xref: /openbmc/linux/drivers/scsi/pm8001/pm8001_init.c (revision bbde9fc1824aab58bc78c084163007dd6c03fe5b)
1 /*
2  * PMC-Sierra PM8001/8081/8088/8089 SAS/SATA based host adapters driver
3  *
4  * Copyright (c) 2008-2009 USI Co., Ltd.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
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.
18  * 3. Neither the names of the above-listed copyright holders nor the names
19  *    of any contributors may be used to endorse or promote products derived
20  *    from this software without specific prior written permission.
21  *
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.
25  *
26  * NO WARRANTY
27  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
28  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
29  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
30  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
31  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
35  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
36  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37  * POSSIBILITY OF SUCH DAMAGES.
38  *
39  */
40 
41 #include <linux/slab.h>
42 #include "pm8001_sas.h"
43 #include "pm8001_chips.h"
44 
45 static struct scsi_transport_template *pm8001_stt;
46 
47 /**
48  * chip info structure to identify chip key functionality as
49  * encryption available/not, no of ports, hw specific function ref
50  */
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 };
61 static int pm8001_id;
62 
63 LIST_HEAD(hba_list);
64 
65 struct workqueue_struct *pm8001_wq;
66 
67 /**
68  * The main structure which LLDD must register for scsi core.
69  */
70 static struct scsi_host_template pm8001_sht = {
71 	.module			= THIS_MODULE,
72 	.name			= DRV_NAME,
73 	.queuecommand		= sas_queuecommand,
74 	.target_alloc		= sas_target_alloc,
75 	.slave_configure	= sas_slave_configure,
76 	.scan_finished		= pm8001_scan_finished,
77 	.scan_start		= pm8001_scan_start,
78 	.change_queue_depth	= sas_change_queue_depth,
79 	.bios_param		= sas_bios_param,
80 	.can_queue		= 1,
81 	.this_id		= -1,
82 	.sg_tablesize		= SG_ALL,
83 	.max_sectors		= SCSI_DEFAULT_MAX_SECTORS,
84 	.use_clustering		= ENABLE_CLUSTERING,
85 	.eh_device_reset_handler = sas_eh_device_reset_handler,
86 	.eh_bus_reset_handler	= sas_eh_bus_reset_handler,
87 	.target_destroy		= sas_target_destroy,
88 	.ioctl			= sas_ioctl,
89 	.shost_attrs		= pm8001_host_attrs,
90 	.use_blk_tags		= 1,
91 	.track_queue_depth	= 1,
92 };
93 
94 /**
95  * Sas layer call this function to execute specific task.
96  */
97 static struct sas_domain_function_template pm8001_transport_ops = {
98 	.lldd_dev_found		= pm8001_dev_found,
99 	.lldd_dev_gone		= pm8001_dev_gone,
100 
101 	.lldd_execute_task	= pm8001_queue_command,
102 	.lldd_control_phy	= pm8001_phy_control,
103 
104 	.lldd_abort_task	= pm8001_abort_task,
105 	.lldd_abort_task_set	= pm8001_abort_task_set,
106 	.lldd_clear_aca		= pm8001_clear_aca,
107 	.lldd_clear_task_set	= pm8001_clear_task_set,
108 	.lldd_I_T_nexus_reset   = pm8001_I_T_nexus_reset,
109 	.lldd_lu_reset		= pm8001_lu_reset,
110 	.lldd_query_task	= pm8001_query_task,
111 };
112 
113 /**
114  *pm8001_phy_init - initiate our adapter phys
115  *@pm8001_ha: our hba structure.
116  *@phy_id: phy id.
117  */
118 static void pm8001_phy_init(struct pm8001_hba_info *pm8001_ha, int phy_id)
119 {
120 	struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
121 	struct asd_sas_phy *sas_phy = &phy->sas_phy;
122 	phy->phy_state = 0;
123 	phy->pm8001_ha = pm8001_ha;
124 	sas_phy->enabled = (phy_id < pm8001_ha->chip->n_phy) ? 1 : 0;
125 	sas_phy->class = SAS;
126 	sas_phy->iproto = SAS_PROTOCOL_ALL;
127 	sas_phy->tproto = 0;
128 	sas_phy->type = PHY_TYPE_PHYSICAL;
129 	sas_phy->role = PHY_ROLE_INITIATOR;
130 	sas_phy->oob_mode = OOB_NOT_CONNECTED;
131 	sas_phy->linkrate = SAS_LINK_RATE_UNKNOWN;
132 	sas_phy->id = phy_id;
133 	sas_phy->sas_addr = &pm8001_ha->sas_addr[0];
134 	sas_phy->frame_rcvd = &phy->frame_rcvd[0];
135 	sas_phy->ha = (struct sas_ha_struct *)pm8001_ha->shost->hostdata;
136 	sas_phy->lldd_phy = phy;
137 }
138 
139 /**
140  *pm8001_free - free hba
141  *@pm8001_ha:	our hba structure.
142  *
143  */
144 static void pm8001_free(struct pm8001_hba_info *pm8001_ha)
145 {
146 	int i;
147 
148 	if (!pm8001_ha)
149 		return;
150 
151 	for (i = 0; i < USI_MAX_MEMCNT; i++) {
152 		if (pm8001_ha->memoryMap.region[i].virt_ptr != NULL) {
153 			pci_free_consistent(pm8001_ha->pdev,
154 				(pm8001_ha->memoryMap.region[i].total_len +
155 				pm8001_ha->memoryMap.region[i].alignment),
156 				pm8001_ha->memoryMap.region[i].virt_ptr,
157 				pm8001_ha->memoryMap.region[i].phys_addr);
158 			}
159 	}
160 	PM8001_CHIP_DISP->chip_iounmap(pm8001_ha);
161 	if (pm8001_ha->shost)
162 		scsi_host_put(pm8001_ha->shost);
163 	flush_workqueue(pm8001_wq);
164 	kfree(pm8001_ha->tags);
165 	kfree(pm8001_ha);
166 }
167 
168 #ifdef PM8001_USE_TASKLET
169 
170 /**
171  * tasklet for 64 msi-x interrupt handler
172  * @opaque: the passed general host adapter struct
173  * Note: pm8001_tasklet is common for pm8001 & pm80xx
174  */
175 static void pm8001_tasklet(unsigned long opaque)
176 {
177 	struct pm8001_hba_info *pm8001_ha;
178 	struct isr_param *irq_vector;
179 
180 	irq_vector = (struct isr_param *)opaque;
181 	pm8001_ha = irq_vector->drv_inst;
182 	if (unlikely(!pm8001_ha))
183 		BUG_ON(1);
184 	PM8001_CHIP_DISP->isr(pm8001_ha, irq_vector->irq_id);
185 }
186 #endif
187 
188 /**
189  * pm8001_interrupt_handler_msix - main MSIX interrupt handler.
190  * It obtains the vector number and calls the equivalent bottom
191  * half or services directly.
192  * @opaque: the passed outbound queue/vector. Host structure is
193  * retrieved from the same.
194  */
195 static irqreturn_t pm8001_interrupt_handler_msix(int irq, void *opaque)
196 {
197 	struct isr_param *irq_vector;
198 	struct pm8001_hba_info *pm8001_ha;
199 	irqreturn_t ret = IRQ_HANDLED;
200 	irq_vector = (struct isr_param *)opaque;
201 	pm8001_ha = irq_vector->drv_inst;
202 
203 	if (unlikely(!pm8001_ha))
204 		return IRQ_NONE;
205 	if (!PM8001_CHIP_DISP->is_our_interupt(pm8001_ha))
206 		return IRQ_NONE;
207 #ifdef PM8001_USE_TASKLET
208 	tasklet_schedule(&pm8001_ha->tasklet[irq_vector->irq_id]);
209 #else
210 	ret = PM8001_CHIP_DISP->isr(pm8001_ha, irq_vector->irq_id);
211 #endif
212 	return ret;
213 }
214 
215 /**
216  * pm8001_interrupt_handler_intx - main INTx interrupt handler.
217  * @dev_id: sas_ha structure. The HBA is retrieved from sas_has structure.
218  */
219 
220 static irqreturn_t pm8001_interrupt_handler_intx(int irq, void *dev_id)
221 {
222 	struct pm8001_hba_info *pm8001_ha;
223 	irqreturn_t ret = IRQ_HANDLED;
224 	struct sas_ha_struct *sha = dev_id;
225 	pm8001_ha = sha->lldd_ha;
226 	if (unlikely(!pm8001_ha))
227 		return IRQ_NONE;
228 	if (!PM8001_CHIP_DISP->is_our_interupt(pm8001_ha))
229 		return IRQ_NONE;
230 
231 #ifdef PM8001_USE_TASKLET
232 	tasklet_schedule(&pm8001_ha->tasklet[0]);
233 #else
234 	ret = PM8001_CHIP_DISP->isr(pm8001_ha, 0);
235 #endif
236 	return ret;
237 }
238 
239 /**
240  * pm8001_alloc - initiate our hba structure and 6 DMAs area.
241  * @pm8001_ha:our hba structure.
242  *
243  */
244 static int pm8001_alloc(struct pm8001_hba_info *pm8001_ha,
245 			const struct pci_device_id *ent)
246 {
247 	int i;
248 	spin_lock_init(&pm8001_ha->lock);
249 	spin_lock_init(&pm8001_ha->bitmap_lock);
250 	PM8001_INIT_DBG(pm8001_ha,
251 		pm8001_printk("pm8001_alloc: PHY:%x\n",
252 				pm8001_ha->chip->n_phy));
253 	for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
254 		pm8001_phy_init(pm8001_ha, i);
255 		pm8001_ha->port[i].wide_port_phymap = 0;
256 		pm8001_ha->port[i].port_attached = 0;
257 		pm8001_ha->port[i].port_state = 0;
258 		INIT_LIST_HEAD(&pm8001_ha->port[i].list);
259 	}
260 
261 	pm8001_ha->tags = kzalloc(PM8001_MAX_CCB, GFP_KERNEL);
262 	if (!pm8001_ha->tags)
263 		goto err_out;
264 	/* MPI Memory region 1 for AAP Event Log for fw */
265 	pm8001_ha->memoryMap.region[AAP1].num_elements = 1;
266 	pm8001_ha->memoryMap.region[AAP1].element_size = PM8001_EVENT_LOG_SIZE;
267 	pm8001_ha->memoryMap.region[AAP1].total_len = PM8001_EVENT_LOG_SIZE;
268 	pm8001_ha->memoryMap.region[AAP1].alignment = 32;
269 
270 	/* MPI Memory region 2 for IOP Event Log for fw */
271 	pm8001_ha->memoryMap.region[IOP].num_elements = 1;
272 	pm8001_ha->memoryMap.region[IOP].element_size = PM8001_EVENT_LOG_SIZE;
273 	pm8001_ha->memoryMap.region[IOP].total_len = PM8001_EVENT_LOG_SIZE;
274 	pm8001_ha->memoryMap.region[IOP].alignment = 32;
275 
276 	for (i = 0; i < PM8001_MAX_SPCV_INB_NUM; i++) {
277 		/* MPI Memory region 3 for consumer Index of inbound queues */
278 		pm8001_ha->memoryMap.region[CI+i].num_elements = 1;
279 		pm8001_ha->memoryMap.region[CI+i].element_size = 4;
280 		pm8001_ha->memoryMap.region[CI+i].total_len = 4;
281 		pm8001_ha->memoryMap.region[CI+i].alignment = 4;
282 
283 		if ((ent->driver_data) != chip_8001) {
284 			/* MPI Memory region 5 inbound queues */
285 			pm8001_ha->memoryMap.region[IB+i].num_elements =
286 						PM8001_MPI_QUEUE;
287 			pm8001_ha->memoryMap.region[IB+i].element_size = 128;
288 			pm8001_ha->memoryMap.region[IB+i].total_len =
289 						PM8001_MPI_QUEUE * 128;
290 			pm8001_ha->memoryMap.region[IB+i].alignment = 128;
291 		} else {
292 			pm8001_ha->memoryMap.region[IB+i].num_elements =
293 						PM8001_MPI_QUEUE;
294 			pm8001_ha->memoryMap.region[IB+i].element_size = 64;
295 			pm8001_ha->memoryMap.region[IB+i].total_len =
296 						PM8001_MPI_QUEUE * 64;
297 			pm8001_ha->memoryMap.region[IB+i].alignment = 64;
298 		}
299 	}
300 
301 	for (i = 0; i < PM8001_MAX_SPCV_OUTB_NUM; i++) {
302 		/* MPI Memory region 4 for producer Index of outbound queues */
303 		pm8001_ha->memoryMap.region[PI+i].num_elements = 1;
304 		pm8001_ha->memoryMap.region[PI+i].element_size = 4;
305 		pm8001_ha->memoryMap.region[PI+i].total_len = 4;
306 		pm8001_ha->memoryMap.region[PI+i].alignment = 4;
307 
308 		if (ent->driver_data != chip_8001) {
309 			/* MPI Memory region 6 Outbound queues */
310 			pm8001_ha->memoryMap.region[OB+i].num_elements =
311 						PM8001_MPI_QUEUE;
312 			pm8001_ha->memoryMap.region[OB+i].element_size = 128;
313 			pm8001_ha->memoryMap.region[OB+i].total_len =
314 						PM8001_MPI_QUEUE * 128;
315 			pm8001_ha->memoryMap.region[OB+i].alignment = 128;
316 		} else {
317 			/* MPI Memory region 6 Outbound queues */
318 			pm8001_ha->memoryMap.region[OB+i].num_elements =
319 						PM8001_MPI_QUEUE;
320 			pm8001_ha->memoryMap.region[OB+i].element_size = 64;
321 			pm8001_ha->memoryMap.region[OB+i].total_len =
322 						PM8001_MPI_QUEUE * 64;
323 			pm8001_ha->memoryMap.region[OB+i].alignment = 64;
324 		}
325 
326 	}
327 	/* Memory region write DMA*/
328 	pm8001_ha->memoryMap.region[NVMD].num_elements = 1;
329 	pm8001_ha->memoryMap.region[NVMD].element_size = 4096;
330 	pm8001_ha->memoryMap.region[NVMD].total_len = 4096;
331 	/* Memory region for devices*/
332 	pm8001_ha->memoryMap.region[DEV_MEM].num_elements = 1;
333 	pm8001_ha->memoryMap.region[DEV_MEM].element_size = PM8001_MAX_DEVICES *
334 		sizeof(struct pm8001_device);
335 	pm8001_ha->memoryMap.region[DEV_MEM].total_len = PM8001_MAX_DEVICES *
336 		sizeof(struct pm8001_device);
337 
338 	/* Memory region for ccb_info*/
339 	pm8001_ha->memoryMap.region[CCB_MEM].num_elements = 1;
340 	pm8001_ha->memoryMap.region[CCB_MEM].element_size = PM8001_MAX_CCB *
341 		sizeof(struct pm8001_ccb_info);
342 	pm8001_ha->memoryMap.region[CCB_MEM].total_len = PM8001_MAX_CCB *
343 		sizeof(struct pm8001_ccb_info);
344 
345 	/* Memory region for fw flash */
346 	pm8001_ha->memoryMap.region[FW_FLASH].total_len = 4096;
347 
348 	pm8001_ha->memoryMap.region[FORENSIC_MEM].num_elements = 1;
349 	pm8001_ha->memoryMap.region[FORENSIC_MEM].total_len = 0x10000;
350 	pm8001_ha->memoryMap.region[FORENSIC_MEM].element_size = 0x10000;
351 	pm8001_ha->memoryMap.region[FORENSIC_MEM].alignment = 0x10000;
352 	for (i = 0; i < USI_MAX_MEMCNT; i++) {
353 		if (pm8001_mem_alloc(pm8001_ha->pdev,
354 			&pm8001_ha->memoryMap.region[i].virt_ptr,
355 			&pm8001_ha->memoryMap.region[i].phys_addr,
356 			&pm8001_ha->memoryMap.region[i].phys_addr_hi,
357 			&pm8001_ha->memoryMap.region[i].phys_addr_lo,
358 			pm8001_ha->memoryMap.region[i].total_len,
359 			pm8001_ha->memoryMap.region[i].alignment) != 0) {
360 				PM8001_FAIL_DBG(pm8001_ha,
361 					pm8001_printk("Mem%d alloc failed\n",
362 					i));
363 				goto err_out;
364 		}
365 	}
366 
367 	pm8001_ha->devices = pm8001_ha->memoryMap.region[DEV_MEM].virt_ptr;
368 	for (i = 0; i < PM8001_MAX_DEVICES; i++) {
369 		pm8001_ha->devices[i].dev_type = SAS_PHY_UNUSED;
370 		pm8001_ha->devices[i].id = i;
371 		pm8001_ha->devices[i].device_id = PM8001_MAX_DEVICES;
372 		pm8001_ha->devices[i].running_req = 0;
373 	}
374 	pm8001_ha->ccb_info = pm8001_ha->memoryMap.region[CCB_MEM].virt_ptr;
375 	for (i = 0; i < PM8001_MAX_CCB; i++) {
376 		pm8001_ha->ccb_info[i].ccb_dma_handle =
377 			pm8001_ha->memoryMap.region[CCB_MEM].phys_addr +
378 			i * sizeof(struct pm8001_ccb_info);
379 		pm8001_ha->ccb_info[i].task = NULL;
380 		pm8001_ha->ccb_info[i].ccb_tag = 0xffffffff;
381 		pm8001_ha->ccb_info[i].device = NULL;
382 		++pm8001_ha->tags_num;
383 	}
384 	pm8001_ha->flags = PM8001F_INIT_TIME;
385 	/* Initialize tags */
386 	pm8001_tag_init(pm8001_ha);
387 	return 0;
388 err_out:
389 	return 1;
390 }
391 
392 /**
393  * pm8001_ioremap - remap the pci high physical address to kernal virtual
394  * address so that we can access them.
395  * @pm8001_ha:our hba structure.
396  */
397 static int pm8001_ioremap(struct pm8001_hba_info *pm8001_ha)
398 {
399 	u32 bar;
400 	u32 logicalBar = 0;
401 	struct pci_dev *pdev;
402 
403 	pdev = pm8001_ha->pdev;
404 	/* map pci mem (PMC pci base 0-3)*/
405 	for (bar = 0; bar < 6; bar++) {
406 		/*
407 		** logical BARs for SPC:
408 		** bar 0 and 1 - logical BAR0
409 		** bar 2 and 3 - logical BAR1
410 		** bar4 - logical BAR2
411 		** bar5 - logical BAR3
412 		** Skip the appropriate assignments:
413 		*/
414 		if ((bar == 1) || (bar == 3))
415 			continue;
416 		if (pci_resource_flags(pdev, bar) & IORESOURCE_MEM) {
417 			pm8001_ha->io_mem[logicalBar].membase =
418 				pci_resource_start(pdev, bar);
419 			pm8001_ha->io_mem[logicalBar].membase &=
420 				(u32)PCI_BASE_ADDRESS_MEM_MASK;
421 			pm8001_ha->io_mem[logicalBar].memsize =
422 				pci_resource_len(pdev, bar);
423 			pm8001_ha->io_mem[logicalBar].memvirtaddr =
424 				ioremap(pm8001_ha->io_mem[logicalBar].membase,
425 				pm8001_ha->io_mem[logicalBar].memsize);
426 			PM8001_INIT_DBG(pm8001_ha,
427 				pm8001_printk("PCI: bar %d, logicalBar %d ",
428 				bar, logicalBar));
429 			PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
430 				"base addr %llx virt_addr=%llx len=%d\n",
431 				(u64)pm8001_ha->io_mem[logicalBar].membase,
432 				(u64)(unsigned long)
433 				pm8001_ha->io_mem[logicalBar].memvirtaddr,
434 				pm8001_ha->io_mem[logicalBar].memsize));
435 		} else {
436 			pm8001_ha->io_mem[logicalBar].membase	= 0;
437 			pm8001_ha->io_mem[logicalBar].memsize	= 0;
438 			pm8001_ha->io_mem[logicalBar].memvirtaddr = 0;
439 		}
440 		logicalBar++;
441 	}
442 	return 0;
443 }
444 
445 /**
446  * pm8001_pci_alloc - initialize our ha card structure
447  * @pdev: pci device.
448  * @ent: ent
449  * @shost: scsi host struct which has been initialized before.
450  */
451 static struct pm8001_hba_info *pm8001_pci_alloc(struct pci_dev *pdev,
452 				 const struct pci_device_id *ent,
453 				struct Scsi_Host *shost)
454 
455 {
456 	struct pm8001_hba_info *pm8001_ha;
457 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
458 	int j;
459 
460 	pm8001_ha = sha->lldd_ha;
461 	if (!pm8001_ha)
462 		return NULL;
463 
464 	pm8001_ha->pdev = pdev;
465 	pm8001_ha->dev = &pdev->dev;
466 	pm8001_ha->chip_id = ent->driver_data;
467 	pm8001_ha->chip = &pm8001_chips[pm8001_ha->chip_id];
468 	pm8001_ha->irq = pdev->irq;
469 	pm8001_ha->sas = sha;
470 	pm8001_ha->shost = shost;
471 	pm8001_ha->id = pm8001_id++;
472 	pm8001_ha->logging_level = 0x01;
473 	sprintf(pm8001_ha->name, "%s%d", DRV_NAME, pm8001_ha->id);
474 	/* IOMB size is 128 for 8088/89 controllers */
475 	if (pm8001_ha->chip_id != chip_8001)
476 		pm8001_ha->iomb_size = IOMB_SIZE_SPCV;
477 	else
478 		pm8001_ha->iomb_size = IOMB_SIZE_SPC;
479 
480 #ifdef PM8001_USE_TASKLET
481 	/* Tasklet for non msi-x interrupt handler */
482 	if ((!pdev->msix_cap) || (pm8001_ha->chip_id == chip_8001))
483 		tasklet_init(&pm8001_ha->tasklet[0], pm8001_tasklet,
484 			(unsigned long)&(pm8001_ha->irq_vector[0]));
485 	else
486 		for (j = 0; j < PM8001_MAX_MSIX_VEC; j++)
487 			tasklet_init(&pm8001_ha->tasklet[j], pm8001_tasklet,
488 				(unsigned long)&(pm8001_ha->irq_vector[j]));
489 #endif
490 	pm8001_ioremap(pm8001_ha);
491 	if (!pm8001_alloc(pm8001_ha, ent))
492 		return pm8001_ha;
493 	pm8001_free(pm8001_ha);
494 	return NULL;
495 }
496 
497 /**
498  * pci_go_44 - pm8001 specified, its DMA is 44 bit rather than 64 bit
499  * @pdev: pci device.
500  */
501 static int pci_go_44(struct pci_dev *pdev)
502 {
503 	int rc;
504 
505 	if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(44))) {
506 		rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(44));
507 		if (rc) {
508 			rc = pci_set_consistent_dma_mask(pdev,
509 				DMA_BIT_MASK(32));
510 			if (rc) {
511 				dev_printk(KERN_ERR, &pdev->dev,
512 					"44-bit DMA enable failed\n");
513 				return rc;
514 			}
515 		}
516 	} else {
517 		rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
518 		if (rc) {
519 			dev_printk(KERN_ERR, &pdev->dev,
520 				"32-bit DMA enable failed\n");
521 			return rc;
522 		}
523 		rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
524 		if (rc) {
525 			dev_printk(KERN_ERR, &pdev->dev,
526 				"32-bit consistent DMA enable failed\n");
527 			return rc;
528 		}
529 	}
530 	return rc;
531 }
532 
533 /**
534  * pm8001_prep_sas_ha_init - allocate memory in general hba struct && init them.
535  * @shost: scsi host which has been allocated outside.
536  * @chip_info: our ha struct.
537  */
538 static int pm8001_prep_sas_ha_init(struct Scsi_Host *shost,
539 				   const struct pm8001_chip_info *chip_info)
540 {
541 	int phy_nr, port_nr;
542 	struct asd_sas_phy **arr_phy;
543 	struct asd_sas_port **arr_port;
544 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
545 
546 	phy_nr = chip_info->n_phy;
547 	port_nr = phy_nr;
548 	memset(sha, 0x00, sizeof(*sha));
549 	arr_phy = kcalloc(phy_nr, sizeof(void *), GFP_KERNEL);
550 	if (!arr_phy)
551 		goto exit;
552 	arr_port = kcalloc(port_nr, sizeof(void *), GFP_KERNEL);
553 	if (!arr_port)
554 		goto exit_free2;
555 
556 	sha->sas_phy = arr_phy;
557 	sha->sas_port = arr_port;
558 	sha->lldd_ha = kzalloc(sizeof(struct pm8001_hba_info), GFP_KERNEL);
559 	if (!sha->lldd_ha)
560 		goto exit_free1;
561 
562 	shost->transportt = pm8001_stt;
563 	shost->max_id = PM8001_MAX_DEVICES;
564 	shost->max_lun = 8;
565 	shost->max_channel = 0;
566 	shost->unique_id = pm8001_id;
567 	shost->max_cmd_len = 16;
568 	shost->can_queue = PM8001_CAN_QUEUE;
569 	shost->cmd_per_lun = 32;
570 	return 0;
571 exit_free1:
572 	kfree(arr_port);
573 exit_free2:
574 	kfree(arr_phy);
575 exit:
576 	return -1;
577 }
578 
579 /**
580  * pm8001_post_sas_ha_init - initialize general hba struct defined in libsas
581  * @shost: scsi host which has been allocated outside
582  * @chip_info: our ha struct.
583  */
584 static void  pm8001_post_sas_ha_init(struct Scsi_Host *shost,
585 				     const struct pm8001_chip_info *chip_info)
586 {
587 	int i = 0;
588 	struct pm8001_hba_info *pm8001_ha;
589 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
590 
591 	pm8001_ha = sha->lldd_ha;
592 	for (i = 0; i < chip_info->n_phy; i++) {
593 		sha->sas_phy[i] = &pm8001_ha->phy[i].sas_phy;
594 		sha->sas_port[i] = &pm8001_ha->port[i].sas_port;
595 	}
596 	sha->sas_ha_name = DRV_NAME;
597 	sha->dev = pm8001_ha->dev;
598 
599 	sha->lldd_module = THIS_MODULE;
600 	sha->sas_addr = &pm8001_ha->sas_addr[0];
601 	sha->num_phys = chip_info->n_phy;
602 	sha->core.shost = shost;
603 }
604 
605 /**
606  * pm8001_init_sas_add - initialize sas address
607  * @chip_info: our ha struct.
608  *
609  * Currently we just set the fixed SAS address to our HBA,for manufacture,
610  * it should read from the EEPROM
611  */
612 static void pm8001_init_sas_add(struct pm8001_hba_info *pm8001_ha)
613 {
614 	u8 i, j;
615 #ifdef PM8001_READ_VPD
616 	/* For new SPC controllers WWN is stored in flash vpd
617 	*  For SPC/SPCve controllers WWN is stored in EEPROM
618 	*  For Older SPC WWN is stored in NVMD
619 	*/
620 	DECLARE_COMPLETION_ONSTACK(completion);
621 	struct pm8001_ioctl_payload payload;
622 	u16 deviceid;
623 	int rc;
624 
625 	pci_read_config_word(pm8001_ha->pdev, PCI_DEVICE_ID, &deviceid);
626 	pm8001_ha->nvmd_completion = &completion;
627 
628 	if (pm8001_ha->chip_id == chip_8001) {
629 		if (deviceid == 0x8081 || deviceid == 0x0042) {
630 			payload.minor_function = 4;
631 			payload.length = 4096;
632 		} else {
633 			payload.minor_function = 0;
634 			payload.length = 128;
635 		}
636 	} else {
637 		payload.minor_function = 1;
638 		payload.length = 4096;
639 	}
640 	payload.offset = 0;
641 	payload.func_specific = kzalloc(payload.length, GFP_KERNEL);
642 	if (!payload.func_specific) {
643 		PM8001_INIT_DBG(pm8001_ha, pm8001_printk("mem alloc fail\n"));
644 		return;
645 	}
646 	rc = PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload);
647 	if (rc) {
648 		kfree(payload.func_specific);
649 		PM8001_INIT_DBG(pm8001_ha, pm8001_printk("nvmd failed\n"));
650 		return;
651 	}
652 	wait_for_completion(&completion);
653 
654 	for (i = 0, j = 0; i <= 7; i++, j++) {
655 		if (pm8001_ha->chip_id == chip_8001) {
656 			if (deviceid == 0x8081)
657 				pm8001_ha->sas_addr[j] =
658 					payload.func_specific[0x704 + i];
659 			else if (deviceid == 0x0042)
660 				pm8001_ha->sas_addr[j] =
661 					payload.func_specific[0x010 + i];
662 		} else
663 			pm8001_ha->sas_addr[j] =
664 					payload.func_specific[0x804 + i];
665 	}
666 
667 	for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
668 		memcpy(&pm8001_ha->phy[i].dev_sas_addr,
669 			pm8001_ha->sas_addr, SAS_ADDR_SIZE);
670 		PM8001_INIT_DBG(pm8001_ha,
671 			pm8001_printk("phy %d sas_addr = %016llx\n", i,
672 			pm8001_ha->phy[i].dev_sas_addr));
673 	}
674 	kfree(payload.func_specific);
675 #else
676 	for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
677 		pm8001_ha->phy[i].dev_sas_addr = 0x50010c600047f9d0ULL;
678 		pm8001_ha->phy[i].dev_sas_addr =
679 			cpu_to_be64((u64)
680 				(*(u64 *)&pm8001_ha->phy[i].dev_sas_addr));
681 	}
682 	memcpy(pm8001_ha->sas_addr, &pm8001_ha->phy[0].dev_sas_addr,
683 		SAS_ADDR_SIZE);
684 #endif
685 }
686 
687 /*
688  * pm8001_get_phy_settings_info : Read phy setting values.
689  * @pm8001_ha : our hba.
690  */
691 static int pm8001_get_phy_settings_info(struct pm8001_hba_info *pm8001_ha)
692 {
693 
694 #ifdef PM8001_READ_VPD
695 	/*OPTION ROM FLASH read for the SPC cards */
696 	DECLARE_COMPLETION_ONSTACK(completion);
697 	struct pm8001_ioctl_payload payload;
698 	int rc;
699 
700 	pm8001_ha->nvmd_completion = &completion;
701 	/* SAS ADDRESS read from flash / EEPROM */
702 	payload.minor_function = 6;
703 	payload.offset = 0;
704 	payload.length = 4096;
705 	payload.func_specific = kzalloc(4096, GFP_KERNEL);
706 	if (!payload.func_specific)
707 		return -ENOMEM;
708 	/* Read phy setting values from flash */
709 	rc = PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload);
710 	if (rc) {
711 		kfree(payload.func_specific);
712 		PM8001_INIT_DBG(pm8001_ha, pm8001_printk("nvmd failed\n"));
713 		return -ENOMEM;
714 	}
715 	wait_for_completion(&completion);
716 	pm8001_set_phy_profile(pm8001_ha, sizeof(u8), payload.func_specific);
717 	kfree(payload.func_specific);
718 #endif
719 	return 0;
720 }
721 
722 #ifdef PM8001_USE_MSIX
723 /**
724  * pm8001_setup_msix - enable MSI-X interrupt
725  * @chip_info: our ha struct.
726  * @irq_handler: irq_handler
727  */
728 static u32 pm8001_setup_msix(struct pm8001_hba_info *pm8001_ha)
729 {
730 	u32 i = 0, j = 0;
731 	u32 number_of_intr;
732 	int flag = 0;
733 	u32 max_entry;
734 	int rc;
735 	static char intr_drvname[PM8001_MAX_MSIX_VEC][sizeof(DRV_NAME)+3];
736 
737 	/* SPCv controllers supports 64 msi-x */
738 	if (pm8001_ha->chip_id == chip_8001) {
739 		number_of_intr = 1;
740 	} else {
741 		number_of_intr = PM8001_MAX_MSIX_VEC;
742 		flag &= ~IRQF_SHARED;
743 	}
744 
745 	max_entry = sizeof(pm8001_ha->msix_entries) /
746 		sizeof(pm8001_ha->msix_entries[0]);
747 	for (i = 0; i < max_entry ; i++)
748 		pm8001_ha->msix_entries[i].entry = i;
749 	rc = pci_enable_msix_exact(pm8001_ha->pdev, pm8001_ha->msix_entries,
750 		number_of_intr);
751 	pm8001_ha->number_of_intr = number_of_intr;
752 	if (rc)
753 		return rc;
754 
755 	PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
756 		"pci_enable_msix_exact request ret:%d no of intr %d\n",
757 				rc, pm8001_ha->number_of_intr));
758 
759 	for (i = 0; i < number_of_intr; i++) {
760 		snprintf(intr_drvname[i], sizeof(intr_drvname[0]),
761 				DRV_NAME"%d", i);
762 		pm8001_ha->irq_vector[i].irq_id = i;
763 		pm8001_ha->irq_vector[i].drv_inst = pm8001_ha;
764 
765 		rc = request_irq(pm8001_ha->msix_entries[i].vector,
766 			pm8001_interrupt_handler_msix, flag,
767 			intr_drvname[i], &(pm8001_ha->irq_vector[i]));
768 		if (rc) {
769 			for (j = 0; j < i; j++) {
770 				free_irq(pm8001_ha->msix_entries[j].vector,
771 					&(pm8001_ha->irq_vector[i]));
772 			}
773 			pci_disable_msix(pm8001_ha->pdev);
774 			break;
775 		}
776 	}
777 
778 	return rc;
779 }
780 #endif
781 
782 /**
783  * pm8001_request_irq - register interrupt
784  * @chip_info: our ha struct.
785  */
786 static u32 pm8001_request_irq(struct pm8001_hba_info *pm8001_ha)
787 {
788 	struct pci_dev *pdev;
789 	int rc;
790 
791 	pdev = pm8001_ha->pdev;
792 
793 #ifdef PM8001_USE_MSIX
794 	if (pdev->msix_cap)
795 		return pm8001_setup_msix(pm8001_ha);
796 	else {
797 		PM8001_INIT_DBG(pm8001_ha,
798 			pm8001_printk("MSIX not supported!!!\n"));
799 		goto intx;
800 	}
801 #endif
802 
803 intx:
804 	/* initialize the INT-X interrupt */
805 	rc = request_irq(pdev->irq, pm8001_interrupt_handler_intx, IRQF_SHARED,
806 		DRV_NAME, SHOST_TO_SAS_HA(pm8001_ha->shost));
807 	return rc;
808 }
809 
810 /**
811  * pm8001_pci_probe - probe supported device
812  * @pdev: pci device which kernel has been prepared for.
813  * @ent: pci device id
814  *
815  * This function is the main initialization function, when register a new
816  * pci driver it is invoked, all struct an hardware initilization should be done
817  * here, also, register interrupt
818  */
819 static int pm8001_pci_probe(struct pci_dev *pdev,
820 			    const struct pci_device_id *ent)
821 {
822 	unsigned int rc;
823 	u32	pci_reg;
824 	u8	i = 0;
825 	struct pm8001_hba_info *pm8001_ha;
826 	struct Scsi_Host *shost = NULL;
827 	const struct pm8001_chip_info *chip;
828 
829 	dev_printk(KERN_INFO, &pdev->dev,
830 		"pm80xx: driver version %s\n", DRV_VERSION);
831 	rc = pci_enable_device(pdev);
832 	if (rc)
833 		goto err_out_enable;
834 	pci_set_master(pdev);
835 	/*
836 	 * Enable pci slot busmaster by setting pci command register.
837 	 * This is required by FW for Cyclone card.
838 	 */
839 
840 	pci_read_config_dword(pdev, PCI_COMMAND, &pci_reg);
841 	pci_reg |= 0x157;
842 	pci_write_config_dword(pdev, PCI_COMMAND, pci_reg);
843 	rc = pci_request_regions(pdev, DRV_NAME);
844 	if (rc)
845 		goto err_out_disable;
846 	rc = pci_go_44(pdev);
847 	if (rc)
848 		goto err_out_regions;
849 
850 	shost = scsi_host_alloc(&pm8001_sht, sizeof(void *));
851 	if (!shost) {
852 		rc = -ENOMEM;
853 		goto err_out_regions;
854 	}
855 	chip = &pm8001_chips[ent->driver_data];
856 	SHOST_TO_SAS_HA(shost) =
857 		kzalloc(sizeof(struct sas_ha_struct), GFP_KERNEL);
858 	if (!SHOST_TO_SAS_HA(shost)) {
859 		rc = -ENOMEM;
860 		goto err_out_free_host;
861 	}
862 
863 	rc = pm8001_prep_sas_ha_init(shost, chip);
864 	if (rc) {
865 		rc = -ENOMEM;
866 		goto err_out_free;
867 	}
868 	pci_set_drvdata(pdev, SHOST_TO_SAS_HA(shost));
869 	/* ent->driver variable is used to differentiate between controllers */
870 	pm8001_ha = pm8001_pci_alloc(pdev, ent, shost);
871 	if (!pm8001_ha) {
872 		rc = -ENOMEM;
873 		goto err_out_free;
874 	}
875 	list_add_tail(&pm8001_ha->list, &hba_list);
876 	PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha);
877 	rc = PM8001_CHIP_DISP->chip_init(pm8001_ha);
878 	if (rc) {
879 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk(
880 			"chip_init failed [ret: %d]\n", rc));
881 		goto err_out_ha_free;
882 	}
883 
884 	rc = scsi_add_host(shost, &pdev->dev);
885 	if (rc)
886 		goto err_out_ha_free;
887 	rc = pm8001_request_irq(pm8001_ha);
888 	if (rc)	{
889 		PM8001_FAIL_DBG(pm8001_ha, pm8001_printk(
890 			"pm8001_request_irq failed [ret: %d]\n", rc));
891 		goto err_out_shost;
892 	}
893 
894 	PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, 0);
895 	if (pm8001_ha->chip_id != chip_8001) {
896 		for (i = 1; i < pm8001_ha->number_of_intr; i++)
897 			PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, i);
898 		/* setup thermal configuration. */
899 		pm80xx_set_thermal_config(pm8001_ha);
900 	}
901 
902 	pm8001_init_sas_add(pm8001_ha);
903 	/* phy setting support for motherboard controller */
904 	if (pdev->subsystem_vendor != PCI_VENDOR_ID_ADAPTEC2 &&
905 		pdev->subsystem_vendor != 0) {
906 		rc = pm8001_get_phy_settings_info(pm8001_ha);
907 		if (rc)
908 			goto err_out_shost;
909 	}
910 	pm8001_post_sas_ha_init(shost, chip);
911 	rc = sas_register_ha(SHOST_TO_SAS_HA(shost));
912 	if (rc)
913 		goto err_out_shost;
914 	scsi_scan_host(pm8001_ha->shost);
915 	return 0;
916 
917 err_out_shost:
918 	scsi_remove_host(pm8001_ha->shost);
919 err_out_ha_free:
920 	pm8001_free(pm8001_ha);
921 err_out_free:
922 	kfree(SHOST_TO_SAS_HA(shost));
923 err_out_free_host:
924 	kfree(shost);
925 err_out_regions:
926 	pci_release_regions(pdev);
927 err_out_disable:
928 	pci_disable_device(pdev);
929 err_out_enable:
930 	return rc;
931 }
932 
933 static void pm8001_pci_remove(struct pci_dev *pdev)
934 {
935 	struct sas_ha_struct *sha = pci_get_drvdata(pdev);
936 	struct pm8001_hba_info *pm8001_ha;
937 	int i, j;
938 	pm8001_ha = sha->lldd_ha;
939 	sas_unregister_ha(sha);
940 	sas_remove_host(pm8001_ha->shost);
941 	list_del(&pm8001_ha->list);
942 	scsi_remove_host(pm8001_ha->shost);
943 	PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF);
944 	PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha);
945 
946 #ifdef PM8001_USE_MSIX
947 	for (i = 0; i < pm8001_ha->number_of_intr; i++)
948 		synchronize_irq(pm8001_ha->msix_entries[i].vector);
949 	for (i = 0; i < pm8001_ha->number_of_intr; i++)
950 		free_irq(pm8001_ha->msix_entries[i].vector,
951 				&(pm8001_ha->irq_vector[i]));
952 	pci_disable_msix(pdev);
953 #else
954 	free_irq(pm8001_ha->irq, sha);
955 #endif
956 #ifdef PM8001_USE_TASKLET
957 	/* For non-msix and msix interrupts */
958 	if ((!pdev->msix_cap) || (pm8001_ha->chip_id == chip_8001))
959 		tasklet_kill(&pm8001_ha->tasklet[0]);
960 	else
961 		for (j = 0; j < PM8001_MAX_MSIX_VEC; j++)
962 			tasklet_kill(&pm8001_ha->tasklet[j]);
963 #endif
964 	pm8001_free(pm8001_ha);
965 	kfree(sha->sas_phy);
966 	kfree(sha->sas_port);
967 	kfree(sha);
968 	pci_release_regions(pdev);
969 	pci_disable_device(pdev);
970 }
971 
972 /**
973  * pm8001_pci_suspend - power management suspend main entry point
974  * @pdev: PCI device struct
975  * @state: PM state change to (usually PCI_D3)
976  *
977  * Returns 0 success, anything else error.
978  */
979 static int pm8001_pci_suspend(struct pci_dev *pdev, pm_message_t state)
980 {
981 	struct sas_ha_struct *sha = pci_get_drvdata(pdev);
982 	struct pm8001_hba_info *pm8001_ha;
983 	int  i, j;
984 	u32 device_state;
985 	pm8001_ha = sha->lldd_ha;
986 	sas_suspend_ha(sha);
987 	flush_workqueue(pm8001_wq);
988 	scsi_block_requests(pm8001_ha->shost);
989 	if (!pdev->pm_cap) {
990 		dev_err(&pdev->dev, " PCI PM not supported\n");
991 		return -ENODEV;
992 	}
993 	PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF);
994 	PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha);
995 #ifdef PM8001_USE_MSIX
996 	for (i = 0; i < pm8001_ha->number_of_intr; i++)
997 		synchronize_irq(pm8001_ha->msix_entries[i].vector);
998 	for (i = 0; i < pm8001_ha->number_of_intr; i++)
999 		free_irq(pm8001_ha->msix_entries[i].vector,
1000 				&(pm8001_ha->irq_vector[i]));
1001 	pci_disable_msix(pdev);
1002 #else
1003 	free_irq(pm8001_ha->irq, sha);
1004 #endif
1005 #ifdef PM8001_USE_TASKLET
1006 	/* For non-msix and msix interrupts */
1007 	if ((!pdev->msix_cap) || (pm8001_ha->chip_id == chip_8001))
1008 		tasklet_kill(&pm8001_ha->tasklet[0]);
1009 	else
1010 		for (j = 0; j < PM8001_MAX_MSIX_VEC; j++)
1011 			tasklet_kill(&pm8001_ha->tasklet[j]);
1012 #endif
1013 	device_state = pci_choose_state(pdev, state);
1014 	pm8001_printk("pdev=0x%p, slot=%s, entering "
1015 		      "operating state [D%d]\n", pdev,
1016 		      pm8001_ha->name, device_state);
1017 	pci_save_state(pdev);
1018 	pci_disable_device(pdev);
1019 	pci_set_power_state(pdev, device_state);
1020 	return 0;
1021 }
1022 
1023 /**
1024  * pm8001_pci_resume - power management resume main entry point
1025  * @pdev: PCI device struct
1026  *
1027  * Returns 0 success, anything else error.
1028  */
1029 static int pm8001_pci_resume(struct pci_dev *pdev)
1030 {
1031 	struct sas_ha_struct *sha = pci_get_drvdata(pdev);
1032 	struct pm8001_hba_info *pm8001_ha;
1033 	int rc;
1034 	u8 i = 0, j;
1035 	u32 device_state;
1036 	DECLARE_COMPLETION_ONSTACK(completion);
1037 	pm8001_ha = sha->lldd_ha;
1038 	device_state = pdev->current_state;
1039 
1040 	pm8001_printk("pdev=0x%p, slot=%s, resuming from previous "
1041 		"operating state [D%d]\n", pdev, pm8001_ha->name, device_state);
1042 
1043 	pci_set_power_state(pdev, PCI_D0);
1044 	pci_enable_wake(pdev, PCI_D0, 0);
1045 	pci_restore_state(pdev);
1046 	rc = pci_enable_device(pdev);
1047 	if (rc) {
1048 		pm8001_printk("slot=%s Enable device failed during resume\n",
1049 			      pm8001_ha->name);
1050 		goto err_out_enable;
1051 	}
1052 
1053 	pci_set_master(pdev);
1054 	rc = pci_go_44(pdev);
1055 	if (rc)
1056 		goto err_out_disable;
1057 	sas_prep_resume_ha(sha);
1058 	/* chip soft rst only for spc */
1059 	if (pm8001_ha->chip_id == chip_8001) {
1060 		PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha);
1061 		PM8001_INIT_DBG(pm8001_ha,
1062 			pm8001_printk("chip soft reset successful\n"));
1063 	}
1064 	rc = PM8001_CHIP_DISP->chip_init(pm8001_ha);
1065 	if (rc)
1066 		goto err_out_disable;
1067 
1068 	/* disable all the interrupt bits */
1069 	PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF);
1070 
1071 	rc = pm8001_request_irq(pm8001_ha);
1072 	if (rc)
1073 		goto err_out_disable;
1074 #ifdef PM8001_USE_TASKLET
1075 	/*  Tasklet for non msi-x interrupt handler */
1076 	if ((!pdev->msix_cap) || (pm8001_ha->chip_id == chip_8001))
1077 		tasklet_init(&pm8001_ha->tasklet[0], pm8001_tasklet,
1078 			(unsigned long)&(pm8001_ha->irq_vector[0]));
1079 	else
1080 		for (j = 0; j < PM8001_MAX_MSIX_VEC; j++)
1081 			tasklet_init(&pm8001_ha->tasklet[j], pm8001_tasklet,
1082 				(unsigned long)&(pm8001_ha->irq_vector[j]));
1083 #endif
1084 	PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, 0);
1085 	if (pm8001_ha->chip_id != chip_8001) {
1086 		for (i = 1; i < pm8001_ha->number_of_intr; i++)
1087 			PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, i);
1088 	}
1089 	pm8001_ha->flags = PM8001F_RUN_TIME;
1090 	for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
1091 		pm8001_ha->phy[i].enable_completion = &completion;
1092 		PM8001_CHIP_DISP->phy_start_req(pm8001_ha, i);
1093 		wait_for_completion(&completion);
1094 	}
1095 	sas_resume_ha(sha);
1096 	return 0;
1097 
1098 err_out_disable:
1099 	scsi_remove_host(pm8001_ha->shost);
1100 	pci_disable_device(pdev);
1101 err_out_enable:
1102 	return rc;
1103 }
1104 
1105 /* update of pci device, vendor id and driver data with
1106  * unique value for each of the controller
1107  */
1108 static struct pci_device_id pm8001_pci_table[] = {
1109 	{ PCI_VDEVICE(PMC_Sierra, 0x8001), chip_8001 },
1110 	{ PCI_VDEVICE(ATTO, 0x0042), chip_8001 },
1111 	/* Support for SPC/SPCv/SPCve controllers */
1112 	{ PCI_VDEVICE(ADAPTEC2, 0x8001), chip_8001 },
1113 	{ PCI_VDEVICE(PMC_Sierra, 0x8008), chip_8008 },
1114 	{ PCI_VDEVICE(ADAPTEC2, 0x8008), chip_8008 },
1115 	{ PCI_VDEVICE(PMC_Sierra, 0x8018), chip_8018 },
1116 	{ PCI_VDEVICE(ADAPTEC2, 0x8018), chip_8018 },
1117 	{ PCI_VDEVICE(PMC_Sierra, 0x8009), chip_8009 },
1118 	{ PCI_VDEVICE(ADAPTEC2, 0x8009), chip_8009 },
1119 	{ PCI_VDEVICE(PMC_Sierra, 0x8019), chip_8019 },
1120 	{ PCI_VDEVICE(ADAPTEC2, 0x8019), chip_8019 },
1121 	{ PCI_VDEVICE(PMC_Sierra, 0x8074), chip_8074 },
1122 	{ PCI_VDEVICE(ADAPTEC2, 0x8074), chip_8074 },
1123 	{ PCI_VDEVICE(PMC_Sierra, 0x8076), chip_8076 },
1124 	{ PCI_VDEVICE(ADAPTEC2, 0x8076), chip_8076 },
1125 	{ PCI_VDEVICE(PMC_Sierra, 0x8077), chip_8077 },
1126 	{ PCI_VDEVICE(ADAPTEC2, 0x8077), chip_8077 },
1127 	{ PCI_VENDOR_ID_ADAPTEC2, 0x8081,
1128 		PCI_VENDOR_ID_ADAPTEC2, 0x0400, 0, 0, chip_8001 },
1129 	{ PCI_VENDOR_ID_ADAPTEC2, 0x8081,
1130 		PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8001 },
1131 	{ PCI_VENDOR_ID_ADAPTEC2, 0x8088,
1132 		PCI_VENDOR_ID_ADAPTEC2, 0x0008, 0, 0, chip_8008 },
1133 	{ PCI_VENDOR_ID_ADAPTEC2, 0x8088,
1134 		PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8008 },
1135 	{ PCI_VENDOR_ID_ADAPTEC2, 0x8089,
1136 		PCI_VENDOR_ID_ADAPTEC2, 0x0008, 0, 0, chip_8009 },
1137 	{ PCI_VENDOR_ID_ADAPTEC2, 0x8089,
1138 		PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8009 },
1139 	{ PCI_VENDOR_ID_ADAPTEC2, 0x8088,
1140 		PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8018 },
1141 	{ PCI_VENDOR_ID_ADAPTEC2, 0x8088,
1142 		PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8018 },
1143 	{ PCI_VENDOR_ID_ADAPTEC2, 0x8089,
1144 		PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8019 },
1145 	{ PCI_VENDOR_ID_ADAPTEC2, 0x8089,
1146 		PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8019 },
1147 	{ PCI_VENDOR_ID_ADAPTEC2, 0x8074,
1148 		PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8074 },
1149 	{ PCI_VENDOR_ID_ADAPTEC2, 0x8076,
1150 		PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8076 },
1151 	{ PCI_VENDOR_ID_ADAPTEC2, 0x8077,
1152 		PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8077 },
1153 	{ PCI_VENDOR_ID_ADAPTEC2, 0x8074,
1154 		PCI_VENDOR_ID_ADAPTEC2, 0x0008, 0, 0, chip_8074 },
1155 	{ PCI_VENDOR_ID_ADAPTEC2, 0x8076,
1156 		PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8076 },
1157 	{ PCI_VENDOR_ID_ADAPTEC2, 0x8077,
1158 		PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8077 },
1159 	{ PCI_VENDOR_ID_ADAPTEC2, 0x8076,
1160 		PCI_VENDOR_ID_ADAPTEC2, 0x0808, 0, 0, chip_8076 },
1161 	{ PCI_VENDOR_ID_ADAPTEC2, 0x8077,
1162 		PCI_VENDOR_ID_ADAPTEC2, 0x0808, 0, 0, chip_8077 },
1163 	{ PCI_VENDOR_ID_ADAPTEC2, 0x8074,
1164 		PCI_VENDOR_ID_ADAPTEC2, 0x0404, 0, 0, chip_8074 },
1165 	{} /* terminate list */
1166 };
1167 
1168 static struct pci_driver pm8001_pci_driver = {
1169 	.name		= DRV_NAME,
1170 	.id_table	= pm8001_pci_table,
1171 	.probe		= pm8001_pci_probe,
1172 	.remove		= pm8001_pci_remove,
1173 	.suspend	= pm8001_pci_suspend,
1174 	.resume		= pm8001_pci_resume,
1175 };
1176 
1177 /**
1178  *	pm8001_init - initialize scsi transport template
1179  */
1180 static int __init pm8001_init(void)
1181 {
1182 	int rc = -ENOMEM;
1183 
1184 	pm8001_wq = alloc_workqueue("pm80xx", 0, 0);
1185 	if (!pm8001_wq)
1186 		goto err;
1187 
1188 	pm8001_id = 0;
1189 	pm8001_stt = sas_domain_attach_transport(&pm8001_transport_ops);
1190 	if (!pm8001_stt)
1191 		goto err_wq;
1192 	rc = pci_register_driver(&pm8001_pci_driver);
1193 	if (rc)
1194 		goto err_tp;
1195 	return 0;
1196 
1197 err_tp:
1198 	sas_release_transport(pm8001_stt);
1199 err_wq:
1200 	destroy_workqueue(pm8001_wq);
1201 err:
1202 	return rc;
1203 }
1204 
1205 static void __exit pm8001_exit(void)
1206 {
1207 	pci_unregister_driver(&pm8001_pci_driver);
1208 	sas_release_transport(pm8001_stt);
1209 	destroy_workqueue(pm8001_wq);
1210 }
1211 
1212 module_init(pm8001_init);
1213 module_exit(pm8001_exit);
1214 
1215 MODULE_AUTHOR("Jack Wang <jack_wang@usish.com>");
1216 MODULE_AUTHOR("Anand Kumar Santhanam <AnandKumar.Santhanam@pmcs.com>");
1217 MODULE_AUTHOR("Sangeetha Gnanasekaran <Sangeetha.Gnanasekaran@pmcs.com>");
1218 MODULE_AUTHOR("Nikith Ganigarakoppal <Nikith.Ganigarakoppal@pmcs.com>");
1219 MODULE_DESCRIPTION(
1220 		"PMC-Sierra PM8001/8081/8088/8089/8074/8076/8077 "
1221 		"SAS/SATA controller driver");
1222 MODULE_VERSION(DRV_VERSION);
1223 MODULE_LICENSE("GPL");
1224 MODULE_DEVICE_TABLE(pci, pm8001_pci_table);
1225 
1226