#include "qdev.h"
#include "block.h"
-#include "block_int.h"
#define MAX_SCSI_DEVS 255
#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 SCSICommand SCSICommand;
typedef struct SCSIDevice SCSIDevice;
typedef struct SCSIDeviceInfo SCSIDeviceInfo;
typedef struct SCSIRequest SCSIRequest;
+typedef struct SCSIReqOps SCSIReqOps;
enum SCSIXferMode {
SCSI_XFER_NONE, /* TEST_UNIT_READY, ... */
uint8_t ascq;
} SCSISense;
+#define SCSI_SENSE_BUF_SIZE 96
+
+struct SCSICommand {
+ uint8_t buf[SCSI_CMD_BUF_SIZE];
+ int len;
+ size_t xfer;
+ uint64_t lba;
+ enum SCSIXferMode mode;
+};
+
struct SCSIRequest {
SCSIBus *bus;
SCSIDevice *dev;
+ SCSIReqOps *ops;
uint32_t refcount;
uint32_t tag;
uint32_t lun;
uint32_t status;
- struct {
- uint8_t buf[SCSI_CMD_BUF_SIZE];
- int len;
- size_t xfer;
- uint64_t lba;
- enum SCSIXferMode mode;
- } cmd;
+ SCSICommand cmd;
BlockDriverAIOCB *aiocb;
+ uint8_t sense[SCSI_SENSE_BUF_SIZE];
+ uint32_t sense_len;
bool enqueued;
+ void *hba_private;
QTAILQ_ENTRY(SCSIRequest) next;
};
uint32_t id;
BlockConf conf;
SCSIDeviceInfo *info;
+ SCSISense unit_attention;
+ uint8_t sense[SCSI_SENSE_BUF_SIZE];
+ uint32_t sense_len;
QTAILQ_HEAD(, SCSIRequest) requests;
+ uint32_t lun;
int blocksize;
int type;
};
int cdrom_read_toc_raw(int nb_sectors, uint8_t *buf, int msf, int session_num);
/* scsi-bus.c */
-typedef int (*scsi_qdev_initfn)(SCSIDevice *dev);
-struct SCSIDeviceInfo {
- DeviceInfo qdev;
- scsi_qdev_initfn init;
- void (*destroy)(SCSIDevice *s);
- SCSIRequest *(*alloc_req)(SCSIDevice *s, uint32_t tag, uint32_t lun);
+struct SCSIReqOps {
+ size_t size;
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);
+};
+
+typedef int (*scsi_qdev_initfn)(SCSIDevice *dev);
+struct SCSIDeviceInfo {
+ DeviceInfo qdev;
+ scsi_qdev_initfn init;
+ void (*destroy)(SCSIDevice *s);
+ SCSIRequest *(*alloc_req)(SCSIDevice *s, uint32_t tag, uint32_t lun,
+ void *hba_private);
+ SCSIReqOps reqops;
};
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);
};
BusState qbus;
int busnr;
+ SCSISense unit_attention;
int tcq, ndev;
const SCSIBusOps *ops;
extern const struct SCSISense sense_code_LUN_NOT_READY;
/* LUN not ready, Medium not present */
extern const struct SCSISense sense_code_NO_MEDIUM;
+/* LUN not ready, medium removal prevented */
+extern const struct SCSISense sense_code_NOT_READY_REMOVAL_PREVENTED;
/* 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_FIELD;
/* Illegal request, LUN not supported */
extern const struct SCSISense sense_code_LUN_NOT_SUPPORTED;
+/* Illegal request, Saving parameters not supported */
+extern const struct SCSISense sense_code_SAVING_PARAMS_NOT_SUPPORTED;
+/* Illegal request, Incompatible format */
+extern const struct SCSISense sense_code_INCOMPATIBLE_FORMAT;
+/* Illegal request, medium removal prevented */
+extern const struct SCSISense sense_code_ILLEGAL_REQ_REMOVAL_PREVENTED;
/* 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;
+/* Unit attention, Power on, reset or bus device reset occurred */
+extern const struct SCSISense sense_code_RESET;
+/* Unit attention, Medium may have changed*/
+extern const struct SCSISense sense_code_MEDIUM_CHANGED;
+/* Unit attention, Reported LUNs data has changed */
+extern const struct SCSISense sense_code_REPORTED_LUNS_CHANGED;
+/* Unit attention, Device internal reset */
+extern const struct SCSISense sense_code_DEVICE_INTERNAL_RESET;
#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);
-SCSIRequest *scsi_req_new(SCSIDevice *d, uint32_t tag, uint32_t lun);
-int32_t scsi_req_enqueue(SCSIRequest *req, uint8_t *buf);
+SCSIRequest *scsi_req_alloc(SCSIReqOps *reqops, SCSIDevice *d, uint32_t tag,
+ uint32_t lun, void *hba_private);
+SCSIRequest *scsi_req_new(SCSIDevice *d, uint32_t tag, uint32_t lun,
+ uint8_t *buf, void *hba_private);
+int32_t scsi_req_enqueue(SCSIRequest *req);
void scsi_req_free(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_build_sense(SCSIRequest *req, SCSISense sense);
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);
+void scsi_req_complete(SCSIRequest *req, int status);
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);
+void scsi_device_purge_requests(SCSIDevice *sdev, SCSISense sense);
+int scsi_device_get_sense(SCSIDevice *dev, uint8_t *buf, int len, bool fixed);
#endif
projects / qemu.git / blobdiff