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dm: add ssram support for user VM

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Hook ssram init && de-init functions to vdev
 devices lifecycle management:

 1) initialize ssram when vdev devices
    are initialized.

 2) de-initialize ssram when vdev devices
    are reset or destroyed.

 notes:
 ssram configuration data can be released only when
 user VM shutdown, hence it can't be done in deinit_vssram().

  - VM reboot:
    do deinit_vssram() only.

  - VM shutdown:
    do both deinit_vssram() and clean_vssram_config().

Tracked-On: #7010
Signed-off-by: Yonghua Huang <yonghua.huang@intel.com>
Acked-by: Wang Yu1 <yu1.wang@intel.com>
This commit is contained in:
Yonghua Huang
2022-01-06 17:27:43 +03:00
committed by acrnsi-robot
parent 5ff532b08c
commit 6bf70e3e35
3 changed files with 38 additions and 0 deletions
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1
devicemodel/include/vssram.h
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@@ -52,6 +52,7 @@ uint64_t get_vssram_size(void);
uint8_t *get_vssram_vrtct(void);
void clean_vssram_configs(void);
int init_vssram(struct vmctx *ctx);
void deinit_vssram(struct vmctx *ctx);
int parse_vssram_buf_params(const char *opt);
#endif /* RTCT_H */