2 * PMC-Sierra PM8001/8081/8088/8089 SAS/SATA based host adapters driver
4 * Copyright (c) 2008-2009 USI Co., Ltd.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions, and the following disclaimer,
12 * without modification.
13 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
14 * substantially similar to the "NO WARRANTY" disclaimer below
15 * ("Disclaimer") and any redistribution must be conditioned upon
16 * including a substantially similar Disclaimer requirement for further
17 * binary redistribution.
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19 * of any contributors may be used to endorse or promote products derived
20 * from this software without specific prior written permission.
22 * Alternatively, this software may be distributed under the terms of the
23 * GNU General Public License ("GPL") version 2 as published by the Free
24 * Software Foundation.
27 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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29 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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37 * POSSIBILITY OF SUCH DAMAGES.
41 #include <linux/slab.h>
42 #include "pm8001_sas.h"
43 #include "pm8001_chips.h"
45 static struct scsi_transport_template *pm8001_stt;
48 * chip info structure to identify chip key functionality as
49 * encryption available/not, no of ports, hw specific function ref
51 static const struct pm8001_chip_info pm8001_chips[] = {
52 [chip_8001] = {0, 8, &pm8001_8001_dispatch,},
53 [chip_8008] = {0, 8, &pm8001_80xx_dispatch,},
54 [chip_8009] = {1, 8, &pm8001_80xx_dispatch,},
55 [chip_8018] = {0, 16, &pm8001_80xx_dispatch,},
56 [chip_8019] = {1, 16, &pm8001_80xx_dispatch,},
57 [chip_8074] = {0, 8, &pm8001_80xx_dispatch,},
58 [chip_8076] = {0, 16, &pm8001_80xx_dispatch,},
59 [chip_8077] = {0, 16, &pm8001_80xx_dispatch,},
60 [chip_8006] = {0, 16, &pm8001_80xx_dispatch,},
61 [chip_8070] = {0, 8, &pm8001_80xx_dispatch,},
62 [chip_8072] = {0, 16, &pm8001_80xx_dispatch,},
68 struct workqueue_struct *pm8001_wq;
71 * The main structure which LLDD must register for scsi core.
73 static struct scsi_host_template pm8001_sht = {
74 .module = THIS_MODULE,
76 .queuecommand = sas_queuecommand,
77 .target_alloc = sas_target_alloc,
78 .slave_configure = sas_slave_configure,
79 .scan_finished = pm8001_scan_finished,
80 .scan_start = pm8001_scan_start,
81 .change_queue_depth = sas_change_queue_depth,
82 .bios_param = sas_bios_param,
85 .sg_tablesize = SG_ALL,
86 .max_sectors = SCSI_DEFAULT_MAX_SECTORS,
87 .use_clustering = ENABLE_CLUSTERING,
88 .eh_device_reset_handler = sas_eh_device_reset_handler,
89 .eh_bus_reset_handler = sas_eh_bus_reset_handler,
90 .target_destroy = sas_target_destroy,
92 .shost_attrs = pm8001_host_attrs,
94 .track_queue_depth = 1,
98 * Sas layer call this function to execute specific task.
100 static struct sas_domain_function_template pm8001_transport_ops = {
101 .lldd_dev_found = pm8001_dev_found,
102 .lldd_dev_gone = pm8001_dev_gone,
104 .lldd_execute_task = pm8001_queue_command,
105 .lldd_control_phy = pm8001_phy_control,
107 .lldd_abort_task = pm8001_abort_task,
108 .lldd_abort_task_set = pm8001_abort_task_set,
109 .lldd_clear_aca = pm8001_clear_aca,
110 .lldd_clear_task_set = pm8001_clear_task_set,
111 .lldd_I_T_nexus_reset = pm8001_I_T_nexus_reset,
112 .lldd_lu_reset = pm8001_lu_reset,
113 .lldd_query_task = pm8001_query_task,
117 *pm8001_phy_init - initiate our adapter phys
118 *@pm8001_ha: our hba structure.
121 static void pm8001_phy_init(struct pm8001_hba_info *pm8001_ha, int phy_id)
123 struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
124 struct asd_sas_phy *sas_phy = &phy->sas_phy;
126 phy->pm8001_ha = pm8001_ha;
127 sas_phy->enabled = (phy_id < pm8001_ha->chip->n_phy) ? 1 : 0;
128 sas_phy->class = SAS;
129 sas_phy->iproto = SAS_PROTOCOL_ALL;
131 sas_phy->type = PHY_TYPE_PHYSICAL;
132 sas_phy->role = PHY_ROLE_INITIATOR;
133 sas_phy->oob_mode = OOB_NOT_CONNECTED;
134 sas_phy->linkrate = SAS_LINK_RATE_UNKNOWN;
135 sas_phy->id = phy_id;
136 sas_phy->sas_addr = &pm8001_ha->sas_addr[0];
137 sas_phy->frame_rcvd = &phy->frame_rcvd[0];
138 sas_phy->ha = (struct sas_ha_struct *)pm8001_ha->shost->hostdata;
139 sas_phy->lldd_phy = phy;
143 *pm8001_free - free hba
144 *@pm8001_ha: our hba structure.
147 static void pm8001_free(struct pm8001_hba_info *pm8001_ha)
154 for (i = 0; i < USI_MAX_MEMCNT; i++) {
155 if (pm8001_ha->memoryMap.region[i].virt_ptr != NULL) {
156 pci_free_consistent(pm8001_ha->pdev,
157 (pm8001_ha->memoryMap.region[i].total_len +
158 pm8001_ha->memoryMap.region[i].alignment),
159 pm8001_ha->memoryMap.region[i].virt_ptr,
160 pm8001_ha->memoryMap.region[i].phys_addr);
163 PM8001_CHIP_DISP->chip_iounmap(pm8001_ha);
164 if (pm8001_ha->shost)
165 scsi_host_put(pm8001_ha->shost);
166 flush_workqueue(pm8001_wq);
167 kfree(pm8001_ha->tags);
171 #ifdef PM8001_USE_TASKLET
174 * tasklet for 64 msi-x interrupt handler
175 * @opaque: the passed general host adapter struct
176 * Note: pm8001_tasklet is common for pm8001 & pm80xx
178 static void pm8001_tasklet(unsigned long opaque)
180 struct pm8001_hba_info *pm8001_ha;
181 struct isr_param *irq_vector;
183 irq_vector = (struct isr_param *)opaque;
184 pm8001_ha = irq_vector->drv_inst;
185 if (unlikely(!pm8001_ha))
187 PM8001_CHIP_DISP->isr(pm8001_ha, irq_vector->irq_id);
192 * pm8001_interrupt_handler_msix - main MSIX interrupt handler.
193 * It obtains the vector number and calls the equivalent bottom
194 * half or services directly.
195 * @opaque: the passed outbound queue/vector. Host structure is
196 * retrieved from the same.
198 static irqreturn_t pm8001_interrupt_handler_msix(int irq, void *opaque)
200 struct isr_param *irq_vector;
201 struct pm8001_hba_info *pm8001_ha;
202 irqreturn_t ret = IRQ_HANDLED;
203 irq_vector = (struct isr_param *)opaque;
204 pm8001_ha = irq_vector->drv_inst;
206 if (unlikely(!pm8001_ha))
208 if (!PM8001_CHIP_DISP->is_our_interupt(pm8001_ha))
210 #ifdef PM8001_USE_TASKLET
211 tasklet_schedule(&pm8001_ha->tasklet[irq_vector->irq_id]);
213 ret = PM8001_CHIP_DISP->isr(pm8001_ha, irq_vector->irq_id);
219 * pm8001_interrupt_handler_intx - main INTx interrupt handler.
220 * @dev_id: sas_ha structure. The HBA is retrieved from sas_has structure.
223 static irqreturn_t pm8001_interrupt_handler_intx(int irq, void *dev_id)
225 struct pm8001_hba_info *pm8001_ha;
226 irqreturn_t ret = IRQ_HANDLED;
227 struct sas_ha_struct *sha = dev_id;
228 pm8001_ha = sha->lldd_ha;
229 if (unlikely(!pm8001_ha))
231 if (!PM8001_CHIP_DISP->is_our_interupt(pm8001_ha))
234 #ifdef PM8001_USE_TASKLET
235 tasklet_schedule(&pm8001_ha->tasklet[0]);
237 ret = PM8001_CHIP_DISP->isr(pm8001_ha, 0);
243 * pm8001_alloc - initiate our hba structure and 6 DMAs area.
244 * @pm8001_ha:our hba structure.
247 static int pm8001_alloc(struct pm8001_hba_info *pm8001_ha,
248 const struct pci_device_id *ent)
251 spin_lock_init(&pm8001_ha->lock);
252 spin_lock_init(&pm8001_ha->bitmap_lock);
253 PM8001_INIT_DBG(pm8001_ha,
254 pm8001_printk("pm8001_alloc: PHY:%x\n",
255 pm8001_ha->chip->n_phy));
256 for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
257 pm8001_phy_init(pm8001_ha, i);
258 pm8001_ha->port[i].wide_port_phymap = 0;
259 pm8001_ha->port[i].port_attached = 0;
260 pm8001_ha->port[i].port_state = 0;
261 INIT_LIST_HEAD(&pm8001_ha->port[i].list);
264 pm8001_ha->tags = kzalloc(PM8001_MAX_CCB, GFP_KERNEL);
265 if (!pm8001_ha->tags)
267 /* MPI Memory region 1 for AAP Event Log for fw */
268 pm8001_ha->memoryMap.region[AAP1].num_elements = 1;
269 pm8001_ha->memoryMap.region[AAP1].element_size = PM8001_EVENT_LOG_SIZE;
270 pm8001_ha->memoryMap.region[AAP1].total_len = PM8001_EVENT_LOG_SIZE;
271 pm8001_ha->memoryMap.region[AAP1].alignment = 32;
273 /* MPI Memory region 2 for IOP Event Log for fw */
274 pm8001_ha->memoryMap.region[IOP].num_elements = 1;
275 pm8001_ha->memoryMap.region[IOP].element_size = PM8001_EVENT_LOG_SIZE;
276 pm8001_ha->memoryMap.region[IOP].total_len = PM8001_EVENT_LOG_SIZE;
277 pm8001_ha->memoryMap.region[IOP].alignment = 32;
279 for (i = 0; i < PM8001_MAX_SPCV_INB_NUM; i++) {
280 /* MPI Memory region 3 for consumer Index of inbound queues */
281 pm8001_ha->memoryMap.region[CI+i].num_elements = 1;
282 pm8001_ha->memoryMap.region[CI+i].element_size = 4;
283 pm8001_ha->memoryMap.region[CI+i].total_len = 4;
284 pm8001_ha->memoryMap.region[CI+i].alignment = 4;
286 if ((ent->driver_data) != chip_8001) {
287 /* MPI Memory region 5 inbound queues */
288 pm8001_ha->memoryMap.region[IB+i].num_elements =
290 pm8001_ha->memoryMap.region[IB+i].element_size = 128;
291 pm8001_ha->memoryMap.region[IB+i].total_len =
292 PM8001_MPI_QUEUE * 128;
293 pm8001_ha->memoryMap.region[IB+i].alignment = 128;
295 pm8001_ha->memoryMap.region[IB+i].num_elements =
297 pm8001_ha->memoryMap.region[IB+i].element_size = 64;
298 pm8001_ha->memoryMap.region[IB+i].total_len =
299 PM8001_MPI_QUEUE * 64;
300 pm8001_ha->memoryMap.region[IB+i].alignment = 64;
304 for (i = 0; i < PM8001_MAX_SPCV_OUTB_NUM; i++) {
305 /* MPI Memory region 4 for producer Index of outbound queues */
306 pm8001_ha->memoryMap.region[PI+i].num_elements = 1;
307 pm8001_ha->memoryMap.region[PI+i].element_size = 4;
308 pm8001_ha->memoryMap.region[PI+i].total_len = 4;
309 pm8001_ha->memoryMap.region[PI+i].alignment = 4;
311 if (ent->driver_data != chip_8001) {
312 /* MPI Memory region 6 Outbound queues */
313 pm8001_ha->memoryMap.region[OB+i].num_elements =
315 pm8001_ha->memoryMap.region[OB+i].element_size = 128;
316 pm8001_ha->memoryMap.region[OB+i].total_len =
317 PM8001_MPI_QUEUE * 128;
318 pm8001_ha->memoryMap.region[OB+i].alignment = 128;
320 /* MPI Memory region 6 Outbound queues */
321 pm8001_ha->memoryMap.region[OB+i].num_elements =
323 pm8001_ha->memoryMap.region[OB+i].element_size = 64;
324 pm8001_ha->memoryMap.region[OB+i].total_len =
325 PM8001_MPI_QUEUE * 64;
326 pm8001_ha->memoryMap.region[OB+i].alignment = 64;
330 /* Memory region write DMA*/
331 pm8001_ha->memoryMap.region[NVMD].num_elements = 1;
332 pm8001_ha->memoryMap.region[NVMD].element_size = 4096;
333 pm8001_ha->memoryMap.region[NVMD].total_len = 4096;
334 /* Memory region for devices*/
335 pm8001_ha->memoryMap.region[DEV_MEM].num_elements = 1;
336 pm8001_ha->memoryMap.region[DEV_MEM].element_size = PM8001_MAX_DEVICES *
337 sizeof(struct pm8001_device);
338 pm8001_ha->memoryMap.region[DEV_MEM].total_len = PM8001_MAX_DEVICES *
339 sizeof(struct pm8001_device);
341 /* Memory region for ccb_info*/
342 pm8001_ha->memoryMap.region[CCB_MEM].num_elements = 1;
343 pm8001_ha->memoryMap.region[CCB_MEM].element_size = PM8001_MAX_CCB *
344 sizeof(struct pm8001_ccb_info);
345 pm8001_ha->memoryMap.region[CCB_MEM].total_len = PM8001_MAX_CCB *
346 sizeof(struct pm8001_ccb_info);
348 /* Memory region for fw flash */
349 pm8001_ha->memoryMap.region[FW_FLASH].total_len = 4096;
351 pm8001_ha->memoryMap.region[FORENSIC_MEM].num_elements = 1;
352 pm8001_ha->memoryMap.region[FORENSIC_MEM].total_len = 0x10000;
353 pm8001_ha->memoryMap.region[FORENSIC_MEM].element_size = 0x10000;
354 pm8001_ha->memoryMap.region[FORENSIC_MEM].alignment = 0x10000;
355 for (i = 0; i < USI_MAX_MEMCNT; i++) {
356 if (pm8001_mem_alloc(pm8001_ha->pdev,
357 &pm8001_ha->memoryMap.region[i].virt_ptr,
358 &pm8001_ha->memoryMap.region[i].phys_addr,
359 &pm8001_ha->memoryMap.region[i].phys_addr_hi,
360 &pm8001_ha->memoryMap.region[i].phys_addr_lo,
361 pm8001_ha->memoryMap.region[i].total_len,
362 pm8001_ha->memoryMap.region[i].alignment) != 0) {
363 PM8001_FAIL_DBG(pm8001_ha,
364 pm8001_printk("Mem%d alloc failed\n",
370 pm8001_ha->devices = pm8001_ha->memoryMap.region[DEV_MEM].virt_ptr;
371 for (i = 0; i < PM8001_MAX_DEVICES; i++) {
372 pm8001_ha->devices[i].dev_type = SAS_PHY_UNUSED;
373 pm8001_ha->devices[i].id = i;
374 pm8001_ha->devices[i].device_id = PM8001_MAX_DEVICES;
375 pm8001_ha->devices[i].running_req = 0;
377 pm8001_ha->ccb_info = pm8001_ha->memoryMap.region[CCB_MEM].virt_ptr;
378 for (i = 0; i < PM8001_MAX_CCB; i++) {
379 pm8001_ha->ccb_info[i].ccb_dma_handle =
380 pm8001_ha->memoryMap.region[CCB_MEM].phys_addr +
381 i * sizeof(struct pm8001_ccb_info);
382 pm8001_ha->ccb_info[i].task = NULL;
383 pm8001_ha->ccb_info[i].ccb_tag = 0xffffffff;
384 pm8001_ha->ccb_info[i].device = NULL;
385 ++pm8001_ha->tags_num;
387 pm8001_ha->flags = PM8001F_INIT_TIME;
388 /* Initialize tags */
389 pm8001_tag_init(pm8001_ha);
396 * pm8001_ioremap - remap the pci high physical address to kernal virtual
397 * address so that we can access them.
398 * @pm8001_ha:our hba structure.
400 static int pm8001_ioremap(struct pm8001_hba_info *pm8001_ha)
404 struct pci_dev *pdev;
406 pdev = pm8001_ha->pdev;
407 /* map pci mem (PMC pci base 0-3)*/
408 for (bar = 0; bar < 6; bar++) {
410 ** logical BARs for SPC:
411 ** bar 0 and 1 - logical BAR0
412 ** bar 2 and 3 - logical BAR1
413 ** bar4 - logical BAR2
414 ** bar5 - logical BAR3
415 ** Skip the appropriate assignments:
417 if ((bar == 1) || (bar == 3))
419 if (pci_resource_flags(pdev, bar) & IORESOURCE_MEM) {
420 pm8001_ha->io_mem[logicalBar].membase =
421 pci_resource_start(pdev, bar);
422 pm8001_ha->io_mem[logicalBar].membase &=
423 (u32)PCI_BASE_ADDRESS_MEM_MASK;
424 pm8001_ha->io_mem[logicalBar].memsize =
425 pci_resource_len(pdev, bar);
426 pm8001_ha->io_mem[logicalBar].memvirtaddr =
427 ioremap(pm8001_ha->io_mem[logicalBar].membase,
428 pm8001_ha->io_mem[logicalBar].memsize);
429 PM8001_INIT_DBG(pm8001_ha,
430 pm8001_printk("PCI: bar %d, logicalBar %d ",
432 PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
433 "base addr %llx virt_addr=%llx len=%d\n",
434 (u64)pm8001_ha->io_mem[logicalBar].membase,
436 pm8001_ha->io_mem[logicalBar].memvirtaddr,
437 pm8001_ha->io_mem[logicalBar].memsize));
439 pm8001_ha->io_mem[logicalBar].membase = 0;
440 pm8001_ha->io_mem[logicalBar].memsize = 0;
441 pm8001_ha->io_mem[logicalBar].memvirtaddr = 0;
449 * pm8001_pci_alloc - initialize our ha card structure
452 * @shost: scsi host struct which has been initialized before.
454 static struct pm8001_hba_info *pm8001_pci_alloc(struct pci_dev *pdev,
455 const struct pci_device_id *ent,
456 struct Scsi_Host *shost)
459 struct pm8001_hba_info *pm8001_ha;
460 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
463 pm8001_ha = sha->lldd_ha;
467 pm8001_ha->pdev = pdev;
468 pm8001_ha->dev = &pdev->dev;
469 pm8001_ha->chip_id = ent->driver_data;
470 pm8001_ha->chip = &pm8001_chips[pm8001_ha->chip_id];
471 pm8001_ha->irq = pdev->irq;
472 pm8001_ha->sas = sha;
473 pm8001_ha->shost = shost;
474 pm8001_ha->id = pm8001_id++;
475 pm8001_ha->logging_level = 0x01;
476 sprintf(pm8001_ha->name, "%s%d", DRV_NAME, pm8001_ha->id);
477 /* IOMB size is 128 for 8088/89 controllers */
478 if (pm8001_ha->chip_id != chip_8001)
479 pm8001_ha->iomb_size = IOMB_SIZE_SPCV;
481 pm8001_ha->iomb_size = IOMB_SIZE_SPC;
483 #ifdef PM8001_USE_TASKLET
484 /* Tasklet for non msi-x interrupt handler */
485 if ((!pdev->msix_cap) || (pm8001_ha->chip_id == chip_8001))
486 tasklet_init(&pm8001_ha->tasklet[0], pm8001_tasklet,
487 (unsigned long)&(pm8001_ha->irq_vector[0]));
489 for (j = 0; j < PM8001_MAX_MSIX_VEC; j++)
490 tasklet_init(&pm8001_ha->tasklet[j], pm8001_tasklet,
491 (unsigned long)&(pm8001_ha->irq_vector[j]));
493 pm8001_ioremap(pm8001_ha);
494 if (!pm8001_alloc(pm8001_ha, ent))
496 pm8001_free(pm8001_ha);
501 * pci_go_44 - pm8001 specified, its DMA is 44 bit rather than 64 bit
504 static int pci_go_44(struct pci_dev *pdev)
508 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(44))) {
509 rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(44));
511 rc = pci_set_consistent_dma_mask(pdev,
514 dev_printk(KERN_ERR, &pdev->dev,
515 "44-bit DMA enable failed\n");
520 rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
522 dev_printk(KERN_ERR, &pdev->dev,
523 "32-bit DMA enable failed\n");
526 rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
528 dev_printk(KERN_ERR, &pdev->dev,
529 "32-bit consistent DMA enable failed\n");
537 * pm8001_prep_sas_ha_init - allocate memory in general hba struct && init them.
538 * @shost: scsi host which has been allocated outside.
539 * @chip_info: our ha struct.
541 static int pm8001_prep_sas_ha_init(struct Scsi_Host *shost,
542 const struct pm8001_chip_info *chip_info)
545 struct asd_sas_phy **arr_phy;
546 struct asd_sas_port **arr_port;
547 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
549 phy_nr = chip_info->n_phy;
551 memset(sha, 0x00, sizeof(*sha));
552 arr_phy = kcalloc(phy_nr, sizeof(void *), GFP_KERNEL);
555 arr_port = kcalloc(port_nr, sizeof(void *), GFP_KERNEL);
559 sha->sas_phy = arr_phy;
560 sha->sas_port = arr_port;
561 sha->lldd_ha = kzalloc(sizeof(struct pm8001_hba_info), GFP_KERNEL);
565 shost->transportt = pm8001_stt;
566 shost->max_id = PM8001_MAX_DEVICES;
568 shost->max_channel = 0;
569 shost->unique_id = pm8001_id;
570 shost->max_cmd_len = 16;
571 shost->can_queue = PM8001_CAN_QUEUE;
572 shost->cmd_per_lun = 32;
583 * pm8001_post_sas_ha_init - initialize general hba struct defined in libsas
584 * @shost: scsi host which has been allocated outside
585 * @chip_info: our ha struct.
587 static void pm8001_post_sas_ha_init(struct Scsi_Host *shost,
588 const struct pm8001_chip_info *chip_info)
591 struct pm8001_hba_info *pm8001_ha;
592 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
594 pm8001_ha = sha->lldd_ha;
595 for (i = 0; i < chip_info->n_phy; i++) {
596 sha->sas_phy[i] = &pm8001_ha->phy[i].sas_phy;
597 sha->sas_port[i] = &pm8001_ha->port[i].sas_port;
599 sha->sas_ha_name = DRV_NAME;
600 sha->dev = pm8001_ha->dev;
602 sha->lldd_module = THIS_MODULE;
603 sha->sas_addr = &pm8001_ha->sas_addr[0];
604 sha->num_phys = chip_info->n_phy;
605 sha->core.shost = shost;
609 * pm8001_init_sas_add - initialize sas address
610 * @chip_info: our ha struct.
612 * Currently we just set the fixed SAS address to our HBA,for manufacture,
613 * it should read from the EEPROM
615 static void pm8001_init_sas_add(struct pm8001_hba_info *pm8001_ha)
618 #ifdef PM8001_READ_VPD
619 /* For new SPC controllers WWN is stored in flash vpd
620 * For SPC/SPCve controllers WWN is stored in EEPROM
621 * For Older SPC WWN is stored in NVMD
623 DECLARE_COMPLETION_ONSTACK(completion);
624 struct pm8001_ioctl_payload payload;
628 pci_read_config_word(pm8001_ha->pdev, PCI_DEVICE_ID, &deviceid);
629 pm8001_ha->nvmd_completion = &completion;
631 if (pm8001_ha->chip_id == chip_8001) {
632 if (deviceid == 0x8081 || deviceid == 0x0042) {
633 payload.minor_function = 4;
634 payload.length = 4096;
636 payload.minor_function = 0;
637 payload.length = 128;
639 } else if ((pm8001_ha->chip_id == chip_8070 ||
640 pm8001_ha->chip_id == chip_8072) &&
641 pm8001_ha->pdev->subsystem_vendor == PCI_VENDOR_ID_ATTO) {
642 payload.minor_function = 4;
643 payload.length = 4096;
645 payload.minor_function = 1;
646 payload.length = 4096;
649 payload.func_specific = kzalloc(payload.length, GFP_KERNEL);
650 if (!payload.func_specific) {
651 PM8001_INIT_DBG(pm8001_ha, pm8001_printk("mem alloc fail\n"));
654 rc = PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload);
656 kfree(payload.func_specific);
657 PM8001_INIT_DBG(pm8001_ha, pm8001_printk("nvmd failed\n"));
660 wait_for_completion(&completion);
662 for (i = 0, j = 0; i <= 7; i++, j++) {
663 if (pm8001_ha->chip_id == chip_8001) {
664 if (deviceid == 0x8081)
665 pm8001_ha->sas_addr[j] =
666 payload.func_specific[0x704 + i];
667 else if (deviceid == 0x0042)
668 pm8001_ha->sas_addr[j] =
669 payload.func_specific[0x010 + i];
670 } else if ((pm8001_ha->chip_id == chip_8070 ||
671 pm8001_ha->chip_id == chip_8072) &&
672 pm8001_ha->pdev->subsystem_vendor == PCI_VENDOR_ID_ATTO) {
673 pm8001_ha->sas_addr[j] =
674 payload.func_specific[0x010 + i];
676 pm8001_ha->sas_addr[j] =
677 payload.func_specific[0x804 + i];
680 for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
681 memcpy(&pm8001_ha->phy[i].dev_sas_addr,
682 pm8001_ha->sas_addr, SAS_ADDR_SIZE);
683 PM8001_INIT_DBG(pm8001_ha,
684 pm8001_printk("phy %d sas_addr = %016llx\n", i,
685 pm8001_ha->phy[i].dev_sas_addr));
687 kfree(payload.func_specific);
689 for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
690 pm8001_ha->phy[i].dev_sas_addr = 0x50010c600047f9d0ULL;
691 pm8001_ha->phy[i].dev_sas_addr =
693 (*(u64 *)&pm8001_ha->phy[i].dev_sas_addr));
695 memcpy(pm8001_ha->sas_addr, &pm8001_ha->phy[0].dev_sas_addr,
701 * pm8001_get_phy_settings_info : Read phy setting values.
702 * @pm8001_ha : our hba.
704 static int pm8001_get_phy_settings_info(struct pm8001_hba_info *pm8001_ha)
707 #ifdef PM8001_READ_VPD
708 /*OPTION ROM FLASH read for the SPC cards */
709 DECLARE_COMPLETION_ONSTACK(completion);
710 struct pm8001_ioctl_payload payload;
713 pm8001_ha->nvmd_completion = &completion;
714 /* SAS ADDRESS read from flash / EEPROM */
715 payload.minor_function = 6;
717 payload.length = 4096;
718 payload.func_specific = kzalloc(4096, GFP_KERNEL);
719 if (!payload.func_specific)
721 /* Read phy setting values from flash */
722 rc = PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload);
724 kfree(payload.func_specific);
725 PM8001_INIT_DBG(pm8001_ha, pm8001_printk("nvmd failed\n"));
728 wait_for_completion(&completion);
729 pm8001_set_phy_profile(pm8001_ha, sizeof(u8), payload.func_specific);
730 kfree(payload.func_specific);
736 * pm8001_configure_phy_settings : Configures PHY settings based on vendor ID.
737 * @pm8001_ha : our hba.
739 static int pm8001_configure_phy_settings(struct pm8001_hba_info *pm8001_ha)
741 switch (pm8001_ha->pdev->subsystem_vendor) {
742 case PCI_VENDOR_ID_ATTO:
743 case PCI_VENDOR_ID_ADAPTEC2:
748 return pm8001_get_phy_settings_info(pm8001_ha);
752 #ifdef PM8001_USE_MSIX
754 * pm8001_setup_msix - enable MSI-X interrupt
755 * @chip_info: our ha struct.
756 * @irq_handler: irq_handler
758 static u32 pm8001_setup_msix(struct pm8001_hba_info *pm8001_ha)
765 static char intr_drvname[PM8001_MAX_MSIX_VEC][sizeof(DRV_NAME)+3];
767 /* SPCv controllers supports 64 msi-x */
768 if (pm8001_ha->chip_id == chip_8001) {
771 number_of_intr = PM8001_MAX_MSIX_VEC;
772 flag &= ~IRQF_SHARED;
775 max_entry = sizeof(pm8001_ha->msix_entries) /
776 sizeof(pm8001_ha->msix_entries[0]);
777 for (i = 0; i < max_entry ; i++)
778 pm8001_ha->msix_entries[i].entry = i;
779 rc = pci_enable_msix_exact(pm8001_ha->pdev, pm8001_ha->msix_entries,
781 pm8001_ha->number_of_intr = number_of_intr;
785 PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
786 "pci_enable_msix_exact request ret:%d no of intr %d\n",
787 rc, pm8001_ha->number_of_intr));
789 for (i = 0; i < number_of_intr; i++) {
790 snprintf(intr_drvname[i], sizeof(intr_drvname[0]),
792 pm8001_ha->irq_vector[i].irq_id = i;
793 pm8001_ha->irq_vector[i].drv_inst = pm8001_ha;
795 rc = request_irq(pm8001_ha->msix_entries[i].vector,
796 pm8001_interrupt_handler_msix, flag,
797 intr_drvname[i], &(pm8001_ha->irq_vector[i]));
799 for (j = 0; j < i; j++) {
800 free_irq(pm8001_ha->msix_entries[j].vector,
801 &(pm8001_ha->irq_vector[i]));
803 pci_disable_msix(pm8001_ha->pdev);
813 * pm8001_request_irq - register interrupt
814 * @chip_info: our ha struct.
816 static u32 pm8001_request_irq(struct pm8001_hba_info *pm8001_ha)
818 struct pci_dev *pdev;
821 pdev = pm8001_ha->pdev;
823 #ifdef PM8001_USE_MSIX
825 return pm8001_setup_msix(pm8001_ha);
827 PM8001_INIT_DBG(pm8001_ha,
828 pm8001_printk("MSIX not supported!!!\n"));
834 /* initialize the INT-X interrupt */
835 rc = request_irq(pdev->irq, pm8001_interrupt_handler_intx, IRQF_SHARED,
836 DRV_NAME, SHOST_TO_SAS_HA(pm8001_ha->shost));
841 * pm8001_pci_probe - probe supported device
842 * @pdev: pci device which kernel has been prepared for.
843 * @ent: pci device id
845 * This function is the main initialization function, when register a new
846 * pci driver it is invoked, all struct an hardware initilization should be done
847 * here, also, register interrupt
849 static int pm8001_pci_probe(struct pci_dev *pdev,
850 const struct pci_device_id *ent)
855 struct pm8001_hba_info *pm8001_ha;
856 struct Scsi_Host *shost = NULL;
857 const struct pm8001_chip_info *chip;
859 dev_printk(KERN_INFO, &pdev->dev,
860 "pm80xx: driver version %s\n", DRV_VERSION);
861 rc = pci_enable_device(pdev);
864 pci_set_master(pdev);
866 * Enable pci slot busmaster by setting pci command register.
867 * This is required by FW for Cyclone card.
870 pci_read_config_dword(pdev, PCI_COMMAND, &pci_reg);
872 pci_write_config_dword(pdev, PCI_COMMAND, pci_reg);
873 rc = pci_request_regions(pdev, DRV_NAME);
875 goto err_out_disable;
876 rc = pci_go_44(pdev);
878 goto err_out_regions;
880 shost = scsi_host_alloc(&pm8001_sht, sizeof(void *));
883 goto err_out_regions;
885 chip = &pm8001_chips[ent->driver_data];
886 SHOST_TO_SAS_HA(shost) =
887 kzalloc(sizeof(struct sas_ha_struct), GFP_KERNEL);
888 if (!SHOST_TO_SAS_HA(shost)) {
890 goto err_out_free_host;
893 rc = pm8001_prep_sas_ha_init(shost, chip);
898 pci_set_drvdata(pdev, SHOST_TO_SAS_HA(shost));
899 /* ent->driver variable is used to differentiate between controllers */
900 pm8001_ha = pm8001_pci_alloc(pdev, ent, shost);
905 list_add_tail(&pm8001_ha->list, &hba_list);
906 PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha);
907 rc = PM8001_CHIP_DISP->chip_init(pm8001_ha);
909 PM8001_FAIL_DBG(pm8001_ha, pm8001_printk(
910 "chip_init failed [ret: %d]\n", rc));
911 goto err_out_ha_free;
914 rc = scsi_add_host(shost, &pdev->dev);
916 goto err_out_ha_free;
917 rc = pm8001_request_irq(pm8001_ha);
919 PM8001_FAIL_DBG(pm8001_ha, pm8001_printk(
920 "pm8001_request_irq failed [ret: %d]\n", rc));
924 PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, 0);
925 if (pm8001_ha->chip_id != chip_8001) {
926 for (i = 1; i < pm8001_ha->number_of_intr; i++)
927 PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, i);
928 /* setup thermal configuration. */
929 pm80xx_set_thermal_config(pm8001_ha);
932 pm8001_init_sas_add(pm8001_ha);
933 /* phy setting support for motherboard controller */
934 if (pm8001_configure_phy_settings(pm8001_ha))
937 pm8001_post_sas_ha_init(shost, chip);
938 rc = sas_register_ha(SHOST_TO_SAS_HA(shost));
941 scsi_scan_host(pm8001_ha->shost);
945 scsi_remove_host(pm8001_ha->shost);
947 pm8001_free(pm8001_ha);
949 kfree(SHOST_TO_SAS_HA(shost));
953 pci_release_regions(pdev);
955 pci_disable_device(pdev);
960 static void pm8001_pci_remove(struct pci_dev *pdev)
962 struct sas_ha_struct *sha = pci_get_drvdata(pdev);
963 struct pm8001_hba_info *pm8001_ha;
965 pm8001_ha = sha->lldd_ha;
966 sas_unregister_ha(sha);
967 sas_remove_host(pm8001_ha->shost);
968 list_del(&pm8001_ha->list);
969 scsi_remove_host(pm8001_ha->shost);
970 PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF);
971 PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha);
973 #ifdef PM8001_USE_MSIX
974 for (i = 0; i < pm8001_ha->number_of_intr; i++)
975 synchronize_irq(pm8001_ha->msix_entries[i].vector);
976 for (i = 0; i < pm8001_ha->number_of_intr; i++)
977 free_irq(pm8001_ha->msix_entries[i].vector,
978 &(pm8001_ha->irq_vector[i]));
979 pci_disable_msix(pdev);
981 free_irq(pm8001_ha->irq, sha);
983 #ifdef PM8001_USE_TASKLET
984 /* For non-msix and msix interrupts */
985 if ((!pdev->msix_cap) || (pm8001_ha->chip_id == chip_8001))
986 tasklet_kill(&pm8001_ha->tasklet[0]);
988 for (j = 0; j < PM8001_MAX_MSIX_VEC; j++)
989 tasklet_kill(&pm8001_ha->tasklet[j]);
991 pm8001_free(pm8001_ha);
993 kfree(sha->sas_port);
995 pci_release_regions(pdev);
996 pci_disable_device(pdev);
1000 * pm8001_pci_suspend - power management suspend main entry point
1001 * @pdev: PCI device struct
1002 * @state: PM state change to (usually PCI_D3)
1004 * Returns 0 success, anything else error.
1006 static int pm8001_pci_suspend(struct pci_dev *pdev, pm_message_t state)
1008 struct sas_ha_struct *sha = pci_get_drvdata(pdev);
1009 struct pm8001_hba_info *pm8001_ha;
1012 pm8001_ha = sha->lldd_ha;
1013 sas_suspend_ha(sha);
1014 flush_workqueue(pm8001_wq);
1015 scsi_block_requests(pm8001_ha->shost);
1016 if (!pdev->pm_cap) {
1017 dev_err(&pdev->dev, " PCI PM not supported\n");
1020 PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF);
1021 PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha);
1022 #ifdef PM8001_USE_MSIX
1023 for (i = 0; i < pm8001_ha->number_of_intr; i++)
1024 synchronize_irq(pm8001_ha->msix_entries[i].vector);
1025 for (i = 0; i < pm8001_ha->number_of_intr; i++)
1026 free_irq(pm8001_ha->msix_entries[i].vector,
1027 &(pm8001_ha->irq_vector[i]));
1028 pci_disable_msix(pdev);
1030 free_irq(pm8001_ha->irq, sha);
1032 #ifdef PM8001_USE_TASKLET
1033 /* For non-msix and msix interrupts */
1034 if ((!pdev->msix_cap) || (pm8001_ha->chip_id == chip_8001))
1035 tasklet_kill(&pm8001_ha->tasklet[0]);
1037 for (j = 0; j < PM8001_MAX_MSIX_VEC; j++)
1038 tasklet_kill(&pm8001_ha->tasklet[j]);
1040 device_state = pci_choose_state(pdev, state);
1041 pm8001_printk("pdev=0x%p, slot=%s, entering "
1042 "operating state [D%d]\n", pdev,
1043 pm8001_ha->name, device_state);
1044 pci_save_state(pdev);
1045 pci_disable_device(pdev);
1046 pci_set_power_state(pdev, device_state);
1051 * pm8001_pci_resume - power management resume main entry point
1052 * @pdev: PCI device struct
1054 * Returns 0 success, anything else error.
1056 static int pm8001_pci_resume(struct pci_dev *pdev)
1058 struct sas_ha_struct *sha = pci_get_drvdata(pdev);
1059 struct pm8001_hba_info *pm8001_ha;
1063 DECLARE_COMPLETION_ONSTACK(completion);
1064 pm8001_ha = sha->lldd_ha;
1065 device_state = pdev->current_state;
1067 pm8001_printk("pdev=0x%p, slot=%s, resuming from previous "
1068 "operating state [D%d]\n", pdev, pm8001_ha->name, device_state);
1070 pci_set_power_state(pdev, PCI_D0);
1071 pci_enable_wake(pdev, PCI_D0, 0);
1072 pci_restore_state(pdev);
1073 rc = pci_enable_device(pdev);
1075 pm8001_printk("slot=%s Enable device failed during resume\n",
1077 goto err_out_enable;
1080 pci_set_master(pdev);
1081 rc = pci_go_44(pdev);
1083 goto err_out_disable;
1084 sas_prep_resume_ha(sha);
1085 /* chip soft rst only for spc */
1086 if (pm8001_ha->chip_id == chip_8001) {
1087 PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha);
1088 PM8001_INIT_DBG(pm8001_ha,
1089 pm8001_printk("chip soft reset successful\n"));
1091 rc = PM8001_CHIP_DISP->chip_init(pm8001_ha);
1093 goto err_out_disable;
1095 /* disable all the interrupt bits */
1096 PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF);
1098 rc = pm8001_request_irq(pm8001_ha);
1100 goto err_out_disable;
1101 #ifdef PM8001_USE_TASKLET
1102 /* Tasklet for non msi-x interrupt handler */
1103 if ((!pdev->msix_cap) || (pm8001_ha->chip_id == chip_8001))
1104 tasklet_init(&pm8001_ha->tasklet[0], pm8001_tasklet,
1105 (unsigned long)&(pm8001_ha->irq_vector[0]));
1107 for (j = 0; j < PM8001_MAX_MSIX_VEC; j++)
1108 tasklet_init(&pm8001_ha->tasklet[j], pm8001_tasklet,
1109 (unsigned long)&(pm8001_ha->irq_vector[j]));
1111 PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, 0);
1112 if (pm8001_ha->chip_id != chip_8001) {
1113 for (i = 1; i < pm8001_ha->number_of_intr; i++)
1114 PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, i);
1116 pm8001_ha->flags = PM8001F_RUN_TIME;
1117 for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
1118 pm8001_ha->phy[i].enable_completion = &completion;
1119 PM8001_CHIP_DISP->phy_start_req(pm8001_ha, i);
1120 wait_for_completion(&completion);
1126 scsi_remove_host(pm8001_ha->shost);
1127 pci_disable_device(pdev);
1132 /* update of pci device, vendor id and driver data with
1133 * unique value for each of the controller
1135 static struct pci_device_id pm8001_pci_table[] = {
1136 { PCI_VDEVICE(PMC_Sierra, 0x8001), chip_8001 },
1137 { PCI_VDEVICE(PMC_Sierra, 0x8006), chip_8006 },
1138 { PCI_VDEVICE(ADAPTEC2, 0x8006), chip_8006 },
1139 { PCI_VDEVICE(ATTO, 0x0042), chip_8001 },
1140 /* Support for SPC/SPCv/SPCve controllers */
1141 { PCI_VDEVICE(ADAPTEC2, 0x8001), chip_8001 },
1142 { PCI_VDEVICE(PMC_Sierra, 0x8008), chip_8008 },
1143 { PCI_VDEVICE(ADAPTEC2, 0x8008), chip_8008 },
1144 { PCI_VDEVICE(PMC_Sierra, 0x8018), chip_8018 },
1145 { PCI_VDEVICE(ADAPTEC2, 0x8018), chip_8018 },
1146 { PCI_VDEVICE(PMC_Sierra, 0x8009), chip_8009 },
1147 { PCI_VDEVICE(ADAPTEC2, 0x8009), chip_8009 },
1148 { PCI_VDEVICE(PMC_Sierra, 0x8019), chip_8019 },
1149 { PCI_VDEVICE(ADAPTEC2, 0x8019), chip_8019 },
1150 { PCI_VDEVICE(PMC_Sierra, 0x8074), chip_8074 },
1151 { PCI_VDEVICE(ADAPTEC2, 0x8074), chip_8074 },
1152 { PCI_VDEVICE(PMC_Sierra, 0x8076), chip_8076 },
1153 { PCI_VDEVICE(ADAPTEC2, 0x8076), chip_8076 },
1154 { PCI_VDEVICE(PMC_Sierra, 0x8077), chip_8077 },
1155 { PCI_VDEVICE(ADAPTEC2, 0x8077), chip_8077 },
1156 { PCI_VENDOR_ID_ADAPTEC2, 0x8081,
1157 PCI_VENDOR_ID_ADAPTEC2, 0x0400, 0, 0, chip_8001 },
1158 { PCI_VENDOR_ID_ADAPTEC2, 0x8081,
1159 PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8001 },
1160 { PCI_VENDOR_ID_ADAPTEC2, 0x8088,
1161 PCI_VENDOR_ID_ADAPTEC2, 0x0008, 0, 0, chip_8008 },
1162 { PCI_VENDOR_ID_ADAPTEC2, 0x8088,
1163 PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8008 },
1164 { PCI_VENDOR_ID_ADAPTEC2, 0x8089,
1165 PCI_VENDOR_ID_ADAPTEC2, 0x0008, 0, 0, chip_8009 },
1166 { PCI_VENDOR_ID_ADAPTEC2, 0x8089,
1167 PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8009 },
1168 { PCI_VENDOR_ID_ADAPTEC2, 0x8088,
1169 PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8018 },
1170 { PCI_VENDOR_ID_ADAPTEC2, 0x8088,
1171 PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8018 },
1172 { PCI_VENDOR_ID_ADAPTEC2, 0x8089,
1173 PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8019 },
1174 { PCI_VENDOR_ID_ADAPTEC2, 0x8089,
1175 PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8019 },
1176 { PCI_VENDOR_ID_ADAPTEC2, 0x8074,
1177 PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8074 },
1178 { PCI_VENDOR_ID_ADAPTEC2, 0x8076,
1179 PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8076 },
1180 { PCI_VENDOR_ID_ADAPTEC2, 0x8077,
1181 PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8077 },
1182 { PCI_VENDOR_ID_ADAPTEC2, 0x8074,
1183 PCI_VENDOR_ID_ADAPTEC2, 0x0008, 0, 0, chip_8074 },
1184 { PCI_VENDOR_ID_ADAPTEC2, 0x8076,
1185 PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8076 },
1186 { PCI_VENDOR_ID_ADAPTEC2, 0x8077,
1187 PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8077 },
1188 { PCI_VENDOR_ID_ADAPTEC2, 0x8076,
1189 PCI_VENDOR_ID_ADAPTEC2, 0x0808, 0, 0, chip_8076 },
1190 { PCI_VENDOR_ID_ADAPTEC2, 0x8077,
1191 PCI_VENDOR_ID_ADAPTEC2, 0x0808, 0, 0, chip_8077 },
1192 { PCI_VENDOR_ID_ADAPTEC2, 0x8074,
1193 PCI_VENDOR_ID_ADAPTEC2, 0x0404, 0, 0, chip_8074 },
1194 { PCI_VENDOR_ID_ATTO, 0x8070,
1195 PCI_VENDOR_ID_ATTO, 0x0070, 0, 0, chip_8070 },
1196 { PCI_VENDOR_ID_ATTO, 0x8070,
1197 PCI_VENDOR_ID_ATTO, 0x0071, 0, 0, chip_8070 },
1198 { PCI_VENDOR_ID_ATTO, 0x8072,
1199 PCI_VENDOR_ID_ATTO, 0x0072, 0, 0, chip_8072 },
1200 { PCI_VENDOR_ID_ATTO, 0x8072,
1201 PCI_VENDOR_ID_ATTO, 0x0073, 0, 0, chip_8072 },
1202 { PCI_VENDOR_ID_ATTO, 0x8070,
1203 PCI_VENDOR_ID_ATTO, 0x0080, 0, 0, chip_8070 },
1204 { PCI_VENDOR_ID_ATTO, 0x8072,
1205 PCI_VENDOR_ID_ATTO, 0x0081, 0, 0, chip_8072 },
1206 { PCI_VENDOR_ID_ATTO, 0x8072,
1207 PCI_VENDOR_ID_ATTO, 0x0082, 0, 0, chip_8072 },
1208 {} /* terminate list */
1211 static struct pci_driver pm8001_pci_driver = {
1213 .id_table = pm8001_pci_table,
1214 .probe = pm8001_pci_probe,
1215 .remove = pm8001_pci_remove,
1216 .suspend = pm8001_pci_suspend,
1217 .resume = pm8001_pci_resume,
1221 * pm8001_init - initialize scsi transport template
1223 static int __init pm8001_init(void)
1227 pm8001_wq = alloc_workqueue("pm80xx", 0, 0);
1232 pm8001_stt = sas_domain_attach_transport(&pm8001_transport_ops);
1235 rc = pci_register_driver(&pm8001_pci_driver);
1241 sas_release_transport(pm8001_stt);
1243 destroy_workqueue(pm8001_wq);
1248 static void __exit pm8001_exit(void)
1250 pci_unregister_driver(&pm8001_pci_driver);
1251 sas_release_transport(pm8001_stt);
1252 destroy_workqueue(pm8001_wq);
1255 module_init(pm8001_init);
1256 module_exit(pm8001_exit);
1258 MODULE_AUTHOR("Jack Wang <jack_wang@usish.com>");
1259 MODULE_AUTHOR("Anand Kumar Santhanam <AnandKumar.Santhanam@pmcs.com>");
1260 MODULE_AUTHOR("Sangeetha Gnanasekaran <Sangeetha.Gnanasekaran@pmcs.com>");
1261 MODULE_AUTHOR("Nikith Ganigarakoppal <Nikith.Ganigarakoppal@pmcs.com>");
1263 "PMC-Sierra PM8001/8006/8081/8088/8089/8074/8076/8077/8070/8072 "
1264 "SAS/SATA controller driver");
1265 MODULE_VERSION(DRV_VERSION);
1266 MODULE_LICENSE("GPL");
1267 MODULE_DEVICE_TABLE(pci, pm8001_pci_table);