diff options
| author | Ronald Cron <ronald.cron@arm.com> | 2018-06-05 09:31:39 +0200 |
|---|---|---|
| committer | Ronald Cron <ronald.cron@arm.com> | 2018-06-08 11:46:47 +0200 |
| commit | b151958dbb2f37383f4d9a1f7802c36008d9fef2 (patch) | |
| tree | fe20ebfb8c10facbfd028edefe601462ae3ee64c /module/scmi/include/internal/mod_scmi.h | |
| parent | fd3027b6fd17a4a33a685adb73f2acfcae9a2ced (diff) | |
Add support for SGM-775
Co-authored-by: Filipe Rinaldi <filipe.rinaldi@arm.com>
Co-authored-by: Paul Beesley <paul.beesley@arm.com>
Co-authored-by: Chris Kay <chris.kay@arm.com>
Co-authored-by: Elieva Pignat <elieva.pignat@arm.com>
Co-authored-by: Pedro Custodio <pedro.krewinkelcustodio@arm.com>
Change-Id: Ic7524ad58a7c15d5b055e88a9719b2feee437f1d
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
Diffstat (limited to 'module/scmi/include/internal/mod_scmi.h')
| -rw-r--r-- | module/scmi/include/internal/mod_scmi.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/module/scmi/include/internal/mod_scmi.h b/module/scmi/include/internal/mod_scmi.h new file mode 100644 index 00000000..822e196b --- /dev/null +++ b/module/scmi/include/internal/mod_scmi.h @@ -0,0 +1,63 @@ +/* + * Arm SCP/MCP Software + * Copyright (c) 2015-2018, Arm Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + * + * Description: + * System Control and Management Interface (SCMI) support. + */ + +#ifndef MOD_INTERNAL_SCMI_H +#define MOD_INTERNAL_SCMI_H + +#include <stddef.h> +#include <stdint.h> +#include <mod_scmi.h> + +#define SCMI_VERSION 0x10000 + +#define SCMI_MESSAGE_HEADER_MESSAGE_ID_POS 0 +#define SCMI_MESSAGE_HEADER_PROTOCOL_ID_POS 10 +#define SCMI_MESSAGE_HEADER_TOKEN_POS 18 + +#define SCMI_MESSAGE_HEADER_MESSAGE_ID_MASK \ + (UINT32_C(0x3FF) << SCMI_MESSAGE_HEADER_MESSAGE_ID_POS) +#define SCMI_MESSAGE_HEADER_PROTOCOL_ID_MASK \ + (UINT32_C(0xFF) << SCMI_MESSAGE_HEADER_PROTOCOL_ID_POS) +#define SCMI_MESSAGE_HEADER_TOKEN_MASK \ + (UINT32_C(0x3FF) << SCMI_MESSAGE_HEADER_TOKEN_POS) + +#define SCMI_MESSAGE_HEADER(MESSAGE_ID, PROTOCOL_ID, TOKEN) \ + ((((MESSAGE_ID) << SCMI_MESSAGE_HEADER_MESSAGE_ID_POS) & \ + SCMI_MESSAGE_HEADER_MESSAGE_ID_MASK) | \ + (((PROTOCOL_ID) << SCMI_MESSAGE_HEADER_PROTOCOL_ID_POS) & \ + SCMI_MESSAGE_HEADER_PROTOCOL_ID_MASK) | \ + (((TOKEN) << SCMI_MESSAGE_HEADER_TOKEN_POS) & \ + SCMI_MESSAGE_HEADER_TOKEN_POS)) + +/* SCMI service context */ +struct scmi_service_ctx { + /* Pointer to SCMI service configuration data */ + const struct mod_scmi_service_config *config; + + /* + * Identifier of the transport entity used by the service to read/respond + * to SCMI messages. + */ + fwk_id_t transport_id; + + /* Pointer to the transport API used to read and respond to messages */ + const struct mod_scmi_to_transport_api *transport_api; + + /* Copy of the pointer to the 'respond' function within the transport API */ + int (*respond)(fwk_id_t transport_id, const void *payload, size_t size); + + /* SCMI identifier of the protocol processing the current message */ + unsigned int scmi_protocol_id; + + /* SCMI identifier of the message currently being processed */ + unsigned int scmi_message_id; +}; + +#endif /* MOD_INTERNAL_SCMI_H */ |