Merge tag 'pull-tpm-2022-06-07-1' of https://github.com/stefanberger/qemu-tpm into staging

Merge tpm 2022/06/07 v1

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# gpg: Signature made Tue 07 Jun 2022 05:42:32 PM PDT
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# Primary key fingerprint: B818 B9CA DF90 89C2 D5CE  C66B 75AD 6580 2A0B 4211

* tag 'pull-tpm-2022-06-07-1' of https://github.com/stefanberger/qemu-tpm:
  tpm_crb: mark command buffer as dirty on request completion
  hw/tpm/tpm_tis_common.c: Assert that locty is in range

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

hw/tpm/tpm_crb.c

@@ -197,6 +197,7 @@ static void tpm_crb_request_completed(TPMIf *ti, int ret)
         ARRAY_FIELD_DP32(s->regs, CRB_CTRL_STS,
                          tpmSts, 1); /* fatal error */
     }
+    memory_region_set_dirty(&s->cmdmem, 0, CRB_CTRL_CMD_SIZE);
 }
 
 static enum TPMVersion tpm_crb_get_version(TPMIf *ti)

hw/tpm/tpm_tis_common.c

@@ -50,7 +50,12 @@ static uint64_t tpm_tis_mmio_read(void *opaque, hwaddr addr,
 
 static uint8_t tpm_tis_locality_from_addr(hwaddr addr)
 {
-    return (uint8_t)((addr >> TPM_TIS_LOCALITY_SHIFT) & 0x7);
+    uint8_t locty;
+
+    locty = (uint8_t)((addr >> TPM_TIS_LOCALITY_SHIFT) & 0x7);
+    assert(TPM_TIS_IS_VALID_LOCTY(locty));
+
+    return locty;
 }