Date: Wed, 7 Sep 2022 15:10:18 GMT
From: Emmanuel Vadot <manu@FreeBSD.org>
To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org
Subject: git: 567ee6830d8d - stable/13 - linuxkpi: Add arch_io_{reserve,free}_memtype_wc
Message-ID: <202209071510.287FAIFC024403@gitrepo.freebsd.org>
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The branch stable/13 has been updated by manu: URL: https://cgit.FreeBSD.org/src/commit/?id=567ee6830d8d79a9a537b9cd0e4ac08817592019 commit 567ee6830d8d79a9a537b9cd0e4ac08817592019 Author: Emmanuel Vadot <manu@FreeBSD.org> AuthorDate: 2022-08-02 08:27:00 +0000 Commit: Emmanuel Vadot <manu@FreeBSD.org> CommitDate: 2022-09-07 15:09:04 +0000 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 (cherry picked from commit 789dbdbb485749340110be550a03c6df22bc9c9c) --- sys/compat/linuxkpi/common/include/linux/io.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/sys/compat/linuxkpi/common/include/linux/io.h b/sys/compat/linuxkpi/common/include/linux/io.h index d2ebf7e328cf..5c3e4bec5484 100644 --- a/sys/compat/linuxkpi/common/include/linux/io.h +++ b/sys/compat/linuxkpi/common/include/linux/io.h @@ -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. @@ -490,4 +491,19 @@ 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_ */
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