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scsi: push lun field to SCSIDevice

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This will let SCSIBus detect requests sent to an invalid LUN, and
handle them itself.  However, there will be still support for only one
LUN per target

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Paolo Bonzini 2011-08-03 10:49:12 +02:00 committed by Anthony Liguori
parent 2599aece1b
commit 87dcd1b2c2
3 changed files with 3 additions and 4 deletions
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1
hw/scsi-bus.c
View file

@ -16,6 +16,7 @@ static struct BusInfo scsi_bus_info = {
.get_fw_dev_path = scsibus_get_fw_dev_path,
.props = (Property[]) {
DEFINE_PROP_UINT32("scsi-id", SCSIDevice, id, -1),
DEFINE_PROP_UINT32("lun", SCSIDevice, lun, 0),
DEFINE_PROP_END_OF_LIST(),
},
};

5
hw/scsi-generic.c
View file

@ -60,7 +60,6 @@ struct SCSIGenericState
{
SCSIDevice qdev;
BlockDriverState *bs;
int lun;
};
static void scsi_free_request(SCSIRequest *req)
@ -292,7 +291,7 @@ static int32_t scsi_send_command(SCSIRequest *req, uint8_t *cmd)
SCSIGenericReq *r = DO_UPCAST(SCSIGenericReq, req, req);
int ret;
if (cmd[0] != REQUEST_SENSE && req->lun != s->lun) {
if (cmd[0] != REQUEST_SENSE && req->lun != s->qdev.lun) {
DPRINTF("Unimplemented LUN %d\n", req->lun);
scsi_req_build_sense(&r->req, SENSE_CODE(LUN_NOT_SUPPORTED));
scsi_req_complete(&r->req, CHECK_CONDITION);
@ -466,8 +465,6 @@ static int scsi_generic_initfn(SCSIDevice *dev)
}
/* define device state */
s->lun = scsiid.lun;
DPRINTF("LUN %d\n", s->lun);
s->qdev.type = scsiid.scsi_type;
DPRINTF("device type %d\n", s->qdev.type);
if (s->qdev.type == TYPE_TAPE) {

1
hw/scsi.h
View file

@ -65,6 +65,7 @@ struct SCSIDevice
uint8_t sense[SCSI_SENSE_BUF_SIZE];
uint32_t sense_len;
QTAILQ_HEAD(, SCSIRequest) requests;
uint32_t lun;
int blocksize;
int type;
};