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DM: support mmio dev gpa resource allocation

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The ACPI MMIO devices, like TPM, has a fixed base GPA. Sould support
GPA resource allocating for MMIO devices. GPA region
0xF0000000~0xFE000000 is not used, can allocate GPA from it.

Tracked-On: #5913
Signed-off-by: Tao Yuhong <yuhong.tao@intel.com>
Acked-by: Wang, Yu1 <yu1.wang@intel.com>
This commit is contained in:
Tao Yuhong
2021-04-19 07:37:16 -04:00
committed by wenlingz
parent 606704eff6
commit f1c2eca1dc
2 changed files with 23 additions and 0 deletions
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4
devicemodel/include/mmio_dev.h
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@@ -14,4 +14,8 @@ int parse_pt_mmiodev(char *arg);
int init_mmio_devs(struct vmctx *ctx);
void deinit_mmio_devs(struct vmctx *ctx);
int mmio_dev_alloc_gpa_resource32(uint32_t *addr, uint32_t size_in);
#define MMIO_DEV_BASE 0xF0000000U
#define MMIO_DEV_LIMIT 0xFE000000U
#endif /* _MMIO_DEV_H_ */