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ipmi: introduce a struct ipmi_sdr_compact

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Currently, sdr attributes are identified using byte offsets and this
can be a bit confusing.

This patch adds a struct ipmi_sdr_compact conforming to the IPMI specs
and replaces byte offsets with names. It also introduces and uses a
struct ipmi_sdr_header in sections of the code where no assumption is
made on the type of SDR. This leave rooms to potential usage of other
types in the future.

Signed-off-by: Cédric Le Goater <clg@fr.ibm.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Cédric Le Goater 2016-01-25 15:07:31 +01:00 • committed by Michael S. Tsirkin
parent 792afddb4a
commit a2295f0a58
2 changed files with 89 additions and 28 deletions
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45
include/hw/ipmi/ipmi.h
View file

@ -210,4 +210,49 @@ IPMIFwInfo *ipmi_next_fwinfo(IPMIFwInfo *current);
#define ipmi_debug(fs, ...)
#endif
struct ipmi_sdr_header {
uint8_t rec_id[2];
uint8_t sdr_version; /* 0x51 */
uint8_t rec_type;
uint8_t rec_length;
};
#define IPMI_SDR_HEADER_SIZE sizeof(struct ipmi_sdr_header)
#define ipmi_sdr_recid(sdr) ((sdr)->rec_id[0] | ((sdr)->rec_id[1] << 8))
#define ipmi_sdr_length(sdr) ((sdr)->rec_length + IPMI_SDR_HEADER_SIZE)
/*
* 43.2 SDR Type 02h. Compact Sensor Record
*/
#define IPMI_SDR_COMPACT_TYPE 2
struct ipmi_sdr_compact {
struct ipmi_sdr_header header;
uint8_t sensor_owner_id;
uint8_t sensor_owner_lun;
uint8_t sensor_owner_number; /* byte 8 */
uint8_t entity_id;
uint8_t entity_instance;
uint8_t sensor_init;
uint8_t sensor_caps;
uint8_t sensor_type;
uint8_t reading_type;
uint8_t assert_mask[2]; /* byte 16 */
uint8_t deassert_mask[2];
uint8_t discrete_mask[2];
uint8_t sensor_unit1;
uint8_t sensor_unit2;
uint8_t sensor_unit3;
uint8_t sensor_direction[2]; /* byte 24 */
uint8_t positive_threshold;
uint8_t negative_threshold;
uint8_t reserved[3];
uint8_t oem;
uint8_t id_str_len; /* byte 32 */
uint8_t id_string[16];
};
typedef uint8_t ipmi_sdr_compact_buffer[sizeof(struct ipmi_sdr_compact)];
#endif