dfe1ce5d80
* kwolf/for-anthony: (41 commits) fdc-test: Clean up a bit fdc-test: introduce test_relative_seek fdc: fix relative seek qemu-iotests: Valgrind support coroutine-ucontext: Help valgrind understand coroutines qemu-io: Fix memory leaks hw/block-common: Factor out fall back to legacy -drive cyls=... blockdev: Don't limit DriveInfo serial to 20 characters hw/block-common: Factor out fall back to legacy -drive serial=... hw/block-common: Move BlockConf & friends from block.h Relax IDE CHS limits from 16383,16,63 to 65535,16,255 blockdev: Drop redundant CHS validation for if=ide hd-geometry: Compute BIOS CHS translation in one place qtest: Test we don't put hard disk info into CMOS for a CD-ROM ide pc: Put hard disk info into CMOS only for hard disks block: Geometry and translation hints are now useless, purge them qtest: Cover qdev property for BIOS CHS translation ide: qdev property for BIOS CHS translation qdev: New property type chs-translation qdev: Collect private helpers in one place ...
241 lines
8.0 KiB
C
241 lines
8.0 KiB
C
#ifndef QEMU_HW_SCSI_H
|
|
#define QEMU_HW_SCSI_H
|
|
|
|
#include "qdev.h"
|
|
#include "block.h"
|
|
#include "hw/block-common.h"
|
|
#include "sysemu.h"
|
|
|
|
#define MAX_SCSI_DEVS 255
|
|
|
|
#define SCSI_CMD_BUF_SIZE 16
|
|
|
|
typedef struct SCSIBus SCSIBus;
|
|
typedef struct SCSIBusInfo SCSIBusInfo;
|
|
typedef struct SCSICommand SCSICommand;
|
|
typedef struct SCSIDevice SCSIDevice;
|
|
typedef struct SCSIRequest SCSIRequest;
|
|
typedef struct SCSIReqOps SCSIReqOps;
|
|
|
|
enum SCSIXferMode {
|
|
SCSI_XFER_NONE, /* TEST_UNIT_READY, ... */
|
|
SCSI_XFER_FROM_DEV, /* READ, INQUIRY, MODE_SENSE, ... */
|
|
SCSI_XFER_TO_DEV, /* WRITE, MODE_SELECT, ... */
|
|
};
|
|
|
|
typedef struct SCSISense {
|
|
uint8_t key;
|
|
uint8_t asc;
|
|
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;
|
|
const SCSIReqOps *ops;
|
|
uint32_t refcount;
|
|
uint32_t tag;
|
|
uint32_t lun;
|
|
uint32_t status;
|
|
size_t resid;
|
|
SCSICommand cmd;
|
|
BlockDriverAIOCB *aiocb;
|
|
QEMUSGList *sg;
|
|
bool dma_started;
|
|
uint8_t sense[SCSI_SENSE_BUF_SIZE];
|
|
uint32_t sense_len;
|
|
bool enqueued;
|
|
bool io_canceled;
|
|
bool retry;
|
|
void *hba_private;
|
|
QTAILQ_ENTRY(SCSIRequest) next;
|
|
};
|
|
|
|
#define TYPE_SCSI_DEVICE "scsi-device"
|
|
#define SCSI_DEVICE(obj) \
|
|
OBJECT_CHECK(SCSIDevice, (obj), TYPE_SCSI_DEVICE)
|
|
#define SCSI_DEVICE_CLASS(klass) \
|
|
OBJECT_CLASS_CHECK(SCSIDeviceClass, (klass), TYPE_SCSI_DEVICE)
|
|
#define SCSI_DEVICE_GET_CLASS(obj) \
|
|
OBJECT_GET_CLASS(SCSIDeviceClass, (obj), TYPE_SCSI_DEVICE)
|
|
|
|
typedef struct SCSIDeviceClass {
|
|
DeviceClass parent_class;
|
|
int (*init)(SCSIDevice *dev);
|
|
void (*destroy)(SCSIDevice *s);
|
|
SCSIRequest *(*alloc_req)(SCSIDevice *s, uint32_t tag, uint32_t lun,
|
|
uint8_t *buf, void *hba_private);
|
|
void (*unit_attention_reported)(SCSIDevice *s);
|
|
} SCSIDeviceClass;
|
|
|
|
struct SCSIDevice
|
|
{
|
|
DeviceState qdev;
|
|
VMChangeStateEntry *vmsentry;
|
|
QEMUBH *bh;
|
|
uint32_t id;
|
|
BlockConf conf;
|
|
SCSISense unit_attention;
|
|
bool sense_is_ua;
|
|
uint8_t sense[SCSI_SENSE_BUF_SIZE];
|
|
uint32_t sense_len;
|
|
QTAILQ_HEAD(, SCSIRequest) requests;
|
|
uint32_t channel;
|
|
uint32_t lun;
|
|
int blocksize;
|
|
int type;
|
|
uint64_t max_lba;
|
|
};
|
|
|
|
extern const VMStateDescription vmstate_scsi_device;
|
|
|
|
#define VMSTATE_SCSI_DEVICE(_field, _state) { \
|
|
.name = (stringify(_field)), \
|
|
.size = sizeof(SCSIDevice), \
|
|
.vmsd = &vmstate_scsi_device, \
|
|
.flags = VMS_STRUCT, \
|
|
.offset = vmstate_offset_value(_state, _field, SCSIDevice), \
|
|
}
|
|
|
|
/* cdrom.c */
|
|
int cdrom_read_toc(int nb_sectors, uint8_t *buf, int msf, int start_track);
|
|
int cdrom_read_toc_raw(int nb_sectors, uint8_t *buf, int msf, int session_num);
|
|
|
|
/* scsi-bus.c */
|
|
struct SCSIReqOps {
|
|
size_t size;
|
|
void (*free_req)(SCSIRequest *req);
|
|
int32_t (*send_command)(SCSIRequest *req, uint8_t *buf);
|
|
void (*read_data)(SCSIRequest *req);
|
|
void (*write_data)(SCSIRequest *req);
|
|
void (*cancel_io)(SCSIRequest *req);
|
|
uint8_t *(*get_buf)(SCSIRequest *req);
|
|
|
|
void (*save_request)(QEMUFile *f, SCSIRequest *req);
|
|
void (*load_request)(QEMUFile *f, SCSIRequest *req);
|
|
};
|
|
|
|
struct SCSIBusInfo {
|
|
int tcq;
|
|
int max_channel, max_target, max_lun;
|
|
void (*transfer_data)(SCSIRequest *req, uint32_t arg);
|
|
void (*complete)(SCSIRequest *req, uint32_t arg, size_t resid);
|
|
void (*cancel)(SCSIRequest *req);
|
|
QEMUSGList *(*get_sg_list)(SCSIRequest *req);
|
|
|
|
void (*save_request)(QEMUFile *f, SCSIRequest *req);
|
|
void *(*load_request)(QEMUFile *f, SCSIRequest *req);
|
|
void (*free_request)(SCSIBus *bus, void *priv);
|
|
};
|
|
|
|
#define TYPE_SCSI_BUS "SCSI"
|
|
#define SCSI_BUS(obj) OBJECT_CHECK(SCSIBus, (obj), TYPE_SCSI_BUS)
|
|
|
|
struct SCSIBus {
|
|
BusState qbus;
|
|
int busnr;
|
|
|
|
SCSISense unit_attention;
|
|
const SCSIBusInfo *info;
|
|
};
|
|
|
|
void scsi_bus_new(SCSIBus *bus, DeviceState *host, const SCSIBusInfo *info);
|
|
|
|
static inline SCSIBus *scsi_bus_from_device(SCSIDevice *d)
|
|
{
|
|
return DO_UPCAST(SCSIBus, qbus, d->qdev.parent_bus);
|
|
}
|
|
|
|
SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus, BlockDriverState *bdrv,
|
|
int unit, bool removable, int bootindex);
|
|
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;
|
|
/* 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_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;
|
|
/* 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;
|
|
/* LUN not ready, Medium not present */
|
|
extern const struct SCSISense sense_code_UNIT_ATTENTION_NO_MEDIUM;
|
|
/* 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_sense_valid(SCSISense sense);
|
|
int scsi_build_sense(uint8_t *in_buf, int in_len,
|
|
uint8_t *buf, int len, bool fixed);
|
|
|
|
SCSIRequest *scsi_req_alloc(const 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);
|
|
|
|
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, 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_req_retry(SCSIRequest *req);
|
|
void scsi_device_purge_requests(SCSIDevice *sdev, SCSISense sense);
|
|
int scsi_device_get_sense(SCSIDevice *dev, uint8_t *buf, int len, bool fixed);
|
|
SCSIDevice *scsi_device_find(SCSIBus *bus, int channel, int target, int lun);
|
|
|
|
/* scsi-generic.c. */
|
|
extern const SCSIReqOps scsi_generic_req_ops;
|
|
|
|
#endif
|