/*
- * $Id: lspci.c,v 1.37 2000/05/01 21:34:49 mj Exp $
+ * The PCI Utilities -- List All PCI Devices
*
- * Linux PCI Utilities -- List All PCI Devices
+ * Copyright (c) 1997--2020 Martin Mares <mj@ucw.cz>
*
- * Copyright (c) 1997--1999 Martin Mares <mj@atrey.karlin.mff.cuni.cz>
+ * Can be freely distributed and used under the terms of the GNU GPL v2+.
*
- * Can be freely distributed and used under the terms of the GNU GPL.
+ * SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
-#include <unistd.h>
-#include "pciutils.h"
+#include "lspci.h"
/* Options */
-static int verbose; /* Show detailed information */
-static int buscentric_view; /* Show bus addresses/IRQ's instead of CPU-visible ones */
-static int show_hex; /* Show contents of config space as hexadecimal numbers */
-static struct pci_filter filter; /* Device filter */
-static int show_tree; /* Show bus tree */
-static int machine_readable; /* Generate machine-readable output */
-static int map_mode; /* Bus mapping mode enabled */
-
-static char options[] = "nvbxs:d:ti:mgM" GENERIC_OPTIONS ;
-
-static char help_msg[] = "\
-Usage: lspci [<switches>]\n\
-\n\
--v\t\tBe verbose\n\
--n\t\tShow numeric ID's\n\
--b\t\tBus-centric view (PCI addresses and IRQ's instead of those seen by the CPU)\n\
--x\t\tShow hex-dump of config space\n\
--s [[<bus>]:][<slot>][.[<func>]]\tShow only devices in selected slots\n\
--d [<vendor>]:[<device>]\tShow only selected devices\n\
--t\t\tShow bus tree\n\
--m\t\tProduce machine-readable output\n\
--i <file>\tUse specified ID database instead of %s\n\
--M\t\tEnable `bus mapping' mode (dangerous; root only)\n"
-GENERIC_HELP
-;
-
-/* Communication with libpci */
-
-static struct pci_access *pacc;
-
-/* Format strings used for IRQ numbers and memory addresses */
-
-#ifdef ARCH_SPARC64
-#define IRQ_FORMAT "%08x"
-#else
-#define IRQ_FORMAT "%d"
+int verbose; /* Show detailed information */
+static int opt_hex; /* Show contents of config space as hexadecimal numbers */
+struct pci_filter filter; /* Device filter */
+static int opt_filter; /* Any filter was given */
+static int opt_tree; /* Show bus tree */
+static int opt_path; /* Show bridge path */
+static int opt_machine; /* Generate machine-readable output */
+static int opt_map_mode; /* Bus mapping mode enabled */
+static int opt_domains; /* Show domain numbers (0=disabled, 1=auto-detected, 2=requested) */
+static int opt_kernel; /* Show kernel drivers */
+static int opt_query_dns; /* Query the DNS (0=disabled, 1=enabled, 2=refresh cache) */
+static int opt_query_all; /* Query the DNS for all entries */
+char *opt_pcimap; /* Override path to Linux modules.pcimap */
+
+const char program_name[] = "lspci";
+
+static char options[] = "nvbxs:d:tPi:mgp:qkMDQ" GENERIC_OPTIONS ;
+
+static char help_msg[] =
+"Usage: lspci [<switches>]\n"
+"\n"
+"Basic display modes:\n"
+"-mm\t\tProduce machine-readable output (single -m for an obsolete format)\n"
+"-t\t\tShow bus tree\n"
+"\n"
+"Display options:\n"
+"-v\t\tBe verbose (-vv or -vvv for higher verbosity)\n"
+#ifdef PCI_OS_LINUX
+"-k\t\tShow kernel drivers handling each device\n"
#endif
-
-#ifdef HAVE_64BIT_ADDRESS
-#ifdef HAVE_LONG_ADDRESS
-#define ADDR_FORMAT "%016Lx"
-#else
-#define ADDR_FORMAT "%016lx"
-#endif
-#else
-#define ADDR_FORMAT "%08lx"
+"-x\t\tShow hex-dump of the standard part of the config space\n"
+"-xxx\t\tShow hex-dump of the whole config space (dangerous; root only)\n"
+"-xxxx\t\tShow hex-dump of the 4096-byte extended config space (root only)\n"
+"-b\t\tBus-centric view (addresses and IRQ's as seen by the bus)\n"
+"-D\t\tAlways show domain numbers\n"
+"-P\t\tDisplay bridge path in addition to bus and device number\n"
+"-PP\t\tDisplay bus path in addition to bus and device number\n"
+"\n"
+"Resolving of device ID's to names:\n"
+"-n\t\tShow numeric ID's\n"
+"-nn\t\tShow both textual and numeric ID's (names & numbers)\n"
+#ifdef PCI_USE_DNS
+"-q\t\tQuery the PCI ID database for unknown ID's via DNS\n"
+"-qq\t\tAs above, but re-query locally cached entries\n"
+"-Q\t\tQuery the PCI ID database for all ID's via DNS\n"
#endif
-
-#ifdef ARCH_SPARC64
-#define IO_FORMAT "%016Lx"
-#elif defined(HAVE_LONG_ADDRESS)
-#define IO_FORMAT "%04Lx"
-#else
-#define IO_FORMAT "%04lx"
+"\n"
+"Selection of devices:\n"
+"-s [[[[<domain>]:]<bus>]:][<slot>][.[<func>]]\tShow only devices in selected slots\n"
+"-d [<vendor>]:[<device>][:<class>]\t\tShow only devices with specified ID's\n"
+"\n"
+"Other options:\n"
+"-i <file>\tUse specified ID database instead of %s\n"
+#ifdef PCI_OS_LINUX
+"-p <file>\tLook up kernel modules in a given file instead of default modules.pcimap\n"
#endif
+"-M\t\tEnable `bus mapping' mode (dangerous; root only)\n"
+"\n"
+"PCI access options:\n"
+GENERIC_HELP
+;
-/*
- * If we aren't being compiled by GCC, use malloc() instead of alloca().
- * This increases our memory footprint, but only slightly since we don't
- * use alloca() much.
- */
-
-#ifndef __GNUC__
-#define alloca malloc
-#endif
+/*** Our view of the PCI bus ***/
-/* Our view of the PCI bus */
+struct pci_access *pacc;
+struct device *first_dev;
+static int seen_errors;
+static int need_topology;
-struct device {
- struct device *next;
- struct pci_dev *dev;
- unsigned int config_cnt;
- byte config[256];
-};
+int
+config_fetch(struct device *d, unsigned int pos, unsigned int len)
+{
+ unsigned int end = pos+len;
+ int result;
+
+ while (pos < d->config_bufsize && len && d->present[pos])
+ pos++, len--;
+ while (pos+len <= d->config_bufsize && len && d->present[pos+len-1])
+ len--;
+ if (!len)
+ return 1;
-static struct device *first_dev;
+ if (end > d->config_bufsize)
+ {
+ int orig_size = d->config_bufsize;
+ while (end > d->config_bufsize)
+ d->config_bufsize *= 2;
+ d->config = xrealloc(d->config, d->config_bufsize);
+ d->present = xrealloc(d->present, d->config_bufsize);
+ memset(d->present + orig_size, 0, d->config_bufsize - orig_size);
+ }
+ result = pci_read_block(d->dev, pos, d->config + pos, len);
+ if (result)
+ memset(d->present + pos, 1, len);
+ return result;
+}
-static struct device *
+struct device *
scan_device(struct pci_dev *p)
{
- int how_much = (show_hex > 2) ? 256 : 64;
struct device *d;
- if (!pci_filter_match(&filter, p))
+ if (p->domain && !opt_domains)
+ opt_domains = 1;
+ if (!pci_filter_match(&filter, p) && !need_topology)
return NULL;
d = xmalloc(sizeof(struct device));
- bzero(d, sizeof(*d));
+ memset(d, 0, sizeof(*d));
d->dev = p;
- if (!pci_read_block(p, 0, d->config, how_much))
- die("Unable to read %d bytes of configuration space.", how_much);
- if (how_much < 128 && (d->config[PCI_HEADER_TYPE] & 0x7f) == PCI_HEADER_TYPE_CARDBUS)
+ d->no_config_access = p->no_config_access;
+ d->config_cached = d->config_bufsize = 64;
+ d->config = xmalloc(64);
+ d->present = xmalloc(64);
+ memset(d->present, 1, 64);
+ if (!d->no_config_access && !pci_read_block(p, 0, d->config, 64))
{
- /* For cardbus bridges, we need to fetch 64 bytes more to get the full standard header... */
- if (!pci_read_block(p, 64, d->config+64, 64))
- die("Unable to read cardbus bridge extension data.");
- how_much = 128;
+ d->no_config_access = 1;
+ d->config_cached = d->config_bufsize = 0;
+ memset(d->present, 0, 64);
}
- d->config_cnt = how_much;
- pci_setup_cache(p, d->config, d->config_cnt);
- pci_fill_info(p, PCI_FILL_IDENT | PCI_FILL_IRQ | PCI_FILL_BASES | PCI_FILL_ROM_BASE | PCI_FILL_SIZES);
+ if (!d->no_config_access && (d->config[PCI_HEADER_TYPE] & 0x7f) == PCI_HEADER_TYPE_CARDBUS)
+ {
+ /* For cardbus bridges, we need to fetch 64 bytes more to get the
+ * full standard header... */
+ if (config_fetch(d, 64, 64))
+ d->config_cached += 64;
+ }
+ pci_setup_cache(p, d->config, d->config_cached);
+ pci_fill_info(p, PCI_FILL_IDENT | PCI_FILL_CLASS | PCI_FILL_CLASS_EXT | PCI_FILL_SUBSYS | (need_topology ? PCI_FILL_PARENT : 0));
return d;
}
struct pci_dev *p;
pci_scan_bus(pacc);
- for(p=pacc->devices; p; p=p->next)
+ for (p=pacc->devices; p; p=p->next)
if (d = scan_device(p))
{
d->next = first_dev;
}
}
-static int
-check_root(void)
-{
- static int is_root = -1;
+/*** Config space accesses ***/
- if (is_root < 0)
- is_root = !geteuid();
- return is_root;
-}
-
-static int
-config_fetch(struct device *d, unsigned int pos, unsigned int len)
+static void
+check_conf_range(struct device *d, unsigned int pos, unsigned int len)
{
- if (pos + len < d->config_cnt)
- return 1;
- if (pacc->method != PCI_ACCESS_DUMP && !check_root())
- return 0;
- return pci_read_block(d->dev, pos, d->config + pos, len);
+ while (len)
+ if (!d->present[pos])
+ die("Internal bug: Accessing non-read configuration byte at position %x", pos);
+ else
+ pos++, len--;
}
-/* Config space accesses */
-
-static inline byte
+byte
get_conf_byte(struct device *d, unsigned int pos)
{
+ check_conf_range(d, pos, 1);
return d->config[pos];
}
-static word
+word
get_conf_word(struct device *d, unsigned int pos)
{
+ check_conf_range(d, pos, 2);
return d->config[pos] | (d->config[pos+1] << 8);
}
-static u32
+u32
get_conf_long(struct device *d, unsigned int pos)
{
+ check_conf_range(d, pos, 4);
return d->config[pos] |
(d->config[pos+1] << 8) |
(d->config[pos+2] << 16) |
(d->config[pos+3] << 24);
}
-/* Sorting */
+/*** Sorting ***/
static int
compare_them(const void *A, const void *B)
const struct pci_dev *a = (*(const struct device **)A)->dev;
const struct pci_dev *b = (*(const struct device **)B)->dev;
+ if (a->domain < b->domain)
+ return -1;
+ if (a->domain > b->domain)
+ return 1;
if (a->bus < b->bus)
return -1;
if (a->bus > b->bus)
struct device *d;
cnt = 0;
- for(d=first_dev; d; d=d->next)
+ for (d=first_dev; d; d=d->next)
cnt++;
h = index = alloca(sizeof(struct device *) * cnt);
- for(d=first_dev; d; d=d->next)
+ for (d=first_dev; d; d=d->next)
*h++ = d;
qsort(index, cnt, sizeof(struct device *), compare_them);
last_dev = &first_dev;
*last_dev = NULL;
}
-/* Normal output */
+/*** Normal output ***/
+
+static void
+show_slot_path(struct device *d)
+{
+ struct pci_dev *p = d->dev;
+
+ if (opt_path)
+ {
+ struct bus *bus = d->parent_bus;
+ struct bridge *br = bus->parent_bridge;
+
+ if (br && br->br_dev)
+ {
+ show_slot_path(br->br_dev);
+ if (opt_path > 1)
+ printf("/%02x:%02x.%d", p->bus, p->dev, p->func);
+ else
+ printf("/%02x.%d", p->dev, p->func);
+ return;
+ }
+ }
+ printf("%02x:%02x.%d", p->bus, p->dev, p->func);
+}
+
+static void
+show_slot_name(struct device *d)
+{
+ struct pci_dev *p = d->dev;
-#define FLAG(x,y) ((x & y) ? '+' : '-')
+ if (!opt_machine ? opt_domains : (p->domain || opt_domains >= 2))
+ printf("%04x:", p->domain);
+ show_slot_path(d);
+}
static void
show_terse(struct device *d)
{
int c;
struct pci_dev *p = d->dev;
- byte classbuf[128], devbuf[128];
+ char classbuf[256], devbuf[256];
- printf("%02x:%02x.%x %s: %s",
- p->bus,
- p->dev,
- p->func,
+ show_slot_name(d);
+ printf(" %s: %s",
pci_lookup_name(pacc, classbuf, sizeof(classbuf),
PCI_LOOKUP_CLASS,
- get_conf_word(d, PCI_CLASS_DEVICE), 0, 0, 0),
+ p->device_class),
pci_lookup_name(pacc, devbuf, sizeof(devbuf),
PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE,
- p->vendor_id, p->device_id, 0, 0));
- if (c = get_conf_byte(d, PCI_REVISION_ID))
- printf(" (rev %02x)", c);
+ p->vendor_id, p->device_id));
+ if ((p->known_fields & PCI_FILL_CLASS_EXT) && p->rev_id)
+ printf(" (rev %02x)", p->rev_id);
if (verbose)
{
char *x;
- c = get_conf_byte(d, PCI_CLASS_PROG);
+ c = (p->known_fields & PCI_FILL_CLASS_EXT) ? p->prog_if : 0;
x = pci_lookup_name(pacc, devbuf, sizeof(devbuf),
- PCI_LOOKUP_PROGIF,
- get_conf_word(d, PCI_CLASS_DEVICE), c, 0, 0);
+ PCI_LOOKUP_PROGIF | PCI_LOOKUP_NO_NUMBERS,
+ p->device_class, c);
if (c || x)
{
printf(" (prog-if %02x", c);
}
}
putchar('\n');
+
+ if (verbose || opt_kernel)
+ {
+ char ssnamebuf[256];
+
+ pci_fill_info(p, PCI_FILL_LABEL);
+
+ if (p->label)
+ printf("\tDeviceName: %s", p->label);
+ if ((p->known_fields & PCI_FILL_SUBSYS) &&
+ p->subsys_vendor_id && p->subsys_vendor_id != 0xffff)
+ printf("\tSubsystem: %s\n",
+ pci_lookup_name(pacc, ssnamebuf, sizeof(ssnamebuf),
+ PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE,
+ p->vendor_id, p->device_id, p->subsys_vendor_id, p->subsys_id));
+ }
}
+/*** Verbose output ***/
+
static void
-show_size(pciaddr_t x)
+show_size(u64 x)
{
+ static const char suffix[][2] = { "", "K", "M", "G", "T" };
+ unsigned i;
if (!x)
return;
- printf(" [size=");
- if (x < 1024)
- printf("%d", (int) x);
- else if (x < 1048576)
- printf("%dK", (int)(x / 1024));
- else if (x < 0x80000000)
- printf("%dM", (int)(x / 1048576));
+ for (i = 0; i < (sizeof(suffix) / sizeof(*suffix) - 1); i++) {
+ if (x % 1024)
+ break;
+ x /= 1024;
+ }
+ printf(" [size=%u%s]", (unsigned)x, suffix[i]);
+}
+
+static void
+show_range(const char *prefix, u64 base, u64 limit, int bits, int disabled)
+{
+ printf("%s:", prefix);
+ if (base <= limit || verbose > 2)
+ printf(" %0*" PCI_U64_FMT_X "-%0*" PCI_U64_FMT_X, (bits+3)/4, base, (bits+3)/4, limit);
+ if (!disabled && base <= limit)
+ show_size(limit - base + 1);
else
- printf(ADDR_FORMAT, x);
- putchar(']');
+ printf(" [disabled]");
+ if (bits)
+ printf(" [%d-bit]", bits);
+ putchar('\n');
+}
+
+static u32
+ioflg_to_pciflg(pciaddr_t ioflg)
+{
+ u32 flg;
+
+ if (ioflg & PCI_IORESOURCE_IO)
+ flg = PCI_BASE_ADDRESS_SPACE_IO;
+ else if (!(ioflg & PCI_IORESOURCE_MEM))
+ flg = 0;
+ else
+ {
+ flg = PCI_BASE_ADDRESS_SPACE_MEMORY;
+ if (ioflg & PCI_IORESOURCE_MEM_64)
+ flg |= PCI_BASE_ADDRESS_MEM_TYPE_64;
+ else
+ flg |= PCI_BASE_ADDRESS_MEM_TYPE_32;
+ if (ioflg & PCI_IORESOURCE_PREFETCH)
+ flg |= PCI_BASE_ADDRESS_MEM_PREFETCH;
+ }
+
+ return flg;
}
static void
-show_bases(struct device *d, int cnt)
+show_bases(struct device *d, int cnt, int without_config_data)
{
struct pci_dev *p = d->dev;
- word cmd = get_conf_word(d, PCI_COMMAND);
+ word cmd = without_config_data ? (PCI_COMMAND_IO | PCI_COMMAND_MEMORY) : get_conf_word(d, PCI_COMMAND);
int i;
- for(i=0; i<cnt; i++)
+ for (i=0; i<cnt; i++)
{
pciaddr_t pos = p->base_addr[i];
pciaddr_t len = (p->known_fields & PCI_FILL_SIZES) ? p->size[i] : 0;
- u32 flg = get_conf_long(d, PCI_BASE_ADDRESS_0 + 4*i);
+ pciaddr_t ioflg = (p->known_fields & PCI_FILL_IO_FLAGS) ? p->flags[i] : 0;
+ u32 flg = (p->known_fields & PCI_FILL_IO_FLAGS) ? ioflg_to_pciflg(ioflg) : without_config_data ? 0 : get_conf_long(d, PCI_BASE_ADDRESS_0 + 4*i);
+ u32 hw_lower = 0;
+ u32 hw_upper = 0;
+ int broken = 0;
+ int virtual = 0;
+
if (flg == 0xffffffff)
flg = 0;
if (!pos && !flg && !len)
continue;
+
if (verbose > 1)
printf("\tRegion %d: ", i);
else
putchar('\t');
- if (pos && !flg) /* Reported by the OS, but not by the device */
+
+ /* Detect virtual regions, which are reported by the OS, but unassigned in the device */
+ if ((p->known_fields & PCI_FILL_IO_FLAGS) && !without_config_data)
{
- printf("[virtual] ");
- flg = pos;
+ /* Read address as seen by the hardware */
+ hw_lower = get_conf_long(d, PCI_BASE_ADDRESS_0 + 4*i);
+ if ((hw_lower & PCI_BASE_ADDRESS_SPACE) == (ioflg_to_pciflg(ioflg) & PCI_BASE_ADDRESS_SPACE))
+ {
+ if ((ioflg & PCI_IORESOURCE_TYPE_BITS) == PCI_IORESOURCE_MEM &&
+ (hw_lower & PCI_BASE_ADDRESS_MEM_TYPE_MASK) == PCI_BASE_ADDRESS_MEM_TYPE_64)
+ {
+ if (i >= cnt - 1)
+ broken = 1;
+ else
+ hw_upper = get_conf_long(d, PCI_BASE_ADDRESS_0 + 4*i + 1);
+ }
+ if (pos && !hw_lower && !hw_upper && !(ioflg & PCI_IORESOURCE_PCI_EA_BEI))
+ virtual = 1;
+ }
}
+
+ /* Print base address */
if (flg & PCI_BASE_ADDRESS_SPACE_IO)
{
pciaddr_t a = pos & PCI_BASE_ADDRESS_IO_MASK;
printf("I/O ports at ");
- if (a)
- printf(IO_FORMAT, a);
- else if (flg & PCI_BASE_ADDRESS_IO_MASK)
+ if (a || (cmd & PCI_COMMAND_IO))
+ printf(PCIADDR_PORT_FMT, a);
+ else if (hw_lower)
printf("<ignored>");
else
printf("<unassigned>");
- if (!(cmd & PCI_COMMAND_IO))
+ if (virtual)
+ printf(" [virtual]");
+ else if (!(cmd & PCI_COMMAND_IO))
printf(" [disabled]");
}
else
{
int t = flg & PCI_BASE_ADDRESS_MEM_TYPE_MASK;
pciaddr_t a = pos & PCI_ADDR_MEM_MASK;
- int done = 0;
- u32 z = 0;
printf("Memory at ");
- if (t == PCI_BASE_ADDRESS_MEM_TYPE_64)
- {
- if (i >= cnt - 1)
- {
- printf("<invalid-64bit-slot>");
- done = 1;
- }
- else
- {
- i++;
- z = get_conf_long(d, PCI_BASE_ADDRESS_0 + 4*i);
- if (buscentric_view)
- {
- if (a || z)
- printf("%08x" ADDR_FORMAT, z, a);
- else
- printf("<unassigned>");
- done = 1;
- }
- }
- }
- if (!done)
- {
- if (a)
- printf(ADDR_FORMAT, a);
- else
- printf(((flg & PCI_BASE_ADDRESS_MEM_MASK) || z) ? "<ignored>" : "<unassigned>");
- }
+ if (broken)
+ printf("<broken-64-bit-slot>");
+ else if (a)
+ printf(PCIADDR_T_FMT, a);
+ else if (hw_lower || hw_upper)
+ printf("<ignored>");
+ else
+ printf("<unassigned>");
printf(" (%s, %sprefetchable)",
(t == PCI_BASE_ADDRESS_MEM_TYPE_32) ? "32-bit" :
(t == PCI_BASE_ADDRESS_MEM_TYPE_64) ? "64-bit" :
(t == PCI_BASE_ADDRESS_MEM_TYPE_1M) ? "low-1M" : "type 3",
(flg & PCI_BASE_ADDRESS_MEM_PREFETCH) ? "" : "non-");
- if (!(cmd & PCI_COMMAND_MEMORY))
+ if (virtual)
+ printf(" [virtual]");
+ else if (!(cmd & PCI_COMMAND_MEMORY))
printf(" [disabled]");
}
+
+ if (ioflg & PCI_IORESOURCE_PCI_EA_BEI)
+ printf(" [enhanced]");
+
show_size(len);
putchar('\n');
}
}
static void
-show_pm(struct device *d, int where, int cap)
-{
- int t, b;
- static int pm_aux_current[8] = { 0, 55, 100, 160, 220, 270, 320, 375 };
-
- printf("Power Management version %d\n", cap & PCI_PM_CAP_VER_MASK);
- if (verbose < 2)
- return;
- printf("\t\tFlags: PMEClk%c DSI%c D1%c D2%c AuxCurrent=%dmA PME(D0%c,D1%c,D2%c,D3hot%c,D3cold%c)\n",
- FLAG(cap, PCI_PM_CAP_PME_CLOCK),
- FLAG(cap, PCI_PM_CAP_DSI),
- FLAG(cap, PCI_PM_CAP_D1),
- FLAG(cap, PCI_PM_CAP_D2),
- pm_aux_current[(cap >> 6) & 7],
- FLAG(cap, PCI_PM_CAP_PME_D0),
- FLAG(cap, PCI_PM_CAP_PME_D1),
- FLAG(cap, PCI_PM_CAP_PME_D2),
- FLAG(cap, PCI_PM_CAP_PME_D3_HOT),
- FLAG(cap, PCI_PM_CAP_PME_D3_COLD));
- config_fetch(d, where + PCI_PM_CTRL, PCI_PM_SIZEOF - PCI_PM_CTRL);
- t = get_conf_word(d, where + PCI_PM_CTRL);
- printf("\t\tStatus: D%d PME-Enable%c DSel=%d DScale=%d PME%c\n",
- t & PCI_PM_CTRL_STATE_MASK,
- FLAG(t, PCI_PM_CTRL_PME_ENABLE),
- (t & PCI_PM_CTRL_DATA_SEL_MASK) >> 9,
- (t & PCI_PM_CTRL_DATA_SCALE_MASK) >> 13,
- FLAG(t, PCI_PM_CTRL_PME_STATUS));
- b = get_conf_byte(d, where + PCI_PM_PPB_EXTENSIONS);
- if (b)
- printf("\t\tBridge: PM%c B3%c\n",
- FLAG(t, PCI_PM_BPCC_ENABLE),
- FLAG(~t, PCI_PM_PPB_B2_B3));
-}
-
-static void
-format_agp_rate(int rate, char *buf)
-{
- char *c = buf;
- int i;
-
- for(i=0; i<2; i++)
- if (rate & (1 << i))
- {
- if (c != buf)
- *c++ = ',';
- *c++ = 'x';
- *c++ = '0' + (1 << i);
- }
- if (c != buf)
- *c = 0;
- else
- strcpy(buf, "<none>");
-}
-
-static void
-show_agp(struct device *d, int where, int cap)
-{
- u32 t;
- char rate[8];
-
- t = cap & 0xff;
- printf("AGP version %x.%x\n", cap/16, cap%16);
- if (verbose < 2)
- return;
- config_fetch(d, where + PCI_AGP_STATUS, PCI_AGP_SIZEOF - PCI_AGP_STATUS);
- t = get_conf_long(d, where + PCI_AGP_STATUS);
- format_agp_rate(t & 7, rate);
- printf("\t\tStatus: RQ=%d SBA%c 64bit%c FW%c Rate=%s\n",
- (t & PCI_AGP_STATUS_RQ_MASK) >> 24U,
- FLAG(t, PCI_AGP_STATUS_SBA),
- FLAG(t, PCI_AGP_STATUS_64BIT),
- FLAG(t, PCI_AGP_STATUS_FW),
- rate);
- t = get_conf_long(d, where + PCI_AGP_COMMAND);
- format_agp_rate(t & 7, rate);
- printf("\t\tCommand: RQ=%d SBA%c AGP%c 64bit%c FW%c Rate=%s\n",
- (t & PCI_AGP_COMMAND_RQ_MASK) >> 24U,
- FLAG(t, PCI_AGP_COMMAND_SBA),
- FLAG(t, PCI_AGP_COMMAND_AGP),
- FLAG(t, PCI_AGP_COMMAND_64BIT),
- FLAG(t, PCI_AGP_COMMAND_FW),
- rate);
-}
-
-static void
-show_rom(struct device *d)
+show_rom(struct device *d, int reg)
{
struct pci_dev *p = d->dev;
pciaddr_t rom = p->rom_base_addr;
pciaddr_t len = (p->known_fields & PCI_FILL_SIZES) ? p->rom_size : 0;
+ pciaddr_t ioflg = (p->known_fields & PCI_FILL_IO_FLAGS) ? p->rom_flags : 0;
+ u32 flg = reg >= 0 ? get_conf_long(d, reg) : ioflg_to_pciflg(ioflg);
+ word cmd = reg >= 0 ? get_conf_word(d, PCI_COMMAND) : PCI_COMMAND_MEMORY;
+ int virtual = 0;
- if (!rom && !len)
+ if (!rom && !flg && !len)
return;
+
+ if (reg >= 0 && (rom & PCI_ROM_ADDRESS_MASK) && !(flg & PCI_ROM_ADDRESS_MASK) && !(ioflg & PCI_IORESOURCE_PCI_EA_BEI))
+ {
+ flg = rom;
+ virtual = 1;
+ }
+
printf("\tExpansion ROM at ");
if (rom & PCI_ROM_ADDRESS_MASK)
- printf(ADDR_FORMAT, rom & PCI_ROM_ADDRESS_MASK);
+ printf(PCIADDR_T_FMT, rom & PCI_ROM_ADDRESS_MASK);
+ else if (flg & PCI_ROM_ADDRESS_MASK)
+ printf("<ignored>");
else
printf("<unassigned>");
- if (!(rom & PCI_ROM_ADDRESS_ENABLE))
- printf(" [disabled]");
- show_size(len);
- putchar('\n');
-}
-static void
-show_msi(struct device *d, int where, int cap)
-{
- int is64;
- u32 t;
- u16 w;
-
- printf("Message Signalled Interrupts: 64bit%c Queue=%d/%d Enable%c\n",
- FLAG(cap, PCI_MSI_FLAGS_64BIT),
- (cap & PCI_MSI_FLAGS_QSIZE) >> 4,
- (cap & PCI_MSI_FLAGS_QMASK) >> 1,
- FLAG(cap, PCI_MSI_FLAGS_ENABLE));
- if (verbose < 2)
- return;
- is64 = cap & PCI_MSI_FLAGS_64BIT;
- config_fetch(d, where + PCI_MSI_ADDRESS_LO, (is64 ? PCI_MSI_DATA_64 : PCI_MSI_DATA_32) + 2 - PCI_MSI_ADDRESS_LO);
- printf("\t\tAddress: ");
- if (is64)
- {
- t = get_conf_long(d, where + PCI_MSI_ADDRESS_HI);
- w = get_conf_word(d, where + PCI_MSI_DATA_64);
- printf("%08x", t);
- }
- else
- w = get_conf_word(d, where + PCI_MSI_DATA_32);
- t = get_conf_long(d, where + PCI_MSI_ADDRESS_LO);
- printf("%08x Data: %04x\n", t, w);
-}
+ if (virtual)
+ printf(" [virtual]");
-static void
-show_slotid(int cap)
-{
- int esr = cap & 0xff;
- int chs = cap >> 8;
+ if (!(flg & PCI_ROM_ADDRESS_ENABLE))
+ printf(" [disabled]");
+ else if (!virtual && !(cmd & PCI_COMMAND_MEMORY))
+ printf(" [disabled by cmd]");
- printf("Slot ID: %d slots, First%c, chassis %02x\n",
- esr & PCI_SID_ESR_NSLOTS,
- FLAG(esr, PCI_SID_ESR_FIC),
- chs);
-}
+ if (ioflg & PCI_IORESOURCE_PCI_EA_BEI)
+ printf(" [enhanced]");
-static void
-show_caps(struct device *d)
-{
- if (get_conf_word(d, PCI_STATUS) & PCI_STATUS_CAP_LIST)
- {
- int where = get_conf_byte(d, PCI_CAPABILITY_LIST) & ~3;
- while (where)
- {
- int id, next, cap;
- printf("\tCapabilities: ");
- if (!config_fetch(d, where, 4))
- {
- puts("<available only to root>");
- break;
- }
- id = get_conf_byte(d, where + PCI_CAP_LIST_ID);
- next = get_conf_byte(d, where + PCI_CAP_LIST_NEXT) & ~3;
- cap = get_conf_word(d, where + PCI_CAP_FLAGS);
- printf("[%02x] ", where);
- if (id == 0xff)
- {
- printf("<chain broken>\n");
- break;
- }
- switch (id)
- {
- case PCI_CAP_ID_PM:
- show_pm(d, where, cap);
- break;
- case PCI_CAP_ID_AGP:
- show_agp(d, where, cap);
- break;
- case PCI_CAP_ID_VPD:
- printf("Vital Product Data\n");
- break;
- case PCI_CAP_ID_SLOTID:
- show_slotid(cap);
- break;
- case PCI_CAP_ID_MSI:
- show_msi(d, where, cap);
- break;
- default:
- printf("#%02x [%04x]\n", id, cap);
- }
- where = next;
- }
- }
+ show_size(len);
+ putchar('\n');
}
static void
show_htype0(struct device *d)
{
- show_bases(d, 6);
- show_rom(d);
- show_caps(d);
+ show_bases(d, 6, 0);
+ show_rom(d, PCI_ROM_ADDRESS);
+ show_caps(d, PCI_CAPABILITY_LIST);
}
static void
show_htype1(struct device *d)
{
+ struct pci_dev *p = d->dev;
u32 io_base = get_conf_byte(d, PCI_IO_BASE);
u32 io_limit = get_conf_byte(d, PCI_IO_LIMIT);
u32 io_type = io_base & PCI_IO_RANGE_TYPE_MASK;
u32 pref_base = get_conf_word(d, PCI_PREF_MEMORY_BASE);
u32 pref_limit = get_conf_word(d, PCI_PREF_MEMORY_LIMIT);
u32 pref_type = pref_base & PCI_PREF_RANGE_TYPE_MASK;
+ word sec_stat = get_conf_word(d, PCI_SEC_STATUS);
word brc = get_conf_word(d, PCI_BRIDGE_CONTROL);
- int verb = verbose > 2;
+ int io_disabled = (p->known_fields & PCI_FILL_BRIDGE_BASES) && !p->bridge_size[0];
+ int mem_disabled = (p->known_fields & PCI_FILL_BRIDGE_BASES) && !p->bridge_size[1];
+ int pref_disabled = (p->known_fields & PCI_FILL_BRIDGE_BASES) && !p->bridge_size[2];
+ int io_bits, pref_bits;
- show_bases(d, 2);
+ show_bases(d, 2, 0);
printf("\tBus: primary=%02x, secondary=%02x, subordinate=%02x, sec-latency=%d\n",
get_conf_byte(d, PCI_PRIMARY_BUS),
get_conf_byte(d, PCI_SECONDARY_BUS),
get_conf_byte(d, PCI_SUBORDINATE_BUS),
get_conf_byte(d, PCI_SEC_LATENCY_TIMER));
- if (io_type != (io_limit & PCI_IO_RANGE_TYPE_MASK) ||
+ if ((p->known_fields & PCI_FILL_BRIDGE_BASES) && !io_disabled)
+ {
+ io_base = p->bridge_base_addr[0] & PCI_IO_RANGE_MASK;
+ io_limit = io_base + p->bridge_size[0] - 1;
+ io_type = p->bridge_base_addr[0] & PCI_IO_RANGE_TYPE_MASK;
+ io_bits = (io_type == PCI_IO_RANGE_TYPE_32) ? 32 : 16;
+ show_range("\tI/O behind bridge", io_base, io_limit, io_bits, io_disabled);
+ }
+ else if (io_type != (io_limit & PCI_IO_RANGE_TYPE_MASK) ||
(io_type != PCI_IO_RANGE_TYPE_16 && io_type != PCI_IO_RANGE_TYPE_32))
printf("\t!!! Unknown I/O range types %x/%x\n", io_base, io_limit);
else
io_base |= (get_conf_word(d, PCI_IO_BASE_UPPER16) << 16);
io_limit |= (get_conf_word(d, PCI_IO_LIMIT_UPPER16) << 16);
}
- if (io_base <= io_limit || verb)
- printf("\tI/O behind bridge: %08x-%08x\n", io_base, io_limit+0xfff);
+ /* I/O is unsupported if both base and limit are zeros and resource is disabled */
+ if (!(io_base == 0x0 && io_limit == 0x0 && io_disabled))
+ {
+ io_limit += 0xfff;
+ io_bits = (io_type == PCI_IO_RANGE_TYPE_32) ? 32 : 16;
+ show_range("\tI/O behind bridge", io_base, io_limit, io_bits, io_disabled);
+ }
}
- if (mem_type != (mem_limit & PCI_MEMORY_RANGE_TYPE_MASK) ||
+ if ((p->known_fields & PCI_FILL_BRIDGE_BASES) && !mem_disabled)
+ {
+ mem_base = p->bridge_base_addr[1] & PCI_MEMORY_RANGE_MASK;
+ mem_limit = mem_base + p->bridge_size[1] - 1;
+ show_range("\tMemory behind bridge", mem_base, mem_limit, 32, mem_disabled);
+ }
+ else if (mem_type != (mem_limit & PCI_MEMORY_RANGE_TYPE_MASK) ||
mem_type)
printf("\t!!! Unknown memory range types %x/%x\n", mem_base, mem_limit);
else
{
mem_base = (mem_base & PCI_MEMORY_RANGE_MASK) << 16;
mem_limit = (mem_limit & PCI_MEMORY_RANGE_MASK) << 16;
- if (mem_base <= mem_limit || verb)
- printf("\tMemory behind bridge: %08x-%08x\n", mem_base, mem_limit + 0xfffff);
+ show_range("\tMemory behind bridge", mem_base, mem_limit + 0xfffff, 32, mem_disabled);
}
- if (pref_type != (pref_limit & PCI_PREF_RANGE_TYPE_MASK) ||
+ if ((p->known_fields & PCI_FILL_BRIDGE_BASES) && !pref_disabled)
+ {
+ u64 pref_base_64 = p->bridge_base_addr[2] & PCI_MEMORY_RANGE_MASK;
+ u64 pref_limit_64 = pref_base_64 + p->bridge_size[2] - 1;
+ pref_type = p->bridge_base_addr[2] & PCI_MEMORY_RANGE_TYPE_MASK;
+ pref_bits = (pref_type == PCI_PREF_RANGE_TYPE_64) ? 64 : 32;
+ show_range("\tPrefetchable memory behind bridge", pref_base_64, pref_limit_64, pref_bits, pref_disabled);
+ }
+ else if (pref_type != (pref_limit & PCI_PREF_RANGE_TYPE_MASK) ||
(pref_type != PCI_PREF_RANGE_TYPE_32 && pref_type != PCI_PREF_RANGE_TYPE_64))
printf("\t!!! Unknown prefetchable memory range types %x/%x\n", pref_base, pref_limit);
else
{
- pref_base = (pref_base & PCI_PREF_RANGE_MASK) << 16;
- pref_limit = (pref_limit & PCI_PREF_RANGE_MASK) << 16;
- if (pref_base <= pref_limit || verb)
+ u64 pref_base_64 = (pref_base & PCI_PREF_RANGE_MASK) << 16;
+ u64 pref_limit_64 = (pref_limit & PCI_PREF_RANGE_MASK) << 16;
+ if (pref_type == PCI_PREF_RANGE_TYPE_64)
{
- if (pref_type == PCI_PREF_RANGE_TYPE_32)
- printf("\tPrefetchable memory behind bridge: %08x-%08x\n", pref_base, pref_limit + 0xfffff);
- else
- printf("\tPrefetchable memory behind bridge: %08x%08x-%08x%08x\n",
- get_conf_long(d, PCI_PREF_BASE_UPPER32),
- pref_base,
- get_conf_long(d, PCI_PREF_LIMIT_UPPER32),
- pref_limit);
+ pref_base_64 |= (u64) get_conf_long(d, PCI_PREF_BASE_UPPER32) << 32;
+ pref_limit_64 |= (u64) get_conf_long(d, PCI_PREF_LIMIT_UPPER32) << 32;
}
+ /* Prefetchable memory is unsupported if both base and limit are zeros and resource is disabled */
+ if (!(pref_base_64 == 0x0 && pref_limit_64 == 0x0 && pref_disabled))
+ {
+ pref_limit_64 += 0xfffff;
+ pref_bits = (pref_type == PCI_PREF_RANGE_TYPE_64) ? 64 : 32;
+ show_range("\tPrefetchable memory behind bridge", pref_base_64, pref_limit_64, pref_bits, pref_disabled);
+ }
}
- if (get_conf_word(d, PCI_SEC_STATUS) & PCI_STATUS_SIG_SYSTEM_ERROR)
- printf("\tSecondary status: SERR\n");
-
- show_rom(d);
+ if (verbose > 1)
+ printf("\tSecondary status: 66MHz%c FastB2B%c ParErr%c DEVSEL=%s >TAbort%c <TAbort%c <MAbort%c <SERR%c <PERR%c\n",
+ FLAG(sec_stat, PCI_STATUS_66MHZ),
+ FLAG(sec_stat, PCI_STATUS_FAST_BACK),
+ FLAG(sec_stat, PCI_STATUS_PARITY),
+ ((sec_stat & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_SLOW) ? "slow" :
+ ((sec_stat & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_MEDIUM) ? "medium" :
+ ((sec_stat & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_FAST) ? "fast" : "??",
+ FLAG(sec_stat, PCI_STATUS_SIG_TARGET_ABORT),
+ FLAG(sec_stat, PCI_STATUS_REC_TARGET_ABORT),
+ FLAG(sec_stat, PCI_STATUS_REC_MASTER_ABORT),
+ FLAG(sec_stat, PCI_STATUS_SIG_SYSTEM_ERROR),
+ FLAG(sec_stat, PCI_STATUS_DETECTED_PARITY));
+
+ show_rom(d, PCI_ROM_ADDRESS1);
if (verbose > 1)
- printf("\tBridgeCtl: Parity%c SERR%c NoISA%c VGA%c MAbort%c >Reset%c FastB2B%c\n",
- FLAG(brc, PCI_BRIDGE_CTL_PARITY),
- FLAG(brc, PCI_BRIDGE_CTL_SERR),
- FLAG(brc, PCI_BRIDGE_CTL_NO_ISA),
- FLAG(brc, PCI_BRIDGE_CTL_VGA),
- FLAG(brc, PCI_BRIDGE_CTL_MASTER_ABORT),
- FLAG(brc, PCI_BRIDGE_CTL_BUS_RESET),
- FLAG(brc, PCI_BRIDGE_CTL_FAST_BACK));
-
- show_caps(d);
+ {
+ printf("\tBridgeCtl: Parity%c SERR%c NoISA%c VGA%c VGA16%c MAbort%c >Reset%c FastB2B%c\n",
+ FLAG(brc, PCI_BRIDGE_CTL_PARITY),
+ FLAG(brc, PCI_BRIDGE_CTL_SERR),
+ FLAG(brc, PCI_BRIDGE_CTL_NO_ISA),
+ FLAG(brc, PCI_BRIDGE_CTL_VGA),
+ FLAG(brc, PCI_BRIDGE_CTL_VGA_16BIT),
+ FLAG(brc, PCI_BRIDGE_CTL_MASTER_ABORT),
+ FLAG(brc, PCI_BRIDGE_CTL_BUS_RESET),
+ FLAG(brc, PCI_BRIDGE_CTL_FAST_BACK));
+ printf("\t\tPriDiscTmr%c SecDiscTmr%c DiscTmrStat%c DiscTmrSERREn%c\n",
+ FLAG(brc, PCI_BRIDGE_CTL_PRI_DISCARD_TIMER),
+ FLAG(brc, PCI_BRIDGE_CTL_SEC_DISCARD_TIMER),
+ FLAG(brc, PCI_BRIDGE_CTL_DISCARD_TIMER_STATUS),
+ FLAG(brc, PCI_BRIDGE_CTL_DISCARD_TIMER_SERR_EN));
+ }
+
+ show_caps(d, PCI_CAPABILITY_LIST);
}
static void
int i;
word cmd = get_conf_word(d, PCI_COMMAND);
word brc = get_conf_word(d, PCI_CB_BRIDGE_CONTROL);
- word exca = get_conf_word(d, PCI_CB_LEGACY_MODE_BASE);
+ word exca;
int verb = verbose > 2;
- show_bases(d, 1);
+ show_bases(d, 1, 0);
printf("\tBus: primary=%02x, secondary=%02x, subordinate=%02x, sec-latency=%d\n",
get_conf_byte(d, PCI_CB_PRIMARY_BUS),
get_conf_byte(d, PCI_CB_CARD_BUS),
get_conf_byte(d, PCI_CB_SUBORDINATE_BUS),
get_conf_byte(d, PCI_CB_LATENCY_TIMER));
- for(i=0; i<2; i++)
+ for (i=0; i<2; i++)
{
int p = 8*i;
u32 base = get_conf_long(d, PCI_CB_MEMORY_BASE_0 + p);
u32 limit = get_conf_long(d, PCI_CB_MEMORY_LIMIT_0 + p);
- if (limit > base || verb)
+ limit = limit + 0xfff;
+ if (base <= limit || verb)
printf("\tMemory window %d: %08x-%08x%s%s\n", i, base, limit,
(cmd & PCI_COMMAND_MEMORY) ? "" : " [disabled]",
(brc & (PCI_CB_BRIDGE_CTL_PREFETCH_MEM0 << i)) ? " (prefetchable)" : "");
}
- for(i=0; i<2; i++)
+ for (i=0; i<2; i++)
{
int p = 8*i;
u32 base = get_conf_long(d, PCI_CB_IO_BASE_0 + p);
FLAG(brc, PCI_CB_BRIDGE_CTL_CB_RESET),
FLAG(brc, PCI_CB_BRIDGE_CTL_16BIT_INT),
FLAG(brc, PCI_CB_BRIDGE_CTL_POST_WRITES));
+
+ if (d->config_cached < 128)
+ {
+ printf("\t<access denied to the rest>\n");
+ return;
+ }
+
+ exca = get_conf_word(d, PCI_CB_LEGACY_MODE_BASE);
if (exca)
printf("\t16-bit legacy interface ports at %04x\n", exca);
+ show_caps(d, PCI_CB_CAPABILITY_LIST);
+}
+
+static void
+show_htype_unknown(struct device *d)
+{
+ struct pci_dev *p = d->dev;
+ u64 base, limit, flags;
+ const char *str;
+ int i, bits;
+
+ if (pacc->buscentric)
+ return;
+
+ show_bases(d, 6, 1);
+ for (i = 0; i < 4; i++)
+ {
+ if (!p->bridge_base_addr[i])
+ continue;
+ base = p->bridge_base_addr[i];
+ limit = base + p->bridge_size[i] - 1;
+ flags = p->bridge_flags[i];
+ if (flags & PCI_IORESOURCE_IO)
+ {
+ bits = (flags & PCI_IORESOURCE_IO_16BIT_ADDR) ? 16 : 32;
+ str = "\tI/O behind bridge";
+ }
+ else if (flags & PCI_IORESOURCE_MEM)
+ {
+ bits = (flags & PCI_IORESOURCE_MEM_64) ? 64 : 32;
+ if (flags & PCI_IORESOURCE_PREFETCH)
+ str = "\tPrefetchable memory behind bridge";
+ else
+ str = "\tMemory behind bridge";
+ }
+ else
+ {
+ bits = 0;
+ str = "\tUnknown resource behind bridge";
+ }
+ show_range(str, base, limit, bits, 0);
+ }
+ show_rom(d, -1);
}
static void
show_verbose(struct device *d)
{
struct pci_dev *p = d->dev;
- word status = get_conf_word(d, PCI_STATUS);
- word cmd = get_conf_word(d, PCI_COMMAND);
- word class = get_conf_word(d, PCI_CLASS_DEVICE);
- byte bist = get_conf_byte(d, PCI_BIST);
- byte htype = get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f;
- byte latency = get_conf_byte(d, PCI_LATENCY_TIMER);
- byte cache_line = get_conf_byte(d, PCI_CACHE_LINE_SIZE);
+ int unknown_config_data = 0;
+ word class = p->device_class;
+ byte htype = d->no_config_access ? -1 : (get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f);
+ byte bist;
byte max_lat, min_gnt;
- byte int_pin = get_conf_byte(d, PCI_INTERRUPT_PIN);
- unsigned int irq = p->irq;
- word subsys_v, subsys_d;
- char ssnamebuf[256];
+ char *dt_node, *iommu_group;
show_terse(d);
+ pci_fill_info(p, PCI_FILL_IRQ | PCI_FILL_BASES | PCI_FILL_ROM_BASE | PCI_FILL_SIZES |
+ PCI_FILL_PHYS_SLOT | PCI_FILL_NUMA_NODE | PCI_FILL_DT_NODE | PCI_FILL_IOMMU_GROUP |
+ PCI_FILL_BRIDGE_BASES | PCI_FILL_CLASS_EXT | PCI_FILL_SUBSYS);
+
switch (htype)
{
case PCI_HEADER_TYPE_NORMAL:
if (class == PCI_CLASS_BRIDGE_PCI)
- {
- badhdr:
- printf("\t!!! Header type %02x doesn't match class code %04x\n", htype, class);
- return;
- }
+ printf("\t!!! Invalid class %04x for header type %02x\n", class, htype);
+ bist = get_conf_byte(d, PCI_BIST);
max_lat = get_conf_byte(d, PCI_MAX_LAT);
min_gnt = get_conf_byte(d, PCI_MIN_GNT);
- subsys_v = get_conf_word(d, PCI_SUBSYSTEM_VENDOR_ID);
- subsys_d = get_conf_word(d, PCI_SUBSYSTEM_ID);
break;
case PCI_HEADER_TYPE_BRIDGE:
- if (class != PCI_CLASS_BRIDGE_PCI)
- goto badhdr;
- irq = int_pin = min_gnt = max_lat = 0;
- subsys_v = subsys_d = 0;
+ if ((class >> 8) != PCI_BASE_CLASS_BRIDGE)
+ printf("\t!!! Invalid class %04x for header type %02x\n", class, htype);
+ bist = get_conf_byte(d, PCI_BIST);
+ min_gnt = max_lat = 0;
break;
case PCI_HEADER_TYPE_CARDBUS:
if ((class >> 8) != PCI_BASE_CLASS_BRIDGE)
- goto badhdr;
+ printf("\t!!! Invalid class %04x for header type %02x\n", class, htype);
+ bist = get_conf_byte(d, PCI_BIST);
min_gnt = max_lat = 0;
- subsys_v = get_conf_word(d, PCI_CB_SUBSYSTEM_VENDOR_ID);
- subsys_d = get_conf_word(d, PCI_CB_SUBSYSTEM_ID);
break;
default:
+ if (!d->no_config_access)
printf("\t!!! Unknown header type %02x\n", htype);
- return;
+ bist = 0;
+ min_gnt = max_lat = 0;
+ unknown_config_data = 1;
}
- if (subsys_v && subsys_v != 0xffff)
- printf("\tSubsystem: %s\n",
- pci_lookup_name(pacc, ssnamebuf, sizeof(ssnamebuf),
- PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE,
- p->vendor_id, p->device_id, subsys_v, subsys_d));
+ if (p->phy_slot)
+ printf("\tPhysical Slot: %s\n", p->phy_slot);
- if (verbose > 1)
+ if (dt_node = pci_get_string_property(p, PCI_FILL_DT_NODE))
+ printf("\tDevice tree node: %s\n", dt_node);
+
+ if (!unknown_config_data && verbose > 1)
{
- printf("\tControl: I/O%c Mem%c BusMaster%c SpecCycle%c MemWINV%c VGASnoop%c ParErr%c Stepping%c SERR%c FastB2B%c\n",
+ word cmd = get_conf_word(d, PCI_COMMAND);
+ word status = get_conf_word(d, PCI_STATUS);
+ printf("\tControl: I/O%c Mem%c BusMaster%c SpecCycle%c MemWINV%c VGASnoop%c ParErr%c Stepping%c SERR%c FastB2B%c DisINTx%c\n",
FLAG(cmd, PCI_COMMAND_IO),
FLAG(cmd, PCI_COMMAND_MEMORY),
FLAG(cmd, PCI_COMMAND_MASTER),
FLAG(cmd, PCI_COMMAND_PARITY),
FLAG(cmd, PCI_COMMAND_WAIT),
FLAG(cmd, PCI_COMMAND_SERR),
- FLAG(cmd, PCI_COMMAND_FAST_BACK));
- printf("\tStatus: Cap%c 66Mhz%c UDF%c FastB2B%c ParErr%c DEVSEL=%s >TAbort%c <TAbort%c <MAbort%c >SERR%c <PERR%c\n",
+ FLAG(cmd, PCI_COMMAND_FAST_BACK),
+ FLAG(cmd, PCI_COMMAND_DISABLE_INTx));
+ printf("\tStatus: Cap%c 66MHz%c UDF%c FastB2B%c ParErr%c DEVSEL=%s >TAbort%c <TAbort%c <MAbort%c >SERR%c <PERR%c INTx%c\n",
FLAG(status, PCI_STATUS_CAP_LIST),
FLAG(status, PCI_STATUS_66MHZ),
FLAG(status, PCI_STATUS_UDF),
FLAG(status, PCI_STATUS_REC_TARGET_ABORT),
FLAG(status, PCI_STATUS_REC_MASTER_ABORT),
FLAG(status, PCI_STATUS_SIG_SYSTEM_ERROR),
- FLAG(status, PCI_STATUS_DETECTED_PARITY));
+ FLAG(status, PCI_STATUS_DETECTED_PARITY),
+ FLAG(status, PCI_STATUS_INTx));
if (cmd & PCI_COMMAND_MASTER)
{
- printf("\tLatency: ");
- if (min_gnt)
- printf("%d min, ", min_gnt);
- if (max_lat)
- printf("%d max, ", max_lat);
- printf("%d set", latency);
+ byte latency = get_conf_byte(d, PCI_LATENCY_TIMER);
+ byte cache_line = get_conf_byte(d, PCI_CACHE_LINE_SIZE);
+ printf("\tLatency: %d", latency);
+ if (min_gnt || max_lat)
+ {
+ printf(" (");
+ if (min_gnt)
+ printf("%dns min", min_gnt*250);
+ if (min_gnt && max_lat)
+ printf(", ");
+ if (max_lat)
+ printf("%dns max", max_lat*250);
+ putchar(')');
+ }
if (cache_line)
- printf(", cache line size %02x", cache_line);
+ printf(", Cache Line Size: %d bytes", cache_line * 4);
putchar('\n');
}
- if (int_pin || irq)
- printf("\tInterrupt: pin %c routed to IRQ " IRQ_FORMAT "\n",
- (int_pin ? 'A' + int_pin - 1 : '?'), irq);
}
- else
+
+ if (verbose > 1)
{
+ byte int_pin = unknown_config_data ? 0 : get_conf_byte(d, PCI_INTERRUPT_PIN);
+ if (int_pin || p->irq)
+ printf("\tInterrupt: pin %c routed to IRQ " PCIIRQ_FMT "\n",
+ (int_pin ? 'A' + int_pin - 1 : '?'), p->irq);
+ if (p->numa_node != -1)
+ printf("\tNUMA node: %d\n", p->numa_node);
+ if (iommu_group = pci_get_string_property(p, PCI_FILL_IOMMU_GROUP))
+ printf("\tIOMMU group: %s\n", iommu_group);
+ }
+
+ if (!unknown_config_data && verbose <= 1)
+ {
+ word cmd = get_conf_word(d, PCI_COMMAND);
+ word status = get_conf_word(d, PCI_STATUS);
+ byte latency = get_conf_byte(d, PCI_LATENCY_TIMER);
printf("\tFlags: ");
if (cmd & PCI_COMMAND_MASTER)
printf("bus master, ");
if (cmd & PCI_COMMAND_FAST_BACK)
printf("fast Back2Back, ");
if (status & PCI_STATUS_66MHZ)
- printf("66Mhz, ");
+ printf("66MHz, ");
if (status & PCI_STATUS_UDF)
printf("user-definable features, ");
printf("%s devsel",
((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_FAST) ? "fast" : "??");
if (cmd & PCI_COMMAND_MASTER)
printf(", latency %d", latency);
- if (irq)
- printf(", IRQ " IRQ_FORMAT, irq);
+ if (p->irq)
+ printf(", IRQ " PCIIRQ_FMT, p->irq);
+ if (p->numa_node != -1)
+ printf(", NUMA node %d", p->numa_node);
+ if (iommu_group = pci_get_string_property(p, PCI_FILL_IOMMU_GROUP))
+ printf(", IOMMU group %s", iommu_group);
putchar('\n');
}
case PCI_HEADER_TYPE_CARDBUS:
show_htype2(d);
break;
+ default:
+ show_htype_unknown(d);
}
}
+/*** Machine-readable dumps ***/
+
static void
show_hex_dump(struct device *d)
{
- unsigned int i;
+ unsigned int i, cnt;
+
+ if (d->no_config_access)
+ {
+ printf("WARNING: Cannot show hex-dump of the config space\n");
+ return;
+ }
- for(i=0; i<d->config_cnt; i++)
+ cnt = d->config_cached;
+ if (opt_hex >= 3 && config_fetch(d, cnt, 256-cnt))
+ {
+ cnt = 256;
+ if (opt_hex >= 4 && config_fetch(d, 256, 4096-256))
+ cnt = 4096;
+ }
+
+ for (i=0; i<cnt; i++)
{
if (! (i & 15))
printf("%02x:", i);
}
static void
-show_machine(struct device *d)
+print_shell_escaped(char *c)
{
- struct pci_dev *p = d->dev;
- int c;
- word sv_id=0, sd_id=0;
- char classbuf[128], vendbuf[128], devbuf[128], svbuf[128], sdbuf[128];
-
- switch (get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f)
+ printf(" \"");
+ while (*c)
{
- case PCI_HEADER_TYPE_NORMAL:
- sv_id = get_conf_word(d, PCI_SUBSYSTEM_VENDOR_ID);
- sd_id = get_conf_word(d, PCI_SUBSYSTEM_ID);
- break;
- case PCI_HEADER_TYPE_CARDBUS:
- sv_id = get_conf_word(d, PCI_CB_SUBSYSTEM_VENDOR_ID);
- sd_id = get_conf_word(d, PCI_CB_SUBSYSTEM_ID);
- break;
+ if (*c == '"' || *c == '\\')
+ putchar('\\');
+ putchar(*c++);
}
+ putchar('"');
+}
+
+static void
+show_machine(struct device *d)
+{
+ struct pci_dev *p = d->dev;
+ char classbuf[256], vendbuf[256], devbuf[256], svbuf[256], sdbuf[256];
+ char *dt_node, *iommu_group;
if (verbose)
{
- printf("Device:\t%02x:%02x.%x\n", p->bus, p->dev, p->func);
+ pci_fill_info(p, PCI_FILL_PHYS_SLOT | PCI_FILL_NUMA_NODE | PCI_FILL_DT_NODE | PCI_FILL_IOMMU_GROUP);
+ printf((opt_machine >= 2) ? "Slot:\t" : "Device:\t");
+ show_slot_name(d);
+ putchar('\n');
printf("Class:\t%s\n",
- pci_lookup_name(pacc, classbuf, sizeof(classbuf), PCI_LOOKUP_CLASS, get_conf_word(d, PCI_CLASS_DEVICE), 0, 0, 0));
+ pci_lookup_name(pacc, classbuf, sizeof(classbuf), PCI_LOOKUP_CLASS, p->device_class));
printf("Vendor:\t%s\n",
- pci_lookup_name(pacc, vendbuf, sizeof(vendbuf), PCI_LOOKUP_VENDOR, p->vendor_id, p->device_id, 0, 0));
+ pci_lookup_name(pacc, vendbuf, sizeof(vendbuf), PCI_LOOKUP_VENDOR, p->vendor_id, p->device_id));
printf("Device:\t%s\n",
- pci_lookup_name(pacc, devbuf, sizeof(devbuf), PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id, 0, 0));
- if (sv_id && sv_id != 0xffff)
+ pci_lookup_name(pacc, devbuf, sizeof(devbuf), PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id));
+ if ((p->known_fields & PCI_FILL_SUBSYS) &&
+ p->subsys_vendor_id && p->subsys_vendor_id != 0xffff)
{
printf("SVendor:\t%s\n",
- pci_lookup_name(pacc, svbuf, sizeof(svbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_VENDOR, p->vendor_id, p->device_id, sv_id, sd_id));
+ pci_lookup_name(pacc, svbuf, sizeof(svbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_VENDOR, p->subsys_vendor_id));
printf("SDevice:\t%s\n",
- pci_lookup_name(pacc, sdbuf, sizeof(sdbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id, sv_id, sd_id));
+ pci_lookup_name(pacc, sdbuf, sizeof(sdbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id, p->subsys_vendor_id, p->subsys_id));
}
- if (c = get_conf_byte(d, PCI_REVISION_ID))
- printf("Rev:\t%02x\n", c);
- if (c = get_conf_byte(d, PCI_CLASS_PROG))
- printf("ProgIf:\t%02x\n", c);
+ if (p->phy_slot)
+ printf("PhySlot:\t%s\n", p->phy_slot);
+ if ((p->known_fields & PCI_FILL_CLASS_EXT) && p->rev_id)
+ printf("Rev:\t%02x\n", p->rev_id);
+ if (p->known_fields & PCI_FILL_CLASS_EXT)
+ printf("ProgIf:\t%02x\n", p->prog_if);
+ if (opt_kernel)
+ show_kernel_machine(d);
+ if (p->numa_node != -1)
+ printf("NUMANode:\t%d\n", p->numa_node);
+ if (dt_node = pci_get_string_property(p, PCI_FILL_DT_NODE))
+ printf("DTNode:\t%s\n", dt_node);
+ if (iommu_group = pci_get_string_property(p, PCI_FILL_IOMMU_GROUP))
+ printf("IOMMUGroup:\t%s\n", iommu_group);
}
else
{
- printf("%02x:%02x.%x ", p->bus, p->dev, p->func);
- printf("\"%s\" \"%s\" \"%s\"",
- pci_lookup_name(pacc, classbuf, sizeof(classbuf), PCI_LOOKUP_CLASS,
- get_conf_word(d, PCI_CLASS_DEVICE), 0, 0, 0),
- pci_lookup_name(pacc, vendbuf, sizeof(vendbuf), PCI_LOOKUP_VENDOR,
- p->vendor_id, p->device_id, 0, 0),
- pci_lookup_name(pacc, devbuf, sizeof(devbuf), PCI_LOOKUP_DEVICE,
- p->vendor_id, p->device_id, 0, 0));
- if (c = get_conf_byte(d, PCI_REVISION_ID))
- printf(" -r%02x", c);
- if (c = get_conf_byte(d, PCI_CLASS_PROG))
- printf(" -p%02x", c);
- if (sv_id && sv_id != 0xffff)
- printf(" \"%s\" \"%s\"",
- pci_lookup_name(pacc, svbuf, sizeof(svbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_VENDOR, p->vendor_id, p->device_id, sv_id, sd_id),
- pci_lookup_name(pacc, sdbuf, sizeof(sdbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id, sv_id, sd_id));
+ show_slot_name(d);
+ print_shell_escaped(pci_lookup_name(pacc, classbuf, sizeof(classbuf), PCI_LOOKUP_CLASS, p->device_class));
+ print_shell_escaped(pci_lookup_name(pacc, vendbuf, sizeof(vendbuf), PCI_LOOKUP_VENDOR, p->vendor_id, p->device_id));
+ print_shell_escaped(pci_lookup_name(pacc, devbuf, sizeof(devbuf), PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id));
+ if ((p->known_fields & PCI_FILL_CLASS_EXT) && p->rev_id)
+ printf(" -r%02x", p->rev_id);
+ if (p->known_fields & PCI_FILL_CLASS_EXT)
+ printf(" -p%02x", p->prog_if);
+ if ((p->known_fields & PCI_FILL_SUBSYS) &&
+ p->subsys_vendor_id && p->subsys_vendor_id != 0xffff)
+ {
+ print_shell_escaped(pci_lookup_name(pacc, svbuf, sizeof(svbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_VENDOR, p->subsys_vendor_id));
+ print_shell_escaped(pci_lookup_name(pacc, sdbuf, sizeof(sdbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id, p->subsys_vendor_id, p->subsys_id));
+ }
else
printf(" \"\" \"\"");
putchar('\n');
}
}
-static void
+/*** Main show function ***/
+
+void
show_device(struct device *d)
{
- if (machine_readable)
+ if (opt_machine)
show_machine(d);
- else if (verbose)
- show_verbose(d);
else
- show_terse(d);
- if (show_hex)
+ {
+ if (verbose)
+ show_verbose(d);
+ else
+ show_terse(d);
+ if (opt_kernel || verbose)
+ show_kernel(d);
+ }
+ if (opt_hex)
show_hex_dump(d);
- if (verbose || show_hex)
+ if (verbose || opt_hex)
putchar('\n');
}
{
struct device *d;
- for(d=first_dev; d; d=d->next)
- show_device(d);
-}
-
-/* Tree output */
-
-struct bridge {
- struct bridge *chain; /* Single-linked list of bridges */
- struct bridge *next, *child; /* Tree of bridges */
- struct bus *first_bus; /* List of busses connected to this bridge */
- unsigned int primary, secondary, subordinate; /* Bus numbers */
- struct device *br_dev;
-};
-
-struct bus {
- unsigned int number;
- struct bus *sibling;
- struct device *first_dev, **last_dev;
-};
-
-static struct bridge host_bridge = { NULL, NULL, NULL, NULL, ~0, 0, ~0, NULL };
-
-static struct bus *
-find_bus(struct bridge *b, unsigned int n)
-{
- struct bus *bus;
-
- for(bus=b->first_bus; bus; bus=bus->sibling)
- if (bus->number == n)
- break;
- return bus;
-}
-
-static struct bus *
-new_bus(struct bridge *b, unsigned int n)
-{
- struct bus *bus = xmalloc(sizeof(struct bus));
-
- bus = xmalloc(sizeof(struct bus));
- bus->number = n;
- bus->sibling = b->first_bus;
- bus->first_dev = NULL;
- bus->last_dev = &bus->first_dev;
- b->first_bus = bus;
- return bus;
-}
-
-static void
-insert_dev(struct device *d, struct bridge *b)
-{
- struct pci_dev *p = d->dev;
- struct bus *bus;
-
- if (! (bus = find_bus(b, p->bus)))
- {
- struct bridge *c;
- for(c=b->child; c; c=c->next)
- if (c->secondary <= p->bus && p->bus <= c->subordinate)
- {
- insert_dev(d, c);
- return;
- }
- bus = new_bus(b, p->bus);
- }
- /* Simple insertion at the end _does_ guarantee the correct order as the
- * original device list was sorted by (bus, devfn) lexicographically
- * and all devices on the new list have the same bus number.
- */
- *bus->last_dev = d;
- bus->last_dev = &d->next;
- d->next = NULL;
-}
-
-static void
-grow_tree(void)
-{
- struct device *d, *d2;
- struct bridge **last_br, *b;
-
- /* Build list of bridges */
-
- last_br = &host_bridge.chain;
- for(d=first_dev; d; d=d->next)
- {
- word class = get_conf_word(d, PCI_CLASS_DEVICE);
- byte ht = get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f;
- if (class == PCI_CLASS_BRIDGE_PCI &&
- (ht == PCI_HEADER_TYPE_BRIDGE || ht == PCI_HEADER_TYPE_CARDBUS))
- {
- b = xmalloc(sizeof(struct bridge));
- if (ht == PCI_HEADER_TYPE_BRIDGE)
- {
- b->primary = get_conf_byte(d, PCI_CB_PRIMARY_BUS);
- b->secondary = get_conf_byte(d, PCI_CB_CARD_BUS);
- b->subordinate = get_conf_byte(d, PCI_CB_SUBORDINATE_BUS);
- }
- else
- {
- b->primary = get_conf_byte(d, PCI_PRIMARY_BUS);
- b->secondary = get_conf_byte(d, PCI_SECONDARY_BUS);
- b->subordinate = get_conf_byte(d, PCI_SUBORDINATE_BUS);
- }
- *last_br = b;
- last_br = &b->chain;
- b->next = b->child = NULL;
- b->first_bus = NULL;
- b->br_dev = d;
- }
- }
- *last_br = NULL;
-
- /* Create a bridge tree */
-
- for(b=&host_bridge; b; b=b->chain)
- {
- struct bridge *c, *best;
- best = NULL;
- for(c=&host_bridge; c; c=c->chain)
- if (c != b && b->primary >= c->secondary && b->primary <= c->subordinate &&
- (!best || best->subordinate - best->primary > c->subordinate - c->primary))
- best = c;
- if (best)
- {
- b->next = best->child;
- best->child = b;
- }
- }
-
- /* Insert secondary bus for each bridge */
-
- for(b=&host_bridge; b; b=b->chain)
- if (!find_bus(b, b->secondary))
- new_bus(b, b->secondary);
-
- /* Create bus structs and link devices */
-
- for(d=first_dev; d;)
- {
- d2 = d->next;
- insert_dev(d, &host_bridge);
- d = d2;
- }
-}
-
-static void
-print_it(byte *line, byte *p)
-{
- *p++ = '\n';
- *p = 0;
- fputs(line, stdout);
- for(p=line; *p; p++)
- if (*p == '+' || *p == '|')
- *p = '|';
- else
- *p = ' ';
-}
-
-static void show_tree_bridge(struct bridge *, byte *, byte *);
-
-static void
-show_tree_dev(struct device *d, byte *line, byte *p)
-{
- struct pci_dev *q = d->dev;
- struct bridge *b;
- char namebuf[256];
-
- p += sprintf(p, "%02x.%x", q->dev, q->func);
- for(b=&host_bridge; b; b=b->chain)
- if (b->br_dev == d)
- {
- if (b->secondary == b->subordinate)
- p += sprintf(p, "-[%02x]-", b->secondary);
- else
- p += sprintf(p, "-[%02x-%02x]-", b->secondary, b->subordinate);
- show_tree_bridge(b, line, p);
- return;
- }
- if (verbose)
- p += sprintf(p, " %s",
- pci_lookup_name(pacc, namebuf, sizeof(namebuf),
- PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE,
- q->vendor_id, q->device_id, 0, 0));
- print_it(line, p);
-}
-
-static void
-show_tree_bus(struct bus *b, byte *line, byte *p)
-{
- if (!b->first_dev)
- print_it(line, p);
- else if (!b->first_dev->next)
- {
- *p++ = '-';
- *p++ = '-';
- show_tree_dev(b->first_dev, line, p);
- }
- else
- {
- struct device *d = b->first_dev;
- while (d->next)
- {
- p[0] = '+';
- p[1] = '-';
- show_tree_dev(d, line, p+2);
- d = d->next;
- }
- p[0] = '\\';
- p[1] = '-';
- show_tree_dev(d, line, p+2);
- }
-}
-
-static void
-show_tree_bridge(struct bridge *b, byte *line, byte *p)
-{
- *p++ = '-';
- if (!b->first_bus->sibling)
- {
- if (b == &host_bridge)
- p += sprintf(p, "[%02x]-", b->first_bus->number);
- show_tree_bus(b->first_bus, line, p);
- }
- else
- {
- struct bus *u = b->first_bus;
- byte *k;
-
- while (u->sibling)
- {
- k = p + sprintf(p, "+-[%02x]-", u->number);
- show_tree_bus(u, line, k);
- u = u->sibling;
- }
- k = p + sprintf(p, "\\-[%02x]-", u->number);
- show_tree_bus(u, line, k);
- }
-}
-
-static void
-show_forest(void)
-{
- char line[256];
-
- grow_tree();
- show_tree_bridge(&host_bridge, line, line);
-}
-
-/* Bus mapping mode */
-
-struct bus_bridge {
- struct bus_bridge *next;
- byte this, dev, func, first, last, bug;
-};
-
-struct bus_info {
- byte exists;
- byte guestbook;
- struct bus_bridge *bridges, *via;
-};
-
-static struct bus_info *bus_info;
-
-static void
-map_bridge(struct bus_info *bi, struct device *d, int np, int ns, int nl)
-{
- struct bus_bridge *b = xmalloc(sizeof(struct bus_bridge));
- struct pci_dev *p = d->dev;
-
- b->next = bi->bridges;
- bi->bridges = b;
- b->this = get_conf_byte(d, np);
- b->dev = p->dev;
- b->func = p->func;
- b->first = get_conf_byte(d, ns);
- b->last = get_conf_byte(d, nl);
- printf("## %02x.%02x:%d is a bridge from %02x to %02x-%02x\n",
- p->bus, p->dev, p->func, b->this, b->first, b->last);
- if (b->this != p->bus)
- printf("!!! Bridge points to invalid primary bus.\n");
- if (b->first > b->last)
- {
- printf("!!! Bridge points to invalid bus range.\n");
- b->last = b->first;
- }
-}
-
-static void
-do_map_bus(int bus)
-{
- int dev, func;
- int verbose = pacc->debugging;
- struct bus_info *bi = bus_info + bus;
- struct device *d;
-
- if (verbose)
- printf("Mapping bus %02x\n", bus);
- for(dev = 0; dev < 32; dev++)
- if (filter.slot < 0 || filter.slot == dev)
- {
- int func_limit = 1;
- for(func = 0; func < func_limit; func++)
- if (filter.func < 0 || filter.func == func)
- {
- struct pci_dev *p = pci_get_dev(pacc, bus, dev, func);
- u16 vendor = pci_read_word(p, PCI_VENDOR_ID);
- if (vendor && vendor != 0xffff)
- {
- if (!func && (pci_read_byte(p, PCI_HEADER_TYPE) & 0x80))
- func_limit = 8;
- if (verbose)
- printf("Discovered device %02x:%02x.%d\n", bus, dev, func);
- bi->exists = 1;
- if (d = scan_device(p))
- {
- show_device(d);
- switch (get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f)
- {
- case PCI_HEADER_TYPE_BRIDGE:
- map_bridge(bi, d, PCI_PRIMARY_BUS, PCI_SECONDARY_BUS, PCI_SUBORDINATE_BUS);
- break;
- case PCI_HEADER_TYPE_CARDBUS:
- map_bridge(bi, d, PCI_CB_PRIMARY_BUS, PCI_CB_CARD_BUS, PCI_CB_SUBORDINATE_BUS);
- break;
- }
- free(d);
- }
- else if (verbose)
- printf("But it was filtered out.\n");
- }
- pci_free_dev(p);
- }
- }
-}
-
-static void
-do_map_bridges(int bus, int min, int max)
-{
- struct bus_info *bi = bus_info + bus;
- struct bus_bridge *b;
-
- bi->guestbook = 1;
- for(b=bi->bridges; b; b=b->next)
- {
- if (bus_info[b->first].guestbook)
- b->bug = 1;
- else if (b->first < min || b->last > max)
- b->bug = 2;
- else
- {
- bus_info[b->first].via = b;
- do_map_bridges(b->first, b->first, b->last);
- }
- }
-}
-
-static void
-map_bridges(void)
-{
- int i;
-
- printf("\nSummary of buses:\n\n");
- for(i=0; i<256; i++)
- if (bus_info[i].exists && !bus_info[i].guestbook)
- do_map_bridges(i, 0, 255);
- for(i=0; i<256; i++)
- {
- struct bus_info *bi = bus_info + i;
- struct bus_bridge *b = bi->via;
-
- if (bi->exists)
- {
- printf("%02x: ", i);
- if (b)
- printf("Entered via %02x:%02x.%d\n", b->this, b->dev, b->func);
- else if (!i)
- printf("Primary host bus\n");
- else
- printf("Secondary host bus (?)\n");
- }
- for(b=bi->bridges; b; b=b->next)
- {
- printf("\t%02x.%d Bridge to %02x-%02x", b->dev, b->func, b->first, b->last);
- switch (b->bug)
- {
- case 1:
- printf(" <overlap bug>");
- break;
- case 2:
- printf(" <crossing bug>");
- break;
- }
- putchar('\n');
- }
- }
-}
-
-static void
-map_the_bus(void)
-{
- if (pacc->method == PCI_ACCESS_PROC_BUS_PCI ||
- pacc->method == PCI_ACCESS_DUMP)
- printf("WARNING: Bus mapping can be reliable only with direct hardware access enabled.\n\n");
- else if (!check_root())
- die("Only root can map the bus.");
- bus_info = xmalloc(sizeof(struct bus_info) * 256);
- bzero(bus_info, sizeof(struct bus_info) * 256);
- if (filter.bus >= 0)
- do_map_bus(filter.bus);
- else
- {
- int bus;
- for(bus=0; bus<256; bus++)
- do_map_bus(bus);
- }
- map_bridges();
+ for (d=first_dev; d; d=d->next)
+ if (pci_filter_match(&filter, d->dev))
+ show_device(d);
}
/* Main */
switch (i)
{
case 'n':
- pacc->numeric_ids = 1;
+ pacc->numeric_ids++;
break;
case 'v':
verbose++;
break;
case 'b':
pacc->buscentric = 1;
- buscentric_view = 1;
break;
case 's':
if (msg = pci_filter_parse_slot(&filter, optarg))
- die("-f: %s", msg);
+ die("-s: %s", msg);
+ opt_filter = 1;
break;
case 'd':
if (msg = pci_filter_parse_id(&filter, optarg))
die("-d: %s", msg);
+ opt_filter = 1;
break;
case 'x':
- show_hex++;
+ opt_hex++;
+ break;
+ case 'P':
+ opt_path++;
+ need_topology = 1;
break;
case 't':
- show_tree++;
+ opt_tree++;
+ need_topology = 1;
break;
case 'i':
- pacc->id_file_name = optarg;
+ pci_set_name_list_path(pacc, optarg, 0);
break;
case 'm':
- machine_readable++;
+ opt_machine++;
+ break;
+ case 'p':
+ opt_pcimap = optarg;
+ break;
+#ifdef PCI_OS_LINUX
+ case 'k':
+ opt_kernel++;
break;
+#endif
case 'M':
- map_mode++;
+ opt_map_mode++;
+ break;
+ case 'D':
+ opt_domains = 2;
+ break;
+#ifdef PCI_USE_DNS
+ case 'q':
+ opt_query_dns++;
break;
+ case 'Q':
+ opt_query_all = 1;
+ break;
+#else
+ case 'q':
+ case 'Q':
+ die("DNS queries are not available in this version");
+#endif
default:
if (parse_generic_option(i, pacc, optarg))
break;
if (optind < argc)
goto bad;
+ if (opt_query_dns)
+ {
+ pacc->id_lookup_mode |= PCI_LOOKUP_NETWORK;
+ if (opt_query_dns > 1)
+ pacc->id_lookup_mode |= PCI_LOOKUP_REFRESH_CACHE;
+ }
+ if (opt_query_all)
+ pacc->id_lookup_mode |= PCI_LOOKUP_NETWORK | PCI_LOOKUP_SKIP_LOCAL;
+
pci_init(pacc);
- if (map_mode)
- map_the_bus();
+ if (opt_map_mode)
+ {
+ if (need_topology)
+ die("Bus mapping mode does not recognize bus topology");
+ map_the_bus();
+ }
else
{
scan_devices();
sort_them();
- if (show_tree)
- show_forest();
+ if (need_topology)
+ grow_tree();
+ if (opt_tree)
+ show_forest(opt_filter ? &filter : NULL);
else
show();
}
+ show_kernel_cleanup();
pci_cleanup(pacc);
- return 0;
+ return (seen_errors ? 2 : 0);
}
projects / pciutils.git / blobdiff