diff options
Diffstat (limited to 'sys/compat/linuxkpi/common/include/linux/highmem.h')
| -rw-r--r-- | sys/compat/linuxkpi/common/include/linux/highmem.h | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/sys/compat/linuxkpi/common/include/linux/highmem.h b/sys/compat/linuxkpi/common/include/linux/highmem.h index 58a9cdcdf60f..b704e77b6c2f 100644 --- a/sys/compat/linuxkpi/common/include/linux/highmem.h +++ b/sys/compat/linuxkpi/common/include/linux/highmem.h @@ -45,6 +45,7 @@ #include <linux/mm.h> #include <linux/page.h> +#include <linux/hardirq.h> #define PageHighMem(p) (0) @@ -61,7 +62,7 @@ kmap(struct page *page) struct sf_buf *sf; if (PMAP_HAS_DMAP) { - return ((void *)PHYS_TO_DMAP(page_to_phys(page))); + return (PHYS_TO_DMAP(page_to_phys(page))); } else { sched_pin(); sf = sf_buf_alloc(page, SFB_NOWAIT | SFB_CPUPRIVATE); @@ -69,7 +70,7 @@ kmap(struct page *page) sched_unpin(); return (NULL); } - return ((void *)sf_buf_kva(sf)); + return (sf_buf_kva(sf)); } } @@ -99,6 +100,19 @@ kmap_local_page(struct page *page) } static inline void * +kmap_local_folio(struct folio *folio, size_t offset) +{ + struct page *page; + char *vaddr; + + page = &folio->page; + vaddr = kmap_local_page(page); + vaddr += offset; + + return (vaddr); +} + +static inline void * kmap_local_page_prot(struct page *page, pgprot_t prot) { @@ -167,4 +181,13 @@ memcpy_to_page(struct page *page, size_t offset, const char *from, size_t len) kunmap_local(to); } +static inline void +memcpy_to_folio(struct folio *folio, size_t offset, const char *from, size_t len) +{ + struct page *page; + + page = &folio->page; + memcpy_to_page(page, offset, from, len); +} + #endif /* _LINUXKPI_LINUX_HIGHMEM_H_ */ |