From 56dac14cd25259fc567c5c4726a8f30f0ea407ce Mon Sep 17 00:00:00 2001 From: Nicholas Bellinger Date: Mon, 23 Dec 2013 20:36:09 +0000 Subject: 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 Cc: Christoph Hellwig Cc: Hannes Reinecke Cc: Sagi Grimberg Cc: Or Gerlitz Signed-off-by: Nicholas Bellinger --- drivers/target/target_core_sbc.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'drivers') 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; -- cgit v1.2.3