/*
* The PCI Utilities -- List All PCI Devices
*
- * Copyright (c) 1997--2008 Martin Mares <mj@ucw.cz>
+ * Copyright (c) 1997--2020 Martin Mares <mj@ucw.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
int verbose; /* Show detailed information */
static int opt_hex; /* Show contents of config space as hexadecimal numbers */
struct pci_filter filter; /* Device filter */
+static int opt_filter; /* Any filter was given */
static int opt_tree; /* Show bus tree */
+static int opt_path; /* Show bridge path */
static int opt_machine; /* Generate machine-readable output */
static int opt_map_mode; /* Bus mapping mode enabled */
static int opt_domains; /* Show domain numbers (0=disabled, 1=auto-detected, 2=requested) */
const char program_name[] = "lspci";
-static char options[] = "nvbxs:d:ti:mgp:qkMDQ" GENERIC_OPTIONS ;
+static char options[] = "nvbxs:d:tPi:mgp:qkMDQ" GENERIC_OPTIONS ;
static char help_msg[] =
"Usage: lspci [<switches>]\n"
"-t\t\tShow bus tree\n"
"\n"
"Display options:\n"
-"-v\t\tBe verbose (-vv for very verbose)\n"
+"-v\t\tBe verbose (-vv or -vvv for higher verbosity)\n"
#ifdef PCI_OS_LINUX
"-k\t\tShow kernel drivers handling each device\n"
#endif
"-xxxx\t\tShow hex-dump of the 4096-byte extended config space (root only)\n"
"-b\t\tBus-centric view (addresses and IRQ's as seen by the bus)\n"
"-D\t\tAlways show domain numbers\n"
+"-P\t\tDisplay bridge path in addition to bus and device number\n"
+"-PP\t\tDisplay bus path in addition to bus and device number\n"
"\n"
"Resolving of device ID's to names:\n"
"-n\t\tShow numeric ID's\n"
"\n"
"Selection of devices:\n"
"-s [[[[<domain>]:]<bus>]:][<slot>][.[<func>]]\tShow only devices in selected slots\n"
-"-d [<vendor>]:[<device>]\t\t\tShow only devices with specified ID's\n"
+"-d [<vendor>]:[<device>][:<class>]\t\tShow only devices with specified ID's\n"
"\n"
"Other options:\n"
"-i <file>\tUse specified ID database instead of %s\n"
struct pci_access *pacc;
struct device *first_dev;
static int seen_errors;
+static int need_topology;
int
config_fetch(struct device *d, unsigned int pos, unsigned int len)
if (p->domain && !opt_domains)
opt_domains = 1;
- if (!pci_filter_match(&filter, p))
+ if (!pci_filter_match(&filter, p) && !need_topology)
return NULL;
d = xmalloc(sizeof(struct device));
memset(d, 0, sizeof(*d));
d->dev = p;
+ d->no_config_access = p->no_config_access;
d->config_cached = d->config_bufsize = 64;
d->config = xmalloc(64);
d->present = xmalloc(64);
memset(d->present, 1, 64);
- if (!pci_read_block(p, 0, d->config, 64))
+ if (!d->no_config_access && !pci_read_block(p, 0, d->config, 64))
{
- fprintf(stderr, "lspci: Unable to read the standard configuration space header of device %04x:%02x:%02x.%d\n",
- p->domain, p->bus, p->dev, p->func);
- seen_errors++;
- return NULL;
+ d->no_config_access = 1;
+ d->config_cached = d->config_bufsize = 0;
+ memset(d->present, 0, 64);
}
- if ((d->config[PCI_HEADER_TYPE] & 0x7f) == PCI_HEADER_TYPE_CARDBUS)
+ if (!d->no_config_access && (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... */
d->config_cached += 64;
}
pci_setup_cache(p, d->config, d->config_cached);
- pci_fill_info(p, PCI_FILL_IDENT | PCI_FILL_CLASS | PCI_FILL_IRQ | PCI_FILL_BASES | PCI_FILL_ROM_BASE | PCI_FILL_SIZES | PCI_FILL_PHYS_SLOT);
+ pci_fill_info(p, PCI_FILL_IDENT | PCI_FILL_CLASS | PCI_FILL_CLASS_EXT | PCI_FILL_SUBSYS | (need_topology ? PCI_FILL_PARENT : 0));
return d;
}
/*** Normal output ***/
static void
-show_slot_name(struct device *d)
+show_slot_path(struct device *d)
{
struct pci_dev *p = d->dev;
- if (!opt_machine ? opt_domains : (p->domain || opt_domains >= 2))
- printf("%04x:", p->domain);
+ if (opt_path)
+ {
+ struct bus *bus = d->parent_bus;
+ struct bridge *br = bus->parent_bridge;
+
+ if (br && br->br_dev)
+ {
+ show_slot_path(br->br_dev);
+ if (opt_path > 1)
+ printf("/%02x:%02x.%d", p->bus, p->dev, p->func);
+ else
+ printf("/%02x.%d", p->dev, p->func);
+ return;
+ }
+ }
printf("%02x:%02x.%d", p->bus, p->dev, p->func);
}
-void
-get_subid(struct device *d, word *subvp, word *subdp)
+static void
+show_slot_name(struct device *d)
{
- byte htype = get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f;
+ struct pci_dev *p = d->dev;
- if (htype == PCI_HEADER_TYPE_NORMAL)
- {
- *subvp = get_conf_word(d, PCI_SUBSYSTEM_VENDOR_ID);
- *subdp = get_conf_word(d, PCI_SUBSYSTEM_ID);
- }
- else if (htype == PCI_HEADER_TYPE_CARDBUS && d->config_cached >= 128)
- {
- *subvp = get_conf_word(d, PCI_CB_SUBSYSTEM_VENDOR_ID);
- *subdp = get_conf_word(d, PCI_CB_SUBSYSTEM_ID);
- }
- else
- *subvp = *subdp = 0xffff;
+ if (!opt_machine ? opt_domains : (p->domain || opt_domains >= 2))
+ printf("%04x:", p->domain);
+ show_slot_path(d);
}
static void
pci_lookup_name(pacc, devbuf, sizeof(devbuf),
PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE,
p->vendor_id, p->device_id));
- if (c = get_conf_byte(d, PCI_REVISION_ID))
- printf(" (rev %02x)", c);
+ if ((p->known_fields & PCI_FILL_CLASS_EXT) && p->rev_id)
+ printf(" (rev %02x)", p->rev_id);
if (verbose)
{
char *x;
- c = get_conf_byte(d, PCI_CLASS_PROG);
+ c = (p->known_fields & PCI_FILL_CLASS_EXT) ? p->prog_if : 0;
x = pci_lookup_name(pacc, devbuf, sizeof(devbuf),
PCI_LOOKUP_PROGIF | PCI_LOOKUP_NO_NUMBERS,
p->device_class, c);
if (verbose || opt_kernel)
{
- word subsys_v, subsys_d;
char ssnamebuf[256];
- get_subid(d, &subsys_v, &subsys_d);
- if (subsys_v && subsys_v != 0xffff)
+ pci_fill_info(p, PCI_FILL_LABEL);
+
+ if (p->label)
+ printf("\tDeviceName: %s", p->label);
+ if ((p->known_fields & PCI_FILL_SUBSYS) &&
+ p->subsys_vendor_id && p->subsys_vendor_id != 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));
+ p->vendor_id, p->device_id, p->subsys_vendor_id, p->subsys_id));
}
}
/*** Verbose output ***/
static void
-show_size(pciaddr_t x)
+show_size(u64 x)
{
static const char suffix[][2] = { "", "K", "M", "G", "T" };
unsigned i;
if (!x)
return;
for (i = 0; i < (sizeof(suffix) / sizeof(*suffix) - 1); i++) {
- if (x < 1024)
+ if (x % 1024)
break;
x /= 1024;
}
}
static void
-show_bases(struct device *d, int cnt)
+show_range(const char *prefix, u64 base, u64 limit, int bits, int disabled)
+{
+ printf("%s:", prefix);
+ if (base <= limit || verbose > 2)
+ printf(" %0*" PCI_U64_FMT_X "-%0*" PCI_U64_FMT_X, (bits+3)/4, base, (bits+3)/4, limit);
+ if (!disabled && base <= limit)
+ show_size(limit - base + 1);
+ else
+ printf(" [disabled]");
+ if (bits)
+ printf(" [%d-bit]", bits);
+ putchar('\n');
+}
+
+static u32
+ioflg_to_pciflg(pciaddr_t ioflg)
+{
+ u32 flg;
+
+ if (ioflg & PCI_IORESOURCE_IO)
+ flg = PCI_BASE_ADDRESS_SPACE_IO;
+ else if (!(ioflg & PCI_IORESOURCE_MEM))
+ flg = 0;
+ else
+ {
+ flg = PCI_BASE_ADDRESS_SPACE_MEMORY;
+ if (ioflg & PCI_IORESOURCE_MEM_64)
+ flg |= PCI_BASE_ADDRESS_MEM_TYPE_64;
+ else
+ flg |= PCI_BASE_ADDRESS_MEM_TYPE_32;
+ if (ioflg & PCI_IORESOURCE_PREFETCH)
+ flg |= PCI_BASE_ADDRESS_MEM_PREFETCH;
+ }
+
+ return flg;
+}
+
+static void
+show_bases(struct device *d, int cnt, int without_config_data)
{
struct pci_dev *p = d->dev;
- word cmd = get_conf_word(d, PCI_COMMAND);
+ word cmd = without_config_data ? (PCI_COMMAND_IO | PCI_COMMAND_MEMORY) : get_conf_word(d, PCI_COMMAND);
int i;
- int virtual = 0;
for (i=0; i<cnt; i++)
{
pciaddr_t pos = p->base_addr[i];
pciaddr_t len = (p->known_fields & PCI_FILL_SIZES) ? p->size[i] : 0;
- u32 flg = get_conf_long(d, PCI_BASE_ADDRESS_0 + 4*i);
+ pciaddr_t ioflg = (p->known_fields & PCI_FILL_IO_FLAGS) ? p->flags[i] : 0;
+ u32 flg = (p->known_fields & PCI_FILL_IO_FLAGS) ? ioflg_to_pciflg(ioflg) : without_config_data ? 0 : get_conf_long(d, PCI_BASE_ADDRESS_0 + 4*i);
+ u32 hw_lower = 0;
+ u32 hw_upper = 0;
+ int broken = 0;
+ int virtual = 0;
+
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 */
+
+ /* Detect virtual regions, which are reported by the OS, but unassigned in the device */
+ if ((p->known_fields & PCI_FILL_IO_FLAGS) && !without_config_data)
{
- printf("[virtual] ");
- flg = pos;
- virtual = 1;
+ /* Read address as seen by the hardware */
+ hw_lower = get_conf_long(d, PCI_BASE_ADDRESS_0 + 4*i);
+ if ((hw_lower & PCI_BASE_ADDRESS_SPACE) == (ioflg_to_pciflg(ioflg) & PCI_BASE_ADDRESS_SPACE))
+ {
+ if ((ioflg & PCI_IORESOURCE_TYPE_BITS) == PCI_IORESOURCE_MEM &&
+ (hw_lower & PCI_BASE_ADDRESS_MEM_TYPE_MASK) == PCI_BASE_ADDRESS_MEM_TYPE_64)
+ {
+ if (i >= cnt - 1)
+ broken = 1;
+ else
+ hw_upper = get_conf_long(d, PCI_BASE_ADDRESS_0 + 4*i + 1);
+ }
+ if (pos && !hw_lower && !hw_upper && !(ioflg & PCI_IORESOURCE_PCI_EA_BEI))
+ virtual = 1;
+ }
}
+
+ /* Print base address */
if (flg & PCI_BASE_ADDRESS_SPACE_IO)
{
pciaddr_t a = pos & PCI_BASE_ADDRESS_IO_MASK;
printf("I/O ports at ");
if (a || (cmd & PCI_COMMAND_IO))
printf(PCIADDR_PORT_FMT, a);
- else if (flg & PCI_BASE_ADDRESS_IO_MASK)
+ else if (hw_lower)
printf("<ignored>");
else
printf("<unassigned>");
- if (!virtual && !(cmd & PCI_COMMAND_IO))
+ if (virtual)
+ printf(" [virtual]");
+ else if (!(cmd & PCI_COMMAND_IO))
printf(" [disabled]");
}
else
{
int t = flg & PCI_BASE_ADDRESS_MEM_TYPE_MASK;
pciaddr_t a = pos & PCI_ADDR_MEM_MASK;
- int done = 0;
- u32 z = 0;
printf("Memory at ");
- if (t == PCI_BASE_ADDRESS_MEM_TYPE_64)
- {
- if (i >= cnt - 1)
- {
- printf("<invalid-64bit-slot>");
- done = 1;
- }
- else
- {
- i++;
- z = get_conf_long(d, PCI_BASE_ADDRESS_0 + 4*i);
- }
- }
- if (!done)
- {
- if (a)
- printf(PCIADDR_T_FMT, a);
- else
- printf(((flg & PCI_BASE_ADDRESS_MEM_MASK) || z) ? "<ignored>" : "<unassigned>");
- }
+ if (broken)
+ printf("<broken-64-bit-slot>");
+ else if (a)
+ printf(PCIADDR_T_FMT, a);
+ else if (hw_lower || hw_upper)
+ printf("<ignored>");
+ else
+ printf("<unassigned>");
printf(" (%s, %sprefetchable)",
(t == PCI_BASE_ADDRESS_MEM_TYPE_32) ? "32-bit" :
(t == PCI_BASE_ADDRESS_MEM_TYPE_64) ? "64-bit" :
(t == PCI_BASE_ADDRESS_MEM_TYPE_1M) ? "low-1M" : "type 3",
(flg & PCI_BASE_ADDRESS_MEM_PREFETCH) ? "" : "non-");
- if (!virtual && !(cmd & PCI_COMMAND_MEMORY))
+ if (virtual)
+ printf(" [virtual]");
+ else if (!(cmd & PCI_COMMAND_MEMORY))
printf(" [disabled]");
}
+
+ if (ioflg & PCI_IORESOURCE_PCI_EA_BEI)
+ printf(" [enhanced]");
+
show_size(len);
putchar('\n');
}
struct pci_dev *p = d->dev;
pciaddr_t rom = p->rom_base_addr;
pciaddr_t len = (p->known_fields & PCI_FILL_SIZES) ? p->rom_size : 0;
- u32 flg = get_conf_long(d, reg);
- word cmd = get_conf_word(d, PCI_COMMAND);
+ pciaddr_t ioflg = (p->known_fields & PCI_FILL_IO_FLAGS) ? p->rom_flags : 0;
+ u32 flg = reg >= 0 ? get_conf_long(d, reg) : ioflg_to_pciflg(ioflg);
+ word cmd = reg >= 0 ? get_conf_word(d, PCI_COMMAND) : PCI_COMMAND_MEMORY;
int virtual = 0;
if (!rom && !flg && !len)
return;
- putchar('\t');
- if ((rom & PCI_ROM_ADDRESS_MASK) && !(flg & PCI_ROM_ADDRESS_MASK))
+
+ if (reg >= 0 && (rom & PCI_ROM_ADDRESS_MASK) && !(flg & PCI_ROM_ADDRESS_MASK) && !(ioflg & PCI_IORESOURCE_PCI_EA_BEI))
{
- printf("[virtual] ");
flg = rom;
virtual = 1;
}
- printf("Expansion ROM at ");
+
+ printf("\tExpansion ROM at ");
if (rom & PCI_ROM_ADDRESS_MASK)
printf(PCIADDR_T_FMT, rom & PCI_ROM_ADDRESS_MASK);
else if (flg & PCI_ROM_ADDRESS_MASK)
printf("<ignored>");
else
printf("<unassigned>");
+
+ if (virtual)
+ printf(" [virtual]");
+
if (!(flg & PCI_ROM_ADDRESS_ENABLE))
printf(" [disabled]");
else if (!virtual && !(cmd & PCI_COMMAND_MEMORY))
printf(" [disabled by cmd]");
+
+ if (ioflg & PCI_IORESOURCE_PCI_EA_BEI)
+ printf(" [enhanced]");
+
show_size(len);
putchar('\n');
}
static void
show_htype0(struct device *d)
{
- show_bases(d, 6);
+ show_bases(d, 6, 0);
show_rom(d, PCI_ROM_ADDRESS);
- show_caps(d);
+ show_caps(d, PCI_CAPABILITY_LIST);
}
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_type = pref_base & PCI_PREF_RANGE_TYPE_MASK;
word sec_stat = get_conf_word(d, PCI_SEC_STATUS);
word brc = get_conf_word(d, PCI_BRIDGE_CONTROL);
- int verb = verbose > 2;
+ int io_disabled = (p->known_fields & PCI_FILL_BRIDGE_BASES) && !p->bridge_size[0];
+ int mem_disabled = (p->known_fields & PCI_FILL_BRIDGE_BASES) && !p->bridge_size[1];
+ int pref_disabled = (p->known_fields & PCI_FILL_BRIDGE_BASES) && !p->bridge_size[2];
+ int io_bits, pref_bits;
- show_bases(d, 2);
+ show_bases(d, 2, 0);
printf("\tBus: primary=%02x, secondary=%02x, subordinate=%02x, sec-latency=%d\n",
get_conf_byte(d, PCI_PRIMARY_BUS),
get_conf_byte(d, PCI_SECONDARY_BUS),
get_conf_byte(d, PCI_SUBORDINATE_BUS),
get_conf_byte(d, PCI_SEC_LATENCY_TIMER));
- if (io_type != (io_limit & PCI_IO_RANGE_TYPE_MASK) ||
+ if ((p->known_fields & PCI_FILL_BRIDGE_BASES) && !io_disabled)
+ {
+ io_base = p->bridge_base_addr[0] & PCI_IO_RANGE_MASK;
+ io_limit = io_base + p->bridge_size[0] - 1;
+ io_type = p->bridge_base_addr[0] & PCI_IO_RANGE_TYPE_MASK;
+ io_bits = (io_type == PCI_IO_RANGE_TYPE_32) ? 32 : 16;
+ show_range("\tI/O behind bridge", io_base, io_limit, io_bits, io_disabled);
+ }
+ else if (io_type != (io_limit & PCI_IO_RANGE_TYPE_MASK) ||
(io_type != PCI_IO_RANGE_TYPE_16 && io_type != PCI_IO_RANGE_TYPE_32))
printf("\t!!! Unknown I/O range types %x/%x\n", io_base, io_limit);
else
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 <= io_limit || verb)
- printf("\tI/O behind bridge: %08x-%08x\n", io_base, io_limit+0xfff);
+ /* I/O is unsupported if both base and limit are zeros and resource is disabled */
+ if (!(io_base == 0x0 && io_limit == 0x0 && io_disabled))
+ {
+ io_limit += 0xfff;
+ io_bits = (io_type == PCI_IO_RANGE_TYPE_32) ? 32 : 16;
+ show_range("\tI/O behind bridge", io_base, io_limit, io_bits, io_disabled);
+ }
}
- if (mem_type != (mem_limit & PCI_MEMORY_RANGE_TYPE_MASK) ||
+ if ((p->known_fields & PCI_FILL_BRIDGE_BASES) && !mem_disabled)
+ {
+ mem_base = p->bridge_base_addr[1] & PCI_MEMORY_RANGE_MASK;
+ mem_limit = mem_base + p->bridge_size[1] - 1;
+ show_range("\tMemory behind bridge", mem_base, mem_limit, 32, mem_disabled);
+ }
+ else 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
{
mem_base = (mem_base & PCI_MEMORY_RANGE_MASK) << 16;
mem_limit = (mem_limit & PCI_MEMORY_RANGE_MASK) << 16;
- if (mem_base <= mem_limit || verb)
- printf("\tMemory behind bridge: %08x-%08x\n", mem_base, mem_limit + 0xfffff);
+ show_range("\tMemory behind bridge", mem_base, mem_limit + 0xfffff, 32, mem_disabled);
}
- if (pref_type != (pref_limit & PCI_PREF_RANGE_TYPE_MASK) ||
+ if ((p->known_fields & PCI_FILL_BRIDGE_BASES) && !pref_disabled)
+ {
+ u64 pref_base_64 = p->bridge_base_addr[2] & PCI_MEMORY_RANGE_MASK;
+ u64 pref_limit_64 = pref_base_64 + p->bridge_size[2] - 1;
+ pref_type = p->bridge_base_addr[2] & PCI_MEMORY_RANGE_TYPE_MASK;
+ pref_bits = (pref_type == PCI_PREF_RANGE_TYPE_64) ? 64 : 32;
+ show_range("\tPrefetchable memory behind bridge", pref_base_64, pref_limit_64, pref_bits, pref_disabled);
+ }
+ else 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
{
- pref_base = (pref_base & PCI_PREF_RANGE_MASK) << 16;
- pref_limit = (pref_limit & PCI_PREF_RANGE_MASK) << 16;
- if (pref_base <= pref_limit || verb)
+ u64 pref_base_64 = (pref_base & PCI_PREF_RANGE_MASK) << 16;
+ u64 pref_limit_64 = (pref_limit & PCI_PREF_RANGE_MASK) << 16;
+ if (pref_type == PCI_PREF_RANGE_TYPE_64)
{
- 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 + 0xfffff);
+ pref_base_64 |= (u64) get_conf_long(d, PCI_PREF_BASE_UPPER32) << 32;
+ pref_limit_64 |= (u64) get_conf_long(d, PCI_PREF_LIMIT_UPPER32) << 32;
}
+ /* Prefetchable memory is unsupported if both base and limit are zeros and resource is disabled */
+ if (!(pref_base_64 == 0x0 && pref_limit_64 == 0x0 && pref_disabled))
+ {
+ pref_limit_64 += 0xfffff;
+ pref_bits = (pref_type == PCI_PREF_RANGE_TYPE_64) ? 64 : 32;
+ show_range("\tPrefetchable memory behind bridge", pref_base_64, pref_limit_64, pref_bits, pref_disabled);
+ }
}
if (verbose > 1)
if (verbose > 1)
{
- printf("\tBridgeCtl: Parity%c SERR%c NoISA%c VGA%c MAbort%c >Reset%c FastB2B%c\n",
+ printf("\tBridgeCtl: Parity%c SERR%c NoISA%c VGA%c VGA16%c MAbort%c >Reset%c FastB2B%c\n",
FLAG(brc, PCI_BRIDGE_CTL_PARITY),
FLAG(brc, PCI_BRIDGE_CTL_SERR),
FLAG(brc, PCI_BRIDGE_CTL_NO_ISA),
FLAG(brc, PCI_BRIDGE_CTL_VGA),
+ FLAG(brc, PCI_BRIDGE_CTL_VGA_16BIT),
FLAG(brc, PCI_BRIDGE_CTL_MASTER_ABORT),
FLAG(brc, PCI_BRIDGE_CTL_BUS_RESET),
FLAG(brc, PCI_BRIDGE_CTL_FAST_BACK));
FLAG(brc, PCI_BRIDGE_CTL_DISCARD_TIMER_SERR_EN));
}
- show_caps(d);
+ show_caps(d, PCI_CAPABILITY_LIST);
}
static void
word exca;
int verb = verbose > 2;
- show_bases(d, 1);
+ show_bases(d, 1, 0);
printf("\tBus: primary=%02x, secondary=%02x, subordinate=%02x, sec-latency=%d\n",
get_conf_byte(d, PCI_CB_PRIMARY_BUS),
get_conf_byte(d, PCI_CB_CARD_BUS),
exca = get_conf_word(d, PCI_CB_LEGACY_MODE_BASE);
if (exca)
printf("\t16-bit legacy interface ports at %04x\n", exca);
+ show_caps(d, PCI_CB_CAPABILITY_LIST);
+}
+
+static void
+show_htype_unknown(struct device *d)
+{
+ struct pci_dev *p = d->dev;
+ u64 base, limit, flags;
+ const char *str;
+ int i, bits;
+
+ if (pacc->buscentric)
+ return;
+
+ show_bases(d, 6, 1);
+ for (i = 0; i < 4; i++)
+ {
+ if (!p->bridge_base_addr[i])
+ continue;
+ base = p->bridge_base_addr[i];
+ limit = base + p->bridge_size[i] - 1;
+ flags = p->bridge_flags[i];
+ if (flags & PCI_IORESOURCE_IO)
+ {
+ bits = (flags & PCI_IORESOURCE_IO_16BIT_ADDR) ? 16 : 32;
+ str = "\tI/O behind bridge";
+ }
+ else if (flags & PCI_IORESOURCE_MEM)
+ {
+ bits = (flags & PCI_IORESOURCE_MEM_64) ? 64 : 32;
+ if (flags & PCI_IORESOURCE_PREFETCH)
+ str = "\tPrefetchable memory behind bridge";
+ else
+ str = "\tMemory behind bridge";
+ }
+ else
+ {
+ bits = 0;
+ str = "\tUnknown resource behind bridge";
+ }
+ show_range(str, base, limit, bits, 0);
+ }
+ show_rom(d, -1);
}
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);
+ int unknown_config_data = 0;
word class = p->device_class;
- byte bist = get_conf_byte(d, PCI_BIST);
- byte htype = get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f;
- byte latency = get_conf_byte(d, PCI_LATENCY_TIMER);
- byte cache_line = get_conf_byte(d, PCI_CACHE_LINE_SIZE);
+ byte htype = d->no_config_access ? -1 : (get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f);
+ byte bist;
byte max_lat, min_gnt;
- byte int_pin = get_conf_byte(d, PCI_INTERRUPT_PIN);
- unsigned int irq = p->irq;
+ char *dt_node, *iommu_group;
show_terse(d);
+ pci_fill_info(p, PCI_FILL_IRQ | PCI_FILL_BASES | PCI_FILL_ROM_BASE | PCI_FILL_SIZES |
+ PCI_FILL_PHYS_SLOT | PCI_FILL_NUMA_NODE | PCI_FILL_DT_NODE | PCI_FILL_IOMMU_GROUP |
+ PCI_FILL_BRIDGE_BASES | PCI_FILL_CLASS_EXT | PCI_FILL_SUBSYS);
+
switch (htype)
{
case PCI_HEADER_TYPE_NORMAL:
if (class == PCI_CLASS_BRIDGE_PCI)
printf("\t!!! Invalid class %04x for header type %02x\n", class, htype);
+ bist = get_conf_byte(d, PCI_BIST);
max_lat = get_conf_byte(d, PCI_MAX_LAT);
min_gnt = get_conf_byte(d, PCI_MIN_GNT);
break;
case PCI_HEADER_TYPE_BRIDGE:
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;
+ bist = get_conf_byte(d, PCI_BIST);
+ min_gnt = max_lat = 0;
break;
case PCI_HEADER_TYPE_CARDBUS:
if ((class >> 8) != PCI_BASE_CLASS_BRIDGE)
printf("\t!!! Invalid class %04x for header type %02x\n", class, htype);
+ bist = get_conf_byte(d, PCI_BIST);
min_gnt = max_lat = 0;
break;
default:
+ if (!d->no_config_access)
printf("\t!!! Unknown header type %02x\n", htype);
- return;
+ bist = 0;
+ min_gnt = max_lat = 0;
+ unknown_config_data = 1;
}
if (p->phy_slot)
printf("\tPhysical Slot: %s\n", p->phy_slot);
- if (verbose > 1)
+ if (dt_node = pci_get_string_property(p, PCI_FILL_DT_NODE))
+ printf("\tDevice tree node: %s\n", dt_node);
+
+ if (!unknown_config_data && verbose > 1)
{
+ word cmd = get_conf_word(d, PCI_COMMAND);
+ word status = get_conf_word(d, PCI_STATUS);
printf("\tControl: I/O%c Mem%c BusMaster%c SpecCycle%c MemWINV%c VGASnoop%c ParErr%c Stepping%c SERR%c FastB2B%c DisINTx%c\n",
FLAG(cmd, PCI_COMMAND_IO),
FLAG(cmd, PCI_COMMAND_MEMORY),
FLAG(status, PCI_STATUS_INTx));
if (cmd & PCI_COMMAND_MASTER)
{
+ byte latency = get_conf_byte(d, PCI_LATENCY_TIMER);
+ byte cache_line = get_conf_byte(d, PCI_CACHE_LINE_SIZE);
printf("\tLatency: %d", latency);
if (min_gnt || max_lat)
{
printf(", Cache Line Size: %d bytes", cache_line * 4);
putchar('\n');
}
- if (int_pin || irq)
+ }
+
+ if (verbose > 1)
+ {
+ byte int_pin = unknown_config_data ? 0 : get_conf_byte(d, PCI_INTERRUPT_PIN);
+ if (int_pin || p->irq)
printf("\tInterrupt: pin %c routed to IRQ " PCIIRQ_FMT "\n",
- (int_pin ? 'A' + int_pin - 1 : '?'), irq);
+ (int_pin ? 'A' + int_pin - 1 : '?'), p->irq);
+ if (p->numa_node != -1)
+ printf("\tNUMA node: %d\n", p->numa_node);
+ if (iommu_group = pci_get_string_property(p, PCI_FILL_IOMMU_GROUP))
+ printf("\tIOMMU group: %s\n", iommu_group);
}
- else
+
+ if (!unknown_config_data && verbose <= 1)
{
+ word cmd = get_conf_word(d, PCI_COMMAND);
+ word status = get_conf_word(d, PCI_STATUS);
+ byte latency = get_conf_byte(d, PCI_LATENCY_TIMER);
printf("\tFlags: ");
if (cmd & PCI_COMMAND_MASTER)
printf("bus master, ");
((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_FAST) ? "fast" : "??");
if (cmd & PCI_COMMAND_MASTER)
printf(", latency %d", latency);
- if (irq)
- printf(", IRQ " PCIIRQ_FMT, irq);
+ if (p->irq)
+ printf(", IRQ " PCIIRQ_FMT, p->irq);
+ if (p->numa_node != -1)
+ printf(", NUMA node %d", p->numa_node);
+ if (iommu_group = pci_get_string_property(p, PCI_FILL_IOMMU_GROUP))
+ printf(", IOMMU group %s", iommu_group);
putchar('\n');
}
case PCI_HEADER_TYPE_CARDBUS:
show_htype2(d);
break;
+ default:
+ show_htype_unknown(d);
}
}
{
unsigned int i, cnt;
+ if (d->no_config_access)
+ {
+ printf("WARNING: Cannot show hex-dump of the config space\n");
+ return;
+ }
+
cnt = d->config_cached;
if (opt_hex >= 3 && config_fetch(d, cnt, 256-cnt))
{
show_machine(struct device *d)
{
struct pci_dev *p = d->dev;
- int c;
- word sv_id, sd_id;
char classbuf[128], vendbuf[128], devbuf[128], svbuf[128], sdbuf[128];
-
- get_subid(d, &sv_id, &sd_id);
+ char *dt_node, *iommu_group;
if (verbose)
{
+ pci_fill_info(p, PCI_FILL_PHYS_SLOT | PCI_FILL_NUMA_NODE | PCI_FILL_DT_NODE | PCI_FILL_IOMMU_GROUP);
printf((opt_machine >= 2) ? "Slot:\t" : "Device:\t");
show_slot_name(d);
putchar('\n');
pci_lookup_name(pacc, vendbuf, sizeof(vendbuf), PCI_LOOKUP_VENDOR, p->vendor_id, p->device_id));
printf("Device:\t%s\n",
pci_lookup_name(pacc, devbuf, sizeof(devbuf), PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id));
- if (sv_id && sv_id != 0xffff)
+ if ((p->known_fields & PCI_FILL_SUBSYS) &&
+ p->subsys_vendor_id && p->subsys_vendor_id != 0xffff)
{
printf("SVendor:\t%s\n",
- pci_lookup_name(pacc, svbuf, sizeof(svbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_VENDOR, sv_id));
+ pci_lookup_name(pacc, svbuf, sizeof(svbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_VENDOR, p->subsys_vendor_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));
+ pci_lookup_name(pacc, sdbuf, sizeof(sdbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id, p->subsys_vendor_id, p->subsys_id));
}
if (p->phy_slot)
printf("PhySlot:\t%s\n", p->phy_slot);
- if (c = get_conf_byte(d, PCI_REVISION_ID))
- printf("Rev:\t%02x\n", c);
- if (c = get_conf_byte(d, PCI_CLASS_PROG))
- printf("ProgIf:\t%02x\n", c);
+ if ((p->known_fields & PCI_FILL_CLASS_EXT) && p->rev_id)
+ printf("Rev:\t%02x\n", p->rev_id);
+ if (p->known_fields & PCI_FILL_CLASS_EXT)
+ printf("ProgIf:\t%02x\n", p->prog_if);
if (opt_kernel)
show_kernel_machine(d);
+ if (p->numa_node != -1)
+ printf("NUMANode:\t%d\n", p->numa_node);
+ if (dt_node = pci_get_string_property(p, PCI_FILL_DT_NODE))
+ printf("DTNode:\t%s\n", dt_node);
+ if (iommu_group = pci_get_string_property(p, PCI_FILL_IOMMU_GROUP))
+ printf("IOMMUGroup:\t%s\n", iommu_group);
}
else
{
print_shell_escaped(pci_lookup_name(pacc, classbuf, sizeof(classbuf), PCI_LOOKUP_CLASS, p->device_class));
print_shell_escaped(pci_lookup_name(pacc, vendbuf, sizeof(vendbuf), PCI_LOOKUP_VENDOR, p->vendor_id, p->device_id));
print_shell_escaped(pci_lookup_name(pacc, devbuf, sizeof(devbuf), PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id));
- if (c = get_conf_byte(d, PCI_REVISION_ID))
- printf(" -r%02x", c);
- if (c = get_conf_byte(d, PCI_CLASS_PROG))
- printf(" -p%02x", c);
- if (sv_id && sv_id != 0xffff)
+ if ((p->known_fields & PCI_FILL_CLASS_EXT) && p->rev_id)
+ printf(" -r%02x", p->rev_id);
+ if (p->known_fields & PCI_FILL_CLASS_EXT)
+ printf(" -p%02x", p->prog_if);
+ if ((p->known_fields & PCI_FILL_SUBSYS) &&
+ p->subsys_vendor_id && p->subsys_vendor_id != 0xffff)
{
- print_shell_escaped(pci_lookup_name(pacc, svbuf, sizeof(svbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_VENDOR, sv_id));
- print_shell_escaped(pci_lookup_name(pacc, sdbuf, sizeof(sdbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id, sv_id, sd_id));
+ print_shell_escaped(pci_lookup_name(pacc, svbuf, sizeof(svbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_VENDOR, p->subsys_vendor_id));
+ print_shell_escaped(pci_lookup_name(pacc, sdbuf, sizeof(sdbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id, p->subsys_vendor_id, p->subsys_id));
}
else
printf(" \"\" \"\"");
struct device *d;
for (d=first_dev; d; d=d->next)
- show_device(d);
+ if (pci_filter_match(&filter, d->dev))
+ show_device(d);
}
/* Main */
case 's':
if (msg = pci_filter_parse_slot(&filter, optarg))
die("-s: %s", msg);
+ opt_filter = 1;
break;
case 'd':
if (msg = pci_filter_parse_id(&filter, optarg))
die("-d: %s", msg);
+ opt_filter = 1;
break;
case 'x':
opt_hex++;
break;
+ case 'P':
+ opt_path++;
+ need_topology = 1;
+ break;
case 't':
opt_tree++;
+ need_topology = 1;
break;
case 'i':
pci_set_name_list_path(pacc, optarg, 0);
pci_init(pacc);
if (opt_map_mode)
- map_the_bus();
+ {
+ if (need_topology)
+ die("Bus mapping mode does not recognize bus topology");
+ map_the_bus();
+ }
else
{
scan_devices();
sort_them();
+ if (need_topology)
+ grow_tree();
if (opt_tree)
- show_forest();
+ show_forest(opt_filter ? &filter : NULL);
else
show();
}
+ show_kernel_cleanup();
pci_cleanup(pacc);
return (seen_errors ? 2 : 0);