Lines Matching +full:host +full:- +full:command
1 // SPDX-License-Identifier: GPL-2.0-only
5 Linux Driver for BusLogic MultiMaster and FlashPoint SCSI Host Adapters
7 Copyright 1995-1998 by Leonard N. Zubkoff <lnz@dandelion.com>
13 Special thanks to Wayne Yen, Jin-Lon Hon, and Alex Win of BusLogic, whose
37 #include <linux/dma-mapping.h>
54 #define FAILURE (-1)
61 Options specifications provided via the Linux Kernel Command Line or via
70 BusLogic Driver Options specifications provided via the Linux Kernel Command
81 MODULE_DESCRIPTION("BusLogic MultiMaster and FlashPoint SCSI Host Adapter driver");
91 all BusLogic Host Adapters.
99 all BusLogic Host Adapters.
115 to be checked for potential BusLogic Host Adapters. It is initialized by
125 call to blogic_cmd failed. It is only non-NULL when blogic_cmd
139 blogic_announce("Copyright 1995-1998 by Leonard N. Zubkoff <lnz@dandelion.com>\n", adapter); in blogic_announce_drvr()
144 blogic_drvr_info returns the Host Adapter Name to identify this SCSI
145 Driver and Host Adapter.
148 static const char *blogic_drvr_info(struct Scsi_Host *host) in blogic_drvr_info() argument
151 (struct blogic_adapter *) host->hostdata; in blogic_drvr_info()
152 return adapter->full_model; in blogic_drvr_info()
156 blogic_init_ccbs initializes a group of Command Control Blocks (CCBs)
157 for Host Adapter from the blk_size bytes located at blk_pointer. The newly
158 created CCBs are added to Host Adapter's free list.
167 ccb->allocgrp_head = blkp; in blogic_init_ccbs()
168 ccb->allocgrp_size = blk_size; in blogic_init_ccbs()
169 while ((blk_size -= sizeof(struct blogic_ccb)) >= 0) { in blogic_init_ccbs()
170 ccb->status = BLOGIC_CCB_FREE; in blogic_init_ccbs()
171 ccb->adapter = adapter; in blogic_init_ccbs()
172 ccb->dma_handle = (u32) blkp + offset; in blogic_init_ccbs()
174 ccb->callback = blogic_qcompleted_ccb; in blogic_init_ccbs()
175 ccb->base_addr = adapter->fpinfo.base_addr; in blogic_init_ccbs()
177 ccb->next = adapter->free_ccbs; in blogic_init_ccbs()
178 ccb->next_all = adapter->all_ccbs; in blogic_init_ccbs()
179 adapter->free_ccbs = ccb; in blogic_init_ccbs()
180 adapter->all_ccbs = ccb; in blogic_init_ccbs()
181 adapter->alloc_ccbs++; in blogic_init_ccbs()
189 blogic_create_initccbs allocates the initial CCBs for Host Adapter.
198 while (adapter->alloc_ccbs < adapter->initccbs) { in blogic_create_initccbs()
199 blk_pointer = dma_alloc_coherent(&adapter->pci_device->dev, in blogic_create_initccbs()
202 blogic_err("UNABLE TO ALLOCATE CCB GROUP - DETACHING\n", in blogic_create_initccbs()
213 blogic_destroy_ccbs deallocates the CCBs for Host Adapter.
218 struct blogic_ccb *next_ccb = adapter->all_ccbs, *ccb, *lastccb = NULL; in blogic_destroy_ccbs()
219 adapter->all_ccbs = NULL; in blogic_destroy_ccbs()
220 adapter->free_ccbs = NULL; in blogic_destroy_ccbs()
222 next_ccb = ccb->next_all; in blogic_destroy_ccbs()
223 if (ccb->allocgrp_head) { in blogic_destroy_ccbs()
225 dma_free_coherent(&adapter->pci_device->dev, in blogic_destroy_ccbs()
226 lastccb->allocgrp_size, lastccb, in blogic_destroy_ccbs()
227 lastccb->allocgrp_head); in blogic_destroy_ccbs()
232 dma_free_coherent(&adapter->pci_device->dev, in blogic_destroy_ccbs()
233 lastccb->allocgrp_size, lastccb, in blogic_destroy_ccbs()
234 lastccb->allocgrp_head); in blogic_destroy_ccbs()
239 blogic_create_addlccbs allocates Additional CCBs for Host Adapter. If
242 multiple host adapters share the same IRQ Channel.
249 int prev_alloc = adapter->alloc_ccbs; in blogic_create_addlccbs()
254 while (adapter->alloc_ccbs - prev_alloc < addl_ccbs) { in blogic_create_addlccbs()
255 blk_pointer = dma_alloc_coherent(&adapter->pci_device->dev, in blogic_create_addlccbs()
261 if (adapter->alloc_ccbs > prev_alloc) { in blogic_create_addlccbs()
263 …ated %d additional CCBs (total now %d)\n", adapter, adapter->alloc_ccbs - prev_alloc, adapter->all… in blogic_create_addlccbs()
267 if (adapter->drvr_qdepth > adapter->alloc_ccbs - adapter->tgt_count) { in blogic_create_addlccbs()
268 adapter->drvr_qdepth = adapter->alloc_ccbs - adapter->tgt_count; in blogic_create_addlccbs()
269 adapter->scsi_host->can_queue = adapter->drvr_qdepth; in blogic_create_addlccbs()
274 blogic_alloc_ccb allocates a CCB from Host Adapter's free list,
275 allocating more memory from the Kernel if necessary. The Host Adapter's
283 ccb = adapter->free_ccbs; in blogic_alloc_ccb()
285 ccb->serial = ++serial; in blogic_alloc_ccb()
286 adapter->free_ccbs = ccb->next; in blogic_alloc_ccb()
287 ccb->next = NULL; in blogic_alloc_ccb()
288 if (adapter->free_ccbs == NULL) in blogic_alloc_ccb()
289 blogic_create_addlccbs(adapter, adapter->inc_ccbs, in blogic_alloc_ccb()
293 blogic_create_addlccbs(adapter, adapter->inc_ccbs, true); in blogic_alloc_ccb()
294 ccb = adapter->free_ccbs; in blogic_alloc_ccb()
297 ccb->serial = ++serial; in blogic_alloc_ccb()
298 adapter->free_ccbs = ccb->next; in blogic_alloc_ccb()
299 ccb->next = NULL; in blogic_alloc_ccb()
305 blogic_dealloc_ccb deallocates a CCB, returning it to the Host Adapter's
306 free list. The Host Adapter's Lock should already have been acquired by the
312 struct blogic_adapter *adapter = ccb->adapter; in blogic_dealloc_ccb()
314 if (ccb->command != NULL) in blogic_dealloc_ccb()
315 scsi_dma_unmap(ccb->command); in blogic_dealloc_ccb()
317 dma_unmap_single(&adapter->pci_device->dev, ccb->sensedata, in blogic_dealloc_ccb()
318 ccb->sense_datalen, DMA_FROM_DEVICE); in blogic_dealloc_ccb()
320 ccb->command = NULL; in blogic_dealloc_ccb()
321 ccb->status = BLOGIC_CCB_FREE; in blogic_dealloc_ccb()
322 ccb->next = adapter->free_ccbs; in blogic_dealloc_ccb()
323 adapter->free_ccbs = ccb; in blogic_dealloc_ccb()
328 blogic_cmd sends the command opcode to adapter, optionally
334 the Host Adapter (including any discarded data); on failure, it returns
335 -1 if the command was invalid, or -2 if a timeout occurred.
337 blogic_cmd is called exclusively during host adapter detection and
339 access to the Host Adapter hardware is assumed. Once the host adapter and
340 driver are initialized, the only Host Adapter command that is issued is the
341 single byte Execute Mailbox Command operation code, which does not require
342 waiting for the Host Adapter Ready bit to be set in the Status Register.
362 must be disabled while issuing host adapter commands since a in blogic_cmd()
363 Command Complete interrupt could occur if the IRQ Channel was in blogic_cmd()
364 previously enabled by another BusLogic Host Adapter or another in blogic_cmd()
367 if (!adapter->irq_acquired) in blogic_cmd()
370 Wait for the Host Adapter Ready bit to be set and the in blogic_cmd()
371 Command/Parameter Register Busy bit to be reset in the Status in blogic_cmd()
375 while (--timeout >= 0) { in blogic_cmd()
383 "Timeout waiting for Host Adapter Ready"; in blogic_cmd()
384 result = -2; in blogic_cmd()
388 Write the opcode to the Command/Parameter Register. in blogic_cmd()
390 adapter->adapter_cmd_complete = false; in blogic_cmd()
396 while (paramlen > 0 && --timeout >= 0) { in blogic_cmd()
398 Wait 100 microseconds to give the Host Adapter enough in blogic_cmd()
400 Command/Parameter Register was valid or not. If the in blogic_cmd()
401 Command Complete bit is set in the Interrupt Register, in blogic_cmd()
402 then the Command Invalid bit in the Status Register will in blogic_cmd()
404 and the command has completed, or set if the Operation in blogic_cmd()
408 back from the Host Adapter. Otherwise, wait for the in blogic_cmd()
409 Command/Parameter Register Busy bit in the Status in blogic_cmd()
417 if (adapter->adapter_cmd_complete) in blogic_cmd()
424 paramlen--; in blogic_cmd()
429 result = -2; in blogic_cmd()
433 The Modify I/O Address command does not cause a Command Complete in blogic_cmd()
441 result = -1; in blogic_cmd()
450 Select an appropriate timeout value for awaiting command completion. in blogic_cmd()
465 Receive any Reply Bytes, waiting for either the Command in blogic_cmd()
467 Interrupt Handler to set the Host Adapter Command Completed in blogic_cmd()
468 bit in the Host Adapter structure. in blogic_cmd()
470 while (--timeout >= 0) { in blogic_cmd()
475 if (adapter->adapter_cmd_complete) in blogic_cmd()
490 "Timeout waiting for Command Complete"; in blogic_cmd()
491 result = -2; in blogic_cmd()
495 Clear any pending Command Complete Interrupt. in blogic_cmd()
514 Process Command Invalid conditions. in blogic_cmd()
518 Some early BusLogic Host Adapters may not recover in blogic_cmd()
519 properly from a Command Invalid condition, so if this in blogic_cmd()
521 Host Adapter. Potentially invalid commands are never in blogic_cmd()
523 so there should be no Host Adapter state lost by a in blogic_cmd()
524 Soft Reset in response to a Command Invalid condition. in blogic_cmd()
538 blogic_cmd_failure_reason = "Command Invalid"; in blogic_cmd()
539 result = -1; in blogic_cmd()
547 result = -1; in blogic_cmd()
551 Indicate the command completed successfully. in blogic_cmd()
559 if (!adapter->irq_acquired) in blogic_cmd()
573 int last_exchange = probeinfo_cnt - 1, bound, j; in blogic_sort_probeinfo()
583 if (probeinfo1->bus > probeinfo2->bus || in blogic_sort_probeinfo()
584 (probeinfo1->bus == probeinfo2->bus && in blogic_sort_probeinfo()
585 (probeinfo1->dev > probeinfo2->dev))) { in blogic_sort_probeinfo()
604 SCSI Host Adapters by interrogating the PCI Configuration Space on PCI
606 I/O Addresses. It returns the number of PCI MultiMaster Host Adapters found.
623 Iterate over the MultiMaster PCI Host Adapters. For each in blogic_init_mm_probeinfo()
624 enumerated host adapter, determine whether its ISA Compatible in blogic_init_mm_probeinfo()
626 Primary I/O Address. A host adapter that is assigned the in blogic_init_mm_probeinfo()
628 The MultiMaster BIOS will first recognize a host adapter at in blogic_init_mm_probeinfo()
629 the Primary I/O Address, then any other PCI host adapters, in blogic_init_mm_probeinfo()
630 and finally any host adapters located at the remaining in blogic_init_mm_probeinfo()
631 standard ISA I/O Addresses. When a PCI host adapter is found in blogic_init_mm_probeinfo()
632 with its ISA Compatible I/O Port enabled, a command is issued in blogic_init_mm_probeinfo()
636 pr_probeinfo->io_addr = 0; in blogic_init_mm_probeinfo()
654 if (dma_set_mask(&pci_device->dev, DMA_BIT_MASK(32))) in blogic_init_mm_probeinfo()
657 bus = pci_device->bus->number; in blogic_init_mm_probeinfo()
658 device = pci_device->devfn >> 3; in blogic_init_mm_probeinfo()
659 irq_ch = pci_device->irq; in blogic_init_mm_probeinfo()
664 …blogic_err("BusLogic: Base Address0 0x%lX not I/O for MultiMaster Host Adapter\n", NULL, base_addr… in blogic_init_mm_probeinfo()
669 …blogic_err("BusLogic: Base Address1 0x%lX not Memory for MultiMaster Host Adapter\n", NULL, base_a… in blogic_init_mm_probeinfo()
674 blogic_err("BusLogic: IRQ Channel %d invalid for MultiMaster Host Adapter\n", NULL, irq_ch); in blogic_init_mm_probeinfo()
679 blogic_notice("BusLogic: PCI MultiMaster Host Adapter detected at\n", NULL); in blogic_init_mm_probeinfo()
683 Issue the Inquire PCI Host Adapter Information command to determine in blogic_init_mm_probeinfo()
688 host_adapter->io_addr = io_addr; in blogic_init_mm_probeinfo()
695 Issue the Modify I/O Address command to disable the in blogic_init_mm_probeinfo()
696 ISA Compatible I/O Port. On PCI Host Adapters, the in blogic_init_mm_probeinfo()
697 Modify I/O Address command allows modification of the in blogic_init_mm_probeinfo()
698 ISA compatible I/O Address that the Host Adapter in blogic_init_mm_probeinfo()
706 For the first MultiMaster Host Adapter enumerated, in blogic_init_mm_probeinfo()
707 issue the Fetch Host Adapter Local RAM command to read in blogic_init_mm_probeinfo()
710 Issue the Inquire Board ID command since this option is in blogic_init_mm_probeinfo()
711 only valid for the BT-948/958/958D. in blogic_init_mm_probeinfo()
732 Determine whether this MultiMaster Host Adapter has its in blogic_init_mm_probeinfo()
735 MultiMaster Host Adapter and must be recognized first. in blogic_init_mm_probeinfo()
737 after any Primary MultiMaster Host Adapter is probed. in blogic_init_mm_probeinfo()
740 pr_probeinfo->adapter_type = BLOGIC_MULTIMASTER; in blogic_init_mm_probeinfo()
741 pr_probeinfo->adapter_bus_type = BLOGIC_PCI_BUS; in blogic_init_mm_probeinfo()
742 pr_probeinfo->io_addr = io_addr; in blogic_init_mm_probeinfo()
743 pr_probeinfo->pci_addr = pci_addr; in blogic_init_mm_probeinfo()
744 pr_probeinfo->bus = bus; in blogic_init_mm_probeinfo()
745 pr_probeinfo->dev = device; in blogic_init_mm_probeinfo()
746 pr_probeinfo->irq_ch = irq_ch; in blogic_init_mm_probeinfo()
747 pr_probeinfo->pci_device = pci_dev_get(pci_device); in blogic_init_mm_probeinfo()
752 probeinfo->adapter_type = BLOGIC_MULTIMASTER; in blogic_init_mm_probeinfo()
753 probeinfo->adapter_bus_type = BLOGIC_PCI_BUS; in blogic_init_mm_probeinfo()
754 probeinfo->io_addr = io_addr; in blogic_init_mm_probeinfo()
755 probeinfo->pci_addr = pci_addr; in blogic_init_mm_probeinfo()
756 probeinfo->bus = bus; in blogic_init_mm_probeinfo()
757 probeinfo->dev = device; in blogic_init_mm_probeinfo()
758 probeinfo->irq_ch = irq_ch; in blogic_init_mm_probeinfo()
759 probeinfo->pci_device = pci_dev_get(pci_device); in blogic_init_mm_probeinfo()
763 blogic_warn("BusLogic: Too many Host Adapters detected\n", NULL); in blogic_init_mm_probeinfo()
767 option is ON for the first enumerated MultiMaster Host Adapter, in blogic_init_mm_probeinfo()
768 and if that host adapter is a BT-948/958/958D, then the in blogic_init_mm_probeinfo()
769 MultiMaster BIOS will recognize MultiMaster Host Adapters in in blogic_init_mm_probeinfo()
773 MultiMaster Host Adapters in the order they are enumerated by in blogic_init_mm_probeinfo()
780 Iterate over the older non-compliant MultiMaster PCI Host Adapters, in blogic_init_mm_probeinfo()
795 if (dma_set_mask(&pci_device->dev, DMA_BIT_MASK(32))) in blogic_init_mm_probeinfo()
798 bus = pci_device->bus->number; in blogic_init_mm_probeinfo()
799 device = pci_device->devfn >> 3; in blogic_init_mm_probeinfo()
800 irq_ch = pci_device->irq; in blogic_init_mm_probeinfo()
808 if (probeinfo->io_addr == io_addr && in blogic_init_mm_probeinfo()
809 probeinfo->adapter_type == BLOGIC_MULTIMASTER) { in blogic_init_mm_probeinfo()
810 probeinfo->adapter_bus_type = BLOGIC_PCI_BUS; in blogic_init_mm_probeinfo()
811 probeinfo->pci_addr = 0; in blogic_init_mm_probeinfo()
812 probeinfo->bus = bus; in blogic_init_mm_probeinfo()
813 probeinfo->dev = device; in blogic_init_mm_probeinfo()
814 probeinfo->irq_ch = irq_ch; in blogic_init_mm_probeinfo()
815 probeinfo->pci_device = pci_dev_get(pci_device); in blogic_init_mm_probeinfo()
827 Host Adapters by interrogating the PCI Configuration Space. It returns the
828 number of FlashPoint Host Adapters found.
836 Interrogate PCI Configuration Space for any FlashPoint Host Adapters. in blogic_init_fp_probeinfo()
852 if (dma_set_mask(&pci_device->dev, DMA_BIT_MASK(32))) in blogic_init_fp_probeinfo()
855 bus = pci_device->bus->number; in blogic_init_fp_probeinfo()
856 device = pci_device->devfn >> 3; in blogic_init_fp_probeinfo()
857 irq_ch = pci_device->irq; in blogic_init_fp_probeinfo()
862 …blogic_err("BusLogic: Base Address0 0x%lX not I/O for FlashPoint Host Adapter\n", NULL, base_addr0… in blogic_init_fp_probeinfo()
867 …blogic_err("BusLogic: Base Address1 0x%lX not Memory for FlashPoint Host Adapter\n", NULL, base_ad… in blogic_init_fp_probeinfo()
872 blogic_err("BusLogic: IRQ Channel %d invalid for FlashPoint Host Adapter\n", NULL, irq_ch); in blogic_init_fp_probeinfo()
877 blogic_notice("BusLogic: FlashPoint Host Adapter detected at\n", NULL); in blogic_init_fp_probeinfo()
883 probeinfo->adapter_type = BLOGIC_FLASHPOINT; in blogic_init_fp_probeinfo()
884 probeinfo->adapter_bus_type = BLOGIC_PCI_BUS; in blogic_init_fp_probeinfo()
885 probeinfo->io_addr = io_addr; in blogic_init_fp_probeinfo()
886 probeinfo->pci_addr = pci_addr; in blogic_init_fp_probeinfo()
887 probeinfo->bus = bus; in blogic_init_fp_probeinfo()
888 probeinfo->dev = device; in blogic_init_fp_probeinfo()
889 probeinfo->irq_ch = irq_ch; in blogic_init_fp_probeinfo()
890 probeinfo->pci_device = pci_dev_get(pci_device); in blogic_init_fp_probeinfo()
893 blogic_warn("BusLogic: Too many Host Adapters detected\n", NULL); in blogic_init_fp_probeinfo()
895 …blogic_err("BusLogic: FlashPoint Host Adapter detected at PCI Bus %d Device %d\n", NULL, bus, devi… in blogic_init_fp_probeinfo()
901 The FlashPoint BIOS will scan for FlashPoint Host Adapters in the order of in blogic_init_fp_probeinfo()
912 Probe Information to be checked for potential BusLogic SCSI Host Adapters by
915 FlashPoint and PCI MultiMaster Host Adapters are present, this driver will
916 probe for FlashPoint Host Adapters first unless the BIOS primary disk is
917 controlled by the first PCI MultiMaster Host Adapter, in which case
918 MultiMaster Host Adapters will be probed first. The BusLogic Driver Options
927 FlashPoint Host Adapters; otherwise, default to the standard in blogic_init_probeinfo_list()
947 while (probeinfo->adapter_bus_type != in blogic_init_probeinfo_list()
950 myadapter->io_addr = probeinfo->io_addr; in blogic_init_probeinfo_list()
962 PCI MultiMaster Host Adapter, then reverse in blogic_init_probeinfo_list()
963 the probe order so that MultiMaster Host in blogic_init_probeinfo_list()
964 Adapters are probed before FlashPoint Host in blogic_init_probeinfo_list()
969 int mmcount = blogic_probeinfo_count - fpcount; in blogic_init_probeinfo_list()
994 if (adapter->adapter_bus_type == BLOGIC_PCI_BUS) { in blogic_failure()
995 blogic_err("While configuring BusLogic PCI Host Adapter at\n", in blogic_failure()
997 …Address 0x%lX PCI Address 0x%lX:\n", adapter, adapter->bus, adapter->dev, adapter->io_addr, adapte… in blogic_failure()
999 …blogic_err("While configuring BusLogic Host Adapter at I/O Address 0x%lX:\n", adapter, adapter->io… in blogic_failure()
1000 blogic_err("%s FAILED - DETACHING\n", adapter, msg); in blogic_failure()
1002 blogic_err("ADDITIONAL FAILURE INFO - %s\n", adapter, in blogic_failure()
1009 blogic_probe probes for a BusLogic Host Adapter.
1018 FlashPoint Host Adapters are Probed by the FlashPoint SCCB Manager. in blogic_probe()
1021 struct fpoint_info *fpinfo = &adapter->fpinfo; in blogic_probe()
1022 fpinfo->base_addr = (u32) adapter->io_addr; in blogic_probe()
1023 fpinfo->irq_ch = adapter->irq_ch; in blogic_probe()
1024 fpinfo->present = false; in blogic_probe()
1026 fpinfo->present)) { in blogic_probe()
1027 …blogic_err("BusLogic: FlashPoint Host Adapter detected at PCI Bus %d Device %d\n", adapter, adapte… in blogic_probe()
1028 … Address 0x%lX PCI Address 0x%lX, but FlashPoint\n", adapter, adapter->io_addr, adapter->pci_addr); in blogic_probe()
1033 blogic_notice("BusLogic_Probe(0x%lX): FlashPoint Found\n", adapter, adapter->io_addr); in blogic_probe()
1035 Indicate the Host Adapter Probe completed successfully. in blogic_probe()
1042 BusLogic Host Adapter. A nonexistent I/O port will return 0xFF, in which in blogic_probe()
1043 case there is definitely no BusLogic Host Adapter at this base I/O Address. in blogic_probe()
1044 The test here is a subset of that used by the BusLogic Host Adapter BIOS. in blogic_probe()
1050 …x%lX): Status 0x%02X, Interrupt 0x%02X, Geometry 0x%02X\n", adapter, adapter->io_addr, statusreg.a… in blogic_probe()
1057 an I/O port that responded. Adaptec Host Adapters do not in blogic_probe()
1062 later when the Inquire Extended Setup Information command is in blogic_probe()
1063 issued in blogic_checkadapter. The AMI FastDisk Host Adapter in blogic_probe()
1065 earlier BusLogic Host Adapters, including the undocumented in blogic_probe()
1074 Indicate the Host Adapter Probe completed successfully. in blogic_probe()
1081 blogic_hwreset issues a Hardware Reset to the Host Adapter
1082 and waits for Host Adapter Diagnostics to complete. If hard_reset is true, a
1084 Soft Reset is performed which only resets the Host Adapter without forcing a
1093 FlashPoint Host Adapters are Hard Reset by the FlashPoint in blogic_hwreset()
1097 struct fpoint_info *fpinfo = &adapter->fpinfo; in blogic_hwreset()
1098 fpinfo->softreset = !hard_reset; in blogic_hwreset()
1099 fpinfo->report_underrun = true; in blogic_hwreset()
1100 adapter->cardhandle = in blogic_hwreset()
1102 if (adapter->cardhandle == (void *)FPOINT_BADCARD_HANDLE) in blogic_hwreset()
1105 Indicate the Host Adapter Hard Reset completed successfully. in blogic_hwreset()
1110 Issue a Hard Reset or Soft Reset Command to the Host Adapter. in blogic_hwreset()
1111 The Host Adapter should respond by setting Diagnostic Active in in blogic_hwreset()
1122 while (--timeout >= 0) { in blogic_hwreset()
1129 …_HardwareReset(0x%lX): Diagnostic Active, Status 0x%02X\n", adapter, adapter->io_addr, statusreg.a… in blogic_hwreset()
1142 while (--timeout >= 0) { in blogic_hwreset()
1149 …rdwareReset(0x%lX): Diagnostic Completed, Status 0x%02X\n", adapter, adapter->io_addr, statusreg.a… in blogic_hwreset()
1153 Wait until at least one of the Diagnostic Failure, Host Adapter in blogic_hwreset()
1157 while (--timeout >= 0) { in blogic_hwreset()
1165 …blogic_notice("BusLogic_HardwareReset(0x%lX): Host Adapter Ready, Status 0x%02X\n", adapter, adapt… in blogic_hwreset()
1169 If Diagnostic Failure is set or Host Adapter Ready is reset, in blogic_hwreset()
1170 then an error occurred during the Host Adapter diagnostics. in blogic_hwreset()
1177 blogic_err("HOST ADAPTER STATUS REGISTER = %02X\n", adapter, in blogic_hwreset()
1180 blogic_err("HOST ADAPTER ERROR CODE = %d\n", adapter, in blogic_hwreset()
1185 Indicate the Host Adapter Hard Reset completed successfully. in blogic_hwreset()
1193 Host Adapter.
1202 FlashPoint Host Adapters do not require this protection. in blogic_checkadapter()
1207 Issue the Inquire Extended Setup Information command. Only genuine in blogic_checkadapter()
1208 BusLogic Host Adapters and true clones support this command. in blogic_checkadapter()
1209 Adaptec 1542C series Host Adapters that respond to the Geometry in blogic_checkadapter()
1210 Register I/O port will fail this command. in blogic_checkadapter()
1222 adapter->io_addr, in blogic_checkadapter()
1230 from Host Adapter and initializes the Host Adapter structure.
1250 Configuration Information for FlashPoint Host Adapters is in blogic_rdconfig()
1253 Host Adapter structure from the fpoint_info structure. in blogic_rdconfig()
1256 struct fpoint_info *fpinfo = &adapter->fpinfo; in blogic_rdconfig()
1257 tgt = adapter->model; in blogic_rdconfig()
1260 *tgt++ = '-'; in blogic_rdconfig()
1261 for (i = 0; i < sizeof(fpinfo->model); i++) in blogic_rdconfig()
1262 *tgt++ = fpinfo->model[i]; in blogic_rdconfig()
1264 strcpy(adapter->fw_ver, FLASHPOINT_FW_VER); in blogic_rdconfig()
1265 adapter->scsi_id = fpinfo->scsi_id; in blogic_rdconfig()
1266 adapter->ext_trans_enable = fpinfo->ext_trans_enable; in blogic_rdconfig()
1267 adapter->parity = fpinfo->parity; in blogic_rdconfig()
1268 adapter->reset_enabled = !fpinfo->softreset; in blogic_rdconfig()
1269 adapter->level_int = true; in blogic_rdconfig()
1270 adapter->wide = fpinfo->wide; in blogic_rdconfig()
1271 adapter->differential = false; in blogic_rdconfig()
1272 adapter->scam = true; in blogic_rdconfig()
1273 adapter->ultra = true; in blogic_rdconfig()
1274 adapter->ext_lun = true; in blogic_rdconfig()
1275 adapter->terminfo_valid = true; in blogic_rdconfig()
1276 adapter->low_term = fpinfo->low_term; in blogic_rdconfig()
1277 adapter->high_term = fpinfo->high_term; in blogic_rdconfig()
1278 adapter->scam_enabled = fpinfo->scam_enabled; in blogic_rdconfig()
1279 adapter->scam_lev2 = fpinfo->scam_lev2; in blogic_rdconfig()
1280 adapter->drvr_sglimit = BLOGIC_SG_LIMIT; in blogic_rdconfig()
1281 adapter->maxdev = (adapter->wide ? 16 : 8); in blogic_rdconfig()
1282 adapter->maxlun = 32; in blogic_rdconfig()
1283 adapter->initccbs = 4 * BLOGIC_CCB_GRP_ALLOCSIZE; in blogic_rdconfig()
1284 adapter->inc_ccbs = BLOGIC_CCB_GRP_ALLOCSIZE; in blogic_rdconfig()
1285 adapter->drvr_qdepth = 255; in blogic_rdconfig()
1286 adapter->adapter_qdepth = adapter->drvr_qdepth; in blogic_rdconfig()
1287 adapter->sync_ok = fpinfo->sync_ok; in blogic_rdconfig()
1288 adapter->fast_ok = fpinfo->fast_ok; in blogic_rdconfig()
1289 adapter->ultra_ok = fpinfo->ultra_ok; in blogic_rdconfig()
1290 adapter->wide_ok = fpinfo->wide_ok; in blogic_rdconfig()
1291 adapter->discon_ok = fpinfo->discon_ok; in blogic_rdconfig()
1292 adapter->tagq_ok = 0xFFFF; in blogic_rdconfig()
1296 Issue the Inquire Board ID command. in blogic_rdconfig()
1302 Issue the Inquire Configuration command. in blogic_rdconfig()
1309 Issue the Inquire Setup Information command. in blogic_rdconfig()
1317 Issue the Inquire Extended Setup Information command. in blogic_rdconfig()
1326 Issue the Inquire Firmware Version 3rd Digit command. in blogic_rdconfig()
1336 Issue the Inquire Host Adapter Model Number command. in blogic_rdconfig()
1339 /* BusLogic BT-542B ISA 2.xx */ in blogic_rdconfig()
1344 /* BusLogic BT-742A EISA 2.1x or 2.20 */ in blogic_rdconfig()
1355 "INQUIRE HOST ADAPTER MODEL NUMBER"); in blogic_rdconfig()
1358 BusLogic MultiMaster Host Adapters can be identified by their in blogic_rdconfig()
1362 5.xx BusLogic "W" Series Host Adapters: in blogic_rdconfig()
1363 BT-948/958/958D in blogic_rdconfig()
1364 4.xx BusLogic "C" Series Host Adapters: in blogic_rdconfig()
1365 BT-946C/956C/956CD/747C/757C/757CD/445C/545C/540CF in blogic_rdconfig()
1366 3.xx BusLogic "S" Series Host Adapters: in blogic_rdconfig()
1367 BT-747S/747D/757S/757D/445S/545S/542D in blogic_rdconfig()
1368 BT-542B/742A (revision H) in blogic_rdconfig()
1369 2.xx BusLogic "A" Series Host Adapters: in blogic_rdconfig()
1370 BT-542B/742A (revision G and below) in blogic_rdconfig()
1371 0.xx AMI FastDisk VLB/EISA BusLogic Clone Host Adapter in blogic_rdconfig()
1374 Save the Model Name and Host Adapter Name in the Host Adapter in blogic_rdconfig()
1377 tgt = adapter->model; in blogic_rdconfig()
1380 *tgt++ = '-'; in blogic_rdconfig()
1389 Save the Firmware Version in the Host Adapter structure. in blogic_rdconfig()
1391 tgt = adapter->fw_ver; in blogic_rdconfig()
1399 Issue the Inquire Firmware Version Letter command. in blogic_rdconfig()
1401 if (strcmp(adapter->fw_ver, "3.3") >= 0) { in blogic_rdconfig()
1412 Save the Host Adapter SCSI ID in the Host Adapter structure. in blogic_rdconfig()
1414 adapter->scsi_id = config.id; in blogic_rdconfig()
1416 Determine the Bus Type and save it in the Host Adapter structure, in blogic_rdconfig()
1418 and save the DMA Channel for ISA Host Adapters. in blogic_rdconfig()
1420 adapter->adapter_bus_type = in blogic_rdconfig()
1421 blogic_adater_bus_types[adapter->model[3] - '4']; in blogic_rdconfig()
1422 if (adapter->irq_ch == 0) { in blogic_rdconfig()
1424 adapter->irq_ch = 9; in blogic_rdconfig()
1426 adapter->irq_ch = 10; in blogic_rdconfig()
1428 adapter->irq_ch = 11; in blogic_rdconfig()
1430 adapter->irq_ch = 12; in blogic_rdconfig()
1432 adapter->irq_ch = 14; in blogic_rdconfig()
1434 adapter->irq_ch = 15; in blogic_rdconfig()
1438 the Host Adapter structure. in blogic_rdconfig()
1441 adapter->ext_trans_enable = georeg.gr.ext_trans_enable; in blogic_rdconfig()
1445 Ultra SCSI flag in the Host Adapter structure. in blogic_rdconfig()
1447 adapter->adapter_sglimit = ext_setupinfo.sg_limit; in blogic_rdconfig()
1448 adapter->drvr_sglimit = adapter->adapter_sglimit; in blogic_rdconfig()
1449 if (adapter->adapter_sglimit > BLOGIC_SG_LIMIT) in blogic_rdconfig()
1450 adapter->drvr_sglimit = BLOGIC_SG_LIMIT; in blogic_rdconfig()
1452 adapter->level_int = true; in blogic_rdconfig()
1453 adapter->wide = ext_setupinfo.wide; in blogic_rdconfig()
1454 adapter->differential = ext_setupinfo.differential; in blogic_rdconfig()
1455 adapter->scam = ext_setupinfo.scam; in blogic_rdconfig()
1456 adapter->ultra = ext_setupinfo.ultra; in blogic_rdconfig()
1459 information in the Host Adapter structure. in blogic_rdconfig()
1461 if (adapter->fw_ver[0] == '5' || (adapter->fw_ver[0] == '4' && in blogic_rdconfig()
1462 adapter->wide)) in blogic_rdconfig()
1463 adapter->ext_lun = true; in blogic_rdconfig()
1465 Issue the Inquire PCI Host Adapter Information command to read the in blogic_rdconfig()
1466 Termination Information from "W" series MultiMaster Host Adapters. in blogic_rdconfig()
1468 if (adapter->fw_ver[0] == '5') { in blogic_rdconfig()
1473 "INQUIRE PCI HOST ADAPTER INFORMATION"); in blogic_rdconfig()
1475 Save the Termination Information in the Host Adapter in blogic_rdconfig()
1479 adapter->terminfo_valid = true; in blogic_rdconfig()
1480 adapter->low_term = adapter_info.low_term; in blogic_rdconfig()
1481 adapter->high_term = adapter_info.high_term; in blogic_rdconfig()
1485 Issue the Fetch Host Adapter Local RAM command to read the in blogic_rdconfig()
1486 AutoSCSI data from "W" and "C" series MultiMaster Host Adapters. in blogic_rdconfig()
1488 if (adapter->fw_ver[0] >= '4') { in blogic_rdconfig()
1495 "FETCH HOST ADAPTER LOCAL RAM"); in blogic_rdconfig()
1498 and Termination Information in the Host Adapter structure. in blogic_rdconfig()
1500 adapter->parity = autoscsi.parity; in blogic_rdconfig()
1501 adapter->reset_enabled = autoscsi.reset_enabled; in blogic_rdconfig()
1502 if (adapter->fw_ver[0] == '4') { in blogic_rdconfig()
1503 adapter->terminfo_valid = true; in blogic_rdconfig()
1504 adapter->low_term = autoscsi.low_term; in blogic_rdconfig()
1505 adapter->high_term = autoscsi.high_term; in blogic_rdconfig()
1510 SCAM Information in the Host Adapter structure. in blogic_rdconfig()
1512 adapter->wide_ok = autoscsi.wide_ok; in blogic_rdconfig()
1513 adapter->fast_ok = autoscsi.fast_ok; in blogic_rdconfig()
1514 adapter->sync_ok = autoscsi.sync_ok; in blogic_rdconfig()
1515 adapter->discon_ok = autoscsi.discon_ok; in blogic_rdconfig()
1516 if (adapter->ultra) in blogic_rdconfig()
1517 adapter->ultra_ok = autoscsi.ultra_ok; in blogic_rdconfig()
1518 if (adapter->scam) { in blogic_rdconfig()
1519 adapter->scam_enabled = autoscsi.scam_enabled; in blogic_rdconfig()
1520 adapter->scam_lev2 = autoscsi.scam_lev2; in blogic_rdconfig()
1524 Initialize fields in the Host Adapter structure for "S" and "A" in blogic_rdconfig()
1525 series MultiMaster Host Adapters. in blogic_rdconfig()
1527 if (adapter->fw_ver[0] < '4') { in blogic_rdconfig()
1529 adapter->sync_ok = 0xFF; in blogic_rdconfig()
1530 if (adapter->adapter_bus_type == BLOGIC_EISA_BUS) { in blogic_rdconfig()
1532 adapter->fast_ok = 0xFF; in blogic_rdconfig()
1533 if (strcmp(adapter->model, "BT-757") == 0) in blogic_rdconfig()
1534 adapter->wide_ok = 0xFF; in blogic_rdconfig()
1537 adapter->discon_ok = 0xFF; in blogic_rdconfig()
1538 adapter->parity = setupinfo.parity; in blogic_rdconfig()
1539 adapter->reset_enabled = true; in blogic_rdconfig()
1543 supported by this driver for Wide and Narrow Host Adapters. in blogic_rdconfig()
1545 adapter->maxdev = (adapter->wide ? 16 : 8); in blogic_rdconfig()
1546 adapter->maxlun = (adapter->ext_lun ? 32 : 8); in blogic_rdconfig()
1555 not supported, then the Host Adapter must scan all the Outgoing in blogic_rdconfig()
1557 cause a substantial performance penalty. The host adapters in blogic_rdconfig()
1562 set to the Mailbox Count, rather than the Host Adapter Queue in blogic_rdconfig()
1567 192 BT-948/958/958D in blogic_rdconfig()
1568 100 BT-946C/956C/956CD/747C/757C/757CD/445C in blogic_rdconfig()
1569 50 BT-545C/540CF in blogic_rdconfig()
1570 30 BT-747S/747D/757S/757D/445S/545S/542D/542B/742A in blogic_rdconfig()
1572 if (adapter->fw_ver[0] == '5') in blogic_rdconfig()
1573 adapter->adapter_qdepth = 192; in blogic_rdconfig()
1574 else if (adapter->fw_ver[0] == '4') in blogic_rdconfig()
1575 adapter->adapter_qdepth = 100; in blogic_rdconfig()
1577 adapter->adapter_qdepth = 30; in blogic_rdconfig()
1578 if (strcmp(adapter->fw_ver, "3.31") >= 0) { in blogic_rdconfig()
1579 adapter->strict_rr = true; in blogic_rdconfig()
1580 adapter->mbox_count = BLOGIC_MAX_MAILBOX; in blogic_rdconfig()
1582 adapter->strict_rr = false; in blogic_rdconfig()
1583 adapter->mbox_count = 32; in blogic_rdconfig()
1585 adapter->drvr_qdepth = adapter->mbox_count; in blogic_rdconfig()
1586 adapter->initccbs = 4 * BLOGIC_CCB_GRP_ALLOCSIZE; in blogic_rdconfig()
1587 adapter->inc_ccbs = BLOGIC_CCB_GRP_ALLOCSIZE; in blogic_rdconfig()
1590 all "W" series MultiMaster Host Adapters, on "C" series in blogic_rdconfig()
1591 MultiMaster Host Adapters with firmware version 4.22 and above, in blogic_rdconfig()
1592 and on "S" series MultiMaster Host Adapters with firmware version in blogic_rdconfig()
1595 adapter->tagq_ok = 0; in blogic_rdconfig()
1596 switch (adapter->fw_ver[0]) { in blogic_rdconfig()
1598 adapter->tagq_ok = 0xFFFF; in blogic_rdconfig()
1601 if (strcmp(adapter->fw_ver, "4.22") >= 0) in blogic_rdconfig()
1602 adapter->tagq_ok = 0xFFFF; in blogic_rdconfig()
1605 if (strcmp(adapter->fw_ver, "3.35") >= 0) in blogic_rdconfig()
1606 adapter->tagq_ok = 0xFFFF; in blogic_rdconfig()
1610 Determine the Host Adapter BIOS Address if the BIOS is enabled and in blogic_rdconfig()
1611 save it in the Host Adapter structure. The BIOS is disabled if the in blogic_rdconfig()
1614 adapter->bios_addr = ext_setupinfo.bios_addr << 12; in blogic_rdconfig()
1616 BusLogic BT-445S Host Adapters prior to board revision E have a in blogic_rdconfig()
1619 incorrectly. Only properly functioning BT-445S Host Adapters in blogic_rdconfig()
1622 if (adapter->bios_addr > 0 && in blogic_rdconfig()
1623 strcmp(adapter->model, "BT-445S") == 0 && in blogic_rdconfig()
1624 strcmp(adapter->fw_ver, "3.37") < 0) in blogic_rdconfig()
1628 Host Adapters. in blogic_rdconfig()
1632 Initialize the Host Adapter Full Model Name from the Model Name. in blogic_rdconfig()
1634 strcpy(adapter->full_model, "BusLogic "); in blogic_rdconfig()
1635 strcat(adapter->full_model, adapter->model); in blogic_rdconfig()
1638 BusLogic Driver Options specification, or based on whether this Host in blogic_rdconfig()
1645 if (adapter->drvr_opts != NULL && in blogic_rdconfig()
1646 adapter->drvr_opts->qdepth[tgt_id] > 0) in blogic_rdconfig()
1647 qdepth = adapter->drvr_opts->qdepth[tgt_id]; in blogic_rdconfig()
1648 adapter->qdepth[tgt_id] = qdepth; in blogic_rdconfig()
1650 adapter->untag_qdepth = BLOGIC_UNTAG_DEPTH; in blogic_rdconfig()
1651 if (adapter->drvr_opts != NULL) in blogic_rdconfig()
1652 adapter->common_qdepth = adapter->drvr_opts->common_qdepth; in blogic_rdconfig()
1653 if (adapter->common_qdepth > 0 && in blogic_rdconfig()
1654 adapter->common_qdepth < adapter->untag_qdepth) in blogic_rdconfig()
1655 adapter->untag_qdepth = adapter->common_qdepth; in blogic_rdconfig()
1661 adapter->tagq_ok &= adapter->discon_ok; in blogic_rdconfig()
1666 if (adapter->drvr_opts != NULL) in blogic_rdconfig()
1667 adapter->tagq_ok = (adapter->drvr_opts->tagq_ok & in blogic_rdconfig()
1668 adapter->drvr_opts->tagq_ok_mask) | in blogic_rdconfig()
1669 (adapter->tagq_ok & ~adapter->drvr_opts->tagq_ok_mask); in blogic_rdconfig()
1676 if (adapter->drvr_opts != NULL && in blogic_rdconfig()
1677 adapter->drvr_opts->bus_settle_time > 0) in blogic_rdconfig()
1678 adapter->bus_settle_time = adapter->drvr_opts->bus_settle_time; in blogic_rdconfig()
1680 adapter->bus_settle_time = BLOGIC_BUS_SETTLE_TIME; in blogic_rdconfig()
1682 Indicate reading the Host Adapter Configuration completed in blogic_rdconfig()
1690 blogic_reportconfig reports the configuration of Host Adapter.
1695 unsigned short alltgt_mask = (1 << adapter->maxdev) - 1; in blogic_reportconfig()
1710 …Host Adapter\n", adapter, adapter->model, blogic_adapter_busnames[adapter->adapter_bus_type], (ada… in blogic_reportconfig()
1711 …s: 0x%lX, IRQ Channel: %d/%s\n", adapter, adapter->fw_ver, adapter->io_addr, adapter->irq_ch, (ada… in blogic_reportconfig()
1712 if (adapter->adapter_bus_type != BLOGIC_PCI_BUS) { in blogic_reportconfig()
1714 if (adapter->bios_addr > 0) in blogic_reportconfig()
1716 adapter->bios_addr); in blogic_reportconfig()
1721 adapter->bus, adapter->dev); in blogic_reportconfig()
1722 if (adapter->pci_addr > 0) in blogic_reportconfig()
1723 blogic_info("0x%lX, ", adapter, adapter->pci_addr); in blogic_reportconfig()
1727 blogic_info("Host Adapter SCSI ID: %d\n", adapter, adapter->scsi_id); in blogic_reportconfig()
1729 adapter, (adapter->parity ? "Enabled" : "Disabled"), in blogic_reportconfig()
1730 (adapter->ext_trans_enable ? "Enabled" : "Disabled")); in blogic_reportconfig()
1731 alltgt_mask &= ~(1 << adapter->scsi_id); in blogic_reportconfig()
1732 sync_ok = adapter->sync_ok & alltgt_mask; in blogic_reportconfig()
1733 fast_ok = adapter->fast_ok & alltgt_mask; in blogic_reportconfig()
1734 ultra_ok = adapter->ultra_ok & alltgt_mask; in blogic_reportconfig()
1736 (adapter->fw_ver[0] >= '4' || in blogic_reportconfig()
1737 adapter->adapter_bus_type == BLOGIC_EISA_BUS)) || in blogic_reportconfig()
1758 for (tgt_id = 0; tgt_id < adapter->maxdev; tgt_id++) in blogic_reportconfig()
1760 syncstr[adapter->scsi_id] = '#'; in blogic_reportconfig()
1761 syncstr[adapter->maxdev] = '\0'; in blogic_reportconfig()
1765 wide_ok = adapter->wide_ok & alltgt_mask; in blogic_reportconfig()
1771 for (tgt_id = 0; tgt_id < adapter->maxdev; tgt_id++) in blogic_reportconfig()
1773 widestr[adapter->scsi_id] = '#'; in blogic_reportconfig()
1774 widestr[adapter->maxdev] = '\0'; in blogic_reportconfig()
1776 discon_ok = adapter->discon_ok & alltgt_mask; in blogic_reportconfig()
1782 for (tgt_id = 0; tgt_id < adapter->maxdev; tgt_id++) in blogic_reportconfig()
1784 discon_str[adapter->scsi_id] = '#'; in blogic_reportconfig()
1785 discon_str[adapter->maxdev] = '\0'; in blogic_reportconfig()
1787 tagq_ok = adapter->tagq_ok & alltgt_mask; in blogic_reportconfig()
1793 for (tgt_id = 0; tgt_id < adapter->maxdev; tgt_id++) in blogic_reportconfig()
1795 tagq_str[adapter->scsi_id] = '#'; in blogic_reportconfig()
1796 tagq_str[adapter->maxdev] = '\0'; in blogic_reportconfig()
1803 … of %d segments, Mailboxes: %d\n", adapter, adapter->drvr_sglimit, adapter->adapter_sglimit, adapt… in blogic_reportconfig()
1804 …blogic_info(" Driver Queue Depth: %d, Host Adapter Queue Depth: %d\n", adapter, adapter->drvr_qde… in blogic_reportconfig()
1806 …Depth: %d, Scatter/Gather Limit: %d segments\n", adapter, adapter->drvr_qdepth, adapter->drvr_sgli… in blogic_reportconfig()
1809 for (tgt_id = 1; tgt_id < adapter->maxdev; tgt_id++) in blogic_reportconfig()
1810 if (adapter->qdepth[tgt_id] != adapter->qdepth[0]) { in blogic_reportconfig()
1815 if (adapter->qdepth[0] > 0) in blogic_reportconfig()
1816 blogic_info("%d", adapter, adapter->qdepth[0]); in blogic_reportconfig()
1822 adapter->untag_qdepth); in blogic_reportconfig()
1823 if (adapter->terminfo_valid) { in blogic_reportconfig()
1824 if (adapter->wide) in blogic_reportconfig()
1826 …(adapter->low_term ? (adapter->high_term ? "Both Enabled" : "Low Enabled") : (adapter->high_term ?… in blogic_reportconfig()
1829 (adapter->low_term ? "Enabled" : "Disabled")); in blogic_reportconfig()
1830 if (adapter->scam) in blogic_reportconfig()
1832 …(adapter->scam_enabled ? (adapter->scam_lev2 ? "Enabled, Level 2" : "Enabled, Level 1") : "Disable… in blogic_reportconfig()
1836 Indicate reporting the Host Adapter configuration completed in blogic_reportconfig()
1845 Host Adapter.
1850 if (adapter->irq_ch == 0) { in blogic_getres()
1851 blogic_err("NO LEGAL INTERRUPT CHANNEL ASSIGNED - DETACHING\n", in blogic_getres()
1858 if (request_irq(adapter->irq_ch, blogic_inthandler, IRQF_SHARED, in blogic_getres()
1859 adapter->full_model, adapter) < 0) { in blogic_getres()
1860 blogic_err("UNABLE TO ACQUIRE IRQ CHANNEL %d - DETACHING\n", in blogic_getres()
1861 adapter, adapter->irq_ch); in blogic_getres()
1864 adapter->irq_acquired = true; in blogic_getres()
1882 if (adapter->irq_acquired) in blogic_relres()
1883 free_irq(adapter->irq_ch, adapter); in blogic_relres()
1887 if (adapter->mbox_space) in blogic_relres()
1888 dma_free_coherent(&adapter->pci_device->dev, adapter->mbox_sz, in blogic_relres()
1889 adapter->mbox_space, adapter->mbox_space_handle); in blogic_relres()
1890 pci_dev_put(adapter->pci_device); in blogic_relres()
1891 adapter->mbox_space = NULL; in blogic_relres()
1892 adapter->mbox_space_handle = 0; in blogic_relres()
1893 adapter->mbox_sz = 0; in blogic_relres()
1898 blogic_initadapter initializes Host Adapter. This is the only
1899 function called during SCSI Host Adapter detection which modifies the state
1900 of the Host Adapter from its initial power on or hard reset state.
1914 adapter->firstccb = NULL; in blogic_initadapter()
1915 adapter->lastccb = NULL; in blogic_initadapter()
1919 Command Successful Flag, Active Commands, and Commands Since Reset in blogic_initadapter()
1922 for (tgt_id = 0; tgt_id < adapter->maxdev; tgt_id++) { in blogic_initadapter()
1923 adapter->bdr_pend[tgt_id] = NULL; in blogic_initadapter()
1924 adapter->tgt_flags[tgt_id].tagq_active = false; in blogic_initadapter()
1925 adapter->tgt_flags[tgt_id].cmd_good = false; in blogic_initadapter()
1926 adapter->active_cmds[tgt_id] = 0; in blogic_initadapter()
1927 adapter->cmds_since_rst[tgt_id] = 0; in blogic_initadapter()
1931 FlashPoint Host Adapters do not use Outgoing and Incoming Mailboxes. in blogic_initadapter()
1939 …adapter->mbox_sz = adapter->mbox_count * (sizeof(struct blogic_outbox) + sizeof(struct blogic_inbo… in blogic_initadapter()
1940 adapter->mbox_space = dma_alloc_coherent(&adapter->pci_device->dev, in blogic_initadapter()
1941 adapter->mbox_sz, &adapter->mbox_space_handle, in blogic_initadapter()
1943 if (adapter->mbox_space == NULL) in blogic_initadapter()
1945 adapter->first_outbox = (struct blogic_outbox *) adapter->mbox_space; in blogic_initadapter()
1946 adapter->last_outbox = adapter->first_outbox + adapter->mbox_count - 1; in blogic_initadapter()
1947 adapter->next_outbox = adapter->first_outbox; in blogic_initadapter()
1948 adapter->first_inbox = (struct blogic_inbox *) (adapter->last_outbox + 1); in blogic_initadapter()
1949 adapter->last_inbox = adapter->first_inbox + adapter->mbox_count - 1; in blogic_initadapter()
1950 adapter->next_inbox = adapter->first_inbox; in blogic_initadapter()
1955 memset(adapter->first_outbox, 0, in blogic_initadapter()
1956 adapter->mbox_count * sizeof(struct blogic_outbox)); in blogic_initadapter()
1957 memset(adapter->first_inbox, 0, in blogic_initadapter()
1958 adapter->mbox_count * sizeof(struct blogic_inbox)); in blogic_initadapter()
1961 Initialize the Host Adapter's Pointer to the Outgoing/Incoming in blogic_initadapter()
1964 extmbox_req.mbox_count = adapter->mbox_count; in blogic_initadapter()
1965 extmbox_req.base_mbox_addr = (u32) adapter->mbox_space_handle; in blogic_initadapter()
1970 Enable Strict Round Robin Mode if supported by the Host Adapter. In in blogic_initadapter()
1971 Strict Round Robin Mode, the Host Adapter only looks at the next in blogic_initadapter()
1972 Outgoing Mailbox for each new command, rather than scanning in blogic_initadapter()
1977 if (adapter->strict_rr) { in blogic_initadapter()
1986 For Host Adapters that support Extended LUN Format CCBs, issue the in blogic_initadapter()
1987 Set CCB Format command to allow 32 Logical Units per Target Device. in blogic_initadapter()
1989 if (adapter->ext_lun) { in blogic_initadapter()
2000 if (!adapter->adapter_initd) { in blogic_initadapter()
2002 adapter->full_model); in blogic_initadapter()
2006 adapter->full_model); in blogic_initadapter()
2007 adapter->adapter_initd = true; in blogic_initadapter()
2010 Indicate the Host Adapter Initialization completed successfully. in blogic_initadapter()
2018 through Host Adapter.
2031 Wait a few seconds between the Host Adapter Hard Reset which in blogic_inquiry()
2036 blogic_delay(adapter->bus_settle_time); in blogic_inquiry()
2038 FlashPoint Host Adapters do not provide for Target Device Inquiry. in blogic_inquiry()
2045 if (adapter->drvr_opts != NULL && adapter->drvr_opts->stop_tgt_inquiry) in blogic_inquiry()
2048 Issue the Inquire Target Devices command for host adapters with in blogic_inquiry()
2050 ID 0 to 7 command for older host adapters. This is necessary to in blogic_inquiry()
2053 valid data. The Inquire Target Devices command is preferable to in blogic_inquiry()
2057 if (strcmp(adapter->fw_ver, "4.25") >= 0) { in blogic_inquiry()
2060 Issue a Inquire Target Devices command. Inquire Target in blogic_inquiry()
2063 Logical Units 0 - 7. Two bytes are returned, where byte in blogic_inquiry()
2071 for (tgt_id = 0; tgt_id < adapter->maxdev; tgt_id++) in blogic_inquiry()
2072 adapter->tgt_flags[tgt_id].tgt_exists = in blogic_inquiry()
2077 Issue an Inquire Installed Devices command. For each in blogic_inquiry()
2089 adapter->tgt_flags[tgt_id].tgt_exists = in blogic_inquiry()
2093 Issue the Inquire Setup Information command. in blogic_inquiry()
2100 for (tgt_id = 0; tgt_id < adapter->maxdev; tgt_id++) in blogic_inquiry()
2101 …adapter->sync_offset[tgt_id] = (tgt_id < 8 ? setupinfo.sync0to7[tgt_id].offset : setupinfo.sync8to… in blogic_inquiry()
2102 if (strcmp(adapter->fw_ver, "5.06L") >= 0) in blogic_inquiry()
2103 for (tgt_id = 0; tgt_id < adapter->maxdev; tgt_id++) in blogic_inquiry()
2104 …->tgt_flags[tgt_id].wide_active = (tgt_id < 8 ? (setupinfo.wide_tx_active0to7 & (1 << tgt_id) ? tr… in blogic_inquiry()
2106 Issue the Inquire Synchronous Period command. in blogic_inquiry()
2108 if (adapter->fw_ver[0] >= '3') { in blogic_inquiry()
2110 /* Issue a Inquire Synchronous Period command. For each in blogic_inquiry()
2121 for (tgt_id = 0; tgt_id < adapter->maxdev; tgt_id++) in blogic_inquiry()
2122 adapter->sync_period[tgt_id] = sync_period[tgt_id]; in blogic_inquiry()
2124 for (tgt_id = 0; tgt_id < adapter->maxdev; tgt_id++) in blogic_inquiry()
2126 adapter->sync_period[tgt_id] = 20 + 5 * setupinfo.sync0to7[tgt_id].tx_period; in blogic_inquiry()
2134 blogic_inithoststruct initializes the fields in the SCSI Host
2136 SCSI Host structure are intentionally left uninitialized, as this driver
2138 ensuring exclusive access to the Host Adapter hardware and data structures
2139 through explicit acquisition and release of the Host Adapter's Lock.
2143 struct Scsi_Host *host) in blogic_inithoststruct() argument
2145 host->max_id = adapter->maxdev; in blogic_inithoststruct()
2146 host->max_lun = adapter->maxlun; in blogic_inithoststruct()
2147 host->max_channel = 0; in blogic_inithoststruct()
2148 host->unique_id = adapter->io_addr; in blogic_inithoststruct()
2149 host->this_id = adapter->scsi_id; in blogic_inithoststruct()
2150 host->can_queue = adapter->drvr_qdepth; in blogic_inithoststruct()
2151 host->sg_tablesize = adapter->drvr_sglimit; in blogic_inithoststruct()
2152 host->cmd_per_lun = adapter->untag_qdepth; in blogic_inithoststruct()
2167 (struct blogic_adapter *) dev->host->hostdata; in blogic_sdev_configure()
2168 int tgt_id = dev->id; in blogic_sdev_configure()
2169 int qdepth = adapter->qdepth[tgt_id]; in blogic_sdev_configure()
2171 if (adapter->tgt_flags[tgt_id].tagq_ok && in blogic_sdev_configure()
2172 (adapter->tagq_ok & (1 << tgt_id))) { in blogic_sdev_configure()
2175 adapter->qdepth[tgt_id] = qdepth; in blogic_sdev_configure()
2178 adapter->tagq_ok &= ~(1 << tgt_id); in blogic_sdev_configure()
2179 qdepth = adapter->untag_qdepth; in blogic_sdev_configure()
2180 adapter->qdepth[tgt_id] = qdepth; in blogic_sdev_configure()
2184 for (tgt_id = 0; tgt_id < adapter->maxdev; tgt_id++) in blogic_sdev_configure()
2185 if (adapter->tgt_flags[tgt_id].tgt_exists) in blogic_sdev_configure()
2186 qdepth += adapter->qdepth[tgt_id]; in blogic_sdev_configure()
2187 if (qdepth > adapter->alloc_ccbs) in blogic_sdev_configure()
2188 blogic_create_addlccbs(adapter, qdepth - adapter->alloc_ccbs, in blogic_sdev_configure()
2194 blogic_init probes for BusLogic Host Adapters at the standard
2196 reporting the configuration of each BusLogic Host Adapter it finds. It
2197 returns the number of BusLogic Host Adapters successfully initialized and
2213 return -ENODEV; in blogic_init()
2220 return -ENOMEM; in blogic_init()
2226 blogic_err("BusLogic: Unable to allocate Prototype Host Adapter\n", NULL); in blogic_init()
2227 return -ENOMEM; in blogic_init()
2239 struct Scsi_Host *host; in blogic_init() local
2241 if (probeinfo->io_addr == 0) in blogic_init()
2244 myadapter->adapter_type = probeinfo->adapter_type; in blogic_init()
2245 myadapter->adapter_bus_type = probeinfo->adapter_bus_type; in blogic_init()
2246 myadapter->io_addr = probeinfo->io_addr; in blogic_init()
2247 myadapter->pci_addr = probeinfo->pci_addr; in blogic_init()
2248 myadapter->bus = probeinfo->bus; in blogic_init()
2249 myadapter->dev = probeinfo->dev; in blogic_init()
2250 myadapter->pci_device = probeinfo->pci_device; in blogic_init()
2251 myadapter->irq_ch = probeinfo->irq_ch; in blogic_init()
2252 myadapter->addr_count = in blogic_init()
2253 blogic_adapter_addr_count[myadapter->adapter_type]; in blogic_init()
2258 if (!request_region(myadapter->io_addr, myadapter->addr_count, in blogic_init()
2262 Probe the Host Adapter. If unsuccessful, abort further in blogic_init()
2266 release_region(myadapter->io_addr, in blogic_init()
2267 myadapter->addr_count); in blogic_init()
2271 Hard Reset the Host Adapter. If unsuccessful, abort further in blogic_init()
2275 release_region(myadapter->io_addr, in blogic_init()
2276 myadapter->addr_count); in blogic_init()
2280 Check the Host Adapter. If unsuccessful, abort further in blogic_init()
2284 release_region(myadapter->io_addr, in blogic_init()
2285 myadapter->addr_count); in blogic_init()
2292 myadapter->drvr_opts = in blogic_init()
2300 Register the SCSI Host structure. in blogic_init()
2303 host = scsi_host_alloc(&blogic_template, in blogic_init()
2305 if (host == NULL) { in blogic_init()
2306 release_region(myadapter->io_addr, in blogic_init()
2307 myadapter->addr_count); in blogic_init()
2310 myadapter = (struct blogic_adapter *) host->hostdata; in blogic_init()
2312 myadapter->scsi_host = host; in blogic_init()
2313 myadapter->host_no = host->host_no; in blogic_init()
2315 Add Host Adapter to the end of the list of registered in blogic_init()
2316 BusLogic Host Adapters. in blogic_init()
2318 list_add_tail(&myadapter->host_list, &blogic_host_list); in blogic_init()
2321 Read the Host Adapter Configuration, Configure the Host in blogic_init()
2323 the Host Adapter, then Create the Initial CCBs, Initialize in blogic_init()
2324 the Host Adapter, and finally perform Target Device in blogic_init()
2326 assumed to be due to a problem with the Host Adapter, in blogic_init()
2328 as belonging to a BusLogic Host Adapter. The I/O Address in blogic_init()
2330 being incorrectly identified as any other type of Host in blogic_init()
2341 Release and re-register usage of the I/O Address in blogic_init()
2342 range so that the Model Name of the Host Adapter in blogic_init()
2343 will appear, and initialize the SCSI Host structure. in blogic_init()
2345 release_region(myadapter->io_addr, in blogic_init()
2346 myadapter->addr_count); in blogic_init()
2347 if (!request_region(myadapter->io_addr, in blogic_init()
2348 myadapter->addr_count, in blogic_init()
2349 myadapter->full_model)) { in blogic_init()
2351 "BusLogic: Release and re-register of " in blogic_init()
2353 (unsigned long)myadapter->io_addr); in blogic_init()
2356 list_del(&myadapter->host_list); in blogic_init()
2357 scsi_host_put(host); in blogic_init()
2358 ret = -ENOMEM; in blogic_init()
2361 host); in blogic_init()
2362 if (scsi_add_host(host, myadapter->pci_device in blogic_init()
2363 ? &myadapter->pci_device->dev in blogic_init()
2370 list_del(&myadapter->host_list); in blogic_init()
2371 scsi_host_put(host); in blogic_init()
2372 ret = -ENODEV; in blogic_init()
2374 scsi_scan_host(host); in blogic_init()
2378 An error occurred during Host Adapter Configuration in blogic_init()
2379 Querying, Host Adapter Configuration, Resource in blogic_init()
2380 Acquisition, CCB Creation, Host Adapter in blogic_init()
2382 remove Host Adapter from the list of registered in blogic_init()
2383 BusLogic Host Adapters, destroy the CCBs, Release in blogic_init()
2385 Host. in blogic_init()
2389 list_del(&myadapter->host_list); in blogic_init()
2390 scsi_host_put(host); in blogic_init()
2391 ret = -ENODEV; in blogic_init()
2403 support a specific Host Adapter, including the I/O Address range, and
2404 unregisters the BusLogic Host Adapter.
2409 struct Scsi_Host *host = adapter->scsi_host; in blogic_deladapter() local
2411 scsi_remove_host(host); in blogic_deladapter()
2414 FlashPoint Host Adapters must first be released by the FlashPoint in blogic_deladapter()
2418 FlashPoint_ReleaseHostAdapter(adapter->cardhandle); in blogic_deladapter()
2421 support Host Adapter. in blogic_deladapter()
2428 release_region(adapter->io_addr, adapter->addr_count); in blogic_deladapter()
2430 Remove Host Adapter from the list of registered BusLogic in blogic_deladapter()
2431 Host Adapters. in blogic_deladapter()
2433 list_del(&adapter->host_list); in blogic_deladapter()
2435 scsi_host_put(host); in blogic_deladapter()
2446 struct blogic_adapter *adapter = ccb->adapter; in blogic_qcompleted_ccb()
2448 ccb->status = BLOGIC_CCB_COMPLETE; in blogic_qcompleted_ccb()
2449 ccb->next = NULL; in blogic_qcompleted_ccb()
2450 if (adapter->firstccb == NULL) { in blogic_qcompleted_ccb()
2451 adapter->firstccb = ccb; in blogic_qcompleted_ccb()
2452 adapter->lastccb = ccb; in blogic_qcompleted_ccb()
2454 adapter->lastccb->next = ccb; in blogic_qcompleted_ccb()
2455 adapter->lastccb = ccb; in blogic_qcompleted_ccb()
2457 adapter->active_cmds[ccb->tgt_id]--; in blogic_qcompleted_ccb()
2463 the Host Adapter Status and Target Device Status.
2510 blogic_warn("Unknown Host Adapter Status 0x%02X\n", adapter, in blogic_resultcode()
2527 for (ccb = adapter->all_ccbs; ccb; ccb = ccb->next_all) in blogic_inbox_to_ccb()
2528 if (inbox->ccb == ccb->dma_handle) in blogic_inbox_to_ccb()
2543 is essential that for each CCB and SCSI Command issued, command in blogic_scan_inbox()
2545 only Incoming Mailboxes with completion code Command Completed in blogic_scan_inbox()
2546 Without Error, Command Completed With Error, or Command Aborted in blogic_scan_inbox()
2547 At Host Request are saved for completion processing. When an in blogic_scan_inbox()
2548 Incoming Mailbox has a completion code of Aborted Command Not in blogic_scan_inbox()
2553 struct blogic_inbox *next_inbox = adapter->next_inbox; in blogic_scan_inbox()
2556 while ((comp_code = next_inbox->comp_code) != BLOGIC_INBOX_FREE) { in blogic_scan_inbox()
2563 blogic_warn("Could not find CCB for dma address %x\n", adapter, next_inbox->ccb); in blogic_scan_inbox()
2565 if (ccb->status == BLOGIC_CCB_ACTIVE || in blogic_scan_inbox()
2566 ccb->status == BLOGIC_CCB_RESET) { in blogic_scan_inbox()
2571 ccb->comp_code = comp_code; in blogic_scan_inbox()
2578 the Host Adapter firmware. in blogic_scan_inbox()
2580 …blogic_warn("Illegal CCB #%ld status %d in Incoming Mailbox\n", adapter, ccb->serial, ccb->status); in blogic_scan_inbox()
2583 next_inbox->comp_code = BLOGIC_INBOX_FREE; in blogic_scan_inbox()
2584 if (++next_inbox > adapter->last_inbox) in blogic_scan_inbox()
2585 next_inbox = adapter->first_inbox; in blogic_scan_inbox()
2587 adapter->next_inbox = next_inbox; in blogic_scan_inbox()
2592 blogic_process_ccbs iterates over the completed CCBs for Host
2593 Adapter setting the SCSI Command Result Codes, deallocating the CCBs, and
2594 calling the SCSI Subsystem Completion Routines. The Host Adapter's Lock
2600 if (adapter->processing_ccbs) in blogic_process_ccbs()
2602 adapter->processing_ccbs = true; in blogic_process_ccbs()
2603 while (adapter->firstccb != NULL) { in blogic_process_ccbs()
2604 struct blogic_ccb *ccb = adapter->firstccb; in blogic_process_ccbs()
2605 struct scsi_cmnd *command = ccb->command; in blogic_process_ccbs() local
2606 adapter->firstccb = ccb->next; in blogic_process_ccbs()
2607 if (adapter->firstccb == NULL) in blogic_process_ccbs()
2608 adapter->lastccb = NULL; in blogic_process_ccbs()
2612 if (ccb->opcode == BLOGIC_BDR) { in blogic_process_ccbs()
2613 int tgt_id = ccb->tgt_id; in blogic_process_ccbs()
2615 blogic_warn("Bus Device Reset CCB #%ld to Target %d Completed\n", adapter, ccb->serial, tgt_id); in blogic_process_ccbs()
2616 blogic_inc_count(&adapter->tgt_stats[tgt_id].bdr_done); in blogic_process_ccbs()
2617 adapter->tgt_flags[tgt_id].tagq_active = false; in blogic_process_ccbs()
2618 adapter->cmds_since_rst[tgt_id] = 0; in blogic_process_ccbs()
2619 adapter->last_resetdone[tgt_id] = jiffies; in blogic_process_ccbs()
2621 Place CCB back on the Host Adapter's free list. in blogic_process_ccbs()
2626 Bus Device Reset CCBs have the command field in blogic_process_ccbs()
2627 non-NULL only when a Bus Device Reset was requested in blogic_process_ccbs()
2628 for a command that did not have a currently active in blogic_process_ccbs()
2629 CCB in the Host Adapter (i.e., a Synchronous Bus in blogic_process_ccbs()
2633 while (command != NULL) { in blogic_process_ccbs()
2635 command->reset_chain; in blogic_process_ccbs()
2636 command->reset_chain = NULL; in blogic_process_ccbs()
2637 command->result = DID_RESET << 16; in blogic_process_ccbs()
2638 scsi_done(command); in blogic_process_ccbs()
2639 command = nxt_cmd; in blogic_process_ccbs()
2643 Iterate over the CCBs for this Host Adapter in blogic_process_ccbs()
2647 for (ccb = adapter->all_ccbs; ccb != NULL; in blogic_process_ccbs()
2648 ccb = ccb->next_all) in blogic_process_ccbs()
2649 if (ccb->status == BLOGIC_CCB_RESET && in blogic_process_ccbs()
2650 ccb->tgt_id == tgt_id) { in blogic_process_ccbs()
2651 command = ccb->command; in blogic_process_ccbs()
2653 adapter->active_cmds[tgt_id]--; in blogic_process_ccbs()
2654 command->result = DID_RESET << 16; in blogic_process_ccbs()
2655 scsi_done(command); in blogic_process_ccbs()
2657 adapter->bdr_pend[tgt_id] = NULL; in blogic_process_ccbs()
2660 Translate the Completion Code, Host Adapter Status, in blogic_process_ccbs()
2664 switch (ccb->comp_code) { in blogic_process_ccbs()
2668 blogic_warn("CCB #%ld to Target %d Impossible State\n", adapter, ccb->serial, ccb->tgt_id); in blogic_process_ccbs()
2671 adapter->tgt_stats[ccb->tgt_id] in blogic_process_ccbs()
2673 adapter->tgt_flags[ccb->tgt_id] in blogic_process_ccbs()
2675 command->result = DID_OK << 16; in blogic_process_ccbs()
2679 adapter, ccb->serial, ccb->tgt_id); in blogic_process_ccbs()
2680 blogic_inc_count(&adapter->tgt_stats[ccb->tgt_id].aborts_done); in blogic_process_ccbs()
2681 command->result = DID_ABORT << 16; in blogic_process_ccbs()
2684 command->result = blogic_resultcode(adapter, in blogic_process_ccbs()
2685 ccb->adapter_status, ccb->tgt_status); in blogic_process_ccbs()
2686 if (ccb->adapter_status != BLOGIC_SELECT_TIMEOUT) { in blogic_process_ccbs()
2687 adapter->tgt_stats[ccb->tgt_id] in blogic_process_ccbs()
2691 blogic_notice("CCB #%ld Target %d: Result %X Host " in blogic_process_ccbs()
2692 …tus %02X Target Status %02X\n", adapter, ccb->serial, ccb->tgt_id, command->result, ccb->adapter_s… in blogic_process_ccbs()
2694 for (i = 0; i < ccb->cdblen; i++) in blogic_process_ccbs()
2695 blogic_notice(" %02X", adapter, ccb->cdb[i]); in blogic_process_ccbs()
2698 for (i = 0; i < ccb->sense_datalen; i++) in blogic_process_ccbs()
2699 blogic_notice(" %02X", adapter, command->sense_buffer[i]); in blogic_process_ccbs()
2706 When an INQUIRY command completes normally, save the in blogic_process_ccbs()
2710 if (ccb->cdb[0] == INQUIRY && ccb->cdb[1] == 0 && in blogic_process_ccbs()
2711 ccb->adapter_status == BLOGIC_CMD_CMPLT_NORMAL) { in blogic_process_ccbs()
2713 &adapter->tgt_flags[ccb->tgt_id]; in blogic_process_ccbs()
2715 (struct scsi_inquiry *) scsi_sglist(command); in blogic_process_ccbs()
2716 tgt_flags->tgt_exists = true; in blogic_process_ccbs()
2717 tgt_flags->tagq_ok = inquiry->CmdQue; in blogic_process_ccbs()
2718 tgt_flags->wide_ok = inquiry->WBus16; in blogic_process_ccbs()
2721 Place CCB back on the Host Adapter's free list. in blogic_process_ccbs()
2725 Call the SCSI Command Completion Routine. in blogic_process_ccbs()
2727 scsi_done(command); in blogic_process_ccbs()
2730 adapter->processing_ccbs = false; in blogic_process_ccbs()
2735 blogic_inthandler handles hardware interrupts from BusLogic Host
2744 Acquire exclusive access to Host Adapter. in blogic_inthandler()
2746 spin_lock_irqsave(adapter->scsi_host->host_lock, processor_flag); in blogic_inthandler()
2748 Handle Interrupts appropriately for each Host Adapter type. in blogic_inthandler()
2753 Read the Host Adapter Interrupt Register. in blogic_inthandler()
2758 Acknowledge the interrupt and reset the Host Adapter in blogic_inthandler()
2764 Mailbox Loaded Interrupts. Command Complete in blogic_inthandler()
2769 adapter->adapter_extreset = true; in blogic_inthandler()
2773 adapter->adapter_cmd_complete = true; in blogic_inthandler()
2777 Check if there is a pending interrupt for this Host Adapter. in blogic_inthandler()
2779 if (FlashPoint_InterruptPending(adapter->cardhandle)) in blogic_inthandler()
2780 switch (FlashPoint_HandleInterrupt(adapter->cardhandle)) { in blogic_inthandler()
2784 adapter->adapter_extreset = true; in blogic_inthandler()
2787 blogic_warn("Internal FlashPoint Error detected - Resetting Host Adapter\n", adapter); in blogic_inthandler()
2788 adapter->adapter_intern_err = true; in blogic_inthandler()
2795 if (adapter->firstccb != NULL) in blogic_inthandler()
2798 Reset the Host Adapter if requested. in blogic_inthandler()
2800 if (adapter->adapter_extreset) { in blogic_inthandler()
2801 blogic_warn("Resetting %s due to External SCSI Bus Reset\n", adapter, adapter->full_model); in blogic_inthandler()
2802 blogic_inc_count(&adapter->ext_resets); in blogic_inthandler()
2804 adapter->adapter_extreset = false; in blogic_inthandler()
2805 } else if (adapter->adapter_intern_err) { in blogic_inthandler()
2806 blogic_warn("Resetting %s due to Host Adapter Internal Error\n", adapter, adapter->full_model); in blogic_inthandler()
2807 blogic_inc_count(&adapter->adapter_intern_errors); in blogic_inthandler()
2809 adapter->adapter_intern_err = false; in blogic_inthandler()
2812 Release exclusive access to Host Adapter. in blogic_inthandler()
2814 spin_unlock_irqrestore(adapter->scsi_host->host_lock, processor_flag); in blogic_inthandler()
2821 Mailbox for execution by Host Adapter. The Host Adapter's Lock should
2830 next_outbox = adapter->next_outbox; in blogic_write_outbox()
2831 if (next_outbox->action == BLOGIC_OUTBOX_FREE) { in blogic_write_outbox()
2832 ccb->status = BLOGIC_CCB_ACTIVE; in blogic_write_outbox()
2835 since the Host Adapter is operating asynchronously and the in blogic_write_outbox()
2837 by the Host Adapter. in blogic_write_outbox()
2839 next_outbox->ccb = ccb->dma_handle; in blogic_write_outbox()
2840 next_outbox->action = action; in blogic_write_outbox()
2842 if (++next_outbox > adapter->last_outbox) in blogic_write_outbox()
2843 next_outbox = adapter->first_outbox; in blogic_write_outbox()
2844 adapter->next_outbox = next_outbox; in blogic_write_outbox()
2846 adapter->active_cmds[ccb->tgt_id]++; in blogic_write_outbox()
2847 if (ccb->opcode != BLOGIC_BDR) in blogic_write_outbox()
2848 adapter->tgt_stats[ccb->tgt_id].cmds_tried++; in blogic_write_outbox()
2860 (struct blogic_adapter *) SCpnt->device->host->hostdata; in blogic_hostreset()
2862 unsigned int id = SCpnt->device->id; in blogic_hostreset()
2863 struct blogic_tgt_stats *stats = &adapter->tgt_stats[id]; in blogic_hostreset()
2866 spin_lock_irq(SCpnt->device->host->host_lock); in blogic_hostreset()
2868 blogic_inc_count(&stats->adapter_reset_req); in blogic_hostreset()
2871 spin_unlock_irq(SCpnt->device->host->host_lock); in blogic_hostreset()
2876 blogic_qcmd creates a CCB for Command and places it into an
2877 Outgoing Mailbox for execution by the associated Host Adapter.
2880 static int blogic_qcmd_lck(struct scsi_cmnd *command) in blogic_qcmd_lck() argument
2884 (struct blogic_adapter *) command->device->host->hostdata; in blogic_qcmd_lck()
2886 &adapter->tgt_flags[command->device->id]; in blogic_qcmd_lck()
2887 struct blogic_tgt_stats *tgt_stats = adapter->tgt_stats; in blogic_qcmd_lck()
2888 unsigned char *cdb = command->cmnd; in blogic_qcmd_lck()
2889 int cdblen = command->cmd_len; in blogic_qcmd_lck()
2890 int tgt_id = command->device->id; in blogic_qcmd_lck()
2891 int lun = command->device->lun; in blogic_qcmd_lck()
2892 int buflen = scsi_bufflen(command); in blogic_qcmd_lck()
2899 Host Adapter for any errors, so they should not be executed in blogic_qcmd_lck()
2903 if (cdb[0] == REQUEST_SENSE && command->sense_buffer[0] != 0) { in blogic_qcmd_lck()
2904 command->result = DID_OK << 16; in blogic_qcmd_lck()
2905 comp_cb(command); in blogic_qcmd_lck()
2909 Allocate a CCB from the Host Adapter's free list. In the unlikely in blogic_qcmd_lck()
2911 wait 1 second and try again. If that fails, the Host Adapter is in blogic_qcmd_lck()
2912 probably hung so signal an error as a Host Adapter Hard Reset in blogic_qcmd_lck()
2917 spin_unlock_irq(adapter->scsi_host->host_lock); in blogic_qcmd_lck()
2919 spin_lock_irq(adapter->scsi_host->host_lock); in blogic_qcmd_lck()
2922 command->result = DID_ERROR << 16; in blogic_qcmd_lck()
2923 comp_cb(command); in blogic_qcmd_lck()
2929 Initialize the fields in the BusLogic Command Control Block (CCB). in blogic_qcmd_lck()
2931 count = scsi_dma_map(command); in blogic_qcmd_lck()
2937 ccb->opcode = BLOGIC_INITIATOR_CCB_SG; in blogic_qcmd_lck()
2938 ccb->datalen = count * sizeof(struct blogic_sg_seg); in blogic_qcmd_lck()
2940 ccb->data = (unsigned int) ccb->dma_handle + in blogic_qcmd_lck()
2941 ((unsigned long) &ccb->sglist - in blogic_qcmd_lck()
2944 ccb->data = virt_to_32bit_virt(ccb->sglist); in blogic_qcmd_lck()
2946 scsi_for_each_sg(command, sg, count, i) { in blogic_qcmd_lck()
2947 ccb->sglist[i].segbytes = sg_dma_len(sg); in blogic_qcmd_lck()
2948 ccb->sglist[i].segdata = sg_dma_address(sg); in blogic_qcmd_lck()
2951 ccb->opcode = BLOGIC_INITIATOR_CCB; in blogic_qcmd_lck()
2952 ccb->datalen = buflen; in blogic_qcmd_lck()
2953 ccb->data = 0; in blogic_qcmd_lck()
2959 ccb->datadir = BLOGIC_DATAIN_CHECKED; in blogic_qcmd_lck()
2966 ccb->datadir = BLOGIC_DATAOUT_CHECKED; in blogic_qcmd_lck()
2972 ccb->datadir = BLOGIC_UNCHECKED_TX; in blogic_qcmd_lck()
2975 ccb->cdblen = cdblen; in blogic_qcmd_lck()
2976 ccb->adapter_status = 0; in blogic_qcmd_lck()
2977 ccb->tgt_status = 0; in blogic_qcmd_lck()
2978 ccb->tgt_id = tgt_id; in blogic_qcmd_lck()
2979 ccb->lun = lun; in blogic_qcmd_lck()
2980 ccb->tag_enable = false; in blogic_qcmd_lck()
2981 ccb->legacytag_enable = false; in blogic_qcmd_lck()
2985 Tagged Queue fashion so that the Host Adapter and Target Device in blogic_qcmd_lck()
2994 from non-tagged to tagged commands, so it is necessary to wait in blogic_qcmd_lck()
2998 if (adapter->cmds_since_rst[tgt_id]++ >= BLOGIC_MAX_TAG_DEPTH && in blogic_qcmd_lck()
2999 !tgt_flags->tagq_active && in blogic_qcmd_lck()
3000 adapter->active_cmds[tgt_id] == 0 in blogic_qcmd_lck()
3001 && tgt_flags->tagq_ok && in blogic_qcmd_lck()
3002 (adapter->tagq_ok & (1 << tgt_id))) { in blogic_qcmd_lck()
3003 tgt_flags->tagq_active = true; in blogic_qcmd_lck()
3007 if (tgt_flags->tagq_active) { in blogic_qcmd_lck()
3012 a queued command will not remain in a disconnected state in blogic_qcmd_lck()
3019 last sequence point, this command will be issued with an in blogic_qcmd_lck()
3022 queued commands before this command may be executed. in blogic_qcmd_lck()
3024 if (adapter->active_cmds[tgt_id] == 0) in blogic_qcmd_lck()
3025 adapter->last_seqpoint[tgt_id] = jiffies; in blogic_qcmd_lck()
3027 adapter->last_seqpoint[tgt_id] + 4 * HZ)) { in blogic_qcmd_lck()
3028 adapter->last_seqpoint[tgt_id] = jiffies; in blogic_qcmd_lck()
3031 if (adapter->ext_lun) { in blogic_qcmd_lck()
3032 ccb->tag_enable = true; in blogic_qcmd_lck()
3033 ccb->queuetag = queuetag; in blogic_qcmd_lck()
3035 ccb->legacytag_enable = true; in blogic_qcmd_lck()
3036 ccb->legacy_tag = queuetag; in blogic_qcmd_lck()
3039 memcpy(ccb->cdb, cdb, cdblen); in blogic_qcmd_lck()
3040 ccb->sense_datalen = SCSI_SENSE_BUFFERSIZE; in blogic_qcmd_lck()
3041 ccb->command = command; in blogic_qcmd_lck()
3042 sense_buf = dma_map_single(&adapter->pci_device->dev, in blogic_qcmd_lck()
3043 command->sense_buffer, ccb->sense_datalen, in blogic_qcmd_lck()
3045 if (dma_mapping_error(&adapter->pci_device->dev, sense_buf)) { in blogic_qcmd_lck()
3051 ccb->sensedata = sense_buf; in blogic_qcmd_lck()
3059 again. If that fails, the Host Adapter is probably hung in blogic_qcmd_lck()
3060 so signal an error as a Host Adapter Hard Reset should in blogic_qcmd_lck()
3064 spin_unlock_irq(adapter->scsi_host->host_lock); in blogic_qcmd_lck()
3065 blogic_warn("Unable to write Outgoing Mailbox - Pausing for 1 second\n", adapter); in blogic_qcmd_lck()
3067 spin_lock_irq(adapter->scsi_host->host_lock); in blogic_qcmd_lck()
3070 blogic_warn("Still unable to write Outgoing Mailbox - Host Adapter Dead?\n", adapter); in blogic_qcmd_lck()
3072 command->result = DID_ERROR << 16; in blogic_qcmd_lck()
3073 scsi_done(command); in blogic_qcmd_lck()
3081 ccb->status = BLOGIC_CCB_ACTIVE; in blogic_qcmd_lck()
3082 adapter->active_cmds[tgt_id]++; in blogic_qcmd_lck()
3084 FlashPoint_StartCCB(adapter->cardhandle, ccb); in blogic_qcmd_lck()
3086 The Command may have already completed and in blogic_qcmd_lck()
3090 if (ccb->status == BLOGIC_CCB_COMPLETE) in blogic_qcmd_lck()
3100 blogic_abort aborts Command if possible. in DEF_SCSI_QCMD()
3103 static int blogic_abort(struct scsi_cmnd *command) in DEF_SCSI_QCMD()
3106 (struct blogic_adapter *) command->device->host->hostdata; in DEF_SCSI_QCMD()
3108 int tgt_id = command->device->id; in DEF_SCSI_QCMD()
3110 blogic_inc_count(&adapter->tgt_stats[tgt_id].aborts_request); in DEF_SCSI_QCMD()
3113 Attempt to find an Active CCB for this Command. If no Active in DEF_SCSI_QCMD()
3114 CCB for this Command is found, then no Abort is necessary. in DEF_SCSI_QCMD()
3116 for (ccb = adapter->all_ccbs; ccb != NULL; ccb = ccb->next_all) in DEF_SCSI_QCMD()
3117 if (ccb->command == command) in DEF_SCSI_QCMD()
3120 blogic_warn("Unable to Abort Command to Target %d - No CCB Found\n", adapter, tgt_id); in DEF_SCSI_QCMD()
3122 } else if (ccb->status == BLOGIC_CCB_COMPLETE) { in DEF_SCSI_QCMD()
3123 blogic_warn("Unable to Abort Command to Target %d - CCB Completed\n", adapter, tgt_id); in DEF_SCSI_QCMD()
3125 } else if (ccb->status == BLOGIC_CCB_RESET) { in DEF_SCSI_QCMD()
3126 blogic_warn("Unable to Abort Command to Target %d - CCB Reset\n", adapter, tgt_id); in DEF_SCSI_QCMD()
3133 generate the non-tagged Abort message. Since non-tagged in DEF_SCSI_QCMD()
3134 commands are not sent by the Host Adapter until the queue in DEF_SCSI_QCMD()
3136 Abort message is treated as a non-tagged command, it is in DEF_SCSI_QCMD()
3142 if (adapter->tgt_flags[tgt_id].tagq_active && in DEF_SCSI_QCMD()
3143 adapter->fw_ver[0] < '5') { in DEF_SCSI_QCMD()
3144 …blogic_warn("Unable to Abort CCB #%ld to Target %d - Abort Tag Not Supported\n", adapter, ccb->ser… in DEF_SCSI_QCMD()
3149 adapter, ccb->serial, tgt_id); in DEF_SCSI_QCMD()
3150 blogic_inc_count(&adapter->tgt_stats[tgt_id].aborts_tried); in DEF_SCSI_QCMD()
3153 …blogic_warn("Unable to Abort CCB #%ld to Target %d - No Outgoing Mailboxes\n", adapter, ccb->seria… in DEF_SCSI_QCMD()
3162 ccb->serial, tgt_id); in DEF_SCSI_QCMD()
3163 blogic_inc_count(&adapter->tgt_stats[tgt_id].aborts_tried); in DEF_SCSI_QCMD()
3164 FlashPoint_AbortCCB(adapter->cardhandle, ccb); in DEF_SCSI_QCMD()
3170 if (ccb->status == BLOGIC_CCB_COMPLETE) in DEF_SCSI_QCMD()
3179 blogic_resetadapter resets Host Adapter if possible, marking all
3189 * Attempt to Reset and Reinitialize the Host Adapter.
3195 adapter->full_model);
3203 for (ccb = adapter->all_ccbs; ccb != NULL; ccb = ccb->next_all)
3204 if (ccb->status == BLOGIC_CCB_ACTIVE)
3207 * Wait a few seconds between the Host Adapter Hard Reset which
3214 spin_unlock_irq(adapter->scsi_host->host_lock);
3215 blogic_delay(adapter->bus_settle_time);
3216 spin_lock_irq(adapter->scsi_host->host_lock);
3219 for (tgt_id = 0; tgt_id < adapter->maxdev; tgt_id++) {
3220 adapter->last_resettried[tgt_id] = jiffies;
3221 adapter->last_resetdone[tgt_id] = jiffies;
3232 may be enabled in AutoSCSI on FlashPoint Host Adapters and on "W" and "C"
3233 series MultiMaster Host Adapters, or by a dip switch setting on "S" and "A"
3234 series MultiMaster Host Adapters. With Extended Translation enabled, drives
3247 (struct blogic_adapter *) sdev->host->hostdata; in blogic_diskparam()
3251 if (adapter->ext_trans_enable && capacity >= 2 * 1024 * 1024 /* 1 GB in 512 byte sectors */) { in blogic_diskparam()
3253 diskparam->heads = 255; in blogic_diskparam()
3254 diskparam->sectors = 63; in blogic_diskparam()
3256 diskparam->heads = 128; in blogic_diskparam()
3257 diskparam->sectors = 32; in blogic_diskparam()
3260 diskparam->heads = 64; in blogic_diskparam()
3261 diskparam->sectors = 32; in blogic_diskparam()
3263 diskparam->cylinders = (unsigned long) capacity / (diskparam->heads * diskparam->sectors); in blogic_diskparam()
3276 int saved_cyl = diskparam->cylinders, part_no; in blogic_diskparam()
3280 part_end_head = part_entry->end_head; in blogic_diskparam()
3281 part_end_sector = part_entry->end_sector & 0x3F; in blogic_diskparam()
3282 if (part_end_head == 64 - 1) { in blogic_diskparam()
3283 diskparam->heads = 64; in blogic_diskparam()
3284 diskparam->sectors = 32; in blogic_diskparam()
3286 } else if (part_end_head == 128 - 1) { in blogic_diskparam()
3287 diskparam->heads = 128; in blogic_diskparam()
3288 diskparam->sectors = 32; in blogic_diskparam()
3290 } else if (part_end_head == 255 - 1) { in blogic_diskparam()
3291 diskparam->heads = 255; in blogic_diskparam()
3292 diskparam->sectors = 63; in blogic_diskparam()
3298 part_end_head = part1_entry->end_head; in blogic_diskparam()
3299 part_end_sector = part1_entry->end_sector & 0x3F; in blogic_diskparam()
3301 diskparam->cylinders = (unsigned long) capacity / (diskparam->heads * diskparam->sectors); in blogic_diskparam()
3302 if (part_no < 4 && part_end_sector == diskparam->sectors) { in blogic_diskparam()
3303 if (diskparam->cylinders != saved_cyl) in blogic_diskparam()
3304 …n("Adopting Geometry %d/%d from Partition Table\n", adapter, diskparam->heads, diskparam->sectors); in blogic_diskparam()
3307 …arn("not compatible with current BusLogic Host Adapter Geometry %d/%d\n", adapter, diskparam->head… in blogic_diskparam()
3323 (struct blogic_adapter *) shost->hostdata; in blogic_write_info()
3326 tgt_stats = adapter->tgt_stats; in blogic_write_info()
3327 adapter->ext_resets = 0; in blogic_write_info()
3328 adapter->adapter_intern_errors = 0; in blogic_write_info()
3335 struct blogic_adapter *adapter = (struct blogic_adapter *) shost->hostdata; in blogic_show_info()
3339 tgt_stats = adapter->tgt_stats; in blogic_show_info()
3340 seq_write(m, adapter->msgbuf, adapter->msgbuflen); in blogic_show_info()
3343 Currently Allocated CCBs: %d\n", adapter->drvr_qdepth, adapter->alloc_ccbs); in blogic_show_info()
3349 for (tgt = 0; tgt < adapter->maxdev; tgt++) { in blogic_show_info()
3350 struct blogic_tgt_flags *tgt_flags = &adapter->tgt_flags[tgt]; in blogic_show_info()
3351 if (!tgt_flags->tgt_exists) in blogic_show_info()
3353 …seq_printf(m, " %2d %s", tgt, (tgt_flags->tagq_ok ? (tgt_flags->tagq_active ? " Active" : (ada… in blogic_show_info()
3357 …" %3d %3u %9u %9u\n", adapter->qdepth[tgt], adapter->active_cmds[tgt], tgt_stats[tgt]… in blogic_show_info()
3362 for (tgt = 0; tgt < adapter->maxdev; tgt++) { in blogic_show_info()
3363 struct blogic_tgt_flags *tgt_flags = &adapter->tgt_flags[tgt]; in blogic_show_info()
3364 if (!tgt_flags->tgt_exists) in blogic_show_info()
3377 Target Command 0-1KB 1-2KB 2-4KB 4-8KB 8-16KB\n\ in blogic_show_info()
3379 for (tgt = 0; tgt < adapter->maxdev; tgt++) { in blogic_show_info()
3380 struct blogic_tgt_flags *tgt_flags = &adapter->tgt_flags[tgt]; in blogic_show_info()
3381 if (!tgt_flags->tgt_exists) in blogic_show_info()
3393 Target Command 16-32KB 32-64KB 64-128KB 128-256KB 256KB+\n\ in blogic_show_info()
3395 for (tgt = 0; tgt < adapter->maxdev; tgt++) { in blogic_show_info()
3396 struct blogic_tgt_flags *tgt_flags = &adapter->tgt_flags[tgt]; in blogic_show_info()
3397 if (!tgt_flags->tgt_exists) in blogic_show_info()
3411 Command Aborts Bus Device Resets Host Adapter Resets\n\ in blogic_show_info()
3415 for (tgt = 0; tgt < adapter->maxdev; tgt++) { in blogic_show_info()
3416 struct blogic_tgt_flags *tgt_flags = &adapter->tgt_flags[tgt]; in blogic_show_info()
3417 if (!tgt_flags->tgt_exists) in blogic_show_info()
3430 seq_printf(m, "\nExternal Host Adapter Resets: %d\n", adapter->ext_resets); in blogic_show_info()
3431 seq_printf(m, "Host Adapter Internal Errors: %d\n", adapter->adapter_intern_errors); in blogic_show_info()
3453 strcpy(&adapter->msgbuf[adapter->msgbuflen], buf); in blogic_msg()
3454 adapter->msgbuflen += len; in blogic_msg()
3458 strcpy(&adapter->msgbuf[adapter->msgbuflen], buf); in blogic_msg()
3459 adapter->msgbuflen += len; in blogic_msg()
3462 printk("%sscsi%d: %s", blogic_msglevelmap[msglevel], adapter->host_no, buf); in blogic_msg()
3467 if (adapter != NULL && adapter->adapter_initd) in blogic_msg()
3468 printk("%sscsi%d: %s", blogic_msglevelmap[msglevel], adapter->host_no, buf); in blogic_msg()
3474 begin = (buf[len - 1] == '\n'); in blogic_msg()
3490 strch += 'a' - 'Z'; in blogic_parse()
3492 keywordch += 'a' - 'Z'; in blogic_parse()
3505 BusLogic Driver Options may be specified either via the Linux Kernel Command
3507 for multiple host adapters may be specified either by separating the option
3509 command line. Individual option specifications for a single host adapter are
3510 separated by commas. The Probing and Debugging Options apply to all host
3512 selected host adapter.
3546 drvr_opts->qdepth[tgt_id] = qdepth; in blogic_parseopts()
3568 drvr_opts->common_qdepth = qdepth; in blogic_parseopts()
3570 drvr_opts->qdepth[tgt_id] = qdepth; in blogic_parseopts()
3574 drvr_opts->tagq_ok = 0x0000; in blogic_parseopts()
3575 drvr_opts->tagq_ok_mask = 0x0000; in blogic_parseopts()
3577 drvr_opts->tagq_ok = 0xFFFF; in blogic_parseopts()
3578 drvr_opts->tagq_ok_mask = 0xFFFF; in blogic_parseopts()
3580 drvr_opts->tagq_ok = 0x0000; in blogic_parseopts()
3581 drvr_opts->tagq_ok_mask = 0xFFFF; in blogic_parseopts()
3589 drvr_opts->tagq_ok |= tgt_bit; in blogic_parseopts()
3590 drvr_opts->tagq_ok_mask |= tgt_bit; in blogic_parseopts()
3593 drvr_opts->tagq_ok &= ~tgt_bit; in blogic_parseopts()
3594 drvr_opts->tagq_ok_mask |= tgt_bit; in blogic_parseopts()
3599 options--; in blogic_parseopts()
3614 drvr_opts->bus_settle_time = bus_settle_time; in blogic_parseopts()
3617 drvr_opts->stop_tgt_inquiry = true; in blogic_parseopts()
3651 if (drvr_opts->qdepth[tgt_id] == 1) { in blogic_parseopts()
3653 drvr_opts->tagq_ok &= ~tgt_bit; in blogic_parseopts()
3654 drvr_opts->tagq_ok_mask |= tgt_bit; in blogic_parseopts()
3686 blogic_setup handles processing of Kernel Command Line Arguments.
3696 blogic_err("BusLogic: Obsolete Command Line Entry Format Ignored\n", NULL); in blogic_setup()