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authorPeter Maydell <peter.maydell@linaro.org>2015-03-09 09:14:28 +0000
committerPeter Maydell <peter.maydell@linaro.org>2015-03-09 09:14:28 +0000
commit0048fa6c807fc8fb5c52873562ea3debfa65f085 (patch)
tree1b0e846afaf7787006e5dd535e437e5874b5f90a /hw/tpm/tpm_passthrough.c
parent6608c7e9eb65727524f6f590b1e716ec6e7877d4 (diff)
parent59ea3e7532a85b15bd551335b27fa97db48efa8d (diff)
downloadfocaccia-qemu-0048fa6c807fc8fb5c52873562ea3debfa65f085.tar.gz
focaccia-qemu-0048fa6c807fc8fb5c52873562ea3debfa65f085.zip
Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
pci, pc, virtio fixes and cleanups

A bunch of fixes all over the place.
All of ACPI refactoring has been merged.
Legacy pci commands have been dropped.
virtio header cleanup
initial patches from virtio-1.0 branch

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

* remotes/mst/tags/for_upstream: (130 commits)
  acpi: drop unused code
  aml-build: comment fix
  acpi-build: fix typo in comment
  acpi: update generated files
  vhost user:support vhost user nic for non msi guests
  aml-build: fix build for glib < 2.22
  acpi: update generated files
  Makefile.target: binary depends on config-devices
  acpi-test-data: update after pci rewrite
  acpi, mem-hotplug: use PC_DIMM_SLOT_PROP in acpi_memory_plug_cb().
  pci-hotplug-old: Has been dead for five major releases, bury
  pci: Give a few helpers internal linkage
  acpi: make build_*() routines static to aml-build.c
  pc: acpi: remove not used anymore ssdt-[misc|pcihp].hex.generated blobs
  pc: acpi-build: drop template patching and create PCI bus tree dynamically
  tests: ACPI: update pc/SSDT.bridge due to new alg of PCI tree creation
  pc: acpi-build: simplify PCI bus tree generation
  tests: add ACPI blobs for qemu with bridge cases
  tests: bios-tables-test: add support for testing bridges
  tests: ACPI test blobs update due to PCI0._CRS changes
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

Conflicts:
	hw/pci/pci-hotplug-old.c
Diffstat (limited to 'hw/tpm/tpm_passthrough.c')
-rw-r--r--hw/tpm/tpm_passthrough.c37
1 files changed, 32 insertions, 5 deletions
diff --git a/hw/tpm/tpm_passthrough.c b/hw/tpm/tpm_passthrough.c
index 2bf3c6fd61..a94c7c5a24 100644
--- a/hw/tpm/tpm_passthrough.c
+++ b/hw/tpm/tpm_passthrough.c
@@ -112,14 +112,31 @@ static void tpm_write_fatal_error_response(uint8_t *out, uint32_t out_len)
     }
 }
 
+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)
+                                        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) {
@@ -149,6 +166,11 @@ static int tpm_passthrough_unix_tx_bufs(TPMPassthruState *tpm_pt,
                      "packet from TPM\n");
     }
 
+    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);
@@ -160,13 +182,15 @@ err_exit:
 }
 
 static int tpm_passthrough_unix_transfer(TPMPassthruState *tpm_pt,
-                                         const TPMLocality *locty_data)
+                                         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);
+                                        locty_data->r_buffer.size,
+                                        selftest_done);
 }
 
 static void tpm_passthrough_worker_thread(gpointer data,
@@ -175,16 +199,19 @@ static void tpm_passthrough_worker_thread(gpointer 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);
+                                      thr_parms->tpm_state->locty_data,
+                                      &selftest_done);
 
         thr_parms->recv_data_callback(thr_parms->tpm_state,
-                                      thr_parms->tpm_state->locty_number);
+                                      thr_parms->tpm_state->locty_number,
+                                      selftest_done);
         break;
     case TPM_BACKEND_CMD_INIT:
     case TPM_BACKEND_CMD_END: