From: Paolo Bonzini <pbonzini@redhat.com> To: qemu-devel@nongnu.org Cc: kvm@vger.kernel.org Subject: [PATCH 5/5] virtio-scsi: report parameter change events Date: Mon, 16 Jul 2012 16:25:56 +0200 [thread overview] Message-ID: <1342448756-7582-6-git-send-email-pbonzini@redhat.com> (raw) In-Reply-To: <1342448756-7582-1-git-send-email-pbonzini@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> --- hw/virtio-scsi.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/hw/virtio-scsi.c b/hw/virtio-scsi.c index 83dbabd..80a47d7 100644 --- a/hw/virtio-scsi.c +++ b/hw/virtio-scsi.c @@ -27,6 +27,7 @@ /* Feature Bits */ #define VIRTIO_SCSI_F_INOUT 0 #define VIRTIO_SCSI_F_HOTPLUG 1 +#define VIRTIO_SCSI_F_CHANGE 2 /* Response codes */ #define VIRTIO_SCSI_S_OK 0 @@ -63,6 +64,7 @@ #define VIRTIO_SCSI_T_NO_EVENT 0 #define VIRTIO_SCSI_T_TRANSPORT_RESET 1 #define VIRTIO_SCSI_T_ASYNC_NOTIFY 2 +#define VIRTIO_SCSI_T_PARAM_CHANGE 3 /* Reasons for transport reset event */ #define VIRTIO_SCSI_EVT_RESET_HARD 0 @@ -554,6 +556,7 @@ static uint32_t virtio_scsi_get_features(VirtIODevice *vdev, uint32_t requested_features) { requested_features |= (1UL << VIRTIO_SCSI_F_HOTPLUG); + requested_features |= (1UL << VIRTIO_SCSI_F_CHANGE); return requested_features; } @@ -637,6 +640,18 @@ static void virtio_scsi_handle_event(VirtIODevice *vdev, VirtQueue *vq) } } +static void virtio_scsi_change(SCSIBus *bus, SCSIDevice *dev, SCSISense sense) +{ + VirtIOSCSI *s = container_of(bus, VirtIOSCSI, bus); + + if (((s->vdev.guest_features >> VIRTIO_SCSI_F_CHANGE) & 1) && + (s->vdev.status & VIRTIO_CONFIG_S_DRIVER_OK) && + dev->type != TYPE_ROM) { + virtio_scsi_push_event(s, dev, VIRTIO_SCSI_T_PARAM_CHANGE, + sense.asc | (sense.ascq << 8)); + } +} + static void virtio_scsi_hotplug(SCSIBus *bus, SCSIDevice *dev) { VirtIOSCSI *s = container_of(bus, VirtIOSCSI, bus); @@ -666,6 +681,7 @@ static struct SCSIBusInfo virtio_scsi_scsi_info = { .complete = virtio_scsi_command_complete, .cancel = virtio_scsi_request_cancelled, + .change = virtio_scsi_change, .hotplug = virtio_scsi_hotplug, .hot_unplug = virtio_scsi_hot_unplug, .get_sg_list = virtio_scsi_get_sg_list, -- 1.7.10.4
WARNING: multiple messages have this Message-ID (diff)
From: Paolo Bonzini <pbonzini@redhat.com> To: qemu-devel@nongnu.org Cc: kvm@vger.kernel.org Subject: [Qemu-devel] [PATCH 5/5] virtio-scsi: report parameter change events Date: Mon, 16 Jul 2012 16:25:56 +0200 [thread overview] Message-ID: <1342448756-7582-6-git-send-email-pbonzini@redhat.com> (raw) In-Reply-To: <1342448756-7582-1-git-send-email-pbonzini@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> --- hw/virtio-scsi.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/hw/virtio-scsi.c b/hw/virtio-scsi.c index 83dbabd..80a47d7 100644 --- a/hw/virtio-scsi.c +++ b/hw/virtio-scsi.c @@ -27,6 +27,7 @@ /* Feature Bits */ #define VIRTIO_SCSI_F_INOUT 0 #define VIRTIO_SCSI_F_HOTPLUG 1 +#define VIRTIO_SCSI_F_CHANGE 2 /* Response codes */ #define VIRTIO_SCSI_S_OK 0 @@ -63,6 +64,7 @@ #define VIRTIO_SCSI_T_NO_EVENT 0 #define VIRTIO_SCSI_T_TRANSPORT_RESET 1 #define VIRTIO_SCSI_T_ASYNC_NOTIFY 2 +#define VIRTIO_SCSI_T_PARAM_CHANGE 3 /* Reasons for transport reset event */ #define VIRTIO_SCSI_EVT_RESET_HARD 0 @@ -554,6 +556,7 @@ static uint32_t virtio_scsi_get_features(VirtIODevice *vdev, uint32_t requested_features) { requested_features |= (1UL << VIRTIO_SCSI_F_HOTPLUG); + requested_features |= (1UL << VIRTIO_SCSI_F_CHANGE); return requested_features; } @@ -637,6 +640,18 @@ static void virtio_scsi_handle_event(VirtIODevice *vdev, VirtQueue *vq) } } +static void virtio_scsi_change(SCSIBus *bus, SCSIDevice *dev, SCSISense sense) +{ + VirtIOSCSI *s = container_of(bus, VirtIOSCSI, bus); + + if (((s->vdev.guest_features >> VIRTIO_SCSI_F_CHANGE) & 1) && + (s->vdev.status & VIRTIO_CONFIG_S_DRIVER_OK) && + dev->type != TYPE_ROM) { + virtio_scsi_push_event(s, dev, VIRTIO_SCSI_T_PARAM_CHANGE, + sense.asc | (sense.ascq << 8)); + } +} + static void virtio_scsi_hotplug(SCSIBus *bus, SCSIDevice *dev) { VirtIOSCSI *s = container_of(bus, VirtIOSCSI, bus); @@ -666,6 +681,7 @@ static struct SCSIBusInfo virtio_scsi_scsi_info = { .complete = virtio_scsi_command_complete, .cancel = virtio_scsi_request_cancelled, + .change = virtio_scsi_change, .hotplug = virtio_scsi_hotplug, .hot_unplug = virtio_scsi_hot_unplug, .get_sg_list = virtio_scsi_get_sg_list, -- 1.7.10.4
next prev parent reply other threads:[~2012-07-16 14:26 UTC|newest] Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top 2012-07-16 14:25 [PATCH 0/5] virtio-scsi: support block_resize Paolo Bonzini 2012-07-16 14:25 ` [Qemu-devel] " Paolo Bonzini 2012-07-16 14:25 ` [PATCH 1/5] scsi-disk: removable hard disks support START/STOP Paolo Bonzini 2012-07-16 14:25 ` [Qemu-devel] " Paolo Bonzini 2012-07-23 16:44 ` Blue Swirl 2012-07-23 16:50 ` Paolo Bonzini 2012-07-16 14:25 ` [PATCH 2/5] scsi-disk: report resized disk via sense codes Paolo Bonzini 2012-07-16 14:25 ` [Qemu-devel] " Paolo Bonzini 2012-07-17 11:14 ` Kevin Wolf 2012-07-17 11:15 ` Paolo Bonzini 2012-07-16 14:25 ` [PATCH 3/5] scsi: establish precedence levels for unit attention Paolo Bonzini 2012-07-16 14:25 ` [Qemu-devel] " Paolo Bonzini 2012-07-16 14:25 ` [PATCH 4/5] scsi: report parameter changes to HBA drivers Paolo Bonzini 2012-07-16 14:25 ` [Qemu-devel] " Paolo Bonzini 2012-07-16 14:25 ` Paolo Bonzini [this message] 2012-07-16 14:25 ` [Qemu-devel] [PATCH 5/5] virtio-scsi: report parameter change events Paolo Bonzini
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