Commit 5447fb12 authored by Dariusz Stojaczyk's avatar Dariusz Stojaczyk Committed by Daniel Verkamp
Browse files

bdev_virtio: fix scan inquiry alloc_len 



Some devices expect alloc_len
to be the same as payload len.

Kernel vhost-scsi reports:
Expected Transfer Length: 256 does
not match SCSI CDB Length: 255 for
SAM Opcode: 0x12.

Change-Id: I499290c207b77be6757441da002f9fcc9eebcecd
Signed-off-by: default avatarDariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
Reviewed-on: https://review.gerrithub.io/383779


Tested-by: default avatarSPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: default avatarChangpeng Liu <changpeng.liu@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Reviewed-by: default avatarDaniel Verkamp <daniel.verkamp@intel.com>
parent cfa66837

lib/bdev/virtio/bdev_virtio.c

+1 −1
Original line number Diff line number Diff line
@@ -889,7 +889,7 @@ scan_target(struct virtio_scsi_scan_base *base) 


	cdb = (struct spdk_scsi_cdb_inquiry *)req->cdb;

	cdb->opcode = SPDK_SPC_INQUIRY;

	cdb->alloc_len[1] = 255;

	to_be16(cdb->alloc_len, BDEV_VIRTIO_SCAN_PAYLOAD_SIZE);



	base->retries = SCAN_REQUEST_RETRIES;

	return virtio_xmit_pkt(base->vq, vreq);