tests: Move common TPM test code into tpm-emu.c

Move threads and other common TPM test code into tpm-emu.c.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>

1 files changed, 3 insertions, 171 deletions

diff --git a/tests/tpm-crb-test.c b/tests/tpm-crb-test.c
index 8bf1507..e1513cb 100644
--- a/tests/tpm-crb-test.c
+++ b/tests/tpm-crb-test.c
@@ -14,177 +14,9 @@
 #include <glib/gstdio.h>
 
 #include "hw/acpi/tpm.h"
-#include "hw/tpm/tpm_ioctl.h"
 #include "io/channel-socket.h"
 #include "libqtest.h"
-#include "qapi/error.h"
-
-#define TPM_RC_FAILURE 0x101
-#define TPM2_ST_NO_SESSIONS 0x8001
-
-struct tpm_hdr {
-    uint16_t tag;
-    uint32_t len;
-    uint32_t code; /*ordinal/error */
-    char buffer[];
-} QEMU_PACKED;
-
-typedef struct TestState {
-    CompatGMutex data_mutex;
-    CompatGCond data_cond;
-    SocketAddress *addr;
-    QIOChannel *tpm_ioc;
-    GThread *emu_tpm_thread;
-    struct tpm_hdr *tpm_msg;
-} TestState;
-
-static void test_wait_cond(TestState *s)
-{
-    gint64 end_time = g_get_monotonic_time() + 5 * G_TIME_SPAN_SECOND;
-
-    g_mutex_lock(&s->data_mutex);
-    if (!g_cond_wait_until(&s->data_cond, &s->data_mutex, end_time)) {
-        g_assert_not_reached();
-    }
-    g_mutex_unlock(&s->data_mutex);
-}
-
-static void *emu_tpm_thread(void *data)
-{
-    TestState *s = data;
-    QIOChannel *ioc = s->tpm_ioc;
-
-    s->tpm_msg = g_new(struct tpm_hdr, 1);
-    while (true) {
-        int minhlen = sizeof(s->tpm_msg->tag) + sizeof(s->tpm_msg->len);
-
-        if (!qio_channel_read(ioc, (char *)s->tpm_msg, minhlen, &error_abort)) {
-            break;
-        }
-        s->tpm_msg->tag = be16_to_cpu(s->tpm_msg->tag);
-        s->tpm_msg->len = be32_to_cpu(s->tpm_msg->len);
-        g_assert_cmpint(s->tpm_msg->len, >=, minhlen);
-        g_assert_cmpint(s->tpm_msg->tag, ==, TPM2_ST_NO_SESSIONS);
-
-        s->tpm_msg = g_realloc(s->tpm_msg, s->tpm_msg->len);
-        qio_channel_read(ioc, (char *)&s->tpm_msg->code,
-                         s->tpm_msg->len - minhlen, &error_abort);
-        s->tpm_msg->code = be32_to_cpu(s->tpm_msg->code);
-
-        /* reply error */
-        s->tpm_msg->tag = cpu_to_be16(TPM2_ST_NO_SESSIONS);
-        s->tpm_msg->len = cpu_to_be32(sizeof(struct tpm_hdr));
-        s->tpm_msg->code = cpu_to_be32(TPM_RC_FAILURE);
-        qio_channel_write(ioc, (char *)s->tpm_msg, be32_to_cpu(s->tpm_msg->len),
-                          &error_abort);
-    }
-
-    g_free(s->tpm_msg);
-    s->tpm_msg = NULL;
-    object_unref(OBJECT(s->tpm_ioc));
-    return NULL;
-}
-
-static void *emu_ctrl_thread(void *data)
-{
-    TestState *s = data;
-    QIOChannelSocket *lioc = qio_channel_socket_new();
-    QIOChannel *ioc;
-
-    qio_channel_socket_listen_sync(lioc, s->addr, &error_abort);
-    g_cond_signal(&s->data_cond);
-
-    qio_channel_wait(QIO_CHANNEL(lioc), G_IO_IN);
-    ioc = QIO_CHANNEL(qio_channel_socket_accept(lioc, &error_abort));
-    g_assert(ioc);
-
-    {
-        uint32_t cmd = 0;
-        struct iovec iov = { .iov_base = &cmd, .iov_len = sizeof(cmd) };
-        int *pfd = NULL;
-        size_t nfd = 0;
-
-        qio_channel_readv_full(ioc, &iov, 1, &pfd, &nfd, &error_abort);
-        cmd = be32_to_cpu(cmd);
-        g_assert_cmpint(cmd, ==, CMD_SET_DATAFD);
-        g_assert_cmpint(nfd, ==, 1);
-        s->tpm_ioc = QIO_CHANNEL(qio_channel_socket_new_fd(*pfd, &error_abort));
-        g_free(pfd);
-
-        cmd = 0;
-        qio_channel_write(ioc, (char *)&cmd, sizeof(cmd), &error_abort);
-
-        s->emu_tpm_thread = g_thread_new(NULL, emu_tpm_thread, s);
-    }
-
-    while (true) {
-        uint32_t cmd;
-        ssize_t ret;
-
-        ret = qio_channel_read(ioc, (char *)&cmd, sizeof(cmd), NULL);
-        if (ret <= 0) {
-            break;
-        }
-
-        cmd = be32_to_cpu(cmd);
-        switch (cmd) {
-        case CMD_GET_CAPABILITY: {
-            ptm_cap cap = cpu_to_be64(0x3fff);
-            qio_channel_write(ioc, (char *)&cap, sizeof(cap), &error_abort);
-            break;
-        }
-        case CMD_INIT: {
-            ptm_init init;
-            qio_channel_read(ioc, (char *)&init.u.req, sizeof(init.u.req),
-                              &error_abort);
-            init.u.resp.tpm_result = 0;
-            qio_channel_write(ioc, (char *)&init.u.resp, sizeof(init.u.resp),
-                              &error_abort);
-            break;
-        }
-        case CMD_SHUTDOWN: {
-            ptm_res res = 0;
-            qio_channel_write(ioc, (char *)&res, sizeof(res), &error_abort);
-            qio_channel_close(s->tpm_ioc, &error_abort);
-            g_thread_join(s->emu_tpm_thread);
-            break;
-        }
-        case CMD_STOP: {
-            ptm_res res = 0;
-            qio_channel_write(ioc, (char *)&res, sizeof(res), &error_abort);
-            break;
-        }
-        case CMD_SET_BUFFERSIZE: {
-            ptm_setbuffersize sbs;
-            qio_channel_read(ioc, (char *)&sbs.u.req, sizeof(sbs.u.req),
-                             &error_abort);
-            sbs.u.resp.buffersize = sbs.u.req.buffersize ?: cpu_to_be32(4096);
-            sbs.u.resp.tpm_result = 0;
-            sbs.u.resp.minsize = cpu_to_be32(128);
-            sbs.u.resp.maxsize = cpu_to_be32(4096);
-            qio_channel_write(ioc, (char *)&sbs.u.resp, sizeof(sbs.u.resp),
-                              &error_abort);
-            break;
-        }
-        case CMD_SET_LOCALITY: {
-            ptm_loc loc;
-            /* Note: this time it's not u.req / u.resp... */
-            qio_channel_read(ioc, (char *)&loc, sizeof(loc), &error_abort);
-            g_assert_cmpint(loc.u.req.loc, ==, 0);
-            loc.u.resp.tpm_result = 0;
-            qio_channel_write(ioc, (char *)&loc, sizeof(loc), &error_abort);
-            break;
-        }
-        default:
-            g_debug("unimplemented %u", cmd);
-            g_assert_not_reached();
-        }
-    }
-
-    object_unref(OBJECT(ioc));
-    object_unref(OBJECT(lioc));
-    return NULL;
-}
+#include "tpm-emu.h"
 
 #define TPM_CMD "\x80\x01\x00\x00\x00\x0c\x00\x00\x01\x44\x00\x00"
 
@@ -250,8 +82,8 @@ int main(int argc, char **argv)
     g_mutex_init(&test.data_mutex);
     g_cond_init(&test.data_cond);
 
-    thread = g_thread_new(NULL, emu_ctrl_thread, &test);
-    test_wait_cond(&test);
+    thread = g_thread_new(NULL, tpm_emu_ctrl_thread, &test);
+    tpm_emu_test_wait_cond(&test);
 
     args = g_strdup_printf(
         "-chardev socket,id=chr,path=%s "