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authorAlexey Kardashevskiy <aik@amd.com>2025-12-02 13:44:46 +1100
committerDan Williams <dan.j.williams@intel.com>2025-12-02 12:05:51 -0800
commit8a5dd102e48752f8c4144f051eccc602774f1a93 (patch)
tree368f00857846c79fb02206138572124aea7676c9 /rust/helpers/err.c
parentf7ae6d4ec6520a901787cbab273983e96d8516da (diff)
ccp: Make snp_reclaim_pages and __sev_do_cmd_locked public
The snp_reclaim_pages() helper reclaims pages in the FW state. SEV-TIO and the TMPM driver (a hardware engine which smashes IOMMU PDEs among other things) will use to reclaim memory when cleaning up. Share and export snp_reclaim_pages(). Most of the SEV-TIO code uses sev_do_cmd() which locks the sev_cmd_mutex and already exported. But the SNP init code (which also sets up SEV-TIO) executes under the sev_cmd_mutex lock so the SEV-TIO code has to use the __sev_do_cmd_locked() helper. This one though does not need to be exported/shared globally as SEV-TIO is a part of the CCP driver still. Share __sev_do_cmd_locked() via the CCP internal header. Signed-off-by: Alexey Kardashevskiy <aik@amd.com> Link: https://patch.msgid.link/20251202024449.542361-2-aik@amd.com Acked-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'rust/helpers/err.c')
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