| 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| 2 | /* |
| 3 | *	PCI standard defines |
| 4 | *	Copyright 1994, Drew Eckhardt |
| 5 | *	Copyright 1997--1999 Martin Mares <mj@ucw.cz> |
| 6 | * |
| 7 | *	For more information, please consult the following manuals (look at |
| 8 | *	http://www.pcisig.com/ for how to get them): |
| 9 | * |
| 10 | *	PCI BIOS Specification |
| 11 | *	PCI Local Bus Specification |
| 12 | *	PCI to PCI Bridge Specification |
| 13 | *	PCI System Design Guide |
| 14 | * |
| 15 | *	For HyperTransport information, please consult the following manuals |
| 16 | *	from http://www.hypertransport.org : |
| 17 | * |
| 18 | *	The HyperTransport I/O Link Specification |
| 19 | */ |
| 20 | |
| 21 | #ifndef LINUX_PCI_REGS_H |
| 22 | #define LINUX_PCI_REGS_H |
| 23 | |
| 24 | /* |
| 25 | * Conventional PCI and PCI-X Mode 1 devices have 256 bytes of |
| 26 | * configuration space. PCI-X Mode 2 and PCIe devices have 4096 bytes of |
| 27 | * configuration space. |
| 28 | */ |
| 29 | #define PCI_CFG_SPACE_SIZE	256 |
| 30 | #define PCI_CFG_SPACE_EXP_SIZE	4096 |
| 31 | |
| 32 | /* |
| 33 | * Under PCI, each device has 256 bytes of configuration address space, |
| 34 | * of which the first 64 bytes are standardized as follows: |
| 35 | */ |
| 36 | #define PCI_STD_HEADER_SIZEOF	64 |
| 37 | #define PCI_STD_NUM_BARS	6	/* Number of standard BARs */ |
| 38 | #define PCI_VENDOR_ID		0x00	/* 16 bits */ |
| 39 | #define PCI_DEVICE_ID		0x02	/* 16 bits */ |
| 40 | #define PCI_COMMAND		0x04	/* 16 bits */ |
| 41 | #define PCI_COMMAND_IO		0x1	/* Enable response in I/O space */ |
| 42 | #define PCI_COMMAND_MEMORY	0x2	/* Enable response in Memory space */ |
| 43 | #define PCI_COMMAND_MASTER	0x4	/* Enable bus mastering */ |
| 44 | #define PCI_COMMAND_SPECIAL	0x8	/* Enable response to special cycles */ |
| 45 | #define PCI_COMMAND_INVALIDATE	0x10	/* Use memory write and invalidate */ |
| 46 | #define PCI_COMMAND_VGA_PALETTE 0x20	/* Enable palette snooping */ |
| 47 | #define PCI_COMMAND_PARITY	0x40	/* Enable parity checking */ |
| 48 | #define PCI_COMMAND_WAIT	0x80	/* Enable address/data stepping */ |
| 49 | #define PCI_COMMAND_SERR	0x100	/* Enable SERR */ |
| 50 | #define PCI_COMMAND_FAST_BACK	0x200	/* Enable back-to-back writes */ |
| 51 | #define PCI_COMMAND_INTX_DISABLE 0x400 /* INTx Emulation Disable */ |
| 52 | |
| 53 | #define PCI_STATUS		0x06	/* 16 bits */ |
| 54 | #define PCI_STATUS_IMM_READY	0x01	/* Immediate Readiness */ |
| 55 | #define PCI_STATUS_INTERRUPT	0x08	/* Interrupt status */ |
| 56 | #define PCI_STATUS_CAP_LIST	0x10	/* Support Capability List */ |
| 57 | #define PCI_STATUS_66MHZ	0x20	/* Support 66 MHz PCI 2.1 bus */ |
| 58 | #define PCI_STATUS_UDF		0x40	/* Support User Definable Features [obsolete] */ |
| 59 | #define PCI_STATUS_FAST_BACK	0x80	/* Accept fast-back to back */ |
| 60 | #define PCI_STATUS_PARITY	0x100	/* Detected parity error */ |
| 61 | #define PCI_STATUS_DEVSEL_MASK	0x600	/* DEVSEL timing */ |
| 62 | #define PCI_STATUS_DEVSEL_FAST		0x000 |
| 63 | #define PCI_STATUS_DEVSEL_MEDIUM	0x200 |
| 64 | #define PCI_STATUS_DEVSEL_SLOW		0x400 |
| 65 | #define PCI_STATUS_SIG_TARGET_ABORT	0x800 /* Set on target abort */ |
| 66 | #define PCI_STATUS_REC_TARGET_ABORT	0x1000 /* Master ack of " */ |
| 67 | #define PCI_STATUS_REC_MASTER_ABORT	0x2000 /* Set on master abort */ |
| 68 | #define PCI_STATUS_SIG_SYSTEM_ERROR	0x4000 /* Set when we drive SERR */ |
| 69 | #define PCI_STATUS_DETECTED_PARITY	0x8000 /* Set on parity error */ |
| 70 | |
| 71 | #define PCI_CLASS_REVISION	0x08	/* High 24 bits are class, low 8 revision */ |
| 72 | #define PCI_REVISION_ID		0x08	/* Revision ID */ |
| 73 | #define PCI_CLASS_PROG		0x09	/* Reg. Level Programming Interface */ |
| 74 | #define PCI_CLASS_DEVICE	0x0a	/* Device class */ |
| 75 | |
| 76 | #define PCI_CACHE_LINE_SIZE	0x0c	/* 8 bits */ |
| 77 | #define PCI_LATENCY_TIMER	0x0d	/* 8 bits */ |
| 78 | #define PCI_HEADER_TYPE		0x0e	/* 8 bits */ |
| 79 | #define PCI_HEADER_TYPE_MASK		0x7f |
| 80 | #define PCI_HEADER_TYPE_NORMAL		0 |
| 81 | #define PCI_HEADER_TYPE_BRIDGE		1 |
| 82 | #define PCI_HEADER_TYPE_CARDBUS	2 |
| 83 | #define PCI_HEADER_TYPE_MFD		0x80	/* Multi-Function Device (possible) */ |
| 84 | |
| 85 | #define PCI_BIST		0x0f	/* 8 bits */ |
| 86 | #define PCI_BIST_CODE_MASK	0x0f	/* Return result */ |
| 87 | #define PCI_BIST_START		0x40	/* 1 to start BIST, 2 secs or less */ |
| 88 | #define PCI_BIST_CAPABLE	0x80	/* 1 if BIST capable */ |
| 89 | |
| 90 | /* |
| 91 | * Base addresses specify locations in memory or I/O space. |
| 92 | * Decoded size can be determined by writing a value of |
| 93 | * 0xffffffff to the register, and reading it back. Only |
| 94 | * 1 bits are decoded. |
| 95 | */ |
| 96 | #define PCI_BASE_ADDRESS_0	0x10	/* 32 bits */ |
| 97 | #define PCI_BASE_ADDRESS_1	0x14	/* 32 bits [htype 0,1 only] */ |
| 98 | #define PCI_BASE_ADDRESS_2	0x18	/* 32 bits [htype 0 only] */ |
| 99 | #define PCI_BASE_ADDRESS_3	0x1c	/* 32 bits */ |
| 100 | #define PCI_BASE_ADDRESS_4	0x20	/* 32 bits */ |
| 101 | #define PCI_BASE_ADDRESS_5	0x24	/* 32 bits */ |
| 102 | #define PCI_BASE_ADDRESS_SPACE		0x01	/* 0 = memory, 1 = I/O */ |
| 103 | #define PCI_BASE_ADDRESS_SPACE_IO	0x01 |
| 104 | #define PCI_BASE_ADDRESS_SPACE_MEMORY	0x00 |
| 105 | #define PCI_BASE_ADDRESS_MEM_TYPE_MASK	0x06 |
| 106 | #define PCI_BASE_ADDRESS_MEM_TYPE_32	0x00	/* 32 bit address */ |
| 107 | #define PCI_BASE_ADDRESS_MEM_TYPE_1M	0x02	/* Below 1M [obsolete] */ |
| 108 | #define PCI_BASE_ADDRESS_MEM_TYPE_64	0x04	/* 64 bit address */ |
| 109 | #define PCI_BASE_ADDRESS_MEM_PREFETCH	0x08	/* prefetchable? */ |
| 110 | #define PCI_BASE_ADDRESS_MEM_MASK	(~0x0fUL) |
| 111 | #define PCI_BASE_ADDRESS_IO_MASK	(~0x03UL) |
| 112 | /* bit 1 is reserved if address_space = 1 */ |
| 113 | |
| 114 | /* Header type 0 (normal devices) */ |
| 115 | #define PCI_CARDBUS_CIS		0x28 |
| 116 | #define PCI_SUBSYSTEM_VENDOR_ID	0x2c |
| 117 | #define PCI_SUBSYSTEM_ID	0x2e |
| 118 | #define PCI_ROM_ADDRESS		0x30	/* Bits 31..11 are address, 10..1 reserved */ |
| 119 | #define PCI_ROM_ADDRESS_ENABLE	0x01 |
| 120 | #define PCI_ROM_ADDRESS_MASK	(~0x7ffU) |
| 121 | |
| 122 | #define PCI_CAPABILITY_LIST	0x34	/* Offset of first capability list entry */ |
| 123 | |
| 124 | /* 0x35-0x3b are reserved */ |
| 125 | #define PCI_INTERRUPT_LINE	0x3c	/* 8 bits */ |
| 126 | #define PCI_INTERRUPT_PIN	0x3d	/* 8 bits */ |
| 127 | #define PCI_MIN_GNT		0x3e	/* 8 bits */ |
| 128 | #define PCI_MAX_LAT		0x3f	/* 8 bits */ |
| 129 | |
| 130 | /* Header type 1 (PCI-to-PCI bridges) */ |
| 131 | #define PCI_PRIMARY_BUS		0x18	/* Primary bus number */ |
| 132 | #define PCI_SECONDARY_BUS	0x19	/* Secondary bus number */ |
| 133 | #define PCI_SUBORDINATE_BUS	0x1a	/* Highest bus number behind the bridge */ |
| 134 | #define PCI_SEC_LATENCY_TIMER	0x1b	/* Latency timer for secondary interface */ |
| 135 | /* Masks for dword-sized processing of Bus Number and Sec Latency Timer fields */ |
| 136 | #define PCI_PRIMARY_BUS_MASK		0x000000ff |
| 137 | #define PCI_SECONDARY_BUS_MASK		0x0000ff00 |
| 138 | #define PCI_SUBORDINATE_BUS_MASK	0x00ff0000 |
| 139 | #define PCI_SEC_LATENCY_TIMER_MASK	0xff000000 |
| 140 | #define PCI_IO_BASE		0x1c	/* I/O range behind the bridge */ |
| 141 | #define PCI_IO_LIMIT		0x1d |
| 142 | #define PCI_IO_RANGE_TYPE_MASK	0x0fUL	/* I/O bridging type */ |
| 143 | #define PCI_IO_RANGE_TYPE_16	0x00 |
| 144 | #define PCI_IO_RANGE_TYPE_32	0x01 |
| 145 | #define PCI_IO_RANGE_MASK	(~0x0fUL) /* Standard 4K I/O windows */ |
| 146 | #define PCI_IO_1K_RANGE_MASK	(~0x03UL) /* Intel 1K I/O windows */ |
| 147 | #define PCI_SEC_STATUS		0x1e	/* Secondary status register, only bit 14 used */ |
| 148 | #define PCI_MEMORY_BASE		0x20	/* Memory range behind */ |
| 149 | #define PCI_MEMORY_LIMIT	0x22 |
| 150 | #define PCI_MEMORY_RANGE_TYPE_MASK 0x0fUL |
| 151 | #define PCI_MEMORY_RANGE_MASK	(~0x0fUL) |
| 152 | #define PCI_PREF_MEMORY_BASE	0x24	/* Prefetchable memory range behind */ |
| 153 | #define PCI_PREF_MEMORY_LIMIT	0x26 |
| 154 | #define PCI_PREF_RANGE_TYPE_MASK 0x0fUL |
| 155 | #define PCI_PREF_RANGE_TYPE_32	0x00 |
| 156 | #define PCI_PREF_RANGE_TYPE_64	0x01 |
| 157 | #define PCI_PREF_RANGE_MASK	(~0x0fUL) |
| 158 | #define PCI_PREF_BASE_UPPER32	0x28	/* Upper half of prefetchable memory range */ |
| 159 | #define PCI_PREF_LIMIT_UPPER32	0x2c |
| 160 | #define PCI_IO_BASE_UPPER16	0x30	/* Upper half of I/O addresses */ |
| 161 | #define PCI_IO_LIMIT_UPPER16	0x32 |
| 162 | /* 0x34 same as for htype 0 */ |
| 163 | /* 0x35-0x3b is reserved */ |
| 164 | #define PCI_ROM_ADDRESS1	0x38	/* Same as PCI_ROM_ADDRESS, but for htype 1 */ |
| 165 | /* 0x3c-0x3d are same as for htype 0 */ |
| 166 | #define PCI_BRIDGE_CONTROL	0x3e |
| 167 | #define PCI_BRIDGE_CTL_PARITY	0x01	/* Enable parity detection on secondary interface */ |
| 168 | #define PCI_BRIDGE_CTL_SERR	0x02	/* The same for SERR forwarding */ |
| 169 | #define PCI_BRIDGE_CTL_ISA	0x04	/* Enable ISA mode */ |
| 170 | #define PCI_BRIDGE_CTL_VGA	0x08	/* Forward VGA addresses */ |
| 171 | #define PCI_BRIDGE_CTL_MASTER_ABORT	0x20 /* Report master aborts */ |
| 172 | #define PCI_BRIDGE_CTL_BUS_RESET	0x40	/* Secondary bus reset */ |
| 173 | #define PCI_BRIDGE_CTL_FAST_BACK	0x80	/* Fast Back2Back enabled on secondary interface */ |
| 174 | |
| 175 | /* Header type 2 (CardBus bridges) */ |
| 176 | #define PCI_CB_CAPABILITY_LIST	0x14 |
| 177 | /* 0x15 reserved */ |
| 178 | #define PCI_CB_SEC_STATUS	0x16	/* Secondary status */ |
| 179 | #define PCI_CB_PRIMARY_BUS	0x18	/* PCI bus number */ |
| 180 | #define PCI_CB_CARD_BUS		0x19	/* CardBus bus number */ |
| 181 | #define PCI_CB_SUBORDINATE_BUS	0x1a	/* Subordinate bus number */ |
| 182 | #define PCI_CB_LATENCY_TIMER	0x1b	/* CardBus latency timer */ |
| 183 | #define PCI_CB_MEMORY_BASE_0	0x1c |
| 184 | #define PCI_CB_MEMORY_LIMIT_0	0x20 |
| 185 | #define PCI_CB_MEMORY_BASE_1	0x24 |
| 186 | #define PCI_CB_MEMORY_LIMIT_1	0x28 |
| 187 | #define PCI_CB_IO_BASE_0	0x2c |
| 188 | #define PCI_CB_IO_BASE_0_HI	0x2e |
| 189 | #define PCI_CB_IO_LIMIT_0	0x30 |
| 190 | #define PCI_CB_IO_LIMIT_0_HI	0x32 |
| 191 | #define PCI_CB_IO_BASE_1	0x34 |
| 192 | #define PCI_CB_IO_BASE_1_HI	0x36 |
| 193 | #define PCI_CB_IO_LIMIT_1	0x38 |
| 194 | #define PCI_CB_IO_LIMIT_1_HI	0x3a |
| 195 | #define PCI_CB_IO_RANGE_MASK	(~0x03UL) |
| 196 | /* 0x3c-0x3d are same as for htype 0 */ |
| 197 | #define PCI_CB_BRIDGE_CONTROL	0x3e |
| 198 | #define PCI_CB_BRIDGE_CTL_PARITY	0x01	/* Similar to standard bridge control register */ |
| 199 | #define PCI_CB_BRIDGE_CTL_SERR		0x02 |
| 200 | #define PCI_CB_BRIDGE_CTL_ISA		0x04 |
| 201 | #define PCI_CB_BRIDGE_CTL_VGA		0x08 |
| 202 | #define PCI_CB_BRIDGE_CTL_MASTER_ABORT	0x20 |
| 203 | #define PCI_CB_BRIDGE_CTL_CB_RESET	0x40	/* CardBus reset */ |
| 204 | #define PCI_CB_BRIDGE_CTL_16BIT_INT	0x80	/* Enable interrupt for 16-bit cards */ |
| 205 | #define PCI_CB_BRIDGE_CTL_PREFETCH_MEM0 0x100	/* Prefetch enable for both memory regions */ |
| 206 | #define PCI_CB_BRIDGE_CTL_PREFETCH_MEM1 0x200 |
| 207 | #define PCI_CB_BRIDGE_CTL_POST_WRITES	0x400 |
| 208 | #define PCI_CB_SUBSYSTEM_VENDOR_ID	0x40 |
| 209 | #define PCI_CB_SUBSYSTEM_ID		0x42 |
| 210 | #define PCI_CB_LEGACY_MODE_BASE		0x44	/* 16-bit PC Card legacy mode base address (ExCa) */ |
| 211 | /* 0x48-0x7f reserved */ |
| 212 | |
| 213 | /* Capability lists */ |
| 214 | |
| 215 | #define PCI_CAP_ID_MASK		0x00ff	/* Capability ID mask */ |
| 216 | #define PCI_CAP_LIST_NEXT_MASK	0xff00	/* Next Capability Pointer mask */ |
| 217 | |
| 218 | #define PCI_CAP_LIST_ID		0	/* Capability ID */ |
| 219 | #define PCI_CAP_ID_PM		0x01	/* Power Management */ |
| 220 | #define PCI_CAP_ID_AGP		0x02	/* Accelerated Graphics Port */ |
| 221 | #define PCI_CAP_ID_VPD		0x03	/* Vital Product Data */ |
| 222 | #define PCI_CAP_ID_SLOTID	0x04	/* Slot Identification */ |
| 223 | #define PCI_CAP_ID_MSI		0x05	/* Message Signalled Interrupts */ |
| 224 | #define PCI_CAP_ID_CHSWP	0x06	/* CompactPCI HotSwap */ |
| 225 | #define PCI_CAP_ID_PCIX	0x07	/* PCI-X */ |
| 226 | #define PCI_CAP_ID_HT		0x08	/* HyperTransport */ |
| 227 | #define PCI_CAP_ID_VNDR	0x09	/* Vendor-Specific */ |
| 228 | #define PCI_CAP_ID_DBG		0x0A	/* Debug port */ |
| 229 | #define PCI_CAP_ID_CCRC	0x0B	/* CompactPCI Central Resource Control */ |
| 230 | #define PCI_CAP_ID_SHPC	0x0C	/* PCI Standard Hot-Plug Controller */ |
| 231 | #define PCI_CAP_ID_SSVID	0x0D	/* Bridge subsystem vendor/device ID */ |
| 232 | #define PCI_CAP_ID_AGP3	0x0E	/* AGP Target PCI-PCI bridge */ |
| 233 | #define PCI_CAP_ID_SECDEV	0x0F	/* Secure Device */ |
| 234 | #define PCI_CAP_ID_EXP		0x10	/* PCI Express */ |
| 235 | #define PCI_CAP_ID_MSIX	0x11	/* MSI-X */ |
| 236 | #define PCI_CAP_ID_SATA	0x12	/* SATA Data/Index Conf. */ |
| 237 | #define PCI_CAP_ID_AF		0x13	/* PCI Advanced Features */ |
| 238 | #define PCI_CAP_ID_EA		0x14	/* PCI Enhanced Allocation */ |
| 239 | #define PCI_CAP_ID_MAX		PCI_CAP_ID_EA |
| 240 | #define PCI_CAP_LIST_NEXT	1	/* Next capability in the list */ |
| 241 | #define PCI_CAP_FLAGS		2	/* Capability defined flags (16 bits) */ |
| 242 | #define PCI_CAP_SIZEOF		4 |
| 243 | |
| 244 | /* Power Management Registers */ |
| 245 | |
| 246 | #define PCI_PM_PMC		2	/* PM Capabilities Register */ |
| 247 | #define PCI_PM_CAP_VER_MASK	0x0007	/* Version */ |
| 248 | #define PCI_PM_CAP_PME_CLOCK	0x0008	/* PME clock required */ |
| 249 | #define PCI_PM_CAP_RESERVED 0x0010 /* Reserved field */ |
| 250 | #define PCI_PM_CAP_DSI		0x0020	/* Device specific initialization */ |
| 251 | #define PCI_PM_CAP_AUX_POWER	0x01C0	/* Auxiliary power support mask */ |
| 252 | #define PCI_PM_CAP_D1		0x0200	/* D1 power state support */ |
| 253 | #define PCI_PM_CAP_D2		0x0400	/* D2 power state support */ |
| 254 | #define PCI_PM_CAP_PME		0x0800	/* PME pin supported */ |
| 255 | #define PCI_PM_CAP_PME_MASK	0xF800	/* PME Mask of all supported states */ |
| 256 | #define PCI_PM_CAP_PME_D0	0x0800	/* PME# from D0 */ |
| 257 | #define PCI_PM_CAP_PME_D1	0x1000	/* PME# from D1 */ |
| 258 | #define PCI_PM_CAP_PME_D2	0x2000	/* PME# from D2 */ |
| 259 | #define PCI_PM_CAP_PME_D3hot	0x4000	/* PME# from D3 (hot) */ |
| 260 | #define PCI_PM_CAP_PME_D3cold	0x8000	/* PME# from D3 (cold) */ |
| 261 | #define PCI_PM_CAP_PME_SHIFT	11	/* Start of the PME Mask in PMC */ |
| 262 | #define PCI_PM_CTRL		4	/* PM control and status register */ |
| 263 | #define PCI_PM_CTRL_STATE_MASK	0x0003	/* Current power state (D0 to D3) */ |
| 264 | #define PCI_PM_CTRL_NO_SOFT_RESET	0x0008	/* No reset for D3hot->D0 */ |
| 265 | #define PCI_PM_CTRL_PME_ENABLE	0x0100	/* PME pin enable */ |
| 266 | #define PCI_PM_CTRL_DATA_SEL_MASK	0x1e00	/* Data select (??) */ |
| 267 | #define PCI_PM_CTRL_DATA_SCALE_MASK	0x6000	/* Data scale (??) */ |
| 268 | #define PCI_PM_CTRL_PME_STATUS	0x8000	/* PME pin status */ |
| 269 | #define PCI_PM_PPB_EXTENSIONS	6	/* PPB support extensions (??) */ |
| 270 | #define PCI_PM_PPB_B2_B3	0x40	/* Stop clock when in D3hot (??) */ |
| 271 | #define PCI_PM_BPCC_ENABLE	0x80	/* Bus power/clock control enable (??) */ |
| 272 | #define PCI_PM_DATA_REGISTER	7	/* (??) */ |
| 273 | #define PCI_PM_SIZEOF		8 |
| 274 | |
| 275 | /* AGP registers */ |
| 276 | |
| 277 | #define PCI_AGP_VERSION		2	/* BCD version number */ |
| 278 | #define PCI_AGP_RFU		3	/* Rest of capability flags */ |
| 279 | #define PCI_AGP_STATUS		4	/* Status register */ |
| 280 | #define PCI_AGP_STATUS_RQ_MASK	0xff000000	/* Maximum number of requests - 1 */ |
| 281 | #define PCI_AGP_STATUS_SBA	0x0200	/* Sideband addressing supported */ |
| 282 | #define PCI_AGP_STATUS_64BIT	0x0020	/* 64-bit addressing supported */ |
| 283 | #define PCI_AGP_STATUS_FW	0x0010	/* FW transfers supported */ |
| 284 | #define PCI_AGP_STATUS_RATE4	0x0004	/* 4x transfer rate supported */ |
| 285 | #define PCI_AGP_STATUS_RATE2	0x0002	/* 2x transfer rate supported */ |
| 286 | #define PCI_AGP_STATUS_RATE1	0x0001	/* 1x transfer rate supported */ |
| 287 | #define PCI_AGP_COMMAND		8	/* Control register */ |
| 288 | #define PCI_AGP_COMMAND_RQ_MASK 0xff000000 /* Master: Maximum number of requests */ |
| 289 | #define PCI_AGP_COMMAND_SBA	0x0200	/* Sideband addressing enabled */ |
| 290 | #define PCI_AGP_COMMAND_AGP	0x0100	/* Allow processing of AGP transactions */ |
| 291 | #define PCI_AGP_COMMAND_64BIT	0x0020	/* Allow processing of 64-bit addresses */ |
| 292 | #define PCI_AGP_COMMAND_FW	0x0010	/* Force FW transfers */ |
| 293 | #define PCI_AGP_COMMAND_RATE4	0x0004	/* Use 4x rate */ |
| 294 | #define PCI_AGP_COMMAND_RATE2	0x0002	/* Use 2x rate */ |
| 295 | #define PCI_AGP_COMMAND_RATE1	0x0001	/* Use 1x rate */ |
| 296 | #define PCI_AGP_SIZEOF		12 |
| 297 | |
| 298 | /* Vital Product Data */ |
| 299 | |
| 300 | #define PCI_VPD_ADDR		2	/* Address to access (15 bits!) */ |
| 301 | #define PCI_VPD_ADDR_MASK	0x7fff	/* Address mask */ |
| 302 | #define PCI_VPD_ADDR_F		0x8000	/* Write 0, 1 indicates completion */ |
| 303 | #define PCI_VPD_DATA		4	/* 32-bits of data returned here */ |
| 304 | #define PCI_CAP_VPD_SIZEOF	8 |
| 305 | |
| 306 | /* Slot Identification */ |
| 307 | |
| 308 | #define PCI_SID_ESR		2	/* Expansion Slot Register */ |
| 309 | #define PCI_SID_ESR_NSLOTS	0x1f	/* Number of expansion slots available */ |
| 310 | #define PCI_SID_ESR_FIC	0x20	/* First In Chassis Flag */ |
| 311 | #define PCI_SID_CHASSIS_NR	3	/* Chassis Number */ |
| 312 | |
| 313 | /* Message Signaled Interrupt registers */ |
| 314 | |
| 315 | #define PCI_MSI_FLAGS		0x02	/* Message Control */ |
| 316 | #define PCI_MSI_FLAGS_ENABLE	0x0001	/* MSI feature enabled */ |
| 317 | #define PCI_MSI_FLAGS_QMASK	0x000e	/* Maximum queue size available */ |
| 318 | #define PCI_MSI_FLAGS_QSIZE	0x0070	/* Message queue size configured */ |
| 319 | #define PCI_MSI_FLAGS_64BIT	0x0080	/* 64-bit addresses allowed */ |
| 320 | #define PCI_MSI_FLAGS_MASKBIT	0x0100	/* Per-vector masking capable */ |
| 321 | #define PCI_MSI_RFU		3	/* Rest of capability flags */ |
| 322 | #define PCI_MSI_ADDRESS_LO	0x04	/* Lower 32 bits */ |
| 323 | #define PCI_MSI_ADDRESS_HI	0x08	/* Upper 32 bits (if PCI_MSI_FLAGS_64BIT set) */ |
| 324 | #define PCI_MSI_DATA_32		0x08	/* 16 bits of data for 32-bit devices */ |
| 325 | #define PCI_MSI_MASK_32		0x0c	/* Mask bits register for 32-bit devices */ |
| 326 | #define PCI_MSI_PENDING_32	0x10	/* Pending intrs for 32-bit devices */ |
| 327 | #define PCI_MSI_DATA_64		0x0c	/* 16 bits of data for 64-bit devices */ |
| 328 | #define PCI_MSI_MASK_64		0x10	/* Mask bits register for 64-bit devices */ |
| 329 | #define PCI_MSI_PENDING_64	0x14	/* Pending intrs for 64-bit devices */ |
| 330 | |
| 331 | /* MSI-X registers (in MSI-X capability) */ |
| 332 | #define PCI_MSIX_FLAGS		2	/* Message Control */ |
| 333 | #define PCI_MSIX_FLAGS_QSIZE	0x07FF	/* Table size */ |
| 334 | #define PCI_MSIX_FLAGS_MASKALL	0x4000	/* Mask all vectors for this function */ |
| 335 | #define PCI_MSIX_FLAGS_ENABLE	0x8000	/* MSI-X enable */ |
| 336 | #define PCI_MSIX_TABLE		4	/* Table offset */ |
| 337 | #define PCI_MSIX_TABLE_BIR	0x00000007 /* BAR index */ |
| 338 | #define PCI_MSIX_TABLE_OFFSET	0xfffffff8 /* Offset into specified BAR */ |
| 339 | #define PCI_MSIX_PBA		8	/* Pending Bit Array offset */ |
| 340 | #define PCI_MSIX_PBA_BIR	0x00000007 /* BAR index */ |
| 341 | #define PCI_MSIX_PBA_OFFSET	0xfffffff8 /* Offset into specified BAR */ |
| 342 | #define PCI_MSIX_FLAGS_BIRMASK	PCI_MSIX_PBA_BIR /* deprecated */ |
| 343 | #define PCI_CAP_MSIX_SIZEOF	12	/* size of MSIX registers */ |
| 344 | |
| 345 | /* MSI-X Table entry format (in memory mapped by a BAR) */ |
| 346 | #define PCI_MSIX_ENTRY_SIZE		16 |
| 347 | #define PCI_MSIX_ENTRY_LOWER_ADDR	0x0 /* Message Address */ |
| 348 | #define PCI_MSIX_ENTRY_UPPER_ADDR	0x4 /* Message Upper Address */ |
| 349 | #define PCI_MSIX_ENTRY_DATA		0x8 /* Message Data */ |
| 350 | #define PCI_MSIX_ENTRY_VECTOR_CTRL	0xc /* Vector Control */ |
| 351 | #define PCI_MSIX_ENTRY_CTRL_MASKBIT	0x00000001 /* Mask Bit */ |
| 352 | #define PCI_MSIX_ENTRY_CTRL_ST		0xffff0000 /* Steering Tag */ |
| 353 | |
| 354 | /* CompactPCI Hotswap Register */ |
| 355 | |
| 356 | #define PCI_CHSWP_CSR		2	/* Control and Status Register */ |
| 357 | #define PCI_CHSWP_DHA		0x01	/* Device Hiding Arm */ |
| 358 | #define PCI_CHSWP_EIM		0x02	/* ENUM# Signal Mask */ |
| 359 | #define PCI_CHSWP_PIE		0x04	/* Pending Insert or Extract */ |
| 360 | #define PCI_CHSWP_LOO		0x08	/* LED On / Off */ |
| 361 | #define PCI_CHSWP_PI		0x30	/* Programming Interface */ |
| 362 | #define PCI_CHSWP_EXT		0x40	/* ENUM# status - extraction */ |
| 363 | #define PCI_CHSWP_INS		0x80	/* ENUM# status - insertion */ |
| 364 | |
| 365 | /* PCI Advanced Feature registers */ |
| 366 | |
| 367 | #define PCI_AF_LENGTH		2 |
| 368 | #define PCI_AF_CAP		3 |
| 369 | #define PCI_AF_CAP_TP		0x01 |
| 370 | #define PCI_AF_CAP_FLR		0x02 |
| 371 | #define PCI_AF_CTRL		4 |
| 372 | #define PCI_AF_CTRL_FLR	0x01 |
| 373 | #define PCI_AF_STATUS		5 |
| 374 | #define PCI_AF_STATUS_TP	0x01 |
| 375 | #define PCI_CAP_AF_SIZEOF	6	/* size of AF registers */ |
| 376 | |
| 377 | /* PCI Enhanced Allocation registers */ |
| 378 | |
| 379 | #define PCI_EA_NUM_ENT		2	/* Number of Capability Entries */ |
| 380 | #define PCI_EA_NUM_ENT_MASK	0x3f	/* Num Entries Mask */ |
| 381 | #define PCI_EA_FIRST_ENT	4	/* First EA Entry in List */ |
| 382 | #define PCI_EA_FIRST_ENT_BRIDGE	8	/* First EA Entry for Bridges */ |
| 383 | #define PCI_EA_ES		0x00000007 /* Entry Size */ |
| 384 | #define PCI_EA_BEI		0x000000f0 /* BAR Equivalent Indicator */ |
| 385 | |
| 386 | /* EA fixed Secondary and Subordinate bus numbers for Bridge */ |
| 387 | #define PCI_EA_SEC_BUS_MASK	0xff |
| 388 | #define PCI_EA_SUB_BUS_MASK	0xff00 |
| 389 | #define PCI_EA_SUB_BUS_SHIFT	8 |
| 390 | |
| 391 | /* 0-5 map to BARs 0-5 respectively */ |
| 392 | #define PCI_EA_BEI_BAR0		0 |
| 393 | #define PCI_EA_BEI_BAR5		5 |
| 394 | #define PCI_EA_BEI_BRIDGE		6	/* Resource behind bridge */ |
| 395 | #define PCI_EA_BEI_ENI		7	/* Equivalent Not Indicated */ |
| 396 | #define PCI_EA_BEI_ROM		8	/* Expansion ROM */ |
| 397 | /* 9-14 map to VF BARs 0-5 respectively */ |
| 398 | #define PCI_EA_BEI_VF_BAR0		9 |
| 399 | #define PCI_EA_BEI_VF_BAR5		14 |
| 400 | #define PCI_EA_BEI_RESERVED		15	/* Reserved - Treat like ENI */ |
| 401 | #define PCI_EA_PP		0x0000ff00	/* Primary Properties */ |
| 402 | #define PCI_EA_SP		0x00ff0000	/* Secondary Properties */ |
| 403 | #define PCI_EA_P_MEM			0x00	/* Non-Prefetch Memory */ |
| 404 | #define PCI_EA_P_MEM_PREFETCH		0x01	/* Prefetchable Memory */ |
| 405 | #define PCI_EA_P_IO			0x02	/* I/O Space */ |
| 406 | #define PCI_EA_P_VF_MEM_PREFETCH	0x03	/* VF Prefetchable Memory */ |
| 407 | #define PCI_EA_P_VF_MEM		0x04	/* VF Non-Prefetch Memory */ |
| 408 | #define PCI_EA_P_BRIDGE_MEM		0x05	/* Bridge Non-Prefetch Memory */ |
| 409 | #define PCI_EA_P_BRIDGE_MEM_PREFETCH	0x06	/* Bridge Prefetchable Memory */ |
| 410 | #define PCI_EA_P_BRIDGE_IO		0x07	/* Bridge I/O Space */ |
| 411 | /* 0x08-0xfc reserved */ |
| 412 | #define PCI_EA_P_MEM_RESERVED		0xfd	/* Reserved Memory */ |
| 413 | #define PCI_EA_P_IO_RESERVED		0xfe	/* Reserved I/O Space */ |
| 414 | #define PCI_EA_P_UNAVAILABLE		0xff	/* Entry Unavailable */ |
| 415 | #define PCI_EA_WRITABLE	0x40000000	/* Writable: 1 = RW, 0 = HwInit */ |
| 416 | #define PCI_EA_ENABLE		0x80000000	/* Enable for this entry */ |
| 417 | #define PCI_EA_BASE		4		/* Base Address Offset */ |
| 418 | #define PCI_EA_MAX_OFFSET	8		/* MaxOffset (resource length) */ |
| 419 | /* bit 0 is reserved */ |
| 420 | #define PCI_EA_IS_64		0x00000002	/* 64-bit field flag */ |
| 421 | #define PCI_EA_FIELD_MASK	0xfffffffc	/* For Base & Max Offset */ |
| 422 | |
| 423 | /* PCI-X registers (Type 0 (non-bridge) devices) */ |
| 424 | |
| 425 | #define PCI_X_CMD		2	/* Modes & Features */ |
| 426 | #define PCI_X_CMD_DPERR_E	0x0001	/* Data Parity Error Recovery Enable */ |
| 427 | #define PCI_X_CMD_ERO		0x0002	/* Enable Relaxed Ordering */ |
| 428 | #define PCI_X_CMD_READ_512	0x0000	/* 512 byte maximum read byte count */ |
| 429 | #define PCI_X_CMD_READ_1K	0x0004	/* 1Kbyte maximum read byte count */ |
| 430 | #define PCI_X_CMD_READ_2K	0x0008	/* 2Kbyte maximum read byte count */ |
| 431 | #define PCI_X_CMD_READ_4K	0x000c	/* 4Kbyte maximum read byte count */ |
| 432 | #define PCI_X_CMD_MAX_READ	0x000c	/* Max Memory Read Byte Count */ |
| 433 | 				/* Max # of outstanding split transactions */ |
| 434 | #define PCI_X_CMD_SPLIT_1	0x0000	/* Max 1 */ |
| 435 | #define PCI_X_CMD_SPLIT_2	0x0010	/* Max 2 */ |
| 436 | #define PCI_X_CMD_SPLIT_3	0x0020	/* Max 3 */ |
| 437 | #define PCI_X_CMD_SPLIT_4	0x0030	/* Max 4 */ |
| 438 | #define PCI_X_CMD_SPLIT_8	0x0040	/* Max 8 */ |
| 439 | #define PCI_X_CMD_SPLIT_12	0x0050	/* Max 12 */ |
| 440 | #define PCI_X_CMD_SPLIT_16	0x0060	/* Max 16 */ |
| 441 | #define PCI_X_CMD_SPLIT_32	0x0070	/* Max 32 */ |
| 442 | #define PCI_X_CMD_MAX_SPLIT	0x0070	/* Max Outstanding Split Transactions */ |
| 443 | #define PCI_X_CMD_VERSION(x)	(((x) >> 12) & 3) /* Version */ |
| 444 | #define PCI_X_STATUS		4	/* PCI-X capabilities */ |
| 445 | #define PCI_X_STATUS_DEVFN	0x000000ff	/* A copy of devfn */ |
| 446 | #define PCI_X_STATUS_BUS	0x0000ff00	/* A copy of bus nr */ |
| 447 | #define PCI_X_STATUS_64BIT	0x00010000	/* 64-bit device */ |
| 448 | #define PCI_X_STATUS_133MHZ	0x00020000	/* 133 MHz capable */ |
| 449 | #define PCI_X_STATUS_SPL_DISC	0x00040000	/* Split Completion Discarded */ |
| 450 | #define PCI_X_STATUS_UNX_SPL	0x00080000	/* Unexpected Split Completion */ |
| 451 | #define PCI_X_STATUS_COMPLEX	0x00100000	/* Device Complexity */ |
| 452 | #define PCI_X_STATUS_MAX_READ	0x00600000	/* Designed Max Memory Read Count */ |
| 453 | #define PCI_X_STATUS_MAX_SPLIT	0x03800000	/* Designed Max Outstanding Split Transactions */ |
| 454 | #define PCI_X_STATUS_MAX_CUM	0x1c000000	/* Designed Max Cumulative Read Size */ |
| 455 | #define PCI_X_STATUS_SPL_ERR	0x20000000	/* Rcvd Split Completion Error Msg */ |
| 456 | #define PCI_X_STATUS_266MHZ	0x40000000	/* 266 MHz capable */ |
| 457 | #define PCI_X_STATUS_533MHZ	0x80000000	/* 533 MHz capable */ |
| 458 | #define PCI_X_ECC_CSR		8	/* ECC control and status */ |
| 459 | #define PCI_CAP_PCIX_SIZEOF_V0	8	/* size of registers for Version 0 */ |
| 460 | #define PCI_CAP_PCIX_SIZEOF_V1	24	/* size for Version 1 */ |
| 461 | #define PCI_CAP_PCIX_SIZEOF_V2	PCI_CAP_PCIX_SIZEOF_V1	/* Same for v2 */ |
| 462 | |
| 463 | /* PCI-X registers (Type 1 (bridge) devices) */ |
| 464 | |
| 465 | #define PCI_X_BRIDGE_SSTATUS	2	/* Secondary Status */ |
| 466 | #define PCI_X_SSTATUS_64BIT	0x0001	/* Secondary AD interface is 64 bits */ |
| 467 | #define PCI_X_SSTATUS_133MHZ	0x0002	/* 133 MHz capable */ |
| 468 | #define PCI_X_SSTATUS_FREQ	0x03c0	/* Secondary Bus Mode and Frequency */ |
| 469 | #define PCI_X_SSTATUS_VERS	0x3000	/* PCI-X Capability Version */ |
| 470 | #define PCI_X_SSTATUS_V1	0x1000	/* Mode 2, not Mode 1 */ |
| 471 | #define PCI_X_SSTATUS_V2	0x2000	/* Mode 1 or Modes 1 and 2 */ |
| 472 | #define PCI_X_SSTATUS_266MHZ	0x4000	/* 266 MHz capable */ |
| 473 | #define PCI_X_SSTATUS_533MHZ	0x8000	/* 533 MHz capable */ |
| 474 | #define PCI_X_BRIDGE_STATUS	4	/* Bridge Status */ |
| 475 | |
| 476 | /* PCI Bridge Subsystem ID registers */ |
| 477 | |
| 478 | #define PCI_SSVID_VENDOR_ID 4	/* PCI Bridge subsystem vendor ID */ |
| 479 | #define PCI_SSVID_DEVICE_ID 6	/* PCI Bridge subsystem device ID */ |
| 480 | |
| 481 | /* PCI Express capability registers */ |
| 482 | |
| 483 | #define PCI_EXP_FLAGS		0x02	/* Capabilities register */ |
| 484 | #define PCI_EXP_FLAGS_VERS	0x000f	/* Capability version */ |
| 485 | #define PCI_EXP_FLAGS_TYPE	0x00f0	/* Device/Port type */ |
| 486 | #define PCI_EXP_TYPE_ENDPOINT	 0x0	/* Express Endpoint */ |
| 487 | #define PCI_EXP_TYPE_LEG_END	 0x1	/* Legacy Endpoint */ |
| 488 | #define PCI_EXP_TYPE_ROOT_PORT 0x4	/* Root Port */ |
| 489 | #define PCI_EXP_TYPE_UPSTREAM	 0x5	/* Upstream Port */ |
| 490 | #define PCI_EXP_TYPE_DOWNSTREAM 0x6	/* Downstream Port */ |
| 491 | #define PCI_EXP_TYPE_PCI_BRIDGE 0x7	/* PCIe to PCI/PCI-X Bridge */ |
| 492 | #define PCI_EXP_TYPE_PCIE_BRIDGE 0x8	/* PCI/PCI-X to PCIe Bridge */ |
| 493 | #define PCI_EXP_TYPE_RC_END	 0x9	/* Root Complex Integrated Endpoint */ |
| 494 | #define PCI_EXP_TYPE_RC_EC	 0xa	/* Root Complex Event Collector */ |
| 495 | #define PCI_EXP_FLAGS_SLOT	0x0100	/* Slot implemented */ |
| 496 | #define PCI_EXP_FLAGS_IRQ	0x3e00	/* Interrupt message number */ |
| 497 | #define PCI_EXP_FLAGS_FLIT	0x8000	/* Flit Mode Supported */ |
| 498 | #define PCI_EXP_DEVCAP		0x04	/* Device capabilities */ |
| 499 | #define PCI_EXP_DEVCAP_PAYLOAD	0x00000007 /* Max_Payload_Size */ |
| 500 | #define PCI_EXP_DEVCAP_PHANTOM	0x00000018 /* Phantom functions */ |
| 501 | #define PCI_EXP_DEVCAP_EXT_TAG	0x00000020 /* Extended tags */ |
| 502 | #define PCI_EXP_DEVCAP_L0S	0x000001c0 /* L0s Acceptable Latency */ |
| 503 | #define PCI_EXP_DEVCAP_L1	0x00000e00 /* L1 Acceptable Latency */ |
| 504 | #define PCI_EXP_DEVCAP_ATN_BUT	0x00001000 /* Attention Button Present */ |
| 505 | #define PCI_EXP_DEVCAP_ATN_IND	0x00002000 /* Attention Indicator Present */ |
| 506 | #define PCI_EXP_DEVCAP_PWR_IND	0x00004000 /* Power Indicator Present */ |
| 507 | #define PCI_EXP_DEVCAP_RBER	0x00008000 /* Role-Based Error Reporting */ |
| 508 | #define PCI_EXP_DEVCAP_PWR_VAL	0x03fc0000 /* Slot Power Limit Value */ |
| 509 | #define PCI_EXP_DEVCAP_PWR_SCL	0x0c000000 /* Slot Power Limit Scale */ |
| 510 | #define PCI_EXP_DEVCAP_FLR 0x10000000 /* Function Level Reset */ |
| 511 | #define PCI_EXP_DEVCAP_TEE 0x40000000 /* TEE I/O (TDISP) Support */ |
| 512 | #define PCI_EXP_DEVCTL		0x08	/* Device Control */ |
| 513 | #define PCI_EXP_DEVCTL_CERE	0x0001	/* Correctable Error Reporting En. */ |
| 514 | #define PCI_EXP_DEVCTL_NFERE	0x0002	/* Non-Fatal Error Reporting Enable */ |
| 515 | #define PCI_EXP_DEVCTL_FERE	0x0004	/* Fatal Error Reporting Enable */ |
| 516 | #define PCI_EXP_DEVCTL_URRE	0x0008	/* Unsupported Request Reporting En. */ |
| 517 | #define PCI_EXP_DEVCTL_RELAX_EN 0x0010 /* Enable relaxed ordering */ |
| 518 | #define PCI_EXP_DEVCTL_PAYLOAD	0x00e0	/* Max_Payload_Size */ |
| 519 | #define PCI_EXP_DEVCTL_PAYLOAD_128B 0x0000 /* 128 Bytes */ |
| 520 | #define PCI_EXP_DEVCTL_PAYLOAD_256B 0x0020 /* 256 Bytes */ |
| 521 | #define PCI_EXP_DEVCTL_PAYLOAD_512B 0x0040 /* 512 Bytes */ |
| 522 | #define PCI_EXP_DEVCTL_PAYLOAD_1024B 0x0060 /* 1024 Bytes */ |
| 523 | #define PCI_EXP_DEVCTL_PAYLOAD_2048B 0x0080 /* 2048 Bytes */ |
| 524 | #define PCI_EXP_DEVCTL_PAYLOAD_4096B 0x00a0 /* 4096 Bytes */ |
| 525 | #define PCI_EXP_DEVCTL_EXT_TAG	0x0100	/* Extended Tag Field Enable */ |
| 526 | #define PCI_EXP_DEVCTL_PHANTOM	0x0200	/* Phantom Functions Enable */ |
| 527 | #define PCI_EXP_DEVCTL_AUX_PME	0x0400	/* Auxiliary Power PM Enable */ |
| 528 | #define PCI_EXP_DEVCTL_NOSNOOP_EN 0x0800 /* Enable No Snoop */ |
| 529 | #define PCI_EXP_DEVCTL_READRQ	0x7000	/* Max_Read_Request_Size */ |
| 530 | #define PCI_EXP_DEVCTL_READRQ_128B 0x0000 /* 128 Bytes */ |
| 531 | #define PCI_EXP_DEVCTL_READRQ_256B 0x1000 /* 256 Bytes */ |
| 532 | #define PCI_EXP_DEVCTL_READRQ_512B 0x2000 /* 512 Bytes */ |
| 533 | #define PCI_EXP_DEVCTL_READRQ_1024B 0x3000 /* 1024 Bytes */ |
| 534 | #define PCI_EXP_DEVCTL_READRQ_2048B 0x4000 /* 2048 Bytes */ |
| 535 | #define PCI_EXP_DEVCTL_READRQ_4096B 0x5000 /* 4096 Bytes */ |
| 536 | #define PCI_EXP_DEVCTL_BCR_FLR 0x8000 /* Bridge Configuration Retry / FLR */ |
| 537 | #define PCI_EXP_DEVSTA		0x0a	/* Device Status */ |
| 538 | #define PCI_EXP_DEVSTA_CED	0x0001	/* Correctable Error Detected */ |
| 539 | #define PCI_EXP_DEVSTA_NFED	0x0002	/* Non-Fatal Error Detected */ |
| 540 | #define PCI_EXP_DEVSTA_FED	0x0004	/* Fatal Error Detected */ |
| 541 | #define PCI_EXP_DEVSTA_URD	0x0008	/* Unsupported Request Detected */ |
| 542 | #define PCI_EXP_DEVSTA_AUXPD	0x0010	/* AUX Power Detected */ |
| 543 | #define PCI_EXP_DEVSTA_TRPND	0x0020	/* Transactions Pending */ |
| 544 | #define PCI_CAP_EXP_RC_ENDPOINT_SIZEOF_V1	12	/* v1 endpoints without link end here */ |
| 545 | #define PCI_EXP_LNKCAP		0x0c	/* Link Capabilities */ |
| 546 | #define PCI_EXP_LNKCAP_SLS	0x0000000f /* Max Link Speed (prior to PCIe r3.0: Supported Link Speeds) */ |
| 547 | #define PCI_EXP_LNKCAP_SLS_2_5GB 0x00000001 /* LNKCAP2 SLS Vector bit 0 */ |
| 548 | #define PCI_EXP_LNKCAP_SLS_5_0GB 0x00000002 /* LNKCAP2 SLS Vector bit 1 */ |
| 549 | #define PCI_EXP_LNKCAP_SLS_8_0GB 0x00000003 /* LNKCAP2 SLS Vector bit 2 */ |
| 550 | #define PCI_EXP_LNKCAP_SLS_16_0GB 0x00000004 /* LNKCAP2 SLS Vector bit 3 */ |
| 551 | #define PCI_EXP_LNKCAP_SLS_32_0GB 0x00000005 /* LNKCAP2 SLS Vector bit 4 */ |
| 552 | #define PCI_EXP_LNKCAP_SLS_64_0GB 0x00000006 /* LNKCAP2 SLS Vector bit 5 */ |
| 553 | #define PCI_EXP_LNKCAP_MLW	0x000003f0 /* Maximum Link Width */ |
| 554 | #define PCI_EXP_LNKCAP_ASPMS	0x00000c00 /* ASPM Support */ |
| 555 | #define PCI_EXP_LNKCAP_ASPM_L0S 0x00000400 /* ASPM L0s Support */ |
| 556 | #define PCI_EXP_LNKCAP_ASPM_L1 0x00000800 /* ASPM L1 Support */ |
| 557 | #define PCI_EXP_LNKCAP_L0SEL	0x00007000 /* L0s Exit Latency */ |
| 558 | #define PCI_EXP_LNKCAP_L1EL	0x00038000 /* L1 Exit Latency */ |
| 559 | #define PCI_EXP_LNKCAP_CLKPM	0x00040000 /* Clock Power Management */ |
| 560 | #define PCI_EXP_LNKCAP_SDERC	0x00080000 /* Surprise Down Error Reporting Capable */ |
| 561 | #define PCI_EXP_LNKCAP_DLLLARC	0x00100000 /* Data Link Layer Link Active Reporting Capable */ |
| 562 | #define PCI_EXP_LNKCAP_LBNC	0x00200000 /* Link Bandwidth Notification Capability */ |
| 563 | #define PCI_EXP_LNKCAP_PN	0xff000000 /* Port Number */ |
| 564 | #define PCI_EXP_LNKCTL		0x10	/* Link Control */ |
| 565 | #define PCI_EXP_LNKCTL_ASPMC	0x0003	/* ASPM Control */ |
| 566 | #define PCI_EXP_LNKCTL_ASPM_L0S 0x0001	/* L0s Enable */ |
| 567 | #define PCI_EXP_LNKCTL_ASPM_L1 0x0002	/* L1 Enable */ |
| 568 | #define PCI_EXP_LNKCTL_RCB	0x0008	/* Read Completion Boundary */ |
| 569 | #define PCI_EXP_LNKCTL_LD	0x0010	/* Link Disable */ |
| 570 | #define PCI_EXP_LNKCTL_RL	0x0020	/* Retrain Link */ |
| 571 | #define PCI_EXP_LNKCTL_CCC	0x0040	/* Common Clock Configuration */ |
| 572 | #define PCI_EXP_LNKCTL_ES	0x0080	/* Extended Synch */ |
| 573 | #define PCI_EXP_LNKCTL_CLKREQ_EN 0x0100 /* Enable clkreq */ |
| 574 | #define PCI_EXP_LNKCTL_HAWD	0x0200	/* Hardware Autonomous Width Disable */ |
| 575 | #define PCI_EXP_LNKCTL_LBMIE	0x0400	/* Link Bandwidth Management Interrupt Enable */ |
| 576 | #define PCI_EXP_LNKCTL_LABIE	0x0800	/* Link Autonomous Bandwidth Interrupt Enable */ |
| 577 | #define PCI_EXP_LNKSTA		0x12	/* Link Status */ |
| 578 | #define PCI_EXP_LNKSTA_CLS	0x000f	/* Current Link Speed */ |
| 579 | #define PCI_EXP_LNKSTA_CLS_2_5GB 0x0001 /* Current Link Speed 2.5GT/s */ |
| 580 | #define PCI_EXP_LNKSTA_CLS_5_0GB 0x0002 /* Current Link Speed 5.0GT/s */ |
| 581 | #define PCI_EXP_LNKSTA_CLS_8_0GB 0x0003 /* Current Link Speed 8.0GT/s */ |
| 582 | #define PCI_EXP_LNKSTA_CLS_16_0GB 0x0004 /* Current Link Speed 16.0GT/s */ |
| 583 | #define PCI_EXP_LNKSTA_CLS_32_0GB 0x0005 /* Current Link Speed 32.0GT/s */ |
| 584 | #define PCI_EXP_LNKSTA_CLS_64_0GB 0x0006 /* Current Link Speed 64.0GT/s */ |
| 585 | #define PCI_EXP_LNKSTA_NLW	0x03f0	/* Negotiated Link Width */ |
| 586 | #define PCI_EXP_LNKSTA_NLW_X1	0x0010	/* Current Link Width x1 */ |
| 587 | #define PCI_EXP_LNKSTA_NLW_X2	0x0020	/* Current Link Width x2 */ |
| 588 | #define PCI_EXP_LNKSTA_NLW_X4	0x0040	/* Current Link Width x4 */ |
| 589 | #define PCI_EXP_LNKSTA_NLW_X8	0x0080	/* Current Link Width x8 */ |
| 590 | #define PCI_EXP_LNKSTA_NLW_SHIFT 4	/* start of NLW mask in link status */ |
| 591 | #define PCI_EXP_LNKSTA_LT	0x0800	/* Link Training */ |
| 592 | #define PCI_EXP_LNKSTA_SLC	0x1000	/* Slot Clock Configuration */ |
| 593 | #define PCI_EXP_LNKSTA_DLLLA	0x2000	/* Data Link Layer Link Active */ |
| 594 | #define PCI_EXP_LNKSTA_LBMS	0x4000	/* Link Bandwidth Management Status */ |
| 595 | #define PCI_EXP_LNKSTA_LABS	0x8000	/* Link Autonomous Bandwidth Status */ |
| 596 | #define PCI_CAP_EXP_ENDPOINT_SIZEOF_V1	20	/* v1 endpoints with link end here */ |
| 597 | #define PCI_EXP_SLTCAP		0x14	/* Slot Capabilities */ |
| 598 | #define PCI_EXP_SLTCAP_ABP	0x00000001 /* Attention Button Present */ |
| 599 | #define PCI_EXP_SLTCAP_PCP	0x00000002 /* Power Controller Present */ |
| 600 | #define PCI_EXP_SLTCAP_MRLSP	0x00000004 /* MRL Sensor Present */ |
| 601 | #define PCI_EXP_SLTCAP_AIP	0x00000008 /* Attention Indicator Present */ |
| 602 | #define PCI_EXP_SLTCAP_PIP	0x00000010 /* Power Indicator Present */ |
| 603 | #define PCI_EXP_SLTCAP_HPS	0x00000020 /* Hot-Plug Surprise */ |
| 604 | #define PCI_EXP_SLTCAP_HPC	0x00000040 /* Hot-Plug Capable */ |
| 605 | #define PCI_EXP_SLTCAP_SPLV	0x00007f80 /* Slot Power Limit Value */ |
| 606 | #define PCI_EXP_SLTCAP_SPLS	0x00018000 /* Slot Power Limit Scale */ |
| 607 | #define PCI_EXP_SLTCAP_EIP	0x00020000 /* Electromechanical Interlock Present */ |
| 608 | #define PCI_EXP_SLTCAP_NCCS	0x00040000 /* No Command Completed Support */ |
| 609 | #define PCI_EXP_SLTCAP_PSN	0xfff80000 /* Physical Slot Number */ |
| 610 | #define PCI_EXP_SLTCTL		0x18	/* Slot Control */ |
| 611 | #define PCI_EXP_SLTCTL_ABPE	0x0001	/* Attention Button Pressed Enable */ |
| 612 | #define PCI_EXP_SLTCTL_PFDE	0x0002	/* Power Fault Detected Enable */ |
| 613 | #define PCI_EXP_SLTCTL_MRLSCE	0x0004	/* MRL Sensor Changed Enable */ |
| 614 | #define PCI_EXP_SLTCTL_PDCE	0x0008	/* Presence Detect Changed Enable */ |
| 615 | #define PCI_EXP_SLTCTL_CCIE	0x0010	/* Command Completed Interrupt Enable */ |
| 616 | #define PCI_EXP_SLTCTL_HPIE	0x0020	/* Hot-Plug Interrupt Enable */ |
| 617 | #define PCI_EXP_SLTCTL_AIC	0x00c0	/* Attention Indicator Control */ |
| 618 | #define PCI_EXP_SLTCTL_ATTN_IND_SHIFT 6 /* Attention Indicator shift */ |
| 619 | #define PCI_EXP_SLTCTL_ATTN_IND_ON 0x0040 /* Attention Indicator on */ |
| 620 | #define PCI_EXP_SLTCTL_ATTN_IND_BLINK 0x0080 /* Attention Indicator blinking */ |
| 621 | #define PCI_EXP_SLTCTL_ATTN_IND_OFF 0x00c0 /* Attention Indicator off */ |
| 622 | #define PCI_EXP_SLTCTL_PIC	0x0300	/* Power Indicator Control */ |
| 623 | #define PCI_EXP_SLTCTL_PWR_IND_ON 0x0100 /* Power Indicator on */ |
| 624 | #define PCI_EXP_SLTCTL_PWR_IND_BLINK 0x0200 /* Power Indicator blinking */ |
| 625 | #define PCI_EXP_SLTCTL_PWR_IND_OFF 0x0300 /* Power Indicator off */ |
| 626 | #define PCI_EXP_SLTCTL_PCC	0x0400	/* Power Controller Control */ |
| 627 | #define PCI_EXP_SLTCTL_PWR_ON 0x0000 /* Power On */ |
| 628 | #define PCI_EXP_SLTCTL_PWR_OFF 0x0400 /* Power Off */ |
| 629 | #define PCI_EXP_SLTCTL_EIC	0x0800	/* Electromechanical Interlock Control */ |
| 630 | #define PCI_EXP_SLTCTL_DLLSCE	0x1000	/* Data Link Layer State Changed Enable */ |
| 631 | #define PCI_EXP_SLTCTL_ASPL_DISABLE	0x2000 /* Auto Slot Power Limit Disable */ |
| 632 | #define PCI_EXP_SLTCTL_IBPD_DISABLE	0x4000 /* In-band PD disable */ |
| 633 | #define PCI_EXP_SLTSTA		0x1a	/* Slot Status */ |
| 634 | #define PCI_EXP_SLTSTA_ABP	0x0001	/* Attention Button Pressed */ |
| 635 | #define PCI_EXP_SLTSTA_PFD	0x0002	/* Power Fault Detected */ |
| 636 | #define PCI_EXP_SLTSTA_MRLSC	0x0004	/* MRL Sensor Changed */ |
| 637 | #define PCI_EXP_SLTSTA_PDC	0x0008	/* Presence Detect Changed */ |
| 638 | #define PCI_EXP_SLTSTA_CC	0x0010	/* Command Completed */ |
| 639 | #define PCI_EXP_SLTSTA_MRLSS	0x0020	/* MRL Sensor State */ |
| 640 | #define PCI_EXP_SLTSTA_PDS	0x0040	/* Presence Detect State */ |
| 641 | #define PCI_EXP_SLTSTA_EIS	0x0080	/* Electromechanical Interlock Status */ |
| 642 | #define PCI_EXP_SLTSTA_DLLSC	0x0100	/* Data Link Layer State Changed */ |
| 643 | #define PCI_EXP_RTCTL		0x1c	/* Root Control */ |
| 644 | #define PCI_EXP_RTCTL_SECEE	0x0001	/* System Error on Correctable Error */ |
| 645 | #define PCI_EXP_RTCTL_SENFEE	0x0002	/* System Error on Non-Fatal Error */ |
| 646 | #define PCI_EXP_RTCTL_SEFEE	0x0004	/* System Error on Fatal Error */ |
| 647 | #define PCI_EXP_RTCTL_PMEIE	0x0008	/* PME Interrupt Enable */ |
| 648 | #define PCI_EXP_RTCTL_RRS_SVE	0x0010	/* Config RRS Software Visibility Enable */ |
| 649 | #define PCI_EXP_RTCTL_CRSSVE PCI_EXP_RTCTL_RRS_SVE /* compatibility */ |
| 650 | #define PCI_EXP_RTCAP		0x1e	/* Root Capabilities */ |
| 651 | #define PCI_EXP_RTCAP_RRS_SV	0x0001	/* Config RRS Software Visibility */ |
| 652 | #define PCI_EXP_RTCAP_CRSVIS PCI_EXP_RTCAP_RRS_SV /* compatibility */ |
| 653 | #define PCI_EXP_RTSTA		0x20	/* Root Status */ |
| 654 | #define PCI_EXP_RTSTA_PME_RQ_ID 0x0000ffff /* PME Requester ID */ |
| 655 | #define PCI_EXP_RTSTA_PME	0x00010000 /* PME status */ |
| 656 | #define PCI_EXP_RTSTA_PENDING	0x00020000 /* PME pending */ |
| 657 | /* |
| 658 | * The Device Capabilities 2, Device Status 2, Device Control 2, |
| 659 | * Link Capabilities 2, Link Status 2, Link Control 2, |
| 660 | * Slot Capabilities 2, Slot Status 2, and Slot Control 2 registers |
| 661 | * are only present on devices with PCIe Capability version 2. |
| 662 | * Use pcie_capability_read_word() and similar interfaces to use them |
| 663 | * safely. |
| 664 | */ |
| 665 | #define PCI_EXP_DEVCAP2		0x24	/* Device Capabilities 2 */ |
| 666 | #define PCI_EXP_DEVCAP2_COMP_TMOUT_DIS	0x00000010 /* Completion Timeout Disable supported */ |
| 667 | #define PCI_EXP_DEVCAP2_ARI		0x00000020 /* Alternative Routing-ID */ |
| 668 | #define PCI_EXP_DEVCAP2_ATOMIC_ROUTE	0x00000040 /* Atomic Op routing */ |
| 669 | #define PCI_EXP_DEVCAP2_ATOMIC_COMP32	0x00000080 /* 32b AtomicOp completion */ |
| 670 | #define PCI_EXP_DEVCAP2_ATOMIC_COMP64	0x00000100 /* 64b AtomicOp completion */ |
| 671 | #define PCI_EXP_DEVCAP2_ATOMIC_COMP128	0x00000200 /* 128b AtomicOp completion */ |
| 672 | #define PCI_EXP_DEVCAP2_LTR		0x00000800 /* Latency tolerance reporting */ |
| 673 | #define PCI_EXP_DEVCAP2_TPH_COMP_MASK	0x00003000 /* TPH completer support */ |
| 674 | #define PCI_EXP_DEVCAP2_OBFF_MASK	0x000c0000 /* OBFF support mechanism */ |
| 675 | #define PCI_EXP_DEVCAP2_OBFF_MSG	0x00040000 /* New message signaling */ |
| 676 | #define PCI_EXP_DEVCAP2_OBFF_WAKE	0x00080000 /* Re-use WAKE# for OBFF */ |
| 677 | #define PCI_EXP_DEVCAP2_EE_PREFIX	0x00200000 /* End-End TLP Prefix */ |
| 678 | #define PCI_EXP_DEVCAP2_EE_PREFIX_MAX	0x00c00000 /* Max End-End TLP Prefixes */ |
| 679 | #define PCI_EXP_DEVCTL2		0x28	/* Device Control 2 */ |
| 680 | #define PCI_EXP_DEVCTL2_COMP_TIMEOUT	0x000f	/* Completion Timeout Value */ |
| 681 | #define PCI_EXP_DEVCTL2_COMP_TMOUT_DIS	0x0010	/* Completion Timeout Disable */ |
| 682 | #define PCI_EXP_DEVCTL2_ARI		0x0020	/* Alternative Routing-ID */ |
| 683 | #define PCI_EXP_DEVCTL2_ATOMIC_REQ	0x0040	/* Set Atomic requests */ |
| 684 | #define PCI_EXP_DEVCTL2_ATOMIC_EGRESS_BLOCK 0x0080 /* Block atomic egress */ |
| 685 | #define PCI_EXP_DEVCTL2_IDO_REQ_EN	0x0100	/* Allow IDO for requests */ |
| 686 | #define PCI_EXP_DEVCTL2_IDO_CMP_EN	0x0200	/* Allow IDO for completions */ |
| 687 | #define PCI_EXP_DEVCTL2_LTR_EN		0x0400	/* Enable LTR mechanism */ |
| 688 | #define PCI_EXP_DEVCTL2_OBFF_MSGA_EN	0x2000	/* Enable OBFF Message type A */ |
| 689 | #define PCI_EXP_DEVCTL2_OBFF_MSGB_EN	0x4000	/* Enable OBFF Message type B */ |
| 690 | #define PCI_EXP_DEVCTL2_OBFF_WAKE_EN	0x6000	/* OBFF using WAKE# signaling */ |
| 691 | #define PCI_EXP_DEVSTA2		0x2a	/* Device Status 2 */ |
| 692 | #define PCI_CAP_EXP_RC_ENDPOINT_SIZEOF_V2 0x2c	/* end of v2 EPs w/o link */ |
| 693 | #define PCI_EXP_LNKCAP2		0x2c	/* Link Capabilities 2 */ |
| 694 | #define PCI_EXP_LNKCAP2_SLS		0x000000fe /* Supported Link Speeds Vector */ |
| 695 | #define PCI_EXP_LNKCAP2_SLS_2_5GB	0x00000002 /* Supported Speed 2.5GT/s */ |
| 696 | #define PCI_EXP_LNKCAP2_SLS_5_0GB	0x00000004 /* Supported Speed 5GT/s */ |
| 697 | #define PCI_EXP_LNKCAP2_SLS_8_0GB	0x00000008 /* Supported Speed 8GT/s */ |
| 698 | #define PCI_EXP_LNKCAP2_SLS_16_0GB	0x00000010 /* Supported Speed 16GT/s */ |
| 699 | #define PCI_EXP_LNKCAP2_SLS_32_0GB	0x00000020 /* Supported Speed 32GT/s */ |
| 700 | #define PCI_EXP_LNKCAP2_SLS_64_0GB	0x00000040 /* Supported Speed 64GT/s */ |
| 701 | #define PCI_EXP_LNKCAP2_CROSSLINK	0x00000100 /* Crosslink supported */ |
| 702 | #define PCI_EXP_LNKCTL2		0x30	/* Link Control 2 */ |
| 703 | #define PCI_EXP_LNKCTL2_TLS		0x000f |
| 704 | #define PCI_EXP_LNKCTL2_TLS_2_5GT	0x0001 /* Supported Speed 2.5GT/s */ |
| 705 | #define PCI_EXP_LNKCTL2_TLS_5_0GT	0x0002 /* Supported Speed 5GT/s */ |
| 706 | #define PCI_EXP_LNKCTL2_TLS_8_0GT	0x0003 /* Supported Speed 8GT/s */ |
| 707 | #define PCI_EXP_LNKCTL2_TLS_16_0GT	0x0004 /* Supported Speed 16GT/s */ |
| 708 | #define PCI_EXP_LNKCTL2_TLS_32_0GT	0x0005 /* Supported Speed 32GT/s */ |
| 709 | #define PCI_EXP_LNKCTL2_TLS_64_0GT	0x0006 /* Supported Speed 64GT/s */ |
| 710 | #define PCI_EXP_LNKCTL2_ENTER_COMP	0x0010 /* Enter Compliance */ |
| 711 | #define PCI_EXP_LNKCTL2_TX_MARGIN	0x0380 /* Transmit Margin */ |
| 712 | #define PCI_EXP_LNKCTL2_HASD		0x0020 /* HW Autonomous Speed Disable */ |
| 713 | #define PCI_EXP_LNKSTA2		0x32	/* Link Status 2 */ |
| 714 | #define PCI_EXP_LNKSTA2_FLIT		0x0400 /* Flit Mode Status */ |
| 715 | #define PCI_CAP_EXP_ENDPOINT_SIZEOF_V2	0x34	/* end of v2 EPs w/ link */ |
| 716 | #define PCI_EXP_SLTCAP2		0x34	/* Slot Capabilities 2 */ |
| 717 | #define PCI_EXP_SLTCAP2_IBPD	0x00000001 /* In-band PD Disable Supported */ |
| 718 | #define PCI_EXP_SLTCTL2		0x38	/* Slot Control 2 */ |
| 719 | #define PCI_EXP_SLTSTA2		0x3a	/* Slot Status 2 */ |
| 720 | |
| 721 | /* Extended Capabilities (PCI-X 2.0 and Express) */ |
| 722 | #define PCI_EXT_CAP_ID(header)		(header & 0x0000ffff) |
| 723 | #define PCI_EXT_CAP_VER(header)		((header >> 16) & 0xf) |
| 724 | #define PCI_EXT_CAP_NEXT(header)	((header >> 20) & 0xffc) |
| 725 | |
| 726 | #define PCI_EXT_CAP_ID_ERR	0x01	/* Advanced Error Reporting */ |
| 727 | #define PCI_EXT_CAP_ID_VC	0x02	/* Virtual Channel Capability */ |
| 728 | #define PCI_EXT_CAP_ID_DSN	0x03	/* Device Serial Number */ |
| 729 | #define PCI_EXT_CAP_ID_PWR	0x04	/* Power Budgeting */ |
| 730 | #define PCI_EXT_CAP_ID_RCLD	0x05	/* Root Complex Link Declaration */ |
| 731 | #define PCI_EXT_CAP_ID_RCILC	0x06	/* Root Complex Internal Link Control */ |
| 732 | #define PCI_EXT_CAP_ID_RCEC	0x07	/* Root Complex Event Collector */ |
| 733 | #define PCI_EXT_CAP_ID_MFVC	0x08	/* Multi-Function VC Capability */ |
| 734 | #define PCI_EXT_CAP_ID_VC9	0x09	/* same as _VC */ |
| 735 | #define PCI_EXT_CAP_ID_RCRB	0x0A	/* Root Complex RB? */ |
| 736 | #define PCI_EXT_CAP_ID_VNDR	0x0B	/* Vendor-Specific */ |
| 737 | #define PCI_EXT_CAP_ID_CAC	0x0C	/* Config Access - obsolete */ |
| 738 | #define PCI_EXT_CAP_ID_ACS	0x0D	/* Access Control Services */ |
| 739 | #define PCI_EXT_CAP_ID_ARI	0x0E	/* Alternate Routing ID */ |
| 740 | #define PCI_EXT_CAP_ID_ATS	0x0F	/* Address Translation Services */ |
| 741 | #define PCI_EXT_CAP_ID_SRIOV	0x10	/* Single Root I/O Virtualization */ |
| 742 | #define PCI_EXT_CAP_ID_MRIOV	0x11	/* Multi Root I/O Virtualization */ |
| 743 | #define PCI_EXT_CAP_ID_MCAST	0x12	/* Multicast */ |
| 744 | #define PCI_EXT_CAP_ID_PRI	0x13	/* Page Request Interface */ |
| 745 | #define PCI_EXT_CAP_ID_AMD_XXX	0x14	/* Reserved for AMD */ |
| 746 | #define PCI_EXT_CAP_ID_REBAR	0x15	/* Resizable BAR */ |
| 747 | #define PCI_EXT_CAP_ID_DPA	0x16	/* Dynamic Power Allocation */ |
| 748 | #define PCI_EXT_CAP_ID_TPH	0x17	/* TPH Requester */ |
| 749 | #define PCI_EXT_CAP_ID_LTR	0x18	/* Latency Tolerance Reporting */ |
| 750 | #define PCI_EXT_CAP_ID_SECPCI	0x19	/* Secondary PCIe Capability */ |
| 751 | #define PCI_EXT_CAP_ID_PMUX	0x1A	/* Protocol Multiplexing */ |
| 752 | #define PCI_EXT_CAP_ID_PASID	0x1B	/* Process Address Space ID */ |
| 753 | #define PCI_EXT_CAP_ID_DPC	0x1D	/* Downstream Port Containment */ |
| 754 | #define PCI_EXT_CAP_ID_L1SS	0x1E	/* L1 PM Substates */ |
| 755 | #define PCI_EXT_CAP_ID_PTM	0x1F	/* Precision Time Measurement */ |
| 756 | #define PCI_EXT_CAP_ID_DVSEC	0x23	/* Designated Vendor-Specific */ |
| 757 | #define PCI_EXT_CAP_ID_VF_REBAR 0x24	/* VF Resizable BAR */ |
| 758 | #define PCI_EXT_CAP_ID_DLF	0x25	/* Data Link Feature */ |
| 759 | #define PCI_EXT_CAP_ID_PL_16GT	0x26	/* Physical Layer 16.0 GT/s */ |
| 760 | #define PCI_EXT_CAP_ID_NPEM	0x29	/* Native PCIe Enclosure Management */ |
| 761 | #define PCI_EXT_CAP_ID_PL_32GT 0x2A /* Physical Layer 32.0 GT/s */ |
| 762 | #define PCI_EXT_CAP_ID_DOE	0x2E	/* Data Object Exchange */ |
| 763 | #define PCI_EXT_CAP_ID_DEV3	0x2F	/* Device 3 Capability/Control/Status */ |
| 764 | #define PCI_EXT_CAP_ID_IDE	0x30 /* Integrity and Data Encryption */ |
| 765 | #define PCI_EXT_CAP_ID_PL_64GT	0x31	/* Physical Layer 64.0 GT/s */ |
| 766 | #define PCI_EXT_CAP_ID_MAX	PCI_EXT_CAP_ID_PL_64GT |
| 767 | |
| 768 | #define PCI_EXT_CAP_DSN_SIZEOF	12 |
| 769 | #define PCI_EXT_CAP_MCAST_ENDPOINT_SIZEOF 40 |
| 770 | |
| 771 | /* Advanced Error Reporting */ |
| 772 | #define PCI_ERR_UNCOR_STATUS	0x04	/* Uncorrectable Error Status */ |
| 773 | #define PCI_ERR_UNC_UND	0x00000001	/* Undefined */ |
| 774 | #define PCI_ERR_UNC_DLP	0x00000010	/* Data Link Protocol */ |
| 775 | #define PCI_ERR_UNC_SURPDN	0x00000020	/* Surprise Down */ |
| 776 | #define PCI_ERR_UNC_POISON_TLP	0x00001000	/* Poisoned TLP */ |
| 777 | #define PCI_ERR_UNC_FCP	0x00002000	/* Flow Control Protocol */ |
| 778 | #define PCI_ERR_UNC_COMP_TIME	0x00004000	/* Completion Timeout */ |
| 779 | #define PCI_ERR_UNC_COMP_ABORT	0x00008000	/* Completer Abort */ |
| 780 | #define PCI_ERR_UNC_UNX_COMP	0x00010000	/* Unexpected Completion */ |
| 781 | #define PCI_ERR_UNC_RX_OVER	0x00020000	/* Receiver Overflow */ |
| 782 | #define PCI_ERR_UNC_MALF_TLP	0x00040000	/* Malformed TLP */ |
| 783 | #define PCI_ERR_UNC_ECRC	0x00080000	/* ECRC Error Status */ |
| 784 | #define PCI_ERR_UNC_UNSUP	0x00100000	/* Unsupported Request */ |
| 785 | #define PCI_ERR_UNC_ACSV	0x00200000	/* ACS Violation */ |
| 786 | #define PCI_ERR_UNC_INTN	0x00400000	/* internal error */ |
| 787 | #define PCI_ERR_UNC_MCBTLP	0x00800000	/* MC blocked TLP */ |
| 788 | #define PCI_ERR_UNC_ATOMEG	0x01000000	/* Atomic egress blocked */ |
| 789 | #define PCI_ERR_UNC_TLPPRE	0x02000000	/* TLP prefix blocked */ |
| 790 | #define PCI_ERR_UNC_POISON_BLK	0x04000000	/* Poisoned TLP Egress Blocked */ |
| 791 | #define PCI_ERR_UNC_DMWR_BLK	0x08000000	/* DMWr Request Egress Blocked */ |
| 792 | #define PCI_ERR_UNC_IDE_CHECK	0x10000000	/* IDE Check Failed */ |
| 793 | #define PCI_ERR_UNC_MISR_IDE	0x20000000	/* Misrouted IDE TLP */ |
| 794 | #define PCI_ERR_UNC_PCRC_CHECK	0x40000000	/* PCRC Check Failed */ |
| 795 | #define PCI_ERR_UNC_XLAT_BLK	0x80000000	/* TLP Translation Egress Blocked */ |
| 796 | #define PCI_ERR_UNCOR_MASK	0x08	/* Uncorrectable Error Mask */ |
| 797 | 	/* Same bits as above */ |
| 798 | #define PCI_ERR_UNCOR_SEVER	0x0c	/* Uncorrectable Error Severity */ |
| 799 | 	/* Same bits as above */ |
| 800 | #define PCI_ERR_COR_STATUS	0x10	/* Correctable Error Status */ |
| 801 | #define PCI_ERR_COR_RCVR	0x00000001	/* Receiver Error Status */ |
| 802 | #define PCI_ERR_COR_BAD_TLP	0x00000040	/* Bad TLP Status */ |
| 803 | #define PCI_ERR_COR_BAD_DLLP	0x00000080	/* Bad DLLP Status */ |
| 804 | #define PCI_ERR_COR_REP_ROLL	0x00000100	/* REPLAY_NUM Rollover */ |
| 805 | #define PCI_ERR_COR_REP_TIMER	0x00001000	/* Replay Timer Timeout */ |
| 806 | #define PCI_ERR_COR_ADV_NFAT	0x00002000	/* Advisory Non-Fatal */ |
| 807 | #define PCI_ERR_COR_INTERNAL	0x00004000	/* Corrected Internal */ |
| 808 | #define PCI_ERR_COR_LOG_OVER	0x00008000	/* Header Log Overflow */ |
| 809 | #define PCI_ERR_COR_MASK	0x14	/* Correctable Error Mask */ |
| 810 | 	/* Same bits as above */ |
| 811 | #define PCI_ERR_CAP		0x18	/* Advanced Error Capabilities & Ctrl*/ |
| 812 | #define PCI_ERR_CAP_FEP(x)	((x) & 0x1f)	/* First Error Pointer */ |
| 813 | #define PCI_ERR_CAP_ECRC_GENC		0x00000020 /* ECRC Generation Capable */ |
| 814 | #define PCI_ERR_CAP_ECRC_GENE		0x00000040 /* ECRC Generation Enable */ |
| 815 | #define PCI_ERR_CAP_ECRC_CHKC		0x00000080 /* ECRC Check Capable */ |
| 816 | #define PCI_ERR_CAP_ECRC_CHKE		0x00000100 /* ECRC Check Enable */ |
| 817 | #define PCI_ERR_CAP_PREFIX_LOG_PRESENT	0x00000800 /* TLP Prefix Log Present */ |
| 818 | #define PCI_ERR_CAP_COMP_TIME_LOG	0x00001000 /* Completion Timeout Prefix/Header Log Capable */ |
| 819 | #define PCI_ERR_CAP_TLP_LOG_FLIT	0x00040000 /* TLP was logged in Flit Mode */ |
| 820 | #define PCI_ERR_CAP_TLP_LOG_SIZE	0x00f80000 /* Logged TLP Size (only in Flit mode) */ |
| 821 | #define PCI_ERR_HEADER_LOG	0x1c	/* Header Log Register (16 bytes) */ |
| 822 | #define PCI_ERR_ROOT_COMMAND	0x2c	/* Root Error Command */ |
| 823 | #define PCI_ERR_ROOT_CMD_COR_EN	0x00000001 /* Correctable Err Reporting Enable */ |
| 824 | #define PCI_ERR_ROOT_CMD_NONFATAL_EN	0x00000002 /* Non-Fatal Err Reporting Enable */ |
| 825 | #define PCI_ERR_ROOT_CMD_FATAL_EN	0x00000004 /* Fatal Err Reporting Enable */ |
| 826 | #define PCI_ERR_ROOT_STATUS	0x30 |
| 827 | #define PCI_ERR_ROOT_COR_RCV		0x00000001 /* ERR_COR Received */ |
| 828 | #define PCI_ERR_ROOT_MULTI_COR_RCV	0x00000002 /* Multiple ERR_COR */ |
| 829 | #define PCI_ERR_ROOT_UNCOR_RCV		0x00000004 /* ERR_FATAL/NONFATAL */ |
| 830 | #define PCI_ERR_ROOT_MULTI_UNCOR_RCV	0x00000008 /* Multiple FATAL/NONFATAL */ |
| 831 | #define PCI_ERR_ROOT_FIRST_FATAL	0x00000010 /* First UNC is Fatal */ |
| 832 | #define PCI_ERR_ROOT_NONFATAL_RCV	0x00000020 /* Non-Fatal Received */ |
| 833 | #define PCI_ERR_ROOT_FATAL_RCV		0x00000040 /* Fatal Received */ |
| 834 | #define PCI_ERR_ROOT_AER_IRQ		0xf8000000 /* Advanced Error Interrupt Message Number */ |
| 835 | #define PCI_ERR_ROOT_ERR_SRC	0x34	/* Error Source Identification */ |
| 836 | #define PCI_ERR_PREFIX_LOG	0x38	/* TLP Prefix LOG Register (up to 16 bytes) */ |
| 837 | |
| 838 | /* Virtual Channel */ |
| 839 | #define PCI_VC_PORT_CAP1	0x04 |
| 840 | #define PCI_VC_CAP1_EVCC	0x00000007	/* extended VC count */ |
| 841 | #define PCI_VC_CAP1_LPEVCC	0x00000070	/* low prio extended VC count */ |
| 842 | #define PCI_VC_CAP1_ARB_SIZE	0x00000c00 |
| 843 | #define PCI_VC_PORT_CAP2	0x08 |
| 844 | #define PCI_VC_CAP2_32_PHASE		0x00000002 |
| 845 | #define PCI_VC_CAP2_64_PHASE		0x00000004 |
| 846 | #define PCI_VC_CAP2_128_PHASE		0x00000008 |
| 847 | #define PCI_VC_CAP2_ARB_OFF		0xff000000 |
| 848 | #define PCI_VC_PORT_CTRL	0x0c |
| 849 | #define PCI_VC_PORT_CTRL_LOAD_TABLE	0x00000001 |
| 850 | #define PCI_VC_PORT_STATUS	0x0e |
| 851 | #define PCI_VC_PORT_STATUS_TABLE	0x00000001 |
| 852 | #define PCI_VC_RES_CAP		0x10 |
| 853 | #define PCI_VC_RES_CAP_32_PHASE	0x00000002 |
| 854 | #define PCI_VC_RES_CAP_64_PHASE	0x00000004 |
| 855 | #define PCI_VC_RES_CAP_128_PHASE	0x00000008 |
| 856 | #define PCI_VC_RES_CAP_128_PHASE_TB	0x00000010 |
| 857 | #define PCI_VC_RES_CAP_256_PHASE	0x00000020 |
| 858 | #define PCI_VC_RES_CAP_ARB_OFF		0xff000000 |
| 859 | #define PCI_VC_RES_CTRL		0x14 |
| 860 | #define PCI_VC_RES_CTRL_LOAD_TABLE	0x00010000 |
| 861 | #define PCI_VC_RES_CTRL_ARB_SELECT	0x000e0000 |
| 862 | #define PCI_VC_RES_CTRL_ID		0x07000000 |
| 863 | #define PCI_VC_RES_CTRL_ENABLE		0x80000000 |
| 864 | #define PCI_VC_RES_STATUS	0x1a |
| 865 | #define PCI_VC_RES_STATUS_TABLE	0x00000001 |
| 866 | #define PCI_VC_RES_STATUS_NEGO		0x00000002 |
| 867 | #define PCI_CAP_VC_BASE_SIZEOF		0x10 |
| 868 | #define PCI_CAP_VC_PER_VC_SIZEOF	0x0c |
| 869 | |
| 870 | /* Power Budgeting */ |
| 871 | #define PCI_PWR_DSR		0x04	/* Data Select Register */ |
| 872 | #define PCI_PWR_DATA		0x08	/* Data Register */ |
| 873 | #define PCI_PWR_DATA_BASE(x)	((x) & 0xff)	 /* Base Power */ |
| 874 | #define PCI_PWR_DATA_SCALE(x)	(((x) >> 8) & 3) /* Data Scale */ |
| 875 | #define PCI_PWR_DATA_PM_SUB(x)	(((x) >> 10) & 7) /* PM Sub State */ |
| 876 | #define PCI_PWR_DATA_PM_STATE(x) (((x) >> 13) & 3) /* PM State */ |
| 877 | #define PCI_PWR_DATA_TYPE(x)	(((x) >> 15) & 7) /* Type */ |
| 878 | #define PCI_PWR_DATA_RAIL(x)	(((x) >> 18) & 7) /* Power Rail */ |
| 879 | #define PCI_PWR_CAP		0x0c	/* Capability */ |
| 880 | #define PCI_PWR_CAP_BUDGET(x)	((x) & 1)	/* Included in system budget */ |
| 881 | #define PCI_EXT_CAP_PWR_SIZEOF	0x10 |
| 882 | |
| 883 | /* Root Complex Event Collector Endpoint Association */ |
| 884 | #define PCI_RCEC_RCIEP_BITMAP	4	/* Associated Bitmap for RCiEPs */ |
| 885 | #define PCI_RCEC_BUSN		8	/* RCEC Associated Bus Numbers */ |
| 886 | #define PCI_RCEC_BUSN_REG_VER	0x02	/* Least version with BUSN present */ |
| 887 | #define PCI_RCEC_BUSN_NEXT(x)	(((x) >> 8) & 0xff) |
| 888 | #define PCI_RCEC_BUSN_LAST(x)	(((x) >> 16) & 0xff) |
| 889 | |
| 890 | /* Vendor-Specific (VSEC, PCI_EXT_CAP_ID_VNDR) */ |
| 891 | #define PCI_VNDR_HEADER		4	/* Vendor-Specific Header */ |
| 892 | #define PCI_VNDR_HEADER_ID(x)	((x) & 0xffff) |
| 893 | #define PCI_VNDR_HEADER_REV(x)	(((x) >> 16) & 0xf) |
| 894 | #define PCI_VNDR_HEADER_LEN(x)	(((x) >> 20) & 0xfff) |
| 895 | |
| 896 | /* |
| 897 | * HyperTransport sub capability types |
| 898 | * |
| 899 | * Unfortunately there are both 3 bit and 5 bit capability types defined |
| 900 | * in the HT spec, catering for that is a little messy. You probably don't |
| 901 | * want to use these directly, just use pci_find_ht_capability() and it |
| 902 | * will do the right thing for you. |
| 903 | */ |
| 904 | #define HT_3BIT_CAP_MASK	0xE0 |
| 905 | #define HT_CAPTYPE_SLAVE	0x00	/* Slave/Primary link configuration */ |
| 906 | #define HT_CAPTYPE_HOST		0x20	/* Host/Secondary link configuration */ |
| 907 | |
| 908 | #define HT_5BIT_CAP_MASK	0xF8 |
| 909 | #define HT_CAPTYPE_IRQ		0x80	/* IRQ Configuration */ |
| 910 | #define HT_CAPTYPE_REMAPPING_40	0xA0	/* 40 bit address remapping */ |
| 911 | #define HT_CAPTYPE_REMAPPING_64 0xA2	/* 64 bit address remapping */ |
| 912 | #define HT_CAPTYPE_UNITID_CLUMP	0x90	/* Unit ID clumping */ |
| 913 | #define HT_CAPTYPE_EXTCONF	0x98	/* Extended Configuration Space Access */ |
| 914 | #define HT_CAPTYPE_MSI_MAPPING	0xA8	/* MSI Mapping Capability */ |
| 915 | #define HT_MSI_FLAGS		0x02		/* Offset to flags */ |
| 916 | #define HT_MSI_FLAGS_ENABLE	0x1		/* Mapping enable */ |
| 917 | #define HT_MSI_FLAGS_FIXED	0x2		/* Fixed mapping only */ |
| 918 | #define HT_MSI_FIXED_ADDR	0x00000000FEE00000ULL	/* Fixed addr */ |
| 919 | #define HT_MSI_ADDR_LO		0x04		/* Offset to low addr bits */ |
| 920 | #define HT_MSI_ADDR_LO_MASK	0xFFF00000	/* Low address bit mask */ |
| 921 | #define HT_MSI_ADDR_HI		0x08		/* Offset to high addr bits */ |
| 922 | #define HT_CAPTYPE_DIRECT_ROUTE	0xB0	/* Direct routing configuration */ |
| 923 | #define HT_CAPTYPE_VCSET	0xB8	/* Virtual Channel configuration */ |
| 924 | #define HT_CAPTYPE_ERROR_RETRY	0xC0	/* Retry on error configuration */ |
| 925 | #define HT_CAPTYPE_GEN3		0xD0	/* Generation 3 HyperTransport configuration */ |
| 926 | #define HT_CAPTYPE_PM		0xE0	/* HyperTransport power management configuration */ |
| 927 | #define HT_CAP_SIZEOF_LONG	28	/* slave & primary */ |
| 928 | #define HT_CAP_SIZEOF_SHORT	24	/* host & secondary */ |
| 929 | |
| 930 | /* Alternative Routing-ID Interpretation */ |
| 931 | #define PCI_ARI_CAP		0x04	/* ARI Capability Register */ |
| 932 | #define PCI_ARI_CAP_MFVC	0x0001	/* MFVC Function Groups Capability */ |
| 933 | #define PCI_ARI_CAP_ACS	0x0002	/* ACS Function Groups Capability */ |
| 934 | #define PCI_ARI_CAP_NFN(x)	(((x) >> 8) & 0xff) /* Next Function Number */ |
| 935 | #define PCI_ARI_CTRL		0x06	/* ARI Control Register */ |
| 936 | #define PCI_ARI_CTRL_MFVC	0x0001	/* MFVC Function Groups Enable */ |
| 937 | #define PCI_ARI_CTRL_ACS	0x0002	/* ACS Function Groups Enable */ |
| 938 | #define PCI_ARI_CTRL_FG(x)	(((x) >> 4) & 7) /* Function Group */ |
| 939 | #define PCI_EXT_CAP_ARI_SIZEOF	8 |
| 940 | |
| 941 | /* Address Translation Service */ |
| 942 | #define PCI_ATS_CAP		0x04	/* ATS Capability Register */ |
| 943 | #define PCI_ATS_CAP_QDEP(x)	((x) & 0x1f)	/* Invalidate Queue Depth */ |
| 944 | #define PCI_ATS_MAX_QDEP	32	/* Max Invalidate Queue Depth */ |
| 945 | #define PCI_ATS_CAP_PAGE_ALIGNED	0x0020 /* Page Aligned Request */ |
| 946 | #define PCI_ATS_CTRL		0x06	/* ATS Control Register */ |
| 947 | #define PCI_ATS_CTRL_ENABLE	0x8000	/* ATS Enable */ |
| 948 | #define PCI_ATS_CTRL_STU(x)	((x) & 0x1f)	/* Smallest Translation Unit */ |
| 949 | #define PCI_ATS_MIN_STU	12	/* shift of minimum STU block */ |
| 950 | #define PCI_EXT_CAP_ATS_SIZEOF	8 |
| 951 | |
| 952 | /* Page Request Interface */ |
| 953 | #define PCI_PRI_CTRL		0x04	/* PRI control register */ |
| 954 | #define PCI_PRI_CTRL_ENABLE	0x0001	/* Enable */ |
| 955 | #define PCI_PRI_CTRL_RESET	0x0002	/* Reset */ |
| 956 | #define PCI_PRI_STATUS		0x06	/* PRI status register */ |
| 957 | #define PCI_PRI_STATUS_RF	0x0001	/* Response Failure */ |
| 958 | #define PCI_PRI_STATUS_UPRGI	0x0002	/* Unexpected PRG index */ |
| 959 | #define PCI_PRI_STATUS_STOPPED	0x0100	/* PRI Stopped */ |
| 960 | #define PCI_PRI_STATUS_PASID	0x8000	/* PRG Response PASID Required */ |
| 961 | #define PCI_PRI_MAX_REQ		0x08	/* PRI max reqs supported */ |
| 962 | #define PCI_PRI_ALLOC_REQ	0x0c	/* PRI max reqs allowed */ |
| 963 | #define PCI_EXT_CAP_PRI_SIZEOF	16 |
| 964 | |
| 965 | /* Process Address Space ID */ |
| 966 | #define PCI_PASID_CAP		0x04 /* PASID feature register */ |
| 967 | #define PCI_PASID_CAP_EXEC	0x0002	/* Exec permissions Supported */ |
| 968 | #define PCI_PASID_CAP_PRIV	0x0004	/* Privilege Mode Supported */ |
| 969 | #define PCI_PASID_CAP_WIDTH	0x1f00 |
| 970 | #define PCI_PASID_CTRL		0x06 /* PASID control register */ |
| 971 | #define PCI_PASID_CTRL_ENABLE	0x0001	/* Enable bit */ |
| 972 | #define PCI_PASID_CTRL_EXEC	0x0002	/* Exec permissions Enable */ |
| 973 | #define PCI_PASID_CTRL_PRIV	0x0004	/* Privilege Mode Enable */ |
| 974 | #define PCI_EXT_CAP_PASID_SIZEOF	8 |
| 975 | |
| 976 | /* Single Root I/O Virtualization */ |
| 977 | #define PCI_SRIOV_CAP		0x04	/* SR-IOV Capabilities */ |
| 978 | #define PCI_SRIOV_CAP_VFM	0x00000001 /* VF Migration Capable */ |
| 979 | #define PCI_SRIOV_CAP_INTR(x)	((x) >> 21) /* Interrupt Message Number */ |
| 980 | #define PCI_SRIOV_CTRL		0x08	/* SR-IOV Control */ |
| 981 | #define PCI_SRIOV_CTRL_VFE	0x0001	/* VF Enable */ |
| 982 | #define PCI_SRIOV_CTRL_VFM	0x0002	/* VF Migration Enable */ |
| 983 | #define PCI_SRIOV_CTRL_INTR	0x0004	/* VF Migration Interrupt Enable */ |
| 984 | #define PCI_SRIOV_CTRL_MSE	0x0008	/* VF Memory Space Enable */ |
| 985 | #define PCI_SRIOV_CTRL_ARI	0x0010	/* ARI Capable Hierarchy */ |
| 986 | #define PCI_SRIOV_STATUS	0x0a	/* SR-IOV Status */ |
| 987 | #define PCI_SRIOV_STATUS_VFM	0x0001	/* VF Migration Status */ |
| 988 | #define PCI_SRIOV_INITIAL_VF	0x0c	/* Initial VFs */ |
| 989 | #define PCI_SRIOV_TOTAL_VF	0x0e	/* Total VFs */ |
| 990 | #define PCI_SRIOV_NUM_VF	0x10	/* Number of VFs */ |
| 991 | #define PCI_SRIOV_FUNC_LINK	0x12	/* Function Dependency Link */ |
| 992 | #define PCI_SRIOV_VF_OFFSET	0x14	/* First VF Offset */ |
| 993 | #define PCI_SRIOV_VF_STRIDE	0x16	/* Following VF Stride */ |
| 994 | #define PCI_SRIOV_VF_DID	0x1a	/* VF Device ID */ |
| 995 | #define PCI_SRIOV_SUP_PGSIZE	0x1c	/* Supported Page Sizes */ |
| 996 | #define PCI_SRIOV_SYS_PGSIZE	0x20	/* System Page Size */ |
| 997 | #define PCI_SRIOV_BAR		0x24	/* VF BAR0 */ |
| 998 | #define PCI_SRIOV_NUM_BARS	6	/* Number of VF BARs */ |
| 999 | #define PCI_SRIOV_VFM		0x3c	/* VF Migration State Array Offset*/ |
| 1000 | #define PCI_SRIOV_VFM_BIR(x)	((x) & 7)	/* State BIR */ |
| 1001 | #define PCI_SRIOV_VFM_OFFSET(x) ((x) & ~7)	/* State Offset */ |
| 1002 | #define PCI_SRIOV_VFM_UA	0x0	/* Inactive.Unavailable */ |
| 1003 | #define PCI_SRIOV_VFM_MI	0x1	/* Dormant.MigrateIn */ |
| 1004 | #define PCI_SRIOV_VFM_MO	0x2	/* Active.MigrateOut */ |
| 1005 | #define PCI_SRIOV_VFM_AV	0x3	/* Active.Available */ |
| 1006 | #define PCI_EXT_CAP_SRIOV_SIZEOF 0x40 |
| 1007 | |
| 1008 | #define PCI_LTR_MAX_SNOOP_LAT	0x4 |
| 1009 | #define PCI_LTR_MAX_NOSNOOP_LAT	0x6 |
| 1010 | #define PCI_LTR_VALUE_MASK	0x000003ff |
| 1011 | #define PCI_LTR_SCALE_MASK	0x00001c00 |
| 1012 | #define PCI_LTR_SCALE_SHIFT	10 |
| 1013 | #define PCI_LTR_NOSNOOP_VALUE	0x03ff0000 /* Max No-Snoop Latency Value */ |
| 1014 | #define PCI_LTR_NOSNOOP_SCALE	0x1c000000 /* Scale for Max Value */ |
| 1015 | #define PCI_EXT_CAP_LTR_SIZEOF	8 |
| 1016 | |
| 1017 | /* Access Control Service */ |
| 1018 | #define PCI_ACS_CAP		0x04	/* ACS Capability Register */ |
| 1019 | #define PCI_ACS_SV		0x0001	/* Source Validation */ |
| 1020 | #define PCI_ACS_TB		0x0002	/* Translation Blocking */ |
| 1021 | #define PCI_ACS_RR		0x0004	/* P2P Request Redirect */ |
| 1022 | #define PCI_ACS_CR		0x0008	/* P2P Completion Redirect */ |
| 1023 | #define PCI_ACS_UF		0x0010	/* Upstream Forwarding */ |
| 1024 | #define PCI_ACS_EC		0x0020	/* P2P Egress Control */ |
| 1025 | #define PCI_ACS_DT		0x0040	/* Direct Translated P2P */ |
| 1026 | #define PCI_ACS_EGRESS_BITS	0x05	/* ACS Egress Control Vector Size */ |
| 1027 | #define PCI_ACS_CTRL		0x06	/* ACS Control Register */ |
| 1028 | #define PCI_ACS_EGRESS_CTL_V	0x08	/* ACS Egress Control Vector */ |
| 1029 | |
| 1030 | /* SATA capability */ |
| 1031 | #define PCI_SATA_REGS		4	/* SATA REGs specifier */ |
| 1032 | #define PCI_SATA_REGS_MASK	0xF	/* location - BAR#/inline */ |
| 1033 | #define PCI_SATA_REGS_INLINE	0xF	/* REGS in config space */ |
| 1034 | #define PCI_SATA_SIZEOF_SHORT	8 |
| 1035 | #define PCI_SATA_SIZEOF_LONG	16 |
| 1036 | |
| 1037 | /* Resizable BARs */ |
| 1038 | #define PCI_REBAR_CAP		4	/* capability register */ |
| 1039 | #define PCI_REBAR_CAP_SIZES		0xFFFFFFF0 /* supported BAR sizes */ |
| 1040 | #define PCI_REBAR_CTRL		8	/* control register */ |
| 1041 | #define PCI_REBAR_CTRL_BAR_IDX		0x00000007 /* BAR index */ |
| 1042 | #define PCI_REBAR_CTRL_NBAR_MASK	0x000000E0 /* # of resizable BARs */ |
| 1043 | #define PCI_REBAR_CTRL_NBAR_SHIFT	5	 /* shift for # of BARs */ |
| 1044 | #define PCI_REBAR_CTRL_BAR_SIZE	0x00001F00 /* BAR size */ |
| 1045 | #define PCI_REBAR_CTRL_BAR_SHIFT	8	 /* shift for BAR size */ |
| 1046 | |
| 1047 | /* Dynamic Power Allocation */ |
| 1048 | #define PCI_DPA_CAP		4	/* capability register */ |
| 1049 | #define PCI_DPA_CAP_SUBSTATE_MASK	0x1F	/* # substates - 1 */ |
| 1050 | #define PCI_DPA_BASE_SIZEOF	16	/* size with 0 substates */ |
| 1051 | |
| 1052 | /* TPH Completer Support */ |
| 1053 | #define PCI_EXP_DEVCAP2_TPH_COMP_NONE		0x0 /* None */ |
| 1054 | #define PCI_EXP_DEVCAP2_TPH_COMP_TPH_ONLY	0x1 /* TPH only */ |
| 1055 | #define PCI_EXP_DEVCAP2_TPH_COMP_EXT_TPH	0x3 /* TPH and Extended TPH */ |
| 1056 | |
| 1057 | /* TPH Requester */ |
| 1058 | #define PCI_TPH_CAP		4	/* capability register */ |
| 1059 | #define PCI_TPH_CAP_ST_NS	0x00000001 /* No ST Mode Supported */ |
| 1060 | #define PCI_TPH_CAP_ST_IV	0x00000002 /* Interrupt Vector Mode Supported */ |
| 1061 | #define PCI_TPH_CAP_ST_DS	0x00000004 /* Device Specific Mode Supported */ |
| 1062 | #define PCI_TPH_CAP_EXT_TPH	0x00000100 /* Ext TPH Requester Supported */ |
| 1063 | #define PCI_TPH_CAP_LOC_MASK	0x00000600 /* ST Table Location */ |
| 1064 | #define PCI_TPH_LOC_NONE	0x00000000 /* Not present */ |
| 1065 | #define PCI_TPH_LOC_CAP	0x00000200 /* In capability */ |
| 1066 | #define PCI_TPH_LOC_MSIX	0x00000400 /* In MSI-X */ |
| 1067 | #define PCI_TPH_CAP_ST_MASK	0x07FF0000 /* ST Table Size */ |
| 1068 | #define PCI_TPH_CAP_ST_SHIFT	16	/* ST Table Size shift */ |
| 1069 | #define PCI_TPH_BASE_SIZEOF	0xc	/* Size with no ST table */ |
| 1070 | |
| 1071 | #define PCI_TPH_CTRL		8	/* control register */ |
| 1072 | #define PCI_TPH_CTRL_MODE_SEL_MASK	0x00000007 /* ST Mode Select */ |
| 1073 | #define PCI_TPH_ST_NS_MODE		0x0 /* No ST Mode */ |
| 1074 | #define PCI_TPH_ST_IV_MODE		0x1 /* Interrupt Vector Mode */ |
| 1075 | #define PCI_TPH_ST_DS_MODE		0x2 /* Device Specific Mode */ |
| 1076 | #define PCI_TPH_CTRL_REQ_EN_MASK	0x00000300 /* TPH Requester Enable */ |
| 1077 | #define PCI_TPH_REQ_DISABLE		0x0 /* No TPH requests allowed */ |
| 1078 | #define PCI_TPH_REQ_TPH_ONLY		0x1 /* TPH only requests allowed */ |
| 1079 | #define PCI_TPH_REQ_EXT_TPH		0x3 /* Extended TPH requests allowed */ |
| 1080 | |
| 1081 | /* Downstream Port Containment */ |
| 1082 | #define PCI_EXP_DPC_CAP			0x04	/* DPC Capability */ |
| 1083 | #define PCI_EXP_DPC_IRQ			0x001F	/* Interrupt Message Number */ |
| 1084 | #define PCI_EXP_DPC_CAP_RP_EXT		0x0020	/* Root Port Extensions */ |
| 1085 | #define PCI_EXP_DPC_CAP_POISONED_TLP	0x0040	/* Poisoned TLP Egress Blocking Supported */ |
| 1086 | #define PCI_EXP_DPC_CAP_SW_TRIGGER	0x0080	/* Software Triggering Supported */ |
| 1087 | #define PCI_EXP_DPC_RP_PIO_LOG_SIZE	0x0F00	/* RP PIO Log Size [3:0] */ |
| 1088 | #define PCI_EXP_DPC_CAP_DL_ACTIVE	0x1000	/* ERR_COR signal on DL_Active supported */ |
| 1089 | #define PCI_EXP_DPC_RP_PIO_LOG_SIZE4	0x2000	/* RP PIO Log Size [4] */ |
| 1090 | |
| 1091 | #define PCI_EXP_DPC_CTL			0x06	/* DPC control */ |
| 1092 | #define PCI_EXP_DPC_CTL_EN_FATAL	0x0001	/* Enable trigger on ERR_FATAL message */ |
| 1093 | #define PCI_EXP_DPC_CTL_EN_NONFATAL	0x0002	/* Enable trigger on ERR_NONFATAL message */ |
| 1094 | #define PCI_EXP_DPC_CTL_INT_EN		0x0008	/* DPC Interrupt Enable */ |
| 1095 | |
| 1096 | #define PCI_EXP_DPC_STATUS		0x08	/* DPC Status */ |
| 1097 | #define PCI_EXP_DPC_STATUS_TRIGGER	 0x0001 /* Trigger Status */ |
| 1098 | #define PCI_EXP_DPC_STATUS_TRIGGER_RSN	 0x0006 /* Trigger Reason */ |
| 1099 | #define PCI_EXP_DPC_STATUS_TRIGGER_RSN_UNCOR 0x0000 /* Uncorrectable error */ |
| 1100 | #define PCI_EXP_DPC_STATUS_TRIGGER_RSN_NFE 0x0002 /* Rcvd ERR_NONFATAL */ |
| 1101 | #define PCI_EXP_DPC_STATUS_TRIGGER_RSN_FE 0x0004 /* Rcvd ERR_FATAL */ |
| 1102 | #define PCI_EXP_DPC_STATUS_TRIGGER_RSN_IN_EXT 0x0006 /* Reason in Trig Reason Extension field */ |
| 1103 | #define PCI_EXP_DPC_STATUS_INTERRUPT	 0x0008 /* Interrupt Status */ |
| 1104 | #define PCI_EXP_DPC_RP_BUSY		 0x0010 /* Root Port Busy */ |
| 1105 | #define PCI_EXP_DPC_STATUS_TRIGGER_RSN_EXT 0x0060 /* Trig Reason Extension */ |
| 1106 | #define PCI_EXP_DPC_STATUS_TRIGGER_RSN_RP_PIO		0x0000	/* RP PIO error */ |
| 1107 | #define PCI_EXP_DPC_STATUS_TRIGGER_RSN_SW_TRIGGER	0x0020	/* DPC SW Trigger bit */ |
| 1108 | #define PCI_EXP_DPC_RP_PIO_FEP		 0x1f00 /* RP PIO First Err Ptr */ |
| 1109 | |
| 1110 | #define PCI_EXP_DPC_SOURCE_ID		 0x0A	/* DPC Source Identifier */ |
| 1111 | |
| 1112 | #define PCI_EXP_DPC_RP_PIO_STATUS	 0x0C	/* RP PIO Status */ |
| 1113 | #define PCI_EXP_DPC_RP_PIO_MASK		 0x10	/* RP PIO Mask */ |
| 1114 | #define PCI_EXP_DPC_RP_PIO_SEVERITY	 0x14	/* RP PIO Severity */ |
| 1115 | #define PCI_EXP_DPC_RP_PIO_SYSERROR	 0x18	/* RP PIO SysError */ |
| 1116 | #define PCI_EXP_DPC_RP_PIO_EXCEPTION	 0x1C	/* RP PIO Exception */ |
| 1117 | #define PCI_EXP_DPC_RP_PIO_HEADER_LOG	 0x20	/* RP PIO Header Log */ |
| 1118 | #define PCI_EXP_DPC_RP_PIO_IMPSPEC_LOG	 0x30	/* RP PIO ImpSpec Log */ |
| 1119 | #define PCI_EXP_DPC_RP_PIO_TLPPREFIX_LOG 0x34	/* RP PIO TLP Prefix Log */ |
| 1120 | |
| 1121 | /* Precision Time Measurement */ |
| 1122 | #define PCI_PTM_CAP			0x04	 /* PTM Capability */ |
| 1123 | #define PCI_PTM_CAP_REQ		0x00000001 /* Requester capable */ |
| 1124 | #define PCI_PTM_CAP_RES		0x00000002 /* Responder capable */ |
| 1125 | #define PCI_PTM_CAP_ROOT		0x00000004 /* Root capable */ |
| 1126 | #define PCI_PTM_GRANULARITY_MASK	0x0000FF00 /* Clock granularity */ |
| 1127 | #define PCI_PTM_CTRL			0x08	 /* PTM Control */ |
| 1128 | #define PCI_PTM_CTRL_ENABLE		0x00000001 /* PTM enable */ |
| 1129 | #define PCI_PTM_CTRL_ROOT		0x00000002 /* Root select */ |
| 1130 | |
| 1131 | /* ASPM L1 PM Substates */ |
| 1132 | #define PCI_L1SS_CAP		0x04	/* Capabilities Register */ |
| 1133 | #define PCI_L1SS_CAP_PCIPM_L1_2	0x00000001 /* PCI-PM L1.2 Supported */ |
| 1134 | #define PCI_L1SS_CAP_PCIPM_L1_1	0x00000002 /* PCI-PM L1.1 Supported */ |
| 1135 | #define PCI_L1SS_CAP_ASPM_L1_2		0x00000004 /* ASPM L1.2 Supported */ |
| 1136 | #define PCI_L1SS_CAP_ASPM_L1_1		0x00000008 /* ASPM L1.1 Supported */ |
| 1137 | #define PCI_L1SS_CAP_L1_PM_SS		0x00000010 /* L1 PM Substates Supported */ |
| 1138 | #define PCI_L1SS_CAP_CM_RESTORE_TIME	0x0000ff00 /* Port Common_Mode_Restore_Time */ |
| 1139 | #define PCI_L1SS_CAP_P_PWR_ON_SCALE	0x00030000 /* Port T_POWER_ON scale */ |
| 1140 | #define PCI_L1SS_CAP_P_PWR_ON_VALUE	0x00f80000 /* Port T_POWER_ON value */ |
| 1141 | #define PCI_L1SS_CTL1		0x08	/* Control 1 Register */ |
| 1142 | #define PCI_L1SS_CTL1_PCIPM_L1_2	0x00000001 /* PCI-PM L1.2 Enable */ |
| 1143 | #define PCI_L1SS_CTL1_PCIPM_L1_1	0x00000002 /* PCI-PM L1.1 Enable */ |
| 1144 | #define PCI_L1SS_CTL1_ASPM_L1_2	0x00000004 /* ASPM L1.2 Enable */ |
| 1145 | #define PCI_L1SS_CTL1_ASPM_L1_1	0x00000008 /* ASPM L1.1 Enable */ |
| 1146 | #define PCI_L1SS_CTL1_L1_2_MASK	0x00000005 |
| 1147 | #define PCI_L1SS_CTL1_L1SS_MASK	0x0000000f |
| 1148 | #define PCI_L1SS_CTL1_CM_RESTORE_TIME	0x0000ff00 /* Common_Mode_Restore_Time */ |
| 1149 | #define PCI_L1SS_CTL1_LTR_L12_TH_VALUE	0x03ff0000 /* LTR_L1.2_THRESHOLD_Value */ |
| 1150 | #define PCI_L1SS_CTL1_LTR_L12_TH_SCALE	0xe0000000 /* LTR_L1.2_THRESHOLD_Scale */ |
| 1151 | #define PCI_L1SS_CTL2		0x0c	/* Control 2 Register */ |
| 1152 | #define PCI_L1SS_CTL2_T_PWR_ON_SCALE	0x00000003 /* T_POWER_ON Scale */ |
| 1153 | #define PCI_L1SS_CTL2_T_PWR_ON_VALUE	0x000000f8 /* T_POWER_ON Value */ |
| 1154 | |
| 1155 | /* Designated Vendor-Specific (DVSEC, PCI_EXT_CAP_ID_DVSEC) */ |
| 1156 | #define PCI_DVSEC_HEADER1		0x4 /* Designated Vendor-Specific Header1 */ |
| 1157 | #define PCI_DVSEC_HEADER1_VID(x)	((x) & 0xffff) |
| 1158 | #define PCI_DVSEC_HEADER1_REV(x)	(((x) >> 16) & 0xf) |
| 1159 | #define PCI_DVSEC_HEADER1_LEN(x)	(((x) >> 20) & 0xfff) |
| 1160 | #define PCI_DVSEC_HEADER2		0x8 /* Designated Vendor-Specific Header2 */ |
| 1161 | #define PCI_DVSEC_HEADER2_ID(x)		((x) & 0xffff) |
| 1162 | |
| 1163 | /* VF Resizable BARs, same layout as PCI_REBAR */ |
| 1164 | #define PCI_VF_REBAR_CAP	PCI_REBAR_CAP |
| 1165 | #define PCI_VF_REBAR_CAP_SIZES		PCI_REBAR_CAP_SIZES |
| 1166 | #define PCI_VF_REBAR_CTRL	PCI_REBAR_CTRL |
| 1167 | #define PCI_VF_REBAR_CTRL_BAR_IDX	PCI_REBAR_CTRL_BAR_IDX |
| 1168 | #define PCI_VF_REBAR_CTRL_NBAR_MASK	PCI_REBAR_CTRL_NBAR_MASK |
| 1169 | #define PCI_VF_REBAR_CTRL_BAR_SIZE	PCI_REBAR_CTRL_BAR_SIZE |
| 1170 | |
| 1171 | /* Data Link Feature */ |
| 1172 | #define PCI_DLF_CAP		0x04	/* Capabilities Register */ |
| 1173 | #define PCI_DLF_EXCHANGE_ENABLE	0x80000000 /* Data Link Feature Exchange Enable */ |
| 1174 | |
| 1175 | /* Secondary PCIe Capability 8.0 GT/s */ |
| 1176 | #define PCI_SECPCI_LE_CTRL	0x0c /* Lane Equalization Control Register */ |
| 1177 | |
| 1178 | /* Physical Layer 16.0 GT/s */ |
| 1179 | #define PCI_PL_16GT_LE_CTRL	0x20	/* Lane Equalization Control Register */ |
| 1180 | #define PCI_PL_16GT_LE_CTRL_DSP_TX_PRESET_MASK		0x0000000F |
| 1181 | #define PCI_PL_16GT_LE_CTRL_USP_TX_PRESET_MASK		0x000000F0 |
| 1182 | #define PCI_PL_16GT_LE_CTRL_USP_TX_PRESET_SHIFT	4 |
| 1183 | |
| 1184 | /* Physical Layer 32.0 GT/s */ |
| 1185 | #define PCI_PL_32GT_LE_CTRL	0x20	/* Lane Equalization Control Register */ |
| 1186 | |
| 1187 | /* Physical Layer 64.0 GT/s */ |
| 1188 | #define PCI_PL_64GT_LE_CTRL	0x20	/* Lane Equalization Control Register */ |
| 1189 | |
| 1190 | /* Native PCIe Enclosure Management */ |
| 1191 | #define PCI_NPEM_CAP 0x04 /* NPEM capability register */ |
| 1192 | #define PCI_NPEM_CAP_CAPABLE 0x00000001 /* NPEM Capable */ |
| 1193 | |
| 1194 | #define PCI_NPEM_CTRL 0x08 /* NPEM control register */ |
| 1195 | #define PCI_NPEM_CTRL_ENABLE 0x00000001 /* NPEM Enable */ |
| 1196 | |
| 1197 | /* |
| 1198 | * Native PCIe Enclosure Management indication bits and Reset command bit |
| 1199 | * are corresponding for capability and control registers. |
| 1200 | */ |
| 1201 | #define PCI_NPEM_CMD_RESET 0x00000002 /* Reset Command */ |
| 1202 | #define PCI_NPEM_IND_OK 0x00000004 /* OK */ |
| 1203 | #define PCI_NPEM_IND_LOCATE 0x00000008 /* Locate */ |
| 1204 | #define PCI_NPEM_IND_FAIL 0x00000010 /* Fail */ |
| 1205 | #define PCI_NPEM_IND_REBUILD 0x00000020 /* Rebuild */ |
| 1206 | #define PCI_NPEM_IND_PFA 0x00000040 /* Predicted Failure Analysis */ |
| 1207 | #define PCI_NPEM_IND_HOTSPARE 0x00000080 /* Hot Spare */ |
| 1208 | #define PCI_NPEM_IND_ICA 0x00000100 /* In Critical Array */ |
| 1209 | #define PCI_NPEM_IND_IFA 0x00000200 /* In Failed Array */ |
| 1210 | #define PCI_NPEM_IND_IDT 0x00000400 /* Device Type */ |
| 1211 | #define PCI_NPEM_IND_DISABLED 0x00000800 /* Disabled */ |
| 1212 | #define PCI_NPEM_IND_SPEC_0 0x01000000 |
| 1213 | #define PCI_NPEM_IND_SPEC_1 0x02000000 |
| 1214 | #define PCI_NPEM_IND_SPEC_2 0x04000000 |
| 1215 | #define PCI_NPEM_IND_SPEC_3 0x08000000 |
| 1216 | #define PCI_NPEM_IND_SPEC_4 0x10000000 |
| 1217 | #define PCI_NPEM_IND_SPEC_5 0x20000000 |
| 1218 | #define PCI_NPEM_IND_SPEC_6 0x40000000 |
| 1219 | #define PCI_NPEM_IND_SPEC_7 0x80000000 |
| 1220 | |
| 1221 | #define PCI_NPEM_STATUS 0x0c /* NPEM status register */ |
| 1222 | #define PCI_NPEM_STATUS_CC 0x00000001 /* Command Completed */ |
| 1223 | |
| 1224 | /* Data Object Exchange */ |
| 1225 | #define PCI_DOE_CAP		0x04 /* DOE Capabilities Register */ |
| 1226 | #define PCI_DOE_CAP_INT_SUP			0x00000001 /* Interrupt Support */ |
| 1227 | #define PCI_DOE_CAP_INT_MSG_NUM		0x00000ffe /* Interrupt Message Number */ |
| 1228 | #define PCI_DOE_CTRL		0x08 /* DOE Control Register */ |
| 1229 | #define PCI_DOE_CTRL_ABORT			0x00000001 /* DOE Abort */ |
| 1230 | #define PCI_DOE_CTRL_INT_EN			0x00000002 /* DOE Interrupt Enable */ |
| 1231 | #define PCI_DOE_CTRL_GO			0x80000000 /* DOE Go */ |
| 1232 | #define PCI_DOE_STATUS		0x0c /* DOE Status Register */ |
| 1233 | #define PCI_DOE_STATUS_BUSY			0x00000001 /* DOE Busy */ |
| 1234 | #define PCI_DOE_STATUS_INT_STATUS		0x00000002 /* DOE Interrupt Status */ |
| 1235 | #define PCI_DOE_STATUS_ERROR			0x00000004 /* DOE Error */ |
| 1236 | #define PCI_DOE_STATUS_DATA_OBJECT_READY	0x80000000 /* Data Object Ready */ |
| 1237 | #define PCI_DOE_WRITE		0x10 /* DOE Write Data Mailbox Register */ |
| 1238 | #define PCI_DOE_READ		0x14 /* DOE Read Data Mailbox Register */ |
| 1239 | #define PCI_DOE_CAP_SIZEOF	0x18	/* Size of DOE register block */ |
| 1240 | |
| 1241 | /* DOE Data Object - note not actually registers */ |
| 1242 | #define PCI_DOE_DATA_OBJECT_HEADER_1_VID		0x0000ffff |
| 1243 | #define PCI_DOE_DATA_OBJECT_HEADER_1_TYPE		0x00ff0000 |
| 1244 | #define PCI_DOE_DATA_OBJECT_HEADER_2_LENGTH		0x0003ffff |
| 1245 | |
| 1246 | #define PCI_DOE_DATA_OBJECT_DISC_REQ_3_INDEX		0x000000ff |
| 1247 | #define PCI_DOE_DATA_OBJECT_DISC_REQ_3_VER		0x0000ff00 |
| 1248 | #define PCI_DOE_DATA_OBJECT_DISC_RSP_3_VID		0x0000ffff |
| 1249 | #define PCI_DOE_DATA_OBJECT_DISC_RSP_3_TYPE		0x00ff0000 |
| 1250 | #define PCI_DOE_DATA_OBJECT_DISC_RSP_3_NEXT_INDEX	0xff000000 |
| 1251 | |
| 1252 | /* Deprecated old name, replaced with PCI_DOE_DATA_OBJECT_DISC_RSP_3_TYPE */ |
| 1253 | #define PCI_DOE_DATA_OBJECT_DISC_RSP_3_PROTOCOL		PCI_DOE_DATA_OBJECT_DISC_RSP_3_TYPE |
| 1254 | |
| 1255 | /* Device 3 Extended Capability */ |
| 1256 | #define PCI_DEV3_CAP		0x04	/* Device 3 Capabilities Register */ |
| 1257 | #define PCI_DEV3_CTL		0x08	/* Device 3 Control Register */ |
| 1258 | #define PCI_DEV3_STA		0x0c	/* Device 3 Status Register */ |
| 1259 | #define PCI_DEV3_STA_SEGMENT	0x8	/* Segment Captured (end-to-end flit-mode detected) */ |
| 1260 | |
| 1261 | /* Integrity and Data Encryption Extended Capability */ |
| 1262 | #define PCI_IDE_CAP			0x04 |
| 1263 | #define PCI_IDE_CAP_LINK		0x1 /* Link IDE Stream Supported */ |
| 1264 | #define PCI_IDE_CAP_SELECTIVE		0x2 /* Selective IDE Streams Supported */ |
| 1265 | #define PCI_IDE_CAP_FLOWTHROUGH	0x4 /* Flow-Through IDE Stream Supported */ |
| 1266 | #define PCI_IDE_CAP_PARTIAL_HEADER_ENC 0x8 /* Partial Header Encryption Supported */ |
| 1267 | #define PCI_IDE_CAP_AGGREGATION	0x10 /* Aggregation Supported */ |
| 1268 | #define PCI_IDE_CAP_PCRC		0x20 /* PCRC Supported */ |
| 1269 | #define PCI_IDE_CAP_IDE_KM		0x40 /* IDE_KM Protocol Supported */ |
| 1270 | #define PCI_IDE_CAP_SEL_CFG		0x80 /* Selective IDE for Config Request Support */ |
| 1271 | #define PCI_IDE_CAP_ALG		__GENMASK(12, 8) /* Supported Algorithms */ |
| 1272 | #define PCI_IDE_CAP_ALG_AES_GCM_256	0 /* AES-GCM 256 key size, 96b MAC */ |
| 1273 | #define PCI_IDE_CAP_LINK_TC_NUM	__GENMASK(15, 13) /* Link IDE TCs */ |
| 1274 | #define PCI_IDE_CAP_SEL_NUM		__GENMASK(23, 16) /* Supported Selective IDE Streams */ |
| 1275 | #define PCI_IDE_CAP_TEE_LIMITED	0x1000000 /* TEE-Limited Stream Supported */ |
| 1276 | #define PCI_IDE_CTL			0x08 |
| 1277 | #define PCI_IDE_CTL_FLOWTHROUGH_IDE	0x4 /* Flow-Through IDE Stream Enabled */ |
| 1278 | |
| 1279 | #define PCI_IDE_LINK_STREAM_0		0xc /* First Link Stream Register Block */ |
| 1280 | #define PCI_IDE_LINK_BLOCK_SIZE	8 |
| 1281 | /* Link IDE Stream block, up to PCI_IDE_CAP_LINK_TC_NUM */ |
| 1282 | #define PCI_IDE_LINK_CTL_0		0x00		 /* First Link Control Register Offset in block */ |
| 1283 | #define PCI_IDE_LINK_CTL_EN		0x1		 /* Link IDE Stream Enable */ |
| 1284 | #define PCI_IDE_LINK_CTL_TX_AGGR_NPR	__GENMASK(3, 2)	 /* Tx Aggregation Mode NPR */ |
| 1285 | #define PCI_IDE_LINK_CTL_TX_AGGR_PR	__GENMASK(5, 4)	 /* Tx Aggregation Mode PR */ |
| 1286 | #define PCI_IDE_LINK_CTL_TX_AGGR_CPL	__GENMASK(7, 6)	 /* Tx Aggregation Mode CPL */ |
| 1287 | #define PCI_IDE_LINK_CTL_PCRC_EN	0x100		 /* PCRC Enable */ |
| 1288 | #define PCI_IDE_LINK_CTL_PART_ENC	__GENMASK(13, 10) /* Partial Header Encryption Mode */ |
| 1289 | #define PCI_IDE_LINK_CTL_ALG		__GENMASK(18, 14) /* Selection from PCI_IDE_CAP_ALG */ |
| 1290 | #define PCI_IDE_LINK_CTL_TC		__GENMASK(21, 19) /* Traffic Class */ |
| 1291 | #define PCI_IDE_LINK_CTL_ID		__GENMASK(31, 24) /* Stream ID */ |
| 1292 | #define PCI_IDE_LINK_STS_0		0x4 /* First Link Status Register Offset in block */ |
| 1293 | #define PCI_IDE_LINK_STS_STATE		__GENMASK(3, 0) /* Link IDE Stream State */ |
| 1294 | #define PCI_IDE_LINK_STS_IDE_FAIL	0x80000000	 /* IDE fail message received */ |
| 1295 | |
| 1296 | /* Selective IDE Stream block, up to PCI_IDE_CAP_SELECTIVE_STREAMS_NUM */ |
| 1297 | /* Selective IDE Stream Capability Register */ |
| 1298 | #define PCI_IDE_SEL_CAP		0x00 |
| 1299 | #define PCI_IDE_SEL_CAP_ASSOC_NUM	__GENMASK(3, 0) |
| 1300 | /* Selective IDE Stream Control Register */ |
| 1301 | #define PCI_IDE_SEL_CTL		0x04 |
| 1302 | #define PCI_IDE_SEL_CTL_EN		0x1		 /* Selective IDE Stream Enable */ |
| 1303 | #define PCI_IDE_SEL_CTL_TX_AGGR_NPR	__GENMASK(3, 2)	 /* Tx Aggregation Mode NPR */ |
| 1304 | #define PCI_IDE_SEL_CTL_TX_AGGR_PR	__GENMASK(5, 4) /* Tx Aggregation Mode PR */ |
| 1305 | #define PCI_IDE_SEL_CTL_TX_AGGR_CPL	__GENMASK(7, 6)	 /* Tx Aggregation Mode CPL */ |
| 1306 | #define PCI_IDE_SEL_CTL_PCRC_EN	0x100		 /* PCRC Enable */ |
| 1307 | #define PCI_IDE_SEL_CTL_CFG_EN	0x200		 /* Selective IDE for Configuration Requests */ |
| 1308 | #define PCI_IDE_SEL_CTL_PART_ENC	__GENMASK(13, 10) /* Partial Header Encryption Mode */ |
| 1309 | #define PCI_IDE_SEL_CTL_ALG		__GENMASK(18, 14) /* Selection from PCI_IDE_CAP_ALG */ |
| 1310 | #define PCI_IDE_SEL_CTL_TC		__GENMASK(21, 19) /* Traffic Class */ |
| 1311 | #define PCI_IDE_SEL_CTL_DEFAULT	0x400000	 /* Default Stream */ |
| 1312 | #define PCI_IDE_SEL_CTL_TEE_LIMITED	0x800000	 /* TEE-Limited Stream */ |
| 1313 | #define PCI_IDE_SEL_CTL_ID		__GENMASK(31, 24) /* Stream ID */ |
| 1314 | #define PCI_IDE_SEL_CTL_ID_MAX	255 |
| 1315 | /* Selective IDE Stream Status Register */ |
| 1316 | #define PCI_IDE_SEL_STS		 0x08 |
| 1317 | #define PCI_IDE_SEL_STS_STATE		 __GENMASK(3, 0) /* Selective IDE Stream State */ |
| 1318 | #define PCI_IDE_SEL_STS_STATE_INSECURE 0 |
| 1319 | #define PCI_IDE_SEL_STS_STATE_SECURE	 2 |
| 1320 | #define PCI_IDE_SEL_STS_IDE_FAIL	 0x80000000	 /* IDE fail message received */ |
| 1321 | /* IDE RID Association Register 1 */ |
| 1322 | #define PCI_IDE_SEL_RID_1		 0x0c |
| 1323 | #define PCI_IDE_SEL_RID_1_LIMIT	 __GENMASK(23, 8) |
| 1324 | /* IDE RID Association Register 2 */ |
| 1325 | #define PCI_IDE_SEL_RID_2		0x10 |
| 1326 | #define PCI_IDE_SEL_RID_2_VALID	0x1 |
| 1327 | #define PCI_IDE_SEL_RID_2_BASE	__GENMASK(23, 8) |
| 1328 | #define PCI_IDE_SEL_RID_2_SEG		__GENMASK(31, 24) |
| 1329 | /* Selective IDE Address Association Register Block, up to PCI_IDE_SEL_CAP_ASSOC_NUM */ |
| 1330 | #define PCI_IDE_SEL_ADDR_BLOCK_SIZE	12 |
| 1331 | #define PCI_IDE_SEL_ADDR_1(x)		(20 + (x) * PCI_IDE_SEL_ADDR_BLOCK_SIZE) |
| 1332 | #define PCI_IDE_SEL_ADDR_1_VALID	0x1 |
| 1333 | #define PCI_IDE_SEL_ADDR_1_BASE_LOW	__GENMASK(19, 8) |
| 1334 | #define PCI_IDE_SEL_ADDR_1_LIMIT_LOW	__GENMASK(31, 20) |
| 1335 | /* IDE Address Association Register 2 is "Memory Limit Upper" */ |
| 1336 | #define PCI_IDE_SEL_ADDR_2(x)		(24 + (x) * PCI_IDE_SEL_ADDR_BLOCK_SIZE) |
| 1337 | /* IDE Address Association Register 3 is "Memory Base Upper" */ |
| 1338 | #define PCI_IDE_SEL_ADDR_3(x)		(28 + (x) * PCI_IDE_SEL_ADDR_BLOCK_SIZE) |
| 1339 | #define PCI_IDE_SEL_BLOCK_SIZE(nr_assoc) (20 + PCI_IDE_SEL_ADDR_BLOCK_SIZE * (nr_assoc)) |
| 1340 | |
| 1341 | /* |
| 1342 | * Compute Express Link (CXL r4.0, sec 8.1) |
| 1343 | * |
| 1344 | * Note that CXL DVSEC id 3 and 7 to be ignored when the CXL link state |
| 1345 | * is "disconnected" (CXL r4.0, sec 9.12.3). Re-enumerate these |
| 1346 | * registers on downstream link-up events. |
| 1347 | */ |
| 1348 | |
| 1349 | /* CXL r4.0, 8.1.3: PCIe DVSEC for CXL Device */ |
| 1350 | #define PCI_DVSEC_CXL_DEVICE				0 |
| 1351 | #define PCI_DVSEC_CXL_CAP				0xA |
| 1352 | #define PCI_DVSEC_CXL_CACHE_CAPABLE			_BITUL(0) |
| 1353 | #define PCI_DVSEC_CXL_MEM_CAPABLE			_BITUL(2) |
| 1354 | #define PCI_DVSEC_CXL_HDM_COUNT			__GENMASK(5, 4) |
| 1355 | #define PCI_DVSEC_CXL_CTRL				0xC |
| 1356 | #define PCI_DVSEC_CXL_MEM_ENABLE			_BITUL(2) |
| 1357 | #define PCI_DVSEC_CXL_RANGE_SIZE_HIGH(i)		(0x18 + (i * 0x10)) |
| 1358 | #define PCI_DVSEC_CXL_RANGE_SIZE_LOW(i)		(0x1C + (i * 0x10)) |
| 1359 | #define PCI_DVSEC_CXL_MEM_INFO_VALID			_BITUL(0) |
| 1360 | #define PCI_DVSEC_CXL_MEM_ACTIVE			_BITUL(1) |
| 1361 | #define PCI_DVSEC_CXL_MEM_ACTIVE_TIMEOUT		__GENMASK(15, 13) |
| 1362 | #define PCI_DVSEC_CXL_MEM_SIZE_LOW			__GENMASK(31, 28) |
| 1363 | #define PCI_DVSEC_CXL_RANGE_BASE_HIGH(i)		(0x20 + (i * 0x10)) |
| 1364 | #define PCI_DVSEC_CXL_RANGE_BASE_LOW(i)		(0x24 + (i * 0x10)) |
| 1365 | #define PCI_DVSEC_CXL_MEM_BASE_LOW			__GENMASK(31, 28) |
| 1366 | |
| 1367 | #define CXL_DVSEC_RANGE_MAX				2 |
| 1368 | |
| 1369 | /* CXL r4.0, 8.1.4: Non-CXL Function Map DVSEC */ |
| 1370 | #define PCI_DVSEC_CXL_FUNCTION_MAP			2 |
| 1371 | |
| 1372 | /* CXL r4.0, 8.1.5: Extensions DVSEC for Ports */ |
| 1373 | #define PCI_DVSEC_CXL_PORT				3 |
| 1374 | #define PCI_DVSEC_CXL_PORT_CTL				0x0c |
| 1375 | #define PCI_DVSEC_CXL_PORT_CTL_UNMASK_SBR		0x00000001 |
| 1376 | |
| 1377 | /* CXL r4.0, 8.1.6: GPF DVSEC for CXL Port */ |
| 1378 | #define PCI_DVSEC_CXL_PORT_GPF				4 |
| 1379 | #define PCI_DVSEC_CXL_PORT_GPF_PHASE_1_CONTROL		0x0C |
| 1380 | #define PCI_DVSEC_CXL_PORT_GPF_PHASE_1_TMO_BASE	__GENMASK(3, 0) |
| 1381 | #define PCI_DVSEC_CXL_PORT_GPF_PHASE_1_TMO_SCALE	__GENMASK(11, 8) |
| 1382 | #define PCI_DVSEC_CXL_PORT_GPF_PHASE_2_CONTROL		0xE |
| 1383 | #define PCI_DVSEC_CXL_PORT_GPF_PHASE_2_TMO_BASE	__GENMASK(3, 0) |
| 1384 | #define PCI_DVSEC_CXL_PORT_GPF_PHASE_2_TMO_SCALE	__GENMASK(11, 8) |
| 1385 | |
| 1386 | /* CXL r4.0, 8.1.7: GPF DVSEC for CXL Device */ |
| 1387 | #define PCI_DVSEC_CXL_DEVICE_GPF			5 |
| 1388 | |
| 1389 | /* CXL r4.0, 8.1.8: Flex Bus DVSEC */ |
| 1390 | #define PCI_DVSEC_CXL_FLEXBUS_PORT			7 |
| 1391 | #define PCI_DVSEC_CXL_FLEXBUS_PORT_STATUS		0xE |
| 1392 | #define PCI_DVSEC_CXL_FLEXBUS_PORT_STATUS_CACHE	_BITUL(0) |
| 1393 | #define PCI_DVSEC_CXL_FLEXBUS_PORT_STATUS_MEM		_BITUL(2) |
| 1394 | |
| 1395 | /* CXL r4.0, 8.1.9: Register Locator DVSEC */ |
| 1396 | #define PCI_DVSEC_CXL_REG_LOCATOR			8 |
| 1397 | #define PCI_DVSEC_CXL_REG_LOCATOR_BLOCK1		0xC |
| 1398 | #define PCI_DVSEC_CXL_REG_LOCATOR_BIR			__GENMASK(2, 0) |
| 1399 | #define PCI_DVSEC_CXL_REG_LOCATOR_BLOCK_ID		__GENMASK(15, 8) |
| 1400 | #define PCI_DVSEC_CXL_REG_LOCATOR_BLOCK_OFF_LOW	__GENMASK(31, 16) |
| 1401 | |
| 1402 | #endif /* LINUX_PCI_REGS_H */ |