1 #include "qemu/osdep.h" 2 #include "hw/xen/xen-legacy-backend.h" 3 #include "qemu/option.h" 4 #include "sysemu/blockdev.h" 5 #include "sysemu/sysemu.h" 6 7 /* ------------------------------------------------------------- */ 8 9 static int xen_config_dev_dirs(const char *ftype, const char *btype, int vdev, 10 char *fe, char *be, int len) 11 { 12 char *dom; 13 14 dom = qemu_xen_xs_get_domain_path(xenstore, xen_domid); 15 snprintf(fe, len, "%s/device/%s/%d", dom, ftype, vdev); 16 free(dom); 17 18 dom = qemu_xen_xs_get_domain_path(xenstore, 0); 19 snprintf(be, len, "%s/backend/%s/%d/%d", dom, btype, xen_domid, vdev); 20 free(dom); 21 22 xenstore_mkdir(fe, XS_PERM_READ | XS_PERM_WRITE); 23 xenstore_mkdir(be, XS_PERM_READ); 24 return 0; 25 } 26 27 static int xen_config_dev_all(char *fe, char *be) 28 { 29 /* frontend */ 30 if (xen_protocol) 31 xenstore_write_str(fe, "protocol", xen_protocol); 32 33 xenstore_write_int(fe, "state", XenbusStateInitialising); 34 xenstore_write_int(fe, "backend-id", 0); 35 xenstore_write_str(fe, "backend", be); 36 37 /* backend */ 38 xenstore_write_str(be, "domain", qemu_name ? qemu_name : "no-name"); 39 xenstore_write_int(be, "online", 1); 40 xenstore_write_int(be, "state", XenbusStateInitialising); 41 xenstore_write_int(be, "frontend-id", xen_domid); 42 xenstore_write_str(be, "frontend", fe); 43 44 return 0; 45 } 46 47 /* ------------------------------------------------------------- */ 48 49 int xen_config_dev_nic(NICInfo *nic) 50 { 51 char fe[256], be[256]; 52 char mac[20]; 53 int vlan_id = -1; 54 55 net_hub_id_for_client(nic->netdev, &vlan_id); 56 snprintf(mac, sizeof(mac), "%02x:%02x:%02x:%02x:%02x:%02x", 57 nic->macaddr.a[0], nic->macaddr.a[1], nic->macaddr.a[2], 58 nic->macaddr.a[3], nic->macaddr.a[4], nic->macaddr.a[5]); 59 xen_pv_printf(NULL, 1, "config nic %d: mac=\"%s\"\n", vlan_id, mac); 60 xen_config_dev_dirs("vif", "qnic", vlan_id, fe, be, sizeof(fe)); 61 62 /* frontend */ 63 xenstore_write_int(fe, "handle", vlan_id); 64 xenstore_write_str(fe, "mac", mac); 65 66 /* backend */ 67 xenstore_write_int(be, "handle", vlan_id); 68 xenstore_write_str(be, "mac", mac); 69 70 /* common stuff */ 71 return xen_config_dev_all(fe, be); 72 } 73 74 int xen_config_dev_vfb(int vdev, const char *type) 75 { 76 char fe[256], be[256]; 77 78 xen_config_dev_dirs("vfb", "vfb", vdev, fe, be, sizeof(fe)); 79 80 /* backend */ 81 xenstore_write_str(be, "type", type); 82 83 /* common stuff */ 84 return xen_config_dev_all(fe, be); 85 } 86 87 int xen_config_dev_vkbd(int vdev) 88 { 89 char fe[256], be[256]; 90 91 xen_config_dev_dirs("vkbd", "vkbd", vdev, fe, be, sizeof(fe)); 92 return xen_config_dev_all(fe, be); 93 } 94 95 int xen_config_dev_console(int vdev) 96 { 97 char fe[256], be[256]; 98 99 xen_config_dev_dirs("console", "console", vdev, fe, be, sizeof(fe)); 100 return xen_config_dev_all(fe, be); 101 } 102