Adding qemu as a submodule of KVMFORNFV

This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>

1 files changed, 0 insertions, 566 deletions

diff --git a/qemu/hw/tpm/tpm_passthrough.c b/qemu/hw/tpm/tpm_passthrough.c
deleted file mode 100644
index e88c0d20b..000000000
--- a/qemu/hw/tpm/tpm_passthrough.c
+++ /dev/null
@@ -1,566 +0,0 @@
-/*
- *  passthrough TPM driver
- *
- *  Copyright (c) 2010 - 2013 IBM Corporation
- *  Authors:
- *    Stefan Berger <stefanb@us.ibm.com>
- *
- *  Copyright (C) 2011 IAIK, Graz University of Technology
- *    Author: Andreas Niederl
- *
- * 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 "qemu-common.h"
-#include "qemu/error-report.h"
-#include "qemu/sockets.h"
-#include "sysemu/tpm_backend.h"
-#include "tpm_int.h"
-#include "hw/hw.h"
-#include "hw/i386/pc.h"
-#include "sysemu/tpm_backend_int.h"
-#include "tpm_tis.h"
-#include "tpm_util.h"
-
-#define DEBUG_TPM 0
-
-#define DPRINTF(fmt, ...) do { \
-    if (DEBUG_TPM) { \
-        fprintf(stderr, fmt, ## __VA_ARGS__); \
-    } \
-} while (0);
-
-#define TYPE_TPM_PASSTHROUGH "tpm-passthrough"
-#define TPM_PASSTHROUGH(obj) \
-    OBJECT_CHECK(TPMPassthruState, (obj), TYPE_TPM_PASSTHROUGH)
-
-static const TPMDriverOps tpm_passthrough_driver;
-
-/* data structures */
-typedef struct TPMPassthruThreadParams {
-    TPMState *tpm_state;
-
-    TPMRecvDataCB *recv_data_callback;
-    TPMBackend *tb;
-} TPMPassthruThreadParams;
-
-struct TPMPassthruState {
-    TPMBackend parent;
-
-    TPMBackendThread tbt;
-
-    TPMPassthruThreadParams tpm_thread_params;
-
-    char *tpm_dev;
-    int tpm_fd;
-    bool tpm_executing;
-    bool tpm_op_canceled;
-    int cancel_fd;
-    bool had_startup_error;
-
-    TPMVersion tpm_version;
-};
-
-typedef struct TPMPassthruState TPMPassthruState;
-
-#define TPM_PASSTHROUGH_DEFAULT_DEVICE "/dev/tpm0"
-
-/* functions */
-
-static void tpm_passthrough_cancel_cmd(TPMBackend *tb);
-
-static int tpm_passthrough_unix_write(int fd, const uint8_t *buf, uint32_t 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)
-{
-    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)
-{
-    struct tpm_resp_hdr *resp = (struct tpm_resp_hdr *)buf;
-
-    return be32_to_cpu(resp->len);
-}
-
-/*
- * Write an error message in the given output buffer.
- */
-static void tpm_write_fatal_error_response(uint8_t *out, uint32_t out_len)
-{
-    if (out_len >= sizeof(struct tpm_resp_hdr)) {
-        struct tpm_resp_hdr *resp = (struct tpm_resp_hdr *)out;
-
-        resp->tag = cpu_to_be16(TPM_TAG_RSP_COMMAND);
-        resp->len = cpu_to_be32(sizeof(struct tpm_resp_hdr));
-        resp->errcode = cpu_to_be32(TPM_FAIL);
-    }
-}
-
-static bool tpm_passthrough_is_selftest(const uint8_t *in, uint32_t in_len)
-{
-    struct tpm_req_hdr *hdr = (struct tpm_req_hdr *)in;
-
-    if (in_len >= sizeof(*hdr)) {
-        return (be32_to_cpu(hdr->ordinal) == TPM_ORD_ContinueSelfTest);
-    }
-
-    return false;
-}
-
-static int tpm_passthrough_unix_tx_bufs(TPMPassthruState *tpm_pt,
-                                        const uint8_t *in, uint32_t in_len,
-                                        uint8_t *out, uint32_t out_len,
-                                        bool *selftest_done)
-{
-    int ret;
-    bool is_selftest;
-    const struct tpm_resp_hdr *hdr;
-
-    tpm_pt->tpm_op_canceled = false;
-    tpm_pt->tpm_executing = true;
-    *selftest_done = false;
-
-    is_selftest = tpm_passthrough_is_selftest(in, in_len);
-
-    ret = tpm_passthrough_unix_write(tpm_pt->tpm_fd, in, in_len);
-    if (ret != in_len) {
-        if (!tpm_pt->tpm_op_canceled ||
-            (tpm_pt->tpm_op_canceled && errno != ECANCELED)) {
-            error_report("tpm_passthrough: error while transmitting data "
-                         "to TPM: %s (%i)",
-                         strerror(errno), errno);
-        }
-        goto err_exit;
-    }
-
-    tpm_pt->tpm_executing = false;
-
-    ret = tpm_passthrough_unix_read(tpm_pt->tpm_fd, out, out_len);
-    if (ret < 0) {
-        if (!tpm_pt->tpm_op_canceled ||
-            (tpm_pt->tpm_op_canceled && errno != ECANCELED)) {
-            error_report("tpm_passthrough: error while reading data from "
-                         "TPM: %s (%i)",
-                         strerror(errno), errno);
-        }
-    } else if (ret < sizeof(struct tpm_resp_hdr) ||
-               tpm_passthrough_get_size_from_buffer(out) != ret) {
-        ret = -1;
-        error_report("tpm_passthrough: received invalid response "
-                     "packet from TPM");
-    }
-
-    if (is_selftest && (ret >= sizeof(struct tpm_resp_hdr))) {
-        hdr = (struct tpm_resp_hdr *)out;
-        *selftest_done = (be32_to_cpu(hdr->errcode) == 0);
-    }
-
-err_exit:
-    if (ret < 0) {
-        tpm_write_fatal_error_response(out, out_len);
-    }
-
-    tpm_pt->tpm_executing = false;
-
-    return ret;
-}
-
-static int tpm_passthrough_unix_transfer(TPMPassthruState *tpm_pt,
-                                         const TPMLocality *locty_data,
-                                         bool *selftest_done)
-{
-    return tpm_passthrough_unix_tx_bufs(tpm_pt,
-                                        locty_data->w_buffer.buffer,
-                                        locty_data->w_offset,
-                                        locty_data->r_buffer.buffer,
-                                        locty_data->r_buffer.size,
-                                        selftest_done);
-}
-
-static void tpm_passthrough_worker_thread(gpointer data,
-                                          gpointer user_data)
-{
-    TPMPassthruThreadParams *thr_parms = user_data;
-    TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(thr_parms->tb);
-    TPMBackendCmd cmd = (TPMBackendCmd)data;
-    bool selftest_done = false;
-
-    DPRINTF("tpm_passthrough: processing command type %d\n", cmd);
-
-    switch (cmd) {
-    case TPM_BACKEND_CMD_PROCESS_CMD:
-        tpm_passthrough_unix_transfer(tpm_pt,
-                                      thr_parms->tpm_state->locty_data,
-                                      &selftest_done);
-
-        thr_parms->recv_data_callback(thr_parms->tpm_state,
-                                      thr_parms->tpm_state->locty_number,
-                                      selftest_done);
-        break;
-    case TPM_BACKEND_CMD_INIT:
-    case TPM_BACKEND_CMD_END:
-    case TPM_BACKEND_CMD_TPM_RESET:
-        /* nothing to do */
-        break;
-    }
-}
-
-/*
- * Start the TPM (thread). If it had been started before, then terminate
- * and start it again.
- */
-static int tpm_passthrough_startup_tpm(TPMBackend *tb)
-{
-    TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb);
-
-    /* terminate a running TPM */
-    tpm_backend_thread_end(&tpm_pt->tbt);
-
-    tpm_backend_thread_create(&tpm_pt->tbt,
-                              tpm_passthrough_worker_thread,
-                              &tpm_pt->tpm_thread_params);
-
-    return 0;
-}
-
-static void tpm_passthrough_reset(TPMBackend *tb)
-{
-    TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb);
-
-    DPRINTF("tpm_passthrough: CALL TO TPM_RESET!\n");
-
-    tpm_passthrough_cancel_cmd(tb);
-
-    tpm_backend_thread_end(&tpm_pt->tbt);
-
-    tpm_pt->had_startup_error = false;
-}
-
-static int tpm_passthrough_init(TPMBackend *tb, TPMState *s,
-                                TPMRecvDataCB *recv_data_cb)
-{
-    TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb);
-
-    tpm_pt->tpm_thread_params.tpm_state = s;
-    tpm_pt->tpm_thread_params.recv_data_callback = recv_data_cb;
-    tpm_pt->tpm_thread_params.tb = tb;
-
-    return 0;
-}
-
-static bool tpm_passthrough_get_tpm_established_flag(TPMBackend *tb)
-{
-    return false;
-}
-
-static int tpm_passthrough_reset_tpm_established_flag(TPMBackend *tb,
-                                                      uint8_t locty)
-{
-    /* only a TPM 2.0 will support this */
-    return 0;
-}
-
-static bool tpm_passthrough_get_startup_error(TPMBackend *tb)
-{
-    TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb);
-
-    return tpm_pt->had_startup_error;
-}
-
-static size_t tpm_passthrough_realloc_buffer(TPMSizedBuffer *sb)
-{
-    size_t wanted_size = 4096; /* Linux tpm.c buffer size */
-
-    if (sb->size != wanted_size) {
-        sb->buffer = g_realloc(sb->buffer, wanted_size);
-        sb->size = wanted_size;
-    }
-    return sb->size;
-}
-
-static void tpm_passthrough_deliver_request(TPMBackend *tb)
-{
-    TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb);
-
-    tpm_backend_thread_deliver_request(&tpm_pt->tbt);
-}
-
-static void tpm_passthrough_cancel_cmd(TPMBackend *tb)
-{
-    TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb);
-    int n;
-
-    /*
-     * As of Linux 3.7 the tpm_tis driver does not properly cancel
-     * commands on all TPM manufacturers' TPMs.
-     * Only cancel if we're busy so we don't cancel someone else's
-     * command, e.g., a command executed on the host.
-     */
-    if (tpm_pt->tpm_executing) {
-        if (tpm_pt->cancel_fd >= 0) {
-            n = write(tpm_pt->cancel_fd, "-", 1);
-            if (n != 1) {
-                error_report("Canceling TPM command failed: %s",
-                             strerror(errno));
-            } else {
-                tpm_pt->tpm_op_canceled = true;
-            }
-        } else {
-            error_report("Cannot cancel TPM command due to missing "
-                         "TPM sysfs cancel entry");
-        }
-    }
-}
-
-static const char *tpm_passthrough_create_desc(void)
-{
-    return "Passthrough TPM backend driver";
-}
-
-static TPMVersion tpm_passthrough_get_tpm_version(TPMBackend *tb)
-{
-    TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb);
-
-    return tpm_pt->tpm_version;
-}
-
-/*
- * Unless path or file descriptor set has been provided by user,
- * determine the sysfs cancel file following kernel documentation
- * in Documentation/ABI/stable/sysfs-class-tpm.
- * From /dev/tpm0 create /sys/class/misc/tpm0/device/cancel
- */
-static int tpm_passthrough_open_sysfs_cancel(TPMBackend *tb)
-{
-    TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb);
-    int fd = -1;
-    char *dev;
-    char path[PATH_MAX];
-
-    if (tb->cancel_path) {
-        fd = qemu_open(tb->cancel_path, O_WRONLY);
-        if (fd < 0) {
-            error_report("Could not open TPM cancel path : %s",
-                         strerror(errno));
-        }
-        return fd;
-    }
-
-    dev = strrchr(tpm_pt->tpm_dev, '/');
-    if (dev) {
-        dev++;
-        if (snprintf(path, sizeof(path), "/sys/class/misc/%s/device/cancel",
-                     dev) < sizeof(path)) {
-            fd = qemu_open(path, O_WRONLY);
-            if (fd >= 0) {
-                tb->cancel_path = g_strdup(path);
-            } else {
-                error_report("tpm_passthrough: Could not open TPM cancel "
-                             "path %s : %s", path, strerror(errno));
-            }
-        }
-    } else {
-       error_report("tpm_passthrough: Bad TPM device path %s",
-                    tpm_pt->tpm_dev);
-    }
-
-    return fd;
-}
-
-static int tpm_passthrough_handle_device_opts(QemuOpts *opts, TPMBackend *tb)
-{
-    TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb);
-    const char *value;
-
-    value = qemu_opt_get(opts, "cancel-path");
-    tb->cancel_path = g_strdup(value);
-
-    value = qemu_opt_get(opts, "path");
-    if (!value) {
-        value = TPM_PASSTHROUGH_DEFAULT_DEVICE;
-    }
-
-    tpm_pt->tpm_dev = g_strdup(value);
-
-    tb->path = g_strdup(tpm_pt->tpm_dev);
-
-    tpm_pt->tpm_fd = qemu_open(tpm_pt->tpm_dev, O_RDWR);
-    if (tpm_pt->tpm_fd < 0) {
-        error_report("Cannot access TPM device using '%s': %s",
-                     tpm_pt->tpm_dev, strerror(errno));
-        goto err_free_parameters;
-    }
-
-    if (tpm_util_test_tpmdev(tpm_pt->tpm_fd, &tpm_pt->tpm_version)) {
-        error_report("'%s' is not a TPM device.",
-                     tpm_pt->tpm_dev);
-        goto err_close_tpmdev;
-    }
-
-    return 0;
-
- err_close_tpmdev:
-    qemu_close(tpm_pt->tpm_fd);
-    tpm_pt->tpm_fd = -1;
-
- err_free_parameters:
-    g_free(tb->path);
-    tb->path = NULL;
-
-    g_free(tpm_pt->tpm_dev);
-    tpm_pt->tpm_dev = NULL;
-
-    return 1;
-}
-
-static TPMBackend *tpm_passthrough_create(QemuOpts *opts, const char *id)
-{
-    Object *obj = object_new(TYPE_TPM_PASSTHROUGH);
-    TPMBackend *tb = TPM_BACKEND(obj);
-    TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb);
-
-    tb->id = g_strdup(id);
-    /* let frontend set the fe_model to proper value */
-    tb->fe_model = -1;
-
-    tb->ops = &tpm_passthrough_driver;
-
-    if (tpm_passthrough_handle_device_opts(opts, tb)) {
-        goto err_exit;
-    }
-
-    tpm_pt->cancel_fd = tpm_passthrough_open_sysfs_cancel(tb);
-    if (tpm_pt->cancel_fd < 0) {
-        goto err_exit;
-    }
-
-    return tb;
-
-err_exit:
-    g_free(tb->id);
-
-    return NULL;
-}
-
-static void tpm_passthrough_destroy(TPMBackend *tb)
-{
-    TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb);
-
-    tpm_passthrough_cancel_cmd(tb);
-
-    tpm_backend_thread_end(&tpm_pt->tbt);
-
-    qemu_close(tpm_pt->tpm_fd);
-    qemu_close(tpm_pt->cancel_fd);
-
-    g_free(tb->id);
-    g_free(tb->path);
-    g_free(tb->cancel_path);
-    g_free(tpm_pt->tpm_dev);
-}
-
-static const QemuOptDesc tpm_passthrough_cmdline_opts[] = {
-    TPM_STANDARD_CMDLINE_OPTS,
-    {
-        .name = "cancel-path",
-        .type = QEMU_OPT_STRING,
-        .help = "Sysfs file entry for canceling TPM commands",
-    },
-    {
-        .name = "path",
-        .type = QEMU_OPT_STRING,
-        .help = "Path to TPM device on the host",
-    },
-    { /* end of list */ },
-};
-
-static const TPMDriverOps tpm_passthrough_driver = {
-    .type                     = TPM_TYPE_PASSTHROUGH,
-    .opts                     = tpm_passthrough_cmdline_opts,
-    .desc                     = tpm_passthrough_create_desc,
-    .create                   = tpm_passthrough_create,
-    .destroy                  = tpm_passthrough_destroy,
-    .init                     = tpm_passthrough_init,
-    .startup_tpm              = tpm_passthrough_startup_tpm,
-    .realloc_buffer           = tpm_passthrough_realloc_buffer,
-    .reset                    = tpm_passthrough_reset,
-    .had_startup_error        = tpm_passthrough_get_startup_error,
-    .deliver_request          = tpm_passthrough_deliver_request,
-    .cancel_cmd               = tpm_passthrough_cancel_cmd,
-    .get_tpm_established_flag = tpm_passthrough_get_tpm_established_flag,
-    .reset_tpm_established_flag = tpm_passthrough_reset_tpm_established_flag,
-    .get_tpm_version          = tpm_passthrough_get_tpm_version,
-};
-
-static void tpm_passthrough_inst_init(Object *obj)
-{
-}
-
-static void tpm_passthrough_inst_finalize(Object *obj)
-{
-}
-
-static void tpm_passthrough_class_init(ObjectClass *klass, void *data)
-{
-    TPMBackendClass *tbc = TPM_BACKEND_CLASS(klass);
-
-    tbc->ops = &tpm_passthrough_driver;
-}
-
-static const TypeInfo tpm_passthrough_info = {
-    .name = TYPE_TPM_PASSTHROUGH,
-    .parent = TYPE_TPM_BACKEND,
-    .instance_size = sizeof(TPMPassthruState),
-    .class_init = tpm_passthrough_class_init,
-    .instance_init = tpm_passthrough_inst_init,
-    .instance_finalize = tpm_passthrough_inst_finalize,
-};
-
-static void tpm_passthrough_register(void)
-{
-    type_register_static(&tpm_passthrough_info);
-    tpm_register_driver(&tpm_passthrough_driver);
-}
-
-type_init(tpm_passthrough_register)