X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/83a025567a37236fd819b30d12e32828d8fd2dc4..92bb2596b1eda2324da82825b882df5dce9dfbbb:/pci/pci.c diff --git a/pci/pci.c b/pci/pci.c index e5ab816..fbea894 100644 --- a/pci/pci.c +++ b/pci/pci.c @@ -1,7 +1,7 @@ #include #include -int pci_probe(pci_probe_fn_t probe) +int pci_probe(pci_probe_fn_t probe, void *data) { int devsfound = 0; pci_dev_t pdev; @@ -11,62 +11,65 @@ int pci_probe(pci_probe_fn_t probe) for (bus = 0; bus < 0x100; bus++) for (dev = 0; dev < 0x20; dev++) - if (pci_read32(bus, dev, 0, 0) != 0xFFFFFFFF) - for (fn = 0; fn < 8; fn++) + { + if (pci_read32(bus, dev, 0, 0) == 0xFFFFFFFF) + continue; + for (fn = 0; fn < 8; fn++) + { + int bar; + + if (pci_read32(bus, dev, fn, 0) == 0xFFFFFFFF) + continue; + + if ((fn != 0) && !(pci_read8(bus, dev, 0, 0x0E) & 0x80)) + continue; + + pdev.bus = bus; + pdev.dev = dev; + pdev.fn = fn; + pdev.vid = pci_read16(bus, dev, fn, 0); + pdev.did = pci_read16(bus, dev, fn, 2); + + for (bar = 0; bar < 6; bar++) { - int bar; - - if (pci_read32(bus, dev, fn, 0) == 0xFFFFFFFF) - continue; - - if ((fn != 0) && !(pci_read8(bus, dev, 0, 0x0E) & 0x80)) + unsigned long bardat = pci_read32(bus, dev, fn, 0x10 + bar*4); + if (bardat == 0) + { + pdev.bars[bar].type = PCI_BAR_NONE; continue; - - pdev.bus = bus; - pdev.dev = dev; - pdev.fn = fn; - pdev.vid = pci_read16(bus, dev, fn, 0); - pdev.did = pci_read16(bus, dev, fn, 2); - - for (bar = 0; bar < 6; bar++) + } + if (bardat & 1) { - unsigned long bardat = pci_read32(bus, dev, fn, 0x10 + bar*4); - if (bardat == 0) + pdev.bars[bar].type = PCI_BAR_IO; + pdev.bars[bar].addr = bardat & ~0x3; + } else { + pdev.bars[bar].prefetchable = (bardat >> 3) & 1; + switch ((bardat >> 1) & 0x3) { + case 0: + pdev.bars[bar].type = PCI_BAR_MEMORY32; + pdev.bars[bar].addr = bardat & ~0xF; + break; + case 2: + pdev.bars[bar].type = PCI_BAR_MEMORY64; + bar++; + pdev.bars[bar].type = PCI_BAR_NONE; + break; + default: pdev.bars[bar].type = PCI_BAR_NONE; continue; } - if (bardat & 1) - { - pdev.bars[bar].type = PCI_BAR_IO; - pdev.bars[bar].addr = bardat & ~0x3; - } else { - pdev.bars[bar].prefetchable = (bardat >> 3) & 1; - switch ((bardat >> 1) & 0x3) - { - case 0: - pdev.bars[bar].type = PCI_BAR_MEMORY32; - pdev.bars[bar].addr = bardat & ~0xF; - break; - case 2: - pdev.bars[bar].type = PCI_BAR_MEMORY64; - bar++; - pdev.bars[bar].type = PCI_BAR_NONE; - break; - default: - pdev.bars[bar].type = PCI_BAR_NONE; - continue; - } - } } - - devsfound += probe(&pdev); } + + devsfound += probe(&pdev, data); + } + } return devsfound; } -static int _enumfn(pci_dev_t *pdev) +static int _enumfn(pci_dev_t *pdev, void *data) { int bar; @@ -95,6 +98,24 @@ static int _enumfn(pci_dev_t *pdev) void pci_bus_enum() { - pci_probe(_enumfn); + pci_probe(_enumfn, 0x0); } +static int _probefn(pci_dev_t *dev, void *d) +{ + pci_driver_t *driver = d; + int i; + + for (i = 0; i < driver->id_count; i++) + if ((dev->vid == driver->ids[i].vid) && (dev->did == driver->ids[i].did)) + { + outputf("Probing PCI device: %s", driver->ids[i].name ? driver->ids[i].name : driver->name); + return driver->probe(dev, d); + } + return 0; +} + +int pci_probe_driver(pci_driver_t driver) +{ + return pci_probe(_probefn, &driver); +}