diff options
Diffstat (limited to 'drivers/message/fusion/mptbase.c')
| -rw-r--r-- | drivers/message/fusion/mptbase.c | 8528 |
1 files changed, 8528 insertions, 0 deletions
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c new file mode 100644 index 0000000000..4bf669c556 --- /dev/null +++ b/drivers/message/fusion/mptbase.c @@ -0,0 +1,8528 @@ +/* + * linux/drivers/message/fusion/mptbase.c + * This is the Fusion MPT base driver which supports multiple + * (SCSI + LAN) specialized protocol drivers. + * For use with LSI PCI chip/adapter(s) + * running LSI Fusion MPT (Message Passing Technology) firmware. + * + * Copyright (c) 1999-2008 LSI Corporation + * (mailto:DL-MPTFusionLinux@lsi.com) + * + */ +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/* + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; version 2 of the License. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + NO WARRANTY + THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR + CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT + LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, + MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is + solely responsible for determining the appropriateness of using and + distributing the Program and assumes all risks associated with its + exercise of rights under this Agreement, including but not limited to + the risks and costs of program errors, damage to or loss of data, + programs or equipment, and unavailability or interruption of operations. + + DISCLAIMER OF LIABILITY + NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR + TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED + HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/errno.h> +#include <linux/init.h> +#include <linux/seq_file.h> +#include <linux/slab.h> +#include <linux/types.h> +#include <linux/pci.h> +#include <linux/kdev_t.h> +#include <linux/blkdev.h> +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/dma-mapping.h> +#include <linux/kthread.h> +#include <scsi/scsi_host.h> + +#include "mptbase.h" +#include "lsi/mpi_log_fc.h" + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +#define my_NAME "Fusion MPT base driver" +#define my_VERSION MPT_LINUX_VERSION_COMMON +#define MYNAM "mptbase" + +MODULE_AUTHOR(MODULEAUTHOR); +MODULE_DESCRIPTION(my_NAME); +MODULE_LICENSE("GPL"); +MODULE_VERSION(my_VERSION); + +/* + * cmd line parameters + */ + +static int mpt_msi_enable_spi; +module_param(mpt_msi_enable_spi, int, 0); +MODULE_PARM_DESC(mpt_msi_enable_spi, + " Enable MSI Support for SPI controllers (default=0)"); + +static int mpt_msi_enable_fc; +module_param(mpt_msi_enable_fc, int, 0); +MODULE_PARM_DESC(mpt_msi_enable_fc, + " Enable MSI Support for FC controllers (default=0)"); + +static int mpt_msi_enable_sas; +module_param(mpt_msi_enable_sas, int, 0); +MODULE_PARM_DESC(mpt_msi_enable_sas, + " Enable MSI Support for SAS controllers (default=0)"); + +static int mpt_channel_mapping; +module_param(mpt_channel_mapping, int, 0); +MODULE_PARM_DESC(mpt_channel_mapping, " Mapping id's to channels (default=0)"); + +static int mpt_debug_level; +static int mpt_set_debug_level(const char *val, const struct kernel_param *kp); +module_param_call(mpt_debug_level, mpt_set_debug_level, param_get_int, + &mpt_debug_level, 0600); +MODULE_PARM_DESC(mpt_debug_level, + " debug level - refer to mptdebug.h - (default=0)"); + +int mpt_fwfault_debug; +EXPORT_SYMBOL(mpt_fwfault_debug); +module_param(mpt_fwfault_debug, int, 0600); +MODULE_PARM_DESC(mpt_fwfault_debug, + "Enable detection of Firmware fault and halt Firmware on fault - (default=0)"); + +static char MptCallbacksName[MPT_MAX_PROTOCOL_DRIVERS] + [MPT_MAX_CALLBACKNAME_LEN+1]; + +#ifdef MFCNT +static int mfcounter = 0; +#define PRINT_MF_COUNT 20000 +#endif + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/* + * Public data... + */ + +#define WHOINIT_UNKNOWN 0xAA + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/* + * Private data... + */ + /* Adapter link list */ +LIST_HEAD(ioc_list); + /* Callback lookup table */ +static MPT_CALLBACK MptCallbacks[MPT_MAX_PROTOCOL_DRIVERS]; + /* Protocol driver class lookup table */ +static int MptDriverClass[MPT_MAX_PROTOCOL_DRIVERS]; + /* Event handler lookup table */ +static MPT_EVHANDLER MptEvHandlers[MPT_MAX_PROTOCOL_DRIVERS]; + /* Reset handler lookup table */ +static MPT_RESETHANDLER MptResetHandlers[MPT_MAX_PROTOCOL_DRIVERS]; +static struct mpt_pci_driver *MptDeviceDriverHandlers[MPT_MAX_PROTOCOL_DRIVERS]; + +#ifdef CONFIG_PROC_FS +static struct proc_dir_entry *mpt_proc_root_dir; +#endif + +/* + * Driver Callback Index's + */ +static u8 mpt_base_index = MPT_MAX_PROTOCOL_DRIVERS; +static u8 last_drv_idx; + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/* + * Forward protos... + */ +static irqreturn_t mpt_interrupt(int irq, void *bus_id); +static int mptbase_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, + MPT_FRAME_HDR *reply); +static int mpt_handshake_req_reply_wait(MPT_ADAPTER *ioc, int reqBytes, + u32 *req, int replyBytes, u16 *u16reply, int maxwait, + int sleepFlag); +static int mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag); +static void mpt_detect_bound_ports(MPT_ADAPTER *ioc, struct pci_dev *pdev); +static void mpt_adapter_disable(MPT_ADAPTER *ioc); +static void mpt_adapter_dispose(MPT_ADAPTER *ioc); + +static void MptDisplayIocCapabilities(MPT_ADAPTER *ioc); +static int MakeIocReady(MPT_ADAPTER *ioc, int force, int sleepFlag); +static int GetIocFacts(MPT_ADAPTER *ioc, int sleepFlag, int reason); +static int GetPortFacts(MPT_ADAPTER *ioc, int portnum, int sleepFlag); +static int SendIocInit(MPT_ADAPTER *ioc, int sleepFlag); +static int SendPortEnable(MPT_ADAPTER *ioc, int portnum, int sleepFlag); +static int mpt_do_upload(MPT_ADAPTER *ioc, int sleepFlag); +static int mpt_downloadboot(MPT_ADAPTER *ioc, MpiFwHeader_t *pFwHeader, int sleepFlag); +static int mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag); +static int KickStart(MPT_ADAPTER *ioc, int ignore, int sleepFlag); +static int SendIocReset(MPT_ADAPTER *ioc, u8 reset_type, int sleepFlag); +static int PrimeIocFifos(MPT_ADAPTER *ioc); +static int WaitForDoorbellAck(MPT_ADAPTER *ioc, int howlong, int sleepFlag); +static int WaitForDoorbellInt(MPT_ADAPTER *ioc, int howlong, int sleepFlag); +static int WaitForDoorbellReply(MPT_ADAPTER *ioc, int howlong, int sleepFlag); +static int GetLanConfigPages(MPT_ADAPTER *ioc); +static int GetIoUnitPage2(MPT_ADAPTER *ioc); +int mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode); +static int mpt_GetScsiPortSettings(MPT_ADAPTER *ioc, int portnum); +static int mpt_readScsiDevicePageHeaders(MPT_ADAPTER *ioc, int portnum); +static void mpt_read_ioc_pg_1(MPT_ADAPTER *ioc); +static void mpt_read_ioc_pg_4(MPT_ADAPTER *ioc); +static void mpt_get_manufacturing_pg_0(MPT_ADAPTER *ioc); +static int SendEventNotification(MPT_ADAPTER *ioc, u8 EvSwitch, + int sleepFlag); +static int SendEventAck(MPT_ADAPTER *ioc, EventNotificationReply_t *evnp); +static int mpt_host_page_access_control(MPT_ADAPTER *ioc, u8 access_control_value, int sleepFlag); +static int mpt_host_page_alloc(MPT_ADAPTER *ioc, pIOCInit_t ioc_init); + +#ifdef CONFIG_PROC_FS +static int mpt_summary_proc_show(struct seq_file *m, void *v); +static int mpt_version_proc_show(struct seq_file *m, void *v); +static int mpt_iocinfo_proc_show(struct seq_file *m, void *v); +#endif +static void mpt_get_fw_exp_ver(char *buf, MPT_ADAPTER *ioc); + +static int ProcessEventNotification(MPT_ADAPTER *ioc, + EventNotificationReply_t *evReply, int *evHandlers); +static void mpt_iocstatus_info(MPT_ADAPTER *ioc, u32 ioc_status, MPT_FRAME_HDR *mf); +static void mpt_fc_log_info(MPT_ADAPTER *ioc, u32 log_info); +static void mpt_spi_log_info(MPT_ADAPTER *ioc, u32 log_info); +static void mpt_sas_log_info(MPT_ADAPTER *ioc, u32 log_info , u8 cb_idx); +static int mpt_read_ioc_pg_3(MPT_ADAPTER *ioc); +static void mpt_inactive_raid_list_free(MPT_ADAPTER *ioc); + +/* module entry point */ +static int __init fusion_init (void); +static void __exit fusion_exit (void); + +#define CHIPREG_READ32(addr) readl_relaxed(addr) +#define CHIPREG_READ32_dmasync(addr) readl(addr) +#define CHIPREG_WRITE32(addr,val) writel(val, addr) +#define CHIPREG_PIO_WRITE32(addr,val) outl(val, (unsigned long)addr) +#define CHIPREG_PIO_READ32(addr) inl((unsigned long)addr) + +static void +pci_disable_io_access(struct pci_dev *pdev) +{ + u16 command_reg; + + pci_read_config_word(pdev, PCI_COMMAND, &command_reg); + command_reg &= ~1; + pci_write_config_word(pdev, PCI_COMMAND, command_reg); +} + +static void +pci_enable_io_access(struct pci_dev *pdev) +{ + u16 command_reg; + + pci_read_config_word(pdev, PCI_COMMAND, &command_reg); + command_reg |= 1; + pci_write_config_word(pdev, PCI_COMMAND, command_reg); +} + +static int mpt_set_debug_level(const char *val, const struct kernel_param *kp) +{ + int ret = param_set_int(val, kp); + MPT_ADAPTER *ioc; + + if (ret) + return ret; + + list_for_each_entry(ioc, &ioc_list, list) + ioc->debug_level = mpt_debug_level; + return 0; +} + +/** + * mpt_get_cb_idx - obtain cb_idx for registered driver + * @dclass: class driver enum + * + * Returns cb_idx, or zero means it wasn't found + **/ +static u8 +mpt_get_cb_idx(MPT_DRIVER_CLASS dclass) +{ + u8 cb_idx; + + for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) + if (MptDriverClass[cb_idx] == dclass) + return cb_idx; + return 0; +} + +/** + * mpt_is_discovery_complete - determine if discovery has completed + * @ioc: per adatper instance + * + * Returns 1 when discovery completed, else zero. + */ +static int +mpt_is_discovery_complete(MPT_ADAPTER *ioc) +{ + ConfigExtendedPageHeader_t hdr; + CONFIGPARMS cfg; + SasIOUnitPage0_t *buffer; + dma_addr_t dma_handle; + int rc = 0; + + memset(&hdr, 0, sizeof(ConfigExtendedPageHeader_t)); + memset(&cfg, 0, sizeof(CONFIGPARMS)); + hdr.PageVersion = MPI_SASIOUNITPAGE0_PAGEVERSION; + hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; + hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT; + cfg.cfghdr.ehdr = &hdr; + cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; + + if ((mpt_config(ioc, &cfg))) + goto out; + if (!hdr.ExtPageLength) + goto out; + + buffer = dma_alloc_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4, + &dma_handle, GFP_KERNEL); + if (!buffer) + goto out; + + cfg.physAddr = dma_handle; + cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; + + if ((mpt_config(ioc, &cfg))) + goto out_free_consistent; + + if (!(buffer->PhyData[0].PortFlags & + MPI_SAS_IOUNIT0_PORT_FLAGS_DISCOVERY_IN_PROGRESS)) + rc = 1; + + out_free_consistent: + dma_free_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4, buffer, + dma_handle); + out: + return rc; +} + + +/** + * mpt_remove_dead_ioc_func - kthread context to remove dead ioc + * @arg: input argument, used to derive ioc + * + * Return 0 if controller is removed from pci subsystem. + * Return -1 for other case. + */ +static int mpt_remove_dead_ioc_func(void *arg) +{ + MPT_ADAPTER *ioc = (MPT_ADAPTER *)arg; + struct pci_dev *pdev; + + if (!ioc) + return -1; + + pdev = ioc->pcidev; + if (!pdev) + return -1; + + pci_stop_and_remove_bus_device_locked(pdev); + return 0; +} + + + +/** + * mpt_fault_reset_work - work performed on workq after ioc fault + * @work: input argument, used to derive ioc + * +**/ +static void +mpt_fault_reset_work(struct work_struct *work) +{ + MPT_ADAPTER *ioc = + container_of(work, MPT_ADAPTER, fault_reset_work.work); + u32 ioc_raw_state; + int rc; + unsigned long flags; + MPT_SCSI_HOST *hd; + struct task_struct *p; + + if (ioc->ioc_reset_in_progress || !ioc->active) + goto out; + + + ioc_raw_state = mpt_GetIocState(ioc, 0); + if ((ioc_raw_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_MASK) { + printk(MYIOC_s_INFO_FMT "%s: IOC is non-operational !!!!\n", + ioc->name, __func__); + + /* + * Call mptscsih_flush_pending_cmds callback so that we + * flush all pending commands back to OS. + * This call is required to aovid deadlock at block layer. + * Dead IOC will fail to do diag reset,and this call is safe + * since dead ioc will never return any command back from HW. + */ + hd = shost_priv(ioc->sh); + ioc->schedule_dead_ioc_flush_running_cmds(hd); + + /*Remove the Dead Host */ + p = kthread_run(mpt_remove_dead_ioc_func, ioc, + "mpt_dead_ioc_%d", ioc->id); + if (IS_ERR(p)) { + printk(MYIOC_s_ERR_FMT + "%s: Running mpt_dead_ioc thread failed !\n", + ioc->name, __func__); + } else { + printk(MYIOC_s_WARN_FMT + "%s: Running mpt_dead_ioc thread success !\n", + ioc->name, __func__); + } + return; /* don't rearm timer */ + } + + if ((ioc_raw_state & MPI_IOC_STATE_MASK) + == MPI_IOC_STATE_FAULT) { + printk(MYIOC_s_WARN_FMT "IOC is in FAULT state (%04xh)!!!\n", + ioc->name, ioc_raw_state & MPI_DOORBELL_DATA_MASK); + printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n", + ioc->name, __func__); + rc = mpt_HardResetHandler(ioc, CAN_SLEEP); + printk(MYIOC_s_WARN_FMT "%s: HardReset: %s\n", ioc->name, + __func__, (rc == 0) ? "success" : "failed"); + ioc_raw_state = mpt_GetIocState(ioc, 0); + if ((ioc_raw_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_FAULT) + printk(MYIOC_s_WARN_FMT "IOC is in FAULT state after " + "reset (%04xh)\n", ioc->name, ioc_raw_state & + MPI_DOORBELL_DATA_MASK); + } else if (ioc->bus_type == SAS && ioc->sas_discovery_quiesce_io) { + if ((mpt_is_discovery_complete(ioc))) { + devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "clearing " + "discovery_quiesce_io flag\n", ioc->name)); + ioc->sas_discovery_quiesce_io = 0; + } + } + + out: + /* + * Take turns polling alternate controller + */ + if (ioc->alt_ioc) + ioc = ioc->alt_ioc; + + /* rearm the timer */ + spin_lock_irqsave(&ioc->taskmgmt_lock, flags); + if (ioc->reset_work_q) + queue_delayed_work(ioc->reset_work_q, &ioc->fault_reset_work, + msecs_to_jiffies(MPT_POLLING_INTERVAL)); + spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); +} + + +/* + * Process turbo (context) reply... + */ +static void +mpt_turbo_reply(MPT_ADAPTER *ioc, u32 pa) +{ + MPT_FRAME_HDR *mf = NULL; + MPT_FRAME_HDR *mr = NULL; + u16 req_idx = 0; + u8 cb_idx; + + dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Got TURBO reply req_idx=%08x\n", + ioc->name, pa)); + + switch (pa >> MPI_CONTEXT_REPLY_TYPE_SHIFT) { + case MPI_CONTEXT_REPLY_TYPE_SCSI_INIT: + req_idx = pa & 0x0000FFFF; + cb_idx = (pa & 0x00FF0000) >> 16; + mf = MPT_INDEX_2_MFPTR(ioc, req_idx); + break; + case MPI_CONTEXT_REPLY_TYPE_LAN: + cb_idx = mpt_get_cb_idx(MPTLAN_DRIVER); + /* + * Blind set of mf to NULL here was fatal + * after lan_reply says "freeme" + * Fix sort of combined with an optimization here; + * added explicit check for case where lan_reply + * was just returning 1 and doing nothing else. + * For this case skip the callback, but set up + * proper mf value first here:-) + */ + if ((pa & 0x58000000) == 0x58000000) { + req_idx = pa & 0x0000FFFF; + mf = MPT_INDEX_2_MFPTR(ioc, req_idx); + mpt_free_msg_frame(ioc, mf); + mb(); + return; + } + mr = (MPT_FRAME_HDR *) CAST_U32_TO_PTR(pa); + break; + case MPI_CONTEXT_REPLY_TYPE_SCSI_TARGET: + cb_idx = mpt_get_cb_idx(MPTSTM_DRIVER); + mr = (MPT_FRAME_HDR *) CAST_U32_TO_PTR(pa); + break; + default: + cb_idx = 0; + BUG(); + } + + /* Check for (valid) IO callback! */ + if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS || + MptCallbacks[cb_idx] == NULL) { + printk(MYIOC_s_WARN_FMT "%s: Invalid cb_idx (%d)!\n", + __func__, ioc->name, cb_idx); + goto out; + } + + if (MptCallbacks[cb_idx](ioc, mf, mr)) + mpt_free_msg_frame(ioc, mf); + out: + mb(); +} + +static void +mpt_reply(MPT_ADAPTER *ioc, u32 pa) +{ + MPT_FRAME_HDR *mf; + MPT_FRAME_HDR *mr; + u16 req_idx; + u8 cb_idx; + int freeme; + + u32 reply_dma_low; + u16 ioc_stat; + + /* non-TURBO reply! Hmmm, something may be up... + * Newest turbo reply mechanism; get address + * via left shift 1 (get rid of MPI_ADDRESS_REPLY_A_BIT)! + */ + + /* Map DMA address of reply header to cpu address. + * pa is 32 bits - but the dma address may be 32 or 64 bits + * get offset based only only the low addresses + */ + + reply_dma_low = (pa <<= 1); + mr = (MPT_FRAME_HDR *)((u8 *)ioc->reply_frames + + (reply_dma_low - ioc->reply_frames_low_dma)); + + req_idx = le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx); + cb_idx = mr->u.frame.hwhdr.msgctxu.fld.cb_idx; + mf = MPT_INDEX_2_MFPTR(ioc, req_idx); + + dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Got non-TURBO reply=%p req_idx=%x cb_idx=%x Function=%x\n", + ioc->name, mr, req_idx, cb_idx, mr->u.hdr.Function)); + DBG_DUMP_REPLY_FRAME(ioc, (u32 *)mr); + + /* Check/log IOC log info + */ + ioc_stat = le16_to_cpu(mr->u.reply.IOCStatus); + if (ioc_stat & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) { + u32 log_info = le32_to_cpu(mr->u.reply.IOCLogInfo); + if (ioc->bus_type == FC) + mpt_fc_log_info(ioc, log_info); + else if (ioc->bus_type == SPI) + mpt_spi_log_info(ioc, log_info); + else if (ioc->bus_type == SAS) + mpt_sas_log_info(ioc, log_info, cb_idx); + } + + if (ioc_stat & MPI_IOCSTATUS_MASK) + mpt_iocstatus_info(ioc, (u32)ioc_stat, mf); + + /* Check for (valid) IO callback! */ + if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS || + MptCallbacks[cb_idx] == NULL) { + printk(MYIOC_s_WARN_FMT "%s: Invalid cb_idx (%d)!\n", + __func__, ioc->name, cb_idx); + freeme = 0; + goto out; + } + + freeme = MptCallbacks[cb_idx](ioc, mf, mr); + + out: + /* Flush (non-TURBO) reply with a WRITE! */ + CHIPREG_WRITE32(&ioc->chip->ReplyFifo, pa); + + if (freeme) + mpt_free_msg_frame(ioc, mf); + mb(); +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_interrupt - MPT adapter (IOC) specific interrupt handler. + * @irq: irq number (not used) + * @bus_id: bus identifier cookie == pointer to MPT_ADAPTER structure + * + * This routine is registered via the request_irq() kernel API call, + * and handles all interrupts generated from a specific MPT adapter + * (also referred to as a IO Controller or IOC). + * This routine must clear the interrupt from the adapter and does + * so by reading the reply FIFO. Multiple replies may be processed + * per single call to this routine. + * + * This routine handles register-level access of the adapter but + * dispatches (calls) a protocol-specific callback routine to handle + * the protocol-specific details of the MPT request completion. + */ +static irqreturn_t +mpt_interrupt(int irq, void *bus_id) +{ + MPT_ADAPTER *ioc = bus_id; + u32 pa = CHIPREG_READ32_dmasync(&ioc->chip->ReplyFifo); + + if (pa == 0xFFFFFFFF) + return IRQ_NONE; + + /* + * Drain the reply FIFO! + */ + do { + if (pa & MPI_ADDRESS_REPLY_A_BIT) + mpt_reply(ioc, pa); + else + mpt_turbo_reply(ioc, pa); + pa = CHIPREG_READ32_dmasync(&ioc->chip->ReplyFifo); + } while (pa != 0xFFFFFFFF); + + return IRQ_HANDLED; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mptbase_reply - MPT base driver's callback routine + * @ioc: Pointer to MPT_ADAPTER structure + * @req: Pointer to original MPT request frame + * @reply: Pointer to MPT reply frame (NULL if TurboReply) + * + * MPT base driver's callback routine; all base driver + * "internal" request/reply processing is routed here. + * Currently used for EventNotification and EventAck handling. + * + * Returns 1 indicating original alloc'd request frame ptr + * should be freed, or 0 if it shouldn't. + */ +static int +mptbase_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply) +{ + EventNotificationReply_t *pEventReply; + u8 event; + int evHandlers; + int freereq = 1; + + switch (reply->u.hdr.Function) { + case MPI_FUNCTION_EVENT_NOTIFICATION: + pEventReply = (EventNotificationReply_t *)reply; + evHandlers = 0; + ProcessEventNotification(ioc, pEventReply, &evHandlers); + event = le32_to_cpu(pEventReply->Event) & 0xFF; + if (pEventReply->MsgFlags & MPI_MSGFLAGS_CONTINUATION_REPLY) + freereq = 0; + if (event != MPI_EVENT_EVENT_CHANGE) + break; + fallthrough; + case MPI_FUNCTION_CONFIG: + case MPI_FUNCTION_SAS_IO_UNIT_CONTROL: + ioc->mptbase_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD; + ioc->mptbase_cmds.status |= MPT_MGMT_STATUS_RF_VALID; + memcpy(ioc->mptbase_cmds.reply, reply, + min(MPT_DEFAULT_FRAME_SIZE, + 4 * reply->u.reply.MsgLength)); + if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_PENDING) { + ioc->mptbase_cmds.status &= ~MPT_MGMT_STATUS_PENDING; + complete(&ioc->mptbase_cmds.done); + } else + freereq = 0; + if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_FREE_MF) + freereq = 1; + break; + case MPI_FUNCTION_EVENT_ACK: + devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "EventAck reply received\n", ioc->name)); + break; + default: + printk(MYIOC_s_ERR_FMT + "Unexpected msg function (=%02Xh) reply received!\n", + ioc->name, reply->u.hdr.Function); + break; + } + + /* + * Conditionally tell caller to free the original + * EventNotification/EventAck/unexpected request frame! + */ + return freereq; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_register - Register protocol-specific main callback handler. + * @cbfunc: callback function pointer + * @dclass: Protocol driver's class (%MPT_DRIVER_CLASS enum value) + * @func_name: call function's name + * + * This routine is called by a protocol-specific driver (SCSI host, + * LAN, SCSI target) to register its reply callback routine. Each + * protocol-specific driver must do this before it will be able to + * use any IOC resources, such as obtaining request frames. + * + * NOTES: The SCSI protocol driver currently calls this routine thrice + * in order to register separate callbacks; one for "normal" SCSI IO; + * one for MptScsiTaskMgmt requests; one for Scan/DV requests. + * + * Returns u8 valued "handle" in the range (and S.O.D. order) + * {N,...,7,6,5,...,1} if successful. + * A return value of MPT_MAX_PROTOCOL_DRIVERS (including zero!) should be + * considered an error by the caller. + */ +u8 +mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass, char *func_name) +{ + u8 cb_idx; + last_drv_idx = MPT_MAX_PROTOCOL_DRIVERS; + + /* + * Search for empty callback slot in this order: {N,...,7,6,5,...,1} + * (slot/handle 0 is reserved!) + */ + for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) { + if (MptCallbacks[cb_idx] == NULL) { + MptCallbacks[cb_idx] = cbfunc; + MptDriverClass[cb_idx] = dclass; + MptEvHandlers[cb_idx] = NULL; + last_drv_idx = cb_idx; + strscpy(MptCallbacksName[cb_idx], func_name, + MPT_MAX_CALLBACKNAME_LEN+1); + break; + } + } + + return last_drv_idx; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_deregister - Deregister a protocol drivers resources. + * @cb_idx: previously registered callback handle + * + * Each protocol-specific driver should call this routine when its + * module is unloaded. + */ +void +mpt_deregister(u8 cb_idx) +{ + if (cb_idx && (cb_idx < MPT_MAX_PROTOCOL_DRIVERS)) { + MptCallbacks[cb_idx] = NULL; + MptDriverClass[cb_idx] = MPTUNKNOWN_DRIVER; + MptEvHandlers[cb_idx] = NULL; + + last_drv_idx++; + } +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_event_register - Register protocol-specific event callback handler. + * @cb_idx: previously registered (via mpt_register) callback handle + * @ev_cbfunc: callback function + * + * This routine can be called by one or more protocol-specific drivers + * if/when they choose to be notified of MPT events. + * + * Returns 0 for success. + */ +int +mpt_event_register(u8 cb_idx, MPT_EVHANDLER ev_cbfunc) +{ + if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS) + return -1; + + MptEvHandlers[cb_idx] = ev_cbfunc; + return 0; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_event_deregister - Deregister protocol-specific event callback handler + * @cb_idx: previously registered callback handle + * + * Each protocol-specific driver should call this routine + * when it does not (or can no longer) handle events, + * or when its module is unloaded. + */ +void +mpt_event_deregister(u8 cb_idx) +{ + if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS) + return; + + MptEvHandlers[cb_idx] = NULL; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_reset_register - Register protocol-specific IOC reset handler. + * @cb_idx: previously registered (via mpt_register) callback handle + * @reset_func: reset function + * + * This routine can be called by one or more protocol-specific drivers + * if/when they choose to be notified of IOC resets. + * + * Returns 0 for success. + */ +int +mpt_reset_register(u8 cb_idx, MPT_RESETHANDLER reset_func) +{ + if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS) + return -1; + + MptResetHandlers[cb_idx] = reset_func; + return 0; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_reset_deregister - Deregister protocol-specific IOC reset handler. + * @cb_idx: previously registered callback handle + * + * Each protocol-specific driver should call this routine + * when it does not (or can no longer) handle IOC reset handling, + * or when its module is unloaded. + */ +void +mpt_reset_deregister(u8 cb_idx) +{ + if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS) + return; + + MptResetHandlers[cb_idx] = NULL; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_device_driver_register - Register device driver hooks + * @dd_cbfunc: driver callbacks struct + * @cb_idx: MPT protocol driver index + */ +int +mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, u8 cb_idx) +{ + MPT_ADAPTER *ioc; + + if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS) + return -EINVAL; + + MptDeviceDriverHandlers[cb_idx] = dd_cbfunc; + + /* call per pci device probe entry point */ + list_for_each_entry(ioc, &ioc_list, list) { + if (dd_cbfunc->probe) + dd_cbfunc->probe(ioc->pcidev); + } + + return 0; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_device_driver_deregister - DeRegister device driver hooks + * @cb_idx: MPT protocol driver index + */ +void +mpt_device_driver_deregister(u8 cb_idx) +{ + struct mpt_pci_driver *dd_cbfunc; + MPT_ADAPTER *ioc; + + if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS) + return; + + dd_cbfunc = MptDeviceDriverHandlers[cb_idx]; + + list_for_each_entry(ioc, &ioc_list, list) { + if (dd_cbfunc->remove) + dd_cbfunc->remove(ioc->pcidev); + } + + MptDeviceDriverHandlers[cb_idx] = NULL; +} + + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_get_msg_frame - Obtain an MPT request frame from the pool + * @cb_idx: Handle of registered MPT protocol driver + * @ioc: Pointer to MPT adapter structure + * + * Obtain an MPT request frame from the pool (of 1024) that are + * allocated per MPT adapter. + * + * Returns pointer to a MPT request frame or %NULL if none are available + * or IOC is not active. + */ +MPT_FRAME_HDR* +mpt_get_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc) +{ + MPT_FRAME_HDR *mf; + unsigned long flags; + u16 req_idx; /* Request index */ + + /* validate handle and ioc identifier */ + +#ifdef MFCNT + if (!ioc->active) + printk(MYIOC_s_WARN_FMT "IOC Not Active! mpt_get_msg_frame " + "returning NULL!\n", ioc->name); +#endif + + /* If interrupts are not attached, do not return a request frame */ + if (!ioc->active) + return NULL; + + spin_lock_irqsave(&ioc->FreeQlock, flags); + if (!list_empty(&ioc->FreeQ)) { + int req_offset; + + mf = list_entry(ioc->FreeQ.next, MPT_FRAME_HDR, + u.frame.linkage.list); + list_del(&mf->u.frame.linkage.list); + mf->u.frame.linkage.arg1 = 0; + mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx; /* byte */ + req_offset = (u8 *)mf - (u8 *)ioc->req_frames; + /* u16! */ + req_idx = req_offset / ioc->req_sz; + mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(req_idx); + mf->u.frame.hwhdr.msgctxu.fld.rsvd = 0; + /* Default, will be changed if necessary in SG generation */ + ioc->RequestNB[req_idx] = ioc->NB_for_64_byte_frame; +#ifdef MFCNT + ioc->mfcnt++; +#endif + } + else + mf = NULL; + spin_unlock_irqrestore(&ioc->FreeQlock, flags); + +#ifdef MFCNT + if (mf == NULL) + printk(MYIOC_s_WARN_FMT "IOC Active. No free Msg Frames! " + "Count 0x%x Max 0x%x\n", ioc->name, ioc->mfcnt, + ioc->req_depth); + mfcounter++; + if (mfcounter == PRINT_MF_COUNT) + printk(MYIOC_s_INFO_FMT "MF Count 0x%x Max 0x%x \n", ioc->name, + ioc->mfcnt, ioc->req_depth); +#endif + + dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_get_msg_frame(%d,%d), got mf=%p\n", + ioc->name, cb_idx, ioc->id, mf)); + return mf; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_put_msg_frame - Send a protocol-specific MPT request frame to an IOC + * @cb_idx: Handle of registered MPT protocol driver + * @ioc: Pointer to MPT adapter structure + * @mf: Pointer to MPT request frame + * + * This routine posts an MPT request frame to the request post FIFO of a + * specific MPT adapter. + */ +void +mpt_put_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf) +{ + u32 mf_dma_addr; + int req_offset; + u16 req_idx; /* Request index */ + + /* ensure values are reset properly! */ + mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx; /* byte */ + req_offset = (u8 *)mf - (u8 *)ioc->req_frames; + /* u16! */ + req_idx = req_offset / ioc->req_sz; + mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(req_idx); + mf->u.frame.hwhdr.msgctxu.fld.rsvd = 0; + + DBG_DUMP_PUT_MSG_FRAME(ioc, (u32 *)mf); + + mf_dma_addr = (ioc->req_frames_low_dma + req_offset) | ioc->RequestNB[req_idx]; + dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mf_dma_addr=%x req_idx=%d " + "RequestNB=%x\n", ioc->name, mf_dma_addr, req_idx, + ioc->RequestNB[req_idx])); + CHIPREG_WRITE32(&ioc->chip->RequestFifo, mf_dma_addr); +} + +/** + * mpt_put_msg_frame_hi_pri - Send a hi-pri protocol-specific MPT request frame + * @cb_idx: Handle of registered MPT protocol driver + * @ioc: Pointer to MPT adapter structure + * @mf: Pointer to MPT request frame + * + * Send a protocol-specific MPT request frame to an IOC using + * hi-priority request queue. + * + * This routine posts an MPT request frame to the request post FIFO of a + * specific MPT adapter. + **/ +void +mpt_put_msg_frame_hi_pri(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf) +{ + u32 mf_dma_addr; + int req_offset; + u16 req_idx; /* Request index */ + + /* ensure values are reset properly! */ + mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx; + req_offset = (u8 *)mf - (u8 *)ioc->req_frames; + req_idx = req_offset / ioc->req_sz; + mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(req_idx); + mf->u.frame.hwhdr.msgctxu.fld.rsvd = 0; + + DBG_DUMP_PUT_MSG_FRAME(ioc, (u32 *)mf); + + mf_dma_addr = (ioc->req_frames_low_dma + req_offset); + dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mf_dma_addr=%x req_idx=%d\n", + ioc->name, mf_dma_addr, req_idx)); + CHIPREG_WRITE32(&ioc->chip->RequestHiPriFifo, mf_dma_addr); +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_free_msg_frame - Place MPT request frame back on FreeQ. + * @ioc: Pointer to MPT adapter structure + * @mf: Pointer to MPT request frame + * + * This routine places a MPT request frame back on the MPT adapter's + * FreeQ. + */ +void +mpt_free_msg_frame(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf) +{ + unsigned long flags; + + /* Put Request back on FreeQ! */ + spin_lock_irqsave(&ioc->FreeQlock, flags); + if (cpu_to_le32(mf->u.frame.linkage.arg1) == 0xdeadbeaf) + goto out; + /* signature to know if this mf is freed */ + mf->u.frame.linkage.arg1 = cpu_to_le32(0xdeadbeaf); + list_add(&mf->u.frame.linkage.list, &ioc->FreeQ); +#ifdef MFCNT + ioc->mfcnt--; +#endif + out: + spin_unlock_irqrestore(&ioc->FreeQlock, flags); +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_add_sge - Place a simple 32 bit SGE at address pAddr. + * @pAddr: virtual address for SGE + * @flagslength: SGE flags and data transfer length + * @dma_addr: Physical address + * + * This routine places a MPT request frame back on the MPT adapter's + * FreeQ. + */ +static void +mpt_add_sge(void *pAddr, u32 flagslength, dma_addr_t dma_addr) +{ + SGESimple32_t *pSge = (SGESimple32_t *) pAddr; + pSge->FlagsLength = cpu_to_le32(flagslength); + pSge->Address = cpu_to_le32(dma_addr); +} + +/** + * mpt_add_sge_64bit - Place a simple 64 bit SGE at address pAddr. + * @pAddr: virtual address for SGE + * @flagslength: SGE flags and data transfer length + * @dma_addr: Physical address + * + * This routine places a MPT request frame back on the MPT adapter's + * FreeQ. + **/ +static void +mpt_add_sge_64bit(void *pAddr, u32 flagslength, dma_addr_t dma_addr) +{ + SGESimple64_t *pSge = (SGESimple64_t *) pAddr; + pSge->Address.Low = cpu_to_le32 + (lower_32_bits(dma_addr)); + pSge->Address.High = cpu_to_le32 + (upper_32_bits(dma_addr)); + pSge->FlagsLength = cpu_to_le32 + ((flagslength | MPT_SGE_FLAGS_64_BIT_ADDRESSING)); +} + +/** + * mpt_add_sge_64bit_1078 - Place a simple 64 bit SGE at address pAddr (1078 workaround). + * @pAddr: virtual address for SGE + * @flagslength: SGE flags and data transfer length + * @dma_addr: Physical address + * + * This routine places a MPT request frame back on the MPT adapter's + * FreeQ. + **/ +static void +mpt_add_sge_64bit_1078(void *pAddr, u32 flagslength, dma_addr_t dma_addr) +{ + SGESimple64_t *pSge = (SGESimple64_t *) pAddr; + u32 tmp; + + pSge->Address.Low = cpu_to_le32 + (lower_32_bits(dma_addr)); + tmp = (u32)(upper_32_bits(dma_addr)); + + /* + * 1078 errata workaround for the 36GB limitation + */ + if ((((u64)dma_addr + MPI_SGE_LENGTH(flagslength)) >> 32) == 9) { + flagslength |= + MPI_SGE_SET_FLAGS(MPI_SGE_FLAGS_LOCAL_ADDRESS); + tmp |= (1<<31); + if (mpt_debug_level & MPT_DEBUG_36GB_MEM) + printk(KERN_DEBUG "1078 P0M2 addressing for " + "addr = 0x%llx len = %d\n", + (unsigned long long)dma_addr, + MPI_SGE_LENGTH(flagslength)); + } + + pSge->Address.High = cpu_to_le32(tmp); + pSge->FlagsLength = cpu_to_le32( + (flagslength | MPT_SGE_FLAGS_64_BIT_ADDRESSING)); +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_add_chain - Place a 32 bit chain SGE at address pAddr. + * @pAddr: virtual address for SGE + * @next: nextChainOffset value (u32's) + * @length: length of next SGL segment + * @dma_addr: Physical address + * + */ +static void +mpt_add_chain(void *pAddr, u8 next, u16 length, dma_addr_t dma_addr) +{ + SGEChain32_t *pChain = (SGEChain32_t *) pAddr; + + pChain->Length = cpu_to_le16(length); + pChain->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT; + pChain->NextChainOffset = next; + pChain->Address = cpu_to_le32(dma_addr); +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_add_chain_64bit - Place a 64 bit chain SGE at address pAddr. + * @pAddr: virtual address for SGE + * @next: nextChainOffset value (u32's) + * @length: length of next SGL segment + * @dma_addr: Physical address + * + */ +static void +mpt_add_chain_64bit(void *pAddr, u8 next, u16 length, dma_addr_t dma_addr) +{ + SGEChain64_t *pChain = (SGEChain64_t *) pAddr; + u32 tmp = dma_addr & 0xFFFFFFFF; + + pChain->Length = cpu_to_le16(length); + pChain->Flags = (MPI_SGE_FLAGS_CHAIN_ELEMENT | + MPI_SGE_FLAGS_64_BIT_ADDRESSING); + + pChain->NextChainOffset = next; + + pChain->Address.Low = cpu_to_le32(tmp); + tmp = (u32)(upper_32_bits(dma_addr)); + pChain->Address.High = cpu_to_le32(tmp); +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_send_handshake_request - Send MPT request via doorbell handshake method. + * @cb_idx: Handle of registered MPT protocol driver + * @ioc: Pointer to MPT adapter structure + * @reqBytes: Size of the request in bytes + * @req: Pointer to MPT request frame + * @sleepFlag: Use schedule if CAN_SLEEP else use udelay. + * + * This routine is used exclusively to send MptScsiTaskMgmt + * requests since they are required to be sent via doorbell handshake. + * + * NOTE: It is the callers responsibility to byte-swap fields in the + * request which are greater than 1 byte in size. + * + * Returns 0 for success, non-zero for failure. + */ +int +mpt_send_handshake_request(u8 cb_idx, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag) +{ + int r = 0; + u8 *req_as_bytes; + int ii; + + /* State is known to be good upon entering + * this function so issue the bus reset + * request. + */ + + /* + * Emulate what mpt_put_msg_frame() does /wrt to sanity + * setting cb_idx/req_idx. But ONLY if this request + * is in proper (pre-alloc'd) request buffer range... + */ + ii = MFPTR_2_MPT_INDEX(ioc,(MPT_FRAME_HDR*)req); + if (reqBytes >= 12 && ii >= 0 && ii < ioc->req_depth) { + MPT_FRAME_HDR *mf = (MPT_FRAME_HDR*)req; + mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(ii); + mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx; + } + + /* Make sure there are no doorbells */ + CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); + + CHIPREG_WRITE32(&ioc->chip->Doorbell, + ((MPI_FUNCTION_HANDSHAKE<<MPI_DOORBELL_FUNCTION_SHIFT) | + ((reqBytes/4)<<MPI_DOORBELL_ADD_DWORDS_SHIFT))); + + /* Wait for IOC doorbell int */ + if ((ii = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0) { + return ii; + } + + /* Read doorbell and check for active bit */ + if (!(CHIPREG_READ32(&ioc->chip->Doorbell) & MPI_DOORBELL_ACTIVE)) + return -5; + + dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_send_handshake_request start, WaitCnt=%d\n", + ioc->name, ii)); + + CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); + + if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) { + return -2; + } + + /* Send request via doorbell handshake */ + req_as_bytes = (u8 *) req; + for (ii = 0; ii < reqBytes/4; ii++) { + u32 word; + + word = ((req_as_bytes[(ii*4) + 0] << 0) | + (req_as_bytes[(ii*4) + 1] << 8) | + (req_as_bytes[(ii*4) + 2] << 16) | + (req_as_bytes[(ii*4) + 3] << 24)); + CHIPREG_WRITE32(&ioc->chip->Doorbell, word); + if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) { + r = -3; + break; + } + } + + if (r >= 0 && WaitForDoorbellInt(ioc, 10, sleepFlag) >= 0) + r = 0; + else + r = -4; + + /* Make sure there are no doorbells */ + CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); + + return r; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_host_page_access_control - control the IOC's Host Page Buffer access + * @ioc: Pointer to MPT adapter structure + * @access_control_value: define bits below + * @sleepFlag: Specifies whether the process can sleep + * + * Provides mechanism for the host driver to control the IOC's + * Host Page Buffer access. + * + * Access Control Value - bits[15:12] + * 0h Reserved + * 1h Enable Access { MPI_DB_HPBAC_ENABLE_ACCESS } + * 2h Disable Access { MPI_DB_HPBAC_DISABLE_ACCESS } + * 3h Free Buffer { MPI_DB_HPBAC_FREE_BUFFER } + * + * Returns 0 for success, non-zero for failure. + */ + +static int +mpt_host_page_access_control(MPT_ADAPTER *ioc, u8 access_control_value, int sleepFlag) +{ + /* return if in use */ + if (CHIPREG_READ32(&ioc->chip->Doorbell) + & MPI_DOORBELL_ACTIVE) + return -1; + + CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); + + CHIPREG_WRITE32(&ioc->chip->Doorbell, + ((MPI_FUNCTION_HOST_PAGEBUF_ACCESS_CONTROL + <<MPI_DOORBELL_FUNCTION_SHIFT) | + (access_control_value<<12))); + + /* Wait for IOC to clear Doorbell Status bit */ + if (WaitForDoorbellAck(ioc, 5, sleepFlag) < 0) + return -2; + else + return 0; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_host_page_alloc - allocate system memory for the fw + * @ioc: Pointer to pointer to IOC adapter + * @ioc_init: Pointer to ioc init config page + * + * If we already allocated memory in past, then resend the same pointer. + * Returns 0 for success, non-zero for failure. + */ +static int +mpt_host_page_alloc(MPT_ADAPTER *ioc, pIOCInit_t ioc_init) +{ + char *psge; + int flags_length; + u32 host_page_buffer_sz=0; + + if(!ioc->HostPageBuffer) { + + host_page_buffer_sz = + le32_to_cpu(ioc->facts.HostPageBufferSGE.FlagsLength) & 0xFFFFFF; + + if(!host_page_buffer_sz) + return 0; /* fw doesn't need any host buffers */ + + /* spin till we get enough memory */ + while (host_page_buffer_sz > 0) { + ioc->HostPageBuffer = + dma_alloc_coherent(&ioc->pcidev->dev, + host_page_buffer_sz, + &ioc->HostPageBuffer_dma, + GFP_KERNEL); + if (ioc->HostPageBuffer) { + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "host_page_buffer @ %p, dma @ %x, sz=%d bytes\n", + ioc->name, ioc->HostPageBuffer, + (u32)ioc->HostPageBuffer_dma, + host_page_buffer_sz)); + ioc->alloc_total += host_page_buffer_sz; + ioc->HostPageBuffer_sz = host_page_buffer_sz; + break; + } + + host_page_buffer_sz -= (4*1024); + } + } + + if(!ioc->HostPageBuffer) { + printk(MYIOC_s_ERR_FMT + "Failed to alloc memory for host_page_buffer!\n", + ioc->name); + return -999; + } + + psge = (char *)&ioc_init->HostPageBufferSGE; + flags_length = MPI_SGE_FLAGS_SIMPLE_ELEMENT | + MPI_SGE_FLAGS_SYSTEM_ADDRESS | + MPI_SGE_FLAGS_HOST_TO_IOC | + MPI_SGE_FLAGS_END_OF_BUFFER; + flags_length = flags_length << MPI_SGE_FLAGS_SHIFT; + flags_length |= ioc->HostPageBuffer_sz; + ioc->add_sge(psge, flags_length, ioc->HostPageBuffer_dma); + ioc->facts.HostPageBufferSGE = ioc_init->HostPageBufferSGE; + + return 0; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_verify_adapter - Given IOC identifier, set pointer to its adapter structure. + * @iocid: IOC unique identifier (integer) + * @iocpp: Pointer to pointer to IOC adapter + * + * Given a unique IOC identifier, set pointer to the associated MPT + * adapter structure. + * + * Returns iocid and sets iocpp if iocid is found. + * Returns -1 if iocid is not found. + */ +int +mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp) +{ + MPT_ADAPTER *ioc; + + list_for_each_entry(ioc,&ioc_list,list) { + if (ioc->id == iocid) { + *iocpp =ioc; + return iocid; + } + } + + *iocpp = NULL; + return -1; +} + +/** + * mpt_get_product_name - returns product string + * @vendor: pci vendor id + * @device: pci device id + * @revision: pci revision id + * + * Returns product string displayed when driver loads, + * in /proc/mpt/summary and /sysfs/class/scsi_host/host<X>/version_product + * + **/ +static const char* +mpt_get_product_name(u16 vendor, u16 device, u8 revision) +{ + char *product_str = NULL; + + if (vendor == PCI_VENDOR_ID_BROCADE) { + switch (device) + { + case MPI_MANUFACTPAGE_DEVICEID_FC949E: + switch (revision) + { + case 0x00: + product_str = "BRE040 A0"; + break; + case 0x01: + product_str = "BRE040 A1"; + break; + default: + product_str = "BRE040"; + break; + } + break; + } + goto out; + } + + switch (device) + { + case MPI_MANUFACTPAGE_DEVICEID_FC909: + product_str = "LSIFC909 B1"; + break; + case MPI_MANUFACTPAGE_DEVICEID_FC919: + product_str = "LSIFC919 B0"; + break; + case MPI_MANUFACTPAGE_DEVICEID_FC929: + product_str = "LSIFC929 B0"; + break; + case MPI_MANUFACTPAGE_DEVICEID_FC919X: + if (revision < 0x80) + product_str = "LSIFC919X A0"; + else + product_str = "LSIFC919XL A1"; + break; + case MPI_MANUFACTPAGE_DEVICEID_FC929X: + if (revision < 0x80) + product_str = "LSIFC929X A0"; + else + product_str = "LSIFC929XL A1"; + break; + case MPI_MANUFACTPAGE_DEVICEID_FC939X: + product_str = "LSIFC939X A1"; + break; + case MPI_MANUFACTPAGE_DEVICEID_FC949X: + product_str = "LSIFC949X A1"; + break; + case MPI_MANUFACTPAGE_DEVICEID_FC949E: + switch (revision) + { + case 0x00: + product_str = "LSIFC949E A0"; + break; + case 0x01: + product_str = "LSIFC949E A1"; + break; + default: + product_str = "LSIFC949E"; + break; + } + break; + case MPI_MANUFACTPAGE_DEVID_53C1030: + switch (revision) + { + case 0x00: + product_str = "LSI53C1030 A0"; + break; + case 0x01: + product_str = "LSI53C1030 B0"; + break; + case 0x03: + product_str = "LSI53C1030 B1"; + break; + case 0x07: + product_str = "LSI53C1030 B2"; + break; + case 0x08: + product_str = "LSI53C1030 C0"; + break; + case 0x80: + product_str = "LSI53C1030T A0"; + break; + case 0x83: + product_str = "LSI53C1030T A2"; + break; + case 0x87: + product_str = "LSI53C1030T A3"; + break; + case 0xc1: + product_str = "LSI53C1020A A1"; + break; + default: + product_str = "LSI53C1030"; + break; + } + break; + case MPI_MANUFACTPAGE_DEVID_1030_53C1035: + switch (revision) + { + case 0x03: + product_str = "LSI53C1035 A2"; + break; + case 0x04: + product_str = "LSI53C1035 B0"; + break; + default: + product_str = "LSI53C1035"; + break; + } + break; + case MPI_MANUFACTPAGE_DEVID_SAS1064: + switch (revision) + { + case 0x00: + product_str = "LSISAS1064 A1"; + break; + case 0x01: + product_str = "LSISAS1064 A2"; + break; + case 0x02: + product_str = "LSISAS1064 A3"; + break; + case 0x03: + product_str = "LSISAS1064 A4"; + break; + default: + product_str = "LSISAS1064"; + break; + } + break; + case MPI_MANUFACTPAGE_DEVID_SAS1064E: + switch (revision) + { + case 0x00: + product_str = "LSISAS1064E A0"; + break; + case 0x01: + product_str = "LSISAS1064E B0"; + break; + case 0x02: + product_str = "LSISAS1064E B1"; + break; + case 0x04: + product_str = "LSISAS1064E B2"; + break; + case 0x08: + product_str = "LSISAS1064E B3"; + break; + default: + product_str = "LSISAS1064E"; + break; + } + break; + case MPI_MANUFACTPAGE_DEVID_SAS1068: + switch (revision) + { + case 0x00: + product_str = "LSISAS1068 A0"; + break; + case 0x01: + product_str = "LSISAS1068 B0"; + break; + case 0x02: + product_str = "LSISAS1068 B1"; + break; + default: + product_str = "LSISAS1068"; + break; + } + break; + case MPI_MANUFACTPAGE_DEVID_SAS1068E: + switch (revision) + { + case 0x00: + product_str = "LSISAS1068E A0"; + break; + case 0x01: + product_str = "LSISAS1068E B0"; + break; + case 0x02: + product_str = "LSISAS1068E B1"; + break; + case 0x04: + product_str = "LSISAS1068E B2"; + break; + case 0x08: + product_str = "LSISAS1068E B3"; + break; + default: + product_str = "LSISAS1068E"; + break; + } + break; + case MPI_MANUFACTPAGE_DEVID_SAS1078: + switch (revision) + { + case 0x00: + product_str = "LSISAS1078 A0"; + break; + case 0x01: + product_str = "LSISAS1078 B0"; + break; + case 0x02: + product_str = "LSISAS1078 C0"; + break; + case 0x03: + product_str = "LSISAS1078 C1"; + break; + case 0x04: + product_str = "LSISAS1078 C2"; + break; + default: + product_str = "LSISAS1078"; + break; + } + break; + } + + out: + return product_str; +} + +/** + * mpt_mapresources - map in memory mapped io + * @ioc: Pointer to pointer to IOC adapter + * + **/ +static int +mpt_mapresources(MPT_ADAPTER *ioc) +{ + u8 __iomem *mem; + int ii; + resource_size_t mem_phys; + unsigned long port; + u32 msize; + u32 psize; + int r = -ENODEV; + struct pci_dev *pdev; + + pdev = ioc->pcidev; + ioc->bars = pci_select_bars(pdev, IORESOURCE_MEM); + if (pci_enable_device_mem(pdev)) { + printk(MYIOC_s_ERR_FMT "pci_enable_device_mem() " + "failed\n", ioc->name); + return r; + } + if (pci_request_selected_regions(pdev, ioc->bars, "mpt")) { + printk(MYIOC_s_ERR_FMT "pci_request_selected_regions() with " + "MEM failed\n", ioc->name); + goto out_pci_disable_device; + } + + if (sizeof(dma_addr_t) > 4) { + const uint64_t required_mask = dma_get_required_mask + (&pdev->dev); + if (required_mask > DMA_BIT_MASK(32) + && !dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) + && !dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64))) { + ioc->dma_mask = DMA_BIT_MASK(64); + dinitprintk(ioc, printk(MYIOC_s_INFO_FMT + ": 64 BIT PCI BUS DMA ADDRESSING SUPPORTED\n", + ioc->name)); + } else if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) + && !dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32))) { + ioc->dma_mask = DMA_BIT_MASK(32); + dinitprintk(ioc, printk(MYIOC_s_INFO_FMT + ": 32 BIT PCI BUS DMA ADDRESSING SUPPORTED\n", + ioc->name)); + } else { + printk(MYIOC_s_WARN_FMT "no suitable DMA mask for %s\n", + ioc->name, pci_name(pdev)); + goto out_pci_release_region; + } + } else { + if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) + && !dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32))) { + ioc->dma_mask = DMA_BIT_MASK(32); + dinitprintk(ioc, printk(MYIOC_s_INFO_FMT + ": 32 BIT PCI BUS DMA ADDRESSING SUPPORTED\n", + ioc->name)); + } else { + printk(MYIOC_s_WARN_FMT "no suitable DMA mask for %s\n", + ioc->name, pci_name(pdev)); + goto out_pci_release_region; + } + } + + mem_phys = msize = 0; + port = psize = 0; + for (ii = 0; ii < DEVICE_COUNT_RESOURCE; ii++) { + if (pci_resource_flags(pdev, ii) & PCI_BASE_ADDRESS_SPACE_IO) { + if (psize) + continue; + /* Get I/O space! */ + port = pci_resource_start(pdev, ii); + psize = pci_resource_len(pdev, ii); + } else { + if (msize) + continue; + /* Get memmap */ + mem_phys = pci_resource_start(pdev, ii); + msize = pci_resource_len(pdev, ii); + } + } + ioc->mem_size = msize; + + mem = NULL; + /* Get logical ptr for PciMem0 space */ + /*mem = ioremap(mem_phys, msize);*/ + mem = ioremap(mem_phys, msize); + if (mem == NULL) { + printk(MYIOC_s_ERR_FMT ": ERROR - Unable to map adapter" + " memory!\n", ioc->name); + r = -EINVAL; + goto out_pci_release_region; + } + ioc->memmap = mem; + dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "mem = %p, mem_phys = %llx\n", + ioc->name, mem, (unsigned long long)mem_phys)); + + ioc->mem_phys = mem_phys; + ioc->chip = (SYSIF_REGS __iomem *)mem; + + /* Save Port IO values in case we need to do downloadboot */ + ioc->pio_mem_phys = port; + ioc->pio_chip = (SYSIF_REGS __iomem *)port; + + return 0; + +out_pci_release_region: + pci_release_selected_regions(pdev, ioc->bars); +out_pci_disable_device: + pci_disable_device(pdev); + return r; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_attach - Install a PCI intelligent MPT adapter. + * @pdev: Pointer to pci_dev structure + * @id: PCI device ID information + * + * This routine performs all the steps necessary to bring the IOC of + * a MPT adapter to a OPERATIONAL state. This includes registering + * memory regions, registering the interrupt, and allocating request + * and reply memory pools. + * + * This routine also pre-fetches the LAN MAC address of a Fibre Channel + * MPT adapter. + * + * Returns 0 for success, non-zero for failure. + * + * TODO: Add support for polled controllers + */ +int +mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id) +{ + MPT_ADAPTER *ioc; + u8 cb_idx; + int r = -ENODEV; + u8 pcixcmd; + static int mpt_ids = 0; +#ifdef CONFIG_PROC_FS + struct proc_dir_entry *dent; +#endif + + ioc = kzalloc(sizeof(MPT_ADAPTER), GFP_KERNEL); + if (ioc == NULL) { + printk(KERN_ERR MYNAM ": ERROR - Insufficient memory to add adapter!\n"); + return -ENOMEM; + } + + ioc->id = mpt_ids++; + sprintf(ioc->name, "ioc%d", ioc->id); + dinitprintk(ioc, printk(KERN_WARNING MYNAM ": mpt_adapter_install\n")); + + /* + * set initial debug level + * (refer to mptdebug.h) + * + */ + ioc->debug_level = mpt_debug_level; + if (mpt_debug_level) + printk(KERN_INFO "mpt_debug_level=%xh\n", mpt_debug_level); + + dinitprintk(ioc, printk(MYIOC_s_INFO_FMT ": mpt_adapter_install\n", ioc->name)); + + ioc->pcidev = pdev; + if (mpt_mapresources(ioc)) { + goto out_free_ioc; + } + + /* + * Setting up proper handlers for scatter gather handling + */ + if (ioc->dma_mask == DMA_BIT_MASK(64)) { + if (pdev->device == MPI_MANUFACTPAGE_DEVID_SAS1078) + ioc->add_sge = &mpt_add_sge_64bit_1078; + else + ioc->add_sge = &mpt_add_sge_64bit; + ioc->add_chain = &mpt_add_chain_64bit; + ioc->sg_addr_size = 8; + } else { + ioc->add_sge = &mpt_add_sge; + ioc->add_chain = &mpt_add_chain; + ioc->sg_addr_size = 4; + } + ioc->SGE_size = sizeof(u32) + ioc->sg_addr_size; + + ioc->alloc_total = sizeof(MPT_ADAPTER); + ioc->req_sz = MPT_DEFAULT_FRAME_SIZE; /* avoid div by zero! */ + ioc->reply_sz = MPT_REPLY_FRAME_SIZE; + + + spin_lock_init(&ioc->taskmgmt_lock); + mutex_init(&ioc->internal_cmds.mutex); + init_completion(&ioc->internal_cmds.done); + mutex_init(&ioc->mptbase_cmds.mutex); + init_completion(&ioc->mptbase_cmds.done); + mutex_init(&ioc->taskmgmt_cmds.mutex); + init_completion(&ioc->taskmgmt_cmds.done); + + /* Initialize the event logging. + */ + ioc->eventTypes = 0; /* None */ + ioc->eventContext = 0; + ioc->eventLogSize = 0; + ioc->events = NULL; + +#ifdef MFCNT + ioc->mfcnt = 0; +#endif + + ioc->sh = NULL; + ioc->cached_fw = NULL; + + /* Initialize SCSI Config Data structure + */ + memset(&ioc->spi_data, 0, sizeof(SpiCfgData)); + + /* Initialize the fc rport list head. + */ + INIT_LIST_HEAD(&ioc->fc_rports); + + /* Find lookup slot. */ + INIT_LIST_HEAD(&ioc->list); + + + /* Initialize workqueue */ + INIT_DELAYED_WORK(&ioc->fault_reset_work, mpt_fault_reset_work); + + snprintf(ioc->reset_work_q_name, MPT_KOBJ_NAME_LEN, + "mpt_poll_%d", ioc->id); + ioc->reset_work_q = alloc_workqueue(ioc->reset_work_q_name, + WQ_MEM_RECLAIM, 0); + if (!ioc->reset_work_q) { + printk(MYIOC_s_ERR_FMT "Insufficient memory to add adapter!\n", + ioc->name); + r = -ENOMEM; + goto out_unmap_resources; + } + + dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "facts @ %p, pfacts[0] @ %p\n", + ioc->name, &ioc->facts, &ioc->pfacts[0])); + + ioc->prod_name = mpt_get_product_name(pdev->vendor, pdev->device, + pdev->revision); + + switch (pdev->device) + { + case MPI_MANUFACTPAGE_DEVICEID_FC939X: + case MPI_MANUFACTPAGE_DEVICEID_FC949X: + ioc->errata_flag_1064 = 1; + fallthrough; + case MPI_MANUFACTPAGE_DEVICEID_FC909: + case MPI_MANUFACTPAGE_DEVICEID_FC929: + case MPI_MANUFACTPAGE_DEVICEID_FC919: + case MPI_MANUFACTPAGE_DEVICEID_FC949E: + ioc->bus_type = FC; + break; + + case MPI_MANUFACTPAGE_DEVICEID_FC929X: + if (pdev->revision < XL_929) { + /* 929X Chip Fix. Set Split transactions level + * for PCIX. Set MOST bits to zero. + */ + pci_read_config_byte(pdev, 0x6a, &pcixcmd); + pcixcmd &= 0x8F; + pci_write_config_byte(pdev, 0x6a, pcixcmd); + } else { + /* 929XL Chip Fix. Set MMRBC to 0x08. + */ + pci_read_config_byte(pdev, 0x6a, &pcixcmd); + pcixcmd |= 0x08; + pci_write_config_byte(pdev, 0x6a, pcixcmd); + } + ioc->bus_type = FC; + break; + + case MPI_MANUFACTPAGE_DEVICEID_FC919X: + /* 919X Chip Fix. Set Split transactions level + * for PCIX. Set MOST bits to zero. + */ + pci_read_config_byte(pdev, 0x6a, &pcixcmd); + pcixcmd &= 0x8F; + pci_write_config_byte(pdev, 0x6a, pcixcmd); + ioc->bus_type = FC; + break; + + case MPI_MANUFACTPAGE_DEVID_53C1030: + /* 1030 Chip Fix. Disable Split transactions + * for PCIX. Set MOST bits to zero if Rev < C0( = 8). + */ + if (pdev->revision < C0_1030) { + pci_read_config_byte(pdev, 0x6a, &pcixcmd); + pcixcmd &= 0x8F; + pci_write_config_byte(pdev, 0x6a, pcixcmd); + } + fallthrough; + + case MPI_MANUFACTPAGE_DEVID_1030_53C1035: + ioc->bus_type = SPI; + break; + + case MPI_MANUFACTPAGE_DEVID_SAS1064: + case MPI_MANUFACTPAGE_DEVID_SAS1068: + ioc->errata_flag_1064 = 1; + ioc->bus_type = SAS; + break; + + case MPI_MANUFACTPAGE_DEVID_SAS1064E: + case MPI_MANUFACTPAGE_DEVID_SAS1068E: + case MPI_MANUFACTPAGE_DEVID_SAS1078: + ioc->bus_type = SAS; + break; + } + + + switch (ioc->bus_type) { + + case SAS: + ioc->msi_enable = mpt_msi_enable_sas; + break; + + case SPI: + ioc->msi_enable = mpt_msi_enable_spi; + break; + + case FC: + ioc->msi_enable = mpt_msi_enable_fc; + break; + + default: + ioc->msi_enable = 0; + break; + } + + ioc->fw_events_off = 1; + + if (ioc->errata_flag_1064) + pci_disable_io_access(pdev); + + spin_lock_init(&ioc->FreeQlock); + + /* Disable all! */ + CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF); + ioc->active = 0; + CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); + + /* Set IOC ptr in the pcidev's driver data. */ + pci_set_drvdata(ioc->pcidev, ioc); + + /* Set lookup ptr. */ + list_add_tail(&ioc->list, &ioc_list); + + /* Check for "bound ports" (929, 929X, 1030, 1035) to reduce redundant resets. + */ + mpt_detect_bound_ports(ioc, pdev); + + INIT_LIST_HEAD(&ioc->fw_event_list); + spin_lock_init(&ioc->fw_event_lock); + snprintf(ioc->fw_event_q_name, MPT_KOBJ_NAME_LEN, "mpt/%d", ioc->id); + ioc->fw_event_q = alloc_workqueue(ioc->fw_event_q_name, + WQ_MEM_RECLAIM, 0); + if (!ioc->fw_event_q) { + printk(MYIOC_s_ERR_FMT "Insufficient memory to add adapter!\n", + ioc->name); + r = -ENOMEM; + goto out_remove_ioc; + } + + if ((r = mpt_do_ioc_recovery(ioc, MPT_HOSTEVENT_IOC_BRINGUP, + CAN_SLEEP)) != 0){ + printk(MYIOC_s_ERR_FMT "didn't initialize properly! (%d)\n", + ioc->name, r); + + destroy_workqueue(ioc->fw_event_q); + ioc->fw_event_q = NULL; + + list_del(&ioc->list); + if (ioc->alt_ioc) + ioc->alt_ioc->alt_ioc = NULL; + iounmap(ioc->memmap); + if (pci_is_enabled(pdev)) + pci_disable_device(pdev); + if (r != -5) + pci_release_selected_regions(pdev, ioc->bars); + + destroy_workqueue(ioc->reset_work_q); + ioc->reset_work_q = NULL; + + kfree(ioc); + return r; + } + + /* call per device driver probe entry point */ + for(cb_idx = 0; cb_idx < MPT_MAX_PROTOCOL_DRIVERS; cb_idx++) { + if(MptDeviceDriverHandlers[cb_idx] && + MptDeviceDriverHandlers[cb_idx]->probe) { + MptDeviceDriverHandlers[cb_idx]->probe(pdev); + } + } + +#ifdef CONFIG_PROC_FS + /* + * Create "/proc/mpt/iocN" subdirectory entry for each MPT adapter. + */ + dent = proc_mkdir(ioc->name, mpt_proc_root_dir); + if (dent) { + proc_create_single_data("info", S_IRUGO, dent, + mpt_iocinfo_proc_show, ioc); + proc_create_single_data("summary", S_IRUGO, dent, + mpt_summary_proc_show, ioc); + } +#endif + + if (!ioc->alt_ioc) + queue_delayed_work(ioc->reset_work_q, &ioc->fault_reset_work, + msecs_to_jiffies(MPT_POLLING_INTERVAL)); + + return 0; + +out_remove_ioc: + list_del(&ioc->list); + if (ioc->alt_ioc) + ioc->alt_ioc->alt_ioc = NULL; + + destroy_workqueue(ioc->reset_work_q); + ioc->reset_work_q = NULL; + +out_unmap_resources: + iounmap(ioc->memmap); + pci_disable_device(pdev); + pci_release_selected_regions(pdev, ioc->bars); + +out_free_ioc: + kfree(ioc); + + return r; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_detach - Remove a PCI intelligent MPT adapter. + * @pdev: Pointer to pci_dev structure + */ + +void +mpt_detach(struct pci_dev *pdev) +{ + MPT_ADAPTER *ioc = pci_get_drvdata(pdev); + char pname[64]; + u8 cb_idx; + unsigned long flags; + struct workqueue_struct *wq; + + /* + * Stop polling ioc for fault condition + */ + spin_lock_irqsave(&ioc->taskmgmt_lock, flags); + wq = ioc->reset_work_q; + ioc->reset_work_q = NULL; + spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); + cancel_delayed_work(&ioc->fault_reset_work); + destroy_workqueue(wq); + + spin_lock_irqsave(&ioc->fw_event_lock, flags); + wq = ioc->fw_event_q; + ioc->fw_event_q = NULL; + spin_unlock_irqrestore(&ioc->fw_event_lock, flags); + destroy_workqueue(wq); + + snprintf(pname, sizeof(pname), MPT_PROCFS_MPTBASEDIR "/%s/summary", ioc->name); + remove_proc_entry(pname, NULL); + snprintf(pname, sizeof(pname), MPT_PROCFS_MPTBASEDIR "/%s/info", ioc->name); + remove_proc_entry(pname, NULL); + snprintf(pname, sizeof(pname), MPT_PROCFS_MPTBASEDIR "/%s", ioc->name); + remove_proc_entry(pname, NULL); + + /* call per device driver remove entry point */ + for(cb_idx = 0; cb_idx < MPT_MAX_PROTOCOL_DRIVERS; cb_idx++) { + if(MptDeviceDriverHandlers[cb_idx] && + MptDeviceDriverHandlers[cb_idx]->remove) { + MptDeviceDriverHandlers[cb_idx]->remove(pdev); + } + } + + /* Disable interrupts! */ + CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF); + + ioc->active = 0; + synchronize_irq(pdev->irq); + + /* Clear any lingering interrupt */ + CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); + + CHIPREG_READ32(&ioc->chip->IntStatus); + + mpt_adapter_dispose(ioc); + +} + +/************************************************************************** + * Power Management + */ +#ifdef CONFIG_PM +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_suspend - Fusion MPT base driver suspend routine. + * @pdev: Pointer to pci_dev structure + * @state: new state to enter + */ +int +mpt_suspend(struct pci_dev *pdev, pm_message_t state) +{ + u32 device_state; + MPT_ADAPTER *ioc = pci_get_drvdata(pdev); + + device_state = pci_choose_state(pdev, state); + printk(MYIOC_s_INFO_FMT "pci-suspend: pdev=0x%p, slot=%s, Entering " + "operating state [D%d]\n", ioc->name, pdev, pci_name(pdev), + device_state); + + /* put ioc into READY_STATE */ + if (SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, CAN_SLEEP)) { + printk(MYIOC_s_ERR_FMT + "pci-suspend: IOC msg unit reset failed!\n", ioc->name); + } + + /* disable interrupts */ + CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF); + ioc->active = 0; + + /* Clear any lingering interrupt */ + CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); + + free_irq(ioc->pci_irq, ioc); + if (ioc->msi_enable) + pci_disable_msi(ioc->pcidev); + ioc->pci_irq = -1; + pci_save_state(pdev); + pci_disable_device(pdev); + pci_release_selected_regions(pdev, ioc->bars); + pci_set_power_state(pdev, device_state); + return 0; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_resume - Fusion MPT base driver resume routine. + * @pdev: Pointer to pci_dev structure + */ +int +mpt_resume(struct pci_dev *pdev) +{ + MPT_ADAPTER *ioc = pci_get_drvdata(pdev); + u32 device_state = pdev->current_state; + int recovery_state; + int err; + + printk(MYIOC_s_INFO_FMT "pci-resume: pdev=0x%p, slot=%s, Previous " + "operating state [D%d]\n", ioc->name, pdev, pci_name(pdev), + device_state); + + pci_set_power_state(pdev, PCI_D0); + pci_enable_wake(pdev, PCI_D0, 0); + pci_restore_state(pdev); + ioc->pcidev = pdev; + err = mpt_mapresources(ioc); + if (err) + return err; + + if (ioc->dma_mask == DMA_BIT_MASK(64)) { + if (pdev->device == MPI_MANUFACTPAGE_DEVID_SAS1078) + ioc->add_sge = &mpt_add_sge_64bit_1078; + else + ioc->add_sge = &mpt_add_sge_64bit; + ioc->add_chain = &mpt_add_chain_64bit; + ioc->sg_addr_size = 8; + } else { + + ioc->add_sge = &mpt_add_sge; + ioc->add_chain = &mpt_add_chain; + ioc->sg_addr_size = 4; + } + ioc->SGE_size = sizeof(u32) + ioc->sg_addr_size; + + printk(MYIOC_s_INFO_FMT "pci-resume: ioc-state=0x%x,doorbell=0x%x\n", + ioc->name, (mpt_GetIocState(ioc, 1) >> MPI_IOC_STATE_SHIFT), + CHIPREG_READ32(&ioc->chip->Doorbell)); + + /* + * Errata workaround for SAS pci express: + * Upon returning to the D0 state, the contents of the doorbell will be + * stale data, and this will incorrectly signal to the host driver that + * the firmware is ready to process mpt commands. The workaround is + * to issue a diagnostic reset. + */ + if (ioc->bus_type == SAS && (pdev->device == + MPI_MANUFACTPAGE_DEVID_SAS1068E || pdev->device == + MPI_MANUFACTPAGE_DEVID_SAS1064E)) { + if (KickStart(ioc, 1, CAN_SLEEP) < 0) { + printk(MYIOC_s_WARN_FMT "pci-resume: Cannot recover\n", + ioc->name); + goto out; + } + } + + /* bring ioc to operational state */ + printk(MYIOC_s_INFO_FMT "Sending mpt_do_ioc_recovery\n", ioc->name); + recovery_state = mpt_do_ioc_recovery(ioc, MPT_HOSTEVENT_IOC_BRINGUP, + CAN_SLEEP); + if (recovery_state != 0) + printk(MYIOC_s_WARN_FMT "pci-resume: Cannot recover, " + "error:[%x]\n", ioc->name, recovery_state); + else + printk(MYIOC_s_INFO_FMT + "pci-resume: success\n", ioc->name); + out: + return 0; + +} +#endif + +static int +mpt_signal_reset(u8 index, MPT_ADAPTER *ioc, int reset_phase) +{ + if ((MptDriverClass[index] == MPTSPI_DRIVER && + ioc->bus_type != SPI) || + (MptDriverClass[index] == MPTFC_DRIVER && + ioc->bus_type != FC) || + (MptDriverClass[index] == MPTSAS_DRIVER && + ioc->bus_type != SAS)) + /* make sure we only call the relevant reset handler + * for the bus */ + return 0; + return (MptResetHandlers[index])(ioc, reset_phase); +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_do_ioc_recovery - Initialize or recover MPT adapter. + * @ioc: Pointer to MPT adapter structure + * @reason: Event word / reason + * @sleepFlag: Use schedule if CAN_SLEEP else use udelay. + * + * This routine performs all the steps necessary to bring the IOC + * to a OPERATIONAL state. + * + * This routine also pre-fetches the LAN MAC address of a Fibre Channel + * MPT adapter. + * + * Returns: + * 0 for success + * -1 if failed to get board READY + * -2 if READY but IOCFacts Failed + * -3 if READY but PrimeIOCFifos Failed + * -4 if READY but IOCInit Failed + * -5 if failed to enable_device and/or request_selected_regions + * -6 if failed to upload firmware + */ +static int +mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag) +{ + int hard_reset_done = 0; + int alt_ioc_ready = 0; + int hard; + int rc=0; + int ii; + int ret = 0; + int reset_alt_ioc_active = 0; + int irq_allocated = 0; + u8 *a; + + printk(MYIOC_s_INFO_FMT "Initiating %s\n", ioc->name, + reason == MPT_HOSTEVENT_IOC_BRINGUP ? "bringup" : "recovery"); + + /* Disable reply interrupts (also blocks FreeQ) */ + CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF); + ioc->active = 0; + + if (ioc->alt_ioc) { + if (ioc->alt_ioc->active || + reason == MPT_HOSTEVENT_IOC_RECOVER) { + reset_alt_ioc_active = 1; + /* Disable alt-IOC's reply interrupts + * (and FreeQ) for a bit + **/ + CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask, + 0xFFFFFFFF); + ioc->alt_ioc->active = 0; + } + } + + hard = 1; + if (reason == MPT_HOSTEVENT_IOC_BRINGUP) + hard = 0; + + if ((hard_reset_done = MakeIocReady(ioc, hard, sleepFlag)) < 0) { + if (hard_reset_done == -4) { + printk(MYIOC_s_WARN_FMT "Owned by PEER..skipping!\n", + ioc->name); + + if (reset_alt_ioc_active && ioc->alt_ioc) { + /* (re)Enable alt-IOC! (reply interrupt, FreeQ) */ + dprintk(ioc, printk(MYIOC_s_INFO_FMT + "alt_ioc reply irq re-enabled\n", ioc->alt_ioc->name)); + CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask, MPI_HIM_DIM); + ioc->alt_ioc->active = 1; + } + + } else { + printk(MYIOC_s_WARN_FMT + "NOT READY WARNING!\n", ioc->name); + } + ret = -1; + goto out; + } + + /* hard_reset_done = 0 if a soft reset was performed + * and 1 if a hard reset was performed. + */ + if (hard_reset_done && reset_alt_ioc_active && ioc->alt_ioc) { + if ((rc = MakeIocReady(ioc->alt_ioc, 0, sleepFlag)) == 0) + alt_ioc_ready = 1; + else + printk(MYIOC_s_WARN_FMT + ": alt-ioc Not ready WARNING!\n", + ioc->alt_ioc->name); + } + + for (ii=0; ii<5; ii++) { + /* Get IOC facts! Allow 5 retries */ + if ((rc = GetIocFacts(ioc, sleepFlag, reason)) == 0) + break; + } + + + if (ii == 5) { + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "Retry IocFacts failed rc=%x\n", ioc->name, rc)); + ret = -2; + } else if (reason == MPT_HOSTEVENT_IOC_BRINGUP) { + MptDisplayIocCapabilities(ioc); + } + + if (alt_ioc_ready) { + if ((rc = GetIocFacts(ioc->alt_ioc, sleepFlag, reason)) != 0) { + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "Initial Alt IocFacts failed rc=%x\n", + ioc->name, rc)); + /* Retry - alt IOC was initialized once + */ + rc = GetIocFacts(ioc->alt_ioc, sleepFlag, reason); + } + if (rc) { + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "Retry Alt IocFacts failed rc=%x\n", ioc->name, rc)); + alt_ioc_ready = 0; + reset_alt_ioc_active = 0; + } else if (reason == MPT_HOSTEVENT_IOC_BRINGUP) { + MptDisplayIocCapabilities(ioc->alt_ioc); + } + } + + if ((ret == 0) && (reason == MPT_HOSTEVENT_IOC_BRINGUP) && + (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT)) { + pci_release_selected_regions(ioc->pcidev, ioc->bars); + ioc->bars = pci_select_bars(ioc->pcidev, IORESOURCE_MEM | + IORESOURCE_IO); + if (pci_enable_device(ioc->pcidev)) + return -5; + if (pci_request_selected_regions(ioc->pcidev, ioc->bars, + "mpt")) + return -5; + } + + /* + * Device is reset now. It must have de-asserted the interrupt line + * (if it was asserted) and it should be safe to register for the + * interrupt now. + */ + if ((ret == 0) && (reason == MPT_HOSTEVENT_IOC_BRINGUP)) { + ioc->pci_irq = -1; + if (ioc->pcidev->irq) { + if (ioc->msi_enable && !pci_enable_msi(ioc->pcidev)) + printk(MYIOC_s_INFO_FMT "PCI-MSI enabled\n", + ioc->name); + else + ioc->msi_enable = 0; + rc = request_irq(ioc->pcidev->irq, mpt_interrupt, + IRQF_SHARED, ioc->name, ioc); + if (rc < 0) { + printk(MYIOC_s_ERR_FMT "Unable to allocate " + "interrupt %d!\n", + ioc->name, ioc->pcidev->irq); + if (ioc->msi_enable) + pci_disable_msi(ioc->pcidev); + ret = -EBUSY; + goto out; + } + irq_allocated = 1; + ioc->pci_irq = ioc->pcidev->irq; + pci_set_master(ioc->pcidev); /* ?? */ + pci_set_drvdata(ioc->pcidev, ioc); + dinitprintk(ioc, printk(MYIOC_s_INFO_FMT + "installed at interrupt %d\n", ioc->name, + ioc->pcidev->irq)); + } + } + + /* Prime reply & request queues! + * (mucho alloc's) Must be done prior to + * init as upper addresses are needed for init. + * If fails, continue with alt-ioc processing + */ + dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "PrimeIocFifos\n", + ioc->name)); + if ((ret == 0) && ((rc = PrimeIocFifos(ioc)) != 0)) + ret = -3; + + /* May need to check/upload firmware & data here! + * If fails, continue with alt-ioc processing + */ + dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "SendIocInit\n", + ioc->name)); + if ((ret == 0) && ((rc = SendIocInit(ioc, sleepFlag)) != 0)) + ret = -4; +// NEW! + if (alt_ioc_ready && ((rc = PrimeIocFifos(ioc->alt_ioc)) != 0)) { + printk(MYIOC_s_WARN_FMT + ": alt-ioc (%d) FIFO mgmt alloc WARNING!\n", + ioc->alt_ioc->name, rc); + alt_ioc_ready = 0; + reset_alt_ioc_active = 0; + } + + if (alt_ioc_ready) { + if ((rc = SendIocInit(ioc->alt_ioc, sleepFlag)) != 0) { + alt_ioc_ready = 0; + reset_alt_ioc_active = 0; + printk(MYIOC_s_WARN_FMT + ": alt-ioc: (%d) init failure WARNING!\n", + ioc->alt_ioc->name, rc); + } + } + + if (reason == MPT_HOSTEVENT_IOC_BRINGUP){ + if (ioc->upload_fw) { + ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "firmware upload required!\n", ioc->name)); + + /* Controller is not operational, cannot do upload + */ + if (ret == 0) { + rc = mpt_do_upload(ioc, sleepFlag); + if (rc == 0) { + if (ioc->alt_ioc && ioc->alt_ioc->cached_fw) { + /* + * Maintain only one pointer to FW memory + * so there will not be two attempt to + * downloadboot onboard dual function + * chips (mpt_adapter_disable, + * mpt_diag_reset) + */ + ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "mpt_upload: alt_%s has cached_fw=%p \n", + ioc->name, ioc->alt_ioc->name, ioc->alt_ioc->cached_fw)); + ioc->cached_fw = NULL; + } + } else { + printk(MYIOC_s_WARN_FMT + "firmware upload failure!\n", ioc->name); + ret = -6; + } + } + } + } + + /* Enable MPT base driver management of EventNotification + * and EventAck handling. + */ + if ((ret == 0) && (!ioc->facts.EventState)) { + dinitprintk(ioc, printk(MYIOC_s_INFO_FMT + "SendEventNotification\n", + ioc->name)); + ret = SendEventNotification(ioc, 1, sleepFlag); /* 1=Enable */ + } + + if (ioc->alt_ioc && alt_ioc_ready && !ioc->alt_ioc->facts.EventState) + rc = SendEventNotification(ioc->alt_ioc, 1, sleepFlag); + + if (ret == 0) { + /* Enable! (reply interrupt) */ + CHIPREG_WRITE32(&ioc->chip->IntMask, MPI_HIM_DIM); + ioc->active = 1; + } + if (rc == 0) { /* alt ioc */ + if (reset_alt_ioc_active && ioc->alt_ioc) { + /* (re)Enable alt-IOC! (reply interrupt) */ + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "alt-ioc" + "reply irq re-enabled\n", + ioc->alt_ioc->name)); + CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask, + MPI_HIM_DIM); + ioc->alt_ioc->active = 1; + } + } + + + /* Add additional "reason" check before call to GetLanConfigPages + * (combined with GetIoUnitPage2 call). This prevents a somewhat + * recursive scenario; GetLanConfigPages times out, timer expired + * routine calls HardResetHandler, which calls into here again, + * and we try GetLanConfigPages again... + */ + if ((ret == 0) && (reason == MPT_HOSTEVENT_IOC_BRINGUP)) { + + /* + * Initialize link list for inactive raid volumes. + */ + mutex_init(&ioc->raid_data.inactive_list_mutex); + INIT_LIST_HEAD(&ioc->raid_data.inactive_list); + + switch (ioc->bus_type) { + + case SAS: + /* clear persistency table */ + if(ioc->facts.IOCExceptions & + MPI_IOCFACTS_EXCEPT_PERSISTENT_TABLE_FULL) { + ret = mptbase_sas_persist_operation(ioc, + MPI_SAS_OP_CLEAR_NOT_PRESENT); + if(ret != 0) + goto out; + } + + /* Find IM volumes + */ + mpt_findImVolumes(ioc); + + /* Check, and possibly reset, the coalescing value + */ + mpt_read_ioc_pg_1(ioc); + + break; + + case FC: + if ((ioc->pfacts[0].ProtocolFlags & + MPI_PORTFACTS_PROTOCOL_LAN) && + (ioc->lan_cnfg_page0.Header.PageLength == 0)) { + /* + * Pre-fetch the ports LAN MAC address! + * (LANPage1_t stuff) + */ + (void) GetLanConfigPages(ioc); + a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow; + dprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "LanAddr = %pMR\n", ioc->name, a)); + } + break; + + case SPI: + /* Get NVRAM and adapter maximums from SPP 0 and 2 + */ + mpt_GetScsiPortSettings(ioc, 0); + + /* Get version and length of SDP 1 + */ + mpt_readScsiDevicePageHeaders(ioc, 0); + + /* Find IM volumes + */ + if (ioc->facts.MsgVersion >= MPI_VERSION_01_02) + mpt_findImVolumes(ioc); + + /* Check, and possibly reset, the coalescing value + */ + mpt_read_ioc_pg_1(ioc); + + mpt_read_ioc_pg_4(ioc); + + break; + } + + GetIoUnitPage2(ioc); + mpt_get_manufacturing_pg_0(ioc); + } + + out: + if ((ret != 0) && irq_allocated) { + free_irq(ioc->pci_irq, ioc); + if (ioc->msi_enable) + pci_disable_msi(ioc->pcidev); + } + return ret; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_detect_bound_ports - Search for matching PCI bus/dev_function + * @ioc: Pointer to MPT adapter structure + * @pdev: Pointer to (struct pci_dev) structure + * + * Search for PCI bus/dev_function which matches + * PCI bus/dev_function (+/-1) for newly discovered 929, + * 929X, 1030 or 1035. + * + * If match on PCI dev_function +/-1 is found, bind the two MPT adapters + * using alt_ioc pointer fields in their %MPT_ADAPTER structures. + */ +static void +mpt_detect_bound_ports(MPT_ADAPTER *ioc, struct pci_dev *pdev) +{ + struct pci_dev *peer=NULL; + unsigned int slot = PCI_SLOT(pdev->devfn); + unsigned int func = PCI_FUNC(pdev->devfn); + MPT_ADAPTER *ioc_srch; + + dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "PCI device %s devfn=%x/%x," + " searching for devfn match on %x or %x\n", + ioc->name, pci_name(pdev), pdev->bus->number, + pdev->devfn, func-1, func+1)); + + peer = pci_get_slot(pdev->bus, PCI_DEVFN(slot,func-1)); + if (!peer) { + peer = pci_get_slot(pdev->bus, PCI_DEVFN(slot,func+1)); + if (!peer) + return; + } + + list_for_each_entry(ioc_srch, &ioc_list, list) { + struct pci_dev *_pcidev = ioc_srch->pcidev; + if (_pcidev == peer) { + /* Paranoia checks */ + if (ioc->alt_ioc != NULL) { + printk(MYIOC_s_WARN_FMT + "Oops, already bound (%s <==> %s)!\n", + ioc->name, ioc->name, ioc->alt_ioc->name); + break; + } else if (ioc_srch->alt_ioc != NULL) { + printk(MYIOC_s_WARN_FMT + "Oops, already bound (%s <==> %s)!\n", + ioc_srch->name, ioc_srch->name, + ioc_srch->alt_ioc->name); + break; + } + dprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "FOUND! binding %s <==> %s\n", + ioc->name, ioc->name, ioc_srch->name)); + ioc_srch->alt_ioc = ioc; + ioc->alt_ioc = ioc_srch; + } + } + pci_dev_put(peer); +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_adapter_disable - Disable misbehaving MPT adapter. + * @ioc: Pointer to MPT adapter structure + */ +static void +mpt_adapter_disable(MPT_ADAPTER *ioc) +{ + int sz; + int ret; + + if (ioc->cached_fw != NULL) { + ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "%s: Pushing FW onto adapter\n", __func__, ioc->name)); + if ((ret = mpt_downloadboot(ioc, (MpiFwHeader_t *) + ioc->cached_fw, CAN_SLEEP)) < 0) { + printk(MYIOC_s_WARN_FMT + ": firmware downloadboot failure (%d)!\n", + ioc->name, ret); + } + } + + /* + * Put the controller into ready state (if its not already) + */ + if (mpt_GetIocState(ioc, 1) != MPI_IOC_STATE_READY) { + if (!SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, + CAN_SLEEP)) { + if (mpt_GetIocState(ioc, 1) != MPI_IOC_STATE_READY) + printk(MYIOC_s_ERR_FMT "%s: IOC msg unit " + "reset failed to put ioc in ready state!\n", + ioc->name, __func__); + } else + printk(MYIOC_s_ERR_FMT "%s: IOC msg unit reset " + "failed!\n", ioc->name, __func__); + } + + + /* Disable adapter interrupts! */ + synchronize_irq(ioc->pcidev->irq); + CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF); + ioc->active = 0; + + /* Clear any lingering interrupt */ + CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); + CHIPREG_READ32(&ioc->chip->IntStatus); + + if (ioc->alloc != NULL) { + sz = ioc->alloc_sz; + dexitprintk(ioc, printk(MYIOC_s_INFO_FMT "free @ %p, sz=%d bytes\n", + ioc->name, ioc->alloc, ioc->alloc_sz)); + dma_free_coherent(&ioc->pcidev->dev, sz, ioc->alloc, + ioc->alloc_dma); + ioc->reply_frames = NULL; + ioc->req_frames = NULL; + ioc->alloc = NULL; + ioc->alloc_total -= sz; + } + + if (ioc->sense_buf_pool != NULL) { + sz = (ioc->req_depth * MPT_SENSE_BUFFER_ALLOC); + dma_free_coherent(&ioc->pcidev->dev, sz, ioc->sense_buf_pool, + ioc->sense_buf_pool_dma); + ioc->sense_buf_pool = NULL; + ioc->alloc_total -= sz; + } + + if (ioc->events != NULL){ + sz = MPTCTL_EVENT_LOG_SIZE * sizeof(MPT_IOCTL_EVENTS); + kfree(ioc->events); + ioc->events = NULL; + ioc->alloc_total -= sz; + } + + mpt_free_fw_memory(ioc); + + kfree(ioc->spi_data.nvram); + mpt_inactive_raid_list_free(ioc); + kfree(ioc->raid_data.pIocPg2); + kfree(ioc->raid_data.pIocPg3); + ioc->spi_data.nvram = NULL; + ioc->raid_data.pIocPg3 = NULL; + + if (ioc->spi_data.pIocPg4 != NULL) { + sz = ioc->spi_data.IocPg4Sz; + dma_free_coherent(&ioc->pcidev->dev, sz, + ioc->spi_data.pIocPg4, + ioc->spi_data.IocPg4_dma); + ioc->spi_data.pIocPg4 = NULL; + ioc->alloc_total -= sz; + } + + if (ioc->ReqToChain != NULL) { + kfree(ioc->ReqToChain); + kfree(ioc->RequestNB); + ioc->ReqToChain = NULL; + } + + kfree(ioc->ChainToChain); + ioc->ChainToChain = NULL; + + if (ioc->HostPageBuffer != NULL) { + if((ret = mpt_host_page_access_control(ioc, + MPI_DB_HPBAC_FREE_BUFFER, NO_SLEEP)) != 0) { + printk(MYIOC_s_ERR_FMT + ": %s: host page buffers free failed (%d)!\n", + ioc->name, __func__, ret); + } + dexitprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "HostPageBuffer free @ %p, sz=%d bytes\n", + ioc->name, ioc->HostPageBuffer, + ioc->HostPageBuffer_sz)); + dma_free_coherent(&ioc->pcidev->dev, ioc->HostPageBuffer_sz, + ioc->HostPageBuffer, ioc->HostPageBuffer_dma); + ioc->HostPageBuffer = NULL; + ioc->HostPageBuffer_sz = 0; + ioc->alloc_total -= ioc->HostPageBuffer_sz; + } + + pci_set_drvdata(ioc->pcidev, NULL); +} +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_adapter_dispose - Free all resources associated with an MPT adapter + * @ioc: Pointer to MPT adapter structure + * + * This routine unregisters h/w resources and frees all alloc'd memory + * associated with a MPT adapter structure. + */ +static void +mpt_adapter_dispose(MPT_ADAPTER *ioc) +{ + int sz_first, sz_last; + + if (ioc == NULL) + return; + + sz_first = ioc->alloc_total; + + mpt_adapter_disable(ioc); + + if (ioc->pci_irq != -1) { + free_irq(ioc->pci_irq, ioc); + if (ioc->msi_enable) + pci_disable_msi(ioc->pcidev); + ioc->pci_irq = -1; + } + + if (ioc->memmap != NULL) { + iounmap(ioc->memmap); + ioc->memmap = NULL; + } + + pci_disable_device(ioc->pcidev); + pci_release_selected_regions(ioc->pcidev, ioc->bars); + + /* Zap the adapter lookup ptr! */ + list_del(&ioc->list); + + sz_last = ioc->alloc_total; + dprintk(ioc, printk(MYIOC_s_INFO_FMT "free'd %d of %d bytes\n", + ioc->name, sz_first-sz_last+(int)sizeof(*ioc), sz_first)); + + if (ioc->alt_ioc) + ioc->alt_ioc->alt_ioc = NULL; + + kfree(ioc); +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * MptDisplayIocCapabilities - Disply IOC's capabilities. + * @ioc: Pointer to MPT adapter structure + */ +static void +MptDisplayIocCapabilities(MPT_ADAPTER *ioc) +{ + int i = 0; + + printk(KERN_INFO "%s: ", ioc->name); + if (ioc->prod_name) + pr_cont("%s: ", ioc->prod_name); + pr_cont("Capabilities={"); + + if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_INITIATOR) { + pr_cont("Initiator"); + i++; + } + + if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_TARGET) { + pr_cont("%sTarget", i ? "," : ""); + i++; + } + + if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN) { + pr_cont("%sLAN", i ? "," : ""); + i++; + } + +#if 0 + /* + * This would probably evoke more questions than it's worth + */ + if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_TARGET) { + pr_cont("%sLogBusAddr", i ? "," : ""); + i++; + } +#endif + + pr_cont("}\n"); +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * MakeIocReady - Get IOC to a READY state, using KickStart if needed. + * @ioc: Pointer to MPT_ADAPTER structure + * @force: Force hard KickStart of IOC + * @sleepFlag: Specifies whether the process can sleep + * + * Returns: + * 1 - DIAG reset and READY + * 0 - READY initially OR soft reset and READY + * -1 - Any failure on KickStart + * -2 - Msg Unit Reset Failed + * -3 - IO Unit Reset Failed + * -4 - IOC owned by a PEER + */ +static int +MakeIocReady(MPT_ADAPTER *ioc, int force, int sleepFlag) +{ + u32 ioc_state; + int statefault = 0; + int cntdn; + int hard_reset_done = 0; + int r; + int ii; + int whoinit; + + /* Get current [raw] IOC state */ + ioc_state = mpt_GetIocState(ioc, 0); + dhsprintk(ioc, printk(MYIOC_s_INFO_FMT "MakeIocReady [raw] state=%08x\n", ioc->name, ioc_state)); + + /* + * Check to see if IOC got left/stuck in doorbell handshake + * grip of death. If so, hard reset the IOC. + */ + if (ioc_state & MPI_DOORBELL_ACTIVE) { + statefault = 1; + printk(MYIOC_s_WARN_FMT "Unexpected doorbell active!\n", + ioc->name); + } + + /* Is it already READY? */ + if (!statefault && + ((ioc_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_READY)) { + dinitprintk(ioc, printk(MYIOC_s_INFO_FMT + "IOC is in READY state\n", ioc->name)); + return 0; + } + + /* + * Check to see if IOC is in FAULT state. + */ + if ((ioc_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_FAULT) { + statefault = 2; + printk(MYIOC_s_WARN_FMT "IOC is in FAULT state!!!\n", + ioc->name); + printk(MYIOC_s_WARN_FMT " FAULT code = %04xh\n", + ioc->name, ioc_state & MPI_DOORBELL_DATA_MASK); + } + + /* + * Hmmm... Did it get left operational? + */ + if ((ioc_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_OPERATIONAL) { + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IOC operational unexpected\n", + ioc->name)); + + /* Check WhoInit. + * If PCI Peer, exit. + * Else, if no fault conditions are present, issue a MessageUnitReset + * Else, fall through to KickStart case + */ + whoinit = (ioc_state & MPI_DOORBELL_WHO_INIT_MASK) >> MPI_DOORBELL_WHO_INIT_SHIFT; + dinitprintk(ioc, printk(MYIOC_s_INFO_FMT + "whoinit 0x%x statefault %d force %d\n", + ioc->name, whoinit, statefault, force)); + if (whoinit == MPI_WHOINIT_PCI_PEER) + return -4; + else { + if ((statefault == 0 ) && (force == 0)) { + if ((r = SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag)) == 0) + return 0; + } + statefault = 3; + } + } + + hard_reset_done = KickStart(ioc, statefault||force, sleepFlag); + if (hard_reset_done < 0) + return -1; + + /* + * Loop here waiting for IOC to come READY. + */ + ii = 0; + cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 5; /* 5 seconds */ + + while ((ioc_state = mpt_GetIocState(ioc, 1)) != MPI_IOC_STATE_READY) { + if (ioc_state == MPI_IOC_STATE_OPERATIONAL) { + /* + * BIOS or previous driver load left IOC in OP state. + * Reset messaging FIFOs. + */ + if ((r = SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag)) != 0) { + printk(MYIOC_s_ERR_FMT "IOC msg unit reset failed!\n", ioc->name); + return -2; + } + } else if (ioc_state == MPI_IOC_STATE_RESET) { + /* + * Something is wrong. Try to get IOC back + * to a known state. + */ + if ((r = SendIocReset(ioc, MPI_FUNCTION_IO_UNIT_RESET, sleepFlag)) != 0) { + printk(MYIOC_s_ERR_FMT "IO unit reset failed!\n", ioc->name); + return -3; + } + } + + ii++; cntdn--; + if (!cntdn) { + printk(MYIOC_s_ERR_FMT + "Wait IOC_READY state (0x%x) timeout(%d)!\n", + ioc->name, ioc_state, (int)((ii+5)/HZ)); + return -ETIME; + } + + if (sleepFlag == CAN_SLEEP) { + msleep(1); + } else { + mdelay (1); /* 1 msec delay */ + } + + } + + if (statefault < 3) { + printk(MYIOC_s_INFO_FMT "Recovered from %s\n", ioc->name, + statefault == 1 ? "stuck handshake" : "IOC FAULT"); + } + + return hard_reset_done; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_GetIocState - Get the current state of a MPT adapter. + * @ioc: Pointer to MPT_ADAPTER structure + * @cooked: Request raw or cooked IOC state + * + * Returns all IOC Doorbell register bits if cooked==0, else just the + * Doorbell bits in MPI_IOC_STATE_MASK. + */ +u32 +mpt_GetIocState(MPT_ADAPTER *ioc, int cooked) +{ + u32 s, sc; + + /* Get! */ + s = CHIPREG_READ32(&ioc->chip->Doorbell); + sc = s & MPI_IOC_STATE_MASK; + + /* Save! */ + ioc->last_state = sc; + + return cooked ? sc : s; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * GetIocFacts - Send IOCFacts request to MPT adapter. + * @ioc: Pointer to MPT_ADAPTER structure + * @sleepFlag: Specifies whether the process can sleep + * @reason: If recovery, only update facts. + * + * Returns 0 for success, non-zero for failure. + */ +static int +GetIocFacts(MPT_ADAPTER *ioc, int sleepFlag, int reason) +{ + IOCFacts_t get_facts; + IOCFactsReply_t *facts; + int r; + int req_sz; + int reply_sz; + int sz; + u32 vv; + u8 shiftFactor=1; + + /* IOC *must* NOT be in RESET state! */ + if (ioc->last_state == MPI_IOC_STATE_RESET) { + printk(KERN_ERR MYNAM + ": ERROR - Can't get IOCFacts, %s NOT READY! (%08x)\n", + ioc->name, ioc->last_state); + return -44; + } + + facts = &ioc->facts; + + /* Destination (reply area)... */ + reply_sz = sizeof(*facts); + memset(facts, 0, reply_sz); + + /* Request area (get_facts on the stack right now!) */ + req_sz = sizeof(get_facts); + memset(&get_facts, 0, req_sz); + + get_facts.Function = MPI_FUNCTION_IOC_FACTS; + /* Assert: All other get_facts fields are zero! */ + + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "Sending get IocFacts request req_sz=%d reply_sz=%d\n", + ioc->name, req_sz, reply_sz)); + + /* No non-zero fields in the get_facts request are greater than + * 1 byte in size, so we can just fire it off as is. + */ + r = mpt_handshake_req_reply_wait(ioc, req_sz, (u32*)&get_facts, + reply_sz, (u16*)facts, 5 /*seconds*/, sleepFlag); + if (r != 0) + return r; + + /* + * Now byte swap (GRRR) the necessary fields before any further + * inspection of reply contents. + * + * But need to do some sanity checks on MsgLength (byte) field + * to make sure we don't zero IOC's req_sz! + */ + /* Did we get a valid reply? */ + if (facts->MsgLength > offsetof(IOCFactsReply_t, RequestFrameSize)/sizeof(u32)) { + if (reason == MPT_HOSTEVENT_IOC_BRINGUP) { + /* + * If not been here, done that, save off first WhoInit value + */ + if (ioc->FirstWhoInit == WHOINIT_UNKNOWN) + ioc->FirstWhoInit = facts->WhoInit; + } + + facts->MsgVersion = le16_to_cpu(facts->MsgVersion); + facts->MsgContext = le32_to_cpu(facts->MsgContext); + facts->IOCExceptions = le16_to_cpu(facts->IOCExceptions); + facts->IOCStatus = le16_to_cpu(facts->IOCStatus); + facts->IOCLogInfo = le32_to_cpu(facts->IOCLogInfo); + /* CHECKME! IOCStatus, IOCLogInfo */ + + facts->ReplyQueueDepth = le16_to_cpu(facts->ReplyQueueDepth); + facts->RequestFrameSize = le16_to_cpu(facts->RequestFrameSize); + + /* + * FC f/w version changed between 1.1 and 1.2 + * Old: u16{Major(4),Minor(4),SubMinor(8)} + * New: u32{Major(8),Minor(8),Unit(8),Dev(8)} + */ + if (facts->MsgVersion < MPI_VERSION_01_02) { + /* + * Handle old FC f/w style, convert to new... + */ + u16 oldv = le16_to_cpu(facts->Reserved_0101_FWVersion); + facts->FWVersion.Word = + ((oldv<<12) & 0xFF000000) | + ((oldv<<8) & 0x000FFF00); + } else + facts->FWVersion.Word = le32_to_cpu(facts->FWVersion.Word); + + facts->ProductID = le16_to_cpu(facts->ProductID); + + if ((ioc->facts.ProductID & MPI_FW_HEADER_PID_PROD_MASK) + > MPI_FW_HEADER_PID_PROD_TARGET_SCSI) + ioc->ir_firmware = 1; + + facts->CurrentHostMfaHighAddr = + le32_to_cpu(facts->CurrentHostMfaHighAddr); + facts->GlobalCredits = le16_to_cpu(facts->GlobalCredits); + facts->CurrentSenseBufferHighAddr = + le32_to_cpu(facts->CurrentSenseBufferHighAddr); + facts->CurReplyFrameSize = + le16_to_cpu(facts->CurReplyFrameSize); + facts->IOCCapabilities = le32_to_cpu(facts->IOCCapabilities); + + /* + * Handle NEW (!) IOCFactsReply fields in MPI-1.01.xx + * Older MPI-1.00.xx struct had 13 dwords, and enlarged + * to 14 in MPI-1.01.0x. + */ + if (facts->MsgLength >= (offsetof(IOCFactsReply_t,FWImageSize) + 7)/4 && + facts->MsgVersion > MPI_VERSION_01_00) { + facts->FWImageSize = le32_to_cpu(facts->FWImageSize); + } + + facts->FWImageSize = ALIGN(facts->FWImageSize, 4); + + if (!facts->RequestFrameSize) { + /* Something is wrong! */ + printk(MYIOC_s_ERR_FMT "IOC reported invalid 0 request size!\n", + ioc->name); + return -55; + } + + r = sz = facts->BlockSize; + vv = ((63 / (sz * 4)) + 1) & 0x03; + ioc->NB_for_64_byte_frame = vv; + while ( sz ) + { + shiftFactor++; + sz = sz >> 1; + } + ioc->NBShiftFactor = shiftFactor; + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "NB_for_64_byte_frame=%x NBShiftFactor=%x BlockSize=%x\n", + ioc->name, vv, shiftFactor, r)); + + if (reason == MPT_HOSTEVENT_IOC_BRINGUP) { + /* + * Set values for this IOC's request & reply frame sizes, + * and request & reply queue depths... + */ + ioc->req_sz = min(MPT_DEFAULT_FRAME_SIZE, facts->RequestFrameSize * 4); + ioc->req_depth = min_t(int, MPT_MAX_REQ_DEPTH, facts->GlobalCredits); + ioc->reply_sz = MPT_REPLY_FRAME_SIZE; + ioc->reply_depth = min_t(int, MPT_DEFAULT_REPLY_DEPTH, facts->ReplyQueueDepth); + + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "reply_sz=%3d, reply_depth=%4d\n", + ioc->name, ioc->reply_sz, ioc->reply_depth)); + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "req_sz =%3d, req_depth =%4d\n", + ioc->name, ioc->req_sz, ioc->req_depth)); + + /* Get port facts! */ + if ( (r = GetPortFacts(ioc, 0, sleepFlag)) != 0 ) + return r; + } + } else { + printk(MYIOC_s_ERR_FMT + "Invalid IOC facts reply, msgLength=%d offsetof=%zd!\n", + ioc->name, facts->MsgLength, (offsetof(IOCFactsReply_t, + RequestFrameSize)/sizeof(u32))); + return -66; + } + + return 0; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * GetPortFacts - Send PortFacts request to MPT adapter. + * @ioc: Pointer to MPT_ADAPTER structure + * @portnum: Port number + * @sleepFlag: Specifies whether the process can sleep + * + * Returns 0 for success, non-zero for failure. + */ +static int +GetPortFacts(MPT_ADAPTER *ioc, int portnum, int sleepFlag) +{ + PortFacts_t get_pfacts; + PortFactsReply_t *pfacts; + int ii; + int req_sz; + int reply_sz; + int max_id; + + /* IOC *must* NOT be in RESET state! */ + if (ioc->last_state == MPI_IOC_STATE_RESET) { + printk(MYIOC_s_ERR_FMT "Can't get PortFacts NOT READY! (%08x)\n", + ioc->name, ioc->last_state ); + return -4; + } + + pfacts = &ioc->pfacts[portnum]; + + /* Destination (reply area)... */ + reply_sz = sizeof(*pfacts); + memset(pfacts, 0, reply_sz); + + /* Request area (get_pfacts on the stack right now!) */ + req_sz = sizeof(get_pfacts); + memset(&get_pfacts, 0, req_sz); + + get_pfacts.Function = MPI_FUNCTION_PORT_FACTS; + get_pfacts.PortNumber = portnum; + /* Assert: All other get_pfacts fields are zero! */ + + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending get PortFacts(%d) request\n", + ioc->name, portnum)); + + /* No non-zero fields in the get_pfacts request are greater than + * 1 byte in size, so we can just fire it off as is. + */ + ii = mpt_handshake_req_reply_wait(ioc, req_sz, (u32*)&get_pfacts, + reply_sz, (u16*)pfacts, 5 /*seconds*/, sleepFlag); + if (ii != 0) + return ii; + + /* Did we get a valid reply? */ + + /* Now byte swap the necessary fields in the response. */ + pfacts->MsgContext = le32_to_cpu(pfacts->MsgContext); + pfacts->IOCStatus = le16_to_cpu(pfacts->IOCStatus); + pfacts->IOCLogInfo = le32_to_cpu(pfacts->IOCLogInfo); + pfacts->MaxDevices = le16_to_cpu(pfacts->MaxDevices); + pfacts->PortSCSIID = le16_to_cpu(pfacts->PortSCSIID); + pfacts->ProtocolFlags = le16_to_cpu(pfacts->ProtocolFlags); + pfacts->MaxPostedCmdBuffers = le16_to_cpu(pfacts->MaxPostedCmdBuffers); + pfacts->MaxPersistentIDs = le16_to_cpu(pfacts->MaxPersistentIDs); + pfacts->MaxLanBuckets = le16_to_cpu(pfacts->MaxLanBuckets); + + max_id = (ioc->bus_type == SAS) ? pfacts->PortSCSIID : + pfacts->MaxDevices; + ioc->devices_per_bus = (max_id > 255) ? 256 : max_id; + ioc->number_of_buses = (ioc->devices_per_bus < 256) ? 1 : max_id/256; + + /* + * Place all the devices on channels + * + * (for debuging) + */ + if (mpt_channel_mapping) { + ioc->devices_per_bus = 1; + ioc->number_of_buses = (max_id > 255) ? 255 : max_id; + } + + return 0; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * SendIocInit - Send IOCInit request to MPT adapter. + * @ioc: Pointer to MPT_ADAPTER structure + * @sleepFlag: Specifies whether the process can sleep + * + * Send IOCInit followed by PortEnable to bring IOC to OPERATIONAL state. + * + * Returns 0 for success, non-zero for failure. + */ +static int +SendIocInit(MPT_ADAPTER *ioc, int sleepFlag) +{ + IOCInit_t ioc_init; + MPIDefaultReply_t init_reply; + u32 state; + int r; + int count; + int cntdn; + + memset(&ioc_init, 0, sizeof(ioc_init)); + memset(&init_reply, 0, sizeof(init_reply)); + + ioc_init.WhoInit = MPI_WHOINIT_HOST_DRIVER; + ioc_init.Function = MPI_FUNCTION_IOC_INIT; + + /* If we are in a recovery mode and we uploaded the FW image, + * then this pointer is not NULL. Skip the upload a second time. + * Set this flag if cached_fw set for either IOC. + */ + if (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT) + ioc->upload_fw = 1; + else + ioc->upload_fw = 0; + ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "upload_fw %d facts.Flags=%x\n", + ioc->name, ioc->upload_fw, ioc->facts.Flags)); + + ioc_init.MaxDevices = (U8)ioc->devices_per_bus; + ioc_init.MaxBuses = (U8)ioc->number_of_buses; + + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "facts.MsgVersion=%x\n", + ioc->name, ioc->facts.MsgVersion)); + if (ioc->facts.MsgVersion >= MPI_VERSION_01_05) { + // set MsgVersion and HeaderVersion host driver was built with + ioc_init.MsgVersion = cpu_to_le16(MPI_VERSION); + ioc_init.HeaderVersion = cpu_to_le16(MPI_HEADER_VERSION); + + if (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_HOST_PAGE_BUFFER_PERSISTENT) { + ioc_init.HostPageBufferSGE = ioc->facts.HostPageBufferSGE; + } else if(mpt_host_page_alloc(ioc, &ioc_init)) + return -99; + } + ioc_init.ReplyFrameSize = cpu_to_le16(ioc->reply_sz); /* in BYTES */ + + if (ioc->sg_addr_size == sizeof(u64)) { + /* Save the upper 32-bits of the request + * (reply) and sense buffers. + */ + ioc_init.HostMfaHighAddr = cpu_to_le32((u32)((u64)ioc->alloc_dma >> 32)); + ioc_init.SenseBufferHighAddr = cpu_to_le32((u32)((u64)ioc->sense_buf_pool_dma >> 32)); + } else { + /* Force 32-bit addressing */ + ioc_init.HostMfaHighAddr = cpu_to_le32(0); + ioc_init.SenseBufferHighAddr = cpu_to_le32(0); + } + + ioc->facts.CurrentHostMfaHighAddr = ioc_init.HostMfaHighAddr; + ioc->facts.CurrentSenseBufferHighAddr = ioc_init.SenseBufferHighAddr; + ioc->facts.MaxDevices = ioc_init.MaxDevices; + ioc->facts.MaxBuses = ioc_init.MaxBuses; + + dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending IOCInit (req @ %p)\n", + ioc->name, &ioc_init)); + + r = mpt_handshake_req_reply_wait(ioc, sizeof(IOCInit_t), (u32*)&ioc_init, + sizeof(MPIDefaultReply_t), (u16*)&init_reply, 10 /*seconds*/, sleepFlag); + if (r != 0) { + printk(MYIOC_s_ERR_FMT "Sending IOCInit failed(%d)!\n",ioc->name, r); + return r; + } + + /* No need to byte swap the multibyte fields in the reply + * since we don't even look at its contents. + */ + + dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending PortEnable (req @ %p)\n", + ioc->name, &ioc_init)); + + if ((r = SendPortEnable(ioc, 0, sleepFlag)) != 0) { + printk(MYIOC_s_ERR_FMT "Sending PortEnable failed(%d)!\n",ioc->name, r); + return r; + } + + /* YIKES! SUPER IMPORTANT!!! + * Poll IocState until _OPERATIONAL while IOC is doing + * LoopInit and TargetDiscovery! + */ + count = 0; + cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 60; /* 60 seconds */ + state = mpt_GetIocState(ioc, 1); + while (state != MPI_IOC_STATE_OPERATIONAL && --cntdn) { + if (sleepFlag == CAN_SLEEP) { + msleep(1); + } else { + mdelay(1); + } + + if (!cntdn) { + printk(MYIOC_s_ERR_FMT "Wait IOC_OP state timeout(%d)!\n", + ioc->name, (int)((count+5)/HZ)); + return -9; + } + + state = mpt_GetIocState(ioc, 1); + count++; + } + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Wait IOC_OPERATIONAL state (cnt=%d)\n", + ioc->name, count)); + + ioc->aen_event_read_flag=0; + return r; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * SendPortEnable - Send PortEnable request to MPT adapter port. + * @ioc: Pointer to MPT_ADAPTER structure + * @portnum: Port number to enable + * @sleepFlag: Specifies whether the process can sleep + * + * Send PortEnable to bring IOC to OPERATIONAL state. + * + * Returns 0 for success, non-zero for failure. + */ +static int +SendPortEnable(MPT_ADAPTER *ioc, int portnum, int sleepFlag) +{ + PortEnable_t port_enable; + MPIDefaultReply_t reply_buf; + int rc; + int req_sz; + int reply_sz; + + /* Destination... */ + reply_sz = sizeof(MPIDefaultReply_t); + memset(&reply_buf, 0, reply_sz); + + req_sz = sizeof(PortEnable_t); + memset(&port_enable, 0, req_sz); + + port_enable.Function = MPI_FUNCTION_PORT_ENABLE; + port_enable.PortNumber = portnum; +/* port_enable.ChainOffset = 0; */ +/* port_enable.MsgFlags = 0; */ +/* port_enable.MsgContext = 0; */ + + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending Port(%d)Enable (req @ %p)\n", + ioc->name, portnum, &port_enable)); + + /* RAID FW may take a long time to enable + */ + if (ioc->ir_firmware || ioc->bus_type == SAS) { + rc = mpt_handshake_req_reply_wait(ioc, req_sz, + (u32*)&port_enable, reply_sz, (u16*)&reply_buf, + 300 /*seconds*/, sleepFlag); + } else { + rc = mpt_handshake_req_reply_wait(ioc, req_sz, + (u32*)&port_enable, reply_sz, (u16*)&reply_buf, + 30 /*seconds*/, sleepFlag); + } + return rc; +} + +/** + * mpt_alloc_fw_memory - allocate firmware memory + * @ioc: Pointer to MPT_ADAPTER structure + * @size: total FW bytes + * + * If memory has already been allocated, the same (cached) value + * is returned. + * + * Return 0 if successful, or non-zero for failure + **/ +int +mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size) +{ + int rc; + + if (ioc->cached_fw) { + rc = 0; /* use already allocated memory */ + goto out; + } + else if (ioc->alt_ioc && ioc->alt_ioc->cached_fw) { + ioc->cached_fw = ioc->alt_ioc->cached_fw; /* use alt_ioc's memory */ + ioc->cached_fw_dma = ioc->alt_ioc->cached_fw_dma; + rc = 0; + goto out; + } + ioc->cached_fw = dma_alloc_coherent(&ioc->pcidev->dev, size, + &ioc->cached_fw_dma, GFP_ATOMIC); + if (!ioc->cached_fw) { + printk(MYIOC_s_ERR_FMT "Unable to allocate memory for the cached firmware image!\n", + ioc->name); + rc = -1; + } else { + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FW Image @ %p[%p], sz=%d[%x] bytes\n", + ioc->name, ioc->cached_fw, (void *)(ulong)ioc->cached_fw_dma, size, size)); + ioc->alloc_total += size; + rc = 0; + } + out: + return rc; +} + +/** + * mpt_free_fw_memory - free firmware memory + * @ioc: Pointer to MPT_ADAPTER structure + * + * If alt_img is NULL, delete from ioc structure. + * Else, delete a secondary image in same format. + **/ +void +mpt_free_fw_memory(MPT_ADAPTER *ioc) +{ + int sz; + + if (!ioc->cached_fw) + return; + + sz = ioc->facts.FWImageSize; + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "free_fw_memory: FW Image @ %p[%p], sz=%d[%x] bytes\n", + ioc->name, ioc->cached_fw, (void *)(ulong)ioc->cached_fw_dma, sz, sz)); + dma_free_coherent(&ioc->pcidev->dev, sz, ioc->cached_fw, + ioc->cached_fw_dma); + ioc->alloc_total -= sz; + ioc->cached_fw = NULL; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_do_upload - Construct and Send FWUpload request to MPT adapter port. + * @ioc: Pointer to MPT_ADAPTER structure + * @sleepFlag: Specifies whether the process can sleep + * + * Returns 0 for success, >0 for handshake failure + * <0 for fw upload failure. + * + * Remark: If bound IOC and a successful FWUpload was performed + * on the bound IOC, the second image is discarded + * and memory is free'd. Both channels must upload to prevent + * IOC from running in degraded mode. + */ +static int +mpt_do_upload(MPT_ADAPTER *ioc, int sleepFlag) +{ + u8 reply[sizeof(FWUploadReply_t)]; + FWUpload_t *prequest; + FWUploadReply_t *preply; + FWUploadTCSGE_t *ptcsge; + u32 flagsLength; + int ii, sz, reply_sz; + int cmdStatus; + int request_size; + /* If the image size is 0, we are done. + */ + if ((sz = ioc->facts.FWImageSize) == 0) + return 0; + + if (mpt_alloc_fw_memory(ioc, ioc->facts.FWImageSize) != 0) + return -ENOMEM; + + dinitprintk(ioc, printk(MYIOC_s_INFO_FMT ": FW Image @ %p[%p], sz=%d[%x] bytes\n", + ioc->name, ioc->cached_fw, (void *)(ulong)ioc->cached_fw_dma, sz, sz)); + + prequest = (sleepFlag == NO_SLEEP) ? kzalloc(ioc->req_sz, GFP_ATOMIC) : + kzalloc(ioc->req_sz, GFP_KERNEL); + if (!prequest) { + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "fw upload failed " + "while allocating memory \n", ioc->name)); + mpt_free_fw_memory(ioc); + return -ENOMEM; + } + + preply = (FWUploadReply_t *)&reply; + + reply_sz = sizeof(reply); + memset(preply, 0, reply_sz); + + prequest->ImageType = MPI_FW_UPLOAD_ITYPE_FW_IOC_MEM; + prequest->Function = MPI_FUNCTION_FW_UPLOAD; + + ptcsge = (FWUploadTCSGE_t *) &prequest->SGL; + ptcsge->DetailsLength = 12; + ptcsge->Flags = MPI_SGE_FLAGS_TRANSACTION_ELEMENT; + ptcsge->ImageSize = cpu_to_le32(sz); + ptcsge++; + + flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ | sz; + ioc->add_sge((char *)ptcsge, flagsLength, ioc->cached_fw_dma); + request_size = offsetof(FWUpload_t, SGL) + sizeof(FWUploadTCSGE_t) + + ioc->SGE_size; + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending FW Upload " + " (req @ %p) fw_size=%d mf_request_size=%d\n", ioc->name, prequest, + ioc->facts.FWImageSize, request_size)); + DBG_DUMP_FW_REQUEST_FRAME(ioc, (u32 *)prequest); + + ii = mpt_handshake_req_reply_wait(ioc, request_size, (u32 *)prequest, + reply_sz, (u16 *)preply, 65 /*seconds*/, sleepFlag); + + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FW Upload completed " + "rc=%x \n", ioc->name, ii)); + + cmdStatus = -EFAULT; + if (ii == 0) { + /* Handshake transfer was complete and successful. + * Check the Reply Frame. + */ + int status; + status = le16_to_cpu(preply->IOCStatus) & + MPI_IOCSTATUS_MASK; + if (status == MPI_IOCSTATUS_SUCCESS && + ioc->facts.FWImageSize == + le32_to_cpu(preply->ActualImageSize)) + cmdStatus = 0; + } + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": do_upload cmdStatus=%d \n", + ioc->name, cmdStatus)); + + + if (cmdStatus) { + ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "fw upload failed, " + "freeing image \n", ioc->name)); + mpt_free_fw_memory(ioc); + } + kfree(prequest); + + return cmdStatus; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_downloadboot - DownloadBoot code + * @ioc: Pointer to MPT_ADAPTER structure + * @pFwHeader: Pointer to firmware header info + * @sleepFlag: Specifies whether the process can sleep + * + * FwDownloadBoot requires Programmed IO access. + * + * Returns 0 for success + * -1 FW Image size is 0 + * -2 No valid cached_fw Pointer + * <0 for fw upload failure. + */ +static int +mpt_downloadboot(MPT_ADAPTER *ioc, MpiFwHeader_t *pFwHeader, int sleepFlag) +{ + MpiExtImageHeader_t *pExtImage; + u32 fwSize; + u32 diag0val; + int count; + u32 *ptrFw; + u32 diagRwData; + u32 nextImage; + u32 load_addr; + u32 ioc_state=0; + + ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot: fw size 0x%x (%d), FW Ptr %p\n", + ioc->name, pFwHeader->ImageSize, pFwHeader->ImageSize, pFwHeader)); + + CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF); + CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE); + CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE); + CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE); + CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE); + CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE); + + CHIPREG_WRITE32(&ioc->chip->Diagnostic, (MPI_DIAG_PREVENT_IOC_BOOT | MPI_DIAG_DISABLE_ARM)); + + /* wait 1 msec */ + if (sleepFlag == CAN_SLEEP) { + msleep(1); + } else { + mdelay (1); + } + + diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); + CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val | MPI_DIAG_RESET_ADAPTER); + + for (count = 0; count < 30; count ++) { + diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); + if (!(diag0val & MPI_DIAG_RESET_ADAPTER)) { + ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RESET_ADAPTER cleared, count=%d\n", + ioc->name, count)); + break; + } + /* wait .1 sec */ + if (sleepFlag == CAN_SLEEP) { + msleep (100); + } else { + mdelay (100); + } + } + + if ( count == 30 ) { + ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot failed! " + "Unable to get MPI_DIAG_DRWE mode, diag0val=%x\n", + ioc->name, diag0val)); + return -3; + } + + CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF); + CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE); + CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE); + CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE); + CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE); + CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE); + + /* Set the DiagRwEn and Disable ARM bits */ + CHIPREG_WRITE32(&ioc->chip->Diagnostic, (MPI_DIAG_RW_ENABLE | MPI_DIAG_DISABLE_ARM)); + + fwSize = (pFwHeader->ImageSize + 3)/4; + ptrFw = (u32 *) pFwHeader; + + /* Write the LoadStartAddress to the DiagRw Address Register + * using Programmed IO + */ + if (ioc->errata_flag_1064) + pci_enable_io_access(ioc->pcidev); + + CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, pFwHeader->LoadStartAddress); + ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "LoadStart addr written 0x%x \n", + ioc->name, pFwHeader->LoadStartAddress)); + + ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write FW Image: 0x%x bytes @ %p\n", + ioc->name, fwSize*4, ptrFw)); + while (fwSize--) { + CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, *ptrFw++); + } + + nextImage = pFwHeader->NextImageHeaderOffset; + while (nextImage) { + pExtImage = (MpiExtImageHeader_t *) ((char *)pFwHeader + nextImage); + + load_addr = pExtImage->LoadStartAddress; + + fwSize = (pExtImage->ImageSize + 3) >> 2; + ptrFw = (u32 *)pExtImage; + + ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write Ext Image: 0x%x (%d) bytes @ %p load_addr=%x\n", + ioc->name, fwSize*4, fwSize*4, ptrFw, load_addr)); + CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, load_addr); + + while (fwSize--) { + CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, *ptrFw++); + } + nextImage = pExtImage->NextImageHeaderOffset; + } + + /* Write the IopResetVectorRegAddr */ + ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write IopResetVector Addr=%x! \n", ioc->name, pFwHeader->IopResetRegAddr)); + CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, pFwHeader->IopResetRegAddr); + + /* Write the IopResetVectorValue */ + ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write IopResetVector Value=%x! \n", ioc->name, pFwHeader->IopResetVectorValue)); + CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, pFwHeader->IopResetVectorValue); + + /* Clear the internal flash bad bit - autoincrementing register, + * so must do two writes. + */ + if (ioc->bus_type == SPI) { + /* + * 1030 and 1035 H/W errata, workaround to access + * the ClearFlashBadSignatureBit + */ + CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, 0x3F000000); + diagRwData = CHIPREG_PIO_READ32(&ioc->pio_chip->DiagRwData); + diagRwData |= 0x40000000; + CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, 0x3F000000); + CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, diagRwData); + + } else /* if((ioc->bus_type == SAS) || (ioc->bus_type == FC)) */ { + diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); + CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val | + MPI_DIAG_CLEAR_FLASH_BAD_SIG); + + /* wait 1 msec */ + if (sleepFlag == CAN_SLEEP) { + msleep (1); + } else { + mdelay (1); + } + } + + if (ioc->errata_flag_1064) + pci_disable_io_access(ioc->pcidev); + + diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); + ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot diag0val=%x, " + "turning off PREVENT_IOC_BOOT, DISABLE_ARM, RW_ENABLE\n", + ioc->name, diag0val)); + diag0val &= ~(MPI_DIAG_PREVENT_IOC_BOOT | MPI_DIAG_DISABLE_ARM | MPI_DIAG_RW_ENABLE); + ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot now diag0val=%x\n", + ioc->name, diag0val)); + CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val); + + /* Write 0xFF to reset the sequencer */ + CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF); + + if (ioc->bus_type == SAS) { + ioc_state = mpt_GetIocState(ioc, 0); + if ( (GetIocFacts(ioc, sleepFlag, + MPT_HOSTEVENT_IOC_BRINGUP)) != 0 ) { + ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "GetIocFacts failed: IocState=%x\n", + ioc->name, ioc_state)); + return -EFAULT; + } + } + + for (count=0; count<HZ*20; count++) { + if ((ioc_state = mpt_GetIocState(ioc, 0)) & MPI_IOC_STATE_READY) { + ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "downloadboot successful! (count=%d) IocState=%x\n", + ioc->name, count, ioc_state)); + if (ioc->bus_type == SAS) { + return 0; + } + if ((SendIocInit(ioc, sleepFlag)) != 0) { + ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "downloadboot: SendIocInit failed\n", + ioc->name)); + return -EFAULT; + } + ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "downloadboot: SendIocInit successful\n", + ioc->name)); + return 0; + } + if (sleepFlag == CAN_SLEEP) { + msleep (10); + } else { + mdelay (10); + } + } + ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "downloadboot failed! IocState=%x\n",ioc->name, ioc_state)); + return -EFAULT; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * KickStart - Perform hard reset of MPT adapter. + * @ioc: Pointer to MPT_ADAPTER structure + * @force: Force hard reset + * @sleepFlag: Specifies whether the process can sleep + * + * This routine places MPT adapter in diagnostic mode via the + * WriteSequence register, and then performs a hard reset of adapter + * via the Diagnostic register. + * + * Inputs: sleepflag - CAN_SLEEP (non-interrupt thread) + * or NO_SLEEP (interrupt thread, use mdelay) + * force - 1 if doorbell active, board fault state + * board operational, IOC_RECOVERY or + * IOC_BRINGUP and there is an alt_ioc. + * 0 else + * + * Returns: + * 1 - hard reset, READY + * 0 - no reset due to History bit, READY + * -1 - no reset due to History bit but not READY + * OR reset but failed to come READY + * -2 - no reset, could not enter DIAG mode + * -3 - reset but bad FW bit + */ +static int +KickStart(MPT_ADAPTER *ioc, int force, int sleepFlag) +{ + int hard_reset_done = 0; + u32 ioc_state=0; + int cnt,cntdn; + + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "KickStarting!\n", ioc->name)); + if (ioc->bus_type == SPI) { + /* Always issue a Msg Unit Reset first. This will clear some + * SCSI bus hang conditions. + */ + SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag); + + if (sleepFlag == CAN_SLEEP) { + msleep (1000); + } else { + mdelay (1000); + } + } + + hard_reset_done = mpt_diag_reset(ioc, force, sleepFlag); + if (hard_reset_done < 0) + return hard_reset_done; + + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Diagnostic reset successful!\n", + ioc->name)); + + cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 2; /* 2 seconds */ + for (cnt=0; cnt<cntdn; cnt++) { + ioc_state = mpt_GetIocState(ioc, 1); + if ((ioc_state == MPI_IOC_STATE_READY) || (ioc_state == MPI_IOC_STATE_OPERATIONAL)) { + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "KickStart successful! (cnt=%d)\n", + ioc->name, cnt)); + return hard_reset_done; + } + if (sleepFlag == CAN_SLEEP) { + msleep (10); + } else { + mdelay (10); + } + } + + dinitprintk(ioc, printk(MYIOC_s_ERR_FMT "Failed to come READY after reset! IocState=%x\n", + ioc->name, mpt_GetIocState(ioc, 0))); + return -1; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_diag_reset - Perform hard reset of the adapter. + * @ioc: Pointer to MPT_ADAPTER structure + * @ignore: Set if to honor and clear to ignore + * the reset history bit + * @sleepFlag: CAN_SLEEP if called in a non-interrupt thread, + * else set to NO_SLEEP (use mdelay instead) + * + * This routine places the adapter in diagnostic mode via the + * WriteSequence register and then performs a hard reset of adapter + * via the Diagnostic register. Adapter should be in ready state + * upon successful completion. + * + * Returns: 1 hard reset successful + * 0 no reset performed because reset history bit set + * -2 enabling diagnostic mode failed + * -3 diagnostic reset failed + */ +static int +mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag) +{ + u32 diag0val; + u32 doorbell; + int hard_reset_done = 0; + int count = 0; + u32 diag1val = 0; + MpiFwHeader_t *cached_fw; /* Pointer to FW */ + u8 cb_idx; + + /* Clear any existing interrupts */ + CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); + + if (ioc->pcidev->device == MPI_MANUFACTPAGE_DEVID_SAS1078) { + + if (!ignore) + return 0; + + drsprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: Doorbell=%p; 1078 reset " + "address=%p\n", ioc->name, __func__, + &ioc->chip->Doorbell, &ioc->chip->Reset_1078)); + CHIPREG_WRITE32(&ioc->chip->Reset_1078, 0x07); + if (sleepFlag == CAN_SLEEP) + msleep(1); + else + mdelay(1); + + /* + * Call each currently registered protocol IOC reset handler + * with pre-reset indication. + * NOTE: If we're doing _IOC_BRINGUP, there can be no + * MptResetHandlers[] registered yet. + */ + for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) { + if (MptResetHandlers[cb_idx]) + (*(MptResetHandlers[cb_idx]))(ioc, + MPT_IOC_PRE_RESET); + } + + for (count = 0; count < 60; count ++) { + doorbell = CHIPREG_READ32(&ioc->chip->Doorbell); + doorbell &= MPI_IOC_STATE_MASK; + + drsprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "looking for READY STATE: doorbell=%x" + " count=%d\n", + ioc->name, doorbell, count)); + + if (doorbell == MPI_IOC_STATE_READY) { + return 1; + } + + /* wait 1 sec */ + if (sleepFlag == CAN_SLEEP) + msleep(1000); + else + mdelay(1000); + } + return -1; + } + + /* Use "Diagnostic reset" method! (only thing available!) */ + diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); + + if (ioc->debug_level & MPT_DEBUG) { + if (ioc->alt_ioc) + diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic); + dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG1: diag0=%08x, diag1=%08x\n", + ioc->name, diag0val, diag1val)); + } + + /* Do the reset if we are told to ignore the reset history + * or if the reset history is 0 + */ + if (ignore || !(diag0val & MPI_DIAG_RESET_HISTORY)) { + while ((diag0val & MPI_DIAG_DRWE) == 0) { + /* Write magic sequence to WriteSequence register + * Loop until in diagnostic mode + */ + CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF); + CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE); + CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE); + CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE); + CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE); + CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE); + + /* wait 100 msec */ + if (sleepFlag == CAN_SLEEP) { + msleep (100); + } else { + mdelay (100); + } + + count++; + if (count > 20) { + printk(MYIOC_s_ERR_FMT "Enable Diagnostic mode FAILED! (%02xh)\n", + ioc->name, diag0val); + return -2; + + } + + diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); + + dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Wrote magic DiagWriteEn sequence (%x)\n", + ioc->name, diag0val)); + } + + if (ioc->debug_level & MPT_DEBUG) { + if (ioc->alt_ioc) + diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic); + dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG2: diag0=%08x, diag1=%08x\n", + ioc->name, diag0val, diag1val)); + } + /* + * Disable the ARM (Bug fix) + * + */ + CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val | MPI_DIAG_DISABLE_ARM); + mdelay(1); + + /* + * Now hit the reset bit in the Diagnostic register + * (THE BIG HAMMER!) (Clears DRWE bit). + */ + CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val | MPI_DIAG_RESET_ADAPTER); + hard_reset_done = 1; + dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Diagnostic reset performed\n", + ioc->name)); + + /* + * Call each currently registered protocol IOC reset handler + * with pre-reset indication. + * NOTE: If we're doing _IOC_BRINGUP, there can be no + * MptResetHandlers[] registered yet. + */ + for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) { + if (MptResetHandlers[cb_idx]) { + mpt_signal_reset(cb_idx, + ioc, MPT_IOC_PRE_RESET); + if (ioc->alt_ioc) { + mpt_signal_reset(cb_idx, + ioc->alt_ioc, MPT_IOC_PRE_RESET); + } + } + } + + if (ioc->cached_fw) + cached_fw = (MpiFwHeader_t *)ioc->cached_fw; + else if (ioc->alt_ioc && ioc->alt_ioc->cached_fw) + cached_fw = (MpiFwHeader_t *)ioc->alt_ioc->cached_fw; + else + cached_fw = NULL; + if (cached_fw) { + /* If the DownloadBoot operation fails, the + * IOC will be left unusable. This is a fatal error + * case. _diag_reset will return < 0 + */ + for (count = 0; count < 30; count ++) { + diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); + if (!(diag0val & MPI_DIAG_RESET_ADAPTER)) { + break; + } + + dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "cached_fw: diag0val=%x count=%d\n", + ioc->name, diag0val, count)); + /* wait 1 sec */ + if (sleepFlag == CAN_SLEEP) { + msleep (1000); + } else { + mdelay (1000); + } + } + if ((count = mpt_downloadboot(ioc, cached_fw, sleepFlag)) < 0) { + printk(MYIOC_s_WARN_FMT + "firmware downloadboot failure (%d)!\n", ioc->name, count); + } + + } else { + /* Wait for FW to reload and for board + * to go to the READY state. + * Maximum wait is 60 seconds. + * If fail, no error will check again + * with calling program. + */ + for (count = 0; count < 60; count ++) { + doorbell = CHIPREG_READ32(&ioc->chip->Doorbell); + doorbell &= MPI_IOC_STATE_MASK; + + drsprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "looking for READY STATE: doorbell=%x" + " count=%d\n", ioc->name, doorbell, count)); + + if (doorbell == MPI_IOC_STATE_READY) { + break; + } + + /* wait 1 sec */ + if (sleepFlag == CAN_SLEEP) { + msleep (1000); + } else { + mdelay (1000); + } + } + + if (doorbell != MPI_IOC_STATE_READY) + printk(MYIOC_s_ERR_FMT "Failed to come READY " + "after reset! IocState=%x", ioc->name, + doorbell); + } + } + + diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); + if (ioc->debug_level & MPT_DEBUG) { + if (ioc->alt_ioc) + diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic); + dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG3: diag0=%08x, diag1=%08x\n", + ioc->name, diag0val, diag1val)); + } + + /* Clear RESET_HISTORY bit! Place board in the + * diagnostic mode to update the diag register. + */ + diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); + count = 0; + while ((diag0val & MPI_DIAG_DRWE) == 0) { + /* Write magic sequence to WriteSequence register + * Loop until in diagnostic mode + */ + CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF); + CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE); + CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE); + CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE); + CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE); + CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE); + + /* wait 100 msec */ + if (sleepFlag == CAN_SLEEP) { + msleep (100); + } else { + mdelay (100); + } + + count++; + if (count > 20) { + printk(MYIOC_s_ERR_FMT "Enable Diagnostic mode FAILED! (%02xh)\n", + ioc->name, diag0val); + break; + } + diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); + } + diag0val &= ~MPI_DIAG_RESET_HISTORY; + CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val); + diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); + if (diag0val & MPI_DIAG_RESET_HISTORY) { + printk(MYIOC_s_WARN_FMT "ResetHistory bit failed to clear!\n", + ioc->name); + } + + /* Disable Diagnostic Mode + */ + CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFFFFFFFF); + + /* Check FW reload status flags. + */ + diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); + if (diag0val & (MPI_DIAG_FLASH_BAD_SIG | MPI_DIAG_RESET_ADAPTER | MPI_DIAG_DISABLE_ARM)) { + printk(MYIOC_s_ERR_FMT "Diagnostic reset FAILED! (%02xh)\n", + ioc->name, diag0val); + return -3; + } + + if (ioc->debug_level & MPT_DEBUG) { + if (ioc->alt_ioc) + diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic); + dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG4: diag0=%08x, diag1=%08x\n", + ioc->name, diag0val, diag1val)); + } + + /* + * Reset flag that says we've enabled event notification + */ + ioc->facts.EventState = 0; + + if (ioc->alt_ioc) + ioc->alt_ioc->facts.EventState = 0; + + return hard_reset_done; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * SendIocReset - Send IOCReset request to MPT adapter. + * @ioc: Pointer to MPT_ADAPTER structure + * @reset_type: reset type, expected values are + * %MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET or %MPI_FUNCTION_IO_UNIT_RESET + * @sleepFlag: Specifies whether the process can sleep + * + * Send IOCReset request to the MPT adapter. + * + * Returns 0 for success, non-zero for failure. + */ +static int +SendIocReset(MPT_ADAPTER *ioc, u8 reset_type, int sleepFlag) +{ + int r; + u32 state; + int cntdn, count; + + drsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending IOC reset(0x%02x)!\n", + ioc->name, reset_type)); + CHIPREG_WRITE32(&ioc->chip->Doorbell, reset_type<<MPI_DOORBELL_FUNCTION_SHIFT); + if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) + return r; + + /* FW ACK'd request, wait for READY state + */ + count = 0; + cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 15; /* 15 seconds */ + + while ((state = mpt_GetIocState(ioc, 1)) != MPI_IOC_STATE_READY) { + cntdn--; + count++; + if (!cntdn) { + if (sleepFlag != CAN_SLEEP) + count *= 10; + + printk(MYIOC_s_ERR_FMT + "Wait IOC_READY state (0x%x) timeout(%d)!\n", + ioc->name, state, (int)((count+5)/HZ)); + return -ETIME; + } + + if (sleepFlag == CAN_SLEEP) { + msleep(1); + } else { + mdelay (1); /* 1 msec delay */ + } + } + + /* TODO! + * Cleanup all event stuff for this IOC; re-issue EventNotification + * request if needed. + */ + if (ioc->facts.Function) + ioc->facts.EventState = 0; + + return 0; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * initChainBuffers - Allocate memory for and initialize chain buffers + * @ioc: Pointer to MPT_ADAPTER structure + * + * Allocates memory for and initializes chain buffers, + * chain buffer control arrays and spinlock. + */ +static int +initChainBuffers(MPT_ADAPTER *ioc) +{ + u8 *mem; + int sz, ii, num_chain; + int scale, num_sge, numSGE; + + /* ReqToChain size must equal the req_depth + * index = req_idx + */ + if (ioc->ReqToChain == NULL) { + sz = ioc->req_depth * sizeof(int); + mem = kmalloc(sz, GFP_ATOMIC); + if (mem == NULL) + return -1; + + ioc->ReqToChain = (int *) mem; + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReqToChain alloc @ %p, sz=%d bytes\n", + ioc->name, mem, sz)); + mem = kmalloc(sz, GFP_ATOMIC); + if (mem == NULL) + return -1; + + ioc->RequestNB = (int *) mem; + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestNB alloc @ %p, sz=%d bytes\n", + ioc->name, mem, sz)); + } + for (ii = 0; ii < ioc->req_depth; ii++) { + ioc->ReqToChain[ii] = MPT_HOST_NO_CHAIN; + } + + /* ChainToChain size must equal the total number + * of chain buffers to be allocated. + * index = chain_idx + * + * Calculate the number of chain buffers needed(plus 1) per I/O + * then multiply the maximum number of simultaneous cmds + * + * num_sge = num sge in request frame + last chain buffer + * scale = num sge per chain buffer if no chain element + */ + scale = ioc->req_sz / ioc->SGE_size; + if (ioc->sg_addr_size == sizeof(u64)) + num_sge = scale + (ioc->req_sz - 60) / ioc->SGE_size; + else + num_sge = 1 + scale + (ioc->req_sz - 64) / ioc->SGE_size; + + if (ioc->sg_addr_size == sizeof(u64)) { + numSGE = (scale - 1) * (ioc->facts.MaxChainDepth-1) + scale + + (ioc->req_sz - 60) / ioc->SGE_size; + } else { + numSGE = 1 + (scale - 1) * (ioc->facts.MaxChainDepth-1) + + scale + (ioc->req_sz - 64) / ioc->SGE_size; + } + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "num_sge=%d numSGE=%d\n", + ioc->name, num_sge, numSGE)); + + if (ioc->bus_type == FC) { + if (numSGE > MPT_SCSI_FC_SG_DEPTH) + numSGE = MPT_SCSI_FC_SG_DEPTH; + } else { + if (numSGE > MPT_SCSI_SG_DEPTH) + numSGE = MPT_SCSI_SG_DEPTH; + } + + num_chain = 1; + while (numSGE - num_sge > 0) { + num_chain++; + num_sge += (scale - 1); + } + num_chain++; + + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Now numSGE=%d num_sge=%d num_chain=%d\n", + ioc->name, numSGE, num_sge, num_chain)); + + if (ioc->bus_type == SPI) + num_chain *= MPT_SCSI_CAN_QUEUE; + else if (ioc->bus_type == SAS) + num_chain *= MPT_SAS_CAN_QUEUE; + else + num_chain *= MPT_FC_CAN_QUEUE; + + ioc->num_chain = num_chain; + + sz = num_chain * sizeof(int); + if (ioc->ChainToChain == NULL) { + mem = kmalloc(sz, GFP_ATOMIC); + if (mem == NULL) + return -1; + + ioc->ChainToChain = (int *) mem; + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainToChain alloc @ %p, sz=%d bytes\n", + ioc->name, mem, sz)); + } else { + mem = (u8 *) ioc->ChainToChain; + } + memset(mem, 0xFF, sz); + return num_chain; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * PrimeIocFifos - Initialize IOC request and reply FIFOs. + * @ioc: Pointer to MPT_ADAPTER structure + * + * This routine allocates memory for the MPT reply and request frame + * pools (if necessary), and primes the IOC reply FIFO with + * reply frames. + * + * Returns 0 for success, non-zero for failure. + */ +static int +PrimeIocFifos(MPT_ADAPTER *ioc) +{ + MPT_FRAME_HDR *mf; + unsigned long flags; + dma_addr_t alloc_dma; + u8 *mem; + int i, reply_sz, sz, total_size, num_chain; + u64 dma_mask; + + dma_mask = 0; + + /* Prime reply FIFO... */ + + if (ioc->reply_frames == NULL) { + if ( (num_chain = initChainBuffers(ioc)) < 0) + return -1; + /* + * 1078 errata workaround for the 36GB limitation + */ + if (ioc->pcidev->device == MPI_MANUFACTPAGE_DEVID_SAS1078 && + ioc->dma_mask > DMA_BIT_MASK(35)) { + if (!dma_set_mask(&ioc->pcidev->dev, DMA_BIT_MASK(32)) + && !dma_set_coherent_mask(&ioc->pcidev->dev, DMA_BIT_MASK(32))) { + dma_mask = DMA_BIT_MASK(35); + d36memprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "setting 35 bit addressing for " + "Request/Reply/Chain and Sense Buffers\n", + ioc->name)); + } else { + /*Reseting DMA mask to 64 bit*/ + dma_set_mask(&ioc->pcidev->dev, + DMA_BIT_MASK(64)); + dma_set_coherent_mask(&ioc->pcidev->dev, + DMA_BIT_MASK(64)); + + printk(MYIOC_s_ERR_FMT + "failed setting 35 bit addressing for " + "Request/Reply/Chain and Sense Buffers\n", + ioc->name); + return -1; + } + } + + total_size = reply_sz = (ioc->reply_sz * ioc->reply_depth); + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffer sz=%d bytes, ReplyDepth=%d\n", + ioc->name, ioc->reply_sz, ioc->reply_depth)); + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffer sz=%d[%x] bytes\n", + ioc->name, reply_sz, reply_sz)); + + sz = (ioc->req_sz * ioc->req_depth); + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestBuffer sz=%d bytes, RequestDepth=%d\n", + ioc->name, ioc->req_sz, ioc->req_depth)); + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestBuffer sz=%d[%x] bytes\n", + ioc->name, sz, sz)); + total_size += sz; + + sz = num_chain * ioc->req_sz; /* chain buffer pool size */ + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainBuffer sz=%d bytes, ChainDepth=%d\n", + ioc->name, ioc->req_sz, num_chain)); + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainBuffer sz=%d[%x] bytes num_chain=%d\n", + ioc->name, sz, sz, num_chain)); + + total_size += sz; + mem = dma_alloc_coherent(&ioc->pcidev->dev, total_size, + &alloc_dma, GFP_KERNEL); + if (mem == NULL) { + printk(MYIOC_s_ERR_FMT "Unable to allocate Reply, Request, Chain Buffers!\n", + ioc->name); + goto out_fail; + } + + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Total alloc @ %p[%p], sz=%d[%x] bytes\n", + ioc->name, mem, (void *)(ulong)alloc_dma, total_size, total_size)); + + memset(mem, 0, total_size); + ioc->alloc_total += total_size; + ioc->alloc = mem; + ioc->alloc_dma = alloc_dma; + ioc->alloc_sz = total_size; + ioc->reply_frames = (MPT_FRAME_HDR *) mem; + ioc->reply_frames_low_dma = (u32) (alloc_dma & 0xFFFFFFFF); + + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffers @ %p[%p]\n", + ioc->name, ioc->reply_frames, (void *)(ulong)alloc_dma)); + + alloc_dma += reply_sz; + mem += reply_sz; + + /* Request FIFO - WE manage this! */ + + ioc->req_frames = (MPT_FRAME_HDR *) mem; + ioc->req_frames_dma = alloc_dma; + + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestBuffers @ %p[%p]\n", + ioc->name, mem, (void *)(ulong)alloc_dma)); + + ioc->req_frames_low_dma = (u32) (alloc_dma & 0xFFFFFFFF); + + for (i = 0; i < ioc->req_depth; i++) { + alloc_dma += ioc->req_sz; + mem += ioc->req_sz; + } + + ioc->ChainBuffer = mem; + ioc->ChainBufferDMA = alloc_dma; + + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainBuffers @ %p(%p)\n", + ioc->name, ioc->ChainBuffer, (void *)(ulong)ioc->ChainBufferDMA)); + + /* Initialize the free chain Q. + */ + + INIT_LIST_HEAD(&ioc->FreeChainQ); + + /* Post the chain buffers to the FreeChainQ. + */ + mem = (u8 *)ioc->ChainBuffer; + for (i=0; i < num_chain; i++) { + mf = (MPT_FRAME_HDR *) mem; + list_add_tail(&mf->u.frame.linkage.list, &ioc->FreeChainQ); + mem += ioc->req_sz; + } + + /* Initialize Request frames linked list + */ + alloc_dma = ioc->req_frames_dma; + mem = (u8 *) ioc->req_frames; + + spin_lock_irqsave(&ioc->FreeQlock, flags); + INIT_LIST_HEAD(&ioc->FreeQ); + for (i = 0; i < ioc->req_depth; i++) { + mf = (MPT_FRAME_HDR *) mem; + + /* Queue REQUESTs *internally*! */ + list_add_tail(&mf->u.frame.linkage.list, &ioc->FreeQ); + + mem += ioc->req_sz; + } + spin_unlock_irqrestore(&ioc->FreeQlock, flags); + + sz = (ioc->req_depth * MPT_SENSE_BUFFER_ALLOC); + ioc->sense_buf_pool = dma_alloc_coherent(&ioc->pcidev->dev, sz, + &ioc->sense_buf_pool_dma, GFP_KERNEL); + if (ioc->sense_buf_pool == NULL) { + printk(MYIOC_s_ERR_FMT "Unable to allocate Sense Buffers!\n", + ioc->name); + goto out_fail; + } + + ioc->sense_buf_low_dma = (u32) (ioc->sense_buf_pool_dma & 0xFFFFFFFF); + ioc->alloc_total += sz; + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SenseBuffers @ %p[%p]\n", + ioc->name, ioc->sense_buf_pool, (void *)(ulong)ioc->sense_buf_pool_dma)); + + } + + /* Post Reply frames to FIFO + */ + alloc_dma = ioc->alloc_dma; + dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffers @ %p[%p]\n", + ioc->name, ioc->reply_frames, (void *)(ulong)alloc_dma)); + + for (i = 0; i < ioc->reply_depth; i++) { + /* Write each address to the IOC! */ + CHIPREG_WRITE32(&ioc->chip->ReplyFifo, alloc_dma); + alloc_dma += ioc->reply_sz; + } + + if (dma_mask == DMA_BIT_MASK(35) && !dma_set_mask(&ioc->pcidev->dev, + ioc->dma_mask) && !dma_set_coherent_mask(&ioc->pcidev->dev, + ioc->dma_mask)) + d36memprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "restoring 64 bit addressing\n", ioc->name)); + + return 0; + +out_fail: + + if (ioc->alloc != NULL) { + sz = ioc->alloc_sz; + dma_free_coherent(&ioc->pcidev->dev, sz, ioc->alloc, + ioc->alloc_dma); + ioc->reply_frames = NULL; + ioc->req_frames = NULL; + ioc->alloc_total -= sz; + } + if (ioc->sense_buf_pool != NULL) { + sz = (ioc->req_depth * MPT_SENSE_BUFFER_ALLOC); + dma_free_coherent(&ioc->pcidev->dev, sz, ioc->sense_buf_pool, + ioc->sense_buf_pool_dma); + ioc->sense_buf_pool = NULL; + } + + if (dma_mask == DMA_BIT_MASK(35) && !dma_set_mask(&ioc->pcidev->dev, + DMA_BIT_MASK(64)) && !dma_set_coherent_mask(&ioc->pcidev->dev, + DMA_BIT_MASK(64))) + d36memprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "restoring 64 bit addressing\n", ioc->name)); + + return -1; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_handshake_req_reply_wait - Send MPT request to and receive reply + * from IOC via doorbell handshake method. + * @ioc: Pointer to MPT_ADAPTER structure + * @reqBytes: Size of the request in bytes + * @req: Pointer to MPT request frame + * @replyBytes: Expected size of the reply in bytes + * @u16reply: Pointer to area where reply should be written + * @maxwait: Max wait time for a reply (in seconds) + * @sleepFlag: Specifies whether the process can sleep + * + * NOTES: It is the callers responsibility to byte-swap fields in the + * request which are greater than 1 byte in size. It is also the + * callers responsibility to byte-swap response fields which are + * greater than 1 byte in size. + * + * Returns 0 for success, non-zero for failure. + */ +static int +mpt_handshake_req_reply_wait(MPT_ADAPTER *ioc, int reqBytes, u32 *req, + int replyBytes, u16 *u16reply, int maxwait, int sleepFlag) +{ + MPIDefaultReply_t *mptReply; + int failcnt = 0; + int t; + + /* + * Get ready to cache a handshake reply + */ + ioc->hs_reply_idx = 0; + mptReply = (MPIDefaultReply_t *) ioc->hs_reply; + mptReply->MsgLength = 0; + + /* + * Make sure there are no doorbells (WRITE 0 to IntStatus reg), + * then tell IOC that we want to handshake a request of N words. + * (WRITE u32val to Doorbell reg). + */ + CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); + CHIPREG_WRITE32(&ioc->chip->Doorbell, + ((MPI_FUNCTION_HANDSHAKE<<MPI_DOORBELL_FUNCTION_SHIFT) | + ((reqBytes/4)<<MPI_DOORBELL_ADD_DWORDS_SHIFT))); + + /* + * Wait for IOC's doorbell handshake int + */ + if ((t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0) + failcnt++; + + dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HandShake request start reqBytes=%d, WaitCnt=%d%s\n", + ioc->name, reqBytes, t, failcnt ? " - MISSING DOORBELL HANDSHAKE!" : "")); + + /* Read doorbell and check for active bit */ + if (!(CHIPREG_READ32(&ioc->chip->Doorbell) & MPI_DOORBELL_ACTIVE)) + return -1; + + /* + * Clear doorbell int (WRITE 0 to IntStatus reg), + * then wait for IOC to ACKnowledge that it's ready for + * our handshake request. + */ + CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); + if (!failcnt && (t = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) + failcnt++; + + if (!failcnt) { + int ii; + u8 *req_as_bytes = (u8 *) req; + + /* + * Stuff request words via doorbell handshake, + * with ACK from IOC for each. + */ + for (ii = 0; !failcnt && ii < reqBytes/4; ii++) { + u32 word = ((req_as_bytes[(ii*4) + 0] << 0) | + (req_as_bytes[(ii*4) + 1] << 8) | + (req_as_bytes[(ii*4) + 2] << 16) | + (req_as_bytes[(ii*4) + 3] << 24)); + + CHIPREG_WRITE32(&ioc->chip->Doorbell, word); + if ((t = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) + failcnt++; + } + + dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Handshake request frame (@%p) header\n", ioc->name, req)); + DBG_DUMP_REQUEST_FRAME_HDR(ioc, (u32 *)req); + + dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HandShake request post done, WaitCnt=%d%s\n", + ioc->name, t, failcnt ? " - MISSING DOORBELL ACK!" : "")); + + /* + * Wait for completion of doorbell handshake reply from the IOC + */ + if (!failcnt && (t = WaitForDoorbellReply(ioc, maxwait, sleepFlag)) < 0) + failcnt++; + + dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HandShake reply count=%d%s\n", + ioc->name, t, failcnt ? " - MISSING DOORBELL REPLY!" : "")); + + /* + * Copy out the cached reply... + */ + for (ii=0; ii < min(replyBytes/2,mptReply->MsgLength*2); ii++) + u16reply[ii] = ioc->hs_reply[ii]; + } else { + return -99; + } + + return -failcnt; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * WaitForDoorbellAck - Wait for IOC doorbell handshake acknowledge + * @ioc: Pointer to MPT_ADAPTER structure + * @howlong: How long to wait (in seconds) + * @sleepFlag: Specifies whether the process can sleep + * + * This routine waits (up to ~2 seconds max) for IOC doorbell + * handshake ACKnowledge, indicated by the IOP_DOORBELL_STATUS + * bit in its IntStatus register being clear. + * + * Returns a negative value on failure, else wait loop count. + */ +static int +WaitForDoorbellAck(MPT_ADAPTER *ioc, int howlong, int sleepFlag) +{ + int cntdn; + int count = 0; + u32 intstat=0; + + cntdn = 1000 * howlong; + + if (sleepFlag == CAN_SLEEP) { + while (--cntdn) { + msleep (1); + intstat = CHIPREG_READ32(&ioc->chip->IntStatus); + if (! (intstat & MPI_HIS_IOP_DOORBELL_STATUS)) + break; + count++; + } + } else { + while (--cntdn) { + udelay (1000); + intstat = CHIPREG_READ32(&ioc->chip->IntStatus); + if (! (intstat & MPI_HIS_IOP_DOORBELL_STATUS)) + break; + count++; + } + } + + if (cntdn) { + dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitForDoorbell ACK (count=%d)\n", + ioc->name, count)); + return count; + } + + printk(MYIOC_s_ERR_FMT "Doorbell ACK timeout (count=%d), IntStatus=%x!\n", + ioc->name, count, intstat); + return -1; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * WaitForDoorbellInt - Wait for IOC to set its doorbell interrupt bit + * @ioc: Pointer to MPT_ADAPTER structure + * @howlong: How long to wait (in seconds) + * @sleepFlag: Specifies whether the process can sleep + * + * This routine waits (up to ~2 seconds max) for IOC doorbell interrupt + * (MPI_HIS_DOORBELL_INTERRUPT) to be set in the IntStatus register. + * + * Returns a negative value on failure, else wait loop count. + */ +static int +WaitForDoorbellInt(MPT_ADAPTER *ioc, int howlong, int sleepFlag) +{ + int cntdn; + int count = 0; + u32 intstat=0; + + cntdn = 1000 * howlong; + if (sleepFlag == CAN_SLEEP) { + while (--cntdn) { + intstat = CHIPREG_READ32(&ioc->chip->IntStatus); + if (intstat & MPI_HIS_DOORBELL_INTERRUPT) + break; + msleep(1); + count++; + } + } else { + while (--cntdn) { + intstat = CHIPREG_READ32(&ioc->chip->IntStatus); + if (intstat & MPI_HIS_DOORBELL_INTERRUPT) + break; + udelay (1000); + count++; + } + } + + if (cntdn) { + dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitForDoorbell INT (cnt=%d) howlong=%d\n", + ioc->name, count, howlong)); + return count; + } + + printk(MYIOC_s_ERR_FMT "Doorbell INT timeout (count=%d), IntStatus=%x!\n", + ioc->name, count, intstat); + return -1; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * WaitForDoorbellReply - Wait for and capture an IOC handshake reply. + * @ioc: Pointer to MPT_ADAPTER structure + * @howlong: How long to wait (in seconds) + * @sleepFlag: Specifies whether the process can sleep + * + * This routine polls the IOC for a handshake reply, 16 bits at a time. + * Reply is cached to IOC private area large enough to hold a maximum + * of 128 bytes of reply data. + * + * Returns a negative value on failure, else size of reply in WORDS. + */ +static int +WaitForDoorbellReply(MPT_ADAPTER *ioc, int howlong, int sleepFlag) +{ + int u16cnt = 0; + int failcnt = 0; + int t; + u16 *hs_reply = ioc->hs_reply; + volatile MPIDefaultReply_t *mptReply = (MPIDefaultReply_t *) ioc->hs_reply; + u16 hword; + + hs_reply[0] = hs_reply[1] = hs_reply[7] = 0; + + /* + * Get first two u16's so we can look at IOC's intended reply MsgLength + */ + u16cnt=0; + if ((t = WaitForDoorbellInt(ioc, howlong, sleepFlag)) < 0) { + failcnt++; + } else { + hs_reply[u16cnt++] = le16_to_cpu(CHIPREG_READ32(&ioc->chip->Doorbell) & 0x0000FFFF); + CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); + if ((t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0) + failcnt++; + else { + hs_reply[u16cnt++] = le16_to_cpu(CHIPREG_READ32(&ioc->chip->Doorbell) & 0x0000FFFF); + CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); + } + } + + dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitCnt=%d First handshake reply word=%08x%s\n", + ioc->name, t, le32_to_cpu(*(u32 *)hs_reply), + failcnt ? " - MISSING DOORBELL HANDSHAKE!" : "")); + + /* + * If no error (and IOC said MsgLength is > 0), piece together + * reply 16 bits at a time. + */ + for (u16cnt=2; !failcnt && u16cnt < (2 * mptReply->MsgLength); u16cnt++) { + if ((t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0) + failcnt++; + hword = le16_to_cpu(CHIPREG_READ32(&ioc->chip->Doorbell) & 0x0000FFFF); + /* don't overflow our IOC hs_reply[] buffer! */ + if (u16cnt < ARRAY_SIZE(ioc->hs_reply)) + hs_reply[u16cnt] = hword; + CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); + } + + if (!failcnt && (t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0) + failcnt++; + CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); + + if (failcnt) { + printk(MYIOC_s_ERR_FMT "Handshake reply failure!\n", + ioc->name); + return -failcnt; + } +#if 0 + else if (u16cnt != (2 * mptReply->MsgLength)) { + return -101; + } + else if ((mptReply->IOCStatus & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) { + return -102; + } +#endif + + dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Got Handshake reply:\n", ioc->name)); + DBG_DUMP_REPLY_FRAME(ioc, (u32 *)mptReply); + + dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitForDoorbell REPLY WaitCnt=%d (sz=%d)\n", + ioc->name, t, u16cnt/2)); + return u16cnt/2; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * GetLanConfigPages - Fetch LANConfig pages. + * @ioc: Pointer to MPT_ADAPTER structure + * + * Return: 0 for success + * -ENOMEM if no memory available + * -EPERM if not allowed due to ISR context + * -EAGAIN if no msg frames currently available + * -EFAULT for non-successful reply or no reply (timeout) + */ +static int +GetLanConfigPages(MPT_ADAPTER *ioc) +{ + ConfigPageHeader_t hdr; + CONFIGPARMS cfg; + LANPage0_t *ppage0_alloc; + dma_addr_t page0_dma; + LANPage1_t *ppage1_alloc; + dma_addr_t page1_dma; + int rc = 0; + int data_sz; + int copy_sz; + + /* Get LAN Page 0 header */ + hdr.PageVersion = 0; + hdr.PageLength = 0; + hdr.PageNumber = 0; + hdr.PageType = MPI_CONFIG_PAGETYPE_LAN; + cfg.cfghdr.hdr = &hdr; + cfg.physAddr = -1; + cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; + cfg.dir = 0; + cfg.pageAddr = 0; + cfg.timeout = 0; + + if ((rc = mpt_config(ioc, &cfg)) != 0) + return rc; + + if (hdr.PageLength > 0) { + data_sz = hdr.PageLength * 4; + ppage0_alloc = dma_alloc_coherent(&ioc->pcidev->dev, data_sz, + &page0_dma, GFP_KERNEL); + rc = -ENOMEM; + if (ppage0_alloc) { + memset((u8 *)ppage0_alloc, 0, data_sz); + cfg.physAddr = page0_dma; + cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; + + if ((rc = mpt_config(ioc, &cfg)) == 0) { + /* save the data */ + copy_sz = min_t(int, sizeof(LANPage0_t), data_sz); + memcpy(&ioc->lan_cnfg_page0, ppage0_alloc, copy_sz); + + } + + dma_free_coherent(&ioc->pcidev->dev, data_sz, + (u8 *)ppage0_alloc, page0_dma); + + /* FIXME! + * Normalize endianness of structure data, + * by byte-swapping all > 1 byte fields! + */ + + } + + if (rc) + return rc; + } + + /* Get LAN Page 1 header */ + hdr.PageVersion = 0; + hdr.PageLength = 0; + hdr.PageNumber = 1; + hdr.PageType = MPI_CONFIG_PAGETYPE_LAN; + cfg.cfghdr.hdr = &hdr; + cfg.physAddr = -1; + cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; + cfg.dir = 0; + cfg.pageAddr = 0; + + if ((rc = mpt_config(ioc, &cfg)) != 0) + return rc; + + if (hdr.PageLength == 0) + return 0; + + data_sz = hdr.PageLength * 4; + rc = -ENOMEM; + ppage1_alloc = dma_alloc_coherent(&ioc->pcidev->dev, data_sz, + &page1_dma, GFP_KERNEL); + if (ppage1_alloc) { + memset((u8 *)ppage1_alloc, 0, data_sz); + cfg.physAddr = page1_dma; + cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; + + if ((rc = mpt_config(ioc, &cfg)) == 0) { + /* save the data */ + copy_sz = min_t(int, sizeof(LANPage1_t), data_sz); + memcpy(&ioc->lan_cnfg_page1, ppage1_alloc, copy_sz); + } + + dma_free_coherent(&ioc->pcidev->dev, data_sz, + (u8 *)ppage1_alloc, page1_dma); + + /* FIXME! + * Normalize endianness of structure data, + * by byte-swapping all > 1 byte fields! + */ + + } + + return rc; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mptbase_sas_persist_operation - Perform operation on SAS Persistent Table + * @ioc: Pointer to MPT_ADAPTER structure + * @persist_opcode: see below + * + * =============================== ====================================== + * MPI_SAS_OP_CLEAR_NOT_PRESENT Free all persist TargetID mappings for + * devices not currently present. + * MPI_SAS_OP_CLEAR_ALL_PERSISTENT Clear al persist TargetID mappings + * =============================== ====================================== + * + * NOTE: Don't use not this function during interrupt time. + * + * Returns 0 for success, non-zero error + */ + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +int +mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode) +{ + SasIoUnitControlRequest_t *sasIoUnitCntrReq; + SasIoUnitControlReply_t *sasIoUnitCntrReply; + MPT_FRAME_HDR *mf = NULL; + MPIHeader_t *mpi_hdr; + int ret = 0; + unsigned long timeleft; + + mutex_lock(&ioc->mptbase_cmds.mutex); + + /* init the internal cmd struct */ + memset(ioc->mptbase_cmds.reply, 0 , MPT_DEFAULT_FRAME_SIZE); + INITIALIZE_MGMT_STATUS(ioc->mptbase_cmds.status) + + /* insure garbage is not sent to fw */ + switch(persist_opcode) { + + case MPI_SAS_OP_CLEAR_NOT_PRESENT: + case MPI_SAS_OP_CLEAR_ALL_PERSISTENT: + break; + + default: + ret = -1; + goto out; + } + + printk(KERN_DEBUG "%s: persist_opcode=%x\n", + __func__, persist_opcode); + + /* Get a MF for this command. + */ + if ((mf = mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) { + printk(KERN_DEBUG "%s: no msg frames!\n", __func__); + ret = -1; + goto out; + } + + mpi_hdr = (MPIHeader_t *) mf; + sasIoUnitCntrReq = (SasIoUnitControlRequest_t *)mf; + memset(sasIoUnitCntrReq,0,sizeof(SasIoUnitControlRequest_t)); + sasIoUnitCntrReq->Function = MPI_FUNCTION_SAS_IO_UNIT_CONTROL; + sasIoUnitCntrReq->MsgContext = mpi_hdr->MsgContext; + sasIoUnitCntrReq->Operation = persist_opcode; + + mpt_put_msg_frame(mpt_base_index, ioc, mf); + timeleft = wait_for_completion_timeout(&ioc->mptbase_cmds.done, 10*HZ); + if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { + ret = -ETIME; + printk(KERN_DEBUG "%s: failed\n", __func__); + if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) + goto out; + if (!timeleft) { + printk(MYIOC_s_WARN_FMT + "Issuing Reset from %s!!, doorbell=0x%08x\n", + ioc->name, __func__, mpt_GetIocState(ioc, 0)); + mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); + mpt_free_msg_frame(ioc, mf); + } + goto out; + } + + if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_RF_VALID)) { + ret = -1; + goto out; + } + + sasIoUnitCntrReply = + (SasIoUnitControlReply_t *)ioc->mptbase_cmds.reply; + if (le16_to_cpu(sasIoUnitCntrReply->IOCStatus) != MPI_IOCSTATUS_SUCCESS) { + printk(KERN_DEBUG "%s: IOCStatus=0x%X IOCLogInfo=0x%X\n", + __func__, sasIoUnitCntrReply->IOCStatus, + sasIoUnitCntrReply->IOCLogInfo); + printk(KERN_DEBUG "%s: failed\n", __func__); + ret = -1; + } else + printk(KERN_DEBUG "%s: success\n", __func__); + out: + + CLEAR_MGMT_STATUS(ioc->mptbase_cmds.status) + mutex_unlock(&ioc->mptbase_cmds.mutex); + return ret; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ + +static void +mptbase_raid_process_event_data(MPT_ADAPTER *ioc, + MpiEventDataRaid_t * pRaidEventData) +{ + int volume; + int reason; + int disk; + int status; + int flags; + int state; + + volume = pRaidEventData->VolumeID; + reason = pRaidEventData->ReasonCode; + disk = pRaidEventData->PhysDiskNum; + status = le32_to_cpu(pRaidEventData->SettingsStatus); + flags = (status >> 0) & 0xff; + state = (status >> 8) & 0xff; + + if (reason == MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED) { + return; + } + + if ((reason >= MPI_EVENT_RAID_RC_PHYSDISK_CREATED && + reason <= MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED) || + (reason == MPI_EVENT_RAID_RC_SMART_DATA)) { + printk(MYIOC_s_INFO_FMT "RAID STATUS CHANGE for PhysDisk %d id=%d\n", + ioc->name, disk, volume); + } else { + printk(MYIOC_s_INFO_FMT "RAID STATUS CHANGE for VolumeID %d\n", + ioc->name, volume); + } + + switch(reason) { + case MPI_EVENT_RAID_RC_VOLUME_CREATED: + printk(MYIOC_s_INFO_FMT " volume has been created\n", + ioc->name); + break; + + case MPI_EVENT_RAID_RC_VOLUME_DELETED: + + printk(MYIOC_s_INFO_FMT " volume has been deleted\n", + ioc->name); + break; + + case MPI_EVENT_RAID_RC_VOLUME_SETTINGS_CHANGED: + printk(MYIOC_s_INFO_FMT " volume settings have been changed\n", + ioc->name); + break; + + case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED: + printk(MYIOC_s_INFO_FMT " volume is now %s%s%s%s\n", + ioc->name, + state == MPI_RAIDVOL0_STATUS_STATE_OPTIMAL + ? "optimal" + : state == MPI_RAIDVOL0_STATUS_STATE_DEGRADED + ? "degraded" + : state == MPI_RAIDVOL0_STATUS_STATE_FAILED + ? "failed" + : "state unknown", + flags & MPI_RAIDVOL0_STATUS_FLAG_ENABLED + ? ", enabled" : "", + flags & MPI_RAIDVOL0_STATUS_FLAG_QUIESCED + ? ", quiesced" : "", + flags & MPI_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS + ? ", resync in progress" : "" ); + break; + + case MPI_EVENT_RAID_RC_VOLUME_PHYSDISK_CHANGED: + printk(MYIOC_s_INFO_FMT " volume membership of PhysDisk %d has changed\n", + ioc->name, disk); + break; + + case MPI_EVENT_RAID_RC_PHYSDISK_CREATED: + printk(MYIOC_s_INFO_FMT " PhysDisk has been created\n", + ioc->name); + break; + + case MPI_EVENT_RAID_RC_PHYSDISK_DELETED: + printk(MYIOC_s_INFO_FMT " PhysDisk has been deleted\n", + ioc->name); + break; + + case MPI_EVENT_RAID_RC_PHYSDISK_SETTINGS_CHANGED: + printk(MYIOC_s_INFO_FMT " PhysDisk settings have been changed\n", + ioc->name); + break; + + case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED: + printk(MYIOC_s_INFO_FMT " PhysDisk is now %s%s%s\n", + ioc->name, + state == MPI_PHYSDISK0_STATUS_ONLINE + ? "online" + : state == MPI_PHYSDISK0_STATUS_MISSING + ? "missing" + : state == MPI_PHYSDISK0_STATUS_NOT_COMPATIBLE + ? "not compatible" + : state == MPI_PHYSDISK0_STATUS_FAILED + ? "failed" + : state == MPI_PHYSDISK0_STATUS_INITIALIZING + ? "initializing" + : state == MPI_PHYSDISK0_STATUS_OFFLINE_REQUESTED + ? "offline requested" + : state == MPI_PHYSDISK0_STATUS_FAILED_REQUESTED + ? "failed requested" + : state == MPI_PHYSDISK0_STATUS_OTHER_OFFLINE + ? "offline" + : "state unknown", + flags & MPI_PHYSDISK0_STATUS_FLAG_OUT_OF_SYNC + ? ", out of sync" : "", + flags & MPI_PHYSDISK0_STATUS_FLAG_QUIESCED + ? ", quiesced" : "" ); + break; + + case MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED: + printk(MYIOC_s_INFO_FMT " Domain Validation needed for PhysDisk %d\n", + ioc->name, disk); + break; + + case MPI_EVENT_RAID_RC_SMART_DATA: + printk(MYIOC_s_INFO_FMT " SMART data received, ASC/ASCQ = %02xh/%02xh\n", + ioc->name, pRaidEventData->ASC, pRaidEventData->ASCQ); + break; + + case MPI_EVENT_RAID_RC_REPLACE_ACTION_STARTED: + printk(MYIOC_s_INFO_FMT " replacement of PhysDisk %d has started\n", + ioc->name, disk); + break; + } +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * GetIoUnitPage2 - Retrieve BIOS version and boot order information. + * @ioc: Pointer to MPT_ADAPTER structure + * + * Returns: 0 for success + * -ENOMEM if no memory available + * -EPERM if not allowed due to ISR context + * -EAGAIN if no msg frames currently available + * -EFAULT for non-successful reply or no reply (timeout) + */ +static int +GetIoUnitPage2(MPT_ADAPTER *ioc) +{ + ConfigPageHeader_t hdr; + CONFIGPARMS cfg; + IOUnitPage2_t *ppage_alloc; + dma_addr_t page_dma; + int data_sz; + int rc; + + /* Get the page header */ + hdr.PageVersion = 0; + hdr.PageLength = 0; + hdr.PageNumber = 2; + hdr.PageType = MPI_CONFIG_PAGETYPE_IO_UNIT; + cfg.cfghdr.hdr = &hdr; + cfg.physAddr = -1; + cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; + cfg.dir = 0; + cfg.pageAddr = 0; + cfg.timeout = 0; + + if ((rc = mpt_config(ioc, &cfg)) != 0) + return rc; + + if (hdr.PageLength == 0) + return 0; + + /* Read the config page */ + data_sz = hdr.PageLength * 4; + rc = -ENOMEM; + ppage_alloc = dma_alloc_coherent(&ioc->pcidev->dev, data_sz, + &page_dma, GFP_KERNEL); + if (ppage_alloc) { + memset((u8 *)ppage_alloc, 0, data_sz); + cfg.physAddr = page_dma; + cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; + + /* If Good, save data */ + if ((rc = mpt_config(ioc, &cfg)) == 0) + ioc->biosVersion = le32_to_cpu(ppage_alloc->BiosVersion); + + dma_free_coherent(&ioc->pcidev->dev, data_sz, + (u8 *)ppage_alloc, page_dma); + } + + return rc; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_GetScsiPortSettings - read SCSI Port Page 0 and 2 + * @ioc: Pointer to a Adapter Strucutre + * @portnum: IOC port number + * + * Return: -EFAULT if read of config page header fails + * or if no nvram + * If read of SCSI Port Page 0 fails, + * NVRAM = MPT_HOST_NVRAM_INVALID (0xFFFFFFFF) + * Adapter settings: async, narrow + * Return 1 + * If read of SCSI Port Page 2 fails, + * Adapter settings valid + * NVRAM = MPT_HOST_NVRAM_INVALID (0xFFFFFFFF) + * Return 1 + * Else + * Both valid + * Return 0 + * CHECK - what type of locking mechanisms should be used???? + */ +static int +mpt_GetScsiPortSettings(MPT_ADAPTER *ioc, int portnum) +{ + u8 *pbuf; + dma_addr_t buf_dma; + CONFIGPARMS cfg; + ConfigPageHeader_t header; + int ii; + int data, rc = 0; + + /* Allocate memory + */ + if (!ioc->spi_data.nvram) { + int sz; + u8 *mem; + sz = MPT_MAX_SCSI_DEVICES * sizeof(int); + mem = kmalloc(sz, GFP_ATOMIC); + if (mem == NULL) + return -EFAULT; + + ioc->spi_data.nvram = (int *) mem; + + dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SCSI device NVRAM settings @ %p, sz=%d\n", + ioc->name, ioc->spi_data.nvram, sz)); + } + + /* Invalidate NVRAM information + */ + for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) { + ioc->spi_data.nvram[ii] = MPT_HOST_NVRAM_INVALID; + } + + /* Read SPP0 header, allocate memory, then read page. + */ + header.PageVersion = 0; + header.PageLength = 0; + header.PageNumber = 0; + header.PageType = MPI_CONFIG_PAGETYPE_SCSI_PORT; + cfg.cfghdr.hdr = &header; + cfg.physAddr = -1; + cfg.pageAddr = portnum; + cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; + cfg.dir = 0; + cfg.timeout = 0; /* use default */ + if (mpt_config(ioc, &cfg) != 0) + return -EFAULT; + + if (header.PageLength > 0) { + pbuf = dma_alloc_coherent(&ioc->pcidev->dev, + header.PageLength * 4, &buf_dma, + GFP_KERNEL); + if (pbuf) { + cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; + cfg.physAddr = buf_dma; + if (mpt_config(ioc, &cfg) != 0) { + ioc->spi_data.maxBusWidth = MPT_NARROW; + ioc->spi_data.maxSyncOffset = 0; + ioc->spi_data.minSyncFactor = MPT_ASYNC; + ioc->spi_data.busType = MPT_HOST_BUS_UNKNOWN; + rc = 1; + ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "Unable to read PortPage0 minSyncFactor=%x\n", + ioc->name, ioc->spi_data.minSyncFactor)); + } else { + /* Save the Port Page 0 data + */ + SCSIPortPage0_t *pPP0 = (SCSIPortPage0_t *) pbuf; + pPP0->Capabilities = le32_to_cpu(pPP0->Capabilities); + pPP0->PhysicalInterface = le32_to_cpu(pPP0->PhysicalInterface); + + if ( (pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_QAS) == 0 ) { + ioc->spi_data.noQas |= MPT_TARGET_NO_NEGO_QAS; + ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "noQas due to Capabilities=%x\n", + ioc->name, pPP0->Capabilities)); + } + ioc->spi_data.maxBusWidth = pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_WIDE ? 1 : 0; + data = pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_MAX_SYNC_OFFSET_MASK; + if (data) { + ioc->spi_data.maxSyncOffset = (u8) (data >> 16); + data = pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_MIN_SYNC_PERIOD_MASK; + ioc->spi_data.minSyncFactor = (u8) (data >> 8); + ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "PortPage0 minSyncFactor=%x\n", + ioc->name, ioc->spi_data.minSyncFactor)); + } else { + ioc->spi_data.maxSyncOffset = 0; + ioc->spi_data.minSyncFactor = MPT_ASYNC; + } + + ioc->spi_data.busType = pPP0->PhysicalInterface & MPI_SCSIPORTPAGE0_PHY_SIGNAL_TYPE_MASK; + + /* Update the minSyncFactor based on bus type. + */ + if ((ioc->spi_data.busType == MPI_SCSIPORTPAGE0_PHY_SIGNAL_HVD) || + (ioc->spi_data.busType == MPI_SCSIPORTPAGE0_PHY_SIGNAL_SE)) { + + if (ioc->spi_data.minSyncFactor < MPT_ULTRA) { + ioc->spi_data.minSyncFactor = MPT_ULTRA; + ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "HVD or SE detected, minSyncFactor=%x\n", + ioc->name, ioc->spi_data.minSyncFactor)); + } + } + } + if (pbuf) { + dma_free_coherent(&ioc->pcidev->dev, + header.PageLength * 4, pbuf, + buf_dma); + } + } + } + + /* SCSI Port Page 2 - Read the header then the page. + */ + header.PageVersion = 0; + header.PageLength = 0; + header.PageNumber = 2; + header.PageType = MPI_CONFIG_PAGETYPE_SCSI_PORT; + cfg.cfghdr.hdr = &header; + cfg.physAddr = -1; + cfg.pageAddr = portnum; + cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; + cfg.dir = 0; + if (mpt_config(ioc, &cfg) != 0) + return -EFAULT; + + if (header.PageLength > 0) { + /* Allocate memory and read SCSI Port Page 2 + */ + pbuf = dma_alloc_coherent(&ioc->pcidev->dev, + header.PageLength * 4, &buf_dma, + GFP_KERNEL); + if (pbuf) { + cfg.action = MPI_CONFIG_ACTION_PAGE_READ_NVRAM; + cfg.physAddr = buf_dma; + if (mpt_config(ioc, &cfg) != 0) { + /* Nvram data is left with INVALID mark + */ + rc = 1; + } else if (ioc->pcidev->vendor == PCI_VENDOR_ID_ATTO) { + + /* This is an ATTO adapter, read Page2 accordingly + */ + ATTO_SCSIPortPage2_t *pPP2 = (ATTO_SCSIPortPage2_t *) pbuf; + ATTODeviceInfo_t *pdevice = NULL; + u16 ATTOFlags; + + /* Save the Port Page 2 data + * (reformat into a 32bit quantity) + */ + for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) { + pdevice = &pPP2->DeviceSettings[ii]; + ATTOFlags = le16_to_cpu(pdevice->ATTOFlags); + data = 0; + + /* Translate ATTO device flags to LSI format + */ + if (ATTOFlags & ATTOFLAG_DISC) + data |= (MPI_SCSIPORTPAGE2_DEVICE_DISCONNECT_ENABLE); + if (ATTOFlags & ATTOFLAG_ID_ENB) + data |= (MPI_SCSIPORTPAGE2_DEVICE_ID_SCAN_ENABLE); + if (ATTOFlags & ATTOFLAG_LUN_ENB) + data |= (MPI_SCSIPORTPAGE2_DEVICE_LUN_SCAN_ENABLE); + if (ATTOFlags & ATTOFLAG_TAGGED) + data |= (MPI_SCSIPORTPAGE2_DEVICE_TAG_QUEUE_ENABLE); + if (!(ATTOFlags & ATTOFLAG_WIDE_ENB)) + data |= (MPI_SCSIPORTPAGE2_DEVICE_WIDE_DISABLE); + + data = (data << 16) | (pdevice->Period << 8) | 10; + ioc->spi_data.nvram[ii] = data; + } + } else { + SCSIPortPage2_t *pPP2 = (SCSIPortPage2_t *) pbuf; + MpiDeviceInfo_t *pdevice = NULL; + + /* + * Save "Set to Avoid SCSI Bus Resets" flag + */ + ioc->spi_data.bus_reset = + (le32_to_cpu(pPP2->PortFlags) & + MPI_SCSIPORTPAGE2_PORT_FLAGS_AVOID_SCSI_RESET) ? + 0 : 1 ; + + /* Save the Port Page 2 data + * (reformat into a 32bit quantity) + */ + data = le32_to_cpu(pPP2->PortFlags) & MPI_SCSIPORTPAGE2_PORT_FLAGS_DV_MASK; + ioc->spi_data.PortFlags = data; + for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) { + pdevice = &pPP2->DeviceSettings[ii]; + data = (le16_to_cpu(pdevice->DeviceFlags) << 16) | + (pdevice->SyncFactor << 8) | pdevice->Timeout; + ioc->spi_data.nvram[ii] = data; + } + } + + dma_free_coherent(&ioc->pcidev->dev, + header.PageLength * 4, pbuf, + buf_dma); + } + } + + /* Update Adapter limits with those from NVRAM + * Comment: Don't need to do this. Target performance + * parameters will never exceed the adapters limits. + */ + + return rc; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_readScsiDevicePageHeaders - save version and length of SDP1 + * @ioc: Pointer to a Adapter Strucutre + * @portnum: IOC port number + * + * Return: -EFAULT if read of config page header fails + * or 0 if success. + */ +static int +mpt_readScsiDevicePageHeaders(MPT_ADAPTER *ioc, int portnum) +{ + CONFIGPARMS cfg; + ConfigPageHeader_t header; + + /* Read the SCSI Device Page 1 header + */ + header.PageVersion = 0; + header.PageLength = 0; + header.PageNumber = 1; + header.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; + cfg.cfghdr.hdr = &header; + cfg.physAddr = -1; + cfg.pageAddr = portnum; + cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; + cfg.dir = 0; + cfg.timeout = 0; + if (mpt_config(ioc, &cfg) != 0) + return -EFAULT; + + ioc->spi_data.sdp1version = cfg.cfghdr.hdr->PageVersion; + ioc->spi_data.sdp1length = cfg.cfghdr.hdr->PageLength; + + header.PageVersion = 0; + header.PageLength = 0; + header.PageNumber = 0; + header.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; + if (mpt_config(ioc, &cfg) != 0) + return -EFAULT; + + ioc->spi_data.sdp0version = cfg.cfghdr.hdr->PageVersion; + ioc->spi_data.sdp0length = cfg.cfghdr.hdr->PageLength; + + dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Headers: 0: version %d length %d\n", + ioc->name, ioc->spi_data.sdp0version, ioc->spi_data.sdp0length)); + + dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Headers: 1: version %d length %d\n", + ioc->name, ioc->spi_data.sdp1version, ioc->spi_data.sdp1length)); + return 0; +} + +/** + * mpt_inactive_raid_list_free - This clears this link list. + * @ioc : pointer to per adapter structure + **/ +static void +mpt_inactive_raid_list_free(MPT_ADAPTER *ioc) +{ + struct inactive_raid_component_info *component_info, *pNext; + + if (list_empty(&ioc->raid_data.inactive_list)) + return; + + mutex_lock(&ioc->raid_data.inactive_list_mutex); + list_for_each_entry_safe(component_info, pNext, + &ioc->raid_data.inactive_list, list) { + list_del(&component_info->list); + kfree(component_info); + } + mutex_unlock(&ioc->raid_data.inactive_list_mutex); +} + +/** + * mpt_inactive_raid_volumes - sets up link list of phy_disk_nums for devices belonging in an inactive volume + * + * @ioc : pointer to per adapter structure + * @channel : volume channel + * @id : volume target id + **/ +static void +mpt_inactive_raid_volumes(MPT_ADAPTER *ioc, u8 channel, u8 id) +{ + CONFIGPARMS cfg; + ConfigPageHeader_t hdr; + dma_addr_t dma_handle; + pRaidVolumePage0_t buffer = NULL; + int i; + RaidPhysDiskPage0_t phys_disk; + struct inactive_raid_component_info *component_info; + int handle_inactive_volumes; + + memset(&cfg, 0 , sizeof(CONFIGPARMS)); + memset(&hdr, 0 , sizeof(ConfigPageHeader_t)); + hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_VOLUME; + cfg.pageAddr = (channel << 8) + id; + cfg.cfghdr.hdr = &hdr; + cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; + + if (mpt_config(ioc, &cfg) != 0) + goto out; + + if (!hdr.PageLength) + goto out; + + buffer = dma_alloc_coherent(&ioc->pcidev->dev, hdr.PageLength * 4, + &dma_handle, GFP_KERNEL); + + if (!buffer) + goto out; + + cfg.physAddr = dma_handle; + cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; + + if (mpt_config(ioc, &cfg) != 0) + goto out; + + if (!buffer->NumPhysDisks) + goto out; + + handle_inactive_volumes = + (buffer->VolumeStatus.Flags & MPI_RAIDVOL0_STATUS_FLAG_VOLUME_INACTIVE || + (buffer->VolumeStatus.Flags & MPI_RAIDVOL0_STATUS_FLAG_ENABLED) == 0 || + buffer->VolumeStatus.State == MPI_RAIDVOL0_STATUS_STATE_FAILED || + buffer->VolumeStatus.State == MPI_RAIDVOL0_STATUS_STATE_MISSING) ? 1 : 0; + + if (!handle_inactive_volumes) + goto out; + + mutex_lock(&ioc->raid_data.inactive_list_mutex); + for (i = 0; i < buffer->NumPhysDisks; i++) { + if(mpt_raid_phys_disk_pg0(ioc, + buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0) + continue; + + if ((component_info = kmalloc(sizeof (*component_info), + GFP_KERNEL)) == NULL) + continue; + + component_info->volumeID = id; + component_info->volumeBus = channel; + component_info->d.PhysDiskNum = phys_disk.PhysDiskNum; + component_info->d.PhysDiskBus = phys_disk.PhysDiskBus; + component_info->d.PhysDiskID = phys_disk.PhysDiskID; + component_info->d.PhysDiskIOC = phys_disk.PhysDiskIOC; + + list_add_tail(&component_info->list, + &ioc->raid_data.inactive_list); + } + mutex_unlock(&ioc->raid_data.inactive_list_mutex); + + out: + if (buffer) + dma_free_coherent(&ioc->pcidev->dev, hdr.PageLength * 4, + buffer, dma_handle); +} + +/** + * mpt_raid_phys_disk_pg0 - returns phys disk page zero + * @ioc: Pointer to a Adapter Structure + * @phys_disk_num: io unit unique phys disk num generated by the ioc + * @phys_disk: requested payload data returned + * + * Return: + * 0 on success + * -EFAULT if read of config page header fails or data pointer not NULL + * -ENOMEM if pci_alloc failed + **/ +int +mpt_raid_phys_disk_pg0(MPT_ADAPTER *ioc, u8 phys_disk_num, + RaidPhysDiskPage0_t *phys_disk) +{ + CONFIGPARMS cfg; + ConfigPageHeader_t hdr; + dma_addr_t dma_handle; + pRaidPhysDiskPage0_t buffer = NULL; + int rc; + + memset(&cfg, 0 , sizeof(CONFIGPARMS)); + memset(&hdr, 0 , sizeof(ConfigPageHeader_t)); + memset(phys_disk, 0, sizeof(RaidPhysDiskPage0_t)); + + hdr.PageVersion = MPI_RAIDPHYSDISKPAGE0_PAGEVERSION; + hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_PHYSDISK; + cfg.cfghdr.hdr = &hdr; + cfg.physAddr = -1; + cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; + + if (mpt_config(ioc, &cfg) != 0) { + rc = -EFAULT; + goto out; + } + + if (!hdr.PageLength) { + rc = -EFAULT; + goto out; + } + + buffer = dma_alloc_coherent(&ioc->pcidev->dev, hdr.PageLength * 4, + &dma_handle, GFP_KERNEL); + + if (!buffer) { + rc = -ENOMEM; + goto out; + } + + cfg.physAddr = dma_handle; + cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; + cfg.pageAddr = phys_disk_num; + + if (mpt_config(ioc, &cfg) != 0) { + rc = -EFAULT; + goto out; + } + + rc = 0; + memcpy(phys_disk, buffer, sizeof(*buffer)); + phys_disk->MaxLBA = le32_to_cpu(buffer->MaxLBA); + + out: + + if (buffer) + dma_free_coherent(&ioc->pcidev->dev, hdr.PageLength * 4, + buffer, dma_handle); + + return rc; +} + +/** + * mpt_raid_phys_disk_get_num_paths - returns number paths associated to this phys_num + * @ioc: Pointer to a Adapter Structure + * @phys_disk_num: io unit unique phys disk num generated by the ioc + * + * Return: + * returns number paths + **/ +int +mpt_raid_phys_disk_get_num_paths(MPT_ADAPTER *ioc, u8 phys_disk_num) +{ + CONFIGPARMS cfg; + ConfigPageHeader_t hdr; + dma_addr_t dma_handle; + pRaidPhysDiskPage1_t buffer = NULL; + int rc; + + memset(&cfg, 0 , sizeof(CONFIGPARMS)); + memset(&hdr, 0 , sizeof(ConfigPageHeader_t)); + + hdr.PageVersion = MPI_RAIDPHYSDISKPAGE1_PAGEVERSION; + hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_PHYSDISK; + hdr.PageNumber = 1; + cfg.cfghdr.hdr = &hdr; + cfg.physAddr = -1; + cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; + + if (mpt_config(ioc, &cfg) != 0) { + rc = 0; + goto out; + } + + if (!hdr.PageLength) { + rc = 0; + goto out; + } + + buffer = dma_alloc_coherent(&ioc->pcidev->dev, hdr.PageLength * 4, + &dma_handle, GFP_KERNEL); + + if (!buffer) { + rc = 0; + goto out; + } + + cfg.physAddr = dma_handle; + cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; + cfg.pageAddr = phys_disk_num; + + if (mpt_config(ioc, &cfg) != 0) { + rc = 0; + goto out; + } + + rc = buffer->NumPhysDiskPaths; + out: + + if (buffer) + dma_free_coherent(&ioc->pcidev->dev, hdr.PageLength * 4, + buffer, dma_handle); + + return rc; +} +EXPORT_SYMBOL(mpt_raid_phys_disk_get_num_paths); + +/** + * mpt_raid_phys_disk_pg1 - returns phys disk page 1 + * @ioc: Pointer to a Adapter Structure + * @phys_disk_num: io unit unique phys disk num generated by the ioc + * @phys_disk: requested payload data returned + * + * Return: + * 0 on success + * -EFAULT if read of config page header fails or data pointer not NULL + * -ENOMEM if pci_alloc failed + **/ +int +mpt_raid_phys_disk_pg1(MPT_ADAPTER *ioc, u8 phys_disk_num, + RaidPhysDiskPage1_t *phys_disk) +{ + CONFIGPARMS cfg; + ConfigPageHeader_t hdr; + dma_addr_t dma_handle; + pRaidPhysDiskPage1_t buffer = NULL; + int rc; + int i; + __le64 sas_address; + + memset(&cfg, 0 , sizeof(CONFIGPARMS)); + memset(&hdr, 0 , sizeof(ConfigPageHeader_t)); + rc = 0; + + hdr.PageVersion = MPI_RAIDPHYSDISKPAGE1_PAGEVERSION; + hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_PHYSDISK; + hdr.PageNumber = 1; + cfg.cfghdr.hdr = &hdr; + cfg.physAddr = -1; + cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; + + if (mpt_config(ioc, &cfg) != 0) { + rc = -EFAULT; + goto out; + } + + if (!hdr.PageLength) { + rc = -EFAULT; + goto out; + } + + buffer = dma_alloc_coherent(&ioc->pcidev->dev, hdr.PageLength * 4, + &dma_handle, GFP_KERNEL); + + if (!buffer) { + rc = -ENOMEM; + goto out; + } + + cfg.physAddr = dma_handle; + cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; + cfg.pageAddr = phys_disk_num; + + if (mpt_config(ioc, &cfg) != 0) { + rc = -EFAULT; + goto out; + } + + phys_disk->NumPhysDiskPaths = buffer->NumPhysDiskPaths; + phys_disk->PhysDiskNum = phys_disk_num; + for (i = 0; i < phys_disk->NumPhysDiskPaths; i++) { + phys_disk->Path[i].PhysDiskID = buffer->Path[i].PhysDiskID; + phys_disk->Path[i].PhysDiskBus = buffer->Path[i].PhysDiskBus; + phys_disk->Path[i].OwnerIdentifier = + buffer->Path[i].OwnerIdentifier; + phys_disk->Path[i].Flags = le16_to_cpu(buffer->Path[i].Flags); + memcpy(&sas_address, &buffer->Path[i].WWID, sizeof(__le64)); + sas_address = le64_to_cpu(sas_address); + memcpy(&phys_disk->Path[i].WWID, &sas_address, sizeof(__le64)); + memcpy(&sas_address, + &buffer->Path[i].OwnerWWID, sizeof(__le64)); + sas_address = le64_to_cpu(sas_address); + memcpy(&phys_disk->Path[i].OwnerWWID, + &sas_address, sizeof(__le64)); + } + + out: + + if (buffer) + dma_free_coherent(&ioc->pcidev->dev, hdr.PageLength * 4, + buffer, dma_handle); + + return rc; +} +EXPORT_SYMBOL(mpt_raid_phys_disk_pg1); + + +/** + * mpt_findImVolumes - Identify IDs of hidden disks and RAID Volumes + * @ioc: Pointer to a Adapter Strucutre + * + * Return: + * 0 on success + * -EFAULT if read of config page header fails or data pointer not NULL + * -ENOMEM if pci_alloc failed + **/ +int +mpt_findImVolumes(MPT_ADAPTER *ioc) +{ + IOCPage2_t *pIoc2; + u8 *mem; + dma_addr_t ioc2_dma; + CONFIGPARMS cfg; + ConfigPageHeader_t header; + int rc = 0; + int iocpage2sz; + int i; + + if (!ioc->ir_firmware) + return 0; + + /* Free the old page + */ + kfree(ioc->raid_data.pIocPg2); + ioc->raid_data.pIocPg2 = NULL; + mpt_inactive_raid_list_free(ioc); + + /* Read IOCP2 header then the page. + */ + header.PageVersion = 0; + header.PageLength = 0; + header.PageNumber = 2; + header.PageType = MPI_CONFIG_PAGETYPE_IOC; + cfg.cfghdr.hdr = &header; + cfg.physAddr = -1; + cfg.pageAddr = 0; + cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; + cfg.dir = 0; + cfg.timeout = 0; + if (mpt_config(ioc, &cfg) != 0) + return -EFAULT; + + if (header.PageLength == 0) + return -EFAULT; + + iocpage2sz = header.PageLength * 4; + pIoc2 = dma_alloc_coherent(&ioc->pcidev->dev, iocpage2sz, &ioc2_dma, + GFP_KERNEL); + if (!pIoc2) + return -ENOMEM; + + cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; + cfg.physAddr = ioc2_dma; + if (mpt_config(ioc, &cfg) != 0) + goto out; + + mem = kmemdup(pIoc2, iocpage2sz, GFP_KERNEL); + if (!mem) { + rc = -ENOMEM; + goto out; + } + + ioc->raid_data.pIocPg2 = (IOCPage2_t *) mem; + + mpt_read_ioc_pg_3(ioc); + + for (i = 0; i < pIoc2->NumActiveVolumes ; i++) + mpt_inactive_raid_volumes(ioc, + pIoc2->RaidVolume[i].VolumeBus, + pIoc2->RaidVolume[i].VolumeID); + + out: + dma_free_coherent(&ioc->pcidev->dev, iocpage2sz, pIoc2, ioc2_dma); + + return rc; +} + +static int +mpt_read_ioc_pg_3(MPT_ADAPTER *ioc) +{ + IOCPage3_t *pIoc3; + u8 *mem; + CONFIGPARMS cfg; + ConfigPageHeader_t header; + dma_addr_t ioc3_dma; + int iocpage3sz = 0; + + /* Free the old page + */ + kfree(ioc->raid_data.pIocPg3); + ioc->raid_data.pIocPg3 = NULL; + + /* There is at least one physical disk. + * Read and save IOC Page 3 + */ + header.PageVersion = 0; + header.PageLength = 0; + header.PageNumber = 3; + header.PageType = MPI_CONFIG_PAGETYPE_IOC; + cfg.cfghdr.hdr = &header; + cfg.physAddr = -1; + cfg.pageAddr = 0; + cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; + cfg.dir = 0; + cfg.timeout = 0; + if (mpt_config(ioc, &cfg) != 0) + return 0; + + if (header.PageLength == 0) + return 0; + + /* Read Header good, alloc memory + */ + iocpage3sz = header.PageLength * 4; + pIoc3 = dma_alloc_coherent(&ioc->pcidev->dev, iocpage3sz, &ioc3_dma, + GFP_KERNEL); + if (!pIoc3) + return 0; + + /* Read the Page and save the data + * into malloc'd memory. + */ + cfg.physAddr = ioc3_dma; + cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; + if (mpt_config(ioc, &cfg) == 0) { + mem = kmalloc(iocpage3sz, GFP_KERNEL); + if (mem) { + memcpy(mem, (u8 *)pIoc3, iocpage3sz); + ioc->raid_data.pIocPg3 = (IOCPage3_t *) mem; + } + } + + dma_free_coherent(&ioc->pcidev->dev, iocpage3sz, pIoc3, ioc3_dma); + + return 0; +} + +static void +mpt_read_ioc_pg_4(MPT_ADAPTER *ioc) +{ + IOCPage4_t *pIoc4; + CONFIGPARMS cfg; + ConfigPageHeader_t header; + dma_addr_t ioc4_dma; + int iocpage4sz; + + /* Read and save IOC Page 4 + */ + header.PageVersion = 0; + header.PageLength = 0; + header.PageNumber = 4; + header.PageType = MPI_CONFIG_PAGETYPE_IOC; + cfg.cfghdr.hdr = &header; + cfg.physAddr = -1; + cfg.pageAddr = 0; + cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; + cfg.dir = 0; + cfg.timeout = 0; + if (mpt_config(ioc, &cfg) != 0) + return; + + if (header.PageLength == 0) + return; + + if ( (pIoc4 = ioc->spi_data.pIocPg4) == NULL ) { + iocpage4sz = (header.PageLength + 4) * 4; /* Allow 4 additional SEP's */ + pIoc4 = dma_alloc_coherent(&ioc->pcidev->dev, iocpage4sz, + &ioc4_dma, GFP_KERNEL); + if (!pIoc4) + return; + ioc->alloc_total += iocpage4sz; + } else { + ioc4_dma = ioc->spi_data.IocPg4_dma; + iocpage4sz = ioc->spi_data.IocPg4Sz; + } + + /* Read the Page into dma memory. + */ + cfg.physAddr = ioc4_dma; + cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; + if (mpt_config(ioc, &cfg) == 0) { + ioc->spi_data.pIocPg4 = (IOCPage4_t *) pIoc4; + ioc->spi_data.IocPg4_dma = ioc4_dma; + ioc->spi_data.IocPg4Sz = iocpage4sz; + } else { + dma_free_coherent(&ioc->pcidev->dev, iocpage4sz, pIoc4, + ioc4_dma); + ioc->spi_data.pIocPg4 = NULL; + ioc->alloc_total -= iocpage4sz; + } +} + +static void +mpt_read_ioc_pg_1(MPT_ADAPTER *ioc) +{ + IOCPage1_t *pIoc1; + CONFIGPARMS cfg; + ConfigPageHeader_t header; + dma_addr_t ioc1_dma; + int iocpage1sz = 0; + u32 tmp; + + /* Check the Coalescing Timeout in IOC Page 1 + */ + header.PageVersion = 0; + header.PageLength = 0; + header.PageNumber = 1; + header.PageType = MPI_CONFIG_PAGETYPE_IOC; + cfg.cfghdr.hdr = &header; + cfg.physAddr = -1; + cfg.pageAddr = 0; + cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; + cfg.dir = 0; + cfg.timeout = 0; + if (mpt_config(ioc, &cfg) != 0) + return; + + if (header.PageLength == 0) + return; + + /* Read Header good, alloc memory + */ + iocpage1sz = header.PageLength * 4; + pIoc1 = dma_alloc_coherent(&ioc->pcidev->dev, iocpage1sz, &ioc1_dma, + GFP_KERNEL); + if (!pIoc1) + return; + + /* Read the Page and check coalescing timeout + */ + cfg.physAddr = ioc1_dma; + cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; + if (mpt_config(ioc, &cfg) == 0) { + + tmp = le32_to_cpu(pIoc1->Flags) & MPI_IOCPAGE1_REPLY_COALESCING; + if (tmp == MPI_IOCPAGE1_REPLY_COALESCING) { + tmp = le32_to_cpu(pIoc1->CoalescingTimeout); + + dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Coalescing Enabled Timeout = %d\n", + ioc->name, tmp)); + + if (tmp > MPT_COALESCING_TIMEOUT) { + pIoc1->CoalescingTimeout = cpu_to_le32(MPT_COALESCING_TIMEOUT); + + /* Write NVRAM and current + */ + cfg.dir = 1; + cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT; + if (mpt_config(ioc, &cfg) == 0) { + dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Reset Current Coalescing Timeout to = %d\n", + ioc->name, MPT_COALESCING_TIMEOUT)); + + cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_NVRAM; + if (mpt_config(ioc, &cfg) == 0) { + dprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "Reset NVRAM Coalescing Timeout to = %d\n", + ioc->name, MPT_COALESCING_TIMEOUT)); + } else { + dprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "Reset NVRAM Coalescing Timeout Failed\n", + ioc->name)); + } + + } else { + dprintk(ioc, printk(MYIOC_s_WARN_FMT + "Reset of Current Coalescing Timeout Failed!\n", + ioc->name)); + } + } + + } else { + dprintk(ioc, printk(MYIOC_s_WARN_FMT "Coalescing Disabled\n", ioc->name)); + } + } + + dma_free_coherent(&ioc->pcidev->dev, iocpage1sz, pIoc1, ioc1_dma); + + return; +} + +static void +mpt_get_manufacturing_pg_0(MPT_ADAPTER *ioc) +{ + CONFIGPARMS cfg; + ConfigPageHeader_t hdr; + dma_addr_t buf_dma; + ManufacturingPage0_t *pbuf = NULL; + + memset(&cfg, 0 , sizeof(CONFIGPARMS)); + memset(&hdr, 0 , sizeof(ConfigPageHeader_t)); + + hdr.PageType = MPI_CONFIG_PAGETYPE_MANUFACTURING; + cfg.cfghdr.hdr = &hdr; + cfg.physAddr = -1; + cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; + cfg.timeout = 10; + + if (mpt_config(ioc, &cfg) != 0) + goto out; + + if (!cfg.cfghdr.hdr->PageLength) + goto out; + + cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; + pbuf = dma_alloc_coherent(&ioc->pcidev->dev, hdr.PageLength * 4, + &buf_dma, GFP_KERNEL); + if (!pbuf) + goto out; + + cfg.physAddr = buf_dma; + + if (mpt_config(ioc, &cfg) != 0) + goto out; + + memcpy(ioc->board_name, pbuf->BoardName, sizeof(ioc->board_name)); + memcpy(ioc->board_assembly, pbuf->BoardAssembly, sizeof(ioc->board_assembly)); + memcpy(ioc->board_tracer, pbuf->BoardTracerNumber, sizeof(ioc->board_tracer)); + +out: + + if (pbuf) + dma_free_coherent(&ioc->pcidev->dev, hdr.PageLength * 4, pbuf, + buf_dma); +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * SendEventNotification - Send EventNotification (on or off) request to adapter + * @ioc: Pointer to MPT_ADAPTER structure + * @EvSwitch: Event switch flags + * @sleepFlag: Specifies whether the process can sleep + */ +static int +SendEventNotification(MPT_ADAPTER *ioc, u8 EvSwitch, int sleepFlag) +{ + EventNotification_t evn; + MPIDefaultReply_t reply_buf; + + memset(&evn, 0, sizeof(EventNotification_t)); + memset(&reply_buf, 0, sizeof(MPIDefaultReply_t)); + + evn.Function = MPI_FUNCTION_EVENT_NOTIFICATION; + evn.Switch = EvSwitch; + evn.MsgContext = cpu_to_le32(mpt_base_index << 16); + + devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "Sending EventNotification (%d) request %p\n", + ioc->name, EvSwitch, &evn)); + + return mpt_handshake_req_reply_wait(ioc, sizeof(EventNotification_t), + (u32 *)&evn, sizeof(MPIDefaultReply_t), (u16 *)&reply_buf, 30, + sleepFlag); +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * SendEventAck - Send EventAck request to MPT adapter. + * @ioc: Pointer to MPT_ADAPTER structure + * @evnp: Pointer to original EventNotification request + */ +static int +SendEventAck(MPT_ADAPTER *ioc, EventNotificationReply_t *evnp) +{ + EventAck_t *pAck; + + if ((pAck = (EventAck_t *) mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) { + dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s, no msg frames!!\n", + ioc->name, __func__)); + return -1; + } + + devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending EventAck\n", ioc->name)); + + pAck->Function = MPI_FUNCTION_EVENT_ACK; + pAck->ChainOffset = 0; + pAck->Reserved[0] = pAck->Reserved[1] = 0; + pAck->MsgFlags = 0; + pAck->Reserved1[0] = pAck->Reserved1[1] = pAck->Reserved1[2] = 0; + pAck->Event = evnp->Event; + pAck->EventContext = evnp->EventContext; + + mpt_put_msg_frame(mpt_base_index, ioc, (MPT_FRAME_HDR *)pAck); + + return 0; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_config - Generic function to issue config message + * @ioc: Pointer to an adapter structure + * @pCfg: Pointer to a configuration structure. Struct contains + * action, page address, direction, physical address + * and pointer to a configuration page header + * Page header is updated. + * + * Returns 0 for success + * -EAGAIN if no msg frames currently available + * -EFAULT for non-successful reply or no reply (timeout) + */ +int +mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *pCfg) +{ + Config_t *pReq; + ConfigReply_t *pReply; + ConfigExtendedPageHeader_t *pExtHdr = NULL; + MPT_FRAME_HDR *mf; + int ii; + int flagsLength; + long timeout; + int ret; + u8 page_type = 0, extend_page; + unsigned long timeleft; + unsigned long flags; + u8 issue_hard_reset = 0; + u8 retry_count = 0; + + might_sleep(); + + /* don't send a config page during diag reset */ + spin_lock_irqsave(&ioc->taskmgmt_lock, flags); + if (ioc->ioc_reset_in_progress) { + dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "%s: busy with host reset\n", ioc->name, __func__)); + spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); + return -EBUSY; + } + spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); + + /* don't send if no chance of success */ + if (!ioc->active || + mpt_GetIocState(ioc, 1) != MPI_IOC_STATE_OPERATIONAL) { + dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "%s: ioc not operational, %d, %xh\n", + ioc->name, __func__, ioc->active, + mpt_GetIocState(ioc, 0))); + return -EFAULT; + } + + retry_config: + mutex_lock(&ioc->mptbase_cmds.mutex); + /* init the internal cmd struct */ + memset(ioc->mptbase_cmds.reply, 0 , MPT_DEFAULT_FRAME_SIZE); + INITIALIZE_MGMT_STATUS(ioc->mptbase_cmds.status) + + /* Get and Populate a free Frame + */ + if ((mf = mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) { + dcprintk(ioc, printk(MYIOC_s_WARN_FMT + "mpt_config: no msg frames!\n", ioc->name)); + ret = -EAGAIN; + goto out; + } + + pReq = (Config_t *)mf; + pReq->Action = pCfg->action; + pReq->Reserved = 0; + pReq->ChainOffset = 0; + pReq->Function = MPI_FUNCTION_CONFIG; + + /* Assume page type is not extended and clear "reserved" fields. */ + pReq->ExtPageLength = 0; + pReq->ExtPageType = 0; + pReq->MsgFlags = 0; + + for (ii=0; ii < 8; ii++) + pReq->Reserved2[ii] = 0; + + pReq->Header.PageVersion = pCfg->cfghdr.hdr->PageVersion; + pReq->Header.PageLength = pCfg->cfghdr.hdr->PageLength; + pReq->Header.PageNumber = pCfg->cfghdr.hdr->PageNumber; + pReq->Header.PageType = (pCfg->cfghdr.hdr->PageType & MPI_CONFIG_PAGETYPE_MASK); + + if ((pCfg->cfghdr.hdr->PageType & MPI_CONFIG_PAGETYPE_MASK) == MPI_CONFIG_PAGETYPE_EXTENDED) { + pExtHdr = (ConfigExtendedPageHeader_t *)pCfg->cfghdr.ehdr; + pReq->ExtPageLength = cpu_to_le16(pExtHdr->ExtPageLength); + pReq->ExtPageType = pExtHdr->ExtPageType; + pReq->Header.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; + + /* Page Length must be treated as a reserved field for the + * extended header. + */ + pReq->Header.PageLength = 0; + } + + pReq->PageAddress = cpu_to_le32(pCfg->pageAddr); + + /* Add a SGE to the config request. + */ + if (pCfg->dir) + flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE; + else + flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ; + + if ((pCfg->cfghdr.hdr->PageType & MPI_CONFIG_PAGETYPE_MASK) == + MPI_CONFIG_PAGETYPE_EXTENDED) { + flagsLength |= pExtHdr->ExtPageLength * 4; + page_type = pReq->ExtPageType; + extend_page = 1; + } else { + flagsLength |= pCfg->cfghdr.hdr->PageLength * 4; + page_type = pReq->Header.PageType; + extend_page = 0; + } + + dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "Sending Config request type 0x%x, page 0x%x and action %d\n", + ioc->name, page_type, pReq->Header.PageNumber, pReq->Action)); + + ioc->add_sge((char *)&pReq->PageBufferSGE, flagsLength, pCfg->physAddr); + timeout = (pCfg->timeout < 15) ? HZ*15 : HZ*pCfg->timeout; + mpt_put_msg_frame(mpt_base_index, ioc, mf); + timeleft = wait_for_completion_timeout(&ioc->mptbase_cmds.done, + timeout); + if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { + ret = -ETIME; + dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "Failed Sending Config request type 0x%x, page 0x%x," + " action %d, status %xh, time left %ld\n\n", + ioc->name, page_type, pReq->Header.PageNumber, + pReq->Action, ioc->mptbase_cmds.status, timeleft)); + if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) + goto out; + if (!timeleft) { + spin_lock_irqsave(&ioc->taskmgmt_lock, flags); + if (ioc->ioc_reset_in_progress) { + spin_unlock_irqrestore(&ioc->taskmgmt_lock, + flags); + printk(MYIOC_s_INFO_FMT "%s: host reset in" + " progress mpt_config timed out.!!\n", + __func__, ioc->name); + mutex_unlock(&ioc->mptbase_cmds.mutex); + return -EFAULT; + } + spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); + issue_hard_reset = 1; + } + goto out; + } + + if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_RF_VALID)) { + ret = -1; + goto out; + } + pReply = (ConfigReply_t *)ioc->mptbase_cmds.reply; + ret = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK; + if (ret == MPI_IOCSTATUS_SUCCESS) { + if (extend_page) { + pCfg->cfghdr.ehdr->ExtPageLength = + le16_to_cpu(pReply->ExtPageLength); + pCfg->cfghdr.ehdr->ExtPageType = + pReply->ExtPageType; + } + pCfg->cfghdr.hdr->PageVersion = pReply->Header.PageVersion; + pCfg->cfghdr.hdr->PageLength = pReply->Header.PageLength; + pCfg->cfghdr.hdr->PageNumber = pReply->Header.PageNumber; + pCfg->cfghdr.hdr->PageType = pReply->Header.PageType; + + } + + if (retry_count) + printk(MYIOC_s_INFO_FMT "Retry completed " + "ret=0x%x timeleft=%ld\n", + ioc->name, ret, timeleft); + + dcprintk(ioc, printk(KERN_DEBUG "IOCStatus=%04xh, IOCLogInfo=%08xh\n", + ret, le32_to_cpu(pReply->IOCLogInfo))); + +out: + + CLEAR_MGMT_STATUS(ioc->mptbase_cmds.status) + mutex_unlock(&ioc->mptbase_cmds.mutex); + if (issue_hard_reset) { + issue_hard_reset = 0; + printk(MYIOC_s_WARN_FMT + "Issuing Reset from %s!!, doorbell=0x%08x\n", + ioc->name, __func__, mpt_GetIocState(ioc, 0)); + if (retry_count == 0) { + if (mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP) != 0) + retry_count++; + } else + mpt_HardResetHandler(ioc, CAN_SLEEP); + + mpt_free_msg_frame(ioc, mf); + /* attempt one retry for a timed out command */ + if (retry_count < 2) { + printk(MYIOC_s_INFO_FMT + "Attempting Retry Config request" + " type 0x%x, page 0x%x," + " action %d\n", ioc->name, page_type, + pCfg->cfghdr.hdr->PageNumber, pCfg->action); + retry_count++; + goto retry_config; + } + } + return ret; + +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_ioc_reset - Base cleanup for hard reset + * @ioc: Pointer to the adapter structure + * @reset_phase: Indicates pre- or post-reset functionality + * + * Remark: Frees resources with internally generated commands. + */ +static int +mpt_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) +{ + switch (reset_phase) { + case MPT_IOC_SETUP_RESET: + ioc->taskmgmt_quiesce_io = 1; + dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__)); + break; + case MPT_IOC_PRE_RESET: + dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__)); + break; + case MPT_IOC_POST_RESET: + dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__)); +/* wake up mptbase_cmds */ + if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_PENDING) { + ioc->mptbase_cmds.status |= + MPT_MGMT_STATUS_DID_IOCRESET; + complete(&ioc->mptbase_cmds.done); + } +/* wake up taskmgmt_cmds */ + if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) { + ioc->taskmgmt_cmds.status |= + MPT_MGMT_STATUS_DID_IOCRESET; + complete(&ioc->taskmgmt_cmds.done); + } + break; + default: + break; + } + + return 1; /* currently means nothing really */ +} + + +#ifdef CONFIG_PROC_FS /* { */ +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/* + * procfs (%MPT_PROCFS_MPTBASEDIR/...) support stuff... + */ +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * procmpt_create - Create %MPT_PROCFS_MPTBASEDIR entries. + * + * Returns 0 for success, non-zero for failure. + */ +static int +procmpt_create(void) +{ + mpt_proc_root_dir = proc_mkdir(MPT_PROCFS_MPTBASEDIR, NULL); + if (mpt_proc_root_dir == NULL) + return -ENOTDIR; + + proc_create_single("summary", S_IRUGO, mpt_proc_root_dir, + mpt_summary_proc_show); + proc_create_single("version", S_IRUGO, mpt_proc_root_dir, + mpt_version_proc_show); + return 0; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * procmpt_destroy - Tear down %MPT_PROCFS_MPTBASEDIR entries. + * + * Returns 0 for success, non-zero for failure. + */ +static void +procmpt_destroy(void) +{ + remove_proc_entry("version", mpt_proc_root_dir); + remove_proc_entry("summary", mpt_proc_root_dir); + remove_proc_entry(MPT_PROCFS_MPTBASEDIR, NULL); +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/* + * Handles read request from /proc/mpt/summary or /proc/mpt/iocN/summary. + */ +static void seq_mpt_print_ioc_summary(MPT_ADAPTER *ioc, struct seq_file *m, int showlan); + +static int mpt_summary_proc_show(struct seq_file *m, void *v) +{ + MPT_ADAPTER *ioc = m->private; + + if (ioc) { + seq_mpt_print_ioc_summary(ioc, m, 1); + } else { + list_for_each_entry(ioc, &ioc_list, list) { + seq_mpt_print_ioc_summary(ioc, m, 1); + } + } + + return 0; +} + +static int mpt_version_proc_show(struct seq_file *m, void *v) +{ + u8 cb_idx; + int scsi, fc, sas, lan, ctl, targ; + char *drvname; + + seq_printf(m, "%s-%s\n", "mptlinux", MPT_LINUX_VERSION_COMMON); + seq_printf(m, " Fusion MPT base driver\n"); + + scsi = fc = sas = lan = ctl = targ = 0; + for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) { + drvname = NULL; + if (MptCallbacks[cb_idx]) { + switch (MptDriverClass[cb_idx]) { + case MPTSPI_DRIVER: + if (!scsi++) drvname = "SPI host"; + break; + case MPTFC_DRIVER: + if (!fc++) drvname = "FC host"; + break; + case MPTSAS_DRIVER: + if (!sas++) drvname = "SAS host"; + break; + case MPTLAN_DRIVER: + if (!lan++) drvname = "LAN"; + break; + case MPTSTM_DRIVER: + if (!targ++) drvname = "SCSI target"; + break; + case MPTCTL_DRIVER: + if (!ctl++) drvname = "ioctl"; + break; + } + + if (drvname) + seq_printf(m, " Fusion MPT %s driver\n", drvname); + } + } + + return 0; +} + +static int mpt_iocinfo_proc_show(struct seq_file *m, void *v) +{ + MPT_ADAPTER *ioc = m->private; + char expVer[32]; + int sz; + int p; + + mpt_get_fw_exp_ver(expVer, ioc); + + seq_printf(m, "%s:", ioc->name); + if (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT) + seq_printf(m, " (f/w download boot flag set)"); +// if (ioc->facts.IOCExceptions & MPI_IOCFACTS_EXCEPT_CONFIG_CHECKSUM_FAIL) +// seq_printf(m, " CONFIG_CHECKSUM_FAIL!"); + + seq_printf(m, "\n ProductID = 0x%04x (%s)\n", + ioc->facts.ProductID, + ioc->prod_name); + seq_printf(m, " FWVersion = 0x%08x%s", ioc->facts.FWVersion.Word, expVer); + if (ioc->facts.FWImageSize) + seq_printf(m, " (fw_size=%d)", ioc->facts.FWImageSize); + seq_printf(m, "\n MsgVersion = 0x%04x\n", ioc->facts.MsgVersion); + seq_printf(m, " FirstWhoInit = 0x%02x\n", ioc->FirstWhoInit); + seq_printf(m, " EventState = 0x%02x\n", ioc->facts.EventState); + + seq_printf(m, " CurrentHostMfaHighAddr = 0x%08x\n", + ioc->facts.CurrentHostMfaHighAddr); + seq_printf(m, " CurrentSenseBufferHighAddr = 0x%08x\n", + ioc->facts.CurrentSenseBufferHighAddr); + + seq_printf(m, " MaxChainDepth = 0x%02x frames\n", ioc->facts.MaxChainDepth); + seq_printf(m, " MinBlockSize = 0x%02x bytes\n", 4*ioc->facts.BlockSize); + + seq_printf(m, " RequestFrames @ 0x%p (Dma @ 0x%p)\n", + (void *)ioc->req_frames, (void *)(ulong)ioc->req_frames_dma); + /* + * Rounding UP to nearest 4-kB boundary here... + */ + sz = (ioc->req_sz * ioc->req_depth) + 128; + sz = ((sz + 0x1000UL - 1UL) / 0x1000) * 0x1000; + seq_printf(m, " {CurReqSz=%d} x {CurReqDepth=%d} = %d bytes ^= 0x%x\n", + ioc->req_sz, ioc->req_depth, ioc->req_sz*ioc->req_depth, sz); + seq_printf(m, " {MaxReqSz=%d} {MaxReqDepth=%d}\n", + 4*ioc->facts.RequestFrameSize, + ioc->facts.GlobalCredits); + + seq_printf(m, " Frames @ 0x%p (Dma @ 0x%p)\n", + (void *)ioc->alloc, (void *)(ulong)ioc->alloc_dma); + sz = (ioc->reply_sz * ioc->reply_depth) + 128; + seq_printf(m, " {CurRepSz=%d} x {CurRepDepth=%d} = %d bytes ^= 0x%x\n", + ioc->reply_sz, ioc->reply_depth, ioc->reply_sz*ioc->reply_depth, sz); + seq_printf(m, " {MaxRepSz=%d} {MaxRepDepth=%d}\n", + ioc->facts.CurReplyFrameSize, + ioc->facts.ReplyQueueDepth); + + seq_printf(m, " MaxDevices = %d\n", + (ioc->facts.MaxDevices==0) ? 255 : ioc->facts.MaxDevices); + seq_printf(m, " MaxBuses = %d\n", ioc->facts.MaxBuses); + + /* per-port info */ + for (p=0; p < ioc->facts.NumberOfPorts; p++) { + seq_printf(m, " PortNumber = %d (of %d)\n", + p+1, + ioc->facts.NumberOfPorts); + if (ioc->bus_type == FC) { + if (ioc->pfacts[p].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN) { + u8 *a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow; + seq_printf(m, " LanAddr = %pMR\n", a); + } + seq_printf(m, " WWN = %08X%08X:%08X%08X\n", + ioc->fc_port_page0[p].WWNN.High, + ioc->fc_port_page0[p].WWNN.Low, + ioc->fc_port_page0[p].WWPN.High, + ioc->fc_port_page0[p].WWPN.Low); + } + } + + return 0; +} +#endif /* CONFIG_PROC_FS } */ + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +static void +mpt_get_fw_exp_ver(char *buf, MPT_ADAPTER *ioc) +{ + buf[0] ='\0'; + if ((ioc->facts.FWVersion.Word >> 24) == 0x0E) { + sprintf(buf, " (Exp %02d%02d)", + (ioc->facts.FWVersion.Word >> 16) & 0x00FF, /* Month */ + (ioc->facts.FWVersion.Word >> 8) & 0x1F); /* Day */ + + /* insider hack! */ + if ((ioc->facts.FWVersion.Word >> 8) & 0x80) + strcat(buf, " [MDBG]"); + } +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_print_ioc_summary - Write ASCII summary of IOC to a buffer. + * @ioc: Pointer to MPT_ADAPTER structure + * @buffer: Pointer to buffer where IOC summary info should be written + * @size: Pointer to number of bytes we wrote (set by this routine) + * @len: Offset at which to start writing in buffer + * @showlan: Display LAN stuff? + * + * This routine writes (english readable) ASCII text, which represents + * a summary of IOC information, to a buffer. + */ +void +mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buffer, int *size, int len, int showlan) +{ + char expVer[32]; + int y; + + mpt_get_fw_exp_ver(expVer, ioc); + + /* + * Shorter summary of attached ioc's... + */ + y = sprintf(buffer+len, "%s: %s, %s%08xh%s, Ports=%d, MaxQ=%d", + ioc->name, + ioc->prod_name, + MPT_FW_REV_MAGIC_ID_STRING, /* "FwRev=" or somesuch */ + ioc->facts.FWVersion.Word, + expVer, + ioc->facts.NumberOfPorts, + ioc->req_depth); + + if (showlan && (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN)) { + u8 *a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow; + y += sprintf(buffer+len+y, ", LanAddr=%pMR", a); + } + + y += sprintf(buffer+len+y, ", IRQ=%d", ioc->pci_irq); + + if (!ioc->active) + y += sprintf(buffer+len+y, " (disabled)"); + + y += sprintf(buffer+len+y, "\n"); + + *size = y; +} + +#ifdef CONFIG_PROC_FS +static void seq_mpt_print_ioc_summary(MPT_ADAPTER *ioc, struct seq_file *m, int showlan) +{ + char expVer[32]; + + mpt_get_fw_exp_ver(expVer, ioc); + + /* + * Shorter summary of attached ioc's... + */ + seq_printf(m, "%s: %s, %s%08xh%s, Ports=%d, MaxQ=%d", + ioc->name, + ioc->prod_name, + MPT_FW_REV_MAGIC_ID_STRING, /* "FwRev=" or somesuch */ + ioc->facts.FWVersion.Word, + expVer, + ioc->facts.NumberOfPorts, + ioc->req_depth); + + if (showlan && (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN)) { + u8 *a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow; + seq_printf(m, ", LanAddr=%pMR", a); + } + + seq_printf(m, ", IRQ=%d", ioc->pci_irq); + + if (!ioc->active) + seq_printf(m, " (disabled)"); + + seq_putc(m, '\n'); +} +#endif + +/** + * mpt_set_taskmgmt_in_progress_flag - set flags associated with task management + * @ioc: Pointer to MPT_ADAPTER structure + * + * Returns 0 for SUCCESS or -1 if FAILED. + * + * If -1 is return, then it was not possible to set the flags + **/ +int +mpt_set_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc) +{ + unsigned long flags; + int retval; + + spin_lock_irqsave(&ioc->taskmgmt_lock, flags); + if (ioc->ioc_reset_in_progress || ioc->taskmgmt_in_progress || + (ioc->alt_ioc && ioc->alt_ioc->taskmgmt_in_progress)) { + retval = -1; + goto out; + } + retval = 0; + ioc->taskmgmt_in_progress = 1; + ioc->taskmgmt_quiesce_io = 1; + if (ioc->alt_ioc) { + ioc->alt_ioc->taskmgmt_in_progress = 1; + ioc->alt_ioc->taskmgmt_quiesce_io = 1; + } + out: + spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); + return retval; +} +EXPORT_SYMBOL(mpt_set_taskmgmt_in_progress_flag); + +/** + * mpt_clear_taskmgmt_in_progress_flag - clear flags associated with task management + * @ioc: Pointer to MPT_ADAPTER structure + * + **/ +void +mpt_clear_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc) +{ + unsigned long flags; + + spin_lock_irqsave(&ioc->taskmgmt_lock, flags); + ioc->taskmgmt_in_progress = 0; + ioc->taskmgmt_quiesce_io = 0; + if (ioc->alt_ioc) { + ioc->alt_ioc->taskmgmt_in_progress = 0; + ioc->alt_ioc->taskmgmt_quiesce_io = 0; + } + spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); +} +EXPORT_SYMBOL(mpt_clear_taskmgmt_in_progress_flag); + + +/** + * mpt_halt_firmware - Halts the firmware if it is operational and panic + * the kernel + * @ioc: Pointer to MPT_ADAPTER structure + * + **/ +void __noreturn +mpt_halt_firmware(MPT_ADAPTER *ioc) +{ + u32 ioc_raw_state; + + ioc_raw_state = mpt_GetIocState(ioc, 0); + + if ((ioc_raw_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_FAULT) { + printk(MYIOC_s_ERR_FMT "IOC is in FAULT state (%04xh)!!!\n", + ioc->name, ioc_raw_state & MPI_DOORBELL_DATA_MASK); + panic("%s: IOC Fault (%04xh)!!!\n", ioc->name, + ioc_raw_state & MPI_DOORBELL_DATA_MASK); + } else { + CHIPREG_WRITE32(&ioc->chip->Doorbell, 0xC0FFEE00); + panic("%s: Firmware is halted due to command timeout\n", + ioc->name); + } +} +EXPORT_SYMBOL(mpt_halt_firmware); + +/** + * mpt_SoftResetHandler - Issues a less expensive reset + * @ioc: Pointer to MPT_ADAPTER structure + * @sleepFlag: Indicates if sleep or schedule must be called. + * + * Returns 0 for SUCCESS or -1 if FAILED. + * + * Message Unit Reset - instructs the IOC to reset the Reply Post and + * Free FIFO's. All the Message Frames on Reply Free FIFO are discarded. + * All posted buffers are freed, and event notification is turned off. + * IOC doesn't reply to any outstanding request. This will transfer IOC + * to READY state. + **/ +static int +mpt_SoftResetHandler(MPT_ADAPTER *ioc, int sleepFlag) +{ + int rc; + int ii; + u8 cb_idx; + unsigned long flags; + u32 ioc_state; + unsigned long time_count; + + dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SoftResetHandler Entered!\n", + ioc->name)); + + ioc_state = mpt_GetIocState(ioc, 0) & MPI_IOC_STATE_MASK; + + if (mpt_fwfault_debug) + mpt_halt_firmware(ioc); + + if (ioc_state == MPI_IOC_STATE_FAULT || + ioc_state == MPI_IOC_STATE_RESET) { + dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "skipping, either in FAULT or RESET state!\n", ioc->name)); + return -1; + } + + if (ioc->bus_type == FC) { + dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "skipping, because the bus type is FC!\n", ioc->name)); + return -1; + } + + spin_lock_irqsave(&ioc->taskmgmt_lock, flags); + if (ioc->ioc_reset_in_progress) { + spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); + return -1; + } + ioc->ioc_reset_in_progress = 1; + spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); + + for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) { + if (MptResetHandlers[cb_idx]) + mpt_signal_reset(cb_idx, ioc, MPT_IOC_SETUP_RESET); + } + + spin_lock_irqsave(&ioc->taskmgmt_lock, flags); + if (ioc->taskmgmt_in_progress) { + ioc->ioc_reset_in_progress = 0; + spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); + return -1; + } + spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); + /* Disable reply interrupts (also blocks FreeQ) */ + CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF); + ioc->active = 0; + time_count = jiffies; + + rc = SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag); + + for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) { + if (MptResetHandlers[cb_idx]) + mpt_signal_reset(cb_idx, ioc, MPT_IOC_PRE_RESET); + } + + if (rc) + goto out; + + ioc_state = mpt_GetIocState(ioc, 0) & MPI_IOC_STATE_MASK; + if (ioc_state != MPI_IOC_STATE_READY) + goto out; + + for (ii = 0; ii < 5; ii++) { + /* Get IOC facts! Allow 5 retries */ + rc = GetIocFacts(ioc, sleepFlag, + MPT_HOSTEVENT_IOC_RECOVER); + if (rc == 0) + break; + if (sleepFlag == CAN_SLEEP) + msleep(100); + else + mdelay(100); + } + if (ii == 5) + goto out; + + rc = PrimeIocFifos(ioc); + if (rc != 0) + goto out; + + rc = SendIocInit(ioc, sleepFlag); + if (rc != 0) + goto out; + + rc = SendEventNotification(ioc, 1, sleepFlag); + if (rc != 0) + goto out; + + if (ioc->hard_resets < -1) + ioc->hard_resets++; + + /* + * At this point, we know soft reset succeeded. + */ + + ioc->active = 1; + CHIPREG_WRITE32(&ioc->chip->IntMask, MPI_HIM_DIM); + + out: + spin_lock_irqsave(&ioc->taskmgmt_lock, flags); + ioc->ioc_reset_in_progress = 0; + ioc->taskmgmt_quiesce_io = 0; + ioc->taskmgmt_in_progress = 0; + spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); + + if (ioc->active) { /* otherwise, hard reset coming */ + for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) { + if (MptResetHandlers[cb_idx]) + mpt_signal_reset(cb_idx, ioc, + MPT_IOC_POST_RESET); + } + } + + dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "SoftResetHandler: completed (%d seconds): %s\n", + ioc->name, jiffies_to_msecs(jiffies - time_count)/1000, + ((rc == 0) ? "SUCCESS" : "FAILED"))); + + return rc; +} + +/** + * mpt_Soft_Hard_ResetHandler - Try less expensive reset + * @ioc: Pointer to MPT_ADAPTER structure + * @sleepFlag: Indicates if sleep or schedule must be called. + * + * Returns 0 for SUCCESS or -1 if FAILED. + * Try for softreset first, only if it fails go for expensive + * HardReset. + **/ +int +mpt_Soft_Hard_ResetHandler(MPT_ADAPTER *ioc, int sleepFlag) { + int ret = -1; + + ret = mpt_SoftResetHandler(ioc, sleepFlag); + if (ret == 0) + return ret; + ret = mpt_HardResetHandler(ioc, sleepFlag); + return ret; +} +EXPORT_SYMBOL(mpt_Soft_Hard_ResetHandler); + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/* + * Reset Handling + */ +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_HardResetHandler - Generic reset handler + * @ioc: Pointer to MPT_ADAPTER structure + * @sleepFlag: Indicates if sleep or schedule must be called. + * + * Issues SCSI Task Management call based on input arg values. + * If TaskMgmt fails, returns associated SCSI request. + * + * Remark: _HardResetHandler can be invoked from an interrupt thread (timer) + * or a non-interrupt thread. In the former, must not call schedule(). + * + * Note: A return of -1 is a FATAL error case, as it means a + * FW reload/initialization failed. + * + * Returns 0 for SUCCESS or -1 if FAILED. + */ +int +mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag) +{ + int rc; + u8 cb_idx; + unsigned long flags; + unsigned long time_count; + + dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HardResetHandler Entered!\n", ioc->name)); +#ifdef MFCNT + printk(MYIOC_s_INFO_FMT "HardResetHandler Entered!\n", ioc->name); + printk("MF count 0x%x !\n", ioc->mfcnt); +#endif + if (mpt_fwfault_debug) + mpt_halt_firmware(ioc); + + /* Reset the adapter. Prevent more than 1 call to + * mpt_do_ioc_recovery at any instant in time. + */ + spin_lock_irqsave(&ioc->taskmgmt_lock, flags); + if (ioc->ioc_reset_in_progress) { + spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); + ioc->wait_on_reset_completion = 1; + do { + ssleep(1); + } while (ioc->ioc_reset_in_progress == 1); + ioc->wait_on_reset_completion = 0; + return ioc->reset_status; + } + if (ioc->wait_on_reset_completion) { + spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); + rc = 0; + time_count = jiffies; + goto exit; + } + ioc->ioc_reset_in_progress = 1; + if (ioc->alt_ioc) + ioc->alt_ioc->ioc_reset_in_progress = 1; + spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); + + + /* The SCSI driver needs to adjust timeouts on all current + * commands prior to the diagnostic reset being issued. + * Prevents timeouts occurring during a diagnostic reset...very bad. + * For all other protocol drivers, this is a no-op. + */ + for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) { + if (MptResetHandlers[cb_idx]) { + mpt_signal_reset(cb_idx, ioc, MPT_IOC_SETUP_RESET); + if (ioc->alt_ioc) + mpt_signal_reset(cb_idx, ioc->alt_ioc, + MPT_IOC_SETUP_RESET); + } + } + + time_count = jiffies; + rc = mpt_do_ioc_recovery(ioc, MPT_HOSTEVENT_IOC_RECOVER, sleepFlag); + if (rc != 0) { + printk(KERN_WARNING MYNAM + ": WARNING - (%d) Cannot recover %s, doorbell=0x%08x\n", + rc, ioc->name, mpt_GetIocState(ioc, 0)); + } else { + if (ioc->hard_resets < -1) + ioc->hard_resets++; + } + + spin_lock_irqsave(&ioc->taskmgmt_lock, flags); + ioc->ioc_reset_in_progress = 0; + ioc->taskmgmt_quiesce_io = 0; + ioc->taskmgmt_in_progress = 0; + ioc->reset_status = rc; + if (ioc->alt_ioc) { + ioc->alt_ioc->ioc_reset_in_progress = 0; + ioc->alt_ioc->taskmgmt_quiesce_io = 0; + ioc->alt_ioc->taskmgmt_in_progress = 0; + } + spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); + + for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) { + if (MptResetHandlers[cb_idx]) { + mpt_signal_reset(cb_idx, ioc, MPT_IOC_POST_RESET); + if (ioc->alt_ioc) + mpt_signal_reset(cb_idx, + ioc->alt_ioc, MPT_IOC_POST_RESET); + } + } +exit: + dtmprintk(ioc, + printk(MYIOC_s_DEBUG_FMT + "HardResetHandler: completed (%d seconds): %s\n", ioc->name, + jiffies_to_msecs(jiffies - time_count)/1000, ((rc == 0) ? + "SUCCESS" : "FAILED"))); + + return rc; +} + +#ifdef CONFIG_FUSION_LOGGING +static void +mpt_display_event_info(MPT_ADAPTER *ioc, EventNotificationReply_t *pEventReply) +{ + char *ds = NULL; + u32 evData0; + int ii; + u8 event; + char *evStr = ioc->evStr; + + event = le32_to_cpu(pEventReply->Event) & 0xFF; + evData0 = le32_to_cpu(pEventReply->Data[0]); + + switch(event) { + case MPI_EVENT_NONE: + ds = "None"; + break; + case MPI_EVENT_LOG_DATA: + ds = "Log Data"; + break; + case MPI_EVENT_STATE_CHANGE: + ds = "State Change"; + break; + case MPI_EVENT_UNIT_ATTENTION: + ds = "Unit Attention"; + break; + case MPI_EVENT_IOC_BUS_RESET: + ds = "IOC Bus Reset"; + break; + case MPI_EVENT_EXT_BUS_RESET: + ds = "External Bus Reset"; + break; + case MPI_EVENT_RESCAN: + ds = "Bus Rescan Event"; + break; + case MPI_EVENT_LINK_STATUS_CHANGE: + if (evData0 == MPI_EVENT_LINK_STATUS_FAILURE) + ds = "Link Status(FAILURE) Change"; + else + ds = "Link Status(ACTIVE) Change"; + break; + case MPI_EVENT_LOOP_STATE_CHANGE: + if (evData0 == MPI_EVENT_LOOP_STATE_CHANGE_LIP) + ds = "Loop State(LIP) Change"; + else if (evData0 == MPI_EVENT_LOOP_STATE_CHANGE_LPE) + ds = "Loop State(LPE) Change"; + else + ds = "Loop State(LPB) Change"; + break; + case MPI_EVENT_LOGOUT: + ds = "Logout"; + break; + case MPI_EVENT_EVENT_CHANGE: + if (evData0) + ds = "Events ON"; + else + ds = "Events OFF"; + break; + case MPI_EVENT_INTEGRATED_RAID: + { + u8 ReasonCode = (u8)(evData0 >> 16); + switch (ReasonCode) { + case MPI_EVENT_RAID_RC_VOLUME_CREATED : + ds = "Integrated Raid: Volume Created"; + break; + case MPI_EVENT_RAID_RC_VOLUME_DELETED : + ds = "Integrated Raid: Volume Deleted"; + break; + case MPI_EVENT_RAID_RC_VOLUME_SETTINGS_CHANGED : + ds = "Integrated Raid: Volume Settings Changed"; + break; + case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED : + ds = "Integrated Raid: Volume Status Changed"; + break; + case MPI_EVENT_RAID_RC_VOLUME_PHYSDISK_CHANGED : + ds = "Integrated Raid: Volume Physdisk Changed"; + break; + case MPI_EVENT_RAID_RC_PHYSDISK_CREATED : + ds = "Integrated Raid: Physdisk Created"; + break; + case MPI_EVENT_RAID_RC_PHYSDISK_DELETED : + ds = "Integrated Raid: Physdisk Deleted"; + break; + case MPI_EVENT_RAID_RC_PHYSDISK_SETTINGS_CHANGED : + ds = "Integrated Raid: Physdisk Settings Changed"; + break; + case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED : + ds = "Integrated Raid: Physdisk Status Changed"; + break; + case MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED : + ds = "Integrated Raid: Domain Validation Needed"; + break; + case MPI_EVENT_RAID_RC_SMART_DATA : + ds = "Integrated Raid; Smart Data"; + break; + case MPI_EVENT_RAID_RC_REPLACE_ACTION_STARTED : + ds = "Integrated Raid: Replace Action Started"; + break; + default: + ds = "Integrated Raid"; + break; + } + break; + } + case MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE: + ds = "SCSI Device Status Change"; + break; + case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE: + { + u8 id = (u8)(evData0); + u8 channel = (u8)(evData0 >> 8); + u8 ReasonCode = (u8)(evData0 >> 16); + switch (ReasonCode) { + case MPI_EVENT_SAS_DEV_STAT_RC_ADDED: + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS Device Status Change: Added: " + "id=%d channel=%d", id, channel); + break; + case MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING: + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS Device Status Change: Deleted: " + "id=%d channel=%d", id, channel); + break; + case MPI_EVENT_SAS_DEV_STAT_RC_SMART_DATA: + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS Device Status Change: SMART Data: " + "id=%d channel=%d", id, channel); + break; + case MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED: + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS Device Status Change: No Persistency: " + "id=%d channel=%d", id, channel); + break; + case MPI_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED: + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS Device Status Change: Unsupported Device " + "Discovered : id=%d channel=%d", id, channel); + break; + case MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET: + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS Device Status Change: Internal Device " + "Reset : id=%d channel=%d", id, channel); + break; + case MPI_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL: + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS Device Status Change: Internal Task " + "Abort : id=%d channel=%d", id, channel); + break; + case MPI_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL: + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS Device Status Change: Internal Abort " + "Task Set : id=%d channel=%d", id, channel); + break; + case MPI_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL: + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS Device Status Change: Internal Clear " + "Task Set : id=%d channel=%d", id, channel); + break; + case MPI_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL: + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS Device Status Change: Internal Query " + "Task : id=%d channel=%d", id, channel); + break; + default: + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS Device Status Change: Unknown: " + "id=%d channel=%d", id, channel); + break; + } + break; + } + case MPI_EVENT_ON_BUS_TIMER_EXPIRED: + ds = "Bus Timer Expired"; + break; + case MPI_EVENT_QUEUE_FULL: + { + u16 curr_depth = (u16)(evData0 >> 16); + u8 channel = (u8)(evData0 >> 8); + u8 id = (u8)(evData0); + + snprintf(evStr, EVENT_DESCR_STR_SZ, + "Queue Full: channel=%d id=%d depth=%d", + channel, id, curr_depth); + break; + } + case MPI_EVENT_SAS_SES: + ds = "SAS SES Event"; + break; + case MPI_EVENT_PERSISTENT_TABLE_FULL: + ds = "Persistent Table Full"; + break; + case MPI_EVENT_SAS_PHY_LINK_STATUS: + { + u8 LinkRates = (u8)(evData0 >> 8); + u8 PhyNumber = (u8)(evData0); + LinkRates = (LinkRates & MPI_EVENT_SAS_PLS_LR_CURRENT_MASK) >> + MPI_EVENT_SAS_PLS_LR_CURRENT_SHIFT; + switch (LinkRates) { + case MPI_EVENT_SAS_PLS_LR_RATE_UNKNOWN: + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS PHY Link Status: Phy=%d:" + " Rate Unknown",PhyNumber); + break; + case MPI_EVENT_SAS_PLS_LR_RATE_PHY_DISABLED: + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS PHY Link Status: Phy=%d:" + " Phy Disabled",PhyNumber); + break; + case MPI_EVENT_SAS_PLS_LR_RATE_FAILED_SPEED_NEGOTIATION: + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS PHY Link Status: Phy=%d:" + " Failed Speed Nego",PhyNumber); + break; + case MPI_EVENT_SAS_PLS_LR_RATE_SATA_OOB_COMPLETE: + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS PHY Link Status: Phy=%d:" + " Sata OOB Completed",PhyNumber); + break; + case MPI_EVENT_SAS_PLS_LR_RATE_1_5: + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS PHY Link Status: Phy=%d:" + " Rate 1.5 Gbps",PhyNumber); + break; + case MPI_EVENT_SAS_PLS_LR_RATE_3_0: + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS PHY Link Status: Phy=%d:" + " Rate 3.0 Gbps", PhyNumber); + break; + case MPI_EVENT_SAS_PLS_LR_RATE_6_0: + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS PHY Link Status: Phy=%d:" + " Rate 6.0 Gbps", PhyNumber); + break; + default: + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS PHY Link Status: Phy=%d", PhyNumber); + break; + } + break; + } + case MPI_EVENT_SAS_DISCOVERY_ERROR: + ds = "SAS Discovery Error"; + break; + case MPI_EVENT_IR_RESYNC_UPDATE: + { + u8 resync_complete = (u8)(evData0 >> 16); + snprintf(evStr, EVENT_DESCR_STR_SZ, + "IR Resync Update: Complete = %d:",resync_complete); + break; + } + case MPI_EVENT_IR2: + { + u8 id = (u8)(evData0); + u8 channel = (u8)(evData0 >> 8); + u8 phys_num = (u8)(evData0 >> 24); + u8 ReasonCode = (u8)(evData0 >> 16); + + switch (ReasonCode) { + case MPI_EVENT_IR2_RC_LD_STATE_CHANGED: + snprintf(evStr, EVENT_DESCR_STR_SZ, + "IR2: LD State Changed: " + "id=%d channel=%d phys_num=%d", + id, channel, phys_num); + break; + case MPI_EVENT_IR2_RC_PD_STATE_CHANGED: + snprintf(evStr, EVENT_DESCR_STR_SZ, + "IR2: PD State Changed " + "id=%d channel=%d phys_num=%d", + id, channel, phys_num); + break; + case MPI_EVENT_IR2_RC_BAD_BLOCK_TABLE_FULL: + snprintf(evStr, EVENT_DESCR_STR_SZ, + "IR2: Bad Block Table Full: " + "id=%d channel=%d phys_num=%d", + id, channel, phys_num); + break; + case MPI_EVENT_IR2_RC_PD_INSERTED: + snprintf(evStr, EVENT_DESCR_STR_SZ, + "IR2: PD Inserted: " + "id=%d channel=%d phys_num=%d", + id, channel, phys_num); + break; + case MPI_EVENT_IR2_RC_PD_REMOVED: + snprintf(evStr, EVENT_DESCR_STR_SZ, + "IR2: PD Removed: " + "id=%d channel=%d phys_num=%d", + id, channel, phys_num); + break; + case MPI_EVENT_IR2_RC_FOREIGN_CFG_DETECTED: + snprintf(evStr, EVENT_DESCR_STR_SZ, + "IR2: Foreign CFG Detected: " + "id=%d channel=%d phys_num=%d", + id, channel, phys_num); + break; + case MPI_EVENT_IR2_RC_REBUILD_MEDIUM_ERROR: + snprintf(evStr, EVENT_DESCR_STR_SZ, + "IR2: Rebuild Medium Error: " + "id=%d channel=%d phys_num=%d", + id, channel, phys_num); + break; + case MPI_EVENT_IR2_RC_DUAL_PORT_ADDED: + snprintf(evStr, EVENT_DESCR_STR_SZ, + "IR2: Dual Port Added: " + "id=%d channel=%d phys_num=%d", + id, channel, phys_num); + break; + case MPI_EVENT_IR2_RC_DUAL_PORT_REMOVED: + snprintf(evStr, EVENT_DESCR_STR_SZ, + "IR2: Dual Port Removed: " + "id=%d channel=%d phys_num=%d", + id, channel, phys_num); + break; + default: + ds = "IR2"; + break; + } + break; + } + case MPI_EVENT_SAS_DISCOVERY: + { + if (evData0) + ds = "SAS Discovery: Start"; + else + ds = "SAS Discovery: Stop"; + break; + } + case MPI_EVENT_LOG_ENTRY_ADDED: + ds = "SAS Log Entry Added"; + break; + + case MPI_EVENT_SAS_BROADCAST_PRIMITIVE: + { + u8 phy_num = (u8)(evData0); + u8 port_num = (u8)(evData0 >> 8); + u8 port_width = (u8)(evData0 >> 16); + u8 primitive = (u8)(evData0 >> 24); + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS Broadcast Primitive: phy=%d port=%d " + "width=%d primitive=0x%02x", + phy_num, port_num, port_width, primitive); + break; + } + + case MPI_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE: + { + u8 reason = (u8)(evData0); + + switch (reason) { + case MPI_EVENT_SAS_INIT_RC_ADDED: + ds = "SAS Initiator Status Change: Added"; + break; + case MPI_EVENT_SAS_INIT_RC_REMOVED: + ds = "SAS Initiator Status Change: Deleted"; + break; + default: + ds = "SAS Initiator Status Change"; + break; + } + break; + } + + case MPI_EVENT_SAS_INIT_TABLE_OVERFLOW: + { + u8 max_init = (u8)(evData0); + u8 current_init = (u8)(evData0 >> 8); + + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS Initiator Device Table Overflow: max initiators=%02d " + "current initiators=%02d", + max_init, current_init); + break; + } + case MPI_EVENT_SAS_SMP_ERROR: + { + u8 status = (u8)(evData0); + u8 port_num = (u8)(evData0 >> 8); + u8 result = (u8)(evData0 >> 16); + + if (status == MPI_EVENT_SAS_SMP_FUNCTION_RESULT_VALID) + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS SMP Error: port=%d result=0x%02x", + port_num, result); + else if (status == MPI_EVENT_SAS_SMP_CRC_ERROR) + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS SMP Error: port=%d : CRC Error", + port_num); + else if (status == MPI_EVENT_SAS_SMP_TIMEOUT) + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS SMP Error: port=%d : Timeout", + port_num); + else if (status == MPI_EVENT_SAS_SMP_NO_DESTINATION) + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS SMP Error: port=%d : No Destination", + port_num); + else if (status == MPI_EVENT_SAS_SMP_BAD_DESTINATION) + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS SMP Error: port=%d : Bad Destination", + port_num); + else + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS SMP Error: port=%d : status=0x%02x", + port_num, status); + break; + } + + case MPI_EVENT_SAS_EXPANDER_STATUS_CHANGE: + { + u8 reason = (u8)(evData0); + + switch (reason) { + case MPI_EVENT_SAS_EXP_RC_ADDED: + ds = "Expander Status Change: Added"; + break; + case MPI_EVENT_SAS_EXP_RC_NOT_RESPONDING: + ds = "Expander Status Change: Deleted"; + break; + default: + ds = "Expander Status Change"; + break; + } + break; + } + + /* + * MPT base "custom" events may be added here... + */ + default: + ds = "Unknown"; + break; + } + if (ds) + strscpy(evStr, ds, EVENT_DESCR_STR_SZ); + + + devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "MPT event:(%02Xh) : %s\n", + ioc->name, event, evStr)); + + devtverboseprintk(ioc, printk(KERN_DEBUG MYNAM + ": Event data:\n")); + for (ii = 0; ii < le16_to_cpu(pEventReply->EventDataLength); ii++) + devtverboseprintk(ioc, printk(" %08x", + le32_to_cpu(pEventReply->Data[ii]))); + devtverboseprintk(ioc, printk(KERN_DEBUG "\n")); +} +#endif +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * ProcessEventNotification - Route EventNotificationReply to all event handlers + * @ioc: Pointer to MPT_ADAPTER structure + * @pEventReply: Pointer to EventNotification reply frame + * @evHandlers: Pointer to integer, number of event handlers + * + * Routes a received EventNotificationReply to all currently registered + * event handlers. + * Returns sum of event handlers return values. + */ +static int +ProcessEventNotification(MPT_ADAPTER *ioc, EventNotificationReply_t *pEventReply, int *evHandlers) +{ + u16 evDataLen; + u32 evData0 = 0; + int ii; + u8 cb_idx; + int r = 0; + int handlers = 0; + u8 event; + + /* + * Do platform normalization of values + */ + event = le32_to_cpu(pEventReply->Event) & 0xFF; + evDataLen = le16_to_cpu(pEventReply->EventDataLength); + if (evDataLen) { + evData0 = le32_to_cpu(pEventReply->Data[0]); + } + +#ifdef CONFIG_FUSION_LOGGING + if (evDataLen) + mpt_display_event_info(ioc, pEventReply); +#endif + + /* + * Do general / base driver event processing + */ + switch(event) { + case MPI_EVENT_EVENT_CHANGE: /* 0A */ + if (evDataLen) { + u8 evState = evData0 & 0xFF; + + /* CHECKME! What if evState unexpectedly says OFF (0)? */ + + /* Update EventState field in cached IocFacts */ + if (ioc->facts.Function) { + ioc->facts.EventState = evState; + } + } + break; + case MPI_EVENT_INTEGRATED_RAID: + mptbase_raid_process_event_data(ioc, + (MpiEventDataRaid_t *)pEventReply->Data); + break; + default: + break; + } + + /* + * Should this event be logged? Events are written sequentially. + * When buffer is full, start again at the top. + */ + if (ioc->events && (ioc->eventTypes & ( 1 << event))) { + int idx; + + idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE; + + ioc->events[idx].event = event; + ioc->events[idx].eventContext = ioc->eventContext; + + for (ii = 0; ii < 2; ii++) { + if (ii < evDataLen) + ioc->events[idx].data[ii] = le32_to_cpu(pEventReply->Data[ii]); + else + ioc->events[idx].data[ii] = 0; + } + + ioc->eventContext++; + } + + + /* + * Call each currently registered protocol event handler. + */ + for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) { + if (MptEvHandlers[cb_idx]) { + devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "Routing Event to event handler #%d\n", + ioc->name, cb_idx)); + r += (*(MptEvHandlers[cb_idx]))(ioc, pEventReply); + handlers++; + } + } + /* FIXME? Examine results here? */ + + /* + * If needed, send (a single) EventAck. + */ + if (pEventReply->AckRequired == MPI_EVENT_NOTIFICATION_ACK_REQUIRED) { + devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "EventAck required\n",ioc->name)); + if ((ii = SendEventAck(ioc, pEventReply)) != 0) { + devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SendEventAck returned %d\n", + ioc->name, ii)); + } + } + + *evHandlers = handlers; + return r; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_fc_log_info - Log information returned from Fibre Channel IOC. + * @ioc: Pointer to MPT_ADAPTER structure + * @log_info: U32 LogInfo reply word from the IOC + * + * Refer to lsi/mpi_log_fc.h. + */ +static void +mpt_fc_log_info(MPT_ADAPTER *ioc, u32 log_info) +{ + char *desc = "unknown"; + + switch (log_info & 0xFF000000) { + case MPI_IOCLOGINFO_FC_INIT_BASE: + desc = "FCP Initiator"; + break; + case MPI_IOCLOGINFO_FC_TARGET_BASE: + desc = "FCP Target"; + break; + case MPI_IOCLOGINFO_FC_LAN_BASE: + desc = "LAN"; + break; + case MPI_IOCLOGINFO_FC_MSG_BASE: + desc = "MPI Message Layer"; + break; + case MPI_IOCLOGINFO_FC_LINK_BASE: + desc = "FC Link"; + break; + case MPI_IOCLOGINFO_FC_CTX_BASE: + desc = "Context Manager"; + break; + case MPI_IOCLOGINFO_FC_INVALID_FIELD_BYTE_OFFSET: + desc = "Invalid Field Offset"; + break; + case MPI_IOCLOGINFO_FC_STATE_CHANGE: + desc = "State Change Info"; + break; + } + + printk(MYIOC_s_INFO_FMT "LogInfo(0x%08x): SubClass={%s}, Value=(0x%06x)\n", + ioc->name, log_info, desc, (log_info & 0xFFFFFF)); +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_spi_log_info - Log information returned from SCSI Parallel IOC. + * @ioc: Pointer to MPT_ADAPTER structure + * @log_info: U32 LogInfo word from the IOC + * + * Refer to lsi/sp_log.h. + */ +static void +mpt_spi_log_info(MPT_ADAPTER *ioc, u32 log_info) +{ + u32 info = log_info & 0x00FF0000; + char *desc = "unknown"; + + switch (info) { + case 0x00010000: + desc = "bug! MID not found"; + break; + + case 0x00020000: + desc = "Parity Error"; + break; + + case 0x00030000: + desc = "ASYNC Outbound Overrun"; + break; + + case 0x00040000: + desc = "SYNC Offset Error"; + break; + + case 0x00050000: + desc = "BM Change"; + break; + + case 0x00060000: + desc = "Msg In Overflow"; + break; + + case 0x00070000: + desc = "DMA Error"; + break; + + case 0x00080000: + desc = "Outbound DMA Overrun"; + break; + + case 0x00090000: + desc = "Task Management"; + break; + + case 0x000A0000: + desc = "Device Problem"; + break; + + case 0x000B0000: + desc = "Invalid Phase Change"; + break; + + case 0x000C0000: + desc = "Untagged Table Size"; + break; + + } + + printk(MYIOC_s_INFO_FMT "LogInfo(0x%08x): F/W: %s\n", ioc->name, log_info, desc); +} + +/* strings for sas loginfo */ + static char *originator_str[] = { + "IOP", /* 00h */ + "PL", /* 01h */ + "IR" /* 02h */ + }; + static char *iop_code_str[] = { + NULL, /* 00h */ + "Invalid SAS Address", /* 01h */ + NULL, /* 02h */ + "Invalid Page", /* 03h */ + "Diag Message Error", /* 04h */ + "Task Terminated", /* 05h */ + "Enclosure Management", /* 06h */ + "Target Mode" /* 07h */ + }; + static char *pl_code_str[] = { + NULL, /* 00h */ + "Open Failure", /* 01h */ + "Invalid Scatter Gather List", /* 02h */ + "Wrong Relative Offset or Frame Length", /* 03h */ + "Frame Transfer Error", /* 04h */ + "Transmit Frame Connected Low", /* 05h */ + "SATA Non-NCQ RW Error Bit Set", /* 06h */ + "SATA Read Log Receive Data Error", /* 07h */ + "SATA NCQ Fail All Commands After Error", /* 08h */ + "SATA Error in Receive Set Device Bit FIS", /* 09h */ + "Receive Frame Invalid Message", /* 0Ah */ + "Receive Context Message Valid Error", /* 0Bh */ + "Receive Frame Current Frame Error", /* 0Ch */ + "SATA Link Down", /* 0Dh */ + "Discovery SATA Init W IOS", /* 0Eh */ + "Config Invalid Page", /* 0Fh */ + "Discovery SATA Init Timeout", /* 10h */ + "Reset", /* 11h */ + "Abort", /* 12h */ + "IO Not Yet Executed", /* 13h */ + "IO Executed", /* 14h */ + "Persistent Reservation Out Not Affiliation " + "Owner", /* 15h */ + "Open Transmit DMA Abort", /* 16h */ + "IO Device Missing Delay Retry", /* 17h */ + "IO Cancelled Due to Receive Error", /* 18h */ + NULL, /* 19h */ + NULL, /* 1Ah */ + NULL, /* 1Bh */ + NULL, /* 1Ch */ + NULL, /* 1Dh */ + NULL, /* 1Eh */ + NULL, /* 1Fh */ + "Enclosure Management" /* 20h */ + }; + static char *ir_code_str[] = { + "Raid Action Error", /* 00h */ + NULL, /* 00h */ + NULL, /* 01h */ + NULL, /* 02h */ + NULL, /* 03h */ + NULL, /* 04h */ + NULL, /* 05h */ + NULL, /* 06h */ + NULL /* 07h */ + }; + static char *raid_sub_code_str[] = { + NULL, /* 00h */ + "Volume Creation Failed: Data Passed too " + "Large", /* 01h */ + "Volume Creation Failed: Duplicate Volumes " + "Attempted", /* 02h */ + "Volume Creation Failed: Max Number " + "Supported Volumes Exceeded", /* 03h */ + "Volume Creation Failed: DMA Error", /* 04h */ + "Volume Creation Failed: Invalid Volume Type", /* 05h */ + "Volume Creation Failed: Error Reading " + "MFG Page 4", /* 06h */ + "Volume Creation Failed: Creating Internal " + "Structures", /* 07h */ + NULL, /* 08h */ + NULL, /* 09h */ + NULL, /* 0Ah */ + NULL, /* 0Bh */ + NULL, /* 0Ch */ + NULL, /* 0Dh */ + NULL, /* 0Eh */ + NULL, /* 0Fh */ + "Activation failed: Already Active Volume", /* 10h */ + "Activation failed: Unsupported Volume Type", /* 11h */ + "Activation failed: Too Many Active Volumes", /* 12h */ + "Activation failed: Volume ID in Use", /* 13h */ + "Activation failed: Reported Failure", /* 14h */ + "Activation failed: Importing a Volume", /* 15h */ + NULL, /* 16h */ + NULL, /* 17h */ + NULL, /* 18h */ + NULL, /* 19h */ + NULL, /* 1Ah */ + NULL, /* 1Bh */ + NULL, /* 1Ch */ + NULL, /* 1Dh */ + NULL, /* 1Eh */ + NULL, /* 1Fh */ + "Phys Disk failed: Too Many Phys Disks", /* 20h */ + "Phys Disk failed: Data Passed too Large", /* 21h */ + "Phys Disk failed: DMA Error", /* 22h */ + "Phys Disk failed: Invalid <channel:id>", /* 23h */ + "Phys Disk failed: Creating Phys Disk Config " + "Page", /* 24h */ + NULL, /* 25h */ + NULL, /* 26h */ + NULL, /* 27h */ + NULL, /* 28h */ + NULL, /* 29h */ + NULL, /* 2Ah */ + NULL, /* 2Bh */ + NULL, /* 2Ch */ + NULL, /* 2Dh */ + NULL, /* 2Eh */ + NULL, /* 2Fh */ + "Compatibility Error: IR Disabled", /* 30h */ + "Compatibility Error: Inquiry Command Failed", /* 31h */ + "Compatibility Error: Device not Direct Access " + "Device ", /* 32h */ + "Compatibility Error: Removable Device Found", /* 33h */ + "Compatibility Error: Device SCSI Version not " + "2 or Higher", /* 34h */ + "Compatibility Error: SATA Device, 48 BIT LBA " + "not Supported", /* 35h */ + "Compatibility Error: Device doesn't have " + "512 Byte Block Sizes", /* 36h */ + "Compatibility Error: Volume Type Check Failed", /* 37h */ + "Compatibility Error: Volume Type is " + "Unsupported by FW", /* 38h */ + "Compatibility Error: Disk Drive too Small for " + "use in Volume", /* 39h */ + "Compatibility Error: Phys Disk for Create " + "Volume not Found", /* 3Ah */ + "Compatibility Error: Too Many or too Few " + "Disks for Volume Type", /* 3Bh */ + "Compatibility Error: Disk stripe Sizes " + "Must be 64KB", /* 3Ch */ + "Compatibility Error: IME Size Limited to < 2TB", /* 3Dh */ + }; + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_sas_log_info - Log information returned from SAS IOC. + * @ioc: Pointer to MPT_ADAPTER structure + * @log_info: U32 LogInfo reply word from the IOC + * @cb_idx: callback function's handle + * + * Refer to lsi/mpi_log_sas.h. + **/ +static void +mpt_sas_log_info(MPT_ADAPTER *ioc, u32 log_info, u8 cb_idx) +{ + union loginfo_type { + u32 loginfo; + struct { + u32 subcode:16; + u32 code:8; + u32 originator:4; + u32 bus_type:4; + } dw; + }; + union loginfo_type sas_loginfo; + char *originator_desc = NULL; + char *code_desc = NULL; + char *sub_code_desc = NULL; + + sas_loginfo.loginfo = log_info; + if ((sas_loginfo.dw.bus_type != 3 /*SAS*/) && + (sas_loginfo.dw.originator < ARRAY_SIZE(originator_str))) + return; + + originator_desc = originator_str[sas_loginfo.dw.originator]; + + switch (sas_loginfo.dw.originator) { + + case 0: /* IOP */ + if (sas_loginfo.dw.code < + ARRAY_SIZE(iop_code_str)) + code_desc = iop_code_str[sas_loginfo.dw.code]; + break; + case 1: /* PL */ + if (sas_loginfo.dw.code < + ARRAY_SIZE(pl_code_str)) + code_desc = pl_code_str[sas_loginfo.dw.code]; + break; + case 2: /* IR */ + if (sas_loginfo.dw.code >= + ARRAY_SIZE(ir_code_str)) + break; + code_desc = ir_code_str[sas_loginfo.dw.code]; + if (sas_loginfo.dw.subcode >= + ARRAY_SIZE(raid_sub_code_str)) + break; + if (sas_loginfo.dw.code == 0) + sub_code_desc = + raid_sub_code_str[sas_loginfo.dw.subcode]; + break; + default: + return; + } + + if (sub_code_desc != NULL) + printk(MYIOC_s_INFO_FMT + "LogInfo(0x%08x): Originator={%s}, Code={%s}," + " SubCode={%s} cb_idx %s\n", + ioc->name, log_info, originator_desc, code_desc, + sub_code_desc, MptCallbacksName[cb_idx]); + else if (code_desc != NULL) + printk(MYIOC_s_INFO_FMT + "LogInfo(0x%08x): Originator={%s}, Code={%s}," + " SubCode(0x%04x) cb_idx %s\n", + ioc->name, log_info, originator_desc, code_desc, + sas_loginfo.dw.subcode, MptCallbacksName[cb_idx]); + else + printk(MYIOC_s_INFO_FMT + "LogInfo(0x%08x): Originator={%s}, Code=(0x%02x)," + " SubCode(0x%04x) cb_idx %s\n", + ioc->name, log_info, originator_desc, + sas_loginfo.dw.code, sas_loginfo.dw.subcode, + MptCallbacksName[cb_idx]); +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mpt_iocstatus_info_config - IOCSTATUS information for config pages + * @ioc: Pointer to MPT_ADAPTER structure + * @ioc_status: U32 IOCStatus word from IOC + * @mf: Pointer to MPT request frame + * + * Refer to lsi/mpi.h. + **/ +static void +mpt_iocstatus_info_config(MPT_ADAPTER *ioc, u32 ioc_status, MPT_FRAME_HDR *mf) +{ + Config_t *pReq = (Config_t *)mf; + char extend_desc[EVENT_DESCR_STR_SZ]; + char *desc = NULL; + u32 form; + u8 page_type; + + if (pReq->Header.PageType == MPI_CONFIG_PAGETYPE_EXTENDED) + page_type = pReq->ExtPageType; + else + page_type = pReq->Header.PageType; + + /* + * ignore invalid page messages for GET_NEXT_HANDLE + */ + form = le32_to_cpu(pReq->PageAddress); + if (ioc_status == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) { + if (page_type == MPI_CONFIG_EXTPAGETYPE_SAS_DEVICE || + page_type == MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER || + page_type == MPI_CONFIG_EXTPAGETYPE_ENCLOSURE) { + if ((form >> MPI_SAS_DEVICE_PGAD_FORM_SHIFT) == + MPI_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE) + return; + } + if (page_type == MPI_CONFIG_PAGETYPE_FC_DEVICE) + if ((form & MPI_FC_DEVICE_PGAD_FORM_MASK) == + MPI_FC_DEVICE_PGAD_FORM_NEXT_DID) + return; + } + + snprintf(extend_desc, EVENT_DESCR_STR_SZ, + "type=%02Xh, page=%02Xh, action=%02Xh, form=%08Xh", + page_type, pReq->Header.PageNumber, pReq->Action, form); + + switch (ioc_status) { + + case MPI_IOCSTATUS_CONFIG_INVALID_ACTION: /* 0x0020 */ + desc = "Config Page Invalid Action"; + break; + + case MPI_IOCSTATUS_CONFIG_INVALID_TYPE: /* 0x0021 */ + desc = "Config Page Invalid Type"; + break; + + case MPI_IOCSTATUS_CONFIG_INVALID_PAGE: /* 0x0022 */ + desc = "Config Page Invalid Page"; + break; + + case MPI_IOCSTATUS_CONFIG_INVALID_DATA: /* 0x0023 */ + desc = "Config Page Invalid Data"; + break; + + case MPI_IOCSTATUS_CONFIG_NO_DEFAULTS: /* 0x0024 */ + desc = "Config Page No Defaults"; + break; + + case MPI_IOCSTATUS_CONFIG_CANT_COMMIT: /* 0x0025 */ + desc = "Config Page Can't Commit"; + break; + } + + if (!desc) + return; + + dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IOCStatus(0x%04X): %s: %s\n", + ioc->name, ioc_status, desc, extend_desc)); +} + +/** + * mpt_iocstatus_info - IOCSTATUS information returned from IOC. + * @ioc: Pointer to MPT_ADAPTER structure + * @ioc_status: U32 IOCStatus word from IOC + * @mf: Pointer to MPT request frame + * + * Refer to lsi/mpi.h. + **/ +static void +mpt_iocstatus_info(MPT_ADAPTER *ioc, u32 ioc_status, MPT_FRAME_HDR *mf) +{ + u32 status = ioc_status & MPI_IOCSTATUS_MASK; + char *desc = NULL; + + switch (status) { + +/****************************************************************************/ +/* Common IOCStatus values for all replies */ +/****************************************************************************/ + + case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */ + desc = "Invalid Function"; + break; + + case MPI_IOCSTATUS_BUSY: /* 0x0002 */ + desc = "Busy"; + break; + + case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */ + desc = "Invalid SGL"; + break; + + case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */ + desc = "Internal Error"; + break; + + case MPI_IOCSTATUS_RESERVED: /* 0x0005 */ + desc = "Reserved"; + break; + + case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */ + desc = "Insufficient Resources"; + break; + + case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */ + desc = "Invalid Field"; + break; + + case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */ + desc = "Invalid State"; + break; + +/****************************************************************************/ +/* Config IOCStatus values */ +/****************************************************************************/ + + case MPI_IOCSTATUS_CONFIG_INVALID_ACTION: /* 0x0020 */ + case MPI_IOCSTATUS_CONFIG_INVALID_TYPE: /* 0x0021 */ + case MPI_IOCSTATUS_CONFIG_INVALID_PAGE: /* 0x0022 */ + case MPI_IOCSTATUS_CONFIG_INVALID_DATA: /* 0x0023 */ + case MPI_IOCSTATUS_CONFIG_NO_DEFAULTS: /* 0x0024 */ + case MPI_IOCSTATUS_CONFIG_CANT_COMMIT: /* 0x0025 */ + mpt_iocstatus_info_config(ioc, status, mf); + break; + +/****************************************************************************/ +/* SCSIIO Reply (SPI, FCP, SAS) initiator values */ +/* */ +/* Look at mptscsih_iocstatus_info_scsiio in mptscsih.c */ +/* */ +/****************************************************************************/ + + case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */ + case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */ + case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */ + case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */ + case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */ + case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */ + case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */ + case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */ + case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */ + case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */ + case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */ + case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */ + case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */ + break; + +/****************************************************************************/ +/* SCSI Target values */ +/****************************************************************************/ + + case MPI_IOCSTATUS_TARGET_PRIORITY_IO: /* 0x0060 */ + desc = "Target: Priority IO"; + break; + + case MPI_IOCSTATUS_TARGET_INVALID_PORT: /* 0x0061 */ + desc = "Target: Invalid Port"; + break; + + case MPI_IOCSTATUS_TARGET_INVALID_IO_INDEX: /* 0x0062 */ + desc = "Target Invalid IO Index:"; + break; + + case MPI_IOCSTATUS_TARGET_ABORTED: /* 0x0063 */ + desc = "Target: Aborted"; + break; + + case MPI_IOCSTATUS_TARGET_NO_CONN_RETRYABLE: /* 0x0064 */ + desc = "Target: No Conn Retryable"; + break; + + case MPI_IOCSTATUS_TARGET_NO_CONNECTION: /* 0x0065 */ + desc = "Target: No Connection"; + break; + + case MPI_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH: /* 0x006A */ + desc = "Target: Transfer Count Mismatch"; + break; + + case MPI_IOCSTATUS_TARGET_STS_DATA_NOT_SENT: /* 0x006B */ + desc = "Target: STS Data not Sent"; + break; + + case MPI_IOCSTATUS_TARGET_DATA_OFFSET_ERROR: /* 0x006D */ + desc = "Target: Data Offset Error"; + break; + + case MPI_IOCSTATUS_TARGET_TOO_MUCH_WRITE_DATA: /* 0x006E */ + desc = "Target: Too Much Write Data"; + break; + + case MPI_IOCSTATUS_TARGET_IU_TOO_SHORT: /* 0x006F */ + desc = "Target: IU Too Short"; + break; + + case MPI_IOCSTATUS_TARGET_ACK_NAK_TIMEOUT: /* 0x0070 */ + desc = "Target: ACK NAK Timeout"; + break; + + case MPI_IOCSTATUS_TARGET_NAK_RECEIVED: /* 0x0071 */ + desc = "Target: Nak Received"; + break; + +/****************************************************************************/ +/* Fibre Channel Direct Access values */ +/****************************************************************************/ + + case MPI_IOCSTATUS_FC_ABORTED: /* 0x0066 */ + desc = "FC: Aborted"; + break; + + case MPI_IOCSTATUS_FC_RX_ID_INVALID: /* 0x0067 */ + desc = "FC: RX ID Invalid"; + break; + + case MPI_IOCSTATUS_FC_DID_INVALID: /* 0x0068 */ + desc = "FC: DID Invalid"; + break; + + case MPI_IOCSTATUS_FC_NODE_LOGGED_OUT: /* 0x0069 */ + desc = "FC: Node Logged Out"; + break; + + case MPI_IOCSTATUS_FC_EXCHANGE_CANCELED: /* 0x006C */ + desc = "FC: Exchange Canceled"; + break; + +/****************************************************************************/ +/* LAN values */ +/****************************************************************************/ + + case MPI_IOCSTATUS_LAN_DEVICE_NOT_FOUND: /* 0x0080 */ + desc = "LAN: Device not Found"; + break; + + case MPI_IOCSTATUS_LAN_DEVICE_FAILURE: /* 0x0081 */ + desc = "LAN: Device Failure"; + break; + + case MPI_IOCSTATUS_LAN_TRANSMIT_ERROR: /* 0x0082 */ + desc = "LAN: Transmit Error"; + break; + + case MPI_IOCSTATUS_LAN_TRANSMIT_ABORTED: /* 0x0083 */ + desc = "LAN: Transmit Aborted"; + break; + + case MPI_IOCSTATUS_LAN_RECEIVE_ERROR: /* 0x0084 */ + desc = "LAN: Receive Error"; + break; + + case MPI_IOCSTATUS_LAN_RECEIVE_ABORTED: /* 0x0085 */ + desc = "LAN: Receive Aborted"; + break; + + case MPI_IOCSTATUS_LAN_PARTIAL_PACKET: /* 0x0086 */ + desc = "LAN: Partial Packet"; + break; + + case MPI_IOCSTATUS_LAN_CANCELED: /* 0x0087 */ + desc = "LAN: Canceled"; + break; + +/****************************************************************************/ +/* Serial Attached SCSI values */ +/****************************************************************************/ + + case MPI_IOCSTATUS_SAS_SMP_REQUEST_FAILED: /* 0x0090 */ + desc = "SAS: SMP Request Failed"; + break; + + case MPI_IOCSTATUS_SAS_SMP_DATA_OVERRUN: /* 0x0090 */ + desc = "SAS: SMP Data Overrun"; + break; + + default: + desc = "Others"; + break; + } + + if (!desc) + return; + + dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IOCStatus(0x%04X): %s\n", + ioc->name, status, desc)); +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +EXPORT_SYMBOL(mpt_attach); +EXPORT_SYMBOL(mpt_detach); +#ifdef CONFIG_PM +EXPORT_SYMBOL(mpt_resume); +EXPORT_SYMBOL(mpt_suspend); +#endif +EXPORT_SYMBOL(ioc_list); +EXPORT_SYMBOL(mpt_register); +EXPORT_SYMBOL(mpt_deregister); +EXPORT_SYMBOL(mpt_event_register); +EXPORT_SYMBOL(mpt_event_deregister); +EXPORT_SYMBOL(mpt_reset_register); +EXPORT_SYMBOL(mpt_reset_deregister); +EXPORT_SYMBOL(mpt_device_driver_register); +EXPORT_SYMBOL(mpt_device_driver_deregister); +EXPORT_SYMBOL(mpt_get_msg_frame); +EXPORT_SYMBOL(mpt_put_msg_frame); +EXPORT_SYMBOL(mpt_put_msg_frame_hi_pri); +EXPORT_SYMBOL(mpt_free_msg_frame); +EXPORT_SYMBOL(mpt_send_handshake_request); +EXPORT_SYMBOL(mpt_verify_adapter); +EXPORT_SYMBOL(mpt_GetIocState); +EXPORT_SYMBOL(mpt_print_ioc_summary); +EXPORT_SYMBOL(mpt_HardResetHandler); +EXPORT_SYMBOL(mpt_config); +EXPORT_SYMBOL(mpt_findImVolumes); +EXPORT_SYMBOL(mpt_alloc_fw_memory); +EXPORT_SYMBOL(mpt_free_fw_memory); +EXPORT_SYMBOL(mptbase_sas_persist_operation); +EXPORT_SYMBOL(mpt_raid_phys_disk_pg0); + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * fusion_init - Fusion MPT base driver initialization routine. + * + * Returns 0 for success, non-zero for failure. + */ +static int __init +fusion_init(void) +{ + u8 cb_idx; + + show_mptmod_ver(my_NAME, my_VERSION); + printk(KERN_INFO COPYRIGHT "\n"); + + for (cb_idx = 0; cb_idx < MPT_MAX_PROTOCOL_DRIVERS; cb_idx++) { + MptCallbacks[cb_idx] = NULL; + MptDriverClass[cb_idx] = MPTUNKNOWN_DRIVER; + MptEvHandlers[cb_idx] = NULL; + MptResetHandlers[cb_idx] = NULL; + } + + /* Register ourselves (mptbase) in order to facilitate + * EventNotification handling. + */ + mpt_base_index = mpt_register(mptbase_reply, MPTBASE_DRIVER, + "mptbase_reply"); + + /* Register for hard reset handling callbacks. + */ + mpt_reset_register(mpt_base_index, mpt_ioc_reset); + +#ifdef CONFIG_PROC_FS + (void) procmpt_create(); +#endif + return 0; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * fusion_exit - Perform driver unload cleanup. + * + * This routine frees all resources associated with each MPT adapter + * and removes all %MPT_PROCFS_MPTBASEDIR entries. + */ +static void __exit +fusion_exit(void) +{ + + mpt_reset_deregister(mpt_base_index); + +#ifdef CONFIG_PROC_FS + procmpt_destroy(); +#endif +} + +module_init(fusion_init); +module_exit(fusion_exit); |