diff options
Diffstat (limited to 'drivers/scsi/aacraid/aachba.c')
| -rw-r--r-- | drivers/scsi/aacraid/aachba.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c index 641c303d28ef..cef764eba307 100644 --- a/drivers/scsi/aacraid/aachba.c +++ b/drivers/scsi/aacraid/aachba.c @@ -1190,6 +1190,15 @@ static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd) (fib_callback) aac_srb_callback, (void *) 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)) + return FAILED; + return aac_scsi_32(fib, cmd); +} + int aac_get_adapter_info(struct aac_dev* dev) { struct fib* fibptr; @@ -1267,6 +1276,8 @@ int aac_get_adapter_info(struct aac_dev* dev) 1, 1, NULL, NULL); + /* reasoned default */ + dev->maximum_num_physicals = 16; if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) { dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus); dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount); @@ -1377,7 +1388,9 @@ int aac_get_adapter_info(struct aac_dev* dev) * interface. */ dev->a_ops.adapter_scsi = (dev->dac_support) - ? aac_scsi_64 + ? ((aac_get_driver_ident(dev->cardtype)->quirks & AAC_QUIRK_SCSI_32) + ? aac_scsi_32_64 + : aac_scsi_64) : aac_scsi_32; if (dev->raw_io_interface) { dev->a_ops.adapter_bounds = (dev->raw_io_64) |