Message ID | 20180420173406.485815-3-tom.hromatka@oracle.com |
---|---|
State | Superseded |
Delegated to: | David Miller |
Headers | show |
Series | sparc64: Add privileged ADI driver | expand |
Tom, you used the wrong GPL license header. Please fix that to be v2 not v3. The +# SPDX-License-Identifier: GPL-2.0 is correct but the adi-test.c one is not. On 04/20/2018 10:34 AM, Tom Hromatka wrote: > Add a selftest for the sparc64 privileged ADI driver. These > tests verify the read(), pread(), write(), pwrite(), and seek() > functionality of the driver. The tests also report simple > performance statistics: > > Syscall Call AvgTime AvgSize > Count (ticks) (bytes) > ------------------------------- > read 3 119638 8133 > pread 4 118164 6741 > write 3 339442 8133 > pwrite 4 280134 6741 > seek 10 2919 0 > Pass 8 Fail 0 Xfail 0 Xpass 0 Skip 0 Error 0 > > Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com> > Reviewed-by: Allen Pais <allen.pais@oracle.com> > --- > tools/testing/selftests/Makefile | 1 + > tools/testing/selftests/sparc64/Makefile | 46 ++ > tools/testing/selftests/sparc64/drivers/.gitignore | 1 + > tools/testing/selftests/sparc64/drivers/Makefile | 15 + > tools/testing/selftests/sparc64/drivers/adi-test.c | 732 +++++++++++++++++++++ > .../selftests/sparc64/drivers/drivers_test.sh | 30 + > tools/testing/selftests/sparc64/run.sh | 3 + > 7 files changed, 828 insertions(+) > create mode 100644 tools/testing/selftests/sparc64/Makefile > create mode 100644 tools/testing/selftests/sparc64/drivers/.gitignore > create mode 100644 tools/testing/selftests/sparc64/drivers/Makefile > create mode 100644 tools/testing/selftests/sparc64/drivers/adi-test.c > create mode 100755 tools/testing/selftests/sparc64/drivers/drivers_test.sh > create mode 100755 tools/testing/selftests/sparc64/run.sh > > diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile > index 7442dfb73b7f..94da632579e7 100644 > --- a/tools/testing/selftests/Makefile > +++ b/tools/testing/selftests/Makefile > @@ -28,6 +28,7 @@ TARGETS += ptrace > TARGETS += seccomp > TARGETS += sigaltstack > TARGETS += size > +TARGETS += sparc64 > TARGETS += splice > TARGETS += static_keys > TARGETS += sync > diff --git a/tools/testing/selftests/sparc64/Makefile b/tools/testing/selftests/sparc64/Makefile > new file mode 100644 > index 000000000000..2082eeffd779 > --- /dev/null > +++ b/tools/testing/selftests/sparc64/Makefile > @@ -0,0 +1,46 @@ > +SUBDIRS := drivers > + > +TEST_PROGS := run.sh > + > +.PHONY: all clean > + > +include ../lib.mk > + > +all: > + @for DIR in $(SUBDIRS); do \ > + BUILD_TARGET=$(OUTPUT)/$$DIR; \ > + mkdir $$BUILD_TARGET -p; \ > + make OUTPUT=$$BUILD_TARGET -C $$DIR $@;\ > + #SUBDIR test prog name should be in the form: SUBDIR_test.sh \ > + TEST=$$DIR"_test.sh"; \ > + if [ -e $$DIR/$$TEST ]; then \ > + rsync -a $$DIR/$$TEST $$BUILD_TARGET/; \ > + fi \ > + done > + > +override define RUN_TESTS > + @cd $(OUTPUT); ./run.sh > +endef > + > +override define INSTALL_RULE > + mkdir -p $(INSTALL_PATH) > + install -t $(INSTALL_PATH) $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES) > + > + @for SUBDIR in $(SUBDIRS); do \ > + BUILD_TARGET=$(OUTPUT)/$$SUBDIR; \ > + mkdir $$BUILD_TARGET -p; \ > + $(MAKE) OUTPUT=$$BUILD_TARGET -C $$SUBDIR INSTALL_PATH=$(INSTALL_PATH)/$$SUBDIR install; \ > + done; > +endef > + > +override define EMIT_TESTS > + echo "./run.sh" > +endef > + > +override define CLEAN > + @for DIR in $(SUBDIRS); do \ > + BUILD_TARGET=$(OUTPUT)/$$DIR; \ > + mkdir $$BUILD_TARGET -p; \ > + make OUTPUT=$$BUILD_TARGET -C $$DIR $@;\ > + done > +endef > diff --git a/tools/testing/selftests/sparc64/drivers/.gitignore b/tools/testing/selftests/sparc64/drivers/.gitignore > new file mode 100644 > index 000000000000..90e835ed74e6 > --- /dev/null > +++ b/tools/testing/selftests/sparc64/drivers/.gitignore > @@ -0,0 +1 @@ > +adi-test > diff --git a/tools/testing/selftests/sparc64/drivers/Makefile b/tools/testing/selftests/sparc64/drivers/Makefile > new file mode 100644 > index 000000000000..6264f40bbdbc > --- /dev/null > +++ b/tools/testing/selftests/sparc64/drivers/Makefile > @@ -0,0 +1,15 @@ > + > +INCLUDEDIR := -I. > +CFLAGS := $(CFLAGS) $(INCLUDEDIR) -Wall -O2 -g > + > +TEST_GEN_FILES := adi-test > + > +all: $(TEST_GEN_FILES) > + > +$(TEST_GEN_FILES): adi-test.c > + > +TEST_PROGS := drivers_test.sh > + > +include ../../lib.mk > + > +$(OUTPUT)/adi-test: adi-test.c > diff --git a/tools/testing/selftests/sparc64/drivers/adi-test.c b/tools/testing/selftests/sparc64/drivers/adi-test.c > new file mode 100644 > index 000000000000..22ffd06fba24 > --- /dev/null > +++ b/tools/testing/selftests/sparc64/drivers/adi-test.c > @@ -0,0 +1,732 @@ > +/* > + * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved. > + * Author: Tom Hromatka <tom.hromatka@oracle.com> > + * > + * This program is free software: you can redistribute it and/or modify > + * it under the terms of the GNU General Public License as published by > + * the Free Software Foundation, either version 3 of the License, or > + * (at your option) any later version. > + * > + * This program is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > + * GNU General Public License for more details. > + * > + * You should have received a copy of the GNU General Public License > + * along with this program. If not, see <http://www.gnu.org/licenses/>. > + */ > +#include <linux/kernel.h> > +#include <errno.h> > +#include <fcntl.h> > +#include <stdarg.h> > +#include <stdio.h> > +#include <stdlib.h> > +#include <string.h> > +#include <sys/syscall.h> > +#include <sys/types.h> > +#include <sys/stat.h> > +#include <unistd.h> > + > +#include "../../kselftest.h" > + > +#define DEBUG_LEVEL_1_BIT (0x0001) > +#define DEBUG_LEVEL_2_BIT (0x0002) > +#define DEBUG_LEVEL_3_BIT (0x0004) > +#define DEBUG_LEVEL_4_BIT (0x0008) > +#define DEBUG_TIMING_BIT (0x1000) > + > +#ifndef ARRAY_SIZE > +# define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) > +#endif > + > +/* bit mask of enabled bits to print */ > +#define DEBUG 0x0001 > + > +#define DEBUG_PRINT_L1(...) debug_print(DEBUG_LEVEL_1_BIT, __VA_ARGS__) > +#define DEBUG_PRINT_L2(...) debug_print(DEBUG_LEVEL_2_BIT, __VA_ARGS__) > +#define DEBUG_PRINT_L3(...) debug_print(DEBUG_LEVEL_3_BIT, __VA_ARGS__) > +#define DEBUG_PRINT_L4(...) debug_print(DEBUG_LEVEL_4_BIT, __VA_ARGS__) > +#define DEBUG_PRINT_T(...) debug_print(DEBUG_TIMING_BIT, __VA_ARGS__) > + > +static void debug_print(int level, const char *s, ...) > +{ > + va_list args; > + > + va_start(args, s); > + > + if (DEBUG & level) > + vfprintf(stdout, s, args); > + va_end(args); > +} > + > +#ifndef min > +#define min(x, y) ((x) < (y) ? x : y) > +#endif > + > +#define RETURN_FROM_TEST(_ret) \ > + do { \ > + DEBUG_PRINT_L1( \ > + "\tTest %s returned %d\n", __func__, _ret); \ > + return _ret; \ > + } while (0) > + > +#define ADI_BLKSZ 64 > +#define ADI_MAX_VERSION 15 > + > +#define TEST_STEP_FAILURE(_ret) \ > + do { \ > + fprintf(stderr, "\tTest step failure: %d at %s:%d\n", \ > + _ret, __func__, __LINE__); \ > + goto out; \ > + } while (0) > + > +#define RDTICK(_x) \ > + asm volatile(" rd %%tick, %0\n" : "=r" (_x)) > + > +static int random_version(void) > +{ > + long tick; > + > + RDTICK(tick); > + > + return tick % (ADI_MAX_VERSION + 1); > +} > + > +#define MAX_RANGES_SUPPORTED 5 > +static const char system_ram_str[] = "System RAM\n"; > +static int range_count; > +static unsigned long long int start_addr[MAX_RANGES_SUPPORTED]; > +static unsigned long long int end_addr[MAX_RANGES_SUPPORTED]; > + > +struct stats { > + char name[16]; > + unsigned long total; > + unsigned long count; > + unsigned long bytes; > +}; > + > +static struct stats read_stats = { > + .name = "read", .total = 0, .count = 0, .bytes = 0}; > +static struct stats pread_stats = { > + .name = "pread", .total = 0, .count = 0, .bytes = 0}; > +static struct stats write_stats = { > + .name = "write", .total = 0, .count = 0, .bytes = 0}; > +static struct stats pwrite_stats = { > + .name = "pwrite", .total = 0, .count = 0, .bytes = 0}; > +static struct stats seek_stats = { > + .name = "seek", .total = 0, .count = 0, .bytes = 0}; > + > +static void update_stats(struct stats * const ustats, > + unsigned long measurement, unsigned long bytes) > +{ > + ustats->total += measurement; > + ustats->bytes += bytes; > + ustats->count++; > +} > + > +static void print_ustats(const struct stats * const ustats) > +{ > + DEBUG_PRINT_L1("%s\t%7d\t%7.0f\t%7.0f\n", > + ustats->name, ustats->count, > + (float)ustats->total / (float)ustats->count, > + (float)ustats->bytes / (float)ustats->count); > +} > + > +static void print_stats(void) > +{ > + DEBUG_PRINT_L1("\nSyscall\tCall\tAvgTime\tAvgSize\n" > + "\tCount\t(ticks)\t(bytes)\n" > + "-------------------------------\n"); > + > + print_ustats(&read_stats); > + print_ustats(&pread_stats); > + print_ustats(&write_stats); > + print_ustats(&pwrite_stats); > + print_ustats(&seek_stats); > +} > + > +static int build_memory_map(void) > +{ > + char line[256]; > + FILE *fp; > + int i; > + > + range_count = 0; > + > + fp = fopen("/proc/iomem", "r"); > + if (!fp) { > + fprintf(stderr, "/proc/iomem: error %d: %s\n", > + errno, strerror(errno)); > + return -errno; > + } > + > + while (fgets(line, sizeof(line), fp) != 0) { > + if (strstr(line, system_ram_str)) { > + char *dash, *end_ptr; > + > + /* Given a line like this: > + * d0400000-10ffaffff : System RAM > + * replace the "-" with a space > + */ > + dash = strstr(line, "-"); > + dash[0] = 0x20; > + > + start_addr[range_count] = strtoull(line, &end_ptr, 16); > + end_addr[range_count] = strtoull(end_ptr, NULL, 16); > + range_count++; > + } > + } > + > + fclose(fp); > + > + DEBUG_PRINT_L1("RAM Ranges\n"); > + for (i = 0; i < range_count; i++) > + DEBUG_PRINT_L1("\trange %d: 0x%llx\t- 0x%llx\n", > + i, start_addr[i], end_addr[i]); > + > + if (range_count == 0) { > + fprintf(stderr, "No valid address ranges found. Error.\n"); > + return -1; > + } > + > + return 0; > +} > + > +static int read_adi(int fd, unsigned char *buf, int buf_sz) > +{ > + int ret, bytes_read = 0; > + long start, end, elapsed_time = 0; > + > + do { > + RDTICK(start); > + ret = read(fd, buf + bytes_read, buf_sz - bytes_read); > + RDTICK(end); > + if (ret < 0) > + return -errno; > + > + elapsed_time += end - start; > + update_stats(&read_stats, elapsed_time, buf_sz); > + bytes_read += ret; > + > + } while (bytes_read < buf_sz); > + > + DEBUG_PRINT_T("\tread elapsed timed = %ld\n", elapsed_time); > + DEBUG_PRINT_L3("\tRead %d bytes\n", bytes_read); > + > + return bytes_read; > +} > + > +static int pread_adi(int fd, unsigned char *buf, > + int buf_sz, unsigned long offset) > +{ > + int ret, i, bytes_read = 0; > + unsigned long cur_offset; > + long start, end, elapsed_time = 0; > + > + cur_offset = offset; > + do { > + RDTICK(start); > + ret = pread(fd, buf + bytes_read, buf_sz - bytes_read, > + cur_offset); > + RDTICK(end); > + if (ret < 0) > + return -errno; > + > + elapsed_time += end - start; > + update_stats(&pread_stats, elapsed_time, buf_sz); > + bytes_read += ret; > + cur_offset += ret; > + > + } while (bytes_read < buf_sz); > + > + DEBUG_PRINT_T("\tpread elapsed timed = %ld\n", elapsed_time); > + DEBUG_PRINT_L3("\tRead %d bytes starting at offset 0x%lx\n", > + bytes_read, offset); > + for (i = 0; i < bytes_read; i++) > + DEBUG_PRINT_L4("\t\t0x%lx\t%d\n", offset + i, buf[i]); > + > + return bytes_read; > +} > + > +static int write_adi(int fd, const unsigned char * const buf, int buf_sz) > +{ > + int ret, bytes_written = 0; > + long start, end, elapsed_time = 0; > + > + do { > + RDTICK(start); > + ret = write(fd, buf + bytes_written, buf_sz - bytes_written); > + RDTICK(end); > + if (ret < 0) > + return -errno; > + > + elapsed_time += (end - start); > + update_stats(&write_stats, elapsed_time, buf_sz); > + bytes_written += ret; > + } while (bytes_written < buf_sz); > + > + DEBUG_PRINT_T("\twrite elapsed timed = %ld\n", elapsed_time); > + DEBUG_PRINT_L3("\tWrote %d of %d bytes\n", bytes_written, buf_sz); > + > + return bytes_written; > +} > + > +static int pwrite_adi(int fd, const unsigned char * const buf, > + int buf_sz, unsigned long offset) > +{ > + int ret, bytes_written = 0; > + unsigned long cur_offset; > + long start, end, elapsed_time = 0; > + > + cur_offset = offset; > + > + do { > + RDTICK(start); > + ret = pwrite(fd, buf + bytes_written, > + buf_sz - bytes_written, cur_offset); > + RDTICK(end); > + if (ret < 0) { > + fprintf(stderr, "pwrite(): error %d: %s\n", > + errno, strerror(errno)); > + return -errno; > + } > + > + elapsed_time += (end - start); > + update_stats(&pwrite_stats, elapsed_time, buf_sz); > + bytes_written += ret; > + cur_offset += ret; > + > + } while (bytes_written < buf_sz); > + > + DEBUG_PRINT_T("\tpwrite elapsed timed = %ld\n", elapsed_time); > + DEBUG_PRINT_L3("\tWrote %d of %d bytes starting at address 0x%lx\n", > + bytes_written, buf_sz, offset); > + > + return bytes_written; > +} > + > +static off_t seek_adi(int fd, off_t offset, int whence) > +{ > + long start, end; > + off_t ret; > + > + RDTICK(start); > + ret = lseek(fd, offset, whence); > + RDTICK(end); > + DEBUG_PRINT_L2("\tlseek ret = 0x%llx\n", ret); > + if (ret < 0) > + goto out; > + > + DEBUG_PRINT_T("\tlseek elapsed timed = %ld\n", end - start); > + update_stats(&seek_stats, end - start, 0); > + > +out: > + (void)lseek(fd, 0, SEEK_END); > + return ret; > +} > + > +static int test0_prpw_aligned_1byte(int fd) > +{ > + /* somewhat arbitrarily chosen address */ > + unsigned long paddr = > + (end_addr[range_count - 1] - 0x1000) & ~(ADI_BLKSZ - 1); > + unsigned char version[1], expected_version; > + loff_t offset; > + int ret; > + > + version[0] = random_version(); > + expected_version = version[0]; > + > + offset = paddr / ADI_BLKSZ; > + > + ret = pwrite_adi(fd, version, sizeof(version), offset); > + if (ret != sizeof(version)) > + TEST_STEP_FAILURE(ret); > + > + ret = pread_adi(fd, version, sizeof(version), offset); > + if (ret != sizeof(version)) > + TEST_STEP_FAILURE(ret); > + > + if (expected_version != version[0]) { > + DEBUG_PRINT_L2("\tExpected version %d but read version %d\n", > + expected_version, version[0]); > + TEST_STEP_FAILURE(-expected_version); > + } > + > + ret = 0; > +out: > + RETURN_FROM_TEST(ret); > +} > + > +#define TEST1_VERSION_SZ 4096 > +static int test1_prpw_aligned_4096bytes(int fd) > +{ > + /* somewhat arbitrarily chosen address */ > + unsigned long paddr = > + (end_addr[range_count - 1] - 0x6000) & ~(ADI_BLKSZ - 1); > + unsigned char version[TEST1_VERSION_SZ], > + expected_version[TEST1_VERSION_SZ]; > + loff_t offset; > + int ret, i; > + > + for (i = 0; i < TEST1_VERSION_SZ; i++) { > + version[i] = random_version(); > + expected_version[i] = version[i]; > + } > + > + offset = paddr / ADI_BLKSZ; > + > + ret = pwrite_adi(fd, version, sizeof(version), offset); > + if (ret != sizeof(version)) > + TEST_STEP_FAILURE(ret); > + > + ret = pread_adi(fd, version, sizeof(version), offset); > + if (ret != sizeof(version)) > + TEST_STEP_FAILURE(ret); > + > + for (i = 0; i < TEST1_VERSION_SZ; i++) { > + if (expected_version[i] != version[i]) { > + DEBUG_PRINT_L2( > + "\tExpected version %d but read version %d\n", > + expected_version, version[0]); > + TEST_STEP_FAILURE(-expected_version[i]); > + } > + } > + > + ret = 0; > +out: > + RETURN_FROM_TEST(ret); > +} > + > +#define TEST2_VERSION_SZ 10327 > +static int test2_prpw_aligned_10327bytes(int fd) > +{ > + /* somewhat arbitrarily chosen address */ > + unsigned long paddr = > + (start_addr[0] + 0x6000) & ~(ADI_BLKSZ - 1); > + unsigned char version[TEST2_VERSION_SZ], > + expected_version[TEST2_VERSION_SZ]; > + loff_t offset; > + int ret, i; > + > + for (i = 0; i < TEST2_VERSION_SZ; i++) { > + version[i] = random_version(); > + expected_version[i] = version[i]; > + } > + > + offset = paddr / ADI_BLKSZ; > + > + ret = pwrite_adi(fd, version, sizeof(version), offset); > + if (ret != sizeof(version)) > + TEST_STEP_FAILURE(ret); > + > + ret = pread_adi(fd, version, sizeof(version), offset); > + if (ret != sizeof(version)) > + TEST_STEP_FAILURE(ret); > + > + for (i = 0; i < TEST2_VERSION_SZ; i++) { > + if (expected_version[i] != version[i]) { > + DEBUG_PRINT_L2( > + "\tExpected version %d but read version %d\n", > + expected_version, version[0]); > + TEST_STEP_FAILURE(-expected_version[i]); > + } > + } > + > + ret = 0; > +out: > + RETURN_FROM_TEST(ret); > +} > + > +#define TEST3_VERSION_SZ 12541 > +static int test3_prpw_unaligned_12541bytes(int fd) > +{ > + /* somewhat arbitrarily chosen address */ > + unsigned long paddr = > + ((start_addr[0] + 0xC000) & ~(ADI_BLKSZ - 1)) + 17; > + unsigned char version[TEST3_VERSION_SZ], > + expected_version[TEST3_VERSION_SZ]; > + loff_t offset; > + int ret, i; > + > + for (i = 0; i < TEST3_VERSION_SZ; i++) { > + version[i] = random_version(); > + expected_version[i] = version[i]; > + } > + > + offset = paddr / ADI_BLKSZ; > + > + ret = pwrite_adi(fd, version, sizeof(version), offset); > + if (ret != sizeof(version)) > + TEST_STEP_FAILURE(ret); > + > + ret = pread_adi(fd, version, sizeof(version), offset); > + if (ret != sizeof(version)) > + TEST_STEP_FAILURE(ret); > + > + for (i = 0; i < TEST3_VERSION_SZ; i++) { > + if (expected_version[i] != version[i]) { > + DEBUG_PRINT_L2( > + "\tExpected version %d but read version %d\n", > + expected_version, version[0]); > + TEST_STEP_FAILURE(-expected_version[i]); > + } > + } > + > + ret = 0; > +out: > + RETURN_FROM_TEST(ret); > +} > + > +static int test4_lseek(int fd) > +{ > +#define OFFSET_ADD (0x100) > +#define OFFSET_SUBTRACT (0xFFFFFFF000000000) > + > + off_t offset_out, offset_in; > + int ret; > + > + > + offset_in = 0x123456789abcdef0; > + offset_out = seek_adi(fd, offset_in, SEEK_SET); > + if (offset_out != offset_in) { > + ret = -1; > + TEST_STEP_FAILURE(ret); > + } > + > + /* seek to the current offset. this should return EINVAL */ > + offset_out = seek_adi(fd, offset_in, SEEK_SET); > + if (offset_out < 0 && errno == EINVAL) > + DEBUG_PRINT_L2( > + "\tSEEK_SET failed as designed. Not an error\n"); > + else { > + ret = -2; > + TEST_STEP_FAILURE(ret); > + } > + > + offset_out = seek_adi(fd, 0, SEEK_CUR); > + if (offset_out != offset_in) { > + ret = -3; > + TEST_STEP_FAILURE(ret); > + } > + > + offset_out = seek_adi(fd, OFFSET_ADD, SEEK_CUR); > + if (offset_out != (offset_in + OFFSET_ADD)) { > + ret = -4; > + TEST_STEP_FAILURE(ret); > + } > + > + offset_out = seek_adi(fd, OFFSET_SUBTRACT, SEEK_CUR); > + if (offset_out != (offset_in + OFFSET_ADD + OFFSET_SUBTRACT)) { > + ret = -5; > + TEST_STEP_FAILURE(ret); > + } > + > + ret = 0; > +out: > + RETURN_FROM_TEST(ret); > +} > + > +static int test5_rw_aligned_1byte(int fd) > +{ > + /* somewhat arbitrarily chosen address */ > + unsigned long paddr = > + (end_addr[range_count - 1] - 0xF000) & ~(ADI_BLKSZ - 1); > + unsigned char version, expected_version; > + loff_t offset; > + off_t oret; > + int ret; > + > + offset = paddr / ADI_BLKSZ; > + version = expected_version = random_version(); > + > + oret = seek_adi(fd, offset, SEEK_SET); > + if (oret != offset) { > + ret = -1; > + TEST_STEP_FAILURE(ret); > + } > + > + ret = write_adi(fd, &version, sizeof(version)); > + if (ret != sizeof(version)) > + TEST_STEP_FAILURE(ret); > + > + oret = seek_adi(fd, offset, SEEK_SET); > + if (oret != offset) { > + ret = -1; > + TEST_STEP_FAILURE(ret); > + } > + > + ret = read_adi(fd, &version, sizeof(version)); > + if (ret != sizeof(version)) > + TEST_STEP_FAILURE(ret); > + > + if (expected_version != version) { > + DEBUG_PRINT_L2("\tExpected version %d but read version %d\n", > + expected_version, version); > + TEST_STEP_FAILURE(-expected_version); > + } > + > + ret = 0; > +out: > + RETURN_FROM_TEST(ret); > +} > + > +#define TEST6_VERSION_SZ 9434 > +static int test6_rw_aligned_9434bytes(int fd) > +{ > + /* somewhat arbitrarily chosen address */ > + unsigned long paddr = > + (end_addr[range_count - 1] - 0x5F000) & ~(ADI_BLKSZ - 1); > + unsigned char version[TEST6_VERSION_SZ], > + expected_version[TEST6_VERSION_SZ]; > + loff_t offset; > + off_t oret; > + int ret, i; > + > + offset = paddr / ADI_BLKSZ; > + for (i = 0; i < TEST6_VERSION_SZ; i++) > + version[i] = expected_version[i] = random_version(); > + > + oret = seek_adi(fd, offset, SEEK_SET); > + if (oret != offset) { > + ret = -1; > + TEST_STEP_FAILURE(ret); > + } > + > + ret = write_adi(fd, version, sizeof(version)); > + if (ret != sizeof(version)) > + TEST_STEP_FAILURE(ret); > + > + memset(version, 0, TEST6_VERSION_SZ); > + > + oret = seek_adi(fd, offset, SEEK_SET); > + if (oret != offset) { > + ret = -1; > + TEST_STEP_FAILURE(ret); > + } > + > + ret = read_adi(fd, version, sizeof(version)); > + if (ret != sizeof(version)) > + TEST_STEP_FAILURE(ret); > + > + for (i = 0; i < TEST6_VERSION_SZ; i++) { > + if (expected_version[i] != version[i]) { > + DEBUG_PRINT_L2( > + "\tExpected version %d but read version %d\n", > + expected_version[i], version[i]); > + TEST_STEP_FAILURE(-expected_version[i]); > + } > + } > + > + ret = 0; > +out: > + RETURN_FROM_TEST(ret); > +} > + > +#define TEST7_VERSION_SZ 14963 > +static int test7_rw_aligned_14963bytes(int fd) > +{ > + /* somewhat arbitrarily chosen address */ > + unsigned long paddr = > + ((start_addr[range_count - 1] + 0xF000) & ~(ADI_BLKSZ - 1)) + 39; > + unsigned char version[TEST7_VERSION_SZ], > + expected_version[TEST7_VERSION_SZ]; > + loff_t offset; > + off_t oret; > + int ret, i; > + > + offset = paddr / ADI_BLKSZ; > + for (i = 0; i < TEST7_VERSION_SZ; i++) { > + version[i] = random_version(); > + expected_version[i] = version[i]; > + } > + > + oret = seek_adi(fd, offset, SEEK_SET); > + if (oret != offset) { > + ret = -1; > + TEST_STEP_FAILURE(ret); > + } > + > + ret = write_adi(fd, version, sizeof(version)); > + if (ret != sizeof(version)) > + TEST_STEP_FAILURE(ret); > + > + memset(version, 0, TEST7_VERSION_SZ); > + > + oret = seek_adi(fd, offset, SEEK_SET); > + if (oret != offset) { > + ret = -1; > + TEST_STEP_FAILURE(ret); > + } > + > + ret = read_adi(fd, version, sizeof(version)); > + if (ret != sizeof(version)) > + TEST_STEP_FAILURE(ret); > + > + for (i = 0; i < TEST7_VERSION_SZ; i++) { > + if (expected_version[i] != version[i]) { > + DEBUG_PRINT_L2( > + "\tExpected version %d but read version %d\n", > + expected_version[i], version[i]); > + TEST_STEP_FAILURE(-expected_version[i]); > + } > + > + paddr += ADI_BLKSZ; > + } > + > + ret = 0; > +out: > + RETURN_FROM_TEST(ret); > +} > + > +static int (*tests[])(int fd) = { > + test0_prpw_aligned_1byte, > + test1_prpw_aligned_4096bytes, > + test2_prpw_aligned_10327bytes, > + test3_prpw_unaligned_12541bytes, > + test4_lseek, > + test5_rw_aligned_1byte, > + test6_rw_aligned_9434bytes, > + test7_rw_aligned_14963bytes, > +}; > +#define TEST_COUNT ARRAY_SIZE(tests) > + > +int main(int argc, char *argv[]) > +{ > + int fd, ret, test; > + > + ret = build_memory_map(); > + if (ret < 0) > + return ret; > + > + fd = open("/dev/adi", O_RDWR); > + if (fd < 0) { > + fprintf(stderr, "open: error %d: %s\n", > + errno, strerror(errno)); > + return -errno; > + } > + > + for (test = 0; test < TEST_COUNT; test++) { > + DEBUG_PRINT_L1("Running test #%d\n", test); > + > + ret = (*tests[test])(fd); > + if (ret != 0) > + ksft_test_result_fail("Test #%d failed: error %d\n", > + test, ret); > + else > + ksft_test_result_pass("Test #%d passed\n", test); > + } > + > + print_stats(); > + close(fd); > + > + if (ksft_get_fail_cnt() > 0) > + ksft_exit_fail(); > + else > + ksft_exit_pass(); > + > + /* it's impossible to get here, but the compiler throws a warning > + * about control reaching the end of non-void function. bah. > + */ > + return 0; > +} > diff --git a/tools/testing/selftests/sparc64/drivers/drivers_test.sh b/tools/testing/selftests/sparc64/drivers/drivers_test.sh > new file mode 100755 > index 000000000000..6d08273b7532 > --- /dev/null > +++ b/tools/testing/selftests/sparc64/drivers/drivers_test.sh > @@ -0,0 +1,30 @@ > +#!/bin/sh > +# SPDX-License-Identifier: GPL-2.0 > + > +SRC_TREE=../../../../ > + > +test_run() > +{ > + if [ -f ${SRC_TREE}/drivers/char/adi.ko ]; then > + insmod ${SRC_TREE}/drivers/char/adi.ko 2> /dev/null > + if [ $? -ne 0 ]; then > + rc=1 > + fi > + else > + # Use modprobe dry run to check for missing adi module > + if ! /sbin/modprobe -q -n adi; then > + echo "adi: [SKIP]" > + elif /sbin/modprobe -q adi; then > + echo "adi: ok" > + else > + echo "adi: [FAIL]" > + rc=1 > + fi > + fi > + ./adi-test > + rmmod adi 2> /dev/null > +} > + > +rc=0 > +test_run > +exit $rc > diff --git a/tools/testing/selftests/sparc64/run.sh b/tools/testing/selftests/sparc64/run.sh > new file mode 100755 > index 000000000000..38ad61f9328e > --- /dev/null > +++ b/tools/testing/selftests/sparc64/run.sh > @@ -0,0 +1,3 @@ > +#!/bin/sh > + > +(cd drivers; ./drivers_test.sh) -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Doggonit! Thanks, Wim. I'll send out a new revision shortly. Tom On 04/20/2018 12:08 PM, Wim Coekaerts wrote: > Tom, you used the wrong GPL license header. Please fix that to be v2 > not v3. > > The > > +# SPDX-License-Identifier: GPL-2.0 > > is correct but the adi-test.c one is not. > > On 04/20/2018 10:34 AM, Tom Hromatka wrote: >> Add a selftest for the sparc64 privileged ADI driver. These >> tests verify the read(), pread(), write(), pwrite(), and seek() >> functionality of the driver. The tests also report simple >> performance statistics: >> >> Syscall Call AvgTime AvgSize >> Count (ticks) (bytes) >> ------------------------------- >> read 3 119638 8133 >> pread 4 118164 6741 >> write 3 339442 8133 >> pwrite 4 280134 6741 >> seek 10 2919 0 >> Pass 8 Fail 0 Xfail 0 Xpass 0 Skip 0 Error 0 >> >> Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com> >> Reviewed-by: Allen Pais <allen.pais@oracle.com> >> --- >> tools/testing/selftests/Makefile | 1 + >> tools/testing/selftests/sparc64/Makefile | 46 ++ >> tools/testing/selftests/sparc64/drivers/.gitignore | 1 + >> tools/testing/selftests/sparc64/drivers/Makefile | 15 + >> tools/testing/selftests/sparc64/drivers/adi-test.c | 732 >> +++++++++++++++++++++ >> .../selftests/sparc64/drivers/drivers_test.sh | 30 + >> tools/testing/selftests/sparc64/run.sh | 3 + >> 7 files changed, 828 insertions(+) >> create mode 100644 tools/testing/selftests/sparc64/Makefile >> create mode 100644 tools/testing/selftests/sparc64/drivers/.gitignore >> create mode 100644 tools/testing/selftests/sparc64/drivers/Makefile >> create mode 100644 tools/testing/selftests/sparc64/drivers/adi-test.c >> create mode 100755 >> tools/testing/selftests/sparc64/drivers/drivers_test.sh >> create mode 100755 tools/testing/selftests/sparc64/run.sh >> >> diff --git a/tools/testing/selftests/Makefile >> b/tools/testing/selftests/Makefile >> index 7442dfb73b7f..94da632579e7 100644 >> --- a/tools/testing/selftests/Makefile >> +++ b/tools/testing/selftests/Makefile >> @@ -28,6 +28,7 @@ TARGETS += ptrace >> TARGETS += seccomp >> TARGETS += sigaltstack >> TARGETS += size >> +TARGETS += sparc64 >> TARGETS += splice >> TARGETS += static_keys >> TARGETS += sync >> diff --git a/tools/testing/selftests/sparc64/Makefile >> b/tools/testing/selftests/sparc64/Makefile >> new file mode 100644 >> index 000000000000..2082eeffd779 >> --- /dev/null >> +++ b/tools/testing/selftests/sparc64/Makefile >> @@ -0,0 +1,46 @@ >> +SUBDIRS := drivers >> + >> +TEST_PROGS := run.sh >> + >> +.PHONY: all clean >> + >> +include ../lib.mk >> + >> +all: >> + @for DIR in $(SUBDIRS); do \ >> + BUILD_TARGET=$(OUTPUT)/$$DIR; \ >> + mkdir $$BUILD_TARGET -p; \ >> + make OUTPUT=$$BUILD_TARGET -C $$DIR $@;\ >> + #SUBDIR test prog name should be in the form: SUBDIR_test.sh \ >> + TEST=$$DIR"_test.sh"; \ >> + if [ -e $$DIR/$$TEST ]; then \ >> + rsync -a $$DIR/$$TEST $$BUILD_TARGET/; \ >> + fi \ >> + done >> + >> +override define RUN_TESTS >> + @cd $(OUTPUT); ./run.sh >> +endef >> + >> +override define INSTALL_RULE >> + mkdir -p $(INSTALL_PATH) >> + install -t $(INSTALL_PATH) $(TEST_PROGS) $(TEST_PROGS_EXTENDED) >> $(TEST_FILES) >> + >> + @for SUBDIR in $(SUBDIRS); do \ >> + BUILD_TARGET=$(OUTPUT)/$$SUBDIR; \ >> + mkdir $$BUILD_TARGET -p; \ >> + $(MAKE) OUTPUT=$$BUILD_TARGET -C $$SUBDIR >> INSTALL_PATH=$(INSTALL_PATH)/$$SUBDIR install; \ >> + done; >> +endef >> + >> +override define EMIT_TESTS >> + echo "./run.sh" >> +endef >> + >> +override define CLEAN >> + @for DIR in $(SUBDIRS); do \ >> + BUILD_TARGET=$(OUTPUT)/$$DIR; \ >> + mkdir $$BUILD_TARGET -p; \ >> + make OUTPUT=$$BUILD_TARGET -C $$DIR $@;\ >> + done >> +endef >> diff --git a/tools/testing/selftests/sparc64/drivers/.gitignore >> b/tools/testing/selftests/sparc64/drivers/.gitignore >> new file mode 100644 >> index 000000000000..90e835ed74e6 >> --- /dev/null >> +++ b/tools/testing/selftests/sparc64/drivers/.gitignore >> @@ -0,0 +1 @@ >> +adi-test >> diff --git a/tools/testing/selftests/sparc64/drivers/Makefile >> b/tools/testing/selftests/sparc64/drivers/Makefile >> new file mode 100644 >> index 000000000000..6264f40bbdbc >> --- /dev/null >> +++ b/tools/testing/selftests/sparc64/drivers/Makefile >> @@ -0,0 +1,15 @@ >> + >> +INCLUDEDIR := -I. >> +CFLAGS := $(CFLAGS) $(INCLUDEDIR) -Wall -O2 -g >> + >> +TEST_GEN_FILES := adi-test >> + >> +all: $(TEST_GEN_FILES) >> + >> +$(TEST_GEN_FILES): adi-test.c >> + >> +TEST_PROGS := drivers_test.sh >> + >> +include ../../lib.mk >> + >> +$(OUTPUT)/adi-test: adi-test.c >> diff --git a/tools/testing/selftests/sparc64/drivers/adi-test.c >> b/tools/testing/selftests/sparc64/drivers/adi-test.c >> new file mode 100644 >> index 000000000000..22ffd06fba24 >> --- /dev/null >> +++ b/tools/testing/selftests/sparc64/drivers/adi-test.c >> @@ -0,0 +1,732 @@ >> +/* >> + * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All >> rights reserved. >> + * Author: Tom Hromatka <tom.hromatka@oracle.com> >> + * >> + * This program is free software: you can redistribute it and/or modify >> + * it under the terms of the GNU General Public License as published by >> + * the Free Software Foundation, either version 3 of the License, or >> + * (at your option) any later version. >> + * >> + * This program is distributed in the hope that it will be useful, >> + * but WITHOUT ANY WARRANTY; without even the implied warranty of >> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the >> + * GNU General Public License for more details. >> + * >> + * You should have received a copy of the GNU General Public License >> + * along with this program. If not, see >> <http://www.gnu.org/licenses/>. >> + */ >> +#include <linux/kernel.h> >> +#include <errno.h> >> +#include <fcntl.h> >> +#include <stdarg.h> >> +#include <stdio.h> >> +#include <stdlib.h> >> +#include <string.h> >> +#include <sys/syscall.h> >> +#include <sys/types.h> >> +#include <sys/stat.h> >> +#include <unistd.h> >> + >> +#include "../../kselftest.h" >> + >> +#define DEBUG_LEVEL_1_BIT (0x0001) >> +#define DEBUG_LEVEL_2_BIT (0x0002) >> +#define DEBUG_LEVEL_3_BIT (0x0004) >> +#define DEBUG_LEVEL_4_BIT (0x0008) >> +#define DEBUG_TIMING_BIT (0x1000) >> + >> +#ifndef ARRAY_SIZE >> +# define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) >> +#endif >> + >> +/* bit mask of enabled bits to print */ >> +#define DEBUG 0x0001 >> + >> +#define DEBUG_PRINT_L1(...) debug_print(DEBUG_LEVEL_1_BIT, >> __VA_ARGS__) >> +#define DEBUG_PRINT_L2(...) debug_print(DEBUG_LEVEL_2_BIT, >> __VA_ARGS__) >> +#define DEBUG_PRINT_L3(...) debug_print(DEBUG_LEVEL_3_BIT, >> __VA_ARGS__) >> +#define DEBUG_PRINT_L4(...) debug_print(DEBUG_LEVEL_4_BIT, >> __VA_ARGS__) >> +#define DEBUG_PRINT_T(...) debug_print(DEBUG_TIMING_BIT, >> __VA_ARGS__) >> + >> +static void debug_print(int level, const char *s, ...) >> +{ >> + va_list args; >> + >> + va_start(args, s); >> + >> + if (DEBUG & level) >> + vfprintf(stdout, s, args); >> + va_end(args); >> +} >> + >> +#ifndef min >> +#define min(x, y) ((x) < (y) ? x : y) >> +#endif >> + >> +#define RETURN_FROM_TEST(_ret) \ >> + do { \ >> + DEBUG_PRINT_L1( \ >> + "\tTest %s returned %d\n", __func__, _ret); \ >> + return _ret; \ >> + } while (0) >> + >> +#define ADI_BLKSZ 64 >> +#define ADI_MAX_VERSION 15 >> + >> +#define TEST_STEP_FAILURE(_ret) \ >> + do { \ >> + fprintf(stderr, "\tTest step failure: %d at %s:%d\n", \ >> + _ret, __func__, __LINE__); \ >> + goto out; \ >> + } while (0) >> + >> +#define RDTICK(_x) \ >> + asm volatile(" rd %%tick, %0\n" : "=r" (_x)) >> + >> +static int random_version(void) >> +{ >> + long tick; >> + >> + RDTICK(tick); >> + >> + return tick % (ADI_MAX_VERSION + 1); >> +} >> + >> +#define MAX_RANGES_SUPPORTED 5 >> +static const char system_ram_str[] = "System RAM\n"; >> +static int range_count; >> +static unsigned long long int start_addr[MAX_RANGES_SUPPORTED]; >> +static unsigned long long int end_addr[MAX_RANGES_SUPPORTED]; >> + >> +struct stats { >> + char name[16]; >> + unsigned long total; >> + unsigned long count; >> + unsigned long bytes; >> +}; >> + >> +static struct stats read_stats = { >> + .name = "read", .total = 0, .count = 0, .bytes = 0}; >> +static struct stats pread_stats = { >> + .name = "pread", .total = 0, .count = 0, .bytes = 0}; >> +static struct stats write_stats = { >> + .name = "write", .total = 0, .count = 0, .bytes = 0}; >> +static struct stats pwrite_stats = { >> + .name = "pwrite", .total = 0, .count = 0, .bytes = 0}; >> +static struct stats seek_stats = { >> + .name = "seek", .total = 0, .count = 0, .bytes = 0}; >> + >> +static void update_stats(struct stats * const ustats, >> + unsigned long measurement, unsigned long bytes) >> +{ >> + ustats->total += measurement; >> + ustats->bytes += bytes; >> + ustats->count++; >> +} >> + >> +static void print_ustats(const struct stats * const ustats) >> +{ >> + DEBUG_PRINT_L1("%s\t%7d\t%7.0f\t%7.0f\n", >> + ustats->name, ustats->count, >> + (float)ustats->total / (float)ustats->count, >> + (float)ustats->bytes / (float)ustats->count); >> +} >> + >> +static void print_stats(void) >> +{ >> + DEBUG_PRINT_L1("\nSyscall\tCall\tAvgTime\tAvgSize\n" >> + "\tCount\t(ticks)\t(bytes)\n" >> + "-------------------------------\n"); >> + >> + print_ustats(&read_stats); >> + print_ustats(&pread_stats); >> + print_ustats(&write_stats); >> + print_ustats(&pwrite_stats); >> + print_ustats(&seek_stats); >> +} >> + >> +static int build_memory_map(void) >> +{ >> + char line[256]; >> + FILE *fp; >> + int i; >> + >> + range_count = 0; >> + >> + fp = fopen("/proc/iomem", "r"); >> + if (!fp) { >> + fprintf(stderr, "/proc/iomem: error %d: %s\n", >> + errno, strerror(errno)); >> + return -errno; >> + } >> + >> + while (fgets(line, sizeof(line), fp) != 0) { >> + if (strstr(line, system_ram_str)) { >> + char *dash, *end_ptr; >> + >> + /* Given a line like this: >> + * d0400000-10ffaffff : System RAM >> + * replace the "-" with a space >> + */ >> + dash = strstr(line, "-"); >> + dash[0] = 0x20; >> + >> + start_addr[range_count] = strtoull(line, &end_ptr, 16); >> + end_addr[range_count] = strtoull(end_ptr, NULL, 16); >> + range_count++; >> + } >> + } >> + >> + fclose(fp); >> + >> + DEBUG_PRINT_L1("RAM Ranges\n"); >> + for (i = 0; i < range_count; i++) >> + DEBUG_PRINT_L1("\trange %d: 0x%llx\t- 0x%llx\n", >> + i, start_addr[i], end_addr[i]); >> + >> + if (range_count == 0) { >> + fprintf(stderr, "No valid address ranges found. Error.\n"); >> + return -1; >> + } >> + >> + return 0; >> +} >> + >> +static int read_adi(int fd, unsigned char *buf, int buf_sz) >> +{ >> + int ret, bytes_read = 0; >> + long start, end, elapsed_time = 0; >> + >> + do { >> + RDTICK(start); >> + ret = read(fd, buf + bytes_read, buf_sz - bytes_read); >> + RDTICK(end); >> + if (ret < 0) >> + return -errno; >> + >> + elapsed_time += end - start; >> + update_stats(&read_stats, elapsed_time, buf_sz); >> + bytes_read += ret; >> + >> + } while (bytes_read < buf_sz); >> + >> + DEBUG_PRINT_T("\tread elapsed timed = %ld\n", elapsed_time); >> + DEBUG_PRINT_L3("\tRead %d bytes\n", bytes_read); >> + >> + return bytes_read; >> +} >> + >> +static int pread_adi(int fd, unsigned char *buf, >> + int buf_sz, unsigned long offset) >> +{ >> + int ret, i, bytes_read = 0; >> + unsigned long cur_offset; >> + long start, end, elapsed_time = 0; >> + >> + cur_offset = offset; >> + do { >> + RDTICK(start); >> + ret = pread(fd, buf + bytes_read, buf_sz - bytes_read, >> + cur_offset); >> + RDTICK(end); >> + if (ret < 0) >> + return -errno; >> + >> + elapsed_time += end - start; >> + update_stats(&pread_stats, elapsed_time, buf_sz); >> + bytes_read += ret; >> + cur_offset += ret; >> + >> + } while (bytes_read < buf_sz); >> + >> + DEBUG_PRINT_T("\tpread elapsed timed = %ld\n", elapsed_time); >> + DEBUG_PRINT_L3("\tRead %d bytes starting at offset 0x%lx\n", >> + bytes_read, offset); >> + for (i = 0; i < bytes_read; i++) >> + DEBUG_PRINT_L4("\t\t0x%lx\t%d\n", offset + i, buf[i]); >> + >> + return bytes_read; >> +} >> + >> +static int write_adi(int fd, const unsigned char * const buf, int >> buf_sz) >> +{ >> + int ret, bytes_written = 0; >> + long start, end, elapsed_time = 0; >> + >> + do { >> + RDTICK(start); >> + ret = write(fd, buf + bytes_written, buf_sz - bytes_written); >> + RDTICK(end); >> + if (ret < 0) >> + return -errno; >> + >> + elapsed_time += (end - start); >> + update_stats(&write_stats, elapsed_time, buf_sz); >> + bytes_written += ret; >> + } while (bytes_written < buf_sz); >> + >> + DEBUG_PRINT_T("\twrite elapsed timed = %ld\n", elapsed_time); >> + DEBUG_PRINT_L3("\tWrote %d of %d bytes\n", bytes_written, buf_sz); >> + >> + return bytes_written; >> +} >> + >> +static int pwrite_adi(int fd, const unsigned char * const buf, >> + int buf_sz, unsigned long offset) >> +{ >> + int ret, bytes_written = 0; >> + unsigned long cur_offset; >> + long start, end, elapsed_time = 0; >> + >> + cur_offset = offset; >> + >> + do { >> + RDTICK(start); >> + ret = pwrite(fd, buf + bytes_written, >> + buf_sz - bytes_written, cur_offset); >> + RDTICK(end); >> + if (ret < 0) { >> + fprintf(stderr, "pwrite(): error %d: %s\n", >> + errno, strerror(errno)); >> + return -errno; >> + } >> + >> + elapsed_time += (end - start); >> + update_stats(&pwrite_stats, elapsed_time, buf_sz); >> + bytes_written += ret; >> + cur_offset += ret; >> + >> + } while (bytes_written < buf_sz); >> + >> + DEBUG_PRINT_T("\tpwrite elapsed timed = %ld\n", elapsed_time); >> + DEBUG_PRINT_L3("\tWrote %d of %d bytes starting at address >> 0x%lx\n", >> + bytes_written, buf_sz, offset); >> + >> + return bytes_written; >> +} >> + >> +static off_t seek_adi(int fd, off_t offset, int whence) >> +{ >> + long start, end; >> + off_t ret; >> + >> + RDTICK(start); >> + ret = lseek(fd, offset, whence); >> + RDTICK(end); >> + DEBUG_PRINT_L2("\tlseek ret = 0x%llx\n", ret); >> + if (ret < 0) >> + goto out; >> + >> + DEBUG_PRINT_T("\tlseek elapsed timed = %ld\n", end - start); >> + update_stats(&seek_stats, end - start, 0); >> + >> +out: >> + (void)lseek(fd, 0, SEEK_END); >> + return ret; >> +} >> + >> +static int test0_prpw_aligned_1byte(int fd) >> +{ >> + /* somewhat arbitrarily chosen address */ >> + unsigned long paddr = >> + (end_addr[range_count - 1] - 0x1000) & ~(ADI_BLKSZ - 1); >> + unsigned char version[1], expected_version; >> + loff_t offset; >> + int ret; >> + >> + version[0] = random_version(); >> + expected_version = version[0]; >> + >> + offset = paddr / ADI_BLKSZ; >> + >> + ret = pwrite_adi(fd, version, sizeof(version), offset); >> + if (ret != sizeof(version)) >> + TEST_STEP_FAILURE(ret); >> + >> + ret = pread_adi(fd, version, sizeof(version), offset); >> + if (ret != sizeof(version)) >> + TEST_STEP_FAILURE(ret); >> + >> + if (expected_version != version[0]) { >> + DEBUG_PRINT_L2("\tExpected version %d but read version %d\n", >> + expected_version, version[0]); >> + TEST_STEP_FAILURE(-expected_version); >> + } >> + >> + ret = 0; >> +out: >> + RETURN_FROM_TEST(ret); >> +} >> + >> +#define TEST1_VERSION_SZ 4096 >> +static int test1_prpw_aligned_4096bytes(int fd) >> +{ >> + /* somewhat arbitrarily chosen address */ >> + unsigned long paddr = >> + (end_addr[range_count - 1] - 0x6000) & ~(ADI_BLKSZ - 1); >> + unsigned char version[TEST1_VERSION_SZ], >> + expected_version[TEST1_VERSION_SZ]; >> + loff_t offset; >> + int ret, i; >> + >> + for (i = 0; i < TEST1_VERSION_SZ; i++) { >> + version[i] = random_version(); >> + expected_version[i] = version[i]; >> + } >> + >> + offset = paddr / ADI_BLKSZ; >> + >> + ret = pwrite_adi(fd, version, sizeof(version), offset); >> + if (ret != sizeof(version)) >> + TEST_STEP_FAILURE(ret); >> + >> + ret = pread_adi(fd, version, sizeof(version), offset); >> + if (ret != sizeof(version)) >> + TEST_STEP_FAILURE(ret); >> + >> + for (i = 0; i < TEST1_VERSION_SZ; i++) { >> + if (expected_version[i] != version[i]) { >> + DEBUG_PRINT_L2( >> + "\tExpected version %d but read version %d\n", >> + expected_version, version[0]); >> + TEST_STEP_FAILURE(-expected_version[i]); >> + } >> + } >> + >> + ret = 0; >> +out: >> + RETURN_FROM_TEST(ret); >> +} >> + >> +#define TEST2_VERSION_SZ 10327 >> +static int test2_prpw_aligned_10327bytes(int fd) >> +{ >> + /* somewhat arbitrarily chosen address */ >> + unsigned long paddr = >> + (start_addr[0] + 0x6000) & ~(ADI_BLKSZ - 1); >> + unsigned char version[TEST2_VERSION_SZ], >> + expected_version[TEST2_VERSION_SZ]; >> + loff_t offset; >> + int ret, i; >> + >> + for (i = 0; i < TEST2_VERSION_SZ; i++) { >> + version[i] = random_version(); >> + expected_version[i] = version[i]; >> + } >> + >> + offset = paddr / ADI_BLKSZ; >> + >> + ret = pwrite_adi(fd, version, sizeof(version), offset); >> + if (ret != sizeof(version)) >> + TEST_STEP_FAILURE(ret); >> + >> + ret = pread_adi(fd, version, sizeof(version), offset); >> + if (ret != sizeof(version)) >> + TEST_STEP_FAILURE(ret); >> + >> + for (i = 0; i < TEST2_VERSION_SZ; i++) { >> + if (expected_version[i] != version[i]) { >> + DEBUG_PRINT_L2( >> + "\tExpected version %d but read version %d\n", >> + expected_version, version[0]); >> + TEST_STEP_FAILURE(-expected_version[i]); >> + } >> + } >> + >> + ret = 0; >> +out: >> + RETURN_FROM_TEST(ret); >> +} >> + >> +#define TEST3_VERSION_SZ 12541 >> +static int test3_prpw_unaligned_12541bytes(int fd) >> +{ >> + /* somewhat arbitrarily chosen address */ >> + unsigned long paddr = >> + ((start_addr[0] + 0xC000) & ~(ADI_BLKSZ - 1)) + 17; >> + unsigned char version[TEST3_VERSION_SZ], >> + expected_version[TEST3_VERSION_SZ]; >> + loff_t offset; >> + int ret, i; >> + >> + for (i = 0; i < TEST3_VERSION_SZ; i++) { >> + version[i] = random_version(); >> + expected_version[i] = version[i]; >> + } >> + >> + offset = paddr / ADI_BLKSZ; >> + >> + ret = pwrite_adi(fd, version, sizeof(version), offset); >> + if (ret != sizeof(version)) >> + TEST_STEP_FAILURE(ret); >> + >> + ret = pread_adi(fd, version, sizeof(version), offset); >> + if (ret != sizeof(version)) >> + TEST_STEP_FAILURE(ret); >> + >> + for (i = 0; i < TEST3_VERSION_SZ; i++) { >> + if (expected_version[i] != version[i]) { >> + DEBUG_PRINT_L2( >> + "\tExpected version %d but read version %d\n", >> + expected_version, version[0]); >> + TEST_STEP_FAILURE(-expected_version[i]); >> + } >> + } >> + >> + ret = 0; >> +out: >> + RETURN_FROM_TEST(ret); >> +} >> + >> +static int test4_lseek(int fd) >> +{ >> +#define OFFSET_ADD (0x100) >> +#define OFFSET_SUBTRACT (0xFFFFFFF000000000) >> + >> + off_t offset_out, offset_in; >> + int ret; >> + >> + >> + offset_in = 0x123456789abcdef0; >> + offset_out = seek_adi(fd, offset_in, SEEK_SET); >> + if (offset_out != offset_in) { >> + ret = -1; >> + TEST_STEP_FAILURE(ret); >> + } >> + >> + /* seek to the current offset. this should return EINVAL */ >> + offset_out = seek_adi(fd, offset_in, SEEK_SET); >> + if (offset_out < 0 && errno == EINVAL) >> + DEBUG_PRINT_L2( >> + "\tSEEK_SET failed as designed. Not an error\n"); >> + else { >> + ret = -2; >> + TEST_STEP_FAILURE(ret); >> + } >> + >> + offset_out = seek_adi(fd, 0, SEEK_CUR); >> + if (offset_out != offset_in) { >> + ret = -3; >> + TEST_STEP_FAILURE(ret); >> + } >> + >> + offset_out = seek_adi(fd, OFFSET_ADD, SEEK_CUR); >> + if (offset_out != (offset_in + OFFSET_ADD)) { >> + ret = -4; >> + TEST_STEP_FAILURE(ret); >> + } >> + >> + offset_out = seek_adi(fd, OFFSET_SUBTRACT, SEEK_CUR); >> + if (offset_out != (offset_in + OFFSET_ADD + OFFSET_SUBTRACT)) { >> + ret = -5; >> + TEST_STEP_FAILURE(ret); >> + } >> + >> + ret = 0; >> +out: >> + RETURN_FROM_TEST(ret); >> +} >> + >> +static int test5_rw_aligned_1byte(int fd) >> +{ >> + /* somewhat arbitrarily chosen address */ >> + unsigned long paddr = >> + (end_addr[range_count - 1] - 0xF000) & ~(ADI_BLKSZ - 1); >> + unsigned char version, expected_version; >> + loff_t offset; >> + off_t oret; >> + int ret; >> + >> + offset = paddr / ADI_BLKSZ; >> + version = expected_version = random_version(); >> + >> + oret = seek_adi(fd, offset, SEEK_SET); >> + if (oret != offset) { >> + ret = -1; >> + TEST_STEP_FAILURE(ret); >> + } >> + >> + ret = write_adi(fd, &version, sizeof(version)); >> + if (ret != sizeof(version)) >> + TEST_STEP_FAILURE(ret); >> + >> + oret = seek_adi(fd, offset, SEEK_SET); >> + if (oret != offset) { >> + ret = -1; >> + TEST_STEP_FAILURE(ret); >> + } >> + >> + ret = read_adi(fd, &version, sizeof(version)); >> + if (ret != sizeof(version)) >> + TEST_STEP_FAILURE(ret); >> + >> + if (expected_version != version) { >> + DEBUG_PRINT_L2("\tExpected version %d but read version %d\n", >> + expected_version, version); >> + TEST_STEP_FAILURE(-expected_version); >> + } >> + >> + ret = 0; >> +out: >> + RETURN_FROM_TEST(ret); >> +} >> + >> +#define TEST6_VERSION_SZ 9434 >> +static int test6_rw_aligned_9434bytes(int fd) >> +{ >> + /* somewhat arbitrarily chosen address */ >> + unsigned long paddr = >> + (end_addr[range_count - 1] - 0x5F000) & ~(ADI_BLKSZ - 1); >> + unsigned char version[TEST6_VERSION_SZ], >> + expected_version[TEST6_VERSION_SZ]; >> + loff_t offset; >> + off_t oret; >> + int ret, i; >> + >> + offset = paddr / ADI_BLKSZ; >> + for (i = 0; i < TEST6_VERSION_SZ; i++) >> + version[i] = expected_version[i] = random_version(); >> + >> + oret = seek_adi(fd, offset, SEEK_SET); >> + if (oret != offset) { >> + ret = -1; >> + TEST_STEP_FAILURE(ret); >> + } >> + >> + ret = write_adi(fd, version, sizeof(version)); >> + if (ret != sizeof(version)) >> + TEST_STEP_FAILURE(ret); >> + >> + memset(version, 0, TEST6_VERSION_SZ); >> + >> + oret = seek_adi(fd, offset, SEEK_SET); >> + if (oret != offset) { >> + ret = -1; >> + TEST_STEP_FAILURE(ret); >> + } >> + >> + ret = read_adi(fd, version, sizeof(version)); >> + if (ret != sizeof(version)) >> + TEST_STEP_FAILURE(ret); >> + >> + for (i = 0; i < TEST6_VERSION_SZ; i++) { >> + if (expected_version[i] != version[i]) { >> + DEBUG_PRINT_L2( >> + "\tExpected version %d but read version %d\n", >> + expected_version[i], version[i]); >> + TEST_STEP_FAILURE(-expected_version[i]); >> + } >> + } >> + >> + ret = 0; >> +out: >> + RETURN_FROM_TEST(ret); >> +} >> + >> +#define TEST7_VERSION_SZ 14963 >> +static int test7_rw_aligned_14963bytes(int fd) >> +{ >> + /* somewhat arbitrarily chosen address */ >> + unsigned long paddr = >> + ((start_addr[range_count - 1] + 0xF000) & ~(ADI_BLKSZ - 1)) + 39; >> + unsigned char version[TEST7_VERSION_SZ], >> + expected_version[TEST7_VERSION_SZ]; >> + loff_t offset; >> + off_t oret; >> + int ret, i; >> + >> + offset = paddr / ADI_BLKSZ; >> + for (i = 0; i < TEST7_VERSION_SZ; i++) { >> + version[i] = random_version(); >> + expected_version[i] = version[i]; >> + } >> + >> + oret = seek_adi(fd, offset, SEEK_SET); >> + if (oret != offset) { >> + ret = -1; >> + TEST_STEP_FAILURE(ret); >> + } >> + >> + ret = write_adi(fd, version, sizeof(version)); >> + if (ret != sizeof(version)) >> + TEST_STEP_FAILURE(ret); >> + >> + memset(version, 0, TEST7_VERSION_SZ); >> + >> + oret = seek_adi(fd, offset, SEEK_SET); >> + if (oret != offset) { >> + ret = -1; >> + TEST_STEP_FAILURE(ret); >> + } >> + >> + ret = read_adi(fd, version, sizeof(version)); >> + if (ret != sizeof(version)) >> + TEST_STEP_FAILURE(ret); >> + >> + for (i = 0; i < TEST7_VERSION_SZ; i++) { >> + if (expected_version[i] != version[i]) { >> + DEBUG_PRINT_L2( >> + "\tExpected version %d but read version %d\n", >> + expected_version[i], version[i]); >> + TEST_STEP_FAILURE(-expected_version[i]); >> + } >> + >> + paddr += ADI_BLKSZ; >> + } >> + >> + ret = 0; >> +out: >> + RETURN_FROM_TEST(ret); >> +} >> + >> +static int (*tests[])(int fd) = { >> + test0_prpw_aligned_1byte, >> + test1_prpw_aligned_4096bytes, >> + test2_prpw_aligned_10327bytes, >> + test3_prpw_unaligned_12541bytes, >> + test4_lseek, >> + test5_rw_aligned_1byte, >> + test6_rw_aligned_9434bytes, >> + test7_rw_aligned_14963bytes, >> +}; >> +#define TEST_COUNT ARRAY_SIZE(tests) >> + >> +int main(int argc, char *argv[]) >> +{ >> + int fd, ret, test; >> + >> + ret = build_memory_map(); >> + if (ret < 0) >> + return ret; >> + >> + fd = open("/dev/adi", O_RDWR); >> + if (fd < 0) { >> + fprintf(stderr, "open: error %d: %s\n", >> + errno, strerror(errno)); >> + return -errno; >> + } >> + >> + for (test = 0; test < TEST_COUNT; test++) { >> + DEBUG_PRINT_L1("Running test #%d\n", test); >> + >> + ret = (*tests[test])(fd); >> + if (ret != 0) >> + ksft_test_result_fail("Test #%d failed: error %d\n", >> + test, ret); >> + else >> + ksft_test_result_pass("Test #%d passed\n", test); >> + } >> + >> + print_stats(); >> + close(fd); >> + >> + if (ksft_get_fail_cnt() > 0) >> + ksft_exit_fail(); >> + else >> + ksft_exit_pass(); >> + >> + /* it's impossible to get here, but the compiler throws a warning >> + * about control reaching the end of non-void function. bah. >> + */ >> + return 0; >> +} >> diff --git a/tools/testing/selftests/sparc64/drivers/drivers_test.sh >> b/tools/testing/selftests/sparc64/drivers/drivers_test.sh >> new file mode 100755 >> index 000000000000..6d08273b7532 >> --- /dev/null >> +++ b/tools/testing/selftests/sparc64/drivers/drivers_test.sh >> @@ -0,0 +1,30 @@ >> +#!/bin/sh >> +# SPDX-License-Identifier: GPL-2.0 >> + >> +SRC_TREE=../../../../ >> + >> +test_run() >> +{ >> + if [ -f ${SRC_TREE}/drivers/char/adi.ko ]; then >> + insmod ${SRC_TREE}/drivers/char/adi.ko 2> /dev/null >> + if [ $? -ne 0 ]; then >> + rc=1 >> + fi >> + else >> + # Use modprobe dry run to check for missing adi module >> + if ! /sbin/modprobe -q -n adi; then >> + echo "adi: [SKIP]" >> + elif /sbin/modprobe -q adi; then >> + echo "adi: ok" >> + else >> + echo "adi: [FAIL]" >> + rc=1 >> + fi >> + fi >> + ./adi-test >> + rmmod adi 2> /dev/null >> +} >> + >> +rc=0 >> +test_run >> +exit $rc >> diff --git a/tools/testing/selftests/sparc64/run.sh >> b/tools/testing/selftests/sparc64/run.sh >> new file mode 100755 >> index 000000000000..38ad61f9328e >> --- /dev/null >> +++ b/tools/testing/selftests/sparc64/run.sh >> @@ -0,0 +1,3 @@ >> +#!/bin/sh >> + >> +(cd drivers; ./drivers_test.sh) > -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile index 7442dfb73b7f..94da632579e7 100644 --- a/tools/testing/selftests/Makefile +++ b/tools/testing/selftests/Makefile @@ -28,6 +28,7 @@ TARGETS += ptrace TARGETS += seccomp TARGETS += sigaltstack TARGETS += size +TARGETS += sparc64 TARGETS += splice TARGETS += static_keys TARGETS += sync diff --git a/tools/testing/selftests/sparc64/Makefile b/tools/testing/selftests/sparc64/Makefile new file mode 100644 index 000000000000..2082eeffd779 --- /dev/null +++ b/tools/testing/selftests/sparc64/Makefile @@ -0,0 +1,46 @@ +SUBDIRS := drivers + +TEST_PROGS := run.sh + +.PHONY: all clean + +include ../lib.mk + +all: + @for DIR in $(SUBDIRS); do \ + BUILD_TARGET=$(OUTPUT)/$$DIR; \ + mkdir $$BUILD_TARGET -p; \ + make OUTPUT=$$BUILD_TARGET -C $$DIR $@;\ + #SUBDIR test prog name should be in the form: SUBDIR_test.sh \ + TEST=$$DIR"_test.sh"; \ + if [ -e $$DIR/$$TEST ]; then \ + rsync -a $$DIR/$$TEST $$BUILD_TARGET/; \ + fi \ + done + +override define RUN_TESTS + @cd $(OUTPUT); ./run.sh +endef + +override define INSTALL_RULE + mkdir -p $(INSTALL_PATH) + install -t $(INSTALL_PATH) $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES) + + @for SUBDIR in $(SUBDIRS); do \ + BUILD_TARGET=$(OUTPUT)/$$SUBDIR; \ + mkdir $$BUILD_TARGET -p; \ + $(MAKE) OUTPUT=$$BUILD_TARGET -C $$SUBDIR INSTALL_PATH=$(INSTALL_PATH)/$$SUBDIR install; \ + done; +endef + +override define EMIT_TESTS + echo "./run.sh" +endef + +override define CLEAN + @for DIR in $(SUBDIRS); do \ + BUILD_TARGET=$(OUTPUT)/$$DIR; \ + mkdir $$BUILD_TARGET -p; \ + make OUTPUT=$$BUILD_TARGET -C $$DIR $@;\ + done +endef diff --git a/tools/testing/selftests/sparc64/drivers/.gitignore b/tools/testing/selftests/sparc64/drivers/.gitignore new file mode 100644 index 000000000000..90e835ed74e6 --- /dev/null +++ b/tools/testing/selftests/sparc64/drivers/.gitignore @@ -0,0 +1 @@ +adi-test diff --git a/tools/testing/selftests/sparc64/drivers/Makefile b/tools/testing/selftests/sparc64/drivers/Makefile new file mode 100644 index 000000000000..6264f40bbdbc --- /dev/null +++ b/tools/testing/selftests/sparc64/drivers/Makefile @@ -0,0 +1,15 @@ + +INCLUDEDIR := -I. +CFLAGS := $(CFLAGS) $(INCLUDEDIR) -Wall -O2 -g + +TEST_GEN_FILES := adi-test + +all: $(TEST_GEN_FILES) + +$(TEST_GEN_FILES): adi-test.c + +TEST_PROGS := drivers_test.sh + +include ../../lib.mk + +$(OUTPUT)/adi-test: adi-test.c diff --git a/tools/testing/selftests/sparc64/drivers/adi-test.c b/tools/testing/selftests/sparc64/drivers/adi-test.c new file mode 100644 index 000000000000..22ffd06fba24 --- /dev/null +++ b/tools/testing/selftests/sparc64/drivers/adi-test.c @@ -0,0 +1,732 @@ +/* + * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved. + * Author: Tom Hromatka <tom.hromatka@oracle.com> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ +#include <linux/kernel.h> +#include <errno.h> +#include <fcntl.h> +#include <stdarg.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/syscall.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <unistd.h> + +#include "../../kselftest.h" + +#define DEBUG_LEVEL_1_BIT (0x0001) +#define DEBUG_LEVEL_2_BIT (0x0002) +#define DEBUG_LEVEL_3_BIT (0x0004) +#define DEBUG_LEVEL_4_BIT (0x0008) +#define DEBUG_TIMING_BIT (0x1000) + +#ifndef ARRAY_SIZE +# define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) +#endif + +/* bit mask of enabled bits to print */ +#define DEBUG 0x0001 + +#define DEBUG_PRINT_L1(...) debug_print(DEBUG_LEVEL_1_BIT, __VA_ARGS__) +#define DEBUG_PRINT_L2(...) debug_print(DEBUG_LEVEL_2_BIT, __VA_ARGS__) +#define DEBUG_PRINT_L3(...) debug_print(DEBUG_LEVEL_3_BIT, __VA_ARGS__) +#define DEBUG_PRINT_L4(...) debug_print(DEBUG_LEVEL_4_BIT, __VA_ARGS__) +#define DEBUG_PRINT_T(...) debug_print(DEBUG_TIMING_BIT, __VA_ARGS__) + +static void debug_print(int level, const char *s, ...) +{ + va_list args; + + va_start(args, s); + + if (DEBUG & level) + vfprintf(stdout, s, args); + va_end(args); +} + +#ifndef min +#define min(x, y) ((x) < (y) ? x : y) +#endif + +#define RETURN_FROM_TEST(_ret) \ + do { \ + DEBUG_PRINT_L1( \ + "\tTest %s returned %d\n", __func__, _ret); \ + return _ret; \ + } while (0) + +#define ADI_BLKSZ 64 +#define ADI_MAX_VERSION 15 + +#define TEST_STEP_FAILURE(_ret) \ + do { \ + fprintf(stderr, "\tTest step failure: %d at %s:%d\n", \ + _ret, __func__, __LINE__); \ + goto out; \ + } while (0) + +#define RDTICK(_x) \ + asm volatile(" rd %%tick, %0\n" : "=r" (_x)) + +static int random_version(void) +{ + long tick; + + RDTICK(tick); + + return tick % (ADI_MAX_VERSION + 1); +} + +#define MAX_RANGES_SUPPORTED 5 +static const char system_ram_str[] = "System RAM\n"; +static int range_count; +static unsigned long long int start_addr[MAX_RANGES_SUPPORTED]; +static unsigned long long int end_addr[MAX_RANGES_SUPPORTED]; + +struct stats { + char name[16]; + unsigned long total; + unsigned long count; + unsigned long bytes; +}; + +static struct stats read_stats = { + .name = "read", .total = 0, .count = 0, .bytes = 0}; +static struct stats pread_stats = { + .name = "pread", .total = 0, .count = 0, .bytes = 0}; +static struct stats write_stats = { + .name = "write", .total = 0, .count = 0, .bytes = 0}; +static struct stats pwrite_stats = { + .name = "pwrite", .total = 0, .count = 0, .bytes = 0}; +static struct stats seek_stats = { + .name = "seek", .total = 0, .count = 0, .bytes = 0}; + +static void update_stats(struct stats * const ustats, + unsigned long measurement, unsigned long bytes) +{ + ustats->total += measurement; + ustats->bytes += bytes; + ustats->count++; +} + +static void print_ustats(const struct stats * const ustats) +{ + DEBUG_PRINT_L1("%s\t%7d\t%7.0f\t%7.0f\n", + ustats->name, ustats->count, + (float)ustats->total / (float)ustats->count, + (float)ustats->bytes / (float)ustats->count); +} + +static void print_stats(void) +{ + DEBUG_PRINT_L1("\nSyscall\tCall\tAvgTime\tAvgSize\n" + "\tCount\t(ticks)\t(bytes)\n" + "-------------------------------\n"); + + print_ustats(&read_stats); + print_ustats(&pread_stats); + print_ustats(&write_stats); + print_ustats(&pwrite_stats); + print_ustats(&seek_stats); +} + +static int build_memory_map(void) +{ + char line[256]; + FILE *fp; + int i; + + range_count = 0; + + fp = fopen("/proc/iomem", "r"); + if (!fp) { + fprintf(stderr, "/proc/iomem: error %d: %s\n", + errno, strerror(errno)); + return -errno; + } + + while (fgets(line, sizeof(line), fp) != 0) { + if (strstr(line, system_ram_str)) { + char *dash, *end_ptr; + + /* Given a line like this: + * d0400000-10ffaffff : System RAM + * replace the "-" with a space + */ + dash = strstr(line, "-"); + dash[0] = 0x20; + + start_addr[range_count] = strtoull(line, &end_ptr, 16); + end_addr[range_count] = strtoull(end_ptr, NULL, 16); + range_count++; + } + } + + fclose(fp); + + DEBUG_PRINT_L1("RAM Ranges\n"); + for (i = 0; i < range_count; i++) + DEBUG_PRINT_L1("\trange %d: 0x%llx\t- 0x%llx\n", + i, start_addr[i], end_addr[i]); + + if (range_count == 0) { + fprintf(stderr, "No valid address ranges found. Error.\n"); + return -1; + } + + return 0; +} + +static int read_adi(int fd, unsigned char *buf, int buf_sz) +{ + int ret, bytes_read = 0; + long start, end, elapsed_time = 0; + + do { + RDTICK(start); + ret = read(fd, buf + bytes_read, buf_sz - bytes_read); + RDTICK(end); + if (ret < 0) + return -errno; + + elapsed_time += end - start; + update_stats(&read_stats, elapsed_time, buf_sz); + bytes_read += ret; + + } while (bytes_read < buf_sz); + + DEBUG_PRINT_T("\tread elapsed timed = %ld\n", elapsed_time); + DEBUG_PRINT_L3("\tRead %d bytes\n", bytes_read); + + return bytes_read; +} + +static int pread_adi(int fd, unsigned char *buf, + int buf_sz, unsigned long offset) +{ + int ret, i, bytes_read = 0; + unsigned long cur_offset; + long start, end, elapsed_time = 0; + + cur_offset = offset; + do { + RDTICK(start); + ret = pread(fd, buf + bytes_read, buf_sz - bytes_read, + cur_offset); + RDTICK(end); + if (ret < 0) + return -errno; + + elapsed_time += end - start; + update_stats(&pread_stats, elapsed_time, buf_sz); + bytes_read += ret; + cur_offset += ret; + + } while (bytes_read < buf_sz); + + DEBUG_PRINT_T("\tpread elapsed timed = %ld\n", elapsed_time); + DEBUG_PRINT_L3("\tRead %d bytes starting at offset 0x%lx\n", + bytes_read, offset); + for (i = 0; i < bytes_read; i++) + DEBUG_PRINT_L4("\t\t0x%lx\t%d\n", offset + i, buf[i]); + + return bytes_read; +} + +static int write_adi(int fd, const unsigned char * const buf, int buf_sz) +{ + int ret, bytes_written = 0; + long start, end, elapsed_time = 0; + + do { + RDTICK(start); + ret = write(fd, buf + bytes_written, buf_sz - bytes_written); + RDTICK(end); + if (ret < 0) + return -errno; + + elapsed_time += (end - start); + update_stats(&write_stats, elapsed_time, buf_sz); + bytes_written += ret; + } while (bytes_written < buf_sz); + + DEBUG_PRINT_T("\twrite elapsed timed = %ld\n", elapsed_time); + DEBUG_PRINT_L3("\tWrote %d of %d bytes\n", bytes_written, buf_sz); + + return bytes_written; +} + +static int pwrite_adi(int fd, const unsigned char * const buf, + int buf_sz, unsigned long offset) +{ + int ret, bytes_written = 0; + unsigned long cur_offset; + long start, end, elapsed_time = 0; + + cur_offset = offset; + + do { + RDTICK(start); + ret = pwrite(fd, buf + bytes_written, + buf_sz - bytes_written, cur_offset); + RDTICK(end); + if (ret < 0) { + fprintf(stderr, "pwrite(): error %d: %s\n", + errno, strerror(errno)); + return -errno; + } + + elapsed_time += (end - start); + update_stats(&pwrite_stats, elapsed_time, buf_sz); + bytes_written += ret; + cur_offset += ret; + + } while (bytes_written < buf_sz); + + DEBUG_PRINT_T("\tpwrite elapsed timed = %ld\n", elapsed_time); + DEBUG_PRINT_L3("\tWrote %d of %d bytes starting at address 0x%lx\n", + bytes_written, buf_sz, offset); + + return bytes_written; +} + +static off_t seek_adi(int fd, off_t offset, int whence) +{ + long start, end; + off_t ret; + + RDTICK(start); + ret = lseek(fd, offset, whence); + RDTICK(end); + DEBUG_PRINT_L2("\tlseek ret = 0x%llx\n", ret); + if (ret < 0) + goto out; + + DEBUG_PRINT_T("\tlseek elapsed timed = %ld\n", end - start); + update_stats(&seek_stats, end - start, 0); + +out: + (void)lseek(fd, 0, SEEK_END); + return ret; +} + +static int test0_prpw_aligned_1byte(int fd) +{ + /* somewhat arbitrarily chosen address */ + unsigned long paddr = + (end_addr[range_count - 1] - 0x1000) & ~(ADI_BLKSZ - 1); + unsigned char version[1], expected_version; + loff_t offset; + int ret; + + version[0] = random_version(); + expected_version = version[0]; + + offset = paddr / ADI_BLKSZ; + + ret = pwrite_adi(fd, version, sizeof(version), offset); + if (ret != sizeof(version)) + TEST_STEP_FAILURE(ret); + + ret = pread_adi(fd, version, sizeof(version), offset); + if (ret != sizeof(version)) + TEST_STEP_FAILURE(ret); + + if (expected_version != version[0]) { + DEBUG_PRINT_L2("\tExpected version %d but read version %d\n", + expected_version, version[0]); + TEST_STEP_FAILURE(-expected_version); + } + + ret = 0; +out: + RETURN_FROM_TEST(ret); +} + +#define TEST1_VERSION_SZ 4096 +static int test1_prpw_aligned_4096bytes(int fd) +{ + /* somewhat arbitrarily chosen address */ + unsigned long paddr = + (end_addr[range_count - 1] - 0x6000) & ~(ADI_BLKSZ - 1); + unsigned char version[TEST1_VERSION_SZ], + expected_version[TEST1_VERSION_SZ]; + loff_t offset; + int ret, i; + + for (i = 0; i < TEST1_VERSION_SZ; i++) { + version[i] = random_version(); + expected_version[i] = version[i]; + } + + offset = paddr / ADI_BLKSZ; + + ret = pwrite_adi(fd, version, sizeof(version), offset); + if (ret != sizeof(version)) + TEST_STEP_FAILURE(ret); + + ret = pread_adi(fd, version, sizeof(version), offset); + if (ret != sizeof(version)) + TEST_STEP_FAILURE(ret); + + for (i = 0; i < TEST1_VERSION_SZ; i++) { + if (expected_version[i] != version[i]) { + DEBUG_PRINT_L2( + "\tExpected version %d but read version %d\n", + expected_version, version[0]); + TEST_STEP_FAILURE(-expected_version[i]); + } + } + + ret = 0; +out: + RETURN_FROM_TEST(ret); +} + +#define TEST2_VERSION_SZ 10327 +static int test2_prpw_aligned_10327bytes(int fd) +{ + /* somewhat arbitrarily chosen address */ + unsigned long paddr = + (start_addr[0] + 0x6000) & ~(ADI_BLKSZ - 1); + unsigned char version[TEST2_VERSION_SZ], + expected_version[TEST2_VERSION_SZ]; + loff_t offset; + int ret, i; + + for (i = 0; i < TEST2_VERSION_SZ; i++) { + version[i] = random_version(); + expected_version[i] = version[i]; + } + + offset = paddr / ADI_BLKSZ; + + ret = pwrite_adi(fd, version, sizeof(version), offset); + if (ret != sizeof(version)) + TEST_STEP_FAILURE(ret); + + ret = pread_adi(fd, version, sizeof(version), offset); + if (ret != sizeof(version)) + TEST_STEP_FAILURE(ret); + + for (i = 0; i < TEST2_VERSION_SZ; i++) { + if (expected_version[i] != version[i]) { + DEBUG_PRINT_L2( + "\tExpected version %d but read version %d\n", + expected_version, version[0]); + TEST_STEP_FAILURE(-expected_version[i]); + } + } + + ret = 0; +out: + RETURN_FROM_TEST(ret); +} + +#define TEST3_VERSION_SZ 12541 +static int test3_prpw_unaligned_12541bytes(int fd) +{ + /* somewhat arbitrarily chosen address */ + unsigned long paddr = + ((start_addr[0] + 0xC000) & ~(ADI_BLKSZ - 1)) + 17; + unsigned char version[TEST3_VERSION_SZ], + expected_version[TEST3_VERSION_SZ]; + loff_t offset; + int ret, i; + + for (i = 0; i < TEST3_VERSION_SZ; i++) { + version[i] = random_version(); + expected_version[i] = version[i]; + } + + offset = paddr / ADI_BLKSZ; + + ret = pwrite_adi(fd, version, sizeof(version), offset); + if (ret != sizeof(version)) + TEST_STEP_FAILURE(ret); + + ret = pread_adi(fd, version, sizeof(version), offset); + if (ret != sizeof(version)) + TEST_STEP_FAILURE(ret); + + for (i = 0; i < TEST3_VERSION_SZ; i++) { + if (expected_version[i] != version[i]) { + DEBUG_PRINT_L2( + "\tExpected version %d but read version %d\n", + expected_version, version[0]); + TEST_STEP_FAILURE(-expected_version[i]); + } + } + + ret = 0; +out: + RETURN_FROM_TEST(ret); +} + +static int test4_lseek(int fd) +{ +#define OFFSET_ADD (0x100) +#define OFFSET_SUBTRACT (0xFFFFFFF000000000) + + off_t offset_out, offset_in; + int ret; + + + offset_in = 0x123456789abcdef0; + offset_out = seek_adi(fd, offset_in, SEEK_SET); + if (offset_out != offset_in) { + ret = -1; + TEST_STEP_FAILURE(ret); + } + + /* seek to the current offset. this should return EINVAL */ + offset_out = seek_adi(fd, offset_in, SEEK_SET); + if (offset_out < 0 && errno == EINVAL) + DEBUG_PRINT_L2( + "\tSEEK_SET failed as designed. Not an error\n"); + else { + ret = -2; + TEST_STEP_FAILURE(ret); + } + + offset_out = seek_adi(fd, 0, SEEK_CUR); + if (offset_out != offset_in) { + ret = -3; + TEST_STEP_FAILURE(ret); + } + + offset_out = seek_adi(fd, OFFSET_ADD, SEEK_CUR); + if (offset_out != (offset_in + OFFSET_ADD)) { + ret = -4; + TEST_STEP_FAILURE(ret); + } + + offset_out = seek_adi(fd, OFFSET_SUBTRACT, SEEK_CUR); + if (offset_out != (offset_in + OFFSET_ADD + OFFSET_SUBTRACT)) { + ret = -5; + TEST_STEP_FAILURE(ret); + } + + ret = 0; +out: + RETURN_FROM_TEST(ret); +} + +static int test5_rw_aligned_1byte(int fd) +{ + /* somewhat arbitrarily chosen address */ + unsigned long paddr = + (end_addr[range_count - 1] - 0xF000) & ~(ADI_BLKSZ - 1); + unsigned char version, expected_version; + loff_t offset; + off_t oret; + int ret; + + offset = paddr / ADI_BLKSZ; + version = expected_version = random_version(); + + oret = seek_adi(fd, offset, SEEK_SET); + if (oret != offset) { + ret = -1; + TEST_STEP_FAILURE(ret); + } + + ret = write_adi(fd, &version, sizeof(version)); + if (ret != sizeof(version)) + TEST_STEP_FAILURE(ret); + + oret = seek_adi(fd, offset, SEEK_SET); + if (oret != offset) { + ret = -1; + TEST_STEP_FAILURE(ret); + } + + ret = read_adi(fd, &version, sizeof(version)); + if (ret != sizeof(version)) + TEST_STEP_FAILURE(ret); + + if (expected_version != version) { + DEBUG_PRINT_L2("\tExpected version %d but read version %d\n", + expected_version, version); + TEST_STEP_FAILURE(-expected_version); + } + + ret = 0; +out: + RETURN_FROM_TEST(ret); +} + +#define TEST6_VERSION_SZ 9434 +static int test6_rw_aligned_9434bytes(int fd) +{ + /* somewhat arbitrarily chosen address */ + unsigned long paddr = + (end_addr[range_count - 1] - 0x5F000) & ~(ADI_BLKSZ - 1); + unsigned char version[TEST6_VERSION_SZ], + expected_version[TEST6_VERSION_SZ]; + loff_t offset; + off_t oret; + int ret, i; + + offset = paddr / ADI_BLKSZ; + for (i = 0; i < TEST6_VERSION_SZ; i++) + version[i] = expected_version[i] = random_version(); + + oret = seek_adi(fd, offset, SEEK_SET); + if (oret != offset) { + ret = -1; + TEST_STEP_FAILURE(ret); + } + + ret = write_adi(fd, version, sizeof(version)); + if (ret != sizeof(version)) + TEST_STEP_FAILURE(ret); + + memset(version, 0, TEST6_VERSION_SZ); + + oret = seek_adi(fd, offset, SEEK_SET); + if (oret != offset) { + ret = -1; + TEST_STEP_FAILURE(ret); + } + + ret = read_adi(fd, version, sizeof(version)); + if (ret != sizeof(version)) + TEST_STEP_FAILURE(ret); + + for (i = 0; i < TEST6_VERSION_SZ; i++) { + if (expected_version[i] != version[i]) { + DEBUG_PRINT_L2( + "\tExpected version %d but read version %d\n", + expected_version[i], version[i]); + TEST_STEP_FAILURE(-expected_version[i]); + } + } + + ret = 0; +out: + RETURN_FROM_TEST(ret); +} + +#define TEST7_VERSION_SZ 14963 +static int test7_rw_aligned_14963bytes(int fd) +{ + /* somewhat arbitrarily chosen address */ + unsigned long paddr = + ((start_addr[range_count - 1] + 0xF000) & ~(ADI_BLKSZ - 1)) + 39; + unsigned char version[TEST7_VERSION_SZ], + expected_version[TEST7_VERSION_SZ]; + loff_t offset; + off_t oret; + int ret, i; + + offset = paddr / ADI_BLKSZ; + for (i = 0; i < TEST7_VERSION_SZ; i++) { + version[i] = random_version(); + expected_version[i] = version[i]; + } + + oret = seek_adi(fd, offset, SEEK_SET); + if (oret != offset) { + ret = -1; + TEST_STEP_FAILURE(ret); + } + + ret = write_adi(fd, version, sizeof(version)); + if (ret != sizeof(version)) + TEST_STEP_FAILURE(ret); + + memset(version, 0, TEST7_VERSION_SZ); + + oret = seek_adi(fd, offset, SEEK_SET); + if (oret != offset) { + ret = -1; + TEST_STEP_FAILURE(ret); + } + + ret = read_adi(fd, version, sizeof(version)); + if (ret != sizeof(version)) + TEST_STEP_FAILURE(ret); + + for (i = 0; i < TEST7_VERSION_SZ; i++) { + if (expected_version[i] != version[i]) { + DEBUG_PRINT_L2( + "\tExpected version %d but read version %d\n", + expected_version[i], version[i]); + TEST_STEP_FAILURE(-expected_version[i]); + } + + paddr += ADI_BLKSZ; + } + + ret = 0; +out: + RETURN_FROM_TEST(ret); +} + +static int (*tests[])(int fd) = { + test0_prpw_aligned_1byte, + test1_prpw_aligned_4096bytes, + test2_prpw_aligned_10327bytes, + test3_prpw_unaligned_12541bytes, + test4_lseek, + test5_rw_aligned_1byte, + test6_rw_aligned_9434bytes, + test7_rw_aligned_14963bytes, +}; +#define TEST_COUNT ARRAY_SIZE(tests) + +int main(int argc, char *argv[]) +{ + int fd, ret, test; + + ret = build_memory_map(); + if (ret < 0) + return ret; + + fd = open("/dev/adi", O_RDWR); + if (fd < 0) { + fprintf(stderr, "open: error %d: %s\n", + errno, strerror(errno)); + return -errno; + } + + for (test = 0; test < TEST_COUNT; test++) { + DEBUG_PRINT_L1("Running test #%d\n", test); + + ret = (*tests[test])(fd); + if (ret != 0) + ksft_test_result_fail("Test #%d failed: error %d\n", + test, ret); + else + ksft_test_result_pass("Test #%d passed\n", test); + } + + print_stats(); + close(fd); + + if (ksft_get_fail_cnt() > 0) + ksft_exit_fail(); + else + ksft_exit_pass(); + + /* it's impossible to get here, but the compiler throws a warning + * about control reaching the end of non-void function. bah. + */ + return 0; +} diff --git a/tools/testing/selftests/sparc64/drivers/drivers_test.sh b/tools/testing/selftests/sparc64/drivers/drivers_test.sh new file mode 100755 index 000000000000..6d08273b7532 --- /dev/null +++ b/tools/testing/selftests/sparc64/drivers/drivers_test.sh @@ -0,0 +1,30 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 + +SRC_TREE=../../../../ + +test_run() +{ + if [ -f ${SRC_TREE}/drivers/char/adi.ko ]; then + insmod ${SRC_TREE}/drivers/char/adi.ko 2> /dev/null + if [ $? -ne 0 ]; then + rc=1 + fi + else + # Use modprobe dry run to check for missing adi module + if ! /sbin/modprobe -q -n adi; then + echo "adi: [SKIP]" + elif /sbin/modprobe -q adi; then + echo "adi: ok" + else + echo "adi: [FAIL]" + rc=1 + fi + fi + ./adi-test + rmmod adi 2> /dev/null +} + +rc=0 +test_run +exit $rc diff --git a/tools/testing/selftests/sparc64/run.sh b/tools/testing/selftests/sparc64/run.sh new file mode 100755 index 000000000000..38ad61f9328e --- /dev/null +++ b/tools/testing/selftests/sparc64/run.sh @@ -0,0 +1,3 @@ +#!/bin/sh + +(cd drivers; ./drivers_test.sh)