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[Qemu-devel] [PATCH 30/32] virtio-scsi: report parameter change events
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PATCH 30/32] virtio-scsi: report parameter change events |
Date: |
Fri, 27 Jul 2012 17:02:57 +0200 |
Signed-off-by: Paolo Bonzini <address@hidden>
---
hw/virtio-scsi.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/hw/virtio-scsi.c b/hw/virtio-scsi.c
index bf18861..c4a5b22 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;
}
@@ -641,6 +644,18 @@ 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);
@@ -670,6 +685,7 @@ 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
- [Qemu-devel] [PATCH 05/32] lsi: avoid redundant tests of s->current != NULL, (continued)
- [Qemu-devel] [PATCH 05/32] lsi: avoid redundant tests of s->current != NULL, Paolo Bonzini, 2012/07/27
- [Qemu-devel] [PATCH 06/32] scsi-block: remove properties that are not relevant for passthrough, Paolo Bonzini, 2012/07/27
- [Qemu-devel] [PATCH 04/32] lsi: introduce lsi_request_free, Paolo Bonzini, 2012/07/27
- [Qemu-devel] [PATCH 09/32] scsi-disk: make discard asynchronous, Paolo Bonzini, 2012/07/27
- [Qemu-devel] [PATCH 07/32] cutils: add strpadcpy(), Paolo Bonzini, 2012/07/27
- [Qemu-devel] [PATCH 10/32] scsi-disk: move all non-DMA commands to scsi_disk_emulate_command, Paolo Bonzini, 2012/07/27
- [Qemu-devel] [PATCH 14/32] scsi-disk: adjust offsets in MODE SENSE by 2, Paolo Bonzini, 2012/07/27
- [Qemu-devel] [PATCH 23/32] scsi: introduce hotplug() and hot_unplug() interfaces for SCSI bus, Paolo Bonzini, 2012/07/27
- [Qemu-devel] [PATCH 24/32] scsi: establish precedence levels for unit attention, Paolo Bonzini, 2012/07/27
- [Qemu-devel] [PATCH 25/32] scsi-disk: report resized disk via sense codes, Paolo Bonzini, 2012/07/27
- [Qemu-devel] [PATCH 30/32] virtio-scsi: report parameter change events,
Paolo Bonzini <=
- [Qemu-devel] [PATCH 29/32] virtio-scsi: do not report dropped events after reset, Paolo Bonzini, 2012/07/27
- [Qemu-devel] [PATCH 31/32] virtio-scsi: add ioeventfd support, Paolo Bonzini, 2012/07/27
- [Qemu-devel] [PATCH 32/32] virtio-scsi: enable MSI-X support, Paolo Bonzini, 2012/07/27
- [Qemu-devel] [PATCH 15/32] scsi-disk: fix changeable values for MODE_PAGE_R_W_ERROR, Paolo Bonzini, 2012/07/27
- [Qemu-devel] [PATCH 18/32] scsi-disk: rd/wr/vr-protect !=0 is an error, Paolo Bonzini, 2012/07/27
- [Qemu-devel] [PATCH 21/32] scsi-disk: removable hard disks support load/eject, Paolo Bonzini, 2012/07/27
- [Qemu-devel] [PATCH 28/32] virtio-scsi: Report missed events, Paolo Bonzini, 2012/07/27
- [Qemu-devel] [PATCH 27/32] virtio-scsi: Implement hotplug support for virtio-scsi, Paolo Bonzini, 2012/07/27
- [Qemu-devel] [PATCH 16/32] scsi-disk: parse MODE SELECT commands and parameters, Paolo Bonzini, 2012/07/27
- [Qemu-devel] [PATCH 19/32] scsi-disk: improve the lba-out-of-range tests for read/write/verify, Paolo Bonzini, 2012/07/27