/*
- * $Id: lspci.c,v 1.3 1997/12/27 11:57:12 mj Exp $
+ * $Id: lspci.c,v 1.30 1999/10/09 13:26:02 mj Exp $
*
* Linux PCI Utilities -- List All PCI Devices
*
- * Copyright (c) 1997 Martin Mares <mj@atrey.karlin.mff.cuni.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.
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
-#include <fcntl.h>
+#include <stdarg.h>
#include <unistd.h>
-#include <linux/pci.h>
#include "pciutils.h"
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 int bus_filter = -1; /* Bus, slot, function, vendor and device ID filtering */
-static int slot_filter = -1;
-static int func_filter = -1;
-static int vend_filter = -1;
-static int dev_filter = -1;
+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[] = "nvbxB:S:F:V:D:t";
+static char options[] = "nvbxs:d:ti:mgM" GENERIC_OPTIONS ;
static char help_msg[] = "\
Usage: lspci [<switches>]\n\
\n\
--v\tBe verbose\n\
--n\tShow numeric ID's\n\
--b\tBus-centric view (PCI addresses and IRQ's instead of those seen by the CPU)\n\
--x\tShow hex-dump of config space (-xx shows full 256 bytes)\n\
--B <bus>, -S <slot>, -F <func>, -V <vendor>, -D <device> Show only selected devices\n\
--t\tShow bus tree\n\
-";
-
-/* Format strings used for IRQ numbers */
-
-#ifdef __sparc_v9__
+-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"
#endif
+#ifdef HAVE_64BIT_ADDRESS
+#ifdef HAVE_LONG_ADDRESS
+#define ADDR_FORMAT "%016Lx"
+#else
+#define ADDR_FORMAT "%016lx"
+#endif
+#else
+#define ADDR_FORMAT "%08lx"
+#endif
+
+#ifdef ARCH_SPARC64
+#define IO_FORMAT "%016Lx"
+#elif defined(HAVE_64BIT_ADDRESS)
+#define IO_FORMAT "%04Lx"
+#else
+#define IO_FORMAT "%04lx"
+#endif
+
/* Our view of the PCI bus */
struct device {
struct device *next;
- byte bus, devfn;
- word vendid, devid;
- unsigned int kernel_irq;
- unsigned long kernel_base_addr[6];
+ struct pci_dev *dev;
+ unsigned int config_cnt;
byte config[256];
};
-static struct device *first_dev, **last_dev = &first_dev;
+static struct device *first_dev;
-/* Miscellaneous routines */
-
-void *
-xmalloc(unsigned int howmuch)
+static struct device *
+scan_device(struct pci_dev *p)
{
- void *p = malloc(howmuch);
- if (!p)
+ int how_much = (show_hex > 2) ? 256 : 64;
+ struct device *d;
+
+ if (!pci_filter_match(&filter, p))
+ return NULL;
+ d = xmalloc(sizeof(struct device));
+ bzero(d, 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)
{
- fprintf(stderr, "lspci: Unable to allocate %d bytes of memory\n", howmuch);
- exit(1);
+ /* For cardbus bridges, we need to fetch 64 bytes more to get the full standard header... */
+ if (!pci_read_block(p, 0, d->config+64, 64))
+ die("Unable to read cardbus bridge extension data.");
+ how_much = 128;
}
- return p;
+ 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);
+ return d;
}
-/* Filtering */
-
-static inline int
-filter_out(struct device *d)
-{
- return (bus_filter >= 0 && d->bus != bus_filter ||
- slot_filter >= 0 && PCI_SLOT(d->devfn) != slot_filter ||
- func_filter >= 0 && PCI_FUNC(d->devfn) != func_filter ||
- vend_filter >= 0 && d->vendid != vend_filter ||
- dev_filter >= 0 && d->devid != dev_filter);
-}
-
-/* Interface for /proc/bus/pci */
-
static void
-scan_dev_list(void)
-{
- FILE *f;
- byte line[256];
-
- if (! (f = fopen(PROC_BUS_PCI "/devices", "r")))
- {
- perror("Unable to open " PROC_BUS_PCI "/devices");
- exit(1);
- }
- while (fgets(line, sizeof(line), f))
- {
- struct device *d = xmalloc(sizeof(struct device));
- unsigned int dfn, vend;
-
- sscanf(line, "%x %x %x %lx %lx %lx %lx %lx %lx",
- &dfn,
- &vend,
- &d->kernel_irq,
- &d->kernel_base_addr[0],
- &d->kernel_base_addr[1],
- &d->kernel_base_addr[2],
- &d->kernel_base_addr[3],
- &d->kernel_base_addr[4],
- &d->kernel_base_addr[5]);
- d->bus = dfn >> 8U;
- d->devfn = dfn & 0xff;
- d->vendid = vend >> 16U;
- d->devid = vend & 0xffff;
- if (!filter_out(d))
- {
- *last_dev = d;
- last_dev = &d->next;
- d->next = NULL;
- }
- }
- fclose(f);
-}
-
-static inline void
-make_proc_pci_name(struct device *d, char *p)
+scan_devices(void)
{
- sprintf(p, PROC_BUS_PCI "/%02x/%02x.%x",
- d->bus, PCI_SLOT(d->devfn), PCI_FUNC(d->devfn));
+ struct device *d;
+ struct pci_dev *p;
+
+ pci_scan_bus(pacc);
+ for(p=pacc->devices; p; p=p->next)
+ if (d = scan_device(p))
+ {
+ d->next = first_dev;
+ first_dev = d;
+ }
}
-static void
-scan_config(void)
+static int
+check_root(void)
{
- struct device *d;
- char name[64];
- int fd;
- int how_much = (show_hex > 1) ? 256 : 64;
+ static int is_root = -1;
- for(d=first_dev; d; d=d->next)
- {
- make_proc_pci_name(d, name);
- if ((fd = open(name, O_RDONLY)) < 0)
- {
- fprintf(stderr, "lspci: Unable to open %s: %m\n", name);
- exit(1);
- }
- if (read(fd, d->config, how_much) != how_much)
- {
- fprintf(stderr, "lspci: Error reading %s: %m\n", name);
- exit(1);
- }
- close(fd);
- }
+ if (is_root < 0)
+ is_root = !geteuid();
+ return is_root;
}
-static void
-scan_proc(void)
+static int
+config_fetch(struct device *d, unsigned int pos, unsigned int len)
{
- scan_dev_list();
- scan_config();
+ 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);
}
/* Config space accesses */
static int
compare_them(const void *A, const void *B)
{
- const struct device *a = *(const struct device **)A;
- const struct device *b = *(const struct device **)B;
+ const struct pci_dev *a = (*(const struct device **)A)->dev;
+ const struct pci_dev *b = (*(const struct device **)B)->dev;
if (a->bus < b->bus)
return -1;
if (a->bus > b->bus)
return 1;
- if (a->devfn < b->devfn)
+ if (a->dev < b->dev)
+ return -1;
+ if (a->dev > b->dev)
+ return 1;
+ if (a->func < b->func)
return -1;
- if (a->devfn > b->devfn)
+ if (a->func > b->func)
return 1;
return 0;
}
static void
sort_them(void)
{
- struct device **index, **h;
+ struct device **index, **h, **last_dev;
int cnt;
struct device *d;
/* Normal output */
+#define FLAG(x,y) ((x & y) ? '+' : '-')
+
static void
show_terse(struct device *d)
{
int c;
+ struct pci_dev *p = d->dev;
+ byte classbuf[128], devbuf[128];
printf("%02x:%02x.%x %s: %s",
- d->bus,
- PCI_SLOT(d->devfn),
- PCI_FUNC(d->devfn),
- lookup_class(get_conf_word(d, PCI_CLASS_DEVICE)),
- lookup_device_full(d->vendid, d->devid));
+ p->bus,
+ p->dev,
+ p->func,
+ pci_lookup_name(pacc, classbuf, sizeof(classbuf),
+ PCI_LOOKUP_CLASS,
+ get_conf_word(d, PCI_CLASS_DEVICE), 0, 0, 0),
+ 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);
if (verbose && (c = get_conf_byte(d, PCI_CLASS_PROG)))
- printf(" (prog-if %02x)", c);
+ {
+ char *x = pci_lookup_name(pacc, devbuf, sizeof(devbuf),
+ PCI_LOOKUP_PROGIF,
+ get_conf_word(d, PCI_CLASS_DEVICE), c, 0, 0);
+ printf(" (prog-if %02x", c);
+ if (x)
+ printf(" [%s]", x);
+ putchar(')');
+ }
putchar('\n');
}
+static void
+show_size(pciaddr_t x)
+{
+ 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));
+ else
+ printf(ADDR_FORMAT, x);
+ putchar(']');
+}
+
static void
show_bases(struct device *d, int cnt)
{
+ struct pci_dev *p = d->dev;
word cmd = get_conf_word(d, PCI_COMMAND);
int i;
- for(i=0; i<6; i++)
+ for(i=0; i<cnt; i++)
{
- unsigned long pos;
- unsigned int flg = get_conf_long(d, PCI_BASE_ADDRESS_0 + 4*i);
- if (buscentric_view)
- pos = flg;
- else
- pos = d->kernel_base_addr[i];
- if (!pos || pos == 0xffffffff)
+ 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);
+ 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 */
+ {
+ printf("[virtual] ");
+ flg = pos;
+ }
if (flg & PCI_BASE_ADDRESS_SPACE_IO)
{
- if (cmd & PCI_COMMAND_IO)
- printf("I/O ports at %04lx\n", pos & PCI_BASE_ADDRESS_IO_MASK);
+ 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)
+ printf("<ignored>");
+ else
+ printf("<unassigned>");
+ if (!(cmd & PCI_COMMAND_IO))
+ printf(" [disabled]");
}
- else if (cmd & PCI_COMMAND_MEMORY)
+ 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)
+ if (i >= cnt - 1)
+ {
+ printf("<invalid-64bit-slot>");
+ done = 1;
+ }
+ else
{
i++;
- if (!buscentric_view)
- printf("%08x", get_conf_long(d, PCI_BASE_ADDRESS_0 + 4*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("????????");
+ printf(((flg & PCI_BASE_ADDRESS_MEM_MASK) || z) ? "<ignored>" : "<unassigned>");
}
- printf("%08lx (%s, %sprefetchable)\n",
- pos & PCI_BASE_ADDRESS_MEM_MASK,
+ 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 32-bit" : "???",
+ (t == PCI_BASE_ADDRESS_MEM_TYPE_1M) ? "low-1M" : "type 3",
(flg & PCI_BASE_ADDRESS_MEM_PREFETCH) ? "" : "non-");
+ if (!(cmd & PCI_COMMAND_MEMORY))
+ printf(" [disabled]");
}
+ show_size(len);
+ putchar('\n');
}
}
static void
-show_htype0(struct device *d)
+show_pm(struct device *d, int where, int cap)
{
- u32 rom = get_conf_long(d, PCI_ROM_ADDRESS);
+ int t;
+
+ printf("Power Management version %d\n", cap & PCI_PM_CAP_VER_MASK);
+ if (verbose < 2)
+ return;
+ printf("\t\tFlags: PMEClk%c AuxPwr%c DSI%c D1%c D2%c PME%c\n",
+ FLAG(cap, PCI_PM_CAP_PME_CLOCK),
+ FLAG(cap, PCI_PM_CAP_AUX_POWER),
+ FLAG(cap, PCI_PM_CAP_DSI),
+ FLAG(cap, PCI_PM_CAP_D1),
+ FLAG(cap, PCI_PM_CAP_D2),
+ FLAG(cap, PCI_PM_CAP_PME));
+ 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=%x DScale=%x 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));
+}
- show_bases(d, 6);
+static void
+show_agp(struct device *d, int where, int cap)
+{
+ u32 t;
+
+ 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);
+ printf("\t\tStatus: RQ=%d SBA%c 64bit%c FW%c Rate=%s%s%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),
+ (t & PCI_AGP_STATUS_RATE4) ? "4" : "",
+ (t & PCI_AGP_STATUS_RATE2) ? "2" : "",
+ (t & PCI_AGP_STATUS_RATE1) ? "1" : "");
+ t = get_conf_long(d, where + PCI_AGP_COMMAND);
+ printf("\t\tCommand: RQ=%d SBA%c AGP%c 64bit%c FW%c Rate=%s%s%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),
+ (t & PCI_AGP_COMMAND_RATE4) ? "4" : "",
+ (t & PCI_AGP_COMMAND_RATE2) ? "2" : "",
+ (t & PCI_AGP_COMMAND_RATE1) ? "1" : "");
+}
+
+static void
+show_rom(struct device *d)
+{
+ 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;
+
+ if (!rom && !len)
+ return;
+ printf("\tExpansion ROM at ");
+ if (rom & PCI_ROM_ADDRESS_MASK)
+ printf(ADDR_FORMAT, rom & PCI_ROM_ADDRESS_MASK);
+ else
+ printf("<unassigned>");
+ if (!(rom & PCI_ROM_ADDRESS_ENABLE))
+ printf(" [disabled]");
+ show_size(len);
+ putchar('\n');
+}
- if (rom & 1)
+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)
{
- word cmd = get_conf_word(d, PCI_COMMAND);
- printf("\tExpansion ROM at %08x%s\n", rom & ~0xfff,
- (cmd & PCI_COMMAND_MEMORY) ? "" : " [disabled]");
+ 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);
+}
+
+static void
+show_slotid(int cap)
+{
+ int esr = cap & 0xff;
+ int chs = cap >> 8;
+
+ printf("Slot ID: %d slots, First%c, chassis %02x\n",
+ esr & PCI_SID_ESR_NSLOTS,
+ FLAG(esr, PCI_SID_ESR_FIC),
+ chs);
+}
+
+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;
+ }
+ }
+}
+
+static void
+show_htype0(struct device *d)
+{
+ show_bases(d, 6);
+ show_rom(d);
+ show_caps(d);
}
static void
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;
- u32 rom = get_conf_long(d, PCI_ROM_ADDRESS1);
word brc = get_conf_word(d, PCI_BRIDGE_CONTROL);
+ int verb = verbose > 2;
show_bases(d, 2);
printf("\tBus: primary=%02x, secondary=%02x, subordinate=%02x, sec-latency=%d\n",
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)
+ if (io_base <= io_limit || verb)
printf("\tI/O behind bridge: %08x-%08x\n", io_base, io_limit+0xfff);
}
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 if (mem_base)
+ else
{
mem_base = (mem_base & PCI_MEMORY_RANGE_MASK) << 16;
mem_limit = (mem_limit & PCI_MEMORY_RANGE_MASK) << 16;
- printf("\tMemory behind bridge: %08x-%08x\n", mem_base, mem_limit + 0xfffff);
+ if (mem_base <= mem_limit || verb)
+ printf("\tMemory behind bridge: %08x-%08x\n", mem_base, mem_limit + 0xfffff);
}
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 if (pref_base)
+ else
{
pref_base = (pref_base & PCI_PREF_RANGE_MASK) << 16;
pref_limit = (pref_limit & PCI_PREF_RANGE_MASK) << 16;
- if (pref_type == PCI_PREF_RANGE_TYPE_32)
- printf("\tPrefetchable memory behind bridge: %08x-%08x\n", pref_base, pref_limit);
- 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);
+ if (pref_base <= pref_limit || verb)
+ {
+ 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);
+ }
}
if (get_conf_word(d, PCI_SEC_STATUS) & PCI_STATUS_SIG_SYSTEM_ERROR)
printf("\tSecondary status: SERR\n");
- if (rom & 1)
+ show_rom(d);
+
+ 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);
+}
+
+static void
+show_htype2(struct device *d)
+{
+ 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);
+ int verb = verbose > 2;
+
+ show_bases(d, 1);
+ 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++)
{
- word cmd = get_conf_word(d, PCI_COMMAND);
- printf("\tExpansion ROM at %08x%s\n", rom & ~0xfff,
- (cmd & PCI_COMMAND_MEMORY) ? "" : " [disabled]");
+ 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)
+ printf("Memory 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++)
+ {
+ int p = 8*i;
+ u32 base = get_conf_long(d, PCI_CB_IO_BASE_0 + p);
+ u32 limit = get_conf_long(d, PCI_CB_IO_LIMIT_0 + p);
+ if (!(base & PCI_IO_RANGE_TYPE_32))
+ {
+ base &= 0xffff;
+ limit &= 0xffff;
+ }
+ base &= PCI_CB_IO_RANGE_MASK;
+ limit = (limit & PCI_CB_IO_RANGE_MASK) + 3;
+ if (base <= limit || verb)
+ printf("\tI/O window %d: %08x-%08x%s\n", i, base, limit,
+ (cmd & PCI_COMMAND_IO) ? "" : " [disabled]");
}
+ if (get_conf_word(d, PCI_CB_SEC_STATUS) & PCI_STATUS_SIG_SYSTEM_ERROR)
+ printf("\tSecondary status: SERR\n");
if (verbose > 1)
- printf("\tBridgeCtl: Parity%c SERR%c NoISA%c VGA%c MAbort%c >Reset%c FastB2B%c\n",
- (brc & PCI_BRIDGE_CTL_PARITY) ? '+' : '-',
- (brc & PCI_BRIDGE_CTL_SERR) ? '+' : '-',
- (brc & PCI_BRIDGE_CTL_NO_ISA) ? '+' : '-',
- (brc & PCI_BRIDGE_CTL_VGA) ? '+' : '-',
- (brc & PCI_BRIDGE_CTL_MASTER_ABORT) ? '+' : '-',
- (brc & PCI_BRIDGE_CTL_BUS_RESET) ? '+' : '-',
- (brc & PCI_BRIDGE_CTL_FAST_BACK) ? '+' : '-');
+ printf("\tBridgeCtl: Parity%c SERR%c ISA%c VGA%c MAbort%c >Reset%c 16bInt%c PostWrite%c\n",
+ FLAG(brc, PCI_CB_BRIDGE_CTL_PARITY),
+ FLAG(brc, PCI_CB_BRIDGE_CTL_SERR),
+ FLAG(brc, PCI_CB_BRIDGE_CTL_ISA),
+ FLAG(brc, PCI_CB_BRIDGE_CTL_VGA),
+ FLAG(brc, PCI_CB_BRIDGE_CTL_MASTER_ABORT),
+ 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 (exca)
+ printf("\t16-bit legacy interface ports at %04x\n", exca);
}
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 cache_line = get_conf_byte(d, PCI_CACHE_LINE_SIZE);
byte max_lat, min_gnt;
byte int_pin = get_conf_byte(d, PCI_INTERRUPT_PIN);
- byte int_line = get_conf_byte(d, PCI_INTERRUPT_LINE);
- unsigned int irq, ex_htype;
+ unsigned int irq = p->irq;
word subsys_v, subsys_d;
+ char ssnamebuf[256];
show_terse(d);
- switch (class)
- {
- case PCI_CLASS_BRIDGE_PCI:
- ex_htype = 1;
- break;
- default:
- ex_htype = 0;
- }
- if (ex_htype != htype)
- {
- printf("\t!!! Header type %02x doesn't match class code %04x\n", htype, class);
- return;
- }
-
switch (htype)
{
- case 0:
+ 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;
+ }
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 1:
- irq = int_line = int_pin = min_gnt = max_lat = 0;
+ 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;
break;
+ case PCI_HEADER_TYPE_CARDBUS:
+ if ((class >> 8) != PCI_BASE_CLASS_BRIDGE)
+ goto badhdr;
+ 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:
printf("\t!!! Unknown header type %02x\n", htype);
return;
}
- if (buscentric_view)
- irq = int_line;
- else
- irq = d->kernel_irq;
+ 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 (verbose > 1)
{
- if (subsys_v)
- printf("\tSubsystem ID: %04x:%04x\n", subsys_v, subsys_d);
printf("\tControl: I/O%c Mem%c BusMaster%c SpecCycle%c MemWINV%c VGASnoop%c ParErr%c Stepping%c SERR%c FastB2B%c\n",
- (cmd & PCI_COMMAND_IO) ? '+' : '-',
- (cmd & PCI_COMMAND_MEMORY) ? '+' : '-',
- (cmd & PCI_COMMAND_MASTER) ? '+' : '-',
- (cmd & PCI_COMMAND_SPECIAL) ? '+' : '-',
- (cmd & PCI_COMMAND_INVALIDATE) ? '+' : '-',
- (cmd & PCI_COMMAND_VGA_PALETTE) ? '+' : '-',
- (cmd & PCI_COMMAND_PARITY) ? '+' : '-',
- (cmd & PCI_COMMAND_WAIT) ? '+' : '-',
- (cmd & PCI_COMMAND_SERR) ? '+' : '-',
- (cmd & PCI_COMMAND_FAST_BACK) ? '+' : '-');
- printf("\tStatus: 66Mhz%c UDF%c FastB2B%c ParErr%c DEVSEL=%s >TAbort%c <TAbort%c <MAbort%c >SERR%c <PERR%c\n",
- (status & PCI_STATUS_66MHZ) ? '+' : '-',
- (status & PCI_STATUS_UDF) ? '+' : '-',
- (status & PCI_STATUS_FAST_BACK) ? '+' : '-',
- (status & PCI_STATUS_PARITY) ? '+' : '-',
+ FLAG(cmd, PCI_COMMAND_IO),
+ FLAG(cmd, PCI_COMMAND_MEMORY),
+ FLAG(cmd, PCI_COMMAND_MASTER),
+ FLAG(cmd, PCI_COMMAND_SPECIAL),
+ FLAG(cmd, PCI_COMMAND_INVALIDATE),
+ FLAG(cmd, PCI_COMMAND_VGA_PALETTE),
+ 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(status, PCI_STATUS_CAP_LIST),
+ FLAG(status, PCI_STATUS_66MHZ),
+ FLAG(status, PCI_STATUS_UDF),
+ FLAG(status, PCI_STATUS_FAST_BACK),
+ FLAG(status, PCI_STATUS_PARITY),
((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_SLOW) ? "slow" :
((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_MEDIUM) ? "medium" :
((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_FAST) ? "fast" : "??",
- (status & PCI_STATUS_SIG_TARGET_ABORT) ? '+' : '-',
- (status & PCI_STATUS_REC_TARGET_ABORT) ? '+' : '-',
- (status & PCI_STATUS_REC_MASTER_ABORT) ? '+' : '-',
- (status & PCI_STATUS_SIG_SYSTEM_ERROR) ? '+' : '-',
- (status & PCI_STATUS_DETECTED_PARITY) ? '+' : '-');
+ FLAG(status, PCI_STATUS_SIG_TARGET_ABORT),
+ 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));
if (cmd & PCI_COMMAND_MASTER)
{
printf("\tLatency: ");
printf(", cache line size %02x", cache_line);
putchar('\n');
}
- if (int_pin)
- printf("\tInterrupt: pin %c routed to IRQ " IRQ_FORMAT "\n", 'A' + int_pin - 1, irq);
+ if (int_pin || irq)
+ printf("\tInterrupt: pin %c routed to IRQ " IRQ_FORMAT "\n",
+ (int_pin ? 'A' + int_pin - 1 : '?'), irq);
}
else
{
((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_FAST) ? "fast" : "??");
if (cmd & PCI_COMMAND_MASTER)
printf(", latency %d", latency);
- if (int_pin)
- if (d->kernel_irq)
- printf(", IRQ " IRQ_FORMAT, irq);
- else
- printf(", IRQ ?");
+ if (irq)
+ printf(", IRQ " IRQ_FORMAT, irq);
putchar('\n');
}
switch (htype)
{
- case 0:
+ case PCI_HEADER_TYPE_NORMAL:
show_htype0(d);
break;
- case 1:
+ case PCI_HEADER_TYPE_BRIDGE:
show_htype1(d);
break;
+ case PCI_HEADER_TYPE_CARDBUS:
+ show_htype2(d);
+ break;
}
}
static void
show_hex_dump(struct device *d)
{
- int i;
- int limit = (show_hex > 1) ? 256 : 64;
+ unsigned int i;
- for(i=0; i<limit; i++)
+ for(i=0; i<d->config_cnt; i++)
{
if (! (i & 15))
printf("%02x:", i);
}
static void
-show(void)
+show_machine(struct device *d)
{
- struct device *d;
+ 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];
- for(d=first_dev; d; d=d->next)
+ switch (get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f)
{
- if (verbose)
- show_verbose(d);
+ 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 (verbose)
+ {
+ printf("Device:\t%02x:%02x.%x\n", p->bus, p->dev, p->func);
+ 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));
+ printf("Vendor:\t%s\n",
+ pci_lookup_name(pacc, vendbuf, sizeof(vendbuf), PCI_LOOKUP_VENDOR, p->vendor_id, p->device_id, 0, 0));
+ 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)
+ {
+ 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));
+ 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));
+ }
+ 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);
+ }
+ 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));
else
- show_terse(d);
- if (show_hex)
- show_hex_dump(d);
- if (verbose || show_hex)
- putchar('\n');
+ printf(" \"\" \"\"");
+ putchar('\n');
}
}
+static void
+show_device(struct device *d)
+{
+ if (machine_readable)
+ show_machine(d);
+ else if (verbose)
+ show_verbose(d);
+ else
+ show_terse(d);
+ if (show_hex)
+ show_hex_dump(d);
+ if (verbose || show_hex)
+ putchar('\n');
+}
+
+static void
+show(void)
+{
+ struct device *d;
+
+ for(d=first_dev; d; d=d->next)
+ show_device(d);
+}
+
/* Tree output */
struct bridge {
static void
insert_dev(struct device *d, struct bridge *b)
{
+ struct pci_dev *p = d->dev;
struct bus *bus;
- if (! (bus = find_bus(b, d->bus)))
+ if (! (bus = find_bus(b, p->bus)))
{
struct bridge *c;
for(c=b->child; c; c=c->next)
- if (c->secondary <= d->bus && d->bus <= c->subordinate)
+ if (c->secondary <= p->bus && p->bus <= c->subordinate)
return insert_dev(d, c);
- bus = new_bus(b, d->bus);
+ 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
grow_tree(void)
{
struct device *d, *d2;
- struct bridge *first_br, *b;
+ struct bridge **last_br, *b;
/* Build list of bridges */
- first_br = &host_bridge;
+ last_br = &host_bridge.chain;
for(d=first_dev; d; d=d->next)
{
word class = get_conf_word(d, PCI_CLASS_DEVICE);
- if (class == PCI_CLASS_BRIDGE_PCI && (get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f) == 1)
+ 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));
- 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);
- b->chain = first_br;
- first_br = b;
+ 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=first_br; b; b=b->chain)
+ for(b=&host_bridge; b; b=b->chain)
{
struct bridge *c, *best;
best = NULL;
- for(c=first_br; c; c=c->chain)
+ 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;
/* Insert secondary bus for each bridge */
- for(b=first_br; b; b=b->chain)
+ for(b=&host_bridge; b; b=b->chain)
if (!find_bus(b, b->secondary))
new_bus(b, b->secondary);
*p = 0;
fputs(line, stdout);
for(p=line; *p; p++)
- if (*p == '+')
+ if (*p == '+' || *p == '|')
*p = '|';
else
*p = ' ';
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", PCI_SLOT(d->devfn), PCI_FUNC(d->devfn));
+ p += sprintf(p, "%02x.%x", q->dev, q->func);
for(b=&host_bridge; b; b=b->chain)
if (b->br_dev == d)
{
- p += sprintf(p, "-[%02x-%02x]-", b->secondary, b->subordinate);
+ 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);
}
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();
+}
+
/* Main */
int
main(int argc, char **argv)
{
int i;
+ char *msg;
+
+ if (argc == 2 && !strcmp(argv[1], "--version"))
+ {
+ puts("lspci version " PCIUTILS_VERSION);
+ return 0;
+ }
+
+ pacc = pci_alloc();
+ pacc->error = die;
+ pci_filter_init(pacc, &filter);
while ((i = getopt(argc, argv, options)) != -1)
switch (i)
{
case 'n':
- show_numeric_ids = 1;
+ pacc->numeric_ids = 1;
break;
case 'v':
verbose++;
break;
case 'b':
+ pacc->buscentric = 1;
buscentric_view = 1;
break;
- case 'B':
- bus_filter = strtol(optarg, NULL, 16);
- break;
- case 'S':
- slot_filter = strtol(optarg, NULL, 16);
- break;
- case 'F':
- func_filter = strtol(optarg, NULL, 16);
+ case 's':
+ if (msg = pci_filter_parse_slot(&filter, optarg))
+ die("-f: %s", msg);
break;
- case 'V':
- vend_filter = strtol(optarg, NULL, 16);
- break;
- case 'D':
- dev_filter = strtol(optarg, NULL, 16);
+ case 'd':
+ if (msg = pci_filter_parse_id(&filter, optarg))
+ die("-d: %s", msg);
break;
case 'x':
show_hex++;
case 't':
show_tree++;
break;
+ case 'i':
+ pacc->id_file_name = optarg;
+ break;
+ case 'm':
+ machine_readable++;
+ break;
+ case 'M':
+ map_mode++;
+ break;
default:
+ if (parse_generic_option(i, pacc, optarg))
+ break;
bad:
- fprintf(stderr, help_msg);
+ fprintf(stderr, help_msg, pacc->id_file_name);
return 1;
}
if (optind < argc)
goto bad;
- scan_proc();
- sort_them();
- if (show_tree)
- show_forest();
+ pci_init(pacc);
+ if (map_mode)
+ map_the_bus();
else
- show();
+ {
+ scan_devices();
+ sort_them();
+ if (show_tree)
+ show_forest();
+ else
+ show();
+ }
+ pci_cleanup(pacc);
return 0;
}