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authorHariharasubramanian R <hramasub@in.ibm.com>2015-10-16 06:47:56 -0500
committerPatrick Williams <patrick@stwcx.xyz>2015-10-31 23:00:11 -0500
commitc2d7946a5ba027fe3cc88de953d17383bfdfed23 (patch)
tree34165b3f35a84b7799439965272b1b9f917bb768
parent4447309a25106fb0a9b174673f198357b5822cbb (diff)
downloadipmi-fru-parser-c2d7946a5ba027fe3cc88de953d17383bfdfed23.tar.gz
ipmi-fru-parser-c2d7946a5ba027fe3cc88de953d17383bfdfed23.zip
Add interface to parse fru data into a dictionary.
-rw-r--r--frup.c428
-rw-r--r--frup.h11
2 files changed, 423 insertions, 16 deletions
diff --git a/frup.c b/frup.c
index d3471ff..d280a99 100644
--- a/frup.c
+++ b/frup.c
@@ -43,12 +43,25 @@
#include <unistd.h>
#include <string.h>
#include <time.h>
+#include <systemd/sd-bus.h>
+#define IPMI_FRU_PARSER_DEBUG 1
#define uint8_t unsigned char
#define uint32_t unsigned int
-#define ASSERT(x) if(!(x)) return -1;
-
+#define TEXTSTR(a) #a
+# define ASSERT(x) \
+do { \
+if (0 == (x)) { \
+fprintf(stderr, \
+"Assertion failed: %s, " \
+"%d at \'%s\'\n", \
+__FILE__, \
+__LINE__, \
+TEXTSTR(a)); \
+return -1; \
+} \
+} while (0)
#define IPMI_FRU_AREA_TYPE_LENGTH_FIELD_MAX 512
#define IPMI_FRU_SENTINEL_VALUE 0xC1
@@ -57,6 +70,16 @@
#define IPMI_FRU_TYPE_LENGTH_NUMBER_OF_DATA_BYTES_MASK 0x3F
#define IPMI_FRU_TYPE_LENGTH_TYPE_CODE_LANGUAGE_CODE 0x03
+/* OpenBMC defines for Parser */
+#define IPMI_FRU_AREA_INTERNAL_USE 0x00
+#define IPMI_FRU_AREA_CHASSIS_INFO 0x01
+#define IPMI_FRU_AREA_BOARD_INFO 0x02
+#define IPMI_FRU_AREA_PRODUCT_INFO 0x03
+#define IPMI_FRU_AREA_MULTI_RECORD 0x04
+#define IPMI_FRU_AREA_TYPE_MAX 0x05
+
+#define OPENBMC_VPD_KEY_LEN 64
+#define OPENBMC_VPD_VAL_LEN 512
struct ipmi_fru_field
{
@@ -66,7 +89,93 @@ struct ipmi_fru_field
};
typedef struct ipmi_fru_field ipmi_fru_field_t;
+/*
+ * FRU Parser
+ */
+
+typedef struct ipmi_fru_area_info
+{
+ uint8_t off;
+ uint8_t len;
+} ipmi_fru_area_info_t;
+
+typedef struct ipmi_fru_common_hdr
+{
+ uint8_t fmtver;
+ uint8_t internal;
+ uint8_t chassis;
+ uint8_t board;
+ uint8_t product;
+ uint8_t multirec;
+} __attribute__((packed)) ipmi_fru_common_hdr_t;
+
+enum openbmc_vpd_key_id
+{
+ OPENBMC_VPD_KEY_CHASSIS_TYPE = 1, /* not a type/len */
+ OPENBMC_VPD_KEY_CHASSIS_PART_NUM,
+ OPENBMC_VPD_KEY_CHASSIS_SERIAL_NUM,
+ OPENBMC_VPD_KEY_CHASSIS_MAX = OPENBMC_VPD_KEY_CHASSIS_SERIAL_NUM,
+ /* TODO: chassis_custom_fields */
+
+ OPENBMC_VPD_KEY_BOARD_MFG_DATE, /* not a type/len */
+ OPENBMC_VPD_KEY_BOARD_MFR,
+ OPENBMC_VPD_KEY_BOARD_NAME,
+ OPENBMC_VPD_KEY_BOARD_SERIAL_NUM,
+ OPENBMC_VPD_KEY_BOARD_PART_NUM,
+ OPENBMC_VPD_KEY_BOARD_FRU_FILE_ID,
+ OPENBMC_VPD_KEY_BOARD_MAX = OPENBMC_VPD_KEY_BOARD_FRU_FILE_ID,
+ /* TODO: board_custom_fields */
+
+ OPENBMC_VPD_KEY_PRODUCT_MFR,
+ OPENBMC_VPD_KEY_PRODUCT_NAME,
+ OPENBMC_VPD_KEY_PRODUCT_PART_MODEL_NUM,
+ OPENBMC_VPD_KEY_PRODUCT_VER,
+ OPENBMC_VPD_KEY_PRODUCT_SERIAL_NUM,
+ OPENBMC_VPD_KEY_PRODUCT_ASSET_TAG,
+ OPENBMC_VPD_KEY_PRODUCT_FRU_FILE_ID,
+ OPENBMC_VPD_KEY_PRODUCT_MAX = OPENBMC_VPD_KEY_PRODUCT_FRU_FILE_ID,
+ /* TODO: product_custom_fields */
+
+ OPENBMC_VPD_KEY_MAX,
+
+};
+
+const char* vpd_key_names [] =
+{
+ "Key Names Table Start",
+ "Chassis Type", /*OPENBMC_VPD_KEY_CHASSIS_TYPE*/
+ "Chassis Part Number", /*OPENBMC_VPD_KEY_CHASSIS_PART_NUM,*/
+ "Chassis Serial Number", /*OPENBMC_VPD_KEY_CHASSIS_SERIAL_NUM,*/
+
+ /* TODO: chassis_custom_fields */
+
+ "Board Mfg Date", /* OPENBMC_VPD_KEY_BOARD_MFG_DATE, */ /* not a type/len */
+ "Board Manufacturer", /* OPENBMC_VPD_KEY_BOARD_MFR, */
+ "Board Name", /* OPENBMC_VPD_KEY_BOARD_NAME, */
+ "Board Serial Number", /* OPENBMC_VPD_KEY_BOARD_SERIAL_NUM, */
+ "Board Part Number", /* OPENBMC_VPD_KEY_BOARD_PART_NUM, */
+ "Board FRU File ID", /* OPENBMC_VPD_KEY_BOARD_FRU_FILE_ID, */
+ /* TODO: board_custom_fields */
+
+ "Product Manufacturer", /* OPENBMC_VPD_KEY_PRODUCT_MFR, */
+ "Product Name", /* OPENBMC_VPD_KEY_PRODUCT_NAME, */
+ "Product Model Number", /* OPENBMC_VPD_KEY_PRODUCT_PART_MODEL_NUM, */
+ "Product Version", /* OPENBMC_VPD_KEY_PRODUCT_VER, */
+ "Product Serial Number", /* OPENBMC_VPD_KEY_PRODUCT_SERIAL_NUM, */
+ "Product Asset Tag", /* OPENBMC_VPD_KEY_PRODUCT_ASSET_TAG, */
+ "Product FRU File ID", /* OPENBMC_VPD_KEY_PRODUCT_FRU_FILE_ID, */
+ /* TODO: product_custom_fields */
+
+ "Key Names Table End" /*OPENBMC_VPD_KEY_MAX,*/
+};
+
+/*
+ * --------------------------------------------------------------------
+ *
+ * --------------------------------------------------------------------
+ */
+/* private method to parse type/length */
static int
_parse_type_length (const void *areabuf,
unsigned int areabuflen,
@@ -84,14 +193,14 @@ _parse_type_length (const void *areabuf,
type_length = areabufptr[current_area_offset];
- /* IPMI Workaround
+ /* ipmi workaround
*
- * Dell P weredge R610
+ * dell p weredge r610
*
- * My reading of the FRU Spec is that all non-custom fields are
- * required to be listed by the vendor. However, on this
+ * my reading of the fru spec is that all non-custom fields are
+ * required to be listed by the vendor. however, on this
* motherboard, some areas list this, indicating that there is
- * no more data to be parsed. So now, for "required" fields, I
+ * no more data to be parsed. so now, for "required" fields, i
* check to see if the type-length field is a sentinel before
* calling this function.
*/
@@ -101,8 +210,8 @@ _parse_type_length (const void *areabuf,
type_code = (type_length & IPMI_FRU_TYPE_LENGTH_TYPE_CODE_MASK) >> IPMI_FRU_TYPE_LENGTH_TYPE_CODE_SHIFT;
(*number_of_data_bytes) = type_length & IPMI_FRU_TYPE_LENGTH_NUMBER_OF_DATA_BYTES_MASK;
- /* Special Case: This shouldn't be a length of 0x01 (see type/length
- * byte format in FRU Information Storage Definition).
+ /* special case: this shouldn't be a length of 0x01 (see type/length
+ * byte format in fru information storage definition).
*/
if (type_code == IPMI_FRU_TYPE_LENGTH_TYPE_CODE_LANGUAGE_CODE
&& (*number_of_data_bytes) == 0x01)
@@ -294,19 +403,19 @@ ipmi_fru_board_info_area (const void *areabuf,
/* mfg_date_time is in minutes, so multiple by 60 to get seconds */
mfg_date_time_tmp *= 60;
- /* Posix says individual calls need not clear/set all portions of
+ /* posix says individual calls need not clear/set all portions of
* 'struct tm', thus passing 'struct tm' between functions could
- * have issues. So we need to memset.
+ * have issues. so we need to memset.
*/
memset (&tm, '\0', sizeof(struct tm));
- /* In FRU, epoch is 0:00 hrs 1/1/96
+ /* in fru, epoch is 0:00 hrs 1/1/96
*
- * So convert into ansi epoch
+ * so convert into ansi epoch
*/
tm.tm_year = 96; /* years since 1900 */
- tm.tm_mon = 0; /* months since January */
+ tm.tm_mon = 0; /* months since january */
tm.tm_mday = 1; /* 1-31 */
tm.tm_hour = 0;
tm.tm_min = 0;
@@ -363,8 +472,7 @@ ipmi_fru_board_info_area (const void *areabuf,
if (areabufptr[area_offset] == IPMI_FRU_SENTINEL_VALUE)
goto out;
- if (_parse_type_length (
- areabufptr,
+ if (_parse_type_length (areabufptr,
areabuflen,
area_offset,
&number_of_data_bytes,
@@ -597,3 +705,291 @@ ipmi_fru_product_info_area (const void *areabuf,
cleanup:
return (rv);
}
+
+
+int
+parse_fru (const void* msgbuf, sd_bus_message* vpdtbl)
+{
+ int ret = 0;
+ int rv = -1;
+ int i = 0;
+ ipmi_fru_area_info_t fru_area_info [ IPMI_FRU_AREA_TYPE_MAX ];
+ ipmi_fru_common_hdr_t* chdr = NULL;
+ uint8_t* hdr = NULL;
+
+
+ ipmi_fru_field_t vpd_info [ OPENBMC_VPD_KEY_MAX ];
+ /*char ipmi_fru_field_str [ IPMI_FRU_AREA_TYPE_LENGTH_FIELD_MAX ];
+ uint32_t len=0;*/
+ const uint8_t* ipmi_fru_field_str;
+
+ /* Chassis */
+ uint8_t chassis_type;
+
+ /* Board */
+ uint32_t mfg_date_time;
+
+ /* Product */
+ unsigned int product_custom_fields_len;
+
+ ASSERT (msgbuf);
+ ASSERT (vpdtbl);
+
+ for (i=0; i<OPENBMC_VPD_KEY_MAX; i++)
+ {
+ memset (vpd_info[i].type_length_field, '\0', IPMI_FRU_AREA_TYPE_LENGTH_FIELD_MAX);
+ vpd_info[i].type_length_field_length = 0;
+ }
+
+ for (i=0; i<IPMI_FRU_AREA_TYPE_MAX; i++)
+ {
+ fru_area_info [ i ].off = 0;
+ fru_area_info [ i ].len = 0;
+ }
+
+ chdr = (ipmi_fru_common_hdr_t*) msgbuf;
+ hdr = (uint8_t*) msgbuf;
+
+ fru_area_info [ IPMI_FRU_AREA_INTERNAL_USE ].off = chdr->internal;
+ fru_area_info [ IPMI_FRU_AREA_CHASSIS_INFO ].off = chdr->chassis;
+ fru_area_info [ IPMI_FRU_AREA_BOARD_INFO ].off = chdr->board;
+ fru_area_info [ IPMI_FRU_AREA_PRODUCT_INFO ].off = chdr->product;
+ fru_area_info [ IPMI_FRU_AREA_MULTI_RECORD ].off = chdr->multirec;
+
+ if (chdr->internal)
+ {
+ fru_area_info [ IPMI_FRU_AREA_INTERNAL_USE ].len = 8*(*(hdr+8*chdr->internal+1));
+
+ /* TODO: Parse internal use area */
+ }
+
+ if (chdr->chassis)
+ {
+ fru_area_info [ IPMI_FRU_AREA_CHASSIS_INFO ].len = 8*(*(hdr+8*chdr->chassis+1));
+ ipmi_fru_chassis_info_area (hdr+8*chdr->chassis+2,
+ fru_area_info [ IPMI_FRU_AREA_CHASSIS_INFO ].len,
+ &chassis_type,
+ &vpd_info [OPENBMC_VPD_KEY_CHASSIS_PART_NUM],
+ &vpd_info [OPENBMC_VPD_KEY_CHASSIS_SERIAL_NUM],
+ NULL, 0);
+ }
+
+ if (chdr->board)
+ {
+ fru_area_info [ IPMI_FRU_AREA_BOARD_INFO ].len = 8*(*(hdr+8*chdr->board+1));
+ ipmi_fru_board_info_area (hdr+8*chdr->board+2,
+ fru_area_info [ IPMI_FRU_AREA_BOARD_INFO ].len,
+ NULL,
+ &mfg_date_time,
+ &vpd_info [OPENBMC_VPD_KEY_BOARD_MFR],
+ &vpd_info [OPENBMC_VPD_KEY_BOARD_NAME],
+ &vpd_info [OPENBMC_VPD_KEY_BOARD_SERIAL_NUM],
+ &vpd_info [OPENBMC_VPD_KEY_BOARD_PART_NUM],
+ &vpd_info [OPENBMC_VPD_KEY_BOARD_FRU_FILE_ID],
+ NULL, 0);
+ }
+
+ if (chdr->product)
+ {
+ fru_area_info [ IPMI_FRU_AREA_PRODUCT_INFO ].len = 8*(*(hdr+8*chdr->product+1));
+ ipmi_fru_product_info_area (hdr+8*chdr->product+2,
+ fru_area_info [ IPMI_FRU_AREA_PRODUCT_INFO ].len,
+ NULL,
+ &vpd_info [OPENBMC_VPD_KEY_PRODUCT_MFR],
+ &vpd_info [OPENBMC_VPD_KEY_PRODUCT_NAME],
+ &vpd_info [OPENBMC_VPD_KEY_PRODUCT_PART_MODEL_NUM],
+ &vpd_info [OPENBMC_VPD_KEY_PRODUCT_VER],
+ &vpd_info [OPENBMC_VPD_KEY_PRODUCT_SERIAL_NUM],
+ &vpd_info [OPENBMC_VPD_KEY_PRODUCT_ASSET_TAG],
+ &vpd_info [OPENBMC_VPD_KEY_PRODUCT_FRU_FILE_ID],
+ NULL, 0);
+ }
+
+ if (chdr->multirec)
+ {
+ fru_area_info [ IPMI_FRU_AREA_MULTI_RECORD ].len = 8*(*(hdr+8*chdr->multirec+1));
+ /* TODO: Parse multi record area */
+ }
+
+ for (i=0; i<IPMI_FRU_AREA_TYPE_MAX; i++)
+ {
+#if IPMI_FRU_PARSER_DEBUG
+ printf ("IPMI_FRU_AREA_TYPE=[%d] : Offset=[%d] : Len=[%d]\n", i, fru_area_info [i].off, fru_area_info[i].len);
+#else
+;
+#endif
+ }
+
+ /* Populate VPD Table */
+ for (i=1; i<OPENBMC_VPD_KEY_MAX; i++)
+ {
+ if (i==OPENBMC_VPD_KEY_CHASSIS_TYPE)
+ {
+ sd_bus_message_append (vpdtbl, "{sv}", vpd_key_names[i], "y", chassis_type);
+#if IPMI_FRU_PARSER_DEBUG
+ printf ("[%s] = [%d]\n", vpd_key_names[i], chassis_type);
+#else
+;
+#endif
+ continue;
+ }
+
+ if (i==OPENBMC_VPD_KEY_BOARD_MFG_DATE)
+ {
+ sd_bus_message_append (vpdtbl, "sa{y}", vpd_key_names[i], mfg_date_time);
+#if IPMI_FRU_PARSER_DEBUG
+ printf ("[%s] = [%d]\n", vpd_key_names[i], mfg_date_time);
+#else
+;
+#endif
+ continue;
+ }
+
+ /* FIXME: Field type encoding *ASSUMED* to be *BINARY* */
+ ipmi_fru_field_str = (unsigned char*) &(vpd_info[i].type_length_field) + 1;
+ sd_bus_message_append (vpdtbl, "{sv}", vpd_key_names[i], "s", ipmi_fru_field_str);
+ if (vpd_info[i].type_length_field_length)
+ {
+#if IPMI_FRU_PARSER_DEBUG
+ printf ("[%s] = [%s]\n", vpd_key_names[i], ipmi_fru_field_str);
+#else
+;
+#endif
+ }
+ }
+
+ out:
+ rv = 0;
+ cleanup:
+ return (rv);
+}
+
+int parse_fru_area (const uint8_t area, const void* msgbuf, const uint8_t len, sd_bus_message* vpdtbl)
+{
+ int ret = 0;
+ int rv = -1;
+ int i = 0;
+ ipmi_fru_area_info_t fru_area_info [ IPMI_FRU_AREA_TYPE_MAX ];
+ ipmi_fru_common_hdr_t* chdr = NULL;
+ uint8_t* hdr = NULL;
+ const uint8_t* ipmi_fru_field_str=NULL;
+
+
+ ipmi_fru_field_t vpd_info [ OPENBMC_VPD_KEY_MAX ];
+ for (i=0; i<OPENBMC_VPD_KEY_MAX; i++)
+ {
+ memset (vpd_info[i].type_length_field, '\0', IPMI_FRU_AREA_TYPE_LENGTH_FIELD_MAX);
+ vpd_info[i].type_length_field_length = 0;
+ }
+
+ /* Chassis */
+ uint8_t chassis_type;
+
+ /* Board */
+ uint32_t mfg_date_time;
+
+ /* Product */
+ unsigned int product_custom_fields_len;
+
+ ASSERT (msgbuf);
+ ASSERT (vpdtbl);
+
+ switch (area)
+ {
+ case IPMI_FRU_AREA_CHASSIS_INFO:
+ ipmi_fru_chassis_info_area (msgbuf,
+ len,
+ &chassis_type,
+ &vpd_info [OPENBMC_VPD_KEY_CHASSIS_PART_NUM],
+ &vpd_info [OPENBMC_VPD_KEY_CHASSIS_SERIAL_NUM],
+ NULL, 0);
+
+ /* Populate VPD Table */
+ for (i=1; i<=OPENBMC_VPD_KEY_CHASSIS_MAX; i++)
+ {
+ if (i==OPENBMC_VPD_KEY_CHASSIS_TYPE)
+ {
+ sd_bus_message_append (vpdtbl, "{sv}", vpd_key_names[i], "y", chassis_type);
+#if IPMI_FRU_PARSER_DEBUG
+ printf ("Chassis : [%s] = [%d]\n", vpd_key_names[i], chassis_type);
+#else
+;
+#endif
+ continue;
+ }
+ ipmi_fru_field_str = (unsigned char*) &(vpd_info[i].type_length_field) + 1;
+ sd_bus_message_append (vpdtbl, "{sv}", vpd_key_names[i], "s", ipmi_fru_field_str);
+#if IPMI_FRU_PARSER_DEBUG
+ printf ("Chassis : [%s] = [%s]\n", vpd_key_names[i], ipmi_fru_field_str);
+#else
+;
+#endif
+ }
+ break;
+ case IPMI_FRU_AREA_BOARD_INFO:
+ ipmi_fru_board_info_area (msgbuf,
+ len,
+ NULL,
+ &mfg_date_time,
+ &vpd_info [OPENBMC_VPD_KEY_BOARD_MFR],
+ &vpd_info [OPENBMC_VPD_KEY_BOARD_NAME],
+ &vpd_info [OPENBMC_VPD_KEY_BOARD_SERIAL_NUM],
+ &vpd_info [OPENBMC_VPD_KEY_BOARD_PART_NUM],
+ &vpd_info [OPENBMC_VPD_KEY_BOARD_FRU_FILE_ID],
+ NULL, 0);
+
+ /* Populate VPD Table */
+ for (i=OPENBMC_VPD_KEY_BOARD_MFR; i<=OPENBMC_VPD_KEY_BOARD_MAX; i++)
+ {
+ if (i==OPENBMC_VPD_KEY_BOARD_MFG_DATE)
+ {
+ sd_bus_message_append (vpdtbl, "sa{y}", vpd_key_names[i], mfg_date_time);
+#if IPMI_FRU_PARSER_DEBUG
+ printf ("Board : [%s] = [%d]\n", vpd_key_names[i], mfg_date_time);
+#else
+;
+#endif
+ continue;
+ }
+ ipmi_fru_field_str = (unsigned char*) &(vpd_info[i].type_length_field) + 1;
+ sd_bus_message_append (vpdtbl, "{sv}", vpd_key_names[i], "s", ipmi_fru_field_str);
+#if IPMI_FRU_PARSER_DEBUG
+ printf ("Board : [%s] = [%s]\n", vpd_key_names[i], ipmi_fru_field_str);
+#else
+;
+#endif
+ }
+ break;
+ case IPMI_FRU_AREA_PRODUCT_INFO:
+ ipmi_fru_product_info_area (msgbuf,
+ len,
+ NULL,
+ &vpd_info [OPENBMC_VPD_KEY_PRODUCT_MFR],
+ &vpd_info [OPENBMC_VPD_KEY_PRODUCT_NAME],
+ &vpd_info [OPENBMC_VPD_KEY_PRODUCT_PART_MODEL_NUM],
+ &vpd_info [OPENBMC_VPD_KEY_PRODUCT_VER],
+ &vpd_info [OPENBMC_VPD_KEY_PRODUCT_SERIAL_NUM],
+ &vpd_info [OPENBMC_VPD_KEY_PRODUCT_ASSET_TAG],
+ &vpd_info [OPENBMC_VPD_KEY_PRODUCT_FRU_FILE_ID],
+ NULL, 0);
+ for (i=OPENBMC_VPD_KEY_PRODUCT_MFR; i<=OPENBMC_VPD_KEY_PRODUCT_MAX; i++)
+ {
+ ipmi_fru_field_str = (unsigned char*) &(vpd_info[i].type_length_field) + 1;
+ sd_bus_message_append (vpdtbl, "{sv}", vpd_key_names[i], "s", ipmi_fru_field_str);
+#if IPMI_FRU_PARSER_DEBUG
+ printf ("Product : [%s] = [%s]\n", vpd_key_names[i], ipmi_fru_field_str);
+#else
+;
+#endif
+ }
+ break;
+ defualt:
+ /* TODO: Parse Multi Rec / Internal use area */
+ break;
+ }
+
+ out:
+ rv = 0;
+ cleanup:
+ return (rv);
+}
diff --git a/frup.h b/frup.h
index 2270470..b6b9476 100644
--- a/frup.h
+++ b/frup.h
@@ -3,5 +3,16 @@
/* Parse an IPMI write fru data message into a dictionary containing name value pair of VPD entries.*/
int parse_fru (const void* msgbuf, sd_bus_message* vpdtbl);
+int parse_fru_area (const uint8_t area, const void* msgbuf, const uint8_t len, sd_bus_message* vpdtbl);
+
+enum openbmc_ipmi_fru_area_type
+{
+ IPMI_FRU_AREA_INTERNAL_USE = 0x00,
+ IPMI_FRU_AREA_CHASSIS_INFO,
+ IPMI_FRU_AREA_BOARD_INFO,
+ IPMI_FRU_AREA_PRODUCT_INFO,
+ IPMI_FRU_AREA_MULTI_RECORD,
+ IPMI_FRU_AREA_TYPE_MAX
+}
#endif
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