-/* esp.c */
-#define ESP_MAX_DEVS 7
-typedef void (*espdma_memory_read_write)(void *opaque, uint8_t *buf, int len);
-void esp_init(a_target_phys_addr espaddr, int it_shift,
- espdma_memory_read_write dma_memory_read,
- espdma_memory_read_write dma_memory_write,
- void *dma_opaque, qemu_irq irq, qemu_irq *reset);
+#ifndef QEMU_HW_SCSI_H
+#define QEMU_HW_SCSI_H
+
+#include "qdev.h"
+#include "block.h"
+#include "block_int.h"
+
+#define MAX_SCSI_DEVS 255
+
+#define SCSI_CMD_BUF_SIZE 16
+
+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, ... */
+ 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;
+ SCSIReqOps *ops;
+ uint32_t refcount;
+ uint32_t tag;
+ uint32_t lun;
+ uint32_t status;
+ SCSICommand cmd;
+ BlockDriverAIOCB *aiocb;
+ uint8_t sense[SCSI_SENSE_BUF_SIZE];
+ uint32_t sense_len;
+ bool enqueued;
+ void *hba_private;
+ QTAILQ_ENTRY(SCSIRequest) next;
+};
+
+struct SCSIDevice
+{
+ DeviceState qdev;
+ uint32_t id;
+ BlockConf conf;
+ SCSIDeviceInfo *info;
+ uint8_t sense[SCSI_SENSE_BUF_SIZE];
+ uint32_t sense_len;
+ QTAILQ_HEAD(, SCSIRequest) requests;
+ uint32_t lun;
+ int blocksize;
+ int type;
+};
+
+/* 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);
+};
+
+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 (*transfer_data)(SCSIRequest *req, uint32_t arg);
+ void (*complete)(SCSIRequest *req, uint32_t arg);
+ void (*cancel)(SCSIRequest *req);
+};
+
+struct SCSIBus {
+ BusState qbus;
+ int busnr;
+
+ int tcq, ndev;
+ const SCSIBusOps *ops;
+
+ SCSIDevice *devs[MAX_SCSI_DEVS];
+};
+
+void scsi_bus_new(SCSIBus *bus, DeviceState *host, int tcq, int ndev,
+ const SCSIBusOps *ops);
+void scsi_qdev_register(SCSIDeviceInfo *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 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_sense_valid(SCSISense sense);
+
+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);
+
+void scsi_req_build_sense(SCSIRequest *req, SCSISense sense);
+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, 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);
+int scsi_device_get_sense(SCSIDevice *dev, uint8_t *buf, int len, bool fixed);
+
+#endif
projects / qemu.git / blobdiff