Commit 2d335983 authored by Nicholas Bellinger's avatar Nicholas Bellinger

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: default avatarSagi 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: default avatarNicholas Bellinger <nab@linux-iscsi.org>
parent d45aca42
......@@ -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;
......
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