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Tue, 23 Aug 2022 14:53:18 -0700 From: Jae Hyun Yoo To: Michal Simek , Ovidiu Panait , Simon Glass , Mario Six , Masahisa Kojima , =?utf-8?q?Pali_Roh=C3=A1r?= , Heinrich Schuchardt , Ashok Reddy Soma , "Thomas Huth" , Huang Jianan , Chris Morgan , Roland Gaudig , Patrick Delaunay , Alexandru Gagniuc CC: Jamie Iles , Graeme Gregory , =?utf-8?q?C=C3=A9dric_Le_Goater?= , Jae Hyun Yoo , Subject: [PATCH v3 4/7] cmd: fru: add product info area parsing support Date: Tue, 23 Aug 2022 14:52:57 -0700 Message-ID: <20220823215300.1485789-5-quic_jaehyoo@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220823215300.1485789-1-quic_jaehyoo@quicinc.com> References: <20220823215300.1485789-1-quic_jaehyoo@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: _lckl51sTWqNZZfFpqXSaB9PVUasNOZW X-Proofpoint-ORIG-GUID: _lckl51sTWqNZZfFpqXSaB9PVUasNOZW X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-08-23_09,2022-08-22_02,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 mlxscore=0 bulkscore=0 lowpriorityscore=0 clxscore=1015 impostorscore=0 malwarescore=0 phishscore=0 mlxlogscore=999 spamscore=0 adultscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2207270000 definitions=main-2208230082 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.6 at phobos.denx.de X-Virus-Status: Clean Add product info area parsing support. Custom board fields can be added dynamically using linked list so that each board support can utilize them in their own custom way. Signed-off-by: Jae Hyun Yoo --- Changes from v2: * Changed 'struct fru_board_info_member' to 'struct fru_common_info_member'. Changes from v1: * Refactored using linked list instead of calling a custom parsing callback. Changes from RFC: * Added manufacturer custom product info fields parsing flow. cmd/fru.c | 28 ++++-- include/fru.h | 34 ++++++- lib/fru_ops.c | 244 +++++++++++++++++++++++++++++++++++++++++++++++--- 3 files changed, 286 insertions(+), 20 deletions(-) diff --git a/cmd/fru.c b/cmd/fru.c index b2cadbec9780..42bdaae09449 100644 --- a/cmd/fru.c +++ b/cmd/fru.c @@ -43,11 +43,22 @@ static int do_fru_display(struct cmd_tbl *cmdtp, int flag, int argc, static int do_fru_generate(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) { + int (*fru_generate)(const void *addr, int argc, char *const argv[]); unsigned long addr; const void *buf; - int ret; + int ret, maxargs; + + if (!strncmp(argv[2], "-b", 3)) { + fru_generate = fru_board_generate; + maxargs = cmdtp->maxargs + FRU_BOARD_AREA_TOTAL_FIELDS; + } else if (!strncmp(argv[2], "-p", 3)) { + fru_generate = fru_product_generate; + maxargs = cmdtp->maxargs + FRU_PRODUCT_AREA_TOTAL_FIELDS; + } else { + return CMD_RET_USAGE; + } - if (argc < cmdtp->maxargs) + if (argc < maxargs) return CMD_RET_USAGE; addr = hextoul(argv[3], NULL); @@ -62,7 +73,7 @@ static int do_fru_generate(struct cmd_tbl *cmdtp, int flag, int argc, static struct cmd_tbl cmd_fru_sub[] = { U_BOOT_CMD_MKENT(capture, 3, 0, do_fru_capture, "", ""), U_BOOT_CMD_MKENT(display, 2, 0, do_fru_display, "", ""), - U_BOOT_CMD_MKENT(board_gen, 8, 0, do_fru_generate, "", ""), + U_BOOT_CMD_MKENT(generate, 4, 0, do_fru_generate, "", ""), }; static int do_fru(struct cmd_tbl *cmdtp, int flag, int argc, @@ -90,11 +101,16 @@ static char fru_help_text[] = "capture - Parse and capture FRU table present at address.\n" "fru display - Displays content of FRU table that was captured using\n" " fru capture command\n" - "fru board_gen \n" - " [custom ...] - Generate FRU\n" - " format with board info area filled based on\n" + "fru generate -b \n" + " [custom ...] - Generate FRU\n" + " format with board info area filled based on\n" " parameters. is pointing to place where FRU is\n" " generated.\n" + "fru generate -p \n" + " \n" + " [custom ...] - Generate FRU format with\n" + " product info area filled based on parameters. \n" + " is pointing to place where FRU is generated.\n" ; #endif diff --git a/include/fru.h b/include/fru.h index b158b80b5866..2b19033a3843 100644 --- a/include/fru.h +++ b/include/fru.h @@ -31,7 +31,13 @@ struct fru_board_info_header { u8 time[3]; } __packed; -struct fru_board_info_member { +struct fru_product_info_header { + u8 ver; + u8 len; + u8 lang_code; +} __packed; + +struct fru_common_info_member { u8 type_len; u8 *name; } __packed; @@ -64,6 +70,27 @@ struct fru_board_data { struct list_head custom_fields; }; +struct fru_product_data { + u8 ver; + u8 len; + u8 lang_code; + u8 manufacturer_type_len; + u8 manufacturer_name[FRU_INFO_FIELD_LEN_MAX]; + u8 product_name_type_len; + u8 product_name[FRU_INFO_FIELD_LEN_MAX]; + u8 part_number_type_len; + u8 part_number[FRU_INFO_FIELD_LEN_MAX]; + u8 version_number_type_len; + u8 version_number[FRU_INFO_FIELD_LEN_MAX]; + u8 serial_number_type_len; + u8 serial_number[FRU_INFO_FIELD_LEN_MAX]; + u8 asset_number_type_len; + u8 asset_number[FRU_INFO_FIELD_LEN_MAX]; + u8 file_id_type_len; + u8 file_id[FRU_INFO_FIELD_LEN_MAX]; + struct list_head custom_fields; +}; + struct fru_multirec_hdr { u8 rec_type; u8 type; @@ -85,6 +112,7 @@ struct fru_multirec_node { struct fru_table { struct fru_common_hdr hdr; struct fru_board_data brd; + struct fru_product_data prd; struct list_head multi_recs; bool captured; }; @@ -102,13 +130,15 @@ struct fru_table { /* This should be minimum of fields */ #define FRU_BOARD_AREA_TOTAL_FIELDS 5 +#define FRU_PRODUCT_AREA_TOTAL_FIELDS 7 #define FRU_TYPELEN_TYPE_SHIFT 6 #define FRU_TYPELEN_TYPE_BINARY 0 #define FRU_TYPELEN_TYPE_ASCII8 3 int fru_display(int verbose); int fru_capture(const void *addr); -int fru_generate(const void *addr, int argc, char *const argv[]); +int fru_board_generate(const void *addr, int argc, char *const argv[]); +int fru_product_generate(const void *addr, int argc, char *const argv[]); u8 fru_checksum(u8 *addr, u8 len); int fru_check_type_len(u8 type_len, u8 language, u8 *type); const struct fru_table *fru_get_fru_data(void); diff --git a/lib/fru_ops.c b/lib/fru_ops.c index 6ed1388b2fc8..b6197d3e250f 100644 --- a/lib/fru_ops.c +++ b/lib/fru_ops.c @@ -16,9 +16,18 @@ struct fru_table fru_data __section(".data") = { .brd.custom_fields = LIST_HEAD_INIT(fru_data.brd.custom_fields), + .prd.custom_fields = LIST_HEAD_INIT(fru_data.prd.custom_fields), .multi_recs = LIST_HEAD_INIT(fru_data.multi_recs), }; +static const char * const fru_typecode_str[] = { + "Binary/Unspecified", + "BCD plus", + "6-bit ASCII", + "8-bit ASCII", + "2-byte UNICODE" +}; + static u16 fru_cal_area_len(u8 len) { return len * FRU_COMMON_HDR_LEN_MULTIPLIER; @@ -77,9 +86,9 @@ int fru_check_type_len(u8 type_len, u8 language, u8 *type) static u8 fru_gen_type_len(u8 *addr, char *name) { int len = strlen(name); - struct fru_board_info_member *member; + struct fru_common_info_member *member; - member = (struct fru_board_info_member *)addr; + member = (struct fru_common_info_member *)addr; member->type_len = FRU_TYPELEN_TYPE_ASCII8 << FRU_TYPELEN_TYPE_SHIFT; member->type_len |= len; @@ -91,7 +100,7 @@ static u8 fru_gen_type_len(u8 *addr, char *name) return 1 + len; } -int fru_generate(const void *addr, int argc, char *const argv[]) +int fru_board_generate(const void *addr, int argc, char *const argv[]) { struct fru_common_hdr *header = (struct fru_common_hdr *)addr; struct fru_board_info_header *board_info; @@ -161,6 +170,74 @@ int fru_generate(const void *addr, int argc, char *const argv[]) return 0; } +int fru_product_generate(const void *addr, int argc, char *const argv[]) +{ + struct fru_common_hdr *header = (struct fru_common_hdr *)addr; + struct fru_product_info_header *product_info; + u8 *member; + u8 len, pad, modulo; + + header->version = 1; /* Only version 1.0 is supported now */ + header->off_internal = 0; /* not present */ + header->off_chassis = 0; /* not present */ + header->off_board = 0; /* not present */ + header->off_product = (sizeof(*header)) / 8; /* Starting offset 8 */ + header->off_multirec = 0; /* not present */ + header->pad = 0; + /* + * This unsigned byte can be used to calculate a zero checksum + * for the data area following the header. I.e. the modulo 256 sum of + * the record data bytes plus the checksum byte equals zero. + */ + header->crc = 0; /* Clear before calculation */ + header->crc = 0 - fru_checksum((u8 *)header, sizeof(*header)); + + /* board info is just right after header */ + product_info = (void *)((u8 *)header + sizeof(*header)); + + debug("header %lx, product_info %lx\n", (ulong)header, + (ulong)product_info); + + product_info->ver = 1; /* 1.0 spec */ + product_info->lang_code = 0; /* English */ + + /* Member fields are just after board_info header */ + member = (u8 *)product_info + sizeof(*product_info); + + while (--argc > 0 && ++argv) { + len = fru_gen_type_len(member, *argv); + member += len; + } + + *member++ = 0xc1; /* Indication of no more fields */ + + len = member - (u8 *)product_info; /* Find current length */ + len += 1; /* Add checksum there too for calculation */ + + modulo = len % 8; + + if (modulo) { + /* Do not fill last item which is checksum */ + for (pad = 0; pad < 8 - modulo; pad++) + *member++ = 0; + + /* Increase structure size */ + len += 8 - modulo; + } + + product_info->len = len / 8; /* Size in multiples of 8 bytes */ + + *member = 0; /* Clear before calculation */ + *member = 0 - fru_checksum((u8 *)product_info, len); + + debug("checksum %x(addr %x)\n", *member, len); + + env_set_hex("fru_addr", (ulong)addr); + env_set_hex("filesize", (ulong)member - (ulong)addr + 1); + + return 0; +} + static void fru_delete_custom_fields(struct list_head *custom_fields) { struct fru_custom_field_node *node, *next; @@ -258,6 +335,74 @@ static int fru_parse_board(const void *addr) return 0; } +static int fru_parse_product(const void *addr) +{ + u8 i, type; + int len; + u8 *data, *term, *limit; + + memcpy(&fru_data.prd.ver, (void *)addr, 6); + addr += 3; + data = (u8 *)&fru_data.prd.manufacturer_type_len; + + /* Record max structure limit not to write data over allocated space */ + limit = (u8 *)&fru_data.prd + sizeof(struct fru_product_data) - + sizeof(struct fru_custom_field_node *); + + for (i = 0; ; i++, data += FRU_INFO_FIELD_LEN_MAX) { + len = fru_check_type_len(*(u8 *)addr, fru_data.prd.lang_code, + &type); + /* + * Stop cature if it end of fields + */ + if (len == -EINVAL) + break; + + if (i < FRU_PRODUCT_AREA_TOTAL_FIELDS) { + /* Stop when length is more then fields to record */ + if (data + len > limit) + break; + + /* This record type/len field */ + *data++ = *(u8 *)addr; + } + + /* Add offset to match data */ + addr += 1; + + /* If len is 0 it means empty field that's why skip writing */ + if (!len) + continue; + + if (i < FRU_PRODUCT_AREA_TOTAL_FIELDS) { + /* Record data field */ + memcpy(data, (u8 *)addr, len); + term = data + (u8)len; + *term = 0; + } else { + struct list_head *custom_fields; + + custom_fields = &fru_data.prd.custom_fields; + + /* Add a custom info field */ + if (fru_append_custom_info(addr - 1, custom_fields)) { + fru_delete_custom_fields(custom_fields); + return -EINVAL; + } + } + + addr += len; + } + + if (i < FRU_PRODUCT_AREA_TOTAL_FIELDS) { + printf("Product area require minimum %d fields\n", + FRU_PRODUCT_AREA_TOTAL_FIELDS); + return -EINVAL; + } + + return 0; +} + static void fru_delete_multirecs(struct list_head *multi_recs) { struct fru_multirec_node *node, *next; @@ -320,9 +465,11 @@ int fru_capture(const void *addr) hdr = (struct fru_common_hdr *)addr; fru_delete_custom_fields(&fru_data.brd.custom_fields); + fru_delete_custom_fields(&fru_data.prd.custom_fields); fru_delete_multirecs(&fru_data.multi_recs); memset((void *)&fru_data, 0, sizeof(fru_data)); INIT_LIST_HEAD(&fru_data.brd.custom_fields); + INIT_LIST_HEAD(&fru_data.prd.custom_fields); INIT_LIST_HEAD(&fru_data.multi_recs); memcpy((void *)&fru_data, (void *)hdr, sizeof(struct fru_common_hdr)); @@ -331,6 +478,9 @@ int fru_capture(const void *addr) if (hdr->off_board) fru_parse_board(addr + fru_cal_area_len(hdr->off_board)); + if (hdr->off_product) + fru_parse_product(addr + fru_cal_area_len(hdr->off_product)); + if (hdr->off_multirec) fru_parse_multirec(addr + fru_cal_area_len(hdr->off_multirec)); @@ -341,13 +491,6 @@ int fru_capture(const void *addr) static int fru_display_board(struct fru_board_data *brd, int verbose) { - static const char * const typecode[] = { - "Binary/Unspecified", - "BCD plus", - "6-bit ASCII", - "8-bit ASCII", - "2-byte UNICODE" - }; static const char * const boardinfo[] = { "Manufacturer Name", "Product Name", @@ -389,9 +532,9 @@ static int fru_display_board(struct fru_board_data *brd, int verbose) if (type <= FRU_TYPELEN_TYPE_ASCII8 && (brd->lang_code == FRU_LANG_CODE_ENGLISH || brd->lang_code == FRU_LANG_CODE_ENGLISH_1)) - debug("Type code: %s\n", typecode[type]); + debug("Type code: %s\n", fru_typecode_str[type]); else - debug("Type code: %s\n", typecode[type + 1]); + debug("Type code: %s\n", fru_typecode_str[type + 1]); if (!len) { debug("%s not found\n", boardinfo[i]); @@ -424,6 +567,79 @@ static int fru_display_board(struct fru_board_data *brd, int verbose) return 0; } +static int fru_display_product(struct fru_product_data *prd, int verbose) +{ + static const char * const productinfo[] = { + "Manufacturer Name", + "Product Name", + "Part Number", + "Version Number", + "Serial Number", + "Asset Number", + "File ID", + }; + struct fru_custom_field_node *node; + u8 *data; + u8 type; + int len; + + if (verbose) { + printf("*****PRODUCT INFO*****\n"); + printf("Version:%d\n", fru_version(prd->ver)); + printf("Product Area Length:%d\n", fru_cal_area_len(prd->len)); + } + + if (fru_check_language(prd->lang_code)) + return -EINVAL; + + data = (u8 *)&prd->manufacturer_type_len; + + for (u8 i = 0; i < (sizeof(productinfo) / sizeof(*productinfo)); i++) { + len = fru_check_type_len(*data++, prd->lang_code, + &type); + if (len == -EINVAL) { + printf("**** EOF for Product Area ****\n"); + break; + } + + if (type <= FRU_TYPELEN_TYPE_ASCII8 && + (prd->lang_code == FRU_LANG_CODE_ENGLISH || + prd->lang_code == FRU_LANG_CODE_ENGLISH_1)) + debug("Type code: %s\n", fru_typecode_str[type]); + else + debug("Type code: %s\n", fru_typecode_str[type + 1]); + + if (!len) { + debug("%s not found\n", productinfo[i]); + continue; + } + + switch (type) { + case FRU_TYPELEN_TYPE_BINARY: + debug("Length: %d\n", len); + printf(" %s: 0x%x\n", productinfo[i], *data); + break; + case FRU_TYPELEN_TYPE_ASCII8: + debug("Length: %d\n", len); + printf(" %s: %s\n", productinfo[i], data); + break; + default: + debug("Unsupported type %x\n", type); + } + + data += FRU_INFO_FIELD_LEN_MAX; + } + + list_for_each_entry(node, &prd->custom_fields, list) { + printf(" Custom Type/Length: 0x%x\n", node->info.type_len); + print_hex_dump_bytes(" ", DUMP_PREFIX_OFFSET, node->info.data, + node->info.type_len & + FRU_TYPELEN_LEN_MASK); + } + + return 0; +} + static int fru_display_multirec(struct list_head *multi_recs, int verbose) { struct fru_multirec_node *node; @@ -495,6 +711,10 @@ int fru_display(int verbose) if (ret) return ret; + ret = fru_display_product(&fru_data.prd, verbose); + if (ret) + return ret; + return fru_display_multirec(&fru_data.multi_recs, verbose); }