1 /* 2 * The PCI Library -- PCI Header Structure (based on <linux/pci.h>) 3 * 4 * Copyright (c) 1997--2010 Martin Mares <[email protected]> 5 * 6 * Can be freely distributed and used under the terms of the GNU GPL v2+ 7 * 8 * SPDX-License-Identifier: GPL-2.0-or-later 9 */ 10 11 /* 12 * Under PCI, each device has 256 bytes of configuration address space, 13 * of which the first 64 bytes are standardized as follows: 14 */ 15 #define PCI_VENDOR_ID 0x00 /* 16 bits */ 16 #define PCI_DEVICE_ID 0x02 /* 16 bits */ 17 #define PCI_COMMAND 0x04 /* 16 bits */ 18 #define PCI_COMMAND_IO 0x1 /* Enable response in I/O space */ 19 #define PCI_COMMAND_MEMORY 0x2 /* Enable response in Memory space */ 20 #define PCI_COMMAND_MASTER 0x4 /* Enable bus mastering */ 21 #define PCI_COMMAND_SPECIAL 0x8 /* Enable response to special cycles */ 22 #define PCI_COMMAND_INVALIDATE 0x10 /* Use memory write and invalidate */ 23 #define PCI_COMMAND_VGA_PALETTE 0x20 /* Enable palette snooping */ 24 #define PCI_COMMAND_PARITY 0x40 /* Enable parity checking */ 25 #define PCI_COMMAND_WAIT 0x80 /* Enable address/data stepping */ 26 #define PCI_COMMAND_SERR 0x100 /* Enable SERR */ 27 #define PCI_COMMAND_FAST_BACK 0x200 /* Enable back-to-back writes */ 28 #define PCI_COMMAND_DISABLE_INTx 0x400 /* PCIE: Disable INTx interrupts */ 29 30 #define PCI_STATUS 0x06 /* 16 bits */ 31 #define PCI_STATUS_INTx 0x08 /* PCIE: INTx interrupt pending */ 32 #define PCI_STATUS_CAP_LIST 0x10 /* Support Capability List */ 33 #define PCI_STATUS_66MHZ 0x20 /* Support 66 Mhz PCI 2.1 bus */ 34 #define PCI_STATUS_UDF 0x40 /* Support User Definable Features [obsolete] */ 35 #define PCI_STATUS_FAST_BACK 0x80 /* Accept fast-back to back */ 36 #define PCI_STATUS_PARITY 0x100 /* Detected parity error */ 37 #define PCI_STATUS_DEVSEL_MASK 0x600 /* DEVSEL timing */ 38 #define PCI_STATUS_DEVSEL_FAST 0x000 39 #define PCI_STATUS_DEVSEL_MEDIUM 0x200 40 #define PCI_STATUS_DEVSEL_SLOW 0x400 41 #define PCI_STATUS_SIG_TARGET_ABORT 0x800 /* Set on target abort */ 42 #define PCI_STATUS_REC_TARGET_ABORT 0x1000 /* Master ack of " */ 43 #define PCI_STATUS_REC_MASTER_ABORT 0x2000 /* Set on master abort */ 44 #define PCI_STATUS_SIG_SYSTEM_ERROR 0x4000 /* Set when we drive SERR */ 45 #define PCI_STATUS_DETECTED_PARITY 0x8000 /* Set on parity error */ 46 47 #define PCI_CLASS_REVISION 0x08 /* High 24 bits are class, low 8 48 revision */ 49 #define PCI_REVISION_ID 0x08 /* Revision ID */ 50 #define PCI_CLASS_PROG 0x09 /* Reg. Level Programming Interface */ 51 #define PCI_CLASS_DEVICE 0x0a /* Device class */ 52 53 #define PCI_CACHE_LINE_SIZE 0x0c /* 8 bits */ 54 #define PCI_LATENCY_TIMER 0x0d /* 8 bits */ 55 #define PCI_HEADER_TYPE 0x0e /* 8 bits */ 56 #define PCI_HEADER_TYPE_NORMAL 0 57 #define PCI_HEADER_TYPE_BRIDGE 1 58 #define PCI_HEADER_TYPE_CARDBUS 2 59 60 #define PCI_BIST 0x0f /* 8 bits */ 61 #define PCI_BIST_CODE_MASK 0x0f /* Return result */ 62 #define PCI_BIST_START 0x40 /* 1 to start BIST, 2 secs or less */ 63 #define PCI_BIST_CAPABLE 0x80 /* 1 if BIST capable */ 64 65 /* 66 * Base addresses specify locations in memory or I/O space. 67 * Decoded size can be determined by writing a value of 68 * 0xffffffff to the register, and reading it back. Only 69 * 1 bits are decoded. 70 */ 71 #define PCI_BASE_ADDRESS_0 0x10 /* 32 bits */ 72 #define PCI_BASE_ADDRESS_1 0x14 /* 32 bits [htype 0,1 only] */ 73 #define PCI_BASE_ADDRESS_2 0x18 /* 32 bits [htype 0 only] */ 74 #define PCI_BASE_ADDRESS_3 0x1c /* 32 bits */ 75 #define PCI_BASE_ADDRESS_4 0x20 /* 32 bits */ 76 #define PCI_BASE_ADDRESS_5 0x24 /* 32 bits */ 77 #define PCI_BASE_ADDRESS_SPACE 0x01 /* 0 = memory, 1 = I/O */ 78 #define PCI_BASE_ADDRESS_SPACE_IO 0x01 79 #define PCI_BASE_ADDRESS_SPACE_MEMORY 0x00 80 #define PCI_BASE_ADDRESS_MEM_TYPE_MASK 0x06 81 #define PCI_BASE_ADDRESS_MEM_TYPE_32 0x00 /* 32 bit address */ 82 #define PCI_BASE_ADDRESS_MEM_TYPE_1M 0x02 /* Below 1M [obsolete] */ 83 #define PCI_BASE_ADDRESS_MEM_TYPE_64 0x04 /* 64 bit address */ 84 #define PCI_BASE_ADDRESS_MEM_PREFETCH 0x08 /* prefetchable? */ 85 #define PCI_BASE_ADDRESS_MEM_MASK (~(pciaddr_t)0x0f) 86 #define PCI_BASE_ADDRESS_IO_MASK (~(pciaddr_t)0x03) 87 /* bit 1 is reserved if address_space = 1 */ 88 89 /* Header type 0 (normal devices) */ 90 #define PCI_CARDBUS_CIS 0x28 91 #define PCI_SUBSYSTEM_VENDOR_ID 0x2c 92 #define PCI_SUBSYSTEM_ID 0x2e 93 #define PCI_ROM_ADDRESS 0x30 /* Bits 31..11 are address, 10..1 reserved */ 94 #define PCI_ROM_ADDRESS_ENABLE 0x01 95 #define PCI_ROM_ADDRESS_MASK (~(pciaddr_t)0x7ff) 96 97 #define PCI_CAPABILITY_LIST 0x34 /* Offset of first capability list entry */ 98 99 /* 0x35-0x3b are reserved */ 100 #define PCI_INTERRUPT_LINE 0x3c /* 8 bits */ 101 #define PCI_INTERRUPT_PIN 0x3d /* 8 bits */ 102 #define PCI_MIN_GNT 0x3e /* 8 bits */ 103 #define PCI_MAX_LAT 0x3f /* 8 bits */ 104 105 /* Header type 1 (PCI-to-PCI bridges) */ 106 #define PCI_PRIMARY_BUS 0x18 /* Primary bus number */ 107 #define PCI_SECONDARY_BUS 0x19 /* Secondary bus number */ 108 #define PCI_SUBORDINATE_BUS 0x1a /* Highest bus number behind the bridge */ 109 #define PCI_SEC_LATENCY_TIMER 0x1b /* Latency timer for secondary interface */ 110 #define PCI_IO_BASE 0x1c /* I/O range behind the bridge */ 111 #define PCI_IO_LIMIT 0x1d 112 #define PCI_IO_RANGE_TYPE_MASK 0x0f /* I/O bridging type */ 113 #define PCI_IO_RANGE_TYPE_16 0x00 114 #define PCI_IO_RANGE_TYPE_32 0x01 115 #define PCI_IO_RANGE_MASK ~0x0f 116 #define PCI_SEC_STATUS 0x1e /* Secondary status register */ 117 #define PCI_MEMORY_BASE 0x20 /* Memory range behind */ 118 #define PCI_MEMORY_LIMIT 0x22 119 #define PCI_MEMORY_RANGE_TYPE_MASK 0x0f 120 #define PCI_MEMORY_RANGE_MASK ~0x0f 121 #define PCI_PREF_MEMORY_BASE 0x24 /* Prefetchable memory range behind */ 122 #define PCI_PREF_MEMORY_LIMIT 0x26 123 #define PCI_PREF_RANGE_TYPE_MASK 0x0f 124 #define PCI_PREF_RANGE_TYPE_32 0x00 125 #define PCI_PREF_RANGE_TYPE_64 0x01 126 #define PCI_PREF_RANGE_MASK ~0x0f 127 #define PCI_PREF_BASE_UPPER32 0x28 /* Upper half of prefetchable memory range */ 128 #define PCI_PREF_LIMIT_UPPER32 0x2c 129 #define PCI_IO_BASE_UPPER16 0x30 /* Upper half of I/O addresses */ 130 #define PCI_IO_LIMIT_UPPER16 0x32 131 /* 0x34 same as for htype 0 */ 132 /* 0x35-0x3b is reserved */ 133 #define PCI_ROM_ADDRESS1 0x38 /* Same as PCI_ROM_ADDRESS, but for htype 1 */ 134 /* 0x3c-0x3d are same as for htype 0 */ 135 #define PCI_BRIDGE_CONTROL 0x3e 136 #define PCI_BRIDGE_CTL_PARITY 0x01 /* Enable parity detection on secondary interface */ 137 #define PCI_BRIDGE_CTL_SERR 0x02 /* The same for SERR forwarding */ 138 #define PCI_BRIDGE_CTL_NO_ISA 0x04 /* Disable bridging of ISA ports */ 139 #define PCI_BRIDGE_CTL_VGA 0x08 /* Forward VGA addresses */ 140 #define PCI_BRIDGE_CTL_VGA_16BIT 0x10 /* VGA 16-bit decode */ 141 #define PCI_BRIDGE_CTL_MASTER_ABORT 0x20 /* Report master aborts */ 142 #define PCI_BRIDGE_CTL_BUS_RESET 0x40 /* Secondary bus reset */ 143 #define PCI_BRIDGE_CTL_FAST_BACK 0x80 /* Fast Back2Back enabled on secondary interface */ 144 #define PCI_BRIDGE_CTL_PRI_DISCARD_TIMER 0x100 /* PCI-X? */ 145 #define PCI_BRIDGE_CTL_SEC_DISCARD_TIMER 0x200 /* PCI-X? */ 146 #define PCI_BRIDGE_CTL_DISCARD_TIMER_STATUS 0x400 /* PCI-X? */ 147 #define PCI_BRIDGE_CTL_DISCARD_TIMER_SERR_EN 0x800 /* PCI-X? */ 148 149 /* Header type 2 (CardBus bridges) */ 150 #define PCI_CB_CAPABILITY_LIST 0x14 151 /* 0x15 reserved */ 152 #define PCI_CB_SEC_STATUS 0x16 /* Secondary status */ 153 #define PCI_CB_PRIMARY_BUS 0x18 /* PCI bus number */ 154 #define PCI_CB_CARD_BUS 0x19 /* CardBus bus number */ 155 #define PCI_CB_SUBORDINATE_BUS 0x1a /* Subordinate bus number */ 156 #define PCI_CB_LATENCY_TIMER 0x1b /* CardBus latency timer */ 157 #define PCI_CB_MEMORY_BASE_0 0x1c 158 #define PCI_CB_MEMORY_LIMIT_0 0x20 159 #define PCI_CB_MEMORY_BASE_1 0x24 160 #define PCI_CB_MEMORY_LIMIT_1 0x28 161 #define PCI_CB_IO_BASE_0 0x2c 162 #define PCI_CB_IO_BASE_0_HI 0x2e 163 #define PCI_CB_IO_LIMIT_0 0x30 164 #define PCI_CB_IO_LIMIT_0_HI 0x32 165 #define PCI_CB_IO_BASE_1 0x34 166 #define PCI_CB_IO_BASE_1_HI 0x36 167 #define PCI_CB_IO_LIMIT_1 0x38 168 #define PCI_CB_IO_LIMIT_1_HI 0x3a 169 #define PCI_CB_IO_RANGE_MASK ~0x03 170 /* 0x3c-0x3d are same as for htype 0 */ 171 #define PCI_CB_BRIDGE_CONTROL 0x3e 172 #define PCI_CB_BRIDGE_CTL_PARITY 0x01 /* Similar to standard bridge control register */ 173 #define PCI_CB_BRIDGE_CTL_SERR 0x02 174 #define PCI_CB_BRIDGE_CTL_ISA 0x04 175 #define PCI_CB_BRIDGE_CTL_VGA 0x08 176 #define PCI_CB_BRIDGE_CTL_MASTER_ABORT 0x20 177 #define PCI_CB_BRIDGE_CTL_CB_RESET 0x40 /* CardBus reset */ 178 #define PCI_CB_BRIDGE_CTL_16BIT_INT 0x80 /* Enable interrupt for 16-bit cards */ 179 #define PCI_CB_BRIDGE_CTL_PREFETCH_MEM0 0x100 /* Prefetch enable for both memory regions */ 180 #define PCI_CB_BRIDGE_CTL_PREFETCH_MEM1 0x200 181 #define PCI_CB_BRIDGE_CTL_POST_WRITES 0x400 182 #define PCI_CB_SUBSYSTEM_VENDOR_ID 0x40 183 #define PCI_CB_SUBSYSTEM_ID 0x42 184 #define PCI_CB_LEGACY_MODE_BASE 0x44 /* 16-bit PC Card legacy mode base address (ExCa) */ 185 /* 0x48-0x7f reserved */ 186 187 /* Capability lists */ 188 189 #define PCI_CAP_LIST_ID 0 /* Capability ID */ 190 #define PCI_CAP_ID_NULL 0x00 /* Null Capability */ 191 #define PCI_CAP_ID_PM 0x01 /* Power Management */ 192 #define PCI_CAP_ID_AGP 0x02 /* Accelerated Graphics Port */ 193 #define PCI_CAP_ID_VPD 0x03 /* Vital Product Data */ 194 #define PCI_CAP_ID_SLOTID 0x04 /* Slot Identification */ 195 #define PCI_CAP_ID_MSI 0x05 /* Message Signaled Interrupts */ 196 #define PCI_CAP_ID_CHSWP 0x06 /* CompactPCI HotSwap */ 197 #define PCI_CAP_ID_PCIX 0x07 /* PCI-X */ 198 #define PCI_CAP_ID_HT 0x08 /* HyperTransport */ 199 #define PCI_CAP_ID_VNDR 0x09 /* Vendor specific */ 200 #define PCI_CAP_ID_DBG 0x0A /* Debug port */ 201 #define PCI_CAP_ID_CCRC 0x0B /* CompactPCI Central Resource Control */ 202 #define PCI_CAP_ID_HOTPLUG 0x0C /* PCI hot-plug */ 203 #define PCI_CAP_ID_SSVID 0x0D /* Bridge subsystem vendor/device ID */ 204 #define PCI_CAP_ID_AGP3 0x0E /* AGP 8x */ 205 #define PCI_CAP_ID_SECURE 0x0F /* Secure device (?) */ 206 #define PCI_CAP_ID_EXP 0x10 /* PCI Express */ 207 #define PCI_CAP_ID_MSIX 0x11 /* MSI-X */ 208 #define PCI_CAP_ID_SATA 0x12 /* Serial-ATA HBA */ 209 #define PCI_CAP_ID_AF 0x13 /* Advanced features of PCI devices integrated in PCIe root cplx */ 210 #define PCI_CAP_ID_EA 0x14 /* Enhanced Allocation */ 211 #define PCI_CAP_LIST_NEXT 1 /* Next capability in the list */ 212 #define PCI_CAP_FLAGS 2 /* Capability defined flags (16 bits) */ 213 #define PCI_CAP_SIZEOF 4 214 215 /* Capabilities residing in the PCI Express extended configuration space */ 216 217 #define PCI_EXT_CAP_ID_NULL 0x00 /* Null Capability */ 218 #define PCI_EXT_CAP_ID_AER 0x01 /* Advanced Error Reporting */ 219 #define PCI_EXT_CAP_ID_VC 0x02 /* Virtual Channel */ 220 #define PCI_EXT_CAP_ID_DSN 0x03 /* Device Serial Number */ 221 #define PCI_EXT_CAP_ID_PB 0x04 /* Power Budgeting */ 222 #define PCI_EXT_CAP_ID_RCLINK 0x05 /* Root Complex Link Declaration */ 223 #define PCI_EXT_CAP_ID_RCILINK 0x06 /* Root Complex Internal Link Declaration */ 224 #define PCI_EXT_CAP_ID_RCEC 0x07 /* Root Complex Event Collector */ 225 #define PCI_EXT_CAP_ID_MFVC 0x08 /* Multi-Function Virtual Channel */ 226 #define PCI_EXT_CAP_ID_VC2 0x09 /* Virtual Channel (2nd ID) */ 227 #define PCI_EXT_CAP_ID_RCRB 0x0a /* Root Complex Register Block */ 228 #define PCI_EXT_CAP_ID_VNDR 0x0b /* Vendor specific */ 229 #define PCI_EXT_CAP_ID_ACS 0x0d /* Access Controls */ 230 #define PCI_EXT_CAP_ID_ARI 0x0e /* Alternative Routing-ID Interpretation */ 231 #define PCI_EXT_CAP_ID_ATS 0x0f /* Address Translation Service */ 232 #define PCI_EXT_CAP_ID_SRIOV 0x10 /* Single Root I/O Virtualization */ 233 #define PCI_EXT_CAP_ID_MRIOV 0x11 /* Multi-Root I/O Virtualization */ 234 #define PCI_EXT_CAP_ID_MCAST 0x12 /* Multicast */ 235 #define PCI_EXT_CAP_ID_PRI 0x13 /* Page Request Interface */ 236 #define PCI_EXT_CAP_ID_REBAR 0x15 /* Resizable BAR */ 237 #define PCI_EXT_CAP_ID_DPA 0x16 /* Dynamic Power Allocation */ 238 #define PCI_EXT_CAP_ID_TPH 0x17 /* Transaction processing hints */ 239 #define PCI_EXT_CAP_ID_LTR 0x18 /* Latency Tolerance Reporting */ 240 #define PCI_EXT_CAP_ID_SECPCI 0x19 /* Secondary PCI Express */ 241 #define PCI_EXT_CAP_ID_PMUX 0x1a /* Protocol Multiplexing */ 242 #define PCI_EXT_CAP_ID_PASID 0x1b /* Process Address Space ID */ 243 #define PCI_EXT_CAP_ID_LNR 0x1c /* LN Requester */ 244 #define PCI_EXT_CAP_ID_DPC 0x1d /* Downstream Port Containment */ 245 #define PCI_EXT_CAP_ID_L1PM 0x1e /* L1 PM Substates */ 246 #define PCI_EXT_CAP_ID_PTM 0x1f /* Precision Time Measurement */ 247 #define PCI_EXT_CAP_ID_M_PCIE 0x20 /* PCIe over M-PHY */ 248 #define PCI_EXT_CAP_ID_FRS 0x21 /* FRS Queuing */ 249 #define PCI_EXT_CAP_ID_RTR 0x22 /* Readiness Time Reporting */ 250 #define PCI_EXT_CAP_ID_DVSEC 0x23 /* Designated Vendor-Specific */ 251 #define PCI_EXT_CAP_ID_VF_REBAR 0x24 /* VF Resizable BAR */ 252 #define PCI_EXT_CAP_ID_DLNK 0x25 /* Data Link Feature */ 253 #define PCI_EXT_CAP_ID_16GT 0x26 /* Physical Layer 16.0 GT/s */ 254 #define PCI_EXT_CAP_ID_LMR 0x27 /* Lane Margining at Receiver */ 255 #define PCI_EXT_CAP_ID_HIER_ID 0x28 /* Hierarchy ID */ 256 #define PCI_EXT_CAP_ID_NPEM 0x29 /* Native PCIe Enclosure Management */ 257 #define PCI_EXT_CAP_ID_32GT 0x2a /* Physical Layer 32.0 GT/s */ 258 #define PCI_EXT_CAP_ID_DOE 0x2e /* Data Object Exchange */ 259 #define PCI_EXT_CAP_ID_IDE 0x30 /* Integrity and Data Encryption */ 260 261 /*** Definitions of capabilities ***/ 262 263 /* Power Management Registers */ 264 265 #define PCI_PM_CAP_VER_MASK 0x0007 /* Version (2=PM1.1) */ 266 #define PCI_PM_CAP_PME_CLOCK 0x0008 /* Clock required for PME generation */ 267 #define PCI_PM_CAP_DSI 0x0020 /* Device specific initialization required */ 268 #define PCI_PM_CAP_AUX_C_MASK 0x01c0 /* Maximum aux current required in D3cold */ 269 #define PCI_PM_CAP_D1 0x0200 /* D1 power state support */ 270 #define PCI_PM_CAP_D2 0x0400 /* D2 power state support */ 271 #define PCI_PM_CAP_PME_D0 0x0800 /* PME can be asserted from D0 */ 272 #define PCI_PM_CAP_PME_D1 0x1000 /* PME can be asserted from D1 */ 273 #define PCI_PM_CAP_PME_D2 0x2000 /* PME can be asserted from D2 */ 274 #define PCI_PM_CAP_PME_D3_HOT 0x4000 /* PME can be asserted from D3hot */ 275 #define PCI_PM_CAP_PME_D3_COLD 0x8000 /* PME can be asserted from D3cold */ 276 #define PCI_PM_CTRL 4 /* PM control and status register */ 277 #define PCI_PM_CTRL_STATE_MASK 0x0003 /* Current power state (D0 to D3) */ 278 #define PCI_PM_CTRL_NO_SOFT_RST 0x0008 /* No Soft Reset from D3hot to D0 */ 279 #define PCI_PM_CTRL_PME_ENABLE 0x0100 /* PME pin enable */ 280 #define PCI_PM_CTRL_DATA_SEL_MASK 0x1e00 /* PM table data index */ 281 #define PCI_PM_CTRL_DATA_SCALE_MASK 0x6000 /* PM table data scaling factor */ 282 #define PCI_PM_CTRL_PME_STATUS 0x8000 /* PME pin status */ 283 #define PCI_PM_PPB_EXTENSIONS 6 /* PPB support extensions */ 284 #define PCI_PM_PPB_B2_B3 0x40 /* If bridge enters D3hot, bus enters: 0=B3, 1=B2 */ 285 #define PCI_PM_BPCC_ENABLE 0x80 /* Secondary bus is power managed */ 286 #define PCI_PM_DATA_REGISTER 7 /* PM table contents read here */ 287 #define PCI_PM_SIZEOF 8 288 289 /* AGP registers */ 290 291 #define PCI_AGP_VERSION 2 /* BCD version number */ 292 #define PCI_AGP_RFU 3 /* Rest of capability flags */ 293 #define PCI_AGP_STATUS 4 /* Status register */ 294 #define PCI_AGP_STATUS_RQ_MASK 0xff000000 /* Maximum number of requests - 1 */ 295 #define PCI_AGP_STATUS_ISOCH 0x10000 /* Isochronous transactions supported */ 296 #define PCI_AGP_STATUS_ARQSZ_MASK 0xe000 /* log2(optimum async req size in bytes) - 4 */ 297 #define PCI_AGP_STATUS_CAL_MASK 0x1c00 /* Calibration cycle timing */ 298 #define PCI_AGP_STATUS_SBA 0x0200 /* Sideband addressing supported */ 299 #define PCI_AGP_STATUS_ITA_COH 0x0100 /* In-aperture accesses always coherent */ 300 #define PCI_AGP_STATUS_GART64 0x0080 /* 64-bit GART entries supported */ 301 #define PCI_AGP_STATUS_HTRANS 0x0040 /* If 0, core logic can xlate host CPU accesses thru aperture */ 302 #define PCI_AGP_STATUS_64BIT 0x0020 /* 64-bit addressing cycles supported */ 303 #define PCI_AGP_STATUS_FW 0x0010 /* Fast write transfers supported */ 304 #define PCI_AGP_STATUS_AGP3 0x0008 /* AGP3 mode supported */ 305 #define PCI_AGP_STATUS_RATE4 0x0004 /* 4x transfer rate supported (RFU in AGP3 mode) */ 306 #define PCI_AGP_STATUS_RATE2 0x0002 /* 2x transfer rate supported (8x in AGP3 mode) */ 307 #define PCI_AGP_STATUS_RATE1 0x0001 /* 1x transfer rate supported (4x in AGP3 mode) */ 308 #define PCI_AGP_COMMAND 8 /* Control register */ 309 #define PCI_AGP_COMMAND_RQ_MASK 0xff000000 /* Master: Maximum number of requests */ 310 #define PCI_AGP_COMMAND_ARQSZ_MASK 0xe000 /* log2(optimum async req size in bytes) - 4 */ 311 #define PCI_AGP_COMMAND_CAL_MASK 0x1c00 /* Calibration cycle timing */ 312 #define PCI_AGP_COMMAND_SBA 0x0200 /* Sideband addressing enabled */ 313 #define PCI_AGP_COMMAND_AGP 0x0100 /* Allow processing of AGP transactions */ 314 #define PCI_AGP_COMMAND_GART64 0x0080 /* 64-bit GART entries enabled */ 315 #define PCI_AGP_COMMAND_64BIT 0x0020 /* Allow generation of 64-bit addr cycles */ 316 #define PCI_AGP_COMMAND_FW 0x0010 /* Enable FW transfers */ 317 #define PCI_AGP_COMMAND_RATE4 0x0004 /* Use 4x rate (RFU in AGP3 mode) */ 318 #define PCI_AGP_COMMAND_RATE2 0x0002 /* Use 2x rate (8x in AGP3 mode) */ 319 #define PCI_AGP_COMMAND_RATE1 0x0001 /* Use 1x rate (4x in AGP3 mode) */ 320 #define PCI_AGP_SIZEOF 12 321 322 /* Vital Product Data */ 323 324 #define PCI_VPD_ADDR 2 /* Address to access (15 bits!) */ 325 #define PCI_VPD_ADDR_MASK 0x7fff /* Address mask */ 326 #define PCI_VPD_ADDR_F 0x8000 /* Write 0, 1 indicates completion */ 327 #define PCI_VPD_DATA 4 /* 32-bits of data returned here */ 328 329 /* Slot Identification */ 330 331 #define PCI_SID_ESR 2 /* Expansion Slot Register */ 332 #define PCI_SID_ESR_NSLOTS 0x1f /* Number of expansion slots available */ 333 #define PCI_SID_ESR_FIC 0x20 /* First In Chassis Flag */ 334 #define PCI_SID_CHASSIS_NR 3 /* Chassis Number */ 335 336 /* Message Signaled Interrupts registers */ 337 338 #define PCI_MSI_FLAGS 2 /* Various flags */ 339 #define PCI_MSI_FLAGS_MASK_BIT 0x100 /* interrupt masking & reporting supported */ 340 #define PCI_MSI_FLAGS_64BIT 0x080 /* 64-bit addresses allowed */ 341 #define PCI_MSI_FLAGS_QSIZE 0x070 /* Message queue size configured */ 342 #define PCI_MSI_FLAGS_QMASK 0x00e /* Maximum queue size available */ 343 #define PCI_MSI_FLAGS_ENABLE 0x001 /* MSI feature enabled */ 344 #define PCI_MSI_RFU 3 /* Rest of capability flags */ 345 #define PCI_MSI_ADDRESS_LO 4 /* Lower 32 bits */ 346 #define PCI_MSI_ADDRESS_HI 8 /* Upper 32 bits (if PCI_MSI_FLAGS_64BIT set) */ 347 #define PCI_MSI_DATA_32 8 /* 16 bits of data for 32-bit devices */ 348 #define PCI_MSI_DATA_64 12 /* 16 bits of data for 64-bit devices */ 349 #define PCI_MSI_MASK_BIT_32 12 /* per-vector masking for 32-bit devices */ 350 #define PCI_MSI_MASK_BIT_64 16 /* per-vector masking for 64-bit devices */ 351 #define PCI_MSI_PENDING_32 16 /* per-vector interrupt pending for 32-bit devices */ 352 #define PCI_MSI_PENDING_64 20 /* per-vector interrupt pending for 64-bit devices */ 353 354 /* PCI-X */ 355 #define PCI_PCIX_COMMAND 2 /* Command register offset */ 356 #define PCI_PCIX_COMMAND_DPERE 0x0001 /* Data Parity Error Recover Enable */ 357 #define PCI_PCIX_COMMAND_ERO 0x0002 /* Enable Relaxed Ordering */ 358 #define PCI_PCIX_COMMAND_MAX_MEM_READ_BYTE_COUNT 0x000c /* Maximum Memory Read Byte Count */ 359 #define PCI_PCIX_COMMAND_MAX_OUTSTANDING_SPLIT_TRANS 0x0070 360 #define PCI_PCIX_COMMAND_RESERVED 0xf80 361 #define PCI_PCIX_STATUS 4 /* Status register offset */ 362 #define PCI_PCIX_STATUS_FUNCTION 0x00000007 363 #define PCI_PCIX_STATUS_DEVICE 0x000000f8 364 #define PCI_PCIX_STATUS_BUS 0x0000ff00 365 #define PCI_PCIX_STATUS_64BIT 0x00010000 366 #define PCI_PCIX_STATUS_133MHZ 0x00020000 367 #define PCI_PCIX_STATUS_SC_DISCARDED 0x00040000 /* Split Completion Discarded */ 368 #define PCI_PCIX_STATUS_UNEXPECTED_SC 0x00080000 /* Unexpected Split Completion */ 369 #define PCI_PCIX_STATUS_DEVICE_COMPLEXITY 0x00100000 /* 0 = simple device, 1 = bridge device */ 370 #define PCI_PCIX_STATUS_DESIGNED_MAX_MEM_READ_BYTE_COUNT 0x00600000 /* 0 = 512 bytes, 1 = 1024, 2 = 2048, 3 = 4096 */ 371 #define PCI_PCIX_STATUS_DESIGNED_MAX_OUTSTANDING_SPLIT_TRANS 0x03800000 372 #define PCI_PCIX_STATUS_DESIGNED_MAX_CUMULATIVE_READ_SIZE 0x1c000000 373 #define PCI_PCIX_STATUS_RCVD_SC_ERR_MESS 0x20000000 /* Received Split Completion Error Message */ 374 #define PCI_PCIX_STATUS_266MHZ 0x40000000 /* 266 MHz capable */ 375 #define PCI_PCIX_STATUS_533MHZ 0x80000000 /* 533 MHz capable */ 376 #define PCI_PCIX_SIZEOF 4 377 378 /* PCI-X Bridges */ 379 #define PCI_PCIX_BRIDGE_SEC_STATUS 2 /* Secondary bus status register offset */ 380 #define PCI_PCIX_BRIDGE_SEC_STATUS_64BIT 0x0001 381 #define PCI_PCIX_BRIDGE_SEC_STATUS_133MHZ 0x0002 382 #define PCI_PCIX_BRIDGE_SEC_STATUS_SC_DISCARDED 0x0004 /* Split Completion Discarded on secondary bus */ 383 #define PCI_PCIX_BRIDGE_SEC_STATUS_UNEXPECTED_SC 0x0008 /* Unexpected Split Completion on secondary bus */ 384 #define PCI_PCIX_BRIDGE_SEC_STATUS_SC_OVERRUN 0x0010 /* Split Completion Overrun on secondary bus */ 385 #define PCI_PCIX_BRIDGE_SEC_STATUS_SPLIT_REQUEST_DELAYED 0x0020 386 #define PCI_PCIX_BRIDGE_SEC_STATUS_CLOCK_FREQ 0x01c0 387 #define PCI_PCIX_BRIDGE_SEC_STATUS_RESERVED 0xfe00 388 #define PCI_PCIX_BRIDGE_STATUS 4 /* Primary bus status register offset */ 389 #define PCI_PCIX_BRIDGE_STATUS_FUNCTION 0x00000007 390 #define PCI_PCIX_BRIDGE_STATUS_DEVICE 0x000000f8 391 #define PCI_PCIX_BRIDGE_STATUS_BUS 0x0000ff00 392 #define PCI_PCIX_BRIDGE_STATUS_64BIT 0x00010000 393 #define PCI_PCIX_BRIDGE_STATUS_133MHZ 0x00020000 394 #define PCI_PCIX_BRIDGE_STATUS_SC_DISCARDED 0x00040000 /* Split Completion Discarded */ 395 #define PCI_PCIX_BRIDGE_STATUS_UNEXPECTED_SC 0x00080000 /* Unexpected Split Completion */ 396 #define PCI_PCIX_BRIDGE_STATUS_SC_OVERRUN 0x00100000 /* Split Completion Overrun */ 397 #define PCI_PCIX_BRIDGE_STATUS_SPLIT_REQUEST_DELAYED 0x00200000 398 #define PCI_PCIX_BRIDGE_STATUS_RESERVED 0xffc00000 399 #define PCI_PCIX_BRIDGE_UPSTREAM_SPLIT_TRANS_CTRL 8 /* Upstream Split Transaction Register offset */ 400 #define PCI_PCIX_BRIDGE_DOWNSTREAM_SPLIT_TRANS_CTRL 12 /* Downstream Split Transaction Register offset */ 401 #define PCI_PCIX_BRIDGE_STR_CAPACITY 0x0000ffff 402 #define PCI_PCIX_BRIDGE_STR_COMMITMENT_LIMIT 0xffff0000 403 #define PCI_PCIX_BRIDGE_SIZEOF 12 404 405 /* HyperTransport (as of spec rev. 2.00) */ 406 #define PCI_HT_CMD 2 /* Command Register */ 407 #define PCI_HT_CMD_TYP_HI 0xe000 /* Capability Type high part */ 408 #define PCI_HT_CMD_TYP_HI_PRI 0x0000 /* Slave or Primary Interface */ 409 #define PCI_HT_CMD_TYP_HI_SEC 0x2000 /* Host or Secondary Interface */ 410 #define PCI_HT_CMD_TYP 0xf800 /* Capability Type */ 411 #define PCI_HT_CMD_TYP_SW 0x4000 /* Switch */ 412 #define PCI_HT_CMD_TYP_IDC 0x8000 /* Interrupt Discovery and Configuration */ 413 #define PCI_HT_CMD_TYP_RID 0x8800 /* Revision ID */ 414 #define PCI_HT_CMD_TYP_UIDC 0x9000 /* UnitID Clumping */ 415 #define PCI_HT_CMD_TYP_ECSA 0x9800 /* Extended Configuration Space Access */ 416 #define PCI_HT_CMD_TYP_AM 0xa000 /* Address Mapping */ 417 #define PCI_HT_CMD_TYP_MSIM 0xa800 /* MSI Mapping */ 418 #define PCI_HT_CMD_TYP_DR 0xb000 /* DirectRoute */ 419 #define PCI_HT_CMD_TYP_VCS 0xb800 /* VCSet */ 420 #define PCI_HT_CMD_TYP_RM 0xc000 /* Retry Mode */ 421 #define PCI_HT_CMD_TYP_X86 0xc800 /* X86 (reserved) */ 422 423 /* Link Control Register */ 424 #define PCI_HT_LCTR_CFLE 0x0002 /* CRC Flood Enable */ 425 #define PCI_HT_LCTR_CST 0x0004 /* CRC Start Test */ 426 #define PCI_HT_LCTR_CFE 0x0008 /* CRC Force Error */ 427 #define PCI_HT_LCTR_LKFAIL 0x0010 /* Link Failure */ 428 #define PCI_HT_LCTR_INIT 0x0020 /* Initialization Complete */ 429 #define PCI_HT_LCTR_EOC 0x0040 /* End of Chain */ 430 #define PCI_HT_LCTR_TXO 0x0080 /* Transmitter Off */ 431 #define PCI_HT_LCTR_CRCERR 0x0f00 /* CRC Error */ 432 #define PCI_HT_LCTR_ISOCEN 0x1000 /* Isochronous Flow Control Enable */ 433 #define PCI_HT_LCTR_LSEN 0x2000 /* LDTSTOP# Tristate Enable */ 434 #define PCI_HT_LCTR_EXTCTL 0x4000 /* Extended CTL Time */ 435 #define PCI_HT_LCTR_64B 0x8000 /* 64-bit Addressing Enable */ 436 437 /* Link Configuration Register */ 438 #define PCI_HT_LCNF_MLWI 0x0007 /* Max Link Width In */ 439 #define PCI_HT_LCNF_LW_8B 0x0 /* Link Width 8 bits */ 440 #define PCI_HT_LCNF_LW_16B 0x1 /* Link Width 16 bits */ 441 #define PCI_HT_LCNF_LW_32B 0x3 /* Link Width 32 bits */ 442 #define PCI_HT_LCNF_LW_2B 0x4 /* Link Width 2 bits */ 443 #define PCI_HT_LCNF_LW_4B 0x5 /* Link Width 4 bits */ 444 #define PCI_HT_LCNF_LW_NC 0x7 /* Link physically not connected */ 445 #define PCI_HT_LCNF_DFI 0x0008 /* Doubleword Flow Control In */ 446 #define PCI_HT_LCNF_MLWO 0x0070 /* Max Link Width Out */ 447 #define PCI_HT_LCNF_DFO 0x0080 /* Doubleword Flow Control Out */ 448 #define PCI_HT_LCNF_LWI 0x0700 /* Link Width In */ 449 #define PCI_HT_LCNF_DFIE 0x0800 /* Doubleword Flow Control In Enable */ 450 #define PCI_HT_LCNF_LWO 0x7000 /* Link Width Out */ 451 #define PCI_HT_LCNF_DFOE 0x8000 /* Doubleword Flow Control Out Enable */ 452 453 /* Revision ID Register */ 454 #define PCI_HT_RID_MIN 0x1f /* Minor Revision */ 455 #define PCI_HT_RID_MAJ 0xe0 /* Major Revision */ 456 457 /* Link Frequency/Error Register */ 458 #define PCI_HT_LFRER_FREQ 0x0f /* Transmitter Clock Frequency */ 459 #define PCI_HT_LFRER_200 0x00 /* 200MHz */ 460 #define PCI_HT_LFRER_300 0x01 /* 300MHz */ 461 #define PCI_HT_LFRER_400 0x02 /* 400MHz */ 462 #define PCI_HT_LFRER_500 0x03 /* 500MHz */ 463 #define PCI_HT_LFRER_600 0x04 /* 600MHz */ 464 #define PCI_HT_LFRER_800 0x05 /* 800MHz */ 465 #define PCI_HT_LFRER_1000 0x06 /* 1.0GHz */ 466 #define PCI_HT_LFRER_1200 0x07 /* 1.2GHz */ 467 #define PCI_HT_LFRER_1400 0x08 /* 1.4GHz */ 468 #define PCI_HT_LFRER_1600 0x09 /* 1.6GHz */ 469 #define PCI_HT_LFRER_VEND 0x0f /* Vendor-Specific */ 470 #define PCI_HT_LFRER_ERR 0xf0 /* Link Error */ 471 #define PCI_HT_LFRER_PROT 0x10 /* Protocol Error */ 472 #define PCI_HT_LFRER_OV 0x20 /* Overflow Error */ 473 #define PCI_HT_LFRER_EOC 0x40 /* End of Chain Error */ 474 #define PCI_HT_LFRER_CTLT 0x80 /* CTL Timeout */ 475 476 /* Link Frequency Capability Register */ 477 #define PCI_HT_LFCAP_200 0x0001 /* 200MHz */ 478 #define PCI_HT_LFCAP_300 0x0002 /* 300MHz */ 479 #define PCI_HT_LFCAP_400 0x0004 /* 400MHz */ 480 #define PCI_HT_LFCAP_500 0x0008 /* 500MHz */ 481 #define PCI_HT_LFCAP_600 0x0010 /* 600MHz */ 482 #define PCI_HT_LFCAP_800 0x0020 /* 800MHz */ 483 #define PCI_HT_LFCAP_1000 0x0040 /* 1.0GHz */ 484 #define PCI_HT_LFCAP_1200 0x0080 /* 1.2GHz */ 485 #define PCI_HT_LFCAP_1400 0x0100 /* 1.4GHz */ 486 #define PCI_HT_LFCAP_1600 0x0200 /* 1.6GHz */ 487 #define PCI_HT_LFCAP_VEND 0x8000 /* Vendor-Specific */ 488 489 /* Feature Register */ 490 #define PCI_HT_FTR_ISOCFC 0x0001 /* Isochronous Flow Control Mode */ 491 #define PCI_HT_FTR_LDTSTOP 0x0002 /* LDTSTOP# Supported */ 492 #define PCI_HT_FTR_CRCTM 0x0004 /* CRC Test Mode */ 493 #define PCI_HT_FTR_ECTLT 0x0008 /* Extended CTL Time Required */ 494 #define PCI_HT_FTR_64BA 0x0010 /* 64-bit Addressing */ 495 #define PCI_HT_FTR_UIDRD 0x0020 /* UnitID Reorder Disable */ 496 497 /* Error Handling Register */ 498 #define PCI_HT_EH_PFLE 0x0001 /* Protocol Error Flood Enable */ 499 #define PCI_HT_EH_OFLE 0x0002 /* Overflow Error Flood Enable */ 500 #define PCI_HT_EH_PFE 0x0004 /* Protocol Error Fatal Enable */ 501 #define PCI_HT_EH_OFE 0x0008 /* Overflow Error Fatal Enable */ 502 #define PCI_HT_EH_EOCFE 0x0010 /* End of Chain Error Fatal Enable */ 503 #define PCI_HT_EH_RFE 0x0020 /* Response Error Fatal Enable */ 504 #define PCI_HT_EH_CRCFE 0x0040 /* CRC Error Fatal Enable */ 505 #define PCI_HT_EH_SERRFE 0x0080 /* System Error Fatal Enable (B */ 506 #define PCI_HT_EH_CF 0x0100 /* Chain Fail */ 507 #define PCI_HT_EH_RE 0x0200 /* Response Error */ 508 #define PCI_HT_EH_PNFE 0x0400 /* Protocol Error Nonfatal Enable */ 509 #define PCI_HT_EH_ONFE 0x0800 /* Overflow Error Nonfatal Enable */ 510 #define PCI_HT_EH_EOCNFE 0x1000 /* End of Chain Error Nonfatal Enable */ 511 #define PCI_HT_EH_RNFE 0x2000 /* Response Error Nonfatal Enable */ 512 #define PCI_HT_EH_CRCNFE 0x4000 /* CRC Error Nonfatal Enable */ 513 #define PCI_HT_EH_SERRNFE 0x8000 /* System Error Nonfatal Enable */ 514 515 /* HyperTransport: Slave or Primary Interface */ 516 #define PCI_HT_PRI_CMD 2 /* Command Register */ 517 #define PCI_HT_PRI_CMD_BUID 0x001f /* Base UnitID */ 518 #define PCI_HT_PRI_CMD_UC 0x03e0 /* Unit Count */ 519 #define PCI_HT_PRI_CMD_MH 0x0400 /* Master Host */ 520 #define PCI_HT_PRI_CMD_DD 0x0800 /* Default Direction */ 521 #define PCI_HT_PRI_CMD_DUL 0x1000 /* Drop on Uninitialized Link */ 522 523 #define PCI_HT_PRI_LCTR0 4 /* Link Control 0 Register */ 524 #define PCI_HT_PRI_LCNF0 6 /* Link Config 0 Register */ 525 #define PCI_HT_PRI_LCTR1 8 /* Link Control 1 Register */ 526 #define PCI_HT_PRI_LCNF1 10 /* Link Config 1 Register */ 527 #define PCI_HT_PRI_RID 12 /* Revision ID Register */ 528 #define PCI_HT_PRI_LFRER0 13 /* Link Frequency/Error 0 Register */ 529 #define PCI_HT_PRI_LFCAP0 14 /* Link Frequency Capability 0 Register */ 530 #define PCI_HT_PRI_FTR 16 /* Feature Register */ 531 #define PCI_HT_PRI_LFRER1 17 /* Link Frequency/Error 1 Register */ 532 #define PCI_HT_PRI_LFCAP1 18 /* Link Frequency Capability 1 Register */ 533 #define PCI_HT_PRI_ES 20 /* Enumeration Scratchpad Register */ 534 #define PCI_HT_PRI_EH 22 /* Error Handling Register */ 535 #define PCI_HT_PRI_MBU 24 /* Memory Base Upper Register */ 536 #define PCI_HT_PRI_MLU 25 /* Memory Limit Upper Register */ 537 #define PCI_HT_PRI_BN 26 /* Bus Number Register */ 538 #define PCI_HT_PRI_SIZEOF 28 539 540 /* HyperTransport: Host or Secondary Interface */ 541 #define PCI_HT_SEC_CMD 2 /* Command Register */ 542 #define PCI_HT_SEC_CMD_WR 0x0001 /* Warm Reset */ 543 #define PCI_HT_SEC_CMD_DE 0x0002 /* Double-Ended */ 544 #define PCI_HT_SEC_CMD_DN 0x007c /* Device Number */ 545 #define PCI_HT_SEC_CMD_CS 0x0080 /* Chain Side */ 546 #define PCI_HT_SEC_CMD_HH 0x0100 /* Host Hide */ 547 #define PCI_HT_SEC_CMD_AS 0x0400 /* Act as Slave */ 548 #define PCI_HT_SEC_CMD_HIECE 0x0800 /* Host Inbound End of Chain Error */ 549 #define PCI_HT_SEC_CMD_DUL 0x1000 /* Drop on Uninitialized Link */ 550 551 #define PCI_HT_SEC_LCTR 4 /* Link Control Register */ 552 #define PCI_HT_SEC_LCNF 6 /* Link Config Register */ 553 #define PCI_HT_SEC_RID 8 /* Revision ID Register */ 554 #define PCI_HT_SEC_LFRER 9 /* Link Frequency/Error Register */ 555 #define PCI_HT_SEC_LFCAP 10 /* Link Frequency Capability Register */ 556 #define PCI_HT_SEC_FTR 12 /* Feature Register */ 557 #define PCI_HT_SEC_FTR_EXTRS 0x0100 /* Extended Register Set */ 558 #define PCI_HT_SEC_FTR_UCNFE 0x0200 /* Upstream Configuration Enable */ 559 #define PCI_HT_SEC_ES 16 /* Enumeration Scratchpad Register */ 560 #define PCI_HT_SEC_EH 18 /* Error Handling Register */ 561 #define PCI_HT_SEC_MBU 20 /* Memory Base Upper Register */ 562 #define PCI_HT_SEC_MLU 21 /* Memory Limit Upper Register */ 563 #define PCI_HT_SEC_SIZEOF 24 564 565 /* HyperTransport: Switch */ 566 #define PCI_HT_SW_CMD 2 /* Switch Command Register */ 567 #define PCI_HT_SW_CMD_VIBERR 0x0080 /* VIB Error */ 568 #define PCI_HT_SW_CMD_VIBFL 0x0100 /* VIB Flood */ 569 #define PCI_HT_SW_CMD_VIBFT 0x0200 /* VIB Fatal */ 570 #define PCI_HT_SW_CMD_VIBNFT 0x0400 /* VIB Nonfatal */ 571 #define PCI_HT_SW_PMASK 4 /* Partition Mask Register */ 572 #define PCI_HT_SW_SWINF 8 /* Switch Info Register */ 573 #define PCI_HT_SW_SWINF_DP 0x0000001f /* Default Port */ 574 #define PCI_HT_SW_SWINF_EN 0x00000020 /* Enable Decode */ 575 #define PCI_HT_SW_SWINF_CR 0x00000040 /* Cold Reset */ 576 #define PCI_HT_SW_SWINF_PCIDX 0x00000f00 /* Performance Counter Index */ 577 #define PCI_HT_SW_SWINF_BLRIDX 0x0003f000 /* Base/Limit Range Index */ 578 #define PCI_HT_SW_SWINF_SBIDX 0x00002000 /* Secondary Base Range Index */ 579 #define PCI_HT_SW_SWINF_HP 0x00040000 /* Hot Plug */ 580 #define PCI_HT_SW_SWINF_HIDE 0x00080000 /* Hide Port */ 581 #define PCI_HT_SW_PCD 12 /* Performance Counter Data Register */ 582 #define PCI_HT_SW_BLRD 16 /* Base/Limit Range Data Register */ 583 #define PCI_HT_SW_SBD 20 /* Secondary Base Data Register */ 584 #define PCI_HT_SW_SIZEOF 24 585 586 /* Counter indices */ 587 #define PCI_HT_SW_PC_PCR 0x0 /* Posted Command Receive */ 588 #define PCI_HT_SW_PC_NPCR 0x1 /* Nonposted Command Receive */ 589 #define PCI_HT_SW_PC_RCR 0x2 /* Response Command Receive */ 590 #define PCI_HT_SW_PC_PDWR 0x3 /* Posted DW Receive */ 591 #define PCI_HT_SW_PC_NPDWR 0x4 /* Nonposted DW Receive */ 592 #define PCI_HT_SW_PC_RDWR 0x5 /* Response DW Receive */ 593 #define PCI_HT_SW_PC_PCT 0x6 /* Posted Command Transmit */ 594 #define PCI_HT_SW_PC_NPCT 0x7 /* Nonposted Command Transmit */ 595 #define PCI_HT_SW_PC_RCT 0x8 /* Response Command Transmit */ 596 #define PCI_HT_SW_PC_PDWT 0x9 /* Posted DW Transmit */ 597 #define PCI_HT_SW_PC_NPDWT 0xa /* Nonposted DW Transmit */ 598 #define PCI_HT_SW_PC_RDWT 0xb /* Response DW Transmit */ 599 600 /* Base/Limit Range indices */ 601 #define PCI_HT_SW_BLR_BASE0_LO 0x0 /* Base 0[31:1], Enable */ 602 #define PCI_HT_SW_BLR_BASE0_HI 0x1 /* Base 0 Upper */ 603 #define PCI_HT_SW_BLR_LIM0_LO 0x2 /* Limit 0 Lower */ 604 #define PCI_HT_SW_BLR_LIM0_HI 0x3 /* Limit 0 Upper */ 605 606 /* Secondary Base indices */ 607 #define PCI_HT_SW_SB_LO 0x0 /* Secondary Base[31:1], Enable */ 608 #define PCI_HT_SW_S0_HI 0x1 /* Secondary Base Upper */ 609 610 /* HyperTransport: Interrupt Discovery and Configuration */ 611 #define PCI_HT_IDC_IDX 2 /* Index Register */ 612 #define PCI_HT_IDC_DATA 4 /* Data Register */ 613 #define PCI_HT_IDC_SIZEOF 8 614 615 /* Register indices */ 616 #define PCI_HT_IDC_IDX_LINT 0x01 /* Last Interrupt Register */ 617 #define PCI_HT_IDC_LINT 0x00ff0000 /* Last interrupt definition */ 618 #define PCI_HT_IDC_IDX_IDR 0x10 /* Interrupt Definition Registers */ 619 /* Low part (at index) */ 620 #define PCI_HT_IDC_IDR_MASK 0x10000001 /* Mask */ 621 #define PCI_HT_IDC_IDR_POL 0x10000002 /* Polarity */ 622 #define PCI_HT_IDC_IDR_II_2 0x1000001c /* IntrInfo[4:2]: Message Type */ 623 #define PCI_HT_IDC_IDR_II_5 0x10000020 /* IntrInfo[5]: Request EOI */ 624 #define PCI_HT_IDC_IDR_II_6 0x00ffffc0 /* IntrInfo[23:6] */ 625 #define PCI_HT_IDC_IDR_II_24 0xff000000 /* IntrInfo[31:24] */ 626 /* High part (at index + 1) */ 627 #define PCI_HT_IDC_IDR_II_32 0x00ffffff /* IntrInfo[55:32] */ 628 #define PCI_HT_IDC_IDR_PASSPW 0x40000000 /* PassPW setting for messages */ 629 #define PCI_HT_IDC_IDR_WEOI 0x80000000 /* Waiting for EOI */ 630 631 /* HyperTransport: Revision ID */ 632 #define PCI_HT_RID_RID 2 /* Revision Register */ 633 #define PCI_HT_RID_SIZEOF 4 634 635 /* HyperTransport: UnitID Clumping */ 636 #define PCI_HT_UIDC_CS 4 /* Clumping Support Register */ 637 #define PCI_HT_UIDC_CE 8 /* Clumping Enable Register */ 638 #define PCI_HT_UIDC_SIZEOF 12 639 640 /* HyperTransport: Extended Configuration Space Access */ 641 #define PCI_HT_ECSA_ADDR 4 /* Configuration Address Register */ 642 #define PCI_HT_ECSA_ADDR_REG 0x00000ffc /* Register */ 643 #define PCI_HT_ECSA_ADDR_FUN 0x00007000 /* Function */ 644 #define PCI_HT_ECSA_ADDR_DEV 0x000f1000 /* Device */ 645 #define PCI_HT_ECSA_ADDR_BUS 0x0ff00000 /* Bus Number */ 646 #define PCI_HT_ECSA_ADDR_TYPE 0x10000000 /* Access Type */ 647 #define PCI_HT_ECSA_DATA 8 /* Configuration Data Register */ 648 #define PCI_HT_ECSA_SIZEOF 12 649 650 /* HyperTransport: Address Mapping */ 651 #define PCI_HT_AM_CMD 2 /* Command Register */ 652 #define PCI_HT_AM_CMD_NDMA 0x000f /* Number of DMA Mappings */ 653 #define PCI_HT_AM_CMD_IOSIZ 0x01f0 /* I/O Size */ 654 #define PCI_HT_AM_CMD_MT 0x0600 /* Map Type */ 655 #define PCI_HT_AM_CMD_MT_40B 0x0000 /* 40-bit */ 656 #define PCI_HT_AM_CMD_MT_64B 0x0200 /* 64-bit */ 657 658 /* Window Control Register bits */ 659 #define PCI_HT_AM_SBW_CTR_COMP 0x1 /* Compat */ 660 #define PCI_HT_AM_SBW_CTR_NCOH 0x2 /* NonCoherent */ 661 #define PCI_HT_AM_SBW_CTR_ISOC 0x4 /* Isochronous */ 662 #define PCI_HT_AM_SBW_CTR_EN 0x8 /* Enable */ 663 664 /* HyperTransport: 40-bit Address Mapping */ 665 #define PCI_HT_AM40_SBNPW 4 /* Secondary Bus Non-Prefetchable Window Register */ 666 #define PCI_HT_AM40_SBW_BASE 0x000fffff /* Window Base */ 667 #define PCI_HT_AM40_SBW_CTR 0xf0000000 /* Window Control */ 668 #define PCI_HT_AM40_SBPW 8 /* Secondary Bus Prefetchable Window Register */ 669 #define PCI_HT_AM40_DMA_PBASE0 12 /* DMA Window Primary Base 0 Register */ 670 #define PCI_HT_AM40_DMA_CTR0 15 /* DMA Window Control 0 Register */ 671 #define PCI_HT_AM40_DMA_CTR_CTR 0xf0 /* Window Control */ 672 #define PCI_HT_AM40_DMA_SLIM0 16 /* DMA Window Secondary Limit 0 Register */ 673 #define PCI_HT_AM40_DMA_SBASE0 18 /* DMA Window Secondary Base 0 Register */ 674 #define PCI_HT_AM40_SIZEOF 12 /* size is variable: 12 + 8 * NDMA */ 675 676 /* HyperTransport: 64-bit Address Mapping */ 677 #define PCI_HT_AM64_IDX 4 /* Index Register */ 678 #define PCI_HT_AM64_DATA_LO 8 /* Data Lower Register */ 679 #define PCI_HT_AM64_DATA_HI 12 /* Data Upper Register */ 680 #define PCI_HT_AM64_SIZEOF 16 681 682 /* Register indices */ 683 #define PCI_HT_AM64_IDX_SBNPW 0x00 /* Secondary Bus Non-Prefetchable Window Register */ 684 #define PCI_HT_AM64_W_BASE_LO 0xfff00000 /* Window Base Lower */ 685 #define PCI_HT_AM64_W_CTR 0x0000000f /* Window Control */ 686 #define PCI_HT_AM64_IDX_SBPW 0x01 /* Secondary Bus Prefetchable Window Register */ 687 #define PCI_HT_AM64_IDX_PBNPW 0x02 /* Primary Bus Non-Prefetchable Window Register */ 688 #define PCI_HT_AM64_IDX_DMAPB0 0x04 /* DMA Window Primary Base 0 Register */ 689 #define PCI_HT_AM64_IDX_DMASB0 0x05 /* DMA Window Secondary Base 0 Register */ 690 #define PCI_HT_AM64_IDX_DMASL0 0x06 /* DMA Window Secondary Limit 0 Register */ 691 692 /* HyperTransport: MSI Mapping */ 693 #define PCI_HT_MSIM_CMD 2 /* Command Register */ 694 #define PCI_HT_MSIM_CMD_EN 0x0001 /* Mapping Active */ 695 #define PCI_HT_MSIM_CMD_FIXD 0x0002 /* MSI Mapping Address Fixed */ 696 #define PCI_HT_MSIM_ADDR_LO 4 /* MSI Mapping Address Lower Register */ 697 #define PCI_HT_MSIM_ADDR_HI 8 /* MSI Mapping Address Upper Register */ 698 #define PCI_HT_MSIM_SIZEOF 12 699 700 /* HyperTransport: DirectRoute */ 701 #define PCI_HT_DR_CMD 2 /* Command Register */ 702 #define PCI_HT_DR_CMD_NDRS 0x000f /* Number of DirectRoute Spaces */ 703 #define PCI_HT_DR_CMD_IDX 0x01f0 /* Index */ 704 #define PCI_HT_DR_EN 4 /* Enable Vector Register */ 705 #define PCI_HT_DR_DATA 8 /* Data Register */ 706 #define PCI_HT_DR_SIZEOF 12 707 708 /* Register indices */ 709 #define PCI_HT_DR_IDX_BASE_LO 0x00 /* DirectRoute Base Lower Register */ 710 #define PCI_HT_DR_OTNRD 0x00000001 /* Opposite to Normal Request Direction */ 711 #define PCI_HT_DR_BL_LO 0xffffff00 /* Base/Limit Lower */ 712 #define PCI_HT_DR_IDX_BASE_HI 0x01 /* DirectRoute Base Upper Register */ 713 #define PCI_HT_DR_IDX_LIMIT_LO 0x02 /* DirectRoute Limit Lower Register */ 714 #define PCI_HT_DR_IDX_LIMIT_HI 0x03 /* DirectRoute Limit Upper Register */ 715 716 /* HyperTransport: VCSet */ 717 #define PCI_HT_VCS_SUP 4 /* VCSets Supported Register */ 718 #define PCI_HT_VCS_L1EN 5 /* Link 1 VCSets Enabled Register */ 719 #define PCI_HT_VCS_L0EN 6 /* Link 0 VCSets Enabled Register */ 720 #define PCI_HT_VCS_SBD 8 /* Stream Bucket Depth Register */ 721 #define PCI_HT_VCS_SINT 9 /* Stream Interval Register */ 722 #define PCI_HT_VCS_SSUP 10 /* Number of Streaming VCs Supported Register */ 723 #define PCI_HT_VCS_SSUP_0 0x00 /* Streaming VC 0 */ 724 #define PCI_HT_VCS_SSUP_3 0x01 /* Streaming VCs 0-3 */ 725 #define PCI_HT_VCS_SSUP_15 0x02 /* Streaming VCs 0-15 */ 726 #define PCI_HT_VCS_NFCBD 12 /* Non-FC Bucket Depth Register */ 727 #define PCI_HT_VCS_NFCINT 13 /* Non-FC Bucket Interval Register */ 728 #define PCI_HT_VCS_SIZEOF 16 729 730 /* HyperTransport: Retry Mode */ 731 #define PCI_HT_RM_CTR0 4 /* Control 0 Register */ 732 #define PCI_HT_RM_CTR_LRETEN 0x01 /* Link Retry Enable */ 733 #define PCI_HT_RM_CTR_FSER 0x02 /* Force Single Error */ 734 #define PCI_HT_RM_CTR_ROLNEN 0x04 /* Rollover Nonfatal Enable */ 735 #define PCI_HT_RM_CTR_FSS 0x08 /* Force Single Stomp */ 736 #define PCI_HT_RM_CTR_RETNEN 0x10 /* Retry Nonfatal Enable */ 737 #define PCI_HT_RM_CTR_RETFEN 0x20 /* Retry Fatal Enable */ 738 #define PCI_HT_RM_CTR_AA 0xc0 /* Allowed Attempts */ 739 #define PCI_HT_RM_STS0 5 /* Status 0 Register */ 740 #define PCI_HT_RM_STS_RETSNT 0x01 /* Retry Sent */ 741 #define PCI_HT_RM_STS_CNTROL 0x02 /* Count Rollover */ 742 #define PCI_HT_RM_STS_SRCV 0x04 /* Stomp Received */ 743 #define PCI_HT_RM_CTR1 6 /* Control 1 Register */ 744 #define PCI_HT_RM_STS1 7 /* Status 1 Register */ 745 #define PCI_HT_RM_CNT0 8 /* Retry Count 0 Register */ 746 #define PCI_HT_RM_CNT1 10 /* Retry Count 1 Register */ 747 #define PCI_HT_RM_SIZEOF 12 748 749 /* Vendor-Specific Capability (see PCI_EVNDR_xxx for the PCIe version) */ 750 #define PCI_VNDR_LENGTH 2 /* Length byte */ 751 752 /* PCI Express */ 753 #define PCI_EXP_FLAGS 0x2 /* Capabilities register */ 754 #define PCI_EXP_FLAGS_VERS 0x000f /* Capability version */ 755 #define PCI_EXP_FLAGS_TYPE 0x00f0 /* Device/Port type */ 756 #define PCI_EXP_TYPE_ENDPOINT 0x0 /* Express Endpoint */ 757 #define PCI_EXP_TYPE_LEG_END 0x1 /* Legacy Endpoint */ 758 #define PCI_EXP_TYPE_ROOT_PORT 0x4 /* Root Port */ 759 #define PCI_EXP_TYPE_UPSTREAM 0x5 /* Upstream Port */ 760 #define PCI_EXP_TYPE_DOWNSTREAM 0x6 /* Downstream Port */ 761 #define PCI_EXP_TYPE_PCI_BRIDGE 0x7 /* PCIe to PCI/PCI-X Bridge */ 762 #define PCI_EXP_TYPE_PCIE_BRIDGE 0x8 /* PCI/PCI-X to PCIe Bridge */ 763 #define PCI_EXP_TYPE_ROOT_INT_EP 0x9 /* Root Complex Integrated Endpoint */ 764 #define PCI_EXP_TYPE_ROOT_EC 0xa /* Root Complex Event Collector */ 765 #define PCI_EXP_FLAGS_SLOT 0x0100 /* Slot implemented */ 766 #define PCI_EXP_FLAGS_IRQ 0x3e00 /* Interrupt message number */ 767 #define PCI_EXP_DEVCAP 0x4 /* Device capabilities */ 768 #define PCI_EXP_DEVCAP_PAYLOAD 0x07 /* Max_Payload_Size */ 769 #define PCI_EXP_DEVCAP_PHANTOM 0x18 /* Phantom functions */ 770 #define PCI_EXP_DEVCAP_EXT_TAG 0x20 /* Extended tags */ 771 #define PCI_EXP_DEVCAP_L0S 0x1c0 /* L0s Acceptable Latency */ 772 #define PCI_EXP_DEVCAP_L1 0xe00 /* L1 Acceptable Latency */ 773 #define PCI_EXP_DEVCAP_ATN_BUT 0x1000 /* Attention Button Present */ 774 #define PCI_EXP_DEVCAP_ATN_IND 0x2000 /* Attention Indicator Present */ 775 #define PCI_EXP_DEVCAP_PWR_IND 0x4000 /* Power Indicator Present */ 776 #define PCI_EXP_DEVCAP_RBE 0x8000 /* Role-Based Error Reporting */ 777 #define PCI_EXP_DEVCAP_PWR_VAL 0x3fc0000 /* Slot Power Limit Value */ 778 #define PCI_EXP_DEVCAP_PWR_SCL 0xc000000 /* Slot Power Limit Scale */ 779 #define PCI_EXP_DEVCAP_FLRESET 0x10000000 /* Function-Level Reset */ 780 #define PCI_EXP_DEVCAP_TEE_IO 0x40000000 /* TEE-IO Supported (TDISP) */ 781 #define PCI_EXP_DEVCTL 0x8 /* Device Control */ 782 #define PCI_EXP_DEVCTL_CERE 0x0001 /* Correctable Error Reporting En. */ 783 #define PCI_EXP_DEVCTL_NFERE 0x0002 /* Non-Fatal Error Reporting Enable */ 784 #define PCI_EXP_DEVCTL_FERE 0x0004 /* Fatal Error Reporting Enable */ 785 #define PCI_EXP_DEVCTL_URRE 0x0008 /* Unsupported Request Reporting En. */ 786 #define PCI_EXP_DEVCTL_RELAXED 0x0010 /* Enable Relaxed Ordering */ 787 #define PCI_EXP_DEVCTL_PAYLOAD 0x00e0 /* Max_Payload_Size */ 788 #define PCI_EXP_DEVCTL_EXT_TAG 0x0100 /* Extended Tag Field Enable */ 789 #define PCI_EXP_DEVCTL_PHANTOM 0x0200 /* Phantom Functions Enable */ 790 #define PCI_EXP_DEVCTL_AUX_PME 0x0400 /* Auxiliary Power PM Enable */ 791 #define PCI_EXP_DEVCTL_NOSNOOP 0x0800 /* Enable No Snoop */ 792 #define PCI_EXP_DEVCTL_READRQ 0x7000 /* Max_Read_Request_Size */ 793 #define PCI_EXP_DEVCTL_BCRE 0x8000 /* Bridge Configuration Retry Enable */ 794 #define PCI_EXP_DEVCTL_FLRESET 0x8000 /* Function-Level Reset [bit shared with BCRE] */ 795 #define PCI_EXP_DEVSTA 0xa /* Device Status */ 796 #define PCI_EXP_DEVSTA_CED 0x01 /* Correctable Error Detected */ 797 #define PCI_EXP_DEVSTA_NFED 0x02 /* Non-Fatal Error Detected */ 798 #define PCI_EXP_DEVSTA_FED 0x04 /* Fatal Error Detected */ 799 #define PCI_EXP_DEVSTA_URD 0x08 /* Unsupported Request Detected */ 800 #define PCI_EXP_DEVSTA_AUXPD 0x10 /* AUX Power Detected */ 801 #define PCI_EXP_DEVSTA_TRPND 0x20 /* Transactions Pending */ 802 #define PCI_EXP_LNKCAP 0xc /* Link Capabilities */ 803 #define PCI_EXP_LNKCAP_SPEED 0x0000f /* Maximum Link Speed */ 804 #define PCI_EXP_LNKCAP_WIDTH 0x003f0 /* Maximum Link Width */ 805 #define PCI_EXP_LNKCAP_ASPM 0x00c00 /* Active State Power Management */ 806 #define PCI_EXP_LNKCAP_L0S 0x07000 /* L0s Exit Latency */ 807 #define PCI_EXP_LNKCAP_L1 0x38000 /* L1 Exit Latency */ 808 #define PCI_EXP_LNKCAP_CLOCKPM 0x40000 /* Clock Power Management */ 809 #define PCI_EXP_LNKCAP_SURPRISE 0x80000 /* Surprise Down Error Reporting */ 810 #define PCI_EXP_LNKCAP_DLLA 0x100000 /* Data Link Layer Active Reporting */ 811 #define PCI_EXP_LNKCAP_LBNC 0x200000 /* Link Bandwidth Notification Capability */ 812 #define PCI_EXP_LNKCAP_AOC 0x400000 /* ASPM Optionality Compliance */ 813 #define PCI_EXP_LNKCAP_PORT 0xff000000 /* Port Number */ 814 #define PCI_EXP_LNKCTL 0x10 /* Link Control */ 815 #define PCI_EXP_LNKCTL_ASPM 0x0003 /* ASPM Control */ 816 #define PCI_EXP_LNKCTL_RCB 0x0008 /* Read Completion Boundary */ 817 #define PCI_EXP_LNKCTL_DISABLE 0x0010 /* Link Disable */ 818 #define PCI_EXP_LNKCTL_RETRAIN 0x0020 /* Retrain Link */ 819 #define PCI_EXP_LNKCTL_CLOCK 0x0040 /* Common Clock Configuration */ 820 #define PCI_EXP_LNKCTL_XSYNCH 0x0080 /* Extended Synch */ 821 #define PCI_EXP_LNKCTL_CLOCKPM 0x0100 /* Clock Power Management */ 822 #define PCI_EXP_LNKCTL_HWAUTWD 0x0200 /* Hardware Autonomous Width Disable */ 823 #define PCI_EXP_LNKCTL_BWMIE 0x0400 /* Bandwidth Mgmt Interrupt Enable */ 824 #define PCI_EXP_LNKCTL_AUTBWIE 0x0800 /* Autonomous Bandwidth Mgmt Interrupt Enable */ 825 #define PCI_EXP_LNKSTA 0x12 /* Link Status */ 826 #define PCI_EXP_LNKSTA_SPEED 0x000f /* Negotiated Link Speed */ 827 #define PCI_EXP_LNKSTA_WIDTH 0x03f0 /* Negotiated Link Width */ 828 #define PCI_EXP_LNKSTA_TR_ERR 0x0400 /* Training Error (obsolete) */ 829 #define PCI_EXP_LNKSTA_TRAIN 0x0800 /* Link Training */ 830 #define PCI_EXP_LNKSTA_SL_CLK 0x1000 /* Slot Clock Configuration */ 831 #define PCI_EXP_LNKSTA_DL_ACT 0x2000 /* Data Link Layer in DL_Active State */ 832 #define PCI_EXP_LNKSTA_BWMGMT 0x4000 /* Bandwidth Mgmt Status */ 833 #define PCI_EXP_LNKSTA_AUTBW 0x8000 /* Autonomous Bandwidth Mgmt Status */ 834 #define PCI_EXP_SLTCAP 0x14 /* Slot Capabilities */ 835 #define PCI_EXP_SLTCAP_ATNB 0x0001 /* Attention Button Present */ 836 #define PCI_EXP_SLTCAP_PWRC 0x0002 /* Power Controller Present */ 837 #define PCI_EXP_SLTCAP_MRL 0x0004 /* MRL Sensor Present */ 838 #define PCI_EXP_SLTCAP_ATNI 0x0008 /* Attention Indicator Present */ 839 #define PCI_EXP_SLTCAP_PWRI 0x0010 /* Power Indicator Present */ 840 #define PCI_EXP_SLTCAP_HPS 0x0020 /* Hot-Plug Surprise */ 841 #define PCI_EXP_SLTCAP_HPC 0x0040 /* Hot-Plug Capable */ 842 #define PCI_EXP_SLTCAP_PWR_VAL 0x00007f80 /* Slot Power Limit Value */ 843 #define PCI_EXP_SLTCAP_PWR_SCL 0x00018000 /* Slot Power Limit Scale */ 844 #define PCI_EXP_SLTCAP_INTERLOCK 0x020000 /* Electromechanical Interlock Present */ 845 #define PCI_EXP_SLTCAP_NOCMDCOMP 0x040000 /* No Command Completed Support */ 846 #define PCI_EXP_SLTCAP_PSN 0xfff80000 /* Physical Slot Number */ 847 #define PCI_EXP_SLTCTL 0x18 /* Slot Control */ 848 #define PCI_EXP_SLTCTL_ATNB 0x0001 /* Attention Button Pressed Enable */ 849 #define PCI_EXP_SLTCTL_PWRF 0x0002 /* Power Fault Detected Enable */ 850 #define PCI_EXP_SLTCTL_MRLS 0x0004 /* MRL Sensor Changed Enable */ 851 #define PCI_EXP_SLTCTL_PRSD 0x0008 /* Presence Detect Changed Enable */ 852 #define PCI_EXP_SLTCTL_CMDC 0x0010 /* Command Completed Interrupt Enable */ 853 #define PCI_EXP_SLTCTL_HPIE 0x0020 /* Hot-Plug Interrupt Enable */ 854 #define PCI_EXP_SLTCTL_ATNI 0x00c0 /* Attention Indicator Control */ 855 #define PCI_EXP_SLTCTL_PWRI 0x0300 /* Power Indicator Control */ 856 #define PCI_EXP_SLTCTL_PWRC 0x0400 /* Power Controller Control */ 857 #define PCI_EXP_SLTCTL_INTERLOCK 0x0800 /* Electromechanical Interlock Control */ 858 #define PCI_EXP_SLTCTL_LLCHG 0x1000 /* Data Link Layer State Changed Enable */ 859 #define PCI_EXP_SLTSTA 0x1a /* Slot Status */ 860 #define PCI_EXP_SLTSTA_ATNB 0x0001 /* Attention Button Pressed */ 861 #define PCI_EXP_SLTSTA_PWRF 0x0002 /* Power Fault Detected */ 862 #define PCI_EXP_SLTSTA_MRLS 0x0004 /* MRL Sensor Changed */ 863 #define PCI_EXP_SLTSTA_PRSD 0x0008 /* Presence Detect Changed */ 864 #define PCI_EXP_SLTSTA_CMDC 0x0010 /* Command Completed */ 865 #define PCI_EXP_SLTSTA_MRL_ST 0x0020 /* MRL Sensor State */ 866 #define PCI_EXP_SLTSTA_PRES 0x0040 /* Presence Detect State */ 867 #define PCI_EXP_SLTSTA_INTERLOCK 0x0080 /* Electromechanical Interlock Status */ 868 #define PCI_EXP_SLTSTA_LLCHG 0x0100 /* Data Link Layer State Changed */ 869 #define PCI_EXP_RTCTL 0x1c /* Root Control */ 870 #define PCI_EXP_RTCTL_SECEE 0x0001 /* System Error on Correctable Error */ 871 #define PCI_EXP_RTCTL_SENFEE 0x0002 /* System Error on Non-Fatal Error */ 872 #define PCI_EXP_RTCTL_SEFEE 0x0004 /* System Error on Fatal Error */ 873 #define PCI_EXP_RTCTL_PMEIE 0x0008 /* PME Interrupt Enable */ 874 #define PCI_EXP_RTCTL_CRSVIS 0x0010 /* Configuration Request Retry Status Visible to SW */ 875 #define PCI_EXP_RTCAP 0x1e /* Root Capabilities */ 876 #define PCI_EXP_RTCAP_CRSVIS 0x0001 /* Configuration Request Retry Status Visible to SW */ 877 #define PCI_EXP_RTSTA 0x20 /* Root Status */ 878 #define PCI_EXP_RTSTA_PME_REQID 0x0000ffff /* PME Requester ID */ 879 #define PCI_EXP_RTSTA_PME_STATUS 0x00010000 /* PME Status */ 880 #define PCI_EXP_RTSTA_PME_PENDING 0x00020000 /* PME is Pending */ 881 #define PCI_EXP_DEVCAP2 0x24 /* Device capabilities 2 */ 882 #define PCI_EXP_DEVCAP2_TIMEOUT_RANGE(x) ((x) & 0xf) /* Completion Timeout Ranges Supported */ 883 #define PCI_EXP_DEVCAP2_TIMEOUT_DIS 0x0010 /* Completion Timeout Disable Supported */ 884 #define PCI_EXP_DEVCAP2_ARI 0x0020 /* ARI Forwarding Supported */ 885 #define PCI_EXP_DEVCAP2_ATOMICOP_ROUTING 0x0040 /* AtomicOp Routing Supported */ 886 #define PCI_EXP_DEVCAP2_32BIT_ATOMICOP_COMP 0x0080 /* 32bit AtomicOp Completer Supported */ 887 #define PCI_EXP_DEVCAP2_64BIT_ATOMICOP_COMP 0x0100 /* 64bit AtomicOp Completer Supported */ 888 #define PCI_EXP_DEVCAP2_128BIT_CAS_COMP 0x0200 /* 128bit CAS Completer Supported */ 889 #define PCI_EXP_DEVCAP2_NROPRPRP 0x0400 /* No RO-enabled PR-PR Passing */ 890 #define PCI_EXP_DEVCAP2_LTR 0x0800 /* LTR supported */ 891 #define PCI_EXP_DEVCAP2_TPH_COMP(x) (((x) >> 12) & 3) /* TPH Completer Supported */ 892 #define PCI_EXP_DEVCAP2_LN_CLS(x) (((x) >> 14) & 3) /* LN System CLS Supported */ 893 #define PCI_EXP_DEVCAP2_10BIT_TAG_COMP 0x00010000 /* 10 Bit Tag Completer */ 894 #define PCI_EXP_DEVCAP2_10BIT_TAG_REQ 0x00020000 /* 10 Bit Tag Requester */ 895 #define PCI_EXP_DEVCAP2_OBFF(x) (((x) >> 18) & 3) /* OBFF supported */ 896 #define PCI_EXP_DEVCAP2_EXTFMT 0x00100000 /* Extended Fmt Field Supported */ 897 #define PCI_EXP_DEVCAP2_EE_TLP 0x00200000 /* End-End TLP Prefix Supported */ 898 #define PCI_EXP_DEVCAP2_MEE_TLP(x) (((x) >> 22) & 3) /* Max End-End TLP Prefixes */ 899 #define PCI_EXP_DEVCAP2_EPR(x) (((x) >> 24) & 3) /* Emergency Power Reduction Supported */ 900 #define PCI_EXP_DEVCAP2_EPR_INIT 0x04000000 /* Emergency Power Reduction Initialization Required */ 901 #define PCI_EXP_DEVCAP2_FRS 0x80000000 /* FRS supported */ 902 #define PCI_EXP_DEVCTL2 0x28 /* Device Control */ 903 #define PCI_EXP_DEVCTL2_TIMEOUT_VALUE(x) ((x) & 0xf) /* Completion Timeout Value */ 904 #define PCI_EXP_DEVCTL2_TIMEOUT_DIS 0x0010 /* Completion Timeout Disable */ 905 #define PCI_EXP_DEVCTL2_ARI 0x0020 /* ARI Forwarding */ 906 #define PCI_EXP_DEVCTL2_ATOMICOP_REQUESTER_EN 0x0040 /* AtomicOp RequesterEnable */ 907 #define PCI_EXP_DEVCTL2_ATOMICOP_EGRESS_BLOCK 0x0080 /* AtomicOp Egress Blocking */ 908 #define PCI_EXP_DEVCTL2_IDO_REQ_EN 0x0100 /* Allow IDO for requests */ 909 #define PCI_EXP_DEVCTL2_IDO_CMP_EN 0x0200 /* Allow IDO for completions */ 910 #define PCI_EXP_DEVCTL2_LTR 0x0400 /* LTR enabled */ 911 #define PCI_EXP_DEVCTL2_EPR_REQ 0x0800 /* Emergency Power Reduction Request */ 912 #define PCI_EXP_DEVCTL2_10BIT_TAG_REQ 0x1000 /* 10 Bit Tag Requester enabled */ 913 #define PCI_EXP_DEVCTL2_OBFF(x) (((x) >> 13) & 3) /* OBFF enabled */ 914 #define PCI_EXP_DEVCTL2_EE_TLP_BLK 0x8000 /* End-End TLP Prefix Blocking */ 915 #define PCI_EXP_DEVSTA2 0x2a /* Device Status */ 916 #define PCI_EXP_LNKCAP2 0x2c /* Link Capabilities */ 917 #define PCI_EXP_LNKCAP2_SPEED(x) (((x) >> 1) & 0x7f) 918 #define PCI_EXP_LNKCAP2_CROSSLINK 0x00000100 /* Crosslink Supported */ 919 #define PCI_EXP_LNKCAP2_RETIMER 0x00800000 /* Retimer Supported */ 920 #define PCI_EXP_LNKCAP2_2RETIMERS 0x01000000 /* 2 Retimers Supported */ 921 #define PCI_EXP_LNKCAP2_DRS 0x80000000 /* Device Readiness Status */ 922 #define PCI_EXP_LNKCTL2 0x30 /* Link Control */ 923 #define PCI_EXP_LNKCTL2_SPEED(x) ((x) & 0xf) /* Target Link Speed */ 924 #define PCI_EXP_LNKCTL2_CMPLNC 0x0010 /* Enter Compliance */ 925 #define PCI_EXP_LNKCTL2_SPEED_DIS 0x0020 /* Hardware Autonomous Speed Disable */ 926 #define PCI_EXP_LNKCTL2_DEEMPHASIS(x) (((x) >> 6) & 1) /* Selectable De-emphasis */ 927 #define PCI_EXP_LNKCTL2_MARGIN(x) (((x) >> 7) & 7) /* Transmit Margin */ 928 #define PCI_EXP_LNKCTL2_MOD_CMPLNC 0x0400 /* Enter Modified Compliance */ 929 #define PCI_EXP_LNKCTL2_CMPLNC_SOS 0x0800 /* Compliance SOS */ 930 #define PCI_EXP_LNKCTL2_COM_DEEMPHASIS(x) (((x) >> 12) & 0xf) /* Compliance Preset/De-emphasis */ 931 #define PCI_EXP_LNKSTA2 0x32 /* Link Status */ 932 #define PCI_EXP_LINKSTA2_DEEMPHASIS(x) ((x) & 1) /* Current De-emphasis Level */ 933 #define PCI_EXP_LINKSTA2_EQU_COMP 0x02 /* Equalization Complete */ 934 #define PCI_EXP_LINKSTA2_EQU_PHASE1 0x04 /* Equalization Phase 1 Successful */ 935 #define PCI_EXP_LINKSTA2_EQU_PHASE2 0x08 /* Equalization Phase 2 Successful */ 936 #define PCI_EXP_LINKSTA2_EQU_PHASE3 0x10 /* Equalization Phase 3 Successful */ 937 #define PCI_EXP_LINKSTA2_EQU_REQ 0x20 /* Link Equalization Request */ 938 #define PCI_EXP_LINKSTA2_RETIMER 0x0040 /* Retimer Detected */ 939 #define PCI_EXP_LINKSTA2_2RETIMERS 0x0080 /* 2 Retimers Detected */ 940 #define PCI_EXP_LINKSTA2_CROSSLINK(x) (((x) >> 8) & 0x3) /* Crosslink Res */ 941 #define PCI_EXP_LINKSTA2_COMPONENT(x) (((x) >> 12) & 0x7) /* Presence */ 942 #define PCI_EXP_LINKSTA2_DRS_RCVD 0x8000 /* DRS Msg Received */ 943 #define PCI_EXP_SLTCAP2 0x34 /* Slot Capabilities */ 944 #define PCI_EXP_SLTCTL2 0x38 /* Slot Control */ 945 #define PCI_EXP_SLTSTA2 0x3a /* Slot Status */ 946 947 /* MSI-X */ 948 #define PCI_MSIX_ENABLE 0x8000 949 #define PCI_MSIX_MASK 0x4000 950 #define PCI_MSIX_TABSIZE 0x07ff 951 #define PCI_MSIX_TABLE 4 952 #define PCI_MSIX_PBA 8 953 #define PCI_MSIX_BIR 0x7 954 955 /* Subsystem vendor/device ID for PCI bridges */ 956 #define PCI_SSVID_VENDOR 4 957 #define PCI_SSVID_DEVICE 6 958 959 /* PCI Advanced Features */ 960 #define PCI_AF_CAP 3 961 #define PCI_AF_CAP_TP 0x01 962 #define PCI_AF_CAP_FLR 0x02 963 #define PCI_AF_CTRL 4 964 #define PCI_AF_CTRL_FLR 0x01 965 #define PCI_AF_STATUS 5 966 #define PCI_AF_STATUS_TP 0x01 967 968 /* SATA Host Bus Adapter */ 969 #define PCI_SATA_HBA_BARS 4 970 #define PCI_SATA_HBA_REG0 8 971 972 /* Enhanced Allocation (EA) */ 973 #define PCI_EA_CAP_TYPE1_SECONDARY 4 974 #define PCI_EA_CAP_TYPE1_SUBORDINATE 5 975 /* EA Entry header */ 976 #define PCI_EA_CAP_ENT_WRITABLE 0x40000000 /* Writable: 1 = RW, 0 = HwInit */ 977 #define PCI_EA_CAP_ENT_ENABLE 0x80000000 /* Enable for this entry */ 978 979 /*** Definitions of extended capabilities ***/ 980 981 /* Advanced Error Reporting */ 982 #define PCI_ERR_UNCOR_STATUS 4 /* Uncorrectable Error Status */ 983 #define PCI_ERR_UNC_TRAIN 0x00000001 /* Undefined in PCIe rev1.1 & 2.0 spec */ 984 #define PCI_ERR_UNC_DLP 0x00000010 /* Data Link Protocol */ 985 #define PCI_ERR_UNC_SDES 0x00000020 /* Surprise Down Error */ 986 #define PCI_ERR_UNC_POISON_TLP 0x00001000 /* Poisoned TLP */ 987 #define PCI_ERR_UNC_FCP 0x00002000 /* Flow Control Protocol */ 988 #define PCI_ERR_UNC_COMP_TIME 0x00004000 /* Completion Timeout */ 989 #define PCI_ERR_UNC_COMP_ABORT 0x00008000 /* Completer Abort */ 990 #define PCI_ERR_UNC_UNX_COMP 0x00010000 /* Unexpected Completion */ 991 #define PCI_ERR_UNC_RX_OVER 0x00020000 /* Receiver Overflow */ 992 #define PCI_ERR_UNC_MALF_TLP 0x00040000 /* Malformed TLP */ 993 #define PCI_ERR_UNC_ECRC 0x00080000 /* ECRC Error Status */ 994 #define PCI_ERR_UNC_UNSUP 0x00100000 /* Unsupported Request */ 995 #define PCI_ERR_UNC_ACS_VIOL 0x00200000 /* ACS Violation */ 996 #define PCI_ERR_UNC_INTERNAL 0x00400000 /* Uncorrectable Internal Error */ 997 #define PCI_ERR_UNC_MC_BLOCKED_TLP 0x00800000 /* MC Blocked TLP */ 998 #define PCI_ERR_UNC_ATOMICOP_EGRESS_BLOCKED 0x01000000 /* AtomicOp Egress Blocked */ 999 #define PCI_ERR_UNC_TLP_PREFIX_BLOCKED 0x02000000 /* TLP Prefix Blocked Error */ 1000 #define PCI_ERR_UNC_POISONED_TLP_EGRESS 0x04000000 /* Poisoned TLP Egress Blocked */ 1001 #define PCI_ERR_UNC_DMWR_REQ_EGRESS_BLOCKED 0x08000000 /* DMWr Request Egress Blocked */ 1002 #define PCI_ERR_UNC_IDE_CHECK 0x10000000 /* IDE Check Failed */ 1003 #define PCI_ERR_UNC_MISR_IDE_TLP 0x20000000 /* Misrouted IDE TLP */ 1004 #define PCI_ERR_UNC_PCRC_CHECK 0x40000000 /* PCRC Check Failed */ 1005 #define PCI_ERR_UNC_TLP_XLAT_EGRESS_BLOCKED 0x80000000 /* TLP Translation Egress Blocked */ 1006 #define PCI_ERR_UNCOR_MASK 8 /* Uncorrectable Error Mask */ 1007 /* Same bits as above */ 1008 #define PCI_ERR_UNCOR_SEVER 12 /* Uncorrectable Error Severity */ 1009 /* Same bits as above */ 1010 #define PCI_ERR_COR_STATUS 16 /* Correctable Error Status */ 1011 #define PCI_ERR_COR_RCVR 0x00000001 /* Receiver Error Status */ 1012 #define PCI_ERR_COR_BAD_TLP 0x00000040 /* Bad TLP Status */ 1013 #define PCI_ERR_COR_BAD_DLLP 0x00000080 /* Bad DLLP Status */ 1014 #define PCI_ERR_COR_REP_ROLL 0x00000100 /* REPLAY_NUM Rollover */ 1015 #define PCI_ERR_COR_REP_TIMER 0x00001000 /* Replay Timer Timeout */ 1016 #define PCI_ERR_COR_REP_ANFE 0x00002000 /* Advisory Non-Fatal Error */ 1017 #define PCI_ERR_COR_INTERNAL 0x00004000 /* Corrected Internal Error */ 1018 #define PCI_ERR_COR_HDRLOG_OVER 0x00008000 /* Header Log Overflow */ 1019 #define PCI_ERR_COR_MASK 20 /* Correctable Error Mask */ 1020 /* Same bits as above */ 1021 #define PCI_ERR_CAP 24 /* Advanced Error Capabilities */ 1022 #define PCI_ERR_CAP_FEP(x) ((x) & 31) /* First Error Pointer */ 1023 #define PCI_ERR_CAP_ECRC_GENC 0x00000020 /* ECRC Generation Capable */ 1024 #define PCI_ERR_CAP_ECRC_GENE 0x00000040 /* ECRC Generation Enable */ 1025 #define PCI_ERR_CAP_ECRC_CHKC 0x00000080 /* ECRC Check Capable */ 1026 #define PCI_ERR_CAP_ECRC_CHKE 0x00000100 /* ECRC Check Enable */ 1027 #define PCI_ERR_CAP_MULT_HDRC 0x00000200 /* Multiple Header Capable */ 1028 #define PCI_ERR_CAP_MULT_HDRE 0x00000400 /* Multiple Header Enable */ 1029 #define PCI_ERR_CAP_TLP_PFX 0x00000800 /* TLP Prefix Log Present */ 1030 #define PCI_ERR_CAP_HDR_LOG 0x00001000 /* Completion Timeout Prefix/Header Log Capable */ 1031 #define PCI_ERR_HEADER_LOG 28 /* Header Log Register (16 bytes) */ 1032 #define PCI_ERR_ROOT_COMMAND 44 /* Root Error Command */ 1033 #define PCI_ERR_ROOT_CMD_COR_EN 0x00000001 /* Correctable Error Reporting Enable */ 1034 #define PCI_ERR_ROOT_CMD_NONFATAL_EN 0x00000002 /* Non-Fatal Error Reporting Enable*/ 1035 #define PCI_ERR_ROOT_CMD_FATAL_EN 0x00000004 /* Fatal Error Reporting Enable */ 1036 #define PCI_ERR_ROOT_STATUS 48 /* Root Error Status */ 1037 #define PCI_ERR_ROOT_COR_RCV 0x00000001 /* ERR_COR Received */ 1038 #define PCI_ERR_ROOT_MULTI_COR_RCV 0x00000002 /* Multiple ERR_COR Received */ 1039 #define PCI_ERR_ROOT_UNCOR_RCV 0x00000004 /* ERR_FATAL/NONFATAL Received */ 1040 #define PCI_ERR_ROOT_MULTI_UNCOR_RCV 0x00000008 /* Multiple ERR_FATAL/NONFATAL Received */ 1041 #define PCI_ERR_ROOT_FIRST_FATAL 0x00000010 /* First Uncorrectable Fatal */ 1042 #define PCI_ERR_ROOT_NONFATAL_RCV 0x00000020 /* Non-Fatal Error Messages Received */ 1043 #define PCI_ERR_ROOT_FATAL_RCV 0x00000040 /* Fatal Error Messages Received */ 1044 #define PCI_ERR_MSG_NUM(x) (((x) >> 27) & 0x1f) /* MSI/MSI-X vector */ 1045 #define PCI_ERR_ROOT_COR_SRC 52 1046 #define PCI_ERR_ROOT_SRC 54 1047 1048 /* Virtual Channel */ 1049 #define PCI_VC_PORT_REG1 4 1050 #define PCI_VC_PORT_REG2 8 1051 #define PCI_VC_PORT_CTRL 12 1052 #define PCI_VC_PORT_STATUS 14 1053 #define PCI_VC_RES_CAP 16 1054 #define PCI_VC_RES_CTRL 20 1055 #define PCI_VC_RES_STATUS 26 1056 1057 /* Power Budgeting */ 1058 #define PCI_PWR_DSR 4 /* Data Select Register */ 1059 #define PCI_PWR_DATA 8 /* Data Register */ 1060 #define PCI_PWR_DATA_BASE(x) ((x) & 0xff) /* Base Power */ 1061 #define PCI_PWR_DATA_SCALE(x) (((x) >> 8) & 3) /* Data Scale */ 1062 #define PCI_PWR_DATA_PM_SUB(x) (((x) >> 10) & 7) /* PM Sub State */ 1063 #define PCI_PWR_DATA_PM_STATE(x) (((x) >> 13) & 3) /* PM State */ 1064 #define PCI_PWR_DATA_TYPE(x) (((x) >> 15) & 7) /* Type */ 1065 #define PCI_PWR_DATA_RAIL(x) (((x) >> 18) & 7) /* Power Rail */ 1066 #define PCI_PWR_CAP 12 /* Capability */ 1067 #define PCI_PWR_CAP_BUDGET(x) ((x) & 1) /* Included in system budget */ 1068 1069 /* Root Complex Link */ 1070 #define PCI_RCLINK_ESD 4 /* Element Self Description */ 1071 #define PCI_RCLINK_LINK1 16 /* First Link Entry */ 1072 #define PCI_RCLINK_LINK_DESC 0 /* Link Entry: Description */ 1073 #define PCI_RCLINK_LINK_ADDR 8 /* Link Entry: Address (64-bit) */ 1074 #define PCI_RCLINK_LINK_SIZE 16 /* Link Entry: sizeof */ 1075 1076 /* Root Complex Event Collector Endpoint Association */ 1077 #define PCI_RCEC_EP_CAP_VER(reg) (((reg) >> 16) & 0xf) 1078 #define PCI_RCEC_BUSN_REG_VER 0x02 /* as per PCIe sec 7.9.10.1 */ 1079 #define PCI_RCEC_RCIEP_BMAP 0x0004 /* as per PCIe sec 7.9.10.2 */ 1080 #define PCI_RCEC_BUSN_REG 0x0008 /* as per PCIe sec 7.9.10.3 */ 1081 1082 /* PCIe Vendor-Specific Capability */ 1083 #define PCI_EVNDR_HEADER 4 /* Vendor-Specific Header */ 1084 #define PCI_EVNDR_REGISTERS 8 /* Vendor-Specific Registers */ 1085 1086 /* PCIe Designated Vendor-Specific Capability */ 1087 #define PCI_DVSEC_HEADER1 4 /* Designated Vendor-Specific Header 1 */ 1088 #define PCI_DVSEC_HEADER2 8 /* Designated Vendor-Specific Header 2 */ 1089 #define PCI_DVSEC_VENDOR_ID_CXL 0x1e98 /* Designated Vendor-Specific Vendor ID for CXL */ 1090 #define PCI_DVSEC_ID_CXL 0 /* Designated Vendor-Specific ID for Intel CXL */ 1091 1092 /* PCIe CXL Designated Vendor-Specific Capabilities for Devices: Control, Status */ 1093 #define PCI_CXL_DEV_LEN 0x38 /* CXL Device DVSEC Length for Rev1 */ 1094 #define PCI_CXL_DEV_LEN_REV2 0x3c /* ... for Rev2 */ 1095 #define PCI_CXL_DEV_CAP 0x0a /* CXL Capability Register */ 1096 #define PCI_CXL_DEV_CAP_CACHE 0x0001 /* CXL.cache Protocol Support */ 1097 #define PCI_CXL_DEV_CAP_IO 0x0002 /* CXL.io Protocol Support */ 1098 #define PCI_CXL_DEV_CAP_MEM 0x0004 /* CXL.mem Protocol Support */ 1099 #define PCI_CXL_DEV_CAP_MEM_HWINIT 0x0008 /* CXL.mem Initializes with HW/FW Support */ 1100 #define PCI_CXL_DEV_CAP_HDM_CNT(x) (((x) & (3 << 4)) >> 4) /* CXL Number of HDM ranges */ 1101 #define PCI_CXL_DEV_CAP_VIRAL 0x4000 /* CXL Viral Handling Support */ 1102 #define PCI_CXL_DEV_CTRL 0x0c /* CXL Control Register */ 1103 #define PCI_CXL_DEV_CTRL_CACHE 0x0001 /* CXL.cache Protocol Enable */ 1104 #define PCI_CXL_DEV_CTRL_IO 0x0002 /* CXL.io Protocol Enable */ 1105 #define PCI_CXL_DEV_CTRL_MEM 0x0004 /* CXL.mem Protocol Enable */ 1106 #define PCI_CXL_DEV_CTRL_CACHE_SF_COV(x) (((x) & (0x1f << 3)) >> 3) /* Snoop Filter Coverage */ 1107 #define PCI_CXL_DEV_CTRL_CACHE_SF_GRAN(x) (((x) & (0x7 << 8)) >> 8) /* Snoop Filter Granularity */ 1108 #define PCI_CXL_DEV_CTRL_CACHE_CLN 0x0800 /* CXL.cache Performance Hint on Clean Evictions */ 1109 #define PCI_CXL_DEV_CTRL_VIRAL 0x4000 /* CXL Viral Handling Enable */ 1110 #define PCI_CXL_DEV_STATUS 0x0e /* CXL Status Register */ 1111 #define PCI_CXL_DEV_STATUS_VIRAL 0x4000 /* CXL Viral Handling Status */ 1112 #define PCI_CXL_DEV_CTRL2 0x10 /* CXL Control Register 2 */ 1113 #define PCI_CXL_DEV_CTRL2_DISABLE_CACHING 0x0001 1114 #define PCI_CXL_DEV_CTRL2_INIT_WB_INVAL 0x0002 1115 #define PCI_CXL_DEV_CTRL2_INIT_CXL_RST 0x0003 1116 #define PCI_CXL_DEV_CTRL2_INIT_CXL_RST_CLR_EN 0x0004 1117 #define PCI_CXL_DEV_CTRL2_INIT_CXL_HDM_STATE_HOTRST 0x0005 1118 #define PCI_CXL_DEV_STATUS2 0x12 1119 #define PCI_CXL_DEV_STATUS_CACHE_INV 0x0001 1120 #define PCI_CXL_DEV_STATUS_RC 0x0002 /* Device Reset Complete */ 1121 #define PCI_CXL_DEV_STATUS_RE 0x0004 /* Device Reset Error */ 1122 #define PCI_CXL_DEV_STATUS_PMC 0x8000 /* Power Management Init Complete */ 1123 #define PCI_CXL_DEV_CAP2 0x16 1124 #define PCI_CXL_DEV_CAP2_CACHE_UNK 0x0000 /* Cache Size Isn't Reported */ 1125 #define PCI_CXL_DEV_CAP2_CACHE_64K 0x0001 /* Unit Size 64K */ 1126 #define PCI_CXL_DEV_CAP2_CACHE_1M 0x0002 /* Unit Size 1M */ 1127 #define PCI_CXL_DEV_RANGE1_SIZE_HI 0x18 1128 #define PCI_CXL_DEV_RANGE1_SIZE_LO 0x1c 1129 #define PCI_CXL_RANGE_VALID 0x0001 1130 #define PCI_CXL_RANGE_ACTIVE 0x0002 1131 #define PCI_CXL_RANGE_TYPE(x) (((x) >> 2) & 0x7) 1132 #define PCI_CXL_RANGE_CLASS(x) (((x) >> 5) & 0x7) 1133 #define PCI_CXL_RANGE_INTERLEAVE(x) (((x) >> 8) & 0x1f) 1134 #define PCI_CXL_RANGE_TIMEOUT(x) (((x) >> 13) & 0x7) 1135 #define PCI_CXL_DEV_RANGE1_BASE_HI 0x20 1136 #define PCI_CXL_DEV_RANGE1_BASE_LO 0x24 1137 #define PCI_CXL_DEV_RANGE2_SIZE_HI 0x28 1138 #define PCI_CXL_DEV_RANGE2_SIZE_LO 0x2c 1139 #define PCI_CXL_DEV_RANGE2_BASE_HI 0x30 1140 #define PCI_CXL_DEV_RANGE2_BASE_LO 0x34 1141 /* From Rev2 */ 1142 #define PCI_CXL_DEV_CAP3 0x38 1143 #define PCI_CXL_DEV_CAP3_HDM_STATE_RST_COLD 0x0001 1144 #define PCI_CXL_DEV_CAP3_HDM_STATE_RST_WARM 0x0002 1145 #define PCI_CXL_DEV_CAP3_HDM_STATE_RST_HOT 0x0003 1146 #define PCI_CXL_DEV_CAP3_HDM_STATE_RST_HOT_CFG 0x0004 1147 1148 1149 /* PCIe CXL 2.0 Designated Vendor-Specific Capabilities for Ports */ 1150 #define PCI_CXL_PORT_EXT_LEN 0x28 /* CXL Extensions DVSEC for Ports Length */ 1151 #define PCI_CXL_PORT_EXT_STATUS 0x0a /* Port Extension Status */ 1152 #define PCI_CXL_PORT_PM_INIT_COMPLETE 0x1 /* Port Power Management Initialization Complete */ 1153 #define PCI_CXL_PORT_CTRL 0x0c /* Port Control Override */ 1154 #define PCI_CXL_PORT_UNMASK_SBR 0x0001 /* Unmask SBR */ 1155 #define PCI_CXL_PORT_UNMASK_LINK 0x0002 /* Unmask Link Disable */ 1156 #define PCI_CXL_PORT_ALT_MEMORY 0x0004 /* Alt Memory and ID Space Enable */ 1157 #define PCI_CXL_PORT_ALT_BME 0x0008 /* Alt BME */ 1158 #define PCI_CXL_PORT_VIRAL_EN 0x4000 /* Viral Enable */ 1159 #define PCI_CXL_PORT_ALT_BUS_BASE 0xe 1160 #define PCI_CXL_PORT_ALT_BUS_LIMIT 0xf 1161 #define PCI_CXL_PORT_ALT_MEM_BASE 0x10 1162 #define PCI_CXL_PORT_ALT_MEM_LIMIT 0x12 1163 1164 /* PCIe CXL 2.0 Designated Vendor-Specific Capabilities for Register Locator */ 1165 #define PCI_CXL_RL_BLOCK1_LO 0x0c 1166 1167 /* PCIe CXL Designated Vendor-Specific Capabilities for Global Persistent Flush */ 1168 #define PCI_CXL_GPF_DEV_LEN 0x10 1169 #define PCI_CXL_GPF_DEV_PHASE2_DUR 0x0a /* GPF Phase 2 Duration Register */ 1170 #define PCI_CXL_GPF_DEV_PHASE2_POW 0x0c /* GPF Phase 2 Power Register */ 1171 #define PCI_CXL_GPF_DEV_1US 0x0 1172 #define PCI_CXL_GPF_DEV_10US 0x1 1173 #define PCI_CXL_GPF_DEV_100US 0x2 1174 #define PCI_CXL_GPF_DEV_1MS 0x3 1175 #define PCI_CXL_GPF_DEV_10MS 0x4 1176 #define PCI_CXL_GPF_DEV_100MS 0x5 1177 #define PCI_CXL_GPF_DEV_1S 0x6 1178 #define PCI_CXL_GPF_DEV_10S 0x7 1179 #define PCI_CXL_GPF_PORT_LEN 0x10 1180 #define PCI_CXL_GPF_PORT_PHASE1_CTRL 0x0c /* GPF Phase 1 Control Register */ 1181 #define PCI_CXL_GPF_PORT_PHASE2_CTRL 0x0e /* GPF Phase 2 Control Register */ 1182 #define PCI_CXL_GPF_PORT_1US 0x0 1183 #define PCI_CXL_GPF_PORT_10US 0x1 1184 #define PCI_CXL_GPF_PORT_100US 0x2 1185 #define PCI_CXL_GPF_PORT_1MS 0x3 1186 #define PCI_CXL_GPF_PORT_10MS 0x4 1187 #define PCI_CXL_GPF_PORT_100MS 0x5 1188 #define PCI_CXL_GPF_PORT_1S 0x6 1189 #define PCI_CXL_GPF_PORT_10S 0x7 1190 1191 /* PCIe CXL Designated Vendor-Specific Capabilities for Flex Bus Port */ 1192 #define PCI_CXL_FB_LEN 0x20 1193 #define PCI_CXL_FB_PORT_CAP 0x0a /* CXL Flex Bus Port Capability Register */ 1194 #define PCI_CXL_FB_CAP_CACHE 0x0001 /* CXL.cache Capable */ 1195 #define PCI_CXL_FB_CAP_IO 0x0002 /* CXL.io Capable */ 1196 #define PCI_CXL_FB_CAP_MEM 0x0004 /* CXL.mem Capable */ 1197 #define PCI_CXL_FB_CAP_68B_FLIT 0x0020 /* CXL 68B Flit and VH Capable */ 1198 #define PCI_CXL_FB_CAP_MULT_LOG_DEV 0x0040 /* CXL Multi-Logical Device Capable */ 1199 #define PCI_CXL_FB_CAP_256B_FLIT 0x2000 /* CXL Latency Optimized 256B Flit Capable */ 1200 #define PCI_CXL_FB_CAP_PBR_FLIT 0x4000 /* CXL PBR Flit Capable */ 1201 #define PCI_CXL_FB_PORT_CTRL 0x0c /* CXL Flex Bus Port Control Register */ 1202 #define PCI_CXL_FB_CTRL_CACHE 0x0001 /* CXL.cache Enable */ 1203 #define PCI_CXL_FB_CTRL_IO 0x0002 /* CXL.io Enable */ 1204 #define PCI_CXL_FB_CTRL_MEM 0x0004 /* CXL.mem Enable */ 1205 #define PCI_CXL_FB_CTRL_SYNC_HDR_BYP 0x0008 /* CXL Sync Header Bypass Enable */ 1206 #define PCI_CXL_FB_CTRL_DRFT_BUF 0x0010 /* Drift Buffer Enable */ 1207 #define PCI_CXL_FB_CTRL_68B_FLIT 0x0020 /* CXL 68B Flit and VH Enable */ 1208 #define PCI_CXL_FB_CTRL_MULT_LOG_DEV 0x0040 /* CXL Multi Logical Device Enable */ 1209 #define PCI_CXL_FB_CTRL_RCD 0x0080 /* Disable RCD Training */ 1210 #define PCI_CXL_FB_CTRL_RETIMER1 0x0100 /* Retimer1 Present */ 1211 #define PCI_CXL_FB_CTRL_RETIMER2 0x0200 /* Retimer2 Present */ 1212 #define PCI_CXL_FB_CTRL_256B_FLIT 0x2000 /* CXL Latency Optimized 256B Flit Enable */ 1213 #define PCI_CXL_FB_CTRL_PBR_FLIT 0x4000 /* CXL PBR Flit Enable */ 1214 #define PCI_CXL_FB_PORT_STATUS 0x0e /* CXL Flex Bus Port Status Register */ 1215 #define PCI_CXL_FB_STAT_CACHE 0x0001 /* CXL.cache Enabled */ 1216 #define PCI_CXL_FB_STAT_IO 0x0002 /* CXL.io Enabled */ 1217 #define PCI_CXL_FB_STAT_MEM 0x0004 /* CXL.mem Enabled */ 1218 #define PCI_CXL_FB_STAT_SYNC_HDR_BYP 0x0008 /* CXL Sync Header Bypass Enabled */ 1219 #define PCI_CXL_FB_STAT_DRFT_BUF 0x0010 /* Drift Buffer Enabled */ 1220 #define PCI_CXL_FB_STAT_68B_FLIT 0x0020 /* CXL 68B Flit and VH Enabled */ 1221 #define PCI_CXL_FB_STAT_MULT_LOG_DEV 0x0040 /* CXL Multi Logical Device Enabled */ 1222 #define PCI_CXL_FB_STAT_256B_FLIT 0x2000 /* CXL Latency Optimized 256B Flit Enabled */ 1223 #define PCI_CXL_FB_STAT_PBR_FLIT 0x4000 /* CXL PBR Flit Enabled */ 1224 #define PCI_CXL_FB_MOD_TS_DATA 0x10 /* CXL Flex Bus Port Received Modified TS Data Phase1 Register */ 1225 #define PCI_CXL_FB_PORT_CAP2 0x14 /* CXL Flex Bus Port Capability2 Register */ 1226 #define PCI_CXL_FB_CAP2_NOP_HINT 0x01 /* NOP Hint Capable */ 1227 #define PCI_CXL_FB_PORT_CTRL2 0x18 /* CXL Flex Bus Port Control2 Register */ 1228 #define PCI_CXL_FB_CTRL2_NOP_HINT 0x01 /* NOP Hint Enable */ 1229 #define PCI_CXL_FB_PORT_STATUS2 0x1c /* CXL Flex Bus Port Status2 Register */ 1230 #define PCI_CXL_FB_NEXT_UNSUPPORTED 0x20 1231 1232 /* PCIe CXL Designated Vendor-Specific Capabilities for Multi-Logical Device */ 1233 #define PCI_CXL_MLD_LEN 0x10 1234 #define PCI_CXL_MLD_NUM_LD 0xa 1235 #define PCI_CXL_MLD_MAX_LD 0x10 1236 1237 /* PCIe CXL Designated Vendor-Specific Capabilities for Non-CXL Function Map */ 1238 #define PCI_CXL_FUN_MAP_LEN 0x2c 1239 #define PCI_CXL_FUN_MAP_REG_0 0x0c 1240 #define PCI_CXL_FUN_MAP_REG_1 0x10 1241 #define PCI_CXL_FUN_MAP_REG_2 0x14 1242 #define PCI_CXL_FUN_MAP_REG_3 0x18 1243 #define PCI_CXL_FUN_MAP_REG_4 0x1c 1244 #define PCI_CXL_FUN_MAP_REG_5 0x20 1245 #define PCI_CXL_FUN_MAP_REG_6 0x24 1246 #define PCI_CXL_FUN_MAP_REG_7 0x28 1247 1248 /* Access Control Services */ 1249 #define PCI_ACS_CAP 0x04 /* ACS Capability Register */ 1250 #define PCI_ACS_CAP_VALID 0x0001 /* ACS Source Validation */ 1251 #define PCI_ACS_CAP_BLOCK 0x0002 /* ACS Translation Blocking */ 1252 #define PCI_ACS_CAP_REQ_RED 0x0004 /* ACS P2P Request Redirect */ 1253 #define PCI_ACS_CAP_CMPLT_RED 0x0008 /* ACS P2P Completion Redirect */ 1254 #define PCI_ACS_CAP_FORWARD 0x0010 /* ACS Upstream Forwarding */ 1255 #define PCI_ACS_CAP_EGRESS 0x0020 /* ACS P2P Egress Control */ 1256 #define PCI_ACS_CAP_TRANS 0x0040 /* ACS Direct Translated P2P */ 1257 #define PCI_ACS_CAP_VECTOR(x) (((x) >> 8) & 0xff) /* Egress Control Vector Size */ 1258 #define PCI_ACS_CTRL 0x06 /* ACS Control Register */ 1259 #define PCI_ACS_CTRL_VALID 0x0001 /* ACS Source Validation Enable */ 1260 #define PCI_ACS_CTRL_BLOCK 0x0002 /* ACS Translation Blocking Enable */ 1261 #define PCI_ACS_CTRL_REQ_RED 0x0004 /* ACS P2P Request Redirect Enable */ 1262 #define PCI_ACS_CTRL_CMPLT_RED 0x0008 /* ACS P2P Completion Redirect Enable */ 1263 #define PCI_ACS_CTRL_FORWARD 0x0010 /* ACS Upstream Forwarding Enable */ 1264 #define PCI_ACS_CTRL_EGRESS 0x0020 /* ACS P2P Egress Control Enable */ 1265 #define PCI_ACS_CTRL_TRANS 0x0040 /* ACS Direct Translated P2P Enable */ 1266 #define PCI_ACS_EGRESS_CTRL 0x08 /* Egress Control Vector */ 1267 1268 /* Alternative Routing-ID Interpretation */ 1269 #define PCI_ARI_CAP 0x04 /* ARI Capability Register */ 1270 #define PCI_ARI_CAP_MFVC 0x0001 /* MFVC Function Groups Capability */ 1271 #define PCI_ARI_CAP_ACS 0x0002 /* ACS Function Groups Capability */ 1272 #define PCI_ARI_CAP_NFN(x) (((x) >> 8) & 0xff) /* Next Function Number */ 1273 #define PCI_ARI_CTRL 0x06 /* ARI Control Register */ 1274 #define PCI_ARI_CTRL_MFVC 0x0001 /* MFVC Function Groups Enable */ 1275 #define PCI_ARI_CTRL_ACS 0x0002 /* ACS Function Groups Enable */ 1276 #define PCI_ARI_CTRL_FG(x) (((x) >> 4) & 7) /* Function Group */ 1277 1278 /* Address Translation Service */ 1279 #define PCI_ATS_CAP 0x04 /* ATS Capability Register */ 1280 #define PCI_ATS_CAP_IQD(x) ((x) & 0x1f) /* Invalidate Queue Depth */ 1281 #define PCI_ATS_CTRL 0x06 /* ATS Control Register */ 1282 #define PCI_ATS_CTRL_STU(x) ((x) & 0x1f) /* Smallest Translation Unit */ 1283 #define PCI_ATS_CTRL_ENABLE 0x8000 /* ATS Enable */ 1284 1285 /* Single Root I/O Virtualization */ 1286 #define PCI_IOV_CAP 0x04 /* SR-IOV Capability Register */ 1287 #define PCI_IOV_CAP_VFM 0x00000001 /* VF Migration Capable */ 1288 #define PCI_IOV_CAP_VF_10BIT_TAG_REQ 0x00000004 /* VF 10-Bit Tag Requester Supported */ 1289 #define PCI_IOV_CAP_IMN(x) ((x) >> 21) /* VF Migration Interrupt Message Number */ 1290 #define PCI_IOV_CTRL 0x08 /* SR-IOV Control Register */ 1291 #define PCI_IOV_CTRL_VFE 0x0001 /* VF Enable */ 1292 #define PCI_IOV_CTRL_VFME 0x0002 /* VF Migration Enable */ 1293 #define PCI_IOV_CTRL_VFMIE 0x0004 /* VF Migration Interrupt Enable */ 1294 #define PCI_IOV_CTRL_MSE 0x0008 /* VF MSE */ 1295 #define PCI_IOV_CTRL_ARI 0x0010 /* ARI Capable Hierarchy */ 1296 #define PCI_IOV_CTRL_VF_10BIT_TAG_REQ_EN 0x0020 /* VF 10-Bit Tag Requester Enable */ 1297 #define PCI_IOV_STATUS 0x0a /* SR-IOV Status Register */ 1298 #define PCI_IOV_STATUS_MS 0x0001 /* VF Migration Status */ 1299 #define PCI_IOV_INITIALVF 0x0c /* Number of VFs that are initially associated */ 1300 #define PCI_IOV_TOTALVF 0x0e /* Maximum number of VFs that could be associated */ 1301 #define PCI_IOV_NUMVF 0x10 /* Number of VFs that are available */ 1302 #define PCI_IOV_FDL 0x12 /* Function Dependency Link */ 1303 #define PCI_IOV_OFFSET 0x14 /* First VF Offset */ 1304 #define PCI_IOV_STRIDE 0x16 /* Routing ID offset from one VF to the next one */ 1305 #define PCI_IOV_DID 0x1a /* VF Device ID */ 1306 #define PCI_IOV_SUPPS 0x1c /* Supported Page Sizes */ 1307 #define PCI_IOV_SYSPS 0x20 /* System Page Size */ 1308 #define PCI_IOV_BAR_BASE 0x24 /* VF BAR0, VF BAR1, ... VF BAR5 */ 1309 #define PCI_IOV_NUM_BAR 6 /* Number of VF BARs */ 1310 #define PCI_IOV_MSAO 0x3c /* VF Migration State Array Offset */ 1311 #define PCI_IOV_MSA_BIR(x) ((x) & 7) /* VF Migration State BIR */ 1312 #define PCI_IOV_MSA_OFFSET(x) ((x) & 0xfffffff8) /* VF Migration State Offset */ 1313 1314 /* Multicast */ 1315 #define PCI_MCAST_CAP 0x04 /* Multicast Capability */ 1316 #define PCI_MCAST_CAP_MAX_GROUP(x) ((x) & 0x3f) 1317 #define PCI_MCAST_CAP_WIN_SIZE(x) (((x) >> 8) & 0x3f) 1318 #define PCI_MCAST_CAP_ECRC 0x8000 /* ECRC Regeneration Supported */ 1319 #define PCI_MCAST_CTRL 0x06 /* Multicast Control */ 1320 #define PCI_MCAST_CTRL_NUM_GROUP(x) ((x) & 0x3f) 1321 #define PCI_MCAST_CTRL_ENABLE 0x8000 /* MC Enabled */ 1322 #define PCI_MCAST_BAR 0x08 /* Base Address */ 1323 #define PCI_MCAST_BAR_INDEX_POS(x) ((u32) ((x) & 0x3f)) 1324 #define PCI_MCAST_BAR_MASK (~0xfffUL) 1325 #define PCI_MCAST_RCV 0x10 /* Receive */ 1326 #define PCI_MCAST_BLOCK 0x18 /* Block All */ 1327 #define PCI_MCAST_BLOCK_UNTRANS 0x20 /* Block Untranslated */ 1328 #define PCI_MCAST_OVL_BAR 0x28 /* Overlay BAR */ 1329 #define PCI_MCAST_OVL_SIZE(x) ((u32) ((x) & 0x3f)) 1330 #define PCI_MCAST_OVL_MASK (~0x3fUL) 1331 1332 /* Page Request Interface */ 1333 #define PCI_PRI_CTRL 0x04 /* PRI Control Register */ 1334 #define PCI_PRI_CTRL_ENABLE 0x01 /* Enable */ 1335 #define PCI_PRI_CTRL_RESET 0x02 /* Reset */ 1336 #define PCI_PRI_STATUS 0x06 /* PRI status register */ 1337 #define PCI_PRI_STATUS_RF 0x0001 /* Response Failure */ 1338 #define PCI_PRI_STATUS_UPRGI 0x0002 /* Unexpected PRG index */ 1339 #define PCI_PRI_STATUS_STOPPED 0x0100 /* PRI Stopped */ 1340 #define PCI_PRI_STATUS_PASID 0x8000 /* PASID required in PRG response */ 1341 #define PCI_PRI_MAX_REQ 0x08 /* PRI max reqs supported */ 1342 #define PCI_PRI_ALLOC_REQ 0x0c /* PRI max reqs allowed */ 1343 1344 /* Transaction Processing Hints */ 1345 #define PCI_TPH_CAPABILITIES 4 1346 #define PCI_TPH_INTVEC_SUP (1<<1) /* Supports interrupt vector mode */ 1347 #define PCI_TPH_DEV_SUP (1<<2) /* Device specific mode supported */ 1348 #define PCI_TPH_EXT_REQ_SUP (1<<8) /* Supports extended requests */ 1349 #define PCI_TPH_ST_LOC_MASK (3<<9) /* Steering table location bits */ 1350 #define PCI_TPH_ST_NONE (0<<9) /* No steering table */ 1351 #define PCI_TPH_ST_CAP (1<<9) /* Steering table in TPH cap */ 1352 #define PCI_TPH_ST_MSIX (2<<9) /* Steering table in MSI-X table */ 1353 #define PCI_TPH_ST_SIZE_SHIFT (16) /* Encoded as size - 1 */ 1354 1355 /* Latency Tolerance Reporting */ 1356 #define PCI_LTR_MAX_SNOOP 4 /* 16 bit value */ 1357 #define PCI_LTR_VALUE_MASK (0x3ff) 1358 #define PCI_LTR_SCALE_SHIFT (10) 1359 #define PCI_LTR_SCALE_MASK (7) 1360 #define PCI_LTR_MAX_NOSNOOP 6 /* 16 bit value */ 1361 1362 /* Secondary PCI Express Extended Capability */ 1363 #define PCI_SEC_LNKCTL3 4 /* Link Control 3 register */ 1364 #define PCI_SEC_LNKCTL3_PERFORM_LINK_EQU 0x01 1365 #define PCI_SEC_LNKCTL3_LNK_EQU_REQ_INTR_EN 0x02 1366 #define PCI_SEC_LNKCTL3_ENBL_LOWER_SKP_OS_GEN_VEC(x) ((x >> 8) & 0x7F) 1367 #define PCI_SEC_LANE_ERR 8 /* Lane Error status register */ 1368 #define PCI_SEC_LANE_EQU_CTRL 12 /* Lane Equalization control register */ 1369 1370 /* Process Address Space ID */ 1371 #define PCI_PASID_CAP 0x04 /* PASID feature register */ 1372 #define PCI_PASID_CAP_EXEC 0x02 /* Exec permissions Supported */ 1373 #define PCI_PASID_CAP_PRIV 0x04 /* Privilege Mode Supported */ 1374 #define PCI_PASID_CAP_WIDTH(x) (((x) >> 8) & 0x1f) /* Max PASID Width */ 1375 #define PCI_PASID_CTRL 0x06 /* PASID control register */ 1376 #define PCI_PASID_CTRL_ENABLE 0x01 /* Enable bit */ 1377 #define PCI_PASID_CTRL_EXEC 0x02 /* Exec permissions Enable */ 1378 #define PCI_PASID_CTRL_PRIV 0x04 /* Privilege Mode Enable */ 1379 1380 #define PCI_DPC_CAP 4 /* DPC Capability */ 1381 #define PCI_DPC_CAP_INT_MSG(x) ((x) & 0x1f) /* DPC Interrupt Message Number */ 1382 #define PCI_DPC_CAP_RP_EXT 0x20 /* DPC Root Port Extensions */ 1383 #define PCI_DPC_CAP_TLP_BLOCK 0x40 /* DPC Poisoned TLP Egress Blocking */ 1384 #define PCI_DPC_CAP_SW_TRIGGER 0x80 /* DPC Software Trigger */ 1385 #define PCI_DPC_CAP_RP_LOG(x) (((x) >> 8) & 0xf) /* DPC RP PIO Log Size */ 1386 #define PCI_DPC_CAP_DL_ACT_ERR 0x1000 /* DPC DL_Active ERR_COR Signal */ 1387 #define PCI_DPC_CTL 6 /* DPC Control */ 1388 #define PCI_DPC_CTL_TRIGGER(x) ((x) & 0x3) /* DPC Trigger Enable */ 1389 #define PCI_DPC_CTL_CMPL 0x4 /* DPC Completion Control */ 1390 #define PCI_DPC_CTL_INT 0x8 /* DPC Interrupt Enabled */ 1391 #define PCI_DPC_CTL_ERR_COR 0x10 /* DPC ERR_COR Enabled */ 1392 #define PCI_DPC_CTL_TLP 0x20 /* DPC Poisoned TLP Egress Blocking Enabled */ 1393 #define PCI_DPC_CTL_SW_TRIGGER 0x40 /* DPC Software Trigger */ 1394 #define PCI_DPC_CTL_DL_ACTIVE 0x80 /* DPC DL_Active ERR_COR Enable */ 1395 #define PCI_DPC_STATUS 8 /* DPC STATUS */ 1396 #define PCI_DPC_STS_TRIGGER 0x01 /* DPC Trigger Status */ 1397 #define PCI_DPC_STS_REASON(x) (((x) >> 1) & 0x3) /* DPC Trigger Reason */ 1398 #define PCI_DPC_STS_INT 0x08 /* DPC Interrupt Status */ 1399 #define PCI_DPC_STS_RP_BUSY 0x10 /* DPC Root Port Busy */ 1400 #define PCI_DPC_STS_TRIGGER_EXT(x) (((x) >> 5) & 0x3) /* Trigger Reason Extension */ 1401 #define PCI_DPC_STS_PIO_FEP(x) (((x) >> 8) & 0x1f) /* DPC PIO First Error Pointer */ 1402 #define PCI_DPC_SOURCE 10 /* DPC Source ID */ 1403 1404 /* L1 PM Substates Extended Capability */ 1405 #define PCI_L1PM_SUBSTAT_CAP 0x4 /* L1 PM Substate Capability */ 1406 #define PCI_L1PM_SUBSTAT_CAP_PM_L12 0x1 /* PCI-PM L1.2 Supported */ 1407 #define PCI_L1PM_SUBSTAT_CAP_PM_L11 0x2 /* PCI-PM L1.1 Supported */ 1408 #define PCI_L1PM_SUBSTAT_CAP_ASPM_L12 0x4 /* ASPM L1.2 Supported */ 1409 #define PCI_L1PM_SUBSTAT_CAP_ASPM_L11 0x8 /* ASPM L1.1 Supported */ 1410 #define PCI_L1PM_SUBSTAT_CAP_L1PM_SUPP 0x10 /* L1 PM Substates supported */ 1411 #define PCI_L1PM_SUBSTAT_CTL1 0x8 /* L1 PM Substate Control 1 */ 1412 #define PCI_L1PM_SUBSTAT_CTL1_PM_L12 0x1 /* PCI-PM L1.2 Enable */ 1413 #define PCI_L1PM_SUBSTAT_CTL1_PM_L11 0x2 /* PCI-PM L1.1 Enable */ 1414 #define PCI_L1PM_SUBSTAT_CTL1_ASPM_L12 0x4 /* ASPM L1.2 Enable */ 1415 #define PCI_L1PM_SUBSTAT_CTL1_ASPM_L11 0x8 /* ASPM L1.1 Enable */ 1416 #define PCI_L1PM_SUBSTAT_CTL2 0xC /* L1 PM Substate Control 2 */ 1417 1418 /* Data Object Exchange Extended Capability */ 1419 #define PCI_DOE_CAP 0x4 /* DOE Capabilities Register */ 1420 #define PCI_DOE_CAP_INT_SUPP 0x1 /* Interrupt Support */ 1421 #define PCI_DOE_CAP_INT_MSG(x) (((x) >> 1) & 0x7ff) /* DOE Interrupt Message Number */ 1422 #define PCI_DOE_CTL 0x8 /* DOE Control Register */ 1423 #define PCI_DOE_CTL_ABORT 0x1 /* DOE Abort */ 1424 #define PCI_DOE_CTL_INT 0x2 /* DOE Interrupt Enable */ 1425 #define PCI_DOE_CTL_GO 0x80000000 /* DOE Go */ 1426 #define PCI_DOE_STS 0xC /* DOE Status Register */ 1427 #define PCI_DOE_STS_BUSY 0x1 /* DOE Busy */ 1428 #define PCI_DOE_STS_INT 0x2 /* DOE Interrupt Status */ 1429 #define PCI_DOE_STS_ERROR 0x4 /* DOE Error */ 1430 #define PCI_DOE_STS_OBJECT_READY 0x80000000 /* Data Object Ready */ 1431 1432 /* Lane Margining at the Receiver Extended Capability */ 1433 #define PCI_LMR_CAPS 0x4 /* Margining Port Capabilities Register */ 1434 #define PCI_LMR_CAPS_DRVR 0x1 /* Margining uses Driver Software */ 1435 #define PCI_LMR_PORT_STS 0x6 /* Margining Port Status Register */ 1436 #define PCI_LMR_PORT_STS_READY 0x1 /* Margining Ready */ 1437 #define PCI_LMR_PORT_STS_SOFT_READY 0x2 /* Margining Software Ready */ 1438 1439 /* Integrity and Data Encryption Extended Capability */ 1440 #define PCI_IDE_CAP 0x4 1441 #define PCI_IDE_CAP_LINK_IDE_SUPP 0x1 /* Link IDE Stream Supported */ 1442 #define PCI_IDE_CAP_SELECTIVE_IDE_SUPP 0x2 /* Selective IDE Streams Supported */ 1443 #define PCI_IDE_CAP_FLOWTHROUGH_IDE_SUPP 0x4 /* Flow-Through IDE Stream Supported */ 1444 #define PCI_IDE_CAP_PARTIAL_HEADER_ENC_SUPP 0x8 /* Partial Header Encryption Supported */ 1445 #define PCI_IDE_CAP_AGGREGATION_SUPP 0x10 /* Aggregation Supported */ 1446 #define PCI_IDE_CAP_PCRC_SUPP 0x20 /* PCRC Supported */ 1447 #define PCI_IDE_CAP_IDE_KM_SUPP 0x40 /* IDE_KM Protocol Supported */ 1448 #define PCI_IDE_CAP_ALG(x) (((x) >> 8) & 0x1f) /* Supported Algorithms */ 1449 #define PCI_IDE_CAP_ALG_AES_GCM_256 0 /* AES-GCM 256 key size, 96b MAC */ 1450 #define PCI_IDE_CAP_LINK_TC_NUM(x) (((x) >> 13) & 0x7) /* Number of TCs Supported for Link IDE */ 1451 #define PCI_IDE_CAP_SELECTIVE_STREAMS_NUM(x) (((x) >> 16) & 0xff) /* Number of Selective IDE Streams Supported */ 1452 #define PCI_IDE_CAP_TEE_LIMITED_SUPP 0x1000000 /* TEE-Limited Stream Supported */ 1453 #define PCI_IDE_CTL 0x8 1454 #define PCI_IDE_CTL_FLOWTHROUGH_IDE 0x4 /* Flow-Through IDE Stream Enabled */ 1455 #define PCI_IDE_LINK_STREAM 0xC 1456 /* Link IDE Stream block, up to PCI_IDE_CAP_LINK_TC_NUM */ 1457 /* Link IDE Stream Control Register */ 1458 #define PCI_IDE_LINK_CTL_EN 0x1 /* Link IDE Stream Enable */ 1459 #define PCI_IDE_LINK_CTL_TX_AGGR_NPR(x)(((x) >> 2) & 0x3) /* Tx Aggregation Mode NPR */ 1460 #define PCI_IDE_LINK_CTL_TX_AGGR_PR(x) (((x) >> 4) & 0x3) /* Tx Aggregation Mode PR */ 1461 #define PCI_IDE_LINK_CTL_TX_AGGR_CPL(x)(((x) >> 6) & 0x3) /* Tx Aggregation Mode CPL */ 1462 #define PCI_IDE_LINK_CTL_PCRC_EN 0x100 /* PCRC Enable */ 1463 #define PCI_IDE_LINK_CTL_PART_ENC(x) (((x) >> 10) & 0xf) /* Partial Header Encryption Mode */ 1464 #define PCI_IDE_LINK_CTL_ALG(x) (((x) >> 14) & 0x1f) /* Selected Algorithm */ 1465 #define PCI_IDE_LINK_CTL_TC(x) (((x) >> 19) & 0x7) /* Traffic Class */ 1466 #define PCI_IDE_LINK_CTL_ID(x) (((x) >> 24) & 0xff) /* Stream ID */ 1467 /* Link IDE Stream Status Register */ 1468 #define PCI_IDE_LINK_STS_STATUS(x) ((x) & 0xf) /* Link IDE Stream State */ 1469 #define PCI_IDE_LINK_STS_RECVD_INTEGRITY_CHECK 0x80000000 /* Received Integrity Check Fail Message */ 1470 /* Selective IDE Stream block, up to PCI_IDE_CAP_SELECTIVE_STREAMS_NUM */ 1471 /* Selective IDE Stream Capability Register */ 1472 #define PCI_IDE_SEL_CAP_BLOCKS_NUM(x) ((x) & 0xf) /* Number of Address Association Register Blocks */ 1473 /* Selective IDE Stream Control Register */ 1474 #define PCI_IDE_SEL_CTL_EN 0x1 /* Selective IDE Stream Enable */ 1475 #define PCI_IDE_SEL_CTL_TX_AGGR_NPR(x) (((x) >> 2) & 0x3) /* Tx Aggregation Mode NPR */ 1476 #define PCI_IDE_SEL_CTL_TX_AGGR_PR(x) (((x) >> 4) & 0x3) /* Tx Aggregation Mode PR */ 1477 #define PCI_IDE_SEL_CTL_TX_AGGR_CPL(x) (((x) >> 6) & 0x3) /* Tx Aggregation Mode CPL */ 1478 #define PCI_IDE_SEL_CTL_PCRC_EN 0x100 /* PCRC Enable */ 1479 #define PCI_IDE_SEL_CTL_CFG_EN 0x200 /* Selective IDE for Configuration Requests Enable */ 1480 #define PCI_IDE_SEL_CTL_PART_ENC(x) (((x) >> 10) & 0xf) /* Partial Header Encryption Mode */ 1481 #define PCI_IDE_SEL_CTL_ALG(x) (((x) >> 14) & 0x1f) /* Selected Algorithm */ 1482 #define PCI_IDE_SEL_CTL_TC(x) (((x) >> 19) & 0x7) /* Traffic Class */ 1483 #define PCI_IDE_SEL_CTL_DEFAULT 0x400000 /* Default Stream */ 1484 #define PCI_IDE_SEL_CTL_ID(x) (((x) >> 24) & 0xff) /* Stream ID */ 1485 /* Selective IDE Stream Status Register */ 1486 #define PCI_IDE_SEL_STS_STATUS(x) ((x) & 0xf) /* Selective IDE Stream State */ 1487 #define PCI_IDE_SEL_STS_RECVD_INTEGRITY_CHECK 0x80000000 /* Received Integrity Check Fail Message */ 1488 /* IDE RID Association Register 1 */ 1489 #define PCI_IDE_SEL_RID_1_LIMIT(x) (((x) >> 8) & 0xffff) /* RID Limit */ 1490 /* IDE RID Association Register 2 */ 1491 #define PCI_IDE_SEL_RID_2_VALID 0x1 /* Valid */ 1492 #define PCI_IDE_SEL_RID_2_BASE(x) (((x) >> 8) & 0xffff) /* RID Base */ 1493 #define PCI_IDE_SEL_RID_2_SEG_BASE(x) (((x) >> 24) & 0xff) /* Segmeng Base */ 1494 /* Selective IDE Address Association Register Block, up to PCI_IDE_SEL_CAP_BLOCKS_NUM */ 1495 #define PCI_IDE_SEL_ADDR_1_VALID 0x1 /* Valid */ 1496 #define PCI_IDE_SEL_ADDR_1_BASE_LOW(x) (((x) >> 8) & 0xfff) /* Memory Base Lower */ 1497 #define PCI_IDE_SEL_ADDR_1_LIMIT_LOW(x)(((x) >> 20) & 0xfff) /* Memory Limit Lower */ 1498 /* IDE Address Association Register 2 is "Memory Limit Upper" */ 1499 /* IDE Address Association Register 3 is "Memory Base Upper" */ 1500 1501 /* 1502 * The PCI interface treats multi-function devices as independent 1503 * devices. The slot/function address of each device is encoded 1504 * in a single byte as follows: 1505 * 1506 * 7:3 = slot 1507 * 2:0 = function 1508 */ 1509 #define PCI_DEVFN(slot,func) ((((slot) & 0x1f) << 3) | ((func) & 0x07)) 1510 #define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f) 1511 #define PCI_FUNC(devfn) ((devfn) & 0x07) 1512 1513 /* Device classes and subclasses */ 1514 1515 #define PCI_CLASS_NOT_DEFINED 0x0000 1516 #define PCI_CLASS_NOT_DEFINED_VGA 0x0001 1517 1518 #define PCI_BASE_CLASS_STORAGE 0x01 1519 #define PCI_CLASS_STORAGE_SCSI 0x0100 1520 #define PCI_CLASS_STORAGE_IDE 0x0101 1521 #define PCI_CLASS_STORAGE_FLOPPY 0x0102 1522 #define PCI_CLASS_STORAGE_IPI 0x0103 1523 #define PCI_CLASS_STORAGE_RAID 0x0104 1524 #define PCI_CLASS_STORAGE_ATA 0x0105 1525 #define PCI_CLASS_STORAGE_SATA 0x0106 1526 #define PCI_CLASS_STORAGE_SAS 0x0107 1527 #define PCI_CLASS_STORAGE_OTHER 0x0180 1528 1529 #define PCI_BASE_CLASS_NETWORK 0x02 1530 #define PCI_CLASS_NETWORK_ETHERNET 0x0200 1531 #define PCI_CLASS_NETWORK_TOKEN_RING 0x0201 1532 #define PCI_CLASS_NETWORK_FDDI 0x0202 1533 #define PCI_CLASS_NETWORK_ATM 0x0203 1534 #define PCI_CLASS_NETWORK_ISDN 0x0204 1535 #define PCI_CLASS_NETWORK_OTHER 0x0280 1536 1537 #define PCI_BASE_CLASS_DISPLAY 0x03 1538 #define PCI_CLASS_DISPLAY_VGA 0x0300 1539 #define PCI_CLASS_DISPLAY_XGA 0x0301 1540 #define PCI_CLASS_DISPLAY_3D 0x0302 1541 #define PCI_CLASS_DISPLAY_OTHER 0x0380 1542 1543 #define PCI_BASE_CLASS_MULTIMEDIA 0x04 1544 #define PCI_CLASS_MULTIMEDIA_VIDEO 0x0400 1545 #define PCI_CLASS_MULTIMEDIA_AUDIO 0x0401 1546 #define PCI_CLASS_MULTIMEDIA_PHONE 0x0402 1547 #define PCI_CLASS_MULTIMEDIA_AUDIO_DEV 0x0403 1548 #define PCI_CLASS_MULTIMEDIA_OTHER 0x0480 1549 1550 #define PCI_BASE_CLASS_MEMORY 0x05 1551 #define PCI_CLASS_MEMORY_RAM 0x0500 1552 #define PCI_CLASS_MEMORY_FLASH 0x0501 1553 #define PCI_CLASS_MEMORY_OTHER 0x0580 1554 1555 #define PCI_BASE_CLASS_BRIDGE 0x06 1556 #define PCI_CLASS_BRIDGE_HOST 0x0600 1557 #define PCI_CLASS_BRIDGE_ISA 0x0601 1558 #define PCI_CLASS_BRIDGE_EISA 0x0602 1559 #define PCI_CLASS_BRIDGE_MC 0x0603 1560 #define PCI_CLASS_BRIDGE_PCI 0x0604 1561 #define PCI_CLASS_BRIDGE_PCMCIA 0x0605 1562 #define PCI_CLASS_BRIDGE_NUBUS 0x0606 1563 #define PCI_CLASS_BRIDGE_CARDBUS 0x0607 1564 #define PCI_CLASS_BRIDGE_RACEWAY 0x0608 1565 #define PCI_CLASS_BRIDGE_PCI_SEMI 0x0609 1566 #define PCI_CLASS_BRIDGE_IB_TO_PCI 0x060a 1567 #define PCI_CLASS_BRIDGE_OTHER 0x0680 1568 1569 #define PCI_BASE_CLASS_COMMUNICATION 0x07 1570 #define PCI_CLASS_COMMUNICATION_SERIAL 0x0700 1571 #define PCI_CLASS_COMMUNICATION_PARALLEL 0x0701 1572 #define PCI_CLASS_COMMUNICATION_MSERIAL 0x0702 1573 #define PCI_CLASS_COMMUNICATION_MODEM 0x0703 1574 #define PCI_CLASS_COMMUNICATION_OTHER 0x0780 1575 1576 #define PCI_BASE_CLASS_SYSTEM 0x08 1577 #define PCI_CLASS_SYSTEM_PIC 0x0800 1578 #define PCI_CLASS_SYSTEM_DMA 0x0801 1579 #define PCI_CLASS_SYSTEM_TIMER 0x0802 1580 #define PCI_CLASS_SYSTEM_RTC 0x0803 1581 #define PCI_CLASS_SYSTEM_PCI_HOTPLUG 0x0804 1582 #define PCI_CLASS_SYSTEM_OTHER 0x0880 1583 1584 #define PCI_BASE_CLASS_INPUT 0x09 1585 #define PCI_CLASS_INPUT_KEYBOARD 0x0900 1586 #define PCI_CLASS_INPUT_PEN 0x0901 1587 #define PCI_CLASS_INPUT_MOUSE 0x0902 1588 #define PCI_CLASS_INPUT_SCANNER 0x0903 1589 #define PCI_CLASS_INPUT_GAMEPORT 0x0904 1590 #define PCI_CLASS_INPUT_OTHER 0x0980 1591 1592 #define PCI_BASE_CLASS_DOCKING 0x0a 1593 #define PCI_CLASS_DOCKING_GENERIC 0x0a00 1594 #define PCI_CLASS_DOCKING_OTHER 0x0a80 1595 1596 #define PCI_BASE_CLASS_PROCESSOR 0x0b 1597 #define PCI_CLASS_PROCESSOR_386 0x0b00 1598 #define PCI_CLASS_PROCESSOR_486 0x0b01 1599 #define PCI_CLASS_PROCESSOR_PENTIUM 0x0b02 1600 #define PCI_CLASS_PROCESSOR_ALPHA 0x0b10 1601 #define PCI_CLASS_PROCESSOR_POWERPC 0x0b20 1602 #define PCI_CLASS_PROCESSOR_MIPS 0x0b30 1603 #define PCI_CLASS_PROCESSOR_CO 0x0b40 1604 1605 #define PCI_BASE_CLASS_SERIAL 0x0c 1606 #define PCI_CLASS_SERIAL_FIREWIRE 0x0c00 1607 #define PCI_CLASS_SERIAL_ACCESS 0x0c01 1608 #define PCI_CLASS_SERIAL_SSA 0x0c02 1609 #define PCI_CLASS_SERIAL_USB 0x0c03 1610 #define PCI_CLASS_SERIAL_FIBER 0x0c04 1611 #define PCI_CLASS_SERIAL_SMBUS 0x0c05 1612 #define PCI_CLASS_SERIAL_INFINIBAND 0x0c06 1613 1614 #define PCI_BASE_CLASS_WIRELESS 0x0d 1615 #define PCI_CLASS_WIRELESS_IRDA 0x0d00 1616 #define PCI_CLASS_WIRELESS_CONSUMER_IR 0x0d01 1617 #define PCI_CLASS_WIRELESS_RF 0x0d10 1618 #define PCI_CLASS_WIRELESS_OTHER 0x0d80 1619 1620 #define PCI_BASE_CLASS_INTELLIGENT 0x0e 1621 #define PCI_CLASS_INTELLIGENT_I2O 0x0e00 1622 1623 #define PCI_BASE_CLASS_SATELLITE 0x0f 1624 #define PCI_CLASS_SATELLITE_TV 0x0f00 1625 #define PCI_CLASS_SATELLITE_AUDIO 0x0f01 1626 #define PCI_CLASS_SATELLITE_VOICE 0x0f03 1627 #define PCI_CLASS_SATELLITE_DATA 0x0f04 1628 1629 #define PCI_BASE_CLASS_CRYPT 0x10 1630 #define PCI_CLASS_CRYPT_NETWORK 0x1000 1631 #define PCI_CLASS_CRYPT_ENTERTAINMENT 0x1010 1632 #define PCI_CLASS_CRYPT_OTHER 0x1080 1633 1634 #define PCI_BASE_CLASS_SIGNAL 0x11 1635 #define PCI_CLASS_SIGNAL_DPIO 0x1100 1636 #define PCI_CLASS_SIGNAL_PERF_CTR 0x1101 1637 #define PCI_CLASS_SIGNAL_SYNCHRONIZER 0x1110 1638 #define PCI_CLASS_SIGNAL_OTHER 0x1180 1639 1640 #define PCI_CLASS_OTHERS 0xff 1641 1642 /* Several ID's we need in the library */ 1643 1644 #define PCI_VENDOR_ID_INTEL 0x8086 1645 #define PCI_VENDOR_ID_COMPAQ 0x0e11 1646 1647 /* I/O resource flags, compatible with <include/linux/ioport.h> */ 1648 1649 #define PCI_IORESOURCE_TYPE_BITS 0x00001f00 1650 #define PCI_IORESOURCE_IO 0x00000100 1651 #define PCI_IORESOURCE_MEM 0x00000200 1652 #define PCI_IORESOURCE_PREFETCH 0x00002000 1653 #define PCI_IORESOURCE_MEM_64 0x00100000 1654 #define PCI_IORESOURCE_IO_16BIT_ADDR (1<<0) 1655 #define PCI_IORESOURCE_PCI_EA_BEI (1<<5) 1656