diff options
Diffstat (limited to 'pci.c')
| -rw-r--r-- | pci.c | 33 |
1 files changed, 33 insertions, 0 deletions
@@ -49,6 +49,37 @@ char* get_pci_description(int vendor_id, int device_id) { return buf; } +// fake two PCI controllers for xen +static detect_xen(struct pciusb_entries *r) { + struct stat sb; + if (stat("/sys/bus/xen", &sb) != 0) + return; + + struct pciusb_entry *e = &r->entries[r->nb++]; + pciusb_initialize(e); + asprintf(&e->text, "%s|%s", "XenSource, Inc.", "Block Frontend"); + e->class_id = 0x0106; // STORAGE_SATA + + e->vendor = 0x1a71; // XenSource + e->device = 0xfffa; // fake + e->subvendor = 0; + e->subdevice = 0; + e->class_id = 0x0106; + e->module = strdup("xen_blkfront"); + + e = &r->entries[r->nb++]; + pciusb_initialize(e); + asprintf(&e->text, "%s|%s", "XenSource, Inc.", "Network Frontend"); + e->class_id = 0x0200; // NETWORK_ETHERNET + + e->vendor = 0x1a71; // XenSource + e->device = 0xfffa; // fake + e->subvendor = 0; + e->subdevice = 0; + e->class_id = 0x0200; + e->module = strdup("xen_netfront"); +} + extern struct pciusb_entries pci_probe(void) { u8 buf[CONFIG_SPACE_SIZE]; struct pciusb_entries r; @@ -77,6 +108,8 @@ extern struct pciusb_entries pci_probe(void) { r.nb = 0; r.entries = malloc(sizeof(struct pciusb_entry) * MAX_DEVICES); + detect_xen(&r); + for (dev = pacc->devices; dev; dev = dev->next, r.nb++) { if (r.nb >= allocated) { allocated = r.nb*2; |