diff options
Diffstat (limited to 'qemu/include/hw/scsi/scsi.h')
| -rw-r--r-- | qemu/include/hw/scsi/scsi.h | 282 |
1 files changed, 0 insertions, 282 deletions
diff --git a/qemu/include/hw/scsi/scsi.h b/qemu/include/hw/scsi/scsi.h deleted file mode 100644 index 8acd3fa99..000000000 --- a/qemu/include/hw/scsi/scsi.h +++ /dev/null @@ -1,282 +0,0 @@ -#ifndef QEMU_HW_SCSI_H -#define QEMU_HW_SCSI_H - -#include "hw/qdev.h" -#include "hw/block/block.h" -#include "sysemu/sysemu.h" -#include "qemu/notify.h" - -#define MAX_SCSI_DEVS 255 - -#define SCSI_CMD_BUF_SIZE 16 -#define SCSI_SENSE_LEN 18 -#define SCSI_INQUIRY_LEN 36 - -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_OLD 96 -#define SCSI_SENSE_BUF_SIZE 252 - -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; - void *hba_private; - size_t resid; - SCSICommand cmd; - NotifierList cancel_notifiers; - - /* Note: - * - fields before sense are initialized by scsi_req_alloc; - * - sense[] is uninitialized; - * - fields after sense are memset to 0 by scsi_req_alloc. - * */ - - uint8_t sense[SCSI_SENSE_BUF_SIZE]; - uint32_t sense_len; - bool enqueued; - bool io_canceled; - bool retry; - bool dma_started; - BlockAIOCB *aiocb; - QEMUSGList *sg; - 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; - void (*realize)(SCSIDevice *dev, Error **errp); - int (*parse_cdb)(SCSIDevice *dev, SCSICommand *cmd, uint8_t *buf, - void *hba_private); - 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; - uint64_t wwn; - uint64_t port_wwn; -}; - -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); - 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; - int (*parse_cdb)(SCSIDevice *dev, SCSICommand *cmd, uint8_t *buf, - void *hba_private); - void (*transfer_data)(SCSIRequest *req, uint32_t arg); - void (*complete)(SCSIRequest *req, uint32_t arg, size_t resid); - void (*cancel)(SCSIRequest *req); - void (*change)(SCSIBus *bus, SCSIDevice *dev, SCSISense sense); - 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, size_t bus_size, DeviceState *host, - const SCSIBusInfo *info, const char *bus_name); - -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, BlockBackend *blk, - int unit, bool removable, int bootindex, - const char *serial, Error **errp); -void scsi_bus_legacy_handle_cmdline(SCSIBus *bus, Error **errp); - -/* - * 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, Invalid field in parameter list */ -extern const struct SCSISense sense_code_INVALID_PARAM; -/* Illegal request, Parameter list length error */ -extern const struct SCSISense sense_code_INVALID_PARAM_LEN; -/* 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; -/* Illegal request, Invalid Transfer Tag */ -extern const struct SCSISense sense_code_INVALID_TAG; -/* 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; -/* Command aborted, Overlapped Commands Attempted */ -extern const struct SCSISense sense_code_OVERLAPPED_COMMANDS; -/* LUN not ready, Capacity data has changed */ -extern const struct SCSISense sense_code_CAPACITY_CHANGED; -/* 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; -/* Data Protection, Write Protected */ -extern const struct SCSISense sense_code_WRITE_PROTECTED; -/* Data Protection, Space Allocation Failed Write Protect */ -extern const struct SCSISense sense_code_SPACE_ALLOC_FAILED; - -#define SENSE_CODE(x) sense_code_ ## x - -uint32_t scsi_data_cdb_xfer(uint8_t *buf); -uint32_t scsi_cdb_xfer(uint8_t *buf); -int scsi_cdb_length(uint8_t *buf); -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); -SCSIRequest *scsi_req_ref(SCSIRequest *req); -void scsi_req_unref(SCSIRequest *req); - -int scsi_bus_parse_cdb(SCSIDevice *dev, SCSICommand *cmd, uint8_t *buf, - void *hba_private); -int scsi_req_parse_cdb(SCSIDevice *dev, SCSICommand *cmd, 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, 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_cancel_complete(SCSIRequest *req); -void scsi_req_cancel(SCSIRequest *req); -void scsi_req_cancel_async(SCSIRequest *req, Notifier *notifier); -void scsi_req_retry(SCSIRequest *req); -void scsi_device_purge_requests(SCSIDevice *sdev, SCSISense sense); -void scsi_device_set_ua(SCSIDevice *sdev, SCSISense sense); -void scsi_device_report_change(SCSIDevice *dev, SCSISense sense); -void scsi_device_unit_attention_reported(SCSIDevice *dev); -void scsi_generic_read_device_identification(SCSIDevice *dev); -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 |