1 files changed, 0 insertions, 127 deletions
diff --git a/qemu/hw/tpm/tpm_util.c b/qemu/hw/tpm/tpm_util.c
deleted file mode 100644
index 7b3542972..000000000
--- a/qemu/hw/tpm/tpm_util.c
+++ /dev/null
@@ -1,127 +0,0 @@
-/*
- * TPM utility functions
- *
- *  Copyright (c) 2010 - 2015 IBM Corporation
- *  Authors:
- *    Stefan Berger <stefanb@us.ibm.com>
- *
- * This library 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; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, see <http://www.gnu.org/licenses/>
- */
-
-#include "qemu/osdep.h"
-#include "tpm_util.h"
-#include "tpm_int.h"
-
-/*
- * A basic test of a TPM device. We expect a well formatted response header
- * (error response is fine) within one second.
- */
-static int tpm_util_test(int fd,
-                         unsigned char *request,
-                         size_t requestlen,
-                         uint16_t *return_tag)
-{
-    struct tpm_resp_hdr *resp;
-    fd_set readfds;
-    int n;
-    struct timeval tv = {
-        .tv_sec = 1,
-        .tv_usec = 0,
-    };
-    unsigned char buf[1024];
-
-    n = write(fd, request, requestlen);
-    if (n < 0) {
-        return errno;
-    }
-    if (n != requestlen) {
-        return EFAULT;
-    }
-
-    FD_ZERO(&readfds);
-    FD_SET(fd, &readfds);
-
-    /* wait for a second */
-    n = select(fd + 1, &readfds, NULL, NULL, &tv);
-    if (n != 1) {
-        return errno;
-    }
-
-    n = read(fd, &buf, sizeof(buf));
-    if (n < sizeof(struct tpm_resp_hdr)) {
-        return EFAULT;
-    }
-
-    resp = (struct tpm_resp_hdr *)buf;
-    /* check the header */
-    if (be32_to_cpu(resp->len) != n) {
-        return EBADMSG;
-    }
-
-    *return_tag = be16_to_cpu(resp->tag);
-
-    return 0;
-}
-
-/*
- * Probe for the TPM device in the back
- * Returns 0 on success with the version of the probed TPM set, 1 on failure.
- */
-int tpm_util_test_tpmdev(int tpm_fd, TPMVersion *tpm_version)
-{
-    /*
-     * Sending a TPM1.2 command to a TPM2 should return a TPM1.2
-     * header (tag = 0xc4) and error code (TPM_BADTAG = 0x1e)
-     *
-     * Sending a TPM2 command to a TPM 2 will give a TPM 2 tag in the
-     * header.
-     * Sending a TPM2 command to a TPM 1.2 will give a TPM 1.2 tag
-     * in the header and an error code.
-     */
-    const struct tpm_req_hdr test_req = {
-        .tag = cpu_to_be16(TPM_TAG_RQU_COMMAND),
-        .len = cpu_to_be32(sizeof(test_req)),
-        .ordinal = cpu_to_be32(TPM_ORD_GetTicks),
-    };
-
-    const struct tpm_req_hdr test_req_tpm2 = {
-        .tag = cpu_to_be16(TPM2_ST_NO_SESSIONS),
-        .len = cpu_to_be32(sizeof(test_req_tpm2)),
-        .ordinal = cpu_to_be32(TPM2_CC_ReadClock),
-    };
-    uint16_t return_tag;
-    int ret;
-
-    /* Send TPM 2 command */
-    ret = tpm_util_test(tpm_fd, (unsigned char *)&test_req_tpm2,
-                        sizeof(test_req_tpm2), &return_tag);
-    /* TPM 2 would respond with a tag of TPM2_ST_NO_SESSIONS */
-    if (!ret && return_tag == TPM2_ST_NO_SESSIONS) {
-        *tpm_version = TPM_VERSION_2_0;
-        return 0;
-    }
-
-    /* Send TPM 1.2 command */
-    ret = tpm_util_test(tpm_fd, (unsigned char *)&test_req,
-                        sizeof(test_req), &return_tag);
-    if (!ret && return_tag == TPM_TAG_RSP_COMMAND) {
-        *tpm_version = TPM_VERSION_1_2;
-        /* this is a TPM 1.2 */
-        return 0;
-    }
-
-    *tpm_version = TPM_VERSION_UNSPEC;
-
-    return 1;
-}