[Skiboot] [PATCH V6 13/21] core/pldm: Send a system chassis Off-Soft Graceful request

[Abhishek SIngh Tomar]

On Tue, Sep 13, 2022 at 12:26:57PM +0200, Christophe Lombard wrote:
> 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>
Reviewed-by: Abhishek Singh Tomar <abhishek at linux.ibm.com>
> Signed-off-by: Christophe Lombard <clombard at linux.vnet.ibm.com>
> ---
>  core/pldm/pldm-platform-requests.c | 32 ++++++++++++++++++++++++++++++
>  include/pldm.h                     |  5 +++++
>  2 files changed, 37 insertions(+)
> 
> diff --git a/core/pldm/pldm-platform-requests.c b/core/pldm/pldm-platform-requests.c
> index 99d58158..ca66157c 100644
> --- a/core/pldm/pldm-platform-requests.c
> +++ b/core/pldm/pldm-platform-requests.c
> @@ -158,6 +158,38 @@ 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 (effecter_id: %d)\n",
> +			effecter_id);
> +
> +	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 2429b5e5..3e653aa3 100644
> --- a/include/pldm.h
> +++ b/include/pldm.h
> @@ -15,6 +15,11 @@ int pldm_mctp_init(uint8_t mode);
>   */
>  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
>   */
> -- 
> 2.37.3
> 
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