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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH 4/6] libxl: split libxl vtpm code into one source
Put all vtpm related stuff of libxl into a dedicated source file.
Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
---
tools/libxl/Makefile | 1 +
tools/libxl/libxl.c | 302 -----------------------------------
tools/libxl/libxl_internal.h | 1 -
tools/libxl/libxl_utils.c | 43 -----
tools/libxl/libxl_vtpm.c | 366 +++++++++++++++++++++++++++++++++++++++++++
5 files changed, 367 insertions(+), 346 deletions(-)
create mode 100644 tools/libxl/libxl_vtpm.c
diff --git a/tools/libxl/Makefile b/tools/libxl/Makefile
index 9fee752..86c11bf 100644
--- a/tools/libxl/Makefile
+++ b/tools/libxl/Makefile
@@ -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
diff --git a/tools/libxl/libxl.c b/tools/libxl/libxl.c
index 12bc0e1..7ada4a7 100644
--- a/tools/libxl/libxl.c
+++ b/tools/libxl/libxl.c
@@ -2031,292 +2031,6 @@ int libxl__resolve_domid(libxl__gc *gc, const char
*name, uint32_t *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,
uint32_t domid)
@@ -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)
@@ -7492,19 +7197,12 @@ 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:
diff --git a/tools/libxl/libxl_internal.h b/tools/libxl/libxl_internal.h
index aea14ea..30b6e1e 100644
--- a/tools/libxl/libxl_internal.h
+++ b/tools/libxl/libxl_internal.h
@@ -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);
diff --git a/tools/libxl/libxl_utils.c b/tools/libxl/libxl_utils.c
index c6933d6..b748555 100644
--- a/tools/libxl/libxl_utils.c
+++ b/tools/libxl/libxl_utils.c
@@ -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
diff --git a/tools/libxl/libxl_vtpm.c b/tools/libxl/libxl_vtpm.c
new file mode 100644
index 0000000..cbbeea7
--- /dev/null
+++ b/tools/libxl/libxl_vtpm.c
@@ -0,0 +1,366 @@
+/*
+ * Copyright (C) 2016 SUSE Linux GmbH
+ * Author Juergen Gross <jgross@xxxxxxxx>
+ *
+ * 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:
+ */
+
--
2.6.6
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