[PATCH v1 7/7] kselftest/arm64: mte: add more test types

From: Joey Gouly <joey.gouly@arm.com>
To: <linux-arm-kernel@lists.infradead.org>
Cc: <broonie@kernel.org>, <nd@arm.com>, <catalin.marinas@arm.com>,
	<joey.gouly@arm.com>, <will@kernel.org>
Subject: [PATCH v1 7/7] kselftest/arm64: mte: add more test types
Date: Tue, 25 Jan 2022 15:09:20 +0000	[thread overview]
Message-ID: <20220125150920.23955-8-joey.gouly@arm.com> (raw)
In-Reply-To: <20220125150920.23955-1-joey.gouly@arm.com>

Add test support for write, readv, and writev.

Signed-off-by: Joey Gouly <joey.gouly@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
---
 .../selftests/arm64/mte/check_user_mem.c      | 23 ++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/arm64/mte/check_user_mem.c b/tools/testing/selftests/arm64/mte/check_user_mem.c
index d104feab4e86..df4c8d8c9c17 100644
--- a/tools/testing/selftests/arm64/mte/check_user_mem.c
+++ b/tools/testing/selftests/arm64/mte/check_user_mem.c
@@ -11,6 +11,7 @@
 #include <string.h>
 #include <ucontext.h>
 #include <unistd.h>
+#include <sys/uio.h>
 #include <sys/mman.h>
 
 #include "kselftest.h"
@@ -21,6 +22,9 @@ static size_t page_sz;
 
 enum test_type {
 	READ_TEST,
+	WRITE_TEST,
+	READV_TEST,
+	WRITEV_TEST,
 	LAST_TEST,
 };
 
@@ -85,6 +89,23 @@ static int check_usermem_access_fault_helper(int mem_type, int mode, int mapping
 				case READ_TEST:
 					syscall_len = read(fd, ptr + ptroff, size);
 					break;
+				case WRITE_TEST:
+					syscall_len = write(fd, ptr + ptroff, size);
+					break;
+				case READV_TEST: {
+					struct iovec iov[1];
+					iov[0].iov_base = ptr + ptroff;
+					iov[0].iov_len = size;
+					syscall_len = readv(fd, iov, 1);
+					break;
+				}
+				case WRITEV_TEST: {
+					struct iovec iov[1];
+					iov[0].iov_base = ptr + ptroff;
+					iov[0].iov_len = size;
+					syscall_len = writev(fd, iov, 1);
+					break;
+				}
 				case LAST_TEST:
 					goto usermem_acc_err;
 				}
@@ -140,7 +161,7 @@ int main(int argc, char *argv[])
 	mte_register_signal(SIGSEGV, mte_default_handler);
 
 	/* Set test plan */
-	ksft_set_plan(9);
+	ksft_set_plan(36);
 
 	for (t = 0; t < LAST_TEST; t++) {
 		evaluate_test(check_usermem_access_fault(USE_MMAP, MTE_SYNC_ERR, MAP_PRIVATE, page_sz, t),
-- 
2.17.1


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