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| author | Patrick Williams <iawillia@us.ibm.com> | 2013-05-20 14:34:56 -0500 |
|---|---|---|
| committer | A. Patrick Williams III <iawillia@us.ibm.com> | 2013-06-10 10:04:07 -0500 |
| commit | 857112a56dc57b18b1feacf948b87875dc4aea45 (patch) | |
| tree | f0ee915b3e37f9134a9268ea0c2a7e32c56a17ee /src/include/sys/mm.h | |
| parent | e3d115c541291493888f533b215e28b890776e50 (diff) | |
| download | blackbird-hostboot-857112a56dc57b18b1feacf948b87875dc4aea45.tar.gz blackbird-hostboot-857112a56dc57b18b1feacf948b87875dc4aea45.zip | |
New mm_block_map syscall.
RTC: 71081
Change-Id: Ic5531fbba92cfc7aad7d303f043d6a350483d63d
Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/4607
Tested-by: Jenkins Server
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
Diffstat (limited to 'src/include/sys/mm.h')
| -rw-r--r-- | src/include/sys/mm.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/include/sys/mm.h b/src/include/sys/mm.h index d71d5a1b3..959c2fa57 100644 --- a/src/include/sys/mm.h +++ b/src/include/sys/mm.h @@ -122,6 +122,23 @@ int mm_extend(MM_EXTEND_SIZE i_size = MM_EXTEND_REAL_MEMORY); */ int mm_linear_map(void *i_paddr, uint64_t i_size); +/** @fn mm_block_map() + * @brief Allocate an arbitrary physical address into the VMM. + * @param[in] i_paddr - Physical address of the memory to map. + * @param[in] i_size - Size of memory to map (in bytes). + * + * @return Virtual address or NULL. + */ +void* mm_block_map(void* i_paddr, uint64_t i_size); + +/** @fn mm_block_unmap() + * @brief Unallocate a block previously allocated with mm_block_map. + * @param[in] i_vaddr - Virtual address of the mapped block. + * + * @return int - 0 for successful unmap, non-zero otherwise. + */ +int mm_block_unmap(void* i_vaddr); + /** @fs mm_icache_invalidate() * @brief Invalidate the ICACHE for the given memory * |
