/*
- * $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 <mj@atrey.karlin.mff.cuni.cz>
+ * Copyright (c) 1997--2002 Martin Mares <mj@ucw.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
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 [<switches>]\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 [[<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"
+-i <file>\tUse specified ID database instead of %s\n\
+-M\t\tEnable `bus mapping' mode (dangerous; root only)\n"
GENERIC_HELP
;
#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 */
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 */
/* Normal output */
+#define FLAG(x,y) ((x & y) ? '+' : '-')
+
static void
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)
{
for(i=0; i<cnt; i++)
{
- unsigned long pos;
- unsigned int flg = get_conf_long(d, PCI_BASE_ADDRESS_0 + 4*i);
- pos = p->base_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);
}
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("<ignored>");
else
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;
{
if (i >= cnt - 1)
{
- printf("<invalid-64bit-slot>\n");
+ printf("<invalid-64bit-slot>");
done = 1;
}
else
if (buscentric_view)
{
if (a || z)
- printf("%08x%08lx", z, a);
+ printf("%08x" ADDR_FORMAT, z, a);
else
printf("<unassigned>");
done = 1;
if (!done)
{
if (a)
- printf(LONG_FORMAT, a);
+ printf(ADDR_FORMAT, a);
else
printf(((flg & PCI_BASE_ADDRESS_MEM_MASK) || z) ? "<ignored>" : "<unassigned>");
}
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, "<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;
+ 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("<unassigned>");
+ if (!(rom & PCI_ROM_ADDRESS_ENABLE))
+ printf(" [disabled]");
+ show_size(len);
+ putchar('\n');
+}
+
+static void
+show_msi(struct device *d, int where, int cap)
+{
+ int is64;
+ u32 t;
+ u16 w;
+
+ printf("Message Signalled Interrupts: 64bit%c Queue=%d/%d Enable%c\n",
+ FLAG(cap, PCI_MSI_FLAGS_64BIT),
+ (cap & PCI_MSI_FLAGS_QSIZE) >> 4,
+ (cap & PCI_MSI_FLAGS_QMASK) >> 1,
+ FLAG(cap, PCI_MSI_FLAGS_ENABLE));
+ if (verbose < 2)
+ return;
+ is64 = cap & PCI_MSI_FLAGS_64BIT;
+ config_fetch(d, where + PCI_MSI_ADDRESS_LO, (is64 ? PCI_MSI_DATA_64 : PCI_MSI_DATA_32) + 2 - PCI_MSI_ADDRESS_LO);
+ printf("\t\tAddress: ");
+ if (is64)
+ {
+ t = get_conf_long(d, where + PCI_MSI_ADDRESS_HI);
+ w = get_conf_word(d, where + PCI_MSI_DATA_64);
+ printf("%08x", t);
+ }
+ else
+ w = get_conf_word(d, where + PCI_MSI_DATA_32);
+ t = get_conf_long(d, where + PCI_MSI_ADDRESS_LO);
+ printf("%08x Data: %04x\n", t, w);
+}
+
+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("<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);
- 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;
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",
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
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",
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)" : "");
}
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);
}
{
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);
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);
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 <TAbort%c <MAbort%c >SERR%c <PERR%c\n",
- (status & PCI_STATUS_66MHZ) ? '+' : '-',
- (status & PCI_STATUS_UDF) ? '+' : '-',
- (status & PCI_STATUS_FAST_BACK) ? '+' : '-',
- (status & PCI_STATUS_PARITY) ? '+' : '-',
+ FLAG(cmd, PCI_COMMAND_IO),
+ FLAG(cmd, PCI_COMMAND_MEMORY),
+ FLAG(cmd, PCI_COMMAND_MASTER),
+ FLAG(cmd, PCI_COMMAND_SPECIAL),
+ FLAG(cmd, PCI_COMMAND_INVALIDATE),
+ FLAG(cmd, PCI_COMMAND_VGA_PALETTE),
+ FLAG(cmd, PCI_COMMAND_PARITY),
+ FLAG(cmd, PCI_COMMAND_WAIT),
+ FLAG(cmd, PCI_COMMAND_SERR),
+ FLAG(cmd, PCI_COMMAND_FAST_BACK));
+ printf("\tStatus: Cap%c 66Mhz%c UDF%c FastB2B%c ParErr%c DEVSEL=%s >TAbort%c <TAbort%c <MAbort%c >SERR%c <PERR%c\n",
+ FLAG(status, PCI_STATUS_CAP_LIST),
+ FLAG(status, PCI_STATUS_66MHZ),
+ FLAG(status, PCI_STATUS_UDF),
+ FLAG(status, PCI_STATUS_FAST_BACK),
+ FLAG(status, PCI_STATUS_PARITY),
((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_SLOW) ? "slow" :
((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_MEDIUM) ? "medium" :
((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_FAST) ? "fast" : "??",
- (status & PCI_STATUS_SIG_TARGET_ABORT) ? '+' : '-',
- (status & PCI_STATUS_REC_TARGET_ABORT) ? '+' : '-',
- (status & PCI_STATUS_REC_MASTER_ABORT) ? '+' : '-',
- (status & PCI_STATUS_SIG_SYSTEM_ERROR) ? '+' : '-',
- (status & PCI_STATUS_DETECTED_PARITY) ? '+' : '-');
+ FLAG(status, PCI_STATUS_SIG_TARGET_ABORT),
+ FLAG(status, PCI_STATUS_REC_TARGET_ABORT),
+ FLAG(status, PCI_STATUS_REC_MASTER_ABORT),
+ FLAG(status, PCI_STATUS_SIG_SYSTEM_ERROR),
+ FLAG(status, PCI_STATUS_DETECTED_PARITY));
if (cmd & PCI_COMMAND_MASTER)
{
- printf("\tLatency: ");
- if (min_gnt)
- printf("%d min, ", min_gnt);
- if (max_lat)
- printf("%d max, ", max_lat);
- printf("%d set", latency);
+ printf("\tLatency: %d", latency);
+ if (min_gnt || max_lat)
+ {
+ printf(" (");
+ if (min_gnt)
+ printf("%dns min", min_gnt*250);
+ if (min_gnt && max_lat)
+ printf(", ");
+ if (max_lat)
+ printf("%dns max", max_lat*250);
+ putchar(')');
+ }
if (cache_line)
printf(", cache line size %02x", cache_line);
putchar('\n');
static void
show_hex_dump(struct device *d)
{
- int i;
+ unsigned int i;
for(i=0; i<d->config_cnt; i++)
{
{
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);
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 */
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
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);
}
show_tree_bridge(&host_bridge, line, line);
}
+/* Bus mapping mode */
+
+struct bus_bridge {
+ struct bus_bridge *next;
+ byte this, dev, func, first, last, bug;
+};
+
+struct bus_info {
+ byte exists;
+ byte guestbook;
+ struct bus_bridge *bridges, *via;
+};
+
+static struct bus_info *bus_info;
+
+static void
+map_bridge(struct bus_info *bi, struct device *d, int np, int ns, int nl)
+{
+ struct bus_bridge *b = xmalloc(sizeof(struct bus_bridge));
+ struct pci_dev *p = d->dev;
+
+ b->next = bi->bridges;
+ bi->bridges = b;
+ b->this = get_conf_byte(d, np);
+ b->dev = p->dev;
+ b->func = p->func;
+ b->first = get_conf_byte(d, ns);
+ b->last = get_conf_byte(d, nl);
+ printf("## %02x.%02x:%d is a bridge from %02x to %02x-%02x\n",
+ p->bus, p->dev, p->func, b->this, b->first, b->last);
+ if (b->this != p->bus)
+ printf("!!! Bridge points to invalid primary bus.\n");
+ if (b->first > b->last)
+ {
+ printf("!!! Bridge points to invalid bus range.\n");
+ b->last = b->first;
+ }
+}
+
+static void
+do_map_bus(int bus)
+{
+ int dev, func;
+ int verbose = pacc->debugging;
+ struct bus_info *bi = bus_info + bus;
+ struct device *d;
+
+ if (verbose)
+ printf("Mapping bus %02x\n", bus);
+ for(dev = 0; dev < 32; dev++)
+ if (filter.slot < 0 || filter.slot == dev)
+ {
+ int func_limit = 1;
+ for(func = 0; func < func_limit; func++)
+ if (filter.func < 0 || filter.func == func)
+ {
+ struct pci_dev *p = pci_get_dev(pacc, bus, dev, func);
+ u16 vendor = pci_read_word(p, PCI_VENDOR_ID);
+ if (vendor && vendor != 0xffff)
+ {
+ if (!func && (pci_read_byte(p, PCI_HEADER_TYPE) & 0x80))
+ func_limit = 8;
+ if (verbose)
+ printf("Discovered device %02x:%02x.%d\n", bus, dev, func);
+ bi->exists = 1;
+ if (d = scan_device(p))
+ {
+ show_device(d);
+ switch (get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f)
+ {
+ case PCI_HEADER_TYPE_BRIDGE:
+ map_bridge(bi, d, PCI_PRIMARY_BUS, PCI_SECONDARY_BUS, PCI_SUBORDINATE_BUS);
+ break;
+ case PCI_HEADER_TYPE_CARDBUS:
+ map_bridge(bi, d, PCI_CB_PRIMARY_BUS, PCI_CB_CARD_BUS, PCI_CB_SUBORDINATE_BUS);
+ break;
+ }
+ free(d);
+ }
+ else if (verbose)
+ printf("But it was filtered out.\n");
+ }
+ pci_free_dev(p);
+ }
+ }
+}
+
+static void
+do_map_bridges(int bus, int min, int max)
+{
+ struct bus_info *bi = bus_info + bus;
+ struct bus_bridge *b;
+
+ bi->guestbook = 1;
+ for(b=bi->bridges; b; b=b->next)
+ {
+ if (bus_info[b->first].guestbook)
+ b->bug = 1;
+ else if (b->first < min || b->last > max)
+ b->bug = 2;
+ else
+ {
+ bus_info[b->first].via = b;
+ do_map_bridges(b->first, b->first, b->last);
+ }
+ }
+}
+
+static void
+map_bridges(void)
+{
+ int i;
+
+ printf("\nSummary of buses:\n\n");
+ for(i=0; i<256; i++)
+ if (bus_info[i].exists && !bus_info[i].guestbook)
+ do_map_bridges(i, 0, 255);
+ for(i=0; i<256; i++)
+ {
+ struct bus_info *bi = bus_info + i;
+ struct bus_bridge *b = bi->via;
+
+ if (bi->exists)
+ {
+ printf("%02x: ", i);
+ if (b)
+ printf("Entered via %02x:%02x.%d\n", b->this, b->dev, b->func);
+ else if (!i)
+ printf("Primary host bus\n");
+ else
+ printf("Secondary host bus (?)\n");
+ }
+ for(b=bi->bridges; b; b=b->next)
+ {
+ printf("\t%02x.%d Bridge to %02x-%02x", b->dev, b->func, b->first, b->last);
+ switch (b->bug)
+ {
+ case 1:
+ printf(" <overlap bug>");
+ break;
+ case 2:
+ printf(" <crossing bug>");
+ break;
+ }
+ putchar('\n');
+ }
+ }
+}
+
+static void
+map_the_bus(void)
+{
+ if (pacc->method == PCI_ACCESS_PROC_BUS_PCI ||
+ pacc->method == PCI_ACCESS_DUMP)
+ printf("WARNING: Bus mapping can be reliable only with direct hardware access enabled.\n\n");
+ else if (!check_root())
+ die("Only root can map the bus.");
+ bus_info = xmalloc(sizeof(struct bus_info) * 256);
+ bzero(bus_info, sizeof(struct bus_info) * 256);
+ if (filter.bus >= 0)
+ do_map_bus(filter.bus);
+ else
+ {
+ int bus;
+ for(bus=0; bus<256; bus++)
+ do_map_bus(bus);
+ }
+ map_bridges();
+}
+
/* Main */
int
case 'm':
machine_readable++;
break;
+ case 'M':
+ map_mode++;
+ break;
default:
if (parse_generic_option(i, pacc, optarg))
break;
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;
projects / pciutils.git / blobdiff