diff options
| author | Nicholas Bellinger <nab@linux-iscsi.org> | 2013-12-23 20:36:09 +0000 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2014-01-18 09:53:13 +0000 |
| commit | 56dac14cd25259fc567c5c4726a8f30f0ea407ce (patch) | |
| tree | 9a7edd5686cf5f571c0740c69f64d22550d33b72 /drivers/target | |
| parent | 43bb95c7c06de358de7ab525d28bb89b470c1892 (diff) | |
| download | linux-56dac14cd25259fc567c5c4726a8f30f0ea407ce.tar.bz2 | |
target/sbc: Add P_TYPE + PROT_EN bits to READ_CAPACITY_16
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>
Diffstat (limited to 'drivers/target')
| -rw-r--r-- | drivers/target/target_core_sbc.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c index 26e8bfb27787..75364c7f6219 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; |