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Modify accessors for signed value to return INT_MAX when error occurs and set errno to corresponding errno codes. Signed-off-by: Jehoon Park --- cxl/lib/libcxl.c | 32 +++++++++++++++++++++----------- 1 file changed, 21 insertions(+), 11 deletions(-) diff --git a/cxl/lib/libcxl.c b/cxl/lib/libcxl.c index af4ca44..fc64de1 100644 --- a/cxl/lib/libcxl.c +++ b/cxl/lib/libcxl.c @@ -3661,11 +3661,23 @@ cxl_cmd_alert_config_get_life_used_prog_warn_threshold(struct cxl_cmd *cmd) life_used_prog_warn_threshold); } +#define cmd_get_field_s16(cmd, n, N, field) \ +do { \ + struct cxl_cmd_##n *c = \ + (struct cxl_cmd_##n *)cmd->send_cmd->out.payload; \ + int rc = cxl_cmd_validate_status(cmd, CXL_MEM_COMMAND_ID_##N); \ + if (rc) { \ + errno = -rc; \ + return INT_MAX; \ + } \ + return (int16_t)le16_to_cpu(c->field); \ +} while(0) + CXL_EXPORT int cxl_cmd_alert_config_get_dev_over_temperature_crit_alert_threshold( struct cxl_cmd *cmd) { - cmd_get_field_u16(cmd, get_alert_config, GET_ALERT_CONFIG, + cmd_get_field_s16(cmd, get_alert_config, GET_ALERT_CONFIG, dev_over_temperature_crit_alert_threshold); } @@ -3673,7 +3685,7 @@ CXL_EXPORT int cxl_cmd_alert_config_get_dev_under_temperature_crit_alert_threshold( struct cxl_cmd *cmd) { - cmd_get_field_u16(cmd, get_alert_config, GET_ALERT_CONFIG, + cmd_get_field_s16(cmd, get_alert_config, GET_ALERT_CONFIG, dev_under_temperature_crit_alert_threshold); } @@ -3681,7 +3693,7 @@ CXL_EXPORT int cxl_cmd_alert_config_get_dev_over_temperature_prog_warn_threshold( struct cxl_cmd *cmd) { - cmd_get_field_u16(cmd, get_alert_config, GET_ALERT_CONFIG, + cmd_get_field_s16(cmd, get_alert_config, GET_ALERT_CONFIG, dev_over_temperature_prog_warn_threshold); } @@ -3689,7 +3701,7 @@ CXL_EXPORT int cxl_cmd_alert_config_get_dev_under_temperature_prog_warn_threshold( struct cxl_cmd *cmd) { - cmd_get_field_u16(cmd, get_alert_config, GET_ALERT_CONFIG, + cmd_get_field_s16(cmd, get_alert_config, GET_ALERT_CONFIG, dev_under_temperature_prog_warn_threshold); } @@ -3905,8 +3917,6 @@ CXL_EXPORT int cxl_cmd_health_info_get_life_used(struct cxl_cmd *cmd) { int rc = health_info_get_life_used_raw(cmd); - if (rc < 0) - return rc; if (rc == CXL_CMD_HEALTH_INFO_LIFE_USED_NOT_IMPL) return -EOPNOTSUPP; return rc; @@ -3914,7 +3924,7 @@ CXL_EXPORT int cxl_cmd_health_info_get_life_used(struct cxl_cmd *cmd) static int health_info_get_temperature_raw(struct cxl_cmd *cmd) { - cmd_get_field_u16(cmd, get_health_info, GET_HEALTH_INFO, + cmd_get_field_s16(cmd, get_health_info, GET_HEALTH_INFO, temperature); } @@ -3922,10 +3932,10 @@ CXL_EXPORT int cxl_cmd_health_info_get_temperature(struct cxl_cmd *cmd) { int rc = health_info_get_temperature_raw(cmd); - if (rc < 0) - return rc; - if (rc == CXL_CMD_HEALTH_INFO_TEMPERATURE_NOT_IMPL) - return -EOPNOTSUPP; + if (rc == CXL_CMD_HEALTH_INFO_TEMPERATURE_NOT_IMPL) { + errno = EOPNOTSUPP; + return INT_MAX; + } return rc; }