mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
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187 lines
6.3 KiB
C
187 lines
6.3 KiB
C
/** @file
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VMware PVSCSI Device specific type and macro definitions.
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Copyright (C) 2020, Oracle and/or its affiliates.
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __PVSCSI_H_
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#define __PVSCSI_H_
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//
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// Device offsets and constants
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//
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#define PCI_VENDOR_ID_VMWARE (0x15ad)
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#define PCI_DEVICE_ID_VMWARE_PVSCSI (0x07c0)
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//
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// CDB (Command Descriptor Block) with size above this constant
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// should be considered out-of-band
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//
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#define PVSCSI_CDB_MAX_SIZE (16)
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typedef enum {
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PvScsiRegOffsetCommand = 0x0,
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PvScsiRegOffsetCommandData = 0x4,
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PvScsiRegOffsetCommandStatus = 0x8,
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PvScsiRegOffsetLastSts0 = 0x100,
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PvScsiRegOffsetLastSts1 = 0x104,
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PvScsiRegOffsetLastSts2 = 0x108,
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PvScsiRegOffsetLastSts3 = 0x10c,
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PvScsiRegOffsetIntrStatus = 0x100c,
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PvScsiRegOffsetIntrMask = 0x2010,
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PvScsiRegOffsetKickNonRwIo = 0x3014,
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PvScsiRegOffsetDebug = 0x3018,
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PvScsiRegOffsetKickRwIo = 0x4018,
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} PVSCSI_BAR0_OFFSETS;
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//
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// Define Interrupt-Status register flags
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//
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#define PVSCSI_INTR_CMPL_0 BIT0
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#define PVSCSI_INTR_CMPL_1 BIT1
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#define PVSCSI_INTR_CMPL_MASK (PVSCSI_INTR_CMPL_0 | PVSCSI_INTR_CMPL_1)
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typedef enum {
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PvScsiCmdFirst = 0,
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PvScsiCmdAdapterReset = 1,
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PvScsiCmdIssueScsi = 2,
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PvScsiCmdSetupRings = 3,
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PvScsiCmdResetBus = 4,
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PvScsiCmdResetDevice = 5,
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PvScsiCmdAbortCmd = 6,
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PvScsiCmdConfig = 7,
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PvScsiCmdSetupMsgRing = 8,
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PvScsiCmdDeviceUnplug = 9,
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PvScsiCmdLast = 10
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} PVSCSI_COMMANDS;
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#define PVSCSI_SETUP_RINGS_MAX_NUM_PAGES (32)
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#pragma pack (1)
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typedef struct {
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UINT32 ReqRingNumPages;
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UINT32 CmpRingNumPages;
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UINT64 RingsStatePPN;
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UINT64 ReqRingPPNs[PVSCSI_SETUP_RINGS_MAX_NUM_PAGES];
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UINT64 CmpRingPPNs[PVSCSI_SETUP_RINGS_MAX_NUM_PAGES];
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} PVSCSI_CMD_DESC_SETUP_RINGS;
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#pragma pack ()
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#define PVSCSI_MAX_CMD_DATA_WORDS \
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(sizeof (PVSCSI_CMD_DESC_SETUP_RINGS) / sizeof (UINT32))
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#pragma pack (1)
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typedef struct {
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UINT32 ReqProdIdx;
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UINT32 ReqConsIdx;
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UINT32 ReqNumEntriesLog2;
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UINT32 CmpProdIdx;
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UINT32 CmpConsIdx;
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UINT32 CmpNumEntriesLog2;
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UINT8 Pad[104];
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UINT32 MsgProdIdx;
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UINT32 MsgConsIdx;
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UINT32 MsgNumEntriesLog2;
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} PVSCSI_RINGS_STATE;
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#pragma pack ()
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//
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// Define PVSCSI request descriptor tags
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//
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#define PVSCSI_SIMPLE_QUEUE_TAG (0x20)
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//
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// Define PVSCSI request descriptor flags
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//
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#define PVSCSI_FLAG_CMD_WITH_SG_LIST BIT0
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#define PVSCSI_FLAG_CMD_OUT_OF_BAND_CDB BIT1
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#define PVSCSI_FLAG_CMD_DIR_NONE BIT2
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#define PVSCSI_FLAG_CMD_DIR_TOHOST BIT3
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#define PVSCSI_FLAG_CMD_DIR_TODEVICE BIT4
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#pragma pack (1)
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typedef struct {
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UINT64 Context;
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UINT64 DataAddr;
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UINT64 DataLen;
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UINT64 SenseAddr;
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UINT32 SenseLen;
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UINT32 Flags;
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UINT8 Cdb[16];
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UINT8 CdbLen;
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UINT8 Lun[8];
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UINT8 Tag;
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UINT8 Bus;
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UINT8 Target;
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UINT8 VcpuHint;
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UINT8 Unused[59];
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} PVSCSI_RING_REQ_DESC;
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#pragma pack ()
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//
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// Host adapter status/error codes
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//
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typedef enum {
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PvScsiBtStatSuccess = 0x00, // CCB complete normally with no errors
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PvScsiBtStatLinkedCommandCompleted = 0x0a,
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PvScsiBtStatLinkedCommandCompletedWithFlag = 0x0b,
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PvScsiBtStatDataUnderrun = 0x0c,
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PvScsiBtStatSelTimeout = 0x11, // SCSI selection timeout
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PvScsiBtStatDatarun = 0x12, // Data overrun/underrun
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PvScsiBtStatBusFree = 0x13, // Unexpected bus free
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PvScsiBtStatInvPhase = 0x14, //
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// Invalid bus phase or sequence requested
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// by target
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//
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PvScsiBtStatLunMismatch = 0x17, //
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// Linked CCB has different LUN from first
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// CCB
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//
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PvScsiBtStatSensFailed = 0x1b, // Auto request sense failed
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PvScsiBtStatTagReject = 0x1c, //
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// SCSI II tagged queueing message rejected
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// by target
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//
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PvScsiBtStatBadMsg = 0x1d, //
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// Unsupported message received by the host
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// adapter
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//
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PvScsiBtStatHaHardware = 0x20, // Host adapter hardware failed
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PvScsiBtStatNoResponse = 0x21, //
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// Target did not respond to SCSI ATN sent
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// a SCSI RST
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//
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PvScsiBtStatSentRst = 0x22, // Host adapter asserted a SCSI RST
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PvScsiBtStatRecvRst = 0x23, // Other SCSI devices asserted a SCSI RST
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PvScsiBtStatDisconnect = 0x24, //
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// Target device reconnected improperly
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// (w/o tag)
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//
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PvScsiBtStatBusReset = 0x25, // Host adapter issued BUS device reset
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PvScsiBtStatAbortQueue = 0x26, // Abort queue generated
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PvScsiBtStatHaSoftware = 0x27, // Host adapter software error
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PvScsiBtStatHaTimeout = 0x30, // Host adapter hardware timeout error
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PvScsiBtStatScsiParity = 0x34, // SCSI parity error detected
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} PVSCSI_HOST_BUS_ADAPTER_STATUS;
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#pragma pack (1)
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typedef struct {
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UINT64 Context;
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UINT64 DataLen;
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UINT32 SenseLen;
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UINT16 HostStatus;
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UINT16 ScsiStatus;
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UINT32 Pad[2];
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} PVSCSI_RING_CMP_DESC;
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#pragma pack ()
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#endif // __PVSCSI_H_
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