diff options
Diffstat (limited to 'sys/dev/amr/amrio.h')
| -rw-r--r-- | sys/dev/amr/amrio.h | 54 |
1 files changed, 49 insertions, 5 deletions
diff --git a/sys/dev/amr/amrio.h b/sys/dev/amr/amrio.h index 48e6efd..757e81c 100644 --- a/sys/dev/amr/amrio.h +++ b/sys/dev/amr/amrio.h @@ -27,10 +27,54 @@ */ /* - * Drive status + * ioctl interface */ -#define AMRD_OFFLINE 0x0 -#define AMRD_DEGRADED 0x1 -#define AMRD_OPTIMAL 0x2 -#define AMRD_DELETED 0x3 +#include <sys/ioccom.h> + +/* + * Fetch the driver's interface version. + */ +#define AMR_IO_VERSION_NUMBER 0x01 +#define AMR_IO_VERSION _IOR('A', 0x200, int) + +/* + * Pass a command from userspace through to the adapter. + * + * Note that in order to be code-compatible with the Linux + * interface where possible, the formatting of the au_cmd field is + * somewhat Interesting. + * + * For normal commands, the layout is (fields from struct amr_mailbox_ioctl): + * + * 0 mb_command + * 1 mb_channel + * 2 mb_param + * 3 mb_pad[0] + * 4 mb_drive + * + * For SCSI passthrough commands, the layout is: + * + * 0 AMR_CMD_PASS (0x3) + * 1 reserved, 0 + * 2 cdb length + * 3 cdb data + * 3+cdb_len passthrough control byte (timeout, ars, islogical) + * 4+cdb_len reserved, 0 + * 5+cdb_len channel + * 6+cdb_len target + */ + +struct amr_user_ioctl { + unsigned char au_cmd[32]; /* command text from userspace */ + void *au_buffer; /* data buffer in userspace */ + unsigned long au_length; /* data buffer size (0 == no data) */ + int au_direction; /* data transfer direction */ +#define AMR_IO_NODATA 0 +#define AMR_IO_READ 1 +#define AMR_IO_WRITE 2 + int au_status; /* command status returned by adapter */ +}; + +#define AMR_IO_COMMAND _IOWR('A', 0x201, struct amr_user_ioctl) + |
