diff options
Diffstat (limited to 'tools/testing/selftests/powerpc/vphn')
| -rw-r--r-- | tools/testing/selftests/powerpc/vphn/.gitignore | 2 | ||||
| -rw-r--r-- | tools/testing/selftests/powerpc/vphn/Makefile | 10 | ||||
| l--------- | tools/testing/selftests/powerpc/vphn/asm/lppaca.h | 1 | ||||
| -rw-r--r-- | tools/testing/selftests/powerpc/vphn/test-vphn.c | 411 | ||||
| l--------- | tools/testing/selftests/powerpc/vphn/vphn.c | 1 |
5 files changed, 425 insertions, 0 deletions
diff --git a/tools/testing/selftests/powerpc/vphn/.gitignore b/tools/testing/selftests/powerpc/vphn/.gitignore new file mode 100644 index 000000000..b744aedfd --- /dev/null +++ b/tools/testing/selftests/powerpc/vphn/.gitignore @@ -0,0 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0-only +test-vphn diff --git a/tools/testing/selftests/powerpc/vphn/Makefile b/tools/testing/selftests/powerpc/vphn/Makefile new file mode 100644 index 000000000..cf65cbf33 --- /dev/null +++ b/tools/testing/selftests/powerpc/vphn/Makefile @@ -0,0 +1,10 @@ +# SPDX-License-Identifier: GPL-2.0-only +TEST_GEN_PROGS := test-vphn + +CFLAGS += -m64 -I$(CURDIR) + +top_srcdir = ../../../../.. +include ../../lib.mk + +$(TEST_GEN_PROGS): ../harness.c + diff --git a/tools/testing/selftests/powerpc/vphn/asm/lppaca.h b/tools/testing/selftests/powerpc/vphn/asm/lppaca.h new file mode 120000 index 000000000..942b1d009 --- /dev/null +++ b/tools/testing/selftests/powerpc/vphn/asm/lppaca.h @@ -0,0 +1 @@ +../../../../../../arch/powerpc/include/asm/lppaca.h
\ No newline at end of file diff --git a/tools/testing/selftests/powerpc/vphn/test-vphn.c b/tools/testing/selftests/powerpc/vphn/test-vphn.c new file mode 100644 index 000000000..81d3069ff --- /dev/null +++ b/tools/testing/selftests/powerpc/vphn/test-vphn.c @@ -0,0 +1,411 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <stdio.h> +#include <byteswap.h> +#include "utils.h" +#include "subunit.h" + +#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ +#define cpu_to_be32(x) bswap_32(x) +#define be32_to_cpu(x) bswap_32(x) +#define be16_to_cpup(x) bswap_16(*x) +#define cpu_to_be64(x) bswap_64(x) +#else +#define cpu_to_be32(x) (x) +#define be32_to_cpu(x) (x) +#define be16_to_cpup(x) (*x) +#define cpu_to_be64(x) (x) +#endif + +#include "vphn.c" + +static struct test { + char *descr; + long input[VPHN_REGISTER_COUNT]; + u32 expected[VPHN_ASSOC_BUFSIZE]; +} all_tests[] = { + { + "vphn: no data", + { + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + }, + { + 0x00000000 + } + }, + { + "vphn: 1 x 16-bit value", + { + 0x8001ffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + }, + { + 0x00000001, + 0x00000001 + } + }, + { + "vphn: 2 x 16-bit values", + { + 0x80018002ffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + }, + { + 0x00000002, + 0x00000001, + 0x00000002 + } + }, + { + "vphn: 3 x 16-bit values", + { + 0x800180028003ffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + }, + { + 0x00000003, + 0x00000001, + 0x00000002, + 0x00000003 + } + }, + { + "vphn: 4 x 16-bit values", + { + 0x8001800280038004, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + }, + { + 0x00000004, + 0x00000001, + 0x00000002, + 0x00000003, + 0x00000004 + } + }, + { + /* Parsing the next 16-bit value out of the next 64-bit input + * value. + */ + "vphn: 5 x 16-bit values", + { + 0x8001800280038004, + 0x8005ffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + }, + { + 0x00000005, + 0x00000001, + 0x00000002, + 0x00000003, + 0x00000004, + 0x00000005 + } + }, + { + /* Parse at most 6 x 64-bit input values */ + "vphn: 24 x 16-bit values", + { + 0x8001800280038004, + 0x8005800680078008, + 0x8009800a800b800c, + 0x800d800e800f8010, + 0x8011801280138014, + 0x8015801680178018 + }, + { + 0x00000018, + 0x00000001, + 0x00000002, + 0x00000003, + 0x00000004, + 0x00000005, + 0x00000006, + 0x00000007, + 0x00000008, + 0x00000009, + 0x0000000a, + 0x0000000b, + 0x0000000c, + 0x0000000d, + 0x0000000e, + 0x0000000f, + 0x00000010, + 0x00000011, + 0x00000012, + 0x00000013, + 0x00000014, + 0x00000015, + 0x00000016, + 0x00000017, + 0x00000018 + } + }, + { + "vphn: 1 x 32-bit value", + { + 0x00000001ffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff + }, + { + 0x00000001, + 0x00000001 + } + }, + { + "vphn: 2 x 32-bit values", + { + 0x0000000100000002, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff + }, + { + 0x00000002, + 0x00000001, + 0x00000002 + } + }, + { + /* Parsing the next 32-bit value out of the next 64-bit input + * value. + */ + "vphn: 3 x 32-bit values", + { + 0x0000000100000002, + 0x00000003ffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff + }, + { + 0x00000003, + 0x00000001, + 0x00000002, + 0x00000003 + } + }, + { + /* Parse at most 6 x 64-bit input values */ + "vphn: 12 x 32-bit values", + { + 0x0000000100000002, + 0x0000000300000004, + 0x0000000500000006, + 0x0000000700000008, + 0x000000090000000a, + 0x0000000b0000000c + }, + { + 0x0000000c, + 0x00000001, + 0x00000002, + 0x00000003, + 0x00000004, + 0x00000005, + 0x00000006, + 0x00000007, + 0x00000008, + 0x00000009, + 0x0000000a, + 0x0000000b, + 0x0000000c + } + }, + { + "vphn: 16-bit value followed by 32-bit value", + { + 0x800100000002ffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff + }, + { + 0x00000002, + 0x00000001, + 0x00000002 + } + }, + { + "vphn: 32-bit value followed by 16-bit value", + { + 0x000000018002ffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff + }, + { + 0x00000002, + 0x00000001, + 0x00000002 + } + }, + { + /* Parse a 32-bit value split accross two consecutives 64-bit + * input values. + */ + "vphn: 16-bit value followed by 2 x 32-bit values", + { + 0x8001000000020000, + 0x0003ffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff + }, + { + 0x00000003, + 0x00000001, + 0x00000002, + 0x00000003, + 0x00000004, + 0x00000005 + } + }, + { + /* The lower bits in 0x0001ffff don't get mixed up with the + * 0xffff terminator. + */ + "vphn: 32-bit value has all ones in 16 lower bits", + { + 0x0001ffff80028003, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff, + 0xffffffffffffffff + }, + { + 0x00000003, + 0x0001ffff, + 0x00000002, + 0x00000003 + } + }, + { + /* The following input doesn't follow the specification. + */ + "vphn: last 32-bit value is truncated", + { + 0x0000000100000002, + 0x0000000300000004, + 0x0000000500000006, + 0x0000000700000008, + 0x000000090000000a, + 0x0000000b800c2bad + }, + { + 0x0000000c, + 0x00000001, + 0x00000002, + 0x00000003, + 0x00000004, + 0x00000005, + 0x00000006, + 0x00000007, + 0x00000008, + 0x00000009, + 0x0000000a, + 0x0000000b, + 0x0000000c + } + }, + { + "vphn: garbage after terminator", + { + 0xffff2bad2bad2bad, + 0x2bad2bad2bad2bad, + 0x2bad2bad2bad2bad, + 0x2bad2bad2bad2bad, + 0x2bad2bad2bad2bad, + 0x2bad2bad2bad2bad + }, + { + 0x00000000 + } + }, + { + NULL + } +}; + +static int test_one(struct test *test) +{ + __be32 output[VPHN_ASSOC_BUFSIZE] = { 0 }; + int i, len; + + vphn_unpack_associativity(test->input, output); + + len = be32_to_cpu(output[0]); + if (len != test->expected[0]) { + printf("expected %d elements, got %d\n", test->expected[0], + len); + return 1; + } + + for (i = 1; i < len; i++) { + u32 val = be32_to_cpu(output[i]); + if (val != test->expected[i]) { + printf("element #%d is 0x%x, should be 0x%x\n", i, val, + test->expected[i]); + return 1; + } + } + + return 0; +} + +static int test_vphn(void) +{ + static struct test *test; + + for (test = all_tests; test->descr; test++) { + int ret; + + ret = test_one(test); + test_finish(test->descr, ret); + if (ret) + return ret; + } + + return 0; +} + +int main(int argc, char **argv) +{ + return test_harness(test_vphn, "test-vphn"); +} diff --git a/tools/testing/selftests/powerpc/vphn/vphn.c b/tools/testing/selftests/powerpc/vphn/vphn.c new file mode 120000 index 000000000..5b5fbddcc --- /dev/null +++ b/tools/testing/selftests/powerpc/vphn/vphn.c @@ -0,0 +1 @@ +../../../../../arch/powerpc/platforms/pseries/vphn.c
\ No newline at end of file |