diff options
| author | Sagi Grimberg <sagig@mellanox.com> | 2014-08-13 18:54:34 +0200 |
|---|---|---|
| committer | Roland Dreier <roland@purestorage.com> | 2014-10-09 09:10:53 +0200 |
| commit | 3d73cf1a2a05cca7b43f7a0c16d1077065b38385 (patch) | |
| tree | 0fa8ef3136eb6b736113364bb96cf059a9aa73aa /drivers/infiniband/ulp | |
| parent | IB/iser: Centralize ib_sig_domain settings (diff) | |
| download | linux-3d73cf1a2a05cca7b43f7a0c16d1077065b38385.tar.xz linux-3d73cf1a2a05cca7b43f7a0c16d1077065b38385.zip | |
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/ulp')
| -rw-r--r-- | drivers/infiniband/ulp/isert/ib_isert.c | 33 |
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); |