scsi: Move sense handling into the driver
The current sense handling in scsi-bus is only used by the scsi-disk driver; the scsi-generic driver is using its own. So we should move the current sense handling into the scsi-disk driver. Signed-off-by: Hannes Reinecke <hare@suse.de> Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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@ -123,16 +123,6 @@ int scsi_bus_legacy_handle_cmdline(SCSIBus *bus)
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return res;
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return res;
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}
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}
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void scsi_dev_clear_sense(SCSIDevice *dev)
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{
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memset(&dev->sense, 0, sizeof(dev->sense));
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}
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void scsi_dev_set_sense(SCSIDevice *dev, uint8_t key)
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{
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dev->sense.key = key;
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}
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SCSIRequest *scsi_req_alloc(size_t size, SCSIDevice *d, uint32_t tag, uint32_t lun)
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SCSIRequest *scsi_req_alloc(size_t size, SCSIDevice *d, uint32_t tag, uint32_t lun)
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{
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{
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SCSIRequest *req;
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SCSIRequest *req;
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@ -49,6 +49,10 @@ do { fprintf(stderr, "scsi-disk: " fmt , ## __VA_ARGS__); } while (0)
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typedef struct SCSIDiskState SCSIDiskState;
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typedef struct SCSIDiskState SCSIDiskState;
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typedef struct SCSISense {
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uint8_t key;
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} SCSISense;
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typedef struct SCSIDiskReq {
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typedef struct SCSIDiskReq {
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SCSIRequest req;
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SCSIRequest req;
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/* ??? We should probably keep track of whether the data transfer is
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/* ??? We should probably keep track of whether the data transfer is
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@ -72,6 +76,7 @@ struct SCSIDiskState
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QEMUBH *bh;
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QEMUBH *bh;
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char *version;
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char *version;
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char *serial;
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char *serial;
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SCSISense sense;
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};
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};
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static int scsi_handle_rw_error(SCSIDiskReq *r, int error, int type);
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static int scsi_handle_rw_error(SCSIDiskReq *r, int error, int type);
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@ -100,10 +105,22 @@ static SCSIDiskReq *scsi_find_request(SCSIDiskState *s, uint32_t tag)
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return DO_UPCAST(SCSIDiskReq, req, scsi_req_find(&s->qdev, tag));
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return DO_UPCAST(SCSIDiskReq, req, scsi_req_find(&s->qdev, tag));
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}
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}
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static void scsi_req_set_status(SCSIRequest *req, int status, int sense_code)
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static void scsi_disk_clear_sense(SCSIDiskState *s)
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{
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{
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req->status = status;
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memset(&s->sense, 0, sizeof(s->sense));
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scsi_dev_set_sense(req->dev, sense_code);
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}
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static void scsi_disk_set_sense(SCSIDiskState *s, uint8_t key)
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{
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s->sense.key = key;
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}
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static void scsi_req_set_status(SCSIDiskReq *r, int status, int sense_code)
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{
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SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev);
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r->req.status = status;
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scsi_disk_set_sense(s, sense_code);
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}
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}
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/* Helper function for command completion. */
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/* Helper function for command completion. */
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@ -111,7 +128,7 @@ static void scsi_command_complete(SCSIDiskReq *r, int status, int sense)
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{
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{
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DPRINTF("Command complete tag=0x%x status=%d sense=%d\n",
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DPRINTF("Command complete tag=0x%x status=%d sense=%d\n",
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r->req.tag, status, sense);
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r->req.tag, status, sense);
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scsi_req_set_status(&r->req, status, sense);
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scsi_req_set_status(r, status, sense);
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scsi_req_complete(&r->req);
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scsi_req_complete(&r->req);
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scsi_remove_request(r);
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scsi_remove_request(r);
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}
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}
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@ -822,7 +839,7 @@ static int scsi_disk_emulate_command(SCSIDiskReq *r, uint8_t *outbuf)
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goto illegal_request;
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goto illegal_request;
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memset(outbuf, 0, 4);
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memset(outbuf, 0, 4);
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buflen = 4;
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buflen = 4;
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if (req->dev->sense.key == NOT_READY && req->cmd.xfer >= 18) {
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if (s->sense.key == NOT_READY && req->cmd.xfer >= 18) {
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memset(outbuf, 0, 18);
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memset(outbuf, 0, 18);
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buflen = 18;
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buflen = 18;
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outbuf[7] = 10;
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outbuf[7] = 10;
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@ -832,8 +849,8 @@ static int scsi_disk_emulate_command(SCSIDiskReq *r, uint8_t *outbuf)
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}
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}
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outbuf[0] = 0xf0;
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outbuf[0] = 0xf0;
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outbuf[1] = 0;
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outbuf[1] = 0;
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outbuf[2] = req->dev->sense.key;
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outbuf[2] = s->sense.key;
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scsi_dev_clear_sense(req->dev);
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scsi_disk_clear_sense(s);
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break;
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break;
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case INQUIRY:
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case INQUIRY:
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buflen = scsi_disk_emulate_inquiry(req, outbuf);
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buflen = scsi_disk_emulate_inquiry(req, outbuf);
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@ -966,7 +983,7 @@ static int scsi_disk_emulate_command(SCSIDiskReq *r, uint8_t *outbuf)
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default:
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default:
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goto illegal_request;
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goto illegal_request;
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}
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}
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scsi_req_set_status(req, GOOD, NO_SENSE);
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scsi_req_set_status(r, GOOD, NO_SENSE);
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return buflen;
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return buflen;
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not_ready:
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not_ready:
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@ -26,10 +26,6 @@ enum SCSIXferMode {
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SCSI_XFER_TO_DEV, /* WRITE, MODE_SELECT, ... */
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SCSI_XFER_TO_DEV, /* WRITE, MODE_SELECT, ... */
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};
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};
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typedef struct SCSISense {
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uint8_t key;
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} SCSISense;
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typedef struct SCSIRequest {
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typedef struct SCSIRequest {
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SCSIBus *bus;
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SCSIBus *bus;
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SCSIDevice *dev;
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SCSIDevice *dev;
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@ -57,7 +53,6 @@ struct SCSIDevice
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QTAILQ_HEAD(, SCSIRequest) requests;
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QTAILQ_HEAD(, SCSIRequest) requests;
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int blocksize;
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int blocksize;
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int type;
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int type;
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struct SCSISense sense;
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};
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};
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/* cdrom.c */
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/* cdrom.c */
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@ -102,9 +97,6 @@ static inline SCSIBus *scsi_bus_from_device(SCSIDevice *d)
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SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus, BlockDriverState *bdrv, int unit);
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SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus, BlockDriverState *bdrv, int unit);
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int scsi_bus_legacy_handle_cmdline(SCSIBus *bus);
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int scsi_bus_legacy_handle_cmdline(SCSIBus *bus);
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void scsi_dev_clear_sense(SCSIDevice *dev);
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void scsi_dev_set_sense(SCSIDevice *dev, uint8_t key);
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SCSIRequest *scsi_req_alloc(size_t size, SCSIDevice *d, uint32_t tag, uint32_t lun);
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SCSIRequest *scsi_req_alloc(size_t size, SCSIDevice *d, uint32_t tag, uint32_t lun);
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SCSIRequest *scsi_req_find(SCSIDevice *d, uint32_t tag);
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SCSIRequest *scsi_req_find(SCSIDevice *d, uint32_t tag);
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void scsi_req_free(SCSIRequest *req);
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void scsi_req_free(SCSIRequest *req);
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