diff options
Diffstat (limited to 'hw/xen/xen-common.c')
| -rw-r--r-- | hw/xen/xen-common.c | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/hw/xen/xen-common.c b/hw/xen/xen-common.c deleted file mode 100644 index 6ec14c73ca..0000000000 --- a/hw/xen/xen-common.c +++ /dev/null @@ -1,204 +0,0 @@ -/* - * Copyright (C) 2014 Citrix Systems UK Ltd. - * - * This work is licensed under the terms of the GNU GPL, version 2. See - * the COPYING file in the top-level directory. - * - * Contributions after 2012-01-13 are licensed under the terms of the - * GNU GPL, version 2 or (at your option) any later version. - */ - -#include "qemu/osdep.h" -#include "qemu/error-report.h" -#include "hw/xen/xen_backend.h" -#include "chardev/char.h" -#include "sysemu/accel.h" -#include "migration/misc.h" -#include "migration/global_state.h" - -//#define DEBUG_XEN - -#ifdef DEBUG_XEN -#define DPRINTF(fmt, ...) \ - do { fprintf(stderr, "xen: " fmt, ## __VA_ARGS__); } while (0) -#else -#define DPRINTF(fmt, ...) \ - do { } while (0) -#endif - -xc_interface *xen_xc; -xenforeignmemory_handle *xen_fmem; -xendevicemodel_handle *xen_dmod; - -static int store_dev_info(int domid, Chardev *cs, const char *string) -{ - struct xs_handle *xs = NULL; - char *path = NULL; - char *newpath = NULL; - char *pts = NULL; - int ret = -1; - - /* Only continue if we're talking to a pty. */ - if (!CHARDEV_IS_PTY(cs)) { - return 0; - } - pts = cs->filename + 4; - - /* We now have everything we need to set the xenstore entry. */ - xs = xs_open(0); - if (xs == NULL) { - fprintf(stderr, "Could not contact XenStore\n"); - goto out; - } - - path = xs_get_domain_path(xs, domid); - if (path == NULL) { - fprintf(stderr, "xs_get_domain_path() error\n"); - goto out; - } - newpath = realloc(path, (strlen(path) + strlen(string) + - strlen("/tty") + 1)); - if (newpath == NULL) { - fprintf(stderr, "realloc error\n"); - goto out; - } - path = newpath; - - strcat(path, string); - strcat(path, "/tty"); - if (!xs_write(xs, XBT_NULL, path, pts, strlen(pts))) { - fprintf(stderr, "xs_write for '%s' fail", string); - goto out; - } - ret = 0; - -out: - free(path); - xs_close(xs); - - return ret; -} - -void xenstore_store_pv_console_info(int i, Chardev *chr) -{ - if (i == 0) { - store_dev_info(xen_domid, chr, "/console"); - } else { - char buf[32]; - snprintf(buf, sizeof(buf), "/device/console/%d", i); - store_dev_info(xen_domid, chr, buf); - } -} - - -static void xenstore_record_dm_state(struct xs_handle *xs, const char *state) -{ - char path[50]; - - if (xs == NULL) { - error_report("xenstore connection not initialized"); - exit(1); - } - - snprintf(path, sizeof (path), "device-model/%u/state", xen_domid); - /* - * This call may fail when running restricted so don't make it fatal in - * that case. Toolstacks should instead use QMP to listen for state changes. - */ - if (!xs_write(xs, XBT_NULL, path, state, strlen(state)) && - !xen_domid_restrict) { - error_report("error recording dm state"); - exit(1); - } -} - - -static void xen_change_state_handler(void *opaque, int running, - RunState state) -{ - if (running) { - /* record state running */ - xenstore_record_dm_state(xenstore, "running"); - } -} - -static void xen_setup_post(MachineState *ms, AccelState *accel) -{ - int rc; - - if (xen_domid_restrict) { - rc = xen_restrict(xen_domid); - if (rc < 0) { - perror("xen: failed to restrict"); - exit(1); - } - } -} - -static int xen_init(MachineState *ms) -{ - xen_xc = xc_interface_open(0, 0, 0); - if (xen_xc == NULL) { - xen_pv_printf(NULL, 0, "can't open xen interface\n"); - return -1; - } - xen_fmem = xenforeignmemory_open(0, 0); - if (xen_fmem == NULL) { - xen_pv_printf(NULL, 0, "can't open xen fmem interface\n"); - xc_interface_close(xen_xc); - return -1; - } - xen_dmod = xendevicemodel_open(0, 0); - if (xen_dmod == NULL) { - xen_pv_printf(NULL, 0, "can't open xen devicemodel interface\n"); - xenforeignmemory_close(xen_fmem); - xc_interface_close(xen_xc); - return -1; - } - qemu_add_vm_change_state_handler(xen_change_state_handler, NULL); - return 0; -} - -static GlobalProperty xen_compat_props[] = { - { - .driver = "migration", - .property = "store-global-state", - .value = "off", - }, - { - .driver = "migration", - .property = "send-configuration", - .value = "off", - }, - { - .driver = "migration", - .property = "send-section-footer", - .value = "off", - }, - { /* end of list */ }, -}; - -static void xen_accel_class_init(ObjectClass *oc, void *data) -{ - AccelClass *ac = ACCEL_CLASS(oc); - ac->name = "Xen"; - ac->init_machine = xen_init; - ac->setup_post = xen_setup_post; - ac->allowed = &xen_allowed; - ac->global_props = xen_compat_props; -} - -#define TYPE_XEN_ACCEL ACCEL_CLASS_NAME("xen") - -static const TypeInfo xen_accel_type = { - .name = TYPE_XEN_ACCEL, - .parent = TYPE_ACCEL, - .class_init = xen_accel_class_init, -}; - -static void xen_type_init(void) -{ - type_register_static(&xen_accel_type); -} - -type_init(xen_type_init); |