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authorSagi Grimberg <sagig@mellanox.com>2014-08-13 20:54:34 +0400
committerRoland Dreier <roland@purestorage.com>2014-10-09 11:10:53 +0400
commit3d73cf1a2a05cca7b43f7a0c16d1077065b38385 (patch)
tree0fa8ef3136eb6b736113364bb96cf059a9aa73aa /drivers/infiniband
parent92792c0a197db85e9d3039b59d2211ed0157e824 (diff)
downloadlinux-3d73cf1a2a05cca7b43f7a0c16d1077065b38385.tar.xz
Target/iser: Centralize ib_sig_domain setting
Later there will be more parameters to set, so we want to do it in a centralized place. This patch does not change any functionality. Signed-off-by: Sagi Grimberg <sagig@mellanox.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/ulp/isert/ib_isert.c33
1 files changed, 16 insertions, 17 deletions
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index da8ff124762a..73092756460b 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -2626,41 +2626,40 @@ se2ib_prot_type(enum target_prot_type prot_type)
}
}
+static inline void
+isert_set_dif_domain(struct se_cmd *se_cmd, struct ib_sig_attrs *sig_attrs,
+ struct ib_sig_domain *domain)
+{
+ enum ib_t10_dif_type ib_prot_type = se2ib_prot_type(se_cmd->prot_type);
+
+ domain->sig.dif.type = ib_prot_type;
+ domain->sig.dif.bg_type = IB_T10DIF_CRC;
+ domain->sig.dif.pi_interval = se_cmd->se_dev->dev_attrib.block_size;
+ domain->sig.dif.ref_tag = se_cmd->reftag_seed;
+};
+
static int
isert_set_sig_attrs(struct se_cmd *se_cmd, struct ib_sig_attrs *sig_attrs)
{
- enum ib_t10_dif_type ib_prot_type = se2ib_prot_type(se_cmd->prot_type);
sig_attrs->mem.sig_type = IB_SIG_TYPE_T10_DIF;
sig_attrs->wire.sig_type = IB_SIG_TYPE_T10_DIF;
- sig_attrs->mem.sig.dif.pi_interval =
- se_cmd->se_dev->dev_attrib.block_size;
- sig_attrs->wire.sig.dif.pi_interval =
- se_cmd->se_dev->dev_attrib.block_size;
switch (se_cmd->prot_op) {
case TARGET_PROT_DIN_INSERT:
case TARGET_PROT_DOUT_STRIP:
sig_attrs->mem.sig.dif.type = IB_T10DIF_NONE;
- sig_attrs->wire.sig.dif.type = ib_prot_type;
- sig_attrs->wire.sig.dif.bg_type = IB_T10DIF_CRC;
- sig_attrs->wire.sig.dif.ref_tag = se_cmd->reftag_seed;
+ isert_set_dif_domain(se_cmd, sig_attrs, &sig_attrs->wire);
break;
case TARGET_PROT_DOUT_INSERT:
case TARGET_PROT_DIN_STRIP:
- sig_attrs->mem.sig.dif.type = ib_prot_type;
- sig_attrs->mem.sig.dif.bg_type = IB_T10DIF_CRC;
- sig_attrs->mem.sig.dif.ref_tag = se_cmd->reftag_seed;
sig_attrs->wire.sig.dif.type = IB_T10DIF_NONE;
+ isert_set_dif_domain(se_cmd, sig_attrs, &sig_attrs->mem);
break;
case TARGET_PROT_DIN_PASS:
case TARGET_PROT_DOUT_PASS:
- sig_attrs->mem.sig.dif.type = ib_prot_type;
- sig_attrs->mem.sig.dif.bg_type = IB_T10DIF_CRC;
- sig_attrs->mem.sig.dif.ref_tag = se_cmd->reftag_seed;
- sig_attrs->wire.sig.dif.type = ib_prot_type;
- sig_attrs->wire.sig.dif.bg_type = IB_T10DIF_CRC;
- sig_attrs->wire.sig.dif.ref_tag = se_cmd->reftag_seed;
+ isert_set_dif_domain(se_cmd, sig_attrs, &sig_attrs->wire);
+ isert_set_dif_domain(se_cmd, sig_attrs, &sig_attrs->mem);
break;
default:
pr_err("Unsupported PI operation %d\n", se_cmd->prot_op);