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| author | Simon Rettberg | 2022-05-11 10:41:01 +0200 |
|---|---|---|
| committer | Simon Rettberg | 2022-05-11 10:41:01 +0200 |
| commit | a12e3c379cf2e5946c7316259ef46736cdd5f222 (patch) | |
| tree | 49638dad528a4490e293ea4a0f87e39ce862a75b /src/include/ipxe/linux/linux_uaccess.h | |
| parent | Local UEFI disk boot support (diff) | |
| parent | [cloud] Allow aws-import script to run on Python 3.6 (diff) | |
| download | ipxe-a12e3c379cf2e5946c7316259ef46736cdd5f222.tar.gz ipxe-a12e3c379cf2e5946c7316259ef46736cdd5f222.tar.xz ipxe-a12e3c379cf2e5946c7316259ef46736cdd5f222.zip | |
Merge branch 'master' into openslx
Diffstat (limited to 'src/include/ipxe/linux/linux_uaccess.h')
| -rw-r--r-- | src/include/ipxe/linux/linux_uaccess.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/src/include/ipxe/linux/linux_uaccess.h b/src/include/ipxe/linux/linux_uaccess.h index acd919a85..a642b6163 100644 --- a/src/include/ipxe/linux/linux_uaccess.h +++ b/src/include/ipxe/linux/linux_uaccess.h @@ -25,7 +25,7 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); #endif /** - * Convert user buffer to physical address + * Convert user pointer to physical address * * @v userptr User pointer * @v offset Offset from user pointer @@ -46,6 +46,19 @@ UACCESS_INLINE ( linux, user_to_phys ) ( userptr_t userptr, off_t offset ) { return ( userptr + offset ); } +/** + * Convert physical address to user pointer + * + * @v phys_addr Physical address + * @ret userptr User pointer + */ +static inline __always_inline userptr_t +UACCESS_INLINE ( linux, phys_to_user ) ( physaddr_t phys_addr ) { + + /* For symmetry with the stub user_to_phys() */ + return phys_addr; +} + static inline __always_inline userptr_t UACCESS_INLINE ( linux, virt_to_user ) ( volatile const void *addr ) { return trivial_virt_to_user ( addr ); |