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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2022-08-02 10:06:12 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2022-08-02 10:06:12 -0700
commit8bb5e7f4dcd9b9ef22a3ea25c9066a8a968f12dd (patch)
tree0f1383880607a227142f9388a066959926233ff1 /include/linux/iova.h
parent2a96271fb66c499e4a89d76a89d3d01170c10bef (diff)
parent7c744d00990ea999d27f306f6db5ccb61b1304b2 (diff)
Merge branch 'next' into for-linus
Prepare input updates for 5.20 (or 6.0) merge window.
Diffstat (limited to 'include/linux/iova.h')
-rw-r--r--include/linux/iova.h15
1 files changed, 3 insertions, 12 deletions
diff --git a/include/linux/iova.h b/include/linux/iova.h
index cea79cb9f26c..320a70e40233 100644
--- a/include/linux/iova.h
+++ b/include/linux/iova.h
@@ -21,18 +21,8 @@ struct iova {
unsigned long pfn_lo; /* Lowest allocated pfn */
};
-struct iova_magazine;
-struct iova_cpu_rcache;
-#define IOVA_RANGE_CACHE_MAX_SIZE 6 /* log of max cached IOVA range size (in pages) */
-#define MAX_GLOBAL_MAGS 32 /* magazines per bin */
-
-struct iova_rcache {
- spinlock_t lock;
- unsigned long depot_size;
- struct iova_magazine *depot[MAX_GLOBAL_MAGS];
- struct iova_cpu_rcache __percpu *cpu_rcaches;
-};
+struct iova_rcache;
/* holds all the iova translations for a domain */
struct iova_domain {
@@ -46,7 +36,7 @@ struct iova_domain {
unsigned long max32_alloc_size; /* Size of last failed allocation */
struct iova anchor; /* rbtree lookup anchor */
- struct iova_rcache rcaches[IOVA_RANGE_CACHE_MAX_SIZE]; /* IOVA range caches */
+ struct iova_rcache *rcaches;
struct hlist_node cpuhp_dead;
};
@@ -102,6 +92,7 @@ struct iova *reserve_iova(struct iova_domain *iovad, unsigned long pfn_lo,
unsigned long pfn_hi);
void init_iova_domain(struct iova_domain *iovad, unsigned long granule,
unsigned long start_pfn);
+int iova_domain_init_rcaches(struct iova_domain *iovad);
struct iova *find_iova(struct iova_domain *iovad, unsigned long pfn);
void put_iova_domain(struct iova_domain *iovad);
#else