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Commit 56dac14c authored by Nicholas Bellinger's avatar Nicholas Bellinger
Browse files

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: default avatarMartin 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: default avatarNicholas Bellinger <nab@linux-iscsi.org>
parent 43bb95c7

drivers/target/target_core_sbc.c

+5 −0
Original line number Diff line number Diff line
@@ -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;