2 * The PCI Library -- PCI Header Structure (based on <linux/pci.h>)
4 * Copyright (c) 1997--2010 Martin Mares <mj@ucw.cz>
6 * Can be freely distributed and used under the terms of the GNU GPL.
10 * Under PCI, each device has 256 bytes of configuration address space,
11 * of which the first 64 bytes are standardized as follows:
13 #define PCI_VENDOR_ID 0x00 /* 16 bits */
14 #define PCI_DEVICE_ID 0x02 /* 16 bits */
15 #define PCI_COMMAND 0x04 /* 16 bits */
16 #define PCI_COMMAND_IO 0x1 /* Enable response in I/O space */
17 #define PCI_COMMAND_MEMORY 0x2 /* Enable response in Memory space */
18 #define PCI_COMMAND_MASTER 0x4 /* Enable bus mastering */
19 #define PCI_COMMAND_SPECIAL 0x8 /* Enable response to special cycles */
20 #define PCI_COMMAND_INVALIDATE 0x10 /* Use memory write and invalidate */
21 #define PCI_COMMAND_VGA_PALETTE 0x20 /* Enable palette snooping */
22 #define PCI_COMMAND_PARITY 0x40 /* Enable parity checking */
23 #define PCI_COMMAND_WAIT 0x80 /* Enable address/data stepping */
24 #define PCI_COMMAND_SERR 0x100 /* Enable SERR */
25 #define PCI_COMMAND_FAST_BACK 0x200 /* Enable back-to-back writes */
26 #define PCI_COMMAND_DISABLE_INTx 0x400 /* PCIE: Disable INTx interrupts */
28 #define PCI_STATUS 0x06 /* 16 bits */
29 #define PCI_STATUS_INTx 0x08 /* PCIE: INTx interrupt pending */
30 #define PCI_STATUS_CAP_LIST 0x10 /* Support Capability List */
31 #define PCI_STATUS_66MHZ 0x20 /* Support 66 Mhz PCI 2.1 bus */
32 #define PCI_STATUS_UDF 0x40 /* Support User Definable Features [obsolete] */
33 #define PCI_STATUS_FAST_BACK 0x80 /* Accept fast-back to back */
34 #define PCI_STATUS_PARITY 0x100 /* Detected parity error */
35 #define PCI_STATUS_DEVSEL_MASK 0x600 /* DEVSEL timing */
36 #define PCI_STATUS_DEVSEL_FAST 0x000
37 #define PCI_STATUS_DEVSEL_MEDIUM 0x200
38 #define PCI_STATUS_DEVSEL_SLOW 0x400
39 #define PCI_STATUS_SIG_TARGET_ABORT 0x800 /* Set on target abort */
40 #define PCI_STATUS_REC_TARGET_ABORT 0x1000 /* Master ack of " */
41 #define PCI_STATUS_REC_MASTER_ABORT 0x2000 /* Set on master abort */
42 #define PCI_STATUS_SIG_SYSTEM_ERROR 0x4000 /* Set when we drive SERR */
43 #define PCI_STATUS_DETECTED_PARITY 0x8000 /* Set on parity error */
45 #define PCI_CLASS_REVISION 0x08 /* High 24 bits are class, low 8
47 #define PCI_REVISION_ID 0x08 /* Revision ID */
48 #define PCI_CLASS_PROG 0x09 /* Reg. Level Programming Interface */
49 #define PCI_CLASS_DEVICE 0x0a /* Device class */
51 #define PCI_CACHE_LINE_SIZE 0x0c /* 8 bits */
52 #define PCI_LATENCY_TIMER 0x0d /* 8 bits */
53 #define PCI_HEADER_TYPE 0x0e /* 8 bits */
54 #define PCI_HEADER_TYPE_NORMAL 0
55 #define PCI_HEADER_TYPE_BRIDGE 1
56 #define PCI_HEADER_TYPE_CARDBUS 2
58 #define PCI_BIST 0x0f /* 8 bits */
59 #define PCI_BIST_CODE_MASK 0x0f /* Return result */
60 #define PCI_BIST_START 0x40 /* 1 to start BIST, 2 secs or less */
61 #define PCI_BIST_CAPABLE 0x80 /* 1 if BIST capable */
64 * Base addresses specify locations in memory or I/O space.
65 * Decoded size can be determined by writing a value of
66 * 0xffffffff to the register, and reading it back. Only
69 #define PCI_BASE_ADDRESS_0 0x10 /* 32 bits */
70 #define PCI_BASE_ADDRESS_1 0x14 /* 32 bits [htype 0,1 only] */
71 #define PCI_BASE_ADDRESS_2 0x18 /* 32 bits [htype 0 only] */
72 #define PCI_BASE_ADDRESS_3 0x1c /* 32 bits */
73 #define PCI_BASE_ADDRESS_4 0x20 /* 32 bits */
74 #define PCI_BASE_ADDRESS_5 0x24 /* 32 bits */
75 #define PCI_BASE_ADDRESS_SPACE 0x01 /* 0 = memory, 1 = I/O */
76 #define PCI_BASE_ADDRESS_SPACE_IO 0x01
77 #define PCI_BASE_ADDRESS_SPACE_MEMORY 0x00
78 #define PCI_BASE_ADDRESS_MEM_TYPE_MASK 0x06
79 #define PCI_BASE_ADDRESS_MEM_TYPE_32 0x00 /* 32 bit address */
80 #define PCI_BASE_ADDRESS_MEM_TYPE_1M 0x02 /* Below 1M [obsolete] */
81 #define PCI_BASE_ADDRESS_MEM_TYPE_64 0x04 /* 64 bit address */
82 #define PCI_BASE_ADDRESS_MEM_PREFETCH 0x08 /* prefetchable? */
83 #define PCI_BASE_ADDRESS_MEM_MASK (~(pciaddr_t)0x0f)
84 #define PCI_BASE_ADDRESS_IO_MASK (~(pciaddr_t)0x03)
85 /* bit 1 is reserved if address_space = 1 */
87 /* Header type 0 (normal devices) */
88 #define PCI_CARDBUS_CIS 0x28
89 #define PCI_SUBSYSTEM_VENDOR_ID 0x2c
90 #define PCI_SUBSYSTEM_ID 0x2e
91 #define PCI_ROM_ADDRESS 0x30 /* Bits 31..11 are address, 10..1 reserved */
92 #define PCI_ROM_ADDRESS_ENABLE 0x01
93 #define PCI_ROM_ADDRESS_MASK (~(pciaddr_t)0x7ff)
95 #define PCI_CAPABILITY_LIST 0x34 /* Offset of first capability list entry */
97 /* 0x35-0x3b are reserved */
98 #define PCI_INTERRUPT_LINE 0x3c /* 8 bits */
99 #define PCI_INTERRUPT_PIN 0x3d /* 8 bits */
100 #define PCI_MIN_GNT 0x3e /* 8 bits */
101 #define PCI_MAX_LAT 0x3f /* 8 bits */
103 /* Header type 1 (PCI-to-PCI bridges) */
104 #define PCI_PRIMARY_BUS 0x18 /* Primary bus number */
105 #define PCI_SECONDARY_BUS 0x19 /* Secondary bus number */
106 #define PCI_SUBORDINATE_BUS 0x1a /* Highest bus number behind the bridge */
107 #define PCI_SEC_LATENCY_TIMER 0x1b /* Latency timer for secondary interface */
108 #define PCI_IO_BASE 0x1c /* I/O range behind the bridge */
109 #define PCI_IO_LIMIT 0x1d
110 #define PCI_IO_RANGE_TYPE_MASK 0x0f /* I/O bridging type */
111 #define PCI_IO_RANGE_TYPE_16 0x00
112 #define PCI_IO_RANGE_TYPE_32 0x01
113 #define PCI_IO_RANGE_MASK ~0x0f
114 #define PCI_SEC_STATUS 0x1e /* Secondary status register */
115 #define PCI_MEMORY_BASE 0x20 /* Memory range behind */
116 #define PCI_MEMORY_LIMIT 0x22
117 #define PCI_MEMORY_RANGE_TYPE_MASK 0x0f
118 #define PCI_MEMORY_RANGE_MASK ~0x0f
119 #define PCI_PREF_MEMORY_BASE 0x24 /* Prefetchable memory range behind */
120 #define PCI_PREF_MEMORY_LIMIT 0x26
121 #define PCI_PREF_RANGE_TYPE_MASK 0x0f
122 #define PCI_PREF_RANGE_TYPE_32 0x00
123 #define PCI_PREF_RANGE_TYPE_64 0x01
124 #define PCI_PREF_RANGE_MASK ~0x0f
125 #define PCI_PREF_BASE_UPPER32 0x28 /* Upper half of prefetchable memory range */
126 #define PCI_PREF_LIMIT_UPPER32 0x2c
127 #define PCI_IO_BASE_UPPER16 0x30 /* Upper half of I/O addresses */
128 #define PCI_IO_LIMIT_UPPER16 0x32
129 /* 0x34 same as for htype 0 */
130 /* 0x35-0x3b is reserved */
131 #define PCI_ROM_ADDRESS1 0x38 /* Same as PCI_ROM_ADDRESS, but for htype 1 */
132 /* 0x3c-0x3d are same as for htype 0 */
133 #define PCI_BRIDGE_CONTROL 0x3e
134 #define PCI_BRIDGE_CTL_PARITY 0x01 /* Enable parity detection on secondary interface */
135 #define PCI_BRIDGE_CTL_SERR 0x02 /* The same for SERR forwarding */
136 #define PCI_BRIDGE_CTL_NO_ISA 0x04 /* Disable bridging of ISA ports */
137 #define PCI_BRIDGE_CTL_VGA 0x08 /* Forward VGA addresses */
138 #define PCI_BRIDGE_CTL_MASTER_ABORT 0x20 /* Report master aborts */
139 #define PCI_BRIDGE_CTL_BUS_RESET 0x40 /* Secondary bus reset */
140 #define PCI_BRIDGE_CTL_FAST_BACK 0x80 /* Fast Back2Back enabled on secondary interface */
141 #define PCI_BRIDGE_CTL_PRI_DISCARD_TIMER 0x100 /* PCI-X? */
142 #define PCI_BRIDGE_CTL_SEC_DISCARD_TIMER 0x200 /* PCI-X? */
143 #define PCI_BRIDGE_CTL_DISCARD_TIMER_STATUS 0x400 /* PCI-X? */
144 #define PCI_BRIDGE_CTL_DISCARD_TIMER_SERR_EN 0x800 /* PCI-X? */
146 /* Header type 2 (CardBus bridges) */
147 /* 0x14-0x15 reserved */
148 #define PCI_CB_SEC_STATUS 0x16 /* Secondary status */
149 #define PCI_CB_PRIMARY_BUS 0x18 /* PCI bus number */
150 #define PCI_CB_CARD_BUS 0x19 /* CardBus bus number */
151 #define PCI_CB_SUBORDINATE_BUS 0x1a /* Subordinate bus number */
152 #define PCI_CB_LATENCY_TIMER 0x1b /* CardBus latency timer */
153 #define PCI_CB_MEMORY_BASE_0 0x1c
154 #define PCI_CB_MEMORY_LIMIT_0 0x20
155 #define PCI_CB_MEMORY_BASE_1 0x24
156 #define PCI_CB_MEMORY_LIMIT_1 0x28
157 #define PCI_CB_IO_BASE_0 0x2c
158 #define PCI_CB_IO_BASE_0_HI 0x2e
159 #define PCI_CB_IO_LIMIT_0 0x30
160 #define PCI_CB_IO_LIMIT_0_HI 0x32
161 #define PCI_CB_IO_BASE_1 0x34
162 #define PCI_CB_IO_BASE_1_HI 0x36
163 #define PCI_CB_IO_LIMIT_1 0x38
164 #define PCI_CB_IO_LIMIT_1_HI 0x3a
165 #define PCI_CB_IO_RANGE_MASK ~0x03
166 /* 0x3c-0x3d are same as for htype 0 */
167 #define PCI_CB_BRIDGE_CONTROL 0x3e
168 #define PCI_CB_BRIDGE_CTL_PARITY 0x01 /* Similar to standard bridge control register */
169 #define PCI_CB_BRIDGE_CTL_SERR 0x02
170 #define PCI_CB_BRIDGE_CTL_ISA 0x04
171 #define PCI_CB_BRIDGE_CTL_VGA 0x08
172 #define PCI_CB_BRIDGE_CTL_MASTER_ABORT 0x20
173 #define PCI_CB_BRIDGE_CTL_CB_RESET 0x40 /* CardBus reset */
174 #define PCI_CB_BRIDGE_CTL_16BIT_INT 0x80 /* Enable interrupt for 16-bit cards */
175 #define PCI_CB_BRIDGE_CTL_PREFETCH_MEM0 0x100 /* Prefetch enable for both memory regions */
176 #define PCI_CB_BRIDGE_CTL_PREFETCH_MEM1 0x200
177 #define PCI_CB_BRIDGE_CTL_POST_WRITES 0x400
178 #define PCI_CB_SUBSYSTEM_VENDOR_ID 0x40
179 #define PCI_CB_SUBSYSTEM_ID 0x42
180 #define PCI_CB_LEGACY_MODE_BASE 0x44 /* 16-bit PC Card legacy mode base address (ExCa) */
181 /* 0x48-0x7f reserved */
183 /* Capability lists */
185 #define PCI_CAP_LIST_ID 0 /* Capability ID */
186 #define PCI_CAP_ID_PM 0x01 /* Power Management */
187 #define PCI_CAP_ID_AGP 0x02 /* Accelerated Graphics Port */
188 #define PCI_CAP_ID_VPD 0x03 /* Vital Product Data */
189 #define PCI_CAP_ID_SLOTID 0x04 /* Slot Identification */
190 #define PCI_CAP_ID_MSI 0x05 /* Message Signaled Interrupts */
191 #define PCI_CAP_ID_CHSWP 0x06 /* CompactPCI HotSwap */
192 #define PCI_CAP_ID_PCIX 0x07 /* PCI-X */
193 #define PCI_CAP_ID_HT 0x08 /* HyperTransport */
194 #define PCI_CAP_ID_VNDR 0x09 /* Vendor specific */
195 #define PCI_CAP_ID_DBG 0x0A /* Debug port */
196 #define PCI_CAP_ID_CCRC 0x0B /* CompactPCI Central Resource Control */
197 #define PCI_CAP_ID_HOTPLUG 0x0C /* PCI hot-plug */
198 #define PCI_CAP_ID_SSVID 0x0D /* Bridge subsystem vendor/device ID */
199 #define PCI_CAP_ID_AGP3 0x0E /* AGP 8x */
200 #define PCI_CAP_ID_SECURE 0x0F /* Secure device (?) */
201 #define PCI_CAP_ID_EXP 0x10 /* PCI Express */
202 #define PCI_CAP_ID_MSIX 0x11 /* MSI-X */
203 #define PCI_CAP_ID_SATA 0x12 /* Serial-ATA HBA */
204 #define PCI_CAP_ID_AF 0x13 /* Advanced features of PCI devices integrated in PCIe root cplx */
205 #define PCI_CAP_LIST_NEXT 1 /* Next capability in the list */
206 #define PCI_CAP_FLAGS 2 /* Capability defined flags (16 bits) */
207 #define PCI_CAP_SIZEOF 4
209 /* Capabilities residing in the PCI Express extended configuration space */
211 #define PCI_EXT_CAP_ID_AER 0x01 /* Advanced Error Reporting */
212 #define PCI_EXT_CAP_ID_VC 0x02 /* Virtual Channel */
213 #define PCI_EXT_CAP_ID_DSN 0x03 /* Device Serial Number */
214 #define PCI_EXT_CAP_ID_PB 0x04 /* Power Budgeting */
215 #define PCI_EXT_CAP_ID_RCLINK 0x05 /* Root Complex Link Declaration */
216 #define PCI_EXT_CAP_ID_RCILINK 0x06 /* Root Complex Internal Link Declaration */
217 #define PCI_EXT_CAP_ID_RCECOLL 0x07 /* Root Complex Event Collector */
218 #define PCI_EXT_CAP_ID_MFVC 0x08 /* Multi-Function Virtual Channel */
219 #define PCI_EXT_CAP_ID_VC2 0x09 /* Virtual Channel (2nd ID) */
220 #define PCI_EXT_CAP_ID_RBCB 0x0a /* Root Bridge Control Block */
221 #define PCI_EXT_CAP_ID_VNDR 0x0b /* Vendor specific */
222 #define PCI_EXT_CAP_ID_ACS 0x0d /* Access Controls */
223 #define PCI_EXT_CAP_ID_ARI 0x0e /* Alternative Routing-ID Interpretation */
224 #define PCI_EXT_CAP_ID_ATS 0x0f /* Address Translation Service */
225 #define PCI_EXT_CAP_ID_SRIOV 0x10 /* Single Root I/O Virtualization */
227 /*** Definitions of capabilities ***/
229 /* Power Management Registers */
231 #define PCI_PM_CAP_VER_MASK 0x0007 /* Version (2=PM1.1) */
232 #define PCI_PM_CAP_PME_CLOCK 0x0008 /* Clock required for PME generation */
233 #define PCI_PM_CAP_DSI 0x0020 /* Device specific initialization required */
234 #define PCI_PM_CAP_AUX_C_MASK 0x01c0 /* Maximum aux current required in D3cold */
235 #define PCI_PM_CAP_D1 0x0200 /* D1 power state support */
236 #define PCI_PM_CAP_D2 0x0400 /* D2 power state support */
237 #define PCI_PM_CAP_PME_D0 0x0800 /* PME can be asserted from D0 */
238 #define PCI_PM_CAP_PME_D1 0x1000 /* PME can be asserted from D1 */
239 #define PCI_PM_CAP_PME_D2 0x2000 /* PME can be asserted from D2 */
240 #define PCI_PM_CAP_PME_D3_HOT 0x4000 /* PME can be asserted from D3hot */
241 #define PCI_PM_CAP_PME_D3_COLD 0x8000 /* PME can be asserted from D3cold */
242 #define PCI_PM_CTRL 4 /* PM control and status register */
243 #define PCI_PM_CTRL_STATE_MASK 0x0003 /* Current power state (D0 to D3) */
244 #define PCI_PM_CTRL_NO_SOFT_RST 0x0008 /* No Soft Reset from D3hot to D0 */
245 #define PCI_PM_CTRL_PME_ENABLE 0x0100 /* PME pin enable */
246 #define PCI_PM_CTRL_DATA_SEL_MASK 0x1e00 /* PM table data index */
247 #define PCI_PM_CTRL_DATA_SCALE_MASK 0x6000 /* PM table data scaling factor */
248 #define PCI_PM_CTRL_PME_STATUS 0x8000 /* PME pin status */
249 #define PCI_PM_PPB_EXTENSIONS 6 /* PPB support extensions */
250 #define PCI_PM_PPB_B2_B3 0x40 /* If bridge enters D3hot, bus enters: 0=B3, 1=B2 */
251 #define PCI_PM_BPCC_ENABLE 0x80 /* Secondary bus is power managed */
252 #define PCI_PM_DATA_REGISTER 7 /* PM table contents read here */
253 #define PCI_PM_SIZEOF 8
257 #define PCI_AGP_VERSION 2 /* BCD version number */
258 #define PCI_AGP_RFU 3 /* Rest of capability flags */
259 #define PCI_AGP_STATUS 4 /* Status register */
260 #define PCI_AGP_STATUS_RQ_MASK 0xff000000 /* Maximum number of requests - 1 */
261 #define PCI_AGP_STATUS_ISOCH 0x10000 /* Isochronous transactions supported */
262 #define PCI_AGP_STATUS_ARQSZ_MASK 0xe000 /* log2(optimum async req size in bytes) - 4 */
263 #define PCI_AGP_STATUS_CAL_MASK 0x1c00 /* Calibration cycle timing */
264 #define PCI_AGP_STATUS_SBA 0x0200 /* Sideband addressing supported */
265 #define PCI_AGP_STATUS_ITA_COH 0x0100 /* In-aperture accesses always coherent */
266 #define PCI_AGP_STATUS_GART64 0x0080 /* 64-bit GART entries supported */
267 #define PCI_AGP_STATUS_HTRANS 0x0040 /* If 0, core logic can xlate host CPU accesses thru aperture */
268 #define PCI_AGP_STATUS_64BIT 0x0020 /* 64-bit addressing cycles supported */
269 #define PCI_AGP_STATUS_FW 0x0010 /* Fast write transfers supported */
270 #define PCI_AGP_STATUS_AGP3 0x0008 /* AGP3 mode supported */
271 #define PCI_AGP_STATUS_RATE4 0x0004 /* 4x transfer rate supported (RFU in AGP3 mode) */
272 #define PCI_AGP_STATUS_RATE2 0x0002 /* 2x transfer rate supported (8x in AGP3 mode) */
273 #define PCI_AGP_STATUS_RATE1 0x0001 /* 1x transfer rate supported (4x in AGP3 mode) */
274 #define PCI_AGP_COMMAND 8 /* Control register */
275 #define PCI_AGP_COMMAND_RQ_MASK 0xff000000 /* Master: Maximum number of requests */
276 #define PCI_AGP_COMMAND_ARQSZ_MASK 0xe000 /* log2(optimum async req size in bytes) - 4 */
277 #define PCI_AGP_COMMAND_CAL_MASK 0x1c00 /* Calibration cycle timing */
278 #define PCI_AGP_COMMAND_SBA 0x0200 /* Sideband addressing enabled */
279 #define PCI_AGP_COMMAND_AGP 0x0100 /* Allow processing of AGP transactions */
280 #define PCI_AGP_COMMAND_GART64 0x0080 /* 64-bit GART entries enabled */
281 #define PCI_AGP_COMMAND_64BIT 0x0020 /* Allow generation of 64-bit addr cycles */
282 #define PCI_AGP_COMMAND_FW 0x0010 /* Enable FW transfers */
283 #define PCI_AGP_COMMAND_RATE4 0x0004 /* Use 4x rate (RFU in AGP3 mode) */
284 #define PCI_AGP_COMMAND_RATE2 0x0002 /* Use 2x rate (8x in AGP3 mode) */
285 #define PCI_AGP_COMMAND_RATE1 0x0001 /* Use 1x rate (4x in AGP3 mode) */
286 #define PCI_AGP_SIZEOF 12
288 /* Vital Product Data */
290 #define PCI_VPD_ADDR 2 /* Address to access (15 bits!) */
291 #define PCI_VPD_ADDR_MASK 0x7fff /* Address mask */
292 #define PCI_VPD_ADDR_F 0x8000 /* Write 0, 1 indicates completion */
293 #define PCI_VPD_DATA 4 /* 32-bits of data returned here */
295 /* Slot Identification */
297 #define PCI_SID_ESR 2 /* Expansion Slot Register */
298 #define PCI_SID_ESR_NSLOTS 0x1f /* Number of expansion slots available */
299 #define PCI_SID_ESR_FIC 0x20 /* First In Chassis Flag */
300 #define PCI_SID_CHASSIS_NR 3 /* Chassis Number */
302 /* Message Signaled Interrupts registers */
304 #define PCI_MSI_FLAGS 2 /* Various flags */
305 #define PCI_MSI_FLAGS_MASK_BIT 0x100 /* interrupt masking & reporting supported */
306 #define PCI_MSI_FLAGS_64BIT 0x080 /* 64-bit addresses allowed */
307 #define PCI_MSI_FLAGS_QSIZE 0x070 /* Message queue size configured */
308 #define PCI_MSI_FLAGS_QMASK 0x00e /* Maximum queue size available */
309 #define PCI_MSI_FLAGS_ENABLE 0x001 /* MSI feature enabled */
310 #define PCI_MSI_RFU 3 /* Rest of capability flags */
311 #define PCI_MSI_ADDRESS_LO 4 /* Lower 32 bits */
312 #define PCI_MSI_ADDRESS_HI 8 /* Upper 32 bits (if PCI_MSI_FLAGS_64BIT set) */
313 #define PCI_MSI_DATA_32 8 /* 16 bits of data for 32-bit devices */
314 #define PCI_MSI_DATA_64 12 /* 16 bits of data for 64-bit devices */
315 #define PCI_MSI_MASK_BIT_32 12 /* per-vector masking for 32-bit devices */
316 #define PCI_MSI_MASK_BIT_64 16 /* per-vector masking for 64-bit devices */
317 #define PCI_MSI_PENDING_32 16 /* per-vector interrupt pending for 32-bit devices */
318 #define PCI_MSI_PENDING_64 20 /* per-vector interrupt pending for 64-bit devices */
321 #define PCI_PCIX_COMMAND 2 /* Command register offset */
322 #define PCI_PCIX_COMMAND_DPERE 0x0001 /* Data Parity Error Recover Enable */
323 #define PCI_PCIX_COMMAND_ERO 0x0002 /* Enable Relaxed Ordering */
324 #define PCI_PCIX_COMMAND_MAX_MEM_READ_BYTE_COUNT 0x000c /* Maximum Memory Read Byte Count */
325 #define PCI_PCIX_COMMAND_MAX_OUTSTANDING_SPLIT_TRANS 0x0070
326 #define PCI_PCIX_COMMAND_RESERVED 0xf80
327 #define PCI_PCIX_STATUS 4 /* Status register offset */
328 #define PCI_PCIX_STATUS_FUNCTION 0x00000007
329 #define PCI_PCIX_STATUS_DEVICE 0x000000f8
330 #define PCI_PCIX_STATUS_BUS 0x0000ff00
331 #define PCI_PCIX_STATUS_64BIT 0x00010000
332 #define PCI_PCIX_STATUS_133MHZ 0x00020000
333 #define PCI_PCIX_STATUS_SC_DISCARDED 0x00040000 /* Split Completion Discarded */
334 #define PCI_PCIX_STATUS_UNEXPECTED_SC 0x00080000 /* Unexpected Split Completion */
335 #define PCI_PCIX_STATUS_DEVICE_COMPLEXITY 0x00100000 /* 0 = simple device, 1 = bridge device */
336 #define PCI_PCIX_STATUS_DESIGNED_MAX_MEM_READ_BYTE_COUNT 0x00600000 /* 0 = 512 bytes, 1 = 1024, 2 = 2048, 3 = 4096 */
337 #define PCI_PCIX_STATUS_DESIGNED_MAX_OUTSTANDING_SPLIT_TRANS 0x03800000
338 #define PCI_PCIX_STATUS_DESIGNED_MAX_CUMULATIVE_READ_SIZE 0x1c000000
339 #define PCI_PCIX_STATUS_RCVD_SC_ERR_MESS 0x20000000 /* Received Split Completion Error Message */
340 #define PCI_PCIX_STATUS_266MHZ 0x40000000 /* 266 MHz capable */
341 #define PCI_PCIX_STATUS_533MHZ 0x80000000 /* 533 MHz capable */
342 #define PCI_PCIX_SIZEOF 4
345 #define PCI_PCIX_BRIDGE_SEC_STATUS 2 /* Secondary bus status register offset */
346 #define PCI_PCIX_BRIDGE_SEC_STATUS_64BIT 0x0001
347 #define PCI_PCIX_BRIDGE_SEC_STATUS_133MHZ 0x0002
348 #define PCI_PCIX_BRIDGE_SEC_STATUS_SC_DISCARDED 0x0004 /* Split Completion Discarded on secondary bus */
349 #define PCI_PCIX_BRIDGE_SEC_STATUS_UNEXPECTED_SC 0x0008 /* Unexpected Split Completion on secondary bus */
350 #define PCI_PCIX_BRIDGE_SEC_STATUS_SC_OVERRUN 0x0010 /* Split Completion Overrun on secondary bus */
351 #define PCI_PCIX_BRIDGE_SEC_STATUS_SPLIT_REQUEST_DELAYED 0x0020
352 #define PCI_PCIX_BRIDGE_SEC_STATUS_CLOCK_FREQ 0x01c0
353 #define PCI_PCIX_BRIDGE_SEC_STATUS_RESERVED 0xfe00
354 #define PCI_PCIX_BRIDGE_STATUS 4 /* Primary bus status register offset */
355 #define PCI_PCIX_BRIDGE_STATUS_FUNCTION 0x00000007
356 #define PCI_PCIX_BRIDGE_STATUS_DEVICE 0x000000f8
357 #define PCI_PCIX_BRIDGE_STATUS_BUS 0x0000ff00
358 #define PCI_PCIX_BRIDGE_STATUS_64BIT 0x00010000
359 #define PCI_PCIX_BRIDGE_STATUS_133MHZ 0x00020000
360 #define PCI_PCIX_BRIDGE_STATUS_SC_DISCARDED 0x00040000 /* Split Completion Discarded */
361 #define PCI_PCIX_BRIDGE_STATUS_UNEXPECTED_SC 0x00080000 /* Unexpected Split Completion */
362 #define PCI_PCIX_BRIDGE_STATUS_SC_OVERRUN 0x00100000 /* Split Completion Overrun */
363 #define PCI_PCIX_BRIDGE_STATUS_SPLIT_REQUEST_DELAYED 0x00200000
364 #define PCI_PCIX_BRIDGE_STATUS_RESERVED 0xffc00000
365 #define PCI_PCIX_BRIDGE_UPSTREAM_SPLIT_TRANS_CTRL 8 /* Upstream Split Transaction Register offset */
366 #define PCI_PCIX_BRIDGE_DOWNSTREAM_SPLIT_TRANS_CTRL 12 /* Downstream Split Transaction Register offset */
367 #define PCI_PCIX_BRIDGE_STR_CAPACITY 0x0000ffff
368 #define PCI_PCIX_BRIDGE_STR_COMMITMENT_LIMIT 0xffff0000
369 #define PCI_PCIX_BRIDGE_SIZEOF 12
371 /* HyperTransport (as of spec rev. 2.00) */
372 #define PCI_HT_CMD 2 /* Command Register */
373 #define PCI_HT_CMD_TYP_HI 0xe000 /* Capability Type high part */
374 #define PCI_HT_CMD_TYP_HI_PRI 0x0000 /* Slave or Primary Interface */
375 #define PCI_HT_CMD_TYP_HI_SEC 0x2000 /* Host or Secondary Interface */
376 #define PCI_HT_CMD_TYP 0xf800 /* Capability Type */
377 #define PCI_HT_CMD_TYP_SW 0x4000 /* Switch */
378 #define PCI_HT_CMD_TYP_IDC 0x8000 /* Interrupt Discovery and Configuration */
379 #define PCI_HT_CMD_TYP_RID 0x8800 /* Revision ID */
380 #define PCI_HT_CMD_TYP_UIDC 0x9000 /* UnitID Clumping */
381 #define PCI_HT_CMD_TYP_ECSA 0x9800 /* Extended Configuration Space Access */
382 #define PCI_HT_CMD_TYP_AM 0xa000 /* Address Mapping */
383 #define PCI_HT_CMD_TYP_MSIM 0xa800 /* MSI Mapping */
384 #define PCI_HT_CMD_TYP_DR 0xb000 /* DirectRoute */
385 #define PCI_HT_CMD_TYP_VCS 0xb800 /* VCSet */
386 #define PCI_HT_CMD_TYP_RM 0xc000 /* Retry Mode */
387 #define PCI_HT_CMD_TYP_X86 0xc800 /* X86 (reserved) */
389 /* Link Control Register */
390 #define PCI_HT_LCTR_CFLE 0x0002 /* CRC Flood Enable */
391 #define PCI_HT_LCTR_CST 0x0004 /* CRC Start Test */
392 #define PCI_HT_LCTR_CFE 0x0008 /* CRC Force Error */
393 #define PCI_HT_LCTR_LKFAIL 0x0010 /* Link Failure */
394 #define PCI_HT_LCTR_INIT 0x0020 /* Initialization Complete */
395 #define PCI_HT_LCTR_EOC 0x0040 /* End of Chain */
396 #define PCI_HT_LCTR_TXO 0x0080 /* Transmitter Off */
397 #define PCI_HT_LCTR_CRCERR 0x0f00 /* CRC Error */
398 #define PCI_HT_LCTR_ISOCEN 0x1000 /* Isochronous Flow Control Enable */
399 #define PCI_HT_LCTR_LSEN 0x2000 /* LDTSTOP# Tristate Enable */
400 #define PCI_HT_LCTR_EXTCTL 0x4000 /* Extended CTL Time */
401 #define PCI_HT_LCTR_64B 0x8000 /* 64-bit Addressing Enable */
403 /* Link Configuration Register */
404 #define PCI_HT_LCNF_MLWI 0x0007 /* Max Link Width In */
405 #define PCI_HT_LCNF_LW_8B 0x0 /* Link Width 8 bits */
406 #define PCI_HT_LCNF_LW_16B 0x1 /* Link Width 16 bits */
407 #define PCI_HT_LCNF_LW_32B 0x3 /* Link Width 32 bits */
408 #define PCI_HT_LCNF_LW_2B 0x4 /* Link Width 2 bits */
409 #define PCI_HT_LCNF_LW_4B 0x5 /* Link Width 4 bits */
410 #define PCI_HT_LCNF_LW_NC 0x7 /* Link physically not connected */
411 #define PCI_HT_LCNF_DFI 0x0008 /* Doubleword Flow Control In */
412 #define PCI_HT_LCNF_MLWO 0x0070 /* Max Link Width Out */
413 #define PCI_HT_LCNF_DFO 0x0080 /* Doubleword Flow Control Out */
414 #define PCI_HT_LCNF_LWI 0x0700 /* Link Width In */
415 #define PCI_HT_LCNF_DFIE 0x0800 /* Doubleword Flow Control In Enable */
416 #define PCI_HT_LCNF_LWO 0x7000 /* Link Width Out */
417 #define PCI_HT_LCNF_DFOE 0x8000 /* Doubleword Flow Control Out Enable */
419 /* Revision ID Register */
420 #define PCI_HT_RID_MIN 0x1f /* Minor Revision */
421 #define PCI_HT_RID_MAJ 0xe0 /* Major Revision */
423 /* Link Frequency/Error Register */
424 #define PCI_HT_LFRER_FREQ 0x0f /* Transmitter Clock Frequency */
425 #define PCI_HT_LFRER_200 0x00 /* 200MHz */
426 #define PCI_HT_LFRER_300 0x01 /* 300MHz */
427 #define PCI_HT_LFRER_400 0x02 /* 400MHz */
428 #define PCI_HT_LFRER_500 0x03 /* 500MHz */
429 #define PCI_HT_LFRER_600 0x04 /* 600MHz */
430 #define PCI_HT_LFRER_800 0x05 /* 800MHz */
431 #define PCI_HT_LFRER_1000 0x06 /* 1.0GHz */
432 #define PCI_HT_LFRER_1200 0x07 /* 1.2GHz */
433 #define PCI_HT_LFRER_1400 0x08 /* 1.4GHz */
434 #define PCI_HT_LFRER_1600 0x09 /* 1.6GHz */
435 #define PCI_HT_LFRER_VEND 0x0f /* Vendor-Specific */
436 #define PCI_HT_LFRER_ERR 0xf0 /* Link Error */
437 #define PCI_HT_LFRER_PROT 0x10 /* Protocol Error */
438 #define PCI_HT_LFRER_OV 0x20 /* Overflow Error */
439 #define PCI_HT_LFRER_EOC 0x40 /* End of Chain Error */
440 #define PCI_HT_LFRER_CTLT 0x80 /* CTL Timeout */
442 /* Link Frequency Capability Register */
443 #define PCI_HT_LFCAP_200 0x0001 /* 200MHz */
444 #define PCI_HT_LFCAP_300 0x0002 /* 300MHz */
445 #define PCI_HT_LFCAP_400 0x0004 /* 400MHz */
446 #define PCI_HT_LFCAP_500 0x0008 /* 500MHz */
447 #define PCI_HT_LFCAP_600 0x0010 /* 600MHz */
448 #define PCI_HT_LFCAP_800 0x0020 /* 800MHz */
449 #define PCI_HT_LFCAP_1000 0x0040 /* 1.0GHz */
450 #define PCI_HT_LFCAP_1200 0x0080 /* 1.2GHz */
451 #define PCI_HT_LFCAP_1400 0x0100 /* 1.4GHz */
452 #define PCI_HT_LFCAP_1600 0x0200 /* 1.6GHz */
453 #define PCI_HT_LFCAP_VEND 0x8000 /* Vendor-Specific */
455 /* Feature Register */
456 #define PCI_HT_FTR_ISOCFC 0x0001 /* Isochronous Flow Control Mode */
457 #define PCI_HT_FTR_LDTSTOP 0x0002 /* LDTSTOP# Supported */
458 #define PCI_HT_FTR_CRCTM 0x0004 /* CRC Test Mode */
459 #define PCI_HT_FTR_ECTLT 0x0008 /* Extended CTL Time Required */
460 #define PCI_HT_FTR_64BA 0x0010 /* 64-bit Addressing */
461 #define PCI_HT_FTR_UIDRD 0x0020 /* UnitID Reorder Disable */
463 /* Error Handling Register */
464 #define PCI_HT_EH_PFLE 0x0001 /* Protocol Error Flood Enable */
465 #define PCI_HT_EH_OFLE 0x0002 /* Overflow Error Flood Enable */
466 #define PCI_HT_EH_PFE 0x0004 /* Protocol Error Fatal Enable */
467 #define PCI_HT_EH_OFE 0x0008 /* Overflow Error Fatal Enable */
468 #define PCI_HT_EH_EOCFE 0x0010 /* End of Chain Error Fatal Enable */
469 #define PCI_HT_EH_RFE 0x0020 /* Response Error Fatal Enable */
470 #define PCI_HT_EH_CRCFE 0x0040 /* CRC Error Fatal Enable */
471 #define PCI_HT_EH_SERRFE 0x0080 /* System Error Fatal Enable (B */
472 #define PCI_HT_EH_CF 0x0100 /* Chain Fail */
473 #define PCI_HT_EH_RE 0x0200 /* Response Error */
474 #define PCI_HT_EH_PNFE 0x0400 /* Protocol Error Nonfatal Enable */
475 #define PCI_HT_EH_ONFE 0x0800 /* Overflow Error Nonfatal Enable */
476 #define PCI_HT_EH_EOCNFE 0x1000 /* End of Chain Error Nonfatal Enable */
477 #define PCI_HT_EH_RNFE 0x2000 /* Response Error Nonfatal Enable */
478 #define PCI_HT_EH_CRCNFE 0x4000 /* CRC Error Nonfatal Enable */
479 #define PCI_HT_EH_SERRNFE 0x8000 /* System Error Nonfatal Enable */
481 /* HyperTransport: Slave or Primary Interface */
482 #define PCI_HT_PRI_CMD 2 /* Command Register */
483 #define PCI_HT_PRI_CMD_BUID 0x001f /* Base UnitID */
484 #define PCI_HT_PRI_CMD_UC 0x03e0 /* Unit Count */
485 #define PCI_HT_PRI_CMD_MH 0x0400 /* Master Host */
486 #define PCI_HT_PRI_CMD_DD 0x0800 /* Default Direction */
487 #define PCI_HT_PRI_CMD_DUL 0x1000 /* Drop on Uninitialized Link */
489 #define PCI_HT_PRI_LCTR0 4 /* Link Control 0 Register */
490 #define PCI_HT_PRI_LCNF0 6 /* Link Config 0 Register */
491 #define PCI_HT_PRI_LCTR1 8 /* Link Control 1 Register */
492 #define PCI_HT_PRI_LCNF1 10 /* Link Config 1 Register */
493 #define PCI_HT_PRI_RID 12 /* Revision ID Register */
494 #define PCI_HT_PRI_LFRER0 13 /* Link Frequency/Error 0 Register */
495 #define PCI_HT_PRI_LFCAP0 14 /* Link Frequency Capability 0 Register */
496 #define PCI_HT_PRI_FTR 16 /* Feature Register */
497 #define PCI_HT_PRI_LFRER1 17 /* Link Frequency/Error 1 Register */
498 #define PCI_HT_PRI_LFCAP1 18 /* Link Frequency Capability 1 Register */
499 #define PCI_HT_PRI_ES 20 /* Enumeration Scratchpad Register */
500 #define PCI_HT_PRI_EH 22 /* Error Handling Register */
501 #define PCI_HT_PRI_MBU 24 /* Memory Base Upper Register */
502 #define PCI_HT_PRI_MLU 25 /* Memory Limit Upper Register */
503 #define PCI_HT_PRI_BN 26 /* Bus Number Register */
504 #define PCI_HT_PRI_SIZEOF 28
506 /* HyperTransport: Host or Secondary Interface */
507 #define PCI_HT_SEC_CMD 2 /* Command Register */
508 #define PCI_HT_SEC_CMD_WR 0x0001 /* Warm Reset */
509 #define PCI_HT_SEC_CMD_DE 0x0002 /* Double-Ended */
510 #define PCI_HT_SEC_CMD_DN 0x0076 /* Device Number */
511 #define PCI_HT_SEC_CMD_CS 0x0080 /* Chain Side */
512 #define PCI_HT_SEC_CMD_HH 0x0100 /* Host Hide */
513 #define PCI_HT_SEC_CMD_AS 0x0400 /* Act as Slave */
514 #define PCI_HT_SEC_CMD_HIECE 0x0800 /* Host Inbound End of Chain Error */
515 #define PCI_HT_SEC_CMD_DUL 0x1000 /* Drop on Uninitialized Link */
517 #define PCI_HT_SEC_LCTR 4 /* Link Control Register */
518 #define PCI_HT_SEC_LCNF 6 /* Link Config Register */
519 #define PCI_HT_SEC_RID 8 /* Revision ID Register */
520 #define PCI_HT_SEC_LFRER 9 /* Link Frequency/Error Register */
521 #define PCI_HT_SEC_LFCAP 10 /* Link Frequency Capability Register */
522 #define PCI_HT_SEC_FTR 12 /* Feature Register */
523 #define PCI_HT_SEC_FTR_EXTRS 0x0100 /* Extended Register Set */
524 #define PCI_HT_SEC_FTR_UCNFE 0x0200 /* Upstream Configuration Enable */
525 #define PCI_HT_SEC_ES 16 /* Enumeration Scratchpad Register */
526 #define PCI_HT_SEC_EH 18 /* Error Handling Register */
527 #define PCI_HT_SEC_MBU 20 /* Memory Base Upper Register */
528 #define PCI_HT_SEC_MLU 21 /* Memory Limit Upper Register */
529 #define PCI_HT_SEC_SIZEOF 24
531 /* HyperTransport: Switch */
532 #define PCI_HT_SW_CMD 2 /* Switch Command Register */
533 #define PCI_HT_SW_CMD_VIBERR 0x0080 /* VIB Error */
534 #define PCI_HT_SW_CMD_VIBFL 0x0100 /* VIB Flood */
535 #define PCI_HT_SW_CMD_VIBFT 0x0200 /* VIB Fatal */
536 #define PCI_HT_SW_CMD_VIBNFT 0x0400 /* VIB Nonfatal */
537 #define PCI_HT_SW_PMASK 4 /* Partition Mask Register */
538 #define PCI_HT_SW_SWINF 8 /* Switch Info Register */
539 #define PCI_HT_SW_SWINF_DP 0x0000001f /* Default Port */
540 #define PCI_HT_SW_SWINF_EN 0x00000020 /* Enable Decode */
541 #define PCI_HT_SW_SWINF_CR 0x00000040 /* Cold Reset */
542 #define PCI_HT_SW_SWINF_PCIDX 0x00000f00 /* Performance Counter Index */
543 #define PCI_HT_SW_SWINF_BLRIDX 0x0003f000 /* Base/Limit Range Index */
544 #define PCI_HT_SW_SWINF_SBIDX 0x00002000 /* Secondary Base Range Index */
545 #define PCI_HT_SW_SWINF_HP 0x00040000 /* Hot Plug */
546 #define PCI_HT_SW_SWINF_HIDE 0x00080000 /* Hide Port */
547 #define PCI_HT_SW_PCD 12 /* Performance Counter Data Register */
548 #define PCI_HT_SW_BLRD 16 /* Base/Limit Range Data Register */
549 #define PCI_HT_SW_SBD 20 /* Secondary Base Data Register */
550 #define PCI_HT_SW_SIZEOF 24
552 /* Counter indices */
553 #define PCI_HT_SW_PC_PCR 0x0 /* Posted Command Receive */
554 #define PCI_HT_SW_PC_NPCR 0x1 /* Nonposted Command Receive */
555 #define PCI_HT_SW_PC_RCR 0x2 /* Response Command Receive */
556 #define PCI_HT_SW_PC_PDWR 0x3 /* Posted DW Receive */
557 #define PCI_HT_SW_PC_NPDWR 0x4 /* Nonposted DW Receive */
558 #define PCI_HT_SW_PC_RDWR 0x5 /* Response DW Receive */
559 #define PCI_HT_SW_PC_PCT 0x6 /* Posted Command Transmit */
560 #define PCI_HT_SW_PC_NPCT 0x7 /* Nonposted Command Transmit */
561 #define PCI_HT_SW_PC_RCT 0x8 /* Response Command Transmit */
562 #define PCI_HT_SW_PC_PDWT 0x9 /* Posted DW Transmit */
563 #define PCI_HT_SW_PC_NPDWT 0xa /* Nonposted DW Transmit */
564 #define PCI_HT_SW_PC_RDWT 0xb /* Response DW Transmit */
566 /* Base/Limit Range indices */
567 #define PCI_HT_SW_BLR_BASE0_LO 0x0 /* Base 0[31:1], Enable */
568 #define PCI_HT_SW_BLR_BASE0_HI 0x1 /* Base 0 Upper */
569 #define PCI_HT_SW_BLR_LIM0_LO 0x2 /* Limit 0 Lower */
570 #define PCI_HT_SW_BLR_LIM0_HI 0x3 /* Limit 0 Upper */
572 /* Secondary Base indices */
573 #define PCI_HT_SW_SB_LO 0x0 /* Secondary Base[31:1], Enable */
574 #define PCI_HT_SW_S0_HI 0x1 /* Secondary Base Upper */
576 /* HyperTransport: Interrupt Discovery and Configuration */
577 #define PCI_HT_IDC_IDX 2 /* Index Register */
578 #define PCI_HT_IDC_DATA 4 /* Data Register */
579 #define PCI_HT_IDC_SIZEOF 8
581 /* Register indices */
582 #define PCI_HT_IDC_IDX_LINT 0x01 /* Last Interrupt Register */
583 #define PCI_HT_IDC_LINT 0x00ff0000 /* Last interrupt definition */
584 #define PCI_HT_IDC_IDX_IDR 0x10 /* Interrupt Definition Registers */
585 /* Low part (at index) */
586 #define PCI_HT_IDC_IDR_MASK 0x10000001 /* Mask */
587 #define PCI_HT_IDC_IDR_POL 0x10000002 /* Polarity */
588 #define PCI_HT_IDC_IDR_II_2 0x1000001c /* IntrInfo[4:2]: Message Type */
589 #define PCI_HT_IDC_IDR_II_5 0x10000020 /* IntrInfo[5]: Request EOI */
590 #define PCI_HT_IDC_IDR_II_6 0x00ffffc0 /* IntrInfo[23:6] */
591 #define PCI_HT_IDC_IDR_II_24 0xff000000 /* IntrInfo[31:24] */
592 /* High part (at index + 1) */
593 #define PCI_HT_IDC_IDR_II_32 0x00ffffff /* IntrInfo[55:32] */
594 #define PCI_HT_IDC_IDR_PASSPW 0x40000000 /* PassPW setting for messages */
595 #define PCI_HT_IDC_IDR_WEOI 0x80000000 /* Waiting for EOI */
597 /* HyperTransport: Revision ID */
598 #define PCI_HT_RID_RID 2 /* Revision Register */
599 #define PCI_HT_RID_SIZEOF 4
601 /* HyperTransport: UnitID Clumping */
602 #define PCI_HT_UIDC_CS 4 /* Clumping Support Register */
603 #define PCI_HT_UIDC_CE 8 /* Clumping Enable Register */
604 #define PCI_HT_UIDC_SIZEOF 12
606 /* HyperTransport: Extended Configuration Space Access */
607 #define PCI_HT_ECSA_ADDR 4 /* Configuration Address Register */
608 #define PCI_HT_ECSA_ADDR_REG 0x00000ffc /* Register */
609 #define PCI_HT_ECSA_ADDR_FUN 0x00007000 /* Function */
610 #define PCI_HT_ECSA_ADDR_DEV 0x000f1000 /* Device */
611 #define PCI_HT_ECSA_ADDR_BUS 0x0ff00000 /* Bus Number */
612 #define PCI_HT_ECSA_ADDR_TYPE 0x10000000 /* Access Type */
613 #define PCI_HT_ECSA_DATA 8 /* Configuration Data Register */
614 #define PCI_HT_ECSA_SIZEOF 12
616 /* HyperTransport: Address Mapping */
617 #define PCI_HT_AM_CMD 2 /* Command Register */
618 #define PCI_HT_AM_CMD_NDMA 0x000f /* Number of DMA Mappings */
619 #define PCI_HT_AM_CMD_IOSIZ 0x01f0 /* I/O Size */
620 #define PCI_HT_AM_CMD_MT 0x0600 /* Map Type */
621 #define PCI_HT_AM_CMD_MT_40B 0x0000 /* 40-bit */
622 #define PCI_HT_AM_CMD_MT_64B 0x0200 /* 64-bit */
624 /* Window Control Register bits */
625 #define PCI_HT_AM_SBW_CTR_COMP 0x1 /* Compat */
626 #define PCI_HT_AM_SBW_CTR_NCOH 0x2 /* NonCoherent */
627 #define PCI_HT_AM_SBW_CTR_ISOC 0x4 /* Isochronous */
628 #define PCI_HT_AM_SBW_CTR_EN 0x8 /* Enable */
630 /* HyperTransport: 40-bit Address Mapping */
631 #define PCI_HT_AM40_SBNPW 4 /* Secondary Bus Non-Prefetchable Window Register */
632 #define PCI_HT_AM40_SBW_BASE 0x000fffff /* Window Base */
633 #define PCI_HT_AM40_SBW_CTR 0xf0000000 /* Window Control */
634 #define PCI_HT_AM40_SBPW 8 /* Secondary Bus Prefetchable Window Register */
635 #define PCI_HT_AM40_DMA_PBASE0 12 /* DMA Window Primary Base 0 Register */
636 #define PCI_HT_AM40_DMA_CTR0 15 /* DMA Window Control 0 Register */
637 #define PCI_HT_AM40_DMA_CTR_CTR 0xf0 /* Window Control */
638 #define PCI_HT_AM40_DMA_SLIM0 16 /* DMA Window Secondary Limit 0 Register */
639 #define PCI_HT_AM40_DMA_SBASE0 18 /* DMA Window Secondary Base 0 Register */
640 #define PCI_HT_AM40_SIZEOF 12 /* size is variable: 12 + 8 * NDMA */
642 /* HyperTransport: 64-bit Address Mapping */
643 #define PCI_HT_AM64_IDX 4 /* Index Register */
644 #define PCI_HT_AM64_DATA_LO 8 /* Data Lower Register */
645 #define PCI_HT_AM64_DATA_HI 12 /* Data Upper Register */
646 #define PCI_HT_AM64_SIZEOF 16
648 /* Register indices */
649 #define PCI_HT_AM64_IDX_SBNPW 0x00 /* Secondary Bus Non-Prefetchable Window Register */
650 #define PCI_HT_AM64_W_BASE_LO 0xfff00000 /* Window Base Lower */
651 #define PCI_HT_AM64_W_CTR 0x0000000f /* Window Control */
652 #define PCI_HT_AM64_IDX_SBPW 0x01 /* Secondary Bus Prefetchable Window Register */
653 #define PCI_HT_AM64_IDX_PBNPW 0x02 /* Primary Bus Non-Prefetchable Window Register */
654 #define PCI_HT_AM64_IDX_DMAPB0 0x04 /* DMA Window Primary Base 0 Register */
655 #define PCI_HT_AM64_IDX_DMASB0 0x05 /* DMA Window Secondary Base 0 Register */
656 #define PCI_HT_AM64_IDX_DMASL0 0x06 /* DMA Window Secondary Limit 0 Register */
658 /* HyperTransport: MSI Mapping */
659 #define PCI_HT_MSIM_CMD 2 /* Command Register */
660 #define PCI_HT_MSIM_CMD_EN 0x0001 /* Mapping Active */
661 #define PCI_HT_MSIM_CMD_FIXD 0x0002 /* MSI Mapping Address Fixed */
662 #define PCI_HT_MSIM_ADDR_LO 4 /* MSI Mapping Address Lower Register */
663 #define PCI_HT_MSIM_ADDR_HI 8 /* MSI Mapping Address Upper Register */
664 #define PCI_HT_MSIM_SIZEOF 12
666 /* HyperTransport: DirectRoute */
667 #define PCI_HT_DR_CMD 2 /* Command Register */
668 #define PCI_HT_DR_CMD_NDRS 0x000f /* Number of DirectRoute Spaces */
669 #define PCI_HT_DR_CMD_IDX 0x01f0 /* Index */
670 #define PCI_HT_DR_EN 4 /* Enable Vector Register */
671 #define PCI_HT_DR_DATA 8 /* Data Register */
672 #define PCI_HT_DR_SIZEOF 12
674 /* Register indices */
675 #define PCI_HT_DR_IDX_BASE_LO 0x00 /* DirectRoute Base Lower Register */
676 #define PCI_HT_DR_OTNRD 0x00000001 /* Opposite to Normal Request Direction */
677 #define PCI_HT_DR_BL_LO 0xffffff00 /* Base/Limit Lower */
678 #define PCI_HT_DR_IDX_BASE_HI 0x01 /* DirectRoute Base Upper Register */
679 #define PCI_HT_DR_IDX_LIMIT_LO 0x02 /* DirectRoute Limit Lower Register */
680 #define PCI_HT_DR_IDX_LIMIT_HI 0x03 /* DirectRoute Limit Upper Register */
682 /* HyperTransport: VCSet */
683 #define PCI_HT_VCS_SUP 4 /* VCSets Supported Register */
684 #define PCI_HT_VCS_L1EN 5 /* Link 1 VCSets Enabled Register */
685 #define PCI_HT_VCS_L0EN 6 /* Link 0 VCSets Enabled Register */
686 #define PCI_HT_VCS_SBD 8 /* Stream Bucket Depth Register */
687 #define PCI_HT_VCS_SINT 9 /* Stream Interval Register */
688 #define PCI_HT_VCS_SSUP 10 /* Number of Streaming VCs Supported Register */
689 #define PCI_HT_VCS_SSUP_0 0x00 /* Streaming VC 0 */
690 #define PCI_HT_VCS_SSUP_3 0x01 /* Streaming VCs 0-3 */
691 #define PCI_HT_VCS_SSUP_15 0x02 /* Streaming VCs 0-15 */
692 #define PCI_HT_VCS_NFCBD 12 /* Non-FC Bucket Depth Register */
693 #define PCI_HT_VCS_NFCINT 13 /* Non-FC Bucket Interval Register */
694 #define PCI_HT_VCS_SIZEOF 16
696 /* HyperTransport: Retry Mode */
697 #define PCI_HT_RM_CTR0 4 /* Control 0 Register */
698 #define PCI_HT_RM_CTR_LRETEN 0x01 /* Link Retry Enable */
699 #define PCI_HT_RM_CTR_FSER 0x02 /* Force Single Error */
700 #define PCI_HT_RM_CTR_ROLNEN 0x04 /* Rollover Nonfatal Enable */
701 #define PCI_HT_RM_CTR_FSS 0x08 /* Force Single Stomp */
702 #define PCI_HT_RM_CTR_RETNEN 0x10 /* Retry Nonfatal Enable */
703 #define PCI_HT_RM_CTR_RETFEN 0x20 /* Retry Fatal Enable */
704 #define PCI_HT_RM_CTR_AA 0xc0 /* Allowed Attempts */
705 #define PCI_HT_RM_STS0 5 /* Status 0 Register */
706 #define PCI_HT_RM_STS_RETSNT 0x01 /* Retry Sent */
707 #define PCI_HT_RM_STS_CNTROL 0x02 /* Count Rollover */
708 #define PCI_HT_RM_STS_SRCV 0x04 /* Stomp Received */
709 #define PCI_HT_RM_CTR1 6 /* Control 1 Register */
710 #define PCI_HT_RM_STS1 7 /* Status 1 Register */
711 #define PCI_HT_RM_CNT0 8 /* Retry Count 0 Register */
712 #define PCI_HT_RM_CNT1 10 /* Retry Count 1 Register */
713 #define PCI_HT_RM_SIZEOF 12
715 /* Vendor-Specific Capability (see PCI_EVNDR_xxx for the PCIe version) */
716 #define PCI_VNDR_LENGTH 2 /* Length byte */
719 #define PCI_EXP_FLAGS 0x2 /* Capabilities register */
720 #define PCI_EXP_FLAGS_VERS 0x000f /* Capability version */
721 #define PCI_EXP_FLAGS_TYPE 0x00f0 /* Device/Port type */
722 #define PCI_EXP_TYPE_ENDPOINT 0x0 /* Express Endpoint */
723 #define PCI_EXP_TYPE_LEG_END 0x1 /* Legacy Endpoint */
724 #define PCI_EXP_TYPE_ROOT_PORT 0x4 /* Root Port */
725 #define PCI_EXP_TYPE_UPSTREAM 0x5 /* Upstream Port */
726 #define PCI_EXP_TYPE_DOWNSTREAM 0x6 /* Downstream Port */
727 #define PCI_EXP_TYPE_PCI_BRIDGE 0x7 /* PCI/PCI-X Bridge */
728 #define PCI_EXP_TYPE_PCIE_BRIDGE 0x8 /* PCI/PCI-X to PCIE Bridge */
729 #define PCI_EXP_TYPE_ROOT_INT_EP 0x9 /* Root Complex Integrated Endpoint */
730 #define PCI_EXP_TYPE_ROOT_EC 0xa /* Root Complex Event Collector */
731 #define PCI_EXP_FLAGS_SLOT 0x0100 /* Slot implemented */
732 #define PCI_EXP_FLAGS_IRQ 0x3e00 /* Interrupt message number */
733 #define PCI_EXP_DEVCAP 0x4 /* Device capabilities */
734 #define PCI_EXP_DEVCAP_PAYLOAD 0x07 /* Max_Payload_Size */
735 #define PCI_EXP_DEVCAP_PHANTOM 0x18 /* Phantom functions */
736 #define PCI_EXP_DEVCAP_EXT_TAG 0x20 /* Extended tags */
737 #define PCI_EXP_DEVCAP_L0S 0x1c0 /* L0s Acceptable Latency */
738 #define PCI_EXP_DEVCAP_L1 0xe00 /* L1 Acceptable Latency */
739 #define PCI_EXP_DEVCAP_ATN_BUT 0x1000 /* Attention Button Present */
740 #define PCI_EXP_DEVCAP_ATN_IND 0x2000 /* Attention Indicator Present */
741 #define PCI_EXP_DEVCAP_PWR_IND 0x4000 /* Power Indicator Present */
742 #define PCI_EXP_DEVCAP_RBE 0x8000 /* Role-Based Error Reporting */
743 #define PCI_EXP_DEVCAP_PWR_VAL 0x3fc0000 /* Slot Power Limit Value */
744 #define PCI_EXP_DEVCAP_PWR_SCL 0xc000000 /* Slot Power Limit Scale */
745 #define PCI_EXP_DEVCAP_FLRESET 0x10000000 /* Function-Level Reset */
746 #define PCI_EXP_DEVCTL 0x8 /* Device Control */
747 #define PCI_EXP_DEVCTL_CERE 0x0001 /* Correctable Error Reporting En. */
748 #define PCI_EXP_DEVCTL_NFERE 0x0002 /* Non-Fatal Error Reporting Enable */
749 #define PCI_EXP_DEVCTL_FERE 0x0004 /* Fatal Error Reporting Enable */
750 #define PCI_EXP_DEVCTL_URRE 0x0008 /* Unsupported Request Reporting En. */
751 #define PCI_EXP_DEVCTL_RELAXED 0x0010 /* Enable Relaxed Ordering */
752 #define PCI_EXP_DEVCTL_PAYLOAD 0x00e0 /* Max_Payload_Size */
753 #define PCI_EXP_DEVCTL_EXT_TAG 0x0100 /* Extended Tag Field Enable */
754 #define PCI_EXP_DEVCTL_PHANTOM 0x0200 /* Phantom Functions Enable */
755 #define PCI_EXP_DEVCTL_AUX_PME 0x0400 /* Auxiliary Power PM Enable */
756 #define PCI_EXP_DEVCTL_NOSNOOP 0x0800 /* Enable No Snoop */
757 #define PCI_EXP_DEVCTL_READRQ 0x7000 /* Max_Read_Request_Size */
758 #define PCI_EXP_DEVCTL_BCRE 0x8000 /* Bridge Configuration Retry Enable */
759 #define PCI_EXP_DEVCTL_FLRESET 0x8000 /* Function-Level Reset [bit shared with BCRE] */
760 #define PCI_EXP_DEVSTA 0xa /* Device Status */
761 #define PCI_EXP_DEVSTA_CED 0x01 /* Correctable Error Detected */
762 #define PCI_EXP_DEVSTA_NFED 0x02 /* Non-Fatal Error Detected */
763 #define PCI_EXP_DEVSTA_FED 0x04 /* Fatal Error Detected */
764 #define PCI_EXP_DEVSTA_URD 0x08 /* Unsupported Request Detected */
765 #define PCI_EXP_DEVSTA_AUXPD 0x10 /* AUX Power Detected */
766 #define PCI_EXP_DEVSTA_TRPND 0x20 /* Transactions Pending */
767 #define PCI_EXP_LNKCAP 0xc /* Link Capabilities */
768 #define PCI_EXP_LNKCAP_SPEED 0x0000f /* Maximum Link Speed */
769 #define PCI_EXP_LNKCAP_WIDTH 0x003f0 /* Maximum Link Width */
770 #define PCI_EXP_LNKCAP_ASPM 0x00c00 /* Active State Power Management */
771 #define PCI_EXP_LNKCAP_L0S 0x07000 /* L0s Acceptable Latency */
772 #define PCI_EXP_LNKCAP_L1 0x38000 /* L1 Acceptable Latency */
773 #define PCI_EXP_LNKCAP_CLOCKPM 0x40000 /* Clock Power Management */
774 #define PCI_EXP_LNKCAP_SURPRISE 0x80000 /* Surprise Down Error Reporting */
775 #define PCI_EXP_LNKCAP_DLLA 0x100000 /* Data Link Layer Active Reporting */
776 #define PCI_EXP_LNKCAP_LBNC 0x200000 /* Link Bandwidth Notification Capability */
777 #define PCI_EXP_LNKCAP_PORT 0xff000000 /* Port Number */
778 #define PCI_EXP_LNKCTL 0x10 /* Link Control */
779 #define PCI_EXP_LNKCTL_ASPM 0x0003 /* ASPM Control */
780 #define PCI_EXP_LNKCTL_RCB 0x0008 /* Read Completion Boundary */
781 #define PCI_EXP_LNKCTL_DISABLE 0x0010 /* Link Disable */
782 #define PCI_EXP_LNKCTL_RETRAIN 0x0020 /* Retrain Link */
783 #define PCI_EXP_LNKCTL_CLOCK 0x0040 /* Common Clock Configuration */
784 #define PCI_EXP_LNKCTL_XSYNCH 0x0080 /* Extended Synch */
785 #define PCI_EXP_LNKCTL_CLOCKPM 0x0100 /* Clock Power Management */
786 #define PCI_EXP_LNKCTL_HWAUTWD 0x0200 /* Hardware Autonomous Width Disable */
787 #define PCI_EXP_LNKCTL_BWMIE 0x0400 /* Bandwidth Mgmt Interrupt Enable */
788 #define PCI_EXP_LNKCTL_AUTBWIE 0x0800 /* Autonomous Bandwidth Mgmt Interrupt Enable */
789 #define PCI_EXP_LNKSTA 0x12 /* Link Status */
790 #define PCI_EXP_LNKSTA_SPEED 0x000f /* Negotiated Link Speed */
791 #define PCI_EXP_LNKSTA_WIDTH 0x03f0 /* Negotiated Link Width */
792 #define PCI_EXP_LNKSTA_TR_ERR 0x0400 /* Training Error (obsolete) */
793 #define PCI_EXP_LNKSTA_TRAIN 0x0800 /* Link Training */
794 #define PCI_EXP_LNKSTA_SL_CLK 0x1000 /* Slot Clock Configuration */
795 #define PCI_EXP_LNKSTA_DL_ACT 0x2000 /* Data Link Layer in DL_Active State */
796 #define PCI_EXP_LNKSTA_BWMGMT 0x4000 /* Bandwidth Mgmt Status */
797 #define PCI_EXP_LNKSTA_AUTBW 0x8000 /* Autonomous Bandwidth Mgmt Status */
798 #define PCI_EXP_SLTCAP 0x14 /* Slot Capabilities */
799 #define PCI_EXP_SLTCAP_ATNB 0x0001 /* Attention Button Present */
800 #define PCI_EXP_SLTCAP_PWRC 0x0002 /* Power Controller Present */
801 #define PCI_EXP_SLTCAP_MRL 0x0004 /* MRL Sensor Present */
802 #define PCI_EXP_SLTCAP_ATNI 0x0008 /* Attention Indicator Present */
803 #define PCI_EXP_SLTCAP_PWRI 0x0010 /* Power Indicator Present */
804 #define PCI_EXP_SLTCAP_HPS 0x0020 /* Hot-Plug Surprise */
805 #define PCI_EXP_SLTCAP_HPC 0x0040 /* Hot-Plug Capable */
806 #define PCI_EXP_SLTCAP_PWR_VAL 0x00007f80 /* Slot Power Limit Value */
807 #define PCI_EXP_SLTCAP_PWR_SCL 0x00018000 /* Slot Power Limit Scale */
808 #define PCI_EXP_SLTCAP_INTERLOCK 0x020000 /* Electromechanical Interlock Present */
809 #define PCI_EXP_SLTCAP_NOCMDCOMP 0x040000 /* No Command Completed Support */
810 #define PCI_EXP_SLTCAP_PSN 0xfff80000 /* Physical Slot Number */
811 #define PCI_EXP_SLTCTL 0x18 /* Slot Control */
812 #define PCI_EXP_SLTCTL_ATNB 0x0001 /* Attention Button Pressed Enable */
813 #define PCI_EXP_SLTCTL_PWRF 0x0002 /* Power Fault Detected Enable */
814 #define PCI_EXP_SLTCTL_MRLS 0x0004 /* MRL Sensor Changed Enable */
815 #define PCI_EXP_SLTCTL_PRSD 0x0008 /* Presence Detect Changed Enable */
816 #define PCI_EXP_SLTCTL_CMDC 0x0010 /* Command Completed Interrupt Enable */
817 #define PCI_EXP_SLTCTL_HPIE 0x0020 /* Hot-Plug Interrupt Enable */
818 #define PCI_EXP_SLTCTL_ATNI 0x00c0 /* Attention Indicator Control */
819 #define PCI_EXP_SLTCTL_PWRI 0x0300 /* Power Indicator Control */
820 #define PCI_EXP_SLTCTL_PWRC 0x0400 /* Power Controller Control */
821 #define PCI_EXP_SLTCTL_INTERLOCK 0x0800 /* Electromechanical Interlock Control */
822 #define PCI_EXP_SLTCTL_LLCHG 0x1000 /* Data Link Layer State Changed Enable */
823 #define PCI_EXP_SLTSTA 0x1a /* Slot Status */
824 #define PCI_EXP_SLTSTA_ATNB 0x0001 /* Attention Button Pressed */
825 #define PCI_EXP_SLTSTA_PWRF 0x0002 /* Power Fault Detected */
826 #define PCI_EXP_SLTSTA_MRLS 0x0004 /* MRL Sensor Changed */
827 #define PCI_EXP_SLTSTA_PRSD 0x0008 /* Presence Detect Changed */
828 #define PCI_EXP_SLTSTA_CMDC 0x0010 /* Command Completed */
829 #define PCI_EXP_SLTSTA_MRL_ST 0x0020 /* MRL Sensor State */
830 #define PCI_EXP_SLTSTA_PRES 0x0040 /* Presence Detect State */
831 #define PCI_EXP_SLTSTA_INTERLOCK 0x0080 /* Electromechanical Interlock Status */
832 #define PCI_EXP_SLTSTA_LLCHG 0x0100 /* Data Link Layer State Changed */
833 #define PCI_EXP_RTCTL 0x1c /* Root Control */
834 #define PCI_EXP_RTCTL_SECEE 0x0001 /* System Error on Correctable Error */
835 #define PCI_EXP_RTCTL_SENFEE 0x0002 /* System Error on Non-Fatal Error */
836 #define PCI_EXP_RTCTL_SEFEE 0x0004 /* System Error on Fatal Error */
837 #define PCI_EXP_RTCTL_PMEIE 0x0008 /* PME Interrupt Enable */
838 #define PCI_EXP_RTCTL_CRSVIS 0x0010 /* Configuration Request Retry Status Visible to SW */
839 #define PCI_EXP_RTCAP 0x1e /* Root Capabilities */
840 #define PCI_EXP_RTCAP_CRSVIS 0x0010 /* Configuration Request Retry Status Visible to SW */
841 #define PCI_EXP_RTSTA 0x20 /* Root Status */
842 #define PCI_EXP_RTSTA_PME_REQID 0x0000ffff /* PME Requester ID */
843 #define PCI_EXP_RTSTA_PME_STATUS 0x00010000 /* PME Status */
844 #define PCI_EXP_RTSTA_PME_PENDING 0x00020000 /* PME is Pending */
845 #define PCI_EXP_DEVCAP2 0x24 /* Device capabilities 2 */
846 #define PCI_EXP_DEVCTL2 0x28 /* Device Control */
847 #define PCI_EXP_DEV2_TIMEOUT_RANGE(x) ((x) & 0xf) /* Completion Timeout Ranges Supported */
848 #define PCI_EXP_DEV2_TIMEOUT_VALUE(x) ((x) & 0xf) /* Completion Timeout Value */
849 #define PCI_EXP_DEV2_TIMEOUT_DIS 0x0010 /* Completion Timeout Disable Supported */
850 #define PCI_EXP_DEV2_ARI 0x0020 /* ARI Forwarding */
851 #define PCI_EXP_DEVSTA2 0x2a /* Device Status */
852 #define PCI_EXP_LNKCAP2 0x2c /* Link Capabilities */
853 #define PCI_EXP_LNKCTL2 0x30 /* Link Control */
854 #define PCI_EXP_LNKCTL2_SPEED(x) ((x) & 0xf) /* Target Link Speed */
855 #define PCI_EXP_LNKCTL2_CMPLNC 0x0010 /* Enter Compliance */
856 #define PCI_EXP_LNKCTL2_SPEED_DIS 0x0020 /* Hardware Autonomous Speed Disable */
857 #define PCI_EXP_LNKCTL2_DEEMPHASIS(x) (((x) >> 6) & 1) /* Selectable De-emphasis */
858 #define PCI_EXP_LNKCTL2_MARGIN(x) (((x) >> 7) & 7) /* Transmit Margin */
859 #define PCI_EXP_LNKCTL2_MOD_CMPLNC 0x0400 /* Enter Modified Compliance */
860 #define PCI_EXP_LNKCTL2_CMPLNC_SOS 0x0800 /* Compliance SOS */
861 #define PCI_EXP_LNKCTL2_COM_DEEMPHASIS(x) (((x) >> 12) & 1) /* Compliance De-emphasis */
862 #define PCI_EXP_LNKSTA2 0x32 /* Link Status */
863 #define PCI_EXP_LINKSTA2_DEEMPHASIS(x) ((x) & 1) /* Current De-emphasis Level */
864 #define PCI_EXP_SLTCAP2 0x34 /* Slot Capabilities */
865 #define PCI_EXP_SLTCTL2 0x38 /* Slot Control */
866 #define PCI_EXP_SLTSTA2 0x3a /* Slot Status */
869 #define PCI_MSIX_ENABLE 0x8000
870 #define PCI_MSIX_MASK 0x4000
871 #define PCI_MSIX_TABSIZE 0x07ff
872 #define PCI_MSIX_TABLE 4
873 #define PCI_MSIX_PBA 8
874 #define PCI_MSIX_BIR 0x7
876 /* Subsystem vendor/device ID for PCI bridges */
877 #define PCI_SSVID_VENDOR 4
878 #define PCI_SSVID_DEVICE 6
880 /* PCI Advanced Features */
882 #define PCI_AF_CAP_TP 0x01
883 #define PCI_AF_CAP_FLR 0x02
884 #define PCI_AF_CTRL 4
885 #define PCI_AF_CTRL_FLR 0x01
886 #define PCI_AF_STATUS 5
887 #define PCI_AF_STATUS_TP 0x01
889 /* SATA Host Bus Adapter */
890 #define PCI_SATA_HBA_BARS 4
891 #define PCI_SATA_HBA_REG0 8
893 /*** Definitions of extended capabilities ***/
895 /* Advanced Error Reporting */
896 #define PCI_ERR_UNCOR_STATUS 4 /* Uncorrectable Error Status */
897 #define PCI_ERR_UNC_TRAIN 0x00000001 /* Undefined in PCIe rev1.1 & 2.0 spec */
898 #define PCI_ERR_UNC_DLP 0x00000010 /* Data Link Protocol */
899 #define PCI_ERR_UNC_SDES 0x00000020 /* Surprise Down Error */
900 #define PCI_ERR_UNC_POISON_TLP 0x00001000 /* Poisoned TLP */
901 #define PCI_ERR_UNC_FCP 0x00002000 /* Flow Control Protocol */
902 #define PCI_ERR_UNC_COMP_TIME 0x00004000 /* Completion Timeout */
903 #define PCI_ERR_UNC_COMP_ABORT 0x00008000 /* Completer Abort */
904 #define PCI_ERR_UNC_UNX_COMP 0x00010000 /* Unexpected Completion */
905 #define PCI_ERR_UNC_RX_OVER 0x00020000 /* Receiver Overflow */
906 #define PCI_ERR_UNC_MALF_TLP 0x00040000 /* Malformed TLP */
907 #define PCI_ERR_UNC_ECRC 0x00080000 /* ECRC Error Status */
908 #define PCI_ERR_UNC_UNSUP 0x00100000 /* Unsupported Request */
909 #define PCI_ERR_UNC_ACS_VIOL 0x00200000 /* ACS Violation */
910 #define PCI_ERR_UNCOR_MASK 8 /* Uncorrectable Error Mask */
911 /* Same bits as above */
912 #define PCI_ERR_UNCOR_SEVER 12 /* Uncorrectable Error Severity */
913 /* Same bits as above */
914 #define PCI_ERR_COR_STATUS 16 /* Correctable Error Status */
915 #define PCI_ERR_COR_RCVR 0x00000001 /* Receiver Error Status */
916 #define PCI_ERR_COR_BAD_TLP 0x00000040 /* Bad TLP Status */
917 #define PCI_ERR_COR_BAD_DLLP 0x00000080 /* Bad DLLP Status */
918 #define PCI_ERR_COR_REP_ROLL 0x00000100 /* REPLAY_NUM Rollover */
919 #define PCI_ERR_COR_REP_TIMER 0x00001000 /* Replay Timer Timeout */
920 #define PCI_ERR_COR_REP_ANFE 0x00002000 /* Advisory Non-Fatal Error */
921 #define PCI_ERR_COR_MASK 20 /* Correctable Error Mask */
922 /* Same bits as above */
923 #define PCI_ERR_CAP 24 /* Advanced Error Capabilities */
924 #define PCI_ERR_CAP_FEP(x) ((x) & 31) /* First Error Pointer */
925 #define PCI_ERR_CAP_ECRC_GENC 0x00000020 /* ECRC Generation Capable */
926 #define PCI_ERR_CAP_ECRC_GENE 0x00000040 /* ECRC Generation Enable */
927 #define PCI_ERR_CAP_ECRC_CHKC 0x00000080 /* ECRC Check Capable */
928 #define PCI_ERR_CAP_ECRC_CHKE 0x00000100 /* ECRC Check Enable */
929 #define PCI_ERR_HEADER_LOG 28 /* Header Log Register (16 bytes) */
930 #define PCI_ERR_ROOT_COMMAND 44 /* Root Error Command */
931 #define PCI_ERR_ROOT_STATUS 48
932 #define PCI_ERR_ROOT_COR_SRC 52
933 #define PCI_ERR_ROOT_SRC 54
935 /* Virtual Channel */
936 #define PCI_VC_PORT_REG1 4
937 #define PCI_VC_PORT_REG2 8
938 #define PCI_VC_PORT_CTRL 12
939 #define PCI_VC_PORT_STATUS 14
940 #define PCI_VC_RES_CAP 16
941 #define PCI_VC_RES_CTRL 20
942 #define PCI_VC_RES_STATUS 26
944 /* Power Budgeting */
945 #define PCI_PWR_DSR 4 /* Data Select Register */
946 #define PCI_PWR_DATA 8 /* Data Register */
947 #define PCI_PWR_DATA_BASE(x) ((x) & 0xff) /* Base Power */
948 #define PCI_PWR_DATA_SCALE(x) (((x) >> 8) & 3) /* Data Scale */
949 #define PCI_PWR_DATA_PM_SUB(x) (((x) >> 10) & 7) /* PM Sub State */
950 #define PCI_PWR_DATA_PM_STATE(x) (((x) >> 13) & 3) /* PM State */
951 #define PCI_PWR_DATA_TYPE(x) (((x) >> 15) & 7) /* Type */
952 #define PCI_PWR_DATA_RAIL(x) (((x) >> 18) & 7) /* Power Rail */
953 #define PCI_PWR_CAP 12 /* Capability */
954 #define PCI_PWR_CAP_BUDGET(x) ((x) & 1) /* Included in system budget */
956 /* Root Complex Link */
957 #define PCI_RCLINK_ESD 4 /* Element Self Description */
958 #define PCI_RCLINK_LINK1 16 /* First Link Entry */
959 #define PCI_RCLINK_LINK_DESC 0 /* Link Entry: Description */
960 #define PCI_RCLINK_LINK_ADDR 8 /* Link Entry: Address (64-bit) */
961 #define PCI_RCLINK_LINK_SIZE 16 /* Link Entry: sizeof */
963 /* PCIe Vendor-Specific Capability */
964 #define PCI_EVNDR_HEADER 4 /* Vendor-Specific Header */
965 #define PCI_EVNDR_REGISTERS 8 /* Vendor-Specific Registers */
967 /* Access Control Services */
968 #define PCI_ACS_CAP 0x04 /* ACS Capability Register */
969 #define PCI_ACS_CAP_VALID 0x0001 /* ACS Source Validation */
970 #define PCI_ACS_CAP_BLOCK 0x0002 /* ACS Translation Blocking */
971 #define PCI_ACS_CAP_REQ_RED 0x0004 /* ACS P2P Request Redirect */
972 #define PCI_ACS_CAP_CMPLT_RED 0x0008 /* ACS P2P Completion Redirect */
973 #define PCI_ACS_CAP_FORWARD 0x0010 /* ACS Upstream Forwarding */
974 #define PCI_ACS_CAP_EGRESS 0x0020 /* ACS P2P Egress Control */
975 #define PCI_ACS_CAP_TRANS 0x0040 /* ACS Direct Translated P2P */
976 #define PCI_ACS_CAP_VECTOR(x) (((x) >> 8) & 0xff) /* Egress Control Vector Size */
977 #define PCI_ACS_CTRL 0x06 /* ACS Control Register */
978 #define PCI_ACS_CTRL_VALID 0x0001 /* ACS Source Validation Enable */
979 #define PCI_ACS_CTRL_BLOCK 0x0002 /* ACS Translation Blocking Enable */
980 #define PCI_ACS_CTRL_REQ_RED 0x0004 /* ACS P2P Request Redirect Enable */
981 #define PCI_ACS_CTRL_CMPLT_RED 0x0008 /* ACS P2P Completion Redirect Enable */
982 #define PCI_ACS_CTRL_FORWARD 0x0010 /* ACS Upstream Forwarding Enable */
983 #define PCI_ACS_CTRL_EGRESS 0x0020 /* ACS P2P Egress Control Enable */
984 #define PCI_ACS_CTRL_TRANS 0x0040 /* ACS Direct Translated P2P Enable */
985 #define PCI_ACS_EGRESS_CTRL 0x08 /* Egress Control Vector */
987 /* Alternative Routing-ID Interpretation */
988 #define PCI_ARI_CAP 0x04 /* ARI Capability Register */
989 #define PCI_ARI_CAP_MFVC 0x0001 /* MFVC Function Groups Capability */
990 #define PCI_ARI_CAP_ACS 0x0002 /* ACS Function Groups Capability */
991 #define PCI_ARI_CAP_NFN(x) (((x) >> 8) & 0xff) /* Next Function Number */
992 #define PCI_ARI_CTRL 0x06 /* ARI Control Register */
993 #define PCI_ARI_CTRL_MFVC 0x0001 /* MFVC Function Groups Enable */
994 #define PCI_ARI_CTRL_ACS 0x0002 /* ACS Function Groups Enable */
995 #define PCI_ARI_CTRL_FG(x) (((x) >> 4) & 7) /* Function Group */
997 /* Address Translation Service */
998 #define PCI_ATS_CAP 0x04 /* ATS Capability Register */
999 #define PCI_ATS_CAP_IQD(x) ((x) & 0x1f) /* Invalidate Queue Depth */
1000 #define PCI_ATS_CTRL 0x06 /* ATS Control Register */
1001 #define PCI_ATS_CTRL_STU(x) ((x) & 0x1f) /* Smallest Translation Unit */
1002 #define PCI_ATS_CTRL_ENABLE 0x8000 /* ATS Enable */
1004 /* Single Root I/O Virtualization */
1005 #define PCI_IOV_CAP 0x04 /* SR-IOV Capability Register */
1006 #define PCI_IOV_CAP_VFM 0x00000001 /* VF Migration Capable */
1007 #define PCI_IOV_CAP_IMN(x) ((x) >> 21) /* VF Migration Interrupt Message Number */
1008 #define PCI_IOV_CTRL 0x08 /* SR-IOV Control Register */
1009 #define PCI_IOV_CTRL_VFE 0x0001 /* VF Enable */
1010 #define PCI_IOV_CTRL_VFME 0x0002 /* VF Migration Enable */
1011 #define PCI_IOV_CTRL_VFMIE 0x0004 /* VF Migration Interrupt Enable */
1012 #define PCI_IOV_CTRL_MSE 0x0008 /* VF MSE */
1013 #define PCI_IOV_CTRL_ARI 0x0010 /* ARI Capable Hierarchy */
1014 #define PCI_IOV_STATUS 0x0a /* SR-IOV Status Register */
1015 #define PCI_IOV_STATUS_MS 0x0001 /* VF Migration Status */
1016 #define PCI_IOV_INITIALVF 0x0c /* Number of VFs that are initially associated */
1017 #define PCI_IOV_TOTALVF 0x0e /* Maximum number of VFs that could be associated */
1018 #define PCI_IOV_NUMVF 0x10 /* Number of VFs that are available */
1019 #define PCI_IOV_FDL 0x12 /* Function Dependency Link */
1020 #define PCI_IOV_OFFSET 0x14 /* First VF Offset */
1021 #define PCI_IOV_STRIDE 0x16 /* Routing ID offset from one VF to the next one */
1022 #define PCI_IOV_DID 0x1a /* VF Device ID */
1023 #define PCI_IOV_SUPPS 0x1c /* Supported Page Sizes */
1024 #define PCI_IOV_SYSPS 0x20 /* System Page Size */
1025 #define PCI_IOV_BAR_BASE 0x24 /* VF BAR0, VF BAR1, ... VF BAR5 */
1026 #define PCI_IOV_NUM_BAR 6 /* Number of VF BARs */
1027 #define PCI_IOV_MSAO 0x3c /* VF Migration State Array Offset */
1028 #define PCI_IOV_MSA_BIR(x) ((x) & 7) /* VF Migration State BIR */
1029 #define PCI_IOV_MSA_OFFSET(x) ((x) & 0xfffffff8) /* VF Migration State Offset */
1032 * The PCI interface treats multi-function devices as independent
1033 * devices. The slot/function address of each device is encoded
1034 * in a single byte as follows:
1039 #define PCI_DEVFN(slot,func) ((((slot) & 0x1f) << 3) | ((func) & 0x07))
1040 #define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f)
1041 #define PCI_FUNC(devfn) ((devfn) & 0x07)
1043 /* Device classes and subclasses */
1045 #define PCI_CLASS_NOT_DEFINED 0x0000
1046 #define PCI_CLASS_NOT_DEFINED_VGA 0x0001
1048 #define PCI_BASE_CLASS_STORAGE 0x01
1049 #define PCI_CLASS_STORAGE_SCSI 0x0100
1050 #define PCI_CLASS_STORAGE_IDE 0x0101
1051 #define PCI_CLASS_STORAGE_FLOPPY 0x0102
1052 #define PCI_CLASS_STORAGE_IPI 0x0103
1053 #define PCI_CLASS_STORAGE_RAID 0x0104
1054 #define PCI_CLASS_STORAGE_ATA 0x0105
1055 #define PCI_CLASS_STORAGE_SATA 0x0106
1056 #define PCI_CLASS_STORAGE_SAS 0x0107
1057 #define PCI_CLASS_STORAGE_OTHER 0x0180
1059 #define PCI_BASE_CLASS_NETWORK 0x02
1060 #define PCI_CLASS_NETWORK_ETHERNET 0x0200
1061 #define PCI_CLASS_NETWORK_TOKEN_RING 0x0201
1062 #define PCI_CLASS_NETWORK_FDDI 0x0202
1063 #define PCI_CLASS_NETWORK_ATM 0x0203
1064 #define PCI_CLASS_NETWORK_ISDN 0x0204
1065 #define PCI_CLASS_NETWORK_OTHER 0x0280
1067 #define PCI_BASE_CLASS_DISPLAY 0x03
1068 #define PCI_CLASS_DISPLAY_VGA 0x0300
1069 #define PCI_CLASS_DISPLAY_XGA 0x0301
1070 #define PCI_CLASS_DISPLAY_3D 0x0302
1071 #define PCI_CLASS_DISPLAY_OTHER 0x0380
1073 #define PCI_BASE_CLASS_MULTIMEDIA 0x04
1074 #define PCI_CLASS_MULTIMEDIA_VIDEO 0x0400
1075 #define PCI_CLASS_MULTIMEDIA_AUDIO 0x0401
1076 #define PCI_CLASS_MULTIMEDIA_PHONE 0x0402
1077 #define PCI_CLASS_MULTIMEDIA_AUDIO_DEV 0x0403
1078 #define PCI_CLASS_MULTIMEDIA_OTHER 0x0480
1080 #define PCI_BASE_CLASS_MEMORY 0x05
1081 #define PCI_CLASS_MEMORY_RAM 0x0500
1082 #define PCI_CLASS_MEMORY_FLASH 0x0501
1083 #define PCI_CLASS_MEMORY_OTHER 0x0580
1085 #define PCI_BASE_CLASS_BRIDGE 0x06
1086 #define PCI_CLASS_BRIDGE_HOST 0x0600
1087 #define PCI_CLASS_BRIDGE_ISA 0x0601
1088 #define PCI_CLASS_BRIDGE_EISA 0x0602
1089 #define PCI_CLASS_BRIDGE_MC 0x0603
1090 #define PCI_CLASS_BRIDGE_PCI 0x0604
1091 #define PCI_CLASS_BRIDGE_PCMCIA 0x0605
1092 #define PCI_CLASS_BRIDGE_NUBUS 0x0606
1093 #define PCI_CLASS_BRIDGE_CARDBUS 0x0607
1094 #define PCI_CLASS_BRIDGE_RACEWAY 0x0608
1095 #define PCI_CLASS_BRIDGE_PCI_SEMI 0x0609
1096 #define PCI_CLASS_BRIDGE_IB_TO_PCI 0x060a
1097 #define PCI_CLASS_BRIDGE_OTHER 0x0680
1099 #define PCI_BASE_CLASS_COMMUNICATION 0x07
1100 #define PCI_CLASS_COMMUNICATION_SERIAL 0x0700
1101 #define PCI_CLASS_COMMUNICATION_PARALLEL 0x0701
1102 #define PCI_CLASS_COMMUNICATION_MSERIAL 0x0702
1103 #define PCI_CLASS_COMMUNICATION_MODEM 0x0703
1104 #define PCI_CLASS_COMMUNICATION_OTHER 0x0780
1106 #define PCI_BASE_CLASS_SYSTEM 0x08
1107 #define PCI_CLASS_SYSTEM_PIC 0x0800
1108 #define PCI_CLASS_SYSTEM_DMA 0x0801
1109 #define PCI_CLASS_SYSTEM_TIMER 0x0802
1110 #define PCI_CLASS_SYSTEM_RTC 0x0803
1111 #define PCI_CLASS_SYSTEM_PCI_HOTPLUG 0x0804
1112 #define PCI_CLASS_SYSTEM_OTHER 0x0880
1114 #define PCI_BASE_CLASS_INPUT 0x09
1115 #define PCI_CLASS_INPUT_KEYBOARD 0x0900
1116 #define PCI_CLASS_INPUT_PEN 0x0901
1117 #define PCI_CLASS_INPUT_MOUSE 0x0902
1118 #define PCI_CLASS_INPUT_SCANNER 0x0903
1119 #define PCI_CLASS_INPUT_GAMEPORT 0x0904
1120 #define PCI_CLASS_INPUT_OTHER 0x0980
1122 #define PCI_BASE_CLASS_DOCKING 0x0a
1123 #define PCI_CLASS_DOCKING_GENERIC 0x0a00
1124 #define PCI_CLASS_DOCKING_OTHER 0x0a80
1126 #define PCI_BASE_CLASS_PROCESSOR 0x0b
1127 #define PCI_CLASS_PROCESSOR_386 0x0b00
1128 #define PCI_CLASS_PROCESSOR_486 0x0b01
1129 #define PCI_CLASS_PROCESSOR_PENTIUM 0x0b02
1130 #define PCI_CLASS_PROCESSOR_ALPHA 0x0b10
1131 #define PCI_CLASS_PROCESSOR_POWERPC 0x0b20
1132 #define PCI_CLASS_PROCESSOR_MIPS 0x0b30
1133 #define PCI_CLASS_PROCESSOR_CO 0x0b40
1135 #define PCI_BASE_CLASS_SERIAL 0x0c
1136 #define PCI_CLASS_SERIAL_FIREWIRE 0x0c00
1137 #define PCI_CLASS_SERIAL_ACCESS 0x0c01
1138 #define PCI_CLASS_SERIAL_SSA 0x0c02
1139 #define PCI_CLASS_SERIAL_USB 0x0c03
1140 #define PCI_CLASS_SERIAL_FIBER 0x0c04
1141 #define PCI_CLASS_SERIAL_SMBUS 0x0c05
1142 #define PCI_CLASS_SERIAL_INFINIBAND 0x0c06
1144 #define PCI_BASE_CLASS_WIRELESS 0x0d
1145 #define PCI_CLASS_WIRELESS_IRDA 0x0d00
1146 #define PCI_CLASS_WIRELESS_CONSUMER_IR 0x0d01
1147 #define PCI_CLASS_WIRELESS_RF 0x0d10
1148 #define PCI_CLASS_WIRELESS_OTHER 0x0d80
1150 #define PCI_BASE_CLASS_INTELLIGENT 0x0e
1151 #define PCI_CLASS_INTELLIGENT_I2O 0x0e00
1153 #define PCI_BASE_CLASS_SATELLITE 0x0f
1154 #define PCI_CLASS_SATELLITE_TV 0x0f00
1155 #define PCI_CLASS_SATELLITE_AUDIO 0x0f01
1156 #define PCI_CLASS_SATELLITE_VOICE 0x0f03
1157 #define PCI_CLASS_SATELLITE_DATA 0x0f04
1159 #define PCI_BASE_CLASS_CRYPT 0x10
1160 #define PCI_CLASS_CRYPT_NETWORK 0x1000
1161 #define PCI_CLASS_CRYPT_ENTERTAINMENT 0x1010
1162 #define PCI_CLASS_CRYPT_OTHER 0x1080
1164 #define PCI_BASE_CLASS_SIGNAL 0x11
1165 #define PCI_CLASS_SIGNAL_DPIO 0x1100
1166 #define PCI_CLASS_SIGNAL_PERF_CTR 0x1101
1167 #define PCI_CLASS_SIGNAL_SYNCHRONIZER 0x1110
1168 #define PCI_CLASS_SIGNAL_OTHER 0x1180
1170 #define PCI_CLASS_OTHERS 0xff
1172 /* Several ID's we need in the library */
1174 #define PCI_VENDOR_ID_INTEL 0x8086
1175 #define PCI_VENDOR_ID_COMPAQ 0x0e11
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