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| author | Fam Zheng | 2014-03-06 09:26:02 +0100 |
|---|---|---|
| committer | Paolo Bonzini | 2014-03-14 10:06:55 +0100 |
| commit | 2e323f03bfa323636552b386c982412944ff86ae (patch) | |
| tree | 15b053442320d9bdab701b8616f238b891c49f25 /hw/scsi | |
| parent | spapr-vscsi: fix CRQ status (diff) | |
| download | qemu-2e323f03bfa323636552b386c982412944ff86ae.tar.gz qemu-2e323f03bfa323636552b386c982412944ff86ae.tar.xz qemu-2e323f03bfa323636552b386c982412944ff86ae.zip | |
scsi: Fix migration of scsi sense data
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>
Diffstat (limited to 'hw/scsi')
| -rw-r--r-- | hw/scsi/scsi-bus.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/hw/scsi/scsi-bus.c b/hw/scsi/scsi-bus.c index 50a0acf1fe..eaad925cbb 100644 --- a/hw/scsi/scsi-bus.c +++ b/hw/scsi/scsi-bus.c @@ -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 */ + } } }; |