2 * Aic94xx SAS/SATA driver initialization.
4 * Copyright (C) 2005 Adaptec, Inc. All rights reserved.
5 * Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com>
7 * This file is licensed under GPLv2.
9 * This file is part of the aic94xx driver.
11 * The aic94xx driver is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; version 2 of the
16 * The aic94xx driver is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with the aic94xx driver; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
27 #include <linux/module.h>
28 #include <linux/init.h>
29 #include <linux/kernel.h>
30 #include <linux/pci.h>
31 #include <linux/delay.h>
32 #include <linux/firmware.h>
33 #include <linux/slab.h>
35 #include <scsi/scsi_host.h>
38 #include "aic94xx_reg.h"
39 #include "aic94xx_hwi.h"
40 #include "aic94xx_seq.h"
41 #include "aic94xx_sds.h"
43 /* The format is "version.release.patchlevel" */
44 #define ASD_DRIVER_VERSION "1.0.3"
46 static int use_msi = 0;
47 module_param_named(use_msi, use_msi, int, S_IRUGO);
48 MODULE_PARM_DESC(use_msi, "\n"
49 "\tEnable(1) or disable(0) using PCI MSI.\n"
52 static struct scsi_transport_template *aic94xx_transport_template;
53 static int asd_scan_finished(struct Scsi_Host *, unsigned long);
54 static void asd_scan_start(struct Scsi_Host *);
56 static struct scsi_host_template aic94xx_sht = {
57 .module = THIS_MODULE,
58 /* .name is initialized */
60 .queuecommand = sas_queuecommand,
61 .target_alloc = sas_target_alloc,
62 .slave_configure = sas_slave_configure,
63 .scan_finished = asd_scan_finished,
64 .scan_start = asd_scan_start,
65 .change_queue_depth = sas_change_queue_depth,
66 .change_queue_type = sas_change_queue_type,
67 .bios_param = sas_bios_param,
71 .sg_tablesize = SG_ALL,
72 .max_sectors = SCSI_DEFAULT_MAX_SECTORS,
73 .use_clustering = ENABLE_CLUSTERING,
74 .eh_device_reset_handler = sas_eh_device_reset_handler,
75 .eh_bus_reset_handler = sas_eh_bus_reset_handler,
76 .target_destroy = sas_target_destroy,
79 .track_queue_depth = 1,
82 static int asd_map_memio(struct asd_ha_struct *asd_ha)
85 struct asd_ha_addrspace *io_handle;
88 for (i = 0; i < 3; i += 2) {
89 io_handle = &asd_ha->io_handle[i==0?0:1];
90 io_handle->start = pci_resource_start(asd_ha->pcidev, i);
91 io_handle->len = pci_resource_len(asd_ha->pcidev, i);
92 io_handle->flags = pci_resource_flags(asd_ha->pcidev, i);
94 if (!io_handle->start || !io_handle->len) {
95 asd_printk("MBAR%d start or length for %s is 0.\n",
96 i==0?0:1, pci_name(asd_ha->pcidev));
99 err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME);
101 asd_printk("couldn't reserve memory region for %s\n",
102 pci_name(asd_ha->pcidev));
105 if (io_handle->flags & IORESOURCE_CACHEABLE)
106 io_handle->addr = ioremap(io_handle->start,
109 io_handle->addr = ioremap_nocache(io_handle->start,
111 if (!io_handle->addr) {
112 asd_printk("couldn't map MBAR%d of %s\n", i==0?0:1,
113 pci_name(asd_ha->pcidev));
120 pci_release_region(asd_ha->pcidev, i);
123 io_handle = &asd_ha->io_handle[0];
124 iounmap(io_handle->addr);
125 pci_release_region(asd_ha->pcidev, 0);
130 static void asd_unmap_memio(struct asd_ha_struct *asd_ha)
132 struct asd_ha_addrspace *io_handle;
134 io_handle = &asd_ha->io_handle[1];
135 iounmap(io_handle->addr);
136 pci_release_region(asd_ha->pcidev, 2);
138 io_handle = &asd_ha->io_handle[0];
139 iounmap(io_handle->addr);
140 pci_release_region(asd_ha->pcidev, 0);
143 static int asd_map_ioport(struct asd_ha_struct *asd_ha)
145 int i = PCI_IOBAR_OFFSET, err;
146 struct asd_ha_addrspace *io_handle = &asd_ha->io_handle[0];
149 io_handle->start = pci_resource_start(asd_ha->pcidev, i);
150 io_handle->len = pci_resource_len(asd_ha->pcidev, i);
151 io_handle->flags = pci_resource_flags(asd_ha->pcidev, i);
152 io_handle->addr = (void __iomem *) io_handle->start;
153 if (!io_handle->start || !io_handle->len) {
154 asd_printk("couldn't get IO ports for %s\n",
155 pci_name(asd_ha->pcidev));
158 err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME);
160 asd_printk("couldn't reserve io space for %s\n",
161 pci_name(asd_ha->pcidev));
167 static void asd_unmap_ioport(struct asd_ha_struct *asd_ha)
169 pci_release_region(asd_ha->pcidev, PCI_IOBAR_OFFSET);
172 static int asd_map_ha(struct asd_ha_struct *asd_ha)
177 err = pci_read_config_word(asd_ha->pcidev, PCI_COMMAND, &cmd_reg);
179 asd_printk("couldn't read command register of %s\n",
180 pci_name(asd_ha->pcidev));
185 if (cmd_reg & PCI_COMMAND_MEMORY) {
186 if ((err = asd_map_memio(asd_ha)))
188 } else if (cmd_reg & PCI_COMMAND_IO) {
189 if ((err = asd_map_ioport(asd_ha)))
191 asd_printk("%s ioport mapped -- upgrade your hardware\n",
192 pci_name(asd_ha->pcidev));
194 asd_printk("no proper device access to %s\n",
195 pci_name(asd_ha->pcidev));
204 static void asd_unmap_ha(struct asd_ha_struct *asd_ha)
207 asd_unmap_ioport(asd_ha);
209 asd_unmap_memio(asd_ha);
212 static const char *asd_dev_rev[30] = {
218 static int asd_common_setup(struct asd_ha_struct *asd_ha)
222 asd_ha->revision_id = asd_ha->pcidev->revision;
225 if (asd_ha->revision_id < AIC9410_DEV_REV_B0) {
226 asd_printk("%s is revision %s (%X), which is not supported\n",
227 pci_name(asd_ha->pcidev),
228 asd_dev_rev[asd_ha->revision_id],
229 asd_ha->revision_id);
232 /* Provide some sane default values. */
233 asd_ha->hw_prof.max_scbs = 512;
234 asd_ha->hw_prof.max_ddbs = ASD_MAX_DDBS;
235 asd_ha->hw_prof.num_phys = ASD_MAX_PHYS;
236 /* All phys are enabled, by default. */
237 asd_ha->hw_prof.enabled_phys = 0xFF;
238 for (i = 0; i < ASD_MAX_PHYS; i++) {
239 asd_ha->hw_prof.phy_desc[i].max_sas_lrate =
240 SAS_LINK_RATE_3_0_GBPS;
241 asd_ha->hw_prof.phy_desc[i].min_sas_lrate =
242 SAS_LINK_RATE_1_5_GBPS;
243 asd_ha->hw_prof.phy_desc[i].max_sata_lrate =
244 SAS_LINK_RATE_1_5_GBPS;
245 asd_ha->hw_prof.phy_desc[i].min_sata_lrate =
246 SAS_LINK_RATE_1_5_GBPS;
254 static int asd_aic9410_setup(struct asd_ha_struct *asd_ha)
256 int err = asd_common_setup(asd_ha);
261 asd_ha->hw_prof.addr_range = 8;
262 asd_ha->hw_prof.port_name_base = 0;
263 asd_ha->hw_prof.dev_name_base = 8;
264 asd_ha->hw_prof.sata_name_base = 16;
269 static int asd_aic9405_setup(struct asd_ha_struct *asd_ha)
271 int err = asd_common_setup(asd_ha);
276 asd_ha->hw_prof.addr_range = 4;
277 asd_ha->hw_prof.port_name_base = 0;
278 asd_ha->hw_prof.dev_name_base = 4;
279 asd_ha->hw_prof.sata_name_base = 8;
284 static ssize_t asd_show_dev_rev(struct device *dev,
285 struct device_attribute *attr, char *buf)
287 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
288 return snprintf(buf, PAGE_SIZE, "%s\n",
289 asd_dev_rev[asd_ha->revision_id]);
291 static DEVICE_ATTR(revision, S_IRUGO, asd_show_dev_rev, NULL);
293 static ssize_t asd_show_dev_bios_build(struct device *dev,
294 struct device_attribute *attr,char *buf)
296 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
297 return snprintf(buf, PAGE_SIZE, "%d\n", asd_ha->hw_prof.bios.bld);
299 static DEVICE_ATTR(bios_build, S_IRUGO, asd_show_dev_bios_build, NULL);
301 static ssize_t asd_show_dev_pcba_sn(struct device *dev,
302 struct device_attribute *attr, char *buf)
304 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
305 return snprintf(buf, PAGE_SIZE, "%s\n", asd_ha->hw_prof.pcba_sn);
307 static DEVICE_ATTR(pcba_sn, S_IRUGO, asd_show_dev_pcba_sn, NULL);
309 #define FLASH_CMD_NONE 0x00
310 #define FLASH_CMD_UPDATE 0x01
311 #define FLASH_CMD_VERIFY 0x02
313 struct flash_command {
318 static struct flash_command flash_command_table[] =
320 {"verify", FLASH_CMD_VERIFY},
321 {"update", FLASH_CMD_UPDATE},
322 {"", FLASH_CMD_NONE} /* Last entry should be NULL. */
330 static struct error_bios flash_error_table[] =
332 {"Failed to open bios image file", FAIL_OPEN_BIOS_FILE},
333 {"PCI ID mismatch", FAIL_CHECK_PCI_ID},
334 {"Checksum mismatch", FAIL_CHECK_SUM},
335 {"Unknown Error", FAIL_UNKNOWN},
336 {"Failed to verify.", FAIL_VERIFY},
337 {"Failed to reset flash chip.", FAIL_RESET_FLASH},
338 {"Failed to find flash chip type.", FAIL_FIND_FLASH_ID},
339 {"Failed to erash flash chip.", FAIL_ERASE_FLASH},
340 {"Failed to program flash chip.", FAIL_WRITE_FLASH},
341 {"Flash in progress", FLASH_IN_PROGRESS},
342 {"Image file size Error", FAIL_FILE_SIZE},
343 {"Input parameter error", FAIL_PARAMETERS},
344 {"Out of memory", FAIL_OUT_MEMORY},
345 {"OK", 0} /* Last entry err_code = 0. */
348 static ssize_t asd_store_update_bios(struct device *dev,
349 struct device_attribute *attr,
350 const char *buf, size_t count)
352 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
353 char *cmd_ptr, *filename_ptr;
354 struct bios_file_header header, *hdr_ptr;
357 int flash_command = FLASH_CMD_NONE;
360 cmd_ptr = kzalloc(count*2, GFP_KERNEL);
363 err = FAIL_OUT_MEMORY;
367 filename_ptr = cmd_ptr + count;
368 res = sscanf(buf, "%s %s", cmd_ptr, filename_ptr);
370 err = FAIL_PARAMETERS;
374 for (i = 0; flash_command_table[i].code != FLASH_CMD_NONE; i++) {
375 if (!memcmp(flash_command_table[i].command,
376 cmd_ptr, strlen(cmd_ptr))) {
377 flash_command = flash_command_table[i].code;
381 if (flash_command == FLASH_CMD_NONE) {
382 err = FAIL_PARAMETERS;
386 if (asd_ha->bios_status == FLASH_IN_PROGRESS) {
387 err = FLASH_IN_PROGRESS;
390 err = request_firmware(&asd_ha->bios_image,
392 &asd_ha->pcidev->dev);
394 asd_printk("Failed to load bios image file %s, error %d\n",
396 err = FAIL_OPEN_BIOS_FILE;
400 hdr_ptr = (struct bios_file_header *)asd_ha->bios_image->data;
402 if ((hdr_ptr->contrl_id.vendor != asd_ha->pcidev->vendor ||
403 hdr_ptr->contrl_id.device != asd_ha->pcidev->device) &&
404 (hdr_ptr->contrl_id.sub_vendor != asd_ha->pcidev->vendor ||
405 hdr_ptr->contrl_id.sub_device != asd_ha->pcidev->device)) {
407 ASD_DPRINTK("The PCI vendor or device id does not match\n");
408 ASD_DPRINTK("vendor=%x dev=%x sub_vendor=%x sub_dev=%x"
409 " pci vendor=%x pci dev=%x\n",
410 hdr_ptr->contrl_id.vendor,
411 hdr_ptr->contrl_id.device,
412 hdr_ptr->contrl_id.sub_vendor,
413 hdr_ptr->contrl_id.sub_device,
414 asd_ha->pcidev->vendor,
415 asd_ha->pcidev->device);
416 err = FAIL_CHECK_PCI_ID;
420 if (hdr_ptr->filelen != asd_ha->bios_image->size) {
421 err = FAIL_FILE_SIZE;
425 /* calculate checksum */
426 for (i = 0; i < hdr_ptr->filelen; i++)
427 csum += asd_ha->bios_image->data[i];
429 if ((csum & 0x0000ffff) != hdr_ptr->checksum) {
430 ASD_DPRINTK("BIOS file checksum mismatch\n");
431 err = FAIL_CHECK_SUM;
434 if (flash_command == FLASH_CMD_UPDATE) {
435 asd_ha->bios_status = FLASH_IN_PROGRESS;
436 err = asd_write_flash_seg(asd_ha,
437 &asd_ha->bios_image->data[sizeof(*hdr_ptr)],
438 0, hdr_ptr->filelen-sizeof(*hdr_ptr));
440 err = asd_verify_flash_seg(asd_ha,
441 &asd_ha->bios_image->data[sizeof(*hdr_ptr)],
442 0, hdr_ptr->filelen-sizeof(*hdr_ptr));
444 asd_ha->bios_status = FLASH_IN_PROGRESS;
445 err = asd_verify_flash_seg(asd_ha,
446 &asd_ha->bios_image->data[sizeof(header)],
447 0, hdr_ptr->filelen-sizeof(header));
451 release_firmware(asd_ha->bios_image);
455 asd_ha->bios_status = err;
463 static ssize_t asd_show_update_bios(struct device *dev,
464 struct device_attribute *attr, char *buf)
467 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
469 for (i = 0; flash_error_table[i].err_code != 0; i++) {
470 if (flash_error_table[i].err_code == asd_ha->bios_status)
473 if (asd_ha->bios_status != FLASH_IN_PROGRESS)
474 asd_ha->bios_status = FLASH_OK;
476 return snprintf(buf, PAGE_SIZE, "status=%x %s\n",
477 flash_error_table[i].err_code,
478 flash_error_table[i].reason);
481 static DEVICE_ATTR(update_bios, S_IRUGO|S_IWUSR,
482 asd_show_update_bios, asd_store_update_bios);
484 static int asd_create_dev_attrs(struct asd_ha_struct *asd_ha)
488 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_revision);
492 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
496 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
499 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_update_bios);
501 goto err_update_bios;
506 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
508 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
510 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_revision);
514 static void asd_remove_dev_attrs(struct asd_ha_struct *asd_ha)
516 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_revision);
517 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
518 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
519 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_update_bios);
522 /* The first entry, 0, is used for dynamic ids, the rest for devices
525 static const struct asd_pcidev_struct {
527 int (*setup)(struct asd_ha_struct *asd_ha);
528 } asd_pcidev_data[] = {
529 /* Id 0 is used for dynamic ids. */
530 { .name = "Adaptec AIC-94xx SAS/SATA Host Adapter",
531 .setup = asd_aic9410_setup
533 { .name = "Adaptec AIC-9410W SAS/SATA Host Adapter",
534 .setup = asd_aic9410_setup
536 { .name = "Adaptec AIC-9405W SAS/SATA Host Adapter",
537 .setup = asd_aic9405_setup
541 static int asd_create_ha_caches(struct asd_ha_struct *asd_ha)
543 asd_ha->scb_pool = dma_pool_create(ASD_DRIVER_NAME "_scb_pool",
544 &asd_ha->pcidev->dev,
547 if (!asd_ha->scb_pool) {
548 asd_printk("couldn't create scb pool\n");
556 * asd_free_edbs -- free empty data buffers
557 * asd_ha: pointer to host adapter structure
559 static void asd_free_edbs(struct asd_ha_struct *asd_ha)
561 struct asd_seq_data *seq = &asd_ha->seq;
564 for (i = 0; i < seq->num_edbs; i++)
565 asd_free_coherent(asd_ha, seq->edb_arr[i]);
570 static void asd_free_escbs(struct asd_ha_struct *asd_ha)
572 struct asd_seq_data *seq = &asd_ha->seq;
575 for (i = 0; i < seq->num_escbs; i++) {
576 if (!list_empty(&seq->escb_arr[i]->list))
577 list_del_init(&seq->escb_arr[i]->list);
579 asd_ascb_free(seq->escb_arr[i]);
581 kfree(seq->escb_arr);
582 seq->escb_arr = NULL;
585 static void asd_destroy_ha_caches(struct asd_ha_struct *asd_ha)
589 if (asd_ha->hw_prof.ddb_ext)
590 asd_free_coherent(asd_ha, asd_ha->hw_prof.ddb_ext);
591 if (asd_ha->hw_prof.scb_ext)
592 asd_free_coherent(asd_ha, asd_ha->hw_prof.scb_ext);
594 if (asd_ha->hw_prof.ddb_bitmap)
595 kfree(asd_ha->hw_prof.ddb_bitmap);
596 asd_ha->hw_prof.ddb_bitmap = NULL;
598 for (i = 0; i < ASD_MAX_PHYS; i++) {
599 struct asd_phy *phy = &asd_ha->phys[i];
601 asd_free_coherent(asd_ha, phy->id_frm_tok);
603 if (asd_ha->seq.escb_arr)
604 asd_free_escbs(asd_ha);
605 if (asd_ha->seq.edb_arr)
606 asd_free_edbs(asd_ha);
607 if (asd_ha->hw_prof.ue.area) {
608 kfree(asd_ha->hw_prof.ue.area);
609 asd_ha->hw_prof.ue.area = NULL;
611 if (asd_ha->seq.tc_index_array) {
612 kfree(asd_ha->seq.tc_index_array);
613 kfree(asd_ha->seq.tc_index_bitmap);
614 asd_ha->seq.tc_index_array = NULL;
615 asd_ha->seq.tc_index_bitmap = NULL;
617 if (asd_ha->seq.actual_dl) {
618 asd_free_coherent(asd_ha, asd_ha->seq.actual_dl);
619 asd_ha->seq.actual_dl = NULL;
620 asd_ha->seq.dl = NULL;
622 if (asd_ha->seq.next_scb.vaddr) {
623 dma_pool_free(asd_ha->scb_pool, asd_ha->seq.next_scb.vaddr,
624 asd_ha->seq.next_scb.dma_handle);
625 asd_ha->seq.next_scb.vaddr = NULL;
627 dma_pool_destroy(asd_ha->scb_pool);
628 asd_ha->scb_pool = NULL;
631 struct kmem_cache *asd_dma_token_cache;
632 struct kmem_cache *asd_ascb_cache;
634 static int asd_create_global_caches(void)
636 if (!asd_dma_token_cache) {
638 = kmem_cache_create(ASD_DRIVER_NAME "_dma_token",
639 sizeof(struct asd_dma_tok),
643 if (!asd_dma_token_cache) {
644 asd_printk("couldn't create dma token cache\n");
649 if (!asd_ascb_cache) {
650 asd_ascb_cache = kmem_cache_create(ASD_DRIVER_NAME "_ascb",
651 sizeof(struct asd_ascb),
655 if (!asd_ascb_cache) {
656 asd_printk("couldn't create ascb cache\n");
663 kmem_cache_destroy(asd_dma_token_cache);
664 asd_dma_token_cache = NULL;
668 static void asd_destroy_global_caches(void)
670 if (asd_dma_token_cache)
671 kmem_cache_destroy(asd_dma_token_cache);
672 asd_dma_token_cache = NULL;
675 kmem_cache_destroy(asd_ascb_cache);
676 asd_ascb_cache = NULL;
679 static int asd_register_sas_ha(struct asd_ha_struct *asd_ha)
682 struct asd_sas_phy **sas_phys =
683 kcalloc(ASD_MAX_PHYS, sizeof(*sas_phys), GFP_KERNEL);
684 struct asd_sas_port **sas_ports =
685 kcalloc(ASD_MAX_PHYS, sizeof(*sas_ports), GFP_KERNEL);
687 if (!sas_phys || !sas_ports) {
693 asd_ha->sas_ha.sas_ha_name = (char *) asd_ha->name;
694 asd_ha->sas_ha.lldd_module = THIS_MODULE;
695 asd_ha->sas_ha.sas_addr = &asd_ha->hw_prof.sas_addr[0];
697 for (i = 0; i < ASD_MAX_PHYS; i++) {
698 sas_phys[i] = &asd_ha->phys[i].sas_phy;
699 sas_ports[i] = &asd_ha->ports[i];
702 asd_ha->sas_ha.sas_phy = sas_phys;
703 asd_ha->sas_ha.sas_port= sas_ports;
704 asd_ha->sas_ha.num_phys= ASD_MAX_PHYS;
706 return sas_register_ha(&asd_ha->sas_ha);
709 static int asd_unregister_sas_ha(struct asd_ha_struct *asd_ha)
713 err = sas_unregister_ha(&asd_ha->sas_ha);
715 sas_remove_host(asd_ha->sas_ha.core.shost);
716 scsi_remove_host(asd_ha->sas_ha.core.shost);
717 scsi_host_put(asd_ha->sas_ha.core.shost);
719 kfree(asd_ha->sas_ha.sas_phy);
720 kfree(asd_ha->sas_ha.sas_port);
725 static int asd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
727 const struct asd_pcidev_struct *asd_dev;
728 unsigned asd_id = (unsigned) id->driver_data;
729 struct asd_ha_struct *asd_ha;
730 struct Scsi_Host *shost;
733 if (asd_id >= ARRAY_SIZE(asd_pcidev_data)) {
734 asd_printk("wrong driver_data in PCI table\n");
738 if ((err = pci_enable_device(dev))) {
739 asd_printk("couldn't enable device %s\n", pci_name(dev));
747 shost = scsi_host_alloc(&aic94xx_sht, sizeof(void *));
751 asd_dev = &asd_pcidev_data[asd_id];
753 asd_ha = kzalloc(sizeof(*asd_ha), GFP_KERNEL);
755 asd_printk("out of memory\n");
758 asd_ha->pcidev = dev;
759 asd_ha->sas_ha.dev = &asd_ha->pcidev->dev;
760 asd_ha->sas_ha.lldd_ha = asd_ha;
762 asd_ha->bios_status = FLASH_OK;
763 asd_ha->name = asd_dev->name;
764 asd_printk("found %s, device %s\n", asd_ha->name, pci_name(dev));
766 SHOST_TO_SAS_HA(shost) = &asd_ha->sas_ha;
767 asd_ha->sas_ha.core.shost = shost;
768 shost->transportt = aic94xx_transport_template;
771 shost->max_cmd_len = 16;
773 err = scsi_add_host(shost, &dev->dev);
777 err = asd_dev->setup(asd_ha);
782 if (!pci_set_dma_mask(dev, DMA_BIT_MASK(64))
783 && !pci_set_consistent_dma_mask(dev, DMA_BIT_MASK(64)))
785 else if (!pci_set_dma_mask(dev, DMA_BIT_MASK(32))
786 && !pci_set_consistent_dma_mask(dev, DMA_BIT_MASK(32)))
789 asd_printk("no suitable DMA mask for %s\n", pci_name(dev));
793 pci_set_drvdata(dev, asd_ha);
795 err = asd_map_ha(asd_ha);
799 err = asd_create_ha_caches(asd_ha);
803 err = asd_init_hw(asd_ha);
807 asd_printk("device %s: SAS addr %llx, PCBA SN %s, %d phys, %d enabled "
808 "phys, flash %s, BIOS %s%d\n",
809 pci_name(dev), SAS_ADDR(asd_ha->hw_prof.sas_addr),
810 asd_ha->hw_prof.pcba_sn, asd_ha->hw_prof.max_phys,
811 asd_ha->hw_prof.num_phys,
812 asd_ha->hw_prof.flash.present ? "present" : "not present",
813 asd_ha->hw_prof.bios.present ? "build " : "not present",
814 asd_ha->hw_prof.bios.bld);
816 shost->can_queue = asd_ha->seq.can_queue;
819 pci_enable_msi(asd_ha->pcidev);
821 err = request_irq(asd_ha->pcidev->irq, asd_hw_isr, IRQF_SHARED,
822 ASD_DRIVER_NAME, asd_ha);
824 asd_printk("couldn't get irq %d for %s\n",
825 asd_ha->pcidev->irq, pci_name(asd_ha->pcidev));
828 asd_enable_ints(asd_ha);
830 err = asd_init_post_escbs(asd_ha);
832 asd_printk("couldn't post escbs for %s\n",
833 pci_name(asd_ha->pcidev));
836 ASD_DPRINTK("escbs posted\n");
838 err = asd_create_dev_attrs(asd_ha);
842 err = asd_register_sas_ha(asd_ha);
846 scsi_scan_host(shost);
851 asd_remove_dev_attrs(asd_ha);
854 asd_disable_ints(asd_ha);
855 free_irq(dev->irq, asd_ha);
858 pci_disable_msi(dev);
859 asd_chip_hardrst(asd_ha);
861 asd_destroy_ha_caches(asd_ha);
863 asd_unmap_ha(asd_ha);
865 scsi_remove_host(shost);
869 scsi_host_put(shost);
871 pci_disable_device(dev);
875 static void asd_free_queues(struct asd_ha_struct *asd_ha)
879 struct list_head *n, *pos;
881 spin_lock_irqsave(&asd_ha->seq.pend_q_lock, flags);
882 asd_ha->seq.pending = 0;
883 list_splice_init(&asd_ha->seq.pend_q, &pending);
884 spin_unlock_irqrestore(&asd_ha->seq.pend_q_lock, flags);
886 if (!list_empty(&pending))
887 ASD_DPRINTK("Uh-oh! Pending is not empty!\n");
889 list_for_each_safe(pos, n, &pending) {
890 struct asd_ascb *ascb = list_entry(pos, struct asd_ascb, list);
892 * Delete unexpired ascb timers. This may happen if we issue
893 * a CONTROL PHY scb to an adapter and rmmod before the scb
894 * times out. Apparently we don't wait for the CONTROL PHY
895 * to complete, so it doesn't matter if we kill the timer.
897 del_timer_sync(&ascb->timer);
898 WARN_ON(ascb->scb->header.opcode != CONTROL_PHY);
901 ASD_DPRINTK("freeing from pending\n");
906 static void asd_turn_off_leds(struct asd_ha_struct *asd_ha)
908 u8 phy_mask = asd_ha->hw_prof.enabled_phys;
911 for_each_phy(phy_mask, phy_mask, i) {
912 asd_turn_led(asd_ha, i, 0);
913 asd_control_led(asd_ha, i, 0);
917 static void asd_pci_remove(struct pci_dev *dev)
919 struct asd_ha_struct *asd_ha = pci_get_drvdata(dev);
924 asd_unregister_sas_ha(asd_ha);
926 asd_disable_ints(asd_ha);
928 asd_remove_dev_attrs(asd_ha);
930 /* XXX more here as needed */
932 free_irq(dev->irq, asd_ha);
934 pci_disable_msi(asd_ha->pcidev);
935 asd_turn_off_leds(asd_ha);
936 asd_chip_hardrst(asd_ha);
937 asd_free_queues(asd_ha);
938 asd_destroy_ha_caches(asd_ha);
939 asd_unmap_ha(asd_ha);
941 pci_disable_device(dev);
945 static void asd_scan_start(struct Scsi_Host *shost)
947 struct asd_ha_struct *asd_ha;
950 asd_ha = SHOST_TO_SAS_HA(shost)->lldd_ha;
951 err = asd_enable_phys(asd_ha, asd_ha->hw_prof.enabled_phys);
953 asd_printk("Couldn't enable phys, err:%d\n", err);
956 static int asd_scan_finished(struct Scsi_Host *shost, unsigned long time)
958 /* give the phy enabling interrupt event time to come in (1s
959 * is empirically about all it takes) */
962 /* Wait for discovery to finish */
963 sas_drain_work(SHOST_TO_SAS_HA(shost));
967 static ssize_t asd_version_show(struct device_driver *driver, char *buf)
969 return snprintf(buf, PAGE_SIZE, "%s\n", ASD_DRIVER_VERSION);
971 static DRIVER_ATTR(version, S_IRUGO, asd_version_show, NULL);
973 static int asd_create_driver_attrs(struct device_driver *driver)
975 return driver_create_file(driver, &driver_attr_version);
978 static void asd_remove_driver_attrs(struct device_driver *driver)
980 driver_remove_file(driver, &driver_attr_version);
983 static struct sas_domain_function_template aic94xx_transport_functions = {
984 .lldd_dev_found = asd_dev_found,
985 .lldd_dev_gone = asd_dev_gone,
987 .lldd_execute_task = asd_execute_task,
989 .lldd_abort_task = asd_abort_task,
990 .lldd_abort_task_set = asd_abort_task_set,
991 .lldd_clear_aca = asd_clear_aca,
992 .lldd_clear_task_set = asd_clear_task_set,
993 .lldd_I_T_nexus_reset = asd_I_T_nexus_reset,
994 .lldd_lu_reset = asd_lu_reset,
995 .lldd_query_task = asd_query_task,
997 .lldd_clear_nexus_port = asd_clear_nexus_port,
998 .lldd_clear_nexus_ha = asd_clear_nexus_ha,
1000 .lldd_control_phy = asd_control_phy,
1002 .lldd_ata_set_dmamode = asd_set_dmamode,
1005 static const struct pci_device_id aic94xx_pci_table[] = {
1006 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x410),0, 0, 1},
1007 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x412),0, 0, 1},
1008 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x416),0, 0, 1},
1009 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x41E),0, 0, 1},
1010 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x41F),0, 0, 1},
1011 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x430),0, 0, 2},
1012 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x432),0, 0, 2},
1013 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x43E),0, 0, 2},
1014 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x43F),0, 0, 2},
1018 MODULE_DEVICE_TABLE(pci, aic94xx_pci_table);
1020 static struct pci_driver aic94xx_pci_driver = {
1021 .name = ASD_DRIVER_NAME,
1022 .id_table = aic94xx_pci_table,
1023 .probe = asd_pci_probe,
1024 .remove = asd_pci_remove,
1027 static int __init aic94xx_init(void)
1032 asd_printk("%s version %s loaded\n", ASD_DRIVER_DESCRIPTION,
1033 ASD_DRIVER_VERSION);
1035 err = asd_create_global_caches();
1039 aic94xx_transport_template =
1040 sas_domain_attach_transport(&aic94xx_transport_functions);
1041 if (!aic94xx_transport_template)
1042 goto out_destroy_caches;
1044 err = pci_register_driver(&aic94xx_pci_driver);
1046 goto out_release_transport;
1048 err = asd_create_driver_attrs(&aic94xx_pci_driver.driver);
1050 goto out_unregister_pcidrv;
1054 out_unregister_pcidrv:
1055 pci_unregister_driver(&aic94xx_pci_driver);
1056 out_release_transport:
1057 sas_release_transport(aic94xx_transport_template);
1059 asd_destroy_global_caches();
1064 static void __exit aic94xx_exit(void)
1066 asd_remove_driver_attrs(&aic94xx_pci_driver.driver);
1067 pci_unregister_driver(&aic94xx_pci_driver);
1068 sas_release_transport(aic94xx_transport_template);
1069 asd_release_firmware();
1070 asd_destroy_global_caches();
1071 asd_printk("%s version %s unloaded\n", ASD_DRIVER_DESCRIPTION,
1072 ASD_DRIVER_VERSION);
1075 module_init(aic94xx_init);
1076 module_exit(aic94xx_exit);
1078 MODULE_AUTHOR("Luben Tuikov <luben_tuikov@adaptec.com>");
1079 MODULE_DESCRIPTION(ASD_DRIVER_DESCRIPTION);
1080 MODULE_LICENSE("GPL v2");
1081 MODULE_VERSION(ASD_DRIVER_VERSION);