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Date: Sun, 21 Jul 2019 23:20:08 +0900
From: Masahiro Yamada <yamada.masahiro@...ionext.com>
To: Heiko Carstens <heiko.carstens@...ibm.com>,
Vasily Gorbik <gor@...ux.ibm.com>,
Christian Borntraeger <borntraeger@...ibm.com>,
linux-s390@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Arnd Bergmann <arnd@...db.de>,
Masahiro Yamada <yamada.masahiro@...ionext.com>,
Harald Freudenberger <freude@...ux.ibm.com>,
Martin Schwidefsky <schwidefsky@...ibm.com>,
linux-kernel@...r.kernel.org
Subject: [PATCH] s390: use __u{16,32,64} instead of uint{16,32,64}_t in uapi header
When CONFIG_UAPI_HEADER_TEST=y, exported headers are compile-tested to
make sure they can be included from user-space.
Currently, zcrypt.h is excluded from the test coverage. To make it
join the compile-test, we need to fix the build errors attached below.
For a case like this, we decided to use __u{8,16,32,64} variable types
in this discussion:
https://lkml.org/lkml/2019/6/5/18
Build log:
CC usr/include/asm/zcrypt.h.s
In file included from <command-line>:32:0:
./usr/include/asm/zcrypt.h:163:2: error: unknown type name ‘uint16_t’
uint16_t cprb_len;
^~~~~~~~
./usr/include/asm/zcrypt.h:168:2: error: unknown type name ‘uint32_t’
uint32_t source_id;
^~~~~~~~
./usr/include/asm/zcrypt.h:169:2: error: unknown type name ‘uint32_t’
uint32_t target_id;
^~~~~~~~
./usr/include/asm/zcrypt.h:170:2: error: unknown type name ‘uint32_t’
uint32_t ret_code;
^~~~~~~~
./usr/include/asm/zcrypt.h:171:2: error: unknown type name ‘uint32_t’
uint32_t reserved1;
^~~~~~~~
./usr/include/asm/zcrypt.h:172:2: error: unknown type name ‘uint32_t’
uint32_t reserved2;
^~~~~~~~
./usr/include/asm/zcrypt.h:173:2: error: unknown type name ‘uint32_t’
uint32_t payload_len;
^~~~~~~~
./usr/include/asm/zcrypt.h:182:2: error: unknown type name ‘uint16_t’
uint16_t ap_id;
^~~~~~~~
./usr/include/asm/zcrypt.h:183:2: error: unknown type name ‘uint16_t’
uint16_t dom_id;
^~~~~~~~
./usr/include/asm/zcrypt.h:198:2: error: unknown type name ‘uint16_t’
uint16_t targets_num;
^~~~~~~~
./usr/include/asm/zcrypt.h:199:2: error: unknown type name ‘uint64_t’
uint64_t targets;
^~~~~~~~
./usr/include/asm/zcrypt.h:200:2: error: unknown type name ‘uint64_t’
uint64_t weight;
^~~~~~~~
./usr/include/asm/zcrypt.h:201:2: error: unknown type name ‘uint64_t’
uint64_t req_no;
^~~~~~~~
./usr/include/asm/zcrypt.h:202:2: error: unknown type name ‘uint64_t’
uint64_t req_len;
^~~~~~~~
./usr/include/asm/zcrypt.h:203:2: error: unknown type name ‘uint64_t’
uint64_t req;
^~~~~~~~
./usr/include/asm/zcrypt.h:204:2: error: unknown type name ‘uint64_t’
uint64_t resp_len;
^~~~~~~~
./usr/include/asm/zcrypt.h:205:2: error: unknown type name ‘uint64_t’
uint64_t resp;
^~~~~~~~
Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
---
arch/s390/include/uapi/asm/zcrypt.h | 35 +++++++++++++++--------------
1 file changed, 18 insertions(+), 17 deletions(-)
diff --git a/arch/s390/include/uapi/asm/zcrypt.h b/arch/s390/include/uapi/asm/zcrypt.h
index 494c34c50716..8c5755f41dde 100644
--- a/arch/s390/include/uapi/asm/zcrypt.h
+++ b/arch/s390/include/uapi/asm/zcrypt.h
@@ -20,6 +20,7 @@
#include <linux/ioctl.h>
#include <linux/compiler.h>
+#include <linux/types.h>
/* Name of the zcrypt device driver. */
#define ZCRYPT_NAME "zcrypt"
@@ -160,17 +161,17 @@ struct ica_xcRB {
* @payload_len: Payload length
*/
struct ep11_cprb {
- uint16_t cprb_len;
+ __u16 cprb_len;
unsigned char cprb_ver_id;
unsigned char pad_000[2];
unsigned char flags;
unsigned char func_id[2];
- uint32_t source_id;
- uint32_t target_id;
- uint32_t ret_code;
- uint32_t reserved1;
- uint32_t reserved2;
- uint32_t payload_len;
+ __u32 source_id;
+ __u32 target_id;
+ __u32 ret_code;
+ __u32 reserved1;
+ __u32 reserved2;
+ __u32 payload_len;
} __attribute__((packed));
/**
@@ -179,8 +180,8 @@ struct ep11_cprb {
* @dom_id: Usage domain id
*/
struct ep11_target_dev {
- uint16_t ap_id;
- uint16_t dom_id;
+ __u16 ap_id;
+ __u16 dom_id;
};
/**
@@ -195,14 +196,14 @@ struct ep11_target_dev {
* @resp: Addr to response block
*/
struct ep11_urb {
- uint16_t targets_num;
- uint64_t targets;
- uint64_t weight;
- uint64_t req_no;
- uint64_t req_len;
- uint64_t req;
- uint64_t resp_len;
- uint64_t resp;
+ __u16 targets_num;
+ __u64 targets;
+ __u64 weight;
+ __u64 req_no;
+ __u64 req_len;
+ __u64 req;
+ __u64 resp_len;
+ __u64 resp;
} __attribute__((packed));
/**
--
2.17.1
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