[Qemu-devel] [PULL v3 04/26] tpm: Support for XFIFO register

["Michael S. Tsirkin" <mst@redhat.com>]

From: Stefan Berger <stefanb@linux.vnet.ibm.com>

Support for the XFIFO register (range) of the TIS 1.3 specification.
We support a range of 64 bytes.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
 hw/tpm/tpm_tis.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/hw/tpm/tpm_tis.c b/hw/tpm/tpm_tis.c
index 6170693..a37c7ce 100644
--- a/hw/tpm/tpm_tis.c
+++ b/hw/tpm/tpm_tis.c
@@ -51,6 +51,8 @@
 #define TPM_TIS_REG_INTF_CAPABILITY       0x14
 #define TPM_TIS_REG_STS                   0x18
 #define TPM_TIS_REG_DATA_FIFO             0x24
+#define TPM_TIS_REG_DATA_XFIFO            0x80
+#define TPM_TIS_REG_DATA_XFIFO_END        0xbc
 #define TPM_TIS_REG_DID_VID               0xf00
 #define TPM_TIS_REG_RID                   0xf04
 
@@ -476,6 +478,7 @@ static uint64_t tpm_tis_mmio_read(void *opaque, hwaddr addr,
         }
         break;
     case TPM_TIS_REG_DATA_FIFO:
+    case TPM_TIS_REG_DATA_XFIFO ... TPM_TIS_REG_DATA_XFIFO_END:
         if (tis->active_locty == locty) {
             if (size > 4 - (addr & 0x3)) {
                 /* prevent access beyond FIFO */
@@ -762,6 +765,7 @@ static void tpm_tis_mmio_write_intern(void *opaque, hwaddr addr,
         }
         break;
     case TPM_TIS_REG_DATA_FIFO:
+    case TPM_TIS_REG_DATA_XFIFO ... TPM_TIS_REG_DATA_XFIFO_END:
         /* data fifo */
         if (tis->active_locty != locty) {
             break;
-- 
MST