[Skiboot] [PATCH V2 06/21] core/pldm: Encode GetPLDMTypes response
Abhishek SIngh Tomar
abhishek at linux.ibm.com
Wed Mar 16 22:19:08 AEDT 2022
On Fri, Mar 04, 2022 at 02:11:39PM +0100, Christophe Lombard wrote:
> The GetPLDMTypes command can be used to discover the PLDM type capabilities
> supported by a PLDM terminus and to get a list of the PLDM types that are
> supported.
>
> Signed-off-by: Christophe Lombard <clombard at linux.vnet.ibm.com>
Reviewed-by: Abhishek Singh Tomar <abhishek at linux.ibm.com>
> ---
> core/pldm/pldm-responder.c | 39 ++++++++++++++++++++++++++++++++++++++
> 1 file changed, 39 insertions(+)
>
> diff --git a/core/pldm/pldm-responder.c b/core/pldm/pldm-responder.c
> index 76ccaab1..2bd6fd07 100644
> --- a/core/pldm/pldm-responder.c
> +++ b/core/pldm/pldm-responder.c
> @@ -125,6 +125,44 @@ static struct pldm_cmd base_get_tid = {
> .handler = get_tid_handler,
> };
>
> +/*
> + * GetPLDMTypes (0x04)
> + * The GetPLDMTypes command can be used to discover the PLDM type
> + * capabilities supported by a PLDM terminus and to get a list of the
> + * PLDM types that are supported.
> + */
> +static int get_types_handler(const struct pldm_rx_data *req)
> +{
> + char resp_buf[PKT_SIZE(struct pldm_get_types_resp)];
> + bitmap_elem_t type_map[BITMAP_ELEMS(32)];
> + struct pldm_type *iter;
> +
> + /*
> + * build the supported type list from the registered type
> + * handlers
> + */
> + memset(type_map, 0, sizeof(type_map));
> + list_for_each(&pldm_type_list, iter, link)
> + bitmap_set_bit(type_map, iter->pldm_type_id);
> +
> + for (int i = 0; i < BITMAP_ELEMS(32); i++)
> + type_map[i] = cpu_to_le64(type_map[i]);
> +
> + memset(resp_buf, 0, sizeof(resp_buf));
> + encode_get_types_resp(req->hdrinf.instance,
> + PLDM_SUCCESS,
> + (bitfield8_t *)type_map,
> + (void *) resp_buf);
> + pldm_send(resp_buf, sizeof(resp_buf));
> +
> + return OPAL_SUCCESS;
> +}
> +static struct pldm_cmd base_get_types = {
> + .name = "GetPLDMTypes",
> + .pldm_cmd_id = PLDM_GET_PLDM_TYPES,
> + .handler = get_types_handler,
> +};
> +
> int pldm_rx_handle_request(struct pldm_rx_data *rx)
> {
> const struct pldm_type *t;
> @@ -151,6 +189,7 @@ int pldm_mctp_responder_init(void)
> pldm_add_type(&pldm_base_type);
>
> pldm_add_cmd(&pldm_base_type, &base_get_tid);
> + pldm_add_cmd(&pldm_base_type, &base_get_types);
>
> return OPAL_SUCCESS;
> }
> --
> 2.35.1
>
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