diff mbox series

[V4,13/21] core/pldm: Send a system chassis Off-Soft Graceful request

Message ID 20220414134404.39888-14-clombard@linux.vnet.ibm.com
State Superseded
Headers show
Series Implement MCTP and PLDM features | expand

Commit Message

Christophe Lombard April 14, 2022, 1:43 p.m. UTC 
Set the state information of the PLDM effecter identified by:
the entity type (PLDM_ENTITY_SYSTEM_CHASSIS) and the state set
PLDM_STATE_SET_SYSTEM_POWER_STATE with the effecter state:
PLDM_STATE_SET_SYS_POWER_STATE_OFF_SOFT_GRACEFUL to request a platform off.

Reviewed-by: Abhishek Singh Tomar <abhishek at linux.ibm.com>
Signed-off-by: Christophe Lombard <clombard@linux.vnet.ibm.com>
---
 core/pldm/pldm-platform-requests.c | 31 ++++++++++++++++++++++++++++++
 include/pldm.h                     |  5 +++++
 2 files changed, 36 insertions(+)
diff mbox series

Patch

diff --git a/core/pldm/pldm-platform-requests.c b/core/pldm/pldm-platform-requests.c
index 75fe65a5..223f810a 100644
--- a/core/pldm/pldm-platform-requests.c
+++ b/core/pldm/pldm-platform-requests.c
@@ -144,6 +144,37 @@  static int set_state_effecter_states_req(uint16_t effecter_id,
 	return OPAL_SUCCESS;
 }
 
+/*
+ * entity_type:  System chassis (main enclosure)
+ * state_set:    System Power State (260)
+ * states:       Off-Soft Graceful(9)
+ */
+int pldm_platform_power_off(void)
+{
+	set_effecter_state_field field;
+	uint16_t effecter_id;
+	int rc;
+
+	if (!pdr_ready)
+		return OPAL_HARDWARE;
+
+	rc = find_effecter_id_by_state_set_Id(
+				PLDM_ENTITY_SYSTEM_CHASSIS,
+				PLDM_STATE_SET_SYSTEM_POWER_STATE,
+				&effecter_id);
+	if (rc) {
+		prlog(PR_ERR, "%s - effecter id not found\n", __func__);
+		return rc;
+	}
+
+	field.set_request = PLDM_REQUEST_SET;
+	field.effecter_state = PLDM_STATE_SET_SYS_POWER_STATE_OFF_SOFT_GRACEFUL;
+
+	prlog(PR_INFO, "sending system chassis Off-Soft Graceful request\n");
+
+	return set_state_effecter_states_req(effecter_id, &field, true);
+}
+
 /*
  * entity_type:  System Firmware
  * state_set:    Software Termination Status(129)
diff --git a/include/pldm.h b/include/pldm.h
index 55062ffb..d14d6164 100644
--- a/include/pldm.h
+++ b/include/pldm.h
@@ -15,6 +15,11 @@  int pldm_mctp_init(void);
  */
 void pldm_mctp_exit(void);
 
+/**
+ * Send a system chassis Off-Soft Graceful request
+ */
+int pldm_platform_power_off(void);
+
 /**
  * Send a system firmware Graceful Restart request
  */