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| author | Swen Schillig <swen@vnet.ibm.com> | 2011-08-15 14:40:32 +0200 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2011-08-27 08:37:03 -0600 |
| commit | 86a9668a8d29ea711613e1cb37efa68e7c4db564 (patch) | |
| tree | 58a39ba842f928bd9629cfb8468322a96fe7459f /drivers/s390/scsi/zfcp_scsi.c | |
| parent | dfe5bb506172307e43287b8962348fb85801c0f4 (diff) | |
| download | linux-stable-86a9668a8d29ea711613e1cb37efa68e7c4db564.tar.gz linux-stable-86a9668a8d29ea711613e1cb37efa68e7c4db564.tar.bz2 linux-stable-86a9668a8d29ea711613e1cb37efa68e7c4db564.zip | |
[SCSI] zfcp: support for hardware data router
FICON Express8S supports hardware data router, which requires an
adapted qdio request format.
This part 2/2 exploits the functionality in zfcp.
Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: Steffen Maier <maier@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/s390/scsi/zfcp_scsi.c')
| -rw-r--r-- | drivers/s390/scsi/zfcp_scsi.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c index 96c31a70445f..09126a9d62ff 100644 --- a/drivers/s390/scsi/zfcp_scsi.c +++ b/drivers/s390/scsi/zfcp_scsi.c @@ -306,8 +306,8 @@ static struct scsi_host_template zfcp_scsi_host_template = { .proc_name = "zfcp", .can_queue = 4096, .this_id = -1, - .sg_tablesize = ZFCP_QDIO_MAX_SBALES_PER_REQ, - .max_sectors = (ZFCP_QDIO_MAX_SBALES_PER_REQ * 8), + .sg_tablesize = 1, /* adjusted later */ + .max_sectors = 8, /* adjusted later */ .dma_boundary = ZFCP_QDIO_SBALE_LEN - 1, .cmd_per_lun = 1, .use_clustering = 1, @@ -665,9 +665,9 @@ void zfcp_scsi_set_prot(struct zfcp_adapter *adapter) adapter->adapter_features & FSF_FEATURE_DIX_PROT_TCPIP) { mask |= SHOST_DIX_TYPE1_PROTECTION; scsi_host_set_guard(shost, SHOST_DIX_GUARD_IP); - shost->sg_prot_tablesize = ZFCP_QDIO_MAX_SBALES_PER_REQ / 2; - shost->sg_tablesize = ZFCP_QDIO_MAX_SBALES_PER_REQ / 2; - shost->max_sectors = ZFCP_QDIO_MAX_SBALES_PER_REQ * 8 / 2; + shost->sg_prot_tablesize = adapter->qdio->max_sbale_per_req / 2; + shost->sg_tablesize = adapter->qdio->max_sbale_per_req / 2; + shost->max_sectors = shost->sg_tablesize * 8; } scsi_host_set_prot(shost, mask); |