pci_regs.h

xen虚拟机源代码安装包

#define  PCI_AGP_COMMAND_RATE1	0x0001	/* Use 1x rate */
#define PCI_AGP_SIZEOF		12

/* Vital Product Data */

#define PCI_VPD_ADDR		2	/* Address to access (15 bits!) */
#define  PCI_VPD_ADDR_MASK	0x7fff	/* Address mask */
#define  PCI_VPD_ADDR_F		0x8000	/* Write 0, 1 indicates completion */
#define PCI_VPD_DATA		4	/* 32-bits of data returned here */

/* Slot Identification */

#define PCI_SID_ESR		2	/* Expansion Slot Register */
#define  PCI_SID_ESR_NSLOTS	0x1f	/* Number of expansion slots available */
#define  PCI_SID_ESR_FIC	0x20	/* First In Chassis Flag */
#define PCI_SID_CHASSIS_NR	3	/* Chassis Number */

/* Message Signalled Interrupts registers */

#define PCI_MSI_FLAGS		2	/* Various flags */
#define  PCI_MSI_FLAGS_64BIT	0x80	/* 64-bit addresses allowed */
#define  PCI_MSI_FLAGS_QSIZE	0x70	/* Message queue size configured */
#define  PCI_MSI_FLAGS_QMASK	0x0e	/* Maximum queue size available */
#define  PCI_MSI_FLAGS_ENABLE	0x01	/* MSI feature enabled */
#define  PCI_MSI_FLAGS_MASKBIT	0x100	/* 64-bit mask bits allowed */
#define PCI_MSI_RFU		3	/* Rest of capability flags */
#define PCI_MSI_ADDRESS_LO	4	/* Lower 32 bits */
#define PCI_MSI_ADDRESS_HI	8	/* Upper 32 bits (if PCI_MSI_FLAGS_64BIT set) */
#define PCI_MSI_DATA_32		8	/* 16 bits of data for 32-bit devices */
#define PCI_MSI_DATA_64		12	/* 16 bits of data for 64-bit devices */
#define PCI_MSI_MASK_BIT	16	/* Mask bits register */

/* MSI-X registers (these are at offset PCI_MSIX_FLAGS) */
#define PCI_MSIX_FLAGS		2
#define  PCI_MSIX_FLAGS_QSIZE	0x7FF
#define  PCI_MSIX_FLAGS_ENABLE	(1 << 15)
#define  PCI_MSIX_FLAGS_MASKALL	(1 << 14)
#define PCI_MSIX_FLAGS_BIRMASK	(7 << 0)
#define PCI_MSIX_FLAGS_BITMASK	(1 << 0)

/* CompactPCI Hotswap Register */

#define PCI_CHSWP_CSR		2	/* Control and Status Register */
#define  PCI_CHSWP_DHA		0x01	/* Device Hiding Arm */
#define  PCI_CHSWP_EIM		0x02	/* ENUM# Signal Mask */
#define  PCI_CHSWP_PIE		0x04	/* Pending Insert or Extract */
#define  PCI_CHSWP_LOO		0x08	/* LED On / Off */
#define  PCI_CHSWP_PI		0x30	/* Programming Interface */
#define  PCI_CHSWP_EXT		0x40	/* ENUM# status - extraction */
#define  PCI_CHSWP_INS		0x80	/* ENUM# status - insertion */

/* PCI-X registers */

#define PCI_X_CMD		2	/* Modes & Features */
#define  PCI_X_CMD_DPERR_E	0x0001	/* Data Parity Error Recovery Enable */
#define  PCI_X_CMD_ERO		0x0002	/* Enable Relaxed Ordering */
#define  PCI_X_CMD_READ_512	0x0000	/* 512 byte maximum read byte count */
#define  PCI_X_CMD_READ_1K	0x0004	/* 1Kbyte maximum read byte count */
#define  PCI_X_CMD_READ_2K	0x0008	/* 2Kbyte maximum read byte count */
#define  PCI_X_CMD_READ_4K	0x000c	/* 4Kbyte maximum read byte count */
#define  PCI_X_CMD_MAX_READ	0x000c	/* Max Memory Read Byte Count */
				/* Max # of outstanding split transactions */
#define  PCI_X_CMD_SPLIT_1	0x0000	/* Max 1 */
#define  PCI_X_CMD_SPLIT_2	0x0010	/* Max 2 */
#define  PCI_X_CMD_SPLIT_3	0x0020	/* Max 3 */
#define  PCI_X_CMD_SPLIT_4	0x0030	/* Max 4 */
#define  PCI_X_CMD_SPLIT_8	0x0040	/* Max 8 */
#define  PCI_X_CMD_SPLIT_12	0x0050	/* Max 12 */
#define  PCI_X_CMD_SPLIT_16	0x0060	/* Max 16 */
#define  PCI_X_CMD_SPLIT_32	0x0070	/* Max 32 */
#define  PCI_X_CMD_MAX_SPLIT	0x0070	/* Max Outstanding Split Transactions */
#define  PCI_X_CMD_VERSION(x) 	(((x) >> 12) & 3) /* Version */
#define PCI_X_STATUS		4	/* PCI-X capabilities */
#define  PCI_X_STATUS_DEVFN	0x000000ff	/* A copy of devfn */
#define  PCI_X_STATUS_BUS	0x0000ff00	/* A copy of bus nr */
#define  PCI_X_STATUS_64BIT	0x00010000	/* 64-bit device */
#define  PCI_X_STATUS_133MHZ	0x00020000	/* 133 MHz capable */
#define  PCI_X_STATUS_SPL_DISC	0x00040000	/* Split Completion Discarded */
#define  PCI_X_STATUS_UNX_SPL	0x00080000	/* Unexpected Split Completion */
#define  PCI_X_STATUS_COMPLEX	0x00100000	/* Device Complexity */
#define  PCI_X_STATUS_MAX_READ	0x00600000	/* Designed Max Memory Read Count */
#define  PCI_X_STATUS_MAX_SPLIT	0x03800000	/* Designed Max Outstanding Split Transactions */
#define  PCI_X_STATUS_MAX_CUM	0x1c000000	/* Designed Max Cumulative Read Size */
#define  PCI_X_STATUS_SPL_ERR	0x20000000	/* Rcvd Split Completion Error Msg */
#define  PCI_X_STATUS_266MHZ	0x40000000	/* 266 MHz capable */
#define  PCI_X_STATUS_533MHZ	0x80000000	/* 533 MHz capable */

/* PCI Express capability registers */

#define PCI_EXP_FLAGS		2	/* Capabilities register */
#define PCI_EXP_FLAGS_VERS	0x000f	/* Capability version */
#define PCI_EXP_FLAGS_TYPE	0x00f0	/* Device/Port type */
#define  PCI_EXP_TYPE_ENDPOINT	0x0	/* Express Endpoint */
#define  PCI_EXP_TYPE_LEG_END	0x1	/* Legacy Endpoint */
#define  PCI_EXP_TYPE_ROOT_PORT 0x4	/* Root Port */
#define  PCI_EXP_TYPE_UPSTREAM	0x5	/* Upstream Port */
#define  PCI_EXP_TYPE_DOWNSTREAM 0x6	/* Downstream Port */
#define  PCI_EXP_TYPE_PCI_BRIDGE 0x7	/* PCI/PCI-X Bridge */
#define PCI_EXP_FLAGS_SLOT	0x0100	/* Slot implemented */
#define PCI_EXP_FLAGS_IRQ	0x3e00	/* Interrupt message number */
#define PCI_EXP_DEVCAP		4	/* Device capabilities */
#define  PCI_EXP_DEVCAP_PAYLOAD	0x07	/* Max_Payload_Size */
#define  PCI_EXP_DEVCAP_PHANTOM	0x18	/* Phantom functions */
#define  PCI_EXP_DEVCAP_EXT_TAG	0x20	/* Extended tags */
#define  PCI_EXP_DEVCAP_L0S	0x1c0	/* L0s Acceptable Latency */
#define  PCI_EXP_DEVCAP_L1	0xe00	/* L1 Acceptable Latency */
#define  PCI_EXP_DEVCAP_ATN_BUT	0x1000	/* Attention Button Present */
#define  PCI_EXP_DEVCAP_ATN_IND	0x2000	/* Attention Indicator Present */
#define  PCI_EXP_DEVCAP_PWR_IND	0x4000	/* Power Indicator Present */
#define  PCI_EXP_DEVCAP_PWR_VAL	0x3fc0000 /* Slot Power Limit Value */
#define  PCI_EXP_DEVCAP_PWR_SCL	0xc000000 /* Slot Power Limit Scale */
#define PCI_EXP_DEVCTL		8	/* Device Control */
#define  PCI_EXP_DEVCTL_CERE	0x0001	/* Correctable Error Reporting En. */
#define  PCI_EXP_DEVCTL_NFERE	0x0002	/* Non-Fatal Error Reporting Enable */
#define  PCI_EXP_DEVCTL_FERE	0x0004	/* Fatal Error Reporting Enable */
#define  PCI_EXP_DEVCTL_URRE	0x0008	/* Unsupported Request Reporting En. */
#define  PCI_EXP_DEVCTL_RELAX_EN 0x0010 /* Enable relaxed ordering */
#define  PCI_EXP_DEVCTL_PAYLOAD	0x00e0	/* Max_Payload_Size */
#define  PCI_EXP_DEVCTL_EXT_TAG	0x0100	/* Extended Tag Field Enable */
#define  PCI_EXP_DEVCTL_PHANTOM	0x0200	/* Phantom Functions Enable */
#define  PCI_EXP_DEVCTL_AUX_PME	0x0400	/* Auxiliary Power PM Enable */
#define  PCI_EXP_DEVCTL_NOSNOOP_EN 0x0800  /* Enable No Snoop */
#define  PCI_EXP_DEVCTL_READRQ	0x7000	/* Max_Read_Request_Size */
#define PCI_EXP_DEVSTA		10	/* Device Status */
#define  PCI_EXP_DEVSTA_CED	0x01	/* Correctable Error Detected */
#define  PCI_EXP_DEVSTA_NFED	0x02	/* Non-Fatal Error Detected */
#define  PCI_EXP_DEVSTA_FED	0x04	/* Fatal Error Detected */
#define  PCI_EXP_DEVSTA_URD	0x08	/* Unsupported Request Detected */
#define  PCI_EXP_DEVSTA_AUXPD	0x10	/* AUX Power Detected */
#define  PCI_EXP_DEVSTA_TRPND	0x20	/* Transactions Pending */
#define PCI_EXP_LNKCAP		12	/* Link Capabilities */
#define PCI_EXP_LNKCTL		16	/* Link Control */
#define  PCI_EXP_LNKCTL_CLKREQ_EN 0x100	/* Enable clkreq */
#define PCI_EXP_LNKSTA		18	/* Link Status */
#define PCI_EXP_SLTCAP		20	/* Slot Capabilities */
#define PCI_EXP_SLTCTL		24	/* Slot Control */
#define PCI_EXP_SLTSTA		26	/* Slot Status */
#define PCI_EXP_RTCTL		28	/* Root Control */
#define  PCI_EXP_RTCTL_SECEE	0x01	/* System Error on Correctable Error */
#define  PCI_EXP_RTCTL_SENFEE	0x02	/* System Error on Non-Fatal Error */
#define  PCI_EXP_RTCTL_SEFEE	0x04	/* System Error on Fatal Error */
#define  PCI_EXP_RTCTL_PMEIE	0x08	/* PME Interrupt Enable */
#define  PCI_EXP_RTCTL_CRSSVE	0x10	/* CRS Software Visibility Enable */
#define PCI_EXP_RTCAP		30	/* Root Capabilities */
#define PCI_EXP_RTSTA		32	/* Root Status */

/* Extended Capabilities (PCI-X 2.0 and Express) */
#define PCI_EXT_CAP_ID(header)		(header & 0x0000ffff)
#define PCI_EXT_CAP_VER(header)		((header >> 16) & 0xf)
#define PCI_EXT_CAP_NEXT(header)	((header >> 20) & 0xffc)

#define PCI_EXT_CAP_ID_ERR	1
#define PCI_EXT_CAP_ID_VC	2
#define PCI_EXT_CAP_ID_DSN	3
#define PCI_EXT_CAP_ID_PWR	4

/* Advanced Error Reporting */
#define PCI_ERR_UNCOR_STATUS	4	/* Uncorrectable Error Status */
#define  PCI_ERR_UNC_TRAIN	0x00000001	/* Training */
#define  PCI_ERR_UNC_DLP	0x00000010	/* Data Link Protocol */
#define  PCI_ERR_UNC_POISON_TLP	0x00001000	/* Poisoned TLP */
#define  PCI_ERR_UNC_FCP	0x00002000	/* Flow Control Protocol */
#define  PCI_ERR_UNC_COMP_TIME	0x00004000	/* Completion Timeout */
#define  PCI_ERR_UNC_COMP_ABORT	0x00008000	/* Completer Abort */
#define  PCI_ERR_UNC_UNX_COMP	0x00010000	/* Unexpected Completion */
#define  PCI_ERR_UNC_RX_OVER	0x00020000	/* Receiver Overflow */
#define  PCI_ERR_UNC_MALF_TLP	0x00040000	/* Malformed TLP */
#define  PCI_ERR_UNC_ECRC	0x00080000	/* ECRC Error Status */
#define  PCI_ERR_UNC_UNSUP	0x00100000	/* Unsupported Request */
#define PCI_ERR_UNCOR_MASK	8	/* Uncorrectable Error Mask */
	/* Same bits as above */
#define PCI_ERR_UNCOR_SEVER	12	/* Uncorrectable Error Severity */
	/* Same bits as above */
#define PCI_ERR_COR_STATUS	16	/* Correctable Error Status */
#define  PCI_ERR_COR_RCVR	0x00000001	/* Receiver Error Status */
#define  PCI_ERR_COR_BAD_TLP	0x00000040	/* Bad TLP Status */
#define  PCI_ERR_COR_BAD_DLLP	0x00000080	/* Bad DLLP Status */
#define  PCI_ERR_COR_REP_ROLL	0x00000100	/* REPLAY_NUM Rollover */
#define  PCI_ERR_COR_REP_TIMER	0x00001000	/* Replay Timer Timeout */
#define PCI_ERR_COR_MASK	20	/* Correctable Error Mask */
	/* Same bits as above */
#define PCI_ERR_CAP		24	/* Advanced Error Capabilities */
#define  PCI_ERR_CAP_FEP(x)	((x) & 31)	/* First Error Pointer */
#define  PCI_ERR_CAP_ECRC_GENC	0x00000020	/* ECRC Generation Capable */
#define  PCI_ERR_CAP_ECRC_GENE	0x00000040	/* ECRC Generation Enable */
#define  PCI_ERR_CAP_ECRC_CHKC	0x00000080	/* ECRC Check Capable */
#define  PCI_ERR_CAP_ECRC_CHKE	0x00000100	/* ECRC Check Enable */
#define PCI_ERR_HEADER_LOG	28	/* Header Log Register (16 bytes) */
#define PCI_ERR_ROOT_COMMAND	44	/* Root Error Command */
/* Correctable Err Reporting Enable */
#define PCI_ERR_ROOT_CMD_COR_EN		0x00000001
/* Non-fatal Err Reporting Enable */
#define PCI_ERR_ROOT_CMD_NONFATAL_EN	0x00000002
/* Fatal Err Reporting Enable */
#define PCI_ERR_ROOT_CMD_FATAL_EN	0x00000004
#define PCI_ERR_ROOT_STATUS	48
#define PCI_ERR_ROOT_COR_RCV		0x00000001	/* ERR_COR Received */
/* Multi ERR_COR Received */
#define PCI_ERR_ROOT_MULTI_COR_RCV	0x00000002
/* ERR_FATAL/NONFATAL Recevied */
#define PCI_ERR_ROOT_UNCOR_RCV		0x00000004
/* Multi ERR_FATAL/NONFATAL Recevied */
#define PCI_ERR_ROOT_MULTI_UNCOR_RCV	0x00000008
#define PCI_ERR_ROOT_FIRST_FATAL	0x00000010	/* First Fatal */
#define PCI_ERR_ROOT_NONFATAL_RCV	0x00000020	/* Non-Fatal Received */
#define PCI_ERR_ROOT_FATAL_RCV		0x00000040	/* Fatal Received */
#define PCI_ERR_ROOT_COR_SRC	52
#define PCI_ERR_ROOT_SRC	54

/* Virtual Channel */
#define PCI_VC_PORT_REG1	4
#define PCI_VC_PORT_REG2	8
#define PCI_VC_PORT_CTRL	12
#define PCI_VC_PORT_STATUS	14
#define PCI_VC_RES_CAP		16
#define PCI_VC_RES_CTRL		20
#define PCI_VC_RES_STATUS	26

/* Power Budgeting */
#define PCI_PWR_DSR		4	/* Data Select Register */
#define PCI_PWR_DATA		8	/* Data Register */
#define  PCI_PWR_DATA_BASE(x)	((x) & 0xff)	    /* Base Power */
#define  PCI_PWR_DATA_SCALE(x)	(((x) >> 8) & 3)    /* Data Scale */
#define  PCI_PWR_DATA_PM_SUB(x)	(((x) >> 10) & 7)   /* PM Sub State */
#define  PCI_PWR_DATA_PM_STATE(x) (((x) >> 13) & 3) /* PM State */
#define  PCI_PWR_DATA_TYPE(x)	(((x) >> 15) & 7)   /* Type */
#define  PCI_PWR_DATA_RAIL(x)	(((x) >> 18) & 7)   /* Power Rail */
#define PCI_PWR_CAP		12	/* Capability */
#define  PCI_PWR_CAP_BUDGET(x)	((x) & 1)	/* Included in system budget */

/*
 * Hypertransport sub capability types
 *
 * Unfortunately there are both 3 bit and 5 bit capability types defined
 * in the HT spec, catering for that is a little messy. You probably don't
 * want to use these directly, just use pci_find_ht_capability() and it
 * will do the right thing for you.
 */
#define HT_3BIT_CAP_MASK	0xE0
#define HT_CAPTYPE_SLAVE	0x00	/* Slave/Primary link configuration */
#define HT_CAPTYPE_HOST		0x20	/* Host/Secondary link configuration */

#define HT_5BIT_CAP_MASK	0xF8
#define HT_CAPTYPE_IRQ		0x80	/* IRQ Configuration */
#define HT_CAPTYPE_REMAPPING_40	0xA0	/* 40 bit address remapping */
#define HT_CAPTYPE_REMAPPING_64 0xA2	/* 64 bit address remapping */
#define HT_CAPTYPE_UNITID_CLUMP	0x90	/* Unit ID clumping */
#define HT_CAPTYPE_EXTCONF	0x98	/* Extended Configuration Space Access */
#define HT_CAPTYPE_MSI_MAPPING	0xA8	/* MSI Mapping Capability */
#define  HT_MSI_FLAGS		0x02		/* Offset to flags */
#define  HT_MSI_FLAGS_ENABLE	0x1		/* Mapping enable */
#define  HT_MSI_FLAGS_FIXED	0x2		/* Fixed mapping only */
#define  HT_MSI_FIXED_ADDR	0x00000000FEE00000ULL	/* Fixed addr */
#define  HT_MSI_ADDR_LO		0x04		/* Offset to low addr bits */
#define  HT_MSI_ADDR_LO_MASK	0xFFF00000	/* Low address bit mask */
#define  HT_MSI_ADDR_HI		0x08		/* Offset to high addr bits */
#define HT_CAPTYPE_DIRECT_ROUTE	0xB0	/* Direct routing configuration */
#define HT_CAPTYPE_VCSET	0xB8	/* Virtual Channel configuration */
#define HT_CAPTYPE_ERROR_RETRY	0xC0	/* Retry on error configuration */
#define HT_CAPTYPE_GEN3		0xD0	/* Generation 3 hypertransport configuration */
#define HT_CAPTYPE_PM		0xE0	/* Hypertransport powermanagement configuration */


#endif /* LINUX_PCI_REGS_H */