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libxl: split libxl vtpm code into one source

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Put all vtpm related stuff of libxl into a dedicated source file.

Signed-off-by: Juergen Gross <jgross@suse.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
This commit is contained in:
Juergen Gross authored and Wei Liu committed 2016-07-27 12:30:06 +01:00
1 parent 803d4d3322
commit 20609ad8ee
5 files changed
+367 -346
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tools/libxl/Makefile
+1
View File
@@ -115,6 +115,7 @@ LIBXL_OBJS = flexarray.o libxl.o libxl_create.o libxl_dm.o libxl_pci.o \
libxl_save_callout.o _libxl_save_msgs_callout.o \
libxl_qmp.o libxl_event.o libxl_fork.o \
libxl_dom_suspend.o libxl_dom_save.o libxl_pvusb.o \
libxl_vtpm.o \
$(LIBXL_OBJS-y)
LIBXL_OBJS += libxl_genid.o
LIBXL_OBJS += _libxl_types.o libxl_flask.o _libxl_types_internal.o
tools/libxl/libxl.c
-302
View File
@@ -2030,292 +2030,6 @@ int libxl__resolve_domid(libxl__gc *gc, const char *name, uint32_t *domid)
return libxl_domain_qualifier_to_domid(CTX, name, domid);
}
/******************************************************************************/
int libxl__device_vtpm_setdefault(libxl__gc *gc, libxl_device_vtpm *vtpm)
{
int rc;
if (libxl_uuid_is_nil(&vtpm->uuid)) {
libxl_uuid_generate(&vtpm->uuid);
}
rc = libxl__resolve_domid(gc, vtpm->backend_domname, &vtpm->backend_domid);
return rc;
}
static int libxl__device_from_vtpm(libxl__gc *gc, uint32_t domid,
libxl_device_vtpm *vtpm,
libxl__device *device)
{
device->backend_devid = vtpm->devid;
device->backend_domid = vtpm->backend_domid;
device->backend_kind = LIBXL__DEVICE_KIND_VTPM;
device->devid = vtpm->devid;
device->domid = domid;
device->kind = LIBXL__DEVICE_KIND_VTPM;
return 0;
}
static void libxl__device_vtpm_add(libxl__egc *egc, uint32_t domid,
libxl_device_vtpm *vtpm,
libxl__ao_device *aodev)
{
STATE_AO_GC(aodev->ao);
flexarray_t *front;
flexarray_t *back;
libxl__device *device;
int rc;
xs_transaction_t t = XBT_NULL;
libxl_domain_config d_config;
libxl_device_vtpm vtpm_saved;
libxl__domain_userdata_lock *lock = NULL;
libxl_domain_config_init(&d_config);
libxl_device_vtpm_init(&vtpm_saved);
libxl_device_vtpm_copy(CTX, &vtpm_saved, vtpm);
rc = libxl__device_vtpm_setdefault(gc, vtpm);
if (rc) goto out;
front = flexarray_make(gc, 16, 1);
back = flexarray_make(gc, 16, 1);
if (vtpm->devid == -1) {
if ((vtpm->devid = libxl__device_nextid(gc, domid, "vtpm")) < 0) {
rc = ERROR_FAIL;
goto out;
}
}
libxl__update_config_vtpm(gc, &vtpm_saved, vtpm);
GCNEW(device);
rc = libxl__device_from_vtpm(gc, domid, vtpm, device);
if ( rc != 0 ) goto out;
flexarray_append(back, "frontend-id");
flexarray_append(back, GCSPRINTF("%d", domid));
flexarray_append(back, "online");
flexarray_append(back, "1");
flexarray_append(back, "state");
flexarray_append(back, GCSPRINTF("%d", XenbusStateInitialising));
flexarray_append(back, "handle");
flexarray_append(back, GCSPRINTF("%d", vtpm->devid));
flexarray_append(back, "uuid");
flexarray_append(back, GCSPRINTF(LIBXL_UUID_FMT, LIBXL_UUID_BYTES(vtpm->uuid)));
flexarray_append(back, "resume");
flexarray_append(back, "False");
flexarray_append(front, "backend-id");
flexarray_append(front, GCSPRINTF("%d", vtpm->backend_domid));
flexarray_append(front, "state");
flexarray_append(front, GCSPRINTF("%d", XenbusStateInitialising));
flexarray_append(front, "handle");
flexarray_append(front, GCSPRINTF("%d", vtpm->devid));
if (aodev->update_json) {
lock = libxl__lock_domain_userdata(gc, domid);
if (!lock) {
rc = ERROR_LOCK_FAIL;
goto out;
}
rc = libxl__get_domain_configuration(gc, domid, &d_config);
if (rc) goto out;
DEVICE_ADD(vtpm, vtpms, domid, &vtpm_saved, COMPARE_DEVID, &d_config);
rc = libxl__dm_check_start(gc, &d_config, domid);
if (rc) goto out;
}
for (;;) {
rc = libxl__xs_transaction_start(gc, &t);
if (rc) goto out;
rc = libxl__device_exists(gc, t, device);
if (rc < 0) goto out;
if (rc == 1) { /* already exists in xenstore */
LOG(ERROR, "device already exists in xenstore");
aodev->action = LIBXL__DEVICE_ACTION_ADD; /* for error message */
rc = ERROR_DEVICE_EXISTS;
goto out;
}
if (aodev->update_json) {
rc = libxl__set_domain_configuration(gc, domid, &d_config);
if (rc) goto out;
}
libxl__device_generic_add(gc, t, device,
libxl__xs_kvs_of_flexarray(gc, back,
back->count),
libxl__xs_kvs_of_flexarray(gc, front,
front->count),
NULL);
rc = libxl__xs_transaction_commit(gc, &t);
if (!rc) break;
if (rc < 0) goto out;
}
aodev->dev = device;
aodev->action = LIBXL__DEVICE_ACTION_ADD;
libxl__wait_device_connection(egc, aodev);
rc = 0;
out:
libxl__xs_transaction_abort(gc, &t);
if (lock) libxl__unlock_domain_userdata(lock);
libxl_device_vtpm_dispose(&vtpm_saved);
libxl_domain_config_dispose(&d_config);
aodev->rc = rc;
if(rc) aodev->callback(egc, aodev);
return;
}
libxl_device_vtpm *libxl_device_vtpm_list(libxl_ctx *ctx, uint32_t domid, int *num)
{
GC_INIT(ctx);
libxl_device_vtpm* vtpms = NULL;
char *libxl_path;
char** dir = NULL;
unsigned int ndirs = 0;
int rc;
*num = 0;
libxl_path = GCSPRINTF("%s/device/vtpm", libxl__xs_libxl_path(gc, domid));
dir = libxl__xs_directory(gc, XBT_NULL, libxl_path, &ndirs);
if (dir && ndirs) {
vtpms = malloc(sizeof(*vtpms) * ndirs);
libxl_device_vtpm* vtpm;
libxl_device_vtpm* end = vtpms + ndirs;
for(vtpm = vtpms; vtpm < end; ++vtpm, ++dir) {
char* tmp;
const char* be_path = libxl__xs_read(gc, XBT_NULL,
GCSPRINTF("%s/%s/backend",
libxl_path, *dir));
libxl_device_vtpm_init(vtpm);
vtpm->devid = atoi(*dir);
rc = libxl__backendpath_parse_domid(gc, be_path,
&vtpm->backend_domid);
if (rc) return NULL;
tmp = libxl__xs_read(gc, XBT_NULL, GCSPRINTF("%s/uuid", libxl_path));
if (tmp) {
if(libxl_uuid_from_string(&(vtpm->uuid), tmp)) {
LOG(ERROR, "%s/uuid is a malformed uuid?? (%s) Probably a bug!!\n", be_path, tmp);
free(vtpms);
return NULL;
}
}
}
}
*num = ndirs;
GC_FREE;
return vtpms;
}
int libxl_device_vtpm_getinfo(libxl_ctx *ctx,
uint32_t domid,
libxl_device_vtpm *vtpm,
libxl_vtpminfo *vtpminfo)
{
GC_INIT(ctx);
char *libxl_path, *dompath, *vtpmpath;
char *val;
int rc = 0;
libxl_vtpminfo_init(vtpminfo);
dompath = libxl__xs_get_dompath(gc, domid);
vtpminfo->devid = vtpm->devid;
vtpmpath = GCSPRINTF("%s/device/vtpm/%d", dompath, vtpminfo->devid);
libxl_path = GCSPRINTF("%s/device/vtpm/%d",
libxl__xs_libxl_path(gc, domid), vtpminfo->devid);
vtpminfo->backend = xs_read(ctx->xsh, XBT_NULL,
GCSPRINTF("%s/backend", libxl_path), NULL);
if (!vtpminfo->backend) {
goto err;
}
rc = libxl__backendpath_parse_domid(gc, vtpminfo->backend,
&vtpminfo->backend_id);
if (rc) goto exit;
val = libxl__xs_read(gc, XBT_NULL,
GCSPRINTF("%s/state", vtpmpath));
vtpminfo->state = val ? strtoul(val, NULL, 10) : -1;
val = libxl__xs_read(gc, XBT_NULL,
GCSPRINTF("%s/event-channel", vtpmpath));
vtpminfo->evtch = val ? strtoul(val, NULL, 10) : -1;
val = libxl__xs_read(gc, XBT_NULL,
GCSPRINTF("%s/ring-ref", vtpmpath));
vtpminfo->rref = val ? strtoul(val, NULL, 10) : -1;
vtpminfo->frontend = xs_read(ctx->xsh, XBT_NULL,
GCSPRINTF("%s/frontend", libxl_path), NULL);
vtpminfo->frontend_id = domid;
val = libxl__xs_read(gc, XBT_NULL,
GCSPRINTF("%s/uuid", libxl_path));
if(val == NULL) {
LOG(ERROR, "%s/uuid does not exist!", vtpminfo->backend);
goto err;
}
if(libxl_uuid_from_string(&(vtpminfo->uuid), val)) {
LOG(ERROR,
"%s/uuid is a malformed uuid?? (%s) Probably a bug!\n",
vtpminfo->backend, val);
goto err;
}
goto exit;
err:
rc = ERROR_FAIL;
exit:
GC_FREE;
return rc;
}
int libxl_devid_to_device_vtpm(libxl_ctx *ctx,
uint32_t domid,
int devid,
libxl_device_vtpm *vtpm)
{
libxl_device_vtpm *vtpms;
int nb, i;
int rc;
vtpms = libxl_device_vtpm_list(ctx, domid, &nb);
if (!vtpms)
return ERROR_FAIL;
libxl_device_vtpm_init(vtpm);
rc = 1;
for (i = 0; i < nb; ++i) {
if(devid == vtpms[i].devid) {
vtpm->backend_domid = vtpms[i].backend_domid;
vtpm->devid = vtpms[i].devid;
libxl_uuid_copy(ctx, &vtpm->uuid, &vtpms[i].uuid);
rc = 0;
break;
}
}
libxl_device_vtpm_list_free(vtpms, nb);
return rc;
}
/******************************************************************************/
int libxl__device_disk_setdefault(libxl__gc *gc, libxl_device_disk *disk,
@@ -4309,10 +4023,6 @@ out:
* libxl__add_nics
* libxl_device_nic_remove
* libxl_device_nic_destroy
* libxl_device_vtpm_add
* libxl__add_vtpms
* libxl_device_vtpm_remove
* libxl_device_vtpm_destroy
* libxl_device_vkb_remove
* libxl_device_vkb_destroy
* libxl_device_vfb_remove
@@ -4333,11 +4043,6 @@ LIBXL_DEFINE_DEVICE_ADD(nic)
LIBXL_DEFINE_DEVICES_ADD(nic)
LIBXL_DEFINE_DEVICE_REMOVE(nic)
/* vtpm */
LIBXL_DEFINE_DEVICE_ADD(vtpm)
static LIBXL_DEFINE_DEVICES_ADD(vtpm)
LIBXL_DEFINE_DEVICE_REMOVE(vtpm)
/* vkb */
LIBXL_DEFINE_DEVICE_REMOVE(vkb)
@@ -7525,19 +7230,12 @@ static int libxl_device_nic_compare(libxl_device_nic *d1,
return COMPARE_DEVID(d1, d2);
}
static int libxl_device_vtpm_compare(libxl_device_vtpm *d1,
libxl_device_vtpm *d2)
{
return COMPARE_DEVID(d1, d2);
}
DEFINE_DEVICE_TYPE_STRUCT(disk,
.merge = libxl_device_disk_merge,
.dm_needed = libxl_device_disk_dm_needed,
.skip_attach = 1
);
DEFINE_DEVICE_TYPE_STRUCT(nic);
DEFINE_DEVICE_TYPE_STRUCT(vtpm);
/*
* Local variables:
tools/libxl/libxl_internal.h
-1
View File
@@ -1221,7 +1221,6 @@ _hidden int libxl__device_disk_setdefault(libxl__gc *gc,
uint32_t domid);
_hidden int libxl__device_nic_setdefault(libxl__gc *gc, libxl_device_nic *nic,
uint32_t domid, bool hotplug);
_hidden int libxl__device_vtpm_setdefault(libxl__gc *gc, libxl_device_vtpm *vtpm);
_hidden int libxl__device_vfb_setdefault(libxl__gc *gc, libxl_device_vfb *vfb);
_hidden int libxl__device_vkb_setdefault(libxl__gc *gc, libxl_device_vkb *vkb);
_hidden int libxl__device_pci_setdefault(libxl__gc *gc, libxl_device_pci *pci);
tools/libxl/libxl_utils.c
-43
View File
@@ -598,33 +598,6 @@ int libxl_pipe(libxl_ctx *ctx, int pipes[2])
return ret;
}
int libxl_uuid_to_device_vtpm(libxl_ctx *ctx, uint32_t domid,
libxl_uuid* uuid, libxl_device_vtpm *vtpm)
{
libxl_device_vtpm *vtpms;
int nb, i;
int rc;
vtpms = libxl_device_vtpm_list(ctx, domid, &nb);
if (!vtpms)
return ERROR_FAIL;
memset(vtpm, 0, sizeof (libxl_device_vtpm));
rc = 1;
for (i = 0; i < nb; ++i) {
if(!libxl_uuid_compare(uuid, &vtpms[i].uuid)) {
vtpm->backend_domid = vtpms[i].backend_domid;
vtpm->devid = vtpms[i].devid;
libxl_uuid_copy(ctx, &vtpm->uuid, &vtpms[i].uuid);
rc = 0;
break;
}
}
libxl_device_vtpm_list_free(vtpms, nb);
return rc;
}
int libxl_mac_to_device_nic(libxl_ctx *ctx, uint32_t domid,
const char *mac, libxl_device_nic *nic)
{
@@ -1248,22 +1221,6 @@ void libxl_cpupoolinfo_list_free(libxl_cpupoolinfo *list, int nr)
free(list);
}
void libxl_vtpminfo_list_free(libxl_vtpminfo* list, int nr)
{
int i;
for (i = 0; i < nr; i++)
libxl_vtpminfo_dispose(&list[i]);
free(list);
}
void libxl_device_vtpm_list_free(libxl_device_vtpm* list, int nr)
{
int i;
for (i = 0; i < nr; i++)
libxl_device_vtpm_dispose(&list[i]);
free(list);
}
int libxl_domid_valid_guest(uint32_t domid)
{
/* returns 1 if the value _could_ be a valid guest domid, 0 otherwise
tools/libxl/libxl_vtpm.c
+366
View File
@@ -0,0 +1,366 @@
/*
* Copyright (C) 2016 SUSE Linux GmbH
* Author Juergen Gross <jgross@suse.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; version 2.1 only. with the special
* exception on linking described in file LICENSE.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*/
#include "libxl_osdeps.h"
#include "libxl_internal.h"
static int libxl__device_vtpm_setdefault(libxl__gc *gc, libxl_device_vtpm *vtpm)
{
int rc;
if (libxl_uuid_is_nil(&vtpm->uuid)) {
libxl_uuid_generate(&vtpm->uuid);
}
rc = libxl__resolve_domid(gc, vtpm->backend_domname, &vtpm->backend_domid);
return rc;
}
static int libxl__device_from_vtpm(libxl__gc *gc, uint32_t domid,
libxl_device_vtpm *vtpm,
libxl__device *device)
{
device->backend_devid = vtpm->devid;
device->backend_domid = vtpm->backend_domid;
device->backend_kind = LIBXL__DEVICE_KIND_VTPM;
device->devid = vtpm->devid;
device->domid = domid;
device->kind = LIBXL__DEVICE_KIND_VTPM;
return 0;
}
static void libxl__device_vtpm_add(libxl__egc *egc, uint32_t domid,
libxl_device_vtpm *vtpm,
libxl__ao_device *aodev)
{
STATE_AO_GC(aodev->ao);
flexarray_t *front;
flexarray_t *back;
libxl__device *device;
int rc;
xs_transaction_t t = XBT_NULL;
libxl_domain_config d_config;
libxl_device_vtpm vtpm_saved;
libxl__domain_userdata_lock *lock = NULL;
libxl_domain_config_init(&d_config);
libxl_device_vtpm_init(&vtpm_saved);
libxl_device_vtpm_copy(CTX, &vtpm_saved, vtpm);
rc = libxl__device_vtpm_setdefault(gc, vtpm);
if (rc) goto out;
front = flexarray_make(gc, 16, 1);
back = flexarray_make(gc, 16, 1);
if (vtpm->devid == -1) {
if ((vtpm->devid = libxl__device_nextid(gc, domid, "vtpm")) < 0) {
rc = ERROR_FAIL;
goto out;
}
}
libxl__update_config_vtpm(gc, &vtpm_saved, vtpm);
GCNEW(device);
rc = libxl__device_from_vtpm(gc, domid, vtpm, device);
if ( rc != 0 ) goto out;
flexarray_append(back, "frontend-id");
flexarray_append(back, GCSPRINTF("%d", domid));
flexarray_append(back, "online");
flexarray_append(back, "1");
flexarray_append(back, "state");
flexarray_append(back, GCSPRINTF("%d", XenbusStateInitialising));
flexarray_append(back, "handle");
flexarray_append(back, GCSPRINTF("%d", vtpm->devid));
flexarray_append(back, "uuid");
flexarray_append(back, GCSPRINTF(LIBXL_UUID_FMT, LIBXL_UUID_BYTES(vtpm->uuid)));
flexarray_append(back, "resume");
flexarray_append(back, "False");
flexarray_append(front, "backend-id");
flexarray_append(front, GCSPRINTF("%d", vtpm->backend_domid));
flexarray_append(front, "state");
flexarray_append(front, GCSPRINTF("%d", XenbusStateInitialising));
flexarray_append(front, "handle");
flexarray_append(front, GCSPRINTF("%d", vtpm->devid));
if (aodev->update_json) {
lock = libxl__lock_domain_userdata(gc, domid);
if (!lock) {
rc = ERROR_LOCK_FAIL;
goto out;
}
rc = libxl__get_domain_configuration(gc, domid, &d_config);
if (rc) goto out;
DEVICE_ADD(vtpm, vtpms, domid, &vtpm_saved, COMPARE_DEVID, &d_config);
rc = libxl__dm_check_start(gc, &d_config, domid);
if (rc) goto out;
}
for (;;) {
rc = libxl__xs_transaction_start(gc, &t);
if (rc) goto out;
rc = libxl__device_exists(gc, t, device);
if (rc < 0) goto out;
if (rc == 1) { /* already exists in xenstore */
LOG(ERROR, "device already exists in xenstore");
aodev->action = LIBXL__DEVICE_ACTION_ADD; /* for error message */
rc = ERROR_DEVICE_EXISTS;
goto out;
}
if (aodev->update_json) {
rc = libxl__set_domain_configuration(gc, domid, &d_config);
if (rc) goto out;
}
libxl__device_generic_add(gc, t, device,
libxl__xs_kvs_of_flexarray(gc, back,
back->count),
libxl__xs_kvs_of_flexarray(gc, front,
front->count),
NULL);
rc = libxl__xs_transaction_commit(gc, &t);
if (!rc) break;
if (rc < 0) goto out;
}
aodev->dev = device;
aodev->action = LIBXL__DEVICE_ACTION_ADD;
libxl__wait_device_connection(egc, aodev);
rc = 0;
out:
libxl__xs_transaction_abort(gc, &t);
if (lock) libxl__unlock_domain_userdata(lock);
libxl_device_vtpm_dispose(&vtpm_saved);
libxl_domain_config_dispose(&d_config);
aodev->rc = rc;
if(rc) aodev->callback(egc, aodev);
return;
}
libxl_device_vtpm *libxl_device_vtpm_list(libxl_ctx *ctx, uint32_t domid, int *num)
{
GC_INIT(ctx);
libxl_device_vtpm* vtpms = NULL;
char *libxl_path;
char** dir = NULL;
unsigned int ndirs = 0;
int rc;
*num = 0;
libxl_path = GCSPRINTF("%s/device/vtpm", libxl__xs_libxl_path(gc, domid));
dir = libxl__xs_directory(gc, XBT_NULL, libxl_path, &ndirs);
if (dir && ndirs) {
vtpms = malloc(sizeof(*vtpms) * ndirs);
libxl_device_vtpm* vtpm;
libxl_device_vtpm* end = vtpms + ndirs;
for(vtpm = vtpms; vtpm < end; ++vtpm, ++dir) {
char* tmp;
const char* be_path = libxl__xs_read(gc, XBT_NULL,
GCSPRINTF("%s/%s/backend",
libxl_path, *dir));
libxl_device_vtpm_init(vtpm);
vtpm->devid = atoi(*dir);
rc = libxl__backendpath_parse_domid(gc, be_path,
&vtpm->backend_domid);
if (rc) return NULL;
tmp = libxl__xs_read(gc, XBT_NULL, GCSPRINTF("%s/uuid", libxl_path));
if (tmp) {
if(libxl_uuid_from_string(&(vtpm->uuid), tmp)) {
LOG(ERROR, "%s/uuid is a malformed uuid?? (%s) Probably a bug!!\n", be_path, tmp);
free(vtpms);
return NULL;
}
}
}
}
*num = ndirs;
GC_FREE;
return vtpms;
}
int libxl_device_vtpm_getinfo(libxl_ctx *ctx,
uint32_t domid,
libxl_device_vtpm *vtpm,
libxl_vtpminfo *vtpminfo)
{
GC_INIT(ctx);
char *libxl_path, *dompath, *vtpmpath;
char *val;
int rc = 0;
libxl_vtpminfo_init(vtpminfo);
dompath = libxl__xs_get_dompath(gc, domid);
vtpminfo->devid = vtpm->devid;
vtpmpath = GCSPRINTF("%s/device/vtpm/%d", dompath, vtpminfo->devid);
libxl_path = GCSPRINTF("%s/device/vtpm/%d",
libxl__xs_libxl_path(gc, domid), vtpminfo->devid);
vtpminfo->backend = xs_read(ctx->xsh, XBT_NULL,
GCSPRINTF("%s/backend", libxl_path), NULL);
if (!vtpminfo->backend) {
goto err;
}
rc = libxl__backendpath_parse_domid(gc, vtpminfo->backend,
&vtpminfo->backend_id);
if (rc) goto exit;
val = libxl__xs_read(gc, XBT_NULL,
GCSPRINTF("%s/state", vtpmpath));
vtpminfo->state = val ? strtoul(val, NULL, 10) : -1;
val = libxl__xs_read(gc, XBT_NULL,
GCSPRINTF("%s/event-channel", vtpmpath));
vtpminfo->evtch = val ? strtoul(val, NULL, 10) : -1;
val = libxl__xs_read(gc, XBT_NULL,
GCSPRINTF("%s/ring-ref", vtpmpath));
vtpminfo->rref = val ? strtoul(val, NULL, 10) : -1;
vtpminfo->frontend = xs_read(ctx->xsh, XBT_NULL,
GCSPRINTF("%s/frontend", libxl_path), NULL);
vtpminfo->frontend_id = domid;
val = libxl__xs_read(gc, XBT_NULL,
GCSPRINTF("%s/uuid", libxl_path));
if(val == NULL) {
LOG(ERROR, "%s/uuid does not exist!", vtpminfo->backend);
goto err;
}
if(libxl_uuid_from_string(&(vtpminfo->uuid), val)) {
LOG(ERROR,
"%s/uuid is a malformed uuid?? (%s) Probably a bug!\n",
vtpminfo->backend, val);
goto err;
}
goto exit;
err:
rc = ERROR_FAIL;
exit:
GC_FREE;
return rc;
}
int libxl_devid_to_device_vtpm(libxl_ctx *ctx,
uint32_t domid,
int devid,
libxl_device_vtpm *vtpm)
{
libxl_device_vtpm *vtpms;
int nb, i;
int rc;
vtpms = libxl_device_vtpm_list(ctx, domid, &nb);
if (!vtpms)
return ERROR_FAIL;
libxl_device_vtpm_init(vtpm);
rc = 1;
for (i = 0; i < nb; ++i) {
if(devid == vtpms[i].devid) {
vtpm->backend_domid = vtpms[i].backend_domid;
vtpm->devid = vtpms[i].devid;
libxl_uuid_copy(ctx, &vtpm->uuid, &vtpms[i].uuid);
rc = 0;
break;
}
}
libxl_device_vtpm_list_free(vtpms, nb);
return rc;
}
static int libxl_device_vtpm_compare(libxl_device_vtpm *d1,
libxl_device_vtpm *d2)
{
return COMPARE_DEVID(d1, d2);
}
int libxl_uuid_to_device_vtpm(libxl_ctx *ctx, uint32_t domid,
libxl_uuid* uuid, libxl_device_vtpm *vtpm)
{
libxl_device_vtpm *vtpms;
int nb, i;
int rc;
vtpms = libxl_device_vtpm_list(ctx, domid, &nb);
if (!vtpms)
return ERROR_FAIL;
memset(vtpm, 0, sizeof (libxl_device_vtpm));
rc = 1;
for (i = 0; i < nb; ++i) {
if(!libxl_uuid_compare(uuid, &vtpms[i].uuid)) {
vtpm->backend_domid = vtpms[i].backend_domid;
vtpm->devid = vtpms[i].devid;
libxl_uuid_copy(ctx, &vtpm->uuid, &vtpms[i].uuid);
rc = 0;
break;
}
}
libxl_device_vtpm_list_free(vtpms, nb);
return rc;
}
void libxl_vtpminfo_list_free(libxl_vtpminfo* list, int nr)
{
int i;
for (i = 0; i < nr; i++)
libxl_vtpminfo_dispose(&list[i]);
free(list);
}
void libxl_device_vtpm_list_free(libxl_device_vtpm* list, int nr)
{
int i;
for (i = 0; i < nr; i++)
libxl_device_vtpm_dispose(&list[i]);
free(list);
}
LIBXL_DEFINE_DEVICE_ADD(vtpm)
static LIBXL_DEFINE_DEVICES_ADD(vtpm)
LIBXL_DEFINE_DEVICE_REMOVE(vtpm)
DEFINE_DEVICE_TYPE_STRUCT(vtpm);
/*
* Local variables:
* mode: C
* c-basic-offset: 4
* indent-tabs-mode: nil
* End:
*/
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