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-rw-r--r--drivers/scsi/pm8001/pm8001_init.c1569
1 files changed, 1569 insertions, 0 deletions
diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c
new file mode 100644
index 0000000000..443a3176c6
--- /dev/null
+++ b/drivers/scsi/pm8001/pm8001_init.c
@@ -0,0 +1,1569 @@
+/*
+ * PMC-Sierra PM8001/8081/8088/8089 SAS/SATA based host adapters driver
+ *
+ * Copyright (c) 2008-2009 USI Co., Ltd.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * 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 OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ *
+ */
+
+#include <linux/slab.h>
+#include "pm8001_sas.h"
+#include "pm8001_chips.h"
+#include "pm80xx_hwi.h"
+
+static ulong logging_level = PM8001_FAIL_LOGGING | PM8001_IOERR_LOGGING |
+ PM8001_EVENT_LOGGING | PM8001_INIT_LOGGING;
+module_param(logging_level, ulong, 0644);
+MODULE_PARM_DESC(logging_level, " bits for enabling logging info.");
+
+static ulong link_rate = LINKRATE_15 | LINKRATE_30 | LINKRATE_60 | LINKRATE_120;
+module_param(link_rate, ulong, 0644);
+MODULE_PARM_DESC(link_rate, "Enable link rate.\n"
+ " 1: Link rate 1.5G\n"
+ " 2: Link rate 3.0G\n"
+ " 4: Link rate 6.0G\n"
+ " 8: Link rate 12.0G\n");
+
+static struct scsi_transport_template *pm8001_stt;
+static int pm8001_init_ccb_tag(struct pm8001_hba_info *);
+
+/*
+ * chip info structure to identify chip key functionality as
+ * encryption available/not, no of ports, hw specific function ref
+ */
+static const struct pm8001_chip_info pm8001_chips[] = {
+ [chip_8001] = {0, 8, &pm8001_8001_dispatch,},
+ [chip_8008] = {0, 8, &pm8001_80xx_dispatch,},
+ [chip_8009] = {1, 8, &pm8001_80xx_dispatch,},
+ [chip_8018] = {0, 16, &pm8001_80xx_dispatch,},
+ [chip_8019] = {1, 16, &pm8001_80xx_dispatch,},
+ [chip_8074] = {0, 8, &pm8001_80xx_dispatch,},
+ [chip_8076] = {0, 16, &pm8001_80xx_dispatch,},
+ [chip_8077] = {0, 16, &pm8001_80xx_dispatch,},
+ [chip_8006] = {0, 16, &pm8001_80xx_dispatch,},
+ [chip_8070] = {0, 8, &pm8001_80xx_dispatch,},
+ [chip_8072] = {0, 16, &pm8001_80xx_dispatch,},
+};
+static int pm8001_id;
+
+LIST_HEAD(hba_list);
+
+struct workqueue_struct *pm8001_wq;
+
+static void pm8001_map_queues(struct Scsi_Host *shost)
+{
+ struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
+ struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
+ struct blk_mq_queue_map *qmap = &shost->tag_set.map[HCTX_TYPE_DEFAULT];
+
+ if (pm8001_ha->number_of_intr > 1)
+ blk_mq_pci_map_queues(qmap, pm8001_ha->pdev, 1);
+
+ return blk_mq_map_queues(qmap);
+}
+
+/*
+ * The main structure which LLDD must register for scsi core.
+ */
+static const struct scsi_host_template pm8001_sht = {
+ .module = THIS_MODULE,
+ .name = DRV_NAME,
+ .proc_name = DRV_NAME,
+ .queuecommand = sas_queuecommand,
+ .dma_need_drain = ata_scsi_dma_need_drain,
+ .target_alloc = sas_target_alloc,
+ .slave_configure = sas_slave_configure,
+ .scan_finished = pm8001_scan_finished,
+ .scan_start = pm8001_scan_start,
+ .change_queue_depth = sas_change_queue_depth,
+ .bios_param = sas_bios_param,
+ .can_queue = 1,
+ .this_id = -1,
+ .sg_tablesize = PM8001_MAX_DMA_SG,
+ .max_sectors = SCSI_DEFAULT_MAX_SECTORS,
+ .eh_device_reset_handler = sas_eh_device_reset_handler,
+ .eh_target_reset_handler = sas_eh_target_reset_handler,
+ .slave_alloc = sas_slave_alloc,
+ .target_destroy = sas_target_destroy,
+ .ioctl = sas_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = sas_ioctl,
+#endif
+ .shost_groups = pm8001_host_groups,
+ .track_queue_depth = 1,
+ .cmd_per_lun = 32,
+ .map_queues = pm8001_map_queues,
+};
+
+/*
+ * Sas layer call this function to execute specific task.
+ */
+static struct sas_domain_function_template pm8001_transport_ops = {
+ .lldd_dev_found = pm8001_dev_found,
+ .lldd_dev_gone = pm8001_dev_gone,
+
+ .lldd_execute_task = pm8001_queue_command,
+ .lldd_control_phy = pm8001_phy_control,
+
+ .lldd_abort_task = pm8001_abort_task,
+ .lldd_abort_task_set = sas_abort_task_set,
+ .lldd_clear_task_set = pm8001_clear_task_set,
+ .lldd_I_T_nexus_reset = pm8001_I_T_nexus_reset,
+ .lldd_lu_reset = pm8001_lu_reset,
+ .lldd_query_task = pm8001_query_task,
+ .lldd_port_formed = pm8001_port_formed,
+ .lldd_tmf_exec_complete = pm8001_setds_completion,
+ .lldd_tmf_aborted = pm8001_tmf_aborted,
+};
+
+/**
+ * pm8001_phy_init - initiate our adapter phys
+ * @pm8001_ha: our hba structure.
+ * @phy_id: phy id.
+ */
+static void pm8001_phy_init(struct pm8001_hba_info *pm8001_ha, int phy_id)
+{
+ struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
+ struct asd_sas_phy *sas_phy = &phy->sas_phy;
+ phy->phy_state = PHY_LINK_DISABLE;
+ phy->pm8001_ha = pm8001_ha;
+ phy->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS;
+ phy->maximum_linkrate = SAS_LINK_RATE_6_0_GBPS;
+ sas_phy->enabled = (phy_id < pm8001_ha->chip->n_phy) ? 1 : 0;
+ sas_phy->iproto = SAS_PROTOCOL_ALL;
+ sas_phy->tproto = 0;
+ sas_phy->role = PHY_ROLE_INITIATOR;
+ sas_phy->oob_mode = OOB_NOT_CONNECTED;
+ sas_phy->linkrate = SAS_LINK_RATE_UNKNOWN;
+ sas_phy->id = phy_id;
+ sas_phy->sas_addr = (u8 *)&phy->dev_sas_addr;
+ sas_phy->frame_rcvd = &phy->frame_rcvd[0];
+ sas_phy->ha = (struct sas_ha_struct *)pm8001_ha->shost->hostdata;
+ sas_phy->lldd_phy = phy;
+}
+
+/**
+ * pm8001_free - free hba
+ * @pm8001_ha: our hba structure.
+ */
+static void pm8001_free(struct pm8001_hba_info *pm8001_ha)
+{
+ int i;
+
+ if (!pm8001_ha)
+ return;
+
+ for (i = 0; i < USI_MAX_MEMCNT; i++) {
+ if (pm8001_ha->memoryMap.region[i].virt_ptr != NULL) {
+ dma_free_coherent(&pm8001_ha->pdev->dev,
+ (pm8001_ha->memoryMap.region[i].total_len +
+ pm8001_ha->memoryMap.region[i].alignment),
+ pm8001_ha->memoryMap.region[i].virt_ptr,
+ pm8001_ha->memoryMap.region[i].phys_addr);
+ }
+ }
+ PM8001_CHIP_DISP->chip_iounmap(pm8001_ha);
+ flush_workqueue(pm8001_wq);
+ bitmap_free(pm8001_ha->rsvd_tags);
+ kfree(pm8001_ha);
+}
+
+#ifdef PM8001_USE_TASKLET
+
+/**
+ * pm8001_tasklet() - tasklet for 64 msi-x interrupt handler
+ * @opaque: the passed general host adapter struct
+ * Note: pm8001_tasklet is common for pm8001 & pm80xx
+ */
+static void pm8001_tasklet(unsigned long opaque)
+{
+ struct pm8001_hba_info *pm8001_ha;
+ struct isr_param *irq_vector;
+
+ irq_vector = (struct isr_param *)opaque;
+ pm8001_ha = irq_vector->drv_inst;
+ if (unlikely(!pm8001_ha))
+ BUG_ON(1);
+ PM8001_CHIP_DISP->isr(pm8001_ha, irq_vector->irq_id);
+}
+#endif
+
+/**
+ * pm8001_interrupt_handler_msix - main MSIX interrupt handler.
+ * It obtains the vector number and calls the equivalent bottom
+ * half or services directly.
+ * @irq: interrupt number
+ * @opaque: the passed outbound queue/vector. Host structure is
+ * retrieved from the same.
+ */
+static irqreturn_t pm8001_interrupt_handler_msix(int irq, void *opaque)
+{
+ struct isr_param *irq_vector;
+ struct pm8001_hba_info *pm8001_ha;
+ irqreturn_t ret = IRQ_HANDLED;
+ irq_vector = (struct isr_param *)opaque;
+ pm8001_ha = irq_vector->drv_inst;
+
+ if (unlikely(!pm8001_ha))
+ return IRQ_NONE;
+ if (!PM8001_CHIP_DISP->is_our_interrupt(pm8001_ha))
+ return IRQ_NONE;
+#ifdef PM8001_USE_TASKLET
+ tasklet_schedule(&pm8001_ha->tasklet[irq_vector->irq_id]);
+#else
+ ret = PM8001_CHIP_DISP->isr(pm8001_ha, irq_vector->irq_id);
+#endif
+ return ret;
+}
+
+/**
+ * pm8001_interrupt_handler_intx - main INTx interrupt handler.
+ * @irq: interrupt number
+ * @dev_id: sas_ha structure. The HBA is retrieved from sas_ha structure.
+ */
+
+static irqreturn_t pm8001_interrupt_handler_intx(int irq, void *dev_id)
+{
+ struct pm8001_hba_info *pm8001_ha;
+ irqreturn_t ret = IRQ_HANDLED;
+ struct sas_ha_struct *sha = dev_id;
+ pm8001_ha = sha->lldd_ha;
+ if (unlikely(!pm8001_ha))
+ return IRQ_NONE;
+ if (!PM8001_CHIP_DISP->is_our_interrupt(pm8001_ha))
+ return IRQ_NONE;
+
+#ifdef PM8001_USE_TASKLET
+ tasklet_schedule(&pm8001_ha->tasklet[0]);
+#else
+ ret = PM8001_CHIP_DISP->isr(pm8001_ha, 0);
+#endif
+ return ret;
+}
+
+static u32 pm8001_request_irq(struct pm8001_hba_info *pm8001_ha);
+
+/**
+ * pm8001_alloc - initiate our hba structure and 6 DMAs area.
+ * @pm8001_ha: our hba structure.
+ * @ent: PCI device ID structure to match on
+ */
+static int pm8001_alloc(struct pm8001_hba_info *pm8001_ha,
+ const struct pci_device_id *ent)
+{
+ int i, count = 0, rc = 0;
+ u32 ci_offset, ib_offset, ob_offset, pi_offset;
+ struct inbound_queue_table *ibq;
+ struct outbound_queue_table *obq;
+
+ spin_lock_init(&pm8001_ha->lock);
+ spin_lock_init(&pm8001_ha->bitmap_lock);
+ pm8001_dbg(pm8001_ha, INIT, "pm8001_alloc: PHY:%x\n",
+ pm8001_ha->chip->n_phy);
+
+ /* Request Interrupt */
+ rc = pm8001_request_irq(pm8001_ha);
+ if (rc)
+ goto err_out;
+
+ count = pm8001_ha->max_q_num;
+ /* Queues are chosen based on the number of cores/msix availability */
+ ib_offset = pm8001_ha->ib_offset = USI_MAX_MEMCNT_BASE;
+ ci_offset = pm8001_ha->ci_offset = ib_offset + count;
+ ob_offset = pm8001_ha->ob_offset = ci_offset + count;
+ pi_offset = pm8001_ha->pi_offset = ob_offset + count;
+ pm8001_ha->max_memcnt = pi_offset + count;
+
+ for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
+ pm8001_phy_init(pm8001_ha, i);
+ pm8001_ha->port[i].wide_port_phymap = 0;
+ pm8001_ha->port[i].port_attached = 0;
+ pm8001_ha->port[i].port_state = 0;
+ INIT_LIST_HEAD(&pm8001_ha->port[i].list);
+ }
+
+ /* MPI Memory region 1 for AAP Event Log for fw */
+ pm8001_ha->memoryMap.region[AAP1].num_elements = 1;
+ pm8001_ha->memoryMap.region[AAP1].element_size = PM8001_EVENT_LOG_SIZE;
+ pm8001_ha->memoryMap.region[AAP1].total_len = PM8001_EVENT_LOG_SIZE;
+ pm8001_ha->memoryMap.region[AAP1].alignment = 32;
+
+ /* MPI Memory region 2 for IOP Event Log for fw */
+ pm8001_ha->memoryMap.region[IOP].num_elements = 1;
+ pm8001_ha->memoryMap.region[IOP].element_size = PM8001_EVENT_LOG_SIZE;
+ pm8001_ha->memoryMap.region[IOP].total_len = PM8001_EVENT_LOG_SIZE;
+ pm8001_ha->memoryMap.region[IOP].alignment = 32;
+
+ for (i = 0; i < count; i++) {
+ ibq = &pm8001_ha->inbnd_q_tbl[i];
+ spin_lock_init(&ibq->iq_lock);
+ /* MPI Memory region 3 for consumer Index of inbound queues */
+ pm8001_ha->memoryMap.region[ci_offset+i].num_elements = 1;
+ pm8001_ha->memoryMap.region[ci_offset+i].element_size = 4;
+ pm8001_ha->memoryMap.region[ci_offset+i].total_len = 4;
+ pm8001_ha->memoryMap.region[ci_offset+i].alignment = 4;
+
+ if ((ent->driver_data) != chip_8001) {
+ /* MPI Memory region 5 inbound queues */
+ pm8001_ha->memoryMap.region[ib_offset+i].num_elements =
+ PM8001_MPI_QUEUE;
+ pm8001_ha->memoryMap.region[ib_offset+i].element_size
+ = 128;
+ pm8001_ha->memoryMap.region[ib_offset+i].total_len =
+ PM8001_MPI_QUEUE * 128;
+ pm8001_ha->memoryMap.region[ib_offset+i].alignment
+ = 128;
+ } else {
+ pm8001_ha->memoryMap.region[ib_offset+i].num_elements =
+ PM8001_MPI_QUEUE;
+ pm8001_ha->memoryMap.region[ib_offset+i].element_size
+ = 64;
+ pm8001_ha->memoryMap.region[ib_offset+i].total_len =
+ PM8001_MPI_QUEUE * 64;
+ pm8001_ha->memoryMap.region[ib_offset+i].alignment = 64;
+ }
+ }
+
+ for (i = 0; i < count; i++) {
+ obq = &pm8001_ha->outbnd_q_tbl[i];
+ spin_lock_init(&obq->oq_lock);
+ /* MPI Memory region 4 for producer Index of outbound queues */
+ pm8001_ha->memoryMap.region[pi_offset+i].num_elements = 1;
+ pm8001_ha->memoryMap.region[pi_offset+i].element_size = 4;
+ pm8001_ha->memoryMap.region[pi_offset+i].total_len = 4;
+ pm8001_ha->memoryMap.region[pi_offset+i].alignment = 4;
+
+ if (ent->driver_data != chip_8001) {
+ /* MPI Memory region 6 Outbound queues */
+ pm8001_ha->memoryMap.region[ob_offset+i].num_elements =
+ PM8001_MPI_QUEUE;
+ pm8001_ha->memoryMap.region[ob_offset+i].element_size
+ = 128;
+ pm8001_ha->memoryMap.region[ob_offset+i].total_len =
+ PM8001_MPI_QUEUE * 128;
+ pm8001_ha->memoryMap.region[ob_offset+i].alignment
+ = 128;
+ } else {
+ /* MPI Memory region 6 Outbound queues */
+ pm8001_ha->memoryMap.region[ob_offset+i].num_elements =
+ PM8001_MPI_QUEUE;
+ pm8001_ha->memoryMap.region[ob_offset+i].element_size
+ = 64;
+ pm8001_ha->memoryMap.region[ob_offset+i].total_len =
+ PM8001_MPI_QUEUE * 64;
+ pm8001_ha->memoryMap.region[ob_offset+i].alignment = 64;
+ }
+
+ }
+ /* Memory region write DMA*/
+ pm8001_ha->memoryMap.region[NVMD].num_elements = 1;
+ pm8001_ha->memoryMap.region[NVMD].element_size = 4096;
+ pm8001_ha->memoryMap.region[NVMD].total_len = 4096;
+
+ /* Memory region for fw flash */
+ pm8001_ha->memoryMap.region[FW_FLASH].total_len = 4096;
+
+ pm8001_ha->memoryMap.region[FORENSIC_MEM].num_elements = 1;
+ pm8001_ha->memoryMap.region[FORENSIC_MEM].total_len = 0x10000;
+ pm8001_ha->memoryMap.region[FORENSIC_MEM].element_size = 0x10000;
+ pm8001_ha->memoryMap.region[FORENSIC_MEM].alignment = 0x10000;
+ for (i = 0; i < pm8001_ha->max_memcnt; i++) {
+ struct mpi_mem *region = &pm8001_ha->memoryMap.region[i];
+
+ if (pm8001_mem_alloc(pm8001_ha->pdev,
+ &region->virt_ptr,
+ &region->phys_addr,
+ &region->phys_addr_hi,
+ &region->phys_addr_lo,
+ region->total_len,
+ region->alignment) != 0) {
+ pm8001_dbg(pm8001_ha, FAIL, "Mem%d alloc failed\n", i);
+ goto err_out;
+ }
+ }
+
+ /* Memory region for devices*/
+ pm8001_ha->devices = kzalloc(PM8001_MAX_DEVICES
+ * sizeof(struct pm8001_device), GFP_KERNEL);
+ if (!pm8001_ha->devices) {
+ rc = -ENOMEM;
+ goto err_out_nodev;
+ }
+ for (i = 0; i < PM8001_MAX_DEVICES; i++) {
+ pm8001_ha->devices[i].dev_type = SAS_PHY_UNUSED;
+ pm8001_ha->devices[i].id = i;
+ pm8001_ha->devices[i].device_id = PM8001_MAX_DEVICES;
+ atomic_set(&pm8001_ha->devices[i].running_req, 0);
+ }
+ pm8001_ha->flags = PM8001F_INIT_TIME;
+ return 0;
+
+err_out_nodev:
+ for (i = 0; i < pm8001_ha->max_memcnt; i++) {
+ if (pm8001_ha->memoryMap.region[i].virt_ptr != NULL) {
+ dma_free_coherent(&pm8001_ha->pdev->dev,
+ (pm8001_ha->memoryMap.region[i].total_len +
+ pm8001_ha->memoryMap.region[i].alignment),
+ pm8001_ha->memoryMap.region[i].virt_ptr,
+ pm8001_ha->memoryMap.region[i].phys_addr);
+ }
+ }
+err_out:
+ return 1;
+}
+
+/**
+ * pm8001_ioremap - remap the pci high physical address to kernel virtual
+ * address so that we can access them.
+ * @pm8001_ha: our hba structure.
+ */
+static int pm8001_ioremap(struct pm8001_hba_info *pm8001_ha)
+{
+ u32 bar;
+ u32 logicalBar = 0;
+ struct pci_dev *pdev;
+
+ pdev = pm8001_ha->pdev;
+ /* map pci mem (PMC pci base 0-3)*/
+ for (bar = 0; bar < PCI_STD_NUM_BARS; bar++) {
+ /*
+ ** logical BARs for SPC:
+ ** bar 0 and 1 - logical BAR0
+ ** bar 2 and 3 - logical BAR1
+ ** bar4 - logical BAR2
+ ** bar5 - logical BAR3
+ ** Skip the appropriate assignments:
+ */
+ if ((bar == 1) || (bar == 3))
+ continue;
+ if (pci_resource_flags(pdev, bar) & IORESOURCE_MEM) {
+ pm8001_ha->io_mem[logicalBar].membase =
+ pci_resource_start(pdev, bar);
+ pm8001_ha->io_mem[logicalBar].memsize =
+ pci_resource_len(pdev, bar);
+ pm8001_ha->io_mem[logicalBar].memvirtaddr =
+ ioremap(pm8001_ha->io_mem[logicalBar].membase,
+ pm8001_ha->io_mem[logicalBar].memsize);
+ if (!pm8001_ha->io_mem[logicalBar].memvirtaddr) {
+ pm8001_dbg(pm8001_ha, INIT,
+ "Failed to ioremap bar %d, logicalBar %d",
+ bar, logicalBar);
+ return -ENOMEM;
+ }
+ pm8001_dbg(pm8001_ha, INIT,
+ "base addr %llx virt_addr=%llx len=%d\n",
+ (u64)pm8001_ha->io_mem[logicalBar].membase,
+ (u64)(unsigned long)
+ pm8001_ha->io_mem[logicalBar].memvirtaddr,
+ pm8001_ha->io_mem[logicalBar].memsize);
+ } else {
+ pm8001_ha->io_mem[logicalBar].membase = 0;
+ pm8001_ha->io_mem[logicalBar].memsize = 0;
+ pm8001_ha->io_mem[logicalBar].memvirtaddr = NULL;
+ }
+ logicalBar++;
+ }
+ return 0;
+}
+
+/**
+ * pm8001_pci_alloc - initialize our ha card structure
+ * @pdev: pci device.
+ * @ent: ent
+ * @shost: scsi host struct which has been initialized before.
+ */
+static struct pm8001_hba_info *pm8001_pci_alloc(struct pci_dev *pdev,
+ const struct pci_device_id *ent,
+ struct Scsi_Host *shost)
+
+{
+ struct pm8001_hba_info *pm8001_ha;
+ struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
+ int j;
+
+ pm8001_ha = sha->lldd_ha;
+ if (!pm8001_ha)
+ return NULL;
+
+ pm8001_ha->pdev = pdev;
+ pm8001_ha->dev = &pdev->dev;
+ pm8001_ha->chip_id = ent->driver_data;
+ pm8001_ha->chip = &pm8001_chips[pm8001_ha->chip_id];
+ pm8001_ha->irq = pdev->irq;
+ pm8001_ha->sas = sha;
+ pm8001_ha->shost = shost;
+ pm8001_ha->id = pm8001_id++;
+ pm8001_ha->logging_level = logging_level;
+ pm8001_ha->non_fatal_count = 0;
+ if (link_rate >= 1 && link_rate <= 15)
+ pm8001_ha->link_rate = (link_rate << 8);
+ else {
+ pm8001_ha->link_rate = LINKRATE_15 | LINKRATE_30 |
+ LINKRATE_60 | LINKRATE_120;
+ pm8001_dbg(pm8001_ha, FAIL,
+ "Setting link rate to default value\n");
+ }
+ sprintf(pm8001_ha->name, "%s%d", DRV_NAME, pm8001_ha->id);
+ /* IOMB size is 128 for 8088/89 controllers */
+ if (pm8001_ha->chip_id != chip_8001)
+ pm8001_ha->iomb_size = IOMB_SIZE_SPCV;
+ else
+ pm8001_ha->iomb_size = IOMB_SIZE_SPC;
+
+#ifdef PM8001_USE_TASKLET
+ /* Tasklet for non msi-x interrupt handler */
+ if ((!pdev->msix_cap || !pci_msi_enabled())
+ || (pm8001_ha->chip_id == chip_8001))
+ tasklet_init(&pm8001_ha->tasklet[0], pm8001_tasklet,
+ (unsigned long)&(pm8001_ha->irq_vector[0]));
+ else
+ for (j = 0; j < PM8001_MAX_MSIX_VEC; j++)
+ tasklet_init(&pm8001_ha->tasklet[j], pm8001_tasklet,
+ (unsigned long)&(pm8001_ha->irq_vector[j]));
+#endif
+ if (pm8001_ioremap(pm8001_ha))
+ goto failed_pci_alloc;
+ if (!pm8001_alloc(pm8001_ha, ent))
+ return pm8001_ha;
+failed_pci_alloc:
+ pm8001_free(pm8001_ha);
+ return NULL;
+}
+
+/**
+ * pci_go_44 - pm8001 specified, its DMA is 44 bit rather than 64 bit
+ * @pdev: pci device.
+ */
+static int pci_go_44(struct pci_dev *pdev)
+{
+ int rc;
+
+ rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(44));
+ if (rc) {
+ rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
+ if (rc)
+ dev_printk(KERN_ERR, &pdev->dev,
+ "32-bit DMA enable failed\n");
+ }
+ return rc;
+}
+
+/**
+ * pm8001_prep_sas_ha_init - allocate memory in general hba struct && init them.
+ * @shost: scsi host which has been allocated outside.
+ * @chip_info: our ha struct.
+ */
+static int pm8001_prep_sas_ha_init(struct Scsi_Host *shost,
+ const struct pm8001_chip_info *chip_info)
+{
+ int phy_nr, port_nr;
+ struct asd_sas_phy **arr_phy;
+ struct asd_sas_port **arr_port;
+ struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
+
+ phy_nr = chip_info->n_phy;
+ port_nr = phy_nr;
+ memset(sha, 0x00, sizeof(*sha));
+ arr_phy = kcalloc(phy_nr, sizeof(void *), GFP_KERNEL);
+ if (!arr_phy)
+ goto exit;
+ arr_port = kcalloc(port_nr, sizeof(void *), GFP_KERNEL);
+ if (!arr_port)
+ goto exit_free2;
+
+ sha->sas_phy = arr_phy;
+ sha->sas_port = arr_port;
+ sha->lldd_ha = kzalloc(sizeof(struct pm8001_hba_info), GFP_KERNEL);
+ if (!sha->lldd_ha)
+ goto exit_free1;
+
+ shost->transportt = pm8001_stt;
+ shost->max_id = PM8001_MAX_DEVICES;
+ shost->unique_id = pm8001_id;
+ shost->max_cmd_len = 16;
+ return 0;
+exit_free1:
+ kfree(arr_port);
+exit_free2:
+ kfree(arr_phy);
+exit:
+ return -1;
+}
+
+/**
+ * pm8001_post_sas_ha_init - initialize general hba struct defined in libsas
+ * @shost: scsi host which has been allocated outside
+ * @chip_info: our ha struct.
+ */
+static void pm8001_post_sas_ha_init(struct Scsi_Host *shost,
+ const struct pm8001_chip_info *chip_info)
+{
+ int i = 0;
+ struct pm8001_hba_info *pm8001_ha;
+ struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
+
+ pm8001_ha = sha->lldd_ha;
+ for (i = 0; i < chip_info->n_phy; i++) {
+ sha->sas_phy[i] = &pm8001_ha->phy[i].sas_phy;
+ sha->sas_port[i] = &pm8001_ha->port[i].sas_port;
+ sha->sas_phy[i]->sas_addr =
+ (u8 *)&pm8001_ha->phy[i].dev_sas_addr;
+ }
+ sha->sas_ha_name = DRV_NAME;
+ sha->dev = pm8001_ha->dev;
+ sha->strict_wide_ports = 1;
+ sha->sas_addr = &pm8001_ha->sas_addr[0];
+ sha->num_phys = chip_info->n_phy;
+ sha->shost = shost;
+}
+
+/**
+ * pm8001_init_sas_add - initialize sas address
+ * @pm8001_ha: our ha struct.
+ *
+ * Currently we just set the fixed SAS address to our HBA, for manufacture,
+ * it should read from the EEPROM
+ */
+static int pm8001_init_sas_add(struct pm8001_hba_info *pm8001_ha)
+{
+ u8 i, j;
+ u8 sas_add[8];
+#ifdef PM8001_READ_VPD
+ /* For new SPC controllers WWN is stored in flash vpd
+ * For SPC/SPCve controllers WWN is stored in EEPROM
+ * For Older SPC WWN is stored in NVMD
+ */
+ DECLARE_COMPLETION_ONSTACK(completion);
+ struct pm8001_ioctl_payload payload;
+ u16 deviceid;
+ int rc;
+ unsigned long time_remaining;
+
+ if (PM8001_CHIP_DISP->fatal_errors(pm8001_ha)) {
+ pm8001_dbg(pm8001_ha, FAIL, "controller is in fatal error state\n");
+ return -EIO;
+ }
+
+ pci_read_config_word(pm8001_ha->pdev, PCI_DEVICE_ID, &deviceid);
+ pm8001_ha->nvmd_completion = &completion;
+
+ if (pm8001_ha->chip_id == chip_8001) {
+ if (deviceid == 0x8081 || deviceid == 0x0042) {
+ payload.minor_function = 4;
+ payload.rd_length = 4096;
+ } else {
+ payload.minor_function = 0;
+ payload.rd_length = 128;
+ }
+ } else if ((pm8001_ha->chip_id == chip_8070 ||
+ pm8001_ha->chip_id == chip_8072) &&
+ pm8001_ha->pdev->subsystem_vendor == PCI_VENDOR_ID_ATTO) {
+ payload.minor_function = 4;
+ payload.rd_length = 4096;
+ } else {
+ payload.minor_function = 1;
+ payload.rd_length = 4096;
+ }
+ payload.offset = 0;
+ payload.func_specific = kzalloc(payload.rd_length, GFP_KERNEL);
+ if (!payload.func_specific) {
+ pm8001_dbg(pm8001_ha, FAIL, "mem alloc fail\n");
+ return -ENOMEM;
+ }
+ rc = PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload);
+ if (rc) {
+ kfree(payload.func_specific);
+ pm8001_dbg(pm8001_ha, FAIL, "nvmd failed\n");
+ return -EIO;
+ }
+ time_remaining = wait_for_completion_timeout(&completion,
+ msecs_to_jiffies(60*1000)); // 1 min
+ if (!time_remaining) {
+ kfree(payload.func_specific);
+ pm8001_dbg(pm8001_ha, FAIL, "get_nvmd_req timeout\n");
+ return -EIO;
+ }
+
+
+ for (i = 0, j = 0; i <= 7; i++, j++) {
+ if (pm8001_ha->chip_id == chip_8001) {
+ if (deviceid == 0x8081)
+ pm8001_ha->sas_addr[j] =
+ payload.func_specific[0x704 + i];
+ else if (deviceid == 0x0042)
+ pm8001_ha->sas_addr[j] =
+ payload.func_specific[0x010 + i];
+ } else if ((pm8001_ha->chip_id == chip_8070 ||
+ pm8001_ha->chip_id == chip_8072) &&
+ pm8001_ha->pdev->subsystem_vendor == PCI_VENDOR_ID_ATTO) {
+ pm8001_ha->sas_addr[j] =
+ payload.func_specific[0x010 + i];
+ } else
+ pm8001_ha->sas_addr[j] =
+ payload.func_specific[0x804 + i];
+ }
+ memcpy(sas_add, pm8001_ha->sas_addr, SAS_ADDR_SIZE);
+ for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
+ if (i && ((i % 4) == 0))
+ sas_add[7] = sas_add[7] + 4;
+ memcpy(&pm8001_ha->phy[i].dev_sas_addr,
+ sas_add, SAS_ADDR_SIZE);
+ pm8001_dbg(pm8001_ha, INIT, "phy %d sas_addr = %016llx\n", i,
+ pm8001_ha->phy[i].dev_sas_addr);
+ }
+ kfree(payload.func_specific);
+#else
+ for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
+ pm8001_ha->phy[i].dev_sas_addr = 0x50010c600047f9d0ULL;
+ pm8001_ha->phy[i].dev_sas_addr =
+ cpu_to_be64((u64)
+ (*(u64 *)&pm8001_ha->phy[i].dev_sas_addr));
+ }
+ memcpy(pm8001_ha->sas_addr, &pm8001_ha->phy[0].dev_sas_addr,
+ SAS_ADDR_SIZE);
+#endif
+ return 0;
+}
+
+/*
+ * pm8001_get_phy_settings_info : Read phy setting values.
+ * @pm8001_ha : our hba.
+ */
+static int pm8001_get_phy_settings_info(struct pm8001_hba_info *pm8001_ha)
+{
+
+#ifdef PM8001_READ_VPD
+ /*OPTION ROM FLASH read for the SPC cards */
+ DECLARE_COMPLETION_ONSTACK(completion);
+ struct pm8001_ioctl_payload payload;
+ int rc;
+
+ pm8001_ha->nvmd_completion = &completion;
+ /* SAS ADDRESS read from flash / EEPROM */
+ payload.minor_function = 6;
+ payload.offset = 0;
+ payload.rd_length = 4096;
+ payload.func_specific = kzalloc(4096, GFP_KERNEL);
+ if (!payload.func_specific)
+ return -ENOMEM;
+ /* Read phy setting values from flash */
+ rc = PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload);
+ if (rc) {
+ kfree(payload.func_specific);
+ pm8001_dbg(pm8001_ha, INIT, "nvmd failed\n");
+ return -ENOMEM;
+ }
+ wait_for_completion(&completion);
+ pm8001_set_phy_profile(pm8001_ha, sizeof(u8), payload.func_specific);
+ kfree(payload.func_specific);
+#endif
+ return 0;
+}
+
+struct pm8001_mpi3_phy_pg_trx_config {
+ u32 LaneLosCfg;
+ u32 LanePgaCfg1;
+ u32 LanePisoCfg1;
+ u32 LanePisoCfg2;
+ u32 LanePisoCfg3;
+ u32 LanePisoCfg4;
+ u32 LanePisoCfg5;
+ u32 LanePisoCfg6;
+ u32 LaneBctCtrl;
+};
+
+/**
+ * pm8001_get_internal_phy_settings - Retrieves the internal PHY settings
+ * @pm8001_ha : our adapter
+ * @phycfg : PHY config page to populate
+ */
+static
+void pm8001_get_internal_phy_settings(struct pm8001_hba_info *pm8001_ha,
+ struct pm8001_mpi3_phy_pg_trx_config *phycfg)
+{
+ phycfg->LaneLosCfg = 0x00000132;
+ phycfg->LanePgaCfg1 = 0x00203949;
+ phycfg->LanePisoCfg1 = 0x000000FF;
+ phycfg->LanePisoCfg2 = 0xFF000001;
+ phycfg->LanePisoCfg3 = 0xE7011300;
+ phycfg->LanePisoCfg4 = 0x631C40C0;
+ phycfg->LanePisoCfg5 = 0xF8102036;
+ phycfg->LanePisoCfg6 = 0xF74A1000;
+ phycfg->LaneBctCtrl = 0x00FB33F8;
+}
+
+/**
+ * pm8001_get_external_phy_settings - Retrieves the external PHY settings
+ * @pm8001_ha : our adapter
+ * @phycfg : PHY config page to populate
+ */
+static
+void pm8001_get_external_phy_settings(struct pm8001_hba_info *pm8001_ha,
+ struct pm8001_mpi3_phy_pg_trx_config *phycfg)
+{
+ phycfg->LaneLosCfg = 0x00000132;
+ phycfg->LanePgaCfg1 = 0x00203949;
+ phycfg->LanePisoCfg1 = 0x000000FF;
+ phycfg->LanePisoCfg2 = 0xFF000001;
+ phycfg->LanePisoCfg3 = 0xE7011300;
+ phycfg->LanePisoCfg4 = 0x63349140;
+ phycfg->LanePisoCfg5 = 0xF8102036;
+ phycfg->LanePisoCfg6 = 0xF80D9300;
+ phycfg->LaneBctCtrl = 0x00FB33F8;
+}
+
+/**
+ * pm8001_get_phy_mask - Retrieves the mask that denotes if a PHY is int/ext
+ * @pm8001_ha : our adapter
+ * @phymask : The PHY mask
+ */
+static
+void pm8001_get_phy_mask(struct pm8001_hba_info *pm8001_ha, int *phymask)
+{
+ switch (pm8001_ha->pdev->subsystem_device) {
+ case 0x0070: /* H1280 - 8 external 0 internal */
+ case 0x0072: /* H12F0 - 16 external 0 internal */
+ *phymask = 0x0000;
+ break;
+
+ case 0x0071: /* H1208 - 0 external 8 internal */
+ case 0x0073: /* H120F - 0 external 16 internal */
+ *phymask = 0xFFFF;
+ break;
+
+ case 0x0080: /* H1244 - 4 external 4 internal */
+ *phymask = 0x00F0;
+ break;
+
+ case 0x0081: /* H1248 - 4 external 8 internal */
+ *phymask = 0x0FF0;
+ break;
+
+ case 0x0082: /* H1288 - 8 external 8 internal */
+ *phymask = 0xFF00;
+ break;
+
+ default:
+ pm8001_dbg(pm8001_ha, INIT,
+ "Unknown subsystem device=0x%.04x\n",
+ pm8001_ha->pdev->subsystem_device);
+ }
+}
+
+/**
+ * pm8001_set_phy_settings_ven_117c_12G() - Configure ATTO 12Gb PHY settings
+ * @pm8001_ha : our adapter
+ */
+static
+int pm8001_set_phy_settings_ven_117c_12G(struct pm8001_hba_info *pm8001_ha)
+{
+ struct pm8001_mpi3_phy_pg_trx_config phycfg_int;
+ struct pm8001_mpi3_phy_pg_trx_config phycfg_ext;
+ int phymask = 0;
+ int i = 0;
+
+ memset(&phycfg_int, 0, sizeof(phycfg_int));
+ memset(&phycfg_ext, 0, sizeof(phycfg_ext));
+
+ pm8001_get_internal_phy_settings(pm8001_ha, &phycfg_int);
+ pm8001_get_external_phy_settings(pm8001_ha, &phycfg_ext);
+ pm8001_get_phy_mask(pm8001_ha, &phymask);
+
+ for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
+ if (phymask & (1 << i)) {/* Internal PHY */
+ pm8001_set_phy_profile_single(pm8001_ha, i,
+ sizeof(phycfg_int) / sizeof(u32),
+ (u32 *)&phycfg_int);
+
+ } else { /* External PHY */
+ pm8001_set_phy_profile_single(pm8001_ha, i,
+ sizeof(phycfg_ext) / sizeof(u32),
+ (u32 *)&phycfg_ext);
+ }
+ }
+
+ return 0;
+}
+
+/**
+ * pm8001_configure_phy_settings - Configures PHY settings based on vendor ID.
+ * @pm8001_ha : our hba.
+ */
+static int pm8001_configure_phy_settings(struct pm8001_hba_info *pm8001_ha)
+{
+ switch (pm8001_ha->pdev->subsystem_vendor) {
+ case PCI_VENDOR_ID_ATTO:
+ if (pm8001_ha->pdev->device == 0x0042) /* 6Gb */
+ return 0;
+ else
+ return pm8001_set_phy_settings_ven_117c_12G(pm8001_ha);
+
+ case PCI_VENDOR_ID_ADAPTEC2:
+ case 0:
+ return 0;
+
+ default:
+ return pm8001_get_phy_settings_info(pm8001_ha);
+ }
+}
+
+#ifdef PM8001_USE_MSIX
+/**
+ * pm8001_setup_msix - enable MSI-X interrupt
+ * @pm8001_ha: our ha struct.
+ */
+static u32 pm8001_setup_msix(struct pm8001_hba_info *pm8001_ha)
+{
+ unsigned int allocated_irq_vectors;
+ int rc;
+
+ /* SPCv controllers supports 64 msi-x */
+ if (pm8001_ha->chip_id == chip_8001) {
+ rc = pci_alloc_irq_vectors(pm8001_ha->pdev, 1, 1,
+ PCI_IRQ_MSIX);
+ } else {
+ /*
+ * Queue index #0 is used always for housekeeping, so don't
+ * include in the affinity spreading.
+ */
+ struct irq_affinity desc = {
+ .pre_vectors = 1,
+ };
+ rc = pci_alloc_irq_vectors_affinity(
+ pm8001_ha->pdev, 2, PM8001_MAX_MSIX_VEC,
+ PCI_IRQ_MSIX | PCI_IRQ_AFFINITY, &desc);
+ }
+
+ allocated_irq_vectors = rc;
+ if (rc < 0)
+ return rc;
+
+ /* Assigns the number of interrupts */
+ pm8001_ha->number_of_intr = allocated_irq_vectors;
+
+ /* Maximum queue number updating in HBA structure */
+ pm8001_ha->max_q_num = allocated_irq_vectors;
+
+ pm8001_dbg(pm8001_ha, INIT,
+ "pci_alloc_irq_vectors request ret:%d no of intr %d\n",
+ rc, pm8001_ha->number_of_intr);
+ return 0;
+}
+
+static u32 pm8001_request_msix(struct pm8001_hba_info *pm8001_ha)
+{
+ u32 i = 0, j = 0;
+ int flag = 0, rc = 0;
+ int nr_irqs = pm8001_ha->number_of_intr;
+
+ if (pm8001_ha->chip_id != chip_8001)
+ flag &= ~IRQF_SHARED;
+
+ pm8001_dbg(pm8001_ha, INIT,
+ "pci_enable_msix request number of intr %d\n",
+ pm8001_ha->number_of_intr);
+
+ if (nr_irqs > ARRAY_SIZE(pm8001_ha->intr_drvname))
+ nr_irqs = ARRAY_SIZE(pm8001_ha->intr_drvname);
+
+ for (i = 0; i < nr_irqs; i++) {
+ snprintf(pm8001_ha->intr_drvname[i],
+ sizeof(pm8001_ha->intr_drvname[0]),
+ "%s-%d", pm8001_ha->name, i);
+ pm8001_ha->irq_vector[i].irq_id = i;
+ pm8001_ha->irq_vector[i].drv_inst = pm8001_ha;
+
+ rc = request_irq(pci_irq_vector(pm8001_ha->pdev, i),
+ pm8001_interrupt_handler_msix, flag,
+ pm8001_ha->intr_drvname[i],
+ &(pm8001_ha->irq_vector[i]));
+ if (rc) {
+ for (j = 0; j < i; j++) {
+ free_irq(pci_irq_vector(pm8001_ha->pdev, i),
+ &(pm8001_ha->irq_vector[i]));
+ }
+ pci_free_irq_vectors(pm8001_ha->pdev);
+ break;
+ }
+ }
+
+ return rc;
+}
+#endif
+
+/**
+ * pm8001_request_irq - register interrupt
+ * @pm8001_ha: our ha struct.
+ */
+static u32 pm8001_request_irq(struct pm8001_hba_info *pm8001_ha)
+{
+ struct pci_dev *pdev = pm8001_ha->pdev;
+#ifdef PM8001_USE_MSIX
+ int rc;
+
+ if (pci_find_capability(pdev, PCI_CAP_ID_MSIX)) {
+ rc = pm8001_setup_msix(pm8001_ha);
+ if (rc) {
+ pm8001_dbg(pm8001_ha, FAIL,
+ "pm8001_setup_irq failed [ret: %d]\n", rc);
+ return rc;
+ }
+
+ if (pdev->msix_cap && pci_msi_enabled())
+ return pm8001_request_msix(pm8001_ha);
+ }
+
+ pm8001_dbg(pm8001_ha, INIT, "MSIX not supported!!!\n");
+#endif
+
+ /* initialize the INT-X interrupt */
+ pm8001_ha->irq_vector[0].irq_id = 0;
+ pm8001_ha->irq_vector[0].drv_inst = pm8001_ha;
+
+ return request_irq(pdev->irq, pm8001_interrupt_handler_intx,
+ IRQF_SHARED, pm8001_ha->name,
+ SHOST_TO_SAS_HA(pm8001_ha->shost));
+}
+
+/**
+ * pm8001_pci_probe - probe supported device
+ * @pdev: pci device which kernel has been prepared for.
+ * @ent: pci device id
+ *
+ * This function is the main initialization function, when register a new
+ * pci driver it is invoked, all struct and hardware initialization should be
+ * done here, also, register interrupt.
+ */
+static int pm8001_pci_probe(struct pci_dev *pdev,
+ const struct pci_device_id *ent)
+{
+ unsigned int rc;
+ u32 pci_reg;
+ u8 i = 0;
+ struct pm8001_hba_info *pm8001_ha;
+ struct Scsi_Host *shost = NULL;
+ const struct pm8001_chip_info *chip;
+ struct sas_ha_struct *sha;
+
+ dev_printk(KERN_INFO, &pdev->dev,
+ "pm80xx: driver version %s\n", DRV_VERSION);
+ rc = pci_enable_device(pdev);
+ if (rc)
+ goto err_out_enable;
+ pci_set_master(pdev);
+ /*
+ * Enable pci slot busmaster by setting pci command register.
+ * This is required by FW for Cyclone card.
+ */
+
+ pci_read_config_dword(pdev, PCI_COMMAND, &pci_reg);
+ pci_reg |= 0x157;
+ pci_write_config_dword(pdev, PCI_COMMAND, pci_reg);
+ rc = pci_request_regions(pdev, DRV_NAME);
+ if (rc)
+ goto err_out_disable;
+ rc = pci_go_44(pdev);
+ if (rc)
+ goto err_out_regions;
+
+ shost = scsi_host_alloc(&pm8001_sht, sizeof(void *));
+ if (!shost) {
+ rc = -ENOMEM;
+ goto err_out_regions;
+ }
+ chip = &pm8001_chips[ent->driver_data];
+ sha = kzalloc(sizeof(struct sas_ha_struct), GFP_KERNEL);
+ if (!sha) {
+ rc = -ENOMEM;
+ goto err_out_free_host;
+ }
+ SHOST_TO_SAS_HA(shost) = sha;
+
+ rc = pm8001_prep_sas_ha_init(shost, chip);
+ if (rc) {
+ rc = -ENOMEM;
+ goto err_out_free;
+ }
+ pci_set_drvdata(pdev, SHOST_TO_SAS_HA(shost));
+ /* ent->driver variable is used to differentiate between controllers */
+ pm8001_ha = pm8001_pci_alloc(pdev, ent, shost);
+ if (!pm8001_ha) {
+ rc = -ENOMEM;
+ goto err_out_free;
+ }
+
+ PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha);
+ rc = PM8001_CHIP_DISP->chip_init(pm8001_ha);
+ if (rc) {
+ pm8001_dbg(pm8001_ha, FAIL,
+ "chip_init failed [ret: %d]\n", rc);
+ goto err_out_ha_free;
+ }
+
+ rc = pm8001_init_ccb_tag(pm8001_ha);
+ if (rc)
+ goto err_out_enable;
+
+
+ PM8001_CHIP_DISP->chip_post_init(pm8001_ha);
+
+ if (pm8001_ha->number_of_intr > 1) {
+ shost->nr_hw_queues = pm8001_ha->number_of_intr - 1;
+ /*
+ * For now, ensure we're not sent too many commands by setting
+ * host_tagset. This is also required if we start using request
+ * tag.
+ */
+ shost->host_tagset = 1;
+ }
+
+ rc = scsi_add_host(shost, &pdev->dev);
+ if (rc)
+ goto err_out_ha_free;
+
+ PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, 0);
+ if (pm8001_ha->chip_id != chip_8001) {
+ for (i = 1; i < pm8001_ha->number_of_intr; i++)
+ PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, i);
+ /* setup thermal configuration. */
+ pm80xx_set_thermal_config(pm8001_ha);
+ }
+
+ rc = pm8001_init_sas_add(pm8001_ha);
+ if (rc)
+ goto err_out_shost;
+ /* phy setting support for motherboard controller */
+ rc = pm8001_configure_phy_settings(pm8001_ha);
+ if (rc)
+ goto err_out_shost;
+
+ pm8001_post_sas_ha_init(shost, chip);
+ rc = sas_register_ha(SHOST_TO_SAS_HA(shost));
+ if (rc) {
+ pm8001_dbg(pm8001_ha, FAIL,
+ "sas_register_ha failed [ret: %d]\n", rc);
+ goto err_out_shost;
+ }
+ list_add_tail(&pm8001_ha->list, &hba_list);
+ pm8001_ha->flags = PM8001F_RUN_TIME;
+ scsi_scan_host(pm8001_ha->shost);
+ return 0;
+
+err_out_shost:
+ scsi_remove_host(pm8001_ha->shost);
+err_out_ha_free:
+ pm8001_free(pm8001_ha);
+err_out_free:
+ kfree(sha);
+err_out_free_host:
+ scsi_host_put(shost);
+err_out_regions:
+ pci_release_regions(pdev);
+err_out_disable:
+ pci_disable_device(pdev);
+err_out_enable:
+ return rc;
+}
+
+/**
+ * pm8001_init_ccb_tag - allocate memory to CCB and tag.
+ * @pm8001_ha: our hba card information.
+ */
+static int pm8001_init_ccb_tag(struct pm8001_hba_info *pm8001_ha)
+{
+ struct Scsi_Host *shost = pm8001_ha->shost;
+ struct device *dev = pm8001_ha->dev;
+ u32 max_out_io, ccb_count;
+ int i;
+
+ max_out_io = pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_out_io;
+ ccb_count = min_t(int, PM8001_MAX_CCB, max_out_io);
+
+ shost->can_queue = ccb_count - PM8001_RESERVE_SLOT;
+
+ pm8001_ha->rsvd_tags = bitmap_zalloc(PM8001_RESERVE_SLOT, GFP_KERNEL);
+ if (!pm8001_ha->rsvd_tags)
+ goto err_out;
+
+ /* Memory region for ccb_info*/
+ pm8001_ha->ccb_count = ccb_count;
+ pm8001_ha->ccb_info =
+ kcalloc(ccb_count, sizeof(struct pm8001_ccb_info), GFP_KERNEL);
+ if (!pm8001_ha->ccb_info) {
+ pm8001_dbg(pm8001_ha, FAIL,
+ "Unable to allocate memory for ccb\n");
+ goto err_out_noccb;
+ }
+ for (i = 0; i < ccb_count; i++) {
+ pm8001_ha->ccb_info[i].buf_prd = dma_alloc_coherent(dev,
+ sizeof(struct pm8001_prd) * PM8001_MAX_DMA_SG,
+ &pm8001_ha->ccb_info[i].ccb_dma_handle,
+ GFP_KERNEL);
+ if (!pm8001_ha->ccb_info[i].buf_prd) {
+ pm8001_dbg(pm8001_ha, FAIL,
+ "ccb prd memory allocation error\n");
+ goto err_out;
+ }
+ pm8001_ha->ccb_info[i].task = NULL;
+ pm8001_ha->ccb_info[i].ccb_tag = PM8001_INVALID_TAG;
+ pm8001_ha->ccb_info[i].device = NULL;
+ }
+
+ return 0;
+
+err_out_noccb:
+ kfree(pm8001_ha->devices);
+err_out:
+ return -ENOMEM;
+}
+
+static void pm8001_pci_remove(struct pci_dev *pdev)
+{
+ struct sas_ha_struct *sha = pci_get_drvdata(pdev);
+ struct pm8001_hba_info *pm8001_ha;
+ int i, j;
+ pm8001_ha = sha->lldd_ha;
+ sas_unregister_ha(sha);
+ sas_remove_host(pm8001_ha->shost);
+ list_del(&pm8001_ha->list);
+ PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF);
+ PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha);
+
+#ifdef PM8001_USE_MSIX
+ for (i = 0; i < pm8001_ha->number_of_intr; i++)
+ synchronize_irq(pci_irq_vector(pdev, i));
+ for (i = 0; i < pm8001_ha->number_of_intr; i++)
+ free_irq(pci_irq_vector(pdev, i), &pm8001_ha->irq_vector[i]);
+ pci_free_irq_vectors(pdev);
+#else
+ free_irq(pm8001_ha->irq, sha);
+#endif
+#ifdef PM8001_USE_TASKLET
+ /* For non-msix and msix interrupts */
+ if ((!pdev->msix_cap || !pci_msi_enabled()) ||
+ (pm8001_ha->chip_id == chip_8001))
+ tasklet_kill(&pm8001_ha->tasklet[0]);
+ else
+ for (j = 0; j < PM8001_MAX_MSIX_VEC; j++)
+ tasklet_kill(&pm8001_ha->tasklet[j]);
+#endif
+ scsi_host_put(pm8001_ha->shost);
+
+ for (i = 0; i < pm8001_ha->ccb_count; i++) {
+ dma_free_coherent(&pm8001_ha->pdev->dev,
+ sizeof(struct pm8001_prd) * PM8001_MAX_DMA_SG,
+ pm8001_ha->ccb_info[i].buf_prd,
+ pm8001_ha->ccb_info[i].ccb_dma_handle);
+ }
+ kfree(pm8001_ha->ccb_info);
+ kfree(pm8001_ha->devices);
+
+ pm8001_free(pm8001_ha);
+ kfree(sha->sas_phy);
+ kfree(sha->sas_port);
+ kfree(sha);
+ pci_release_regions(pdev);
+ pci_disable_device(pdev);
+}
+
+/**
+ * pm8001_pci_suspend - power management suspend main entry point
+ * @dev: Device struct
+ *
+ * Return: 0 on success, anything else on error.
+ */
+static int __maybe_unused pm8001_pci_suspend(struct device *dev)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ struct sas_ha_struct *sha = pci_get_drvdata(pdev);
+ struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
+ int i, j;
+ sas_suspend_ha(sha);
+ flush_workqueue(pm8001_wq);
+ scsi_block_requests(pm8001_ha->shost);
+ if (!pdev->pm_cap) {
+ dev_err(dev, " PCI PM not supported\n");
+ return -ENODEV;
+ }
+ PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF);
+ PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha);
+#ifdef PM8001_USE_MSIX
+ for (i = 0; i < pm8001_ha->number_of_intr; i++)
+ synchronize_irq(pci_irq_vector(pdev, i));
+ for (i = 0; i < pm8001_ha->number_of_intr; i++)
+ free_irq(pci_irq_vector(pdev, i), &pm8001_ha->irq_vector[i]);
+ pci_free_irq_vectors(pdev);
+#else
+ free_irq(pm8001_ha->irq, sha);
+#endif
+#ifdef PM8001_USE_TASKLET
+ /* For non-msix and msix interrupts */
+ if ((!pdev->msix_cap || !pci_msi_enabled()) ||
+ (pm8001_ha->chip_id == chip_8001))
+ tasklet_kill(&pm8001_ha->tasklet[0]);
+ else
+ for (j = 0; j < PM8001_MAX_MSIX_VEC; j++)
+ tasklet_kill(&pm8001_ha->tasklet[j]);
+#endif
+ pm8001_info(pm8001_ha, "pdev=0x%p, slot=%s, entering "
+ "suspended state\n", pdev,
+ pm8001_ha->name);
+ return 0;
+}
+
+/**
+ * pm8001_pci_resume - power management resume main entry point
+ * @dev: Device struct
+ *
+ * Return: 0 on success, anything else on error.
+ */
+static int __maybe_unused pm8001_pci_resume(struct device *dev)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ struct sas_ha_struct *sha = pci_get_drvdata(pdev);
+ struct pm8001_hba_info *pm8001_ha;
+ int rc;
+ u8 i = 0, j;
+ DECLARE_COMPLETION_ONSTACK(completion);
+
+ pm8001_ha = sha->lldd_ha;
+
+ pm8001_info(pm8001_ha,
+ "pdev=0x%p, slot=%s, resuming from previous operating state [D%d]\n",
+ pdev, pm8001_ha->name, pdev->current_state);
+
+ rc = pci_go_44(pdev);
+ if (rc)
+ goto err_out_disable;
+ sas_prep_resume_ha(sha);
+ /* chip soft rst only for spc */
+ if (pm8001_ha->chip_id == chip_8001) {
+ PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha);
+ pm8001_dbg(pm8001_ha, INIT, "chip soft reset successful\n");
+ }
+ rc = PM8001_CHIP_DISP->chip_init(pm8001_ha);
+ if (rc)
+ goto err_out_disable;
+
+ /* disable all the interrupt bits */
+ PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF);
+
+ rc = pm8001_request_irq(pm8001_ha);
+ if (rc)
+ goto err_out_disable;
+#ifdef PM8001_USE_TASKLET
+ /* Tasklet for non msi-x interrupt handler */
+ if ((!pdev->msix_cap || !pci_msi_enabled()) ||
+ (pm8001_ha->chip_id == chip_8001))
+ tasklet_init(&pm8001_ha->tasklet[0], pm8001_tasklet,
+ (unsigned long)&(pm8001_ha->irq_vector[0]));
+ else
+ for (j = 0; j < PM8001_MAX_MSIX_VEC; j++)
+ tasklet_init(&pm8001_ha->tasklet[j], pm8001_tasklet,
+ (unsigned long)&(pm8001_ha->irq_vector[j]));
+#endif
+ PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, 0);
+ if (pm8001_ha->chip_id != chip_8001) {
+ for (i = 1; i < pm8001_ha->number_of_intr; i++)
+ PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, i);
+ }
+
+ /* Chip documentation for the 8070 and 8072 SPCv */
+ /* states that a 500ms minimum delay is required */
+ /* before issuing commands. Otherwise, the firmware */
+ /* will enter an unrecoverable state. */
+
+ if (pm8001_ha->chip_id == chip_8070 ||
+ pm8001_ha->chip_id == chip_8072) {
+ mdelay(500);
+ }
+
+ /* Spin up the PHYs */
+
+ pm8001_ha->flags = PM8001F_RUN_TIME;
+ for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
+ pm8001_ha->phy[i].enable_completion = &completion;
+ PM8001_CHIP_DISP->phy_start_req(pm8001_ha, i);
+ wait_for_completion(&completion);
+ }
+ sas_resume_ha(sha);
+ return 0;
+
+err_out_disable:
+ scsi_remove_host(pm8001_ha->shost);
+
+ return rc;
+}
+
+/* update of pci device, vendor id and driver data with
+ * unique value for each of the controller
+ */
+static struct pci_device_id pm8001_pci_table[] = {
+ { PCI_VDEVICE(PMC_Sierra, 0x8001), chip_8001 },
+ { PCI_VDEVICE(PMC_Sierra, 0x8006), chip_8006 },
+ { PCI_VDEVICE(ADAPTEC2, 0x8006), chip_8006 },
+ { PCI_VDEVICE(ATTO, 0x0042), chip_8001 },
+ /* Support for SPC/SPCv/SPCve controllers */
+ { PCI_VDEVICE(ADAPTEC2, 0x8001), chip_8001 },
+ { PCI_VDEVICE(PMC_Sierra, 0x8008), chip_8008 },
+ { PCI_VDEVICE(ADAPTEC2, 0x8008), chip_8008 },
+ { PCI_VDEVICE(PMC_Sierra, 0x8018), chip_8018 },
+ { PCI_VDEVICE(ADAPTEC2, 0x8018), chip_8018 },
+ { PCI_VDEVICE(PMC_Sierra, 0x8009), chip_8009 },
+ { PCI_VDEVICE(ADAPTEC2, 0x8009), chip_8009 },
+ { PCI_VDEVICE(PMC_Sierra, 0x8019), chip_8019 },
+ { PCI_VDEVICE(ADAPTEC2, 0x8019), chip_8019 },
+ { PCI_VDEVICE(PMC_Sierra, 0x8074), chip_8074 },
+ { PCI_VDEVICE(ADAPTEC2, 0x8074), chip_8074 },
+ { PCI_VDEVICE(PMC_Sierra, 0x8076), chip_8076 },
+ { PCI_VDEVICE(ADAPTEC2, 0x8076), chip_8076 },
+ { PCI_VDEVICE(PMC_Sierra, 0x8077), chip_8077 },
+ { PCI_VDEVICE(ADAPTEC2, 0x8077), chip_8077 },
+ { PCI_VENDOR_ID_ADAPTEC2, 0x8081,
+ PCI_VENDOR_ID_ADAPTEC2, 0x0400, 0, 0, chip_8001 },
+ { PCI_VENDOR_ID_ADAPTEC2, 0x8081,
+ PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8001 },
+ { PCI_VENDOR_ID_ADAPTEC2, 0x8088,
+ PCI_VENDOR_ID_ADAPTEC2, 0x0008, 0, 0, chip_8008 },
+ { PCI_VENDOR_ID_ADAPTEC2, 0x8088,
+ PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8008 },
+ { PCI_VENDOR_ID_ADAPTEC2, 0x8089,
+ PCI_VENDOR_ID_ADAPTEC2, 0x0008, 0, 0, chip_8009 },
+ { PCI_VENDOR_ID_ADAPTEC2, 0x8089,
+ PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8009 },
+ { PCI_VENDOR_ID_ADAPTEC2, 0x8088,
+ PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8018 },
+ { PCI_VENDOR_ID_ADAPTEC2, 0x8088,
+ PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8018 },
+ { PCI_VENDOR_ID_ADAPTEC2, 0x8089,
+ PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8019 },
+ { PCI_VENDOR_ID_ADAPTEC2, 0x8089,
+ PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8019 },
+ { PCI_VENDOR_ID_ADAPTEC2, 0x8074,
+ PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8074 },
+ { PCI_VENDOR_ID_ADAPTEC2, 0x8076,
+ PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8076 },
+ { PCI_VENDOR_ID_ADAPTEC2, 0x8077,
+ PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8077 },
+ { PCI_VENDOR_ID_ADAPTEC2, 0x8074,
+ PCI_VENDOR_ID_ADAPTEC2, 0x0008, 0, 0, chip_8074 },
+ { PCI_VENDOR_ID_ADAPTEC2, 0x8076,
+ PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8076 },
+ { PCI_VENDOR_ID_ADAPTEC2, 0x8077,
+ PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8077 },
+ { PCI_VENDOR_ID_ADAPTEC2, 0x8076,
+ PCI_VENDOR_ID_ADAPTEC2, 0x0808, 0, 0, chip_8076 },
+ { PCI_VENDOR_ID_ADAPTEC2, 0x8077,
+ PCI_VENDOR_ID_ADAPTEC2, 0x0808, 0, 0, chip_8077 },
+ { PCI_VENDOR_ID_ADAPTEC2, 0x8074,
+ PCI_VENDOR_ID_ADAPTEC2, 0x0404, 0, 0, chip_8074 },
+ { PCI_VENDOR_ID_ATTO, 0x8070,
+ PCI_VENDOR_ID_ATTO, 0x0070, 0, 0, chip_8070 },
+ { PCI_VENDOR_ID_ATTO, 0x8070,
+ PCI_VENDOR_ID_ATTO, 0x0071, 0, 0, chip_8070 },
+ { PCI_VENDOR_ID_ATTO, 0x8072,
+ PCI_VENDOR_ID_ATTO, 0x0072, 0, 0, chip_8072 },
+ { PCI_VENDOR_ID_ATTO, 0x8072,
+ PCI_VENDOR_ID_ATTO, 0x0073, 0, 0, chip_8072 },
+ { PCI_VENDOR_ID_ATTO, 0x8070,
+ PCI_VENDOR_ID_ATTO, 0x0080, 0, 0, chip_8070 },
+ { PCI_VENDOR_ID_ATTO, 0x8072,
+ PCI_VENDOR_ID_ATTO, 0x0081, 0, 0, chip_8072 },
+ { PCI_VENDOR_ID_ATTO, 0x8072,
+ PCI_VENDOR_ID_ATTO, 0x0082, 0, 0, chip_8072 },
+ {} /* terminate list */
+};
+
+static SIMPLE_DEV_PM_OPS(pm8001_pci_pm_ops,
+ pm8001_pci_suspend,
+ pm8001_pci_resume);
+
+static struct pci_driver pm8001_pci_driver = {
+ .name = DRV_NAME,
+ .id_table = pm8001_pci_table,
+ .probe = pm8001_pci_probe,
+ .remove = pm8001_pci_remove,
+ .driver.pm = &pm8001_pci_pm_ops,
+};
+
+/**
+ * pm8001_init - initialize scsi transport template
+ */
+static int __init pm8001_init(void)
+{
+ int rc = -ENOMEM;
+
+ pm8001_wq = alloc_workqueue("pm80xx", 0, 0);
+ if (!pm8001_wq)
+ goto err;
+
+ pm8001_id = 0;
+ pm8001_stt = sas_domain_attach_transport(&pm8001_transport_ops);
+ if (!pm8001_stt)
+ goto err_wq;
+ rc = pci_register_driver(&pm8001_pci_driver);
+ if (rc)
+ goto err_tp;
+ return 0;
+
+err_tp:
+ sas_release_transport(pm8001_stt);
+err_wq:
+ destroy_workqueue(pm8001_wq);
+err:
+ return rc;
+}
+
+static void __exit pm8001_exit(void)
+{
+ pci_unregister_driver(&pm8001_pci_driver);
+ sas_release_transport(pm8001_stt);
+ destroy_workqueue(pm8001_wq);
+}
+
+module_init(pm8001_init);
+module_exit(pm8001_exit);
+
+MODULE_AUTHOR("Jack Wang <jack_wang@usish.com>");
+MODULE_AUTHOR("Anand Kumar Santhanam <AnandKumar.Santhanam@pmcs.com>");
+MODULE_AUTHOR("Sangeetha Gnanasekaran <Sangeetha.Gnanasekaran@pmcs.com>");
+MODULE_AUTHOR("Nikith Ganigarakoppal <Nikith.Ganigarakoppal@pmcs.com>");
+MODULE_DESCRIPTION(
+ "PMC-Sierra PM8001/8006/8081/8088/8089/8074/8076/8077/8070/8072 "
+ "SAS/SATA controller driver");
+MODULE_VERSION(DRV_VERSION);
+MODULE_LICENSE("GPL");
+MODULE_DEVICE_TABLE(pci, pm8001_pci_table);
+