arm64: Add missing includes for mem_encrypt

Doing:
 #include <linux/mem_encrypt.h>

Causes a bunch of compiler failures due to missing implicit includes that
don't happen on x86:

../arch/arm64/include/asm/rsi_cmds.h:117:2: error: call to undeclared library function 'memcpy' with type 'void *(void *, const void *, unsigned long)'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  117 |         memcpy(&regs.a1, challenge, size);

../arch/arm64/include/asm/mem_encrypt.h:19:49: warning: declaration of 'struct device' will not be visible outside of this function [-Wvisibility]
   19 | static inline bool force_dma_unencrypted(struct device *dev)

../arch/arm64/include/asm/rsi_cmds.h:44:38: error: call to undeclared function 'virt_to_phys'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
   44 |         arm_smccc_smc(SMC_RSI_REALM_CONFIG, virt_to_phys(cfg),

Add the missing includes to the arch/arm headers to avoid this.

Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/0-v1-47aadfbd64cd+25795-arm_memenc_h_jgg@nvidia.com
Signed-off-by: Will Deacon <will@kernel.org>

diff --git a/arch/arm64/include/asm/mem_encrypt.h b/arch/arm64/include/asm/mem_encrypt.h
index a2a1eeb36d4b5077e56fdd570739565b8ede2e3c..314b2b52025f87db0d2c0272856f00244c4ae411 100644 (file)
--- a/arch/arm64/include/asm/mem_encrypt.h
+++ b/arch/arm64/include/asm/mem_encrypt.h
@@ -4,6 +4,8 @@
 
 #include <asm/rsi.h>
 
+struct device;
+
 struct arm64_mem_crypt_ops {
        int (*encrypt)(unsigned long addr, int numpages);
        int (*decrypt)(unsigned long addr, int numpages);

diff --git a/arch/arm64/include/asm/rsi_cmds.h b/arch/arm64/include/asm/rsi_cmds.h
index e6a211001bd38edbb8fa3922b17ec59e6d12bbc4..2c8763876dfb773af2efcfea82f336eae2139086 100644 (file)
--- a/arch/arm64/include/asm/rsi_cmds.h
+++ b/arch/arm64/include/asm/rsi_cmds.h
@@ -7,6 +7,8 @@
 #define __ASM_RSI_CMDS_H
 
 #include <linux/arm-smccc.h>
+#include <linux/string.h>
+#include <asm/memory.h>
 
 #include <asm/rsi_smc.h>