diff options
author | Ido Schimmel <idosch@nvidia.com> | 2021-11-23 19:41:00 +0200 |
---|---|---|
committer | Michal Kubecek <mkubecek@suse.cz> | 2021-12-02 21:53:05 +0100 |
commit | eae6a99f3d13e4bffeb8bd145ebff3f41be1eb06 (patch) | |
tree | 4db1988e7f9087422264a243257cf440f81f3a54 | |
parent | 340d88ee128994cbb3d8fe19351fc4f62fc48f14 (diff) | |
download | ethtool-eae6a99f3d13e4bffeb8bd145ebff3f41be1eb06.tar.gz |
cmis: Print Module State and Fault Cause
Print the CMIS Module State when dumping EEPROM contents via the '-m'
option. It can be used, for example, to test module power mode settings.
Example output:
# ethtool -m swp11
Identifier : 0x18 (QSFP-DD Double Density 8X Pluggable Transceiver (INF-8628))
...
Module State : 0x03 (ModuleReady)
# ethtool --set-module swp11 power-mode-policy auto
# ethtool -m swp11
Identifier : 0x18 (QSFP-DD Double Density 8X Pluggable Transceiver (INF-8628))
...
Module State : 0x01 (ModuleLowPwr)
In case the module is in fault state, print the CMIS Module Fault Cause.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
-rw-r--r-- | cmis.c | 70 | ||||
-rw-r--r-- | cmis.h | 16 |
2 files changed, 86 insertions, 0 deletions
@@ -402,6 +402,74 @@ static void cmis_show_vendor_info(const struct cmis_memory_map *map) CMIS_CLEI_END_OFFSET, "CLEI code"); } +/* Print the current Module State. Relevant documents: + * [1] CMIS Rev. 5, pag. 57, section 6.3.2.2, Figure 6-3 + * [2] CMIS Rev. 5, pag. 60, section 6.3.2.3, Figure 6-4 + * [3] CMIS Rev. 5, pag. 107, section 8.2.2, Table 8-6 + */ +static void cmis_show_mod_state(const struct cmis_memory_map *map) +{ + __u8 mod_state; + + mod_state = (map->lower_memory[CMIS_MODULE_STATE_OFFSET] & + CMIS_MODULE_STATE_MASK) >> 1; + printf("\t%-41s : 0x%02x", "Module State", mod_state); + switch (mod_state) { + case CMIS_MODULE_STATE_MODULE_LOW_PWR: + printf(" (ModuleLowPwr)\n"); + break; + case CMIS_MODULE_STATE_MODULE_PWR_UP: + printf(" (ModulePwrUp)\n"); + break; + case CMIS_MODULE_STATE_MODULE_READY: + printf(" (ModuleReady)\n"); + break; + case CMIS_MODULE_STATE_MODULE_PWR_DN: + printf(" (ModulePwrDn)\n"); + break; + case CMIS_MODULE_STATE_MODULE_FAULT: + printf(" (ModuleFault)\n"); + break; + default: + printf(" (reserved or unknown)\n"); + break; + } +} + +/* Print the Module Fault Information. Relevant documents: + * [1] CMIS Rev. 5, pag. 64, section 6.3.2.12 + * [2] CMIS Rev. 5, pag. 115, section 8.2.10, Table 8-15 + */ +static void cmis_show_mod_fault_cause(const struct cmis_memory_map *map) +{ + __u8 mod_state, fault_cause; + + mod_state = (map->lower_memory[CMIS_MODULE_STATE_OFFSET] & + CMIS_MODULE_STATE_MASK) >> 1; + if (mod_state != CMIS_MODULE_STATE_MODULE_FAULT) + return; + + fault_cause = map->lower_memory[CMIS_MODULE_FAULT_OFFSET]; + printf("\t%-41s : 0x%02x", "Module Fault Cause", fault_cause); + switch (fault_cause) { + case CMIS_MODULE_FAULT_NO_FAULT: + printf(" (No fault detected / not supported)\n"); + break; + case CMIS_MODULE_FAULT_TEC_RUNAWAY: + printf(" (TEC runaway)\n"); + break; + case CMIS_MODULE_FAULT_DATA_MEM_CORRUPTED: + printf(" (Data memory corrupted)\n"); + break; + case CMIS_MODULE_FAULT_PROG_MEM_CORRUPTED: + printf(" (Program memory corrupted)\n"); + break; + default: + printf(" (reserved or unknown)\n"); + break; + } +} + static void cmis_parse_dom_power_type(const struct cmis_memory_map *map, struct sff_diags *sd) { @@ -775,6 +843,8 @@ static void cmis_show_all_common(const struct cmis_memory_map *map) cmis_show_link_len(map); cmis_show_vendor_info(map); cmis_show_rev_compliance(map); + cmis_show_mod_state(map); + cmis_show_mod_fault_cause(map); cmis_show_dom(map); } @@ -7,6 +7,15 @@ #define CMIS_MEMORY_MODEL_OFFSET 0x02 #define CMIS_MEMORY_MODEL_MASK 0x80 +/* Global Status Information (Page 0) */ +#define CMIS_MODULE_STATE_OFFSET 0x03 +#define CMIS_MODULE_STATE_MASK 0x0E +#define CMIS_MODULE_STATE_MODULE_LOW_PWR 0x01 +#define CMIS_MODULE_STATE_MODULE_PWR_UP 0x02 +#define CMIS_MODULE_STATE_MODULE_READY 0x03 +#define CMIS_MODULE_STATE_MODULE_PWR_DN 0x04 +#define CMIS_MODULE_STATE_MODULE_FAULT 0x05 + /* Module Flags (Page 0) */ #define CMIS_VCC_AW_OFFSET 0x09 #define CMIS_VCC_LWARN_STATUS 0x80 @@ -27,6 +36,13 @@ #define CMIS_CURR_TEMP_OFFSET 0x0E #define CMIS_CURR_VCC_OFFSET 0x10 +/* Module Fault Information (Page 0) */ +#define CMIS_MODULE_FAULT_OFFSET 0x29 +#define CMIS_MODULE_FAULT_NO_FAULT 0x00 +#define CMIS_MODULE_FAULT_TEC_RUNAWAY 0x01 +#define CMIS_MODULE_FAULT_DATA_MEM_CORRUPTED 0x02 +#define CMIS_MODULE_FAULT_PROG_MEM_CORRUPTED 0x03 + #define CMIS_CTOR_OFFSET 0xCB /* Vendor related information (Page 0) */ |