Messages in this thread Patch in this message | | | From | "Nicholas A. Bellinger" <> | Subject | [PATCH-v2 07/17] target/sbc: Add P_TYPE + PROT_EN bits to READ_CAPACITY_16 | Date | Sun, 19 Jan 2014 02:44:30 +0000 |
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From: Nicholas Bellinger <nab@linux-iscsi.org>
This patch updates sbc_emulate_readcapacity_16() to set P_TYPE and PROT_EN bits when DIF emulation is enabled by the backend device.
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Hannes Reinecke <hare@suse.de> Cc: Sagi Grimberg <sagig@mellanox.com> Cc: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org> --- drivers/target/target_core_sbc.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c index 26e8bfb..75364c7 100644 --- a/drivers/target/target_core_sbc.c +++ b/drivers/target/target_core_sbc.c @@ -106,6 +106,11 @@ sbc_emulate_readcapacity_16(struct se_cmd *cmd) buf[9] = (dev->dev_attrib.block_size >> 16) & 0xff; buf[10] = (dev->dev_attrib.block_size >> 8) & 0xff; buf[11] = dev->dev_attrib.block_size & 0xff; + /* + * 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 (dev->transport->get_lbppbe) buf[13] = dev->transport->get_lbppbe(dev) & 0x0f; -- 1.7.10.4
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