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scsi: Fix migration of scsi sense data

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c5f52875 changed the size of sense array in vmstate_scsi_device by
mistake. This patch restores the old size, and add a subsection for the
remaining part of the buffer size. So that migration is not broken.

Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Fam Zheng 2014-03-06 16:26:02 +08:00 • committed by Paolo Bonzini
parent 22956a3755
commit 2e323f03bf
3 changed files with 33 additions and 1 deletions
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30
hw/scsi/scsi-bus.c
View file

@ -1905,6 +1905,26 @@ static const VMStateInfo vmstate_info_scsi_requests = {
.put = put_scsi_requests,
};
static bool scsi_sense_state_needed(void *opaque)
{
SCSIDevice *s = opaque;
return s->sense_len > SCSI_SENSE_BUF_SIZE_OLD;
}
static const VMStateDescription vmstate_scsi_sense_state = {
.name = "SCSIDevice/sense",
.version_id = 1,
.minimum_version_id = 1,
.minimum_version_id_old = 1,
.fields = (VMStateField []) {
VMSTATE_UINT8_SUB_ARRAY(sense, SCSIDevice,
SCSI_SENSE_BUF_SIZE_OLD,
SCSI_SENSE_BUF_SIZE - SCSI_SENSE_BUF_SIZE_OLD),
VMSTATE_END_OF_LIST()
}
};
const VMStateDescription vmstate_scsi_device = {
.name = "SCSIDevice",
.version_id = 1,
@ -1915,7 +1935,7 @@ const VMStateDescription vmstate_scsi_device = {
VMSTATE_UINT8(unit_attention.asc, SCSIDevice),
VMSTATE_UINT8(unit_attention.ascq, SCSIDevice),
VMSTATE_BOOL(sense_is_ua, SCSIDevice),
VMSTATE_UINT8_ARRAY(sense, SCSIDevice, SCSI_SENSE_BUF_SIZE),
VMSTATE_UINT8_SUB_ARRAY(sense, SCSIDevice, 0, SCSI_SENSE_BUF_SIZE_OLD),
VMSTATE_UINT32(sense_len, SCSIDevice),
{
.name = "requests",
@ -1927,6 +1947,14 @@ const VMStateDescription vmstate_scsi_device = {
.offset = 0,
},
VMSTATE_END_OF_LIST()
},
.subsections = (VMStateSubsection []) {
{
.vmsd = &vmstate_scsi_sense_state,
.needed = scsi_sense_state_needed,
}, {
/* empty */
}
}
};