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* Copyright 2004 - 2013 VMware, Inc. All rights reserved.
***************************************************************************/
/*
* @VMKAPIMOD_LICENSE@
*/
/*
***********************************************************************
* SCSI-specific types */ /**
* \addtogroup SCSI
* @{
*
* \defgroup SCSItypes SCSI Types
* @{
***********************************************************************
*/
#ifndef _VMKAPI_SCSI_TYPES_H_
#define _VMKAPI_SCSI_TYPES_H_
/** \cond never */
#ifndef VMK_HEADER_INCLUDED_FROM_VMKAPI_H
#error This vmkapi file should never be included directly but only via vmkapi.h
#endif
/** \endcond never */
#include "core/vmkapi_dma.h"
#include "scsi/vmkapi_scsi_ext.h"
#include "scsi/vmkapi_scsi_mgmt_types.h"
#define VMK_SECTOR_SIZE 512
/**
* \brief configured SCSI system limits
*/
typedef struct vmk_ScsiSystemLimits {
vmk_uint32 maxDevices;
vmk_uint32 maxPaths;
vmk_VA pad[3];
} vmk_ScsiSystemLimits;
/**
* \brief Fixed format sense data structure maintained in each SCSI device
* SPC 3 r23, Section 4.5.3 table 26
*
* NB: The "valid" bit in the data structure does NOT tell whether the sense is
* actually valid and thus the name is really badly chosen (even though it is
* the official name from the SCSI II specification). The SCSI II spec.
* states "A valid bit of zero indicates that the information field is not as
* defined in this International Standard". we have seen that many tape drives
* are capable of returning sense without this bit set
*/
typedef struct vmk_ScsiSenseData {
/** \brief error type and format of sense data (see SPC 3 r23, Sec. 4.5.1) */
vmk_uint8 error :7,
/** \brief sense data is for "current command" */
#define VMK_SCSI_SENSE_ERROR_CURCMD 0x70
/** \brief sense data is for an earlier command */
#define VMK_SCSI_SENSE_ERROR_PREVCMD 0x71
/** \brief set to one indicates the 'info' field is valid */
valid :1;
/** \brief obsolete */
vmk_uint8 segment;
/** \brief generic information describing the error or exception condition */
vmk_uint8 key :4,
:1,
/** \brief see above spc section */
ili :1,
/** \brief see above spc section */
eom :1,
/** \brief see above spc section */
filmrk :1;
/** \brief see above spc section */
vmk_uint8 info[4];
/** \brief see above spc section */
vmk_uint8 optLen;
/** \brief see above spc section */
vmk_uint8 cmdInfo[4];
/** \brief further information about to the condition reported in 'key' */
vmk_uint8 asc;
/** \brief detailed information about to the additional sense code in 'asc' */
vmk_uint8 ascq;
/** \brief Field Replacable Unit code (see SPC 3 r23, 4.5.2.5) */
vmk_uint8 fru;
/** \brief Sense-key specific fields (see SPC 3 r23, 4.5.2.4) */
vmk_uint8 bitpos :3,
bpv :1,
:2,
cd :1,
/** \brief Set to indicate sense-key specific fields are valid */
sksv :1;
/** \brief field indicates which byte of the CDB or param data was in error */
vmk_uint16 epos;
/**
* \brief may contain vendor specific data further defining exception cond.
*
* Some vendors want to return additional data which
* requires a sense buffer of up to 64 bytes.
*
* See SPC 3 r23, Section 4.5
*/
vmk_uint8 additional[46];
} VMK_ATTRIBUTE_PACKED vmk_ScsiSenseData;
/*
* Default SCSI fixed format sense data structure without any additional data.
*/
typedef struct vmk_ScsiSenseDataSimple {
union {
struct {
/** \brief error type and format of sense data (see SPC 3 r23,
* Sec. 4.5.1)
*/
vmk_uint8 error :7,
/** \brief set to one indicates the 'info' field is valid */
valid :1;
/** \brief obsolete */
vmk_uint8 segment;
/** \brief generic information describing the error or exception
* condition
*/
vmk_uint8 key :4,
:1,
/** \brief see above spc section */
ili :1,
/** \brief see above spc section */
eom :1,
/** \brief see above spc section */
filmrk :1;
/** \brief see above spc section */
vmk_uint8 info[4];
/** \brief see above spc section */
vmk_uint8 optLen;
/** \brief see above spc section */
vmk_uint8 cmdInfo[4];
/** \brief further information about to the condition reported in
* 'key'
*/
vmk_uint8 asc;
/** \brief detailed information about to the additional sense code
* in 'asc'
*/
vmk_uint8 ascq;
/** \brief Field Replacable Unit code (see SPC 3 r23, 4.5.2.5) */
vmk_uint8 fru;
/** \brief Sense-key specific fields (see SPC 3 r23, 4.5.2.4) */
vmk_uint8 bitpos :3,
bpv :1,
:2,
cd :1,
/** \brief Set to indicate sense-key specific fields are valid */
sksv :1;
/** \brief field indicates which byte of the CDB or param data was in
* error
*/
vmk_uint16 epos;
} VMK_ATTRIBUTE_PACKED fixed; /* fixed format sense data */
struct {
vmk_uint8 error :7,
:1;
vmk_uint8 key :4,
:4;
vmk_uint8 asc;
vmk_uint8 ascq;
vmk_uint8 reserved[3];
vmk_uint8 optLen;
vmk_uint8 additional[10];
} VMK_ATTRIBUTE_PACKED descriptor; /* descriptor format sense data */
struct {
vmk_uint8 senseData[18];
} VMK_ATTRIBUTE_PACKED byte; /* byte-stream sense data */
} format;
} vmk_ScsiSenseDataSimple;
/**
* \brief SCSI Device event handler callback entry
*
* This function is called when a registered device
* event occurs. This function can consume the event
* or ignore it.
*
* \note This function must not block.
*
* \param[in] clientData Client specific data.
* \param[in] parm Parameter of the callback handler.
* \param[in] eventType Type of the event which occured.
*
*/
typedef void (*vmk_ScsiEventHandlerCbk) (vmk_AddrCookie clientData,
vmk_AddrCookie parm,
vmk_uint32 eventType);
/*
* Commands
*/
/**
* \brief SCSI command ID
*/
typedef struct vmk_ScsiCommandId {
/** \brief unique token of originator of cmd */
void *initiator;
/** \brief unique serial of cmd */
vmk_uint64 serialNumber;
} vmk_ScsiCommandId;
struct vmk_ScsiCommand;
typedef void (*vmk_ScsiCommandDoneCbk)(struct vmk_ScsiCommand *cmd);
/**
* \brief Flag definitions for vmk_ScsiCommand.flags field.
*
*/
typedef enum {
/**
* \brief Command requests Use of Head-of-Q tag.
*
* This instructs the lower level drivers to issue this command
* with Head-of-Queue tag if full task management model is
* supported by the target else it can be ignored. This is a
* best-effort flag and its effectiveness is determined by
* how it is implemented by the underlying driver/devices.
*
* \note This is a SCSI target flag and is not used to prioritize
* I/Os in the internal queues, use
* VMK_SCSI_COMMAND_FLAGS_USE_PRIORITY_QUEUE for the latter.
*/
VMK_SCSI_COMMAND_FLAGS_ISSUE_WITH_HEAD_OF_Q_TAG = 0x00020000,
/**
* \brief Command requests Use of ORDERED tag.
*
* This instructs the lower level drivers to issue this command
* with ORDERED tag if tagged queuing is being used. If tagged
* queuing is not in effect for the target, it can be ignored.
* This is a best-effort flag and its effectiveness is determined
* by how it is implemented by the underlying driver/devices.
*/
VMK_SCSI_COMMAND_FLAGS_ISSUE_WITH_ORDERED_TAG = 0x00010000,
/**
* \brief Command is reservation sensitive.
*
* If a command has the VMK_SCSI_COMMAND_FLAGS_RESERVATION_SENSITIVE
* flag set, the plugin should _not_ retry the IO upon failure.
*/
VMK_SCSI_COMMAND_FLAGS_RESERVATION_SENSITIVE = 0x00008000,
/**
* \brief Command was issued to probe if a device supports it.
*
* This should be treated as hint for plugins to not log if these
* IOs fail with a "not supported" SCSI error status.
*/
VMK_SCSI_COMMAND_FLAGS_PROBE_FOR_SUPPORT = 0x00002000,
/**
* \brief IO is treated as high priority on internal queues.
*
* \note This is not used by drivers/devices to prioritize the
* I/O at the target. For this use
* VMK_SCSI_COMMAND_FLAGS_ISSUE_WITH_HEAD_OF_Q_TAG.
*/
VMK_SCSI_COMMAND_FLAGS_USE_PRIORITY_QUEUE = 0x00001000,
/**
* \brief Fail IO with "no-connect" if device is all-paths-dead.
*
* Instructs an MP Plugin to fail the I/O with a
* VMK_SCSI_HOST_NO_CONNECT host status if it finds that a
* vmk_ScsiDevice is in an all-paths-dead condition.
*
* Normally an MP Plugin should keep retrying the I/O until a path
* becomes available or it receives a task management abort or
* reset request.
*/
VMK_SCSI_COMMAND_FLAGS_NO_CONNECT_IF_APD = 0x00000800,
/**
* \brief Command is issued by a VM that is a guest cluster node.
*
* A Cluster may use SCSI reservation as a mechanism to determine
* node membership. As a result, a VM cluster is particularly
* sensitive to RESERVATION CONFLICT command status.
*
* The MP Plugin must ensure that the VM never sees incorrect
* reservation conflicts - e.g. reservation conflicts that arise
* during failover as paths are switched. Further, it must ensure
* that I/Os are never retried on (correct) reservation
* conflicts. So, the guest should see all genuine reservation
* conflicts from the device (e.g. ones caused by the other nodes
* in the VM cluster), but not any other ones.
*/
VMK_SCSI_COMMAND_FLAGS_VM_CLUSTER = 0x00000400,
/**
* \brief Indicator of a swap IO that is used to swap memory to disk.
*
* The swap IOs help relieve memory pressure on the system.
* So system should identify them and prioritize them if possible.
*/
VMK_SCSI_COMMAND_FLAGS_SWAP_IO = 0x00000200,
} /** \cond nodoc */ VMK_ATTRIBUTE_PACKED VMK_ATTRIBUTE_ALIGN(1) /* \endcond*/
vmk_ScsiCommandFlags;
#define VMK_SCSI_MAX_CDB_LEN 16
#define VMK_SCSI_MAX_SENSE_DATA_LEN 64
/**
* \brief SCSI command structure
*/
typedef struct vmk_ScsiCommand {
/** \brief Command completion callback for async IO. */
vmk_ScsiCommandDoneCbk done;
/** \brief Command completion callback argument for async IO. */
void *doneData;
/**
* \brief Scatter/gather array representing the machine-address ranges
* associated with the IO buffer.
*/
vmk_SgArray *sgArray;
/** \brief Hint indicating the direction of data transfer */
vmk_ScsiCommandDirection dataDirection;
/** \brief Command flags, see above */
vmk_uint32 flags;
/** \brief Hint indicating whether a cmd is a read IO */
vmk_Bool isReadCdb;
/** \brief Hint indicating whether a cmd is a write IO */
vmk_Bool isWriteCdb;
/** \brief Reserved */
vmk_uint8 reserved1[2];
/**
* \brief Minimum data transfer length.
*
* Must be <= vmk_SgGetDataLen(sgArray).
*/
vmk_ByteCountSmall requiredDataLen;
/** \brief WorldId of the world on behalf of whom cmd is issued. */
vmk_uint32 worldId;
/**
* \brief Number of blocks to be transferred.
*
* Only valid for when isReadCdb or isWriteCdb are set.
*/
vmk_uint32 lbc;
/**
* \brief address of first block to be xfer'd
*
* Only valid for isReadCdb or isWriteCdb.
*/
vmk_uint64 lba;
/**
* \brief Number of milliseconds since system boot before
* the command times out.
*
* 0 indicates the cmd will not be timed out.
*
* A nonzero value indicates the system time beyond which the storage
* framework will issue an abort task management request and fail
* the IO with a timeout status.
*/
vmk_uint64 absTimeoutMs;
/** \brief Unique tag for this command. */
vmk_ScsiCommandId cmdId;
/** \brief SCSI command descriptor block. */
vmk_uint8 cdb[VMK_SCSI_MAX_CDB_LEN];
/**
* \brief Number of valid bytes in cdb.
*
* Must be <= VMK_SCSI_MAX_CDB_LEN
*/
vmk_ByteCountSmall cdbLen;
/** \brief Command completion status. */
vmk_ScsiCmdStatus status;
/** \brief Number of bytes transferred to or from the data buffer. */
vmk_ByteCountSmall bytesXferred;
/**
* \deprecated Do not use in Native Drivers
* \brief Worldlet ID that submitted the command, if any.
*/
vmk_WorldletID worldletId;
/**
* \brief Scatter/gather array representing the IO-address ranges
* associated with the IO buffer.
*
* \note Sometimes this will be the same as sgArray but other
* times it will be different. Do not rely on the contents
* of sgIOArray and sgArray being identical.
*/
vmk_SgArray *sgIOArray;
/**
* \brief SCSI sense data.
*
* \deprecated This structure member is being deprecated.
* Consumers of this field should rely on the APIs
* vmk_ScsiCmd{Get,Set,Clear}SenseData() and
* vmk_ScsiGetSupportedCmdSenseDataSize().
*
* Only valid if vmk_ScsiCmdStatusIsCheck(cmd->status).
* Do not add any fields below this member.
*/
vmk_ScsiSenseData senseData;
/** \brief Reserved. */
vmk_VA reserved2[2];
} vmk_ScsiCommand;
/**
* \brief SCSI task management action
*/
typedef enum {
VMK_SCSI_TASKMGMT_ACTION_IGNORE = 0,
VMK_SCSI_TASKMGMT_ACTION_ABORT = 1,
} vmk_ScsiTaskMgmtAction;
/**
* \brief Used to abort all commands, regardless of initiator and s/n
*/
#define VMK_SCSI_TASKMGMT_ANY_INITIATOR (void*)0xA11
/**
* \brief SCSI task management
*/
typedef struct vmk_ScsiTaskMgmt {
/** \brief magic */
vmk_uint32 magic;
/** \brief task mgmt type */
vmk_ScsiTaskMgmtType type;
/** \brief command status */
vmk_ScsiCmdStatus status;
/** \brief cmdId of the cmd to abort. cmdId.serialNumber is only
* applicable for VMK_SCSI_TASKMGMT_ABORT and ignored for all
* other vmk_ScsiTaskMgmtType values. cmdId.initiator is only
* applicable for VMK_SCSI_TASKMGMT_ABORT and
* VMK_SCSI_TASKMGMT_VIRT_RESET, ignored for all other
* vmk_ScsiTaskMgmtType values
*/
vmk_ScsiCommandId cmdId;
/** \brief worldId of the cmd(s) to abort. only applicable for
* VMK_SCSI_TASKMGMT_ABORT and VMK_SCSI_TASKMGMT_VIRT_RESET, ignored
* for all other vmk_ScsiTaskMgmtType values
*/
vmk_uint32 worldId;
} vmk_ScsiTaskMgmt;
/*
* SCSI Adapter
*/
/**
* \brief Don't care value for 'hostMaxSectors'.
*/
#define VMK_SCSI_HOST_MAX_SECTORS_IGNORE 0xFFFF
/**
* \brief actions the 'discover' function can execute
*/
typedef enum vmk_ScanAction {
/** Create a path to the named LUN */
VMK_SCSI_SCAN_CREATE_PATH,
/** Keep a previously created path to the named LUN */
VMK_SCSI_SCAN_CONFIGURE_PATH,
/** Destroy the path to the named LUN */
VMK_SCSI_SCAN_DESTROY_PATH,
} vmk_ScanAction;
/**
* \brief bitmasks for adapter events
*
* Events are bit fields because users can
* wait for multiple events
*
*/
typedef enum vmk_ScsiAdapterEvents {
VMK_SCSI_ADAPTER_EVENT_FC_LOOP_UP = 0x00000001,
VMK_SCSI_ADAPTER_EVENT_FC_LOOP_DOWN = 0x00000002,
VMK_SCSI_ADAPTER_EVENT_FC_RSCN = 0x00000004,
VMK_SCSI_ADAPTER_EVENT_FC_NEW_TARGET = 0x00000008,
VMK_SCSI_ADAPTER_EVENT_FC_REMOVED_TARGET = 0x00000010,
VMK_SCSI_ADAPTER_EVENT_FC_NEW_VPORT = 0x00000020,
VMK_SCSI_ADAPTER_EVENT_FC_REMOVED_VPORT = 0x00000040,
VMK_SCSI_ADAPTER_EVENT_HOT_PLUG_ADD = 0x00000080,
VMK_SCSI_ADAPTER_EVENT_HOT_PLUG_REMOVE = 0x00000100,
VMK_SCSI_ADAPTER_EVENT_FC_TARGET_SCAN_DONE = 0x00000200,
} vmk_ScsiAdapterEvents;
/** \brief Event handler callback entry */
typedef void (*vmk_EventHandlerCbk) (void *clientData, vmk_uint32 eventType);
/**
* \brief bitmasks for flags field of SCSI adapter
*
* Through this flags, give vmkernel information how handle the adapter.
*
*/
typedef enum vmk_ScsiAdapterFlags {
/** \deprecated Legacy from Console-OS based shared block adapters */
VMK_SCSI_ADAPTER_FLAG_BLOCK = 0x00000001,
/**
* \deprecated Do not use in Native Drivers
* This adapter is an NPIV VPORT */
VMK_SCSI_ADAPTER_FLAG_NPIV_VPORT = 0x00000002,
/** Do not scan when registering this adapter */
VMK_SCSI_ADAPTER_FLAG_REGISTER_WITHOUT_SCAN = 0x00000004,
/** Do not scan periodically */
VMK_SCSI_ADAPTER_FLAG_NO_PERIODIC_SCAN = 0x00000008,
/** Ok to probe periodically, but no adapter rescan */
VMK_SCSI_ADAPTER_FLAG_NO_ADAPTER_RESCAN = 0x00000010,
/**
* \deprecated Do not use in Native Drivers
* This adapter is a Legacy NPIV VPORT */
VMK_SCSI_ADAPTER_FLAG_NPIV_LEGACY_VPORT = 0x00000020,
} vmk_ScsiAdapterFlags;
/*
***********************************************************************
* vmk_ScsiAdapterCommand -- */ /**
*
* \brief Queue a SCSI command on the adapter and LUN specified.
*
* Perform the command passed in 'cmd' on the adapter passed in
* 'clientData' on the LUN passed in 'deviceData'.
*
* \note Required function pointer
*
* \param[in] clientData Handle to the adapter to perform the
* comand on.
* \param[in] cmd Pointer to the command to execute.
* \param[in] deviceData Pointer to deviceData returned by 'discover'
* Create path.
*
* \retval VMK_WOULD_BLOCK cmd not queued because of Queue Depth limit
* or device was quiesced.
* \retval VMK_NO_MEMORY Out of memory.
* \retval VMK_OK Success - cmd queued or will be completed
* with error.
*
***********************************************************************
*/
typedef VMK_ReturnStatus (*vmk_ScsiAdapterCommand)(void *clientData,
struct vmk_ScsiCommand *cmd,
void *deviceData);
/*
***********************************************************************
* vmk_ScsiAdapterTaskMgmt -- */ /**
*
* \brief Perform a SCSI task management command on the adapter and
* LUN specified.
*
* Perform the task management command passed in 'taskMgmt' on the
* adapter passed in 'clientData' (if applicable) and on the LUN
* passed in 'deviceData'.
*
* \note Required function pointer
*
* \param[in] clientData Handle to the adapter to perform the task
* management action on.
* \param[in] taskMgmt Pointer to the task management command to
* be executed.
* \param[in] deviceData Pointer to deviceData returned by 'discover'
* Create.
*
* \retval VMK_FAILURE Task management command failed.
* \retval VMK_NO_MEMORY Out of memory.
* \retval VMK_OK Success.
*
***********************************************************************
*/
typedef VMK_ReturnStatus (*vmk_ScsiAdapterTaskMgmt)(
void *clientData,
struct vmk_ScsiTaskMgmt *taskMgmt,
void *deviceData);
/*
***********************************************************************
* vmk_ScsiAdapterDumpCommand -- */ /**
*
* \brief Queue a SCSI command during a core dump on the adapter
* and LUN specified.
*
* Perform the command passed in 'cmd' on the adapter passed in
* 'clientData' on the LUN passed in 'deviceData' during a core dump.
*
* \note Required function pointer
*
* \note Please see the description of system dumps in the VMkernel
* fundamentals guide.
*
* \param[in] clientData Handle to the adapter to perform the discover
* action on.
* \param[in] cmd Pointer to the command to execut.
* \param[in] deviceData Pointer to deviceData returned by 'discover'
* Create.
*
* \note No one else can issue commands to this device anymore though
* the ordinary 'command' entry point.
*
* \retval VMK_WOULD_BLOCK cmd not queued because of Queue Depth limit
* or device was quiesced.
* \retval VMK_BUSY Command cannot be executed, error handler active.
* \retval VMK_FAILURE Command cannot be executed.
* \retval VMK_NO_MEMORY Out of memory.
* \retval VMK_OK Success - cmd queued or will be completed
* with error.
*
***********************************************************************
*/
typedef VMK_ReturnStatus (*vmk_ScsiAdapterDumpCommand)(
void *clientData,
vmk_ScsiCommand *cmd,
void *deviceData);
/*
***********************************************************************
* vmk_ScsiAdapterDumpQueue -- */ /**
*
* \brief Log the current adapter queue.
*
* \note Required function pointer
*
* \param[in] clientData Handle to the adapter.
*
***********************************************************************
*/
typedef void (*vmk_ScsiAdapterDumpQueue)(void *clientData);
/*
***********************************************************************
* vmk_ScsiAdapterDumpPollHandler -- */ /**
*
* \brief Run the adapter's poll handler, called on the dump device
* during a system dump.
*
* \note Required function pointer
*
* \note Please see the description of system dumps in the VMkernel
* fundamentals guide.
*
* \param[in] clientData Handle to the adapter.
*
* \param[in] dumpPollHandlerData Argument passed to dumpPollHandler
*
***********************************************************************
*/
typedef void (*vmk_ScsiAdapterDumpPollHandler)(void *clientData);
/*
***********************************************************************
* vmk_ScsiAdapterDiscover -- */ /**
*
* \brief Perform the discovery action specified
*
* The driver should perform the action specified in 'action' for the
* LUN described by 'channel', 'targetId' and 'lunId'.
* The pointer passed in 'deviceData' points to a void * to place or
* use the driver private data structure pointer that is used as a
* handle to the LUN.
*
* \note Required function pointer
*
* \note This function is allowed to block in the driver.
*
* \param[in] clientData Handle to the adapter.
* \param[in] action One of the vmk_ScanAction enums declared above
* can be create, configure or destroy.
* \param[in] channel The channel to perform the action on.
* \param[in] targetId The target Id to perform the action on.
* \param[in] lunId The LUN Id to perform the action on.
* \param[in,out] deviceData Pointer to where the deviceData pointer
* is placed for create and destroy
*
* \note *deviceData is the private data structure the driver returns
* to represent the channel/targetId/lunId created. This pointer is
* used by the VMkernel as a handle for performance reasons in
* various other function pointer calls to represent the path
* to the LUN to be acted on.
*
* \note Return values for Create (VMK_SCSI_SCAN_CREATE_PATH)
* \retval VMK_NO_CONNECT The targetId does not exist or a target error
* occured.
* \retval VMK_NO_MEMORY Out of memory (not enough to create path).
* \retval VMK_EXISTS Path with specified channel/targetId/lunId
* already exists - *deviceData returned for
* existing path
* \retval VMK_OK Success - *deviceData returned for newly
* created path
*
* \note Return values for Configure (VMK_SCSI_SCAN_CONFIGURE_PATH)
* \retval VMK_FAILURE Path cannot be configured
* \retval VMK_NOT_FOUND Path cannot be found
* \retval VMK_OK Success - *deviceData not changed
*
* \note Return values for Destroy (VMK_SCSI_SCAN_DESTROY_PATH)
* \retval VMK_FAILURE Path cannot be destroyed
* \retval VMK_OK Success - *deviceData will be written with NULL
*
***********************************************************************
*/
typedef VMK_ReturnStatus (*vmk_ScsiAdapterDiscover)(
void *clientData,
vmk_ScanAction action,
int channel,
int targetId,
int lunId,
void **deviceData);
/*
***********************************************************************
* vmk_ScsiAdapterModifyDeviceQueueDepth -- */ /**
*
* \brief Modify path queue depth on LUN specified if possible.
*
* \param[in] clientData Handle to the adapter.
* \param[in] qDepth New queue depth to set.
* \param[in] deviceData LUN pointer returned by 'discover' Create.
*
* \note Optional function pointer
*
* \retval Returns the new queue depth in effect, which could be
* lower than the depth actually requested if the driver
* cannot honor the requested (higher) queue depth.
* \retval Returns 0 if not a valid path.
*
***********************************************************************
*/
typedef int (*vmk_ScsiAdapterModifyDeviceQueueDepth)(
void *clientData,
int qDepth,
void *deviceData);
/*
***********************************************************************
* vmk_ScsiAdapterQueryDeviceQueueDepth -- */ /**
*
* \brief Return the current path queue depth on LUN specified.
*
* \note Required function pointer
*
* \param[in] clientData Handle to the adapter.
* \param[in] deviceData LUN pointer returned by 'discover' Create.
*
* \retval Returns the current queue depth for the path.
* \retval Returns 0 if not a valid path.
*
***********************************************************************
*/
typedef int (*vmk_ScsiAdapterQueryDeviceQueueDepth)(
void *clientData,
void *deviceData);
/*
***********************************************************************
* vmk_ScsiAdapterCheckTarget -- */ /**
*
* \brief Check if the specified target exists on the adapter and
* channel specified.
*
* \note Required function pointer for SAN drivers, optional
* for all others.
*
* \note If checkTarget returns VMK_FAILURE, we will not call
* discover to create paths.
*
* \param[in] clientData Handle to the adapter.
* \param[in] channel The channel to check for target on.
* \param[in] targetId The target Id to check.
*
* \retval VMK_FAILURE Target does not exist
* \retval VMK_OK Success - target exists
*
***********************************************************************
*/
typedef VMK_ReturnStatus (*vmk_ScsiAdapterCheckTarget)(
void *clientData,
int channel,
int targetId);
/*
***********************************************************************
* vmk_ScsiAdapterNotifyIOAllowed -- */ /**
*
* \brief Callback to notify when IO is allowed to adapter
*
* \note Optional function pointer
*
* \note The Native Driver must assume IO is not possible until a
* "VMK_TRUE" is notified through this API.
*
* \note This function is not allowed to block in the driver.
*
* \note Passes VMK_TRUE or VMK_FALSE on these conditions:
* VMK_TRUE - When logical device registration is complete and
* when unquiescing the logical device.
* VMK_FALSE - When logical device quiesce is complete and when
* deviceForget is complete.
*
* \param[in] logicalDevice Handle to the logical device.
* \param[in] ioAllowed VMK_TRUE if IO is allowed, VMK_FALSE if IO
* not allowed.
*
***********************************************************************
*/
typedef void (*vmk_ScsiAdapterNotifyIOAllowed)(
vmk_Device logicalDevice,
vmk_Bool ioAllowed);
/**
* \brief main data structure for SCSI adapter
*
* The discover() entrypoint passes back a deviceData.
* This deviceData must be able to completely identify
* the channel:target:lun of the device as it's the only
* thing that will be passed back once it's set by the
* discover() entrypoint.
*/
typedef struct vmk_ScsiAdapter {
/**
* \deprecated Do not use in Native Drivers
* \brief DMA constraints for this adapter.
* \note See 'engine' field below for more information.
*/
vmk_DMAConstraints constraints;
/** \brief Device for this adapter. */
vmk_Device device;
/** \brief max # of blocks per i/o */
int hostMaxSectors;
/** \brief Pointer to the total queue depth for the adapter */
vmk_uint32 *qDepthPtr;
/** \brief Issue a SCSI command to the specified device */
vmk_ScsiAdapterCommand command;
/** \brief Issue a SCSI task management */
vmk_ScsiAdapterTaskMgmt taskMgmt;
/** \brief Issue a SCSI command during a core dump */
vmk_ScsiAdapterDumpCommand dumpCommand;
/**
* \deprecated Do not use in Native Drivers
* \brief Perform a close on the adapter specified.
*/
void (*close)(void *clientData);
/**
* \deprecated Do not use in Native Drivers
* \brief proc handler for the given SCSI host adapter.
*/
VMK_ReturnStatus (*procInfo)(
void* clientData,
char* buf,
vmk_ByteCountSmall offset,
vmk_ByteCountSmall count,
vmk_ByteCountSmall* nbytes,
int isWrite);
/** \brief Log the current adapter queue */
vmk_ScsiAdapterDumpQueue dumpQueue;
/** \brief Run the adapter's poll handler, called on the dump device
* during a system dump. */
vmk_ScsiAdapterDumpPollHandler dumpPollHandler;
/** \brief Passed as the argument to dumpPollHandler() */
void *dumpPollHandlerData;
/**
* \deprecated Do not use in Native Drivers
* \brief driver specific ioctl
*/
VMK_ReturnStatus (*ioctl)(
void *clientData,
void *deviceData,
vmk_uint32 fileFlags,
vmk_uint32 cmd,
vmk_VA userArgsPtr,
vmk_IoctlCallerSize callerSize,
vmk_int32 *drvErr);
/** \brief discover & destroy a device */
vmk_ScsiAdapterDiscover discover;
/**
* \deprecated Do not use in Native Drivers
* \brief send NPIV specific commands to a device
*/
VMK_ReturnStatus (*vportop)(
void *clientData,
vmk_uint32 cmd,
void *arg);
/**
* \deprecated Do not use in Native Drivers
* \brief scan a single LUN on a vport
*/
VMK_ReturnStatus (*vportDiscover)(
void *clientData,
vmk_ScanAction action,
int ctlr,
int devNum,
int lun,
struct vmk_ScsiAdapter **vmkAdapter,
void **deviceData);
/** \brief try changing the path queue depth */
vmk_ScsiAdapterModifyDeviceQueueDepth modifyDeviceQueueDepth;
/** \brief query the path queue depth */
vmk_ScsiAdapterQueryDeviceQueueDepth queryDeviceQueueDepth;
/** \brief checks if a target exists */
vmk_ScsiAdapterCheckTarget checkTarget;
/** \brief SCSI target id of adapter, or -1 if n/a */
int targetId;
/** \brief adapter flags, see vmk_ScsiAdapterFlags above */
vmk_uint32 flags;
int reserved;
/** \brief id of module running this adapter */
vmk_ModuleID moduleID;
/** \brief adapter creator's private convenience scratch data ptr
*
* \note clientData is a pointer to a private structure provided
* by the driver for use as 'handle' to represent an
* adapter for many function calls.
*/
void *clientData;
/** \brief # of channels */
int channels;
/** \brief # of targets per channel */
int maxTargets;
/** \brief max # of logical units per target */
int maxLUNs;
/** \brief Unique adapter number. Set by vmk_ScsiAllocateAdapter. */
vmk_uint16 hostNum;
/** \brief adapter support physical address extensions? */
vmk_Bool paeCapable;
/** \brief max len of SCSI cmds adapter can accept */
vmk_uint8 maxCmdLen;
/** \brief adapter name */
vmk_Name name;
/** \brief driver name */
vmk_Name driverName;
/**
* \deprecated Do not use in Native Drivers
* \brief /proc directory */
vmk_Name procName;
/** \brief transport specific mgmtAdapter hooks */
vmk_SCSITransportMgmt mgmtAdapter;
/** \brief notify when IO is allowed/disallowed */
vmk_ScsiAdapterNotifyIOAllowed notifyIOAllowed;
/*
* \brief DMA Engine created by driver
*
* \note Native Drivers must create and pass a DMA Engine for use by the
* PSA stack for SCSI IO. The vmk_DMAConstraints are embedded
* in the 'engine' at creation time.
*/
vmk_DMAEngine engine;
} vmk_ScsiAdapter;
/*
* Physical Path
*/
#define VMK_SCSI_PATH_ANY_ADAPTER "*"
#define VMK_SCSI_PATH_ANY_CHANNEL ~0
#define VMK_SCSI_PATH_ANY_TARGET ~0
#define VMK_SCSI_PATH_ANY_LUN ~0
typedef enum {
VMK_SCSI_PLUGIN_STATE_ENABLED,
VMK_SCSI_PLUGIN_STATE_DISABLING,
VMK_SCSI_PLUGIN_STATE_DISABLED,
VMK_SCSI_PLUGIN_STATE_CLAIM_PATHS,
} vmk_ScsiPluginState;
/**
* \deprecated Do not use in Native Drivers
* \brief Opaque handle for Completion Objects, provided by lower layer.
*/
typedef vmk_AddrCookie vmk_ScsiCompletionHandle;
/**
* \deprecated Do not use in Native Drivers
* \brief Completion Object information passed by the vmkLinux module.
*/
typedef struct vmk_ScsiCompObjectInfo {
/** \brief Completion Object Handle assigned by the lower layer. */
vmk_ScsiCompletionHandle completionHandle;
/** \brief Worldlet - if any - associated with the completion object. */
vmk_Worldlet completionWorldlet;
vmk_uint8 infoPad[8];
} vmk_ScsiCompObjectInfo;
/**
* \brief Format of INQUIRY request block.
* SPC 3 r23, Section 6.4.1 table 80
*/
typedef struct vmk_ScsiInquiryCmd {
/** \brief see above spc section */
vmk_uint8 opcode;
/** \brief see above spc section */
vmk_uint8 evpd :1,
/** \brief see above spc section */
cmddt :1,
/** \brief see above spc section */
resv12:3,
/** \brief see above spc section */
lun :3;
/** \brief see above spc section */
vmk_uint8 pagecode;
/** \brief see above spc section */
vmk_uint16 length;
/** \brief see above spc section */
vmk_uint8 ctrl;
} VMK_ATTRIBUTE_PACKED vmk_ScsiInquiryCmd;
/**
* \brief Format of INQUIRY response block.
* SPC 3 r23, Section 6.4.2 table 81
*/
typedef struct vmk_ScsiInquiryResponse {
/** \brief see above spc section */
vmk_uint8 devclass :5,
/** \brief see above spc section */
pqual :3;
#define VMK_SCSI_PQUAL_CONNECTED 0 // device described is connected to the LUN
#define VMK_SCSI_PQUAL_NOTCONNECTED 1 // target supports such a device, but none is connected
#define VMK_SCSI_PQUAL_NODEVICE 3 // target does not support a physical device for this LUN
/** \brief see above spc section */
vmk_uint8 :7,
/** \brief see above spc section */
rmb:1;
/** \brief see above spc section */
vmk_uint8 ansi :3,
#define VMK_SCSI_ANSI_SCSI1 0x0 // device supports SCSI-1
#define VMK_SCSI_ANSI_CCS 0x1 // device supports the CCS
#define VMK_SCSI_ANSI_SCSI2 0x2 // device supports SCSI-2
#define VMK_SCSI_ANSI_SCSI3_SPC 0x3 // device supports SCSI-3 version SPC
#define VMK_SCSI_ANSI_SCSI3_SPC2 0x4 // device supports SCSI-3 version SPC-2
#define VMK_SCSI_ANSI_SCSI3_SPC3 0x5 // device supports SCSI-3 version SPC-3
#define VMK_SCSI_ANSI_SCSI3_SPC4 0x6 // device supports SCSI-3 version SPC-4
/** \brief see above spc section */
ecma :3,
/** \brief see above spc section */
iso :2;
/** \brief see above spc section */
vmk_uint8 dataformat :4,
/** \brief see above spc section */
:1,
/** \brief see above spc section */
naca :1,
/** \brief see above spc section */
tio :1,
/** \brief see above spc section */
aen :1;
/** \brief see above spc section */
vmk_uint8 optlen;
/** \brief see above spc section */
vmk_uint8 protect :1,
/** \brief see above spc section */
rsrv :2,
/** \brief see above spc section */
tpcp :1,
/** \brief see above spc section */
tpgs :2,
/** \brief see above spc section */
acc :1,
/** \brief see above spc section */
sccs :1;
#define VMK_SCSI_TPGS_NONE 0x0
#define VMK_SCSI_TPGS_IMPLICIT_ONLY 0x1
#define VMK_SCSI_TPGS_IMPLICIT VMK_SCSI_TPGS_IMPLICIT_ONLY
#define VMK_SCSI_TPGS_EXPLICIT_ONLY 0x2
#define VMK_SCSI_TPGS_EXPLICIT VMK_SCSI_TPGS_EXPLICIT_ONLY
#define VMK_SCSI_TPGS_BOTH_IMPLICIT_AND_EXPLICIT 0x3
#define VMK_SCSI_TPGS_BOTH VMK_SCSI_TPGS_BOTH_IMPLICIT_AND_EXPLICIT
/** \brief see above spc section */
vmk_uint8 adr16 :1,
/** \brief see above spc section */
adr32 :1,
/** \brief see above spc section */
arq :1,
/** \brief see above spc section */
mchngr :1,
/** \brief see above spc section */
dualp :1,
/** \brief see above spc section */
port :1,
/** \brief see above spc section */
:2;
/** \brief see above spc section */
vmk_uint8 sftr :1,
/** \brief see above spc section */
que :1,
/** \brief see above spc section */
trndis :1,
/** \brief see above spc section */
link :1,
/** \brief see above spc section */
sync :1,
/** \brief see above spc section */
w16 :1,
/** \brief see above spc section */
w32 :1,
/** \brief see above spc section */
rel :1;
/** \brief see above spc section */
vmk_uint8 manufacturer[8];
/** \brief see above spc section */
vmk_uint8 product[16];
/** \brief see above spc section */
vmk_uint8 revision[4];
/** \brief see above spc section */
vmk_uint8 vendor1[20];
/** \brief see above spc section */
vmk_uint8 reserved[40];
} vmk_ScsiInquiryResponse;
#define VMK_SCSI_STANDARD_INQUIRY_MIN_LENGTH 36
/**
* \brief Format of INQUIRY EVPD responses
* SPC 3 r23, Section 7.6
*/
typedef struct vmk_ScsiInquiryVPDResponse {
/** \brief see above spc section */
vmk_uint8 devclass :5,
/** \brief see above spc section */
pqual :3;
/** \brief see above spc section */
vmk_uint8 pageCode;
/** \brief see above spc section */
vmk_uint8 reserved;
/** \brief see above spc section */
vmk_uint8 payloadLen;
/** \brief see above spc section */
vmk_uint8 payload[0];
} VMK_ATTRIBUTE_PACKED VMK_ATTRIBUTE_ALIGN(1) vmk_ScsiInquiryVPDResponse;
/**
* \brief Format of INQUIRY EVPD Page 83 response
* SPC 3 r23, Section 7.6.3.1 table 294
*/
typedef struct vmk_ScsiInquiryVPD83Response {
/** \brief see above spc section */
vmk_uint8 devclass :5,
/** \brief see above spc section */
pqual :3;
/** \brief see above spc section */
vmk_uint8 pageCode;
/** \brief see above spc section */
vmk_uint16 payloadLen;
/** \brief see above spc section */
vmk_uint8 payload[0];
} VMK_ATTRIBUTE_PACKED VMK_ATTRIBUTE_ALIGN(1) vmk_ScsiInquiryVPD83Response;
/**
* \brief Format of INQUIRY EVPD Page 83 response id descriptor
* SPC 3 r23, Section 7.6.3.1 table 295
*/
typedef struct vmk_ScsiInquiryVPD83IdDesc {
/** \brief see above spc section */
vmk_uint8 codeSet :4,
/** \brief see above spc section */
protocolId :4;
#define VMK_SCSI_EVPD83_ID_VENDOR (0x0)
#define VMK_SCSI_EVPD83_ID_T10 (0x1)
#define VMK_SCSI_EVPD83_ID_EUI (0x2)
#define VMK_SCSI_EVPD83_ID_NAA (0x3)
#define VMK_SCSI_EVPD83_ID_RTP (0x4)
#define VMK_SCSI_EVPD83_ID_TPG (0x5)
#define VMK_SCSI_EVPD83_ID_LUG (0x6)
#define VMK_SCSI_EVPD83_ID_MD5 (0x7)
#define VMK_SCSI_EVPD83_ID_SCSINAME (0x8)
/** \brief see above spc section */
vmk_uint8 idType :4,
#define VMK_SCSI_EVPD83_ASSOCIATION_LU (0x0)
#define VMK_SCSI_EVPD83_ASSOCIATION_PORT (0x1)
#define VMK_SCSI_EVPD83_ASSOCIATION_DEV (0x2)
/** \brief see above spc section */
association :2,
/** \brief see above spc section */
reserved1 :1,
/** \brief see above spc section */
piv :1;
/** \brief see above spc section */
vmk_uint8 reserved2;
/** \brief see above spc section */
vmk_uint8 idLen;
/** \brief see above spc section */
vmk_uint8 id[0];
} VMK_ATTRIBUTE_PACKED VMK_ATTRIBUTE_ALIGN(1) vmk_ScsiInquiryVPD83IdDesc;
#define VMK_SCSI_EVPD83_NAA_EXTENDED (0x2)
#define VMK_SCSI_EVPD83_NAA_REGISTERED (0x5)
#define VMK_SCSI_EVPD83_NAA_REG_EXT (0x6)
/**
* \brief NAA IEEE Registered Extended identification field foramt
* SPC 3 r23:
* Section 7.6.3.6.4 table 309.
*/
typedef struct vmk_ScsiNAARegExtendedIdField {
vmk_uint8 companyIdMSB :4,
NAA :4;
vmk_uint16 companyIdMiddleBytes;
vmk_uint8 vendorSpecIdMSB :4,
companyIdLSB :4;
vmk_uint32 vendorSpecIdLSB;
vmk_uint64 vendorSpecIdExt;
} __attribute__((packed,aligned(1))) vmk_ScsiNAARegExtendedIdField;
/**
* \brief Format of the 6 byte version of MODE SELECT
* SPC 3 r23, Section 6.9.1 table 97
*/
typedef struct vmk_ScsiModeSenseCmd {
/** \brief see above spc section */
vmk_uint8 opcode;
/** \brief see above spc section */
vmk_uint8 :3,
/** \brief see above spc section */
dbd :1,
:1,
/** \brief see above spc section */
lun :3;
/** \brief see above spc section */
vmk_uint8 page :6,
#define VMK_SCSI_MS_PAGE_VENDOR 0x00 // vendor-specific (ALL)
#define VMK_SCSI_MS_PAGE_RWERROR 0x01 // read/write error (DISK/TAPE/CDROM/OPTICAL)
#define VMK_SCSI_MS_PAGE_CONNECT 0x02 // disconnect/connect (ALL)
#define VMK_SCSI_MS_PAGE_FORMAT 0x03 // format (DISK)
#define VMK_SCSI_MS_PAGE_PARALLEL 0x03 // parallel interface (PRINTER)
#define VMK_SCSI_MS_PAGE_UNITS 0x03 // measurement units (SCANNER)
#define VMK_SCSI_MS_PAGE_GEOMETRY 0x04 // rigid disk geometry (DISK)
#define VMK_SCSI_MS_PAGE_SERIAL 0x04 // serial interface (PRINTER)
#define VMK_SCSI_MS_PAGE_FLEXIBLE 0x05 // flexible disk geometry (DISK)
#define VMK_SCSI_MS_PAGE_PRINTER 0x05 // printer operations (PRINTER)
#define VMK_SCSI_MS_PAGE_OPTICAL 0x06 // optical memory (OPTICAL)
#define VMK_SCSI_MS_PAGE_VERIFY 0x07 // verification error (DISK/CDROM/OPTICAL)
#define VMK_SCSI_MS_PAGE_CACHE 0x08 // cache (DISK/CDROM/OPTICAL)
#define VMK_SCSI_MS_PAGE_PERIPH 0x09 // peripheral device (ALL)
#define VMK_SCSI_MS_PAGE_CONTROL 0x0a // control mode (ALL)
#define VMK_SCSI_MS_PAGE_MEDIUM 0x0b // medium type (DISK/CDROM/OPTICAL)
#define VMK_SCSI_MS_PAGE_NOTCH 0x0c // notch partitions (DISK)
#define VMK_SCSI_MS_PAGE_CDROM 0x0d // CD-ROM (CDROM)
#define VMK_SCSI_MS_PAGE_CDAUDIO 0x0e // CD-ROM audio (CDROM)
#define VMK_SCSI_MS_PAGE_COMPRESS 0x0f // data compression (TAPE)
#define VMK_SCSI_MS_PAGE_CONFIG 0x10 // device configuration (TAPE)
#define VMK_SCSI_MS_PAGE_EXCEPT 0x1c // informal exception (ALL:SCSI-3)
#define VMK_SCSI_MS_PAGE_CDCAPS 0x2a // CD-ROM capabilities and mechanical status (CDROM)
// more defined...
#define VMK_SCSI_MS_PAGE_ALL 0x3f // all available pages (ALL)
/** \brief see above spc section */
pcf :2;
#define VMK_SCSI_MS_PCF_CURRENT 0x00 // current values
#define VMK_SCSI_MS_PCF_VOLATILE 0x01 // changeable values
#define VMK_SCSI_MS_PCF_DEFAULT 0x02 // default values
#define VMK_SCSI_MS_PCF_SAVED 0x03 // saved values
/** \brief see above spc section */
vmk_uint8 subpage;
/** \brief see above spc section */
vmk_uint8 length;
/** \brief see above spc section */
vmk_uint8 ctrl;
} vmk_ScsiModeSenseCmd;
/**
* \brief Format of READ_CAPACITY(10) response block.
* SBC 2 r16, section 5.10.1 table 34
*/
typedef struct {
/** \brief see above sbc section */
vmk_uint32 lbn;
/** \brief see above sbc section */
vmk_uint32 blocksize;
} vmk_ScsiReadCapacityResponse;
/*
* Format of REPORT TARGET PORT GROUPS request and response blocks.
*/
/**
* \brief target port group command for SCSI report
* SPC 3 r23, section 6.25 table 162
*/
typedef struct vmk_ScsiReportTargetPortGroupsCmd {
/** \brief see above spc section */
vmk_uint8 opcode;
/** \brief see above spc section */
vmk_uint8 svc:5,
#define VMK_SCSI_RTPGC_SVC 0xA
/** \brief see above spc section */
res1:3;
/** \brief see above spc section */
vmk_uint8 reserved1[4];
/** \brief see above spc section */
vmk_uint32 length;
/** \brief see above spc section */
vmk_uint8 reserved2;
/** \brief see above spc section */
vmk_uint8 ctrl;
} VMK_ATTRIBUTE_PACKED vmk_ScsiReportTargetPortGroupsCmd;
/**
* \brief target port group response for SCSI report
* SPC 3 r23, section 6.25 table 163
*/
typedef struct vmk_ScsiReportTargetPortGroupsResponse {
/** \brief see above spc section */
vmk_uint32 length;
} VMK_ATTRIBUTE_PACKED vmk_ScsiReportTargetPortGroupsResponse;
/**
* \brief target port group descriptor for SCSI report
* SPC 3 r23, section 6.25 table 164
*/
typedef struct vmk_ScsiReportTargetPortGroupDescriptor {
/** \brief see above spc section */
vmk_uint8 aas:4,
/** \brief see above spc section */
res1:3,
/** \brief see above spc section */
pref:1;
#define VMK_SCSI_TPGD_AAS_AO 0x00 //!< active/optimized
#define VMK_SCSI_TPGD_AAS_ANO 0x01 //!< active/nonoptomized
#define VMK_SCSI_TPGD_AAS_STBY 0x02 //!< standby
#define VMK_SCSI_TPGD_AAS_UNAVAIL 0x03 //!< unavailable
#define VMK_SCSI_TPGD_AAS_TRANS 0x0F //!< transitioning
/** \brief see above spc section */
vmk_uint8 aosup:1,
/** \brief see above spc section */
ansup:1,
/** \brief see above spc section */
ssup:1,
/** \brief see above spc section */
usup:1,
/** \brief see above spc section */
res2:3,
/** \brief see above spc section */
tsup:1;
/** \brief see above spc section */
vmk_uint16 targetPortGroup;
/** \brief see above spc section */
vmk_uint8 reserved1;
#define VMK_SCSI_TPGD_STAT_NONE 0x00 //!< no status available
#define VMK_SCSI_TPGD_STAT_EXP 0x01 //!< state altered by SET command
#define VMK_SCSI_TPGD_STAT_IMP 0x02 //!< state altered by implicit behavior
/** \brief see above spc section */
vmk_uint8 status;
/** \brief see above spc section */
vmk_uint8 vendorSpec;
/** \brief see above spc section */
vmk_uint8 targetPortCount;
} VMK_ATTRIBUTE_PACKED vmk_ScsiReportTargetPortGroupDescriptor;
/**
* \brief SCSI target port descriptor format
* SPC 3 r23, section 6.25 table 167
*/
typedef struct vmk_ScsiReportTargetPortDescriptor {
/** \brief see above spc section */
vmk_uint16 obsolete;
/** \brief see above spc section */
vmk_uint16 relativeTargetPortId;
} VMK_ATTRIBUTE_PACKED vmk_ScsiReportTargetPortDescriptor;
/**
* \brief set target port groups command
* SPC 3 r23, Section 6.31 table 178
*/
typedef struct vmk_ScsiSetTargetPortGroupsCmd{
/** \brief see above spc section */
vmk_uint8 opcode;
/** \brief see above spc section */
vmk_uint8 svc:5,
#define VMK_SCSI_STPGC_SVC 0xA
/** \brief see above spc section */
res1:3;
/** \brief see above spc section */
vmk_uint8 reserved1[4];
/** \brief see above spc section */
vmk_uint32 length;
/** \brief see above spc section */
vmk_uint8 reserved2;
/** \brief see above spc section */
vmk_uint8 ctrl;
} VMK_ATTRIBUTE_PACKED vmk_ScsiSetTargetPortGroupsCmd;
#define SCSI_STPG_PARAM_LIST_OFFSET 4
/**
* \brief set target port group descriptor
* SPC 3 r23, Section 6.31 table 180
*/
typedef struct vmk_ScsiSetTargetPortGroupDescriptor{
/** \brief see above spc section */
vmk_uint8 aas:4,
/** \brief see above spc section */
res1:4;
/** \brief see above spc section */
vmk_uint8 reserved1;
/** \brief see above spc section */
vmk_uint16 targetPortGroup;
} VMK_ATTRIBUTE_PACKED vmk_ScsiSetTargetPortGroupDescriptor;
/**
* \brief parameter header of module sense for SCSI
* SPC 3 r23, Section 7.4.3 table 239
*/
typedef struct vmk_Scsi4ByteModeSenseParameterHeader {
/** \brief see above spc section */
vmk_uint8 modeDataLength;
/** \brief see above spc section */
vmk_uint8 mediumType;
/** \brief see above spc section */
vmk_uint8 reserved1:4,
/** \brief see above spc section */
dpofua:1,
/** \brief see above spc section */
reserved2:2,
/** \brief see above spc section */
wp:1;
/** \brief see above spc section */
vmk_uint8 blockDescriptorLength;
} VMK_ATTRIBUTE_PACKED vmk_Scsi4ByteModeSenseParameterHeader;
/**
* \brief block descriptor for SCSI mode sense
* SPC 3 r23, Section 7.4.4.1 table 241
*/
typedef struct vmk_ScsiModeSenseBlockDescriptor {
/** \brief see above spc section */
vmk_uint8 densityCode;
/** \brief see above spc section */
vmk_uint8 numberOfBlocks[3];
/** \brief see above spc section */
vmk_uint8 reserved1;
/** \brief see above spc section */
vmk_uint8 blockLength[3];
} VMK_ATTRIBUTE_PACKED vmk_ScsiModeSenseBlockDescriptor;
/**
* \brief Format of READ/WRITE (6) request.
* SBC 2 r16, Section 5.5 table 26 & 5.24 table 61
*/
typedef struct vmk_ScsiReadWrite6Cmd {
/** \brief see above sbc section */
vmk_uint32 opcode:8,
/** \brief see above sbc section */
lun:3,
/** \brief see above sbc section */
lbn:21;
/** \brief see above sbc section */
vmk_uint8 length;
/** \brief see above sbc section */
vmk_uint8 control;
} VMK_ATTRIBUTE_PACKED vmk_ScsiReadWrite6Cmd;
/**
* \brief Format of READ/WRITE (10) request.
* SBC 2 r16, Section 5.6 table 28 & 5.25 table 62
*/
typedef struct vmk_ScsiReadWrite10Cmd {
/** \brief see above sbc section */
vmk_uint8 opcode;
/** \brief see above sbc section */
vmk_uint8 rel :1,
:2,
/** \brief see above sbc section */
flua :1,
/** \brief see above sbc section */
dpo :1,
/** \brief see above sbc section */
lun :3;
/** \brief see above sbc section */
vmk_uint32 lbn;
/** \brief see above sbc section */
vmk_uint8 reserved;
/** \brief see above sbc section */
vmk_uint16 length;
/** \brief see above sbc section */
vmk_uint8 control;
} VMK_ATTRIBUTE_PACKED vmk_ScsiReadWrite10Cmd;
/**
* \brief Format of READ/WRITE (12) request.
* SBC 2 r16, Section 5.7 table 31 & 5.26 table 65
*/
typedef struct vmk_ScsiReadWrite12Cmd {
/** \brief see above sbc section */
vmk_uint8 opcode;
/** \brief see above sbc section */
vmk_uint8 rel :1,
:2,
/** \brief see above sbc section */
flua :1,
/** \brief see above sbc section */
dpo :1,
/** \brief see above sbc section */
lun :3;
/** \brief see above sbc section */
vmk_uint32 lbn;
/** \brief see above sbc section */
vmk_uint32 length;
/** \brief see above sbc section */
vmk_uint8 reserved;
/** \brief see above sbc section */
vmk_uint8 control;
} VMK_ATTRIBUTE_PACKED vmk_ScsiReadWrite12Cmd;
/**
* \brief Format of READ/WRITE (16) request.
* SBC 2 r16, Section 5.8 table 32 & 5.27 table 66
*/
typedef struct vmk_ScsiReadWrite16Cmd {
/** \brief see above sbc section */
vmk_uint8 opcode;
/** \brief see above sbc section */
vmk_uint8 rel :1,
:2,
/** \brief see above sbc section */
flua :1,
/** \brief see above sbc section */
dpo :1,
:3;
/** \brief see above sbc section */
vmk_uint64 lbn;
/** \brief see above sbc section */
vmk_uint32 length;
/** \brief see above sbc section */
vmk_uint8 reserved;
/** \brief see above sbc section */
vmk_uint8 control;
} VMK_ATTRIBUTE_PACKED vmk_ScsiReadWrite16Cmd;
/**
* \brief Scsi page types for inquiry data
*/
typedef enum {
VMK_SCSI_INQ_TYPE_STD = 1,
VMK_SCSI_INQ_TYPE_EVPD80 = 2,
VMK_SCSI_INQ_TYPE_EVPD83 = 3,
VMK_SCSI_INQ_TYPE_EVPD86 = 4,
} vmk_ScsiInqType;
/**
* \brief Persistent Reserve Out Command
* SPC 3 r23, Section 6.12.1 (Table 112)
*/
typedef struct vmk_ScsiPersistentReserveOutCmd {
/** \brief see above spc section */
vmk_uint8 opcode;
/** \brief see above spc section */
vmk_uint8 serviceAction :5,
/** \brief see above spc section */
reserved :3;
/** \brief see above spc section */
vmk_uint8 type :4,
/** \brief see above spc section */
scope :4;
/** \brief see above spc section */
vmk_uint8 reserved1[2];
/** \brief see above spc section */
vmk_uint32 parameterListLength;
/** \brief see above spc section */
vmk_uint8 control;
} VMK_ATTRIBUTE_PACKED vmk_ScsiPersistentReserveOutCmd;
/**
* \brief Persistent Reserve Out parameter List.
* SPC 3 r23, Section 6.12.3 (Table 114)
*/
typedef struct vmk_ScsiPersistentReserveOutPList {
/** \brief see above spc section */
vmk_uint64 reservationKey;
/** \brief see above spc section */
vmk_uint64 serviceActionResKey;
/** \brief see above spc section */
vmk_uint8 obsolete1[4];
/** \brief see above spc section */
vmk_uint8 aptpl :1,
/** \brief see above spc section */
reserved1 :1,
/** \brief see above spc section */
all_tg_pt :1,
/** \brief see above spc section */
spec_i_pt :1,
/** \brief see above spc section */
reserved2 :4;
/** \brief see above spc section */
vmk_uint8 reserved3;
/** \brief see above spc section */
vmk_uint8 obsolete2[2];
} VMK_ATTRIBUTE_PACKED vmk_ScsiPersistentReserveOutPList;
/**
* \brief Persistent Reserve In Command
* SPC 3 r23, Section 6.11.1 (Table 101)
*/
typedef struct vmk_ScsiPersistentReserveInCmd {
/** \brief see above spc section */
vmk_uint8 opcode;
/** \brief see above spc section */
vmk_uint8 serviceAction :5,
/** \brief see above spc section */
reserved :3;
/** \brief see above spc section */
vmk_uint8 reserved1[5];
/** \brief see above spc section */
vmk_uint16 allocationLength;
/** \brief see above spc section */
vmk_uint8 control;
} VMK_ATTRIBUTE_PACKED vmk_ScsiPersistentReserveInCmd;
/**
* \brief Persistent read reservation response
* SPC 3 r23, Section 6.11.3.4 (Table 105)
*/
typedef struct vmk_ScsiReadReservationResp {
/** \brief see above spc section */
vmk_uint32 prGeneration;
/** \brief see above spc section */
vmk_uint32 additionalLength;
/** \brief see above spc section */
vmk_uint64 reservationKey;
/** \brief see above spc section */
vmk_uint8 obsolete[4];
/** \brief see above spc section */
vmk_uint8 reserved;
/** \brief see above spc section */
vmk_uint8 type :4,
/** \brief see above spc section */
scope :4;
/** \brief see above spc section */
vmk_uint8 obsolete1[2];
} VMK_ATTRIBUTE_PACKED vmk_ScsiReadReservationResp;
/**
* \brief Extended copy (XCOPY) command
* SPC 3 r23, Section 6.3.1 table 50
*/
typedef struct vmk_ScsiExtendedCopyCmd {
/** \brief see above spc section */
vmk_uint8 opcode;
/** \brief see above spc section */
vmk_uint8 reserved1[9];
/** \brief see above spc section */
vmk_uint32 parameterListLength;
/** \brief see above spc section */
vmk_uint8 reserved2;
/** \brief see above spc section */
vmk_uint8 control;
} __attribute__ ((packed)) vmk_ScsiExtendedCopyCmd;
/**
* \brief Extended copy parameter list header
* SPC 3 r23, Section 6.3.1 table 51
*/
typedef struct vmk_ScsiExtendedCopyParamListHeader {
/** \brief see above spc section */
vmk_uint8 listID;
/** \brief see above spc section */
vmk_uint8 priority:3,
/** \brief see above spc section */
reserved1:1,
/** \brief see above spc section */
NRCR:1,
/** \brief see above spc section */
STR:1,
/** \brief see above spc section */
reserved2:2;
/** \brief see above spc section */
vmk_uint16 targetDescriptorListLength;
/** \brief see above spc section */
vmk_uint8 reserved3[4];
/** \brief see above spc section */
vmk_uint32 segmentDescriptorListLength;
/** \brief see above spc section */
vmk_uint32 inlineDataLength;
} __attribute__ ((packed,aligned(1))) vmk_ScsiExtendedCopyParamListHeader;
/**
* \brief Identification descriptor target
* descriptor for the extended copy command
* SPC 3 r23, Section 6.3.6.2 table 56
*/
typedef struct vmk_ScsiIdDescriptorTargetDescriptor {
/** \brief see above spc section */
vmk_uint8 descTypeCode;
/** \brief see above spc section */
vmk_uint8 peripheralDeviceType:5,
/** \brief see above spc section */
nul:1,
/** \brief see above spc section */
luIdType:2;
/** \brief see above spc section */
vmk_uint16 relativeInitiatorPortId;
/** \brief see above spc section */
vmk_uint8 codeSet :4,
/** \brief see above spc section */
reserved1 :4;
/** \brief see above spc section */
vmk_uint8 idType :4,
/** \brief see above spc section */
association :2,
/** \brief see above spc section */
reserved2 :2;
/** \brief see above spc section */
vmk_uint8 reserved3;
/** \brief see above spc section */
vmk_uint8 idLen;
/** \brief see above spc section */
vmk_uint8 varLenId[20];
/** \brief see above spc section */
vmk_uint8 devTypeSpecParams[4];
} __attribute__ ((packed,aligned(1))) vmk_ScsiIdDescriptorTargetDescriptor;
/**
* \brief Device type specific target descriptor parameters for block
* device types, for the extended copy command
* SPC 3 r23, Section 6.3.6.4 table 58
*/
typedef struct vmk_ScsiBlockDeviceSpecTargetDescParams {
/** \brief see above spc section */
vmk_uint8 reserved1:2;
/** \brief see above spc section */
vmk_uint8 PAD:1;
/** \brief see above spc section */
vmk_uint8 reserved2:5;
/** \brief see above spc section */
vmk_uint8 blockSize[3];
} __attribute__ ((packed,aligned(1))) vmk_ScsiBlockDeviceSpecTargetDescParams;
/**
* \brief Block device to block device segment descriptor
* for the extended copy command
* SPC 3 r23, Section 6.3.7.5 table 66
*/
typedef struct vmk_ScsiBlockToBlockSegmentDescriptor {
/** \brief see above spc section */
vmk_uint8 descriptorTypeCode;
/** \brief see above spc section */
vmk_uint8 CAT:1,
/** \brief see above spc section */
DC:1,
/** \brief see above spc section */
reserved1:6;
/** \brief see above spc section */
vmk_uint16 descriptorLength;
/** \brief see above spc section */
vmk_uint16 srcTargetDescriptorIndex;
/** \brief see above spc section */
vmk_uint16 dstTargetDescriptorIndex;
/** \brief see above spc section */
vmk_uint8 reserved2[2];
/** \brief see above spc section */
vmk_uint16 numBlocks;
/** \brief see above spc section */
vmk_uint64 srcLBA;
/** \brief see above spc section */
vmk_uint64 dstLBA;
} __attribute__ ((packed,aligned(1))) vmk_ScsiBlockToBlockSegmentDescriptor;
/**
* \brief Format of REQUEST SENSE block.
* SPC 3 r23, Section 6.27 table 170
*/
typedef struct vmk_ScsiRequestSenseCommand {
/** \brief Operation Code (03h) */
vmk_uint8 opcode;
/** \brief DESC */
vmk_uint8 desc:1,
/** \brief Reserved */
resv1:4,
/** \brief Reserved in SPC3R23, and ignored */
lun:3;
/** \brief Reserved */
vmk_uint8 resv2;
/** \brief Reserved */
vmk_uint8 resv3;
/** \brief Allocation Length */
vmk_uint8 len;
/** \brief Control */
vmk_uint8 control;
} VMK_ATTRIBUTE_PACKED vmk_ScsiRequestSenseCommand;
/**
* \brief Format of MODE SELECT block.
* SPC 3 r23, Section 6.7 table 94
*/
typedef struct vmk_ScsiModeSelectCommand {
/** \brief Operation Code (15h) */
vmk_uint8 opcode;
/** \brief Save Pages */
vmk_uint8 sp:1,
/** \brief Reserved */
resv11:3,
/** \brief Page Format */
pf:1,
/** \brief Actually, reserved */
lun:3;
/** \brief Reserved */
vmk_uint8 resv2;
/** \brief Reserved */
vmk_uint8 resv3;
/** \brief Allocation Length */
vmk_uint8 len;
/** \brief Control */
vmk_uint8 control;
} VMK_ATTRIBUTE_PACKED vmk_ScsiModeSelectCommand;
/**
* \brief Format of REPORT LUNS block.
* SPC 3 r23, Section 6.21 table 147
*/
typedef struct vmk_ScsiReportLunsCommand {
/** \brief Operation Code (A0h) */
vmk_uint8 opcode;
/** \brief Reserved */
vmk_uint8 resv1;
/** \brief SELECT REPORT */
vmk_uint8 selectReport;
/** \brief Reserved */
vmk_uint8 resv2;
/** \brief Reserved */
vmk_uint8 resv3;
/** \brief Reserved */
vmk_uint8 resv4;
/** \brief Allocation Length */
vmk_uint32 len;
/** \brief Reserved */
vmk_uint8 resv5;
/** \brief Control */
vmk_uint8 control;
} VMK_ATTRIBUTE_PACKED vmk_ScsiReportLunsCommand;
/**
* \brief Format of READ CAPACITY 10 byte block.
* SBC 3 r18, Section 5.12.1 table 45
*/
typedef struct vmk_ScsiReadCap10Command {
/** \brief Operation Code (25h) */
vmk_uint8 opcode;
/** \brief Obsolete */
vmk_uint8 obs:1,
resv1:7;
/** \brief Logical Block Address */
vmk_uint32 lba;
vmk_uint8 resv2;
vmk_uint8 resv3;
/** \brief PMI */
vmk_uint8 pmi:1,
resv4:7;
/** \brief Control */
vmk_uint8 control;
} VMK_ATTRIBUTE_PACKED vmk_ScsiReadCap10Command;
/**
* \brief Format of READ CAPACITY 16 byte block.
* SBC 3 r18, Section 5.13.1 table 47
*/
typedef struct vmk_ScsiReadCap16Command {
/** \brief Operation Code (9eh) */
vmk_uint8 opcode;
/** \brief Service Action (10h) */
vmk_uint8 sa:5,
resv1:3;
/** \brief Logical Block Address */
vmk_uint64 lba;
/** \brief Allocation Length */
vmk_uint32 len;
vmk_uint8 pmi:1,
resv2:7;
/** \brief Control */
vmk_uint8 control;
} VMK_ATTRIBUTE_PACKED vmk_ScsiReadCap16Command;
/**
* \brief Format of READ BUFFER block.
* SPC 3 r23, Section 6.15 table 126
*/
typedef struct vmk_ScsiReadBufferCommand {
/** \brief Operation Code (3Ch) */
vmk_uint8 opcode;
/** \brief Mode */
vmk_uint8 mode:5,
/** \brief Reserved */
resv1:3;
/** \brief BUFFER ID */
vmk_uint8 bufferId;
/** \brief BUFFER OFFSET - MSB */
vmk_uint8 msbbo;
/** \brief BUFFER OFFSET - MID */
vmk_uint8 midbo;
/** \brief BUFFER OFFSET - LSB */
vmk_uint8 lsbbo;
/** \brief Allocation Length MSB */
vmk_uint8 msblen;
/** \brief Allocation Length MID */
vmk_uint8 midlen;
/** \brief Allocation Length LSB */
vmk_uint8 lsblen;
/** \brief Control */
vmk_uint8 control;
} VMK_ATTRIBUTE_PACKED vmk_ScsiReadBufferCommand;
/**
* \brief WRITE LONG (16) Command
* SBC 2 r16, Secion 5.34 table 73
*/
typedef struct vmk_ScsiWriteLong16 {
/** \brief Operation Code (9fh) */
vmk_uint8 opcode;
/** \brief service action (11h) */
vmk_uint8 serviceAction :5,
/** \brief reserved */
reserved1 :3;
/** \brief see above sbc section */
vmk_uint64 lba;
/** \brief see above sbc section */
vmk_uint8 reserved2[2];
/** \brief see above sbc section */
vmk_uint16 transferLength;
/** \brief see above sbc section */
vmk_uint8 corrct : 1,
reserved3 : 7;
/** \brief see above sbc section */
vmk_uint8 control;
} VMK_ATTRIBUTE_PACKED vmk_ScsiWriteLong16;
#endif /* _VMKAPI_SCSI_TYPES_H_ */
/** @} */
/** @} */
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