/*
* The PCI Utilities -- List All PCI Devices
*
- * Copyright (c) 1997--2004 Martin Mares <mj@ucw.cz>
+ * Copyright (c) 1997--2008 Martin Mares <mj@ucw.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
#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 the standard portion of config space\n\
--xxx\t\tShow hex-dump of the whole config space (dangerous; root only)\n\
--s [[[[<domain>]:]<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"
+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_tree; /* Show bus tree */
+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:ti: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 for very verbose)\n"
+#ifdef PCI_OS_LINUX
+"-k\t\tShow kernel drivers handling each device\n"
+#endif
+"-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"
+"\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
+"\n"
+"Selection of devices:\n"
+"-s [[[[<domain>]:]<bus>]:][<slot>][.[<func>]]\tShow only devices in selected slots\n"
+"-d [<vendor>]:[<device>]\t\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
;
-/* Communication with libpci */
-
-static struct pci_access *pacc;
-
-/*
- * 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.
- */
+/*** Our view of the PCI bus ***/
-#ifndef __GNUC__
-#define alloca malloc
-#endif
+struct pci_access *pacc;
+struct device *first_dev;
+static int seen_errors;
-/* Our view of the PCI bus */
+int
+config_fetch(struct device *d, unsigned int pos, unsigned int len)
+{
+ unsigned int end = pos+len;
+ int result;
-struct device {
- struct device *next;
- struct pci_dev *dev;
- unsigned int config_cnt;
- byte config[256];
-};
+ 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 (p->domain && !opt_domains)
+ opt_domains = 1;
if (!pci_filter_match(&filter, p))
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)
- {
- /* 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->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);
+ d->config_cached = d->config_bufsize = 64;
+ d->config = xmalloc(64);
+ d->present = xmalloc(64);
+ memset(d->present, 1, 64);
+ if (!pci_read_block(p, 0, d->config, 64))
+ {
+ fprintf(stderr, "lspci: Unable to read the standard configuration space header of device %04x:%02x:%02x.%d\n",
+ p->domain, p->bus, p->dev, p->func);
+ seen_errors++;
+ return NULL;
+ }
+ if ((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_IRQ | PCI_FILL_BASES | PCI_FILL_ROM_BASE | PCI_FILL_SIZES | PCI_FILL_PHYS_SLOT);
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)
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 */
-
-#define FLAG(x,y) ((x & y) ? '+' : '-')
+/*** Normal output ***/
static void
show_slot_name(struct device *d)
{
struct pci_dev *p = d->dev;
- if (p->domain)
+ if (!opt_machine ? opt_domains : (p->domain || opt_domains >= 2))
printf("%04x:", p->domain);
printf("%02x:%02x.%d", p->bus, p->dev, p->func);
}
+void
+get_subid(struct device *d, word *subvp, word *subdp)
+{
+ byte htype = get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f;
+
+ if (htype == PCI_HEADER_TYPE_NORMAL)
+ {
+ *subvp = get_conf_word(d, PCI_SUBSYSTEM_VENDOR_ID);
+ *subdp = get_conf_word(d, PCI_SUBSYSTEM_ID);
+ }
+ else if (htype == PCI_HEADER_TYPE_CARDBUS && d->config_cached >= 128)
+ {
+ *subvp = get_conf_word(d, PCI_CB_SUBSYSTEM_VENDOR_ID);
+ *subdp = get_conf_word(d, PCI_CB_SUBSYSTEM_ID);
+ }
+ else
+ *subvp = *subdp = 0xffff;
+}
+
static void
show_terse(struct device *d)
{
int c;
struct pci_dev *p = d->dev;
- byte classbuf[128], devbuf[128];
+ char classbuf[128], devbuf[128];
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));
+ p->vendor_id, p->device_id));
if (c = get_conf_byte(d, PCI_REVISION_ID))
printf(" (rev %02x)", c);
if (verbose)
char *x;
c = get_conf_byte(d, PCI_CLASS_PROG);
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)
+ {
+ word subsys_v, subsys_d;
+ char ssnamebuf[256];
+
+ get_subid(d, &subsys_v, &subsys_d);
+ 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));
+ }
}
+/*** Verbose output ***/
+
static void
show_size(pciaddr_t 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));
- else
- printf(PCIADDR_T_FMT, x);
- putchar(']');
+ 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
struct pci_dev *p = d->dev;
word cmd = get_conf_word(d, PCI_COMMAND);
int i;
+ int virtual = 0;
- 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;
{
printf("[virtual] ");
flg = pos;
+ virtual = 1;
}
if (flg & PCI_BASE_ADDRESS_SPACE_IO)
{
printf("<ignored>");
else
printf("<unassigned>");
- if (!(cmd & PCI_COMMAND_IO))
+ if (!virtual && !(cmd & PCI_COMMAND_IO))
printf(" [disabled]");
}
else
{
i++;
z = get_conf_long(d, PCI_BASE_ADDRESS_0 + 4*i);
- if (buscentric_view)
- {
- if (a || z)
- printf("%08x" PCIADDR_T_FMT, z, a);
- else
- printf("<unassigned>");
- done = 1;
- }
}
}
if (!done)
(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 && !(cmd & PCI_COMMAND_MEMORY))
printf(" [disabled]");
}
show_size(len);
}
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));
- if (!config_fetch(d, where + PCI_PM_CTRL, PCI_PM_SIZEOF - PCI_PM_CTRL))
- return;
- 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, int agp3)
-{
- 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 + 2*agp3));
- }
- 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];
- int ver, rev;
- int agp3 = 0;
-
- ver = (cap >> 4) & 0x0f;
- rev = cap & 0x0f;
- printf("AGP version %x.%x\n", ver, rev);
- if (verbose < 2)
- return;
- if (!config_fetch(d, where + PCI_AGP_STATUS, PCI_AGP_SIZEOF - PCI_AGP_STATUS))
- return;
- t = get_conf_long(d, where + PCI_AGP_STATUS);
- if (ver >= 3 && (t & PCI_AGP_STATUS_AGP3))
- agp3 = 1;
- format_agp_rate(t & 7, rate, agp3);
- printf("\t\tStatus: RQ=%d Iso%c ArqSz=%d Cal=%d SBA%c ITACoh%c GART64%c HTrans%c 64bit%c FW%c AGP3%c Rate=%s\n",
- ((t & PCI_AGP_STATUS_RQ_MASK) >> 24U) + 1,
- FLAG(t, PCI_AGP_STATUS_ISOCH),
- ((t & PCI_AGP_STATUS_ARQSZ_MASK) >> 13),
- ((t & PCI_AGP_STATUS_CAL_MASK) >> 10),
- FLAG(t, PCI_AGP_STATUS_SBA),
- FLAG(t, PCI_AGP_STATUS_ITA_COH),
- FLAG(t, PCI_AGP_STATUS_GART64),
- FLAG(t, PCI_AGP_STATUS_HTRANS),
- FLAG(t, PCI_AGP_STATUS_64BIT),
- FLAG(t, PCI_AGP_STATUS_FW),
- FLAG(t, PCI_AGP_STATUS_AGP3),
- rate);
- t = get_conf_long(d, where + PCI_AGP_COMMAND);
- format_agp_rate(t & 7, rate, agp3);
- printf("\t\tCommand: RQ=%d ArqSz=%d Cal=%d SBA%c AGP%c GART64%c 64bit%c FW%c Rate=%s\n",
- ((t & PCI_AGP_COMMAND_RQ_MASK) >> 24U) + 1,
- ((t & PCI_AGP_COMMAND_ARQSZ_MASK) >> 13),
- ((t & PCI_AGP_COMMAND_CAL_MASK) >> 10),
- FLAG(t, PCI_AGP_COMMAND_SBA),
- FLAG(t, PCI_AGP_COMMAND_AGP),
- FLAG(t, PCI_AGP_COMMAND_GART64),
- FLAG(t, PCI_AGP_COMMAND_64BIT),
- FLAG(t, PCI_AGP_COMMAND_FW),
- rate);
-}
-
-static void
-show_pcix_nobridge(struct device *d, int where)
-{
- u16 command;
- u32 status;
-
- printf("PCI-X non-bridge device.\n");
-
- if (verbose < 2)
- return;
-
- if (!config_fetch(d, where + PCI_PCIX_STATUS, 4))
- return;
-
- command = get_conf_word(d, where + PCI_PCIX_COMMAND);
- status = get_conf_long(d, where + PCI_PCIX_STATUS);
- printf("\t\tCommand: DPERE%c ERO%c RBC=%d OST=%d\n",
- FLAG(command, PCI_PCIX_COMMAND_DPERE),
- FLAG(command, PCI_PCIX_COMMAND_ERO),
- ((command & PCI_PCIX_COMMAND_MAX_MEM_READ_BYTE_COUNT) >> 2U),
- ((command & PCI_PCIX_COMMAND_MAX_OUTSTANDING_SPLIT_TRANS) >> 4U));
- printf("\t\tStatus: Bus=%u Dev=%u Func=%u 64bit%c 133MHz%c SCD%c USC%c, DC=%s, DMMRBC=%u, DMOST=%u, DMCRS=%u, RSCEM%c\n",
- ((status >> 8) & 0xffU), // bus
- ((status >> 3) & 0x1fU), // dev
- (status & PCI_PCIX_STATUS_FUNCTION), // function
- FLAG(status, PCI_PCIX_STATUS_64BIT),
- FLAG(status, PCI_PCIX_STATUS_133MHZ),
- FLAG(status, PCI_PCIX_STATUS_SC_DISCARDED),
- FLAG(status, PCI_PCIX_STATUS_UNEXPECTED_SC),
- ((status & PCI_PCIX_STATUS_DEVICE_COMPLEXITY) ? "bridge" : "simple"),
- ((status >> 21) & 3U),
- ((status >> 23) & 7U),
- ((status >> 26) & 7U),
- FLAG(status, PCI_PCIX_STATUS_RCVD_SC_ERR_MESS));
-}
-
-static void
-show_pcix_bridge(struct device *d, int where)
-{
-
- u16 secstatus;
- u32 status, upstcr, downstcr;
-
- printf("PCI-X bridge device.\n");
-
- if (verbose < 2)
- return;
-
- if (!config_fetch(d, where + PCI_PCIX_BRIDGE_STATUS, 12))
- return;
-
- secstatus = get_conf_word(d, where + PCI_PCIX_BRIDGE_SEC_STATUS);
- printf("\t\tSecondary Status: 64bit%c, 133MHz%c, SCD%c, USC%c, SCO%c, SRD%c Freq=%d\n",
- FLAG(secstatus, PCI_PCIX_BRIDGE_SEC_STATUS_64BIT),
- FLAG(secstatus, PCI_PCIX_BRIDGE_SEC_STATUS_133MHZ),
- FLAG(secstatus, PCI_PCIX_BRIDGE_SEC_STATUS_SC_DISCARDED),
- FLAG(secstatus, PCI_PCIX_BRIDGE_SEC_STATUS_UNEXPECTED_SC),
- FLAG(secstatus, PCI_PCIX_BRIDGE_SEC_STATUS_SC_OVERRUN),
- FLAG(secstatus, PCI_PCIX_BRIDGE_SEC_STATUS_SPLIT_REQUEST_DELAYED),
- ((secstatus >> 6) & 7));
- status = get_conf_long(d, where + PCI_PCIX_BRIDGE_STATUS);
- printf("\t\tStatus: Bus=%u Dev=%u Func=%u 64bit%c 133MHz%c SCD%c USC%c, SCO%c, SRD%c\n",
- ((status >> 8) & 0xff), // bus
- ((status >> 3) & 0x1f), // dev
- (status & PCI_PCIX_BRIDGE_STATUS_FUNCTION), // function
- FLAG(status, PCI_PCIX_BRIDGE_STATUS_64BIT),
- FLAG(status, PCI_PCIX_BRIDGE_STATUS_133MHZ),
- FLAG(status, PCI_PCIX_BRIDGE_STATUS_SC_DISCARDED),
- FLAG(status, PCI_PCIX_BRIDGE_STATUS_UNEXPECTED_SC),
- FLAG(status, PCI_PCIX_BRIDGE_STATUS_SC_OVERRUN),
- FLAG(status, PCI_PCIX_BRIDGE_STATUS_SPLIT_REQUEST_DELAYED));
- upstcr = get_conf_long(d, where + PCI_PCIX_BRIDGE_UPSTREAM_SPLIT_TRANS_CTRL);
- printf("\t\t: Upstream: Capacity=%u, Commitment Limit=%u\n",
- (upstcr & PCI_PCIX_BRIDGE_STR_CAPACITY),
- (upstcr >> 16) & 0xffff);
- downstcr = get_conf_long(d, where + PCI_PCIX_BRIDGE_DOWNSTREAM_SPLIT_TRANS_CTRL);
- printf("\t\t: Downstream: Capacity=%u, Commitment Limit=%u\n",
- (downstcr & PCI_PCIX_BRIDGE_STR_CAPACITY),
- (downstcr >> 16) & 0xffff);
-}
-
-static void
-show_pcix(struct device *d, int where)
-{
- switch (get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f)
- {
- case PCI_HEADER_TYPE_NORMAL:
- show_pcix_nobridge(d, where);
- break;
- case PCI_HEADER_TYPE_BRIDGE:
- show_pcix_bridge(d, where);
- break;
- }
-}
-
-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;
+ u32 flg = get_conf_long(d, reg);
+ word cmd = get_conf_word(d, PCI_COMMAND);
+ int virtual = 0;
- if (!rom && !len)
+ if (!rom && !flg && !len)
return;
- printf("\tExpansion ROM at ");
+ putchar('\t');
+ if ((rom & PCI_ROM_ADDRESS_MASK) && !(flg & PCI_ROM_ADDRESS_MASK))
+ {
+ printf("[virtual] ");
+ flg = rom;
+ virtual = 1;
+ }
+ printf("Expansion ROM at ");
if (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))
+ if (!(flg & PCI_ROM_ADDRESS_ENABLE))
printf(" [disabled]");
+ else if (!virtual && !(cmd & PCI_COMMAND_MEMORY))
+ printf(" [disabled by cmd]");
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;
- if (!config_fetch(d, where + PCI_MSI_ADDRESS_LO, (is64 ? PCI_MSI_DATA_64 : PCI_MSI_DATA_32) + 2 - PCI_MSI_ADDRESS_LO))
- return;
- 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);
-}
-
-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;
- case PCI_CAP_ID_PCIX:
- show_pcix(d, where);
- 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_rom(d, PCI_ROM_ADDRESS);
show_caps(d);
}
get_conf_long(d, PCI_PREF_BASE_UPPER32),
pref_base,
get_conf_long(d, PCI_PREF_LIMIT_UPPER32),
- pref_limit);
+ pref_limit + 0xfffff);
}
}
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",
+ 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),
FLAG(sec_stat, PCI_STATUS_SIG_SYSTEM_ERROR),
FLAG(sec_stat, PCI_STATUS_DETECTED_PARITY));
- show_rom(d);
+ 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));
+ {
+ 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));
+ 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);
}
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);
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);
(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);
}
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);
+ word class = p->device_class;
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 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];
show_terse(d);
printf("\t!!! Invalid class %04x for header type %02x\n", class, htype);
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)
+ if ((class >> 8) != PCI_BASE_CLASS_BRIDGE)
printf("\t!!! Invalid class %04x for header type %02x\n", class, htype);
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)
printf("\t!!! Invalid class %04x for header type %02x\n", class, htype);
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 (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)
{
- printf("\tControl: I/O%c Mem%c BusMaster%c SpecCycle%c MemWINV%c VGASnoop%c ParErr%c Stepping%c SERR%c FastB2B%c\n",
+ 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: %d", latency);
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)
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",
}
}
+/*** Machine-readable dumps ***/
+
static void
show_hex_dump(struct device *d)
{
- unsigned int i;
+ unsigned int i, cnt;
- 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
+print_shell_escaped(char *c)
+{
+ printf(" \"");
+ while (*c)
+ {
+ if (*c == '"' || *c == '\\')
+ putchar('\\');
+ putchar(*c++);
+ }
+ putchar('"');
+}
+
static void
show_machine(struct device *d)
{
struct pci_dev *p = d->dev;
int c;
- word sv_id=0, sd_id=0;
+ word sv_id, sd_id;
char classbuf[128], vendbuf[128], devbuf[128], svbuf[128], sdbuf[128];
- switch (get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f)
- {
- 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;
- }
+ get_subid(d, &sv_id, &sd_id);
if (verbose)
{
- printf("Device:\t");
+ 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));
+ pci_lookup_name(pacc, devbuf, sizeof(devbuf), PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id));
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));
+ pci_lookup_name(pacc, svbuf, sizeof(svbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_VENDOR, sv_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 (p->phy_slot)
+ printf("PhySlot:\t%s\n", p->phy_slot);
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 (opt_kernel)
+ show_kernel_machine(d);
}
else
{
show_slot_name(d);
- 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));
+ 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 (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));
+ {
+ print_shell_escaped(pci_lookup_name(pacc, svbuf, sizeof(svbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_VENDOR, sv_id));
+ print_shell_escaped(pci_lookup_name(pacc, sdbuf, sizeof(sdbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id, sv_id, sd_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)
+ 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 domain;
- unsigned int primary, secondary, subordinate; /* Bus numbers */
- struct device *br_dev;
-};
-
-struct bus {
- unsigned int domain;
- unsigned int number;
- struct bus *sibling;
- struct device *first_dev, **last_dev;
-};
-
-static struct bridge host_bridge = { NULL, NULL, NULL, NULL, 0, ~0, 0, ~0, NULL };
-
-static struct bus *
-find_bus(struct bridge *b, unsigned int domain, unsigned int n)
-{
- struct bus *bus;
-
- for(bus=b->first_bus; bus; bus=bus->sibling)
- if (bus->domain == domain && bus->number == n)
- break;
- return bus;
-}
-
-static struct bus *
-new_bus(struct bridge *b, unsigned int domain, unsigned int n)
-{
- struct bus *bus = xmalloc(sizeof(struct bus));
-
- bus = xmalloc(sizeof(struct bus));
- bus->domain = domain;
- 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->domain, p->bus)))
- {
- struct bridge *c;
- for(c=b->child; c; c=c->next)
- if (c->domain == p->domain && c->secondary <= p->bus && p->bus <= c->subordinate)
- {
- insert_dev(d, c);
- return;
- }
- bus = new_bus(b, p->domain, p->bus);
- }
- /* Simple insertion at the end _does_ guarantee the correct order as the
- * original device list was sorted by (domain, 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));
- b->domain = d->dev->domain;
- 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 && (c == &host_bridge || b->domain == c->domain) &&
- 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->domain, b->secondary))
- new_bus(b, b->domain, 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, "-[%04x:%02x]-", b->domain, b->secondary);
- else
- p += sprintf(p, "-[%04x:%02x-%02x]-", b->domain, 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, "[%04x:%02x]-", b->domain, 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, "+-[%04x:%02x]-", u->domain, u->number);
- show_tree_bus(u, line, k);
- u = u->sibling;
- }
- k = p + sprintf(p, "\\-[%04x:%02x]-", u->domain, 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)
- {
- /* XXX: Bus mapping supports only domain 0 */
- struct pci_dev *p = pci_get_dev(pacc, 0, 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
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("-d: %s", msg);
break;
case 'x':
- show_hex++;
+ opt_hex++;
break;
case 't':
- show_tree++;
+ opt_tree++;
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)
+ if (opt_map_mode)
map_the_bus();
else
{
scan_devices();
sort_them();
- if (show_tree)
+ if (opt_tree)
show_forest();
else
show();
}
pci_cleanup(pacc);
- return 0;
+ return (seen_errors ? 2 : 0);
}