Merge remote-tracking branch 'qmp/for-anthony' into staging

[mirror_qemu.git] / hw / scsi.h

diff --git a/hw/scsi.h b/hw/scsi.h
index e2dc7cb5e1c54731b9a81df4473e34949077f8b8..c1dca35b8672af8358b5ba0157b47a1bfbf4213c 100644 (file)
--- a/hw/scsi.h
+++ b/hw/scsi.h
@@ -9,12 +9,6 @@
 
 #define SCSI_CMD_BUF_SIZE     16
 
-/* scsi-disk.c */
-enum scsi_reason {
-    SCSI_REASON_DONE, /* Command complete.  */
-    SCSI_REASON_DATA  /* Transfer complete, more data required.  */
-};
-
 typedef struct SCSIBus SCSIBus;
 typedef struct SCSIBusOps SCSIBusOps;
 typedef struct SCSIDevice SCSIDevice;
@@ -27,6 +21,12 @@ enum SCSIXferMode {
     SCSI_XFER_TO_DEV,    /*  WRITE, MODE_SELECT, ...         */
 };
 
+typedef struct SCSISense {
+    uint8_t key;
+    uint8_t asc;
+    uint8_t ascq;
+} SCSISense;
+
 struct SCSIRequest {
     SCSIBus           *bus;
     SCSIDevice        *dev;
@@ -71,13 +71,15 @@ struct SCSIDeviceInfo {
     void (*free_req)(SCSIRequest *req);
     int32_t (*send_command)(SCSIRequest *req, uint8_t *buf);
     void (*read_data)(SCSIRequest *req);
-    int (*write_data)(SCSIRequest *req);
+    void (*write_data)(SCSIRequest *req);
     void (*cancel_io)(SCSIRequest *req);
     uint8_t *(*get_buf)(SCSIRequest *req);
+    int (*get_sense)(SCSIRequest *req, uint8_t *buf, int len);
 };
 
 struct SCSIBusOps {
-    void (*complete)(SCSIRequest *req, int reason, uint32_t arg);
+    void (*transfer_data)(SCSIRequest *req, uint32_t arg);
+    void (*complete)(SCSIRequest *req, uint32_t arg);
     void (*cancel)(SCSIRequest *req);
 };
 
@@ -104,17 +106,52 @@ SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus, BlockDriverState *bdrv,
                                       int unit, bool removable);
 int scsi_bus_legacy_handle_cmdline(SCSIBus *bus);
 
+/*
+ * Predefined sense codes
+ */
+
+/* No sense data available */
+extern const struct SCSISense sense_code_NO_SENSE;
+/* LUN not ready, Manual intervention required */
+extern const struct SCSISense sense_code_LUN_NOT_READY;
+/* LUN not ready, Medium not present */
+extern const struct SCSISense sense_code_NO_MEDIUM;
+/* Hardware error, internal target failure */
+extern const struct SCSISense sense_code_TARGET_FAILURE;
+/* Illegal request, invalid command operation code */
+extern const struct SCSISense sense_code_INVALID_OPCODE;
+/* Illegal request, LBA out of range */
+extern const struct SCSISense sense_code_LBA_OUT_OF_RANGE;
+/* Illegal request, Invalid field in CDB */
+extern const struct SCSISense sense_code_INVALID_FIELD;
+/* Illegal request, LUN not supported */
+extern const struct SCSISense sense_code_LUN_NOT_SUPPORTED;
+/* Command aborted, I/O process terminated */
+extern const struct SCSISense sense_code_IO_ERROR;
+/* Command aborted, I_T Nexus loss occurred */
+extern const struct SCSISense sense_code_I_T_NEXUS_LOSS;
+/* Command aborted, Logical Unit failure */
+extern const struct SCSISense sense_code_LUN_FAILURE;
+
+#define SENSE_CODE(x) sense_code_ ## x
+
+int scsi_build_sense(SCSISense sense, uint8_t *buf, int len, int fixed);
+int scsi_sense_valid(SCSISense sense);
+
 SCSIRequest *scsi_req_alloc(size_t size, SCSIDevice *d, uint32_t tag, uint32_t lun);
-void scsi_req_enqueue(SCSIRequest *req);
+SCSIRequest *scsi_req_new(SCSIDevice *d, uint32_t tag, uint32_t lun);
+int32_t scsi_req_enqueue(SCSIRequest *req, uint8_t *buf);
 void scsi_req_free(SCSIRequest *req);
-void scsi_req_dequeue(SCSIRequest *req);
 SCSIRequest *scsi_req_ref(SCSIRequest *req);
 void scsi_req_unref(SCSIRequest *req);
 
 int scsi_req_parse(SCSIRequest *req, uint8_t *buf);
 void scsi_req_print(SCSIRequest *req);
+void scsi_req_continue(SCSIRequest *req);
 void scsi_req_data(SCSIRequest *req, int len);
 void scsi_req_complete(SCSIRequest *req);
+uint8_t *scsi_req_get_buf(SCSIRequest *req);
+int scsi_req_get_sense(SCSIRequest *req, uint8_t *buf, int len);
 void scsi_req_abort(SCSIRequest *req, int status);
 void scsi_req_cancel(SCSIRequest *req);
 void scsi_device_purge_requests(SCSIDevice *sdev);