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tpm: reorganize headers and split hardware part

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The TPM subsystem does not have a full front-end/back-end separation.
The sole available backend, tpm_passthrough, depends on the data
structures of the sole available frontend, tpm_tis.

However, we can at least try to split the user interface (tpm.c) from the
implementation (hw/tpm).  The patches makes tpm.c not include tpm_int.h,
which is shared between tpm_tis.c and tpm_passthrough.c; instead it
moves more stuff to tpm_backend.h.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2013-04-02 18:28:41 +02:00
parent 3b8acc11d3
commit bdee56f546
15 changed files with 103 additions and 128 deletions
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38
backends/tpm.c
View file

@ -13,8 +13,10 @@
*/
#include "backends/tpm.h"
#include "tpm/tpm_int.h"
#include "qapi/qmp/qerror.h"
#include "sysemu/tpm.h"
#include "qemu/thread.h"
#include "sysemu/tpm_backend_int.h"
enum TpmType tpm_backend_get_type(TPMBackend *s)
{
@ -137,6 +139,40 @@ static void tpm_backend_instance_init(Object *obj)
NULL);
}
void tpm_backend_thread_deliver_request(TPMBackendThread *tbt)
{
g_thread_pool_push(tbt->pool, (gpointer)TPM_BACKEND_CMD_PROCESS_CMD, NULL);
}
void tpm_backend_thread_create(TPMBackendThread *tbt,
GFunc func, gpointer user_data)
{
if (!tbt->pool) {
tbt->pool = g_thread_pool_new(func, user_data, 1, TRUE, NULL);
g_thread_pool_push(tbt->pool, (gpointer)TPM_BACKEND_CMD_INIT, NULL);
}
}
void tpm_backend_thread_end(TPMBackendThread *tbt)
{
if (tbt->pool) {
g_thread_pool_push(tbt->pool, (gpointer)TPM_BACKEND_CMD_END, NULL);
g_thread_pool_free(tbt->pool, FALSE, TRUE);
tbt->pool = NULL;
}
}
void tpm_backend_thread_tpm_reset(TPMBackendThread *tbt,
GFunc func, gpointer user_data)
{
if (!tbt->pool) {
tpm_backend_thread_create(tbt, func, user_data);
} else {
g_thread_pool_push(tbt->pool, (gpointer)TPM_BACKEND_CMD_TPM_RESET,
NULL);
}
}
static const TypeInfo tpm_backend_info = {
.name = TYPE_TPM_BACKEND,
.parent = TYPE_OBJECT,