2 * Copyright (c) 2007 Yahoo!, Inc.
4 * Written by: John Baldwin <jhb@FreeBSD.org>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. Neither the name of the author nor the names of any co-contributors
15 * may be used to endorse or promote products derived from this software
16 * without specific prior written permission.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * $FreeBSD: src/usr.sbin/pciconf/cap.c,v 1.2.2.2.6.1 2009/04/15 03:14:26 kensmith Exp $
33 #include <sys/types.h>
37 #include <sys/agpio.h>
38 #include <sys/pciio.h>
40 #include <dev/agp/agpreg.h>
41 #include <bus/pci/pcireg.h>
46 cap_power(int fd, struct pci_conf *p, uint8_t ptr)
50 cap = read_config(fd, &p->pc_sel, ptr + PCIR_POWER_CAP, 2);
51 status = read_config(fd, &p->pc_sel, ptr + PCIR_POWER_STATUS, 2);
52 printf("powerspec %d supports D0%s%s D3 current D%d",
54 cap & PCIM_PCAP_D1SUPP ? " D1" : "",
55 cap & PCIM_PCAP_D2SUPP ? " D2" : "",
56 status & PCIM_PSTAT_DMASK);
60 cap_agp(int fd, struct pci_conf *p, uint8_t ptr)
62 uint32_t status, command;
64 status = read_config(fd, &p->pc_sel, ptr + AGP_STATUS, 4);
65 command = read_config(fd, &p->pc_sel, ptr + AGP_CAPID, 4);
67 if (AGP_MODE_GET_MODE_3(status)) {
69 if (AGP_MODE_GET_RATE(status) & AGP_MODE_V3_RATE_8x)
71 if (AGP_MODE_GET_RATE(status) & AGP_MODE_V3_RATE_4x)
74 if (AGP_MODE_GET_RATE(status) & AGP_MODE_V2_RATE_4x)
76 if (AGP_MODE_GET_RATE(status) & AGP_MODE_V2_RATE_2x)
78 if (AGP_MODE_GET_RATE(status) & AGP_MODE_V2_RATE_1x)
81 if (AGP_MODE_GET_SBA(status))
83 if (AGP_MODE_GET_AGP(command)) {
84 printf("enabled at ");
85 if (AGP_MODE_GET_MODE_3(command)) {
87 switch (AGP_MODE_GET_RATE(command)) {
88 case AGP_MODE_V3_RATE_8x:
91 case AGP_MODE_V3_RATE_4x:
96 switch (AGP_MODE_GET_RATE(command)) {
97 case AGP_MODE_V2_RATE_4x:
100 case AGP_MODE_V2_RATE_2x:
103 case AGP_MODE_V2_RATE_1x:
107 if (AGP_MODE_GET_SBA(command))
114 cap_vpd(int fd __unused, struct pci_conf *p __unused, uint8_t ptr __unused)
121 cap_msi(int fd, struct pci_conf *p, uint8_t ptr)
126 ctrl = read_config(fd, &p->pc_sel, ptr + PCIR_MSI_CTRL, 2);
127 msgnum = 1 << ((ctrl & PCIM_MSICTRL_MMC_MASK) >> 1);
128 printf("MSI supports %d message%s%s%s ", msgnum,
129 (msgnum == 1) ? "" : "s",
130 (ctrl & PCIM_MSICTRL_64BIT) ? ", 64 bit" : "",
131 (ctrl & PCIM_MSICTRL_VECTOR) ? ", vector masks" : "");
132 if (ctrl & PCIM_MSICTRL_MSI_ENABLE) {
133 msgnum = 1 << ((ctrl & PCIM_MSICTRL_MME_MASK) >> 4);
134 printf("enabled with %d message%s", msgnum,
135 (msgnum == 1) ? "" : "s");
140 cap_pcix(int fd, struct pci_conf *p, uint8_t ptr)
143 int comma, max_splits = 0, max_burst_read = 0;
145 status = read_config(fd, &p->pc_sel, ptr + PCIXR_STATUS, 4);
147 if (status & PCIXM_STATUS_64BIT)
149 if ((p->pc_hdr & PCIM_HDRTYPE) == 1)
153 if (status & PCIXM_STATUS_133CAP) {
154 printf("%s 133MHz", comma ? "," : "");
157 if (status & PCIXM_STATUS_266CAP) {
158 printf("%s 266MHz", comma ? "," : "");
161 if (status & PCIXM_STATUS_533CAP) {
162 printf("%s 533MHz", comma ? "," : "");
165 if ((p->pc_hdr & PCIM_HDRTYPE) == 1)
167 switch (status & PCIXM_STATUS_MAX_READ) {
168 case PCIXM_STATUS_MAX_READ_512:
169 max_burst_read = 512;
171 case PCIXM_STATUS_MAX_READ_1024:
172 max_burst_read = 1024;
174 case PCIXM_STATUS_MAX_READ_2048:
175 max_burst_read = 2048;
177 case PCIXM_STATUS_MAX_READ_4096:
178 max_burst_read = 4096;
181 switch (status & PCIXM_STATUS_MAX_SPLITS) {
182 case PCIXM_STATUS_MAX_SPLITS_1:
185 case PCIXM_STATUS_MAX_SPLITS_2:
188 case PCIXM_STATUS_MAX_SPLITS_3:
191 case PCIXM_STATUS_MAX_SPLITS_4:
194 case PCIXM_STATUS_MAX_SPLITS_8:
197 case PCIXM_STATUS_MAX_SPLITS_12:
200 case PCIXM_STATUS_MAX_SPLITS_16:
203 case PCIXM_STATUS_MAX_SPLITS_32:
207 printf("%s %d burst read, %d split transaction%s", comma ? "," : "",
208 max_burst_read, max_splits, max_splits == 1 ? "" : "s");
212 cap_ht(int fd, struct pci_conf *p, uint8_t ptr)
217 command = read_config(fd, &p->pc_sel, ptr + PCIR_HT_COMMAND, 2);
219 if ((command & 0xe000) == PCIM_HTCAP_SLAVE)
221 else if ((command & 0xe000) == PCIM_HTCAP_HOST)
224 switch (command & PCIM_HTCMD_CAP_MASK) {
225 case PCIM_HTCAP_SWITCH:
228 case PCIM_HTCAP_INTERRUPT:
231 case PCIM_HTCAP_REVISION_ID:
232 printf("revision ID");
234 case PCIM_HTCAP_UNITID_CLUMPING:
235 printf("unit ID clumping");
237 case PCIM_HTCAP_EXT_CONFIG_SPACE:
238 printf("extended config space");
240 case PCIM_HTCAP_ADDRESS_MAPPING:
241 printf("address mapping");
243 case PCIM_HTCAP_MSI_MAPPING:
244 printf("MSI %saddress window %s at 0x",
245 command & PCIM_HTCMD_MSI_FIXED ? "fixed " : "",
246 command & PCIM_HTCMD_MSI_ENABLE ? "enabled" :
248 if (command & PCIM_HTCMD_MSI_FIXED)
251 reg = read_config(fd, &p->pc_sel,
252 ptr + PCIR_HTMSI_ADDRESS_HI, 4);
255 reg = read_config(fd, &p->pc_sel,
256 ptr + PCIR_HTMSI_ADDRESS_LO, 4);
260 case PCIM_HTCAP_DIRECT_ROUTE:
261 printf("direct route");
263 case PCIM_HTCAP_VCSET:
266 case PCIM_HTCAP_RETRY_MODE:
267 printf("retry mode");
269 case PCIM_HTCAP_X86_ENCODING:
270 printf("X86 encoding");
273 printf("unknown %02x", command);
279 cap_vendor(int fd, struct pci_conf *p, uint8_t ptr)
283 length = read_config(fd, &p->pc_sel, ptr + PCIR_VENDOR_LENGTH, 1);
284 printf("vendor (length %d)", length);
285 if (p->pc_vendor == 0x8086) {
289 version = read_config(fd, &p->pc_sel, ptr + PCIR_VENDOR_DATA,
291 printf(" Intel cap %d version %d", version >> 4, version & 0xf);
292 if (version >> 4 == 1 && length == 12) {
293 /* Feature Detection */
298 fvec = read_config(fd, &p->pc_sel, ptr +
299 PCIR_VENDOR_DATA + 5, 4);
300 printf("\n\t\t features:");
301 if (fvec & (1 << 0)) {
305 fvec = read_config(fd, &p->pc_sel, ptr +
306 PCIR_VENDOR_DATA + 1, 4);
307 if (fvec & (1 << 21)) {
308 printf("%s Quick Resume", comma ? "," : "");
311 if (fvec & (1 << 18)) {
312 printf("%s SATA RAID-5", comma ? "," : "");
315 if (fvec & (1 << 9)) {
316 printf("%s Mobile", comma ? "," : "");
319 if (fvec & (1 << 7)) {
320 printf("%s 6 PCI-e x1 slots", comma ? "," : "");
323 printf("%s 4 PCI-e x1 slots", comma ? "," : "");
326 if (fvec & (1 << 5)) {
327 printf("%s SATA RAID-0/1/10", comma ? "," : "");
330 if (fvec & (1 << 3)) {
331 printf("%s SATA AHCI", comma ? "," : "");
339 cap_debug(int fd, struct pci_conf *p, uint8_t ptr)
343 debug_port = read_config(fd, &p->pc_sel, ptr + PCIR_DEBUG_PORT, 2);
344 printf("EHCI Debug Port at offset 0x%x in map 0x%x", debug_port &
345 PCIM_DEBUG_PORT_OFFSET, PCIR_BAR(debug_port >> 13));
349 cap_subvendor(int fd, struct pci_conf *p, uint8_t ptr)
353 id = read_config(fd, &p->pc_sel, ptr + PCIR_SUBVENDCAP_ID, 4);
354 printf("PCI Bridge card=0x%08x", id);
358 cap_express(int fd, struct pci_conf *p, uint8_t ptr)
362 flags = read_config(fd, &p->pc_sel, ptr + PCIER_CAPABILITY, 2);
363 printf("PCI-Express %d ", flags & PCIEM_CAP_VER_MASK);
364 switch (flags & PCIEM_CAP_PORT_TYPE) {
368 case PCIE_LEG_END_POINT:
369 printf("legacy endpoint");
374 case PCIE_UP_STREAM_PORT:
375 printf("upstream port");
377 case PCIE_DOWN_STREAM_PORT:
378 printf("downstream port");
380 case PCIE_PCIE2PCI_BRIDGE:
381 printf("PCI bridge");
384 printf("type %d", (flags & PCIEM_CAP_PORT_TYPE) >> 8);
390 cap_msix(int fd, struct pci_conf *p, uint8_t ptr)
394 int msgnum, table_bar, pba_bar;
396 ctrl = read_config(fd, &p->pc_sel, ptr + PCIR_MSIX_CTRL, 2);
397 msgnum = (ctrl & PCIM_MSIXCTRL_TABLE_SIZE) + 1;
398 val = read_config(fd, &p->pc_sel, ptr + PCIR_MSIX_TABLE, 4);
399 table_bar = PCIR_BAR(val & PCIM_MSIX_BIR_MASK);
400 val = read_config(fd, &p->pc_sel, ptr + PCIR_MSIX_PBA, 4);
401 pba_bar = PCIR_BAR(val & PCIM_MSIX_BIR_MASK);
402 printf("MSI-X supports %d message%s ", msgnum,
403 (msgnum == 1) ? "" : "s");
404 if (table_bar == pba_bar)
405 printf("in map 0x%x", table_bar);
407 printf("in maps 0x%x and 0x%x", table_bar, pba_bar);
408 if (ctrl & PCIM_MSIXCTRL_MSIX_ENABLE)
413 list_caps(int fd, struct pci_conf *p)
418 /* Are capabilities present for this device? */
419 cmd = read_config(fd, &p->pc_sel, PCIR_STATUS, 2);
420 if (!(cmd & PCIM_STATUS_CAPPRESENT))
423 switch (p->pc_hdr & PCIM_HDRTYPE) {
429 ptr = PCIR_CAP_PTR_2;
432 errx(1, "list_caps: bad header type");
435 /* Walk the capability list. */
436 ptr = read_config(fd, &p->pc_sel, ptr, 1);
437 while (ptr != 0 && ptr != 0xff) {
438 cap = read_config(fd, &p->pc_sel, ptr + PCICAP_ID, 1);
439 printf(" cap %02x[%02x] = ", cap, ptr);
442 cap_power(fd, p, ptr);
454 cap_pcix(fd, p, ptr);
460 cap_vendor(fd, p, ptr);
463 cap_debug(fd, p, ptr);
466 cap_subvendor(fd, p, ptr);
469 cap_express(fd, p, ptr);
472 cap_msix(fd, p, ptr);
479 ptr = read_config(fd, &p->pc_sel, ptr + PCICAP_NEXTPTR, 1);