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 .bios_param = sas_bios_param,
69 .sg_tablesize = SG_ALL,
70 .max_sectors = SCSI_DEFAULT_MAX_SECTORS,
71 .use_clustering = ENABLE_CLUSTERING,
72 .eh_device_reset_handler = sas_eh_device_reset_handler,
73 .eh_bus_reset_handler = sas_eh_bus_reset_handler,
74 .target_destroy = sas_target_destroy,
77 .track_queue_depth = 1,
80 static int asd_map_memio(struct asd_ha_struct *asd_ha)
83 struct asd_ha_addrspace *io_handle;
86 for (i = 0; i < 3; i += 2) {
87 io_handle = &asd_ha->io_handle[i==0?0:1];
88 io_handle->start = pci_resource_start(asd_ha->pcidev, i);
89 io_handle->len = pci_resource_len(asd_ha->pcidev, i);
90 io_handle->flags = pci_resource_flags(asd_ha->pcidev, i);
92 if (!io_handle->start || !io_handle->len) {
93 asd_printk("MBAR%d start or length for %s is 0.\n",
94 i==0?0:1, pci_name(asd_ha->pcidev));
97 err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME);
99 asd_printk("couldn't reserve memory region for %s\n",
100 pci_name(asd_ha->pcidev));
103 if (io_handle->flags & IORESOURCE_CACHEABLE)
104 io_handle->addr = ioremap(io_handle->start,
107 io_handle->addr = ioremap_nocache(io_handle->start,
109 if (!io_handle->addr) {
110 asd_printk("couldn't map MBAR%d of %s\n", i==0?0:1,
111 pci_name(asd_ha->pcidev));
118 pci_release_region(asd_ha->pcidev, i);
121 io_handle = &asd_ha->io_handle[0];
122 iounmap(io_handle->addr);
123 pci_release_region(asd_ha->pcidev, 0);
128 static void asd_unmap_memio(struct asd_ha_struct *asd_ha)
130 struct asd_ha_addrspace *io_handle;
132 io_handle = &asd_ha->io_handle[1];
133 iounmap(io_handle->addr);
134 pci_release_region(asd_ha->pcidev, 2);
136 io_handle = &asd_ha->io_handle[0];
137 iounmap(io_handle->addr);
138 pci_release_region(asd_ha->pcidev, 0);
141 static int asd_map_ioport(struct asd_ha_struct *asd_ha)
143 int i = PCI_IOBAR_OFFSET, err;
144 struct asd_ha_addrspace *io_handle = &asd_ha->io_handle[0];
147 io_handle->start = pci_resource_start(asd_ha->pcidev, i);
148 io_handle->len = pci_resource_len(asd_ha->pcidev, i);
149 io_handle->flags = pci_resource_flags(asd_ha->pcidev, i);
150 io_handle->addr = (void __iomem *) io_handle->start;
151 if (!io_handle->start || !io_handle->len) {
152 asd_printk("couldn't get IO ports for %s\n",
153 pci_name(asd_ha->pcidev));
156 err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME);
158 asd_printk("couldn't reserve io space for %s\n",
159 pci_name(asd_ha->pcidev));
165 static void asd_unmap_ioport(struct asd_ha_struct *asd_ha)
167 pci_release_region(asd_ha->pcidev, PCI_IOBAR_OFFSET);
170 static int asd_map_ha(struct asd_ha_struct *asd_ha)
175 err = pci_read_config_word(asd_ha->pcidev, PCI_COMMAND, &cmd_reg);
177 asd_printk("couldn't read command register of %s\n",
178 pci_name(asd_ha->pcidev));
183 if (cmd_reg & PCI_COMMAND_MEMORY) {
184 if ((err = asd_map_memio(asd_ha)))
186 } else if (cmd_reg & PCI_COMMAND_IO) {
187 if ((err = asd_map_ioport(asd_ha)))
189 asd_printk("%s ioport mapped -- upgrade your hardware\n",
190 pci_name(asd_ha->pcidev));
192 asd_printk("no proper device access to %s\n",
193 pci_name(asd_ha->pcidev));
202 static void asd_unmap_ha(struct asd_ha_struct *asd_ha)
205 asd_unmap_ioport(asd_ha);
207 asd_unmap_memio(asd_ha);
210 static const char *asd_dev_rev[30] = {
216 static int asd_common_setup(struct asd_ha_struct *asd_ha)
220 asd_ha->revision_id = asd_ha->pcidev->revision;
223 if (asd_ha->revision_id < AIC9410_DEV_REV_B0) {
224 asd_printk("%s is revision %s (%X), which is not supported\n",
225 pci_name(asd_ha->pcidev),
226 asd_dev_rev[asd_ha->revision_id],
227 asd_ha->revision_id);
230 /* Provide some sane default values. */
231 asd_ha->hw_prof.max_scbs = 512;
232 asd_ha->hw_prof.max_ddbs = ASD_MAX_DDBS;
233 asd_ha->hw_prof.num_phys = ASD_MAX_PHYS;
234 /* All phys are enabled, by default. */
235 asd_ha->hw_prof.enabled_phys = 0xFF;
236 for (i = 0; i < ASD_MAX_PHYS; i++) {
237 asd_ha->hw_prof.phy_desc[i].max_sas_lrate =
238 SAS_LINK_RATE_3_0_GBPS;
239 asd_ha->hw_prof.phy_desc[i].min_sas_lrate =
240 SAS_LINK_RATE_1_5_GBPS;
241 asd_ha->hw_prof.phy_desc[i].max_sata_lrate =
242 SAS_LINK_RATE_1_5_GBPS;
243 asd_ha->hw_prof.phy_desc[i].min_sata_lrate =
244 SAS_LINK_RATE_1_5_GBPS;
252 static int asd_aic9410_setup(struct asd_ha_struct *asd_ha)
254 int err = asd_common_setup(asd_ha);
259 asd_ha->hw_prof.addr_range = 8;
260 asd_ha->hw_prof.port_name_base = 0;
261 asd_ha->hw_prof.dev_name_base = 8;
262 asd_ha->hw_prof.sata_name_base = 16;
267 static int asd_aic9405_setup(struct asd_ha_struct *asd_ha)
269 int err = asd_common_setup(asd_ha);
274 asd_ha->hw_prof.addr_range = 4;
275 asd_ha->hw_prof.port_name_base = 0;
276 asd_ha->hw_prof.dev_name_base = 4;
277 asd_ha->hw_prof.sata_name_base = 8;
282 static ssize_t asd_show_dev_rev(struct device *dev,
283 struct device_attribute *attr, char *buf)
285 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
286 return snprintf(buf, PAGE_SIZE, "%s\n",
287 asd_dev_rev[asd_ha->revision_id]);
289 static DEVICE_ATTR(revision, S_IRUGO, asd_show_dev_rev, NULL);
291 static ssize_t asd_show_dev_bios_build(struct device *dev,
292 struct device_attribute *attr,char *buf)
294 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
295 return snprintf(buf, PAGE_SIZE, "%d\n", asd_ha->hw_prof.bios.bld);
297 static DEVICE_ATTR(bios_build, S_IRUGO, asd_show_dev_bios_build, NULL);
299 static ssize_t asd_show_dev_pcba_sn(struct device *dev,
300 struct device_attribute *attr, char *buf)
302 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
303 return snprintf(buf, PAGE_SIZE, "%s\n", asd_ha->hw_prof.pcba_sn);
305 static DEVICE_ATTR(pcba_sn, S_IRUGO, asd_show_dev_pcba_sn, NULL);
307 #define FLASH_CMD_NONE 0x00
308 #define FLASH_CMD_UPDATE 0x01
309 #define FLASH_CMD_VERIFY 0x02
311 struct flash_command {
316 static struct flash_command flash_command_table[] =
318 {"verify", FLASH_CMD_VERIFY},
319 {"update", FLASH_CMD_UPDATE},
320 {"", FLASH_CMD_NONE} /* Last entry should be NULL. */
328 static struct error_bios flash_error_table[] =
330 {"Failed to open bios image file", FAIL_OPEN_BIOS_FILE},
331 {"PCI ID mismatch", FAIL_CHECK_PCI_ID},
332 {"Checksum mismatch", FAIL_CHECK_SUM},
333 {"Unknown Error", FAIL_UNKNOWN},
334 {"Failed to verify.", FAIL_VERIFY},
335 {"Failed to reset flash chip.", FAIL_RESET_FLASH},
336 {"Failed to find flash chip type.", FAIL_FIND_FLASH_ID},
337 {"Failed to erash flash chip.", FAIL_ERASE_FLASH},
338 {"Failed to program flash chip.", FAIL_WRITE_FLASH},
339 {"Flash in progress", FLASH_IN_PROGRESS},
340 {"Image file size Error", FAIL_FILE_SIZE},
341 {"Input parameter error", FAIL_PARAMETERS},
342 {"Out of memory", FAIL_OUT_MEMORY},
343 {"OK", 0} /* Last entry err_code = 0. */
346 static ssize_t asd_store_update_bios(struct device *dev,
347 struct device_attribute *attr,
348 const char *buf, size_t count)
350 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
351 char *cmd_ptr, *filename_ptr;
352 struct bios_file_header header, *hdr_ptr;
355 int flash_command = FLASH_CMD_NONE;
358 cmd_ptr = kzalloc(count*2, GFP_KERNEL);
361 err = FAIL_OUT_MEMORY;
365 filename_ptr = cmd_ptr + count;
366 res = sscanf(buf, "%s %s", cmd_ptr, filename_ptr);
368 err = FAIL_PARAMETERS;
372 for (i = 0; flash_command_table[i].code != FLASH_CMD_NONE; i++) {
373 if (!memcmp(flash_command_table[i].command,
374 cmd_ptr, strlen(cmd_ptr))) {
375 flash_command = flash_command_table[i].code;
379 if (flash_command == FLASH_CMD_NONE) {
380 err = FAIL_PARAMETERS;
384 if (asd_ha->bios_status == FLASH_IN_PROGRESS) {
385 err = FLASH_IN_PROGRESS;
388 err = request_firmware(&asd_ha->bios_image,
390 &asd_ha->pcidev->dev);
392 asd_printk("Failed to load bios image file %s, error %d\n",
394 err = FAIL_OPEN_BIOS_FILE;
398 hdr_ptr = (struct bios_file_header *)asd_ha->bios_image->data;
400 if ((hdr_ptr->contrl_id.vendor != asd_ha->pcidev->vendor ||
401 hdr_ptr->contrl_id.device != asd_ha->pcidev->device) &&
402 (hdr_ptr->contrl_id.sub_vendor != asd_ha->pcidev->vendor ||
403 hdr_ptr->contrl_id.sub_device != asd_ha->pcidev->device)) {
405 ASD_DPRINTK("The PCI vendor or device id does not match\n");
406 ASD_DPRINTK("vendor=%x dev=%x sub_vendor=%x sub_dev=%x"
407 " pci vendor=%x pci dev=%x\n",
408 hdr_ptr->contrl_id.vendor,
409 hdr_ptr->contrl_id.device,
410 hdr_ptr->contrl_id.sub_vendor,
411 hdr_ptr->contrl_id.sub_device,
412 asd_ha->pcidev->vendor,
413 asd_ha->pcidev->device);
414 err = FAIL_CHECK_PCI_ID;
418 if (hdr_ptr->filelen != asd_ha->bios_image->size) {
419 err = FAIL_FILE_SIZE;
423 /* calculate checksum */
424 for (i = 0; i < hdr_ptr->filelen; i++)
425 csum += asd_ha->bios_image->data[i];
427 if ((csum & 0x0000ffff) != hdr_ptr->checksum) {
428 ASD_DPRINTK("BIOS file checksum mismatch\n");
429 err = FAIL_CHECK_SUM;
432 if (flash_command == FLASH_CMD_UPDATE) {
433 asd_ha->bios_status = FLASH_IN_PROGRESS;
434 err = asd_write_flash_seg(asd_ha,
435 &asd_ha->bios_image->data[sizeof(*hdr_ptr)],
436 0, hdr_ptr->filelen-sizeof(*hdr_ptr));
438 err = asd_verify_flash_seg(asd_ha,
439 &asd_ha->bios_image->data[sizeof(*hdr_ptr)],
440 0, hdr_ptr->filelen-sizeof(*hdr_ptr));
442 asd_ha->bios_status = FLASH_IN_PROGRESS;
443 err = asd_verify_flash_seg(asd_ha,
444 &asd_ha->bios_image->data[sizeof(header)],
445 0, hdr_ptr->filelen-sizeof(header));
449 release_firmware(asd_ha->bios_image);
453 asd_ha->bios_status = err;
461 static ssize_t asd_show_update_bios(struct device *dev,
462 struct device_attribute *attr, char *buf)
465 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
467 for (i = 0; flash_error_table[i].err_code != 0; i++) {
468 if (flash_error_table[i].err_code == asd_ha->bios_status)
471 if (asd_ha->bios_status != FLASH_IN_PROGRESS)
472 asd_ha->bios_status = FLASH_OK;
474 return snprintf(buf, PAGE_SIZE, "status=%x %s\n",
475 flash_error_table[i].err_code,
476 flash_error_table[i].reason);
479 static DEVICE_ATTR(update_bios, S_IRUGO|S_IWUSR,
480 asd_show_update_bios, asd_store_update_bios);
482 static int asd_create_dev_attrs(struct asd_ha_struct *asd_ha)
486 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_revision);
490 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
494 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
497 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_update_bios);
499 goto err_update_bios;
504 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
506 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
508 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_revision);
512 static void asd_remove_dev_attrs(struct asd_ha_struct *asd_ha)
514 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_revision);
515 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
516 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
517 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_update_bios);
520 /* The first entry, 0, is used for dynamic ids, the rest for devices
523 static const struct asd_pcidev_struct {
525 int (*setup)(struct asd_ha_struct *asd_ha);
526 } asd_pcidev_data[] = {
527 /* Id 0 is used for dynamic ids. */
528 { .name = "Adaptec AIC-94xx SAS/SATA Host Adapter",
529 .setup = asd_aic9410_setup
531 { .name = "Adaptec AIC-9410W SAS/SATA Host Adapter",
532 .setup = asd_aic9410_setup
534 { .name = "Adaptec AIC-9405W SAS/SATA Host Adapter",
535 .setup = asd_aic9405_setup
539 static int asd_create_ha_caches(struct asd_ha_struct *asd_ha)
541 asd_ha->scb_pool = dma_pool_create(ASD_DRIVER_NAME "_scb_pool",
542 &asd_ha->pcidev->dev,
545 if (!asd_ha->scb_pool) {
546 asd_printk("couldn't create scb pool\n");
554 * asd_free_edbs -- free empty data buffers
555 * asd_ha: pointer to host adapter structure
557 static void asd_free_edbs(struct asd_ha_struct *asd_ha)
559 struct asd_seq_data *seq = &asd_ha->seq;
562 for (i = 0; i < seq->num_edbs; i++)
563 asd_free_coherent(asd_ha, seq->edb_arr[i]);
568 static void asd_free_escbs(struct asd_ha_struct *asd_ha)
570 struct asd_seq_data *seq = &asd_ha->seq;
573 for (i = 0; i < seq->num_escbs; i++) {
574 if (!list_empty(&seq->escb_arr[i]->list))
575 list_del_init(&seq->escb_arr[i]->list);
577 asd_ascb_free(seq->escb_arr[i]);
579 kfree(seq->escb_arr);
580 seq->escb_arr = NULL;
583 static void asd_destroy_ha_caches(struct asd_ha_struct *asd_ha)
587 if (asd_ha->hw_prof.ddb_ext)
588 asd_free_coherent(asd_ha, asd_ha->hw_prof.ddb_ext);
589 if (asd_ha->hw_prof.scb_ext)
590 asd_free_coherent(asd_ha, asd_ha->hw_prof.scb_ext);
592 if (asd_ha->hw_prof.ddb_bitmap)
593 kfree(asd_ha->hw_prof.ddb_bitmap);
594 asd_ha->hw_prof.ddb_bitmap = NULL;
596 for (i = 0; i < ASD_MAX_PHYS; i++) {
597 struct asd_phy *phy = &asd_ha->phys[i];
599 asd_free_coherent(asd_ha, phy->id_frm_tok);
601 if (asd_ha->seq.escb_arr)
602 asd_free_escbs(asd_ha);
603 if (asd_ha->seq.edb_arr)
604 asd_free_edbs(asd_ha);
605 if (asd_ha->hw_prof.ue.area) {
606 kfree(asd_ha->hw_prof.ue.area);
607 asd_ha->hw_prof.ue.area = NULL;
609 if (asd_ha->seq.tc_index_array) {
610 kfree(asd_ha->seq.tc_index_array);
611 kfree(asd_ha->seq.tc_index_bitmap);
612 asd_ha->seq.tc_index_array = NULL;
613 asd_ha->seq.tc_index_bitmap = NULL;
615 if (asd_ha->seq.actual_dl) {
616 asd_free_coherent(asd_ha, asd_ha->seq.actual_dl);
617 asd_ha->seq.actual_dl = NULL;
618 asd_ha->seq.dl = NULL;
620 if (asd_ha->seq.next_scb.vaddr) {
621 dma_pool_free(asd_ha->scb_pool, asd_ha->seq.next_scb.vaddr,
622 asd_ha->seq.next_scb.dma_handle);
623 asd_ha->seq.next_scb.vaddr = NULL;
625 dma_pool_destroy(asd_ha->scb_pool);
626 asd_ha->scb_pool = NULL;
629 struct kmem_cache *asd_dma_token_cache;
630 struct kmem_cache *asd_ascb_cache;
632 static int asd_create_global_caches(void)
634 if (!asd_dma_token_cache) {
636 = kmem_cache_create(ASD_DRIVER_NAME "_dma_token",
637 sizeof(struct asd_dma_tok),
641 if (!asd_dma_token_cache) {
642 asd_printk("couldn't create dma token cache\n");
647 if (!asd_ascb_cache) {
648 asd_ascb_cache = kmem_cache_create(ASD_DRIVER_NAME "_ascb",
649 sizeof(struct asd_ascb),
653 if (!asd_ascb_cache) {
654 asd_printk("couldn't create ascb cache\n");
661 kmem_cache_destroy(asd_dma_token_cache);
662 asd_dma_token_cache = NULL;
666 static void asd_destroy_global_caches(void)
668 if (asd_dma_token_cache)
669 kmem_cache_destroy(asd_dma_token_cache);
670 asd_dma_token_cache = NULL;
673 kmem_cache_destroy(asd_ascb_cache);
674 asd_ascb_cache = NULL;
677 static int asd_register_sas_ha(struct asd_ha_struct *asd_ha)
680 struct asd_sas_phy **sas_phys =
681 kcalloc(ASD_MAX_PHYS, sizeof(*sas_phys), GFP_KERNEL);
682 struct asd_sas_port **sas_ports =
683 kcalloc(ASD_MAX_PHYS, sizeof(*sas_ports), GFP_KERNEL);
685 if (!sas_phys || !sas_ports) {
691 asd_ha->sas_ha.sas_ha_name = (char *) asd_ha->name;
692 asd_ha->sas_ha.lldd_module = THIS_MODULE;
693 asd_ha->sas_ha.sas_addr = &asd_ha->hw_prof.sas_addr[0];
695 for (i = 0; i < ASD_MAX_PHYS; i++) {
696 sas_phys[i] = &asd_ha->phys[i].sas_phy;
697 sas_ports[i] = &asd_ha->ports[i];
700 asd_ha->sas_ha.sas_phy = sas_phys;
701 asd_ha->sas_ha.sas_port= sas_ports;
702 asd_ha->sas_ha.num_phys= ASD_MAX_PHYS;
704 return sas_register_ha(&asd_ha->sas_ha);
707 static int asd_unregister_sas_ha(struct asd_ha_struct *asd_ha)
711 err = sas_unregister_ha(&asd_ha->sas_ha);
713 sas_remove_host(asd_ha->sas_ha.core.shost);
714 scsi_remove_host(asd_ha->sas_ha.core.shost);
715 scsi_host_put(asd_ha->sas_ha.core.shost);
717 kfree(asd_ha->sas_ha.sas_phy);
718 kfree(asd_ha->sas_ha.sas_port);
723 static int asd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
725 const struct asd_pcidev_struct *asd_dev;
726 unsigned asd_id = (unsigned) id->driver_data;
727 struct asd_ha_struct *asd_ha;
728 struct Scsi_Host *shost;
731 if (asd_id >= ARRAY_SIZE(asd_pcidev_data)) {
732 asd_printk("wrong driver_data in PCI table\n");
736 if ((err = pci_enable_device(dev))) {
737 asd_printk("couldn't enable device %s\n", pci_name(dev));
745 shost = scsi_host_alloc(&aic94xx_sht, sizeof(void *));
749 asd_dev = &asd_pcidev_data[asd_id];
751 asd_ha = kzalloc(sizeof(*asd_ha), GFP_KERNEL);
753 asd_printk("out of memory\n");
756 asd_ha->pcidev = dev;
757 asd_ha->sas_ha.dev = &asd_ha->pcidev->dev;
758 asd_ha->sas_ha.lldd_ha = asd_ha;
760 asd_ha->bios_status = FLASH_OK;
761 asd_ha->name = asd_dev->name;
762 asd_printk("found %s, device %s\n", asd_ha->name, pci_name(dev));
764 SHOST_TO_SAS_HA(shost) = &asd_ha->sas_ha;
765 asd_ha->sas_ha.core.shost = shost;
766 shost->transportt = aic94xx_transport_template;
769 shost->max_cmd_len = 16;
771 err = scsi_add_host(shost, &dev->dev);
775 err = asd_dev->setup(asd_ha);
780 if (!pci_set_dma_mask(dev, DMA_BIT_MASK(64))
781 && !pci_set_consistent_dma_mask(dev, DMA_BIT_MASK(64)))
783 else if (!pci_set_dma_mask(dev, DMA_BIT_MASK(32))
784 && !pci_set_consistent_dma_mask(dev, DMA_BIT_MASK(32)))
787 asd_printk("no suitable DMA mask for %s\n", pci_name(dev));
791 pci_set_drvdata(dev, asd_ha);
793 err = asd_map_ha(asd_ha);
797 err = asd_create_ha_caches(asd_ha);
801 err = asd_init_hw(asd_ha);
805 asd_printk("device %s: SAS addr %llx, PCBA SN %s, %d phys, %d enabled "
806 "phys, flash %s, BIOS %s%d\n",
807 pci_name(dev), SAS_ADDR(asd_ha->hw_prof.sas_addr),
808 asd_ha->hw_prof.pcba_sn, asd_ha->hw_prof.max_phys,
809 asd_ha->hw_prof.num_phys,
810 asd_ha->hw_prof.flash.present ? "present" : "not present",
811 asd_ha->hw_prof.bios.present ? "build " : "not present",
812 asd_ha->hw_prof.bios.bld);
814 shost->can_queue = asd_ha->seq.can_queue;
817 pci_enable_msi(asd_ha->pcidev);
819 err = request_irq(asd_ha->pcidev->irq, asd_hw_isr, IRQF_SHARED,
820 ASD_DRIVER_NAME, asd_ha);
822 asd_printk("couldn't get irq %d for %s\n",
823 asd_ha->pcidev->irq, pci_name(asd_ha->pcidev));
826 asd_enable_ints(asd_ha);
828 err = asd_init_post_escbs(asd_ha);
830 asd_printk("couldn't post escbs for %s\n",
831 pci_name(asd_ha->pcidev));
834 ASD_DPRINTK("escbs posted\n");
836 err = asd_create_dev_attrs(asd_ha);
840 err = asd_register_sas_ha(asd_ha);
844 scsi_scan_host(shost);
849 asd_remove_dev_attrs(asd_ha);
852 asd_disable_ints(asd_ha);
853 free_irq(dev->irq, asd_ha);
856 pci_disable_msi(dev);
857 asd_chip_hardrst(asd_ha);
859 asd_destroy_ha_caches(asd_ha);
861 asd_unmap_ha(asd_ha);
863 scsi_remove_host(shost);
867 scsi_host_put(shost);
869 pci_disable_device(dev);
873 static void asd_free_queues(struct asd_ha_struct *asd_ha)
877 struct list_head *n, *pos;
879 spin_lock_irqsave(&asd_ha->seq.pend_q_lock, flags);
880 asd_ha->seq.pending = 0;
881 list_splice_init(&asd_ha->seq.pend_q, &pending);
882 spin_unlock_irqrestore(&asd_ha->seq.pend_q_lock, flags);
884 if (!list_empty(&pending))
885 ASD_DPRINTK("Uh-oh! Pending is not empty!\n");
887 list_for_each_safe(pos, n, &pending) {
888 struct asd_ascb *ascb = list_entry(pos, struct asd_ascb, list);
890 * Delete unexpired ascb timers. This may happen if we issue
891 * a CONTROL PHY scb to an adapter and rmmod before the scb
892 * times out. Apparently we don't wait for the CONTROL PHY
893 * to complete, so it doesn't matter if we kill the timer.
895 del_timer_sync(&ascb->timer);
896 WARN_ON(ascb->scb->header.opcode != CONTROL_PHY);
899 ASD_DPRINTK("freeing from pending\n");
904 static void asd_turn_off_leds(struct asd_ha_struct *asd_ha)
906 u8 phy_mask = asd_ha->hw_prof.enabled_phys;
909 for_each_phy(phy_mask, phy_mask, i) {
910 asd_turn_led(asd_ha, i, 0);
911 asd_control_led(asd_ha, i, 0);
915 static void asd_pci_remove(struct pci_dev *dev)
917 struct asd_ha_struct *asd_ha = pci_get_drvdata(dev);
922 asd_unregister_sas_ha(asd_ha);
924 asd_disable_ints(asd_ha);
926 asd_remove_dev_attrs(asd_ha);
928 /* XXX more here as needed */
930 free_irq(dev->irq, asd_ha);
932 pci_disable_msi(asd_ha->pcidev);
933 asd_turn_off_leds(asd_ha);
934 asd_chip_hardrst(asd_ha);
935 asd_free_queues(asd_ha);
936 asd_destroy_ha_caches(asd_ha);
937 asd_unmap_ha(asd_ha);
939 pci_disable_device(dev);
943 static void asd_scan_start(struct Scsi_Host *shost)
945 struct asd_ha_struct *asd_ha;
948 asd_ha = SHOST_TO_SAS_HA(shost)->lldd_ha;
949 err = asd_enable_phys(asd_ha, asd_ha->hw_prof.enabled_phys);
951 asd_printk("Couldn't enable phys, err:%d\n", err);
954 static int asd_scan_finished(struct Scsi_Host *shost, unsigned long time)
956 /* give the phy enabling interrupt event time to come in (1s
957 * is empirically about all it takes) */
960 /* Wait for discovery to finish */
961 sas_drain_work(SHOST_TO_SAS_HA(shost));
965 static ssize_t asd_version_show(struct device_driver *driver, char *buf)
967 return snprintf(buf, PAGE_SIZE, "%s\n", ASD_DRIVER_VERSION);
969 static DRIVER_ATTR(version, S_IRUGO, asd_version_show, NULL);
971 static int asd_create_driver_attrs(struct device_driver *driver)
973 return driver_create_file(driver, &driver_attr_version);
976 static void asd_remove_driver_attrs(struct device_driver *driver)
978 driver_remove_file(driver, &driver_attr_version);
981 static struct sas_domain_function_template aic94xx_transport_functions = {
982 .lldd_dev_found = asd_dev_found,
983 .lldd_dev_gone = asd_dev_gone,
985 .lldd_execute_task = asd_execute_task,
987 .lldd_abort_task = asd_abort_task,
988 .lldd_abort_task_set = asd_abort_task_set,
989 .lldd_clear_aca = asd_clear_aca,
990 .lldd_clear_task_set = asd_clear_task_set,
991 .lldd_I_T_nexus_reset = asd_I_T_nexus_reset,
992 .lldd_lu_reset = asd_lu_reset,
993 .lldd_query_task = asd_query_task,
995 .lldd_clear_nexus_port = asd_clear_nexus_port,
996 .lldd_clear_nexus_ha = asd_clear_nexus_ha,
998 .lldd_control_phy = asd_control_phy,
1000 .lldd_ata_set_dmamode = asd_set_dmamode,
1003 static const struct pci_device_id aic94xx_pci_table[] = {
1004 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x410),0, 0, 1},
1005 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x412),0, 0, 1},
1006 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x416),0, 0, 1},
1007 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x41E),0, 0, 1},
1008 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x41F),0, 0, 1},
1009 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x430),0, 0, 2},
1010 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x432),0, 0, 2},
1011 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x43E),0, 0, 2},
1012 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x43F),0, 0, 2},
1016 MODULE_DEVICE_TABLE(pci, aic94xx_pci_table);
1018 static struct pci_driver aic94xx_pci_driver = {
1019 .name = ASD_DRIVER_NAME,
1020 .id_table = aic94xx_pci_table,
1021 .probe = asd_pci_probe,
1022 .remove = asd_pci_remove,
1025 static int __init aic94xx_init(void)
1030 asd_printk("%s version %s loaded\n", ASD_DRIVER_DESCRIPTION,
1031 ASD_DRIVER_VERSION);
1033 err = asd_create_global_caches();
1037 aic94xx_transport_template =
1038 sas_domain_attach_transport(&aic94xx_transport_functions);
1039 if (!aic94xx_transport_template)
1040 goto out_destroy_caches;
1042 err = pci_register_driver(&aic94xx_pci_driver);
1044 goto out_release_transport;
1046 err = asd_create_driver_attrs(&aic94xx_pci_driver.driver);
1048 goto out_unregister_pcidrv;
1052 out_unregister_pcidrv:
1053 pci_unregister_driver(&aic94xx_pci_driver);
1054 out_release_transport:
1055 sas_release_transport(aic94xx_transport_template);
1057 asd_destroy_global_caches();
1062 static void __exit aic94xx_exit(void)
1064 asd_remove_driver_attrs(&aic94xx_pci_driver.driver);
1065 pci_unregister_driver(&aic94xx_pci_driver);
1066 sas_release_transport(aic94xx_transport_template);
1067 asd_release_firmware();
1068 asd_destroy_global_caches();
1069 asd_printk("%s version %s unloaded\n", ASD_DRIVER_DESCRIPTION,
1070 ASD_DRIVER_VERSION);
1073 module_init(aic94xx_init);
1074 module_exit(aic94xx_exit);
1076 MODULE_AUTHOR("Luben Tuikov <luben_tuikov@adaptec.com>");
1077 MODULE_DESCRIPTION(ASD_DRIVER_DESCRIPTION);
1078 MODULE_LICENSE("GPL v2");
1079 MODULE_VERSION(ASD_DRIVER_VERSION);