diff options
Diffstat (limited to 'drivers/scsi/aacraid/aachba.c')
| -rw-r--r-- | drivers/scsi/aacraid/aachba.c | 40 |
1 files changed, 32 insertions, 8 deletions
diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c index 90d1d0878cb8..21964aaebca5 100644 --- a/drivers/scsi/aacraid/aachba.c +++ b/drivers/scsi/aacraid/aachba.c @@ -143,7 +143,7 @@ static char *aac_get_status_string(u32 status); */ static int nondasd = -1; -static int aac_cache; +static int aac_cache = 2; /* WCE=0 to avoid performance problems */ static int dacmode = -1; int aac_msi; int aac_commit = -1; @@ -157,7 +157,7 @@ module_param_named(cache, aac_cache, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(cache, "Disable Queue Flush commands:\n" "\tbit 0 - Disable FUA in WRITE SCSI commands\n" "\tbit 1 - Disable SYNCHRONIZE_CACHE SCSI command\n" - "\tbit 2 - Disable only if Battery not protecting Cache"); + "\tbit 2 - Disable only if Battery is protecting Cache"); module_param(dacmode, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC." " 0=off, 1=on"); @@ -217,6 +217,14 @@ int aac_reset_devices; module_param_named(reset_devices, aac_reset_devices, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(reset_devices, "Force an adapter reset at initialization."); +int aac_wwn = 1; +module_param_named(wwn, aac_wwn, int, S_IRUGO|S_IWUSR); +MODULE_PARM_DESC(wwn, "Select a WWN type for the arrays:\n" + "\t0 - Disable\n" + "\t1 - Array Meta Data Signature (default)\n" + "\t2 - Adapter Serial Number"); + + static inline int aac_valid_context(struct scsi_cmnd *scsicmd, struct fib *fibptr) { struct scsi_device *device; @@ -1206,9 +1214,8 @@ static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd) static int aac_scsi_32_64(struct fib * fib, struct scsi_cmnd * cmd) { - if ((sizeof(dma_addr_t) > 4) && - (num_physpages > (0xFFFFFFFFULL >> PAGE_SHIFT)) && - (fib->dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)) + if ((sizeof(dma_addr_t) > 4) && fib->dev->needs_dac && + (fib->dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)) return FAILED; return aac_scsi_32(fib, cmd); } @@ -1371,8 +1378,11 @@ int aac_get_adapter_info(struct aac_dev* dev) if (dev->nondasd_support && !dev->in_reset) printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id); + if (dma_get_required_mask(&dev->pdev->dev) > DMA_32BIT_MASK) + dev->needs_dac = 1; dev->dac_support = 0; - if( (sizeof(dma_addr_t) > 4) && (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)){ + if ((sizeof(dma_addr_t) > 4) && dev->needs_dac && + (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)) { if (!dev->in_reset) printk(KERN_INFO "%s%d: 64bit support enabled.\n", dev->name, dev->id); @@ -1382,6 +1392,15 @@ int aac_get_adapter_info(struct aac_dev* dev) if(dacmode != -1) { dev->dac_support = (dacmode!=0); } + + /* avoid problems with AAC_QUIRK_SCSI_32 controllers */ + if (dev->dac_support && (aac_get_driver_ident(dev->cardtype)->quirks + & AAC_QUIRK_SCSI_32)) { + dev->nondasd_support = 0; + dev->jbod = 0; + expose_physicals = 0; + } + if(dev->dac_support != 0) { if (!pci_set_dma_mask(dev->pdev, DMA_64BIT_MASK) && !pci_set_consistent_dma_mask(dev->pdev, DMA_64BIT_MASK)) { @@ -2058,7 +2077,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", cid)); memset(&inq_data, 0, sizeof (struct inquiry_data)); - if (scsicmd->cmnd[1] & 0x1) { + if ((scsicmd->cmnd[1] & 0x1) && aac_wwn) { char *arr = (char *)&inq_data; /* EVPD bit set */ @@ -2081,7 +2100,12 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) arr[1] = scsicmd->cmnd[2]; scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data)); - return aac_get_container_serial(scsicmd); + if (aac_wwn != 2) + return aac_get_container_serial( + scsicmd); + /* SLES 10 SP1 special */ + scsicmd->result = DID_OK << 16 | + COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; } else { /* vpd page not implemented */ scsicmd->result = DID_OK << 16 | |