From 9b93e2aa59a0444d92ba06a48e7e3fa0395f9182 Mon Sep 17 00:00:00 2001 From: Lucas Stach Date: Sat, 4 Oct 2014 19:40:15 +0200 Subject: commands: lspci: go down into subordinate busses This way we also list devices that are behind bridges. Signed-off-by: Lucas Stach Signed-off-by: Sascha Hauer --- commands/lspci.c | 25 ++++++++++++++++--------- 1 file changed, 16 insertions(+), 9 deletions(-) (limited to 'commands') diff --git a/commands/lspci.c b/commands/lspci.c index fdf02691b5..27edd5d1c2 100644 --- a/commands/lspci.c +++ b/commands/lspci.c @@ -20,10 +20,24 @@ #include #include +static void traverse_bus(struct pci_bus *bus) +{ + struct pci_dev *dev; + + list_for_each_entry(dev, &bus->devices, bus_list) { + printf("%02x:%02x.%1x %04x: %04x:%04x (rev %02x)\n", + dev->bus->number, PCI_SLOT(dev->devfn), + PCI_FUNC(dev->devfn), (dev->class >> 8) & 0xffff, + dev->vendor, dev->device, dev->revision); + + if (dev->subordinate) + traverse_bus(dev->subordinate); + } +} + static int do_lspci(int argc, char *argv[]) { struct pci_bus *root_bus; - struct pci_dev *dev; if (list_empty(&pci_root_buses)) { printf("No PCI bus detected\n"); @@ -31,14 +45,7 @@ static int do_lspci(int argc, char *argv[]) } list_for_each_entry(root_bus, &pci_root_buses, node) { - list_for_each_entry(dev, &root_bus->devices, bus_list) { - printf("%02x: %04x: %04x:%04x (rev %02x)\n", - dev->devfn, - (dev->class >> 8) & 0xffff, - dev->vendor, - dev->device, - dev->revision); - } + traverse_bus(root_bus); } return 0; -- cgit v1.2.3