| #ifndef _VIRTIO_SCSI_H |
| #define _VIRTIO_SCSI_H |
| |
| #define VIRTIO_SCSI_CDB_SIZE 32 |
| #define VIRTIO_SCSI_SENSE_SIZE 96 |
| |
| struct virtio_scsi_config |
| { |
| u32 num_queues; |
| u32 seg_max; |
| u32 max_sectors; |
| u32 cmd_per_lun; |
| u32 event_info_size; |
| u32 sense_size; |
| u32 cdb_size; |
| u16 max_channel; |
| u16 max_target; |
| u32 max_lun; |
| } __attribute__((packed)); |
| |
| /* This is the first element of the "out" scatter-gather list. */ |
| struct virtio_scsi_req_cmd { |
| u8 lun[8]; |
| u64 id; |
| u8 task_attr; |
| u8 prio; |
| u8 crn; |
| char cdb[VIRTIO_SCSI_CDB_SIZE]; |
| }; |
| |
| /* This is the first element of the "in" scatter-gather list. */ |
| struct virtio_scsi_resp_cmd { |
| u32 sense_len; |
| u32 residual; |
| u16 status_qualifier; |
| u8 status; |
| u8 response; |
| u8 sense[VIRTIO_SCSI_SENSE_SIZE]; |
| }; |
| |
| #define VIRTIO_SCSI_S_OK 0 |
| |
| struct disk_op_s; |
| int virtio_scsi_cmd_data(struct disk_op_s *op, void *cdbcmd, u16 blocksize); |
| void virtio_scsi_setup(void); |
| |
| #endif /* _VIRTIO_SCSI_H */ |