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| author | Liran Alon <liran.alon@oracle.com> | 2020-03-28 23:00:54 +0300 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2020-03-30 16:45:07 +0000 |
| commit | 447e5d39025a80ad2810559ccda43cdc73c12b16 (patch) | |
| tree | 1b6f971e04e9b4262b86dc727f0350533bd6277e /OvmfPkg | |
| parent | 6672b3cff2e164093ebc120ef8304472b9a7d23f (diff) | |
| download | edk2-447e5d39025a80ad2810559ccda43cdc73c12b16.zip edk2-447e5d39025a80ad2810559ccda43cdc73c12b16.tar.gz edk2-447e5d39025a80ad2810559ccda43cdc73c12b16.tar.bz2 | |
OvmfPkg/PvScsiDxe: Define device interface structures and constants
These definitions will be used by the following commits to complete the
implementation of PVSCSI device driver.
Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=2567
Acked-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Liran Alon <liran.alon@oracle.com>
Message-Id: <20200328200100.60786-12-liran.alon@oracle.com>
Reviewed-by: Nikita Leshenko <nikita.leshchenko@oracle.com>
Diffstat (limited to 'OvmfPkg')
| -rw-r--r-- | OvmfPkg/Include/IndustryStandard/PvScsi.h | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/OvmfPkg/Include/IndustryStandard/PvScsi.h b/OvmfPkg/Include/IndustryStandard/PvScsi.h index 004c0af..a4d6634 100644 --- a/OvmfPkg/Include/IndustryStandard/PvScsi.h +++ b/OvmfPkg/Include/IndustryStandard/PvScsi.h @@ -18,4 +18,169 @@ #define PCI_VENDOR_ID_VMWARE (0x15ad)
#define PCI_DEVICE_ID_VMWARE_PVSCSI (0x07c0)
+//
+// CDB (Command Descriptor Block) with size above this constant
+// should be considered out-of-band
+//
+#define PVSCSI_CDB_MAX_SIZE (16)
+
+typedef enum {
+ PvScsiRegOffsetCommand = 0x0,
+ PvScsiRegOffsetCommandData = 0x4,
+ PvScsiRegOffsetCommandStatus = 0x8,
+ PvScsiRegOffsetLastSts0 = 0x100,
+ PvScsiRegOffsetLastSts1 = 0x104,
+ PvScsiRegOffsetLastSts2 = 0x108,
+ PvScsiRegOffsetLastSts3 = 0x10c,
+ PvScsiRegOffsetIntrStatus = 0x100c,
+ PvScsiRegOffsetIntrMask = 0x2010,
+ PvScsiRegOffsetKickNonRwIo = 0x3014,
+ PvScsiRegOffsetDebug = 0x3018,
+ PvScsiRegOffsetKickRwIo = 0x4018,
+} PVSCSI_BAR0_OFFSETS;
+
+//
+// Define Interrupt-Status register flags
+//
+#define PVSCSI_INTR_CMPL_0 BIT0
+#define PVSCSI_INTR_CMPL_1 BIT1
+#define PVSCSI_INTR_CMPL_MASK (PVSCSI_INTR_CMPL_0 | PVSCSI_INTR_CMPL_1)
+
+typedef enum {
+ PvScsiCmdFirst = 0,
+ PvScsiCmdAdapterReset = 1,
+ PvScsiCmdIssueScsi = 2,
+ PvScsiCmdSetupRings = 3,
+ PvScsiCmdResetBus = 4,
+ PvScsiCmdResetDevice = 5,
+ PvScsiCmdAbortCmd = 6,
+ PvScsiCmdConfig = 7,
+ PvScsiCmdSetupMsgRing = 8,
+ PvScsiCmdDeviceUnplug = 9,
+ PvScsiCmdLast = 10
+} PVSCSI_COMMANDS;
+
+#define PVSCSI_SETUP_RINGS_MAX_NUM_PAGES (32)
+
+#pragma pack (1)
+typedef struct {
+ UINT32 ReqRingNumPages;
+ UINT32 CmpRingNumPages;
+ UINT64 RingsStatePPN;
+ UINT64 ReqRingPPNs[PVSCSI_SETUP_RINGS_MAX_NUM_PAGES];
+ UINT64 CmpRingPPNs[PVSCSI_SETUP_RINGS_MAX_NUM_PAGES];
+} PVSCSI_CMD_DESC_SETUP_RINGS;
+#pragma pack ()
+
+#define PVSCSI_MAX_CMD_DATA_WORDS \
+ (sizeof (PVSCSI_CMD_DESC_SETUP_RINGS) / sizeof (UINT32))
+
+#pragma pack (1)
+typedef struct {
+ UINT32 ReqProdIdx;
+ UINT32 ReqConsIdx;
+ UINT32 ReqNumEntriesLog2;
+
+ UINT32 CmpProdIdx;
+ UINT32 CmpConsIdx;
+ UINT32 CmpNumEntriesLog2;
+
+ UINT8 Pad[104];
+
+ UINT32 MsgProdIdx;
+ UINT32 MsgConsIdx;
+ UINT32 MsgNumEntriesLog2;
+} PVSCSI_RINGS_STATE;
+#pragma pack ()
+
+//
+// Define PVSCSI request descriptor tags
+//
+#define PVSCSI_SIMPLE_QUEUE_TAG (0x20)
+
+//
+// Define PVSCSI request descriptor flags
+//
+#define PVSCSI_FLAG_CMD_WITH_SG_LIST BIT0
+#define PVSCSI_FLAG_CMD_OUT_OF_BAND_CDB BIT1
+#define PVSCSI_FLAG_CMD_DIR_NONE BIT2
+#define PVSCSI_FLAG_CMD_DIR_TOHOST BIT3
+#define PVSCSI_FLAG_CMD_DIR_TODEVICE BIT4
+
+#pragma pack (1)
+typedef struct {
+ UINT64 Context;
+ UINT64 DataAddr;
+ UINT64 DataLen;
+ UINT64 SenseAddr;
+ UINT32 SenseLen;
+ UINT32 Flags;
+ UINT8 Cdb[16];
+ UINT8 CdbLen;
+ UINT8 Lun[8];
+ UINT8 Tag;
+ UINT8 Bus;
+ UINT8 Target;
+ UINT8 VcpuHint;
+ UINT8 Unused[59];
+} PVSCSI_RING_REQ_DESC;
+#pragma pack ()
+
+//
+// Host adapter status/error codes
+//
+typedef enum {
+ PvScsiBtStatSuccess = 0x00, // CCB complete normally with no errors
+ PvScsiBtStatLinkedCommandCompleted = 0x0a,
+ PvScsiBtStatLinkedCommandCompletedWithFlag = 0x0b,
+ PvScsiBtStatDataUnderrun = 0x0c,
+ PvScsiBtStatSelTimeout = 0x11, // SCSI selection timeout
+ PvScsiBtStatDatarun = 0x12, // Data overrun/underrun
+ PvScsiBtStatBusFree = 0x13, // Unexpected bus free
+ PvScsiBtStatInvPhase = 0x14, //
+ // Invalid bus phase or sequence requested
+ // by target
+ //
+ PvScsiBtStatLunMismatch = 0x17, //
+ // Linked CCB has different LUN from first
+ // CCB
+ //
+ PvScsiBtStatSensFailed = 0x1b, // Auto request sense failed
+ PvScsiBtStatTagReject = 0x1c, //
+ // SCSI II tagged queueing message rejected
+ // by target
+ //
+ PvScsiBtStatBadMsg = 0x1d, //
+ // Unsupported message received by the host
+ // adapter
+ //
+ PvScsiBtStatHaHardware = 0x20, // Host adapter hardware failed
+ PvScsiBtStatNoResponse = 0x21, //
+ // Target did not respond to SCSI ATN sent
+ // a SCSI RST
+ //
+ PvScsiBtStatSentRst = 0x22, // Host adapter asserted a SCSI RST
+ PvScsiBtStatRecvRst = 0x23, // Other SCSI devices asserted a SCSI RST
+ PvScsiBtStatDisconnect = 0x24, //
+ // Target device reconnected improperly
+ // (w/o tag)
+ //
+ PvScsiBtStatBusReset = 0x25, // Host adapter issued BUS device reset
+ PvScsiBtStatAbortQueue = 0x26, // Abort queue generated
+ PvScsiBtStatHaSoftware = 0x27, // Host adapter software error
+ PvScsiBtStatHaTimeout = 0x30, // Host adapter hardware timeout error
+ PvScsiBtStatScsiParity = 0x34, // SCSI parity error detected
+} PVSCSI_HOST_BUS_ADAPTER_STATUS;
+
+#pragma pack (1)
+typedef struct {
+ UINT64 Context;
+ UINT64 DataLen;
+ UINT32 SenseLen;
+ UINT16 HostStatus;
+ UINT16 ScsiStatus;
+ UINT32 Pad[2];
+} PVSCSI_RING_CMP_DESC;
+#pragma pack ()
+
#endif // __PVSCSI_H_
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