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authorThomas Zimmermann <tzimmermann@suse.de>2025-04-07 13:47:40 +0200
committerThomas Zimmermann <tzimmermann@suse.de>2025-04-07 14:35:48 +0200
commit1afba39f9305fe4061a4e70baa6ebab9d41459da (patch)
tree67e7ed686bd75adc559025870151c4de6d649ced /include/linux/mem_encrypt.h
parentfbe43810d563a293e3de301141d33caf1f5d5c5a (diff)
parent0af2f6be1b4281385b618cb86ad946eded089ac8 (diff)
Merge drm/drm-next into drm-misc-next
Backmerging to get v6.15-rc1 into drm-misc-next. Also fixes a build issue when enabling CONFIG_DRM_SCHED_KUNIT_TEST. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'include/linux/mem_encrypt.h')
-rw-r--r--include/linux/mem_encrypt.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/include/linux/mem_encrypt.h b/include/linux/mem_encrypt.h
index ae4526389261..07584c5e36fb 100644
--- a/include/linux/mem_encrypt.h
+++ b/include/linux/mem_encrypt.h
@@ -26,11 +26,34 @@
*/
#define __sme_set(x) ((x) | sme_me_mask)
#define __sme_clr(x) ((x) & ~sme_me_mask)
+
+#define dma_addr_encrypted(x) __sme_set(x)
+#define dma_addr_canonical(x) __sme_clr(x)
+
#else
#define __sme_set(x) (x)
#define __sme_clr(x) (x)
#endif
+/*
+ * dma_addr_encrypted() and dma_addr_unencrypted() are for converting a given DMA
+ * address to the respective type of addressing.
+ *
+ * dma_addr_canonical() is used to reverse any conversions for encrypted/decrypted
+ * back to the canonical address.
+ */
+#ifndef dma_addr_encrypted
+#define dma_addr_encrypted(x) (x)
+#endif
+
+#ifndef dma_addr_unencrypted
+#define dma_addr_unencrypted(x) (x)
+#endif
+
+#ifndef dma_addr_canonical
+#define dma_addr_canonical(x) (x)
+#endif
+
#endif /* __ASSEMBLY__ */
#endif /* __MEM_ENCRYPT_H__ */