diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/hmm.h | 34 |
1 files changed, 6 insertions, 28 deletions
diff --git a/include/linux/hmm.h b/include/linux/hmm.h index 9f32586684c9..4f870f7017cb 100644 --- a/include/linux/hmm.h +++ b/include/linux/hmm.h @@ -341,29 +341,6 @@ static inline uint64_t hmm_device_entry_from_pfn(const struct hmm_range *range, struct hmm_mirror; /* - * enum hmm_update_event - type of update - * @HMM_UPDATE_INVALIDATE: invalidate range (no indication as to why) - */ -enum hmm_update_event { - HMM_UPDATE_INVALIDATE, -}; - -/* - * struct hmm_update - HMM update information for callback - * - * @start: virtual start address of the range to update - * @end: virtual end address of the range to update - * @event: event triggering the update (what is happening) - * @blockable: can the callback block/sleep ? - */ -struct hmm_update { - unsigned long start; - unsigned long end; - enum hmm_update_event event; - bool blockable; -}; - -/* * struct hmm_mirror_ops - HMM mirror device operations callback * * @update: callback to update range on a device @@ -383,9 +360,9 @@ struct hmm_mirror_ops { /* sync_cpu_device_pagetables() - synchronize page tables * * @mirror: pointer to struct hmm_mirror - * @update: update information (see struct hmm_update) - * Return: -EAGAIN if update.blockable false and callback need to - * block, 0 otherwise. + * @update: update information (see struct mmu_notifier_range) + * Return: -EAGAIN if mmu_notifier_range_blockable(update) is false + * and callback needs to block, 0 otherwise. * * This callback ultimately originates from mmu_notifiers when the CPU * page table is updated. The device driver must update its page table @@ -396,8 +373,9 @@ struct hmm_mirror_ops { * page tables are completely updated (TLBs flushed, etc); this is a * synchronous call. */ - int (*sync_cpu_device_pagetables)(struct hmm_mirror *mirror, - const struct hmm_update *update); + int (*sync_cpu_device_pagetables)( + struct hmm_mirror *mirror, + const struct mmu_notifier_range *update); }; /* |