search for: virtio_blk_f_scsi

Displaying 20 results from an estimated 105 matches for "virtio_blk_f_scsi".

[PATCH v2] virtio_blk: VIRTIO_BLK_F_WCE->VIRTIO_BLK_F_FLUSH
2016 Feb 24
1
[PATCH v2] virtio_blk: VIRTIO_BLK_F_WCE->VIRTIO_BLK_F_FLUSH
...a/include/uapi/linux/virtio_blk.h b/include/uapi/linux/virtio_blk.h index 19c66fc..9ebe4d9 100644 --- a/include/uapi/linux/virtio_blk.h +++ b/include/uapi/linux/virtio_blk.h @@ -43,11 +43,11 @@ #ifndef VIRTIO_BLK_NO_LEGACY #define VIRTIO_BLK_F_BARRIER 0 /* Does host support barriers? */ #define VIRTIO_BLK_F_SCSI 7 /* Supports scsi command passthru */ -#define VIRTIO_BLK_F_WCE 9 /* Writeback mode enabled after reset */ +#define VIRTIO_BLK_F_FLUSH 9 /* Flush command supported */ #define VIRTIO_BLK_F_CONFIG_WCE 11 /* Writeback mode available in config */ #ifndef __KERNEL__ -/* Old (deprecated) name for VIRT...
[PATCH v2] virtio_blk: VIRTIO_BLK_F_WCE->VIRTIO_BLK_F_FLUSH
2016 Feb 24
1
[PATCH v2] virtio_blk: VIRTIO_BLK_F_WCE->VIRTIO_BLK_F_FLUSH
...a/include/uapi/linux/virtio_blk.h b/include/uapi/linux/virtio_blk.h index 19c66fc..9ebe4d9 100644 --- a/include/uapi/linux/virtio_blk.h +++ b/include/uapi/linux/virtio_blk.h @@ -43,11 +43,11 @@ #ifndef VIRTIO_BLK_NO_LEGACY #define VIRTIO_BLK_F_BARRIER 0 /* Does host support barriers? */ #define VIRTIO_BLK_F_SCSI 7 /* Supports scsi command passthru */ -#define VIRTIO_BLK_F_WCE 9 /* Writeback mode enabled after reset */ +#define VIRTIO_BLK_F_FLUSH 9 /* Flush command supported */ #define VIRTIO_BLK_F_CONFIG_WCE 11 /* Writeback mode available in config */ #ifndef __KERNEL__ -/* Old (deprecated) name for VIRT...
[PATCH] virtio-blk: remove VIRTIO_BLK_F_SCSI support
2019 Dec 12
4
[PATCH] virtio-blk: remove VIRTIO_BLK_F_SCSI support
...block_device *bdev, fmode_t mode, - unsigned int cmd, unsigned long data) -{ - struct gendisk *disk = bdev->bd_disk; - struct virtio_blk *vblk = disk->private_data; - - /* - * Only allow the generic SCSI ioctls if the host can support it. - */ - if (!virtio_has_feature(vblk->vdev, VIRTIO_BLK_F_SCSI)) - return -ENOTTY; - - return scsi_cmd_blk_ioctl(bdev, mode, cmd, - (void __user *)data); -} -#else -static inline int virtblk_add_req_scsi(struct virtqueue *vq, - struct virtblk_req *vbr, struct scatterlist *data_sg, - bool have_data) -{ - return -EIO; -} -static inline void virtblk_scsi_...
[PATCH] virtio_blk: VIRTIO_BLK_F_WCE->VIRTIO_BLK_F_FLUSH
2016 Feb 24
1
[PATCH] virtio_blk: VIRTIO_BLK_F_WCE->VIRTIO_BLK_F_FLUSH
...a/include/uapi/linux/virtio_blk.h b/include/uapi/linux/virtio_blk.h index 19c66fc..c3f98df 100644 --- a/include/uapi/linux/virtio_blk.h +++ b/include/uapi/linux/virtio_blk.h @@ -43,11 +43,11 @@ #ifndef VIRTIO_BLK_NO_LEGACY #define VIRTIO_BLK_F_BARRIER 0 /* Does host support barriers? */ #define VIRTIO_BLK_F_SCSI 7 /* Supports scsi command passthru */ -#define VIRTIO_BLK_F_WCE 9 /* Writeback mode enabled after reset */ +#define VIRTIO_BLK_F_FLUSH 9 /* Writeback mode enabled after reset */ #define VIRTIO_BLK_F_CONFIG_WCE 11 /* Writeback mode available in config */ #ifndef __KERNEL__ -/* Old (deprecated) na...
[PATCH] virtio_blk: VIRTIO_BLK_F_WCE->VIRTIO_BLK_F_FLUSH
2016 Feb 24
1
[PATCH] virtio_blk: VIRTIO_BLK_F_WCE->VIRTIO_BLK_F_FLUSH
...a/include/uapi/linux/virtio_blk.h b/include/uapi/linux/virtio_blk.h index 19c66fc..c3f98df 100644 --- a/include/uapi/linux/virtio_blk.h +++ b/include/uapi/linux/virtio_blk.h @@ -43,11 +43,11 @@ #ifndef VIRTIO_BLK_NO_LEGACY #define VIRTIO_BLK_F_BARRIER 0 /* Does host support barriers? */ #define VIRTIO_BLK_F_SCSI 7 /* Supports scsi command passthru */ -#define VIRTIO_BLK_F_WCE 9 /* Writeback mode enabled after reset */ +#define VIRTIO_BLK_F_FLUSH 9 /* Writeback mode enabled after reset */ #define VIRTIO_BLK_F_CONFIG_WCE 11 /* Writeback mode available in config */ #ifndef __KERNEL__ -/* Old (deprecated) na...
[PATCH 3/4] virtio_blk: implement a request-based ID command, VIRTIO_BLK_T_GET_ID
2009 Sep 29
0
[PATCH 3/4] virtio_blk: implement a request-based ID command, VIRTIO_BLK_T_GET_ID
...= -EFAULT; - -out_kfree: kfree(opaque); -out: return err; } @@ -460,7 +497,8 @@ static struct virtio_device_id id_table[ static unsigned int features[] = { VIRTIO_BLK_F_BARRIER, VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX, VIRTIO_BLK_F_GEOMETRY, VIRTIO_BLK_F_RO, VIRTIO_BLK_F_BLK_SIZE, - VIRTIO_BLK_F_SCSI, VIRTIO_BLK_F_IDENTIFY, VIRTIO_BLK_F_FLUSH + VIRTIO_BLK_F_SCSI, VIRTIO_BLK_F_IDENTIFY, VIRTIO_BLK_F_FLUSH, + VIRTIO_BLK_F_GET_ID }; /* diff --git a/include/linux/virtio_blk.h b/include/linux/virtio_blk.h --- a/include/linux/virtio_blk.h +++ b/include/linux/virtio_blk.h @@ -15,6 +15,7 @@ #defin...
[PATCH 3/4] virtio_blk: implement a request-based ID command, VIRTIO_BLK_T_GET_ID
2009 Sep 29
0
[PATCH 3/4] virtio_blk: implement a request-based ID command, VIRTIO_BLK_T_GET_ID
...= -EFAULT; - -out_kfree: kfree(opaque); -out: return err; } @@ -460,7 +497,8 @@ static struct virtio_device_id id_table[ static unsigned int features[] = { VIRTIO_BLK_F_BARRIER, VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX, VIRTIO_BLK_F_GEOMETRY, VIRTIO_BLK_F_RO, VIRTIO_BLK_F_BLK_SIZE, - VIRTIO_BLK_F_SCSI, VIRTIO_BLK_F_IDENTIFY, VIRTIO_BLK_F_FLUSH + VIRTIO_BLK_F_SCSI, VIRTIO_BLK_F_IDENTIFY, VIRTIO_BLK_F_FLUSH, + VIRTIO_BLK_F_GET_ID }; /* diff --git a/include/linux/virtio_blk.h b/include/linux/virtio_blk.h --- a/include/linux/virtio_blk.h +++ b/include/linux/virtio_blk.h @@ -15,6 +15,7 @@ #defin...
[PATCH v7 16/46] virtio_blk: v1.0 support
2014 Dec 01
2
[PATCH v7 16/46] virtio_blk: v1.0 support
...by: Michael S. Tsirkin <mst at redhat.com> > ... > > > > -static unsigned int features[] = { > > +static unsigned int features_legacy[] = { > > VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX, VIRTIO_BLK_F_GEOMETRY, > > VIRTIO_BLK_F_RO, VIRTIO_BLK_F_BLK_SIZE, VIRTIO_BLK_F_SCSI, > > VIRTIO_BLK_F_WCE, VIRTIO_BLK_F_TOPOLOGY, VIRTIO_BLK_F_CONFIG_WCE, > > VIRTIO_BLK_F_MQ, > > +} > > +; > > +static unsigned int features[] = { > > + VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX, VIRTIO_BLK_F_GEOMETRY, > > + VIRTIO_BLK_F_RO, VIRTIO_BLK...
[PATCH v7 16/46] virtio_blk: v1.0 support
2014 Dec 01
2
[PATCH v7 16/46] virtio_blk: v1.0 support
...by: Michael S. Tsirkin <mst at redhat.com> > ... > > > > -static unsigned int features[] = { > > +static unsigned int features_legacy[] = { > > VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX, VIRTIO_BLK_F_GEOMETRY, > > VIRTIO_BLK_F_RO, VIRTIO_BLK_F_BLK_SIZE, VIRTIO_BLK_F_SCSI, > > VIRTIO_BLK_F_WCE, VIRTIO_BLK_F_TOPOLOGY, VIRTIO_BLK_F_CONFIG_WCE, > > VIRTIO_BLK_F_MQ, > > +} > > +; > > +static unsigned int features[] = { > > + VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX, VIRTIO_BLK_F_GEOMETRY, > > + VIRTIO_BLK_F_RO, VIRTIO_BLK...
[PATCH v7 16/46] virtio_blk: v1.0 support
2014 Nov 30
3
[PATCH v7 16/46] virtio_blk: v1.0 support
...eturn writeback; } @@ -821,25 +823,35 @@ static const struct virtio_device_id id_table[] = { { 0 }, }; -static unsigned int features[] = { +static unsigned int features_legacy[] = { VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX, VIRTIO_BLK_F_GEOMETRY, VIRTIO_BLK_F_RO, VIRTIO_BLK_F_BLK_SIZE, VIRTIO_BLK_F_SCSI, VIRTIO_BLK_F_WCE, VIRTIO_BLK_F_TOPOLOGY, VIRTIO_BLK_F_CONFIG_WCE, VIRTIO_BLK_F_MQ, +} +; +static unsigned int features[] = { + VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX, VIRTIO_BLK_F_GEOMETRY, + VIRTIO_BLK_F_RO, VIRTIO_BLK_F_BLK_SIZE, + VIRTIO_BLK_F_TOPOLOGY, + VIRTIO_BLK_F_MQ, + VIRTIO_F_VE...
[PATCH v7 16/46] virtio_blk: v1.0 support
2014 Nov 30
3
[PATCH v7 16/46] virtio_blk: v1.0 support
...eturn writeback; } @@ -821,25 +823,35 @@ static const struct virtio_device_id id_table[] = { { 0 }, }; -static unsigned int features[] = { +static unsigned int features_legacy[] = { VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX, VIRTIO_BLK_F_GEOMETRY, VIRTIO_BLK_F_RO, VIRTIO_BLK_F_BLK_SIZE, VIRTIO_BLK_F_SCSI, VIRTIO_BLK_F_WCE, VIRTIO_BLK_F_TOPOLOGY, VIRTIO_BLK_F_CONFIG_WCE, VIRTIO_BLK_F_MQ, +} +; +static unsigned int features[] = { + VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX, VIRTIO_BLK_F_GEOMETRY, + VIRTIO_BLK_F_RO, VIRTIO_BLK_F_BLK_SIZE, + VIRTIO_BLK_F_TOPOLOGY, + VIRTIO_BLK_F_MQ, + VIRTIO_F_VE...
vhost changes (batched) in linux-next after 12/13 trigger random crashes in KVM guests after reboot
2020 Jan 07
6
vhost changes (batched) in linux-next after 12/13 trigger random crashes in KVM guests after reboot
...bisect log so far: [cborntra at m83lp52 linux]$ git bisect log git bisect start # bad: [3131e79bb9e9892a5a6bd33513de9bc90b20e867] vhost: use vhost_desc instead of vhost_log git bisect bad 3131e79bb9e9892a5a6bd33513de9bc90b20e867 # good: [d1281e3a562ec6a08f944a876481dd043ba739b9] virtio-blk: remove VIRTIO_BLK_F_SCSI support git bisect good d1281e3a562ec6a08f944a876481dd043ba739b9 # good: [5b00aab5b6332a67e32dace1dcd3a198ab94ed56] vhost: option to fetch descriptors through an independent struct git bisect good 5b00aab5b6332a67e32dace1dcd3a198ab94ed56 # good: [5b00aab5b6332a67e32dace1dcd3a198ab94ed56] vhost: opt...
vhost changes (batched) in linux-next after 12/13 trigger random crashes in KVM guests after reboot
2020 Jan 07
6
vhost changes (batched) in linux-next after 12/13 trigger random crashes in KVM guests after reboot
...bisect log so far: [cborntra at m83lp52 linux]$ git bisect log git bisect start # bad: [3131e79bb9e9892a5a6bd33513de9bc90b20e867] vhost: use vhost_desc instead of vhost_log git bisect bad 3131e79bb9e9892a5a6bd33513de9bc90b20e867 # good: [d1281e3a562ec6a08f944a876481dd043ba739b9] virtio-blk: remove VIRTIO_BLK_F_SCSI support git bisect good d1281e3a562ec6a08f944a876481dd043ba739b9 # good: [5b00aab5b6332a67e32dace1dcd3a198ab94ed56] vhost: option to fetch descriptors through an independent struct git bisect good 5b00aab5b6332a67e32dace1dcd3a198ab94ed56 # good: [5b00aab5b6332a67e32dace1dcd3a198ab94ed56] vhost: opt...
[Qemu-devel] SCSI Command support over VirtIO Block device
2010 Dec 13
1
[Qemu-devel] SCSI Command support over VirtIO Block device
...> > Here 'status field of buffer size 1 byte' is whether readonly or writeonly? Writeonly > > I want to know from which version of Qemu-kvm supports processing of > scsi commands over VirtIO block device as a backend. > Although I checked the Host Feature fields in which VIRTIO_BLK_F_SCSI > bit is set. I am using qemu-kvm version 0.12.3. Make sure you have a scsi-generic block device in qemu-kvm, not just a regular file or physical block device. Open /dev/sg. Look at hw/virtio-blk.c in qemu-kvm for host implementation details. > > -- > Anuj Aggarwal > > .'&...
[Qemu-devel] SCSI Command support over VirtIO Block device
2010 Dec 13
1
[Qemu-devel] SCSI Command support over VirtIO Block device
...> > Here 'status field of buffer size 1 byte' is whether readonly or writeonly? Writeonly > > I want to know from which version of Qemu-kvm supports processing of > scsi commands over VirtIO block device as a backend. > Although I checked the Host Feature fields in which VIRTIO_BLK_F_SCSI > bit is set. I am using qemu-kvm version 0.12.3. Make sure you have a scsi-generic block device in qemu-kvm, not just a regular file or physical block device. Open /dev/sg. Look at hw/virtio-blk.c in qemu-kvm for host implementation details. > > -- > Anuj Aggarwal > > .'&...
[PATCH] virtio-spec: add field for scsi command size
2013 Mar 14
4
[PATCH] virtio-spec: add field for scsi command size
...u32 cmd_size; \change_unchanged \end_layout @@ -6085,6 +6119,21 @@ Until version 1.1, QEMU remained in writeback mode even after a guest announced \end_inset . +\change_inserted 1986246365 1363258989 + +\end_layout + +\begin_layout Enumerate + +\change_inserted 1986246365 1363259237 +If VIRTIO_BLK_F_SCSI_CMD_SIZE is negotiated, Guest should set the desired + size for scsi commands to the +\emph on +cmd_size +\emph default +field. +\change_unchanged + \end_layout \begin_layout Section* @@ -6369,8 +6418,33 @@ cmd \emph default field is only present for scsi packet command requests, and indic...
[PATCH] virtio-spec: add field for scsi command size
2013 Mar 14
4
[PATCH] virtio-spec: add field for scsi command size
...u32 cmd_size; \change_unchanged \end_layout @@ -6085,6 +6119,21 @@ Until version 1.1, QEMU remained in writeback mode even after a guest announced \end_inset . +\change_inserted 1986246365 1363258989 + +\end_layout + +\begin_layout Enumerate + +\change_inserted 1986246365 1363259237 +If VIRTIO_BLK_F_SCSI_CMD_SIZE is negotiated, Guest should set the desired + size for scsi commands to the +\emph on +cmd_size +\emph default +field. +\change_unchanged + \end_layout \begin_layout Section* @@ -6369,8 +6418,33 @@ cmd \emph default field is only present for scsi packet command requests, and indic...
[PATCH] virtio-spec: document block CMD and FLUSH
2010 Feb 18
5
[PATCH] virtio-spec: document block CMD and FLUSH
...Foot -status open +status collapsed \begin_layout Plain Layout Since there are no guarentees, it can use a hash filter orsilently switch @@ -4549,6 +4553,22 @@ blk_size \end_inset . +\change_inserted 0 1266444580 + +\end_layout + +\begin_layout Description + +\change_inserted 0 1266471229 +VIRTIO_BLK_F_SCSI (7) Device supports scsi packet commands. +\end_layout + +\begin_layout Description + +\change_inserted 0 1266444605 +VIRTIO_BLK_F_FLUSH (9) Cache flush command support. +\change_unchanged + \end_layout \begin_layout Description @@ -4700,17 +4720,25 @@ struct virtio_blk_req { \begin_layout P...
[PATCH] virtio-spec: document block CMD and FLUSH
2010 Feb 18
5
[PATCH] virtio-spec: document block CMD and FLUSH
...Foot -status open +status collapsed \begin_layout Plain Layout Since there are no guarentees, it can use a hash filter orsilently switch @@ -4549,6 +4553,22 @@ blk_size \end_inset . +\change_inserted 0 1266444580 + +\end_layout + +\begin_layout Description + +\change_inserted 0 1266471229 +VIRTIO_BLK_F_SCSI (7) Device supports scsi packet commands. +\end_layout + +\begin_layout Description + +\change_inserted 0 1266444605 +VIRTIO_BLK_F_FLUSH (9) Cache flush command support. +\change_unchanged + \end_layout \begin_layout Description @@ -4700,17 +4720,25 @@ struct virtio_blk_req { \begin_layout P...
[PATCH RFC v6 03/20] virtio: feature bit manipulation helpers
2014 Dec 11
0
[PATCH RFC v6 03/20] virtio: feature bit manipulation helpers
...32_t features) { VirtIOBlock *s = VIRTIO_BLK(vdev); - features |= (1 << VIRTIO_BLK_F_SEG_MAX); - features |= (1 << VIRTIO_BLK_F_GEOMETRY); - features |= (1 << VIRTIO_BLK_F_TOPOLOGY); - features |= (1 << VIRTIO_BLK_F_BLK_SIZE); - features |= (1 << VIRTIO_BLK_F_SCSI); + virtio_add_feature(&features, VIRTIO_BLK_F_SEG_MAX); + virtio_add_feature(&features, VIRTIO_BLK_F_GEOMETRY); + virtio_add_feature(&features, VIRTIO_BLK_F_TOPOLOGY); + virtio_add_feature(&features, VIRTIO_BLK_F_BLK_SIZE); + virtio_add_feature(&features, VIRTIO_...