xref: /pciutils/lib/header.h (revision ec4cd47b)
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.
7  */
8 
9 /*
10  * Under PCI, each device has 256 bytes of configuration address space,
11  * of which the first 64 bytes are standardized as follows:
12  */
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 */
27 
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 */
44 
45 #define PCI_CLASS_REVISION	0x08	/* High 24 bits are class, low 8
46 					   revision */
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 */
50 
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
57 
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 */
62 
63 /*
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
67  * 1 bits are decoded.
68  */
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 */
86 
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)
94 
95 #define PCI_CAPABILITY_LIST	0x34	/* Offset of first capability list entry */
96 
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 */
102 
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_VGA_16BIT 0x10	/* VGA 16-bit decode */
139 #define  PCI_BRIDGE_CTL_MASTER_ABORT 0x20  /* Report master aborts */
140 #define  PCI_BRIDGE_CTL_BUS_RESET 0x40	/* Secondary bus reset */
141 #define  PCI_BRIDGE_CTL_FAST_BACK 0x80	/* Fast Back2Back enabled on secondary interface */
142 #define  PCI_BRIDGE_CTL_PRI_DISCARD_TIMER 0x100		/* PCI-X? */
143 #define  PCI_BRIDGE_CTL_SEC_DISCARD_TIMER 0x200		/* PCI-X? */
144 #define  PCI_BRIDGE_CTL_DISCARD_TIMER_STATUS 0x400	/* PCI-X? */
145 #define  PCI_BRIDGE_CTL_DISCARD_TIMER_SERR_EN 0x800	/* PCI-X? */
146 
147 /* Header type 2 (CardBus bridges) */
148 #define PCI_CB_CAPABILITY_LIST	0x14
149 /* 0x15 reserved */
150 #define PCI_CB_SEC_STATUS	0x16	/* Secondary status */
151 #define PCI_CB_PRIMARY_BUS	0x18	/* PCI bus number */
152 #define PCI_CB_CARD_BUS		0x19	/* CardBus bus number */
153 #define PCI_CB_SUBORDINATE_BUS	0x1a	/* Subordinate bus number */
154 #define PCI_CB_LATENCY_TIMER	0x1b	/* CardBus latency timer */
155 #define PCI_CB_MEMORY_BASE_0	0x1c
156 #define PCI_CB_MEMORY_LIMIT_0	0x20
157 #define PCI_CB_MEMORY_BASE_1	0x24
158 #define PCI_CB_MEMORY_LIMIT_1	0x28
159 #define PCI_CB_IO_BASE_0	0x2c
160 #define PCI_CB_IO_BASE_0_HI	0x2e
161 #define PCI_CB_IO_LIMIT_0	0x30
162 #define PCI_CB_IO_LIMIT_0_HI	0x32
163 #define PCI_CB_IO_BASE_1	0x34
164 #define PCI_CB_IO_BASE_1_HI	0x36
165 #define PCI_CB_IO_LIMIT_1	0x38
166 #define PCI_CB_IO_LIMIT_1_HI	0x3a
167 #define  PCI_CB_IO_RANGE_MASK	~0x03
168 /* 0x3c-0x3d are same as for htype 0 */
169 #define PCI_CB_BRIDGE_CONTROL	0x3e
170 #define  PCI_CB_BRIDGE_CTL_PARITY	0x01	/* Similar to standard bridge control register */
171 #define  PCI_CB_BRIDGE_CTL_SERR		0x02
172 #define  PCI_CB_BRIDGE_CTL_ISA		0x04
173 #define  PCI_CB_BRIDGE_CTL_VGA		0x08
174 #define  PCI_CB_BRIDGE_CTL_MASTER_ABORT	0x20
175 #define  PCI_CB_BRIDGE_CTL_CB_RESET	0x40	/* CardBus reset */
176 #define  PCI_CB_BRIDGE_CTL_16BIT_INT	0x80	/* Enable interrupt for 16-bit cards */
177 #define  PCI_CB_BRIDGE_CTL_PREFETCH_MEM0 0x100	/* Prefetch enable for both memory regions */
178 #define  PCI_CB_BRIDGE_CTL_PREFETCH_MEM1 0x200
179 #define  PCI_CB_BRIDGE_CTL_POST_WRITES	0x400
180 #define PCI_CB_SUBSYSTEM_VENDOR_ID 0x40
181 #define PCI_CB_SUBSYSTEM_ID	0x42
182 #define PCI_CB_LEGACY_MODE_BASE	0x44	/* 16-bit PC Card legacy mode base address (ExCa) */
183 /* 0x48-0x7f reserved */
184 
185 /* Capability lists */
186 
187 #define PCI_CAP_LIST_ID		0	/* Capability ID */
188 #define  PCI_CAP_ID_NULL	0x00	/* Null Capability */
189 #define  PCI_CAP_ID_PM		0x01	/* Power Management */
190 #define  PCI_CAP_ID_AGP		0x02	/* Accelerated Graphics Port */
191 #define  PCI_CAP_ID_VPD		0x03	/* Vital Product Data */
192 #define  PCI_CAP_ID_SLOTID	0x04	/* Slot Identification */
193 #define  PCI_CAP_ID_MSI		0x05	/* Message Signaled Interrupts */
194 #define  PCI_CAP_ID_CHSWP	0x06	/* CompactPCI HotSwap */
195 #define  PCI_CAP_ID_PCIX        0x07    /* PCI-X */
196 #define  PCI_CAP_ID_HT          0x08    /* HyperTransport */
197 #define  PCI_CAP_ID_VNDR	0x09	/* Vendor specific */
198 #define  PCI_CAP_ID_DBG		0x0A	/* Debug port */
199 #define  PCI_CAP_ID_CCRC	0x0B	/* CompactPCI Central Resource Control */
200 #define  PCI_CAP_ID_HOTPLUG	0x0C	/* PCI hot-plug */
201 #define  PCI_CAP_ID_SSVID	0x0D	/* Bridge subsystem vendor/device ID */
202 #define  PCI_CAP_ID_AGP3	0x0E	/* AGP 8x */
203 #define  PCI_CAP_ID_SECURE	0x0F	/* Secure device (?) */
204 #define  PCI_CAP_ID_EXP		0x10	/* PCI Express */
205 #define  PCI_CAP_ID_MSIX	0x11	/* MSI-X */
206 #define  PCI_CAP_ID_SATA	0x12	/* Serial-ATA HBA */
207 #define  PCI_CAP_ID_AF		0x13	/* Advanced features of PCI devices integrated in PCIe root cplx */
208 #define  PCI_CAP_ID_EA		0x14	/* Enhanced Allocation */
209 #define PCI_CAP_LIST_NEXT	1	/* Next capability in the list */
210 #define PCI_CAP_FLAGS		2	/* Capability defined flags (16 bits) */
211 #define PCI_CAP_SIZEOF		4
212 
213 /* Capabilities residing in the PCI Express extended configuration space */
214 
215 #define PCI_EXT_CAP_ID_NULL	0x00	/* Null Capability */
216 #define PCI_EXT_CAP_ID_AER	0x01	/* Advanced Error Reporting */
217 #define PCI_EXT_CAP_ID_VC	0x02	/* Virtual Channel */
218 #define PCI_EXT_CAP_ID_DSN	0x03	/* Device Serial Number */
219 #define PCI_EXT_CAP_ID_PB	0x04	/* Power Budgeting */
220 #define PCI_EXT_CAP_ID_RCLINK	0x05	/* Root Complex Link Declaration */
221 #define PCI_EXT_CAP_ID_RCILINK	0x06	/* Root Complex Internal Link Declaration */
222 #define PCI_EXT_CAP_ID_RCEC	0x07	/* Root Complex Event Collector */
223 #define PCI_EXT_CAP_ID_MFVC	0x08	/* Multi-Function Virtual Channel */
224 #define PCI_EXT_CAP_ID_VC2	0x09	/* Virtual Channel (2nd ID) */
225 #define PCI_EXT_CAP_ID_RCRB	0x0a	/* Root Complex Register Block */
226 #define PCI_EXT_CAP_ID_VNDR	0x0b	/* Vendor specific */
227 #define PCI_EXT_CAP_ID_ACS	0x0d	/* Access Controls */
228 #define PCI_EXT_CAP_ID_ARI	0x0e	/* Alternative Routing-ID Interpretation */
229 #define PCI_EXT_CAP_ID_ATS	0x0f	/* Address Translation Service */
230 #define PCI_EXT_CAP_ID_SRIOV	0x10	/* Single Root I/O Virtualization */
231 #define PCI_EXT_CAP_ID_MRIOV	0x11	/* Multi-Root I/O Virtualization */
232 #define PCI_EXT_CAP_ID_MCAST	0x12	/* Multicast */
233 #define PCI_EXT_CAP_ID_PRI	0x13	/* Page Request Interface */
234 #define PCI_EXT_CAP_ID_REBAR	0x15	/* Resizable BAR */
235 #define PCI_EXT_CAP_ID_DPA	0x16	/* Dynamic Power Allocation */
236 #define PCI_EXT_CAP_ID_TPH	0x17	/* Transaction processing hints */
237 #define PCI_EXT_CAP_ID_LTR	0x18	/* Latency Tolerance Reporting */
238 #define PCI_EXT_CAP_ID_SECPCI	0x19	/* Secondary PCI Express */
239 #define PCI_EXT_CAP_ID_PMUX	0x1a	/* Protocol Multiplexing */
240 #define PCI_EXT_CAP_ID_PASID	0x1b	/* Process Address Space ID */
241 #define PCI_EXT_CAP_ID_LNR	0x1c	/* LN Requester */
242 #define PCI_EXT_CAP_ID_DPC	0x1d	/* Downstream Port Containment */
243 #define PCI_EXT_CAP_ID_L1PM	0x1e	/* L1 PM Substates */
244 #define PCI_EXT_CAP_ID_PTM	0x1f	/* Precision Time Measurement */
245 #define PCI_EXT_CAP_ID_M_PCIE	0x20	/* PCIe over M-PHY */
246 #define PCI_EXT_CAP_ID_FRS	0x21	/* FRS Queuing */
247 #define PCI_EXT_CAP_ID_RTR	0x22	/* Readiness Time Reporting */
248 #define PCI_EXT_CAP_ID_DVSEC	0x23	/* Designated Vendor-Specific */
249 #define PCI_EXT_CAP_ID_VF_REBAR	0x24	/* VF Resizable BAR */
250 #define PCI_EXT_CAP_ID_DLNK	0x25	/* Data Link Feature */
251 #define PCI_EXT_CAP_ID_16GT	0x26	/* Physical Layer 16.0 GT/s */
252 #define PCI_EXT_CAP_ID_LMR	0x27	/* Lane Margining at Receiver */
253 #define PCI_EXT_CAP_ID_HIER_ID	0x28	/* Hierarchy ID */
254 #define PCI_EXT_CAP_ID_NPEM	0x29	/* Native PCIe Enclosure Management */
255 #define PCI_EXT_CAP_ID_DOE	0x2e	/* Data Object Exchange */
256 
257 /*** Definitions of capabilities ***/
258 
259 /* Power Management Registers */
260 
261 #define  PCI_PM_CAP_VER_MASK	0x0007	/* Version (2=PM1.1) */
262 #define  PCI_PM_CAP_PME_CLOCK	0x0008	/* Clock required for PME generation */
263 #define  PCI_PM_CAP_DSI		0x0020	/* Device specific initialization required */
264 #define  PCI_PM_CAP_AUX_C_MASK	0x01c0	/* Maximum aux current required in D3cold */
265 #define  PCI_PM_CAP_D1		0x0200	/* D1 power state support */
266 #define  PCI_PM_CAP_D2		0x0400	/* D2 power state support */
267 #define  PCI_PM_CAP_PME_D0	0x0800	/* PME can be asserted from D0 */
268 #define  PCI_PM_CAP_PME_D1	0x1000	/* PME can be asserted from D1 */
269 #define  PCI_PM_CAP_PME_D2	0x2000	/* PME can be asserted from D2 */
270 #define  PCI_PM_CAP_PME_D3_HOT	0x4000	/* PME can be asserted from D3hot */
271 #define  PCI_PM_CAP_PME_D3_COLD	0x8000	/* PME can be asserted from D3cold */
272 #define PCI_PM_CTRL		4	/* PM control and status register */
273 #define  PCI_PM_CTRL_STATE_MASK	0x0003	/* Current power state (D0 to D3) */
274 #define  PCI_PM_CTRL_NO_SOFT_RST	0x0008	/* No Soft Reset from D3hot to D0 */
275 #define  PCI_PM_CTRL_PME_ENABLE	0x0100	/* PME pin enable */
276 #define  PCI_PM_CTRL_DATA_SEL_MASK	0x1e00	/* PM table data index */
277 #define  PCI_PM_CTRL_DATA_SCALE_MASK	0x6000	/* PM table data scaling factor */
278 #define  PCI_PM_CTRL_PME_STATUS	0x8000	/* PME pin status */
279 #define PCI_PM_PPB_EXTENSIONS	6	/* PPB support extensions */
280 #define  PCI_PM_PPB_B2_B3	0x40	/* If bridge enters D3hot, bus enters: 0=B3, 1=B2 */
281 #define  PCI_PM_BPCC_ENABLE	0x80	/* Secondary bus is power managed */
282 #define PCI_PM_DATA_REGISTER	7	/* PM table contents read here */
283 #define PCI_PM_SIZEOF		8
284 
285 /* AGP registers */
286 
287 #define PCI_AGP_VERSION		2	/* BCD version number */
288 #define PCI_AGP_RFU		3	/* Rest of capability flags */
289 #define PCI_AGP_STATUS		4	/* Status register */
290 #define  PCI_AGP_STATUS_RQ_MASK	0xff000000	/* Maximum number of requests - 1 */
291 #define  PCI_AGP_STATUS_ISOCH	0x10000	/* Isochronous transactions supported */
292 #define  PCI_AGP_STATUS_ARQSZ_MASK	0xe000	/* log2(optimum async req size in bytes) - 4 */
293 #define  PCI_AGP_STATUS_CAL_MASK	0x1c00	/* Calibration cycle timing */
294 #define  PCI_AGP_STATUS_SBA	0x0200	/* Sideband addressing supported */
295 #define  PCI_AGP_STATUS_ITA_COH	0x0100	/* In-aperture accesses always coherent */
296 #define  PCI_AGP_STATUS_GART64	0x0080	/* 64-bit GART entries supported */
297 #define  PCI_AGP_STATUS_HTRANS	0x0040	/* If 0, core logic can xlate host CPU accesses thru aperture */
298 #define  PCI_AGP_STATUS_64BIT	0x0020	/* 64-bit addressing cycles supported */
299 #define  PCI_AGP_STATUS_FW	0x0010	/* Fast write transfers supported */
300 #define  PCI_AGP_STATUS_AGP3	0x0008	/* AGP3 mode supported */
301 #define  PCI_AGP_STATUS_RATE4	0x0004	/* 4x transfer rate supported (RFU in AGP3 mode) */
302 #define  PCI_AGP_STATUS_RATE2	0x0002	/* 2x transfer rate supported (8x in AGP3 mode) */
303 #define  PCI_AGP_STATUS_RATE1	0x0001	/* 1x transfer rate supported (4x in AGP3 mode) */
304 #define PCI_AGP_COMMAND		8	/* Control register */
305 #define  PCI_AGP_COMMAND_RQ_MASK 0xff000000  /* Master: Maximum number of requests */
306 #define  PCI_AGP_COMMAND_ARQSZ_MASK	0xe000	/* log2(optimum async req size in bytes) - 4 */
307 #define  PCI_AGP_COMMAND_CAL_MASK	0x1c00	/* Calibration cycle timing */
308 #define  PCI_AGP_COMMAND_SBA	0x0200	/* Sideband addressing enabled */
309 #define  PCI_AGP_COMMAND_AGP	0x0100	/* Allow processing of AGP transactions */
310 #define  PCI_AGP_COMMAND_GART64	0x0080	/* 64-bit GART entries enabled */
311 #define  PCI_AGP_COMMAND_64BIT	0x0020 	/* Allow generation of 64-bit addr cycles */
312 #define  PCI_AGP_COMMAND_FW	0x0010 	/* Enable FW transfers */
313 #define  PCI_AGP_COMMAND_RATE4	0x0004	/* Use 4x rate (RFU in AGP3 mode) */
314 #define  PCI_AGP_COMMAND_RATE2	0x0002	/* Use 2x rate (8x in AGP3 mode) */
315 #define  PCI_AGP_COMMAND_RATE1	0x0001	/* Use 1x rate (4x in AGP3 mode) */
316 #define PCI_AGP_SIZEOF		12
317 
318 /* Vital Product Data */
319 
320 #define PCI_VPD_ADDR		2	/* Address to access (15 bits!) */
321 #define  PCI_VPD_ADDR_MASK	0x7fff	/* Address mask */
322 #define  PCI_VPD_ADDR_F		0x8000	/* Write 0, 1 indicates completion */
323 #define PCI_VPD_DATA		4	/* 32-bits of data returned here */
324 
325 /* Slot Identification */
326 
327 #define PCI_SID_ESR		2	/* Expansion Slot Register */
328 #define  PCI_SID_ESR_NSLOTS	0x1f	/* Number of expansion slots available */
329 #define  PCI_SID_ESR_FIC	0x20	/* First In Chassis Flag */
330 #define PCI_SID_CHASSIS_NR	3	/* Chassis Number */
331 
332 /* Message Signaled Interrupts registers */
333 
334 #define PCI_MSI_FLAGS		2	/* Various flags */
335 #define  PCI_MSI_FLAGS_MASK_BIT	0x100	/* interrupt masking & reporting supported */
336 #define  PCI_MSI_FLAGS_64BIT	0x080	/* 64-bit addresses allowed */
337 #define  PCI_MSI_FLAGS_QSIZE	0x070	/* Message queue size configured */
338 #define  PCI_MSI_FLAGS_QMASK	0x00e	/* Maximum queue size available */
339 #define  PCI_MSI_FLAGS_ENABLE	0x001	/* MSI feature enabled */
340 #define PCI_MSI_RFU		3	/* Rest of capability flags */
341 #define PCI_MSI_ADDRESS_LO	4	/* Lower 32 bits */
342 #define PCI_MSI_ADDRESS_HI	8	/* Upper 32 bits (if PCI_MSI_FLAGS_64BIT set) */
343 #define PCI_MSI_DATA_32		8	/* 16 bits of data for 32-bit devices */
344 #define PCI_MSI_DATA_64		12	/* 16 bits of data for 64-bit devices */
345 #define PCI_MSI_MASK_BIT_32	12	/* per-vector masking for 32-bit devices */
346 #define PCI_MSI_MASK_BIT_64	16	/* per-vector masking for 64-bit devices */
347 #define PCI_MSI_PENDING_32	16	/* per-vector interrupt pending for 32-bit devices */
348 #define PCI_MSI_PENDING_64	20	/* per-vector interrupt pending for 64-bit devices */
349 
350 /* PCI-X */
351 #define PCI_PCIX_COMMAND                                                2 /* Command register offset */
352 #define PCI_PCIX_COMMAND_DPERE                                     0x0001 /* Data Parity Error Recover Enable */
353 #define PCI_PCIX_COMMAND_ERO                                       0x0002 /* Enable Relaxed Ordering */
354 #define PCI_PCIX_COMMAND_MAX_MEM_READ_BYTE_COUNT                   0x000c /* Maximum Memory Read Byte Count */
355 #define PCI_PCIX_COMMAND_MAX_OUTSTANDING_SPLIT_TRANS               0x0070
356 #define PCI_PCIX_COMMAND_RESERVED                                   0xf80
357 #define PCI_PCIX_STATUS                                                 4 /* Status register offset */
358 #define PCI_PCIX_STATUS_FUNCTION                               0x00000007
359 #define PCI_PCIX_STATUS_DEVICE                                 0x000000f8
360 #define PCI_PCIX_STATUS_BUS                                    0x0000ff00
361 #define PCI_PCIX_STATUS_64BIT                                  0x00010000
362 #define PCI_PCIX_STATUS_133MHZ                                 0x00020000
363 #define PCI_PCIX_STATUS_SC_DISCARDED                           0x00040000 /* Split Completion Discarded */
364 #define PCI_PCIX_STATUS_UNEXPECTED_SC                          0x00080000 /* Unexpected Split Completion */
365 #define PCI_PCIX_STATUS_DEVICE_COMPLEXITY                      0x00100000 /* 0 = simple device, 1 = bridge device */
366 #define PCI_PCIX_STATUS_DESIGNED_MAX_MEM_READ_BYTE_COUNT       0x00600000 /* 0 = 512 bytes, 1 = 1024, 2 = 2048, 3 = 4096 */
367 #define PCI_PCIX_STATUS_DESIGNED_MAX_OUTSTANDING_SPLIT_TRANS   0x03800000
368 #define PCI_PCIX_STATUS_DESIGNED_MAX_CUMULATIVE_READ_SIZE      0x1c000000
369 #define PCI_PCIX_STATUS_RCVD_SC_ERR_MESS                       0x20000000 /* Received Split Completion Error Message */
370 #define PCI_PCIX_STATUS_266MHZ				       0x40000000 /* 266 MHz capable */
371 #define PCI_PCIX_STATUS_533MHZ				       0x80000000 /* 533 MHz capable */
372 #define PCI_PCIX_SIZEOF		4
373 
374 /* PCI-X Bridges */
375 #define PCI_PCIX_BRIDGE_SEC_STATUS                                      2 /* Secondary bus status register offset */
376 #define PCI_PCIX_BRIDGE_SEC_STATUS_64BIT                           0x0001
377 #define PCI_PCIX_BRIDGE_SEC_STATUS_133MHZ                          0x0002
378 #define PCI_PCIX_BRIDGE_SEC_STATUS_SC_DISCARDED                    0x0004 /* Split Completion Discarded on secondary bus */
379 #define PCI_PCIX_BRIDGE_SEC_STATUS_UNEXPECTED_SC                   0x0008 /* Unexpected Split Completion on secondary bus */
380 #define PCI_PCIX_BRIDGE_SEC_STATUS_SC_OVERRUN                      0x0010 /* Split Completion Overrun on secondary bus */
381 #define PCI_PCIX_BRIDGE_SEC_STATUS_SPLIT_REQUEST_DELAYED           0x0020
382 #define PCI_PCIX_BRIDGE_SEC_STATUS_CLOCK_FREQ                      0x01c0
383 #define PCI_PCIX_BRIDGE_SEC_STATUS_RESERVED                        0xfe00
384 #define PCI_PCIX_BRIDGE_STATUS                                          4 /* Primary bus status register offset */
385 #define PCI_PCIX_BRIDGE_STATUS_FUNCTION                        0x00000007
386 #define PCI_PCIX_BRIDGE_STATUS_DEVICE                          0x000000f8
387 #define PCI_PCIX_BRIDGE_STATUS_BUS                             0x0000ff00
388 #define PCI_PCIX_BRIDGE_STATUS_64BIT                           0x00010000
389 #define PCI_PCIX_BRIDGE_STATUS_133MHZ                          0x00020000
390 #define PCI_PCIX_BRIDGE_STATUS_SC_DISCARDED                    0x00040000 /* Split Completion Discarded */
391 #define PCI_PCIX_BRIDGE_STATUS_UNEXPECTED_SC                   0x00080000 /* Unexpected Split Completion */
392 #define PCI_PCIX_BRIDGE_STATUS_SC_OVERRUN                      0x00100000 /* Split Completion Overrun */
393 #define PCI_PCIX_BRIDGE_STATUS_SPLIT_REQUEST_DELAYED           0x00200000
394 #define PCI_PCIX_BRIDGE_STATUS_RESERVED                        0xffc00000
395 #define PCI_PCIX_BRIDGE_UPSTREAM_SPLIT_TRANS_CTRL                       8 /* Upstream Split Transaction Register offset */
396 #define PCI_PCIX_BRIDGE_DOWNSTREAM_SPLIT_TRANS_CTRL                    12 /* Downstream Split Transaction Register offset */
397 #define PCI_PCIX_BRIDGE_STR_CAPACITY                           0x0000ffff
398 #define PCI_PCIX_BRIDGE_STR_COMMITMENT_LIMIT                   0xffff0000
399 #define PCI_PCIX_BRIDGE_SIZEOF 12
400 
401 /* HyperTransport (as of spec rev. 2.00) */
402 #define PCI_HT_CMD		2	/* Command Register */
403 #define  PCI_HT_CMD_TYP_HI	0xe000	/* Capability Type high part */
404 #define  PCI_HT_CMD_TYP_HI_PRI	0x0000	/* Slave or Primary Interface */
405 #define  PCI_HT_CMD_TYP_HI_SEC	0x2000	/* Host or Secondary Interface */
406 #define  PCI_HT_CMD_TYP		0xf800	/* Capability Type */
407 #define  PCI_HT_CMD_TYP_SW	0x4000	/* Switch */
408 #define  PCI_HT_CMD_TYP_IDC	0x8000	/* Interrupt Discovery and Configuration */
409 #define  PCI_HT_CMD_TYP_RID	0x8800	/* Revision ID */
410 #define  PCI_HT_CMD_TYP_UIDC	0x9000	/* UnitID Clumping */
411 #define  PCI_HT_CMD_TYP_ECSA	0x9800	/* Extended Configuration Space Access */
412 #define  PCI_HT_CMD_TYP_AM	0xa000	/* Address Mapping */
413 #define  PCI_HT_CMD_TYP_MSIM	0xa800	/* MSI Mapping */
414 #define  PCI_HT_CMD_TYP_DR	0xb000	/* DirectRoute */
415 #define  PCI_HT_CMD_TYP_VCS	0xb800	/* VCSet */
416 #define  PCI_HT_CMD_TYP_RM	0xc000	/* Retry Mode */
417 #define  PCI_HT_CMD_TYP_X86	0xc800	/* X86 (reserved) */
418 
419 					/* Link Control Register */
420 #define  PCI_HT_LCTR_CFLE	0x0002	/* CRC Flood Enable */
421 #define  PCI_HT_LCTR_CST	0x0004	/* CRC Start Test */
422 #define  PCI_HT_LCTR_CFE	0x0008	/* CRC Force Error */
423 #define  PCI_HT_LCTR_LKFAIL	0x0010	/* Link Failure */
424 #define  PCI_HT_LCTR_INIT	0x0020	/* Initialization Complete */
425 #define  PCI_HT_LCTR_EOC	0x0040	/* End of Chain */
426 #define  PCI_HT_LCTR_TXO	0x0080	/* Transmitter Off */
427 #define  PCI_HT_LCTR_CRCERR	0x0f00	/* CRC Error */
428 #define  PCI_HT_LCTR_ISOCEN	0x1000	/* Isochronous Flow Control Enable */
429 #define  PCI_HT_LCTR_LSEN	0x2000	/* LDTSTOP# Tristate Enable */
430 #define  PCI_HT_LCTR_EXTCTL	0x4000	/* Extended CTL Time */
431 #define  PCI_HT_LCTR_64B	0x8000	/* 64-bit Addressing Enable */
432 
433 					/* Link Configuration Register */
434 #define  PCI_HT_LCNF_MLWI	0x0007	/* Max Link Width In */
435 #define  PCI_HT_LCNF_LW_8B	0x0	/* Link Width 8 bits */
436 #define  PCI_HT_LCNF_LW_16B	0x1	/* Link Width 16 bits */
437 #define  PCI_HT_LCNF_LW_32B	0x3	/* Link Width 32 bits */
438 #define  PCI_HT_LCNF_LW_2B	0x4	/* Link Width 2 bits */
439 #define  PCI_HT_LCNF_LW_4B	0x5	/* Link Width 4 bits */
440 #define  PCI_HT_LCNF_LW_NC	0x7	/* Link physically not connected */
441 #define  PCI_HT_LCNF_DFI	0x0008	/* Doubleword Flow Control In */
442 #define  PCI_HT_LCNF_MLWO	0x0070	/* Max Link Width Out */
443 #define  PCI_HT_LCNF_DFO	0x0080	/* Doubleword Flow Control Out */
444 #define  PCI_HT_LCNF_LWI	0x0700	/* Link Width In */
445 #define  PCI_HT_LCNF_DFIE	0x0800	/* Doubleword Flow Control In Enable */
446 #define  PCI_HT_LCNF_LWO	0x7000	/* Link Width Out */
447 #define  PCI_HT_LCNF_DFOE	0x8000	/* Doubleword Flow Control Out Enable */
448 
449 					/* Revision ID Register */
450 #define  PCI_HT_RID_MIN		0x1f	/* Minor Revision */
451 #define  PCI_HT_RID_MAJ		0xe0	/* Major Revision */
452 
453 					/* Link Frequency/Error Register */
454 #define  PCI_HT_LFRER_FREQ	0x0f	/* Transmitter Clock Frequency */
455 #define  PCI_HT_LFRER_200	0x00	/* 200MHz */
456 #define  PCI_HT_LFRER_300	0x01	/* 300MHz */
457 #define  PCI_HT_LFRER_400	0x02	/* 400MHz */
458 #define  PCI_HT_LFRER_500	0x03	/* 500MHz */
459 #define  PCI_HT_LFRER_600	0x04	/* 600MHz */
460 #define  PCI_HT_LFRER_800	0x05	/* 800MHz */
461 #define  PCI_HT_LFRER_1000	0x06	/* 1.0GHz */
462 #define  PCI_HT_LFRER_1200	0x07	/* 1.2GHz */
463 #define  PCI_HT_LFRER_1400	0x08	/* 1.4GHz */
464 #define  PCI_HT_LFRER_1600	0x09	/* 1.6GHz */
465 #define  PCI_HT_LFRER_VEND	0x0f	/* Vendor-Specific */
466 #define  PCI_HT_LFRER_ERR	0xf0	/* Link Error */
467 #define  PCI_HT_LFRER_PROT	0x10	/* Protocol Error */
468 #define  PCI_HT_LFRER_OV	0x20	/* Overflow Error */
469 #define  PCI_HT_LFRER_EOC	0x40	/* End of Chain Error */
470 #define  PCI_HT_LFRER_CTLT	0x80	/* CTL Timeout */
471 
472 					/* Link Frequency Capability Register */
473 #define  PCI_HT_LFCAP_200	0x0001	/* 200MHz */
474 #define  PCI_HT_LFCAP_300	0x0002	/* 300MHz */
475 #define  PCI_HT_LFCAP_400	0x0004	/* 400MHz */
476 #define  PCI_HT_LFCAP_500	0x0008	/* 500MHz */
477 #define  PCI_HT_LFCAP_600	0x0010	/* 600MHz */
478 #define  PCI_HT_LFCAP_800	0x0020	/* 800MHz */
479 #define  PCI_HT_LFCAP_1000	0x0040	/* 1.0GHz */
480 #define  PCI_HT_LFCAP_1200	0x0080	/* 1.2GHz */
481 #define  PCI_HT_LFCAP_1400	0x0100	/* 1.4GHz */
482 #define  PCI_HT_LFCAP_1600	0x0200	/* 1.6GHz */
483 #define  PCI_HT_LFCAP_VEND	0x8000	/* Vendor-Specific */
484 
485 					/* Feature Register */
486 #define  PCI_HT_FTR_ISOCFC	0x0001	/* Isochronous Flow Control Mode */
487 #define  PCI_HT_FTR_LDTSTOP	0x0002	/* LDTSTOP# Supported */
488 #define  PCI_HT_FTR_CRCTM	0x0004	/* CRC Test Mode */
489 #define  PCI_HT_FTR_ECTLT	0x0008	/* Extended CTL Time Required */
490 #define  PCI_HT_FTR_64BA	0x0010	/* 64-bit Addressing */
491 #define  PCI_HT_FTR_UIDRD	0x0020	/* UnitID Reorder Disable */
492 
493 					/* Error Handling Register */
494 #define  PCI_HT_EH_PFLE		0x0001	/* Protocol Error Flood Enable */
495 #define  PCI_HT_EH_OFLE		0x0002	/* Overflow Error Flood Enable */
496 #define  PCI_HT_EH_PFE		0x0004	/* Protocol Error Fatal Enable */
497 #define  PCI_HT_EH_OFE		0x0008	/* Overflow Error Fatal Enable */
498 #define  PCI_HT_EH_EOCFE	0x0010	/* End of Chain Error Fatal Enable */
499 #define  PCI_HT_EH_RFE		0x0020	/* Response Error Fatal Enable */
500 #define  PCI_HT_EH_CRCFE	0x0040	/* CRC Error Fatal Enable */
501 #define  PCI_HT_EH_SERRFE	0x0080	/* System Error Fatal Enable (B */
502 #define  PCI_HT_EH_CF		0x0100	/* Chain Fail */
503 #define  PCI_HT_EH_RE		0x0200	/* Response Error */
504 #define  PCI_HT_EH_PNFE		0x0400	/* Protocol Error Nonfatal Enable */
505 #define  PCI_HT_EH_ONFE		0x0800	/* Overflow Error Nonfatal Enable */
506 #define  PCI_HT_EH_EOCNFE	0x1000	/* End of Chain Error Nonfatal Enable */
507 #define  PCI_HT_EH_RNFE		0x2000	/* Response Error Nonfatal Enable */
508 #define  PCI_HT_EH_CRCNFE	0x4000	/* CRC Error Nonfatal Enable */
509 #define  PCI_HT_EH_SERRNFE	0x8000	/* System Error Nonfatal Enable */
510 
511 /* HyperTransport: Slave or Primary Interface */
512 #define PCI_HT_PRI_CMD		2	/* Command Register */
513 #define  PCI_HT_PRI_CMD_BUID	0x001f	/* Base UnitID */
514 #define  PCI_HT_PRI_CMD_UC	0x03e0	/* Unit Count */
515 #define  PCI_HT_PRI_CMD_MH	0x0400	/* Master Host */
516 #define  PCI_HT_PRI_CMD_DD	0x0800	/* Default Direction */
517 #define  PCI_HT_PRI_CMD_DUL	0x1000	/* Drop on Uninitialized Link */
518 
519 #define PCI_HT_PRI_LCTR0	4	/* Link Control 0 Register */
520 #define PCI_HT_PRI_LCNF0	6	/* Link Config 0 Register */
521 #define PCI_HT_PRI_LCTR1	8	/* Link Control 1 Register */
522 #define PCI_HT_PRI_LCNF1	10	/* Link Config 1 Register */
523 #define PCI_HT_PRI_RID		12	/* Revision ID Register */
524 #define PCI_HT_PRI_LFRER0	13	/* Link Frequency/Error 0 Register */
525 #define PCI_HT_PRI_LFCAP0	14	/* Link Frequency Capability 0 Register */
526 #define PCI_HT_PRI_FTR		16	/* Feature Register */
527 #define PCI_HT_PRI_LFRER1	17	/* Link Frequency/Error 1 Register */
528 #define PCI_HT_PRI_LFCAP1	18	/* Link Frequency Capability 1 Register */
529 #define PCI_HT_PRI_ES		20	/* Enumeration Scratchpad Register */
530 #define PCI_HT_PRI_EH		22	/* Error Handling Register */
531 #define PCI_HT_PRI_MBU		24	/* Memory Base Upper Register */
532 #define PCI_HT_PRI_MLU		25	/* Memory Limit Upper Register */
533 #define PCI_HT_PRI_BN		26	/* Bus Number Register */
534 #define PCI_HT_PRI_SIZEOF	28
535 
536 /* HyperTransport: Host or Secondary Interface */
537 #define PCI_HT_SEC_CMD		2	/* Command Register */
538 #define  PCI_HT_SEC_CMD_WR	0x0001	/* Warm Reset */
539 #define  PCI_HT_SEC_CMD_DE	0x0002	/* Double-Ended */
540 #define  PCI_HT_SEC_CMD_DN	0x007c	/* Device Number */
541 #define  PCI_HT_SEC_CMD_CS	0x0080	/* Chain Side */
542 #define  PCI_HT_SEC_CMD_HH	0x0100	/* Host Hide */
543 #define  PCI_HT_SEC_CMD_AS	0x0400	/* Act as Slave */
544 #define  PCI_HT_SEC_CMD_HIECE	0x0800	/* Host Inbound End of Chain Error */
545 #define  PCI_HT_SEC_CMD_DUL	0x1000	/* Drop on Uninitialized Link */
546 
547 #define PCI_HT_SEC_LCTR		4	/* Link Control Register */
548 #define PCI_HT_SEC_LCNF		6	/* Link Config Register */
549 #define PCI_HT_SEC_RID		8	/* Revision ID Register */
550 #define PCI_HT_SEC_LFRER	9	/* Link Frequency/Error Register */
551 #define PCI_HT_SEC_LFCAP	10	/* Link Frequency Capability Register */
552 #define PCI_HT_SEC_FTR		12	/* Feature Register */
553 #define  PCI_HT_SEC_FTR_EXTRS	0x0100	/* Extended Register Set */
554 #define  PCI_HT_SEC_FTR_UCNFE	0x0200	/* Upstream Configuration Enable */
555 #define PCI_HT_SEC_ES		16	/* Enumeration Scratchpad Register */
556 #define PCI_HT_SEC_EH		18	/* Error Handling Register */
557 #define PCI_HT_SEC_MBU		20	/* Memory Base Upper Register */
558 #define PCI_HT_SEC_MLU		21	/* Memory Limit Upper Register */
559 #define PCI_HT_SEC_SIZEOF	24
560 
561 /* HyperTransport: Switch */
562 #define PCI_HT_SW_CMD		2	/* Switch Command Register */
563 #define  PCI_HT_SW_CMD_VIBERR	0x0080	/* VIB Error */
564 #define  PCI_HT_SW_CMD_VIBFL	0x0100	/* VIB Flood */
565 #define  PCI_HT_SW_CMD_VIBFT	0x0200	/* VIB Fatal */
566 #define  PCI_HT_SW_CMD_VIBNFT	0x0400	/* VIB Nonfatal */
567 #define PCI_HT_SW_PMASK		4	/* Partition Mask Register */
568 #define PCI_HT_SW_SWINF		8	/* Switch Info Register */
569 #define  PCI_HT_SW_SWINF_DP	0x0000001f /* Default Port */
570 #define  PCI_HT_SW_SWINF_EN	0x00000020 /* Enable Decode */
571 #define  PCI_HT_SW_SWINF_CR	0x00000040 /* Cold Reset */
572 #define  PCI_HT_SW_SWINF_PCIDX	0x00000f00 /* Performance Counter Index */
573 #define  PCI_HT_SW_SWINF_BLRIDX	0x0003f000 /* Base/Limit Range Index */
574 #define  PCI_HT_SW_SWINF_SBIDX	0x00002000 /* Secondary Base Range Index */
575 #define  PCI_HT_SW_SWINF_HP	0x00040000 /* Hot Plug */
576 #define  PCI_HT_SW_SWINF_HIDE	0x00080000 /* Hide Port */
577 #define PCI_HT_SW_PCD		12	/* Performance Counter Data Register */
578 #define PCI_HT_SW_BLRD		16	/* Base/Limit Range Data Register */
579 #define PCI_HT_SW_SBD		20	/* Secondary Base Data Register */
580 #define PCI_HT_SW_SIZEOF	24
581 
582 					/* Counter indices */
583 #define  PCI_HT_SW_PC_PCR	0x0	/* Posted Command Receive */
584 #define  PCI_HT_SW_PC_NPCR	0x1	/* Nonposted Command Receive */
585 #define  PCI_HT_SW_PC_RCR	0x2	/* Response Command Receive */
586 #define  PCI_HT_SW_PC_PDWR	0x3	/* Posted DW Receive */
587 #define  PCI_HT_SW_PC_NPDWR	0x4	/* Nonposted DW Receive */
588 #define  PCI_HT_SW_PC_RDWR	0x5	/* Response DW Receive */
589 #define  PCI_HT_SW_PC_PCT	0x6	/* Posted Command Transmit */
590 #define  PCI_HT_SW_PC_NPCT	0x7	/* Nonposted Command Transmit */
591 #define  PCI_HT_SW_PC_RCT	0x8	/* Response Command Transmit */
592 #define  PCI_HT_SW_PC_PDWT	0x9	/* Posted DW Transmit */
593 #define  PCI_HT_SW_PC_NPDWT	0xa	/* Nonposted DW Transmit */
594 #define  PCI_HT_SW_PC_RDWT	0xb	/* Response DW Transmit */
595 
596 					/* Base/Limit Range indices */
597 #define  PCI_HT_SW_BLR_BASE0_LO	0x0	/* Base 0[31:1], Enable */
598 #define  PCI_HT_SW_BLR_BASE0_HI	0x1	/* Base 0 Upper */
599 #define  PCI_HT_SW_BLR_LIM0_LO	0x2	/* Limit 0 Lower */
600 #define  PCI_HT_SW_BLR_LIM0_HI	0x3	/* Limit 0 Upper */
601 
602 					/* Secondary Base indices */
603 #define  PCI_HT_SW_SB_LO	0x0	/* Secondary Base[31:1], Enable */
604 #define  PCI_HT_SW_S0_HI	0x1	/* Secondary Base Upper */
605 
606 /* HyperTransport: Interrupt Discovery and Configuration */
607 #define PCI_HT_IDC_IDX		2	/* Index Register */
608 #define PCI_HT_IDC_DATA		4	/* Data Register */
609 #define PCI_HT_IDC_SIZEOF	8
610 
611 					/* Register indices */
612 #define  PCI_HT_IDC_IDX_LINT	0x01	/* Last Interrupt Register */
613 #define   PCI_HT_IDC_LINT	0x00ff0000 /* Last interrupt definition */
614 #define  PCI_HT_IDC_IDX_IDR	0x10	/* Interrupt Definition Registers */
615 					/* Low part (at index) */
616 #define   PCI_HT_IDC_IDR_MASK	0x10000001 /* Mask */
617 #define   PCI_HT_IDC_IDR_POL	0x10000002 /* Polarity */
618 #define   PCI_HT_IDC_IDR_II_2	0x1000001c /* IntrInfo[4:2]: Message Type */
619 #define   PCI_HT_IDC_IDR_II_5	0x10000020 /* IntrInfo[5]: Request EOI */
620 #define   PCI_HT_IDC_IDR_II_6	0x00ffffc0 /* IntrInfo[23:6] */
621 #define   PCI_HT_IDC_IDR_II_24	0xff000000 /* IntrInfo[31:24] */
622 					/* High part (at index + 1) */
623 #define   PCI_HT_IDC_IDR_II_32	0x00ffffff /* IntrInfo[55:32] */
624 #define   PCI_HT_IDC_IDR_PASSPW	0x40000000 /* PassPW setting for messages */
625 #define   PCI_HT_IDC_IDR_WEOI	0x80000000 /* Waiting for EOI */
626 
627 /* HyperTransport: Revision ID */
628 #define PCI_HT_RID_RID		2	/* Revision Register */
629 #define PCI_HT_RID_SIZEOF	4
630 
631 /* HyperTransport: UnitID Clumping */
632 #define PCI_HT_UIDC_CS		4	/* Clumping Support Register */
633 #define PCI_HT_UIDC_CE		8	/* Clumping Enable Register */
634 #define PCI_HT_UIDC_SIZEOF	12
635 
636 /* HyperTransport: Extended Configuration Space Access */
637 #define PCI_HT_ECSA_ADDR	4	/* Configuration Address Register */
638 #define  PCI_HT_ECSA_ADDR_REG	0x00000ffc /* Register */
639 #define  PCI_HT_ECSA_ADDR_FUN	0x00007000 /* Function */
640 #define  PCI_HT_ECSA_ADDR_DEV	0x000f1000 /* Device */
641 #define  PCI_HT_ECSA_ADDR_BUS	0x0ff00000 /* Bus Number */
642 #define  PCI_HT_ECSA_ADDR_TYPE	0x10000000 /* Access Type */
643 #define PCI_HT_ECSA_DATA	8	/* Configuration Data Register */
644 #define PCI_HT_ECSA_SIZEOF	12
645 
646 /* HyperTransport: Address Mapping */
647 #define PCI_HT_AM_CMD		2	/* Command Register */
648 #define  PCI_HT_AM_CMD_NDMA	0x000f	/* Number of DMA Mappings */
649 #define  PCI_HT_AM_CMD_IOSIZ	0x01f0	/* I/O Size */
650 #define  PCI_HT_AM_CMD_MT	0x0600	/* Map Type */
651 #define  PCI_HT_AM_CMD_MT_40B	0x0000	/* 40-bit */
652 #define  PCI_HT_AM_CMD_MT_64B	0x0200	/* 64-bit */
653 
654 					/* Window Control Register bits */
655 #define  PCI_HT_AM_SBW_CTR_COMP	0x1	/* Compat */
656 #define  PCI_HT_AM_SBW_CTR_NCOH	0x2	/* NonCoherent */
657 #define  PCI_HT_AM_SBW_CTR_ISOC	0x4	/* Isochronous */
658 #define  PCI_HT_AM_SBW_CTR_EN	0x8	/* Enable */
659 
660 /* HyperTransport: 40-bit Address Mapping */
661 #define PCI_HT_AM40_SBNPW	4	/* Secondary Bus Non-Prefetchable Window Register */
662 #define  PCI_HT_AM40_SBW_BASE	0x000fffff /* Window Base */
663 #define  PCI_HT_AM40_SBW_CTR	0xf0000000 /* Window Control */
664 #define PCI_HT_AM40_SBPW	8	/* Secondary Bus Prefetchable Window Register */
665 #define PCI_HT_AM40_DMA_PBASE0	12	/* DMA Window Primary Base 0 Register */
666 #define PCI_HT_AM40_DMA_CTR0	15	/* DMA Window Control 0 Register */
667 #define  PCI_HT_AM40_DMA_CTR_CTR 0xf0	/* Window Control */
668 #define PCI_HT_AM40_DMA_SLIM0	16	/* DMA Window Secondary Limit 0 Register */
669 #define PCI_HT_AM40_DMA_SBASE0	18	/* DMA Window Secondary Base 0 Register */
670 #define PCI_HT_AM40_SIZEOF	12	/* size is variable: 12 + 8 * NDMA */
671 
672 /* HyperTransport: 64-bit Address Mapping */
673 #define PCI_HT_AM64_IDX		4	/* Index Register */
674 #define PCI_HT_AM64_DATA_LO	8	/* Data Lower Register */
675 #define PCI_HT_AM64_DATA_HI	12	/* Data Upper Register */
676 #define PCI_HT_AM64_SIZEOF	16
677 
678 					/* Register indices */
679 #define  PCI_HT_AM64_IDX_SBNPW	0x00	/* Secondary Bus Non-Prefetchable Window Register */
680 #define   PCI_HT_AM64_W_BASE_LO	0xfff00000 /* Window Base Lower */
681 #define   PCI_HT_AM64_W_CTR	0x0000000f /* Window Control */
682 #define  PCI_HT_AM64_IDX_SBPW	0x01	/* Secondary Bus Prefetchable Window Register */
683 #define   PCI_HT_AM64_IDX_PBNPW	0x02	/* Primary Bus Non-Prefetchable Window Register */
684 #define   PCI_HT_AM64_IDX_DMAPB0 0x04	/* DMA Window Primary Base 0 Register */
685 #define   PCI_HT_AM64_IDX_DMASB0 0x05	/* DMA Window Secondary Base 0 Register */
686 #define   PCI_HT_AM64_IDX_DMASL0 0x06	/* DMA Window Secondary Limit 0 Register */
687 
688 /* HyperTransport: MSI Mapping */
689 #define PCI_HT_MSIM_CMD		2	/* Command Register */
690 #define  PCI_HT_MSIM_CMD_EN	0x0001	/* Mapping Active */
691 #define  PCI_HT_MSIM_CMD_FIXD	0x0002	/* MSI Mapping Address Fixed */
692 #define PCI_HT_MSIM_ADDR_LO	4	/* MSI Mapping Address Lower Register */
693 #define PCI_HT_MSIM_ADDR_HI	8	/* MSI Mapping Address Upper Register */
694 #define PCI_HT_MSIM_SIZEOF	12
695 
696 /* HyperTransport: DirectRoute */
697 #define PCI_HT_DR_CMD		2	/* Command Register */
698 #define  PCI_HT_DR_CMD_NDRS	0x000f	/* Number of DirectRoute Spaces */
699 #define  PCI_HT_DR_CMD_IDX	0x01f0	/* Index */
700 #define PCI_HT_DR_EN		4	/* Enable Vector Register */
701 #define PCI_HT_DR_DATA		8	/* Data Register */
702 #define PCI_HT_DR_SIZEOF	12
703 
704 					/* Register indices */
705 #define  PCI_HT_DR_IDX_BASE_LO	0x00	/* DirectRoute Base Lower Register */
706 #define   PCI_HT_DR_OTNRD	0x00000001 /* Opposite to Normal Request Direction */
707 #define   PCI_HT_DR_BL_LO	0xffffff00 /* Base/Limit Lower */
708 #define  PCI_HT_DR_IDX_BASE_HI	0x01	/* DirectRoute Base Upper Register */
709 #define  PCI_HT_DR_IDX_LIMIT_LO	0x02	/* DirectRoute Limit Lower Register */
710 #define  PCI_HT_DR_IDX_LIMIT_HI	0x03	/* DirectRoute Limit Upper Register */
711 
712 /* HyperTransport: VCSet */
713 #define PCI_HT_VCS_SUP		4	/* VCSets Supported Register */
714 #define PCI_HT_VCS_L1EN		5	/* Link 1 VCSets Enabled Register */
715 #define PCI_HT_VCS_L0EN		6	/* Link 0 VCSets Enabled Register */
716 #define PCI_HT_VCS_SBD		8	/* Stream Bucket Depth Register */
717 #define PCI_HT_VCS_SINT		9	/* Stream Interval Register */
718 #define PCI_HT_VCS_SSUP		10	/* Number of Streaming VCs Supported Register */
719 #define  PCI_HT_VCS_SSUP_0	0x00	/* Streaming VC 0 */
720 #define  PCI_HT_VCS_SSUP_3	0x01	/* Streaming VCs 0-3 */
721 #define  PCI_HT_VCS_SSUP_15	0x02	/* Streaming VCs 0-15 */
722 #define PCI_HT_VCS_NFCBD	12	/* Non-FC Bucket Depth Register */
723 #define PCI_HT_VCS_NFCINT	13	/* Non-FC Bucket Interval Register */
724 #define PCI_HT_VCS_SIZEOF	16
725 
726 /* HyperTransport: Retry Mode */
727 #define PCI_HT_RM_CTR0		4	/* Control 0 Register */
728 #define  PCI_HT_RM_CTR_LRETEN	0x01	/* Link Retry Enable */
729 #define  PCI_HT_RM_CTR_FSER	0x02	/* Force Single Error */
730 #define  PCI_HT_RM_CTR_ROLNEN	0x04	/* Rollover Nonfatal Enable */
731 #define  PCI_HT_RM_CTR_FSS	0x08	/* Force Single Stomp */
732 #define  PCI_HT_RM_CTR_RETNEN	0x10	/* Retry Nonfatal Enable */
733 #define  PCI_HT_RM_CTR_RETFEN	0x20	/* Retry Fatal Enable */
734 #define  PCI_HT_RM_CTR_AA	0xc0	/* Allowed Attempts */
735 #define PCI_HT_RM_STS0		5	/* Status 0 Register */
736 #define  PCI_HT_RM_STS_RETSNT	0x01	/* Retry Sent */
737 #define  PCI_HT_RM_STS_CNTROL	0x02	/* Count Rollover */
738 #define  PCI_HT_RM_STS_SRCV	0x04	/* Stomp Received */
739 #define PCI_HT_RM_CTR1		6	/* Control 1 Register */
740 #define PCI_HT_RM_STS1		7	/* Status 1 Register */
741 #define PCI_HT_RM_CNT0		8	/* Retry Count 0 Register */
742 #define PCI_HT_RM_CNT1		10	/* Retry Count 1 Register */
743 #define PCI_HT_RM_SIZEOF	12
744 
745 /* Vendor-Specific Capability (see PCI_EVNDR_xxx for the PCIe version) */
746 #define PCI_VNDR_LENGTH		2	/* Length byte */
747 
748 /* PCI Express */
749 #define PCI_EXP_FLAGS		0x2	/* Capabilities register */
750 #define PCI_EXP_FLAGS_VERS	0x000f	/* Capability version */
751 #define PCI_EXP_FLAGS_TYPE	0x00f0	/* Device/Port type */
752 #define  PCI_EXP_TYPE_ENDPOINT	0x0	/* Express Endpoint */
753 #define  PCI_EXP_TYPE_LEG_END	0x1	/* Legacy Endpoint */
754 #define  PCI_EXP_TYPE_ROOT_PORT 0x4	/* Root Port */
755 #define  PCI_EXP_TYPE_UPSTREAM	0x5	/* Upstream Port */
756 #define  PCI_EXP_TYPE_DOWNSTREAM 0x6	/* Downstream Port */
757 #define  PCI_EXP_TYPE_PCI_BRIDGE 0x7	/* PCIe to PCI/PCI-X Bridge */
758 #define  PCI_EXP_TYPE_PCIE_BRIDGE 0x8	/* PCI/PCI-X to PCIe Bridge */
759 #define  PCI_EXP_TYPE_ROOT_INT_EP 0x9	/* Root Complex Integrated Endpoint */
760 #define  PCI_EXP_TYPE_ROOT_EC 0xa	/* Root Complex Event Collector */
761 #define PCI_EXP_FLAGS_SLOT	0x0100	/* Slot implemented */
762 #define PCI_EXP_FLAGS_IRQ	0x3e00	/* Interrupt message number */
763 #define PCI_EXP_DEVCAP		0x4	/* Device capabilities */
764 #define  PCI_EXP_DEVCAP_PAYLOAD	0x07	/* Max_Payload_Size */
765 #define  PCI_EXP_DEVCAP_PHANTOM	0x18	/* Phantom functions */
766 #define  PCI_EXP_DEVCAP_EXT_TAG	0x20	/* Extended tags */
767 #define  PCI_EXP_DEVCAP_L0S	0x1c0	/* L0s Acceptable Latency */
768 #define  PCI_EXP_DEVCAP_L1	0xe00	/* L1 Acceptable Latency */
769 #define  PCI_EXP_DEVCAP_ATN_BUT	0x1000	/* Attention Button Present */
770 #define  PCI_EXP_DEVCAP_ATN_IND	0x2000	/* Attention Indicator Present */
771 #define  PCI_EXP_DEVCAP_PWR_IND	0x4000	/* Power Indicator Present */
772 #define  PCI_EXP_DEVCAP_RBE	0x8000	/* Role-Based Error Reporting */
773 #define  PCI_EXP_DEVCAP_PWR_VAL	0x3fc0000 /* Slot Power Limit Value */
774 #define  PCI_EXP_DEVCAP_PWR_SCL	0xc000000 /* Slot Power Limit Scale */
775 #define  PCI_EXP_DEVCAP_FLRESET	0x10000000 /* Function-Level Reset */
776 #define PCI_EXP_DEVCTL		0x8	/* Device Control */
777 #define  PCI_EXP_DEVCTL_CERE	0x0001	/* Correctable Error Reporting En. */
778 #define  PCI_EXP_DEVCTL_NFERE	0x0002	/* Non-Fatal Error Reporting Enable */
779 #define  PCI_EXP_DEVCTL_FERE	0x0004	/* Fatal Error Reporting Enable */
780 #define  PCI_EXP_DEVCTL_URRE	0x0008	/* Unsupported Request Reporting En. */
781 #define  PCI_EXP_DEVCTL_RELAXED	0x0010	/* Enable Relaxed Ordering */
782 #define  PCI_EXP_DEVCTL_PAYLOAD	0x00e0	/* Max_Payload_Size */
783 #define  PCI_EXP_DEVCTL_EXT_TAG	0x0100	/* Extended Tag Field Enable */
784 #define  PCI_EXP_DEVCTL_PHANTOM	0x0200	/* Phantom Functions Enable */
785 #define  PCI_EXP_DEVCTL_AUX_PME	0x0400	/* Auxiliary Power PM Enable */
786 #define  PCI_EXP_DEVCTL_NOSNOOP	0x0800	/* Enable No Snoop */
787 #define  PCI_EXP_DEVCTL_READRQ	0x7000	/* Max_Read_Request_Size */
788 #define  PCI_EXP_DEVCTL_BCRE	0x8000	/* Bridge Configuration Retry Enable */
789 #define  PCI_EXP_DEVCTL_FLRESET	0x8000	/* Function-Level Reset [bit shared with BCRE] */
790 #define PCI_EXP_DEVSTA		0xa	/* Device Status */
791 #define  PCI_EXP_DEVSTA_CED	0x01	/* Correctable Error Detected */
792 #define  PCI_EXP_DEVSTA_NFED	0x02	/* Non-Fatal Error Detected */
793 #define  PCI_EXP_DEVSTA_FED	0x04	/* Fatal Error Detected */
794 #define  PCI_EXP_DEVSTA_URD	0x08	/* Unsupported Request Detected */
795 #define  PCI_EXP_DEVSTA_AUXPD	0x10	/* AUX Power Detected */
796 #define  PCI_EXP_DEVSTA_TRPND	0x20	/* Transactions Pending */
797 #define PCI_EXP_LNKCAP		0xc	/* Link Capabilities */
798 #define  PCI_EXP_LNKCAP_SPEED	0x0000f	/* Maximum Link Speed */
799 #define  PCI_EXP_LNKCAP_WIDTH	0x003f0	/* Maximum Link Width */
800 #define  PCI_EXP_LNKCAP_ASPM	0x00c00	/* Active State Power Management */
801 #define  PCI_EXP_LNKCAP_L0S	0x07000	/* L0s Exit Latency */
802 #define  PCI_EXP_LNKCAP_L1	0x38000	/* L1 Exit Latency */
803 #define  PCI_EXP_LNKCAP_CLOCKPM	0x40000	/* Clock Power Management */
804 #define  PCI_EXP_LNKCAP_SURPRISE 0x80000 /* Surprise Down Error Reporting */
805 #define  PCI_EXP_LNKCAP_DLLA	0x100000 /* Data Link Layer Active Reporting */
806 #define  PCI_EXP_LNKCAP_LBNC	0x200000 /* Link Bandwidth Notification Capability */
807 #define  PCI_EXP_LNKCAP_AOC 	0x400000 /* ASPM Optionality Compliance */
808 #define  PCI_EXP_LNKCAP_PORT	0xff000000 /* Port Number */
809 #define PCI_EXP_LNKCTL		0x10	/* Link Control */
810 #define  PCI_EXP_LNKCTL_ASPM	0x0003	/* ASPM Control */
811 #define  PCI_EXP_LNKCTL_RCB	0x0008	/* Read Completion Boundary */
812 #define  PCI_EXP_LNKCTL_DISABLE	0x0010	/* Link Disable */
813 #define  PCI_EXP_LNKCTL_RETRAIN	0x0020	/* Retrain Link */
814 #define  PCI_EXP_LNKCTL_CLOCK	0x0040	/* Common Clock Configuration */
815 #define  PCI_EXP_LNKCTL_XSYNCH	0x0080	/* Extended Synch */
816 #define  PCI_EXP_LNKCTL_CLOCKPM	0x0100	/* Clock Power Management */
817 #define  PCI_EXP_LNKCTL_HWAUTWD	0x0200	/* Hardware Autonomous Width Disable */
818 #define  PCI_EXP_LNKCTL_BWMIE	0x0400	/* Bandwidth Mgmt Interrupt Enable */
819 #define  PCI_EXP_LNKCTL_AUTBWIE	0x0800	/* Autonomous Bandwidth Mgmt Interrupt Enable */
820 #define PCI_EXP_LNKSTA		0x12	/* Link Status */
821 #define  PCI_EXP_LNKSTA_SPEED	0x000f	/* Negotiated Link Speed */
822 #define  PCI_EXP_LNKSTA_WIDTH	0x03f0	/* Negotiated Link Width */
823 #define  PCI_EXP_LNKSTA_TR_ERR	0x0400	/* Training Error (obsolete) */
824 #define  PCI_EXP_LNKSTA_TRAIN	0x0800	/* Link Training */
825 #define  PCI_EXP_LNKSTA_SL_CLK	0x1000	/* Slot Clock Configuration */
826 #define  PCI_EXP_LNKSTA_DL_ACT	0x2000	/* Data Link Layer in DL_Active State */
827 #define  PCI_EXP_LNKSTA_BWMGMT	0x4000	/* Bandwidth Mgmt Status */
828 #define  PCI_EXP_LNKSTA_AUTBW	0x8000	/* Autonomous Bandwidth Mgmt Status */
829 #define PCI_EXP_SLTCAP		0x14	/* Slot Capabilities */
830 #define  PCI_EXP_SLTCAP_ATNB	0x0001	/* Attention Button Present */
831 #define  PCI_EXP_SLTCAP_PWRC	0x0002	/* Power Controller Present */
832 #define  PCI_EXP_SLTCAP_MRL	0x0004	/* MRL Sensor Present */
833 #define  PCI_EXP_SLTCAP_ATNI	0x0008	/* Attention Indicator Present */
834 #define  PCI_EXP_SLTCAP_PWRI	0x0010	/* Power Indicator Present */
835 #define  PCI_EXP_SLTCAP_HPS	0x0020	/* Hot-Plug Surprise */
836 #define  PCI_EXP_SLTCAP_HPC	0x0040	/* Hot-Plug Capable */
837 #define  PCI_EXP_SLTCAP_PWR_VAL	0x00007f80 /* Slot Power Limit Value */
838 #define  PCI_EXP_SLTCAP_PWR_SCL	0x00018000 /* Slot Power Limit Scale */
839 #define  PCI_EXP_SLTCAP_INTERLOCK 0x020000 /* Electromechanical Interlock Present */
840 #define  PCI_EXP_SLTCAP_NOCMDCOMP 0x040000 /* No Command Completed Support */
841 #define  PCI_EXP_SLTCAP_PSN	0xfff80000 /* Physical Slot Number */
842 #define PCI_EXP_SLTCTL		0x18	/* Slot Control */
843 #define  PCI_EXP_SLTCTL_ATNB	0x0001	/* Attention Button Pressed Enable */
844 #define  PCI_EXP_SLTCTL_PWRF	0x0002	/* Power Fault Detected Enable */
845 #define  PCI_EXP_SLTCTL_MRLS	0x0004	/* MRL Sensor Changed Enable */
846 #define  PCI_EXP_SLTCTL_PRSD	0x0008	/* Presence Detect Changed Enable */
847 #define  PCI_EXP_SLTCTL_CMDC	0x0010	/* Command Completed Interrupt Enable */
848 #define  PCI_EXP_SLTCTL_HPIE	0x0020	/* Hot-Plug Interrupt Enable */
849 #define  PCI_EXP_SLTCTL_ATNI	0x00c0	/* Attention Indicator Control */
850 #define  PCI_EXP_SLTCTL_PWRI	0x0300	/* Power Indicator Control */
851 #define  PCI_EXP_SLTCTL_PWRC	0x0400	/* Power Controller Control */
852 #define  PCI_EXP_SLTCTL_INTERLOCK 0x0800 /* Electromechanical Interlock Control */
853 #define  PCI_EXP_SLTCTL_LLCHG	0x1000	/* Data Link Layer State Changed Enable */
854 #define PCI_EXP_SLTSTA		0x1a	/* Slot Status */
855 #define  PCI_EXP_SLTSTA_ATNB	0x0001	/* Attention Button Pressed */
856 #define  PCI_EXP_SLTSTA_PWRF	0x0002	/* Power Fault Detected */
857 #define  PCI_EXP_SLTSTA_MRLS	0x0004	/* MRL Sensor Changed */
858 #define  PCI_EXP_SLTSTA_PRSD	0x0008	/* Presence Detect Changed */
859 #define  PCI_EXP_SLTSTA_CMDC	0x0010	/* Command Completed */
860 #define  PCI_EXP_SLTSTA_MRL_ST	0x0020	/* MRL Sensor State */
861 #define  PCI_EXP_SLTSTA_PRES	0x0040	/* Presence Detect State */
862 #define  PCI_EXP_SLTSTA_INTERLOCK 0x0080 /* Electromechanical Interlock Status */
863 #define  PCI_EXP_SLTSTA_LLCHG	0x0100	/* Data Link Layer State Changed */
864 #define PCI_EXP_RTCTL		0x1c	/* Root Control */
865 #define  PCI_EXP_RTCTL_SECEE	0x0001	/* System Error on Correctable Error */
866 #define  PCI_EXP_RTCTL_SENFEE	0x0002	/* System Error on Non-Fatal Error */
867 #define  PCI_EXP_RTCTL_SEFEE	0x0004	/* System Error on Fatal Error */
868 #define  PCI_EXP_RTCTL_PMEIE	0x0008	/* PME Interrupt Enable */
869 #define  PCI_EXP_RTCTL_CRSVIS	0x0010	/* Configuration Request Retry Status Visible to SW */
870 #define PCI_EXP_RTCAP		0x1e	/* Root Capabilities */
871 #define  PCI_EXP_RTCAP_CRSVIS	0x0001	/* Configuration Request Retry Status Visible to SW */
872 #define PCI_EXP_RTSTA		0x20	/* Root Status */
873 #define  PCI_EXP_RTSTA_PME_REQID   0x0000ffff /* PME Requester ID */
874 #define  PCI_EXP_RTSTA_PME_STATUS  0x00010000 /* PME Status */
875 #define  PCI_EXP_RTSTA_PME_PENDING 0x00020000 /* PME is Pending */
876 #define PCI_EXP_DEVCAP2			0x24	/* Device capabilities 2 */
877 #define  PCI_EXP_DEVCAP2_TIMEOUT_RANGE(x)	((x) & 0xf) /* Completion Timeout Ranges Supported */
878 #define  PCI_EXP_DEVCAP2_TIMEOUT_DIS	0x0010	/* Completion Timeout Disable Supported */
879 #define  PCI_EXP_DEVCAP2_ARI		0x0020	/* ARI Forwarding Supported */
880 #define  PCI_EXP_DEVCAP2_ATOMICOP_ROUTING	0x0040	/* AtomicOp Routing Supported */
881 #define  PCI_EXP_DEVCAP2_32BIT_ATOMICOP_COMP	0x0080	/* 32bit AtomicOp Completer Supported */
882 #define  PCI_EXP_DEVCAP2_64BIT_ATOMICOP_COMP	0x0100	/* 64bit AtomicOp Completer Supported */
883 #define  PCI_EXP_DEVCAP2_128BIT_CAS_COMP	0x0200	/* 128bit CAS Completer Supported */
884 #define  PCI_EXP_DEVCAP2_NROPRPRP	0x0400 /* No RO-enabled PR-PR Passing */
885 #define  PCI_EXP_DEVCAP2_LTR		0x0800	/* LTR supported */
886 #define  PCI_EXP_DEVCAP2_TPH_COMP(x)	(((x) >> 12) & 3) /* TPH Completer Supported */
887 #define  PCI_EXP_DEVCAP2_LN_CLS(x)	(((x) >> 14) & 3) /* LN System CLS Supported */
888 #define  PCI_EXP_DEVCAP2_10BIT_TAG_COMP 0x00010000 /* 10 Bit Tag Completer */
889 #define  PCI_EXP_DEVCAP2_10BIT_TAG_REQ	0x00020000 /* 10 Bit Tag Requester */
890 #define  PCI_EXP_DEVCAP2_OBFF(x)	(((x) >> 18) & 3) /* OBFF supported */
891 #define  PCI_EXP_DEVCAP2_EXTFMT		0x00100000 /* Extended Fmt Field Supported */
892 #define  PCI_EXP_DEVCAP2_EE_TLP		0x00200000 /* End-End TLP Prefix Supported */
893 #define  PCI_EXP_DEVCAP2_MEE_TLP(x)	(((x) >> 22) & 3) /* Max End-End TLP Prefixes */
894 #define  PCI_EXP_DEVCAP2_EPR(x)		(((x) >> 24) & 3) /* Emergency Power Reduction Supported */
895 #define  PCI_EXP_DEVCAP2_EPR_INIT	0x04000000 /* Emergency Power Reduction Initialization Required */
896 #define  PCI_EXP_DEVCAP2_FRS		0x80000000 /* FRS supported */
897 #define PCI_EXP_DEVCTL2			0x28	/* Device Control */
898 #define  PCI_EXP_DEVCTL2_TIMEOUT_VALUE(x)	((x) & 0xf) /* Completion Timeout Value */
899 #define  PCI_EXP_DEVCTL2_TIMEOUT_DIS	0x0010	/* Completion Timeout Disable */
900 #define  PCI_EXP_DEVCTL2_ARI		0x0020	/* ARI Forwarding */
901 #define  PCI_EXP_DEVCTL2_ATOMICOP_REQUESTER_EN	0x0040	/* AtomicOp RequesterEnable */
902 #define  PCI_EXP_DEVCTL2_ATOMICOP_EGRESS_BLOCK	0x0080	/* AtomicOp Egress Blocking */
903 #define  PCI_EXP_DEVCTL2_LTR		0x0400	/* LTR enabled */
904 #define  PCI_EXP_DEVCTL2_10BIT_TAG_REQ	0x1000 /* 10 Bit Tag Requester enabled */
905 #define  PCI_EXP_DEVCTL2_OBFF(x)		(((x) >> 13) & 3) /* OBFF enabled */
906 #define PCI_EXP_DEVSTA2			0x2a	/* Device Status */
907 #define PCI_EXP_LNKCAP2			0x2c	/* Link Capabilities */
908 #define  PCI_EXP_LNKCAP2_SPEED(x)	(((x) >> 1) & 0x7f)
909 #define  PCI_EXP_LNKCAP2_CROSSLINK	0x00000100 /* Crosslink Supported */
910 #define  PCI_EXP_LNKCAP2_RETIMER	0x00800000 /* Retimer Supported */
911 #define  PCI_EXP_LNKCAP2_2RETIMERS	0x01000000 /* 2 Retimers Supported */
912 #define  PCI_EXP_LNKCAP2_DRS		0x80000000 /* Device Readiness Status */
913 #define PCI_EXP_LNKCTL2			0x30	/* Link Control */
914 #define  PCI_EXP_LNKCTL2_SPEED(x)	((x) & 0xf) /* Target Link Speed */
915 #define  PCI_EXP_LNKCTL2_CMPLNC		0x0010	/* Enter Compliance */
916 #define  PCI_EXP_LNKCTL2_SPEED_DIS	0x0020	/* Hardware Autonomous Speed Disable */
917 #define  PCI_EXP_LNKCTL2_DEEMPHASIS(x)	(((x) >> 6) & 1) /* Selectable De-emphasis */
918 #define  PCI_EXP_LNKCTL2_MARGIN(x)	(((x) >> 7) & 7) /* Transmit Margin */
919 #define  PCI_EXP_LNKCTL2_MOD_CMPLNC	0x0400	/* Enter Modified Compliance */
920 #define  PCI_EXP_LNKCTL2_CMPLNC_SOS	0x0800	/* Compliance SOS */
921 #define  PCI_EXP_LNKCTL2_COM_DEEMPHASIS(x) (((x) >> 12) & 0xf) /* Compliance Preset/De-emphasis */
922 #define PCI_EXP_LNKSTA2			0x32	/* Link Status */
923 #define  PCI_EXP_LINKSTA2_DEEMPHASIS(x)	((x) & 1)	/* Current De-emphasis Level */
924 #define  PCI_EXP_LINKSTA2_EQU_COMP	0x02	/* Equalization Complete */
925 #define  PCI_EXP_LINKSTA2_EQU_PHASE1	0x04	/* Equalization Phase 1 Successful */
926 #define  PCI_EXP_LINKSTA2_EQU_PHASE2	0x08	/* Equalization Phase 2 Successful */
927 #define  PCI_EXP_LINKSTA2_EQU_PHASE3	0x10	/* Equalization Phase 3 Successful */
928 #define  PCI_EXP_LINKSTA2_EQU_REQ	0x20	/* Link Equalization Request */
929 #define  PCI_EXP_LINKSTA2_RETIMER	0x0040	/* Retimer Detected */
930 #define  PCI_EXP_LINKSTA2_2RETIMERS	0x0080	/* 2 Retimers Detected */
931 #define  PCI_EXP_LINKSTA2_CROSSLINK(x)	(((x) >> 8) & 0x3) /* Crosslink Res */
932 #define  PCI_EXP_LINKSTA2_COMPONENT(x)	(((x) >> 12) & 0x7) /* Presence */
933 #define  PCI_EXP_LINKSTA2_DRS_RCVD	0x8000	/* DRS Msg Received */
934 #define PCI_EXP_SLTCAP2			0x34	/* Slot Capabilities */
935 #define PCI_EXP_SLTCTL2			0x38	/* Slot Control */
936 #define PCI_EXP_SLTSTA2			0x3a	/* Slot Status */
937 
938 /* MSI-X */
939 #define  PCI_MSIX_ENABLE	0x8000
940 #define  PCI_MSIX_MASK		0x4000
941 #define  PCI_MSIX_TABSIZE	0x07ff
942 #define PCI_MSIX_TABLE		4
943 #define PCI_MSIX_PBA		8
944 #define  PCI_MSIX_BIR		0x7
945 
946 /* Subsystem vendor/device ID for PCI bridges */
947 #define PCI_SSVID_VENDOR	4
948 #define PCI_SSVID_DEVICE	6
949 
950 /* PCI Advanced Features */
951 #define PCI_AF_CAP		3
952 #define  PCI_AF_CAP_TP		0x01
953 #define  PCI_AF_CAP_FLR		0x02
954 #define PCI_AF_CTRL		4
955 #define  PCI_AF_CTRL_FLR	0x01
956 #define PCI_AF_STATUS		5
957 #define  PCI_AF_STATUS_TP	0x01
958 
959 /* SATA Host Bus Adapter */
960 #define PCI_SATA_HBA_BARS	4
961 #define PCI_SATA_HBA_REG0	8
962 
963 /* Enhanced Allocation (EA) */
964 #define PCI_EA_CAP_TYPE1_SECONDARY	4
965 #define PCI_EA_CAP_TYPE1_SUBORDINATE	5
966 /* EA Entry header */
967 #define PCI_EA_CAP_ENT_WRITABLE	0x40000000	/* Writable: 1 = RW, 0 = HwInit */
968 #define PCI_EA_CAP_ENT_ENABLE	0x80000000	/* Enable for this entry */
969 
970 /*** Definitions of extended capabilities ***/
971 
972 /* Advanced Error Reporting */
973 #define PCI_ERR_UNCOR_STATUS	4	/* Uncorrectable Error Status */
974 #define  PCI_ERR_UNC_TRAIN	0x00000001	/* Undefined in PCIe rev1.1 & 2.0 spec */
975 #define  PCI_ERR_UNC_DLP	0x00000010	/* Data Link Protocol */
976 #define  PCI_ERR_UNC_SDES	0x00000020	/* Surprise Down Error */
977 #define  PCI_ERR_UNC_POISON_TLP	0x00001000	/* Poisoned TLP */
978 #define  PCI_ERR_UNC_FCP	0x00002000	/* Flow Control Protocol */
979 #define  PCI_ERR_UNC_COMP_TIME	0x00004000	/* Completion Timeout */
980 #define  PCI_ERR_UNC_COMP_ABORT	0x00008000	/* Completer Abort */
981 #define  PCI_ERR_UNC_UNX_COMP	0x00010000	/* Unexpected Completion */
982 #define  PCI_ERR_UNC_RX_OVER	0x00020000	/* Receiver Overflow */
983 #define  PCI_ERR_UNC_MALF_TLP	0x00040000	/* Malformed TLP */
984 #define  PCI_ERR_UNC_ECRC	0x00080000	/* ECRC Error Status */
985 #define  PCI_ERR_UNC_UNSUP	0x00100000	/* Unsupported Request */
986 #define  PCI_ERR_UNC_ACS_VIOL	0x00200000	/* ACS Violation */
987 #define PCI_ERR_UNCOR_MASK	8	/* Uncorrectable Error Mask */
988 	/* Same bits as above */
989 #define PCI_ERR_UNCOR_SEVER	12	/* Uncorrectable Error Severity */
990 	/* Same bits as above */
991 #define PCI_ERR_COR_STATUS	16	/* Correctable Error Status */
992 #define  PCI_ERR_COR_RCVR	0x00000001	/* Receiver Error Status */
993 #define  PCI_ERR_COR_BAD_TLP	0x00000040	/* Bad TLP Status */
994 #define  PCI_ERR_COR_BAD_DLLP	0x00000080	/* Bad DLLP Status */
995 #define  PCI_ERR_COR_REP_ROLL	0x00000100	/* REPLAY_NUM Rollover */
996 #define  PCI_ERR_COR_REP_TIMER	0x00001000	/* Replay Timer Timeout */
997 #define  PCI_ERR_COR_REP_ANFE	0x00002000	/* Advisory Non-Fatal Error */
998 #define PCI_ERR_COR_MASK	20	/* Correctable Error Mask */
999 	/* Same bits as above */
1000 #define PCI_ERR_CAP		24	/* Advanced Error Capabilities */
1001 #define  PCI_ERR_CAP_FEP(x)	((x) & 31)	/* First Error Pointer */
1002 #define  PCI_ERR_CAP_ECRC_GENC	0x00000020	/* ECRC Generation Capable */
1003 #define  PCI_ERR_CAP_ECRC_GENE	0x00000040	/* ECRC Generation Enable */
1004 #define  PCI_ERR_CAP_ECRC_CHKC	0x00000080	/* ECRC Check Capable */
1005 #define  PCI_ERR_CAP_ECRC_CHKE	0x00000100	/* ECRC Check Enable */
1006 #define  PCI_ERR_CAP_MULT_HDRC	0x00000200	/* Multiple Header Capable */
1007 #define  PCI_ERR_CAP_MULT_HDRE	0x00000400	/* Multiple Header Enable */
1008 #define  PCI_ERR_CAP_TLP_PFX	0x00000800	/* TLP Prefix Log Present */
1009 #define  PCI_ERR_CAP_HDR_LOG	0x00001000	/* Completion Timeout Prefix/Header Log Capable */
1010 #define PCI_ERR_HEADER_LOG	28	/* Header Log Register (16 bytes) */
1011 #define PCI_ERR_ROOT_COMMAND	44	/* Root Error Command */
1012 #define  PCI_ERR_ROOT_CMD_COR_EN	0x00000001 /* Correctable Error Reporting Enable */
1013 #define  PCI_ERR_ROOT_CMD_NONFATAL_EN	0x00000002 /* Non-Fatal Error Reporting Enable*/
1014 #define  PCI_ERR_ROOT_CMD_FATAL_EN	0x00000004 /* Fatal Error Reporting Enable */
1015 #define PCI_ERR_ROOT_STATUS	48	/* Root Error Status */
1016 #define  PCI_ERR_ROOT_COR_RCV		0x00000001 /* ERR_COR Received */
1017 #define  PCI_ERR_ROOT_MULTI_COR_RCV	0x00000002 /* Multiple ERR_COR Received */
1018 #define  PCI_ERR_ROOT_UNCOR_RCV		0x00000004 /* ERR_FATAL/NONFATAL Received */
1019 #define  PCI_ERR_ROOT_MULTI_UNCOR_RCV	0x00000008 /* Multiple ERR_FATAL/NONFATAL Received */
1020 #define  PCI_ERR_ROOT_FIRST_FATAL	0x00000010 /* First Uncorrectable Fatal */
1021 #define  PCI_ERR_ROOT_NONFATAL_RCV	0x00000020 /* Non-Fatal Error Messages Received */
1022 #define  PCI_ERR_ROOT_FATAL_RCV		0x00000040 /* Fatal Error Messages Received */
1023 #define  PCI_ERR_MSG_NUM(x)	(((x) >> 27) & 0x1f) /* MSI/MSI-X vector */
1024 #define PCI_ERR_ROOT_COR_SRC	52
1025 #define PCI_ERR_ROOT_SRC	54
1026 
1027 /* Virtual Channel */
1028 #define PCI_VC_PORT_REG1	4
1029 #define PCI_VC_PORT_REG2	8
1030 #define PCI_VC_PORT_CTRL	12
1031 #define PCI_VC_PORT_STATUS	14
1032 #define PCI_VC_RES_CAP		16
1033 #define PCI_VC_RES_CTRL		20
1034 #define PCI_VC_RES_STATUS	26
1035 
1036 /* Power Budgeting */
1037 #define PCI_PWR_DSR		4	/* Data Select Register */
1038 #define PCI_PWR_DATA		8	/* Data Register */
1039 #define  PCI_PWR_DATA_BASE(x)	((x) & 0xff)	    /* Base Power */
1040 #define  PCI_PWR_DATA_SCALE(x)	(((x) >> 8) & 3)    /* Data Scale */
1041 #define  PCI_PWR_DATA_PM_SUB(x)	(((x) >> 10) & 7)   /* PM Sub State */
1042 #define  PCI_PWR_DATA_PM_STATE(x) (((x) >> 13) & 3) /* PM State */
1043 #define  PCI_PWR_DATA_TYPE(x)	(((x) >> 15) & 7)   /* Type */
1044 #define  PCI_PWR_DATA_RAIL(x)	(((x) >> 18) & 7)   /* Power Rail */
1045 #define PCI_PWR_CAP		12	/* Capability */
1046 #define  PCI_PWR_CAP_BUDGET(x)	((x) & 1)	/* Included in system budget */
1047 
1048 /* Root Complex Link */
1049 #define PCI_RCLINK_ESD		4	/* Element Self Description */
1050 #define PCI_RCLINK_LINK1	16	/* First Link Entry */
1051 #define  PCI_RCLINK_LINK_DESC	0	/* Link Entry: Description */
1052 #define  PCI_RCLINK_LINK_ADDR	8	/* Link Entry: Address (64-bit) */
1053 #define  PCI_RCLINK_LINK_SIZE	16	/* Link Entry: sizeof */
1054 
1055 /* Root Complex Event Collector Endpoint Association */
1056 #define  PCI_RCEC_EP_CAP_VER(reg)	(((reg) >> 16) & 0xf)
1057 #define  PCI_RCEC_BUSN_REG_VER	0x02	/* as per PCIe sec 7.9.10.1 */
1058 #define  PCI_RCEC_RCIEP_BMAP	0x0004	/* as per PCIe sec 7.9.10.2 */
1059 #define  PCI_RCEC_BUSN_REG	0x0008	/* as per PCIe sec 7.9.10.3 */
1060 
1061 /* PCIe Vendor-Specific Capability */
1062 #define PCI_EVNDR_HEADER	4	/* Vendor-Specific Header */
1063 #define PCI_EVNDR_REGISTERS	8	/* Vendor-Specific Registers */
1064 
1065 /* PCIe Designated Vendor-Specific Capability */
1066 #define PCI_DVSEC_HEADER1	4	/* Designated Vendor-Specific Header 1 */
1067 #define PCI_DVSEC_HEADER2	8	/* Designated Vendor-Specific Header 2 */
1068 #define PCI_DVSEC_VENDOR_ID_CXL	0x1e98	/* Designated Vendor-Specific Vendor ID for CXL */
1069 #define PCI_DVSEC_ID_CXL	0	/* Designated Vendor-Specific ID for Intel CXL */
1070 
1071 /* PCIe CXL Designated Vendor-Specific Capabilities for Devices: Control, Status */
1072 #define PCI_CXL_DEV_LEN 0x38 /* CXL Device DVSEC Length */
1073 #define PCI_CXL_DEV_CAP			0x0a	/* CXL Capability Register */
1074 #define  PCI_CXL_DEV_CAP_CACHE		0x0001	/* CXL.cache Protocol Support */
1075 #define  PCI_CXL_DEV_CAP_IO		0x0002	/* CXL.io Protocol Support */
1076 #define  PCI_CXL_DEV_CAP_MEM		0x0004	/* CXL.mem Protocol Support */
1077 #define  PCI_CXL_DEV_CAP_MEM_HWINIT	0x0008	/* CXL.mem Initializes with HW/FW Support */
1078 #define  PCI_CXL_DEV_CAP_HDM_CNT(x)	(((x) & (3 << 4)) >> 4)	/* CXL Number of HDM ranges */
1079 #define  PCI_CXL_DEV_CAP_VIRAL		0x4000	/* CXL Viral Handling Support */
1080 #define PCI_CXL_DEV_CTRL		0x0c	/* CXL Control Register */
1081 #define  PCI_CXL_DEV_CTRL_CACHE		0x0001	/* CXL.cache Protocol Enable */
1082 #define  PCI_CXL_DEV_CTRL_IO		0x0002	/* CXL.io Protocol Enable */
1083 #define  PCI_CXL_DEV_CTRL_MEM		0x0004	/* CXL.mem Protocol Enable */
1084 #define  PCI_CXL_DEV_CTRL_CACHE_SF_COV(x) (((x) & (0x1f << 3)) >> 3) /* Snoop Filter Coverage */
1085 #define  PCI_CXL_DEV_CTRL_CACHE_SF_GRAN(x) (((x) & (0x7 << 8)) >> 8) /* Snoop Filter Granularity */
1086 #define  PCI_CXL_DEV_CTRL_CACHE_CLN	0x0800	/* CXL.cache Performance Hint on Clean Evictions */
1087 #define  PCI_CXL_DEV_CTRL_VIRAL		0x4000	/* CXL Viral Handling Enable */
1088 #define PCI_CXL_DEV_STATUS		0x0e	/* CXL Status Register */
1089 #define  PCI_CXL_DEV_STATUS_VIRAL	0x4000	/* CXL Viral Handling Status */
1090 #define PCI_CXL_DEV_STATUS2		0x12
1091 #define  PCI_CXL_DEV_STATUS_CACHE_INV	0x0001
1092 #define  PCI_CXL_DEV_STATUS_RC		0x0002  /* Device Reset Complete */
1093 #define  PCI_CXL_DEV_STATUS_RE		0x0004  /* Device Reset Error */
1094 #define  PCI_CXL_DEV_STATUS_PMC		0x8000  /* Power Management Init Complete */
1095 #define PCI_CXL_DEV_CAP2		0x16
1096 #define  PCI_CXL_DEV_CAP2_CACHE_UNK	0x0000	/* Cache Size Isn't Reported */
1097 #define  PCI_CXL_DEV_CAP2_CACHE_64K	0x0001  /* Unit Size 64K */
1098 #define  PCI_CXL_DEV_CAP2_CACHE_1M	0x0002  /* Unit Size 1M */
1099 #define PCI_CXL_DEV_RANGE1_SIZE_HI	0x18
1100 #define PCI_CXL_DEV_RANGE1_SIZE_LO	0x1c
1101 #define  PCI_CXL_RANGE_VALID		0x0001
1102 #define  PCI_CXL_RANGE_ACTIVE		0x0002
1103 #define  PCI_CXL_RANGE_TYPE(x)		(((x) >> 2) & 0x7)
1104 #define  PCI_CXL_RANGE_CLASS(x)		(((x) >> 5) & 0x7)
1105 #define  PCI_CXL_RANGE_INTERLEAVE(x)	(((x) >> 8) & 0x1f)
1106 #define  PCI_CXL_RANGE_TIMEOUT(x)	(((x) >> 13) & 0x7)
1107 #define PCI_CXL_DEV_RANGE1_BASE_HI	0x20
1108 #define PCI_CXL_DEV_RANGE1_BASE_LO	0x24
1109 #define PCI_CXL_DEV_RANGE2_SIZE_HI	0x28
1110 #define PCI_CXL_DEV_RANGE2_SIZE_LO	0x2c
1111 #define PCI_CXL_DEV_RANGE2_BASE_HI	0x30
1112 #define PCI_CXL_DEV_RANGE2_BASE_LO	0x34
1113 
1114 /* PCIe CXL 2.0 Designated Vendor-Specific Capabilities for Ports */
1115 #define PCI_CXL_PORT_EXT_LEN 0x28 /* CXL Extensions DVSEC for Ports Length */
1116 #define PCI_CXL_PORT_EXT_STATUS 0x0a		/* Port Extension Status */
1117 #define  PCI_CXL_PORT_PM_INIT_COMPLETE 0x1	/* Port Power Management Initialization Complete */
1118 #define PCI_CXL_PORT_CTRL 0x0c			/* Port Control Override */
1119 #define  PCI_CXL_PORT_UNMASK_SBR 0x0001		/* Unmask SBR */
1120 #define  PCI_CXL_PORT_UNMASK_LINK 0x0002	/* Unmask Link Disable */
1121 #define  PCI_CXL_PORT_ALT_MEMORY 0x0004		/* Alt Memory and ID Space Enable */
1122 #define  PCI_CXL_PORT_ALT_BME 0x0008		/* Alt BME */
1123 #define  PCI_CXL_PORT_VIRAL_EN 0x4000		/* Viral Enable */
1124 #define PCI_CXL_PORT_ALT_BUS_BASE 0xe
1125 #define PCI_CXL_PORT_ALT_BUS_LIMIT 0xf
1126 #define PCI_CXL_PORT_ALT_MEM_BASE 0x10
1127 #define PCI_CXL_PORT_ALT_MEM_LIMIT 0x12
1128 
1129 /* PCIe CXL 2.0 Designated Vendor-Specific Capabilities for Register Locator */
1130 #define PCI_CXL_RL_BLOCK1_LO 0x0c
1131 
1132 /* PCIe CXL Designated Vendor-Specific Capabilities for Global Persistent Flush */
1133 #define PCI_CXL_GPF_DEV_LEN         0x10
1134 #define PCI_CXL_GPF_DEV_PHASE2_DUR  0x0a /* GPF Phase 2 Duration Register */
1135 #define PCI_CXL_GPF_DEV_PHASE2_POW  0x0c /* GPF Phase 2 Power Register */
1136 #define PCI_CXL_GPF_DEV_1US     0x0
1137 #define PCI_CXL_GPF_DEV_10US    0x1
1138 #define PCI_CXL_GPF_DEV_100US   0x2
1139 #define PCI_CXL_GPF_DEV_1MS     0x3
1140 #define PCI_CXL_GPF_DEV_10MS    0x4
1141 #define PCI_CXL_GPF_DEV_100MS   0x5
1142 #define PCI_CXL_GPF_DEV_1S      0x6
1143 #define PCI_CXL_GPF_DEV_10S     0x7
1144 #define PCI_CXL_GPF_PORT_LEN    0x10
1145 #define PCI_CXL_GPF_PORT_PHASE1_CTRL  0x0c /* GPF Phase 1 Control Register */
1146 #define PCI_CXL_GPF_PORT_PHASE2_CTRL 0x0e /* GPF Phase 2 Control Register */
1147 #define PCI_CXL_GPF_PORT_1US     0x0
1148 #define PCI_CXL_GPF_PORT_10US    0x1
1149 #define PCI_CXL_GPF_PORT_100US   0x2
1150 #define PCI_CXL_GPF_PORT_1MS     0x3
1151 #define PCI_CXL_GPF_PORT_10MS    0x4
1152 #define PCI_CXL_GPF_PORT_100MS   0x5
1153 #define PCI_CXL_GPF_PORT_1S      0x6
1154 #define PCI_CXL_GPF_PORT_10S     0x7
1155 
1156 /* PCIe CXL Designated Vendor-Specific Capabilities for Flex Bus Port */
1157 #define PCI_CXL_FB_LEN                0x20
1158 #define PCI_CXL_FB_PORT_CAP           0x0a    /* CXL Flex Bus Port Capability Register */
1159 #define  PCI_CXL_FB_CAP_CACHE         0x0001  /* CXL.cache Capable */
1160 #define  PCI_CXL_FB_CAP_IO            0x0002  /* CXL.io Capable */
1161 #define  PCI_CXL_FB_CAP_MEM           0x0004  /* CXL.mem Capable */
1162 #define  PCI_CXL_FB_CAP_68B_FLIT      0x0020  /* CXL 68B Flit and VH Capable */
1163 #define  PCI_CXL_FB_CAP_MULT_LOG_DEV  0x0040  /* CXL Multi-Logical Device Capable */
1164 #define  PCI_CXL_FB_CAP_256B_FLIT     0x2000  /* CXL Latency Optimized 256B Flit Capable */
1165 #define  PCI_CXL_FB_CAP_PBR_FLIT      0x4000  /* CXL PBR Flit Capable */
1166 #define PCI_CXL_FB_PORT_CTRL            0x0c    /* CXL Flex Bus Port Control Register */
1167 #define  PCI_CXL_FB_CTRL_CACHE          0x0001  /* CXL.cache Enable */
1168 #define  PCI_CXL_FB_CTRL_IO             0x0002  /* CXL.io Enable */
1169 #define  PCI_CXL_FB_CTRL_MEM            0x0004  /* CXL.mem Enable */
1170 #define  PCI_CXL_FB_CTRL_SYNC_HDR_BYP   0x0008  /* CXL Sync Header Bypass Enable */
1171 #define  PCI_CXL_FB_CTRL_DRFT_BUF       0x0010  /* Drift Buffer Enable */
1172 #define  PCI_CXL_FB_CTRL_68B_FLIT       0x0020  /* CXL 68B Flit and VH Enable */
1173 #define  PCI_CXL_FB_CTRL_MULT_LOG_DEV   0x0040  /* CXL Multi Logical Device Enable */
1174 #define  PCI_CXL_FB_CTRL_RCD            0x0080  /* Disable RCD Training */
1175 #define  PCI_CXL_FB_CTRL_RETIMER1       0x0100  /* Retimer1 Present */
1176 #define  PCI_CXL_FB_CTRL_RETIMER2       0x0200  /* Retimer2 Present */
1177 #define  PCI_CXL_FB_CTRL_256B_FLIT      0x2000  /* CXL Latency Optimized 256B Flit Enable */
1178 #define  PCI_CXL_FB_CTRL_PBR_FLIT       0x4000  /* CXL PBR Flit Enable */
1179 #define PCI_CXL_FB_PORT_STATUS            0x0e    /* CXL Flex Bus Port Status Register */
1180 #define  PCI_CXL_FB_STAT_CACHE            0x0001  /* CXL.cache Enabled */
1181 #define  PCI_CXL_FB_STAT_IO               0x0002  /* CXL.io Enabled */
1182 #define  PCI_CXL_FB_STAT_MEM              0x0004  /* CXL.mem Enabled */
1183 #define  PCI_CXL_FB_STAT_SYNC_HDR_BYP     0x0008  /* CXL Sync Header Bypass Enabled */
1184 #define  PCI_CXL_FB_STAT_DRFT_BUF         0x0010  /* Drift Buffer Enabled */
1185 #define  PCI_CXL_FB_STAT_68B_FLIT         0x0020  /* CXL 68B Flit and VH Enabled */
1186 #define  PCI_CXL_FB_STAT_MULT_LOG_DEV     0x0040  /* CXL Multi Logical Device Enabled */
1187 #define  PCI_CXL_FB_STAT_256B_FLIT        0x2000  /* CXL Latency Optimized 256B Flit Enabled */
1188 #define  PCI_CXL_FB_STAT_PBR_FLIT         0x4000  /* CXL PBR Flit Enabled */
1189 #define PCI_CXL_FB_MOD_TS_DATA              0x10    /* CXL Flex Bus Port Received Modified TS Data Phase1 Register */
1190 #define PCI_CXL_FB_PORT_CAP2                0x14    /* CXL Flex Bus Port Capability2 Register */
1191 #define  PCI_CXL_FB_CAP2_NOP_HINT           0x01    /* NOP Hint Capable */
1192 #define PCI_CXL_FB_PORT_CTRL2               0x18    /* CXL Flex Bus Port Control2 Register */
1193 #define  PCI_CXL_FB_CTRL2_NOP_HINT          0x01    /* NOP Hint Enable */
1194 #define PCI_CXL_FB_PORT_STATUS2             0x1c    /* CXL Flex Bus Port Status2 Register */
1195 
1196 /* PCIe CXL Designated Vendor-Specific Capabilities for Multi-Logical Device */
1197 #define PCI_CXL_MLD_LEN     0x10
1198 #define PCI_CXL_MLD_NUM_LD  0xa
1199 #define PCI_CXL_MLD_MAX_LD  0x10
1200 
1201 /* PCIe CXL Designated Vendor-Specific Capabilities for Non-CXL Function Map */
1202 #define PCI_CXL_FUN_MAP_LEN     0x2c
1203 #define PCI_CXL_FUN_MAP_REG_0   0x0c
1204 #define PCI_CXL_FUN_MAP_REG_1   0x10
1205 #define PCI_CXL_FUN_MAP_REG_2   0x14
1206 #define PCI_CXL_FUN_MAP_REG_3   0x18
1207 #define PCI_CXL_FUN_MAP_REG_4   0x1c
1208 #define PCI_CXL_FUN_MAP_REG_5   0x20
1209 #define PCI_CXL_FUN_MAP_REG_6   0x24
1210 #define PCI_CXL_FUN_MAP_REG_7   0x28
1211 
1212 /* Access Control Services */
1213 #define PCI_ACS_CAP		0x04	/* ACS Capability Register */
1214 #define PCI_ACS_CAP_VALID	0x0001	/* ACS Source Validation */
1215 #define PCI_ACS_CAP_BLOCK	0x0002	/* ACS Translation Blocking */
1216 #define PCI_ACS_CAP_REQ_RED	0x0004	/* ACS P2P Request Redirect */
1217 #define PCI_ACS_CAP_CMPLT_RED	0x0008	/* ACS P2P Completion Redirect */
1218 #define PCI_ACS_CAP_FORWARD	0x0010	/* ACS Upstream Forwarding */
1219 #define PCI_ACS_CAP_EGRESS	0x0020	/* ACS P2P Egress Control */
1220 #define PCI_ACS_CAP_TRANS	0x0040	/* ACS Direct Translated P2P */
1221 #define PCI_ACS_CAP_VECTOR(x)	(((x) >> 8) & 0xff) /* Egress Control Vector Size */
1222 #define PCI_ACS_CTRL		0x06	/* ACS Control Register */
1223 #define PCI_ACS_CTRL_VALID	0x0001	/* ACS Source Validation Enable */
1224 #define PCI_ACS_CTRL_BLOCK	0x0002	/* ACS Translation Blocking Enable */
1225 #define PCI_ACS_CTRL_REQ_RED	0x0004	/* ACS P2P Request Redirect Enable */
1226 #define PCI_ACS_CTRL_CMPLT_RED	0x0008	/* ACS P2P Completion Redirect Enable */
1227 #define PCI_ACS_CTRL_FORWARD	0x0010	/* ACS Upstream Forwarding Enable */
1228 #define PCI_ACS_CTRL_EGRESS	0x0020	/* ACS P2P Egress Control Enable */
1229 #define PCI_ACS_CTRL_TRANS	0x0040	/* ACS Direct Translated P2P Enable */
1230 #define PCI_ACS_EGRESS_CTRL	0x08	/* Egress Control Vector */
1231 
1232 /* Alternative Routing-ID Interpretation */
1233 #define PCI_ARI_CAP		0x04	/* ARI Capability Register */
1234 #define  PCI_ARI_CAP_MFVC	0x0001	/* MFVC Function Groups Capability */
1235 #define  PCI_ARI_CAP_ACS	0x0002	/* ACS Function Groups Capability */
1236 #define  PCI_ARI_CAP_NFN(x)	(((x) >> 8) & 0xff) /* Next Function Number */
1237 #define PCI_ARI_CTRL		0x06	/* ARI Control Register */
1238 #define  PCI_ARI_CTRL_MFVC	0x0001	/* MFVC Function Groups Enable */
1239 #define  PCI_ARI_CTRL_ACS	0x0002	/* ACS Function Groups Enable */
1240 #define  PCI_ARI_CTRL_FG(x)	(((x) >> 4) & 7) /* Function Group */
1241 
1242 /* Address Translation Service */
1243 #define PCI_ATS_CAP		0x04	/* ATS Capability Register */
1244 #define  PCI_ATS_CAP_IQD(x)	((x) & 0x1f) /* Invalidate Queue Depth */
1245 #define PCI_ATS_CTRL		0x06	/* ATS Control Register */
1246 #define  PCI_ATS_CTRL_STU(x)	((x) & 0x1f) /* Smallest Translation Unit */
1247 #define  PCI_ATS_CTRL_ENABLE	0x8000	/* ATS Enable */
1248 
1249 /* Single Root I/O Virtualization */
1250 #define PCI_IOV_CAP		0x04	/* SR-IOV Capability Register */
1251 #define  PCI_IOV_CAP_VFM	0x00000001 /* VF Migration Capable */
1252 #define  PCI_IOV_CAP_VF_10BIT_TAG_REQ 0x00000004 /* VF 10-Bit Tag Requester Supported */
1253 #define  PCI_IOV_CAP_IMN(x)	((x) >> 21) /* VF Migration Interrupt Message Number */
1254 #define PCI_IOV_CTRL		0x08	/* SR-IOV Control Register */
1255 #define  PCI_IOV_CTRL_VFE	0x0001	/* VF Enable */
1256 #define  PCI_IOV_CTRL_VFME	0x0002	/* VF Migration Enable */
1257 #define  PCI_IOV_CTRL_VFMIE	0x0004	/* VF Migration Interrupt Enable */
1258 #define  PCI_IOV_CTRL_MSE	0x0008	/* VF MSE */
1259 #define  PCI_IOV_CTRL_ARI	0x0010	/* ARI Capable Hierarchy */
1260 #define  PCI_IOV_CTRL_VF_10BIT_TAG_REQ_EN 0x0020 /* VF 10-Bit Tag Requester Enable */
1261 #define PCI_IOV_STATUS		0x0a	/* SR-IOV Status Register */
1262 #define  PCI_IOV_STATUS_MS	0x0001	/* VF Migration Status */
1263 #define PCI_IOV_INITIALVF	0x0c	/* Number of VFs that are initially associated */
1264 #define PCI_IOV_TOTALVF		0x0e	/* Maximum number of VFs that could be associated */
1265 #define PCI_IOV_NUMVF		0x10	/* Number of VFs that are available */
1266 #define PCI_IOV_FDL		0x12	/* Function Dependency Link */
1267 #define PCI_IOV_OFFSET		0x14	/* First VF Offset */
1268 #define PCI_IOV_STRIDE		0x16	/* Routing ID offset from one VF to the next one */
1269 #define PCI_IOV_DID		0x1a	/* VF Device ID */
1270 #define PCI_IOV_SUPPS		0x1c	/* Supported Page Sizes */
1271 #define PCI_IOV_SYSPS		0x20	/* System Page Size */
1272 #define PCI_IOV_BAR_BASE	0x24	/* VF BAR0, VF BAR1, ... VF BAR5 */
1273 #define PCI_IOV_NUM_BAR		6	/* Number of VF BARs */
1274 #define PCI_IOV_MSAO		0x3c	/* VF Migration State Array Offset */
1275 #define PCI_IOV_MSA_BIR(x)	((x) & 7) /* VF Migration State BIR */
1276 #define PCI_IOV_MSA_OFFSET(x)	((x) & 0xfffffff8) /* VF Migration State Offset */
1277 
1278 /* Multicast */
1279 #define PCI_MCAST_CAP		0x04	/* Multicast Capability */
1280 #define  PCI_MCAST_CAP_MAX_GROUP(x) ((x) & 0x3f)
1281 #define  PCI_MCAST_CAP_WIN_SIZE(x) (((x) >> 8) & 0x3f)
1282 #define  PCI_MCAST_CAP_ECRC	0x8000	/* ECRC Regeneration Supported */
1283 #define PCI_MCAST_CTRL		0x06	/* Multicast Control */
1284 #define  PCI_MCAST_CTRL_NUM_GROUP(x) ((x) & 0x3f)
1285 #define  PCI_MCAST_CTRL_ENABLE	0x8000	/* MC Enabled */
1286 #define PCI_MCAST_BAR		0x08	/* Base Address */
1287 #define  PCI_MCAST_BAR_INDEX_POS(x)	((u32) ((x) & 0x3f))
1288 #define  PCI_MCAST_BAR_MASK	(~0xfffUL)
1289 #define PCI_MCAST_RCV		0x10	/* Receive */
1290 #define PCI_MCAST_BLOCK		0x18	/* Block All */
1291 #define PCI_MCAST_BLOCK_UNTRANS	0x20	/* Block Untranslated */
1292 #define PCI_MCAST_OVL_BAR	0x28	/* Overlay BAR */
1293 #define  PCI_MCAST_OVL_SIZE(x)	((u32) ((x) & 0x3f))
1294 #define  PCI_MCAST_OVL_MASK	(~0x3fUL)
1295 
1296 /* Page Request Interface */
1297 #define PCI_PRI_CTRL		0x04	/* PRI Control Register */
1298 #define  PCI_PRI_CTRL_ENABLE	0x01	/* Enable */
1299 #define  PCI_PRI_CTRL_RESET	0x02	/* Reset */
1300 #define PCI_PRI_STATUS		0x06	/* PRI status register */
1301 #define  PCI_PRI_STATUS_RF	0x001	/* Response Failure */
1302 #define  PCI_PRI_STATUS_UPRGI	0x002	/* Unexpected PRG index */
1303 #define  PCI_PRI_STATUS_STOPPED	0x100	/* PRI Stopped */
1304 #define PCI_PRI_MAX_REQ		0x08	/* PRI max reqs supported */
1305 #define PCI_PRI_ALLOC_REQ	0x0c	/* PRI max reqs allowed */
1306 
1307 /* Transaction Processing Hints */
1308 #define PCI_TPH_CAPABILITIES	4
1309 #define   PCI_TPH_INTVEC_SUP	(1<<1)	/* Supports interrupt vector mode */
1310 #define   PCI_TPH_DEV_SUP      	(1<<2)	/* Device specific mode supported */
1311 #define   PCI_TPH_EXT_REQ_SUP	(1<<8)	/* Supports extended requests */
1312 #define   PCI_TPH_ST_LOC_MASK	(3<<9)	/* Steering table location bits */
1313 #define     PCI_TPH_ST_NONE	(0<<9)	/* No steering table */
1314 #define     PCI_TPH_ST_CAP	(1<<9)	/* Steering table in TPH cap */
1315 #define     PCI_TPH_ST_MSIX	(2<<9)	/* Steering table in MSI-X table */
1316 #define   PCI_TPH_ST_SIZE_SHIFT	(16)	/* Encoded as size - 1 */
1317 
1318 /* Latency Tolerance Reporting */
1319 #define PCI_LTR_MAX_SNOOP	4	/* 16 bit value */
1320 #define   PCI_LTR_VALUE_MASK	(0x3ff)
1321 #define   PCI_LTR_SCALE_SHIFT	(10)
1322 #define   PCI_LTR_SCALE_MASK	(7)
1323 #define PCI_LTR_MAX_NOSNOOP	6	/* 16 bit value */
1324 
1325 /* Secondary PCI Express Extended Capability */
1326 #define PCI_SEC_LNKCTL3		4	/* Link Control 3 register */
1327 #define  PCI_SEC_LNKCTL3_PERFORM_LINK_EQU	0x01
1328 #define  PCI_SEC_LNKCTL3_LNK_EQU_REQ_INTR_EN	0x02
1329 #define  PCI_SEC_LNKCTL3_ENBL_LOWER_SKP_OS_GEN_VEC(x) ((x >> 8) & 0x7F)
1330 #define PCI_SEC_LANE_ERR	8	/* Lane Error status register */
1331 #define PCI_SEC_LANE_EQU_CTRL	12	/* Lane Equalization control register */
1332 
1333 /* Process Address Space ID */
1334 #define PCI_PASID_CAP		0x04	/* PASID feature register */
1335 #define  PCI_PASID_CAP_EXEC	0x02	/* Exec permissions Supported */
1336 #define  PCI_PASID_CAP_PRIV	0x04	/* Privilege Mode Supported */
1337 #define  PCI_PASID_CAP_WIDTH(x) (((x) >> 8) & 0x1f) /* Max PASID Width */
1338 #define PCI_PASID_CTRL		0x06	/* PASID control register */
1339 #define  PCI_PASID_CTRL_ENABLE	0x01	/* Enable bit */
1340 #define  PCI_PASID_CTRL_EXEC	0x02	/* Exec permissions Enable */
1341 #define  PCI_PASID_CTRL_PRIV	0x04	/* Privilege Mode Enable */
1342 
1343 #define PCI_DPC_CAP		4	/* DPC Capability */
1344 #define  PCI_DPC_CAP_INT_MSG(x) ((x) & 0x1f)	/* DPC Interrupt Message Number */
1345 #define  PCI_DPC_CAP_RP_EXT	0x20		/* DPC Root Port Extensions */
1346 #define  PCI_DPC_CAP_TLP_BLOCK	0x40		/* DPC Poisoned TLP Egress Blocking */
1347 #define  PCI_DPC_CAP_SW_TRIGGER	0x80		/* DPC Software Trigger */
1348 #define  PCI_DPC_CAP_RP_LOG(x)	(((x) >> 8) & 0xf) /* DPC RP PIO Log Size */
1349 #define  PCI_DPC_CAP_DL_ACT_ERR	0x1000		/* DPC DL_Active ERR_COR Signal */
1350 #define PCI_DPC_CTL		6	/* DPC Control */
1351 #define  PCI_DPC_CTL_TRIGGER(x) ((x) & 0x3)	/* DPC Trigger Enable */
1352 #define  PCI_DPC_CTL_CMPL	0x4		/* DPC Completion Control */
1353 #define  PCI_DPC_CTL_INT	0x8		/* DPC Interrupt Enabled */
1354 #define  PCI_DPC_CTL_ERR_COR	0x10		/* DPC ERR_COR Enabled */
1355 #define  PCI_DPC_CTL_TLP	0x20		/* DPC Poisoned TLP Egress Blocking Enabled */
1356 #define  PCI_DPC_CTL_SW_TRIGGER	0x40		/* DPC Software Trigger */
1357 #define  PCI_DPC_CTL_DL_ACTIVE	0x80		/* DPC DL_Active ERR_COR Enable */
1358 #define PCI_DPC_STATUS		8	/* DPC STATUS */
1359 #define  PCI_DPC_STS_TRIGGER	0x01		/* DPC Trigger Status */
1360 #define  PCI_DPC_STS_REASON(x) (((x) >> 1) & 0x3) /* DPC Trigger Reason */
1361 #define  PCI_DPC_STS_INT	0x08		/* DPC Interrupt Status */
1362 #define  PCI_DPC_STS_RP_BUSY	0x10		/* DPC Root Port Busy */
1363 #define  PCI_DPC_STS_TRIGGER_EXT(x) (((x) >> 5) & 0x3) /* Trigger Reason Extension */
1364 #define  PCI_DPC_STS_PIO_FEP(x) (((x) >> 8) & 0x1f) /* DPC PIO First Error Pointer */
1365 #define PCI_DPC_SOURCE		10	/* DPC Source ID */
1366 
1367 /* L1 PM Substates Extended Capability */
1368 #define PCI_L1PM_SUBSTAT_CAP	0x4	/* L1 PM Substate Capability */
1369 #define  PCI_L1PM_SUBSTAT_CAP_PM_L12	0x1	/* PCI-PM L1.2 Supported */
1370 #define  PCI_L1PM_SUBSTAT_CAP_PM_L11	0x2	/* PCI-PM L1.1 Supported */
1371 #define  PCI_L1PM_SUBSTAT_CAP_ASPM_L12	0x4	/* ASPM L1.2 Supported */
1372 #define  PCI_L1PM_SUBSTAT_CAP_ASPM_L11	0x8	/* ASPM L1.1 Supported */
1373 #define  PCI_L1PM_SUBSTAT_CAP_L1PM_SUPP	0x10	/* L1 PM Substates supported */
1374 #define PCI_L1PM_SUBSTAT_CTL1	0x8	/* L1 PM Substate Control 1 */
1375 #define  PCI_L1PM_SUBSTAT_CTL1_PM_L12	0x1	/* PCI-PM L1.2 Enable */
1376 #define  PCI_L1PM_SUBSTAT_CTL1_PM_L11	0x2	/* PCI-PM L1.1 Enable */
1377 #define  PCI_L1PM_SUBSTAT_CTL1_ASPM_L12	0x4	/* ASPM L1.2 Enable */
1378 #define  PCI_L1PM_SUBSTAT_CTL1_ASPM_L11	0x8	/* ASPM L1.1 Enable */
1379 #define PCI_L1PM_SUBSTAT_CTL2	0xC	/* L1 PM Substate Control 2 */
1380 
1381 /* Data Object Exchange Extended Capability */
1382 #define PCI_DOE_CAP		0x4	/* DOE Capabilities Register */
1383 #define  PCI_DOE_CAP_INT_SUPP		0x1	/* Interrupt Support */
1384 #define  PCI_DOE_CAP_INT_MSG(x) (((x) >> 1) & 0x7ff) /* DOE Interrupt Message Number */
1385 #define PCI_DOE_CTL		0x8	/* DOE Control Register */
1386 #define  PCI_DOE_CTL_ABORT		0x1	/* DOE Abort */
1387 #define  PCI_DOE_CTL_INT		0x2	/* DOE Interrupt Enable */
1388 #define  PCI_DOE_CTL_GO			0x80000000 /* DOE Go */
1389 #define PCI_DOE_STS		0xC	/* DOE Status Register */
1390 #define  PCI_DOE_STS_BUSY		0x1	/* DOE Busy */
1391 #define  PCI_DOE_STS_INT		0x2	/* DOE Interrupt Status */
1392 #define  PCI_DOE_STS_ERROR		0x3	/* DOE Error */
1393 #define  PCI_DOE_STS_OBJECT_READY	0x80000000 /* Data Object Ready */
1394 
1395 /*
1396  * The PCI interface treats multi-function devices as independent
1397  * devices.  The slot/function address of each device is encoded
1398  * in a single byte as follows:
1399  *
1400  *	7:3 = slot
1401  *	2:0 = function
1402  */
1403 #define PCI_DEVFN(slot,func)	((((slot) & 0x1f) << 3) | ((func) & 0x07))
1404 #define PCI_SLOT(devfn)		(((devfn) >> 3) & 0x1f)
1405 #define PCI_FUNC(devfn)		((devfn) & 0x07)
1406 
1407 /* Device classes and subclasses */
1408 
1409 #define PCI_CLASS_NOT_DEFINED		0x0000
1410 #define PCI_CLASS_NOT_DEFINED_VGA	0x0001
1411 
1412 #define PCI_BASE_CLASS_STORAGE		0x01
1413 #define PCI_CLASS_STORAGE_SCSI		0x0100
1414 #define PCI_CLASS_STORAGE_IDE		0x0101
1415 #define PCI_CLASS_STORAGE_FLOPPY	0x0102
1416 #define PCI_CLASS_STORAGE_IPI		0x0103
1417 #define PCI_CLASS_STORAGE_RAID		0x0104
1418 #define PCI_CLASS_STORAGE_ATA		0x0105
1419 #define PCI_CLASS_STORAGE_SATA		0x0106
1420 #define PCI_CLASS_STORAGE_SAS		0x0107
1421 #define PCI_CLASS_STORAGE_OTHER		0x0180
1422 
1423 #define PCI_BASE_CLASS_NETWORK		0x02
1424 #define PCI_CLASS_NETWORK_ETHERNET	0x0200
1425 #define PCI_CLASS_NETWORK_TOKEN_RING	0x0201
1426 #define PCI_CLASS_NETWORK_FDDI		0x0202
1427 #define PCI_CLASS_NETWORK_ATM		0x0203
1428 #define PCI_CLASS_NETWORK_ISDN		0x0204
1429 #define PCI_CLASS_NETWORK_OTHER		0x0280
1430 
1431 #define PCI_BASE_CLASS_DISPLAY		0x03
1432 #define PCI_CLASS_DISPLAY_VGA		0x0300
1433 #define PCI_CLASS_DISPLAY_XGA		0x0301
1434 #define PCI_CLASS_DISPLAY_3D		0x0302
1435 #define PCI_CLASS_DISPLAY_OTHER		0x0380
1436 
1437 #define PCI_BASE_CLASS_MULTIMEDIA	0x04
1438 #define PCI_CLASS_MULTIMEDIA_VIDEO	0x0400
1439 #define PCI_CLASS_MULTIMEDIA_AUDIO	0x0401
1440 #define PCI_CLASS_MULTIMEDIA_PHONE	0x0402
1441 #define PCI_CLASS_MULTIMEDIA_AUDIO_DEV	0x0403
1442 #define PCI_CLASS_MULTIMEDIA_OTHER	0x0480
1443 
1444 #define PCI_BASE_CLASS_MEMORY		0x05
1445 #define  PCI_CLASS_MEMORY_RAM		0x0500
1446 #define  PCI_CLASS_MEMORY_FLASH		0x0501
1447 #define  PCI_CLASS_MEMORY_OTHER		0x0580
1448 
1449 #define PCI_BASE_CLASS_BRIDGE		0x06
1450 #define  PCI_CLASS_BRIDGE_HOST		0x0600
1451 #define  PCI_CLASS_BRIDGE_ISA		0x0601
1452 #define  PCI_CLASS_BRIDGE_EISA		0x0602
1453 #define  PCI_CLASS_BRIDGE_MC		0x0603
1454 #define  PCI_CLASS_BRIDGE_PCI		0x0604
1455 #define  PCI_CLASS_BRIDGE_PCMCIA	0x0605
1456 #define  PCI_CLASS_BRIDGE_NUBUS		0x0606
1457 #define  PCI_CLASS_BRIDGE_CARDBUS	0x0607
1458 #define  PCI_CLASS_BRIDGE_RACEWAY	0x0608
1459 #define  PCI_CLASS_BRIDGE_PCI_SEMI	0x0609
1460 #define  PCI_CLASS_BRIDGE_IB_TO_PCI	0x060a
1461 #define  PCI_CLASS_BRIDGE_OTHER		0x0680
1462 
1463 #define PCI_BASE_CLASS_COMMUNICATION	0x07
1464 #define PCI_CLASS_COMMUNICATION_SERIAL	0x0700
1465 #define PCI_CLASS_COMMUNICATION_PARALLEL 0x0701
1466 #define PCI_CLASS_COMMUNICATION_MSERIAL	0x0702
1467 #define PCI_CLASS_COMMUNICATION_MODEM	0x0703
1468 #define PCI_CLASS_COMMUNICATION_OTHER	0x0780
1469 
1470 #define PCI_BASE_CLASS_SYSTEM		0x08
1471 #define PCI_CLASS_SYSTEM_PIC		0x0800
1472 #define PCI_CLASS_SYSTEM_DMA		0x0801
1473 #define PCI_CLASS_SYSTEM_TIMER		0x0802
1474 #define PCI_CLASS_SYSTEM_RTC		0x0803
1475 #define PCI_CLASS_SYSTEM_PCI_HOTPLUG	0x0804
1476 #define PCI_CLASS_SYSTEM_OTHER		0x0880
1477 
1478 #define PCI_BASE_CLASS_INPUT		0x09
1479 #define PCI_CLASS_INPUT_KEYBOARD	0x0900
1480 #define PCI_CLASS_INPUT_PEN		0x0901
1481 #define PCI_CLASS_INPUT_MOUSE		0x0902
1482 #define PCI_CLASS_INPUT_SCANNER		0x0903
1483 #define PCI_CLASS_INPUT_GAMEPORT	0x0904
1484 #define PCI_CLASS_INPUT_OTHER		0x0980
1485 
1486 #define PCI_BASE_CLASS_DOCKING		0x0a
1487 #define PCI_CLASS_DOCKING_GENERIC	0x0a00
1488 #define PCI_CLASS_DOCKING_OTHER		0x0a80
1489 
1490 #define PCI_BASE_CLASS_PROCESSOR	0x0b
1491 #define PCI_CLASS_PROCESSOR_386		0x0b00
1492 #define PCI_CLASS_PROCESSOR_486		0x0b01
1493 #define PCI_CLASS_PROCESSOR_PENTIUM	0x0b02
1494 #define PCI_CLASS_PROCESSOR_ALPHA	0x0b10
1495 #define PCI_CLASS_PROCESSOR_POWERPC	0x0b20
1496 #define PCI_CLASS_PROCESSOR_MIPS	0x0b30
1497 #define PCI_CLASS_PROCESSOR_CO		0x0b40
1498 
1499 #define PCI_BASE_CLASS_SERIAL		0x0c
1500 #define PCI_CLASS_SERIAL_FIREWIRE	0x0c00
1501 #define PCI_CLASS_SERIAL_ACCESS		0x0c01
1502 #define PCI_CLASS_SERIAL_SSA		0x0c02
1503 #define PCI_CLASS_SERIAL_USB		0x0c03
1504 #define PCI_CLASS_SERIAL_FIBER		0x0c04
1505 #define PCI_CLASS_SERIAL_SMBUS		0x0c05
1506 #define PCI_CLASS_SERIAL_INFINIBAND	0x0c06
1507 
1508 #define PCI_BASE_CLASS_WIRELESS		0x0d
1509 #define PCI_CLASS_WIRELESS_IRDA		0x0d00
1510 #define PCI_CLASS_WIRELESS_CONSUMER_IR	0x0d01
1511 #define PCI_CLASS_WIRELESS_RF		0x0d10
1512 #define PCI_CLASS_WIRELESS_OTHER	0x0d80
1513 
1514 #define PCI_BASE_CLASS_INTELLIGENT	0x0e
1515 #define PCI_CLASS_INTELLIGENT_I2O	0x0e00
1516 
1517 #define PCI_BASE_CLASS_SATELLITE	0x0f
1518 #define PCI_CLASS_SATELLITE_TV		0x0f00
1519 #define PCI_CLASS_SATELLITE_AUDIO	0x0f01
1520 #define PCI_CLASS_SATELLITE_VOICE	0x0f03
1521 #define PCI_CLASS_SATELLITE_DATA	0x0f04
1522 
1523 #define PCI_BASE_CLASS_CRYPT		0x10
1524 #define PCI_CLASS_CRYPT_NETWORK		0x1000
1525 #define PCI_CLASS_CRYPT_ENTERTAINMENT	0x1010
1526 #define PCI_CLASS_CRYPT_OTHER		0x1080
1527 
1528 #define PCI_BASE_CLASS_SIGNAL		0x11
1529 #define PCI_CLASS_SIGNAL_DPIO		0x1100
1530 #define PCI_CLASS_SIGNAL_PERF_CTR	0x1101
1531 #define PCI_CLASS_SIGNAL_SYNCHRONIZER	0x1110
1532 #define PCI_CLASS_SIGNAL_OTHER		0x1180
1533 
1534 #define PCI_CLASS_OTHERS		0xff
1535 
1536 /* Several ID's we need in the library */
1537 
1538 #define PCI_VENDOR_ID_INTEL		0x8086
1539 #define PCI_VENDOR_ID_COMPAQ		0x0e11
1540 
1541 /* I/O resource flags, compatible with <include/linux/ioport.h> */
1542 
1543 #define PCI_IORESOURCE_TYPE_BITS	0x00001f00
1544 #define PCI_IORESOURCE_IO		0x00000100
1545 #define PCI_IORESOURCE_MEM		0x00000200
1546 #define PCI_IORESOURCE_PREFETCH		0x00002000
1547 #define PCI_IORESOURCE_MEM_64		0x00100000
1548 #define PCI_IORESOURCE_IO_16BIT_ADDR	(1<<0)
1549 #define PCI_IORESOURCE_PCI_EA_BEI	(1<<5)
1550