/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2014-2022, NVIDIA CORPORATION. All rights reserved. */ #ifndef ABI_BPMP_ABI_H #define ABI_BPMP_ABI_H #if defined(LK) || defined(BPMP_ABI_HAVE_STDC) #include <stddef.h> #include <stdint.h> #endif #ifndef BPMP_ABI_PACKED #ifdef __ABI_PACKED #define BPMP_ABI_PACKED … #else #define BPMP_ABI_PACKED … #endif #endif #ifdef NO_GCC_EXTENSIONS #define BPMP_ABI_EMPTY … #define BPMP_ABI_EMPTY_ARRAY … #else #define BPMP_ABI_EMPTY #define BPMP_ABI_EMPTY_ARRAY … #endif #ifndef BPMP_UNION_ANON #ifdef __UNION_ANON #define BPMP_UNION_ANON … #else #define BPMP_UNION_ANON #endif #endif /** * @file */ /** * @defgroup MRQ MRQ Messages * @brief Messages sent to/from BPMP via IPC * @{ * @defgroup MRQ_Format Message Format * @defgroup MRQ_Codes Message Request (MRQ) Codes * @defgroup MRQ_Payloads Message Payloads * @defgroup Error_Codes Error Codes * @} */ /** * @addtogroup MRQ_Format * @{ * The CPU requests the BPMP to perform a particular service by * sending it an IVC frame containing a single MRQ message. An MRQ * message consists of a @ref mrq_request followed by a payload whose * format depends on mrq_request::mrq. * * The BPMP processes the data and replies with an IVC frame (on the * same IVC channel) containing and MRQ response. An MRQ response * consists of a @ref mrq_response followed by a payload whose format * depends on the associated mrq_request::mrq. * * A well-defined subset of the MRQ messages that the CPU sends to the * BPMP can lead to BPMP eventually sending an MRQ message to the * CPU. For example, when the CPU uses an #MRQ_THERMAL message to set * a thermal trip point, the BPMP may eventually send a single * #MRQ_THERMAL message of its own to the CPU indicating that the trip * point has been crossed. * @} */ /** * @ingroup MRQ_Format * Request an answer from the peer. * This should be set in mrq_request::flags for all requests targetted * at BPMP. For requests originating in BPMP, this flag is optional except * for messages targeting MCE, for which the field must be set. * When this flag is not set, the remote peer must not send a response * back. */ #define BPMP_MAIL_DO_ACK … /** * @ingroup MRQ_Format * Ring the sender's doorbell when responding. This should be set unless * the sender wants to poll the underlying communications layer directly. * * An optional direction that can be specified in mrq_request::flags. */ #define BPMP_MAIL_RING_DB … /** * @ingroup MRQ_Format * CRC present */ #define BPMP_MAIL_CRC_PRESENT … /** * @ingroup MRQ_Format * @brief Header for an MRQ message * * Provides the MRQ number for the MRQ message: #mrq. The remainder of * the MRQ message is a payload (immediately following the * mrq_request) whose format depends on mrq. */ struct mrq_request { … } BPMP_ABI_PACKED; /** * @ingroup MRQ_Format * @brief Header for an MRQ response * * Provides an error code for the associated MRQ message. The * remainder of the MRQ response is a payload (immediately following * the mrq_response) whose format depends on the associated * mrq_request::mrq */ struct mrq_response { … } BPMP_ABI_PACKED; /** * @ingroup MRQ_Format * Minimum needed size for an IPC message buffer */ #define MSG_MIN_SZ … /** * @ingroup MRQ_Format * Minimum size guaranteed for data in an IPC message buffer */ #define MSG_DATA_MIN_SZ … /** * @ingroup MRQ_Codes * @name Legal MRQ codes * These are the legal values for mrq_request::mrq * @{ */ #define MRQ_PING … #define MRQ_QUERY_TAG … #define MRQ_THREADED_PING … #define MRQ_DEBUGFS … #define MRQ_RESET … #define MRQ_I2C … #define MRQ_CLK … #define MRQ_QUERY_ABI … #define MRQ_THERMAL … #define MRQ_CPU_VHINT … #define MRQ_ABI_RATCHET … #define MRQ_EMC_DVFS_LATENCY … #define MRQ_RINGBUF_CONSOLE … #define MRQ_PG … #define MRQ_CPU_NDIV_LIMITS … #define MRQ_STRAP … #define MRQ_UPHY … #define MRQ_CPU_AUTO_CC3 … #define MRQ_QUERY_FW_TAG … #define MRQ_FMON … #define MRQ_EC … #define MRQ_DEBUG … #define MRQ_EMC_DVFS_EMCHUB … #define MRQ_BWMGR … #define MRQ_ISO_CLIENT … #define MRQ_EMC_DISP_RFL … #define MRQ_TELEMETRY … #define MRQ_PWR_LIMIT … #define MRQ_GEARS … #define MRQ_BWMGR_INT … #define MRQ_OC_STATUS … /** @cond DEPRECATED */ #define MRQ_RESERVED_2 … #define MRQ_RESERVED_3 … #define MRQ_RESERVED_4 … #define MRQ_RESERVED_5 … #define MRQ_RESERVED_6 … #define MRQ_RESERVED_7 … #define MRQ_RESERVED_8 … #define MRQ_RESERVED_10 … #define MRQ_RESERVED_11 … #define MRQ_RESERVED_12 … #define MRQ_RESERVED_13 … #define MRQ_RESERVED_14 … #define MRQ_RESERVED_15 … #define MRQ_RESERVED_16 … #define MRQ_RESERVED_17 … #define MRQ_RESERVED_18 … #define MRQ_RESERVED_24 … #define MRQ_RESERVED_25 … #define MRQ_RESERVED_26 … #define MRQ_RESERVED_30 … #define MRQ_RESERVED_64 … #define MRQ_RESERVED_74 … /** @endcond DEPRECATED */ /** @} */ /** * @ingroup MRQ_Codes * @brief Maximum MRQ code to be sent by CPU software to * BPMP. Subject to change in future */ #define MAX_CPU_MRQ_ID … /** * @addtogroup MRQ_Payloads * @{ * @defgroup Ping Ping * @defgroup Query_Tag Query Tag * @defgroup Module Loadable Modules * @defgroup Trace Trace * @defgroup Debugfs Debug File System * @defgroup Reset Reset * @defgroup I2C I2C * @defgroup Clocks Clocks * @defgroup ABI_info ABI Info * @defgroup Powergating Power Gating * @defgroup Thermal Thermal * @defgroup OC_status OC status * @defgroup Vhint CPU Voltage hint * @defgroup EMC EMC * @defgroup BWMGR BWMGR * @defgroup ISO_CLIENT ISO_CLIENT * @defgroup CPU NDIV Limits * @defgroup RingbufConsole Ring Buffer Console * @defgroup Strap Straps * @defgroup UPHY UPHY * @defgroup CC3 Auto-CC3 * @defgroup FMON FMON * @defgroup EC EC * @defgroup Telemetry Telemetry * @defgroup Pwrlimit PWR_LIMIT * @defgroup Gears Gears * @defgroup BWMGR_INT Bandwidth Manager Integrated * @} MRQ_Payloads */ /** * @ingroup MRQ_Codes * @def MRQ_PING * @brief A simple ping * * * Platforms: All * * Initiators: Any * * Targets: Any * * Request Payload: @ref mrq_ping_request * * Response Payload: @ref mrq_ping_response * * @ingroup MRQ_Codes * @def MRQ_THREADED_PING * @brief A deeper ping * * * Platforms: All * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_ping_request * * Response Payload: @ref mrq_ping_response * * Behavior is equivalent to a simple #MRQ_PING except that BPMP * responds from a thread context (providing a slightly more robust * sign of life). * */ /** * @ingroup Ping * @brief Request with #MRQ_PING * * Used by the sender of an #MRQ_PING message to request a pong from * recipient. The response from the recipient is computed based on * #challenge. */ struct mrq_ping_request { … } BPMP_ABI_PACKED; /** * @ingroup Ping * @brief Response to #MRQ_PING * * Sent in response to an #MRQ_PING message. #reply should be the * mrq_ping_request challenge left shifted by 1 with the carry-bit * dropped. * */ struct mrq_ping_response { … } BPMP_ABI_PACKED; /** * @ingroup MRQ_Codes * @def MRQ_QUERY_TAG * @brief Query BPMP firmware's tag (i.e. unique identifer) * * @deprecated Use #MRQ_QUERY_FW_TAG instead. * * * Platforms: All * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_query_tag_request * * Response Payload: N/A * */ /** * @ingroup Query_Tag * @brief Request with #MRQ_QUERY_TAG * * @deprecated This structure will be removed in future version. * Use MRQ_QUERY_FW_TAG instead. */ struct mrq_query_tag_request { … } BPMP_ABI_PACKED; /** * @ingroup MRQ_Codes * @def MRQ_QUERY_FW_TAG * @brief Query BPMP firmware's tag (i.e. unique identifier) * * * Platforms: All * * Initiators: Any * * Targets: BPMP * * Request Payload: N/A * * Response Payload: @ref mrq_query_fw_tag_response * */ /** * @ingroup Query_Tag * @brief Response to #MRQ_QUERY_FW_TAG * * Sent in response to #MRQ_QUERY_FW_TAG message. #tag contains the unique * identifier for the version of firmware issuing the reply. * */ struct mrq_query_fw_tag_response { … } BPMP_ABI_PACKED; /** @private */ struct mrq_threaded_ping_request { … } BPMP_ABI_PACKED; /** @private */ struct mrq_threaded_ping_response { … } BPMP_ABI_PACKED; /** * @ingroup MRQ_Codes * @def MRQ_DEBUGFS * @brief Interact with BPMP's debugfs file nodes * * @deprecated use MRQ_DEBUG instead. * * * Platforms: T186, T194 * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_debugfs_request * * Response Payload: @ref mrq_debugfs_response */ /** * @addtogroup Debugfs * @{ * * The BPMP firmware implements a pseudo-filesystem called * debugfs. Any driver within the firmware may register with debugfs * to expose an arbitrary set of "files" in the filesystem. When * software on the CPU writes to a debugfs file, debugfs passes the * written data to a callback provided by the driver. When software on * the CPU reads a debugfs file, debugfs queries the driver for the * data to return to the CPU. The intention of the debugfs filesystem * is to provide information useful for debugging the system at * runtime. * * @note The files exposed via debugfs are not part of the * BPMP firmware's ABI. debugfs files may be added or removed in any * given version of the firmware. Typically the semantics of a debugfs * file are consistent from version to version but even that is not * guaranteed. * * @} */ /** @ingroup Debugfs */ enum mrq_debugfs_commands { … }; /** * @ingroup Debugfs * @brief Parameters for CMD_DEBUGFS_READ/WRITE command */ struct cmd_debugfs_fileop_request { … } BPMP_ABI_PACKED; /** * @ingroup Debugfs * @brief Parameters for CMD_DEBUGFS_READ/WRITE command */ struct cmd_debugfs_dumpdir_request { … } BPMP_ABI_PACKED; /** * @ingroup Debugfs * @brief Response data for CMD_DEBUGFS_READ/WRITE command */ struct cmd_debugfs_fileop_response { … } BPMP_ABI_PACKED; /** * @ingroup Debugfs * @brief Response data for CMD_DEBUGFS_DUMPDIR command */ struct cmd_debugfs_dumpdir_response { … } BPMP_ABI_PACKED; /** * @ingroup Debugfs * @brief Request with #MRQ_DEBUGFS. * * The sender of an MRQ_DEBUGFS message uses #cmd to specify a debugfs * command to execute. Legal commands are the values of @ref * mrq_debugfs_commands. Each command requires a specific additional * payload of data. * * |command |payload| * |-------------------|-------| * |CMD_DEBUGFS_READ |fop | * |CMD_DEBUGFS_WRITE |fop | * |CMD_DEBUGFS_DUMPDIR|dumpdir| */ struct mrq_debugfs_request { … } BPMP_ABI_PACKED; /** * @ingroup Debugfs */ struct mrq_debugfs_response { … } BPMP_ABI_PACKED; /** * @addtogroup Debugfs * @{ */ #define DEBUGFS_S_ISDIR … #define DEBUGFS_S_IRUSR … #define DEBUGFS_S_IWUSR … /** @} Debugfs */ /** * @ingroup MRQ_Codes * @def MRQ_DEBUG * @brief Interact with BPMP's debugfs file nodes. Use message payload * for exchanging data. This is functionally equivalent to * @ref MRQ_DEBUGFS. But the way in which data is exchanged is different. * When software running on CPU tries to read a debugfs file, * the file path and read data will be stored in message payload. * Since the message payload size is limited, a debugfs file * transaction might require multiple frames of data exchanged * between BPMP and CPU until the transaction completes. * * * Platforms: T194 * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_debug_request * * Response Payload: @ref mrq_debug_response */ /** @ingroup Debugfs */ enum mrq_debug_commands { … }; /** * @ingroup Debugfs * @brief Maximum number of files that can be open at a given time */ #define DEBUG_MAX_OPEN_FILES … /** * @ingroup Debugfs * @brief Maximum size of null-terminated file name string in bytes. * Value is derived from memory available in message payload while * using @ref cmd_debug_fopen_request * Value 4 corresponds to size of @ref mrq_debug_commands * in @ref mrq_debug_request. * 120 - 4 dbg_cmd(32bit) = 116 */ #define DEBUG_FNAME_MAX_SZ … /** * @ingroup Debugfs * @brief Parameters for CMD_DEBUG_OPEN command */ struct cmd_debug_fopen_request { … } BPMP_ABI_PACKED; /** * @ingroup Debugfs * @brief Response data for CMD_DEBUG_OPEN_RO/WO command */ struct cmd_debug_fopen_response { … } BPMP_ABI_PACKED; /** * @ingroup Debugfs * @brief Parameters for CMD_DEBUG_READ command */ struct cmd_debug_fread_request { … } BPMP_ABI_PACKED; /** * @ingroup Debugfs * @brief Maximum size of read data in bytes. * Value is derived from memory available in message payload while * using @ref cmd_debug_fread_response. */ #define DEBUG_READ_MAX_SZ … /** * @ingroup Debugfs * @brief Response data for CMD_DEBUG_READ command */ struct cmd_debug_fread_response { … } BPMP_ABI_PACKED; /** * @ingroup Debugfs * @brief Maximum size of write data in bytes. * Value is derived from memory available in message payload while * using @ref cmd_debug_fwrite_request. */ #define DEBUG_WRITE_MAX_SZ … /** * @ingroup Debugfs * @brief Parameters for CMD_DEBUG_WRITE command */ struct cmd_debug_fwrite_request { … } BPMP_ABI_PACKED; /** * @ingroup Debugfs * @brief Parameters for CMD_DEBUG_CLOSE command */ struct cmd_debug_fclose_request { … } BPMP_ABI_PACKED; /** * @ingroup Debugfs * @brief Request with #MRQ_DEBUG. * * The sender of an MRQ_DEBUG message uses #cmd to specify a debugfs * command to execute. Legal commands are the values of @ref * mrq_debug_commands. Each command requires a specific additional * payload of data. * * |command |payload| * |-------------------|-------| * |CMD_DEBUG_OPEN_RO |fop | * |CMD_DEBUG_OPEN_WO |fop | * |CMD_DEBUG_READ |frd | * |CMD_DEBUG_WRITE |fwr | * |CMD_DEBUG_CLOSE |fcl | */ struct mrq_debug_request { … } BPMP_ABI_PACKED; /** * @ingroup Debugfs */ struct mrq_debug_response { … } BPMP_ABI_PACKED; /** * @ingroup MRQ_Codes * @def MRQ_RESET * @brief Reset an IP block * * * Platforms: T186, T194 * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_reset_request * * Response Payload: @ref mrq_reset_response * * @addtogroup Reset * @{ */ enum mrq_reset_commands { … }; /** * @brief Request with MRQ_RESET * * Used by the sender of an #MRQ_RESET message to request BPMP to * assert or or deassert a given reset line. */ struct mrq_reset_request { … } BPMP_ABI_PACKED; /** * @brief Response for MRQ_RESET sub-command CMD_RESET_GET_MAX_ID. When * this sub-command is not supported, firmware will return -BPMP_EBADCMD * in mrq_response::err. */ struct cmd_reset_get_max_id_response { … } BPMP_ABI_PACKED; /** * @brief Response with MRQ_RESET * * Each sub-command supported by @ref mrq_reset_request may return * sub-command-specific data. Some do and some do not as indicated * in the following table * * | sub-command | payload | * |----------------------|------------------| * | CMD_RESET_ASSERT | - | * | CMD_RESET_DEASSERT | - | * | CMD_RESET_MODULE | - | * | CMD_RESET_GET_MAX_ID | reset_get_max_id | */ struct mrq_reset_response { … } BPMP_ABI_PACKED; /** @} Reset */ /** * @ingroup MRQ_Codes * @def MRQ_I2C * @brief Issue an i2c transaction * * * Platforms: T186, T194 * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_i2c_request * * Response Payload: @ref mrq_i2c_response * * @addtogroup I2C * @{ */ #define TEGRA_I2C_IPC_MAX_IN_BUF_SIZE … #define TEGRA_I2C_IPC_MAX_OUT_BUF_SIZE … #define SERIALI2C_TEN … #define SERIALI2C_RD … #define SERIALI2C_STOP … #define SERIALI2C_NOSTART … #define SERIALI2C_REV_DIR_ADDR … #define SERIALI2C_IGNORE_NAK … #define SERIALI2C_NO_RD_ACK … #define SERIALI2C_RECV_LEN … enum { … }; /** * @brief Serializable i2c request * * Instances of this structure are packed (little-endian) into * cmd_i2c_xfer_request::data_buf. Each instance represents a single * transaction (or a portion of a transaction with repeated starts) on * an i2c bus. * * Because these structures are packed, some instances are likely to * be misaligned. Additionally because #data is variable length, it is * not possible to iterate through a serialized list of these * structures without inspecting #len in each instance. It may be * easier to serialize or deserialize cmd_i2c_xfer_request::data_buf * manually rather than using this structure definition. */ struct serial_i2c_request { … } BPMP_ABI_PACKED; /** * @brief Trigger one or more i2c transactions */ struct cmd_i2c_xfer_request { … } BPMP_ABI_PACKED; /** * @brief Container for data read from the i2c bus * * Processing an cmd_i2c_xfer_request::data_buf causes BPMP to execute * zero or more I2C reads. The data read from the bus is serialized * into #data_buf. */ struct cmd_i2c_xfer_response { … } BPMP_ABI_PACKED; /** * @brief Request with #MRQ_I2C */ struct mrq_i2c_request { … } BPMP_ABI_PACKED; /** * @brief Response to #MRQ_I2C * * mrq_response:err is * 0: Success * -#BPMP_EBADCMD: if mrq_i2c_request::cmd is other than 1 * -#BPMP_EINVAL: if cmd_i2c_xfer_request does not contain correctly formatted request * -#BPMP_ENODEV: if cmd_i2c_xfer_request::bus_id is not supported by BPMP * -#BPMP_EACCES: if i2c transaction is not allowed due to firewall rules * -#BPMP_ETIMEDOUT: if i2c transaction times out * -#BPMP_ENXIO: if i2c slave device does not reply with ACK to the transaction * -#BPMP_EAGAIN: if ARB_LOST condition is detected by the i2c controller * -#BPMP_EIO: any other i2c controller error code than NO_ACK or ARB_LOST */ struct mrq_i2c_response { … } BPMP_ABI_PACKED; /** @} I2C */ /** * @ingroup MRQ_Codes * @def MRQ_CLK * @brief Perform a clock operation * * * Platforms: T186, T194 * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_clk_request * * Response Payload: @ref mrq_clk_response * * @addtogroup Clocks * @{ */ enum { … }; #define BPMP_CLK_HAS_MUX … #define BPMP_CLK_HAS_SET_RATE … #define BPMP_CLK_IS_ROOT … #define BPMP_CLK_IS_VAR_ROOT … /** * @brief Protection against rate and parent changes * * #MRQ_CLK command #CMD_CLK_SET_RATE or #MRQ_CLK command #CMD_CLK_SET_PARENT will return * -#BPMP_EACCES. */ #define BPMP_CLK_RATE_PARENT_CHANGE_DENIED … /** * @brief Protection against state changes * * #MRQ_CLK command #CMD_CLK_ENABLE or #MRQ_CLK command #CMD_CLK_DISABLE will return * -#BPMP_EACCES. */ #define BPMP_CLK_STATE_CHANGE_DENIED … #define MRQ_CLK_NAME_MAXLEN … #define MRQ_CLK_MAX_PARENTS … /** @private */ struct cmd_clk_get_rate_request { … } BPMP_ABI_PACKED; struct cmd_clk_get_rate_response { … } BPMP_ABI_PACKED; struct cmd_clk_set_rate_request { … } BPMP_ABI_PACKED; struct cmd_clk_set_rate_response { … } BPMP_ABI_PACKED; struct cmd_clk_round_rate_request { … } BPMP_ABI_PACKED; struct cmd_clk_round_rate_response { … } BPMP_ABI_PACKED; /** @private */ struct cmd_clk_get_parent_request { … } BPMP_ABI_PACKED; struct cmd_clk_get_parent_response { … } BPMP_ABI_PACKED; struct cmd_clk_set_parent_request { … } BPMP_ABI_PACKED; struct cmd_clk_set_parent_response { … } BPMP_ABI_PACKED; /** @private */ struct cmd_clk_is_enabled_request { … } BPMP_ABI_PACKED; /** * @brief Response data to #MRQ_CLK sub-command CMD_CLK_IS_ENABLED */ struct cmd_clk_is_enabled_response { … } BPMP_ABI_PACKED; /** @private */ struct cmd_clk_enable_request { … } BPMP_ABI_PACKED; /** @private */ struct cmd_clk_enable_response { … } BPMP_ABI_PACKED; /** @private */ struct cmd_clk_disable_request { … } BPMP_ABI_PACKED; /** @private */ struct cmd_clk_disable_response { … } BPMP_ABI_PACKED; /** @cond DEPRECATED */ /** @private */ struct cmd_clk_properties_request { … } BPMP_ABI_PACKED; /** @todo flags need to be spelled out here */ struct cmd_clk_properties_response { … } BPMP_ABI_PACKED; /** @private */ struct cmd_clk_possible_parents_request { … } BPMP_ABI_PACKED; struct cmd_clk_possible_parents_response { … } BPMP_ABI_PACKED; /** @private */ struct cmd_clk_num_possible_parents_request { … } BPMP_ABI_PACKED; struct cmd_clk_num_possible_parents_response { … } BPMP_ABI_PACKED; struct cmd_clk_get_possible_parent_request { … } BPMP_ABI_PACKED; struct cmd_clk_get_possible_parent_response { … } BPMP_ABI_PACKED; /** @endcond DEPRECATED */ /** @private */ struct cmd_clk_get_all_info_request { … } BPMP_ABI_PACKED; struct cmd_clk_get_all_info_response { … } BPMP_ABI_PACKED; /** @private */ struct cmd_clk_get_max_clk_id_request { … } BPMP_ABI_PACKED; struct cmd_clk_get_max_clk_id_response { … } BPMP_ABI_PACKED; /** @private */ struct cmd_clk_get_fmax_at_vmin_request { … } BPMP_ABI_PACKED; struct cmd_clk_get_fmax_at_vmin_response { … } BPMP_ABI_PACKED; /** * @ingroup Clocks * @brief Request with #MRQ_CLK * * Used by the sender of an #MRQ_CLK message to control clocks. The * clk_request is split into several sub-commands. Some sub-commands * require no additional data. Others have a sub-command specific * payload * * |sub-command |payload | * |----------------------------|-----------------------| * |CMD_CLK_GET_RATE |- | * |CMD_CLK_SET_RATE |clk_set_rate | * |CMD_CLK_ROUND_RATE |clk_round_rate | * |CMD_CLK_GET_PARENT |- | * |CMD_CLK_SET_PARENT |clk_set_parent | * |CMD_CLK_IS_ENABLED |- | * |CMD_CLK_ENABLE |- | * |CMD_CLK_DISABLE |- | * |CMD_CLK_GET_ALL_INFO |- | * |CMD_CLK_GET_MAX_CLK_ID |- | * |CMD_CLK_GET_FMAX_AT_VMIN |- * | * */ /** @cond DEPRECATED * * Older versions of firmware also supported following sub-commands: * |CMD_CLK_PROPERTIES |- | * |CMD_CLK_POSSIBLE_PARENTS |- | * |CMD_CLK_NUM_POSSIBLE_PARENTS|- | * |CMD_CLK_GET_POSSIBLE_PARENT |clk_get_possible_parent| * |CMD_CLK_RESET_REFCOUNTS |- | * * @endcond DEPRECATED */ struct mrq_clk_request { … } BPMP_ABI_PACKED; /** * @ingroup Clocks * @brief Response to MRQ_CLK * * Each sub-command supported by @ref mrq_clk_request may return * sub-command-specific data. Some do and some do not as indicated in * the following table * * |sub-command |payload | * |----------------------------|------------------------| * |CMD_CLK_GET_RATE |clk_get_rate | * |CMD_CLK_SET_RATE |clk_set_rate | * |CMD_CLK_ROUND_RATE |clk_round_rate | * |CMD_CLK_GET_PARENT |clk_get_parent | * |CMD_CLK_SET_PARENT |clk_set_parent | * |CMD_CLK_IS_ENABLED |clk_is_enabled | * |CMD_CLK_ENABLE |- | * |CMD_CLK_DISABLE |- | * |CMD_CLK_GET_ALL_INFO |clk_get_all_info | * |CMD_CLK_GET_MAX_CLK_ID |clk_get_max_id | * |CMD_CLK_GET_FMAX_AT_VMIN |clk_get_fmax_at_vmin | * */ /** @cond DEPRECATED * * Older versions of firmware also supported following sub-commands: * |CMD_CLK_PROPERTIES |clk_properties | * |CMD_CLK_POSSIBLE_PARENTS |clk_possible_parents | * |CMD_CLK_NUM_POSSIBLE_PARENTS|clk_num_possible_parents| * |CMD_CLK_GET_POSSIBLE_PARENT |clk_get_possible_parents| * |CMD_CLK_RESET_REFCOUNTS |- | * * @endcond DEPRECATED */ struct mrq_clk_response { … } BPMP_ABI_PACKED; /** @} Clocks */ /** * @ingroup MRQ_Codes * @def MRQ_QUERY_ABI * @brief Check if an MRQ is implemented * * * Platforms: All * * Initiators: Any * * Targets: Any except DMCE * * Request Payload: @ref mrq_query_abi_request * * Response Payload: @ref mrq_query_abi_response */ /** * @ingroup ABI_info * @brief Request with MRQ_QUERY_ABI * * Used by #MRQ_QUERY_ABI call to check if MRQ code #mrq is supported * by the recipient. */ struct mrq_query_abi_request { … } BPMP_ABI_PACKED; /** * @ingroup ABI_info * @brief Response to MRQ_QUERY_ABI * * @note mrq_response::err of 0 indicates that the query was * successful, not that the MRQ itself is supported! */ struct mrq_query_abi_response { … } BPMP_ABI_PACKED; /** * * @ingroup MRQ_Codes * @def MRQ_PG * @brief Control power-gating state of a partition. In contrast to * MRQ_PG_UPDATE_STATE, operations that change the power partition * state are NOT reference counted * * @cond (bpmp_t194 || bpmp_t186) * @note On T194 and earlier BPMP-FW forcefully turns off some partitions as * part of SC7 entry because their state cannot be adequately restored on exit. * Therefore, it is recommended to power off all domains via MRQ_PG prior to SC7 * entry. * See @ref bpmp_pdomain_ids for further detail. * @endcond (bpmp_t194 || bpmp_t186) * * * Platforms: T186, T194 * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_pg_request * * Response Payload: @ref mrq_pg_response * * @addtogroup Powergating * @{ */ enum mrq_pg_cmd { … }; #define MRQ_PG_NAME_MAXLEN … enum pg_states { … }; struct cmd_pg_query_abi_request { … } BPMP_ABI_PACKED; struct cmd_pg_set_state_request { … } BPMP_ABI_PACKED; /** * @brief Response data to #MRQ_PG sub command #CMD_PG_GET_STATE */ struct cmd_pg_get_state_response { … } BPMP_ABI_PACKED; struct cmd_pg_get_name_response { … } BPMP_ABI_PACKED; struct cmd_pg_get_max_id_response { … } BPMP_ABI_PACKED; /** * @brief Request with #MRQ_PG * * Used by the sender of an #MRQ_PG message to control power * partitions. The pg_request is split into several sub-commands. Some * sub-commands require no additional data. Others have a sub-command * specific payload * * |sub-command |payload | * |----------------------------|-----------------------| * |CMD_PG_QUERY_ABI | query_abi | * |CMD_PG_SET_STATE | set_state | * |CMD_PG_GET_STATE | - | * |CMD_PG_GET_NAME | - | * |CMD_PG_GET_MAX_ID | - | * */ struct mrq_pg_request { … } BPMP_ABI_PACKED; /** * @brief Response to MRQ_PG * * Each sub-command supported by @ref mrq_pg_request may return * sub-command-specific data. Some do and some do not as indicated in * the following table * * |sub-command |payload | * |----------------------------|-----------------------| * |CMD_PG_QUERY_ABI | - | * |CMD_PG_SET_STATE | - | * |CMD_PG_GET_STATE | get_state | * |CMD_PG_GET_NAME | get_name | * |CMD_PG_GET_MAX_ID | get_max_id | */ struct mrq_pg_response { … } BPMP_ABI_PACKED; /** @} Powergating */ /** * @ingroup MRQ_Codes * @def MRQ_THERMAL * @brief Interact with BPMP thermal framework * * * Platforms: T186, T194 * * Initiators: Any * * Targets: Any * * Request Payload: TODO * * Response Payload: TODO * * @addtogroup Thermal * * The BPMP firmware includes a thermal framework. Drivers within the * bpmp firmware register with the framework to provide thermal * zones. Each thermal zone corresponds to an entity whose temperature * can be measured. The framework also has a notion of trip points. A * trip point consists of a thermal zone id, a temperature, and a * callback routine. The framework invokes the callback when the zone * hits the indicated temperature. The BPMP firmware uses this thermal * framework interally to implement various temperature-dependent * functions. * * Software on the CPU can use #MRQ_THERMAL (with payload @ref * mrq_thermal_host_to_bpmp_request) to interact with the BPMP thermal * framework. The CPU must It can query the number of supported zones, * query zone temperatures, and set trip points. * * When a trip point set by the CPU gets crossed, BPMP firmware issues * an IPC to the CPU having mrq_request::mrq = #MRQ_THERMAL and a * payload of @ref mrq_thermal_bpmp_to_host_request. * @{ */ enum mrq_thermal_host_to_bpmp_cmd { … }; enum mrq_thermal_bpmp_to_host_cmd { … }; /* * Host->BPMP request data for request type CMD_THERMAL_QUERY_ABI * * zone: Request type for which to check existence. */ struct cmd_thermal_query_abi_request { … } BPMP_ABI_PACKED; /* * Host->BPMP request data for request type CMD_THERMAL_GET_TEMP * * zone: Number of thermal zone. */ struct cmd_thermal_get_temp_request { … } BPMP_ABI_PACKED; /* * BPMP->Host reply data for request CMD_THERMAL_GET_TEMP * * error: 0 if request succeeded. * -BPMP_EINVAL if request parameters were invalid. * -BPMP_ENOENT if no driver was registered for the specified thermal zone. * -BPMP_EFAULT for other thermal zone driver errors. * temp: Current temperature in millicelsius. */ struct cmd_thermal_get_temp_response { … } BPMP_ABI_PACKED; /* * Host->BPMP request data for request type CMD_THERMAL_SET_TRIP * * zone: Number of thermal zone. * low: Temperature of lower trip point in millicelsius * high: Temperature of upper trip point in millicelsius * enabled: 1 to enable trip point, 0 to disable trip point */ struct cmd_thermal_set_trip_request { … } BPMP_ABI_PACKED; /* * BPMP->Host request data for request type CMD_THERMAL_HOST_TRIP_REACHED * * zone: Number of thermal zone where trip point was reached. */ struct cmd_thermal_host_trip_reached_request { … } BPMP_ABI_PACKED; /* * BPMP->Host reply data for request type CMD_THERMAL_GET_NUM_ZONES * * num: Number of supported thermal zones. The thermal zones are indexed * starting from zero. */ struct cmd_thermal_get_num_zones_response { … } BPMP_ABI_PACKED; /* * Host->BPMP request data for request type CMD_THERMAL_GET_THERMTRIP * * zone: Number of thermal zone. */ struct cmd_thermal_get_thermtrip_request { … } BPMP_ABI_PACKED; /* * BPMP->Host reply data for request CMD_THERMAL_GET_THERMTRIP * * thermtrip: HW shutdown temperature in millicelsius. */ struct cmd_thermal_get_thermtrip_response { … } BPMP_ABI_PACKED; /* * Host->BPMP request data. * * Reply type is union mrq_thermal_bpmp_to_host_response. * * type: Type of request. Values listed in enum mrq_thermal_type. * data: Request type specific parameters. */ struct mrq_thermal_host_to_bpmp_request { … } BPMP_ABI_PACKED; /* * BPMP->Host request data. * * type: Type of request. Values listed in enum mrq_thermal_type. * data: Request type specific parameters. */ struct mrq_thermal_bpmp_to_host_request { … } BPMP_ABI_PACKED; /* * Data in reply to a Host->BPMP request. */ mrq_thermal_bpmp_to_host_response BPMP_ABI_PACKED; /** @} Thermal */ /** * @ingroup MRQ_Codes * @def MRQ_OC_STATUS * @brief Query over current status * * * Platforms: T234 * @cond bpmp_t234 * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: N/A * * Response Payload: @ref mrq_oc_status_response * * @addtogroup OC_status * @{ */ #define OC_STATUS_MAX_SIZE … /* * @brief Response to #MRQ_OC_STATUS * * throt_en: Value for each OC alarm where zero signifies throttle is * disabled, and non-zero throttle is enabled. * event_cnt: Total number of OC events for each OC alarm. * * mrq_response::err is 0 if the operation was successful and * -#BPMP_ENODEV otherwise. */ struct mrq_oc_status_response { … } BPMP_ABI_PACKED; /** @} OC_status */ /** @endcond bpmp_t234 */ /** * @ingroup MRQ_Codes * @def MRQ_CPU_VHINT * @brief Query CPU voltage hint data * * * Platforms: T186 * @cond bpmp_t186 * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_cpu_vhint_request * * Response Payload: N/A * * @addtogroup Vhint * @{ */ /** * @brief Request with #MRQ_CPU_VHINT * * Used by #MRQ_CPU_VHINT call by CCPLEX to retrieve voltage hint data * from BPMP to memory space pointed by #addr. CCPLEX is responsible * to allocate sizeof(cpu_vhint_data) sized block of memory and * appropriately map it for BPMP before sending the request. */ struct mrq_cpu_vhint_request { … } BPMP_ABI_PACKED; /** * @brief Description of the CPU v/f relation * * Used by #MRQ_CPU_VHINT call to carry data pointed by * #mrq_cpu_vhint_request::addr */ struct cpu_vhint_data { … } BPMP_ABI_PACKED; /** @} Vhint */ /** @endcond bpmp_t186 */ /** * @ingroup MRQ_Codes * @def MRQ_ABI_RATCHET * @brief ABI ratchet value query * * * Platforms: T186, T194 * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_abi_ratchet_request * * Response Payload: @ref mrq_abi_ratchet_response * @addtogroup ABI_info * @{ */ /** * @brief An ABI compatibility mechanism * * BPMP_ABI_RATCHET_VALUE may increase for various reasons in a future * revision of this header file. * 1. That future revision deprecates some MRQ * 2. That future revision introduces a breaking change to an existing * MRQ or * 3. A bug is discovered in an existing implementation of the BPMP-FW * (or possibly one of its clients) which warrants deprecating that * implementation. */ #define BPMP_ABI_RATCHET_VALUE … /** * @brief Request with #MRQ_ABI_RATCHET. * * #ratchet should be #BPMP_ABI_RATCHET_VALUE from the ABI header * against which the requester was compiled. * * If ratchet is less than BPMP's #BPMP_ABI_RATCHET_VALUE, BPMP may * reply with mrq_response::err = -#BPMP_ERANGE to indicate that * BPMP-FW cannot interoperate correctly with the requester. Requester * should cease further communication with BPMP. * * Otherwise, err shall be 0. */ struct mrq_abi_ratchet_request { … }; /** * @brief Response to #MRQ_ABI_RATCHET * * #ratchet shall be #BPMP_ABI_RATCHET_VALUE from the ABI header * against which BPMP firwmare was compiled. * * If #ratchet is less than the requester's #BPMP_ABI_RATCHET_VALUE, * the requster must either interoperate with BPMP according to an ABI * header version with BPMP_ABI_RATCHET_VALUE = ratchet or cease * communication with BPMP. * * If mrq_response::err is 0 and ratchet is greater than or equal to the * requester's BPMP_ABI_RATCHET_VALUE, the requester should continue * normal operation. */ struct mrq_abi_ratchet_response { … }; /** @} ABI_info */ /** * @ingroup MRQ_Codes * @def MRQ_EMC_DVFS_LATENCY * @brief Query frequency dependent EMC DVFS latency * * * Platforms: T186, T194, T234 * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: N/A * * Response Payload: @ref mrq_emc_dvfs_latency_response * @addtogroup EMC * @{ */ /** * @brief Used by @ref mrq_emc_dvfs_latency_response */ struct emc_dvfs_latency { … } BPMP_ABI_PACKED; #define EMC_DVFS_LATENCY_MAX_SIZE … /** * @brief Response to #MRQ_EMC_DVFS_LATENCY */ struct mrq_emc_dvfs_latency_response { … } BPMP_ABI_PACKED; /** @} EMC */ /** * @ingroup MRQ_Codes * @def MRQ_EMC_DVFS_EMCHUB * @brief Query EMC HUB frequencies * * * Platforms: T234 onwards * @cond (bpmp_t234 || bpmp_t239 || bpmp_th500) * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: N/A * * Response Payload: @ref mrq_emc_dvfs_emchub_response * @addtogroup EMC * @{ */ /** * @brief Used by @ref mrq_emc_dvfs_emchub_response */ struct emc_dvfs_emchub { … } BPMP_ABI_PACKED; #define EMC_DVFS_EMCHUB_MAX_SIZE … /** * @brief Response to #MRQ_EMC_DVFS_EMCHUB */ struct mrq_emc_dvfs_emchub_response { … } BPMP_ABI_PACKED; /** @} EMC */ /** @endcond (bpmp_t234 || bpmp_t239 || bpmp_th500) */ /** * @ingroup MRQ_Codes * @def MRQ_EMC_DISP_RFL * @brief Set EMC display RFL handshake mode of operations * * * Platforms: T234 onwards * @cond (bpmp_t234 || bpmp_t239 || bpmp_th500) * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_emc_disp_rfl_request * * Response Payload: N/A * * @addtogroup EMC * @{ */ enum mrq_emc_disp_rfl_mode { … }; /** * @ingroup EMC * @brief Request with #MRQ_EMC_DISP_RFL * * Used by the sender of an #MRQ_EMC_DISP_RFL message to * request the mode of EMC display RFL handshake. * * mrq_response::err is * * 0: RFL mode is set successfully * * -#BPMP_EINVAL: invalid mode requested * * -#BPMP_ENOSYS: RFL handshake is not supported * * -#BPMP_EACCES: Permission denied * * -#BPMP_ENODEV: if disp rfl mrq is not supported by BPMP-FW */ struct mrq_emc_disp_rfl_request { … } BPMP_ABI_PACKED; /** @} EMC */ /** @endcond (bpmp_t234 || bpmp_t239 || bpmp_th500) */ /** * @ingroup MRQ_Codes * @def MRQ_BWMGR * @brief bwmgr requests * * * Platforms: T234 onwards * @cond (bpmp_t234 || bpmp_t239 || bpmp_th500) * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_bwmgr_request * * Response Payload: @ref mrq_bwmgr_response * * @addtogroup BWMGR * * @{ */ enum mrq_bwmgr_cmd { … }; /* * request data for request type CMD_BWMGR_QUERY_ABI * * type: Request type for which to check existence. */ struct cmd_bwmgr_query_abi_request { … } BPMP_ABI_PACKED; /** * @brief Used by @ref cmd_bwmgr_calc_rate_request */ struct iso_req { … } BPMP_ABI_PACKED; #define MAX_ISO_CLIENTS … /* * request data for request type CMD_BWMGR_CALC_RATE */ struct cmd_bwmgr_calc_rate_request { … } BPMP_ABI_PACKED; /* * response data for request type CMD_BWMGR_CALC_RATE * * iso_rate_min: min dram data clk rate in kHz to satisfy all iso bw reqs * total_rate_min: min dram data clk rate in kHz to satisfy all bw reqs */ struct cmd_bwmgr_calc_rate_response { … } BPMP_ABI_PACKED; /* * @brief Request with #MRQ_BWMGR * * * |sub-command |payload | * |----------------------------|------------------------------| * |CMD_BWMGR_QUERY_ABI | cmd_bwmgr_query_abi_request | * |CMD_BWMGR_CALC_RATE | cmd_bwmgr_calc_rate_request | * */ struct mrq_bwmgr_request { … } BPMP_ABI_PACKED; /* * @brief Response to MRQ_BWMGR * * |sub-command |payload | * |----------------------------|------------------------------| * |CMD_BWMGR_CALC_RATE | cmd_bwmgr_calc_rate_response | */ struct mrq_bwmgr_response { … } BPMP_ABI_PACKED; /** @} BWMGR */ /** @endcond (bpmp_t234 || bpmp_t239 || bpmp_th500) */ /** * @ingroup MRQ_Codes * @def MRQ_BWMGR_INT * @brief bpmp-integrated bwmgr requests * * * Platforms: T234 onwards * @cond (bpmp_t234 || bpmp_t239 || bpmp_th500) * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_bwmgr_int_request * * Response Payload: @ref mrq_bwmgr_int_response * * @addtogroup BWMGR_INT * @{ */ enum mrq_bwmgr_int_cmd { … }; /* * request structure for request type CMD_BWMGR_QUERY_ABI * * type: Request type for which to check existence. */ struct cmd_bwmgr_int_query_abi_request { … } BPMP_ABI_PACKED; /** * @defgroup bwmgr_int_unit_type BWMGR_INT floor unit-types * @addtogroup bwmgr_int_unit_type * @{ */ /** @brief kilobytes per second unit-type */ #define BWMGR_INT_UNIT_KBPS … /** @brief kilohertz unit-type */ #define BWMGR_INT_UNIT_KHZ … /** @} bwmgr_int_unit_type */ /* * request data for request type CMD_BWMGR_INT_CALC_AND_SET */ struct cmd_bwmgr_int_calc_and_set_request { … } BPMP_ABI_PACKED; struct cmd_bwmgr_int_cap_set_request { … } BPMP_ABI_PACKED; /* * response data for request type CMD_BWMGR_CALC_AND_SET */ struct cmd_bwmgr_int_calc_and_set_response { … } BPMP_ABI_PACKED; /* * @brief Request with #MRQ_BWMGR_INT * * * |sub-command |payload | * |----------------------------|-----------------------------------| * |CMD_BWMGR_INT_QUERY_ABI | cmd_bwmgr_int_query_abi_request | * |CMD_BWMGR_INT_CALC_AND_SET | cmd_bwmgr_int_calc_and_set_request| * |CMD_BWMGR_INT_CAP_SET | cmd_bwmgr_int_cap_set_request | * */ struct mrq_bwmgr_int_request { … } BPMP_ABI_PACKED; /* * @brief Response to MRQ_BWMGR_INT * * |sub-command |payload | * |----------------------------|---------------------------------------| * |CMD_BWMGR_INT_CALC_AND_SET | cmd_bwmgr_int_calc_and_set_response | */ struct mrq_bwmgr_int_response { … } BPMP_ABI_PACKED; /** @} BWMGR_INT */ /** @endcond (bpmp_t234 || bpmp_t239 || bpmp_th500) */ /** * @ingroup MRQ_Codes * @def MRQ_ISO_CLIENT * @brief ISO client requests * * * Platforms: T234 onwards * @cond (bpmp_t234 || bpmp_t239 || bpmp_th500) * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_iso_client_request * * Response Payload: @ref mrq_iso_client_response * * @addtogroup ISO_CLIENT * @{ */ enum mrq_iso_client_cmd { … }; /* * request data for request type CMD_ISO_CLIENT_QUERY_ABI * * type: Request type for which to check existence. */ struct cmd_iso_client_query_abi_request { … } BPMP_ABI_PACKED; /* * request data for request type CMD_ISO_CLIENT_CALCULATE_LA * * id: client ID in @ref bpmp_bwmgr_ids * bw: bw requested in kBps by client ID. * init_bw_floor: initial dram_bw_floor in kBps passed by client ID. * ISO client will perform mempool allocation and DVFS buffering based * on this dram_bw_floor. */ struct cmd_iso_client_calculate_la_request { … } BPMP_ABI_PACKED; /* * request data for request type CMD_ISO_CLIENT_SET_LA * * id: client ID in @ref bpmp_bwmgr_ids * bw: bw requested in kBps by client ID. * final_bw_floor: final dram_bw_floor in kBps. * Sometimes the initial dram_bw_floor passed by ISO client may need to be * updated by considering higher dram freq's. This is the final dram_bw_floor * used to calculate and program MC registers. */ struct cmd_iso_client_set_la_request { … } BPMP_ABI_PACKED; /* * request data for request type CMD_ISO_CLIENT_GET_MAX_BW * * id: client ID in @ref bpmp_bwmgr_ids */ struct cmd_iso_client_get_max_bw_request { … } BPMP_ABI_PACKED; /* * response data for request type CMD_ISO_CLIENT_CALCULATE_LA * * la_rate_floor: minimum dram_rate_floor in kHz at which a legal la is possible * iso_client_only_rate: Minimum dram freq in kHz required to satisfy this clients * iso bw request, assuming all other iso clients are inactive */ struct cmd_iso_client_calculate_la_response { … } BPMP_ABI_PACKED; /** * @brief Used by @ref cmd_iso_client_get_max_bw_response */ struct iso_max_bw { … } BPMP_ABI_PACKED; #define ISO_MAX_BW_MAX_SIZE … /* * response data for request type CMD_ISO_CLIENT_GET_MAX_BW */ struct cmd_iso_client_get_max_bw_response { … } BPMP_ABI_PACKED; /** * @brief Request with #MRQ_ISO_CLIENT * * Used by the sender of an #MRQ_ISO_CLIENT message. * * |sub-command |payload | * |------------------------------------ |----------------------------------------| * |CMD_ISO_CLIENT_QUERY_ABI |cmd_iso_client_query_abi_request | * |CMD_ISO_CLIENT_CALCULATE_LA |cmd_iso_client_calculate_la_request | * |CMD_ISO_CLIENT_SET_LA |cmd_iso_client_set_la_request | * |CMD_ISO_CLIENT_GET_MAX_BW |cmd_iso_client_get_max_bw_request | * */ struct mrq_iso_client_request { … } BPMP_ABI_PACKED; /** * @brief Response to MRQ_ISO_CLIENT * * Each sub-command supported by @ref mrq_iso_client_request may return * sub-command-specific data. Some do and some do not as indicated in * the following table * * |sub-command |payload | * |---------------------------- |------------------------------------| * |CMD_ISO_CLIENT_CALCULATE_LA |cmd_iso_client_calculate_la_response| * |CMD_ISO_CLIENT_SET_LA |N/A | * |CMD_ISO_CLIENT_GET_MAX_BW |cmd_iso_client_get_max_bw_response | * */ struct mrq_iso_client_response { … } BPMP_ABI_PACKED; /** @} ISO_CLIENT */ /** @endcond (bpmp_t234 || bpmp_t239 || bpmp_th500) */ /** * @ingroup MRQ_Codes * @def MRQ_CPU_NDIV_LIMITS * @brief CPU freq. limits in ndiv * * * Platforms: T194 onwards * @cond (bpmp_t194 || bpmp_t234 || bpmp_t239 || bpmp_th500) * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_cpu_ndiv_limits_request * * Response Payload: @ref mrq_cpu_ndiv_limits_response * @addtogroup CPU * @{ */ /** * @brief Request for ndiv limits of a cluster */ struct mrq_cpu_ndiv_limits_request { … } BPMP_ABI_PACKED; /** * @brief Response to #MRQ_CPU_NDIV_LIMITS */ struct mrq_cpu_ndiv_limits_response { … } BPMP_ABI_PACKED; /** @} CPU */ /** @endcond (bpmp_t194 || bpmp_t234 || bpmp_t239 || bpmp_th500) */ /** * @ingroup MRQ_Codes * @def MRQ_CPU_AUTO_CC3 * @brief Query CPU cluster auto-CC3 configuration * * * Platforms: T194 * @cond bpmp_t194 * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_cpu_auto_cc3_request * * Response Payload: @ref mrq_cpu_auto_cc3_response * @addtogroup CC3 * * Queries from BPMP auto-CC3 configuration (allowed/not allowed) for a * specified cluster. CCPLEX s/w uses this information to override its own * device tree auto-CC3 settings, so that BPMP device tree is a single source of * auto-CC3 platform configuration. * * @{ */ /** * @brief Request for auto-CC3 configuration of a cluster */ struct mrq_cpu_auto_cc3_request { … } BPMP_ABI_PACKED; /** * @brief Response to #MRQ_CPU_AUTO_CC3 */ struct mrq_cpu_auto_cc3_response { … } BPMP_ABI_PACKED; /** @} CC3 */ /** @endcond bpmp_t194 */ /** * @ingroup MRQ_Codes * @def MRQ_RINGBUF_CONSOLE * @brief A ring buffer debug console for BPMP * @addtogroup RingbufConsole * * The ring buffer debug console aims to be a substitute for the UART debug * console. The debug console is implemented with two ring buffers in the * BPMP-FW, the RX (receive) and TX (transmit) buffers. Characters can be read * and written to the buffers by the host via the MRQ interface. * * @{ */ /** * @brief Maximum number of bytes transferred in a single write command to the * BPMP * * This is determined by the number of free bytes in the message struct, * rounded down to a multiple of four. */ #define MRQ_RINGBUF_CONSOLE_MAX_WRITE_LEN … /** * @brief Maximum number of bytes transferred in a single read command to the * BPMP * * This is determined by the number of free bytes in the message struct, * rounded down to a multiple of four. */ #define MRQ_RINGBUF_CONSOLE_MAX_READ_LEN … enum mrq_ringbuf_console_host_to_bpmp_cmd { … }; /** * @ingroup RingbufConsole * @brief Host->BPMP request data for request type * #CMD_RINGBUF_CONSOLE_QUERY_ABI */ struct cmd_ringbuf_console_query_abi_req { … } BPMP_ABI_PACKED; /** @private */ struct cmd_ringbuf_console_query_abi_resp { … } BPMP_ABI_PACKED; /** * @ingroup RingbufConsole * @brief Host->BPMP request data for request type #CMD_RINGBUF_CONSOLE_READ */ struct cmd_ringbuf_console_read_req { … } BPMP_ABI_PACKED; /** * @ingroup RingbufConsole * @brief BPMP->Host response data for request type #CMD_RINGBUF_CONSOLE_READ */ struct cmd_ringbuf_console_read_resp { … } BPMP_ABI_PACKED; /** * @ingroup RingbufConsole * @brief Host->BPMP request data for request type #CMD_RINGBUF_CONSOLE_WRITE */ struct cmd_ringbuf_console_write_req { … } BPMP_ABI_PACKED; /** * @ingroup RingbufConsole * @brief BPMP->Host response data for request type #CMD_RINGBUF_CONSOLE_WRITE */ struct cmd_ringbuf_console_write_resp { … } BPMP_ABI_PACKED; /** @private */ struct cmd_ringbuf_console_get_fifo_req { … } BPMP_ABI_PACKED; /** * @ingroup RingbufConsole * @brief BPMP->Host reply data for request type #CMD_RINGBUF_CONSOLE_GET_FIFO */ struct cmd_ringbuf_console_get_fifo_resp { … } BPMP_ABI_PACKED; /** * @ingroup RingbufConsole * @brief Host->BPMP request data. * * Reply type is union #mrq_ringbuf_console_bpmp_to_host_response . */ struct mrq_ringbuf_console_host_to_bpmp_request { … } BPMP_ABI_PACKED; /** * @ingroup RingbufConsole * @brief Host->BPMP reply data * * In response to struct #mrq_ringbuf_console_host_to_bpmp_request. */ mrq_ringbuf_console_bpmp_to_host_response BPMP_ABI_PACKED; /** @} RingbufConsole */ /** * @ingroup MRQ_Codes * @def MRQ_STRAP * @brief Set a strap value controlled by BPMP * * * Platforms: T194 onwards * @cond (bpmp_t194 || bpmp_t234 || bpmp_t239 || bpmp_th500) * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_strap_request * * Response Payload: N/A * @addtogroup Strap * * A strap is an input that is sampled by a hardware unit during the * unit's startup process. The sampled value of a strap affects the * behavior of the unit until the unit is restarted. Many hardware * units sample their straps at the instant that their resets are * deasserted. * * BPMP owns registers which act as straps to various units. It * exposes limited control of those straps via #MRQ_STRAP. * * @{ */ enum mrq_strap_cmd { … }; /** * @brief Request with #MRQ_STRAP */ struct mrq_strap_request { … } BPMP_ABI_PACKED; /** @} Strap */ /** @endcond (bpmp_t194 || bpmp_t234 || bpmp_t239 || bpmp_th500) */ /** * @ingroup MRQ_Codes * @def MRQ_UPHY * @brief Perform a UPHY operation * * * Platforms: T194 onwards * @cond (bpmp_t194 || bpmp_t234 || bpmp_t239 || bpmp_th500) * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_uphy_request * * Response Payload: @ref mrq_uphy_response * * @addtogroup UPHY * @{ */ enum { … }; struct cmd_uphy_margin_control_request { … } BPMP_ABI_PACKED; struct cmd_uphy_margin_status_response { … } BPMP_ABI_PACKED; struct cmd_uphy_ep_controller_pll_init_request { … } BPMP_ABI_PACKED; struct cmd_uphy_pcie_controller_state_request { … } BPMP_ABI_PACKED; struct cmd_uphy_ep_controller_pll_off_request { … } BPMP_ABI_PACKED; struct cmd_uphy_display_port_init_request { … } BPMP_ABI_PACKED; struct cmd_uphy_xusb_dyn_lanes_restore_request { … } BPMP_ABI_PACKED; /** * @ingroup UPHY * @brief Request with #MRQ_UPHY * * Used by the sender of an #MRQ_UPHY message to control UPHY. * The uphy_request is split into several sub-commands. CMD_UPHY_PCIE_LANE_MARGIN_STATUS * requires no additional data. Others have a sub-command specific payload. Below table * shows sub-commands with their corresponding payload data. * * |sub-command |payload | * |------------------------------------ |----------------------------------------| * |CMD_UPHY_PCIE_LANE_MARGIN_CONTROL |uphy_set_margin_control | * |CMD_UPHY_PCIE_LANE_MARGIN_STATUS | | * |CMD_UPHY_PCIE_EP_CONTROLLER_PLL_INIT |cmd_uphy_ep_controller_pll_init_request | * |CMD_UPHY_PCIE_CONTROLLER_STATE |cmd_uphy_pcie_controller_state_request | * |CMD_UPHY_PCIE_EP_CONTROLLER_PLL_OFF |cmd_uphy_ep_controller_pll_off_request | * |CMD_UPHY_PCIE_DISPLAY_PORT_INIT |cmd_uphy_display_port_init_request | * |CMD_UPHY_PCIE_DISPLAY_PORT_OFF | | * |CMD_UPHY_XUSB_DYN_LANES_RESTORE |cmd_uphy_xusb_dyn_lanes_restore_request | * */ struct mrq_uphy_request { … } BPMP_ABI_PACKED; /** * @ingroup UPHY * @brief Response to MRQ_UPHY * * Each sub-command supported by @ref mrq_uphy_request may return * sub-command-specific data. Some do and some do not as indicated in * the following table * * |sub-command |payload | * |---------------------------- |------------------------| * |CMD_UPHY_PCIE_LANE_MARGIN_CONTROL | | * |CMD_UPHY_PCIE_LANE_MARGIN_STATUS |uphy_get_margin_status | * */ struct mrq_uphy_response { … } BPMP_ABI_PACKED; /** @} UPHY */ /** @endcond (bpmp_t194 || bpmp_t234 || bpmp_t239 || bpmp_th500) */ /** * @ingroup MRQ_Codes * @def MRQ_FMON * @brief Perform a frequency monitor configuration operations * * * Platforms: T194 onwards * @cond (bpmp_t194 || bpmp_t234 || bpmp_t239 || bpmp_th500) * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_fmon_request * * Response Payload: @ref mrq_fmon_response * @endcond (bpmp_t194 || bpmp_t234 || bpmp_t239 || bpmp_th500) * * @addtogroup FMON * @{ * @cond (bpmp_t194 || bpmp_t234) */ enum { … }; /** * @cond DEPRECATED * Kept for backward compatibility */ #define CMD_FMON_NUM … /** @endcond DEPRECATED */ /** * @defgroup fmon_fault_type FMON fault type * @addtogroup fmon_fault_type * @{ */ /** @brief All detected FMON faults (h/w or s/w) */ #define FMON_FAULT_TYPE_ALL … /** @brief FMON faults detected by h/w */ #define FMON_FAULT_TYPE_HW … /** @brief FMON faults detected by s/w */ #define FMON_FAULT_TYPE_SW … /** @} fmon_fault_type */ struct cmd_fmon_gear_clamp_request { … } BPMP_ABI_PACKED; /** @private */ struct cmd_fmon_gear_clamp_response { … } BPMP_ABI_PACKED; /** @private */ struct cmd_fmon_gear_free_request { … } BPMP_ABI_PACKED; /** @private */ struct cmd_fmon_gear_free_response { … } BPMP_ABI_PACKED; /** @private */ struct cmd_fmon_gear_get_request { … } BPMP_ABI_PACKED; struct cmd_fmon_gear_get_response { … } BPMP_ABI_PACKED; struct cmd_fmon_fault_sts_get_request { … } BPMP_ABI_PACKED; struct cmd_fmon_fault_sts_get_response { … } BPMP_ABI_PACKED; /** * @ingroup FMON * @brief Request with #MRQ_FMON * * Used by the sender of an #MRQ_FMON message to configure clock * frequency monitors. The FMON request is split into several * sub-commands. Some sub-commands require no additional data. * Others have a sub-command specific payload * * |sub-command |payload | * |----------------------------|-----------------------| * |CMD_FMON_GEAR_CLAMP |fmon_gear_clamp | * |CMD_FMON_GEAR_FREE |- | * |CMD_FMON_GEAR_GET |- | * |CMD_FMON_FAULT_STS_GET |fmon_fault_sts_get | * */ struct mrq_fmon_request { … } BPMP_ABI_PACKED; /** * @ingroup FMON * @brief Response to MRQ_FMON * * Each sub-command supported by @ref mrq_fmon_request may * return sub-command-specific data as indicated below. * * |sub-command |payload | * |----------------------------|------------------------| * |CMD_FMON_GEAR_CLAMP |- | * |CMD_FMON_GEAR_FREE |- | * |CMD_FMON_GEAR_GET |fmon_gear_get | * |CMD_FMON_FAULT_STS_GET |fmon_fault_sts_get | * */ struct mrq_fmon_response { … } BPMP_ABI_PACKED; /** @endcond (bpmp_t194 || bpmp_t234) */ /** @} FMON */ /** * @ingroup MRQ_Codes * @def MRQ_EC * @brief Provide status information on faults reported by Error * Collator (EC) to HSM. * * * Platforms: T194 * @cond bpmp_t194 * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_ec_request * * Response Payload: @ref mrq_ec_response * * @note This MRQ ABI is under construction, and subject to change * * @endcond bpmp_t194 * @addtogroup EC * @{ * @cond bpmp_t194 */ enum { … }; /** @brief BPMP ECs error types */ enum bpmp_ec_err_type { … }; /** @brief Group of registers with parity error. */ enum ec_registers_group { … }; /** * @defgroup bpmp_ec_status_flags EC Status Flags * @addtogroup bpmp_ec_status_flags * @{ */ /** @brief No EC error found flag */ #define EC_STATUS_FLAG_NO_ERROR … /** @brief Last EC error found flag */ #define EC_STATUS_FLAG_LAST_ERROR … /** @brief EC latent error flag */ #define EC_STATUS_FLAG_LATENT_ERROR … /** @} bpmp_ec_status_flags */ /** * @defgroup bpmp_ec_desc_flags EC Descriptor Flags * @addtogroup bpmp_ec_desc_flags * @{ */ /** @brief EC descriptor error resolved flag */ #define EC_DESC_FLAG_RESOLVED … /** @brief EC descriptor failed to retrieve id flag */ #define EC_DESC_FLAG_NO_ID … /** @} bpmp_ec_desc_flags */ /** * |error type | fmon_clk_id values | * |---------------------------------|---------------------------| * |@ref EC_ERR_TYPE_CLOCK_MONITOR |@ref bpmp_clock_ids | */ struct ec_err_fmon_desc { … } BPMP_ABI_PACKED; /** * | error type | vmon_adc_id values | * |---------------------------------|---------------------------| * |@ref EC_ERR_TYPE_VOLTAGE_MONITOR |@ref bpmp_adc_ids | */ struct ec_err_vmon_desc { … } BPMP_ABI_PACKED; /** * |error type | reg_id values | * |---------------------------------|-----------------------| * |@ref EC_ERR_TYPE_REGISTER_PARITY | bpmp_ec_registers_ids | */ struct ec_err_reg_parity_desc { … } BPMP_ABI_PACKED; /** * |error type | err_source_id values | * |--------------------------------- |----------------------| * |@ref EC_ERR_TYPE_SW_CORRECTABLE | bpmp_ec_ce_swd_ids | * |@ref EC_ERR_TYPE_SW_UNCORRECTABLE | bpmp_ec_ue_swd_ids | */ struct ec_err_sw_error_desc { … } BPMP_ABI_PACKED; /** * |error type | err_source_id values | * |----------------------------------------|------------------------| * |@ref EC_ERR_TYPE_PARITY_INTERNAL | bpmp_ec_ipath_ids | * |@ref EC_ERR_TYPE_ECC_SEC_INTERNAL | bpmp_ec_ipath_ids | * |@ref EC_ERR_TYPE_ECC_DED_INTERNAL | bpmp_ec_ipath_ids | * |@ref EC_ERR_TYPE_COMPARATOR | bpmp_ec_comparator_ids| * |@ref EC_ERR_TYPE_OTHER_HW_CORRECTABLE | bpmp_ec_misc_hwd_ids | * |@ref EC_ERR_TYPE_OTHER_HW_UNCORRECTABLE | bpmp_ec_misc_hwd_ids | * |@ref EC_ERR_TYPE_PARITY_SRAM | bpmp_clock_ids | */ struct ec_err_simple_desc { … } BPMP_ABI_PACKED; /** @brief Union of EC error descriptors */ ec_err_desc BPMP_ABI_PACKED; struct cmd_ec_status_get_request { … } BPMP_ABI_PACKED; /** EC status maximum number of descriptors */ #define EC_ERR_STATUS_DESC_MAX_NUM … /** * @cond DEPRECATED */ struct cmd_ec_status_get_response { … } BPMP_ABI_PACKED; /** @endcond DEPRECATED */ struct cmd_ec_status_ex_get_response { … } BPMP_ABI_PACKED; /** * @ingroup EC * @brief Request with #MRQ_EC * * Used by the sender of an #MRQ_EC message to access ECs owned * by BPMP. * * @cond DEPRECATED * |sub-command |payload | * |----------------------------|-----------------------| * |@ref CMD_EC_STATUS_GET |ec_status_get | * @endcond DEPRECATED * * |sub-command |payload | * |----------------------------|-----------------------| * |@ref CMD_EC_STATUS_EX_GET |ec_status_get | * */ struct mrq_ec_request { … } BPMP_ABI_PACKED; /** * @ingroup EC * @brief Response to MRQ_EC * * Each sub-command supported by @ref mrq_ec_request may return * sub-command-specific data as indicated below. * * @cond DEPRECATED * |sub-command |payload | * |----------------------------|------------------------| * |@ref CMD_EC_STATUS_GET |ec_status_get | * @endcond DEPRECATED * * |sub-command |payload | * |----------------------------|------------------------| * |@ref CMD_EC_STATUS_EX_GET |ec_status_ex_get | * */ struct mrq_ec_response { … } BPMP_ABI_PACKED; /** @endcond bpmp_t194 */ /** @} EC */ /** * @ingroup MRQ_Codes * @def MRQ_TELEMETRY * @brief Get address of memory buffer refreshed with recently sampled * telemetry data * * * Platforms: TH500 onwards * @cond bpmp_th500 * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: N/A * * Response Payload: @ref mrq_telemetry_response * @addtogroup Telemetry * @{ */ /** * @brief Response to #MRQ_TELEMETRY * * mrq_response::err is * * 0: Telemetry data is available at returned address * * -#BPMP_EACCES: MRQ master is not allowed to request buffer refresh * * -#BPMP_ENAVAIL: Telemetry buffer cannot be refreshed via this MRQ channel * * -#BPMP_ENOTSUP: Telemetry buffer is not supported by BPMP-FW * * -#BPMP_ENODEV: Telemetry mrq is not supported by BPMP-FW */ struct mrq_telemetry_response { … } BPMP_ABI_PACKED; /** @} Telemetry */ /** @endcond bpmp_th500 */ /** * @ingroup MRQ_Codes * @def MRQ_PWR_LIMIT * @brief Control power limits. * * * Platforms: TH500 onwards * @cond bpmp_th500 * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_pwr_limit_request * * Response Payload: @ref mrq_pwr_limit_response * * @addtogroup Pwrlimit * @{ */ enum mrq_pwr_limit_cmd { … }; /** * @defgroup bpmp_pwr_limit_type PWR_LIMIT TYPEs * @{ */ /** @brief Limit value specifies traget cap */ #define PWR_LIMIT_TYPE_TARGET_CAP … /** @brief Limit value specifies maximum possible target cap */ #define PWR_LIMIT_TYPE_BOUND_MAX … /** @brief Limit value specifies minimum possible target cap */ #define PWR_LIMIT_TYPE_BOUND_MIN … /** @brief Number of limit types supported by mrq interface */ #define PWR_LIMIT_TYPE_NUM … /** @} bpmp_pwr_limit_type */ /** * @brief Request data for #MRQ_PWR_LIMIT command CMD_PWR_LIMIT_QUERY_ABI */ struct cmd_pwr_limit_query_abi_request { … } BPMP_ABI_PACKED; /** * @brief Request data for #MRQ_PWR_LIMIT command CMD_PWR_LIMIT_SET * * Set specified limit of specified type from specified source. The success of * the request means that specified value is accepted as input to arbitration * with other sources settings for the same limit of the same type. Zero limit * is ignored by the arbitration (i.e., indicates "no limit set"). */ struct cmd_pwr_limit_set_request { … } BPMP_ABI_PACKED; /** * @brief Request data for #MRQ_PWR_LIMIT command CMD_PWR_LIMIT_GET * * Get previously set from specified source specified limit value of specified * type. */ struct cmd_pwr_limit_get_request { … } BPMP_ABI_PACKED; /** * @brief Response data for #MRQ_PWR_LIMIT command CMD_PWR_LIMIT_GET */ struct cmd_pwr_limit_get_response { … } BPMP_ABI_PACKED; /** * @brief Request data for #MRQ_PWR_LIMIT command CMD_PWR_LIMIT_CURR_CAP * * For specified limit get current power cap aggregated from all sources. */ struct cmd_pwr_limit_curr_cap_request { … } BPMP_ABI_PACKED; /** * @brief Response data for #MRQ_PWR_LIMIT command CMD_PWR_LIMIT_CURR_CAP */ struct cmd_pwr_limit_curr_cap_response { … } BPMP_ABI_PACKED; /** * @brief Request with #MRQ_PWR_LIMIT * * |sub-command |payload | * |----------------------------|---------------------------------| * |CMD_PWR_LIMIT_QUERY_ABI | cmd_pwr_limit_query_abi_request | * |CMD_PWR_LIMIT_SET | cmd_pwr_limit_set_request | * |CMD_PWR_LIMIT_GET | cmd_pwr_limit_get_request | * |CMD_PWR_LIMIT_CURR_CAP | cmd_pwr_limit_curr_cap_request | */ struct mrq_pwr_limit_request { … } BPMP_ABI_PACKED; /** * @brief Response to MRQ_PWR_LIMIT * * |sub-command |payload | * |----------------------------|---------------------------------| * |CMD_PWR_LIMIT_QUERY_ABI | - | * |CMD_PWR_LIMIT_SET | - | * |CMD_PWR_LIMIT_GET | cmd_pwr_limit_get_response | * |CMD_PWR_LIMIT_CURR_CAP | cmd_pwr_limit_curr_cap_response | */ struct mrq_pwr_limit_response { … } BPMP_ABI_PACKED; /** @} PwrLimit */ /** @endcond bpmp_th500 */ /** * @ingroup MRQ_Codes * @def MRQ_GEARS * @brief Get thresholds for NDIV offset switching * * * Platforms: TH500 onwards * @cond bpmp_th500 * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: N/A * * Response Payload: @ref mrq_gears_response * @addtogroup Gears * @{ */ /** * @brief Response to #MRQ_GEARS * * Used by the sender of an #MRQ_GEARS message to request thresholds * for NDIV offset switching. * * The mrq_gears_response::ncpu array defines four thresholds in units * of number of online CPUS to be used for choosing between five different * NDIV offset settings for CCPLEX cluster NAFLLs * * 1. If number of online CPUs < ncpu[0] use offset0 * 2. If number of online CPUs < ncpu[1] use offset1 * 3. If number of online CPUs < ncpu[2] use offset2 * 4. If number of online CPUs < ncpu[3] use offset3 * 5. If number of online CPUs >= ncpu[3] disable offsetting * * For TH500 mrq_gears_response::ncpu array has four valid entries. * * mrq_response::err is * * 0: gears defined and response data valid * * -#BPMP_ENODEV: MRQ is not supported by BPMP-FW * * -#BPMP_EACCES: Operation not permitted for the MRQ master * * -#BPMP_ENAVAIL: NDIV offsetting is disabled */ struct mrq_gears_response { … } BPMP_ABI_PACKED; /** @} Gears */ /** @endcond bpmp_th500 */ /** * @addtogroup Error_Codes * Negative values for mrq_response::err generally indicate some * error. The ABI defines the following error codes. Negating these * defines is an exercise left to the user. * @{ */ /** @brief Operation not permitted */ #define BPMP_EPERM … /** @brief No such file or directory */ #define BPMP_ENOENT … /** @brief No MRQ handler */ #define BPMP_ENOHANDLER … /** @brief I/O error */ #define BPMP_EIO … /** @brief Bad sub-MRQ command */ #define BPMP_EBADCMD … /** @brief Resource temporarily unavailable */ #define BPMP_EAGAIN … /** @brief Not enough memory */ #define BPMP_ENOMEM … /** @brief Permission denied */ #define BPMP_EACCES … /** @brief Bad address */ #define BPMP_EFAULT … /** @brief Resource busy */ #define BPMP_EBUSY … /** @brief No such device */ #define BPMP_ENODEV … /** @brief Argument is a directory */ #define BPMP_EISDIR … /** @brief Invalid argument */ #define BPMP_EINVAL … /** @brief Timeout during operation */ #define BPMP_ETIMEDOUT … /** @brief Out of range */ #define BPMP_ERANGE … /** @brief Function not implemented */ #define BPMP_ENOSYS … /** @brief Invalid slot */ #define BPMP_EBADSLT … /** @brief Invalid message */ #define BPMP_EBADMSG … /** @brief Operation not supported */ #define BPMP_EOPNOTSUPP … /** @brief Targeted resource not available */ #define BPMP_ENAVAIL … /** @brief Not supported */ #define BPMP_ENOTSUP … /** @brief No such device or address */ #define BPMP_ENXIO … /** @} Error_Codes */ #if defined(BPMP_ABI_CHECKS) #include "bpmp_abi_checks.h" #endif #endif
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