X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=lspci.c;h=aa6b37a8c1c42ceb47c14fcb72f536f090b94fec;hb=80e6c636fb1c5381f4ce95963ace48dc477c7599;hp=bff710cea3942d82b0412b1975b4e0a9034ff8f0;hpb=072c77e505c349c19c796c502896b5960d40e4d1;p=pciutils.git diff --git a/lspci.c b/lspci.c index bff710c..aa6b37a 100644 --- a/lspci.c +++ b/lspci.c @@ -1,9 +1,7 @@ /* - * $Id: lspci.c,v 1.15 1998/09/09 07:38:54 mj Exp $ + * The PCI Utilities -- List All PCI Devices * - * Linux PCI Utilities -- List All PCI Devices - * - * Copyright (c) 1997, 1998 Martin Mares + * Copyright (c) 1997--2004 Martin Mares * * Can be freely distributed and used under the terms of the GNU GPL. */ @@ -11,7 +9,7 @@ #include #include #include -#include +#include #include #include "pciutils.h" @@ -24,9 +22,9 @@ 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 char *pci_dir = PROC_BUS_PCI; +static int map_mode; /* Bus mapping mode enabled */ -static char options[] = "nvbxs:d:ti:p:m"; +static char options[] = "nvbxs:d:ti:mgM" GENERIC_OPTIONS ; static char help_msg[] = "\ Usage: lspci []\n\ @@ -34,139 +32,101 @@ 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 (-xx shows full 256 bytes)\n\ --s [[]:][][.[]]\tShow only devices in selected slots\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\ +-xxxx\t\tShow hex-dump of the 4096-byte extended config space (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 " ETC_PCI_IDS "\n\ --p \tUse specified bus directory instead of " PROC_BUS_PCI "\n\ -"; +-i \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 */ +/* + * 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. + */ -#ifdef ARCH_SPARC64 -#define IRQ_FORMAT "%08x" -#else -#define IRQ_FORMAT "%d" +#ifndef __GNUC__ +#define alloca malloc #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], kernel_rom_base_addr; - byte config[256]; + struct pci_dev *dev; + unsigned int config_cnt, config_bufsize; + byte *config; }; -static struct device *first_dev, **last_dev = &first_dev; - -/* Miscellaneous routines */ +static struct device *first_dev; -void * -xmalloc(unsigned int howmuch) +static int +config_fetch(struct device *d, unsigned int pos, unsigned int len) { - void *p = malloc(howmuch); - if (!p) + unsigned int end = pos+len; + int result; + if (end <= d->config_cnt) + return 1; + if (end > d->config_bufsize) { - fprintf(stderr, "lspci: Unable to allocate %d bytes of memory\n", howmuch); - exit(1); + while (end > d->config_bufsize) + d->config_bufsize *= 2; + d->config = xrealloc(d->config, d->config_bufsize); } - return p; + result = pci_read_block(d->dev, pos, d->config + pos, len); + if (result && pos == d->config_cnt) + d->config_cnt = end; + return result; } -/* Interface for /proc/bus/pci */ - -static void -scan_dev_list(void) +static struct device * +scan_device(struct pci_dev *p) { - FILE *f; - byte line[256]; - byte name[256]; + struct device *d; - sprintf(name, "%s/devices", pci_dir); - if (! (f = fopen(name, "r"))) - { - perror(name); - exit(1); - } - while (fgets(line, sizeof(line), f)) + if (!pci_filter_match(&filter, p)) + return NULL; + d = xmalloc(sizeof(struct device)); + bzero(d, sizeof(*d)); + d->dev = p; + d->config_cnt = d->config_bufsize = 64; + d->config = xmalloc(64); + if (!pci_read_block(p, 0, d->config, 64)) + die("Unable to read the configuration space header."); + if ((d->config[PCI_HEADER_TYPE] & 0x7f) == PCI_HEADER_TYPE_CARDBUS) { - struct device *d = xmalloc(sizeof(struct device)); - unsigned int dfn, vend; - - bzero(d, sizeof(*d)); - sscanf(line, "%x %x %x %lx %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->kernel_rom_base_addr); - d->bus = dfn >> 8U; - d->devfn = dfn & 0xff; - d->vendid = vend >> 16U; - d->devid = vend & 0xffff; - if (filter_match(&filter, d->bus, d->devfn, d->vendid, d->devid)) - { - *last_dev = d; - last_dev = &d->next; - d->next = NULL; - } + /* For cardbus bridges, we need to fetch 64 bytes more to get the + * full standard header... */ + if (!config_fetch(d, 64, 64)) + die("Unable to read cardbus bridge extension data."); } - fclose(f); -} - -static inline void -make_proc_pci_name(struct device *d, char *p) -{ - sprintf(p, "%s/%02x/%02x.%x", - pci_dir, d->bus, PCI_SLOT(d->devfn), PCI_FUNC(d->devfn)); + 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_config(void) +scan_devices(void) { struct device *d; - char name[64]; - int fd, res; - int how_much = (show_hex > 1) ? 256 : 64; + struct pci_dev *p; - 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); - } - res = read(fd, d->config, how_much); - if (res < 0) - { - fprintf(stderr, "lspci: Error reading %s: %m\n", name); - exit(1); - } - if (res != how_much) - { - fprintf(stderr, "lspci: Only %d bytes of config space available to you\n", res); - exit(1); - } - close(fd); - } -} - -static void -scan_proc(void) -{ - scan_dev_list(); - scan_config(); + pci_scan_bus(pacc); + for(p=pacc->devices; p; p=p->next) + if (d = scan_device(p)) + { + d->next = first_dev; + first_dev = d; + } } /* Config space accesses */ @@ -197,16 +157,24 @@ get_conf_long(struct device *d, unsigned int pos) 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->domain < b->domain) + return -1; + if (a->domain > b->domain) + return 1; 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->devfn > b->devfn) + if (a->dev > b->dev) + return 1; + if (a->func < b->func) + return -1; + if (a->func > b->func) return 1; return 0; } @@ -214,7 +182,7 @@ compare_them(const void *A, const void *B) static void sort_them(void) { - struct device **index, **h; + struct device **index, **h, **last_dev; int cnt; struct device *d; @@ -238,54 +206,103 @@ sort_them(void) /* Normal output */ +#define FLAG(x,y) ((x & y) ? '+' : '-') + +static void +show_slot_name(struct device *d) +{ + struct pci_dev *p = d->dev; + + if (p->domain) + printf("%04x:", p->domain); + printf("%02x:%02x.%d", p->bus, p->dev, p->func); +} + static void show_terse(struct device *d) { int c; - - 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)); + struct pci_dev *p = d->dev; + byte 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), + 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); + 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(PCIADDR_T_FMT, 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; ikernel_base_addr[i]; - if (!pos) - continue; - } - if (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) { - 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(PCIADDR_PORT_FMT, a); + else if (flg & PCI_BASE_ADDRESS_IO_MASK) + printf(""); else printf(""); if (!(cmd & PCI_COMMAND_IO)) @@ -294,31 +311,39 @@ 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; - int x64 = 0; + 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(""); + done = 1; + } + else { - u32 z; i++; z = get_conf_long(d, PCI_BASE_ADDRESS_0 + 4*i); if (buscentric_view) - printf("%08x", z); - if (z) - x64 = 1; + { + if (a || z) + printf("%08x" PCIADDR_T_FMT, z, a); + else + printf(""); + done = 1; + } } + } + if (!done) + { + if (a) + printf(PCIADDR_T_FMT, a); else - { - printf("????????"); - x64 = 1; - } + printf(((flg & PCI_BASE_ADDRESS_MEM_MASK) || z) ? "" : ""); } - if (x64 || a) - printf("%08lx", a); - else - printf(""); printf(" (%s, %sprefetchable)", (t == PCI_BASE_ADDRESS_MEM_TYPE_32) ? "32-bit" : (t == PCI_BASE_ADDRESS_MEM_TYPE_64) ? "64-bit" : @@ -327,20 +352,1019 @@ 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) { - unsigned long rom = buscentric_view ? get_conf_long(d, PCI_ROM_ADDRESS) : d->kernel_rom_base_addr; + 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)); +} - show_bases(d, 6); +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 += sprintf(c, "x%d", 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[16]; + 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 inline char * +ht_link_width(unsigned width) +{ + static char * const widths[8] = { "8bit", "16bit", "[2]", "32bit", "2bit", "4bit", "[6]", "N/C" }; + return widths[width]; +} + +static inline char * +ht_link_freq(unsigned freq) +{ + static char * const freqs[16] = { "200MHz", "300MHz", "400MHz", "500MHz", "600MHz", "800MHz", "1.0GHz", "1.2GHz", + "1.4GHz", "1.6GHz", "[a]", "[b]", "[c]", "[d]", "[e]", "Vend" }; + return freqs[freq]; +} + +static void +show_ht_pri(struct device *d, int where, int cmd) +{ + u16 lctr0, lcnf0, lctr1, lcnf1, eh; + u8 rid, lfrer0, lfcap0, ftr, lfrer1, lfcap1, mbu, mlu, bn; + char *fmt; + + printf("HyperTransport: Slave or Primary Interface\n"); + if (verbose < 2) + return; + + if (!config_fetch(d, where + PCI_HT_PRI_LCTR0, PCI_HT_PRI_SIZEOF - PCI_HT_PRI_LCTR0)) + return; + rid = get_conf_byte(d, where + PCI_HT_PRI_RID); + if (rid < 0x23 && rid > 0x11) + printf("\t!!! Possibly incomplete decoding\n"); + + if (rid >= 0x23) + fmt = "\t\tCommand: BaseUnitID=%u UnitCnt=%u MastHost%c DefDir%c DUL%c\n"; + else + fmt = "\t\tCommand: BaseUnitID=%u UnitCnt=%u MastHost%c DefDir%c\n"; + printf(fmt, + (cmd & PCI_HT_PRI_CMD_BUID), + (cmd & PCI_HT_PRI_CMD_UC) >> 5, + FLAG(cmd, PCI_HT_PRI_CMD_MH), + FLAG(cmd, PCI_HT_PRI_CMD_DD), + FLAG(cmd, PCI_HT_PRI_CMD_DUL)); + lctr0 = get_conf_word(d, where + PCI_HT_PRI_LCTR0); + if (rid >= 0x23) + fmt = "\t\tLink Control 0: CFlE%c CST%c CFE%c > 8, + FLAG(lctr0, PCI_HT_LCTR_ISOCEN), + FLAG(lctr0, PCI_HT_LCTR_LSEN), + FLAG(lctr0, PCI_HT_LCTR_EXTCTL), + FLAG(lctr0, PCI_HT_LCTR_64B)); + lcnf0 = get_conf_word(d, where + PCI_HT_PRI_LCNF0); + if (rid >= 0x23) + fmt = "\t\tLink Config 0: MLWI=%1$s DwFcIn%5$c MLWO=%2$s DwFcOut%6$c LWI=%3$s DwFcInEn%7$c LWO=%4$s DwFcOutEn%8$c\n"; + else + fmt = "\t\tLink Config 0: MLWI=%s MLWO=%s LWI=%s LWO=%s\n"; + printf(fmt, + ht_link_width(lcnf0 & PCI_HT_LCNF_MLWI), + ht_link_width((lcnf0 & PCI_HT_LCNF_MLWO) >> 4), + ht_link_width((lcnf0 & PCI_HT_LCNF_LWI) >> 8), + ht_link_width((lcnf0 & PCI_HT_LCNF_LWO) >> 12), + FLAG(lcnf0, PCI_HT_LCNF_DFI), + FLAG(lcnf0, PCI_HT_LCNF_DFO), + FLAG(lcnf0, PCI_HT_LCNF_DFIE), + FLAG(lcnf0, PCI_HT_LCNF_DFOE)); + lctr1 = get_conf_word(d, where + PCI_HT_PRI_LCTR1); + if (rid >= 0x23) + fmt = "\t\tLink Control 1: CFlE%c CST%c CFE%c > 8, + FLAG(lctr1, PCI_HT_LCTR_ISOCEN), + FLAG(lctr1, PCI_HT_LCTR_LSEN), + FLAG(lctr1, PCI_HT_LCTR_EXTCTL), + FLAG(lctr1, PCI_HT_LCTR_64B)); + lcnf1 = get_conf_word(d, where + PCI_HT_PRI_LCNF1); + if (rid >= 0x23) + fmt = "\t\tLink Config 1: MLWI=%1$s DwFcIn%5$c MLWO=%2$s DwFcOut%6$c LWI=%3$s DwFcInEn%7$c LWO=%4$s DwFcOutEn%8$c\n"; + else + fmt = "\t\tLink Config 1: MLWI=%s MLWO=%s LWI=%s LWO=%s\n"; + printf(fmt, + ht_link_width(lcnf1 & PCI_HT_LCNF_MLWI), + ht_link_width((lcnf1 & PCI_HT_LCNF_MLWO) >> 4), + ht_link_width((lcnf1 & PCI_HT_LCNF_LWI) >> 8), + ht_link_width((lcnf1 & PCI_HT_LCNF_LWO) >> 12), + FLAG(lcnf1, PCI_HT_LCNF_DFI), + FLAG(lcnf1, PCI_HT_LCNF_DFO), + FLAG(lcnf1, PCI_HT_LCNF_DFIE), + FLAG(lcnf1, PCI_HT_LCNF_DFOE)); + printf("\t\tRevision ID: %u.%02u\n", + (rid & PCI_HT_RID_MAJ) >> 5, (rid & PCI_HT_RID_MIN)); + if (rid < 0x23) + return; + lfrer0 = get_conf_byte(d, where + PCI_HT_PRI_LFRER0); + printf("\t\tLink Frequency 0: %s\n", ht_link_freq(lfrer0 & PCI_HT_LFRER_FREQ)); + printf("\t\tLink Error 0: 0x11) + printf("\t!!! Possibly incomplete decoding\n"); + + if (rid >= 0x23) + fmt = "\t\tCommand: WarmRst%c DblEnd%c DevNum=%u ChainSide%c HostHide%c Slave%c > 2, + FLAG(cmd, PCI_HT_SEC_CMD_CS), + FLAG(cmd, PCI_HT_SEC_CMD_HH), + FLAG(cmd, PCI_HT_SEC_CMD_AS), + FLAG(cmd, PCI_HT_SEC_CMD_HIECE), + FLAG(cmd, PCI_HT_SEC_CMD_DUL)); + lctr = get_conf_word(d, where + PCI_HT_SEC_LCTR); + if (rid >= 0x23) + fmt = "\t\tLink Control: CFlE%c CST%c CFE%c > 8, + FLAG(lctr, PCI_HT_LCTR_ISOCEN), + FLAG(lctr, PCI_HT_LCTR_LSEN), + FLAG(lctr, PCI_HT_LCTR_EXTCTL), + FLAG(lctr, PCI_HT_LCTR_64B)); + lcnf = get_conf_word(d, where + PCI_HT_SEC_LCNF); + if (rid >= 0x23) + fmt = "\t\tLink Config: MLWI=%1$s DwFcIn%5$c MLWO=%2$s DwFcOut%6$c LWI=%3$s DwFcInEn%7$c LWO=%4$s DwFcOutEn%8$c\n"; + else + fmt = "\t\tLink Config: MLWI=%s MLWO=%s LWI=%s LWO=%s\n"; + printf(fmt, + ht_link_width(lcnf & PCI_HT_LCNF_MLWI), + ht_link_width((lcnf & PCI_HT_LCNF_MLWO) >> 4), + ht_link_width((lcnf & PCI_HT_LCNF_LWI) >> 8), + ht_link_width((lcnf & PCI_HT_LCNF_LWO) >> 12), + FLAG(lcnf, PCI_HT_LCNF_DFI), + FLAG(lcnf, PCI_HT_LCNF_DFO), + FLAG(lcnf, PCI_HT_LCNF_DFIE), + FLAG(lcnf, PCI_HT_LCNF_DFOE)); + printf("\t\tRevision ID: %u.%02u\n", + (rid & PCI_HT_RID_MAJ) >> 5, (rid & PCI_HT_RID_MIN)); + if (rid < 0x23) + return; + lfrer = get_conf_byte(d, where + PCI_HT_SEC_LFRER); + printf("\t\tLink Frequency: %s\n", ht_link_freq(lfrer & PCI_HT_LFRER_FREQ)); + printf("\t\tLink Error: > 5, (cmd & PCI_HT_RID_MIN)); + break; + case PCI_HT_CMD_TYP_UIDC: + printf("HyperTransport: UnitID Clumping\n"); + break; + case PCI_HT_CMD_TYP_ECSA: + printf("HyperTransport: Extended Configuration Space Access\n"); + break; + case PCI_HT_CMD_TYP_AM: + printf("HyperTransport: Address Mapping\n"); + break; + case PCI_HT_CMD_TYP_MSIM: + printf("HyperTransport: MSI Mapping\n"); + break; + case PCI_HT_CMD_TYP_DR: + printf("HyperTransport: DirectRoute\n"); + break; + case PCI_HT_CMD_TYP_VCS: + printf("HyperTransport: VCSet\n"); + break; + case PCI_HT_CMD_TYP_RM: + printf("HyperTransport: Retry Mode\n"); + break; + case PCI_HT_CMD_TYP_X86: + printf("HyperTransport: X86 (reserved)\n"); + break; + default: + printf("HyperTransport: #%02x\n", type >> 11); + } +} - if (rom & 1) - printf("\tExpansion ROM at %08lx%s\n", rom & PCI_ROM_ADDRESS_MASK, - (rom & PCI_ROM_ADDRESS_ENABLE) ? "" : " [disabled]"); +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(PCIADDR_T_FMT, 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; + 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_vendor(void) +{ + printf("Vendor Specific Information\n"); +} + +static void show_debug(void) +{ + printf("Debug port\n"); +} + +static float power_limit(int value, int scale) +{ + static const float scales[4] = { 1.0, 0.1, 0.01, 0.001 }; + return value * scales[scale]; +} + +static const char *latency_l0s(int value) +{ + static const char *latencies[] = { "<64ns", "<128ns", "<256ns", "<512ns", "<1us", "<2us", "<4us", "unlimited" }; + return latencies[value]; +} + +static const char *latency_l1(int value) +{ + static const char *latencies[] = { "<1us", "<2us", "<4us", "<8us", "<16us", "<32us", "<64us", "unlimited" }; + return latencies[value]; +} + +static void show_express_dev(struct device *d, int where, int type) +{ + u32 t; + u16 w; + + t = get_conf_long(d, where + PCI_EXP_DEVCAP); + printf("\t\tDevice: Supported: MaxPayload %d bytes, PhantFunc %d, ExtTag%c\n", + 128 << (t & PCI_EXP_DEVCAP_PAYLOAD), + (1 << ((t & PCI_EXP_DEVCAP_PHANTOM) >> 3)) - 1, + FLAG(t, PCI_EXP_DEVCAP_EXT_TAG)); + printf("\t\tDevice: Latency L0s %s, L1 %s\n", + latency_l0s((t & PCI_EXP_DEVCAP_L0S) >> 6), + latency_l1((t & PCI_EXP_DEVCAP_L1) >> 9)); + if ((type == PCI_EXP_TYPE_ENDPOINT) || (type == PCI_EXP_TYPE_LEG_END) || + (type == PCI_EXP_TYPE_UPSTREAM) || (type == PCI_EXP_TYPE_PCI_BRIDGE)) + printf("\t\tDevice: AtnBtn%c AtnInd%c PwrInd%c\n", + FLAG(t, PCI_EXP_DEVCAP_ATN_BUT), + FLAG(t, PCI_EXP_DEVCAP_ATN_IND), FLAG(t, PCI_EXP_DEVCAP_PWR_IND)); + if (type == PCI_EXP_TYPE_UPSTREAM) + printf("\t\tDevice: SlotPowerLimit %f\n", + power_limit((t & PCI_EXP_DEVCAP_PWR_VAL) >> 18, + (t & PCI_EXP_DEVCAP_PWR_SCL) >> 26)); + + w = get_conf_word(d, where + PCI_EXP_DEVCTL); + printf("\t\tDevice: Errors: Correctable%c Non-Fatal%c Fatal%c Unsupported%c\n", + FLAG(w, PCI_EXP_DEVCTL_CERE), + FLAG(w, PCI_EXP_DEVCTL_NFERE), + FLAG(w, PCI_EXP_DEVCTL_FERE), + FLAG(w, PCI_EXP_DEVCTL_URRE)); + printf("\t\tDevice: RlxdOrd%c ExtTag%c PhantFunc%c AuxPwr%c NoSnoop%c\n", + FLAG(w, PCI_EXP_DEVCTL_RELAXED), + FLAG(w, PCI_EXP_DEVCTL_EXT_TAG), + FLAG(w, PCI_EXP_DEVCTL_PHANTOM), + FLAG(w, PCI_EXP_DEVCTL_AUX_PME), + FLAG(w, PCI_EXP_DEVCTL_NOSNOOP)); + printf("\t\tDevice: MaxPayload %d bytes, MaxReadReq %d bytes\n", + 128 << ((w & PCI_EXP_DEVCTL_PAYLOAD) >> 5), + 128 << ((w & PCI_EXP_DEVCTL_READRQ) >> 12)); +} + +static char *link_speed(int speed) +{ + switch (speed) + { + case 1: + return "2.5Gb/s"; + default: + return "unknown"; + } +} + +static char *aspm_support(int code) +{ + switch (code) + { + case 1: + return "L0s"; + case 3: + return "L0s L1"; + default: + return "unknown"; + } +} + +static const char *aspm_enabled(int code) +{ + static const char *desc[] = { "Disabled", "L0s Enabled", "L1 Enabled", "L0s L1 Enabled" }; + return desc[code]; +} + +static void show_express_link(struct device *d, int where, int type) +{ + u32 t; + u16 w; + + t = get_conf_long(d, where + PCI_EXP_LNKCAP); + printf("\t\tLink: Supported Speed %s, Width x%d, ASPM %s, Port %d\n", + link_speed(t & PCI_EXP_LNKCAP_SPEED), (t & PCI_EXP_LNKCAP_WIDTH) >> 4, + aspm_support((t & PCI_EXP_LNKCAP_ASPM) >> 10), + t >> 24); + printf("\t\tLink: Latency L0s %s, L1 %s\n", + latency_l0s((t & PCI_EXP_LNKCAP_L0S) >> 12), + latency_l1((t & PCI_EXP_LNKCAP_L1) >> 15)); + w = get_conf_word(d, where + PCI_EXP_LNKCTL); + printf("\t\tLink: ASPM %s", aspm_enabled(w & PCI_EXP_LNKCTL_ASPM)); + if ((type == PCI_EXP_TYPE_ROOT_PORT) || (type == PCI_EXP_TYPE_ENDPOINT) || + (type == PCI_EXP_TYPE_LEG_END)) + printf(" RCB %d bytes", w & PCI_EXP_LNKCTL_RCB ? 128 : 64); + if (w & PCI_EXP_LNKCTL_DISABLE) + printf(" Disabled"); + printf(" CommClk%c ExtSynch%c\n", FLAG(w, PCI_EXP_LNKCTL_CLOCK), + FLAG(w, PCI_EXP_LNKCTL_XSYNCH)); + w = get_conf_word(d, where + PCI_EXP_LNKSTA); + printf("\t\tLink: Speed %s, Width x%d\n", + link_speed(t & PCI_EXP_LNKSTA_SPEED), (t & PCI_EXP_LNKSTA_WIDTH) >> 4); +} + +static const char *indicator(int code) +{ + static const char *names[] = { "Unknown", "On", "Blink", "Off" }; + return names[code]; +} + +static void show_express_slot(struct device *d, int where) +{ + u32 t; + u16 w; + + t = get_conf_long(d, where + PCI_EXP_SLTCAP); + printf("\t\tSlot: AtnBtn%c PwrCtrl%c MRL%c AtnInd%c PwrInd%c HotPlug%c Surpise%c\n", + FLAG(t, PCI_EXP_SLTCAP_ATNB), + FLAG(t, PCI_EXP_SLTCAP_PWRC), + FLAG(t, PCI_EXP_SLTCAP_MRL), + FLAG(t, PCI_EXP_SLTCAP_ATNI), + FLAG(t, PCI_EXP_SLTCAP_PWRI), + FLAG(t, PCI_EXP_SLTCAP_HPC), + FLAG(t, PCI_EXP_SLTCAP_HPS)); + printf("\t\tSlot: Number %d, PowerLimit %f\n", t >> 19, + power_limit((t & PCI_EXP_SLTCAP_PWR_VAL) >> 7, + (t & PCI_EXP_SLTCAP_PWR_SCL) >> 15)); + w = get_conf_word(d, where + PCI_EXP_SLTCTL); + printf("\t\tSlot: Enabled AtnBtn%c PwrFlt%c MRL%c PresDet%c CmdCplt%c HPIrq%c\n", + FLAG(w, PCI_EXP_SLTCTL_ATNB), + FLAG(w, PCI_EXP_SLTCTL_PWRF), + FLAG(w, PCI_EXP_SLTCTL_MRLS), + FLAG(w, PCI_EXP_SLTCTL_PRSD), + FLAG(w, PCI_EXP_SLTCTL_CMDC), + FLAG(w, PCI_EXP_SLTCTL_HPIE)); + printf("\t\tSlot: AttnInd %s, PwrInd %s, Power%c\n", + indicator((w & PCI_EXP_SLTCTL_ATNI) >> 6), + indicator((w & PCI_EXP_SLTCTL_PWRI) >> 8), + FLAG(w, w & PCI_EXP_SLTCTL_PWRC)); +} + +static void show_express_root(struct device *d, int where) +{ + u16 w = get_conf_word(d, where + PCI_EXP_RTCTL); + printf("\t\tRoot: Correctable%c Non-Fatal%c Fatal%c PME%c\n", + FLAG(w, PCI_EXP_RTCTL_SECEE), + FLAG(w, PCI_EXP_RTCTL_SENFEE), + FLAG(w, PCI_EXP_RTCTL_SEFEE), + FLAG(w, PCI_EXP_RTCTL_PMEIE)); +} + +static void +show_express(struct device *d, int where, int cap) +{ + int type = (cap & PCI_EXP_FLAGS_TYPE) >> 4; + int size; + int slot = 0; + + printf("Express "); + switch (type) + { + case PCI_EXP_TYPE_ENDPOINT: + printf("Endpoint"); + break; + case PCI_EXP_TYPE_LEG_END: + printf("Legacy Endpoint"); + break; + case PCI_EXP_TYPE_ROOT_PORT: + slot = cap & PCI_EXP_FLAGS_SLOT; + printf("Root Port (Slot%c)", FLAG(cap, PCI_EXP_FLAGS_SLOT)); + break; + case PCI_EXP_TYPE_UPSTREAM: + printf("Upstream Port"); + break; + case PCI_EXP_TYPE_DOWNSTREAM: + slot = cap & PCI_EXP_FLAGS_SLOT; + printf("Downstream Port (Slot%c)", FLAG(cap, PCI_EXP_FLAGS_SLOT)); + break; + case PCI_EXP_TYPE_PCI_BRIDGE: + printf("PCI/PCI-X Bridge"); + break; + default: + printf("Unknown type"); + } + printf(" IRQ %d\n", (cap & PCI_EXP_FLAGS_IRQ) >> 9); + if (verbose < 2) + return; + + size = 16; + if (slot) + size = 24; + if (type == PCI_EXP_TYPE_ROOT_PORT) + size = 32; + if (!config_fetch(d, where + PCI_EXP_DEVCAP, size)) + return; + + show_express_dev(d, where, type); + show_express_link(d, where, type); + if (slot) + show_express_slot(d, where); + if (type == PCI_EXP_TYPE_ROOT_PORT) + show_express_root(d, where); +} + +static void +show_msix(struct device *d, int where, int cap) +{ + u32 off; + + printf("MSI-X: Enable%c Mask%c TabSize=%d\n", + FLAG(cap, PCI_MSIX_ENABLE), + FLAG(cap, PCI_MSIX_MASK), + (cap & PCI_MSIX_TABSIZE) + 1); + if (verbose < 2 || !config_fetch(d, where + PCI_MSIX_TABLE, 8)) + return; + + off = get_conf_long(d, where + PCI_MSIX_TABLE); + printf("\t\tVector table: BAR=%d offset=%08x\n", + off & PCI_MSIX_BIR, off & ~PCI_MSIX_BIR); + off = get_conf_long(d, where + PCI_MSIX_PBA); + printf("\t\tPBA: BAR=%d offset=%08x\n", + off & PCI_MSIX_BIR, off & ~PCI_MSIX_BIR); +} + +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_aer(struct device *d, int where) +{ + printf("Advanced Error Reporting\n"); +} + +static void +show_vc(struct device *d, int where) +{ + printf("Virtual Channel\n"); +} + +static void +show_dsn(struct device *d, int where) +{ + u32 t1, t2; + if (!config_fetch(d, where + 4, 8)) + return; + t1 = get_conf_long(d, where + 4); + t2 = get_conf_long(d, where + 8); + printf("Device Serial Number %02x-%02x-%02x-%02x-%02x-%02x-%02x-%02x\n", + t1 & 0xff, (t1 >> 8) & 0xff, (t1 >> 16) & 0xff, t1 >> 24, + t2 & 0xff, (t2 >> 8) & 0xff, (t2 >> 16) & 0xff, t2 >> 24); +} + +static void +show_pb(struct device *d, int where) +{ + printf("Power Budgeting\n"); +} + +static void +show_ext_caps(struct device *d) +{ + int where = 0x100; + do + { + u32 header; + int id; + + if (!config_fetch(d, where, 4)) + break; + header = get_conf_long(d, where); + if (!header) + break; + id = header & 0xffff; + printf("\tCapabilities: [%03x] ", where); + switch (id) + { + case PCI_EXT_CAP_ID_AER: + show_aer(d, where); + break; + case PCI_EXT_CAP_ID_VC: + show_vc(d, where); + break; + case PCI_EXT_CAP_ID_DSN: + show_dsn(d, where); + break; + case PCI_EXT_CAP_ID_PB: + show_pb(d, where); + break; + default: + printf("Unknown (%d)\n", id); + break; + } + where = header >> 20; + } while (where); +} + +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(""); + 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; + case PCI_CAP_ID_HT: + show_ht(d, where, cap); + break; + case PCI_CAP_ID_VNDR: + show_vendor(); + break; + case PCI_CAP_ID_DBG: + show_debug(); + break; + case PCI_CAP_ID_EXP: + show_express(d, where, cap); + break; + case PCI_CAP_ID_MSIX: + show_msix(d, where, cap); + break; + default: + printf("#%02x [%04x]\n", id, cap); + } + where = next; + } + } + show_ext_caps(d); +} + +static void +show_htype0(struct device *d) +{ + show_bases(d, 6); + show_rom(d); + show_caps(d); } static void @@ -355,8 +1379,9 @@ 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 = buscentric_view ? get_conf_long(d, PCI_ROM_ADDRESS) : d->kernel_rom_base_addr; + word sec_stat = get_conf_word(d, PCI_SEC_STATUS); 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", @@ -377,53 +1402,68 @@ 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); - 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]"); + if (verbose > 1) + printf("\tSecondary status: 66Mhz%c FastB2B%c ParErr%c DEVSEL=%s >TAbort%c 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 @@ -433,6 +1473,7 @@ 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", @@ -445,8 +1486,8 @@ 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)" : ""); } @@ -461,25 +1502,24 @@ 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); } @@ -487,6 +1527,7 @@ show_htype2(struct device *d) 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); @@ -496,9 +1537,9 @@ show_verbose(struct device *d) 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; + unsigned int irq = p->irq; word subsys_v, subsys_d; + char ssnamebuf[256]; show_terse(d); @@ -506,25 +1547,21 @@ 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); subsys_d = get_conf_word(d, PCI_SUBSYSTEM_ID); break; case PCI_HEADER_TYPE_BRIDGE: - if (class != PCI_CLASS_BRIDGE_PCI) - goto badhdr; - irq = int_line = int_pin = min_gnt = max_lat = 0; + 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) - 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); @@ -534,54 +1571,60 @@ show_verbose(struct device *d) return; } - if (buscentric_view) - irq = int_line; - else - irq = d->kernel_irq; - - if (verbose && subsys_v && subsys_v != 0xffff) - printf("\tSubsystem: %s\n", lookup_subsys_device_full(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)); 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 kernel_irq) - printf(", IRQ " IRQ_FORMAT, irq); - else - printf(", IRQ ?"); + if (irq) + printf(", IRQ " PCIIRQ_FMT, irq); putchar('\n'); } @@ -637,10 +1677,17 @@ show_verbose(struct device *d) static void show_hex_dump(struct device *d) { - int i; - int limit = (show_hex > 1) ? 256 : 64; + unsigned int i, cnt; + + cnt = d->config_cnt; + if (show_hex >= 3 && config_fetch(d, cnt, 256-cnt)) + { + cnt = 256; + if (show_hex >= 4 && config_fetch(d, 256, 4096-256)) + cnt = 4096; + } - for(i=0; idev; int c; word sv_id=0, sd_id=0; + char classbuf[128], vendbuf[128], devbuf[128], svbuf[128], sdbuf[128]; switch (get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f) { @@ -670,14 +1719,21 @@ show_machine(struct device *d) if (verbose) { - printf("Device:\t%02x:%02x.%x\n", d->bus, PCI_SLOT(d->devfn), PCI_FUNC(d->devfn)); - printf("Class:\t%s\n", lookup_class(get_conf_word(d, PCI_CLASS_DEVICE))); - printf("Vendor:\t%s\n", lookup_vendor(d->vendid)); - printf("Device:\t%s\n", lookup_device(d->vendid, d->devid)); + printf("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)); + 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", lookup_subsys_vendor(sv_id)); - printf("SDevice:\t%s\n", lookup_subsys_device(sv_id, sd_id)); + 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); @@ -686,41 +1742,50 @@ show_machine(struct device *d) } else { - printf("%02x:%02x.%x ", d->bus, PCI_SLOT(d->devfn), PCI_FUNC(d->devfn)); - printf("\"%s\" \"%s\" \"%s\"", - lookup_class(get_conf_word(d, PCI_CLASS_DEVICE)), - lookup_vendor(d->vendid), - lookup_device(d->vendid, d->devid)); + 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)); 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\"", lookup_subsys_vendor(sv_id), lookup_subsys_device(sv_id, sd_id)); + 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 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 */ @@ -729,35 +1794,38 @@ 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, NULL }; +static struct bridge host_bridge = { NULL, NULL, NULL, NULL, 0, ~0, 0, ~0, NULL }; static struct bus * -find_bus(struct bridge *b, unsigned int n) +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->number == n) + if (bus->domain == domain && bus->number == n) break; return bus; } static struct bus * -new_bus(struct bridge *b, unsigned int n) +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; @@ -769,18 +1837,22 @@ new_bus(struct bridge *b, unsigned int n) 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->domain, p->bus))) { struct bridge *c; for(c=b->child; c; c=c->next) - if (c->secondary <= d->bus && d->bus <= c->subordinate) - return insert_dev(d, c); - bus = new_bus(b, d->bus); + 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 (bus, devfn) lexicographically + * 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; @@ -805,6 +1877,7 @@ grow_tree(void) (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); @@ -833,7 +1906,8 @@ grow_tree(void) struct bridge *c, *best; best = NULL; for(c=&host_bridge; c; c=c->chain) - if (c != b && b->primary >= c->secondary && b->primary <= c->subordinate && + 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) @@ -846,8 +1920,8 @@ grow_tree(void) /* Insert secondary bus for each bridge */ for(b=&host_bridge; b; b=b->chain) - if (!find_bus(b, b->secondary)) - new_bus(b, b->secondary); + if (!find_bus(b, b->domain, b->secondary)) + new_bus(b, b->domain, b->secondary); /* Create bus structs and link devices */ @@ -877,21 +1951,26 @@ 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", 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) { if (b->secondary == b->subordinate) - p += sprintf(p, "-[%02x]-", b->secondary); + p += sprintf(p, "-[%04x:%02x]-", b->domain, b->secondary); else - p += sprintf(p, "-[%02x-%02x]-", b->secondary, b->subordinate); + 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", lookup_device_full(d->vendid, d->devid)); + 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); } @@ -929,7 +2008,7 @@ show_tree_bridge(struct bridge *b, byte *line, byte *p) if (!b->first_bus->sibling) { if (b == &host_bridge) - p += sprintf(p, "[%02x]-", b->first_bus->number); + p += sprintf(p, "[%04x:%02x]-", b->domain, b->first_bus->number); show_tree_bus(b->first_bus, line, p); } else @@ -939,11 +2018,11 @@ show_tree_bridge(struct bridge *b, byte *line, byte *p) while (u->sibling) { - k = p + sprintf(p, "+-[%02x]-", u->number); + k = p + sprintf(p, "+-[%04x:%02x]-", u->domain, u->number); show_tree_bus(u, line, k); u = u->sibling; } - k = p + sprintf(p, "\\-[%02x]-", u->number); + k = p + sprintf(p, "\\-[%04x:%02x]-", u->domain, u->number); show_tree_bus(u, line, k); } } @@ -957,6 +2036,175 @@ 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) + { + /* 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(" "); + 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"); + 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 @@ -970,32 +2218,31 @@ main(int argc, char **argv) puts("lspci version " PCIUTILS_VERSION); return 0; } - filter_init(&filter); + + 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 's': - if (msg = filter_parse_slot(&filter, optarg)) - { - fprintf(stderr, "lspci: -f: %s\n", msg); - return 1; - } + if (msg = pci_filter_parse_slot(&filter, optarg)) + die("-s: %s", msg); break; case 'd': - if (msg = filter_parse_id(&filter, optarg)) - { - fprintf(stderr, "lspci: -d: %s\n", msg); - return 1; - } + if (msg = pci_filter_parse_id(&filter, optarg)) + die("-d: %s", msg); break; case 'x': show_hex++; @@ -1004,28 +2251,37 @@ main(int argc, char **argv) show_tree++; break; case 'i': - pci_ids = optarg; - break; - case 'p': - pci_dir = optarg; + 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; }