diff options
Diffstat (limited to 'drivers/message/fusion/mptctl.c')
| -rw-r--r-- | drivers/message/fusion/mptctl.c | 2957 |
1 files changed, 2957 insertions, 0 deletions
diff --git a/drivers/message/fusion/mptctl.c b/drivers/message/fusion/mptctl.c new file mode 100644 index 000000000..52c7020c9 --- /dev/null +++ b/drivers/message/fusion/mptctl.c @@ -0,0 +1,2957 @@ +/* + * linux/drivers/message/fusion/mptctl.c + * mpt Ioctl driver. + * For use with LSI PCI chip/adapters + * 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/slab.h> +#include <linux/types.h> +#include <linux/pci.h> +#include <linux/delay.h> /* for mdelay */ +#include <linux/miscdevice.h> +#include <linux/mutex.h> +#include <linux/compat.h> + +#include <asm/io.h> +#include <linux/uaccess.h> + +#include <scsi/scsi.h> +#include <scsi/scsi_cmnd.h> +#include <scsi/scsi_device.h> +#include <scsi/scsi_host.h> +#include <scsi/scsi_tcq.h> + +#define COPYRIGHT "Copyright (c) 1999-2008 LSI Corporation" +#define MODULEAUTHOR "LSI Corporation" +#include "mptbase.h" +#include "mptctl.h" + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +#define my_NAME "Fusion MPT misc device (ioctl) driver" +#define my_VERSION MPT_LINUX_VERSION_COMMON +#define MYNAM "mptctl" + +MODULE_AUTHOR(MODULEAUTHOR); +MODULE_DESCRIPTION(my_NAME); +MODULE_LICENSE("GPL"); +MODULE_VERSION(my_VERSION); + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ + +static DEFINE_MUTEX(mpctl_mutex); +static u8 mptctl_id = MPT_MAX_PROTOCOL_DRIVERS; +static u8 mptctl_taskmgmt_id = MPT_MAX_PROTOCOL_DRIVERS; + +static DECLARE_WAIT_QUEUE_HEAD ( mptctl_wait ); + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ + +struct buflist { + u8 *kptr; + int len; +}; + +/* + * Function prototypes. Called from OS entry point mptctl_ioctl. + * arg contents specific to function. + */ +static int mptctl_fw_download(MPT_ADAPTER *iocp, unsigned long arg); +static int mptctl_getiocinfo(MPT_ADAPTER *iocp, unsigned long arg, unsigned int cmd); +static int mptctl_gettargetinfo(MPT_ADAPTER *iocp, unsigned long arg); +static int mptctl_readtest(MPT_ADAPTER *iocp, unsigned long arg); +static int mptctl_mpt_command(MPT_ADAPTER *iocp, unsigned long arg); +static int mptctl_eventquery(MPT_ADAPTER *iocp, unsigned long arg); +static int mptctl_eventenable(MPT_ADAPTER *iocp, unsigned long arg); +static int mptctl_eventreport(MPT_ADAPTER *iocp, unsigned long arg); +static int mptctl_replace_fw(MPT_ADAPTER *iocp, unsigned long arg); + +static int mptctl_do_reset(MPT_ADAPTER *iocp, unsigned long arg); +static int mptctl_hp_hostinfo(MPT_ADAPTER *iocp, unsigned long arg, unsigned int cmd); +static int mptctl_hp_targetinfo(MPT_ADAPTER *iocp, unsigned long arg); + +static int mptctl_probe(struct pci_dev *); +static void mptctl_remove(struct pci_dev *); + +#ifdef CONFIG_COMPAT +static long compat_mpctl_ioctl(struct file *f, unsigned cmd, unsigned long arg); +#endif +/* + * Private function calls. + */ +static int mptctl_do_mpt_command(MPT_ADAPTER *iocp, struct mpt_ioctl_command karg, void __user *mfPtr); +static int mptctl_do_fw_download(MPT_ADAPTER *iocp, char __user *ufwbuf, size_t fwlen); +static MptSge_t *kbuf_alloc_2_sgl(int bytes, u32 dir, int sge_offset, int *frags, + struct buflist **blp, dma_addr_t *sglbuf_dma, MPT_ADAPTER *ioc); +static void kfree_sgl(MptSge_t *sgl, dma_addr_t sgl_dma, + struct buflist *buflist, MPT_ADAPTER *ioc); + +/* + * Reset Handler cleanup function + */ +static int mptctl_ioc_reset(MPT_ADAPTER *ioc, int reset_phase); + +/* + * Event Handler function + */ +static int mptctl_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply); +static struct fasync_struct *async_queue=NULL; + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/* + * Scatter gather list (SGL) sizes and limits... + */ +//#define MAX_SCSI_FRAGS 9 +#define MAX_FRAGS_SPILL1 9 +#define MAX_FRAGS_SPILL2 15 +#define FRAGS_PER_BUCKET (MAX_FRAGS_SPILL2 + 1) + +//#define MAX_CHAIN_FRAGS 64 +//#define MAX_CHAIN_FRAGS (15+15+15+16) +#define MAX_CHAIN_FRAGS (4 * MAX_FRAGS_SPILL2 + 1) + +// Define max sg LIST bytes ( == (#frags + #chains) * 8 bytes each) +// Works out to: 592d bytes! (9+1)*8 + 4*(15+1)*8 +// ^----------------- 80 + 512 +#define MAX_SGL_BYTES ((MAX_FRAGS_SPILL1 + 1 + (4 * FRAGS_PER_BUCKET)) * 8) + +/* linux only seems to ever give 128kB MAX contiguous (GFP_USER) mem bytes */ +#define MAX_KMALLOC_SZ (128*1024) + +#define MPT_IOCTL_DEFAULT_TIMEOUT 10 /* Default timeout value (seconds) */ + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mptctl_syscall_down - Down the MPT adapter syscall semaphore. + * @ioc: Pointer to MPT adapter + * @nonblock: boolean, non-zero if O_NONBLOCK is set + * + * All of the ioctl commands can potentially sleep, which is illegal + * with a spinlock held, thus we perform mutual exclusion here. + * + * Returns negative errno on error, or zero for success. + */ +static inline int +mptctl_syscall_down(MPT_ADAPTER *ioc, int nonblock) +{ + int rc = 0; + + if (nonblock) { + if (!mutex_trylock(&ioc->ioctl_cmds.mutex)) + rc = -EAGAIN; + } else { + if (mutex_lock_interruptible(&ioc->ioctl_cmds.mutex)) + rc = -ERESTARTSYS; + } + return rc; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/* + * This is the callback for any message we have posted. The message itself + * will be returned to the message pool when we return from the IRQ + * + * This runs in irq context so be short and sweet. + */ +static int +mptctl_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply) +{ + char *sense_data; + int req_index; + int sz; + + if (!req) + return 0; + + dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "completing mpi function " + "(0x%02X), req=%p, reply=%p\n", ioc->name, req->u.hdr.Function, + req, reply)); + + /* + * Handling continuation of the same reply. Processing the first + * reply, and eating the other replys that come later. + */ + if (ioc->ioctl_cmds.msg_context != req->u.hdr.MsgContext) + goto out_continuation; + + ioc->ioctl_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD; + + if (!reply) + goto out; + + ioc->ioctl_cmds.status |= MPT_MGMT_STATUS_RF_VALID; + sz = min(ioc->reply_sz, 4*reply->u.reply.MsgLength); + memcpy(ioc->ioctl_cmds.reply, reply, sz); + + if (reply->u.reply.IOCStatus || reply->u.reply.IOCLogInfo) + dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "iocstatus (0x%04X), loginfo (0x%08X)\n", ioc->name, + le16_to_cpu(reply->u.reply.IOCStatus), + le32_to_cpu(reply->u.reply.IOCLogInfo))); + + if ((req->u.hdr.Function == MPI_FUNCTION_SCSI_IO_REQUEST) || + (req->u.hdr.Function == + MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) { + + if (reply->u.sreply.SCSIStatus || reply->u.sreply.SCSIState) + dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "scsi_status (0x%02x), scsi_state (0x%02x), " + "tag = (0x%04x), transfer_count (0x%08x)\n", ioc->name, + reply->u.sreply.SCSIStatus, + reply->u.sreply.SCSIState, + le16_to_cpu(reply->u.sreply.TaskTag), + le32_to_cpu(reply->u.sreply.TransferCount))); + + if (reply->u.sreply.SCSIState & + MPI_SCSI_STATE_AUTOSENSE_VALID) { + sz = req->u.scsireq.SenseBufferLength; + req_index = + le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx); + sense_data = ((u8 *)ioc->sense_buf_pool + + (req_index * MPT_SENSE_BUFFER_ALLOC)); + memcpy(ioc->ioctl_cmds.sense, sense_data, sz); + ioc->ioctl_cmds.status |= MPT_MGMT_STATUS_SENSE_VALID; + } + } + + out: + /* We are done, issue wake up + */ + if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_PENDING) { + if (req->u.hdr.Function == MPI_FUNCTION_SCSI_TASK_MGMT) { + mpt_clear_taskmgmt_in_progress_flag(ioc); + ioc->ioctl_cmds.status &= ~MPT_MGMT_STATUS_PENDING; + complete(&ioc->ioctl_cmds.done); + if (ioc->bus_type == SAS) + ioc->schedule_target_reset(ioc); + } else { + ioc->ioctl_cmds.status &= ~MPT_MGMT_STATUS_PENDING; + complete(&ioc->ioctl_cmds.done); + } + } + + out_continuation: + if (reply && (reply->u.reply.MsgFlags & + MPI_MSGFLAGS_CONTINUATION_REPLY)) + return 0; + return 1; +} + + +static int +mptctl_taskmgmt_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr) +{ + if (!mf) + return 0; + + dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "TaskMgmt completed (mf=%p, mr=%p)\n", + ioc->name, mf, mr)); + + ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD; + + if (!mr) + goto out; + + ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID; + memcpy(ioc->taskmgmt_cmds.reply, mr, + min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength)); + out: + if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) { + mpt_clear_taskmgmt_in_progress_flag(ioc); + ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING; + complete(&ioc->taskmgmt_cmds.done); + if (ioc->bus_type == SAS) + ioc->schedule_target_reset(ioc); + return 1; + } + return 0; +} + +static int +mptctl_do_taskmgmt(MPT_ADAPTER *ioc, u8 tm_type, u8 bus_id, u8 target_id) +{ + MPT_FRAME_HDR *mf; + SCSITaskMgmt_t *pScsiTm; + SCSITaskMgmtReply_t *pScsiTmReply; + int ii; + int retval; + unsigned long timeout; + u16 iocstatus; + + + mutex_lock(&ioc->taskmgmt_cmds.mutex); + if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) { + mutex_unlock(&ioc->taskmgmt_cmds.mutex); + return -EPERM; + } + + retval = 0; + + mf = mpt_get_msg_frame(mptctl_taskmgmt_id, ioc); + if (mf == NULL) { + dtmprintk(ioc, + printk(MYIOC_s_WARN_FMT "TaskMgmt, no msg frames!!\n", + ioc->name)); + mpt_clear_taskmgmt_in_progress_flag(ioc); + retval = -ENOMEM; + goto tm_done; + } + + dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n", + ioc->name, mf)); + + pScsiTm = (SCSITaskMgmt_t *) mf; + memset(pScsiTm, 0, sizeof(SCSITaskMgmt_t)); + pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT; + pScsiTm->TaskType = tm_type; + if ((tm_type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS) && + (ioc->bus_type == FC)) + pScsiTm->MsgFlags = + MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION; + pScsiTm->TargetID = target_id; + pScsiTm->Bus = bus_id; + pScsiTm->ChainOffset = 0; + pScsiTm->Reserved = 0; + pScsiTm->Reserved1 = 0; + pScsiTm->TaskMsgContext = 0; + for (ii= 0; ii < 8; ii++) + pScsiTm->LUN[ii] = 0; + for (ii=0; ii < 7; ii++) + pScsiTm->Reserved2[ii] = 0; + + switch (ioc->bus_type) { + case FC: + timeout = 40; + break; + case SAS: + timeout = 30; + break; + case SPI: + default: + timeout = 10; + break; + } + + dtmprintk(ioc, + printk(MYIOC_s_DEBUG_FMT "TaskMgmt type=%d timeout=%ld\n", + ioc->name, tm_type, timeout)); + + INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status) + if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) && + (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) + mpt_put_msg_frame_hi_pri(mptctl_taskmgmt_id, ioc, mf); + else { + retval = mpt_send_handshake_request(mptctl_taskmgmt_id, ioc, + sizeof(SCSITaskMgmt_t), (u32 *)pScsiTm, CAN_SLEEP); + if (retval != 0) { + dfailprintk(ioc, + printk(MYIOC_s_ERR_FMT + "TaskMgmt send_handshake FAILED!" + " (ioc %p, mf %p, rc=%d) \n", ioc->name, + ioc, mf, retval)); + mpt_free_msg_frame(ioc, mf); + mpt_clear_taskmgmt_in_progress_flag(ioc); + goto tm_done; + } + } + + /* Now wait for the command to complete */ + ii = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done, timeout*HZ); + + if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { + dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "TaskMgmt failed\n", ioc->name)); + mpt_free_msg_frame(ioc, mf); + mpt_clear_taskmgmt_in_progress_flag(ioc); + if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) + retval = 0; + else + retval = -1; /* return failure */ + goto tm_done; + } + + if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) { + dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "TaskMgmt failed\n", ioc->name)); + retval = -1; /* return failure */ + goto tm_done; + } + + pScsiTmReply = (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply; + dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "TaskMgmt fw_channel = %d, fw_id = %d, task_type=0x%02X, " + "iocstatus=0x%04X\n\tloginfo=0x%08X, response_code=0x%02X, " + "term_cmnds=%d\n", ioc->name, pScsiTmReply->Bus, + pScsiTmReply->TargetID, tm_type, + le16_to_cpu(pScsiTmReply->IOCStatus), + le32_to_cpu(pScsiTmReply->IOCLogInfo), + pScsiTmReply->ResponseCode, + le32_to_cpu(pScsiTmReply->TerminationCount))); + + iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK; + + if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED || + iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED || + iocstatus == MPI_IOCSTATUS_SUCCESS) + retval = 0; + else { + dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "TaskMgmt failed\n", ioc->name)); + retval = -1; /* return failure */ + } + + tm_done: + mutex_unlock(&ioc->taskmgmt_cmds.mutex); + CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status) + return retval; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/* mptctl_timeout_expired + * + * Expecting an interrupt, however timed out. + * + */ +static void +mptctl_timeout_expired(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf) +{ + unsigned long flags; + int ret_val = -1; + SCSIIORequest_t *scsi_req = (SCSIIORequest_t *) mf; + u8 function = mf->u.hdr.Function; + + dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": %s\n", + ioc->name, __func__)); + + if (mpt_fwfault_debug) + mpt_halt_firmware(ioc); + + spin_lock_irqsave(&ioc->taskmgmt_lock, flags); + if (ioc->ioc_reset_in_progress) { + spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); + CLEAR_MGMT_PENDING_STATUS(ioc->ioctl_cmds.status) + mpt_free_msg_frame(ioc, mf); + return; + } + spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); + + + CLEAR_MGMT_PENDING_STATUS(ioc->ioctl_cmds.status) + + if (ioc->bus_type == SAS) { + if (function == MPI_FUNCTION_SCSI_IO_REQUEST) + ret_val = mptctl_do_taskmgmt(ioc, + MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET, + scsi_req->Bus, scsi_req->TargetID); + else if (function == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) + ret_val = mptctl_do_taskmgmt(ioc, + MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, + scsi_req->Bus, 0); + if (!ret_val) + return; + } else { + if ((function == MPI_FUNCTION_SCSI_IO_REQUEST) || + (function == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) + ret_val = mptctl_do_taskmgmt(ioc, + MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, + scsi_req->Bus, 0); + if (!ret_val) + return; + } + + dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Calling Reset! \n", + ioc->name)); + mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); + mpt_free_msg_frame(ioc, mf); +} + + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/* mptctl_ioc_reset + * + * Clean-up functionality. Used only if there has been a + * reload of the FW due. + * + */ +static int +mptctl_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) +{ + switch(reset_phase) { + case MPT_IOC_SETUP_RESET: + 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__)); + if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_PENDING) { + ioc->ioctl_cmds.status |= MPT_MGMT_STATUS_DID_IOCRESET; + complete(&ioc->ioctl_cmds.done); + } + break; + default: + break; + } + + return 1; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/* ASYNC Event Notification Support */ +static int +mptctl_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply) +{ + u8 event; + + event = le32_to_cpu(pEvReply->Event) & 0xFF; + + dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s() called\n", + ioc->name, __func__)); + if(async_queue == NULL) + return 1; + + /* Raise SIGIO for persistent events. + * TODO - this define is not in MPI spec yet, + * but they plan to set it to 0x21 + */ + if (event == 0x21) { + ioc->aen_event_read_flag=1; + dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Raised SIGIO to application\n", + ioc->name)); + devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "Raised SIGIO to application\n", ioc->name)); + kill_fasync(&async_queue, SIGIO, POLL_IN); + return 1; + } + + /* This flag is set after SIGIO was raised, and + * remains set until the application has read + * the event log via ioctl=MPTEVENTREPORT + */ + if(ioc->aen_event_read_flag) + return 1; + + /* Signal only for the events that are + * requested for by the application + */ + if (ioc->events && (ioc->eventTypes & ( 1 << event))) { + ioc->aen_event_read_flag=1; + dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "Raised SIGIO to application\n", ioc->name)); + devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "Raised SIGIO to application\n", ioc->name)); + kill_fasync(&async_queue, SIGIO, POLL_IN); + } + return 1; +} + +static int +mptctl_fasync(int fd, struct file *filep, int mode) +{ + MPT_ADAPTER *ioc; + int ret; + + mutex_lock(&mpctl_mutex); + list_for_each_entry(ioc, &ioc_list, list) + ioc->aen_event_read_flag=0; + + ret = fasync_helper(fd, filep, mode, &async_queue); + mutex_unlock(&mpctl_mutex); + return ret; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/* + * MPT ioctl handler + * cmd - specify the particular IOCTL command to be issued + * arg - data specific to the command. Must not be null. + */ +static long +__mptctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +{ + mpt_ioctl_header __user *uhdr = (void __user *) arg; + mpt_ioctl_header khdr; + unsigned iocnumX; + int nonblock = (file->f_flags & O_NONBLOCK); + int ret; + MPT_ADAPTER *iocp = NULL; + + if (copy_from_user(&khdr, uhdr, sizeof(khdr))) { + printk(KERN_ERR MYNAM "%s::mptctl_ioctl() @%d - " + "Unable to copy mpt_ioctl_header data @ %p\n", + __FILE__, __LINE__, uhdr); + return -EFAULT; + } + ret = -ENXIO; /* (-6) No such device or address */ + + /* Verify intended MPT adapter - set iocnumX and the adapter + * pointer (iocp) + */ + iocnumX = khdr.iocnum & 0xFF; + if ((mpt_verify_adapter(iocnumX, &iocp) < 0) || (iocp == NULL)) + return -ENODEV; + + if (!iocp->active) { + printk(KERN_DEBUG MYNAM "%s::mptctl_ioctl() @%d - Controller disabled.\n", + __FILE__, __LINE__); + return -EFAULT; + } + + /* Handle those commands that are just returning + * information stored in the driver. + * These commands should never time out and are unaffected + * by TM and FW reloads. + */ + if ((cmd & ~IOCSIZE_MASK) == (MPTIOCINFO & ~IOCSIZE_MASK)) { + return mptctl_getiocinfo(iocp, arg, _IOC_SIZE(cmd)); + } else if (cmd == MPTTARGETINFO) { + return mptctl_gettargetinfo(iocp, arg); + } else if (cmd == MPTTEST) { + return mptctl_readtest(iocp, arg); + } else if (cmd == MPTEVENTQUERY) { + return mptctl_eventquery(iocp, arg); + } else if (cmd == MPTEVENTENABLE) { + return mptctl_eventenable(iocp, arg); + } else if (cmd == MPTEVENTREPORT) { + return mptctl_eventreport(iocp, arg); + } else if (cmd == MPTFWREPLACE) { + return mptctl_replace_fw(iocp, arg); + } + + /* All of these commands require an interrupt or + * are unknown/illegal. + */ + if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0) + return ret; + + if (cmd == MPTFWDOWNLOAD) + ret = mptctl_fw_download(iocp, arg); + else if (cmd == MPTCOMMAND) + ret = mptctl_mpt_command(iocp, arg); + else if (cmd == MPTHARDRESET) + ret = mptctl_do_reset(iocp, arg); + else if ((cmd & ~IOCSIZE_MASK) == (HP_GETHOSTINFO & ~IOCSIZE_MASK)) + ret = mptctl_hp_hostinfo(iocp, arg, _IOC_SIZE(cmd)); + else if (cmd == HP_GETTARGETINFO) + ret = mptctl_hp_targetinfo(iocp, arg); + else + ret = -EINVAL; + + mutex_unlock(&iocp->ioctl_cmds.mutex); + + return ret; +} + +static long +mptctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +{ + long ret; + mutex_lock(&mpctl_mutex); + ret = __mptctl_ioctl(file, cmd, arg); + mutex_unlock(&mpctl_mutex); + return ret; +} + +static int mptctl_do_reset(MPT_ADAPTER *iocp, unsigned long arg) +{ + struct mpt_ioctl_diag_reset __user *urinfo = (void __user *) arg; + struct mpt_ioctl_diag_reset krinfo; + + if (copy_from_user(&krinfo, urinfo, sizeof(struct mpt_ioctl_diag_reset))) { + printk(KERN_ERR MYNAM "%s@%d::mptctl_do_reset - " + "Unable to copy mpt_ioctl_diag_reset struct @ %p\n", + __FILE__, __LINE__, urinfo); + return -EFAULT; + } + + dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "mptctl_do_reset called.\n", + iocp->name)); + + if (mpt_HardResetHandler(iocp, CAN_SLEEP) != 0) { + printk (MYIOC_s_ERR_FMT "%s@%d::mptctl_do_reset - reset failed.\n", + iocp->name, __FILE__, __LINE__); + return -1; + } + + return 0; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/* + * MPT FW download function. Cast the arg into the mpt_fw_xfer structure. + * This structure contains: iocnum, firmware length (bytes), + * pointer to user space memory where the fw image is stored. + * + * Outputs: None. + * Return: 0 if successful + * -EFAULT if data unavailable + * -ENXIO if no such device + * -EAGAIN if resource problem + * -ENOMEM if no memory for SGE + * -EMLINK if too many chain buffers required + * -EBADRQC if adapter does not support FW download + * -EBUSY if adapter is busy + * -ENOMSG if FW upload returned bad status + */ +static int +mptctl_fw_download(MPT_ADAPTER *iocp, unsigned long arg) +{ + struct mpt_fw_xfer __user *ufwdl = (void __user *) arg; + struct mpt_fw_xfer kfwdl; + + if (copy_from_user(&kfwdl, ufwdl, sizeof(struct mpt_fw_xfer))) { + printk(KERN_ERR MYNAM "%s@%d::_ioctl_fwdl - " + "Unable to copy mpt_fw_xfer struct @ %p\n", + __FILE__, __LINE__, ufwdl); + return -EFAULT; + } + + return mptctl_do_fw_download(iocp, kfwdl.bufp, kfwdl.fwlen); +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/* + * FW Download engine. + * Outputs: None. + * Return: 0 if successful + * -EFAULT if data unavailable + * -ENXIO if no such device + * -EAGAIN if resource problem + * -ENOMEM if no memory for SGE + * -EMLINK if too many chain buffers required + * -EBADRQC if adapter does not support FW download + * -EBUSY if adapter is busy + * -ENOMSG if FW upload returned bad status + */ +static int +mptctl_do_fw_download(MPT_ADAPTER *iocp, char __user *ufwbuf, size_t fwlen) +{ + FWDownload_t *dlmsg; + MPT_FRAME_HDR *mf; + FWDownloadTCSGE_t *ptsge; + MptSge_t *sgl, *sgIn; + char *sgOut; + struct buflist *buflist; + struct buflist *bl; + dma_addr_t sgl_dma; + int ret; + int numfrags = 0; + int maxfrags; + int n = 0; + u32 sgdir; + u32 nib; + int fw_bytes_copied = 0; + int i; + int sge_offset = 0; + u16 iocstat; + pFWDownloadReply_t ReplyMsg = NULL; + unsigned long timeleft; + + /* Valid device. Get a message frame and construct the FW download message. + */ + if ((mf = mpt_get_msg_frame(mptctl_id, iocp)) == NULL) + return -EAGAIN; + + dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT + "mptctl_do_fwdl called. mptctl_id = %xh.\n", iocp->name, mptctl_id)); + dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "DbG: kfwdl.bufp = %p\n", + iocp->name, ufwbuf)); + dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "DbG: kfwdl.fwlen = %d\n", + iocp->name, (int)fwlen)); + + dlmsg = (FWDownload_t*) mf; + ptsge = (FWDownloadTCSGE_t *) &dlmsg->SGL; + sgOut = (char *) (ptsge + 1); + + /* + * Construct f/w download request + */ + dlmsg->ImageType = MPI_FW_DOWNLOAD_ITYPE_FW; + dlmsg->Reserved = 0; + dlmsg->ChainOffset = 0; + dlmsg->Function = MPI_FUNCTION_FW_DOWNLOAD; + dlmsg->Reserved1[0] = dlmsg->Reserved1[1] = dlmsg->Reserved1[2] = 0; + if (iocp->facts.MsgVersion >= MPI_VERSION_01_05) + dlmsg->MsgFlags = MPI_FW_DOWNLOAD_MSGFLGS_LAST_SEGMENT; + else + dlmsg->MsgFlags = 0; + + + /* Set up the Transaction SGE. + */ + ptsge->Reserved = 0; + ptsge->ContextSize = 0; + ptsge->DetailsLength = 12; + ptsge->Flags = MPI_SGE_FLAGS_TRANSACTION_ELEMENT; + ptsge->Reserved_0100_Checksum = 0; + ptsge->ImageOffset = 0; + ptsge->ImageSize = cpu_to_le32(fwlen); + + /* Add the SGL + */ + + /* + * Need to kmalloc area(s) for holding firmware image bytes. + * But we need to do it piece meal, using a proper + * scatter gather list (with 128kB MAX hunks). + * + * A practical limit here might be # of sg hunks that fit into + * a single IOC request frame; 12 or 8 (see below), so: + * For FC9xx: 12 x 128kB == 1.5 mB (max) + * For C1030: 8 x 128kB == 1 mB (max) + * We could support chaining, but things get ugly(ier:) + * + * Set the sge_offset to the start of the sgl (bytes). + */ + sgdir = 0x04000000; /* IOC will READ from sys mem */ + sge_offset = sizeof(MPIHeader_t) + sizeof(FWDownloadTCSGE_t); + if ((sgl = kbuf_alloc_2_sgl(fwlen, sgdir, sge_offset, + &numfrags, &buflist, &sgl_dma, iocp)) == NULL) + return -ENOMEM; + + /* + * We should only need SGL with 2 simple_32bit entries (up to 256 kB) + * for FC9xx f/w image, but calculate max number of sge hunks + * we can fit into a request frame, and limit ourselves to that. + * (currently no chain support) + * maxfrags = (Request Size - FWdownload Size ) / Size of 32 bit SGE + * Request maxfrags + * 128 12 + * 96 8 + * 64 4 + */ + maxfrags = (iocp->req_sz - sizeof(MPIHeader_t) - + sizeof(FWDownloadTCSGE_t)) + / iocp->SGE_size; + if (numfrags > maxfrags) { + ret = -EMLINK; + goto fwdl_out; + } + + dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "DbG: sgl buffer = %p, sgfrags = %d\n", + iocp->name, sgl, numfrags)); + + /* + * Parse SG list, copying sgl itself, + * plus f/w image hunks from user space as we go... + */ + ret = -EFAULT; + sgIn = sgl; + bl = buflist; + for (i=0; i < numfrags; i++) { + + /* Get the SGE type: 0 - TCSGE, 3 - Chain, 1 - Simple SGE + * Skip everything but Simple. If simple, copy from + * user space into kernel space. + * Note: we should not have anything but Simple as + * Chain SGE are illegal. + */ + nib = (sgIn->FlagsLength & 0x30000000) >> 28; + if (nib == 0 || nib == 3) { + ; + } else if (sgIn->Address) { + iocp->add_sge(sgOut, sgIn->FlagsLength, sgIn->Address); + n++; + if (copy_from_user(bl->kptr, ufwbuf+fw_bytes_copied, bl->len)) { + printk(MYIOC_s_ERR_FMT "%s@%d::_ioctl_fwdl - " + "Unable to copy f/w buffer hunk#%d @ %p\n", + iocp->name, __FILE__, __LINE__, n, ufwbuf); + goto fwdl_out; + } + fw_bytes_copied += bl->len; + } + sgIn++; + bl++; + sgOut += iocp->SGE_size; + } + + DBG_DUMP_FW_DOWNLOAD(iocp, (u32 *)mf, numfrags); + + /* + * Finally, perform firmware download. + */ + ReplyMsg = NULL; + SET_MGMT_MSG_CONTEXT(iocp->ioctl_cmds.msg_context, dlmsg->MsgContext); + INITIALIZE_MGMT_STATUS(iocp->ioctl_cmds.status) + mpt_put_msg_frame(mptctl_id, iocp, mf); + + /* Now wait for the command to complete */ +retry_wait: + timeleft = wait_for_completion_timeout(&iocp->ioctl_cmds.done, HZ*60); + if (!(iocp->ioctl_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { + ret = -ETIME; + printk(MYIOC_s_WARN_FMT "%s: failed\n", iocp->name, __func__); + if (iocp->ioctl_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) { + mpt_free_msg_frame(iocp, mf); + goto fwdl_out; + } + if (!timeleft) { + printk(MYIOC_s_WARN_FMT + "FW download timeout, doorbell=0x%08x\n", + iocp->name, mpt_GetIocState(iocp, 0)); + mptctl_timeout_expired(iocp, mf); + } else + goto retry_wait; + goto fwdl_out; + } + + if (!(iocp->ioctl_cmds.status & MPT_MGMT_STATUS_RF_VALID)) { + printk(MYIOC_s_WARN_FMT "%s: failed\n", iocp->name, __func__); + mpt_free_msg_frame(iocp, mf); + ret = -ENODATA; + goto fwdl_out; + } + + if (sgl) + kfree_sgl(sgl, sgl_dma, buflist, iocp); + + ReplyMsg = (pFWDownloadReply_t)iocp->ioctl_cmds.reply; + iocstat = le16_to_cpu(ReplyMsg->IOCStatus) & MPI_IOCSTATUS_MASK; + if (iocstat == MPI_IOCSTATUS_SUCCESS) { + printk(MYIOC_s_INFO_FMT "F/W update successful!\n", iocp->name); + return 0; + } else if (iocstat == MPI_IOCSTATUS_INVALID_FUNCTION) { + printk(MYIOC_s_WARN_FMT "Hmmm... F/W download not supported!?!\n", + iocp->name); + printk(MYIOC_s_WARN_FMT "(time to go bang on somebodies door)\n", + iocp->name); + return -EBADRQC; + } else if (iocstat == MPI_IOCSTATUS_BUSY) { + printk(MYIOC_s_WARN_FMT "IOC_BUSY!\n", iocp->name); + printk(MYIOC_s_WARN_FMT "(try again later?)\n", iocp->name); + return -EBUSY; + } else { + printk(MYIOC_s_WARN_FMT "ioctl_fwdl() returned [bad] status = %04xh\n", + iocp->name, iocstat); + printk(MYIOC_s_WARN_FMT "(bad VooDoo)\n", iocp->name); + return -ENOMSG; + } + return 0; + +fwdl_out: + + CLEAR_MGMT_STATUS(iocp->ioctl_cmds.status); + SET_MGMT_MSG_CONTEXT(iocp->ioctl_cmds.msg_context, 0); + kfree_sgl(sgl, sgl_dma, buflist, iocp); + return ret; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/* + * SGE Allocation routine + * + * Inputs: bytes - number of bytes to be transferred + * sgdir - data direction + * sge_offset - offset (in bytes) from the start of the request + * frame to the first SGE + * ioc - pointer to the mptadapter + * Outputs: frags - number of scatter gather elements + * blp - point to the buflist pointer + * sglbuf_dma - pointer to the (dma) sgl + * Returns: Null if failes + * pointer to the (virtual) sgl if successful. + */ +static MptSge_t * +kbuf_alloc_2_sgl(int bytes, u32 sgdir, int sge_offset, int *frags, + struct buflist **blp, dma_addr_t *sglbuf_dma, MPT_ADAPTER *ioc) +{ + MptSge_t *sglbuf = NULL; /* pointer to array of SGE */ + /* and chain buffers */ + struct buflist *buflist = NULL; /* kernel routine */ + MptSge_t *sgl; + int numfrags = 0; + int fragcnt = 0; + int alloc_sz = min(bytes,MAX_KMALLOC_SZ); // avoid kernel warning msg! + int bytes_allocd = 0; + int this_alloc; + dma_addr_t pa; // phys addr + int i, buflist_ent; + int sg_spill = MAX_FRAGS_SPILL1; + int dir; + + if (bytes < 0) + return NULL; + + /* initialization */ + *frags = 0; + *blp = NULL; + + /* Allocate and initialize an array of kernel + * structures for the SG elements. + */ + i = MAX_SGL_BYTES / 8; + buflist = kzalloc(i, GFP_USER); + if (!buflist) + return NULL; + buflist_ent = 0; + + /* Allocate a single block of memory to store the sg elements and + * the chain buffers. The calling routine is responsible for + * copying the data in this array into the correct place in the + * request and chain buffers. + */ + sglbuf = dma_alloc_coherent(&ioc->pcidev->dev, MAX_SGL_BYTES, + sglbuf_dma, GFP_KERNEL); + if (sglbuf == NULL) + goto free_and_fail; + + if (sgdir & 0x04000000) + dir = DMA_TO_DEVICE; + else + dir = DMA_FROM_DEVICE; + + /* At start: + * sgl = sglbuf = point to beginning of sg buffer + * buflist_ent = 0 = first kernel structure + * sg_spill = number of SGE that can be written before the first + * chain element. + * + */ + sgl = sglbuf; + sg_spill = ((ioc->req_sz - sge_offset)/ioc->SGE_size) - 1; + while (bytes_allocd < bytes) { + this_alloc = min(alloc_sz, bytes-bytes_allocd); + buflist[buflist_ent].len = this_alloc; + buflist[buflist_ent].kptr = dma_alloc_coherent(&ioc->pcidev->dev, + this_alloc, + &pa, GFP_KERNEL); + if (buflist[buflist_ent].kptr == NULL) { + alloc_sz = alloc_sz / 2; + if (alloc_sz == 0) { + printk(MYIOC_s_WARN_FMT "-SG: No can do - " + "not enough memory! :-(\n", ioc->name); + printk(MYIOC_s_WARN_FMT "-SG: (freeing %d frags)\n", + ioc->name, numfrags); + goto free_and_fail; + } + continue; + } else { + dma_addr_t dma_addr; + + bytes_allocd += this_alloc; + sgl->FlagsLength = (0x10000000|sgdir|this_alloc); + dma_addr = dma_map_single(&ioc->pcidev->dev, + buflist[buflist_ent].kptr, + this_alloc, dir); + sgl->Address = dma_addr; + + fragcnt++; + numfrags++; + sgl++; + buflist_ent++; + } + + if (bytes_allocd >= bytes) + break; + + /* Need to chain? */ + if (fragcnt == sg_spill) { + printk(MYIOC_s_WARN_FMT + "-SG: No can do - " "Chain required! :-(\n", ioc->name); + printk(MYIOC_s_WARN_FMT "(freeing %d frags)\n", ioc->name, numfrags); + goto free_and_fail; + } + + /* overflow check... */ + if (numfrags*8 > MAX_SGL_BYTES){ + /* GRRRRR... */ + printk(MYIOC_s_WARN_FMT "-SG: No can do - " + "too many SG frags! :-(\n", ioc->name); + printk(MYIOC_s_WARN_FMT "-SG: (freeing %d frags)\n", + ioc->name, numfrags); + goto free_and_fail; + } + } + + /* Last sge fixup: set LE+eol+eob bits */ + sgl[-1].FlagsLength |= 0xC1000000; + + *frags = numfrags; + *blp = buflist; + + dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "-SG: kbuf_alloc_2_sgl() - " + "%d SG frags generated!\n", ioc->name, numfrags)); + + dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "-SG: kbuf_alloc_2_sgl() - " + "last (big) alloc_sz=%d\n", ioc->name, alloc_sz)); + + return sglbuf; + +free_and_fail: + if (sglbuf != NULL) { + for (i = 0; i < numfrags; i++) { + dma_addr_t dma_addr; + u8 *kptr; + int len; + + if ((sglbuf[i].FlagsLength >> 24) == 0x30) + continue; + + dma_addr = sglbuf[i].Address; + kptr = buflist[i].kptr; + len = buflist[i].len; + + dma_free_coherent(&ioc->pcidev->dev, len, kptr, + dma_addr); + } + dma_free_coherent(&ioc->pcidev->dev, MAX_SGL_BYTES, sglbuf, + *sglbuf_dma); + } + kfree(buflist); + return NULL; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/* + * Routine to free the SGL elements. + */ +static void +kfree_sgl(MptSge_t *sgl, dma_addr_t sgl_dma, struct buflist *buflist, MPT_ADAPTER *ioc) +{ + MptSge_t *sg = sgl; + struct buflist *bl = buflist; + u32 nib; + int dir; + int n = 0; + + if (sg->FlagsLength & 0x04000000) + dir = DMA_TO_DEVICE; + else + dir = DMA_FROM_DEVICE; + + nib = (sg->FlagsLength & 0xF0000000) >> 28; + while (! (nib & 0x4)) { /* eob */ + /* skip ignore/chain. */ + if (nib == 0 || nib == 3) { + ; + } else if (sg->Address) { + dma_addr_t dma_addr; + void *kptr; + int len; + + dma_addr = sg->Address; + kptr = bl->kptr; + len = bl->len; + dma_unmap_single(&ioc->pcidev->dev, dma_addr, len, + dir); + dma_free_coherent(&ioc->pcidev->dev, len, kptr, + dma_addr); + n++; + } + sg++; + bl++; + nib = (le32_to_cpu(sg->FlagsLength) & 0xF0000000) >> 28; + } + + /* we're at eob! */ + if (sg->Address) { + dma_addr_t dma_addr; + void *kptr; + int len; + + dma_addr = sg->Address; + kptr = bl->kptr; + len = bl->len; + dma_unmap_single(&ioc->pcidev->dev, dma_addr, len, dir); + dma_free_coherent(&ioc->pcidev->dev, len, kptr, dma_addr); + n++; + } + + dma_free_coherent(&ioc->pcidev->dev, MAX_SGL_BYTES, sgl, sgl_dma); + kfree(buflist); + dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "-SG: Free'd 1 SGL buf + %d kbufs!\n", + ioc->name, n)); +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/* + * mptctl_getiocinfo - Query the host adapter for IOC information. + * @arg: User space argument + * + * Outputs: None. + * Return: 0 if successful + * -EFAULT if data unavailable + * -ENODEV if no such device/adapter + */ +static int +mptctl_getiocinfo (MPT_ADAPTER *ioc, unsigned long arg, unsigned int data_size) +{ + struct mpt_ioctl_iocinfo __user *uarg = (void __user *) arg; + struct mpt_ioctl_iocinfo *karg; + struct pci_dev *pdev; + unsigned int port; + int cim_rev; + struct scsi_device *sdev; + VirtDevice *vdevice; + + /* Add of PCI INFO results in unaligned access for + * IA64 and Sparc. Reset long to int. Return no PCI + * data for obsolete format. + */ + if (data_size == sizeof(struct mpt_ioctl_iocinfo_rev0)) + cim_rev = 0; + else if (data_size == sizeof(struct mpt_ioctl_iocinfo_rev1)) + cim_rev = 1; + else if (data_size == sizeof(struct mpt_ioctl_iocinfo)) + cim_rev = 2; + else if (data_size == (sizeof(struct mpt_ioctl_iocinfo_rev0)+12)) + cim_rev = 0; /* obsolete */ + else + return -EFAULT; + + karg = memdup_user(uarg, data_size); + if (IS_ERR(karg)) { + printk(KERN_ERR MYNAM "%s@%d::mpt_ioctl_iocinfo() - memdup_user returned error [%ld]\n", + __FILE__, __LINE__, PTR_ERR(karg)); + return PTR_ERR(karg); + } + + /* Verify the data transfer size is correct. */ + if (karg->hdr.maxDataSize != data_size) { + printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_getiocinfo - " + "Structure size mismatch. Command not completed.\n", + ioc->name, __FILE__, __LINE__); + kfree(karg); + return -EFAULT; + } + + dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_getiocinfo called.\n", + ioc->name)); + + /* Fill in the data and return the structure to the calling + * program + */ + if (ioc->bus_type == SAS) + karg->adapterType = MPT_IOCTL_INTERFACE_SAS; + else if (ioc->bus_type == FC) + karg->adapterType = MPT_IOCTL_INTERFACE_FC; + else + karg->adapterType = MPT_IOCTL_INTERFACE_SCSI; + + if (karg->hdr.port > 1) { + kfree(karg); + return -EINVAL; + } + port = karg->hdr.port; + + karg->port = port; + pdev = (struct pci_dev *) ioc->pcidev; + + karg->pciId = pdev->device; + karg->hwRev = pdev->revision; + karg->subSystemDevice = pdev->subsystem_device; + karg->subSystemVendor = pdev->subsystem_vendor; + + if (cim_rev == 1) { + /* Get the PCI bus, device, and function numbers for the IOC + */ + karg->pciInfo.u.bits.busNumber = pdev->bus->number; + karg->pciInfo.u.bits.deviceNumber = PCI_SLOT( pdev->devfn ); + karg->pciInfo.u.bits.functionNumber = PCI_FUNC( pdev->devfn ); + } else if (cim_rev == 2) { + /* Get the PCI bus, device, function and segment ID numbers + for the IOC */ + karg->pciInfo.u.bits.busNumber = pdev->bus->number; + karg->pciInfo.u.bits.deviceNumber = PCI_SLOT( pdev->devfn ); + karg->pciInfo.u.bits.functionNumber = PCI_FUNC( pdev->devfn ); + karg->pciInfo.segmentID = pci_domain_nr(pdev->bus); + } + + /* Get number of devices + */ + karg->numDevices = 0; + if (ioc->sh) { + shost_for_each_device(sdev, ioc->sh) { + vdevice = sdev->hostdata; + if (vdevice == NULL || vdevice->vtarget == NULL) + continue; + if (vdevice->vtarget->tflags & + MPT_TARGET_FLAGS_RAID_COMPONENT) + continue; + karg->numDevices++; + } + } + + /* Set the BIOS and FW Version + */ + karg->FWVersion = ioc->facts.FWVersion.Word; + karg->BIOSVersion = ioc->biosVersion; + + /* Set the Version Strings. + */ + strncpy (karg->driverVersion, MPT_LINUX_PACKAGE_NAME, MPT_IOCTL_VERSION_LENGTH); + karg->driverVersion[MPT_IOCTL_VERSION_LENGTH-1]='\0'; + + karg->busChangeEvent = 0; + karg->hostId = ioc->pfacts[port].PortSCSIID; + karg->rsvd[0] = karg->rsvd[1] = 0; + + /* Copy the data from kernel memory to user memory + */ + if (copy_to_user((char __user *)arg, karg, data_size)) { + printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_getiocinfo - " + "Unable to write out mpt_ioctl_iocinfo struct @ %p\n", + ioc->name, __FILE__, __LINE__, uarg); + kfree(karg); + return -EFAULT; + } + + kfree(karg); + return 0; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/* + * mptctl_gettargetinfo - Query the host adapter for target information. + * @arg: User space argument + * + * Outputs: None. + * Return: 0 if successful + * -EFAULT if data unavailable + * -ENODEV if no such device/adapter + */ +static int +mptctl_gettargetinfo (MPT_ADAPTER *ioc, unsigned long arg) +{ + struct mpt_ioctl_targetinfo __user *uarg = (void __user *) arg; + struct mpt_ioctl_targetinfo karg; + VirtDevice *vdevice; + char *pmem; + int *pdata; + int numDevices = 0; + int lun; + int maxWordsLeft; + int numBytes; + struct scsi_device *sdev; + + if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_targetinfo))) { + printk(KERN_ERR MYNAM "%s@%d::mptctl_gettargetinfo - " + "Unable to read in mpt_ioctl_targetinfo struct @ %p\n", + __FILE__, __LINE__, uarg); + return -EFAULT; + } + + dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_gettargetinfo called.\n", + ioc->name)); + numBytes = karg.hdr.maxDataSize - sizeof(mpt_ioctl_header); + maxWordsLeft = numBytes/sizeof(int); + + if (maxWordsLeft <= 0) { + printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo() - no memory available!\n", + ioc->name, __FILE__, __LINE__); + return -ENOMEM; + } + + /* Fill in the data and return the structure to the calling + * program + */ + + /* struct mpt_ioctl_targetinfo does not contain sufficient space + * for the target structures so when the IOCTL is called, there is + * not sufficient stack space for the structure. Allocate memory, + * populate the memory, copy back to the user, then free memory. + * targetInfo format: + * bits 31-24: reserved + * 23-16: LUN + * 15- 8: Bus Number + * 7- 0: Target ID + */ + pmem = kzalloc(numBytes, GFP_KERNEL); + if (!pmem) { + printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo() - no memory available!\n", + ioc->name, __FILE__, __LINE__); + return -ENOMEM; + } + pdata = (int *) pmem; + + /* Get number of devices + */ + if (ioc->sh){ + shost_for_each_device(sdev, ioc->sh) { + if (!maxWordsLeft) + continue; + vdevice = sdev->hostdata; + if (vdevice == NULL || vdevice->vtarget == NULL) + continue; + if (vdevice->vtarget->tflags & + MPT_TARGET_FLAGS_RAID_COMPONENT) + continue; + lun = (vdevice->vtarget->raidVolume) ? 0x80 : vdevice->lun; + *pdata = (((u8)lun << 16) + (vdevice->vtarget->channel << 8) + + (vdevice->vtarget->id )); + pdata++; + numDevices++; + --maxWordsLeft; + } + } + karg.numDevices = numDevices; + + /* Copy part of the data from kernel memory to user memory + */ + if (copy_to_user((char __user *)arg, &karg, + sizeof(struct mpt_ioctl_targetinfo))) { + printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo - " + "Unable to write out mpt_ioctl_targetinfo struct @ %p\n", + ioc->name, __FILE__, __LINE__, uarg); + kfree(pmem); + return -EFAULT; + } + + /* Copy the remaining data from kernel memory to user memory + */ + if (copy_to_user(uarg->targetInfo, pmem, numBytes)) { + printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo - " + "Unable to write out mpt_ioctl_targetinfo struct @ %p\n", + ioc->name, __FILE__, __LINE__, pdata); + kfree(pmem); + return -EFAULT; + } + + kfree(pmem); + + return 0; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/* MPT IOCTL Test function. + * + * Outputs: None. + * Return: 0 if successful + * -EFAULT if data unavailable + * -ENODEV if no such device/adapter + */ +static int +mptctl_readtest (MPT_ADAPTER *ioc, unsigned long arg) +{ + struct mpt_ioctl_test __user *uarg = (void __user *) arg; + struct mpt_ioctl_test karg; + + if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_test))) { + printk(KERN_ERR MYNAM "%s@%d::mptctl_readtest - " + "Unable to read in mpt_ioctl_test struct @ %p\n", + __FILE__, __LINE__, uarg); + return -EFAULT; + } + + dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_readtest called.\n", + ioc->name)); + /* Fill in the data and return the structure to the calling + * program + */ + +#ifdef MFCNT + karg.chip_type = ioc->mfcnt; +#else + karg.chip_type = ioc->pcidev->device; +#endif + strncpy (karg.name, ioc->name, MPT_MAX_NAME); + karg.name[MPT_MAX_NAME-1]='\0'; + strncpy (karg.product, ioc->prod_name, MPT_PRODUCT_LENGTH); + karg.product[MPT_PRODUCT_LENGTH-1]='\0'; + + /* Copy the data from kernel memory to user memory + */ + if (copy_to_user((char __user *)arg, &karg, sizeof(struct mpt_ioctl_test))) { + printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_readtest - " + "Unable to write out mpt_ioctl_test struct @ %p\n", + ioc->name, __FILE__, __LINE__, uarg); + return -EFAULT; + } + + return 0; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/* + * mptctl_eventquery - Query the host adapter for the event types + * that are being logged. + * @arg: User space argument + * + * Outputs: None. + * Return: 0 if successful + * -EFAULT if data unavailable + * -ENODEV if no such device/adapter + */ +static int +mptctl_eventquery (MPT_ADAPTER *ioc, unsigned long arg) +{ + struct mpt_ioctl_eventquery __user *uarg = (void __user *) arg; + struct mpt_ioctl_eventquery karg; + + if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventquery))) { + printk(KERN_ERR MYNAM "%s@%d::mptctl_eventquery - " + "Unable to read in mpt_ioctl_eventquery struct @ %p\n", + __FILE__, __LINE__, uarg); + return -EFAULT; + } + + dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_eventquery called.\n", + ioc->name)); + karg.eventEntries = MPTCTL_EVENT_LOG_SIZE; + karg.eventTypes = ioc->eventTypes; + + /* Copy the data from kernel memory to user memory + */ + if (copy_to_user((char __user *)arg, &karg, sizeof(struct mpt_ioctl_eventquery))) { + printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_eventquery - " + "Unable to write out mpt_ioctl_eventquery struct @ %p\n", + ioc->name, __FILE__, __LINE__, uarg); + return -EFAULT; + } + return 0; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +static int +mptctl_eventenable (MPT_ADAPTER *ioc, unsigned long arg) +{ + struct mpt_ioctl_eventenable __user *uarg = (void __user *) arg; + struct mpt_ioctl_eventenable karg; + + if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventenable))) { + printk(KERN_ERR MYNAM "%s@%d::mptctl_eventenable - " + "Unable to read in mpt_ioctl_eventenable struct @ %p\n", + __FILE__, __LINE__, uarg); + return -EFAULT; + } + + dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_eventenable called.\n", + ioc->name)); + if (ioc->events == NULL) { + /* Have not yet allocated memory - do so now. + */ + int sz = MPTCTL_EVENT_LOG_SIZE * sizeof(MPT_IOCTL_EVENTS); + ioc->events = kzalloc(sz, GFP_KERNEL); + if (!ioc->events) { + printk(MYIOC_s_ERR_FMT + ": ERROR - Insufficient memory to add adapter!\n", + ioc->name); + return -ENOMEM; + } + ioc->alloc_total += sz; + + ioc->eventContext = 0; + } + + /* Update the IOC event logging flag. + */ + ioc->eventTypes = karg.eventTypes; + + return 0; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +static int +mptctl_eventreport (MPT_ADAPTER *ioc, unsigned long arg) +{ + struct mpt_ioctl_eventreport __user *uarg = (void __user *) arg; + struct mpt_ioctl_eventreport karg; + int numBytes, maxEvents, max; + + if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventreport))) { + printk(KERN_ERR MYNAM "%s@%d::mptctl_eventreport - " + "Unable to read in mpt_ioctl_eventreport struct @ %p\n", + __FILE__, __LINE__, uarg); + return -EFAULT; + } + + dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_eventreport called.\n", + ioc->name)); + + numBytes = karg.hdr.maxDataSize - sizeof(mpt_ioctl_header); + maxEvents = numBytes/sizeof(MPT_IOCTL_EVENTS); + + + max = MPTCTL_EVENT_LOG_SIZE < maxEvents ? MPTCTL_EVENT_LOG_SIZE : maxEvents; + + /* If fewer than 1 event is requested, there must have + * been some type of error. + */ + if ((max < 1) || !ioc->events) + return -ENODATA; + + /* reset this flag so SIGIO can restart */ + ioc->aen_event_read_flag=0; + + /* Copy the data from kernel memory to user memory + */ + numBytes = max * sizeof(MPT_IOCTL_EVENTS); + if (copy_to_user(uarg->eventData, ioc->events, numBytes)) { + printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_eventreport - " + "Unable to write out mpt_ioctl_eventreport struct @ %p\n", + ioc->name, __FILE__, __LINE__, ioc->events); + return -EFAULT; + } + + return 0; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +static int +mptctl_replace_fw (MPT_ADAPTER *ioc, unsigned long arg) +{ + struct mpt_ioctl_replace_fw __user *uarg = (void __user *) arg; + struct mpt_ioctl_replace_fw karg; + int newFwSize; + + if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_replace_fw))) { + printk(KERN_ERR MYNAM "%s@%d::mptctl_replace_fw - " + "Unable to read in mpt_ioctl_replace_fw struct @ %p\n", + __FILE__, __LINE__, uarg); + return -EFAULT; + } + + dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_replace_fw called.\n", + ioc->name)); + /* If caching FW, Free the old FW image + */ + if (ioc->cached_fw == NULL) + return 0; + + mpt_free_fw_memory(ioc); + + /* Allocate memory for the new FW image + */ + newFwSize = ALIGN(karg.newImageSize, 4); + + mpt_alloc_fw_memory(ioc, newFwSize); + if (ioc->cached_fw == NULL) + return -ENOMEM; + + /* Copy the data from user memory to kernel space + */ + if (copy_from_user(ioc->cached_fw, uarg->newImage, newFwSize)) { + printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_replace_fw - " + "Unable to read in mpt_ioctl_replace_fw image " + "@ %p\n", ioc->name, __FILE__, __LINE__, uarg); + mpt_free_fw_memory(ioc); + return -EFAULT; + } + + /* Update IOCFactsReply + */ + ioc->facts.FWImageSize = newFwSize; + return 0; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/* MPT IOCTL MPTCOMMAND function. + * Cast the arg into the mpt_ioctl_mpt_command structure. + * + * Outputs: None. + * Return: 0 if successful + * -EBUSY if previous command timeout and IOC reset is not complete. + * -EFAULT if data unavailable + * -ENODEV if no such device/adapter + * -ETIME if timer expires + * -ENOMEM if memory allocation error + */ +static int +mptctl_mpt_command (MPT_ADAPTER *ioc, unsigned long arg) +{ + struct mpt_ioctl_command __user *uarg = (void __user *) arg; + struct mpt_ioctl_command karg; + int rc; + + + if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_command))) { + printk(KERN_ERR MYNAM "%s@%d::mptctl_mpt_command - " + "Unable to read in mpt_ioctl_command struct @ %p\n", + __FILE__, __LINE__, uarg); + return -EFAULT; + } + + rc = mptctl_do_mpt_command (ioc, karg, &uarg->MF); + + return rc; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/* Worker routine for the IOCTL MPTCOMMAND and MPTCOMMAND32 (sparc) commands. + * + * Outputs: None. + * Return: 0 if successful + * -EBUSY if previous command timeout and IOC reset is not complete. + * -EFAULT if data unavailable + * -ENODEV if no such device/adapter + * -ETIME if timer expires + * -ENOMEM if memory allocation error + * -EPERM if SCSI I/O and target is untagged + */ +static int +mptctl_do_mpt_command (MPT_ADAPTER *ioc, struct mpt_ioctl_command karg, void __user *mfPtr) +{ + MPT_FRAME_HDR *mf = NULL; + MPIHeader_t *hdr; + char *psge; + struct buflist bufIn; /* data In buffer */ + struct buflist bufOut; /* data Out buffer */ + dma_addr_t dma_addr_in; + dma_addr_t dma_addr_out; + int sgSize = 0; /* Num SG elements */ + int flagsLength; + int sz, rc = 0; + int msgContext; + u16 req_idx; + ulong timeout; + unsigned long timeleft; + struct scsi_device *sdev; + unsigned long flags; + u8 function; + + /* bufIn and bufOut are used for user to kernel space transfers + */ + bufIn.kptr = bufOut.kptr = NULL; + bufIn.len = bufOut.len = 0; + + spin_lock_irqsave(&ioc->taskmgmt_lock, flags); + if (ioc->ioc_reset_in_progress) { + spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); + printk(KERN_ERR MYNAM "%s@%d::mptctl_do_mpt_command - " + "Busy with diagnostic reset\n", __FILE__, __LINE__); + return -EBUSY; + } + spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); + + /* Basic sanity checks to prevent underflows or integer overflows */ + if (karg.maxReplyBytes < 0 || + karg.dataInSize < 0 || + karg.dataOutSize < 0 || + karg.dataSgeOffset < 0 || + karg.maxSenseBytes < 0 || + karg.dataSgeOffset > ioc->req_sz / 4) + return -EINVAL; + + /* Verify that the final request frame will not be too large. + */ + sz = karg.dataSgeOffset * 4; + if (karg.dataInSize > 0) + sz += ioc->SGE_size; + if (karg.dataOutSize > 0) + sz += ioc->SGE_size; + + if (sz > ioc->req_sz) { + printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " + "Request frame too large (%d) maximum (%d)\n", + ioc->name, __FILE__, __LINE__, sz, ioc->req_sz); + return -EFAULT; + } + + /* Get a free request frame and save the message context. + */ + if ((mf = mpt_get_msg_frame(mptctl_id, ioc)) == NULL) + return -EAGAIN; + + hdr = (MPIHeader_t *) mf; + msgContext = le32_to_cpu(hdr->MsgContext); + req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); + + /* Copy the request frame + * Reset the saved message context. + * Request frame in user space + */ + if (copy_from_user(mf, mfPtr, karg.dataSgeOffset * 4)) { + printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " + "Unable to read MF from mpt_ioctl_command struct @ %p\n", + ioc->name, __FILE__, __LINE__, mfPtr); + function = -1; + rc = -EFAULT; + goto done_free_mem; + } + hdr->MsgContext = cpu_to_le32(msgContext); + function = hdr->Function; + + + /* Verify that this request is allowed. + */ + dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "sending mpi function (0x%02X), req=%p\n", + ioc->name, hdr->Function, mf)); + + switch (function) { + case MPI_FUNCTION_IOC_FACTS: + case MPI_FUNCTION_PORT_FACTS: + karg.dataOutSize = karg.dataInSize = 0; + break; + + case MPI_FUNCTION_CONFIG: + { + Config_t *config_frame; + config_frame = (Config_t *)mf; + dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "\ttype=0x%02x ext_type=0x%02x " + "number=0x%02x action=0x%02x\n", ioc->name, + config_frame->Header.PageType, + config_frame->ExtPageType, + config_frame->Header.PageNumber, + config_frame->Action)); + break; + } + + case MPI_FUNCTION_FC_COMMON_TRANSPORT_SEND: + case MPI_FUNCTION_FC_EX_LINK_SRVC_SEND: + case MPI_FUNCTION_FW_UPLOAD: + case MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR: + case MPI_FUNCTION_FW_DOWNLOAD: + case MPI_FUNCTION_FC_PRIMITIVE_SEND: + case MPI_FUNCTION_TOOLBOX: + case MPI_FUNCTION_SAS_IO_UNIT_CONTROL: + break; + + case MPI_FUNCTION_SCSI_IO_REQUEST: + if (ioc->sh) { + SCSIIORequest_t *pScsiReq = (SCSIIORequest_t *) mf; + int qtag = MPI_SCSIIO_CONTROL_UNTAGGED; + int scsidir = 0; + int dataSize; + u32 id; + + id = (ioc->devices_per_bus == 0) ? 256 : ioc->devices_per_bus; + if (pScsiReq->TargetID > id) { + printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " + "Target ID out of bounds. \n", + ioc->name, __FILE__, __LINE__); + rc = -ENODEV; + goto done_free_mem; + } + + if (pScsiReq->Bus >= ioc->number_of_buses) { + printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " + "Target Bus out of bounds. \n", + ioc->name, __FILE__, __LINE__); + rc = -ENODEV; + goto done_free_mem; + } + + pScsiReq->MsgFlags &= ~MPI_SCSIIO_MSGFLGS_SENSE_WIDTH; + pScsiReq->MsgFlags |= mpt_msg_flags(ioc); + + + /* verify that app has not requested + * more sense data than driver + * can provide, if so, reset this parameter + * set the sense buffer pointer low address + * update the control field to specify Q type + */ + if (karg.maxSenseBytes > MPT_SENSE_BUFFER_SIZE) + pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE; + else + pScsiReq->SenseBufferLength = karg.maxSenseBytes; + + pScsiReq->SenseBufferLowAddr = + cpu_to_le32(ioc->sense_buf_low_dma + + (req_idx * MPT_SENSE_BUFFER_ALLOC)); + + shost_for_each_device(sdev, ioc->sh) { + struct scsi_target *starget = scsi_target(sdev); + VirtTarget *vtarget = starget->hostdata; + + if (vtarget == NULL) + continue; + + if ((pScsiReq->TargetID == vtarget->id) && + (pScsiReq->Bus == vtarget->channel) && + (vtarget->tflags & MPT_TARGET_FLAGS_Q_YES)) + qtag = MPI_SCSIIO_CONTROL_SIMPLEQ; + } + + /* Have the IOCTL driver set the direction based + * on the dataOutSize (ordering issue with Sparc). + */ + if (karg.dataOutSize > 0) { + scsidir = MPI_SCSIIO_CONTROL_WRITE; + dataSize = karg.dataOutSize; + } else { + scsidir = MPI_SCSIIO_CONTROL_READ; + dataSize = karg.dataInSize; + } + + pScsiReq->Control = cpu_to_le32(scsidir | qtag); + pScsiReq->DataLength = cpu_to_le32(dataSize); + + + } else { + printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " + "SCSI driver is not loaded. \n", + ioc->name, __FILE__, __LINE__); + rc = -EFAULT; + goto done_free_mem; + } + break; + + case MPI_FUNCTION_SMP_PASSTHROUGH: + /* Check mf->PassthruFlags to determine if + * transfer is ImmediateMode or not. + * Immediate mode returns data in the ReplyFrame. + * Else, we are sending request and response data + * in two SGLs at the end of the mf. + */ + break; + + case MPI_FUNCTION_SATA_PASSTHROUGH: + if (!ioc->sh) { + printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " + "SCSI driver is not loaded. \n", + ioc->name, __FILE__, __LINE__); + rc = -EFAULT; + goto done_free_mem; + } + break; + + case MPI_FUNCTION_RAID_ACTION: + /* Just add a SGE + */ + break; + + case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: + if (ioc->sh) { + SCSIIORequest_t *pScsiReq = (SCSIIORequest_t *) mf; + int qtag = MPI_SCSIIO_CONTROL_SIMPLEQ; + int scsidir = MPI_SCSIIO_CONTROL_READ; + int dataSize; + + pScsiReq->MsgFlags &= ~MPI_SCSIIO_MSGFLGS_SENSE_WIDTH; + pScsiReq->MsgFlags |= mpt_msg_flags(ioc); + + + /* verify that app has not requested + * more sense data than driver + * can provide, if so, reset this parameter + * set the sense buffer pointer low address + * update the control field to specify Q type + */ + if (karg.maxSenseBytes > MPT_SENSE_BUFFER_SIZE) + pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE; + else + pScsiReq->SenseBufferLength = karg.maxSenseBytes; + + pScsiReq->SenseBufferLowAddr = + cpu_to_le32(ioc->sense_buf_low_dma + + (req_idx * MPT_SENSE_BUFFER_ALLOC)); + + /* All commands to physical devices are tagged + */ + + /* Have the IOCTL driver set the direction based + * on the dataOutSize (ordering issue with Sparc). + */ + if (karg.dataOutSize > 0) { + scsidir = MPI_SCSIIO_CONTROL_WRITE; + dataSize = karg.dataOutSize; + } else { + scsidir = MPI_SCSIIO_CONTROL_READ; + dataSize = karg.dataInSize; + } + + pScsiReq->Control = cpu_to_le32(scsidir | qtag); + pScsiReq->DataLength = cpu_to_le32(dataSize); + + } else { + printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " + "SCSI driver is not loaded. \n", + ioc->name, __FILE__, __LINE__); + rc = -EFAULT; + goto done_free_mem; + } + break; + + case MPI_FUNCTION_SCSI_TASK_MGMT: + { + SCSITaskMgmt_t *pScsiTm; + pScsiTm = (SCSITaskMgmt_t *)mf; + dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "\tTaskType=0x%x MsgFlags=0x%x " + "TaskMsgContext=0x%x id=%d channel=%d\n", + ioc->name, pScsiTm->TaskType, le32_to_cpu + (pScsiTm->TaskMsgContext), pScsiTm->MsgFlags, + pScsiTm->TargetID, pScsiTm->Bus)); + break; + } + + case MPI_FUNCTION_IOC_INIT: + { + IOCInit_t *pInit = (IOCInit_t *) mf; + u32 high_addr, sense_high; + + /* Verify that all entries in the IOC INIT match + * existing setup (and in LE format). + */ + if (sizeof(dma_addr_t) == sizeof(u64)) { + high_addr = cpu_to_le32((u32)((u64)ioc->req_frames_dma >> 32)); + sense_high= cpu_to_le32((u32)((u64)ioc->sense_buf_pool_dma >> 32)); + } else { + high_addr = 0; + sense_high= 0; + } + + if ((pInit->Flags != 0) || (pInit->MaxDevices != ioc->facts.MaxDevices) || + (pInit->MaxBuses != ioc->facts.MaxBuses) || + (pInit->ReplyFrameSize != cpu_to_le16(ioc->reply_sz)) || + (pInit->HostMfaHighAddr != high_addr) || + (pInit->SenseBufferHighAddr != sense_high)) { + printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " + "IOC_INIT issued with 1 or more incorrect parameters. Rejected.\n", + ioc->name, __FILE__, __LINE__); + rc = -EFAULT; + goto done_free_mem; + } + } + break; + default: + /* + * MPI_FUNCTION_PORT_ENABLE + * MPI_FUNCTION_TARGET_CMD_BUFFER_POST + * MPI_FUNCTION_TARGET_ASSIST + * MPI_FUNCTION_TARGET_STATUS_SEND + * MPI_FUNCTION_TARGET_MODE_ABORT + * MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET + * MPI_FUNCTION_IO_UNIT_RESET + * MPI_FUNCTION_HANDSHAKE + * MPI_FUNCTION_REPLY_FRAME_REMOVAL + * MPI_FUNCTION_EVENT_NOTIFICATION + * (driver handles event notification) + * MPI_FUNCTION_EVENT_ACK + */ + + /* What to do with these??? CHECK ME!!! + MPI_FUNCTION_FC_LINK_SRVC_BUF_POST + MPI_FUNCTION_FC_LINK_SRVC_RSP + MPI_FUNCTION_FC_ABORT + MPI_FUNCTION_LAN_SEND + MPI_FUNCTION_LAN_RECEIVE + MPI_FUNCTION_LAN_RESET + */ + + printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " + "Illegal request (function 0x%x) \n", + ioc->name, __FILE__, __LINE__, hdr->Function); + rc = -EFAULT; + goto done_free_mem; + } + + /* Add the SGL ( at most one data in SGE and one data out SGE ) + * In the case of two SGE's - the data out (write) will always + * preceede the data in (read) SGE. psgList is used to free the + * allocated memory. + */ + psge = (char *) (((int *) mf) + karg.dataSgeOffset); + flagsLength = 0; + + if (karg.dataOutSize > 0) + sgSize ++; + + if (karg.dataInSize > 0) + sgSize ++; + + if (sgSize > 0) { + + /* Set up the dataOut memory allocation */ + if (karg.dataOutSize > 0) { + if (karg.dataInSize > 0) { + flagsLength = ( MPI_SGE_FLAGS_SIMPLE_ELEMENT | + MPI_SGE_FLAGS_END_OF_BUFFER | + MPI_SGE_FLAGS_DIRECTION) + << MPI_SGE_FLAGS_SHIFT; + } else { + flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE; + } + flagsLength |= karg.dataOutSize; + bufOut.len = karg.dataOutSize; + bufOut.kptr = dma_alloc_coherent(&ioc->pcidev->dev, + bufOut.len, + &dma_addr_out, GFP_KERNEL); + + if (bufOut.kptr == NULL) { + rc = -ENOMEM; + goto done_free_mem; + } else { + /* Set up this SGE. + * Copy to MF and to sglbuf + */ + ioc->add_sge(psge, flagsLength, dma_addr_out); + psge += ioc->SGE_size; + + /* Copy user data to kernel space. + */ + if (copy_from_user(bufOut.kptr, + karg.dataOutBufPtr, + bufOut.len)) { + printk(MYIOC_s_ERR_FMT + "%s@%d::mptctl_do_mpt_command - Unable " + "to read user data " + "struct @ %p\n", + ioc->name, __FILE__, __LINE__,karg.dataOutBufPtr); + rc = -EFAULT; + goto done_free_mem; + } + } + } + + if (karg.dataInSize > 0) { + flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ; + flagsLength |= karg.dataInSize; + + bufIn.len = karg.dataInSize; + bufIn.kptr = dma_alloc_coherent(&ioc->pcidev->dev, + bufIn.len, + &dma_addr_in, GFP_KERNEL); + + if (bufIn.kptr == NULL) { + rc = -ENOMEM; + goto done_free_mem; + } else { + /* Set up this SGE + * Copy to MF and to sglbuf + */ + ioc->add_sge(psge, flagsLength, dma_addr_in); + } + } + } else { + /* Add a NULL SGE + */ + ioc->add_sge(psge, flagsLength, (dma_addr_t) -1); + } + + SET_MGMT_MSG_CONTEXT(ioc->ioctl_cmds.msg_context, hdr->MsgContext); + INITIALIZE_MGMT_STATUS(ioc->ioctl_cmds.status) + if (hdr->Function == MPI_FUNCTION_SCSI_TASK_MGMT) { + + mutex_lock(&ioc->taskmgmt_cmds.mutex); + if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) { + mutex_unlock(&ioc->taskmgmt_cmds.mutex); + goto done_free_mem; + } + + DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)mf); + + if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) && + (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) + mpt_put_msg_frame_hi_pri(mptctl_id, ioc, mf); + else { + rc =mpt_send_handshake_request(mptctl_id, ioc, + sizeof(SCSITaskMgmt_t), (u32*)mf, CAN_SLEEP); + if (rc != 0) { + dfailprintk(ioc, printk(MYIOC_s_ERR_FMT + "send_handshake FAILED! (ioc %p, mf %p)\n", + ioc->name, ioc, mf)); + mpt_clear_taskmgmt_in_progress_flag(ioc); + rc = -ENODATA; + mutex_unlock(&ioc->taskmgmt_cmds.mutex); + goto done_free_mem; + } + } + + } else + mpt_put_msg_frame(mptctl_id, ioc, mf); + + /* Now wait for the command to complete */ + timeout = (karg.timeout > 0) ? karg.timeout : MPT_IOCTL_DEFAULT_TIMEOUT; +retry_wait: + timeleft = wait_for_completion_timeout(&ioc->ioctl_cmds.done, + HZ*timeout); + if (!(ioc->ioctl_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { + rc = -ETIME; + dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "%s: TIMED OUT!\n", + ioc->name, __func__)); + if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) { + if (function == MPI_FUNCTION_SCSI_TASK_MGMT) + mutex_unlock(&ioc->taskmgmt_cmds.mutex); + goto done_free_mem; + } + if (!timeleft) { + printk(MYIOC_s_WARN_FMT + "mpt cmd timeout, doorbell=0x%08x" + " function=0x%x\n", + ioc->name, mpt_GetIocState(ioc, 0), function); + if (function == MPI_FUNCTION_SCSI_TASK_MGMT) + mutex_unlock(&ioc->taskmgmt_cmds.mutex); + mptctl_timeout_expired(ioc, mf); + mf = NULL; + } else + goto retry_wait; + goto done_free_mem; + } + + if (function == MPI_FUNCTION_SCSI_TASK_MGMT) + mutex_unlock(&ioc->taskmgmt_cmds.mutex); + + + mf = NULL; + + /* If a valid reply frame, copy to the user. + * Offset 2: reply length in U32's + */ + if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_RF_VALID) { + if (karg.maxReplyBytes < ioc->reply_sz) { + sz = min(karg.maxReplyBytes, + 4*ioc->ioctl_cmds.reply[2]); + } else { + sz = min(ioc->reply_sz, 4*ioc->ioctl_cmds.reply[2]); + } + if (sz > 0) { + if (copy_to_user(karg.replyFrameBufPtr, + ioc->ioctl_cmds.reply, sz)){ + printk(MYIOC_s_ERR_FMT + "%s@%d::mptctl_do_mpt_command - " + "Unable to write out reply frame %p\n", + ioc->name, __FILE__, __LINE__, karg.replyFrameBufPtr); + rc = -ENODATA; + goto done_free_mem; + } + } + } + + /* If valid sense data, copy to user. + */ + if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_SENSE_VALID) { + sz = min(karg.maxSenseBytes, MPT_SENSE_BUFFER_SIZE); + if (sz > 0) { + if (copy_to_user(karg.senseDataPtr, + ioc->ioctl_cmds.sense, sz)) { + printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " + "Unable to write sense data to user %p\n", + ioc->name, __FILE__, __LINE__, + karg.senseDataPtr); + rc = -ENODATA; + goto done_free_mem; + } + } + } + + /* If the overall status is _GOOD and data in, copy data + * to user. + */ + if ((ioc->ioctl_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD) && + (karg.dataInSize > 0) && (bufIn.kptr)) { + + if (copy_to_user(karg.dataInBufPtr, + bufIn.kptr, karg.dataInSize)) { + printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " + "Unable to write data to user %p\n", + ioc->name, __FILE__, __LINE__, + karg.dataInBufPtr); + rc = -ENODATA; + } + } + +done_free_mem: + + CLEAR_MGMT_STATUS(ioc->ioctl_cmds.status) + SET_MGMT_MSG_CONTEXT(ioc->ioctl_cmds.msg_context, 0); + + /* Free the allocated memory. + */ + if (bufOut.kptr != NULL) { + dma_free_coherent(&ioc->pcidev->dev, bufOut.len, + (void *)bufOut.kptr, dma_addr_out); + } + + if (bufIn.kptr != NULL) { + dma_free_coherent(&ioc->pcidev->dev, bufIn.len, + (void *)bufIn.kptr, dma_addr_in); + } + + /* mf is null if command issued successfully + * otherwise, failure occurred after mf acquired. + */ + if (mf) + mpt_free_msg_frame(ioc, mf); + + return rc; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/* Prototype Routine for the HOST INFO command. + * + * Outputs: None. + * Return: 0 if successful + * -EFAULT if data unavailable + * -EBUSY if previous command timeout and IOC reset is not complete. + * -ENODEV if no such device/adapter + * -ETIME if timer expires + * -ENOMEM if memory allocation error + */ +static int +mptctl_hp_hostinfo(MPT_ADAPTER *ioc, unsigned long arg, unsigned int data_size) +{ + hp_host_info_t __user *uarg = (void __user *) arg; + struct pci_dev *pdev; + char *pbuf=NULL; + dma_addr_t buf_dma; + hp_host_info_t karg; + CONFIGPARMS cfg; + ConfigPageHeader_t hdr; + int rc, cim_rev; + ToolboxIstwiReadWriteRequest_t *IstwiRWRequest; + MPT_FRAME_HDR *mf = NULL; + unsigned long timeleft; + u32 msgcontext; + + /* Reset long to int. Should affect IA64 and SPARC only + */ + if (data_size == sizeof(hp_host_info_t)) + cim_rev = 1; + else if (data_size == sizeof(hp_host_info_rev0_t)) + cim_rev = 0; /* obsolete */ + else + return -EFAULT; + + if (copy_from_user(&karg, uarg, sizeof(hp_host_info_t))) { + printk(KERN_ERR MYNAM "%s@%d::mptctl_hp_host_info - " + "Unable to read in hp_host_info struct @ %p\n", + __FILE__, __LINE__, uarg); + return -EFAULT; + } + + dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": mptctl_hp_hostinfo called.\n", + ioc->name)); + + /* Fill in the data and return the structure to the calling + * program + */ + pdev = (struct pci_dev *) ioc->pcidev; + + karg.vendor = pdev->vendor; + karg.device = pdev->device; + karg.subsystem_id = pdev->subsystem_device; + karg.subsystem_vendor = pdev->subsystem_vendor; + karg.devfn = pdev->devfn; + karg.bus = pdev->bus->number; + + /* Save the SCSI host no. if + * SCSI driver loaded + */ + if (ioc->sh != NULL) + karg.host_no = ioc->sh->host_no; + else + karg.host_no = -1; + + /* Reformat the fw_version into a string */ + snprintf(karg.fw_version, sizeof(karg.fw_version), + "%.2hhu.%.2hhu.%.2hhu.%.2hhu", + ioc->facts.FWVersion.Struct.Major, + ioc->facts.FWVersion.Struct.Minor, + ioc->facts.FWVersion.Struct.Unit, + ioc->facts.FWVersion.Struct.Dev); + + /* Issue a config request to get the device serial number + */ + hdr.PageVersion = 0; + hdr.PageLength = 0; + hdr.PageNumber = 0; + hdr.PageType = MPI_CONFIG_PAGETYPE_MANUFACTURING; + cfg.cfghdr.hdr = &hdr; + cfg.physAddr = -1; + cfg.pageAddr = 0; + cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; + cfg.dir = 0; /* read */ + cfg.timeout = 10; + + strncpy(karg.serial_number, " ", 24); + if (mpt_config(ioc, &cfg) == 0) { + if (cfg.cfghdr.hdr->PageLength > 0) { + /* Issue the second config page request */ + cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; + + pbuf = dma_alloc_coherent(&ioc->pcidev->dev, + hdr.PageLength * 4, + &buf_dma, GFP_KERNEL); + if (pbuf) { + cfg.physAddr = buf_dma; + if (mpt_config(ioc, &cfg) == 0) { + ManufacturingPage0_t *pdata = (ManufacturingPage0_t *) pbuf; + if (strlen(pdata->BoardTracerNumber) > 1) { + strlcpy(karg.serial_number, + pdata->BoardTracerNumber, 24); + } + } + dma_free_coherent(&ioc->pcidev->dev, + hdr.PageLength * 4, pbuf, + buf_dma); + pbuf = NULL; + } + } + } + rc = mpt_GetIocState(ioc, 1); + switch (rc) { + case MPI_IOC_STATE_OPERATIONAL: + karg.ioc_status = HP_STATUS_OK; + break; + + case MPI_IOC_STATE_FAULT: + karg.ioc_status = HP_STATUS_FAILED; + break; + + case MPI_IOC_STATE_RESET: + case MPI_IOC_STATE_READY: + default: + karg.ioc_status = HP_STATUS_OTHER; + break; + } + + karg.base_io_addr = pci_resource_start(pdev, 0); + + if ((ioc->bus_type == SAS) || (ioc->bus_type == FC)) + karg.bus_phys_width = HP_BUS_WIDTH_UNK; + else + karg.bus_phys_width = HP_BUS_WIDTH_16; + + karg.hard_resets = 0; + karg.soft_resets = 0; + karg.timeouts = 0; + if (ioc->sh != NULL) { + MPT_SCSI_HOST *hd = shost_priv(ioc->sh); + + if (hd && (cim_rev == 1)) { + karg.hard_resets = ioc->hard_resets; + karg.soft_resets = ioc->soft_resets; + karg.timeouts = ioc->timeouts; + } + } + + /* + * Gather ISTWI(Industry Standard Two Wire Interface) Data + */ + if ((mf = mpt_get_msg_frame(mptctl_id, ioc)) == NULL) { + dfailprintk(ioc, printk(MYIOC_s_WARN_FMT + "%s, no msg frames!!\n", ioc->name, __func__)); + goto out; + } + + IstwiRWRequest = (ToolboxIstwiReadWriteRequest_t *)mf; + msgcontext = IstwiRWRequest->MsgContext; + memset(IstwiRWRequest,0,sizeof(ToolboxIstwiReadWriteRequest_t)); + IstwiRWRequest->MsgContext = msgcontext; + IstwiRWRequest->Function = MPI_FUNCTION_TOOLBOX; + IstwiRWRequest->Tool = MPI_TOOLBOX_ISTWI_READ_WRITE_TOOL; + IstwiRWRequest->Flags = MPI_TB_ISTWI_FLAGS_READ; + IstwiRWRequest->NumAddressBytes = 0x01; + IstwiRWRequest->DataLength = cpu_to_le16(0x04); + if (pdev->devfn & 1) + IstwiRWRequest->DeviceAddr = 0xB2; + else + IstwiRWRequest->DeviceAddr = 0xB0; + + pbuf = dma_alloc_coherent(&ioc->pcidev->dev, 4, &buf_dma, GFP_KERNEL); + if (!pbuf) + goto out; + ioc->add_sge((char *)&IstwiRWRequest->SGL, + (MPT_SGE_FLAGS_SSIMPLE_READ|4), buf_dma); + + SET_MGMT_MSG_CONTEXT(ioc->ioctl_cmds.msg_context, + IstwiRWRequest->MsgContext); + INITIALIZE_MGMT_STATUS(ioc->ioctl_cmds.status) + mpt_put_msg_frame(mptctl_id, ioc, mf); + +retry_wait: + timeleft = wait_for_completion_timeout(&ioc->ioctl_cmds.done, + HZ*MPT_IOCTL_DEFAULT_TIMEOUT); + if (!(ioc->ioctl_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { + printk(MYIOC_s_WARN_FMT "%s: failed\n", ioc->name, __func__); + if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) { + mpt_free_msg_frame(ioc, mf); + goto out; + } + if (!timeleft) { + printk(MYIOC_s_WARN_FMT + "HOST INFO command timeout, doorbell=0x%08x\n", + ioc->name, mpt_GetIocState(ioc, 0)); + mptctl_timeout_expired(ioc, mf); + } else + goto retry_wait; + goto out; + } + + /* + *ISTWI Data Definition + * pbuf[0] = FW_VERSION = 0x4 + * pbuf[1] = Bay Count = 6 or 4 or 2, depending on + * the config, you should be seeing one out of these three values + * pbuf[2] = Drive Installed Map = bit pattern depend on which + * bays have drives in them + * pbuf[3] = Checksum (0x100 = (byte0 + byte2 + byte3) + */ + if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_RF_VALID) + karg.rsvd = *(u32 *)pbuf; + + out: + CLEAR_MGMT_STATUS(ioc->ioctl_cmds.status) + SET_MGMT_MSG_CONTEXT(ioc->ioctl_cmds.msg_context, 0); + + if (pbuf) + dma_free_coherent(&ioc->pcidev->dev, 4, pbuf, buf_dma); + + /* Copy the data from kernel memory to user memory + */ + if (copy_to_user((char __user *)arg, &karg, sizeof(hp_host_info_t))) { + printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_hpgethostinfo - " + "Unable to write out hp_host_info @ %p\n", + ioc->name, __FILE__, __LINE__, uarg); + return -EFAULT; + } + + return 0; + +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/* Prototype Routine for the TARGET INFO command. + * + * Outputs: None. + * Return: 0 if successful + * -EFAULT if data unavailable + * -EBUSY if previous command timeout and IOC reset is not complete. + * -ENODEV if no such device/adapter + * -ETIME if timer expires + * -ENOMEM if memory allocation error + */ +static int +mptctl_hp_targetinfo(MPT_ADAPTER *ioc, unsigned long arg) +{ + hp_target_info_t __user *uarg = (void __user *) arg; + SCSIDevicePage0_t *pg0_alloc; + SCSIDevicePage3_t *pg3_alloc; + MPT_SCSI_HOST *hd = NULL; + hp_target_info_t karg; + int data_sz; + dma_addr_t page_dma; + CONFIGPARMS cfg; + ConfigPageHeader_t hdr; + int tmp, np, rc = 0; + + if (copy_from_user(&karg, uarg, sizeof(hp_target_info_t))) { + printk(KERN_ERR MYNAM "%s@%d::mptctl_hp_targetinfo - " + "Unable to read in hp_host_targetinfo struct @ %p\n", + __FILE__, __LINE__, uarg); + return -EFAULT; + } + + if (karg.hdr.id >= MPT_MAX_FC_DEVICES) + return -EINVAL; + dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_hp_targetinfo called.\n", + ioc->name)); + + /* There is nothing to do for FCP parts. + */ + if ((ioc->bus_type == SAS) || (ioc->bus_type == FC)) + return 0; + + if ((ioc->spi_data.sdp0length == 0) || (ioc->sh == NULL)) + return 0; + + if (ioc->sh->host_no != karg.hdr.host) + return -ENODEV; + + /* Get the data transfer speeds + */ + data_sz = ioc->spi_data.sdp0length * 4; + pg0_alloc = dma_alloc_coherent(&ioc->pcidev->dev, data_sz, &page_dma, + GFP_KERNEL); + if (pg0_alloc) { + hdr.PageVersion = ioc->spi_data.sdp0version; + hdr.PageLength = data_sz; + hdr.PageNumber = 0; + hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; + + cfg.cfghdr.hdr = &hdr; + cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; + cfg.dir = 0; + cfg.timeout = 0; + cfg.physAddr = page_dma; + + cfg.pageAddr = (karg.hdr.channel << 8) | karg.hdr.id; + + if ((rc = mpt_config(ioc, &cfg)) == 0) { + np = le32_to_cpu(pg0_alloc->NegotiatedParameters); + karg.negotiated_width = np & MPI_SCSIDEVPAGE0_NP_WIDE ? + HP_BUS_WIDTH_16 : HP_BUS_WIDTH_8; + + if (np & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK) { + tmp = (np & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK) >> 8; + if (tmp < 0x09) + karg.negotiated_speed = HP_DEV_SPEED_ULTRA320; + else if (tmp <= 0x09) + karg.negotiated_speed = HP_DEV_SPEED_ULTRA160; + else if (tmp <= 0x0A) + karg.negotiated_speed = HP_DEV_SPEED_ULTRA2; + else if (tmp <= 0x0C) + karg.negotiated_speed = HP_DEV_SPEED_ULTRA; + else if (tmp <= 0x25) + karg.negotiated_speed = HP_DEV_SPEED_FAST; + else + karg.negotiated_speed = HP_DEV_SPEED_ASYNC; + } else + karg.negotiated_speed = HP_DEV_SPEED_ASYNC; + } + + dma_free_coherent(&ioc->pcidev->dev, data_sz, (u8 *)pg0_alloc, + page_dma); + } + + /* Set defaults + */ + karg.message_rejects = -1; + karg.phase_errors = -1; + karg.parity_errors = -1; + karg.select_timeouts = -1; + + /* Get the target error parameters + */ + hdr.PageVersion = 0; + hdr.PageLength = 0; + hdr.PageNumber = 3; + hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; + + cfg.cfghdr.hdr = &hdr; + cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; + cfg.dir = 0; + cfg.timeout = 0; + cfg.physAddr = -1; + if ((mpt_config(ioc, &cfg) == 0) && (cfg.cfghdr.hdr->PageLength > 0)) { + /* Issue the second config page request */ + cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; + data_sz = (int) cfg.cfghdr.hdr->PageLength * 4; + pg3_alloc = dma_alloc_coherent(&ioc->pcidev->dev, data_sz, + &page_dma, GFP_KERNEL); + if (pg3_alloc) { + cfg.physAddr = page_dma; + cfg.pageAddr = (karg.hdr.channel << 8) | karg.hdr.id; + if ((rc = mpt_config(ioc, &cfg)) == 0) { + karg.message_rejects = (u32) le16_to_cpu(pg3_alloc->MsgRejectCount); + karg.phase_errors = (u32) le16_to_cpu(pg3_alloc->PhaseErrorCount); + karg.parity_errors = (u32) le16_to_cpu(pg3_alloc->ParityErrorCount); + } + dma_free_coherent(&ioc->pcidev->dev, data_sz, + (u8 *)pg3_alloc, page_dma); + } + } + hd = shost_priv(ioc->sh); + if (hd != NULL) + karg.select_timeouts = hd->sel_timeout[karg.hdr.id]; + + /* Copy the data from kernel memory to user memory + */ + if (copy_to_user((char __user *)arg, &karg, sizeof(hp_target_info_t))) { + printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_hp_target_info - " + "Unable to write out mpt_ioctl_targetinfo struct @ %p\n", + ioc->name, __FILE__, __LINE__, uarg); + return -EFAULT; + } + + return 0; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ + +static const struct file_operations mptctl_fops = { + .owner = THIS_MODULE, + .llseek = no_llseek, + .fasync = mptctl_fasync, + .unlocked_ioctl = mptctl_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl = compat_mpctl_ioctl, +#endif +}; + +static struct miscdevice mptctl_miscdev = { + MPT_MINOR, + MYNAM, + &mptctl_fops +}; + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ + +#ifdef CONFIG_COMPAT + +static int +compat_mptfwxfer_ioctl(struct file *filp, unsigned int cmd, + unsigned long arg) +{ + struct mpt_fw_xfer32 kfw32; + struct mpt_fw_xfer kfw; + MPT_ADAPTER *iocp = NULL; + int iocnum, iocnumX; + int nonblock = (filp->f_flags & O_NONBLOCK); + int ret; + + + if (copy_from_user(&kfw32, (char __user *)arg, sizeof(kfw32))) + return -EFAULT; + + /* Verify intended MPT adapter */ + iocnumX = kfw32.iocnum & 0xFF; + if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) || + (iocp == NULL)) { + printk(KERN_DEBUG MYNAM "::compat_mptfwxfer_ioctl @%d - ioc%d not found!\n", + __LINE__, iocnumX); + return -ENODEV; + } + + if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0) + return ret; + + dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "compat_mptfwxfer_ioctl() called\n", + iocp->name)); + kfw.iocnum = iocnum; + kfw.fwlen = kfw32.fwlen; + kfw.bufp = compat_ptr(kfw32.bufp); + + ret = mptctl_do_fw_download(iocp, kfw.bufp, kfw.fwlen); + + mutex_unlock(&iocp->ioctl_cmds.mutex); + + return ret; +} + +static int +compat_mpt_command(struct file *filp, unsigned int cmd, + unsigned long arg) +{ + struct mpt_ioctl_command32 karg32; + struct mpt_ioctl_command32 __user *uarg = (struct mpt_ioctl_command32 __user *) arg; + struct mpt_ioctl_command karg; + MPT_ADAPTER *iocp = NULL; + int iocnum, iocnumX; + int nonblock = (filp->f_flags & O_NONBLOCK); + int ret; + + if (copy_from_user(&karg32, (char __user *)arg, sizeof(karg32))) + return -EFAULT; + + /* Verify intended MPT adapter */ + iocnumX = karg32.hdr.iocnum & 0xFF; + if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) || + (iocp == NULL)) { + printk(KERN_DEBUG MYNAM "::compat_mpt_command @%d - ioc%d not found!\n", + __LINE__, iocnumX); + return -ENODEV; + } + + if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0) + return ret; + + dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "compat_mpt_command() called\n", + iocp->name)); + /* Copy data to karg */ + karg.hdr.iocnum = karg32.hdr.iocnum; + karg.hdr.port = karg32.hdr.port; + karg.timeout = karg32.timeout; + karg.maxReplyBytes = karg32.maxReplyBytes; + + karg.dataInSize = karg32.dataInSize; + karg.dataOutSize = karg32.dataOutSize; + karg.maxSenseBytes = karg32.maxSenseBytes; + karg.dataSgeOffset = karg32.dataSgeOffset; + + karg.replyFrameBufPtr = (char __user *)(unsigned long)karg32.replyFrameBufPtr; + karg.dataInBufPtr = (char __user *)(unsigned long)karg32.dataInBufPtr; + karg.dataOutBufPtr = (char __user *)(unsigned long)karg32.dataOutBufPtr; + karg.senseDataPtr = (char __user *)(unsigned long)karg32.senseDataPtr; + + /* Pass new structure to do_mpt_command + */ + ret = mptctl_do_mpt_command (iocp, karg, &uarg->MF); + + mutex_unlock(&iocp->ioctl_cmds.mutex); + + return ret; +} + +static long compat_mpctl_ioctl(struct file *f, unsigned int cmd, unsigned long arg) +{ + long ret; + mutex_lock(&mpctl_mutex); + switch (cmd) { + case MPTIOCINFO: + case MPTIOCINFO1: + case MPTIOCINFO2: + case MPTTARGETINFO: + case MPTEVENTQUERY: + case MPTEVENTENABLE: + case MPTEVENTREPORT: + case MPTHARDRESET: + case HP_GETHOSTINFO: + case HP_GETTARGETINFO: + case MPTTEST: + ret = __mptctl_ioctl(f, cmd, arg); + break; + case MPTCOMMAND32: + ret = compat_mpt_command(f, cmd, arg); + break; + case MPTFWDOWNLOAD32: + ret = compat_mptfwxfer_ioctl(f, cmd, arg); + break; + default: + ret = -ENOIOCTLCMD; + break; + } + mutex_unlock(&mpctl_mutex); + return ret; +} + +#endif + + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/* + * mptctl_probe - Installs ioctl devices per bus. + * @pdev: Pointer to pci_dev structure + * + * Returns 0 for success, non-zero for failure. + * + */ + +static int +mptctl_probe(struct pci_dev *pdev) +{ + MPT_ADAPTER *ioc = pci_get_drvdata(pdev); + + mutex_init(&ioc->ioctl_cmds.mutex); + init_completion(&ioc->ioctl_cmds.done); + return 0; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/* + * mptctl_remove - Removed ioctl devices + * @pdev: Pointer to pci_dev structure + * + * + */ +static void +mptctl_remove(struct pci_dev *pdev) +{ +} + +static struct mpt_pci_driver mptctl_driver = { + .probe = mptctl_probe, + .remove = mptctl_remove, +}; + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +static int __init mptctl_init(void) +{ + int err; + int where = 1; + + show_mptmod_ver(my_NAME, my_VERSION); + + mpt_device_driver_register(&mptctl_driver, MPTCTL_DRIVER); + + /* Register this device */ + err = misc_register(&mptctl_miscdev); + if (err < 0) { + printk(KERN_ERR MYNAM ": Can't register misc device [minor=%d].\n", MPT_MINOR); + goto out_fail; + } + printk(KERN_INFO MYNAM ": Registered with Fusion MPT base driver\n"); + printk(KERN_INFO MYNAM ": /dev/%s @ (major,minor=%d,%d)\n", + mptctl_miscdev.name, MISC_MAJOR, mptctl_miscdev.minor); + + /* + * Install our handler + */ + ++where; + mptctl_id = mpt_register(mptctl_reply, MPTCTL_DRIVER, + "mptctl_reply"); + if (!mptctl_id || mptctl_id >= MPT_MAX_PROTOCOL_DRIVERS) { + printk(KERN_ERR MYNAM ": ERROR: Failed to register with Fusion MPT base driver\n"); + misc_deregister(&mptctl_miscdev); + err = -EBUSY; + goto out_fail; + } + + mptctl_taskmgmt_id = mpt_register(mptctl_taskmgmt_reply, MPTCTL_DRIVER, + "mptctl_taskmgmt_reply"); + if (!mptctl_taskmgmt_id || mptctl_taskmgmt_id >= MPT_MAX_PROTOCOL_DRIVERS) { + printk(KERN_ERR MYNAM ": ERROR: Failed to register with Fusion MPT base driver\n"); + mpt_deregister(mptctl_id); + misc_deregister(&mptctl_miscdev); + err = -EBUSY; + goto out_fail; + } + + mpt_reset_register(mptctl_id, mptctl_ioc_reset); + mpt_event_register(mptctl_id, mptctl_event_process); + + return 0; + +out_fail: + + mpt_device_driver_deregister(MPTCTL_DRIVER); + + return err; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +static void mptctl_exit(void) +{ + misc_deregister(&mptctl_miscdev); + printk(KERN_INFO MYNAM ": Deregistered /dev/%s @ (major,minor=%d,%d)\n", + mptctl_miscdev.name, MISC_MAJOR, mptctl_miscdev.minor); + + /* De-register event handler from base module */ + mpt_event_deregister(mptctl_id); + + /* De-register reset handler from base module */ + mpt_reset_deregister(mptctl_id); + + /* De-register callback handler from base module */ + mpt_deregister(mptctl_taskmgmt_id); + mpt_deregister(mptctl_id); + + mpt_device_driver_deregister(MPTCTL_DRIVER); + +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ + +module_init(mptctl_init); +module_exit(mptctl_exit); |