diff options
| -rw-r--r-- | core/pldm/pldm-responder.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/core/pldm/pldm-responder.c b/core/pldm/pldm-responder.c index 9183b09..1589514 100644 --- a/core/pldm/pldm-responder.c +++ b/core/pldm/pldm-responder.c @@ -6,11 +6,13 @@ #include <bitmap.h> #include <cpu.h> #include <opal.h> +#include <opal-msg.h> #include <stdio.h> #include <string.h> #include <debug_descriptor.h> #include <libpldm/platform.h> #include <libpldm/platform_oem_ibm.h> +#include <libpldm/state_set.h> #include <libpldm/utils.h> #include "pldm.h" @@ -708,6 +710,120 @@ static struct pldm_cmd pldm_platform_get_state_sensor_readings = { .handler = platform_get_state_sensor_readings, }; +#define SOFT_OFF 0x00 +#define SOFT_REBOOT 0x01 +#define CHASSIS_PWR_DOWN 0x00 +#define DEFAULT_CHIP_ID 0 + +/* + * SetStateEffecterStates (0x39) + * The SetStateEffecterStates command is used to set the state of one + * or more effecters within a PLDM State Effecter. + */ +static int platform_set_state_effecter_states_handler(const struct pldm_rx_data *rx) +{ + set_effecter_state_field field[8]; + uint8_t comp_effecter_count; + uint16_t effecter_id; + int rc, i; + + /* decode SetStateEffecterStates request data */ + rc = decode_set_state_effecter_states_req( + rx->msg, + PLDM_SET_STATE_EFFECTER_STATES_REQ_BYTES, + &effecter_id, + &comp_effecter_count, + field); + if (rc) { + prlog(PR_ERR, "Failed to decode SetStateEffecterStates request, rc = %d\n", rc); + cc_resp(rx, rx->hdrinf.pldm_type, + rx->hdrinf.command, PLDM_ERROR); + return OPAL_INTERNAL_ERROR; + } + + /* invoke the appropriate callback handler */ + prlog(PR_DEBUG, "%s - effecter_id: %d, comp_effecter_count: %d\n", + __func__, effecter_id, comp_effecter_count); + + for (i = 0; i < comp_effecter_count; i++) { + /* other set_request not supported */ + if (field[i].set_request != PLDM_REQUEST_SET) { + prlog(PR_ERR, "Got invalid set request 0x%x in " + "SetStateEffecterStates request\n", + field[i].set_request); + cc_resp(rx, rx->hdrinf.pldm_type, + rx->hdrinf.command, + PLDM_PLATFORM_INVALID_STATE_VALUE); + return OPAL_PARAMETER; + } + + switch (field[i].effecter_state) { + case PLDM_SW_TERM_GRACEFUL_SHUTDOWN_REQUESTED: + case PLDM_STATE_SET_SYS_POWER_STATE_OFF_SOFT_GRACEFUL: + prlog(PR_NOTICE, "Soft shutdown requested\n"); + cc_resp(rx, PLDM_PLATFORM, + PLDM_SET_STATE_EFFECTER_STATES, + PLDM_SUCCESS); + + if (opal_booting() && platform.cec_power_down) { + prlog(PR_NOTICE, "Host not up, shutting down now\n"); + platform.cec_power_down(CHASSIS_PWR_DOWN); + } else { + opal_queue_msg(OPAL_MSG_SHUTDOWN, + NULL, NULL, + cpu_to_be64(SOFT_OFF)); + } + + break; + + case PLDM_SW_TERM_GRACEFUL_RESTART_REQUESTED: + prlog(PR_NOTICE, "Soft reboot requested\n"); + cc_resp(rx, PLDM_PLATFORM, + PLDM_SET_STATE_EFFECTER_STATES, + PLDM_SUCCESS); + + if (opal_booting() && platform.cec_reboot) { + prlog(PR_NOTICE, "Host not up, rebooting now\n"); + platform.cec_reboot(); + } else { + opal_queue_msg(OPAL_MSG_SHUTDOWN, + NULL, NULL, + cpu_to_be64(SOFT_REBOOT)); + } + + break; + + case PLDM_STATE_SET_BOOT_RESTART_CAUSE_WARM_RESET: + case PLDM_STATE_SET_BOOT_RESTART_CAUSE_HARD_RESET: + prlog(PR_NOTICE, "OCC reset requested\n"); + cc_resp(rx, PLDM_PLATFORM, + PLDM_SET_STATE_EFFECTER_STATES, + PLDM_SUCCESS); + + /* invoke the appropriate callback handler */ + prd_occ_reset(DEFAULT_CHIP_ID); /* FIXME, others chip ? */ + break; + + default: + prlog(PR_ERR, "Got invalid effecter state 0x%x in " + "SetStateEffecterStates request\n", + field[i].effecter_state); + cc_resp(rx, rx->hdrinf.pldm_type, + rx->hdrinf.command, + PLDM_PLATFORM_INVALID_STATE_VALUE); + return OPAL_PARAMETER; + } + } + + return OPAL_SUCCESS; +} + +static struct pldm_cmd pldm_platform_set_state_effecter_states = { + .name = "PLDM_SET_STATE_EFFECTER_STATES", + .pldm_cmd_id = PLDM_SET_STATE_EFFECTER_STATES, + .handler = platform_set_state_effecter_states_handler, +}; + int pldm_responder_handle_request(struct pldm_rx_data *rx) { const struct pldm_type *type; @@ -753,6 +869,7 @@ int pldm_responder_init(void) add_cmd(&pldm_platform_type, &pldm_platform_set_event_receiver); add_cmd(&pldm_platform_type, &pldm_platform_event_message); add_cmd(&pldm_platform_type, &pldm_platform_get_state_sensor_readings); + add_cmd(&pldm_platform_type, &pldm_platform_set_state_effecter_states); return OPAL_SUCCESS; } |