From: Mike Christie <michael.christie@oracle.com> To: martin.petersen@oracle.com, linux-scsi@vger.kernel.org, target-devel@vger.kernel.org, mst@redhat.com, jasowang@redhat.com, pbonzini@redhat.com, stefanha@redhat.com, virtualization@lists.linux-foundation.org Subject: [PATCH 01/16] vhost scsi: add lun parser helper Date: Wed, 07 Oct 2020 20:54:46 +0000 [thread overview] Message-ID: <1602104101-5592-2-git-send-email-michael.christie@oracle.com> (raw) In-Reply-To: <1602104101-5592-1-git-send-email-michael.christie@oracle.com> Move code to parse lun from req's lun_buf to helper, so tmf code can use it in the next patch. Signed-off-by: Mike Christie <michael.christie@oracle.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> --- drivers/vhost/scsi.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c index b22adf0..0ea78d0 100644 --- a/drivers/vhost/scsi.c +++ b/drivers/vhost/scsi.c @@ -907,6 +907,11 @@ static void vhost_scsi_submission_work(struct work_struct *work) return ret; } +static u16 vhost_buf_to_lun(u8 *lun_buf) +{ + return ((lun_buf[2] << 8) | lun_buf[3]) & 0x3FFF; +} + static void vhost_scsi_handle_vq(struct vhost_scsi *vs, struct vhost_virtqueue *vq) { @@ -1045,12 +1050,12 @@ static void vhost_scsi_submission_work(struct work_struct *work) tag = vhost64_to_cpu(vq, v_req_pi.tag); task_attr = v_req_pi.task_attr; cdb = &v_req_pi.cdb[0]; - lun = ((v_req_pi.lun[2] << 8) | v_req_pi.lun[3]) & 0x3FFF; + lun = vhost_buf_to_lun(v_req_pi.lun); } else { tag = vhost64_to_cpu(vq, v_req.tag); task_attr = v_req.task_attr; cdb = &v_req.cdb[0]; - lun = ((v_req.lun[2] << 8) | v_req.lun[3]) & 0x3FFF; + lun = vhost_buf_to_lun(v_req.lun); } /* * Check that the received CDB size does not exceeded our -- 1.8.3.1
WARNING: multiple messages have this Message-ID (diff)
From: Mike Christie <michael.christie@oracle.com> To: martin.petersen@oracle.com, linux-scsi@vger.kernel.org, target-devel@vger.kernel.org, mst@redhat.com, jasowang@redhat.com, pbonzini@redhat.com, stefanha@redhat.com, virtualization@lists.linux-foundation.org Subject: [PATCH 01/16] vhost scsi: add lun parser helper Date: Wed, 7 Oct 2020 15:54:46 -0500 [thread overview] Message-ID: <1602104101-5592-2-git-send-email-michael.christie@oracle.com> (raw) In-Reply-To: <1602104101-5592-1-git-send-email-michael.christie@oracle.com> Move code to parse lun from req's lun_buf to helper, so tmf code can use it in the next patch. Signed-off-by: Mike Christie <michael.christie@oracle.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> --- drivers/vhost/scsi.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c index b22adf0..0ea78d0 100644 --- a/drivers/vhost/scsi.c +++ b/drivers/vhost/scsi.c @@ -907,6 +907,11 @@ static void vhost_scsi_submission_work(struct work_struct *work) return ret; } +static u16 vhost_buf_to_lun(u8 *lun_buf) +{ + return ((lun_buf[2] << 8) | lun_buf[3]) & 0x3FFF; +} + static void vhost_scsi_handle_vq(struct vhost_scsi *vs, struct vhost_virtqueue *vq) { @@ -1045,12 +1050,12 @@ static void vhost_scsi_submission_work(struct work_struct *work) tag = vhost64_to_cpu(vq, v_req_pi.tag); task_attr = v_req_pi.task_attr; cdb = &v_req_pi.cdb[0]; - lun = ((v_req_pi.lun[2] << 8) | v_req_pi.lun[3]) & 0x3FFF; + lun = vhost_buf_to_lun(v_req_pi.lun); } else { tag = vhost64_to_cpu(vq, v_req.tag); task_attr = v_req.task_attr; cdb = &v_req.cdb[0]; - lun = ((v_req.lun[2] << 8) | v_req.lun[3]) & 0x3FFF; + lun = vhost_buf_to_lun(v_req.lun); } /* * Check that the received CDB size does not exceeded our -- 1.8.3.1
next prev parent reply other threads:[~2020-10-07 20:54 UTC|newest] Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-10-07 20:54 [PATCH 00/16 V2] vhost: fix scsi cmd handling and IOPs Mike Christie 2020-10-07 20:54 ` Mike Christie 2020-10-07 20:54 ` Mike Christie [this message] 2020-10-07 20:54 ` [PATCH 01/16] vhost scsi: add lun parser helper Mike Christie 2020-10-07 20:54 ` [PATCH 02/16] vhost: remove work arg from vhost_work_flush Mike Christie 2020-10-07 20:54 ` Mike Christie 2020-10-07 20:54 ` [PATCH 03/16] vhost net: use goto error handling in open Mike Christie 2020-10-07 20:54 ` Mike Christie 2020-10-07 20:54 ` [PATCH 04/16] vhost: prep vhost_dev_init users to handle failures Mike Christie 2020-10-07 20:54 ` Mike Christie 2020-10-08 0:58 ` kernel test robot 2020-10-08 0:58 ` kernel test robot 2020-10-08 0:58 ` kernel test robot 2020-10-08 0:58 ` kernel test robot 2020-10-09 11:41 ` Dan Carpenter 2020-10-09 11:41 ` Dan Carpenter 2020-10-09 11:41 ` Dan Carpenter 2020-10-09 11:41 ` Dan Carpenter 2020-10-09 11:41 ` Dan Carpenter 2020-10-23 15:56 ` Michael S. Tsirkin 2020-10-23 15:56 ` Michael S. Tsirkin 2020-10-23 15:56 ` Michael S. Tsirkin 2020-10-23 15:56 ` Michael S. Tsirkin 2020-10-23 16:21 ` Mike Christie 2020-10-23 16:21 ` Mike Christie 2020-10-23 16:21 ` Mike Christie 2020-10-07 20:54 ` [PATCH 05/16] vhost: move vq iovec allocation to dev init time Mike Christie 2020-10-07 20:54 ` Mike Christie 2020-10-07 20:54 ` [PATCH 06/16] vhost: support delayed vq creation Mike Christie 2020-10-07 20:54 ` Mike Christie 2020-10-07 20:54 ` [PATCH 07/16] vhost scsi: support delayed IO " Mike Christie 2020-10-07 20:54 ` Mike Christie 2020-10-07 20:54 ` [PATCH 08/16] vhost scsi: alloc cmds per vq instead of session Mike Christie 2020-10-07 20:54 ` Mike Christie 2020-10-07 20:54 ` [PATCH 09/16] vhost scsi: fix cmd completion race Mike Christie 2020-10-07 20:54 ` Mike Christie 2020-10-07 20:54 ` [PATCH 10/16] vhost scsi: Add support for LUN resets Mike Christie 2020-10-07 20:54 ` Mike Christie 2020-10-07 20:54 ` [PATCH 11/16] vhost scsi: remove extra flushes Mike Christie 2020-10-07 20:54 ` Mike Christie 2020-10-07 20:54 ` [PATCH 12/16] vhost: support multiple worker threads Mike Christie 2020-10-07 20:54 ` Mike Christie 2020-10-08 17:56 ` Mike Christie 2020-10-08 17:56 ` Mike Christie 2020-10-08 20:26 ` Michael S. Tsirkin 2020-10-08 20:26 ` Michael S. Tsirkin 2020-10-08 20:26 ` Michael S. Tsirkin 2020-10-07 20:54 ` [PATCH 13/16] vhost poll: fix coding style Mike Christie 2020-10-07 20:54 ` Mike Christie 2020-10-07 20:54 ` [PATCH 14/16] vhost: poll support support multiple workers Mike Christie 2020-10-07 20:54 ` Mike Christie 2020-10-08 0:46 ` kernel test robot 2020-10-08 0:46 ` kernel test robot 2020-10-08 0:46 ` kernel test robot 2020-10-08 0:46 ` kernel test robot 2020-10-23 15:43 ` Michael S. Tsirkin 2020-10-23 15:43 ` Michael S. Tsirkin 2020-10-23 15:43 ` Michael S. Tsirkin 2020-10-23 15:43 ` Michael S. Tsirkin 2020-10-07 20:55 ` [PATCH 15/16] vhost scsi: make completion per vq Mike Christie 2020-10-07 20:55 ` Mike Christie 2020-10-07 20:55 ` [PATCH 16/16] vhost scsi: multiple worker support Mike Christie 2020-10-07 20:55 ` Mike Christie 2020-10-23 15:46 ` [PATCH 00/16 V2] vhost: fix scsi cmd handling and IOPs Michael S. Tsirkin 2020-10-23 15:46 ` Michael S. Tsirkin 2020-10-23 15:46 ` Michael S. Tsirkin 2020-10-23 16:22 ` Mike Christie 2020-10-23 16:22 ` Mike Christie
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