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 .eh_device_reset_handler = sas_eh_device_reset_handler,
72 .eh_target_reset_handler = sas_eh_target_reset_handler,
73 .target_destroy = sas_target_destroy,
75 .track_queue_depth = 1,
78 static int asd_map_memio(struct asd_ha_struct *asd_ha)
81 struct asd_ha_addrspace *io_handle;
84 for (i = 0; i < 3; i += 2) {
85 io_handle = &asd_ha->io_handle[i==0?0:1];
86 io_handle->start = pci_resource_start(asd_ha->pcidev, i);
87 io_handle->len = pci_resource_len(asd_ha->pcidev, i);
88 io_handle->flags = pci_resource_flags(asd_ha->pcidev, i);
90 if (!io_handle->start || !io_handle->len) {
91 asd_printk("MBAR%d start or length for %s is 0.\n",
92 i==0?0:1, pci_name(asd_ha->pcidev));
95 err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME);
97 asd_printk("couldn't reserve memory region for %s\n",
98 pci_name(asd_ha->pcidev));
101 io_handle->addr = ioremap(io_handle->start, io_handle->len);
102 if (!io_handle->addr) {
103 asd_printk("couldn't map MBAR%d of %s\n", i==0?0:1,
104 pci_name(asd_ha->pcidev));
112 pci_release_region(asd_ha->pcidev, i);
115 io_handle = &asd_ha->io_handle[0];
116 iounmap(io_handle->addr);
117 pci_release_region(asd_ha->pcidev, 0);
122 static void asd_unmap_memio(struct asd_ha_struct *asd_ha)
124 struct asd_ha_addrspace *io_handle;
126 io_handle = &asd_ha->io_handle[1];
127 iounmap(io_handle->addr);
128 pci_release_region(asd_ha->pcidev, 2);
130 io_handle = &asd_ha->io_handle[0];
131 iounmap(io_handle->addr);
132 pci_release_region(asd_ha->pcidev, 0);
135 static int asd_map_ioport(struct asd_ha_struct *asd_ha)
137 int i = PCI_IOBAR_OFFSET, err;
138 struct asd_ha_addrspace *io_handle = &asd_ha->io_handle[0];
141 io_handle->start = pci_resource_start(asd_ha->pcidev, i);
142 io_handle->len = pci_resource_len(asd_ha->pcidev, i);
143 io_handle->flags = pci_resource_flags(asd_ha->pcidev, i);
144 io_handle->addr = (void __iomem *) io_handle->start;
145 if (!io_handle->start || !io_handle->len) {
146 asd_printk("couldn't get IO ports for %s\n",
147 pci_name(asd_ha->pcidev));
150 err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME);
152 asd_printk("couldn't reserve io space for %s\n",
153 pci_name(asd_ha->pcidev));
159 static void asd_unmap_ioport(struct asd_ha_struct *asd_ha)
161 pci_release_region(asd_ha->pcidev, PCI_IOBAR_OFFSET);
164 static int asd_map_ha(struct asd_ha_struct *asd_ha)
169 err = pci_read_config_word(asd_ha->pcidev, PCI_COMMAND, &cmd_reg);
171 asd_printk("couldn't read command register of %s\n",
172 pci_name(asd_ha->pcidev));
177 if (cmd_reg & PCI_COMMAND_MEMORY) {
178 if ((err = asd_map_memio(asd_ha)))
180 } else if (cmd_reg & PCI_COMMAND_IO) {
181 if ((err = asd_map_ioport(asd_ha)))
183 asd_printk("%s ioport mapped -- upgrade your hardware\n",
184 pci_name(asd_ha->pcidev));
186 asd_printk("no proper device access to %s\n",
187 pci_name(asd_ha->pcidev));
196 static void asd_unmap_ha(struct asd_ha_struct *asd_ha)
199 asd_unmap_ioport(asd_ha);
201 asd_unmap_memio(asd_ha);
204 static const char *asd_dev_rev[30] = {
210 static int asd_common_setup(struct asd_ha_struct *asd_ha)
214 asd_ha->revision_id = asd_ha->pcidev->revision;
217 if (asd_ha->revision_id < AIC9410_DEV_REV_B0) {
218 asd_printk("%s is revision %s (%X), which is not supported\n",
219 pci_name(asd_ha->pcidev),
220 asd_dev_rev[asd_ha->revision_id],
221 asd_ha->revision_id);
224 /* Provide some sane default values. */
225 asd_ha->hw_prof.max_scbs = 512;
226 asd_ha->hw_prof.max_ddbs = ASD_MAX_DDBS;
227 asd_ha->hw_prof.num_phys = ASD_MAX_PHYS;
228 /* All phys are enabled, by default. */
229 asd_ha->hw_prof.enabled_phys = 0xFF;
230 for (i = 0; i < ASD_MAX_PHYS; i++) {
231 asd_ha->hw_prof.phy_desc[i].max_sas_lrate =
232 SAS_LINK_RATE_3_0_GBPS;
233 asd_ha->hw_prof.phy_desc[i].min_sas_lrate =
234 SAS_LINK_RATE_1_5_GBPS;
235 asd_ha->hw_prof.phy_desc[i].max_sata_lrate =
236 SAS_LINK_RATE_1_5_GBPS;
237 asd_ha->hw_prof.phy_desc[i].min_sata_lrate =
238 SAS_LINK_RATE_1_5_GBPS;
246 static int asd_aic9410_setup(struct asd_ha_struct *asd_ha)
248 int err = asd_common_setup(asd_ha);
253 asd_ha->hw_prof.addr_range = 8;
254 asd_ha->hw_prof.port_name_base = 0;
255 asd_ha->hw_prof.dev_name_base = 8;
256 asd_ha->hw_prof.sata_name_base = 16;
261 static int asd_aic9405_setup(struct asd_ha_struct *asd_ha)
263 int err = asd_common_setup(asd_ha);
268 asd_ha->hw_prof.addr_range = 4;
269 asd_ha->hw_prof.port_name_base = 0;
270 asd_ha->hw_prof.dev_name_base = 4;
271 asd_ha->hw_prof.sata_name_base = 8;
276 static ssize_t asd_show_dev_rev(struct device *dev,
277 struct device_attribute *attr, char *buf)
279 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
280 return snprintf(buf, PAGE_SIZE, "%s\n",
281 asd_dev_rev[asd_ha->revision_id]);
283 static DEVICE_ATTR(aic_revision, S_IRUGO, asd_show_dev_rev, NULL);
285 static ssize_t asd_show_dev_bios_build(struct device *dev,
286 struct device_attribute *attr,char *buf)
288 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
289 return snprintf(buf, PAGE_SIZE, "%d\n", asd_ha->hw_prof.bios.bld);
291 static DEVICE_ATTR(bios_build, S_IRUGO, asd_show_dev_bios_build, NULL);
293 static ssize_t asd_show_dev_pcba_sn(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, "%s\n", asd_ha->hw_prof.pcba_sn);
299 static DEVICE_ATTR(pcba_sn, S_IRUGO, asd_show_dev_pcba_sn, NULL);
301 #define FLASH_CMD_NONE 0x00
302 #define FLASH_CMD_UPDATE 0x01
303 #define FLASH_CMD_VERIFY 0x02
305 struct flash_command {
310 static struct flash_command flash_command_table[] =
312 {"verify", FLASH_CMD_VERIFY},
313 {"update", FLASH_CMD_UPDATE},
314 {"", FLASH_CMD_NONE} /* Last entry should be NULL. */
322 static struct error_bios flash_error_table[] =
324 {"Failed to open bios image file", FAIL_OPEN_BIOS_FILE},
325 {"PCI ID mismatch", FAIL_CHECK_PCI_ID},
326 {"Checksum mismatch", FAIL_CHECK_SUM},
327 {"Unknown Error", FAIL_UNKNOWN},
328 {"Failed to verify.", FAIL_VERIFY},
329 {"Failed to reset flash chip.", FAIL_RESET_FLASH},
330 {"Failed to find flash chip type.", FAIL_FIND_FLASH_ID},
331 {"Failed to erash flash chip.", FAIL_ERASE_FLASH},
332 {"Failed to program flash chip.", FAIL_WRITE_FLASH},
333 {"Flash in progress", FLASH_IN_PROGRESS},
334 {"Image file size Error", FAIL_FILE_SIZE},
335 {"Input parameter error", FAIL_PARAMETERS},
336 {"Out of memory", FAIL_OUT_MEMORY},
337 {"OK", 0} /* Last entry err_code = 0. */
340 static ssize_t asd_store_update_bios(struct device *dev,
341 struct device_attribute *attr,
342 const char *buf, size_t count)
344 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
345 char *cmd_ptr, *filename_ptr;
346 struct bios_file_header header, *hdr_ptr;
349 int flash_command = FLASH_CMD_NONE;
352 cmd_ptr = kcalloc(count, 2, GFP_KERNEL);
355 err = FAIL_OUT_MEMORY;
359 filename_ptr = cmd_ptr + count;
360 res = sscanf(buf, "%s %s", cmd_ptr, filename_ptr);
362 err = FAIL_PARAMETERS;
366 for (i = 0; flash_command_table[i].code != FLASH_CMD_NONE; i++) {
367 if (!memcmp(flash_command_table[i].command,
368 cmd_ptr, strlen(cmd_ptr))) {
369 flash_command = flash_command_table[i].code;
373 if (flash_command == FLASH_CMD_NONE) {
374 err = FAIL_PARAMETERS;
378 if (asd_ha->bios_status == FLASH_IN_PROGRESS) {
379 err = FLASH_IN_PROGRESS;
382 err = request_firmware(&asd_ha->bios_image,
384 &asd_ha->pcidev->dev);
386 asd_printk("Failed to load bios image file %s, error %d\n",
388 err = FAIL_OPEN_BIOS_FILE;
392 hdr_ptr = (struct bios_file_header *)asd_ha->bios_image->data;
394 if ((hdr_ptr->contrl_id.vendor != asd_ha->pcidev->vendor ||
395 hdr_ptr->contrl_id.device != asd_ha->pcidev->device) &&
396 (hdr_ptr->contrl_id.sub_vendor != asd_ha->pcidev->vendor ||
397 hdr_ptr->contrl_id.sub_device != asd_ha->pcidev->device)) {
399 ASD_DPRINTK("The PCI vendor or device id does not match\n");
400 ASD_DPRINTK("vendor=%x dev=%x sub_vendor=%x sub_dev=%x"
401 " pci vendor=%x pci dev=%x\n",
402 hdr_ptr->contrl_id.vendor,
403 hdr_ptr->contrl_id.device,
404 hdr_ptr->contrl_id.sub_vendor,
405 hdr_ptr->contrl_id.sub_device,
406 asd_ha->pcidev->vendor,
407 asd_ha->pcidev->device);
408 err = FAIL_CHECK_PCI_ID;
412 if (hdr_ptr->filelen != asd_ha->bios_image->size) {
413 err = FAIL_FILE_SIZE;
417 /* calculate checksum */
418 for (i = 0; i < hdr_ptr->filelen; i++)
419 csum += asd_ha->bios_image->data[i];
421 if ((csum & 0x0000ffff) != hdr_ptr->checksum) {
422 ASD_DPRINTK("BIOS file checksum mismatch\n");
423 err = FAIL_CHECK_SUM;
426 if (flash_command == FLASH_CMD_UPDATE) {
427 asd_ha->bios_status = FLASH_IN_PROGRESS;
428 err = asd_write_flash_seg(asd_ha,
429 &asd_ha->bios_image->data[sizeof(*hdr_ptr)],
430 0, hdr_ptr->filelen-sizeof(*hdr_ptr));
432 err = asd_verify_flash_seg(asd_ha,
433 &asd_ha->bios_image->data[sizeof(*hdr_ptr)],
434 0, hdr_ptr->filelen-sizeof(*hdr_ptr));
436 asd_ha->bios_status = FLASH_IN_PROGRESS;
437 err = asd_verify_flash_seg(asd_ha,
438 &asd_ha->bios_image->data[sizeof(header)],
439 0, hdr_ptr->filelen-sizeof(header));
443 release_firmware(asd_ha->bios_image);
447 asd_ha->bios_status = err;
455 static ssize_t asd_show_update_bios(struct device *dev,
456 struct device_attribute *attr, char *buf)
459 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
461 for (i = 0; flash_error_table[i].err_code != 0; i++) {
462 if (flash_error_table[i].err_code == asd_ha->bios_status)
465 if (asd_ha->bios_status != FLASH_IN_PROGRESS)
466 asd_ha->bios_status = FLASH_OK;
468 return snprintf(buf, PAGE_SIZE, "status=%x %s\n",
469 flash_error_table[i].err_code,
470 flash_error_table[i].reason);
473 static DEVICE_ATTR(update_bios, S_IRUGO|S_IWUSR,
474 asd_show_update_bios, asd_store_update_bios);
476 static int asd_create_dev_attrs(struct asd_ha_struct *asd_ha)
480 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_aic_revision);
484 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
488 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
491 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_update_bios);
493 goto err_update_bios;
498 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
500 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
502 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_aic_revision);
506 static void asd_remove_dev_attrs(struct asd_ha_struct *asd_ha)
508 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_aic_revision);
509 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
510 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
511 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_update_bios);
514 /* The first entry, 0, is used for dynamic ids, the rest for devices
517 static const struct asd_pcidev_struct {
519 int (*setup)(struct asd_ha_struct *asd_ha);
520 } asd_pcidev_data[] = {
521 /* Id 0 is used for dynamic ids. */
522 { .name = "Adaptec AIC-94xx SAS/SATA Host Adapter",
523 .setup = asd_aic9410_setup
525 { .name = "Adaptec AIC-9410W SAS/SATA Host Adapter",
526 .setup = asd_aic9410_setup
528 { .name = "Adaptec AIC-9405W SAS/SATA Host Adapter",
529 .setup = asd_aic9405_setup
533 static int asd_create_ha_caches(struct asd_ha_struct *asd_ha)
535 asd_ha->scb_pool = dma_pool_create(ASD_DRIVER_NAME "_scb_pool",
536 &asd_ha->pcidev->dev,
539 if (!asd_ha->scb_pool) {
540 asd_printk("couldn't create scb pool\n");
548 * asd_free_edbs -- free empty data buffers
549 * asd_ha: pointer to host adapter structure
551 static void asd_free_edbs(struct asd_ha_struct *asd_ha)
553 struct asd_seq_data *seq = &asd_ha->seq;
556 for (i = 0; i < seq->num_edbs; i++)
557 asd_free_coherent(asd_ha, seq->edb_arr[i]);
562 static void asd_free_escbs(struct asd_ha_struct *asd_ha)
564 struct asd_seq_data *seq = &asd_ha->seq;
567 for (i = 0; i < seq->num_escbs; i++) {
568 if (!list_empty(&seq->escb_arr[i]->list))
569 list_del_init(&seq->escb_arr[i]->list);
571 asd_ascb_free(seq->escb_arr[i]);
573 kfree(seq->escb_arr);
574 seq->escb_arr = NULL;
577 static void asd_destroy_ha_caches(struct asd_ha_struct *asd_ha)
581 if (asd_ha->hw_prof.ddb_ext)
582 asd_free_coherent(asd_ha, asd_ha->hw_prof.ddb_ext);
583 if (asd_ha->hw_prof.scb_ext)
584 asd_free_coherent(asd_ha, asd_ha->hw_prof.scb_ext);
586 if (asd_ha->hw_prof.ddb_bitmap)
587 kfree(asd_ha->hw_prof.ddb_bitmap);
588 asd_ha->hw_prof.ddb_bitmap = NULL;
590 for (i = 0; i < ASD_MAX_PHYS; i++) {
591 struct asd_phy *phy = &asd_ha->phys[i];
593 asd_free_coherent(asd_ha, phy->id_frm_tok);
595 if (asd_ha->seq.escb_arr)
596 asd_free_escbs(asd_ha);
597 if (asd_ha->seq.edb_arr)
598 asd_free_edbs(asd_ha);
599 if (asd_ha->hw_prof.ue.area) {
600 kfree(asd_ha->hw_prof.ue.area);
601 asd_ha->hw_prof.ue.area = NULL;
603 if (asd_ha->seq.tc_index_array) {
604 kfree(asd_ha->seq.tc_index_array);
605 kfree(asd_ha->seq.tc_index_bitmap);
606 asd_ha->seq.tc_index_array = NULL;
607 asd_ha->seq.tc_index_bitmap = NULL;
609 if (asd_ha->seq.actual_dl) {
610 asd_free_coherent(asd_ha, asd_ha->seq.actual_dl);
611 asd_ha->seq.actual_dl = NULL;
612 asd_ha->seq.dl = NULL;
614 if (asd_ha->seq.next_scb.vaddr) {
615 dma_pool_free(asd_ha->scb_pool, asd_ha->seq.next_scb.vaddr,
616 asd_ha->seq.next_scb.dma_handle);
617 asd_ha->seq.next_scb.vaddr = NULL;
619 dma_pool_destroy(asd_ha->scb_pool);
620 asd_ha->scb_pool = NULL;
623 struct kmem_cache *asd_dma_token_cache;
624 struct kmem_cache *asd_ascb_cache;
626 static int asd_create_global_caches(void)
628 if (!asd_dma_token_cache) {
630 = kmem_cache_create(ASD_DRIVER_NAME "_dma_token",
631 sizeof(struct asd_dma_tok),
635 if (!asd_dma_token_cache) {
636 asd_printk("couldn't create dma token cache\n");
641 if (!asd_ascb_cache) {
642 asd_ascb_cache = kmem_cache_create(ASD_DRIVER_NAME "_ascb",
643 sizeof(struct asd_ascb),
647 if (!asd_ascb_cache) {
648 asd_printk("couldn't create ascb cache\n");
655 kmem_cache_destroy(asd_dma_token_cache);
656 asd_dma_token_cache = NULL;
660 static void asd_destroy_global_caches(void)
662 if (asd_dma_token_cache)
663 kmem_cache_destroy(asd_dma_token_cache);
664 asd_dma_token_cache = NULL;
667 kmem_cache_destroy(asd_ascb_cache);
668 asd_ascb_cache = NULL;
671 static int asd_register_sas_ha(struct asd_ha_struct *asd_ha)
674 struct asd_sas_phy **sas_phys =
675 kcalloc(ASD_MAX_PHYS, sizeof(*sas_phys), GFP_KERNEL);
676 struct asd_sas_port **sas_ports =
677 kcalloc(ASD_MAX_PHYS, sizeof(*sas_ports), GFP_KERNEL);
679 if (!sas_phys || !sas_ports) {
685 asd_ha->sas_ha.sas_ha_name = (char *) asd_ha->name;
686 asd_ha->sas_ha.lldd_module = THIS_MODULE;
687 asd_ha->sas_ha.sas_addr = &asd_ha->hw_prof.sas_addr[0];
689 for (i = 0; i < ASD_MAX_PHYS; i++) {
690 sas_phys[i] = &asd_ha->phys[i].sas_phy;
691 sas_ports[i] = &asd_ha->ports[i];
694 asd_ha->sas_ha.sas_phy = sas_phys;
695 asd_ha->sas_ha.sas_port= sas_ports;
696 asd_ha->sas_ha.num_phys= ASD_MAX_PHYS;
698 return sas_register_ha(&asd_ha->sas_ha);
701 static int asd_unregister_sas_ha(struct asd_ha_struct *asd_ha)
705 err = sas_unregister_ha(&asd_ha->sas_ha);
707 sas_remove_host(asd_ha->sas_ha.core.shost);
708 scsi_host_put(asd_ha->sas_ha.core.shost);
710 kfree(asd_ha->sas_ha.sas_phy);
711 kfree(asd_ha->sas_ha.sas_port);
716 static int asd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
718 const struct asd_pcidev_struct *asd_dev;
719 unsigned asd_id = (unsigned) id->driver_data;
720 struct asd_ha_struct *asd_ha;
721 struct Scsi_Host *shost;
724 if (asd_id >= ARRAY_SIZE(asd_pcidev_data)) {
725 asd_printk("wrong driver_data in PCI table\n");
729 if ((err = pci_enable_device(dev))) {
730 asd_printk("couldn't enable device %s\n", pci_name(dev));
738 shost = scsi_host_alloc(&aic94xx_sht, sizeof(void *));
742 asd_dev = &asd_pcidev_data[asd_id];
744 asd_ha = kzalloc(sizeof(*asd_ha), GFP_KERNEL);
746 asd_printk("out of memory\n");
749 asd_ha->pcidev = dev;
750 asd_ha->sas_ha.dev = &asd_ha->pcidev->dev;
751 asd_ha->sas_ha.lldd_ha = asd_ha;
753 asd_ha->bios_status = FLASH_OK;
754 asd_ha->name = asd_dev->name;
755 asd_printk("found %s, device %s\n", asd_ha->name, pci_name(dev));
757 SHOST_TO_SAS_HA(shost) = &asd_ha->sas_ha;
758 asd_ha->sas_ha.core.shost = shost;
759 shost->transportt = aic94xx_transport_template;
762 shost->max_cmd_len = 16;
764 err = scsi_add_host(shost, &dev->dev);
768 err = asd_dev->setup(asd_ha);
772 err = dma_set_mask_and_coherent(&dev->dev, DMA_BIT_MASK(64));
774 err = dma_set_mask_and_coherent(&dev->dev, DMA_BIT_MASK(32));
777 asd_printk("no suitable DMA mask for %s\n", pci_name(dev));
781 pci_set_drvdata(dev, asd_ha);
783 err = asd_map_ha(asd_ha);
787 err = asd_create_ha_caches(asd_ha);
791 err = asd_init_hw(asd_ha);
795 asd_printk("device %s: SAS addr %llx, PCBA SN %s, %d phys, %d enabled "
796 "phys, flash %s, BIOS %s%d\n",
797 pci_name(dev), SAS_ADDR(asd_ha->hw_prof.sas_addr),
798 asd_ha->hw_prof.pcba_sn, asd_ha->hw_prof.max_phys,
799 asd_ha->hw_prof.num_phys,
800 asd_ha->hw_prof.flash.present ? "present" : "not present",
801 asd_ha->hw_prof.bios.present ? "build " : "not present",
802 asd_ha->hw_prof.bios.bld);
804 shost->can_queue = asd_ha->seq.can_queue;
807 pci_enable_msi(asd_ha->pcidev);
809 err = request_irq(asd_ha->pcidev->irq, asd_hw_isr, IRQF_SHARED,
810 ASD_DRIVER_NAME, asd_ha);
812 asd_printk("couldn't get irq %d for %s\n",
813 asd_ha->pcidev->irq, pci_name(asd_ha->pcidev));
816 asd_enable_ints(asd_ha);
818 err = asd_init_post_escbs(asd_ha);
820 asd_printk("couldn't post escbs for %s\n",
821 pci_name(asd_ha->pcidev));
824 ASD_DPRINTK("escbs posted\n");
826 err = asd_create_dev_attrs(asd_ha);
830 err = asd_register_sas_ha(asd_ha);
834 scsi_scan_host(shost);
839 asd_remove_dev_attrs(asd_ha);
842 asd_disable_ints(asd_ha);
843 free_irq(dev->irq, asd_ha);
846 pci_disable_msi(dev);
847 asd_chip_hardrst(asd_ha);
849 asd_destroy_ha_caches(asd_ha);
851 asd_unmap_ha(asd_ha);
853 scsi_remove_host(shost);
857 scsi_host_put(shost);
859 pci_disable_device(dev);
863 static void asd_free_queues(struct asd_ha_struct *asd_ha)
867 struct list_head *n, *pos;
869 spin_lock_irqsave(&asd_ha->seq.pend_q_lock, flags);
870 asd_ha->seq.pending = 0;
871 list_splice_init(&asd_ha->seq.pend_q, &pending);
872 spin_unlock_irqrestore(&asd_ha->seq.pend_q_lock, flags);
874 if (!list_empty(&pending))
875 ASD_DPRINTK("Uh-oh! Pending is not empty!\n");
877 list_for_each_safe(pos, n, &pending) {
878 struct asd_ascb *ascb = list_entry(pos, struct asd_ascb, list);
880 * Delete unexpired ascb timers. This may happen if we issue
881 * a CONTROL PHY scb to an adapter and rmmod before the scb
882 * times out. Apparently we don't wait for the CONTROL PHY
883 * to complete, so it doesn't matter if we kill the timer.
885 del_timer_sync(&ascb->timer);
886 WARN_ON(ascb->scb->header.opcode != CONTROL_PHY);
889 ASD_DPRINTK("freeing from pending\n");
894 static void asd_turn_off_leds(struct asd_ha_struct *asd_ha)
896 u8 phy_mask = asd_ha->hw_prof.enabled_phys;
899 for_each_phy(phy_mask, phy_mask, i) {
900 asd_turn_led(asd_ha, i, 0);
901 asd_control_led(asd_ha, i, 0);
905 static void asd_pci_remove(struct pci_dev *dev)
907 struct asd_ha_struct *asd_ha = pci_get_drvdata(dev);
912 asd_unregister_sas_ha(asd_ha);
914 asd_disable_ints(asd_ha);
916 asd_remove_dev_attrs(asd_ha);
918 /* XXX more here as needed */
920 free_irq(dev->irq, asd_ha);
922 pci_disable_msi(asd_ha->pcidev);
923 asd_turn_off_leds(asd_ha);
924 asd_chip_hardrst(asd_ha);
925 asd_free_queues(asd_ha);
926 asd_destroy_ha_caches(asd_ha);
927 asd_unmap_ha(asd_ha);
929 pci_disable_device(dev);
933 static void asd_scan_start(struct Scsi_Host *shost)
935 struct asd_ha_struct *asd_ha;
938 asd_ha = SHOST_TO_SAS_HA(shost)->lldd_ha;
939 err = asd_enable_phys(asd_ha, asd_ha->hw_prof.enabled_phys);
941 asd_printk("Couldn't enable phys, err:%d\n", err);
944 static int asd_scan_finished(struct Scsi_Host *shost, unsigned long time)
946 /* give the phy enabling interrupt event time to come in (1s
947 * is empirically about all it takes) */
950 /* Wait for discovery to finish */
951 sas_drain_work(SHOST_TO_SAS_HA(shost));
955 static ssize_t version_show(struct device_driver *driver, char *buf)
957 return snprintf(buf, PAGE_SIZE, "%s\n", ASD_DRIVER_VERSION);
959 static DRIVER_ATTR_RO(version);
961 static int asd_create_driver_attrs(struct device_driver *driver)
963 return driver_create_file(driver, &driver_attr_version);
966 static void asd_remove_driver_attrs(struct device_driver *driver)
968 driver_remove_file(driver, &driver_attr_version);
971 static struct sas_domain_function_template aic94xx_transport_functions = {
972 .lldd_dev_found = asd_dev_found,
973 .lldd_dev_gone = asd_dev_gone,
975 .lldd_execute_task = asd_execute_task,
977 .lldd_abort_task = asd_abort_task,
978 .lldd_abort_task_set = asd_abort_task_set,
979 .lldd_clear_aca = asd_clear_aca,
980 .lldd_clear_task_set = asd_clear_task_set,
981 .lldd_I_T_nexus_reset = asd_I_T_nexus_reset,
982 .lldd_lu_reset = asd_lu_reset,
983 .lldd_query_task = asd_query_task,
985 .lldd_clear_nexus_port = asd_clear_nexus_port,
986 .lldd_clear_nexus_ha = asd_clear_nexus_ha,
988 .lldd_control_phy = asd_control_phy,
990 .lldd_ata_set_dmamode = asd_set_dmamode,
993 static const struct pci_device_id aic94xx_pci_table[] = {
994 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x410),0, 0, 1},
995 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x412),0, 0, 1},
996 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x416),0, 0, 1},
997 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x41E),0, 0, 1},
998 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x41F),0, 0, 1},
999 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x430),0, 0, 2},
1000 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x432),0, 0, 2},
1001 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x43E),0, 0, 2},
1002 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x43F),0, 0, 2},
1006 MODULE_DEVICE_TABLE(pci, aic94xx_pci_table);
1008 static struct pci_driver aic94xx_pci_driver = {
1009 .name = ASD_DRIVER_NAME,
1010 .id_table = aic94xx_pci_table,
1011 .probe = asd_pci_probe,
1012 .remove = asd_pci_remove,
1015 static int __init aic94xx_init(void)
1020 asd_printk("%s version %s loaded\n", ASD_DRIVER_DESCRIPTION,
1021 ASD_DRIVER_VERSION);
1023 err = asd_create_global_caches();
1027 aic94xx_transport_template =
1028 sas_domain_attach_transport(&aic94xx_transport_functions);
1029 if (!aic94xx_transport_template) {
1031 goto out_destroy_caches;
1034 err = pci_register_driver(&aic94xx_pci_driver);
1036 goto out_release_transport;
1038 err = asd_create_driver_attrs(&aic94xx_pci_driver.driver);
1040 goto out_unregister_pcidrv;
1044 out_unregister_pcidrv:
1045 pci_unregister_driver(&aic94xx_pci_driver);
1046 out_release_transport:
1047 sas_release_transport(aic94xx_transport_template);
1049 asd_destroy_global_caches();
1054 static void __exit aic94xx_exit(void)
1056 asd_remove_driver_attrs(&aic94xx_pci_driver.driver);
1057 pci_unregister_driver(&aic94xx_pci_driver);
1058 sas_release_transport(aic94xx_transport_template);
1059 asd_release_firmware();
1060 asd_destroy_global_caches();
1061 asd_printk("%s version %s unloaded\n", ASD_DRIVER_DESCRIPTION,
1062 ASD_DRIVER_VERSION);
1065 module_init(aic94xx_init);
1066 module_exit(aic94xx_exit);
1068 MODULE_AUTHOR("Luben Tuikov <luben_tuikov@adaptec.com>");
1069 MODULE_DESCRIPTION(ASD_DRIVER_DESCRIPTION);
1070 MODULE_LICENSE("GPL v2");
1071 MODULE_VERSION(ASD_DRIVER_VERSION);