Page MenuHomeFreeBSD
Differential D2512 Diff 5448 sys/dev/hyperv/storvsc/hv_vstorage.h

Changeset View

Standalone View

View Options

sys/dev/hyperv/storvsc/hv_vstorage.h

Show First 20 Lines • Show All 45 Lines • ▼ Show 20 Lines
*/ */
#define VMSTOR_INVALID_PROTOCOL_VERSION -1 #define VMSTOR_INVALID_PROTOCOL_VERSION -1
/* /*
* Version history: * Version history:
* V1 Beta 0.1 * V1 Beta 0.1
* V1 RC < 2008/1/31 1.0 * V1 RC < 2008/1/31 1.0
* V1 RC > 2008/1/31 2.0 * V1 RC > 2008/1/31 2.0
* Win7: 4.2
* Win8: 5.1
*/ */
#define VMSTOR_PROTOCOL_VERSION_CURRENT VMSTOR_PROTOCOL_VERSION(5, 1) #define VMSTOR_PROTOCOL_VERSION_CURRENT VMSTOR_PROTOCOL_VERSION(5, 1)
/** /**
* Packet structure ops describing virtual storage requests. * Packet structure ops describing virtual storage requests.
*/ */
enum vstor_packet_ops { enum vstor_packet_ops {
Show All 16 Lines
/* /*
* Platform neutral description of a scsi request - * Platform neutral description of a scsi request -
* this remains the same across the write regardless of 32/64 bit * this remains the same across the write regardless of 32/64 bit
* note: it's patterned off the Windows DDK SCSI_PASS_THROUGH structure * note: it's patterned off the Windows DDK SCSI_PASS_THROUGH structure
*/ */
#define CDB16GENERIC_LENGTH 0x10 #define CDB16GENERIC_LENGTH 0x10
#define SENSE_BUFFER_SIZE 0x12 #define SENSE_BUFFER_SIZE 0x14
#define MAX_DATA_BUFFER_LENGTH_WITH_PADDING 0x14 #define MAX_DATA_BUFFER_LENGTH_WITH_PADDING 0x14
#define POST_WIN7_STORVSC_SENSE_BUFFER_SIZE 0x14
#define PRE_WIN8_STORVSC_SENSE_BUFFER_SIZE 0x12
struct vmscsi_win8_extension {
/*
* The following were added in Windows 8
*/
uint16_t reserve;
uint8_t queue_tag;
uint8_t queue_action;
uint32_t srb_flags;
uint32_t time_out_value;
uint32_t queue_sort_ey;
} __packed;
struct vmscsi_req { struct vmscsi_req {
uint16_t length; uint16_t length;
uint8_t srb_status; uint8_t srb_status;
uint8_t scsi_status; uint8_t scsi_status;
/* HBA number, set to the order number detected by initiator. */ /* HBA number, set to the order number detected by initiator. */
uint8_t port; uint8_t port;
/* SCSI bus number or bus_id, different from CAM's path_id. */ /* SCSI bus number or bus_id, different from CAM's path_id. */
Show All 11 Linesstruct vmscsi_req {
union { union {
uint8_t cdb[CDB16GENERIC_LENGTH]; uint8_t cdb[CDB16GENERIC_LENGTH];
uint8_t sense_data[SENSE_BUFFER_SIZE]; uint8_t sense_data[SENSE_BUFFER_SIZE];
uint8_t reserved_array[MAX_DATA_BUFFER_LENGTH_WITH_PADDING]; uint8_t reserved_array[MAX_DATA_BUFFER_LENGTH_WITH_PADDING];
} u; } u;
/*
* The following was added in win8.
*/
struct vmscsi_win8_extension win8_extension;
} __packed; } __packed;
/** /**
* This structure is sent during the initialization phase to get the different * This structure is sent during the initialization phase to get the different
* properties of the channel. * properties of the channel.
*/ */
▲ Show 20 Lines • Show All 120 Lines • Show Last 20 Lines