target/mips: Remove XBurst Media eXtension Unit dead code
[qemu/ar7.git] / hw / tpm / tpm_ppi.h
blob6f773c25a0ba75a4434e6830355865226568e6ba
1 /*
2 * TPM Physical Presence Interface
4 * Copyright (C) 2018 IBM Corporation
6 * Authors:
7 * Stefan Berger <stefanb@us.ibm.com>
9 * This work is licensed under the terms of the GNU GPL, version 2 or later.
10 * See the COPYING file in the top-level directory.
12 #ifndef TPM_TPM_PPI_H
13 #define TPM_TPM_PPI_H
15 #include "exec/address-spaces.h"
17 typedef struct TPMPPI {
18 MemoryRegion ram;
19 uint8_t *buf;
20 } TPMPPI;
22 /**
23 * tpm_ppi_init:
24 * @tpmppi: a TPMPPI
25 * @m: the address-space / MemoryRegion to use
26 * @addr: the address of the PPI region
27 * @obj: the owner object
29 * Register the TPM PPI memory region at @addr on the given address
30 * space for the object @obj.
31 **/
32 void tpm_ppi_init(TPMPPI *tpmppi, struct MemoryRegion *m,
33 hwaddr addr, Object *obj);
35 /**
36 * tpm_ppi_reset:
37 * @tpmppi: a TPMPPI
39 * Function to call on machine reset. It will check if the "Memory
40 * overwrite" variable is set, and perform a memory clear on volatile
41 * memory if requested.
42 **/
43 void tpm_ppi_reset(TPMPPI *tpmppi);
45 #endif /* TPM_TPM_PPI_H */