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| author | Christoph Hellwig <hch@lst.de> | 2021-04-02 16:33:12 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2021-04-07 11:14:55 +0200 |
| commit | fc1b6620501f1a4b88f583549c63666180bea177 (patch) | |
| tree | 8e69214f047fd40c553baee25a612ec7b6c8bc7c /include/linux/amd-iommu.h | |
| parent | b29a1fc7595a868fc49ed3083a2766c3cab06c19 (diff) | |
| download | lwn-fc1b6620501f1a4b88f583549c63666180bea177.tar.gz lwn-fc1b6620501f1a4b88f583549c63666180bea177.zip | |
iommu/amd: Move a few prototypes to include/linux/amd-iommu.h
A few functions that were intentended for the perf events support are
currently declared in arch/x86/events/amd/iommu.h, which mens they are
not in scope for the actual function definition. Also amdkfd has started
using a few of them using externs in a .c file. End that misery by
moving the prototypes to the proper header.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20210402143312.372386-5-hch@lst.de
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'include/linux/amd-iommu.h')
| -rw-r--r-- | include/linux/amd-iommu.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/amd-iommu.h b/include/linux/amd-iommu.h index 474065ed88a4..58e6c3806c09 100644 --- a/include/linux/amd-iommu.h +++ b/include/linux/amd-iommu.h @@ -10,6 +10,8 @@ #include <linux/types.h> +struct amd_iommu; + /* * This is mainly used to communicate information back-and-forth * between SVM and IOMMU for setting up and tearing down posted @@ -194,4 +196,14 @@ static inline int amd_iommu_deactivate_guest_mode(void *data) } #endif /* defined(CONFIG_AMD_IOMMU) && defined(CONFIG_IRQ_REMAP) */ +int amd_iommu_get_num_iommus(void); +bool amd_iommu_pc_supported(void); +u8 amd_iommu_pc_get_max_banks(unsigned int idx); +u8 amd_iommu_pc_get_max_counters(unsigned int idx); +int amd_iommu_pc_set_reg(struct amd_iommu *iommu, u8 bank, u8 cntr, u8 fxn, + u64 *value); +int amd_iommu_pc_get_reg(struct amd_iommu *iommu, u8 bank, u8 cntr, u8 fxn, + u64 *value); +struct amd_iommu *get_amd_iommu(unsigned int idx); + #endif /* _ASM_X86_AMD_IOMMU_H */ |