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path: root/drivers/misc/cxl/cxl.h
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Diffstat (limited to 'drivers/misc/cxl/cxl.h')
-rw-r--r--drivers/misc/cxl/cxl.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/misc/cxl/cxl.h b/drivers/misc/cxl/cxl.h
index b5b6bda44a00..28078f8894a5 100644
--- a/drivers/misc/cxl/cxl.h
+++ b/drivers/misc/cxl/cxl.h
@@ -351,7 +351,7 @@ struct cxl_afu {
struct device *chardev_s, *chardev_m, *chardev_d;
struct idr contexts_idr;
struct dentry *debugfs;
- spinlock_t contexts_lock;
+ struct mutex contexts_lock;
struct mutex spa_mutex;
spinlock_t afu_cntl_lock;
@@ -398,6 +398,10 @@ struct cxl_context {
phys_addr_t psn_phys;
u64 psn_size;
+ /* Used to unmap any mmaps when force detaching */
+ struct address_space *mapping;
+ struct mutex mapping_lock;
+
spinlock_t sste_lock; /* Protects segment table entries */
struct cxl_sste *sstp;
u64 sstp0, sstp1;
@@ -599,7 +603,8 @@ int cxl_alloc_sst(struct cxl_context *ctx);
void init_cxl_native(void);
struct cxl_context *cxl_context_alloc(void);
-int cxl_context_init(struct cxl_context *ctx, struct cxl_afu *afu, bool master);
+int cxl_context_init(struct cxl_context *ctx, struct cxl_afu *afu, bool master,
+ struct address_space *mapping);
void cxl_context_free(struct cxl_context *ctx);
int cxl_context_iomap(struct cxl_context *ctx, struct vm_area_struct *vma);