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| author | Nicholas Bellinger <nab@linux-iscsi.org> | 2014-04-02 13:34:04 -0700 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2014-04-07 01:48:56 -0700 |
| commit | 2d3359832513ac62a8bd6d2bffbb2c5bdd29aad3 (patch) | |
| tree | cae9200f111c4cf2d16bc88c1e0c20f29edd5bdc /drivers/target | |
| parent | d45aca42a25c4ba7a73115fcf2283ee1a822665e (diff) | |
| download | linux-2d3359832513ac62a8bd6d2bffbb2c5bdd29aad3.tar.gz linux-2d3359832513ac62a8bd6d2bffbb2c5bdd29aad3.tar.bz2 linux-2d3359832513ac62a8bd6d2bffbb2c5bdd29aad3.zip | |
target/sbc: Only expose PI read_cap16 bits when supported by fabric
Only expose the PI protection type bits in READ_CAPACITY_16
if the session + fabric support DIX PASS operations.
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Or Gerlitz <ogerlitz@mellanox.com>
Cc: Quinn Tran <quinn.tran@qlogic.com>
Cc: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target')
| -rw-r--r-- | drivers/target/target_core_sbc.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c index ec204f7ef126..f2d73dd4f9a3 100644 --- a/drivers/target/target_core_sbc.c +++ b/drivers/target/target_core_sbc.c @@ -89,6 +89,7 @@ static sense_reason_t sbc_emulate_readcapacity_16(struct se_cmd *cmd) { struct se_device *dev = cmd->se_dev; + struct se_session *sess = cmd->se_sess; unsigned char *rbuf; unsigned char buf[32]; unsigned long long blocks = dev->transport->get_blocks(dev); @@ -109,8 +110,10 @@ sbc_emulate_readcapacity_16(struct se_cmd *cmd) /* * Set P_TYPE and PROT_EN bits for DIF support */ - if (dev->dev_attrib.pi_prot_type) - buf[12] = (dev->dev_attrib.pi_prot_type - 1) << 1 | 0x1; + if (sess->sup_prot_ops & (TARGET_PROT_DIN_PASS | TARGET_PROT_DOUT_PASS)) { + if (dev->dev_attrib.pi_prot_type) + buf[12] = (dev->dev_attrib.pi_prot_type - 1) << 1 | 0x1; + } if (dev->transport->get_lbppbe) buf[13] = dev->transport->get_lbppbe(dev) & 0x0f; |