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sys/dev/hyperv/storvsc/hv_vstorage.h

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/* /*
* 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
*/ */
#define VMSTOR_PROTOCOL_VERSION_CURRENT VMSTOR_PROTOCOL_VERSION(2, 0) #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 {
VSTOR_OPERATION_COMPLETEIO = 1, VSTOR_OPERATION_COMPLETEIO = 1,
VSTOR_OPERATION_REMOVEDEVICE = 2, VSTOR_OPERATION_REMOVEDEVICE = 2,
VSTOR_OPERATION_EXECUTESRB = 3, VSTOR_OPERATION_EXECUTESRB = 3,
VSTOR_OPERATION_RESETLUN = 4, VSTOR_OPERATION_RESETLUN = 4,
VSTOR_OPERATION_RESETADAPTER = 5, VSTOR_OPERATION_RESETADAPTER = 5,
VSTOR_OPERATION_RESETBUS = 6, VSTOR_OPERATION_RESETBUS = 6,
VSTOR_OPERATION_BEGININITIALIZATION = 7, VSTOR_OPERATION_BEGININITIALIZATION = 7,
VSTOR_OPERATION_ENDINITIALIZATION = 8, VSTOR_OPERATION_ENDINITIALIZATION = 8,
VSTOR_OPERATION_QUERYPROTOCOLVERSION = 9, VSTOR_OPERATION_QUERYPROTOCOLVERSION = 9,
VSTOR_OPERATION_QUERYPROPERTIES = 10, VSTOR_OPERATION_QUERYPROPERTIES = 10,
VSTOR_OPERATION_MAXIMUM = 10 VSTOR_OPERATION_ENUMERATE_BUS = 11,
VSTOR_OPERATION_FCHBA_DATA = 12,
VSTOR_OPERATION_CREATE_MULTI_CHANNELS = 13,
VSTOR_OPERATION_MAXIMUM = 13
}; };
/* /*
* 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
*/ */
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* properties of the channel. * properties of the channel.
*/ */
struct vmstor_chan_props { struct vmstor_chan_props {
uint16_t proto_ver; uint16_t proto_ver;
uint8_t path_id; uint8_t path_id;
uint8_t target_id; uint8_t target_id;
uint16_t max_channel_cnt;
/** /**
* Note: port number is only really known on the client side * Note: port number is only really known on the client side
*/ */
uint32_t port; uint16_t port;
uint32_t flags; uint32_t flags;
uint32_t max_transfer_bytes; uint32_t max_transfer_bytes;
/** /**
* This id is unique for each channel and will correspond with * This id is unique for each channel and will correspond with
* vendor specific data in the inquiry_ata * vendor specific data in the inquiry_ata
*/ */
uint64_t unique_id; uint64_t unique_id;
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* Structure used to query channel properties. * Structure used to query channel properties.
*/ */
struct vmstor_chan_props chan_props; struct vmstor_chan_props chan_props;
/** /**
* Used during version negotiations. * Used during version negotiations.
*/ */
struct vmstor_proto_ver version; struct vmstor_proto_ver version;
/**
* Number of multichannels to create
*/
uint16_t multi_channels_cnt;
} u; } u;
} __packed; } __packed;
/** /**
* SRB (SCSI Request Block) Status Codes * SRB (SCSI Request Block) Status Codes
*/ */
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