diff options
Diffstat (limited to 'pc-bios/s390-ccw/virtio.h')
| -rw-r--r-- | pc-bios/s390-ccw/virtio.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/pc-bios/s390-ccw/virtio.h b/pc-bios/s390-ccw/virtio.h index 57c71a2c93..3c6e91510e 100644 --- a/pc-bios/s390-ccw/virtio.h +++ b/pc-bios/s390-ccw/virtio.h @@ -28,6 +28,7 @@ enum VirtioDevType { VIRTIO_ID_BLOCK = 2, VIRTIO_ID_CONSOLE = 3, VIRTIO_ID_BALLOON = 5, + VIRTIO_ID_SCSI = 8, }; typedef enum VirtioDevType VirtioDevType; @@ -224,12 +225,35 @@ extern uint64_t virtio_get_blocks(void); extern int virtio_read_many(ulong sector, void *load_addr, int sec_num); #define VIRTIO_SECTOR_SIZE 512 +#define VIRTIO_ISO_BLOCK_SIZE 2048 +#define VIRTIO_SCSI_BLOCK_SIZE 512 static inline ulong virtio_sector_adjust(ulong sector) { return sector * (virtio_get_block_size() / VIRTIO_SECTOR_SIZE); } +struct VirtioScsiConfig { + uint32_t num_queues; + uint32_t seg_max; + uint32_t max_sectors; + uint32_t cmd_per_lun; + uint32_t event_info_size; + uint32_t sense_size; + uint32_t cdb_size; + uint16_t max_channel; + uint16_t max_target; + uint32_t max_lun; +} __attribute__((packed)); +typedef struct VirtioScsiConfig VirtioScsiConfig; + +struct ScsiDevice { + uint16_t channel; /* Always 0 in QEMU */ + uint16_t target; /* will be scanned over */ + uint32_t lun; /* will be reported */ +}; +typedef struct ScsiDevice ScsiDevice; + struct VDev { int nr_vqs; VRing *vrings; @@ -241,7 +265,15 @@ struct VDev { SenseId senseid; union { VirtioBlkConfig blk; + VirtioScsiConfig scsi; } config; + ScsiDevice *scsi_device; + bool is_cdrom; + int scsi_block_size; + int blk_factor; + uint64_t scsi_last_block; + uint32_t scsi_dev_cyls; + uint8_t scsi_dev_heads; }; typedef struct VDev VDev; |