linuxkpi: Add arch_io_{reserve,free}_memtype_wc
Reviewed by: hselasky Obtained from: drm-kmod Sponsored by: Beckhoff Automation GmbH & Co. KG Differential Revision: https://reviews.freebsd.org/D36022
This commit is contained in:
parent
a7727e1a6d
commit
789dbdbb48
@ -38,6 +38,7 @@
|
||||
|
||||
#include <linux/compiler.h>
|
||||
#include <linux/types.h>
|
||||
#include <asm/set_memory.h>
|
||||
|
||||
/*
|
||||
* XXX This is all x86 specific. It should be bus space access.
|
||||
@ -494,4 +495,19 @@ void lkpi_arch_phys_wc_del(int);
|
||||
#define arch_phys_wc_index(x) \
|
||||
(((x) < __MTRR_ID_BASE) ? -1 : ((x) - __MTRR_ID_BASE))
|
||||
|
||||
#if defined(__amd64__) || defined(__i386__) || defined(__aarch64__) || defined(__powerpc__) || defined(__riscv)
|
||||
static inline int
|
||||
arch_io_reserve_memtype_wc(resource_size_t start, resource_size_t size)
|
||||
{
|
||||
|
||||
return (set_memory_wc(start, size >> PAGE_SHIFT));
|
||||
}
|
||||
|
||||
static inline void
|
||||
arch_io_free_memtype_wc(resource_size_t start, resource_size_t size)
|
||||
{
|
||||
set_memory_wb(start, size >> PAGE_SHIFT);
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _LINUXKPI_LINUX_IO_H_ */
|
||||
|
Loading…
Reference in New Issue
Block a user