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| -rw-r--r-- | LICENSE | 201 | ||||
| -rw-r--r-- | Makefile | 14 | ||||
| -rw-r--r-- | common.c | 107 | ||||
| -rw-r--r-- | common.h | 42 | ||||
| -rw-r--r-- | mbox.h | 53 |
5 files changed, 417 insertions, 0 deletions
@@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright {yyyy} {name of copyright owner} + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..9745852 --- /dev/null +++ b/Makefile @@ -0,0 +1,14 @@ +CFLAGS = -Wall -O2 -g + +ifdef KERNEL_HEADERS + CFLAGS += -I$(KERNEL_HEADERS) +endif + +EXE = + +all: $(EXE) + +$(EXE): common.o + +clean: + rm -rf *.o $(EXE) diff --git a/common.c b/common.c new file mode 100644 index 0000000..a0fe9e2 --- /dev/null +++ b/common.c @@ -0,0 +1,107 @@ +/* Copyright 2016 IBM + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +#define _GNU_SOURCE +#include <stdarg.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdint.h> +#include <string.h> +#include <sys/types.h> +#include <syslog.h> +#include <time.h> + +#include "common.h" + +void mbox_log_console(int p, const char *fmt, va_list args) +{ + struct timespec time; + FILE *s = (p < LOG_WARNING) ? stdout : stderr; + + clock_gettime(CLOCK_REALTIME, &time); + + fprintf(s, "[%s %ld.%.9ld] ", PREFIX, time.tv_sec, time.tv_nsec); + + vfprintf(s, fmt, args); +} + +__attribute__((format(printf, 2, 3))) +void mbox_log(int p, const char *fmt, ...) +{ + va_list args; + + va_start(args, fmt); + mbox_vlog(p, fmt, args); + va_end(args); +} + +uint16_t get_u16(uint8_t *ptr) +{ + return *(uint16_t *)ptr; +} + +void put_u16(uint8_t *ptr, uint16_t val) +{ + memcpy(ptr, &val, sizeof(val)); +} + +uint32_t get_u32(uint8_t *ptr) +{ + return *(uint32_t *)ptr; +} + +void put_u32(uint8_t *ptr, uint32_t val) +{ + memcpy(ptr, &val, sizeof(val)); +} + + +static bool is_pnor_part(const char *str) +{ + return strcasestr(str, "pnor") != NULL; +} + +char *get_dev_mtd(void) +{ + FILE *f; + char *ret = NULL, *pos = NULL; + char line[255]; + + f = fopen("/proc/mtd", "r"); + if (!f) + return NULL; + + while (!pos && fgets(line, sizeof(line), f) != NULL) { + /* Going to have issues if we didn't get the full line */ + if (line[strlen(line) - 1] != '\n') + break; + + if (is_pnor_part(line)) { + pos = strchr(line, ':'); + if (!pos) + break; + } + } + fclose(f); + + if (pos) { + *pos = '\0'; + if (asprintf(&ret, "/dev/%s", line) == -1) + ret = NULL; + } + + return ret; +} diff --git a/common.h b/common.h new file mode 100644 index 0000000..dc92934 --- /dev/null +++ b/common.h @@ -0,0 +1,42 @@ +/* Copyright 2016 IBM + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +#ifndef PREFIX +#define PREFIX "" +#endif + +enum { + MBOX_LOG_NONE = 0, + MBOX_LOG_VERBOSE = 1, + MBOX_LOG_DEBUG = 2 +} verbosity; + +void (*mbox_vlog)(int p, const char *fmt, va_list args); + +void mbox_log_console(int p, const char *fmt, va_list args); + +__attribute__((format(printf, 2, 3))) +void mbox_log(int p, const char *fmt, ...); + +uint16_t get_u16(uint8_t *ptr); + +void put_u16(uint8_t *ptr, uint16_t val); + +uint32_t get_u32(uint8_t *ptr); + +void put_u32(uint8_t *ptr, uint32_t val); + +char *get_dev_mtd(void); @@ -0,0 +1,53 @@ +/* Copyright 2016 IBM + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +#define MBOX_C_RESET_STATE 0x01 +#define MBOX_C_GET_MBOX_INFO 0x02 +#define MBOX_C_GET_FLASH_INFO 0x03 +#define MBOX_C_READ_WINDOW 0x04 +#define MBOX_C_CLOSE_WINDOW 0x05 +#define MBOX_C_WRITE_WINDOW 0x06 +#define MBOX_C_WRITE_DIRTY 0x07 +#define MBOX_C_WRITE_FENCE 0x08 +#define MBOX_C_ACK 0x09 +#define MBOX_C_COMPLETED_COMMANDS 0x0a + +#define MBOX_R_SUCCESS 0x01 +#define MBOX_R_PARAM_ERROR 0x02 +#define MBOX_R_WRITE_ERROR 0x03 +#define MBOX_R_SYSTEM_ERROR 0x4 +#define MBOX_R_TIMEOUT 0x05 + +#define MBOX_HOST_PATH "/dev/aspeed-mbox" +#define MBOX_HOST_TIMEOUT_SEC 1 +#define MBOX_DATA_BYTES 11 +#define MBOX_REG_BYTES 16 +#define MBOX_HOST_BYTE 14 +#define MBOX_BMC_BYTE 15 + +struct mbox_msg { + uint8_t command; + uint8_t seq; + uint8_t data[MBOX_DATA_BYTES]; + uint8_t response; +}; + +union mbox_regs { + char raw[MBOX_REG_BYTES]; + struct mbox_msg msg; +}; + + |
