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scsi: push lun field to SCSIDevice 

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;
};