/ - Diff - qemu - Greek Research and Technology Network's projects

     endif
     # xen backend driver support
     XEN_OBJS := xen_machine_pv.o xen_backend.o
     XEN_OBJS := xen_machine_pv.o xen_backend.o xen_devconfig.o
     XEN_OBJS += xen_console.o xenfb.o xen_disk.o xen_nic.o
     ifeq ($(CONFIG_XEN), yes)
       OBJS += $(XEN_OBJS)

b/hw/xen_backend.c
45	45	/* public */
46	46	int xen_xc;
47	47	struct xs_handle *xenstore = NULL;
	48	const char *xen_protocol;
48	49
49	50	/* private */
50	51	static TAILQ_HEAD(XenDeviceHead, XenDevice) xendevs = TAILQ_HEAD_INITIALIZER(xendevs);

     #include "xen_common.h"
     #include "sysemu.h"
     #include "net.h"
     #include "block_int.h"
     /* ------------------------------------------------------------- */
-...
     /* variables */
     extern int xen_xc;
     extern struct xs_handle *xenstore;
     extern const char *xen_protocol;
     /* xenstore helper functions */
     int xenstore_write_str(const char *base, const char *node, const char *val);
-...
     void xen_init_display(int domid);
     /* configuration (aka xenbus setup) */
     void xen_config_cleanup(void);
     int xen_config_dev_blk(DriveInfo *disk);
     int xen_config_dev_nic(NICInfo *nic);
     #endif /* QEMU_HW_XEN_BACKEND_H */

     #include "xen_backend.h"
     /* ------------------------------------------------------------- */
     struct xs_dirs {
         char *xs_dir;
         TAILQ_ENTRY(xs_dirs) list;
     };
     static TAILQ_HEAD(xs_dirs_head, xs_dirs) xs_cleanup = TAILQ_HEAD_INITIALIZER(xs_cleanup);
     static void xen_config_cleanup_dir(char *dir)
+    {
         struct xs_dirs *d;
         d = qemu_malloc(sizeof(*d));
         d->xs_dir = dir;
         TAILQ_INSERT_TAIL(&xs_cleanup, d, list);
+    }
     void xen_config_cleanup(void)
+    {
         struct xs_dirs *d;
         TAILQ_FOREACH(d, &xs_cleanup, list) {
     	xs_rm(xenstore, 0, d->xs_dir);
+        }
+    }
     /* ------------------------------------------------------------- */
     static int xen_config_dev_mkdir(char *dev, int p)
+    {
         struct xs_permissions perms[2] = {{
                 .id    = 0, /* set owner: dom0 */
             },{
                 .id    = xen_domid,
                 .perms = p,
             }};
         if (!xs_mkdir(xenstore, 0, dev)) {
     	xen_be_printf(NULL, 0, "xs_mkdir %s: failed\n", dev);
     	return -1;
+        }
         xen_config_cleanup_dir(qemu_strdup(dev));
         if (!xs_set_permissions(xenstore, 0, dev, perms, 2)) {
     	xen_be_printf(NULL, 0, "xs_set_permissions %s: failed\n", dev);
     	return -1;
+        }
         return 0;
+    }
     static int xen_config_dev_dirs(const char *ftype, const char *btype, int vdev,
     			       char *fe, char *be, int len)
+    {
         char *dom;
         dom = xs_get_domain_path(xenstore, xen_domid);
         snprintf(fe, len, "%s/device/%s/%d", dom, ftype, vdev);
         free(dom);
         dom = xs_get_domain_path(xenstore, 0);
         snprintf(be, len, "%s/backend/%s/%d/%d", dom, btype, xen_domid, vdev);
         free(dom);
         xen_config_dev_mkdir(fe, XS_PERM_READ | XS_PERM_WRITE);
         xen_config_dev_mkdir(be, XS_PERM_READ);
         return 0;
+    }
     static int xen_config_dev_all(char *fe, char *be)
+    {
         /* frontend */
         if (xen_protocol)
             xenstore_write_str(fe, "protocol", xen_protocol);
         xenstore_write_int(fe, "state",           XenbusStateInitialising);
         xenstore_write_int(fe, "backend-id",      0);
         xenstore_write_str(fe, "backend",         be);
         /* backend */
         xenstore_write_str(be, "domain",          qemu_name ? qemu_name : "no-name");
         xenstore_write_int(be, "online",          1);
         xenstore_write_int(be, "state",           XenbusStateInitialising);
         xenstore_write_int(be, "frontend-id",     xen_domid);
         xenstore_write_str(be, "frontend",        fe);
         return 0;
+    }
     /* ------------------------------------------------------------- */
     int xen_config_dev_blk(DriveInfo *disk)
+    {
         char fe[256], be[256];
         int vdev = 202 * 256 + 16 * disk->unit;
         int cdrom = disk->bdrv->type == BDRV_TYPE_CDROM;
         const char *devtype = cdrom ? "cdrom" : "disk";
         const char *mode    = cdrom ? "r"     : "w";
         snprintf(disk->bdrv->device_name, sizeof(disk->bdrv->device_name),
     	     "xvd%c", 'a' + disk->unit);
         xen_be_printf(NULL, 1, "config disk %d [%s]: %s\n",
                       disk->unit, disk->bdrv->device_name, disk->bdrv->filename);
         xen_config_dev_dirs("vbd", "qdisk", vdev, fe, be, sizeof(fe));
         /* frontend */
         xenstore_write_int(fe, "virtual-device",  vdev);
         xenstore_write_str(fe, "device-type",     devtype);
         /* backend */
         xenstore_write_str(be, "dev",             disk->bdrv->device_name);
         xenstore_write_str(be, "type",            "file");
         xenstore_write_str(be, "params",          disk->bdrv->filename);
         xenstore_write_str(be, "mode",            mode);
         /* common stuff */
         return xen_config_dev_all(fe, be);
+    }
     int xen_config_dev_nic(NICInfo *nic)
+    {
         char fe[256], be[256];
         char mac[20];
         snprintf(mac, sizeof(mac), "%02x:%02x:%02x:%02x:%02x:%02x",
     	     nic->macaddr[0], nic->macaddr[1], nic->macaddr[2],
     	     nic->macaddr[3], nic->macaddr[4], nic->macaddr[5]);
         xen_be_printf(NULL, 1, "config nic %d: mac=\"%s\"\n", nic->vlan->id, mac);
         xen_config_dev_dirs("vif", "qnic", nic->vlan->id, fe, be, sizeof(fe));
         /* frontend */
         xenstore_write_int(fe, "handle",     nic->vlan->id);
         xenstore_write_str(fe, "mac",        mac);
         /* backend */
         xenstore_write_int(be, "handle",     nic->vlan->id);
         xenstore_write_str(be, "mac",        mac);
         /* common stuff */
         return xen_config_dev_all(fe, be);
+    }

     			const char *cpu_model)
+    {
         CPUState *env;
         int i, index;
         /* Initialize a dummy CPU */
         if (cpu_model == NULL) {
-...
         xen_be_register("qdisk", &xen_blkdev_ops);
         xen_be_register("qnic", &xen_netdev_ops);
         /* configure disks */
         for (i = 0; i < 16; i++) {
             index = drive_get_index(IF_XEN, 0, i);
             if (index == -1)
                 continue;
             xen_config_dev_blk(drives_table + index);
+        }
         /* configure nics */
         for (i = 0; i < nb_nics; i++) {
             if (!nd_table[i].model || 0 != strcmp(nd_table[i].model, "xen"))
                 continue;
             xen_config_dev_nic(nd_table + i);
+        }
         /* config cleanup hook */
         atexit(xen_config_cleanup);
         /* setup framebuffer */
         xen_init_display(xen_domid);
+    }

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Revision 2c8b24a3