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authorJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-05-18 13:18:31 +0300
committerJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-05-18 13:42:15 +0300
commit437fd90c0250dee670290f9b714253671a990160 (patch)
treeb871786c360704244a07411c69fb58da9ead4a06 /qemu/hw/tpm/tpm_passthrough.c
parent5bbd6fe9b8bab2a93e548c5a53b032d1939eec05 (diff)
These changes are the raw update to qemu-2.6.
Collission happened in the following patches: migration: do cleanup operation after completion(738df5b9) Bug fix.(1750c932f86) kvmclock: add a new function to update env->tsc.(b52baab2) The code provided by the patches was already in the upstreamed version. Change-Id: I3cc11841a6a76ae20887b2e245710199e1ea7f9a Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
Diffstat (limited to 'qemu/hw/tpm/tpm_passthrough.c')
-rw-r--r--qemu/hw/tpm/tpm_passthrough.c33
1 files changed, 28 insertions, 5 deletions
diff --git a/qemu/hw/tpm/tpm_passthrough.c b/qemu/hw/tpm/tpm_passthrough.c
index 79a8f98af..e88c0d20b 100644
--- a/qemu/hw/tpm/tpm_passthrough.c
+++ b/qemu/hw/tpm/tpm_passthrough.c
@@ -22,10 +22,8 @@
* License along with this library; if not, see <http://www.gnu.org/licenses/>
*/
-#include <dirent.h>
-
+#include "qemu/osdep.h"
#include "qemu-common.h"
-#include "qapi/error.h"
#include "qemu/error-report.h"
#include "qemu/sockets.h"
#include "sysemu/tpm_backend.h"
@@ -85,12 +83,37 @@ static void tpm_passthrough_cancel_cmd(TPMBackend *tb);
static int tpm_passthrough_unix_write(int fd, const uint8_t *buf, uint32_t len)
{
- return send_all(fd, buf, len);
+ int ret, remain;
+
+ remain = len;
+ while (remain > 0) {
+ ret = write(fd, buf, remain);
+ if (ret < 0) {
+ if (errno != EINTR && errno != EAGAIN) {
+ return -1;
+ }
+ } else if (ret == 0) {
+ break;
+ } else {
+ buf += ret;
+ remain -= ret;
+ }
+ }
+ return len - remain;
}
static int tpm_passthrough_unix_read(int fd, uint8_t *buf, uint32_t len)
{
- return recv_all(fd, buf, len, true);
+ int ret;
+ reread:
+ ret = read(fd, buf, len);
+ if (ret < 0) {
+ if (errno != EINTR && errno != EAGAIN) {
+ return -1;
+ }
+ goto reread;
+ }
+ return ret;
}
static uint32_t tpm_passthrough_get_size_from_buffer(const uint8_t *buf)