diff options
Diffstat (limited to 'drivers/scsi/BusLogic.c')
| -rw-r--r-- | drivers/scsi/BusLogic.c | 63 |
1 files changed, 36 insertions, 27 deletions
diff --git a/drivers/scsi/BusLogic.c b/drivers/scsi/BusLogic.c index a897c8f914cf..a86d780d1ba4 100644 --- a/drivers/scsi/BusLogic.c +++ b/drivers/scsi/BusLogic.c @@ -54,7 +54,7 @@ #define FAILURE (-1) #endif -static struct scsi_host_template blogic_template; +static const struct scsi_host_template blogic_template; /* blogic_drvr_options_count is a count of the number of BusLogic Driver @@ -78,6 +78,7 @@ static struct blogic_drvr_options blogic_drvr_options[BLOGIC_MAX_ADAPTERS]; BusLogic can be assigned a string by insmod. */ +MODULE_DESCRIPTION("BusLogic MultiMaster and FlashPoint SCSI Host Adapter driver"); MODULE_LICENSE("GPL"); #ifdef MODULE static char *BusLogic; @@ -2152,14 +2153,15 @@ static void __init blogic_inithoststruct(struct blogic_adapter *adapter, } /* - blogic_slaveconfig will actually set the queue depth on individual + blogic_sdev_configure will actually set the queue depth on individual scsi devices as they are permanently added to the device chain. We shamelessly rip off the SelectQueueDepths code to make this work mostly like it used to. Since we don't get called once at the end of the scan but instead get called for each device, we have to do things a bit differently. */ -static int blogic_slaveconfig(struct scsi_device *dev) +static int blogic_sdev_configure(struct scsi_device *dev, + struct queue_limits *lim) { struct blogic_adapter *adapter = (struct blogic_adapter *) dev->host->hostdata; @@ -2198,7 +2200,7 @@ static int blogic_slaveconfig(struct scsi_device *dev) static int __init blogic_init(void) { - int adapter_count = 0, drvr_optindex = 0, probeindex; + int drvr_optindex = 0, probeindex; struct blogic_adapter *adapter; int ret = 0; @@ -2368,10 +2370,8 @@ static int __init blogic_init(void) list_del(&myadapter->host_list); scsi_host_put(host); ret = -ENODEV; - } else { + } else scsi_scan_host(host); - adapter_count++; - } } } else { /* @@ -2515,12 +2515,26 @@ static int blogic_resultcode(struct blogic_adapter *adapter, return (hoststatus << 16) | tgt_status; } +/* + * turn the dma address from an inbox into a ccb pointer + * This is rather inefficient. + */ +static struct blogic_ccb * +blogic_inbox_to_ccb(struct blogic_adapter *adapter, struct blogic_inbox *inbox) +{ + struct blogic_ccb *ccb; + + for (ccb = adapter->all_ccbs; ccb; ccb = ccb->next_all) + if (inbox->ccb == ccb->dma_handle) + break; + + return ccb; +} /* blogic_scan_inbox scans the Incoming Mailboxes saving any Incoming Mailbox entries for completion processing. */ - static void blogic_scan_inbox(struct blogic_adapter *adapter) { /* @@ -2540,17 +2554,14 @@ static void blogic_scan_inbox(struct blogic_adapter *adapter) enum blogic_cmplt_code comp_code; while ((comp_code = next_inbox->comp_code) != BLOGIC_INBOX_FREE) { - /* - We are only allowed to do this because we limit our - architectures we run on to machines where bus_to_virt( - actually works. There *needs* to be a dma_addr_to_virt() - in the new PCI DMA mapping interface to replace - bus_to_virt() or else this code is going to become very - innefficient. - */ - struct blogic_ccb *ccb = - (struct blogic_ccb *) bus_to_virt(next_inbox->ccb); - if (comp_code != BLOGIC_CMD_NOTFOUND) { + struct blogic_ccb *ccb = blogic_inbox_to_ccb(adapter, next_inbox); + if (!ccb) { + /* + * This should never happen, unless the CCB list is + * corrupted in memory. + */ + blogic_warn("Could not find CCB for dma address %x\n", adapter, next_inbox->ccb); + } else if (comp_code != BLOGIC_CMD_NOTFOUND) { if (ccb->status == BLOGIC_CCB_ACTIVE || ccb->status == BLOGIC_CCB_RESET) { /* @@ -3229,7 +3240,7 @@ static int blogic_resetadapter(struct blogic_adapter *adapter, bool hard_reset) the BIOS, and a warning may be displayed. */ -static int blogic_diskparam(struct scsi_device *sdev, struct block_device *dev, +static int blogic_diskparam(struct scsi_device *sdev, struct gendisk *disk, sector_t capacity, int *params) { struct blogic_adapter *adapter = @@ -3250,7 +3261,7 @@ static int blogic_diskparam(struct scsi_device *sdev, struct block_device *dev, diskparam->sectors = 32; } diskparam->cylinders = (unsigned long) capacity / (diskparam->heads * diskparam->sectors); - buf = scsi_bios_ptable(dev); + buf = scsi_bios_ptable(disk); if (buf == NULL) return 0; /* @@ -3654,7 +3665,7 @@ static int __init blogic_parseopts(char *options) Get it all started */ -static struct scsi_host_template blogic_template = { +static const struct scsi_host_template blogic_template = { .module = THIS_MODULE, .proc_name = "BusLogic", .write_info = blogic_write_info, @@ -3662,7 +3673,7 @@ static struct scsi_host_template blogic_template = { .name = "BusLogic", .info = blogic_drvr_info, .queuecommand = blogic_qcmd, - .slave_configure = blogic_slaveconfig, + .sdev_configure = blogic_sdev_configure, .bios_param = blogic_diskparam, .eh_host_reset_handler = blogic_hostreset, #if 0 @@ -3704,8 +3715,7 @@ static void __exit blogic_exit(void) __setup("BusLogic=", blogic_setup); -#ifdef MODULE -/*static struct pci_device_id blogic_pci_tbl[] = { +/*static const struct pci_device_id blogic_pci_tbl[] = { { PCI_VENDOR_ID_BUSLOGIC, PCI_DEVICE_ID_BUSLOGIC_MULTIMASTER, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { PCI_VENDOR_ID_BUSLOGIC, PCI_DEVICE_ID_BUSLOGIC_MULTIMASTER_NC, @@ -3714,13 +3724,12 @@ __setup("BusLogic=", blogic_setup); PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { } };*/ -static const struct pci_device_id blogic_pci_tbl[] = { +static const struct pci_device_id blogic_pci_tbl[] __maybe_unused = { {PCI_DEVICE(PCI_VENDOR_ID_BUSLOGIC, PCI_DEVICE_ID_BUSLOGIC_MULTIMASTER)}, {PCI_DEVICE(PCI_VENDOR_ID_BUSLOGIC, PCI_DEVICE_ID_BUSLOGIC_MULTIMASTER_NC)}, {PCI_DEVICE(PCI_VENDOR_ID_BUSLOGIC, PCI_DEVICE_ID_BUSLOGIC_FLASHPOINT)}, {0, }, }; -#endif MODULE_DEVICE_TABLE(pci, blogic_pci_tbl); module_init(blogic_init); |