X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=lspci.c;h=14825a8969cab5f8ed2363082df57d1be71dc308;hb=579b19ffe582dca15d89da7f6198edb15eb1e357;hp=2b1c5e11bd1ed57b8a8c0d037a72c2043e845859;hpb=727ce158868ed101006ecc5d3dd3faede927165c;p=pciutils.git diff --git a/lspci.c b/lspci.c index 2b1c5e1..14825a8 100644 --- a/lspci.c +++ b/lspci.c @@ -1,9 +1,9 @@ /* - * $Id: lspci.c,v 1.19 1999/01/22 21:04:54 mj Exp $ + * $Id: lspci.c,v 1.43 2002/12/26 20:24:50 mj Exp $ * * Linux PCI Utilities -- List All PCI Devices * - * Copyright (c) 1997--1999 Martin Mares + * Copyright (c) 1997--2002 Martin Mares * * Can be freely distributed and used under the terms of the GNU GPL. */ @@ -24,8 +24,9 @@ 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:mg" GENERIC_OPTIONS ; +static char options[] = "nvbxs:d:ti:mgM" GENERIC_OPTIONS ; static char help_msg[] = "\ Usage: lspci []\n\ @@ -33,12 +34,14 @@ Usage: lspci []\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\ +-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 [[]:][][.[]]\tShow only devices in selected slots\n\ -d []:[]\tShow only selected devices\n\ -t\t\tShow bus tree\n\ -m\t\tProduce machine-readable output\n\ --i \tUse specified ID database instead of %s\n" +-i \tUse specified ID database instead of %s\n\ +-M\t\tEnable `bus mapping' mode (dangerous; root only)\n" GENERIC_HELP ; @@ -54,10 +57,32 @@ static struct pci_access *pacc; #define IRQ_FORMAT "%d" #endif -#ifdef HAVE_64BIT_LONG_INT -#define LONG_FORMAT "%016lx" +#ifdef HAVE_64BIT_ADDRESS +#ifdef HAVE_LONG_ADDRESS +#define ADDR_FORMAT "%016Lx" #else -#define LONG_FORMAT "%08lx" +#define ADDR_FORMAT "%016lx" +#endif +#else +#define ADDR_FORMAT "%08lx" +#endif + +#ifdef ARCH_SPARC64 +#define IO_FORMAT "%016Lx" +#elif defined(HAVE_LONG_ADDRESS) +#define IO_FORMAT "%04Lx" +#else +#define IO_FORMAT "%04lx" +#endif + +/* + * 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 */ @@ -65,41 +90,71 @@ static struct pci_access *pacc; struct device { struct device *next; struct pci_dev *dev; - int config_cnt; + unsigned int config_cnt; byte config[256]; }; static struct device *first_dev; +static 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)) + 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) + { + /* 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); + return d; +} + static void scan_devices(void) { struct device *d; - int how_much = (show_hex > 2) ? 256 : 64; struct pci_dev *p; pci_scan_bus(pacc); for(p=pacc->devices; p; p=p->next) - { - if (!pci_filter_match(&filter, p)) - continue; - d = xmalloc(sizeof(struct device)); - d->next = first_dev; - first_dev = 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, 0, d->config+64, 64)) - die("Unable to read cardbus bridge extension data."); - how_much = 128; - } - d->config_cnt = how_much; - pci_setup_buffer(p, d->config); - pci_fill_info(p, PCI_FILL_IDENT | PCI_FILL_IRQ | PCI_FILL_BASES | PCI_FILL_ROM_BASE); - } + if (d = scan_device(p)) + { + d->next = first_dev; + first_dev = d; + } +} + +static int +check_root(void) +{ + static int is_root = -1; + + if (is_root < 0) + is_root = !geteuid(); + return is_root; +} + +static int +config_fetch(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); } /* Config space accesses */ @@ -175,6 +230,8 @@ sort_them(void) /* Normal output */ +#define FLAG(x,y) ((x & y) ? '+' : '-') + static void show_terse(struct device *d) { @@ -188,17 +245,47 @@ show_terse(struct device *d) p->func, pci_lookup_name(pacc, classbuf, sizeof(classbuf), PCI_LOOKUP_CLASS, - get_conf_word(d, PCI_CLASS_DEVICE), 0), + 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)); + 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); + 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); + if (c || x) + { + 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) { @@ -208,12 +295,12 @@ show_bases(struct device *d, int cnt) for(i=0; ibase_addr[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); if (flg == 0xffffffff) flg = 0; - if (!pos && !flg) + if (!pos && !flg && !len) continue; if (verbose > 1) printf("\tRegion %d: ", i); @@ -226,10 +313,10 @@ show_bases(struct device *d, int cnt) } if (flg & PCI_BASE_ADDRESS_SPACE_IO) { - unsigned long a = pos & PCI_BASE_ADDRESS_IO_MASK; + pciaddr_t a = pos & PCI_BASE_ADDRESS_IO_MASK; printf("I/O ports at "); if (a) - printf("%04lx", a); + printf(IO_FORMAT, a); else if (flg & PCI_BASE_ADDRESS_IO_MASK) printf(""); else @@ -240,7 +327,7 @@ show_bases(struct device *d, int cnt) else { int t = flg & PCI_BASE_ADDRESS_MEM_TYPE_MASK; - unsigned long a = pos & PCI_BASE_ADDRESS_MEM_MASK; + pciaddr_t a = pos & PCI_ADDR_MEM_MASK; int done = 0; u32 z = 0; @@ -249,7 +336,7 @@ show_bases(struct device *d, int cnt) { if (i >= cnt - 1) { - printf("\n"); + printf(""); done = 1; } else @@ -259,7 +346,7 @@ show_bases(struct device *d, int cnt) if (buscentric_view) { if (a || z) - printf("%08x%08lx", z, a); + printf("%08x" ADDR_FORMAT, z, a); else printf(""); done = 1; @@ -269,7 +356,7 @@ show_bases(struct device *d, int cnt) if (!done) { if (a) - printf(LONG_FORMAT, a); + printf(ADDR_FORMAT, a); else printf(((flg & PCI_BASE_ADDRESS_MEM_MASK) || z) ? "" : ""); } @@ -281,25 +368,315 @@ show_bases(struct device *d, int cnt) 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) +{ + 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, 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, ""); +} + +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; + config_fetch(d, where + PCI_AGP_STATUS, PCI_AGP_SIZEOF - PCI_AGP_STATUS); + 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 = get_conf_word(d, where + PCI_PCIX_COMMAND); + u32 status = get_conf_long(d, where + PCI_PCIX_STATUS); + printf("PCI-X non-bridge device.\n"); + if (verbose < 2) + return; + 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", + ((status >> 8) & 0xffU), // bus + ((status >> 3) & 0x1fU), // dev + (status & PCI_PCIX_BRIDGE_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; + 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 (d->dev->hdrtype) + { + 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) +{ + 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(""); + 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); +} + +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) { - unsigned long rom = d->dev->rom_base_addr; + 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(""); + 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("\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); - if (rom & 1) - printf("\tExpansion ROM at %08lx%s\n", rom & PCI_ROM_ADDRESS_MASK, - (rom & PCI_ROM_ADDRESS_ENABLE) ? "" : " [disabled]"); + show_rom(d); + show_caps(d); } 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; @@ -309,8 +686,8 @@ show_htype1(struct device *d) 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; - unsigned long rom = p->rom_base_addr; 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", @@ -331,53 +708,57 @@ show_htype1(struct device *d) 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 + 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 (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) - printf("\tExpansion ROM at %08lx%s\n", rom & PCI_ROM_ADDRESS_MASK, - (rom & PCI_ROM_ADDRESS_ENABLE) ? "" : " [disabled]"); + show_rom(d); 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) ? '+' : '-'); + 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 @@ -387,6 +768,7 @@ show_htype2(struct device *d) 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", @@ -399,8 +781,8 @@ show_htype2(struct device *d) 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) - printf("Memory window %d: %08x-%08x%s%s\n", i, base, limit, + if (limit > base || 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)" : ""); } @@ -415,25 +797,24 @@ show_htype2(struct device *d) limit &= 0xffff; } base &= PCI_CB_IO_RANGE_MASK; - if (!base) - continue; limit = (limit & PCI_CB_IO_RANGE_MASK) + 3; - printf("I/O window %d: %08x-%08x%s\n", i, base, limit, - (cmd & PCI_COMMAND_IO) ? "" : " [disabled]"); + 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 ISA%c VGA%c MAbort%c >Reset%c 16bInt%c PostWrite%c\n", - (brc & PCI_CB_BRIDGE_CTL_PARITY) ? '+' : '-', - (brc & PCI_CB_BRIDGE_CTL_SERR) ? '+' : '-', - (brc & PCI_CB_BRIDGE_CTL_ISA) ? '+' : '-', - (brc & PCI_CB_BRIDGE_CTL_VGA) ? '+' : '-', - (brc & PCI_CB_BRIDGE_CTL_MASTER_ABORT) ? '+' : '-', - (brc & PCI_CB_BRIDGE_CTL_CB_RESET) ? '+' : '-', - (brc & PCI_CB_BRIDGE_CTL_16BIT_INT) ? '+' : '-', - (brc & PCI_CB_BRIDGE_CTL_POST_WRITES) ? '+' : '-'); + 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); } @@ -461,11 +842,7 @@ show_verbose(struct device *d) { 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); 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); @@ -473,13 +850,13 @@ show_verbose(struct device *d) break; case PCI_HEADER_TYPE_BRIDGE: if (class != PCI_CLASS_BRIDGE_PCI) - goto badhdr; + 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) - goto badhdr; + 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); @@ -489,46 +866,53 @@ show_verbose(struct device *d) return; } - if (verbose && subsys_v && subsys_v != 0xffff) + 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, - subsys_v, subsys_d)); + p->vendor_id, p->device_id, subsys_v, subsys_d)); 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", - (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 SERR%c TAbort%c SERR%c config_cnt; i++) { @@ -624,17 +1008,17 @@ show_machine(struct device *d) { 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)); + 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)); + 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)); + 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, sv_id, sd_id)); + 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, 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)); } if (c = get_conf_byte(d, PCI_REVISION_ID)) printf("Rev:\t%02x\n", c); @@ -646,43 +1030,47 @@ show_machine(struct device *d) 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), + 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), + p->vendor_id, p->device_id, 0, 0), pci_lookup_name(pacc, devbuf, sizeof(devbuf), PCI_LOOKUP_DEVICE, - p->vendor_id, p->device_id)); + 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, sv_id, sd_id), - pci_lookup_name(pacc, sdbuf, sizeof(sdbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_DEVICE, sv_id, sd_id)); + 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 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) - { - 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'); - } + show_device(d); } /* Tree output */ @@ -739,7 +1127,10 @@ insert_dev(struct device *d, struct bridge *b) struct bridge *c; for(c=b->child; c; c=c->next) if (c->secondary <= p->bus && p->bus <= c->subordinate) - return insert_dev(d, c); + { + insert_dev(d, c); + return; + } bus = new_bus(b, p->bus); } /* Simple insertion at the end _does_ guarantee the correct order as the @@ -859,7 +1250,7 @@ show_tree_dev(struct device *d, byte *line, byte *p) p += sprintf(p, " %s", pci_lookup_name(pacc, namebuf, sizeof(namebuf), PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE, - q->vendor_id, q->device_id)); + q->vendor_id, q->device_id, 0, 0)); print_it(line, p); } @@ -925,6 +1316,176 @@ show_forest(void) 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(" "); + break; + case 2: + printf(" "); + 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 @@ -976,6 +1537,9 @@ main(int argc, char **argv) case 'm': machine_readable++; break; + case 'M': + map_mode++; + break; default: if (parse_generic_option(i, pacc, optarg)) break; @@ -987,12 +1551,17 @@ main(int argc, char **argv) goto bad; pci_init(pacc); - scan_devices(); - sort_them(); - if (show_tree) - show_forest(); + if (map_mode) + map_the_bus(); else - show(); + { + scan_devices(); + sort_them(); + if (show_tree) + show_forest(); + else + show(); + } pci_cleanup(pacc); return 0;