diff options
author | Matthew Wilcox <willy@linux.intel.com> | 2014-09-30 14:02:52 -0400 |
---|---|---|
committer | Martin Mares <mj@ucw.cz> | 2014-11-02 11:36:19 +0100 |
commit | 4d1c95253f900ccb62b2b960f9ae34d82ac26f29 (patch) | |
tree | 987e05820c07e475d756c3b419a7823ee30a3b46 | |
parent | 28617b24727c55959fd9ce2e37bb34d5953fa9ab (diff) | |
download | pciutils-4d1c95253f900ccb62b2b960f9ae34d82ac26f29.tar.gz |
lspci: Add ability to filter by class code
Extend the 'filter by device ID' functionality to allow optional
specification of a device ID. For example, to list all USB controllers
in the system made by Intel, specify:
lspci -d 8086::0c03
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
-rw-r--r-- | lib/filter.c | 22 | ||||
-rw-r--r-- | lib/pci.h | 2 | ||||
-rw-r--r-- | lspci.c | 2 | ||||
-rw-r--r-- | lspci.man | 7 |
4 files changed, 25 insertions, 8 deletions
diff --git a/lib/filter.c b/lib/filter.c index f321b0f..fab0025 100644 --- a/lib/filter.c +++ b/lib/filter.c @@ -15,7 +15,7 @@ void pci_filter_init(struct pci_access *a UNUSED, struct pci_filter *f) { f->domain = f->bus = f->slot = f->func = -1; - f->vendor = f->device = -1; + f->vendor = f->device = f->class = -1; } /* Slot filter syntax: [[[domain]:][bus]:][slot][.[func]] */ @@ -74,12 +74,12 @@ pci_filter_parse_slot(struct pci_filter *f, char *str) return NULL; } -/* ID filter syntax: [vendor]:[device] */ +/* ID filter syntax: [vendor]:[device][:class] */ char * pci_filter_parse_id(struct pci_filter *f, char *str) { - char *s, *e; + char *s, *c, *e; if (!*str) return NULL; @@ -94,6 +94,9 @@ pci_filter_parse_id(struct pci_filter *f, char *str) return "Invalid vendor ID"; f->vendor = x; } + c = strchr(s, ':'); + if (c) + *c++ = 0; if (s[0] && strcmp(s, "*")) { long int x = strtol(s, &e, 16); @@ -101,6 +104,13 @@ pci_filter_parse_id(struct pci_filter *f, char *str) return "Invalid device ID"; f->device = x; } + if (c && c[0] && strcmp(s, "*")) + { + long int x = strtol(c, &e, 16); + if ((e && *e) || (x < 0 || x > 0xffff)) + return "Invalid class code"; + f->class = x; + } return NULL; } @@ -119,5 +129,11 @@ pci_filter_match(struct pci_filter *f, struct pci_dev *d) (f->vendor >= 0 && f->vendor != d->vendor_id)) return 0; } + if (f->class >= 0) + { + pci_fill_info(d, PCI_FILL_CLASS); + if (f->class != d->device_class) + return 0; + } return 1; } @@ -198,7 +198,7 @@ struct pci_cap *pci_find_cap(struct pci_dev *, unsigned int id, unsigned int typ struct pci_filter { int domain, bus, slot, func; /* -1 = ANY */ - int vendor, device; + int vendor, device, class; }; void pci_filter_init(struct pci_access *, struct pci_filter *) PCI_ABI; @@ -60,7 +60,7 @@ static char help_msg[] = "\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" @@ -135,9 +135,10 @@ hexadecimal. E.g., "0:" means all devices on bus 0, "0" means all functions of on any bus, "0.3" selects third function of device 0 on all buses and ".4" shows only the fourth function of each device. .TP -.B -d [<vendor>]:[<device>] -Show only devices with specified vendor and device ID. Both ID's are given in -hexadecimal and may be omitted or given as "*", both meaning "any value". +.B -d [<vendor>]:[<device>][:<class>] +Show only devices with specified vendor, device and class ID. The ID's are +given in hexadecimal and may be omitted or given as "*", both meaning +"any value". .SS Other options .TP |