/* SPDX-License-Identifier: GPL-2.0 OR MIT */ /* * Copyright (c) 2014-2025, NVIDIA CORPORATION. All rights reserved. */ #ifndef ABI_BPMP_ABI_H #define ABI_BPMP_ABI_H #if defined(LK) || defined(BPMP_ABI_HAVE_STDC) #include #include #endif #ifndef BPMP_ABI_PACKED #ifdef __ABI_PACKED #define BPMP_ABI_PACKED __ABI_PACKED #else #define BPMP_ABI_PACKED __attribute__((packed)) #endif #endif #ifdef NO_GCC_EXTENSIONS #define BPMP_ABI_EMPTY char empty; #define BPMP_ABI_EMPTY_ARRAY 1 #else #define BPMP_ABI_EMPTY #define BPMP_ABI_EMPTY_ARRAY 0 #endif #ifndef BPMP_UNION_ANON #ifdef __UNION_ANON #define BPMP_UNION_ANON __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 (1U << 0U) /** * @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 (1U << 1U) /** * @ingroup MRQ_Format * * This is set in mrq_request::flags for requests that have CRC present and * correspondingly in mrq_response::flags for responses that have CRC present. */ #define BPMP_MAIL_CRC_PRESENT (1U << 2U) /** * @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 { /** @brief MRQ number of the request */ uint32_t mrq; /** * @brief 32bit word containing a number of fields as follows: * * struct { * uint8_t options:4; * uint8_t xid:4; * uint8_t payload_length; * uint16_t crc16; * }; * * **options** directions to the receiver and indicates CRC presence. * * #BPMP_MAIL_DO_ACK and #BPMP_MAIL_RING_DB see documentation of respective options. * #BPMP_MAIL_CRC_PRESENT is supported on T234 and later platforms. It indicates the * crc16, xid and length fields are present when set. * Some platform configurations, especially when targeted to applications requiring * functional safety, mandate this option being set or otherwise will respond with * -#BPMP_EBADMSG and ignore the request. * * **xid** is a transaction ID. * * Only used when #BPMP_MAIL_CRC_PRESENT is set. * * **payload_length** of the message expressed in bytes without the size of this header. * See tables below for minimum accepted payload lengths for each MRQ. * * Only used when #BPMP_MAIL_CRC_PRESENT is set. * * | MRQ | Sub-command | Minimum payload length * | --------------------- | ------------------------------------ | ------------------------------------------------------- | * | #MRQ_PING | - | 4 | * | #MRQ_THREADED_PING | - | 4 | * | #MRQ_RESET | any | 8 | * | #MRQ_I2C | - | 12 + cmd_i2c_xfer_request.data_size | * | #MRQ_CLK | #CMD_CLK_GET_RATE | 4 | * | #MRQ_CLK | #CMD_CLK_SET_RATE | 16 | * | #MRQ_CLK | #CMD_CLK_ROUND_RATE | 16 | * | #MRQ_CLK | #CMD_CLK_GET_PARENT | 4 | * | #MRQ_CLK | #CMD_CLK_SET_PARENT | 8 | * | #MRQ_CLK | #CMD_CLK_ENABLE | 4 | * | #MRQ_CLK | #CMD_CLK_DISABLE | 4 | * | #MRQ_CLK | #CMD_CLK_IS_ENABLED | 4 | * | #MRQ_CLK | #CMD_CLK_GET_ALL_INFO | 4 | * | #MRQ_CLK | #CMD_CLK_GET_MAX_CLK_ID | 4 | * | #MRQ_CLK | #CMD_CLK_GET_FMAX_AT_VMIN | 4 | * | #MRQ_QUERY_ABI | - | 4 | * | #MRQ_PG | #CMD_PG_QUERY_ABI | 12 | * | #MRQ_PG | #CMD_PG_SET_STATE | 12 | * | #MRQ_PG | #CMD_PG_GET_STATE | 8 | * | #MRQ_PG | #CMD_PG_GET_NAME | 8 | * | #MRQ_PG | #CMD_PG_GET_MAX_ID | 8 | * | #MRQ_THERMAL | #CMD_THERMAL_QUERY_ABI | 8 | * | #MRQ_THERMAL | #CMD_THERMAL_GET_TEMP | 8 | * | #MRQ_THERMAL | #CMD_THERMAL_GET_NUM_ZONES | 4 | * | #MRQ_THERMAL | #CMD_THERMAL_GET_THERMTRIP | 8 | * | #MRQ_ABI_RATCHET | - | 2 | * | #MRQ_EMC_DVFS_LATENCY | - | 8 | * | #MRQ_QUERY_FW_TAG | - | 0 | * | #MRQ_DEBUG | #CMD_DEBUG_OPEN_RO | 4 + length of cmd_debug_fopen_request.name | * | #MRQ_DEBUG | #CMD_DEBUG_OPEN_WO | 4 + length of cmd_debug_fopen_request.name | * | #MRQ_DEBUG | #CMD_DEBUG_READ | 8 | * | #MRQ_DEBUG | #CMD_DEBUG_WRITE | 12 + cmd_debug_fwrite_request.datalen | * | #MRQ_DEBUG | #CMD_DEBUG_CLOSE | 8 | * * @cond (bpmp_t186) * The following additional MRQ is supported on T186 -platform: * * | MRQ | Sub-command | Minimum payload length | * | --------------------- | ------------------------------------- | ------------------------------------- | * | #MRQ_CPU_VHINT | - | 8 | * | #MRQ_THERMAL | #CMD_THERMAL_SET_TRIP | 20 | * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_QUERY_ABI | 8 | * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_READ | 5 | * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_WRITE | 5 + cmd_ringbuf_console_write_req.len | * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_GET_FIFO | 4 | * @endcond * * @cond (bpmp_t194) * The following additional MRQs are supported on T194 -platform: * * | MRQ | Sub-command | Minimum payload length | * | --------------------- | ------------------------------------- | ------------------------------------- | * | #MRQ_CPU_NDIV_LIMITS | - | 4 | * | #MRQ_STRAP | #STRAP_SET | 12 | * | #MRQ_CPU_AUTO_CC3 | - | 4 | * | #MRQ_EC | #CMD_EC_STATUS_EX_GET | 12 | * | #MRQ_FMON | #CMD_FMON_GEAR_CLAMP | 16 | * | #MRQ_FMON | #CMD_FMON_GEAR_FREE | 4 | * | #MRQ_FMON | #CMD_FMON_GEAR_GET | 4 | * | #MRQ_FMON | #CMD_FMON_FAULT_STS_GET | 8 | * | #MRQ_THERMAL | #CMD_THERMAL_SET_TRIP | 20 | * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_QUERY_ABI | 8 | * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_READ | 5 | * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_WRITE | 5 + cmd_ringbuf_console_write_req.len | * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_GET_FIFO | 4 | * | #MRQ_UPHY | #CMD_UPHY_PCIE_LANE_MARGIN_CONTROL | 24 | * | #MRQ_UPHY | #CMD_UPHY_PCIE_LANE_MARGIN_STATUS | 4 | * | #MRQ_UPHY | #CMD_UPHY_PCIE_EP_CONTROLLER_PLL_INIT | 5 | * | #MRQ_UPHY | #CMD_UPHY_PCIE_CONTROLLER_STATE | 6 | * | #MRQ_UPHY | #CMD_UPHY_PCIE_EP_CONTROLLER_PLL_OFF | 5 | * @endcond * * @cond (bpmp_safe && bpmp_t234) * The following additional MRQ is supported on functional-safety * builds for the T234 platform: * * | MRQ | Sub-command | Minimum payload length | * | --------------------- | ------------------------------------- | ------------------------------------- | * | #MRQ_CPU_NDIV_LIMITS | - | 4 | * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_QUERY_ABI | 8 | * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_READ | 5 | * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_WRITE | 5 + cmd_ringbuf_console_write_req.len | * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_GET_FIFO | 4 | * | #MRQ_UPHY | #CMD_UPHY_PCIE_LANE_MARGIN_CONTROL | 24 | * | #MRQ_UPHY | #CMD_UPHY_PCIE_LANE_MARGIN_STATUS | 4 | * | #MRQ_UPHY | #CMD_UPHY_PCIE_EP_CONTROLLER_PLL_INIT | 5 | * | #MRQ_UPHY | #CMD_UPHY_PCIE_CONTROLLER_STATE | 6 | * | #MRQ_UPHY | #CMD_UPHY_PCIE_EP_CONTROLLER_PLL_OFF | 5 | * | #MRQ_FMON | #CMD_FMON_GEAR_CLAMP | 16 | * | #MRQ_FMON | #CMD_FMON_GEAR_FREE | 4 | * | #MRQ_FMON | #CMD_FMON_GEAR_GET | 4 | * | #MRQ_FMON | #CMD_FMON_FAULT_STS_GET | 8 | * | #MRQ_EMC_DVFS_EMCHUB | - | 8 | * | #MRQ_EMC_DISP_RFL | - | 4 | * * @endcond * * @cond (!bpmp_safe && bpmp_t234) * * The following additional MRQs are supported on non-functional-safety * builds for the T234 and T238 -platforms: * * | MRQ | Sub-command | Minimum payload length | * | --------------------- | ------------------------------------- | --------------------------------------------------- | * | #MRQ_CPU_NDIV_LIMITS | - | 4 | * | #MRQ_STRAP | #STRAP_SET | 12 | * | #MRQ_THERMAL | #CMD_THERMAL_SET_TRIP | 20 | * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_QUERY_ABI | 8 | * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_READ | 5 | * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_WRITE | 5 + cmd_ringbuf_console_write_req.len | * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_GET_FIFO | 4 | * | #MRQ_UPHY | #CMD_UPHY_PCIE_LANE_MARGIN_CONTROL | 24 | * | #MRQ_UPHY | #CMD_UPHY_PCIE_LANE_MARGIN_STATUS | 4 | * | #MRQ_UPHY | #CMD_UPHY_PCIE_EP_CONTROLLER_PLL_INIT | 5 | * | #MRQ_UPHY | #CMD_UPHY_PCIE_CONTROLLER_STATE | 6 | * | #MRQ_UPHY | #CMD_UPHY_PCIE_EP_CONTROLLER_PLL_OFF | 5 | * | #MRQ_FMON | #CMD_FMON_GEAR_CLAMP | 16 | * | #MRQ_FMON | #CMD_FMON_GEAR_FREE | 4 | * | #MRQ_FMON | #CMD_FMON_GEAR_GET | 4 | * | #MRQ_FMON | #CMD_FMON_FAULT_STS_GET | 8 | * | #MRQ_EMC_DVFS_EMCHUB | - | 8 | * | #MRQ_EMC_DISP_RFL | - | 4 | * | #MRQ_BWMGR | #CMD_BWMGR_QUERY_ABI | 8 | * | #MRQ_BWMGR | #CMD_BWMGR_CALC_RATE | 8 + 8 * cmd_bwmgr_calc_rate_request.num_iso_clients | * | #MRQ_ISO_CLIENT | #CMD_ISO_CLIENT_QUERY_ABI | 8 | * | #MRQ_ISO_CLIENT | #CMD_ISO_CLIENT_CALCULATE_LA | 16 | * | #MRQ_ISO_CLIENT | #CMD_ISO_CLIENT_SET_LA | 16 | * | #MRQ_ISO_CLIENT | #CMD_ISO_CLIENT_GET_MAX_BW | 8 | * | #MRQ_BWMGR_INT | #CMD_BWMGR_INT_QUERY_ABI | 8 | * | #MRQ_BWMGR_INT | #CMD_BWMGR_INT_CALC_AND_SET | 16 | * | #MRQ_BWMGR_INT | #CMD_BWMGR_INT_CAP_SET | 8 | * | #MRQ_BWMGR_INT | #CMD_BWMGR_INT_GET_LAST_REQUEST | 9 | * | #MRQ_OC_STATUS | - | 0 | * @endcond * * @cond bpmp_t238 * The following additional MRQs are supported on T238 platform: * * | MRQ | Sub-command | Minimum payload length | * | --------------------- | ------------------------------------- | --------------------------------------------------- | * | #MRQ_CPU_NDIV_LIMITS | - | 4 | * | #MRQ_STRAP | #STRAP_SET | 12 | * | #MRQ_THERMAL | #CMD_THERMAL_SET_TRIP | 20 | * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_QUERY_ABI | 8 | * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_READ | 5 | * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_WRITE | 5 + cmd_ringbuf_console_write_req.len | * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_GET_FIFO | 4 | * | #MRQ_UPHY | #CMD_UPHY_PCIE_LANE_MARGIN_CONTROL | 24 | * | #MRQ_UPHY | #CMD_UPHY_PCIE_LANE_MARGIN_STATUS | 4 | * | #MRQ_UPHY | #CMD_UPHY_PCIE_EP_CONTROLLER_PLL_INIT | 5 | * | #MRQ_UPHY | #CMD_UPHY_PCIE_CONTROLLER_STATE | 6 | * | #MRQ_UPHY | #CMD_UPHY_PCIE_EP_CONTROLLER_PLL_OFF | 5 | * | #MRQ_FMON | #CMD_FMON_GEAR_CLAMP | 16 | * | #MRQ_FMON | #CMD_FMON_GEAR_FREE | 4 | * | #MRQ_FMON | #CMD_FMON_GEAR_GET | 4 | * | #MRQ_FMON | #CMD_FMON_FAULT_STS_GET | 8 | * | #MRQ_EMC_DVFS_EMCHUB | - | 8 | * | #MRQ_EMC_DISP_RFL | - | 4 | * | #MRQ_BWMGR | #CMD_BWMGR_QUERY_ABI | 8 | * | #MRQ_BWMGR | #CMD_BWMGR_CALC_RATE | 8 + 8 * cmd_bwmgr_calc_rate_request.num_iso_clients | * | #MRQ_ISO_CLIENT | #CMD_ISO_CLIENT_QUERY_ABI | 8 | * | #MRQ_ISO_CLIENT | #CMD_ISO_CLIENT_CALCULATE_LA | 16 | * | #MRQ_ISO_CLIENT | #CMD_ISO_CLIENT_SET_LA | 16 | * | #MRQ_ISO_CLIENT | #CMD_ISO_CLIENT_GET_MAX_BW | 8 | * | #MRQ_BWMGR_INT | #CMD_BWMGR_INT_QUERY_ABI | 8 | * | #MRQ_BWMGR_INT | #CMD_BWMGR_INT_CALC_AND_SET | 16 | * | #MRQ_BWMGR_INT | #CMD_BWMGR_INT_CAP_SET | 8 | * | #MRQ_BWMGR_INT | #CMD_BWMGR_INT_GET_LAST_REQUEST | 9 | * | #MRQ_OC_STATUS | - | 0 | * | #MRQ_THROTTLE | #CMD_THROTTLE_SET_OC_CONFIG | 5 | * @endcond * * @cond (bpmp_th500) * The following additional MRQs are supported on TH500 -platform: * * | MRQ | Sub-command | Minimum payload length | * | -------------------- | ------------------------------------- | ---------------------- | * | #MRQ_CPU_NDIV_LIMITS | - | 4 | * | #MRQ_THERMAL | #CMD_THERMAL_SET_TRIP | 20 | * | #MRQ_STRAP | #STRAP_SET | 12 | * | #MRQ_SHUTDOWN | - | 4 | * | #MRQ_UPHY | #CMD_UPHY_PCIE_LANE_MARGIN_CONTROL | 24 | * | #MRQ_UPHY | #CMD_UPHY_PCIE_LANE_MARGIN_STATUS | 4 | * | #MRQ_UPHY | #CMD_UPHY_PCIE_EP_CONTROLLER_PLL_INIT | 5 | * | #MRQ_UPHY | #CMD_UPHY_PCIE_CONTROLLER_STATE | 6 | * | #MRQ_UPHY | #CMD_UPHY_PCIE_EP_CONTROLLER_PLL_OFF | 5 | * | #MRQ_UPHY | #CMD_UPHY_PCIE_CONFIG_VDM | 3 | * | #MRQ_TELEMETRY | - | 8 | * | #MRQ_PWR_LIMIT | #CMD_PWR_LIMIT_QUERY_ABI | 8 | * | #MRQ_PWR_LIMIT | #CMD_PWR_LIMIT_SET | 20 | * | #MRQ_PWR_LIMIT | #CMD_PWR_LIMIT_GET | 16 | * | #MRQ_PWR_LIMIT | #CMD_PWR_LIMIT_CURR_CAP | 8 | * | #MRQ_GEARS | - | 0 | * | #MRQ_C2C | #CMD_C2C_QUERY_ABI | 8 | * | #MRQ_C2C | #CMD_C2C_START_INITIALIZATION | 5 | * | #MRQ_C2C | #CMD_C2C_GET_STATUS | 4 | * | #MRQ_C2C | #CMD_C2C_HOTRESET_PREP | 5 | * | #MRQ_C2C | #CMD_C2C_START_HOTRESET | 5 | * | #MRQ_THROTTLE | #CMD_THROTTLE_QUERY_ABI | 4 | * | #MRQ_THROTTLE | #CMD_THROTTLE_GET_CHIPTHROT_STATUS | 4 | * | #MRQ_PWRMODEL | #CMD_PWRMODEL_QUERY_ABI | 8 | * | #MRQ_PWRMODEL | #CMD_PWRMODEL_PWR_GET | 16 | * | #MRQ_PWR_CNTRL | #CMD_PWR_CNTRL_QUERY_ABI | 8 | * | #MRQ_PWR_CNTRL | #CMD_PWR_CNTRL_BYPASS_SET | 12 | * | #MRQ_PWR_CNTRL | #CMD_PWR_CNTRL_BYPASS_GET | 8 | * @endcond * * @cond (bpmp_tb500) * The following additional MRQs are supported on TB500 -platform: * * | MRQ | Sub-command | Minimum payload length | * | -------------------- | ---------------------------------------- | ---------------------- | * | #MRQ_PWR_LIMIT | #CMD_PWR_LIMIT_QUERY_ABI | 8 | * | #MRQ_PWR_LIMIT | #CMD_PWR_LIMIT_SET | 20 | * | #MRQ_PWR_LIMIT | #CMD_PWR_LIMIT_GET | 16 | * | #MRQ_PWR_LIMIT | #CMD_PWR_LIMIT_CURR_CAP | 8 | * | #MRQ_TELEMETRY_EX | #CMD_TELEMETRY_EX_QUERY_ABI | 8 | * | #MRQ_TELEMETRY_EX | #CMD_TELEMETRY_EX_BASE_SZ_GET | 12 | * | #MRQ_THROTTLE | #CMD_THROTTLE_GET_CHIPTHROT_STATUS | 4 | * | #MRQ_C2C | #CMD_C2C_QUERY_ABI | 8 | * | #MRQ_C2C | #CMD_C2C_START_INITIALIZATION | 5 | * | #MRQ_C2C | #CMD_C2C_GET_STATUS | 4 | * | #MRQ_C2C | #CMD_C2C_HOTRESET_PREP | 5 | * | #MRQ_C2C | #CMD_C2C_START_HOTRESET | 5 | * | MRQ_HWPM | CMD_HWPM_QUERY_ABI | 4 | * | MRQ_HWPM | CMD_HWPM_IPMU_SET_TRIGGERS | 120 | * | MRQ_HWPM | CMD_HWPM_IPMU_SET_PAYLOADS_SHIFTS | 120 | * | MRQ_HWPM | CMD_HWPM_IPMU_GET_MAX_PAYLOADS | 0 | * | MRQ_HWPM | CMD_HWPM_NVTHERM_SET_SAMPLE_RATE | 4 | * | MRQ_HWPM | CMD_HWPM_NVTHERM_SET_BUBBLE_INTERVAL | 4 | * | MRQ_HWPM | CMD_HWPM_NVTHERM_SET_FLEX_CHANNELS | 120 | * | MRQ_HWPM | CMD_HWPM_ISENSE_GET_SENSOR_NAME | 4 | * | MRQ_HWPM | CMD_HWPM_ISENSE_GET_SENSOR_CHANNEL | 4 | * | MRQ_HWPM | CMD_HWPM_ISENSE_GET_SENSOR_SCALE_FACTOR | 4 | * | MRQ_HWPM | CMD_HWPM_ISENSE_GET_SENSOR_OFFSET | 4 | * | MRQ_HWPM | CMD_HWPM_ISENSE_GET_SUM_BLOCK_NAME | 4 | * | MRQ_HWPM | CMD_HWPM_ISENSE_GET_SUM_BLOCK_INPUTS | 4 | * | MRQ_DVFS | CMD_DVFS_QUERY_ABI | 4 | * | MRQ_DVFS | CMD_DVFS_SET_CTRL_STATE | 8 | * | MRQ_DVFS | CMD_DVFS_SET_MGR_STATE | 8 | * | MRQ_PPP_PROFILE | CMD_PPP_PROFILE_QUERY_ABI | 8 | * | MRQ_PPP_PROFILE | CMD_PPP_PROFILE_QUERY_MASKS | 8 | * | MRQ_PPP_PROFILE | CMD_PPP_CORE_QUERY_CPU_MASK | 8 | * | MRQ_PPP_PROFILE | CMD_PPP_AVAILABLE_QUERY | 4 | * @endcond * * @cond (bpmp_safe && bpmp_t264) * The following additional MRQ is supported on functional-safety * builds for the T264 platform: * * | MRQ | Sub-command | Minimum payload length | * | -------------------- | --------------------------------- | ---------------------- | * | #MRQ_CPU_NDIV_LIMITS | - | 4 | * | #MRQ_STRAP | #STRAP_SET | 12 | * | #MRQ_SHUTDOWN | - | 4 | * | #MRQ_FMON | #CMD_FMON_GEAR_CLAMP | 16 | * | #MRQ_FMON | #CMD_FMON_GEAR_FREE | 4 | * | #MRQ_FMON | #CMD_FMON_GEAR_GET | 4 | * | #MRQ_FMON | #CMD_FMON_FAULT_STS_GET | 8 | * | #MRQ_PCIE | #CMD_PCIE_EP_CONTROLLER_INIT | 5 | * | #MRQ_PCIE | #CMD_PCIE_EP_CONTROLLER_OFF | 5 | * | #MRQ_CR7 | #CMD_CR7_ENTRY | 12 | * | #MRQ_CR7 | #CMD_CR7_EXIT | 12 | * | #MRQ_SLC | #CMD_SLC_QUERY_ABI | 8 | * | #MRQ_SLC | #CMD_SLC_BYPASS_SET | 8 | * | #MRQ_SLC | #CMD_SLC_BYPASS_GET | 4 | * @endcond * * @cond (!bpmp_safe && bpmp_t264) * The following additional MRQs are supported on non-functional-safety * builds for the T264 -platform: * * | MRQ | Sub-command | Minimum payload length | * | -------------------- | --------------------------------- | ---------------------- | * | #MRQ_CPU_NDIV_LIMITS | - | 4 | * | #MRQ_STRAP | #STRAP_SET | 12 | * | #MRQ_SHUTDOWN | - | 4 | * | #MRQ_FMON | #CMD_FMON_GEAR_CLAMP | 16 | * | #MRQ_FMON | #CMD_FMON_GEAR_FREE | 4 | * | #MRQ_FMON | #CMD_FMON_GEAR_GET | 4 | * | #MRQ_FMON | #CMD_FMON_FAULT_STS_GET | 8 | * | #MRQ_OC_STATUS | - | 0 | * | #MRQ_PCIE | #CMD_PCIE_EP_CONTROLLER_INIT | 5 | * | #MRQ_PCIE | #CMD_PCIE_EP_CONTROLLER_OFF | 5 | * | #MRQ_PCIE | #CMD_PCIE_RP_CONTROLLER_OFF | 5 | * | #MRQ_CR7 | #CMD_CR7_ENTRY | 12 | * | #MRQ_CR7 | #CMD_CR7_EXIT | 12 | * | #MRQ_SLC | #CMD_SLC_QUERY_ABI | 8 | * | #MRQ_SLC | #CMD_SLC_BYPASS_SET | 8 | * | #MRQ_SLC | #CMD_SLC_BYPASS_GET | 4 | * | #MRQ_ISO_CLIENT | #CMD_ISO_CLIENT_QUERY_ABI | 8 | * | #MRQ_ISO_CLIENT | #CMD_ISO_CLIENT_CALCULATE_LA | 16 | * | #MRQ_ISO_CLIENT | #CMD_ISO_CLIENT_SET_LA | 16 | * | #MRQ_ISO_CLIENT | #CMD_ISO_CLIENT_GET_MAX_BW | 8 | * | #MRQ_BWMGR_INT | #CMD_BWMGR_INT_QUERY_ABI | 8 | * | #MRQ_BWMGR_INT | #CMD_BWMGR_INT_CALC_AND_SET | 16 | * | #MRQ_BWMGR_INT | #CMD_BWMGR_INT_CAP_SET | 8 | * | #MRQ_BWMGR_INT | #CMD_BWMGR_INT_CURR_AVAILABLE_BW | 8 | * | #MRQ_BWMGR_INT | #CMD_BWMGR_INT_GET_LAST_REQUEST | 9 | * @endcond * * **crc16** * * CRC16 using polynomial x^16 + x^14 + x^12 + x^11 + x^8 + x^5 + x^4 + x^2 + 1 * and initialization value 0x4657. The CRC is calculated over all bytes of the message * including this header. However the crc16 field is considered to be set to 0 when * calculating the CRC. Only used when #BPMP_MAIL_CRC_PRESENT is set. If * #BPMP_MAIL_CRC_PRESENT is set and this field does not match the CRC as * calculated by BPMP, -#BPMP_EBADMSG will be returned and the request will * be ignored. See code snippet below on how to calculate the CRC. * * @code * uint16_t calc_crc_digest(uint16_t crc, uint8_t *data, size_t size) * { * for (size_t i = 0; i < size; i++) { * crc ^= data[i] << 8; * for (size_t j = 0; j < 8; j++) { * if ((crc & 0x8000) == 0x8000) { * crc = (crc << 1) ^ 0xAC9A; * } else { * crc = (crc << 1); * } * } * } * return crc; * } * * uint16_t calc_crc(uint8_t *data, size_t size) * { * return calc_crc_digest(0x4657, data, size); * } * @endcode */ uint32_t flags; } 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 { /** @brief Error code for the MRQ request itself */ int32_t err; /** * @brief 32bit word containing a number of fields as follows: * * struct { * uint8_t options:4; * uint8_t xid:4; * uint8_t payload_length; * uint16_t crc16; * }; * * **options** indicates CRC presence. * * #BPMP_MAIL_CRC_PRESENT is supported on T234 and later platforms and * indicates the crc16 related fields are present when set. * * **xid** is the transaction ID as sent by the requestor. * * **length** of the message expressed in bytes without the size of this header. * Note: For DMCE communication, this field expresses the length as a multiple of 4 bytes * rather than bytes. * * **crc16** * * CRC16 using polynomial x^16 + x^14 + x^12 + x^11 + x^8 + x^5 + x^4 + x^2 + 1 * and initialization value 0x4657. The CRC is calculated over all bytes of the message * including this header. However the crc16 field is considered to be set to 0 when * calculating the CRC. Only used when #BPMP_MAIL_CRC_PRESENT is set. */ uint32_t flags; } BPMP_ABI_PACKED; /** * @ingroup MRQ_Format * Minimum needed size for an IPC message buffer */ #define MSG_MIN_SZ 128U /** * @ingroup MRQ_Format * Minimum size guaranteed for data in an IPC message buffer */ #define MSG_DATA_MIN_SZ 120U /** * @ingroup MRQ_Codes * @name Legal MRQ codes * These are the legal values for mrq_request::mrq * @{ */ #define MRQ_PING 0U #define MRQ_QUERY_TAG 1U #define MRQ_THREADED_PING 9U #define MRQ_DEBUGFS 19U #define MRQ_RESET 20U #define MRQ_I2C 21U #define MRQ_CLK 22U #define MRQ_QUERY_ABI 23U #define MRQ_THERMAL 27U #define MRQ_CPU_VHINT 28U #define MRQ_ABI_RATCHET 29U #define MRQ_EMC_DVFS_LATENCY 31U //adoc: tag::bpmp_dmce_mrq_shutdown[] #define MRQ_SHUTDOWN 49U //adoc: end::bpmp_dmce_mrq_shutdown[] #define MRQ_RINGBUF_CONSOLE 65U #define MRQ_PG 66U #define MRQ_CPU_NDIV_LIMITS 67U #define MRQ_STRAP 68U #define MRQ_UPHY 69U #define MRQ_CPU_AUTO_CC3 70U #define MRQ_QUERY_FW_TAG 71U #define MRQ_FMON 72U #define MRQ_EC 73U #define MRQ_DEBUG 75U #define MRQ_EMC_DVFS_EMCHUB 76U #define MRQ_BWMGR 77U #define MRQ_ISO_CLIENT 78U #define MRQ_EMC_DISP_RFL 79U #define MRQ_TELEMETRY 80U #define MRQ_PWR_LIMIT 81U #define MRQ_GEARS 82U #define MRQ_BWMGR_INT 83U #define MRQ_OC_STATUS 84U #define MRQ_C2C 85U #define MRQ_THROTTLE 86U #define MRQ_PWRMODEL 87U #define MRQ_PCIE 88U #define MRQ_PWR_CNTRL 89U #define MRQ_CR7 90U #define MRQ_SLC 91U #define MRQ_TELEMETRY_EX 92U #define MRQ_HWPM 93U #define MRQ_DVFS 94U #define MRQ_PPP_PROFILE 95U /** * @brief Maximum MRQ code to be sent by CPU software to * BPMP. Subject to change in future */ #define MAX_CPU_MRQ_ID 95U /** @} */ /** * @addtogroup MRQ_Payloads * @{ * @defgroup Ping Ping * @defgroup Query_Tag Query Tag * @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 Throttle Throttle * @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 Shutdown Shutdown * @defgroup BWMGR_INT Bandwidth Manager Integrated * @defgroup C2C C2C * @defgroup Pwrmodel Power Model * @defgroup Pwrcntrl Power Controllers * @cond bpmp_t264 * * @defgroup PCIE PCIE * * @defgroup CR7 CR7 * * @defgroup Slc Slc * @endcond * @cond bpmp_tb500 * * @defgroup Telemetry_ex Telemetry Expanded * * @defgroup HWPM Hardware Performance Monitoring * * @defgroup DVFS Dynamic Voltage and Frequency Scaling * * @defgroup PPP power/performance profiles * @endcond * @} MRQ_Payloads */ /** * @ingroup MRQ_Codes * @def MRQ_PING * @brief A simple ping * * * 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 * * * 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 the * mrq_ping_request::challenge -value. */ struct mrq_ping_request { /** @brief Arbitrarily chosen value */ uint32_t challenge; } 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 { /** @brief Response to the MRQ_PING challege */ uint32_t reply; } 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. * * @details * * 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 { /** @brief Base address to store the firmware tag */ uint32_t addr; } BPMP_ABI_PACKED; /** * @ingroup MRQ_Codes * @def MRQ_QUERY_FW_TAG * @brief Query BPMP firmware's tag (i.e. unique identifier) * * * 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 { /** @brief Array to store tag information */ uint8_t tag[32]; } BPMP_ABI_PACKED; /** @private */ struct mrq_threaded_ping_request { uint32_t challenge; } BPMP_ABI_PACKED; /** @private */ struct mrq_threaded_ping_response { uint32_t reply; } BPMP_ABI_PACKED; /** * @ingroup MRQ_Codes * @def MRQ_DEBUGFS * @brief Interact with BPMP's debugfs file nodes * * @deprecated Use #MRQ_DEBUG instead. * * * 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 { /** @brief Perform read */ CMD_DEBUGFS_READ = 1, /** @brief Perform write */ CMD_DEBUGFS_WRITE = 2, /** @brief Perform dumping directory */ CMD_DEBUGFS_DUMPDIR = 3, /** @brief Not a command */ CMD_DEBUGFS_MAX }; /** * @ingroup Debugfs * @brief Parameters for CMD_DEBUGFS_READ/WRITE command */ struct cmd_debugfs_fileop_request { /** @brief Physical address pointing at filename */ uint32_t fnameaddr; /** @brief Length in bytes of filename buffer */ uint32_t fnamelen; /** @brief Physical address pointing to data buffer */ uint32_t dataaddr; /** @brief Length in bytes of data buffer */ uint32_t datalen; } BPMP_ABI_PACKED; /** * @ingroup Debugfs * @brief Parameters for CMD_DEBUGFS_READ/WRITE command */ struct cmd_debugfs_dumpdir_request { /** @brief Physical address pointing to data buffer */ uint32_t dataaddr; /** @brief Length in bytes of data buffer */ uint32_t datalen; } BPMP_ABI_PACKED; /** * @ingroup Debugfs * @brief Response data for CMD_DEBUGFS_READ/WRITE command */ struct cmd_debugfs_fileop_response { /** @brief Always 0 */ uint32_t reserved; /** @brief Number of bytes read from or written to data buffer */ uint32_t nbytes; } BPMP_ABI_PACKED; /** * @ingroup Debugfs * @brief Response data for CMD_DEBUGFS_DUMPDIR command */ struct cmd_debugfs_dumpdir_response { /** @brief Always 0 */ uint32_t reserved; /** @brief Number of bytes read from or written to data buffer */ uint32_t nbytes; } 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_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 { /** @brief Sub-command (@ref mrq_debugfs_commands) */ uint32_t cmd; union { struct cmd_debugfs_fileop_request fop; struct cmd_debugfs_dumpdir_request dumpdir; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** * @ingroup Debugfs */ struct mrq_debugfs_response { /** @brief Always 0 */ int32_t reserved; union { /** @brief Response data for CMD_DEBUGFS_READ OR * CMD_DEBUGFS_WRITE command */ struct cmd_debugfs_fileop_response fop; /** @brief Response data for CMD_DEBUGFS_DUMPDIR command */ struct cmd_debugfs_dumpdir_response dumpdir; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** * @addtogroup Debugfs * @{ */ #define DEBUGFS_S_ISDIR (1 << 9) #define DEBUGFS_S_IRUSR (1 << 8) #define DEBUGFS_S_IWUSR (1 << 7) /** @} Debugfs */ /** * @ingroup MRQ_Codes * @def MRQ_DEBUG * @brief Interact with BPMP-FW debugfs file nodes. Use message payload * for exchanging data. This is functionally equivalent to * the deprecated 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. * * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_debug_request * * Response Payload: @ref mrq_debug_response */ /** @ingroup Debugfs */ enum mrq_debug_commands { /** * @brief Open file represented by the path in * cmd_debug_fopen_request::name for read operation */ CMD_DEBUG_OPEN_RO = 0, /** * @brief Open file represented by the path in * cmd_debug_fopen_request::name for write operation */ CMD_DEBUG_OPEN_WO = 1, /** * @brief Perform read on a previously opened file handle represented * by the cmd_debug_fread_request::fd -value. */ CMD_DEBUG_READ = 2, /** * @brief Perform write on a previously opened file handle represented * by the cmd_debug_fwrite_request::fd -value. */ CMD_DEBUG_WRITE = 3, /** * @brief Close previously opened file handle. */ CMD_DEBUG_CLOSE = 4, /** * @brief Not a command, represents maximum number of supported * sub-commands */ CMD_DEBUG_MAX }; /** * @ingroup Debugfs * @brief Maximum number of files that can be open at a given time */ #define DEBUG_MAX_OPEN_FILES 1 /** * @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 (MSG_DATA_MIN_SZ - 4) /** * @ingroup Debugfs * @brief Parameters for #CMD_DEBUG_OPEN_RO and #CMD_DEBUG_OPEN_WO -commands */ struct cmd_debug_fopen_request { /** * @brief File name - Null-terminated string with maximum * length including the terminator defined by the * #DEBUG_FNAME_MAX_SZ -preprocessor constant. */ char name[DEBUG_FNAME_MAX_SZ]; } BPMP_ABI_PACKED; /** * @ingroup Debugfs * @brief Response data for #CMD_DEBUG_OPEN_RO and #CMD_DEBUG_OPEN_WO commands */ struct cmd_debug_fopen_response { /** @brief Identifier for file access */ uint32_t fd; /** @brief Data length. File data size for READ command. * Maximum allowed length for WRITE command */ uint32_t datalen; } BPMP_ABI_PACKED; /** * @ingroup Debugfs * @brief Parameters for #CMD_DEBUG_READ command */ struct cmd_debug_fread_request { /** * @brief File access identifier received in response * to #CMD_DEBUG_OPEN_RO request */ uint32_t fd; } 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 (MSG_DATA_MIN_SZ - 4) /** * @ingroup Debugfs * @brief Response data for #CMD_DEBUG_READ command */ struct cmd_debug_fread_response { /** @brief Size of data provided in this response in bytes */ uint32_t readlen; /** @brief File data from seek position */ char data[DEBUG_READ_MAX_SZ]; } 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 (MSG_DATA_MIN_SZ - 12) /** * @ingroup Debugfs * @brief Parameters for #CMD_DEBUG_WRITE command */ struct cmd_debug_fwrite_request { /** @brief File access identifier received in response * to prior #CMD_DEBUG_OPEN_RO -request */ uint32_t fd; /** @brief Size of write data in bytes */ uint32_t datalen; /** @brief Data to be written */ char data[DEBUG_WRITE_MAX_SZ]; } BPMP_ABI_PACKED; /** * @ingroup Debugfs * @brief Parameters for #CMD_DEBUG_CLOSE command */ struct cmd_debug_fclose_request { /** * @brief File access identifier received in prior response * to #CMD_DEBUG_OPEN_RO or #CMD_DEBUG_OPEN_WO -request. */ uint32_t fd; } BPMP_ABI_PACKED; /** * @ingroup Debugfs * @brief Request with #MRQ_DEBUG. * * The sender of an #MRQ_DEBUG message uses mrq_debug_request::cmd to specify * which debugfs sub-command to execute. Legal sub-commands are the values * specified in the @ref mrq_debug_commands -enumeration. Each sub-command * requires a specific additional payload of data according to the following * table: * * |Sub-command |Payload structure | * |--------------------|---------------------------| * |#CMD_DEBUG_OPEN_RO |cmd_debug_fopen_request | * |#CMD_DEBUG_OPEN_WO |cmd_debug_fopen_request | * |#CMD_DEBUG_READ |cmd_debug_fread_request | * |#CMD_DEBUG_WRITE |cmd_debug_fwrite_request | * |#CMD_DEBUG_CLOSE |cmd_debug_fclose_request | */ struct mrq_debug_request { /** @brief Sub-command identifier from @ref mrq_debug_commands */ uint32_t cmd; union { /** * @brief Request payload for #CMD_DEBUG_OPEN_RO and * #CMD_DEBUG_OPEN_WO sub-commands */ struct cmd_debug_fopen_request fop; /** @brief Request payload for #CMD_DEBUG_READ sub-command */ struct cmd_debug_fread_request frd; /** @brief Request payload for #CMD_DEBUG_WRITE sub-command */ struct cmd_debug_fwrite_request fwr; /** @brief Request payload for #CMD_DEBUG_CLOSE sub-command */ struct cmd_debug_fclose_request fcl; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** * @ingroup Debugfs */ struct mrq_debug_response { union { /** * @brief Response data for the #CMD_DEBUG_OPEN_RO and * #CMD_DEBUG_OPEN_WO sub-commands */ struct cmd_debug_fopen_response fop; /** @brief Response data for the #CMD_DEBUG_READ sub-command */ struct cmd_debug_fread_response frd; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** * @ingroup MRQ_Codes * @def MRQ_RESET * @brief Reset an IP block * * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_reset_request * * Response Payload: @ref mrq_reset_response * * @addtogroup Reset * @{ */ /** * @brief Sub-command identifiers for #MRQ_RESET */ enum mrq_reset_commands { /** * @brief Assert module reset * * mrq_response::err is * * 0 if the operation was successful * * -#BPMP_EINVAL if mrq_reset_request::reset_id is invalid * * -#BPMP_EACCES if mrq master is not an owner of target domain reset * * -#BPMP_ENOTSUP if target domain h/w state does not allow reset */ CMD_RESET_ASSERT = 1, /** * @brief Deassert module reset * * mrq_response::err is * * 0 if the operation was successful * * -#BPMP_EINVAL if mrq_reset_request::reset_id is invalid * * -#BPMP_EACCES if mrq master is not an owner of target domain reset * * -#BPMP_ENOTSUP if target domain h/w state does not allow reset */ CMD_RESET_DEASSERT = 2, /** * @brief Assert and deassert the module reset * * mrq_response::err is * * 0 if the operation was successful * * -#BPMP_EINVAL if mrq_reset_request::reset_id is invalid * * -#BPMP_EACCES if mrq master is not an owner of target domain reset * * -#BPMP_ENOTSUP if target domain h/w state does not allow reset */ CMD_RESET_MODULE = 3, /** * @brief Get the highest reset ID * * mrq_response::err is * * 0 if the operation was successful * * -#BPMP_ENODEV if no reset domains are supported (number of IDs is 0) */ CMD_RESET_GET_MAX_ID = 4, /** @brief Not part of ABI and subject to change */ CMD_RESET_MAX, }; /** * @brief Request with #MRQ_RESET * * Used by the sender of an #MRQ_RESET message to request BPMP to * assert or deassert a given reset line. */ struct mrq_reset_request { /** @brief Reset action to perform, from @ref mrq_reset_commands */ uint32_t cmd; /** @brief ID of the reset to affected, from @ref bpmp_reset_ids */ uint32_t reset_id; } 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 { /** @brief Max reset id */ uint32_t max_id; } 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 { union { struct cmd_reset_get_max_id_response reset_get_max_id; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** @} Reset */ /** * @ingroup MRQ_Codes * @def MRQ_I2C * @brief Issue an i2c transaction * * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_i2c_request * * Response Payload: @ref mrq_i2c_response * * @addtogroup I2C * @{ */ /** * @brief Size of the cmd_i2c_xfer_request::data_buf -member array in bytes. */ #define TEGRA_I2C_IPC_MAX_IN_BUF_SIZE (MSG_DATA_MIN_SZ - 12U) /** * @brief Size of the cmd_i2c_xfer_response::data_buf -member array in bytes. */ #define TEGRA_I2C_IPC_MAX_OUT_BUF_SIZE (MSG_DATA_MIN_SZ - 4U) /** * @defgroup seriali2c_flags I2C flags * * @brief I2C transaction modifier flags for each transaction segment * in #MRQ_I2C subcommand CMD_I2C_XFER */ /** * @addtogroup seriali2c_flags * @{ */ /** @brief when set, use 10-bit I2C slave address */ #define SERIALI2C_TEN 0x0010U /** @brief when set, perform a Read transaction */ #define SERIALI2C_RD 0x0001U /** * @brief when set, no repeated START is issued between the segments * of transaction. This flag is ignored for the first segment as any * transaction always starts with a START condition */ #define SERIALI2C_NOSTART 0x4000U /** * @brief when set, a no-ACK from slave device is ignored and treated * always as success */ #define SERIALI2C_IGNORE_NAK 0x1000U /** @} seriali2c_flags */ /** brief Unused flag. Retained for backwards compatibility. */ #define SERIALI2C_STOP 0x8000U /** brief Unused flag. Retained for backwards compatibility. */ #define SERIALI2C_REV_DIR_ADDR 0x2000U /** brief Unused flag. Retained for backwards compatibility. */ #define SERIALI2C_NO_RD_ACK 0x0800U /** brief Unused flag. Retained for backwards compatibility. */ #define SERIALI2C_RECV_LEN 0x0400U /** * @brief Supported I2C sub-command identifiers */ enum mrq_i2c_commands { /** @brief Perform an I2C transaction */ CMD_I2C_XFER = 1 }; /** * @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 { /** @brief I2C slave address */ uint16_t addr; /** @brief Bitmask of @ref seriali2c_flags */ uint16_t flags; /** @brief Length of I2C transaction in bytes */ uint16_t len; /** @brief For write transactions only, #len bytes of data */ uint8_t data[]; } BPMP_ABI_PACKED; /** * @brief Trigger one or more i2c transactions */ struct cmd_i2c_xfer_request { /** * @brief Tegra PWR_I2C bus identifier * * @cond (bpmp_t186 || bpmp_t194 || bpmp_t234 || bpmp_t238 || bpmp_t264) * Must be set to 5. * @endcond * * @cond (bpmp_th500) * Must be set to 1. * @endcond */ uint32_t bus_id; /** @brief Count of valid bytes in #data_buf*/ uint32_t data_size; /** @brief Serialized packed instances of @ref serial_i2c_request*/ uint8_t data_buf[TEGRA_I2C_IPC_MAX_IN_BUF_SIZE]; } 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 { /** @brief Count of valid bytes in #data_buf*/ uint32_t data_size; /** @brief I2C read data */ uint8_t data_buf[TEGRA_I2C_IPC_MAX_OUT_BUF_SIZE]; } BPMP_ABI_PACKED; /** * @brief Request with #MRQ_I2C */ struct mrq_i2c_request { /** @brief Always CMD_I2C_XFER (i.e. 1) */ uint32_t cmd; /** @brief Parameters of the transfer request */ struct cmd_i2c_xfer_request xfer; } BPMP_ABI_PACKED; /** * @brief Response to #MRQ_I2C * * mrq_response::err value for this response is defined as: * * | Value | Description | * |--------------------|---------------------------------------------------------------------| * | 0 | Success | * | -#BPMP_EBADCMD | mrq_i2c_request::cmd is other than 1 | * | -#BPMP_EINVAL | cmd_i2c_xfer_request does not contain correctly formatted request | * | -#BPMP_ENODEV | cmd_i2c_xfer_request::bus_id is not supported by BPMP | * | -#BPMP_EACCES | I2C transaction is not allowed due to firewall rules | * | -#BPMP_ETIMEDOUT | I2C transaction times out | * | -#BPMP_ENXIO | I2C slave device does not reply with ACK to the transaction | * | -#BPMP_EAGAIN | 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 { struct cmd_i2c_xfer_response xfer; } BPMP_ABI_PACKED; /** @} I2C */ /** * @ingroup MRQ_Codes * @def MRQ_CLK * @brief Perform a clock operation * * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_clk_request * * Response Payload: @ref mrq_clk_response * * @addtogroup Clocks * @{ */ /** * @brief Sub-command identifiers for #MRQ_CLK */ enum mrq_clk_commands { /** Get clock rate */ CMD_CLK_GET_RATE = 1, /** Set clock rate */ CMD_CLK_SET_RATE = 2, /** Get attainable clock rate closer to a given rate */ CMD_CLK_ROUND_RATE = 3, /** Get parent clock identifier for a given clock */ CMD_CLK_GET_PARENT = 4, /** Change clock parent */ CMD_CLK_SET_PARENT = 5, /** Get clock enable status */ CMD_CLK_IS_ENABLED = 6, /** Enable a clock */ CMD_CLK_ENABLE = 7, /** Disable a clock */ CMD_CLK_DISABLE = 8, /** Get all information about a clock */ CMD_CLK_GET_ALL_INFO = 14, /** Get largest supported clock identifier */ CMD_CLK_GET_MAX_CLK_ID = 15, /** Get clock maximum rate at VMIN */ CMD_CLK_GET_FMAX_AT_VMIN = 16, /** Largest supported #MRQ_CLK sub-command identifier + 1 */ CMD_CLK_MAX, }; /** * Flag bit set in cmd_clk_get_all_info_response::flags -field when clock * supports changing of the parent clock at runtime. */ #define BPMP_CLK_HAS_MUX (1U << 0U) /** * Flag bit set in cmd_clk_get_all_info_response::flags -field when clock * supports changing the clock rate at runtime. */ #define BPMP_CLK_HAS_SET_RATE (1U << 1U) /** * Flag bit set in cmd_clk_get_all_info_response::flags -field when clock is a * root clock without visible parents. */ #define BPMP_CLK_IS_ROOT (1U << 2U) #define BPMP_CLK_IS_VAR_ROOT (1U << 3U) /** * @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 (1U << 30) /** * @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 (1U << 31) /** * Size of the cmd_clk_get_all_info_response::name -array in number * of elements. */ #define MRQ_CLK_NAME_MAXLEN 40U /** * @brief Maximum number of elements in parent_id arrays of clock info responses. */ #define MRQ_CLK_MAX_PARENTS 16U /** * @brief Request payload for #MRQ_CLK sub-command #CMD_CLK_GET_RATE * * This structure is an empty placeholder for future expansion of this * sub-command. */ struct cmd_clk_get_rate_request { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; /** * @brief Response payload for #MRQ_CLK sub-command #CMD_CLK_GET_RATE */ struct cmd_clk_get_rate_response { /** * Current rate of the given clock in Hz if mrq_response::err is 0 to * indicate successful #CMD_CLK_GET_RATE -request. */ int64_t rate; } BPMP_ABI_PACKED; /** * @brief Request payload for #MRQ_CLK sub-command #CMD_CLK_SET_RATE */ struct cmd_clk_set_rate_request { /** Unused / reserved field. */ int32_t unused; /** Requested rate of the clock in Hz. */ int64_t rate; } BPMP_ABI_PACKED; /** * @brief Response payload for #MRQ_CLK sub-command #CMD_CLK_SET_RATE */ struct cmd_clk_set_rate_response { /** * If request was successful (mrq_response::err is 0), set to the new * rate of the given clock in Hz. */ int64_t rate; } BPMP_ABI_PACKED; /** * @brief Request payload for #MRQ_CLK sub-command #CMD_CLK_ROUND_RATE */ struct cmd_clk_round_rate_request { /** Unused / reserved field. */ int32_t unused; /** Target rate for the clock */ int64_t rate; } BPMP_ABI_PACKED; /** * @brief Response payload for #MRQ_CLK sub-command #CMD_CLK_ROUND_RATE */ struct cmd_clk_round_rate_response { /** * The attainable rate if request was successful * (mrq_response::err is 0). */ int64_t rate; } BPMP_ABI_PACKED; /** * @brief Request payload for #MRQ_CLK sub-command #CMD_CLK_GET_PARENT * * This structure is an empty placeholder for future expansion of this * sub-command. */ struct cmd_clk_get_parent_request { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; /** * @brief Response payload for #MRQ_CLK sub-command #CMD_CLK_GET_PARENT */ struct cmd_clk_get_parent_response { /** * The clock identifier of the parent clock if request was successful * (mrq_response::err is 0). */ uint32_t parent_id; } BPMP_ABI_PACKED; /** * @brief Request payload for #MRQ_CLK sub-command #CMD_CLK_SET_PARENT */ struct cmd_clk_set_parent_request { /** * The clock identifier of the new parent clock. */ uint32_t parent_id; } BPMP_ABI_PACKED; /** * @brief Response payload for #MRQ_CLK sub-command #CMD_CLK_SET_PARENT */ struct cmd_clk_set_parent_response { /** * The clock identifier of the new parent clock if request was * successful (mrq_response::err is 0). */ uint32_t parent_id; } BPMP_ABI_PACKED; /** * @brief Request payload for #CMD_CLK_IS_ENABLED -sub-command * * This structure is an empty placeholder for future expansion of this * sub-command. */ struct cmd_clk_is_enabled_request { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; /** * @brief Response payload for #MRQ_CLK sub-command #CMD_CLK_IS_ENABLED */ struct cmd_clk_is_enabled_response { /** * @brief The state of the clock that has been successfully * requested with #CMD_CLK_ENABLE or #CMD_CLK_DISABLE by the * master invoking the command earlier. * * The state may not reflect the physical state of the clock * if there are some other masters requesting it to be * enabled. Valid values: * * * Value 0: The clock is disabled, * * Value 1: The clock is enabled. */ int32_t state; } BPMP_ABI_PACKED; /** * @brief Request payload for #MRQ_CLK sub-command #CMD_CLK_ENABLE * * This structure is an empty placeholder for future expansion of this * sub-command. */ struct cmd_clk_enable_request { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; /** * @brief Response payload for #MRQ_CLK sub-command #CMD_CLK_ENABLE * * This structure is an empty placeholder for future expansion of this * sub-command. */ struct cmd_clk_enable_response { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; /** * @brief Request payload for #MRQ_CLK sub-command #CMD_CLK_DISABLE * * This structure is an empty placeholder for future expansion of this * sub-command. */ struct cmd_clk_disable_request { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; /** * @brief Response payload for #MRQ_CLK sub-command #CMD_CLK_DISABLE * * This structure is an empty placeholder for future expansion of this * sub-command. */ struct cmd_clk_disable_response { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; /** * @brief Request payload for #MRQ_CLK sub-command #CMD_CLK_GET_ALL_INFO * * This structure is an empty placeholder for future expansion of this * sub-command. */ struct cmd_clk_get_all_info_request { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; /** * @brief Response payload for #MRQ_CLK sub-command #CMD_CLK_GET_ALL_INFO * * The values in the response are only set and valid if request status in * mrq_response::err is 0. */ struct cmd_clk_get_all_info_response { /** * State / informational flags for the clock: * * | Flag bit | Description | * |------------------------|------------------------------------------| * | #BPMP_CLK_IS_ROOT | Clock is a root clock. | * | #BPMP_CLK_HAS_MUX | Clock supports changing of parent clock. | * | #BPMP_CLK_HAS_SET_RATE | Clock supports changing clock rate. | */ uint32_t flags; /** * Current parent clock identifier. */ uint32_t parent; /** * Array of possible parent clock identifiers. */ uint32_t parents[MRQ_CLK_MAX_PARENTS]; /** * Number of identifiers in the #parents -array. */ uint8_t num_parents; /** * Friendly name of the clock, truncated to fit the array * and null-terminated. */ uint8_t name[MRQ_CLK_NAME_MAXLEN]; } BPMP_ABI_PACKED; /** * @brief Request payload for #MRQ_CLK sub-command #CMD_CLK_GET_MAX_CLK_ID * * This structure is an empty placeholder for future expansion of this * sub-command. */ struct cmd_clk_get_max_clk_id_request { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; /** * @brief Response payload for #MRQ_CLK sub-command #CMD_CLK_GET_MAX_CLK_ID */ struct cmd_clk_get_max_clk_id_response { /** @brief Largest supported clock identifier. */ uint32_t max_id; } BPMP_ABI_PACKED; /** * @brief Request payload for #MRQ_CLK sub-command #CMD_CLK_GET_FMAX_AT_VMIN * * This structure is an empty placeholder for future expansion of this * sub-command. */ struct cmd_clk_get_fmax_at_vmin_request { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; /** * @brief Response payload for #MRQ_CLK sub-command #CMD_CLK_GET_FMAX_AT_VMIN */ struct cmd_clk_get_fmax_at_vmin_response { int64_t rate; } 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 |#cmd_clk_set_rate_request | * |#CMD_CLK_ROUND_RATE |#cmd_clk_round_rate_request | * |#CMD_CLK_GET_PARENT |- | * |#CMD_CLK_SET_PARENT |#cmd_clk_set_parent_request | * |#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 |- | */ struct mrq_clk_request { /** @brief Sub-command and clock id concatenated to 32-bit word. * * - bits[31..24] is the sub-command ID from @ref mrq_clk_commands. * - bits[23..0] is the clock identifier from @ref bpmp_clock_ids. */ uint32_t cmd_and_id; union { /** @private */ struct cmd_clk_get_rate_request clk_get_rate; struct cmd_clk_set_rate_request clk_set_rate; struct cmd_clk_round_rate_request clk_round_rate; /** @private */ struct cmd_clk_get_parent_request clk_get_parent; struct cmd_clk_set_parent_request clk_set_parent; /** @private */ struct cmd_clk_enable_request clk_enable; /** @private */ struct cmd_clk_disable_request clk_disable; /** @private */ struct cmd_clk_is_enabled_request clk_is_enabled; /** @private */ struct cmd_clk_get_all_info_request clk_get_all_info; /** @private */ struct cmd_clk_get_max_clk_id_request clk_get_max_clk_id; /** @private */ struct cmd_clk_get_fmax_at_vmin_request clk_get_fmax_at_vmin; } BPMP_UNION_ANON; } 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 |#cmd_clk_get_rate_response | * |#CMD_CLK_SET_RATE |#cmd_clk_set_rate_response | * |#CMD_CLK_ROUND_RATE |#cmd_clk_round_rate_response | * |#CMD_CLK_GET_PARENT |#cmd_clk_get_parent_response | * |#CMD_CLK_SET_PARENT |#cmd_clk_set_parent_response | * |#CMD_CLK_IS_ENABLED |#cmd_clk_is_enabled_response | * |#CMD_CLK_ENABLE |- | * |#CMD_CLK_DISABLE |- | * |#CMD_CLK_GET_ALL_INFO |#cmd_clk_get_all_info_response | * |#CMD_CLK_GET_MAX_CLK_ID |#cmd_clk_get_max_clk_id_response | * |#CMD_CLK_GET_FMAX_AT_VMIN |#cmd_clk_get_fmax_at_vmin_response | * */ struct mrq_clk_response { union { struct cmd_clk_get_rate_response clk_get_rate; struct cmd_clk_set_rate_response clk_set_rate; struct cmd_clk_round_rate_response clk_round_rate; struct cmd_clk_get_parent_response clk_get_parent; struct cmd_clk_set_parent_response clk_set_parent; /** @private */ struct cmd_clk_enable_response clk_enable; /** @private */ struct cmd_clk_disable_response clk_disable; struct cmd_clk_is_enabled_response clk_is_enabled; struct cmd_clk_get_all_info_response clk_get_all_info; struct cmd_clk_get_max_clk_id_response clk_get_max_clk_id; struct cmd_clk_get_fmax_at_vmin_response clk_get_fmax_at_vmin; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** @} Clocks */ /** * @ingroup MRQ_Codes * @def MRQ_QUERY_ABI * @brief Check if an MRQ is implemented * * * 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 { /** @brief MRQ code to query */ uint32_t mrq; } 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 { /** * This response field is set to: * - 0 if queried MRQ is supported, or * - -#BPMP_ENODEV if queried MRQ is not supported */ int32_t status; } BPMP_ABI_PACKED; /** * * @ingroup MRQ_Codes * @def MRQ_PG * @brief Control power-gating state of a partition. * * @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 * * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_pg_request * * Response Payload: @ref mrq_pg_response * * @addtogroup Powergating * @{ */ /** * @brief Sub-command identifiers for #MRQ_PG -command. */ enum mrq_pg_cmd { /** * @brief Check whether the BPMP driver supports the specified * request type * * mrq_response::err is 0 if the specified request is * supported and -#BPMP_ENODEV otherwise. */ CMD_PG_QUERY_ABI = 0, /** * @brief Set the current state of specified power domain. The * possible values for power domains are defined in enum * pg_states * * mrq_response:err for this sub-command is defined as: * * | Value | Description | * | -------------- | ------------------------------------------------------------------------ | * | 0 | Request was successful. | * | -#BPMP_EINVAL | Invalid request parameters were provided. | * | -#BPMP_EACCES | Permission denied or always-off partition was attempted to be turned on. | * | Any other <0 | Internal error while performing the operation. | */ CMD_PG_SET_STATE = 1, /** * @brief Get the current state of specified power domain. The * possible values for power domains are defined in enum * pg_states * * mrq_response:err for this sub-command is defined as: * * | Value | Description | * | -------------- | ---------------------------------------------- | * | 0 | Request was successful. | * | -#BPMP_EINVAL | Invalid request parameters were provided. | * | Any other <0 | Internal error while performing the operation. | */ CMD_PG_GET_STATE = 2, /** * @brief Get the name string of specified power domain id. * * mrq_response:err for this sub-command is defined as: * * | Value | Description | * | -------------- | ---------------------------------------------- | * | 0 | Request was successful. | * | -#BPMP_EINVAL | Invalid request parameters were provided. | * | Any other <0 | Internal error while performing the operation. | */ CMD_PG_GET_NAME = 3, /** * @brief Get the highest power domain id in the system. Not * all IDs between 0 and max_id are valid IDs. * * mrq_response:err for this sub-command is defined as: * * | Value | Description | * | -------------- | ---------------------------------------------- | * | 0 | Request was successful. | * | -#BPMP_EINVAL | Invalid request parameters were provided. | * | Any other <0 | Internal error while performing the operation. | */ CMD_PG_GET_MAX_ID = 4, }; #define MRQ_PG_NAME_MAXLEN 40 /** * @brief State value for the cmd_pg_set_state_request::state -field. */ enum pg_states { /** @brief Power domain is OFF */ PG_STATE_OFF = 0, /** @brief Power domain is ON */ PG_STATE_ON = 1, /** @cond bpmp_t186 */ /** * @brief a legacy state where power domain and the clock * associated to the domain are ON. * This state is only supported in T186, and the use of it is * deprecated. */ PG_STATE_RUNNING = 2, /** @endcond */ }; struct cmd_pg_query_abi_request { /** #MRQ_PG sub-command identifier from @ref mrq_pg_cmd */ uint32_t type; } BPMP_ABI_PACKED; struct cmd_pg_set_state_request { /** One of the state values from @ref pg_states */ uint32_t state; } BPMP_ABI_PACKED; /** * @brief Response payload for the #MRQ_PG sub-command #CMD_PG_GET_STATE */ struct cmd_pg_get_state_response { /** * @brief The state of the power partition that has been * successfully requested by the master earlier using #MRQ_PG * command #CMD_PG_SET_STATE. * * The state may not reflect the physical state of the power * partition if there are some other masters requesting it to * be enabled. * * See @ref pg_states for possible values. */ uint32_t state; } BPMP_ABI_PACKED; /** * @brief Response payload for the #MRQ_PG sub-command #CMD_PG_GET_NAME */ struct cmd_pg_get_name_response { /** * @brief On successful response contains the null-terminated * friendly name of the requested power-domain. */ uint8_t name[MRQ_PG_NAME_MAXLEN]; } BPMP_ABI_PACKED; /** * @brief Response payload for the #MRQ_PG sub-command #CMD_PG_GET_MAX_ID */ struct cmd_pg_get_max_id_response { uint32_t max_id; } BPMP_ABI_PACKED; /** * @brief Request with #MRQ_PG * * Used by the sender of an #MRQ_PG message to control power * partitions. The expected payload depends on the sub-command identifier. * Some sub-commands require no additional data while others have a sub-command * specific payload: * * |Sub-command |Payload | * |----------------------------|---------------------------| * |#CMD_PG_QUERY_ABI | #cmd_pg_query_abi_request | * |#CMD_PG_SET_STATE | #cmd_pg_set_state_request | * |#CMD_PG_GET_STATE | - | * |#CMD_PG_GET_NAME | - | * |#CMD_PG_GET_MAX_ID | - | * */ struct mrq_pg_request { /** @brief Sub-command identifier from @ref mrq_pg_cmd. */ uint32_t cmd; /** * @brief Power-domain identifier */ uint32_t id; union { struct cmd_pg_query_abi_request query_abi; struct cmd_pg_set_state_request set_state; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** * @brief Response to #MRQ_PG * * Some of the #MRQ_PG sub-commands return a sub-command -specific payload * as specified in the following table: * * |Sub-command |Payload | * |--------------------|------------------------------| * |#CMD_PG_QUERY_ABI | - | * |#CMD_PG_SET_STATE | - | * |#CMD_PG_GET_STATE | #cmd_pg_get_state_response | * |#CMD_PG_GET_NAME | #cmd_pg_get_name_response | * |#CMD_PG_GET_MAX_ID | #cmd_pg_get_max_id_response | */ struct mrq_pg_response { union { struct cmd_pg_get_state_response get_state; struct cmd_pg_get_name_response get_name; struct cmd_pg_get_max_id_response get_max_id; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** @} Powergating */ /** * @ingroup MRQ_Codes * @def MRQ_THERMAL * @brief Interact with BPMP thermal framework * * * Initiators: Any * * Targets: Any * * Request Payload: #mrq_thermal_host_to_bpmp_request * * Response Payload: #mrq_thermal_bpmp_to_host_response * * @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. * @{ */ /** * @brief Sub-command identifiers for Host->BPMP #MRQ_THERMAL -command. */ enum mrq_thermal_host_to_bpmp_cmd { /** * @brief Check whether BPMP-FW supports the specified * #MRQ_THERMAL sub-command. * * Host needs to supply request parameters. * * mrq_response::err is 0 if the specified request is * supported and -#BPMP_ENODEV otherwise. */ CMD_THERMAL_QUERY_ABI = 0, /** * @brief Get the current temperature of the specified zone. * * Host needs to supply request parameters. * * mrq_response::err value for this sub-command is: * * | Value | Description | * | -------------- | ----------------------------------------- | * | 0 | Temperature query succeeded. | * | -#BPMP_EINVAL | Invalid request parameters. | * | -#BPMP_ENOENT | No driver registered for thermal zone. | * | -#BPMP_EFAULT | Problem reading temperature measurement. | */ CMD_THERMAL_GET_TEMP = 1, /** * @cond (!bpmp_safe && !bpmp_t264) * @brief Enable or disable and set the lower and upper * thermal limits for a thermal trip point. Each zone has * one trip point. * * Host needs to supply request parameters. Once the * temperature hits a trip point, the BPMP will send a message * to the CPU having MRQ command identifier equal to #MRQ_THERMAL and * sub-command identifier equal to #CMD_THERMAL_HOST_TRIP_REACHED. * * If #CMD_THERMAL_SET_TRIP -sub-command is issued for a * thermal zone that is currently power gated and unable to * report temperature, a temperature of -256C is used as * temperature for evaluation of the trip. * * mrq_response::err for this sub-command is defined as: * * | Value | Description | * | --------------- | -------------------------------------- | * | 0 | Trip successfully set. | * | -#BPMP_EINVAL | Invalid request parameters. | * | -#BPMP_ENOENT | No driver registered for thermal zone. | * | -#BPMP_EFAULT | Problem setting trip point. | */ CMD_THERMAL_SET_TRIP = 2, /** @endcond */ /** * @brief Get the number of supported thermal zones. * * No request parameters required. * * mrq_response::err is always 0, indicating success. */ CMD_THERMAL_GET_NUM_ZONES = 3, /** * @brief Get the thermal trip value of the specified zone. * * Host needs to supply request parameters. * * mrq_response::err for this sub-command is defined as: * * | Value | Description | * | --------------- | -------------------------------------- | * | 0 | Valid zone information returned. | * | -#BPMP_EINVAL | Invalid request parameters. | * | -#BPMP_ENOENT | No driver registered for thermal zone. | * | -#BPMP_ERANGE | Thermal trip is invalid or disabled. | * | -#BPMP_EFAULT | Problem reading zone information. | */ CMD_THERMAL_GET_THERMTRIP = 4, /** * @brief Number of supported host-to-bpmp commands. */ CMD_THERMAL_HOST_TO_BPMP_NUM }; /** * @brief Sub-command identifiers for BPMP->host #MRQ_THERMAL -command */ enum mrq_thermal_bpmp_to_host_cmd { /** * @brief Indication that the temperature for a zone has * exceeded the range indicated in the thermal trip point * for the zone. * * BPMP-FW needs to supply request parameters. Host only needs to * acknowledge. */ CMD_THERMAL_HOST_TRIP_REACHED = 100, /** * @brief: Number of supported bpmp-to-host commands. May * increase in future. */ CMD_THERMAL_BPMP_TO_HOST_NUM }; /** * Host->BPMP request payload for the #CMD_THERMAL_QUERY_ABI sub-command */ struct cmd_thermal_query_abi_request { /** * Request type for which to check whether supported by BPMP-FW. * * Valid identifiers are available at #mrq_thermal_host_to_bpmp_cmd */ uint32_t type; } BPMP_ABI_PACKED; /** * Host->BPMP request payload for the #CMD_THERMAL_GET_TEMP sub-command */ struct cmd_thermal_get_temp_request { /** Thermal zone identifier from @ref bpmp_thermal_ids. */ uint32_t zone; } BPMP_ABI_PACKED; /** * BPMP->Host response payload for the #CMD_THERMAL_GET_TEMP sub-command. * * mrq_response::err is defined as: * * | Value | Description | * | ------------- | -------------------------------------------------------- | * | 0 | Request succeeded. | * | -#BPMP_EINVAL | Request parameters were invalid. | * | -#BPMP_ENOENT | No driver was registered for the specified thermal zone. | * | -#BPMP_EFAULT | For other BPMP-FW internal thermal zone driver errors. | */ struct cmd_thermal_get_temp_response { /** @brief Current temperature in millicelsius. */ int32_t temp; } BPMP_ABI_PACKED; /** * @cond (!bpmp_safe && !bpmp_t264) * * Host->BPMP request payload for the #CMD_THERMAL_SET_TRIP sub-command. */ struct cmd_thermal_set_trip_request { /** @brief Thermal zone identifier from @ref bpmp_thermal_ids. */ uint32_t zone; /** @brief Temperature of lower trip point in millicelsius */ int32_t low; /** @brief Temperature of upper trip point in millicelsius */ int32_t high; /** 1 to enable trip point, 0 to disable trip point */ uint32_t enabled; } BPMP_ABI_PACKED; /** * BPMP->Host request payload for the #CMD_THERMAL_HOST_TRIP_REACHED sub-command. */ struct cmd_thermal_host_trip_reached_request { /** * @brief ID of the thermal zone where trip point was reached, * from @ref bpmp_thermal_ids. */ uint32_t zone; } BPMP_ABI_PACKED; /** @endcond */ /** * BPMP->Host response payload for the #CMD_THERMAL_GET_NUM_ZONES sub-command. */ struct cmd_thermal_get_num_zones_response { /** * @brief Number of supported thermal zones. * * The thermal zones are indexed starting from zero. */ uint32_t num; } BPMP_ABI_PACKED; /** * Host->BPMP request payload for the #CMD_THERMAL_GET_THERMTRIP sub-command. */ struct cmd_thermal_get_thermtrip_request { /** @brief Thermal zone identifier from @ref bpmp_thermal_ids. */ uint32_t zone; } BPMP_ABI_PACKED; /** * BPMP->Host response payload for the #CMD_THERMAL_GET_THERMTRIP sub-command. */ struct cmd_thermal_get_thermtrip_response { /** @brief HW shutdown temperature in millicelsius. */ int32_t thermtrip; } BPMP_ABI_PACKED; /** * Host->BPMP #MRQ_THERMAL request payload. * * Response payload type is #mrq_thermal_bpmp_to_host_response. */ struct mrq_thermal_host_to_bpmp_request { /** * Request sub-command identifier from @ref mrq_thermal_host_to_bpmp_cmd. */ uint32_t type; union { struct cmd_thermal_query_abi_request query_abi; struct cmd_thermal_get_temp_request get_temp; struct cmd_thermal_set_trip_request set_trip; struct cmd_thermal_get_thermtrip_request get_thermtrip; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** * @brief Request payload for the BPMP->Host #MRQ_THERMAL command. */ struct mrq_thermal_bpmp_to_host_request { /** * Request sub-command identifier from @ref mrq_thermal_bpmp_to_host_cmd. */ uint32_t type; union { struct cmd_thermal_host_trip_reached_request host_trip_reached; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** * @brief Response payload for the Host->BPMP #MRQ_THERMAL command. */ union mrq_thermal_bpmp_to_host_response { struct cmd_thermal_get_temp_response get_temp; struct cmd_thermal_get_thermtrip_response get_thermtrip; struct cmd_thermal_get_num_zones_response get_num_zones; } BPMP_ABI_PACKED; /** @} Thermal */ /** @cond (!bpmp_safe && (bpmp_t234 || bpmp_t238 || bpmp_t264)) * @ingroup MRQ_Codes * @def MRQ_OC_STATUS * @brief Query overcurrent status * * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: N/A * * Response Payload: @ref mrq_oc_status_response * * @addtogroup OC_status * @{ */ /** * @brief Size of the mrq_oc_status_response::throt_en and * mrq_oc_status_response::event_cnt -arrays. */ #define OC_STATUS_MAX_SIZE 24U /** * @brief Response payload for the #MRQ_OC_STATUS -command. * * mrq_response::err is 0 if the operation was successful and * -#BPMP_ENODEV otherwise. */ struct mrq_oc_status_response { /** * @brief Value for each overcurrent alarm where zero signifies * throttle is disabled, and non-zero throttle is enabled. */ uint8_t throt_en[OC_STATUS_MAX_SIZE]; /** * @brief Total number of overcurrent events for each overcurrent alarm. */ uint32_t event_cnt[OC_STATUS_MAX_SIZE]; } BPMP_ABI_PACKED; /** @} OC_status */ /** @endcond */ /** @cond (bpmp_th500 || bpmp_tb500 || bpmp_t238) * @ingroup MRQ_Codes * @def MRQ_THROTTLE * @brief Overcurrent throttling * * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_throttle_request * * Response Payload: @ref mrq_throttle_response * @addtogroup Throttle * @{ */ enum mrq_throttle_cmd { /** * @brief Check whether the BPMP-FW supports the specified * #MRQ_THROTTLE sub-command. * * mrq_response::err is 0 if the specified request is * supported and -#BPMP_ENODEV otherwise. */ CMD_THROTTLE_QUERY_ABI = 0, /** * @cond (bpmp_th500 || bpmp_tb500) * @brief query chipthrot status * * mrq_response:err is defined as: * * | Value | Description | * |----------------|--------------------------------------------------------------| * | 0 | Success | * | -#BPMP_ENODEV | CMD_THROTTLE_GET_CHIPTHROT_STATUS is not supported by BPMP-FW| */ CMD_THROTTLE_GET_CHIPTHROT_STATUS = 1, /** @endcond */ /** * @cond bpmp_t238 * @brief program OC throttle configuration * * mrq_response:err is defined as: * * | Value | Description | * |----------------|--------------------------------------------------------------| * | 0 | Success | * | -#BPMP_EINVAL | ID out of range or alarm for this ID not enabled at boot | * | -#BPMP_ENODEV | CMD_THROTTLE_SET_OC_CONFIG is not supported by BPMP-FW | */ CMD_THROTTLE_SET_OC_CONFIG = 2, /** @endcond */ }; /** * @brief Request payload for #MRQ_THROTTLE sub-command #CMD_THROTTLE_QUERY_ABI */ struct cmd_throttle_query_abi_request { uint32_t cmd; /**< @ref mrq_throttle_cmd */ } BPMP_ABI_PACKED; /** * @cond bpmp_th500 * @brief Response payload for #MRQ_THROTTLE sub-command * #CMD_THROTTLE_GET_CHIPTHROT_STATUS * * Bit-mask of all h/w throttling actions that have been engaged since * last invocation of this command * Bit 0...11 : HW throttling status of the thermal zones. * Bit 12...23 : Reserved for future thermal zone events. * Bit 24...25 : HW throttling status of the Over current Alarms OC1 & OC2. * Bit 26...31 : Reserved for future Over current alarm events. * Bit 32...63 : Reserved for future use. * @endcond * @cond bpmp_tb500 * @brief Response payload for #MRQ_THROTTLE sub-command * #CMD_THROTTLE_GET_CHIPTHROT_STATUS * * Bit-mask of all h/w throttling actions that have been engaged since * last invocation of this command * Bit 0 : HW throttling status of the TB500C_TJ_MAX thermal zone. * Bit 1...63 : Reserved for future use. * @endcond * @cond (bpmp_th500 || bpmp_tb500) */ struct cmd_throttle_get_chipthrot_status_response { uint64_t status; } BPMP_ABI_PACKED; /** @endcond */ /** * @cond bpmp_t238 * @brief Request payload for #MRQ_THROTTLE sub-command * #CMD_THROTTLE_SET_OC_CONFIG * * Only alarms that have been configured as enabled in BPMP-DTB at boot can * be reconfigured with this MRQ. */ struct cmd_throttle_set_oc_config_request { /** @brief valid OC alarm ID from @ref bpmp_soctherm_edp_oc_ids */ uint32_t id; /** @brief Throttling enable/disable * * Set to 1 to enable throttling, or 0 to disable. Other values are * disallowed. */ uint8_t en_throttle; } BPMP_ABI_PACKED; /** @endcond */ /** * @brief Request payload for the #MRQ_THROTTLE -command * * | Sub-command | Request payload | * |------------------------------------|----------------------------------| * | #CMD_THROTTLE_QUERY_ABI | #cmd_throttle_query_abi_request | * * @cond bpmp_th500 * The following additional sub-commands are supported on TH500 platforms: * | Sub-command | Request payload | * |------------------------------------|----------------------------------| * | #CMD_THROTTLE_GET_CHIPTHROT_STATUS | - | * @endcond * * @cond bpmp_tb500 * The following additional sub-commands are supported on TB500 platforms: * | Sub-command | Request payload | * |------------------------------------|----------------------------------| * | #CMD_THROTTLE_GET_CHIPTHROT_STATUS | - | * @endcond * * @cond bpmp_t238 * The following additional sub-commands are supported on T238 platforms: * | Sub-command | Request payload | * |------------------------------------|-------------------------------------| * | #CMD_THROTTLE_SET_OC_CONFIG | #cmd_throttle_set_oc_config_request | * @endcond */ struct mrq_throttle_request { uint32_t cmd; union { struct cmd_throttle_query_abi_request throttle_query_abi_req; /** @cond bpmp_t238 */ struct cmd_throttle_set_oc_config_request throttle_set_oc_config_req; /** @endcond */ } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** * @brief Response payload for the #MRQ_THROTTLE -command. * * | Sub-command | Response payload | * |------------------------------------|--------------------------------------------| * | #CMD_THROTTLE_QUERY_ABI | - | * * @cond bpmp_th500 * The following additional sub-commands are supported on TH500 platforms: * | Sub-command | Response payload | * |------------------------------------|--------------------------------------------| * | #CMD_THROTTLE_GET_CHIPTHROT_STATUS | #cmd_throttle_get_chipthrot_status_response| * @endcond * * @cond bpmp_tb500 * The following additional sub-commands are supported on TB500 platforms: * | Sub-command | Response payload | * |------------------------------------|--------------------------------------------| * | #CMD_THROTTLE_GET_CHIPTHROT_STATUS | #cmd_throttle_get_chipthrot_status_response| * @endcond * * @cond bpmp_t238 * The following additional sub-commands are supported on T238 platforms: * | Sub-command | Response payload | * |------------------------------------|--------------------------------------------| * | #CMD_THROTTLE_SET_OC_CONFIG | - | * @endcond */ struct mrq_throttle_response { union { /** @cond (bpmp_th500 || bpmp_tb500) */ struct cmd_throttle_get_chipthrot_status_response throttle_get_chipthrot_status_resp; /** @endcond */ } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** @} Throttle */ /** @endcond */ /** @cond bpmp_t186 * @ingroup MRQ_Codes * @def MRQ_CPU_VHINT * @brief Query CPU voltage hint data * * * 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 { /** @brief IOVA address for the #cpu_vhint_data */ uint32_t addr; /** @brief ID of the cluster whose data is requested */ uint32_t cluster_id; } 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 { uint32_t ref_clk_hz; /**< reference frequency in Hz */ uint16_t pdiv; /**< post divider value */ uint16_t mdiv; /**< input divider value */ uint16_t ndiv_max; /**< fMAX expressed with max NDIV value */ /** table of ndiv values as a function of vINDEX (voltage index) */ uint16_t ndiv[80]; /** minimum allowed NDIV value */ uint16_t ndiv_min; /** minimum allowed voltage hint value (as in vINDEX) */ uint16_t vfloor; /** maximum allowed voltage hint value (as in vINDEX) */ uint16_t vceil; /** post-multiplier for vindex value */ uint16_t vindex_mult; /** post-divider for vindex value */ uint16_t vindex_div; /** reserved for future use */ uint16_t reserved[328]; } BPMP_ABI_PACKED; /** @} Vhint */ /** @endcond */ /** * @ingroup MRQ_Codes * @def MRQ_ABI_RATCHET * @brief ABI ratchet value query * * * 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 3 /** * @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 Requester's ratchet value */ uint16_t ratchet; }; /** * @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 { /** @brief BPMP's ratchet value */ uint16_t ratchet; }; /** @} ABI_info */ /** * @ingroup MRQ_Codes * @def MRQ_EMC_DVFS_LATENCY * @brief Query frequency dependent EMC DVFS latency * * On T264 and onwards, this MRQ service is available only when * BPMP-FW has valid DRAM timing table passed by earlier boot stages. * * * 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 { /** @brief EMC DVFS node frequency in kHz */ uint32_t freq; /** @brief EMC DVFS latency in nanoseconds */ uint32_t latency; } BPMP_ABI_PACKED; #define EMC_DVFS_LATENCY_MAX_SIZE 14 /** * @brief Response to #MRQ_EMC_DVFS_LATENCY */ struct mrq_emc_dvfs_latency_response { /** * @brief The number valid entries in #pairs * * Valid range is [0, #EMC_DVFS_LATENCY_MAX_SIZE] */ uint32_t num_pairs; /** @brief EMC DVFS node information */ struct emc_dvfs_latency pairs[EMC_DVFS_LATENCY_MAX_SIZE]; } BPMP_ABI_PACKED; /** @} EMC */ /** @cond (bpmp_t234) * @ingroup MRQ_Codes * @def MRQ_EMC_DVFS_EMCHUB * @brief Query EMC HUB frequencies * * * 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 { /** @brief EMC DVFS node frequency in kHz */ uint32_t freq; /** @brief EMC HUB frequency in kHz */ uint32_t hub_freq; } BPMP_ABI_PACKED; #define EMC_DVFS_EMCHUB_MAX_SIZE EMC_DVFS_LATENCY_MAX_SIZE /** * @brief Response to #MRQ_EMC_DVFS_EMCHUB */ struct mrq_emc_dvfs_emchub_response { /** @brief The number valid entries in #pairs */ uint32_t num_pairs; /** @brief EMC DVFS node information */ struct emc_dvfs_emchub pairs[EMC_DVFS_EMCHUB_MAX_SIZE]; } BPMP_ABI_PACKED; /** @} EMC */ /** @endcond */ /** @cond (bpmp_t234) * @ingroup MRQ_Codes * @def MRQ_EMC_DISP_RFL * @brief Set EMC display RFL handshake mode of operations * * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_emc_disp_rfl_request * * Response Payload: N/A * * @addtogroup EMC * @{ */ /** * @brief Allowed mode values for the mrq_emc_disp_rfl_request::mode -field. */ enum mrq_emc_disp_rfl_mode { /** @brief EMC display RFL handshake disabled */ EMC_DISP_RFL_MODE_DISABLED = 0, /** @brief EMC display RFL handshake enabled */ EMC_DISP_RFL_MODE_ENABLED = 1, }; /** * @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 for this request is defined as: * * | Value | Description | * | -------------- | --------------------------------------------- | * | 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 { /** @brief EMC display RFL mode from @ref mrq_emc_disp_rfl_mode */ uint32_t mode; } BPMP_ABI_PACKED; /** @} EMC */ /** @endcond */ /** @cond (!bpmp_safe && (bpmp_t234 || bpmp_t238)) * @ingroup MRQ_Codes * @def MRQ_BWMGR * @brief Bandwidth manager (BWMGR) commands * * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_bwmgr_request * * Response Payload: @ref mrq_bwmgr_response * * @addtogroup BWMGR * @{ */ /** * @brief Sub-command identifiers for #MRQ_BWMGR */ enum mrq_bwmgr_cmd { /** * @brief Check whether BPMP-FW supports the specified * #MRQ_BWMGR sub-command. * * mrq_response::err is defined to be: * * | Value | Description * |----------------|---------------------------- * | 0 | Specified sub-command is supported. * | -#BPMP_ENODEV | Specified sub-command is not supported. */ CMD_BWMGR_QUERY_ABI = 0, /** * @brief Determine DRAM rate to satisfy ISO/NISO bandwidth requests * * mrq_response::err is defined to be: * * | Value | Description * |----------------|---------------------------- * | 0 | Rate calculation succeeded. * | -#BPMP_EINVAL | Invalid request parameters. * | -#BPMP_ENOTSUP | Requested bandwidth is not available. * | <0 | Any other internal error. */ CMD_BWMGR_CALC_RATE = 1 }; /** * @brief Request payload for #MRQ_BWMGR sub-command #CMD_BWMGR_QUERY_ABI */ struct cmd_bwmgr_query_abi_request { /** @brief Sub-command identifier from @ref mrq_bwmgr_cmd. */ uint32_t type; } BPMP_ABI_PACKED; /** * @brief Used by @ref cmd_bwmgr_calc_rate_request */ struct iso_req { /** @brief BWMGR client ID from @ref bpmp_bwmgr_ids */ uint32_t id; /** @brief Bandwidth in kBps requested by client */ uint32_t iso_bw; } BPMP_ABI_PACKED; /** * @brief Size of the cmd_bwmgr_calc_rate_request::isobw_reqs -array. */ #define MAX_ISO_CLIENTS 13U /** * @brief Request payload for #MRQ_BWMGR sub-command #CMD_BWMGR_CALC_RATE */ struct cmd_bwmgr_calc_rate_request { /** @brief Total bandwidth in kBps requested by all NISO clients. */ uint32_t sum_niso_bw; /** @brief The number of ISO client requests in #isobw_reqs -array */ uint32_t num_iso_clients; /** @brief iso_req information */ struct iso_req isobw_reqs[MAX_ISO_CLIENTS]; } BPMP_ABI_PACKED; /** * @brief Response payload for #MRQ_BWMGR sub-command #CMD_BWMGR_CALC_RATE */ struct cmd_bwmgr_calc_rate_response { /** * @brief Minimum DRAM data clock rate in kHz to satisfy all ISO client * bandwidth requests. */ uint32_t iso_rate_min; /** * @brief Minimum DRAM data clock rate in kHz to satisfy all * bandwidth requests. */ uint32_t total_rate_min; } BPMP_ABI_PACKED; /** * @brief Request payload for the #MRQ_BWMGR -command. * * |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 { /** @brief Sub-command identifier from @ref mrq_bwmgr_cmd. */ uint32_t cmd; union { struct cmd_bwmgr_query_abi_request query_abi; struct cmd_bwmgr_calc_rate_request bwmgr_rate_req; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** * @brief Response payload for the #MRQ_BWMGR -command. * * |Sub-command |Payload | * |----------------------|------------------------------| * |#CMD_BWMGR_CALC_RATE |#cmd_bwmgr_calc_rate_response | */ struct mrq_bwmgr_response { union { struct cmd_bwmgr_calc_rate_response bwmgr_rate_resp; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** @} BWMGR */ /** @endcond */ /** @cond (!bpmp_safe && (bpmp_t234 || bpmp_t238 || bpmp_t264)) * @ingroup MRQ_Codes * @def MRQ_BWMGR_INT * @brief BPMP-FW integrated BWMGR requests * * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_bwmgr_int_request * * Response Payload: @ref mrq_bwmgr_int_response * * @addtogroup BWMGR_INT * @{ */ /** * @brief Sub-command identifiers for #MRQ_BWMGR_INT */ enum mrq_bwmgr_int_cmd { /** * @brief Check whether the BPMP-FW supports the specified * sub-command. * * mrq_response::err is 0 if the specified request is * supported and -#BPMP_ENODEV otherwise. */ CMD_BWMGR_INT_QUERY_ABI = 1, /** * @brief Determine and set DRAM rate to satisfy ISO/NISO bandwidth requests. * * mrq_response::err is defined as: * * |Value |Description | * |-----------------|----------------------------------------------------------------------------------------------------------------| * |0 |Request succeeded. | * |-#BPMP_EINVAL |Invalid request parameters, cmd_bwmgr_int_calc_and_set_response::rate is not set. | * |-#BPMP_ENOTSUP |Requested bandwidth is not available, cmd_bwmgr_int_calc_and_set_response::rate is the current DRAM clock rate. | * |<0 |Any other internal error. | */ CMD_BWMGR_INT_CALC_AND_SET = 2, /** * @brief Set a max DRAM frequency for the bandwidth manager. * * mrq_response::err is defined as: * * |Value |Description | * |-----------------|------------------------------------------| * |0 |Request succeeded. | * |-#BPMP_ENOTSUP |Requested cap frequency is not possible. | * |<0 |Any other internal error. | */ CMD_BWMGR_INT_CAP_SET = 3, /** * @brief Obtain the maximum amount of bandwidth currently allocatable * to the requesting client. * * mrq_response::err is defined as: * * |Value |Description | * |-----------------|------------------------------------------| * |0 |Request succeeded. | * |-#BPMP_EINVAL |Invalid request parameters. | * |<0 |Any other internal error. | */ CMD_BWMGR_INT_CURR_AVAILABLE_BW = 4, /** * @brief Get the last request made by the client. * * mrq_response::err is defined as: * * |Value |Description | * |-----------------|------------------------------------------| * |0 |Request succeeded. | * |-#BPMP_EINVAL |Invalid request parameters. | * |<0 |Any other internal error. | */ CMD_BWMGR_INT_GET_LAST_REQUEST = 5, }; /** * @brief Request payload for #MRQ_BWMGR_INT sub-command #CMD_BWMGR_INT_QUERY_ABI */ struct cmd_bwmgr_int_query_abi_request { /** @brief Sub-command identifier from @ref mrq_bwmgr_int_cmd. */ uint32_t type; } 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 0U /** @brief kilohertz unit-type */ #define BWMGR_INT_UNIT_KHZ 1U /** @} bwmgr_int_unit_type */ /** * @brief Request payload for #MRQ_BWMGR_INT sub-command #CMD_BWMGR_INT_CALC_AND_SET */ struct cmd_bwmgr_int_calc_and_set_request { /** @brief BWGMR client ID from @ref bpmp_bwmgr_ids */ uint32_t client_id; /** @brief Average NISO bandwidth usage in kBps requested by client. */ uint32_t niso_bw; /** * @brief Average ISO bandwidth usage in kBps requested by client. * * Value is ignored if client is NISO as determined by #client_id. */ uint32_t iso_bw; /** * @brief Memory clock floor requested by client, unit of the value * is determined by #floor_unit -field. */ uint32_t mc_floor; /** * @brief Value set to determine the unit of the #mc_floor value: * * | Value | Unit | * |-----------------------|----------------------| * | #BWMGR_INT_UNIT_KBPS | Kilobytes per second | * | #BWMGR_INT_UNIT_KHZ | Kilohertz | */ uint8_t floor_unit; } BPMP_ABI_PACKED; /** * @brief Response payload for #MRQ_BWMGR_INT sub-command #CMD_BWMGR_INT_CALC_AND_SET */ struct cmd_bwmgr_int_calc_and_set_response { /** @brief Currently set memory clock frequency in Hz */ uint64_t rate; } BPMP_ABI_PACKED; /** * @brief Request payload for #MRQ_BWMGR_INT sub-command #CMD_BWMGR_INT_CAP_SET */ struct cmd_bwmgr_int_cap_set_request { /** @brief Requested cap frequency in Hz. */ uint64_t rate; } BPMP_ABI_PACKED; /** * @brief Request payload for #MRQ_BWMGR_INT sub-command #CMD_BWMGR_INT_CURR_AVAILABLE_BW */ struct cmd_bwmgr_int_curr_available_bw_request { /** @brief BWMGR client ID from @ref bpmp_bwmgr_ids */ uint32_t id; } BPMP_ABI_PACKED; /** * @brief Response payload for #MRQ_BWMGR_INT sub-command #CMD_BWMGR_INT_CURR_AVAILABLE_BW */ struct cmd_bwmgr_int_curr_available_bw_response { /** @brief Current cap frequency in KHz. */ uint64_t cap_rate; /** @brief Currently available bandwidth for the requesting client * to allocate in KBps. */ uint64_t available_bw; } BPMP_ABI_PACKED; struct cmd_bwmgr_int_get_last_request_request { /** @brief BWMGR client ID from @ref bpmp_bwmgr_ids */ uint32_t id; /** * @brief Value set to determine the unit of the returned mc_floor value: * * | Value | Unit | * |-----------------------|----------------------| * | #BWMGR_INT_UNIT_KBPS | Kilobytes per second | * | #BWMGR_INT_UNIT_KHZ | Kilohertz | */ uint8_t floor_unit; } BPMP_ABI_PACKED; struct cmd_bwmgr_int_get_last_request_response { /** @brief BWGMR client ID from @ref bpmp_bwmgr_ids */ uint32_t client_id; /** @brief Average NISO bandwidth usage in kBps requested by client. */ uint32_t niso_bw; /** * @brief Average ISO bandwidth usage in kBps requested by client. */ uint32_t iso_bw; /** * @brief Memory clock floor requested by client, unit of the value * is determined by #floor_unit -field. */ uint32_t mc_floor; /** * @brief Value set to determine the unit of the #mc_floor value: * * | Value | Unit | * |-----------------------|----------------------| * | #BWMGR_INT_UNIT_KBPS | Kilobytes per second | * | #BWMGR_INT_UNIT_KHZ | Kilohertz | */ uint8_t floor_unit; } BPMP_ABI_PACKED; /** * @brief Request payload for the #MRQ_BWMGR_INT -command. * * |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 | * |#CMD_BWMGR_INT_GET_LAST_REQUEST |#cmd_bwmgr_int_get_last_request_request | * * The following additional sub-commands are supported on T264 platforms: * * |Sub-command |Payload | * |---------------------------------|-----------------------------------------| * |#CMD_BWMGR_INT_CURR_AVAILABLE_BW |#cmd_bwmgr_int_curr_available_bw_request | */ struct mrq_bwmgr_int_request { /** @brief Sub-command identifier from @ref mrq_bwmgr_int_cmd. */ uint32_t cmd; union { struct cmd_bwmgr_int_query_abi_request query_abi; struct cmd_bwmgr_int_calc_and_set_request bwmgr_calc_set_req; struct cmd_bwmgr_int_cap_set_request bwmgr_cap_set_req; struct cmd_bwmgr_int_curr_available_bw_request bwmgr_curr_available_bw_req; struct cmd_bwmgr_int_get_last_request_request bwmgr_get_last_request_req; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** * @brief Response payload for the #MRQ_BWMGR_INT -command. * * |Sub-command |Payload | * |---------------------------------|------------------------------------------| * |#CMD_BWMGR_INT_CALC_AND_SET |#cmd_bwmgr_int_calc_and_set_response | * |#CMD_BWMGR_INT_GET_LAST_REQUEST |#cmd_bwmgr_int_get_last_request_response | * * The following additional sub-commands are supported on T264 platforms: * |Sub-command |Payload | * |---------------------------------|------------------------------------------| * |#CMD_BWMGR_INT_CURR_AVAILABLE_BW |#cmd_bwmgr_int_curr_available_bw_response | */ struct mrq_bwmgr_int_response { union { struct cmd_bwmgr_int_calc_and_set_response bwmgr_calc_set_resp; struct cmd_bwmgr_int_curr_available_bw_response bwmgr_curr_available_bw_resp; struct cmd_bwmgr_int_get_last_request_response bwmgr_get_last_request_resp; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** @} BWMGR_INT */ /** @endcond */ /** @cond (!bpmp_safe && (bpmp_t234 || bpmp_t238 || bpmp_t264)) * @ingroup MRQ_Codes * @def MRQ_ISO_CLIENT * @brief ISO client requests * * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_iso_client_request * * Response Payload: @ref mrq_iso_client_response * * @addtogroup ISO_CLIENT * @{ */ /** * @brief Sub-command identifiers for #MRQ_ISO_CLIENT. */ enum mrq_iso_client_cmd { /** * @brief Check whether BPMP-FW supports a specified * #MRQ_ISO_CLIENT sub-command. * * mrq_response::err is 0 if the specified request is * supported and -#BPMP_ENODEV otherwise. */ CMD_ISO_CLIENT_QUERY_ABI = 0, /** * @brief Determine legal LA for ISO client. * * Without programming LA MC registers, calculate and ensure that * a legal LA is possible for the ISO bandwidth requested by the * ISO client. * * mrq_response::err for this sub-command is defined as: * * | Value | Description | * |---------------|--------------------------------------------------------------| * | 0 | Request successful and legal LA is possible. | * | -#BPMP_EINVAL | Invalid request parameters. | * | -#BPMP_EFAULT | Legal LA is not possible for client requested ISO bandwidth. | * | <0 | Any other internal error. | */ CMD_ISO_CLIENT_CALCULATE_LA = 1, /** * @brief Set LA for ISO client. * * Calculate and program the LA/PTSA MC registers corresponding to the * ISO client making the bandwidth request. * * mrq_response::err for this sub-command is defined as: * * | Value | Description | * |---------------|----------------------------------------------| * | 0 | Setting LA succeeded. | * | -#BPMP_EINVAL | Invalid request parameters. | * | -#BPMP_EFAULT | Failed to calculate or program MC registers. | * | <0 | Any other internal error. | */ CMD_ISO_CLIENT_SET_LA = 2, /** * @brief Get maximum possible bandwidth for ISO client. * * mrq_response::err for this sub-command is defined as: * * | Value | Description | * |---------------|----------------------------------------------| * | 0 | Operation successful. | * | -#BPMP_EINVAL | Invalid request parameters. | * | <0 | Any other internal error. | */ CMD_ISO_CLIENT_GET_MAX_BW = 3 }; /** * @brief Request payload for #MRQ_ISO_CLIENT sub-command #CMD_ISO_CLIENT_QUERY_ABI */ struct cmd_iso_client_query_abi_request { /** * @brief Sub-command identifier from @ref mrq_iso_client_cmd * for which to check existence. */ uint32_t type; } BPMP_ABI_PACKED; /** * @brief Request payload #MRQ_ISO_CLIENT sub-command #CMD_ISO_CLIENT_CALCULATE_LA */ struct cmd_iso_client_calculate_la_request { /** @brief BWMGR client ID from @ref bpmp_bwmgr_ids */ uint32_t id; /** @brief Bandwidth requested in kBps for the client specified in #id. */ uint32_t bw; /** * @brief Initial DRAM bandwidth floor in kBps for the ISO client specified in #id. * * ISO client will perform mempool allocation and DVFS buffering based * on this value. */ uint32_t init_bw_floor; } BPMP_ABI_PACKED; /** * @brief Response payload for #MRQ_ISO_CLIENT sub-command #CMD_ISO_CLIENT_CALCULATE_LA */ struct cmd_iso_client_calculate_la_response { /** @brief Minimum DRAM rate in kHz at which a legal LA is possible */ uint32_t la_rate_floor; /** * Minimum DRAM frequency in kHz required to satisfy this clients * ISO bandwidth request, assuming all other ISO clients are inactive. */ uint32_t iso_client_only_rate; } BPMP_ABI_PACKED; /** * @brief Request payload for #MRQ_ISO_CLIENT sub-command #CMD_ISO_CLIENT_SET_LA */ struct cmd_iso_client_set_la_request { /** @brief BMWGR client ID from @ref bpmp_bwmgr_ids */ uint32_t id; /** @brief Bandwidth requested in kBps for the client specified in #id. */ uint32_t bw; /** * @brief Final DRAM bandwidth floor in kBps. * * Sometimes the initial cmd_iso_client_calculate_la_request::dram_bw_floor * passed by ISO client may need to be updated by considering higher * DRAM frequencies. This is the final DRAM bandwidth floor value used * to calculate and program MC registers. */ uint32_t final_bw_floor; } BPMP_ABI_PACKED; /** * @brief Request payload for #MRQ_ISO_CLIENT sub-command #CMD_ISO_CLIENT_GET_MAX_BW */ struct cmd_iso_client_get_max_bw_request { /** @brief BWMGR client ID from @ref bpmp_bwmgr_ids */ uint32_t id; } BPMP_ABI_PACKED; /** * @brief Used by @ref cmd_iso_client_get_max_bw_response */ struct iso_max_bw { /** @brief dram frequency in kHz */ uint32_t freq; /** @brief max possible iso-bw in kBps */ uint32_t iso_bw; } BPMP_ABI_PACKED; /** * @brief Size of the cmd_iso_client_get_max_bw_response::pairs -array. */ #define ISO_MAX_BW_MAX_SIZE 14U /** * @brief Response payload for #MRQ_ISO_CLIENT sub-command #CMD_ISO_CLIENT_GET_MAX_BW */ struct cmd_iso_client_get_max_bw_response { /** @brief The number valid entries in iso_max_bw pairs */ uint32_t num_pairs; /** @brief max ISOBW information */ struct iso_max_bw pairs[ISO_MAX_BW_MAX_SIZE]; } BPMP_ABI_PACKED; /** * @brief Request payload for #MRQ_ISO_CLIENT command. * * Each #MRQ_ISO_CLIENT -command is expected to include a sub-command specific * payload as defined in table below: * * |Sub-command |Request 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 { /** @brief Sub-command identifier from @ref mrq_iso_client_cmd. */ uint32_t cmd; union { struct cmd_iso_client_query_abi_request query_abi; struct cmd_iso_client_calculate_la_request calculate_la_req; struct cmd_iso_client_set_la_request set_la_req; struct cmd_iso_client_get_max_bw_request max_isobw_req; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** * @brief Response payload for #MRQ_ISO_CLIENT command. * * Some of the sub-commands supported by #MRQ_ISO_CLIENT may return * a sub-command -specific payload in the MRQ response as defined in table * below: * * |Sub-command |Response payload | * |---------------------------- |--------------------------------------| * |#CMD_ISO_CLIENT_QUERY_ABI |- | * |#CMD_ISO_CLIENT_CALCULATE_LA |#cmd_iso_client_calculate_la_response | * |#CMD_ISO_CLIENT_SET_LA |- | * |#CMD_ISO_CLIENT_GET_MAX_BW |#cmd_iso_client_get_max_bw_response | * */ struct mrq_iso_client_response { union { struct cmd_iso_client_calculate_la_response calculate_la_resp; struct cmd_iso_client_get_max_bw_response max_isobw_resp; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** @} ISO_CLIENT */ /** @endcond */ /** @cond (!bpmp_t186) * @ingroup MRQ_Codes * @def MRQ_CPU_NDIV_LIMITS * @brief Return CPU cluster NDIV limits * * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_cpu_ndiv_limits_request * * Response Payload: @ref mrq_cpu_ndiv_limits_response * @addtogroup CPU * @{ */ /** * @brief Request payload for the #MRQ_CPU_NDIV_LIMITS -command */ struct mrq_cpu_ndiv_limits_request { /** @brief Logical CPU cluster identifier */ uint32_t cluster_id; } BPMP_ABI_PACKED; /** * @brief Response to #MRQ_CPU_NDIV_LIMITS */ struct mrq_cpu_ndiv_limits_response { /** @brief Reference frequency in Hz */ uint32_t ref_clk_hz; /** @brief Post divider value */ uint16_t pdiv; /** @brief Input divider value */ uint16_t mdiv; /** @brief FMAX expressed with max NDIV value */ uint16_t ndiv_max; /** @brief Minimum allowed NDIV value */ uint16_t ndiv_min; } BPMP_ABI_PACKED; /** @} CPU */ /** @endcond */ /** @cond (bpmp_t194) * @ingroup MRQ_Codes * @def MRQ_CPU_AUTO_CC3 * @brief Query CPU cluster auto-CC3 configuration * * * 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 payload for the #MRQ_CPU_AUTO_CC3 -command */ struct mrq_cpu_auto_cc3_request { /** @brief Logical CPU cluster ID */ uint32_t cluster_id; } BPMP_ABI_PACKED; /** * @brief Response payload for the #MRQ_CPU_AUTO_CC3 -command */ struct mrq_cpu_auto_cc3_response { /** * @brief auto-CC3 configuration * * - bits[31..10] reserved. * - bits[9..1] cc3 ndiv * - bit [0] if "1" auto-CC3 is allowed, if "0" auto-CC3 is not allowed */ uint32_t auto_cc3_config; } BPMP_ABI_PACKED; /** @} CC3 */ /** @endcond */ /** @cond (bpmp_t186 || bpmp_t194 || bpmp_t234) * @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 112 /** * @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 116 enum mrq_ringbuf_console_host_to_bpmp_cmd { /** * @brief Check whether the BPMP driver supports the specified request * type * * mrq_response::err is 0 if the specified request is supported and * -#BPMP_ENODEV otherwise */ CMD_RINGBUF_CONSOLE_QUERY_ABI = 0, /** * @brief Perform a read operation on the BPMP TX buffer * * mrq_response::err is 0 */ CMD_RINGBUF_CONSOLE_READ = 1, /** * @brief Perform a write operation on the BPMP RX buffer * * mrq_response::err is 0 if the operation was successful and * -#BPMP_ENODEV otherwise */ CMD_RINGBUF_CONSOLE_WRITE = 2, /** * @brief Get the length of the buffer and the physical addresses of * the buffer data and the head and tail counters * * mrq_response::err is 0 if the operation was successful and * -#BPMP_ENODEV otherwise */ CMD_RINGBUF_CONSOLE_GET_FIFO = 3, }; /** * @ingroup RingbufConsole * @brief Host->BPMP request data for request type * #CMD_RINGBUF_CONSOLE_QUERY_ABI */ struct cmd_ringbuf_console_query_abi_req { /** @brief Command identifier to be queried */ uint32_t cmd; } BPMP_ABI_PACKED; /** @private */ struct cmd_ringbuf_console_query_abi_resp { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; /** * @ingroup RingbufConsole * @brief Host->BPMP request data for request type #CMD_RINGBUF_CONSOLE_READ */ struct cmd_ringbuf_console_read_req { /** * @brief Number of bytes requested to be read from the BPMP TX buffer. * * Valid range is [0, #MRQ_RINGBUF_CONSOLE_MAX_READ_LEN] */ uint8_t len; } BPMP_ABI_PACKED; /** * @ingroup RingbufConsole * @brief BPMP->Host response data for request type #CMD_RINGBUF_CONSOLE_READ */ struct cmd_ringbuf_console_read_resp { /** @brief The actual data read from the BPMP TX buffer */ uint8_t data[MRQ_RINGBUF_CONSOLE_MAX_READ_LEN]; /** * @brief Number of bytes in cmd_ringbuf_console_read_resp::data * * Valid range is [0, #MRQ_RINGBUF_CONSOLE_MAX_WRITE_LEN] */ uint8_t len; } BPMP_ABI_PACKED; /** * @ingroup RingbufConsole * @brief Host->BPMP request data for request type #CMD_RINGBUF_CONSOLE_WRITE */ struct cmd_ringbuf_console_write_req { /** @brief The actual data to be written to the BPMP RX buffer */ uint8_t data[MRQ_RINGBUF_CONSOLE_MAX_WRITE_LEN]; /** @brief Number of bytes in cmd_ringbuf_console_write_req::data */ uint8_t len; } BPMP_ABI_PACKED; /** * @ingroup RingbufConsole * @brief BPMP->Host response data for request type #CMD_RINGBUF_CONSOLE_WRITE */ struct cmd_ringbuf_console_write_resp { /** @brief Number of bytes of available space in the BPMP RX buffer */ uint32_t space_avail; /** @brief Number of bytes that were written to the BPMP RX buffer */ uint8_t len; } BPMP_ABI_PACKED; /** @private */ struct cmd_ringbuf_console_get_fifo_req { BPMP_ABI_EMPTY } 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 { /** @brief Physical address of the BPMP TX buffer */ uint64_t bpmp_tx_buf_addr; /** @brief Physical address of the BPMP TX buffer head counter */ uint64_t bpmp_tx_head_addr; /** @brief Physical address of the BPMP TX buffer tail counter */ uint64_t bpmp_tx_tail_addr; /** @brief Length of the BPMP TX buffer */ uint32_t bpmp_tx_buf_len; } 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 { /** * @brief Type of request. Values listed in enum * #mrq_ringbuf_console_host_to_bpmp_cmd. */ uint32_t type; /** @brief request type specific parameters. */ union { struct cmd_ringbuf_console_query_abi_req query_abi; struct cmd_ringbuf_console_read_req read; struct cmd_ringbuf_console_write_req write; struct cmd_ringbuf_console_get_fifo_req get_fifo; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** * @ingroup RingbufConsole * @brief Host->BPMP reply data * * In response to struct #mrq_ringbuf_console_host_to_bpmp_request. */ union mrq_ringbuf_console_bpmp_to_host_response { struct cmd_ringbuf_console_query_abi_resp query_abi; struct cmd_ringbuf_console_read_resp read; struct cmd_ringbuf_console_write_resp write; struct cmd_ringbuf_console_get_fifo_resp get_fifo; } BPMP_ABI_PACKED; /** @} RingbufConsole */ /** @endcond */ /** @cond (!bpmp_t186 && !(bpmp_safe && bpmp_t234)) * @ingroup MRQ_Codes * @def MRQ_STRAP * @brief Set a strap value controlled by BPMP * * * 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 registers via #MRQ_STRAP. * * @{ */ /** * @brief Sub-command identifiers for the #MRQ_STRAP -command. */ enum mrq_strap_cmd { /** @private */ STRAP_RESERVED = 0, /** @brief Set a strap value */ STRAP_SET = 1 }; /** * @brief Request payload for the #MRQ_STRAP -command. */ struct mrq_strap_request { /** @brief Sub-command identifier from @ref mrq_strap_cmd */ uint32_t cmd; /** * @if (bpmp_t234 || bpmp_th500 || bpmp_t264) * @brief Strap ID from @ref bpmp_strap_ids * @else * @brief Strap ID (undefined) * @endif */ uint32_t id; /** @brief Desired value for strap (if #cmd is #STRAP_SET) */ uint32_t value; } BPMP_ABI_PACKED; /** @} Strap */ /** @endcond */ /** @cond (bpmp_t194 || bpmp_t234 || bpmp_th500) * @ingroup MRQ_Codes * @def MRQ_UPHY * @brief Perform a UPHY operation * * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_uphy_request * * Response Payload: @ref mrq_uphy_response * * @addtogroup UPHY * @{ */ /** * @brief Sub-command identifiers for #MRQ_UPHY. */ enum mrq_uphy_cmd { /** @brief Trigger PCIE lane margining procedure. */ CMD_UPHY_PCIE_LANE_MARGIN_CONTROL = 1, /** @brief Return PCIE lane margining status. */ CMD_UPHY_PCIE_LANE_MARGIN_STATUS = 2, /** @brief Initialize PCIE EP PLL controller. */ CMD_UPHY_PCIE_EP_CONTROLLER_PLL_INIT = 3, /** @brief Set state of the PCIE RP/EP controller. */ CMD_UPHY_PCIE_CONTROLLER_STATE = 4, /** @brief Disable PCIE EP PLL controller. */ CMD_UPHY_PCIE_EP_CONTROLLER_PLL_OFF = 5, /** * @cond bpmp_t238 * @brief Initialize and enable UPHY display port. */ CMD_UPHY_DISPLAY_PORT_INIT = 6, /** @brief Disable UPHY display port. */ CMD_UPHY_DISPLAY_PORT_OFF = 7, /** @brief Trigger sequence to restore XUSB DYN lanes during SC7 exit. */ CMD_UPHY_XUSB_DYN_LANES_RESTORE = 8, /** @endcond */ /** * @cond bpmp_th500 * @brief Perform UPHY Lane EOM scan. */ CMD_UPHY_LANE_EOM_SCAN = 9, /** @brief Config PCIe VDM with a given BDF ID. */ CMD_UPHY_PCIE_CONFIG_VDM = 10, /** @endcond */ CMD_UPHY_MAX, }; /** * @brief Request payload for #MRQ_UPHY sub-command #CMD_UPHY_PCIE_LANE_MARGIN_CONTROL. */ struct cmd_uphy_margin_control_request { /** * @brief Enable margin. * * Valid values: * * Value 0 disables margin, * * Value 1 enables margin. */ int32_t en; /** * @brief Clear the number of error and sections. * * Valid values: * * * Value 0: Skip clear, * * Value 1: Perform clear. */ int32_t clr; /** * @brief Set x offset (1's complement) for left/right margin type (y should be 0). * * Valid range is [0, 127] */ uint32_t x; /** * @brief Set y offset (1's complement) for left/right margin type (x should be 0) * * Valid range is [0, 63] */ uint32_t y; /** * @brief Set number of bit blocks for each margin section. * * Valid range is [0, 15] */ uint32_t nblks; } BPMP_ABI_PACKED; /** * @brief Response payload for #MRQ_UPHY sub-command #CMD_UPHY_PCIE_LANE_MARGIN_STATUS. */ struct cmd_uphy_margin_status_response { /** @brief Number of errors observed */ uint32_t status; } BPMP_ABI_PACKED; /** * @brief Request payload for #MRQ_UPHY sub-command #CMD_UPHY_PCIE_EP_CONTROLLER_PLL_INIT. */ struct cmd_uphy_ep_controller_pll_init_request { /** @brief EP controller number, T194 valid: 0, 4, 5; T234 valid: 5, 6, 7, 10; T238 valid: 0 */ uint8_t ep_controller; } BPMP_ABI_PACKED; /** * @brief Request payload for #MRQ_UPHY sub-command #CMD_UPHY_PCIE_CONTROLLER_STATE. */ struct cmd_uphy_pcie_controller_state_request { /** @brief PCIE controller number, T194 valid: 0-4; T234 valid: 0-10; T238 valid: 0-3 */ uint8_t pcie_controller; /** @brief Nonzero value to enable controller, zero value to disable */ uint8_t enable; } BPMP_ABI_PACKED; /** * @brief Request payload for #MRQ_UPHY sub-command #CMD_UPHY_PCIE_EP_CONTROLLER_PLL_OFF. */ struct cmd_uphy_ep_controller_pll_off_request { /** @brief EP controller number, T194 valid: 0, 4, 5; T234 valid: 5, 6, 7, 10; T238 valid: 0 */ uint8_t ep_controller; } BPMP_ABI_PACKED; /** * @cond bpmp_t238 * @brief Request payload for #MRQ_UPHY sub-command #CMD_UPHY_DISPLAY_PORT_INIT. */ struct cmd_uphy_display_port_init_request { /** @brief DisplayPort link rate, T238 valid: 1620, 2700, 5400, 8100, 2160, 2430, 3240, 4320, 6750 */ uint16_t link_rate; /** @brief 1: lane 0; 2: lane 1; 3: lane 0 and 1 */ uint16_t lanes_bitmap; } BPMP_ABI_PACKED; /** * @brief Request payload for #MRQ_UPHY sub-command #CMD_UPHY_XUSB_DYN_LANES_RESTORE. */ struct cmd_uphy_xusb_dyn_lanes_restore_request { /** @brief 1: lane 0; 2: lane 1; 3: lane 0 and 1 */ uint16_t lanes_bitmap; } BPMP_ABI_PACKED; /** @endcond */ /** * @cond bpmp_th500 * @brief Request payload for #MRQ_UPHY sub-command #CMD_UPHY_LANE_EOM_SCAN */ struct cmd_uphy_lane_eom_scan_request { /** @brief UPHY brick number, valid: 0-5 */ uint32_t brick; /** @brief UPHY lane number, valid: 0-15 for UPHY0-UPHY3, 0-1 for UPHY4-UPHY5 */ uint32_t lane; /** @brief Perform EOM for PCIE GEN5 link: 1 for yes, 0 for no. */ uint32_t pcie_gen5; } BPMP_ABI_PACKED; /** * @brief Response payload for #MRQ_UPHY sub-command #CMD_UPHY_LANE_EOM_SCAN */ struct cmd_uphy_lane_eom_scan_response { uint32_t data; } BPMP_ABI_PACKED; /** * @brief Request payload for #MRQ_UPHY sub-command #CMD_UPHY_PCIE_CONFIG_VDM */ struct cmd_uphy_pcie_config_vdm_request { uint8_t pcie_controller; /** * @brief Bus/Dev/Func ID to be programmed for VDM. * * - bits[15..8] Bus * - bits[7..3] Dev * - bit [2..0] Func */ uint16_t bdf; } BPMP_ABI_PACKED; /** @endcond */ /** * @ingroup UPHY * @brief Request payload for the #MRQ_UPHY -command. * * 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 |#cmd_uphy_margin_control_request | * |#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 | * * @cond bpmp_t238 * The following additional sub-commands are supported on T238 platforms: * * |sub-command |payload | * |--------------------------------------|-----------------------------------------| * |#CMD_UPHY_DISPLAY_PORT_INIT |#cmd_uphy_display_port_init_request | * |#CMD_UPHY_DISPLAY_PORT_OFF |- | * |#CMD_UPHY_XUSB_DYN_LANES_RESTORE |#cmd_uphy_xusb_dyn_lanes_restore_request | * @endcond * * @cond bpmp_th500 * The following additional sub-commands are supported on TH500 platforms: * |sub-command |payload | * |--------------------------------------|-----------------------------------------| * |#CMD_UPHY_LANE_EOM_SCAN |#cmd_uphy_lane_eom_scan_request | * |#CMD_UPHY_PCIE_CONFIG_VDM |#cmd_uphy_pcie_config_vdm_request | * @endcond */ struct mrq_uphy_request { /** @brief Lane number. */ uint16_t lane; /** @brief Sub-command ID from @ref mrq_uphy_cmd. */ uint16_t cmd; union { struct cmd_uphy_margin_control_request uphy_set_margin_control; struct cmd_uphy_ep_controller_pll_init_request ep_ctrlr_pll_init; struct cmd_uphy_pcie_controller_state_request controller_state; struct cmd_uphy_ep_controller_pll_off_request ep_ctrlr_pll_off; /** @cond bpmp_t238 */ struct cmd_uphy_display_port_init_request display_port_init; struct cmd_uphy_xusb_dyn_lanes_restore_request xusb_dyn_lanes_restore; /** @endcond */ /** @cond bpmp_th500 */ struct cmd_uphy_lane_eom_scan_request lane_eom_scan; struct cmd_uphy_pcie_config_vdm_request pcie_vdm; /** @endcond */ } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** * @ingroup UPHY * @brief Response payload for the #MRQ_UPHY -command. * * 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 |#cmd_uphy_margin_status_response | * * @cond bpmp_th500 * The following additional sub-commands are supported on TH500 platforms: * |sub-command |payload | * |-----------------------------------|---------------------------------| * |#CMD_UPHY_LANE_EOM_SCAN |#cmd_uphy_lane_eom_scan_response | * |#CMD_UPHY_PCIE_CONFIG_VDM |- | * @endcond */ struct mrq_uphy_response { union { struct cmd_uphy_margin_status_response uphy_get_margin_status; /** @cond bpmp_th500 */ struct cmd_uphy_lane_eom_scan_response eom_status; /** @endcond */ } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** @} UPHY */ /** @endcond */ /** @cond (bpmp_t194 || bpmp_t234 || bpmp_t238 || bpmp_t264) * @ingroup MRQ_Codes * @def MRQ_FMON * @brief Perform a frequency monitor configuration operation * * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_fmon_request * * Response Payload: @ref mrq_fmon_response * * @addtogroup FMON * @{ */ /** * @brief Sub-command identifiers for #MRQ_FMON */ enum mrq_fmon_cmd { /** * @brief Clamp FMON configuration to specified rate. * * The monitored clock must be running for clamp to succeed. If * clamped, FMON configuration is preserved when clock rate * and/or state is changed. * * mrq_response::err for this sub-command is defined to be: * * | Value | Description | * |-------------------|---------------------------------------------------| * | 0 | Operation was successful. | * | -#BPMP_EBADCMD | Subcommand is not supported. | * | -#BPMP_EACCES | FMON access error. | * | -#BPMP_EBADSLT | Clamp FMON on cluster with auto-CC3 enabled. | * | -#BPMP_EBUSY | FMON is already clamped at different rate. | * | -#BPMP_EFAULT | Self-diagnostic error detected. | * | -#BPMP_EINVAL | Invalid FMON configuration. | * | -#BPMP_EOPNOTSUPP | Not in production mode. | * | -#BPMP_ENODEV | Invalid clock ID in mrq_fmon_request::cmd_and_id. | * | -#BPMP_ENOENT | No calibration data, uninitialized. | * | -#BPMP_ENOTSUP | AVFS config not set. | * | -#BPMP_ENOSYS | Clamp FMON on cluster clock w/ no NAFLL. | * | -#BPMP_ETIMEDOUT | Operation timed out. | */ CMD_FMON_GEAR_CLAMP = 1, /** * @brief Release clamped FMON configuration. * * Allow FMON configuration to follow monitored clock rate * and/or state changes. * * mrq_response::err for this sub-command is defined to be: * * | Value | Description | * |-------------------|---------------------------------------------------| * | 0 | Operation was successful. | * | -#BPMP_EBADCMD | Subcommand is not supported. | * | -#BPMP_ENODEV | Invalid clock ID in mrq_fmon_request::cmd_and_id. | * | -#BPMP_ENOENT | No calibration data, uninitialized. | * | -#BPMP_ENOTSUP | AVFS config not set. | * | -#BPMP_EOPNOTSUPP | Not in production mode. | */ CMD_FMON_GEAR_FREE = 2, /** * @brief Return rate FMON is clamped at, or 0 if FMON is not clamped. * * Inherently racy, since clamp state can be changed concurrently, * only provided and useful for testing purposes. * * mrq_response::err for this sub-command is defined to be: * * | Value | Description | * |-------------------|---------------------------------------------------| * | 0 | Operation was successful. | * | -#BPMP_EBADCMD | Subcommand is not supported. | * | -#BPMP_ENODEV | Invalid clock ID in mrq_fmon_request::cmd_and_id. | * | -#BPMP_ENOENT | No calibration data, uninitialized. | * | -#BPMP_ENOTSUP | AVFS config not set. | * | -#BPMP_EOPNOTSUPP | Not in production mode. | */ CMD_FMON_GEAR_GET = 3, /** * @brief Return current status of FMON faults detected by FMON * HW or SW since last invocation of this sub-command. * Clears fault status. * * mrq_response::err for this sub-command is defined to be: * * | Value | Description | * |-------------------|---------------------------------------------------| * | 0 | Operation was successful. | * | -#BPMP_EBADCMD | Subcommand is not supported. | * | -#BPMP_ENODEV | Invalid clock ID in mrq_fmon_request::cmd_and_id. | * | -#BPMP_ENOENT | No calibration data, uninitialized. | * | -#BPMP_ENOTSUP | AVFS config not set. | * | -#BPMP_EOPNOTSUPP | Not in production mode. | * | -#BPMP_EINVAL | Invalid fault type. | */ CMD_FMON_FAULT_STS_GET = 4, }; /** * @cond DEPRECATED * Kept for backward compatibility */ #define CMD_FMON_NUM 4 /** @endcond */ /** * @defgroup fmon_fault_type FMON fault types * @addtogroup fmon_fault_type * @{ */ /** @brief All detected FMON faults (HW or SW) */ #define FMON_FAULT_TYPE_ALL 0U /** @brief FMON faults detected by HW */ #define FMON_FAULT_TYPE_HW 1U /** @brief FMON faults detected by SW */ #define FMON_FAULT_TYPE_SW 2U /** @} fmon_fault_type */ /** * @brief Request payload for #MRQ_FMON sub-command #CMD_FMON_GEAR_CLAMP. */ struct cmd_fmon_gear_clamp_request { /** @brief Unused / reserved */ int32_t unused; /** @brief Target rate in Hz. Valid range for the rate is [1, INT64_MAX] */ int64_t rate; } BPMP_ABI_PACKED; /** @private */ struct cmd_fmon_gear_clamp_response { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; /** @private */ struct cmd_fmon_gear_free_request { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; /** @private */ struct cmd_fmon_gear_free_response { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; /** @private */ struct cmd_fmon_gear_get_request { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; /** * @brief Response payload for #MRQ_FMON sub-command #CMD_FMON_GEAR_GET. */ struct cmd_fmon_gear_get_response { int64_t rate; } BPMP_ABI_PACKED; /** * @brief Request payload for #MRQ_FMON sub-command #CMD_FMON_FAULT_STS_GET */ struct cmd_fmon_fault_sts_get_request { /** * @brief Which fault types to return in response: * * | Value | Description | * |----------------------|-----------------------------------------| * | #FMON_FAULT_TYPE_ALL | Return all detected faults (HW and SW). | * | #FMON_FAULT_TYPE_HW | Return only HW detected faults. | * | #FMON_FAULT_TYPE_SW | Return only SW detected faults. | */ uint32_t fault_type; } BPMP_ABI_PACKED; /** * @brief Response payload for #MRQ_FMON sub-command #CMD_FMON_FAULT_STS_GET */ struct cmd_fmon_fault_sts_get_response { /** * Bitmask of detected HW / SW specific faults, or 0 if no faults have * been detected since last invocation of #CMD_FMON_FAULT_STS_GET. */ uint32_t fault_sts; } BPMP_ABI_PACKED; /** * @ingroup FMON * @brief Request payload for the #MRQ_FMON -command. * * Used by the sender of an #MRQ_FMON message to configure clock * frequency monitors. The FMON request is split into several * sub-commands. Sub-command specific payloads are defined in * the following table: * * |Sub-command |Payload | * |------------------------|--------------------------------| * |#CMD_FMON_GEAR_CLAMP |#cmd_fmon_gear_clamp_request | * |#CMD_FMON_GEAR_FREE |- | * |#CMD_FMON_GEAR_GET |- | * |#CMD_FMON_FAULT_STS_GET |#cmd_fmon_fault_sts_get_request | * */ struct mrq_fmon_request { /** * @brief Sub-command and clock id concatenated to 32-bit word. * * - bits[31..24] -> Sub-command identifier from @ref mrq_fmon_cmd. * - bits[23..0] -> Monitored clock identifier used to select target FMON. */ uint32_t cmd_and_id; union { struct cmd_fmon_gear_clamp_request fmon_gear_clamp; /** @private */ struct cmd_fmon_gear_free_request fmon_gear_free; /** @private */ struct cmd_fmon_gear_get_request fmon_gear_get; struct cmd_fmon_fault_sts_get_request fmon_fault_sts_get; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** * @ingroup FMON * @brief Response payload for the #MRQ_FMON -command. * * 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 |#cmd_fmon_gear_get_response | * |#CMD_FMON_FAULT_STS_GET |#cmd_fmon_fault_sts_get_response | * */ struct mrq_fmon_response { union { /** @private */ struct cmd_fmon_gear_clamp_response fmon_gear_clamp; /** @private */ struct cmd_fmon_gear_free_response fmon_gear_free; struct cmd_fmon_gear_get_response fmon_gear_get; struct cmd_fmon_fault_sts_get_response fmon_fault_sts_get; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** @} FMON */ /** @endcond */ /** @cond (bpmp_t194) * @ingroup MRQ_Codes * @def MRQ_EC * @brief Provide status information on faults reported by Error * Collator (EC) to HSM. * * * 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 * * @addtogroup EC * @{ */ enum { /** * @cond DEPRECATED * @brief Retrieve specified EC status. * * mrq_response::err is 0 if the operation was successful, or @n * -#BPMP_ENODEV if target EC is not owned by BPMP @n * -#BPMP_EACCES if target EC power domain is turned off @n * -#BPMP_EBADCMD if subcommand is not supported * @endcond */ CMD_EC_STATUS_GET = 1, /* deprecated */ /** * @brief Retrieve specified EC extended status (includes error * counter and user values). * * mrq_response::err is 0 if the operation was successful, or @n * -#BPMP_ENODEV if target EC is not owned by BPMP @n * -#BPMP_EACCES if target EC power domain is turned off @n * -#BPMP_EBADCMD if subcommand is not supported */ CMD_EC_STATUS_EX_GET = 2, CMD_EC_NUM, }; /** @brief BPMP ECs error types */ enum bpmp_ec_err_type { /** @brief Parity error on internal data path * * Error descriptor @ref ec_err_simple_desc. */ EC_ERR_TYPE_PARITY_INTERNAL = 1, /** @brief ECC SEC error on internal data path * * Error descriptor @ref ec_err_simple_desc. */ EC_ERR_TYPE_ECC_SEC_INTERNAL = 2, /** @brief ECC DED error on internal data path * * Error descriptor @ref ec_err_simple_desc. */ EC_ERR_TYPE_ECC_DED_INTERNAL = 3, /** @brief Comparator error * * Error descriptor @ref ec_err_simple_desc. */ EC_ERR_TYPE_COMPARATOR = 4, /** @brief Register parity error * * Error descriptor @ref ec_err_reg_parity_desc. */ EC_ERR_TYPE_REGISTER_PARITY = 5, /** @brief Parity error from on-chip SRAM/FIFO * * Error descriptor @ref ec_err_simple_desc. */ EC_ERR_TYPE_PARITY_SRAM = 6, /** @brief Clock Monitor error * * Error descriptor @ref ec_err_fmon_desc. */ EC_ERR_TYPE_CLOCK_MONITOR = 9, /** @brief Voltage Monitor error * * Error descriptor @ref ec_err_vmon_desc. */ EC_ERR_TYPE_VOLTAGE_MONITOR = 10, /** @brief SW Correctable error * * Error descriptor @ref ec_err_sw_error_desc. */ EC_ERR_TYPE_SW_CORRECTABLE = 16, /** @brief SW Uncorrectable error * * Error descriptor @ref ec_err_sw_error_desc. */ EC_ERR_TYPE_SW_UNCORRECTABLE = 17, /** @brief Other HW Correctable error * * Error descriptor @ref ec_err_simple_desc. */ EC_ERR_TYPE_OTHER_HW_CORRECTABLE = 32, /** @brief Other HW Uncorrectable error * * Error descriptor @ref ec_err_simple_desc. */ EC_ERR_TYPE_OTHER_HW_UNCORRECTABLE = 33, }; /** @brief Group of registers with parity error. */ enum ec_registers_group { /** @brief Functional registers group */ EC_ERR_GROUP_FUNC_REG = 0U, /** @brief SCR registers group */ EC_ERR_GROUP_SCR_REG = 1U, }; /** * @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 0x0001U /** @brief Last EC error found flag */ #define EC_STATUS_FLAG_LAST_ERROR 0x0002U /** @brief EC latent error flag */ #define EC_STATUS_FLAG_LATENT_ERROR 0x0004U /** @} 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 0x0001U /** @brief EC descriptor failed to retrieve id flag */ #define EC_DESC_FLAG_NO_ID 0x0002U /** @} 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 { /** @brief Bitmask of @ref bpmp_ec_desc_flags */ uint16_t desc_flags; /** @brief FMON monitored clock id */ uint16_t fmon_clk_id; /** * @brief Bitmask of fault flags * * @ref bpmp_fmon_faults_flags */ uint32_t fmon_faults; /** @brief FMON faults access error */ int32_t fmon_access_error; } BPMP_ABI_PACKED; /** * | error type | vmon_adc_id values | * |---------------------------------|---------------------------| * |@ref EC_ERR_TYPE_VOLTAGE_MONITOR |@ref bpmp_adc_ids | */ struct ec_err_vmon_desc { /** @brief Bitmask of @ref bpmp_ec_desc_flags */ uint16_t desc_flags; /** @brief VMON rail adc id */ uint16_t vmon_adc_id; /** @brief Bitmask of bpmp_vmon_faults_flags */ uint32_t vmon_faults; /** @brief VMON faults access error */ int32_t vmon_access_error; } BPMP_ABI_PACKED; /** * |error type | reg_id values | * |---------------------------------|-----------------------| * |@ref EC_ERR_TYPE_REGISTER_PARITY | bpmp_ec_registers_ids | */ struct ec_err_reg_parity_desc { /** @brief Bitmask of @ref bpmp_ec_desc_flags */ uint16_t desc_flags; /** @brief Register id */ uint16_t reg_id; /** @brief Register group @ref ec_registers_group */ uint16_t reg_group; } 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 { /** @brief Bitmask of @ref bpmp_ec_desc_flags */ uint16_t desc_flags; /** @brief Error source id */ uint16_t err_source_id; /** @brief Sw error data */ uint32_t sw_error_data; } 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 { /** @brief Bitmask of @ref bpmp_ec_desc_flags */ uint16_t desc_flags; /** @brief Error source id. Id space depends on error type. */ uint16_t err_source_id; } BPMP_ABI_PACKED; /** @brief Union of EC error descriptors */ union ec_err_desc { struct ec_err_fmon_desc fmon_desc; struct ec_err_vmon_desc vmon_desc; struct ec_err_reg_parity_desc reg_parity_desc; struct ec_err_sw_error_desc sw_error_desc; struct ec_err_simple_desc simple_desc; } BPMP_ABI_PACKED; struct cmd_ec_status_get_request { /** @brief HSM error line number that identifies target EC. */ uint32_t ec_hsm_id; } BPMP_ABI_PACKED; /** EC status maximum number of descriptors */ #define EC_ERR_STATUS_DESC_MAX_NUM 4U /** * @cond DEPRECATED */ struct cmd_ec_status_get_response { /** @brief Target EC id (the same id received with request). */ uint32_t ec_hsm_id; /** * @brief Bitmask of @ref bpmp_ec_status_flags * * If NO_ERROR flag is set, error_ fields should be ignored */ uint32_t ec_status_flags; /** @brief Found EC error index. */ uint32_t error_idx; /** @brief Found EC error type @ref bpmp_ec_err_type. */ uint32_t error_type; /** @brief Number of returned EC error descriptors */ uint32_t error_desc_num; /** @brief EC error descriptors */ union ec_err_desc error_descs[EC_ERR_STATUS_DESC_MAX_NUM]; } BPMP_ABI_PACKED; /** @endcond */ struct cmd_ec_status_ex_get_response { /** @brief Target EC id (the same id received with request). */ uint32_t ec_hsm_id; /** * @brief Bitmask of @ref bpmp_ec_status_flags * * If NO_ERROR flag is set, error_ fields should be ignored */ uint32_t ec_status_flags; /** @brief Found EC error index. */ uint32_t error_idx; /** @brief Found EC error type @ref bpmp_ec_err_type. */ uint32_t error_type; /** @brief Found EC mission error counter value */ uint32_t error_counter; /** @brief Found EC mission error user value */ uint32_t error_uval; /** @brief Reserved entry */ uint32_t reserved; /** @brief Number of returned EC error descriptors */ uint32_t error_desc_num; /** @brief EC error descriptors */ union ec_err_desc error_descs[EC_ERR_STATUS_DESC_MAX_NUM]; } 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 * * |sub-command |payload | * |----------------------------|-----------------------| * |@ref CMD_EC_STATUS_EX_GET |ec_status_get | * */ struct mrq_ec_request { /** @brief Sub-command id. */ uint32_t cmd_id; union { struct cmd_ec_status_get_request ec_status_get; } BPMP_UNION_ANON; } 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 * * |sub-command |payload | * |----------------------------|------------------------| * |@ref CMD_EC_STATUS_EX_GET |ec_status_ex_get | * */ struct mrq_ec_response { union { /** * @cond DEPRECATED */ struct cmd_ec_status_get_response ec_status_get; /** @endcond */ struct cmd_ec_status_ex_get_response ec_status_ex_get; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** @} EC */ /** @endcond */ /** @cond (bpmp_th500) * @ingroup MRQ_Codes * @def MRQ_TELEMETRY * @brief Get address of memory buffer refreshed with recently sampled * telemetry data * * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: N/A * * Response Payload: @ref mrq_telemetry_response * @addtogroup Telemetry * @{ */ /** * @brief Response payload for the #MRQ_TELEMETRY -command * * mrq_response::err is defined as: * * | Value | Description | * |-----------------|------------------------------------------------------------| * | 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 { /** @brief Physical address of telemetry data buffer */ uint64_t data_buf_addr; /**< see @ref bpmp_telemetry_layout */ } BPMP_ABI_PACKED; /** @} Telemetry */ /** @endcond */ /** @cond (bpmp_tb500) * @ingroup MRQ_Codes * @def MRQ_TELEMETRY_EX * @brief Get telemetry configuration settings. * * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_telemetry_ex_request * * Response Payload: @ref mrq_telemetry_ex_response * * @addtogroup Telemetry_ex * @{ */ /** * @brief Sub-command identifiers for #MRQ_TELEMETRY_EX. */ enum mrq_telemetry_ex_cmd { /** * @brief Check whether the BPMP-FW supports the specified * #MRQ_TELEMETRY_EX sub-command. * * mrq_response::err is 0 if the specified request is * supported and -#BPMP_ENODEV otherwise. */ CMD_TELEMETRY_EX_QUERY_ABI = 0, /** * @brief Get telemetry buffer base address and data size * * mrq_response:err is defined as: * * | Value | Description | * |----------------|------------------------------------------------| * | 0 | Success | * | -#BPMP_ENODEV | #MRQ_TELEMETRY_EX is not supported by BPMP-FW. | */ CMD_TELEMETRY_EX_BASE_SZ_GET = 1, }; /** * @brief Request data for #MRQ_TELEMETRY_EX sub-command * #CMD_TELEMETRY_EX_QUERY_ABI */ struct cmd_telemetry_ex_query_abi_request { /** @brief Sub-command identifier from @ref mrq_telemetry_ex_cmd */ uint32_t cmd_code; } BPMP_ABI_PACKED; /** * @brief Response payload for #MRQ_TELEMETRY_EX sub-command * #CMD_TELEMETRY_EX_BASE_SZ_GET */ struct cmd_telemetry_ex_base_sz_get_response { /** * @brief Physical address of telemetry data buffer * * 0 if no buffer is allocated for the initiator sending MRQ. */ uint64_t buf_base_addr; /** @brief Telemetry data size in bytes */ uint32_t buf_size; } BPMP_ABI_PACKED; /** * @brief Request payload for the #MRQ_TELEMETRY_EX -command * * | Sub-command | Request payload | * |-------------------------------|----------------------------------------| * | #CMD_TELEMETRY_EX_QUERY_ABI | #cmd_telemetry_ex_query_abi_request | * | #CMD_TELEMETRY_EX_BASE_SZ_GET | - | */ struct mrq_telemetry_ex_request { /** @brief Sub-command ID from @ref mrq_telemetry_ex_cmd. */ uint32_t cmd; union { struct cmd_telemetry_ex_query_abi_request telemetry_ex_query_abi_req; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** * @brief Response payload for the #MRQ_TELEMETRY_EX -command. * * | Sub-command | Response payload | * |-------------------------------|----------------------------------------| * | #CMD_TELEMETRY_EX_QUERY_ABI | - | * | #CMD_TELEMETRY_EX_BASE_SZ_GET | #cmd_telemetry_ex_base_sz_get_response | */ struct mrq_telemetry_ex_response { union { struct cmd_telemetry_ex_base_sz_get_response telemetry_ex_base_sz_get_rsp; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** @} Telemetry_ex */ /** @endcond */ /** @cond (bpmp_th500 || bpmp_tb500) * @ingroup MRQ_Codes * @def MRQ_PWR_LIMIT * @brief Control power limits. * * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_pwr_limit_request * * Response Payload: @ref mrq_pwr_limit_response * * @addtogroup Pwrlimit * @{ */ /** * @brief Sub-command identifiers for #MRQ_PWR_LIMIT. */ enum mrq_pwr_limit_cmd { /** * @brief Check whether the BPMP-FW supports the specified * #MRQ_PWR_LIMIT sub-command. * * mrq_response::err is 0 if the specified request is * supported and -#BPMP_ENODEV otherwise. */ CMD_PWR_LIMIT_QUERY_ABI = 0, /** * @brief Set power limit * * mrq_response:err is defined as: * * | Value | Description | * |----------------|---------------------------------------------| * | 0 | Success | * | -#BPMP_ENODEV | #MRQ_PWR_LIMIT is not supported by BPMP-FW. | * | -#BPMP_EINVAL | Invalid request parameters. | * | -#BPMP_EACCES | Request is not accepted. | */ CMD_PWR_LIMIT_SET = 1, /** * @brief Get power limit setting * * mrq_response:err is defined as: * * | Value | Description | * |----------------|---------------------------------------------| * | 0 | Success | * | -#BPMP_ENODEV | #MRQ_PWR_LIMIT is not supported by BPMP-FW. | * | -#BPMP_EINVAL | Invalid request parameters. | */ CMD_PWR_LIMIT_GET = 2, /** * @brief Get current aggregated power cap * * Get currently applied power cap for the specified limit id * aggregated across all limit sources and types. * * mrq_response:err is defined as: * * | Value | Description | * |----------------|---------------------------------------------| * | 0 | Success | * | -#BPMP_ENODEV | #MRQ_PWR_LIMIT is not supported by BPMP-FW. | * | -#BPMP_EINVAL | Invalid request parameters. | */ CMD_PWR_LIMIT_CURR_CAP = 3, }; /** * @defgroup bpmp_pwr_limit_type PWR_LIMIT TYPEs * @{ */ /** @brief Limit value specifies target cap */ #define PWR_LIMIT_TYPE_TARGET_CAP 0U /** @brief Limit value specifies maximum possible target cap */ #define PWR_LIMIT_TYPE_BOUND_MAX 1U /** @brief Limit value specifies minimum possible target cap */ #define PWR_LIMIT_TYPE_BOUND_MIN 2U /** @brief Number of limit types supported by #MRQ_PWR_LIMIT command */ #define PWR_LIMIT_TYPE_NUM 3U /** @} bpmp_pwr_limit_type */ /** * @brief Request data for #MRQ_PWR_LIMIT command CMD_PWR_LIMIT_QUERY_ABI */ struct cmd_pwr_limit_query_abi_request { /** @brief Sub-command identifier from @ref mrq_pwr_limit_cmd */ uint32_t cmd_code; } 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 { /** @brief Power limit identifier from @ref bpmp_pwr_limit_id */ uint32_t limit_id; /** @brief Power limit source identifier from @ref bpmp_pwr_limit_src */ uint32_t limit_src; /**< @ref bpmp_pwr_limit_src */ /** @brief Power limit type from @ref bpmp_pwr_limit_type */ uint32_t limit_type; /** @brief New power limit value */ uint32_t limit_setting; } BPMP_ABI_PACKED; /** * @brief Request payload for #MRQ_PWR_LIMIT sub-command #CMD_PWR_LIMIT_GET * * Get previously set from specified source specified limit value of specified * type. */ struct cmd_pwr_limit_get_request { /** @brief Power limit identifier from @ref bpmp_pwr_limit_id */ uint32_t limit_id; /** @brief Power limit source identifier from @ref bpmp_pwr_limit_src */ uint32_t limit_src; /**< @ref bpmp_pwr_limit_src */ /** @brief Power limit type from @ref bpmp_pwr_limit_type */ uint32_t limit_type; } BPMP_ABI_PACKED; /** * @brief Response payload for #MRQ_PWR_LIMIT sub-command #CMD_PWR_LIMIT_GET */ struct cmd_pwr_limit_get_response { /** @brief Power limit value */ uint32_t limit_setting; } BPMP_ABI_PACKED; /** * @brief Request payload for #MRQ_PWR_LIMIT sub-command #CMD_PWR_LIMIT_CURR_CAP * * For specified limit get current power cap aggregated from all sources. */ struct cmd_pwr_limit_curr_cap_request { /** @brief Power limit identifier from @ref bpmp_pwr_limit_id */ uint32_t limit_id; } BPMP_ABI_PACKED; /** * @brief Response payload for #MRQ_PWR_LIMIT sub-command #CMD_PWR_LIMIT_CURR_CAP */ struct cmd_pwr_limit_curr_cap_response { /** @brief Current power cap value */ uint32_t curr_cap; } BPMP_ABI_PACKED; /** * @brief Request payload for the #MRQ_PWR_LIMIT -command * * | Sub-command | Request 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 { uint32_t cmd; union { struct cmd_pwr_limit_query_abi_request pwr_limit_query_abi_req; struct cmd_pwr_limit_set_request pwr_limit_set_req; struct cmd_pwr_limit_get_request pwr_limit_get_req; struct cmd_pwr_limit_curr_cap_request pwr_limit_curr_cap_req; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** * @brief Response payload for the #MRQ_PWR_LIMIT -command. * * | Sub-command | Response 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 { union { struct cmd_pwr_limit_get_response pwr_limit_get_rsp; struct cmd_pwr_limit_curr_cap_response pwr_limit_curr_cap_rsp; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** @} Pwrlimit */ /** @endcond */ /** @cond (bpmp_th500) * @ingroup MRQ_Codes * @def MRQ_PWRMODEL * @brief Retrieve power evaluted by SoC power model. * * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_pwrmodel_request * * Response Payload: @ref mrq_pwrmodel_response * * @addtogroup Pwrmodel * @{ */ /** * @brief Sub-command identifiers for #MRQ_PWRMODEL. */ enum mrq_pwrmodel_cmd { /** * @brief Check whether the BPMP-FW supports the specified * #MRQ_PWRMODEL sub-command. * * mrq_response::err is 0 if the specified request is * supported and -#BPMP_ENODEV otherwise. */ CMD_PWRMODEL_QUERY_ABI = 0, /** * @brief Get power model output power * * mrq_response:err is defined as: * * | Value | Description | * |----------------|---------------------------------------------| * | 0 | Success | * | -#BPMP_ENODEV | #MRQ_PWRMODEL is not supported by BPMP-FW. | * | -#BPMP_ERANGE | Power model calculation overflow. | */ CMD_PWRMODEL_PWR_GET = 1, }; /** * @brief Request data for #MRQ_PWRMODEL sub-command #CMD_PWRMODEL_QUERY_ABI */ struct cmd_pwrmodel_query_abi_request { /** @brief Sub-command identifier from @ref mrq_pwrmodel_cmd */ uint32_t cmd_code; } BPMP_ABI_PACKED; /** * @brief Request payload for #MRQ_PWRMODEL sub-command #CMD_PWRMODEL_PWR_GET * * Rerieve power evaluated by power model for specified work-load factor, * temperature, and cpu iso frequency for all cores. */ struct cmd_pwrmodel_pwr_get_request { /** @brief Unitless work load factor to evaluate power model at */ uint32_t work_load_factor; /** @brief CPU frequency in kHz to evaluate power model at */ uint32_t cpu_frequency; /** @brief Temperature in mC to evaluate power model at */ int32_t temperature; } BPMP_ABI_PACKED; /** * @brief Response payload for #MRQ_PWRMODEL sub-command #CMD_PWRMODEL_PWR_GET */ struct cmd_pwrmodel_pwr_get_response { /** @brief Power model output in mW */ uint32_t power; } BPMP_ABI_PACKED; /** * @brief Request payload for the #MRQ_PWRMODEL -command * * | Sub-command | Request payload | * |--------------------------|----------------------------------| * | #CMD_PWRMODEL_QUERY_ABI | #cmd_pwrmodel_query_abi_request | * | #CMD_PWRMODEL_PWR_GET | #cmd_pwrmodel_pwr_get_request | */ struct mrq_pwrmodel_request { uint32_t cmd; union { struct cmd_pwrmodel_query_abi_request pwrmodel_query_abi_req; struct cmd_pwrmodel_pwr_get_request pwrmodel_pwr_get_req; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** * @brief Response payload for the #MRQ_PWRMODEL -command. * * | Sub-command | Response payload | * |--------------------------|----------------------------------| * | #CMD_PWRMODEL_QUERY_ABI | - | * | #CMD_PWRMODEL_PWR_GET | #cmd_pwrmodel_pwr_get_response | */ struct mrq_pwrmodel_response { union { struct cmd_pwrmodel_pwr_get_response pwrmodel_pwr_get_rsp; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** @} Pwrmodel */ /** @endcond */ /** @cond (bpmp_th500) * @ingroup MRQ_Codes * @def MRQ_PWR_CNTRL * @brief Configure power controllers. * * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_pwr_cntrl_request * * Response Payload: @ref mrq_pwr_cntrl_response * * @addtogroup Pwrcntrl * @{ */ /** * @brief Sub-command identifiers for #MRQ_PWR_CNTRL. */ enum mrq_pwr_cntrl_cmd { /** * @brief Check whether the BPMP-FW supports the specified * #MRQ_PWR_CNTRL sub-command. * * mrq_response::err is 0 if the specified request is * supported and -#BPMP_ENODEV otherwise. */ CMD_PWR_CNTRL_QUERY_ABI = 0, /** * @brief Switch power controller to/out of bypass mode * * mrq_response:err is defined as: * * | Value | Description | * |----------------|---------------------------------------------| * | 0 | Success | * | -#BPMP_ENODEV | #MRQ_PWR_CNTRL is not supported by BPMP-FW. | * | -#BPMP_EINVAL | Invalid request parameters. | * | -#BPMP_ENOTSUP | Bypass mode is not supported. | */ CMD_PWR_CNTRL_BYPASS_SET = 1, /** * @brief Get power controller bypass mode status * * mrq_response:err is defined as: * * | Value | Description | * |----------------|---------------------------------------------| * | 0 | Success | * | -#BPMP_ENODEV | #MRQ_PWR_CNTRL is not supported by BPMP-FW. | * | -#BPMP_EINVAL | Invalid request parameters. | */ CMD_PWR_CNTRL_BYPASS_GET = 2, }; /** * @brief Request data for #MRQ_PWR_CNTRL sub-command #CMD_PWR_CNTRL_QUERY_ABI */ struct cmd_pwr_cntrl_query_abi_request { /** @brief Sub-command identifier from @ref mrq_pwr_cntrl_cmd */ uint32_t cmd_code; } BPMP_ABI_PACKED; /** * @brief Request data for #MRQ_PWR_CNTRL sub-command #CMD_PWR_CNTRL_BYPASS_SET * * Switch specified power controller to / out of bypass mode provided such * mode is supported by the controller. */ struct cmd_pwr_cntrl_bypass_set_request { /** @brief Power controller identifier from @ref bpmp_pwr_cntrl_id */ uint32_t cntrl_id; /** * @brief Bypass setting. * * Valid values: * * * 1 to enter bypass mode, * * 0 to exit bypass mode. */ uint32_t bypass_setting; } BPMP_ABI_PACKED; /** * @brief Request data for #MRQ_PWR_CNTRL sub-command #CMD_PWR_CNTRL_BYPASS_GET * * Get bypass mode status of the specified power controller. */ struct cmd_pwr_cntrl_bypass_get_request { /** @brief Power controller identifier from @ref bpmp_pwr_cntrl_id */ uint32_t cntrl_id; } BPMP_ABI_PACKED; /** * @brief Response data for #MRQ_PWR_CNTRL sub-command #CMD_PWR_CNTRL_BYPASS_GET * * Get current bypass mode status if such mode is supported by the controller. * Otherwise, return "out of bypass" . */ struct cmd_pwr_cntrl_bypass_get_response { /** * @brief Bypass mode status: 1 controller is in bypass, * 0 controller is out of bypass. */ uint32_t bypass_status; } BPMP_ABI_PACKED; /** * @brief Request payload for the #MRQ_PWR_CNTRL -command * * | Sub-command | Request payload | * |---------------------------|-----------------------------------| * | #CMD_PWR_CNTRL_QUERY_ABI | #cmd_pwr_cntrl_query_abi_request | * | #CMD_PWR_CNTRL_BYPASS_SET | #cmd_pwr_cntrl_bypass_set_request | * | #CMD_PWR_CNTRL_BYPASS_GET | #cmd_pwr_cntrl_bypass_get_request | */ struct mrq_pwr_cntrl_request { uint32_t cmd; union { struct cmd_pwr_cntrl_query_abi_request pwr_cntrl_query_abi_req; struct cmd_pwr_cntrl_bypass_set_request pwr_cntrl_bypass_set_req; struct cmd_pwr_cntrl_bypass_get_request pwr_cntrl_bypass_get_req; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** * @brief Response payload for the #MRQ_PWR_CNTRL -command. * * | Sub-command | Response payload | * |---------------------------|-----------------------------------| * | #CMD_PWR_CNTRL_QUERY_ABI | - | * | #CMD_PWR_CNTRL_BYPASS_SET | - | * | #CMD_PWR_CNTRL_BYPASS_GET | #cmd_pwr_cntrl_bypass_get_response| */ struct mrq_pwr_cntrl_response { union { struct cmd_pwr_cntrl_bypass_get_response pwr_cntrl_bypass_get_rsp; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** @} Pwrcntrl */ /** @endcond */ /** @cond (bpmp_t264) * @ingroup MRQ_Codes * @def MRQ_SLC * @brief Configure SLC state. * * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_slc_request * * Response Payload: @ref mrq_slc_response * * @addtogroup Slc * @{ */ /** * @brief Sub-command identifiers for #MRQ_SLC. */ enum mrq_slc_cmd { /** * @brief Check whether the BPMP-FW supports the specified * #MRQ_SLC sub-command. * * mrq_response::err is 0 if the specified request is * supported and -#BPMP_ENODEV otherwise. */ CMD_SLC_QUERY_ABI = 0, /** * @brief Switch SLC to/out of bypass mode * * mrq_response:err is defined as: * * | Value | Description | * |----------------|---------------------------------------------| * | 0 | Success | * | -#BPMP_ENODEV | #MRQ_SLC is not supported by BPMP-FW. | * | -#BPMP_EINVAL | Invalid request parameters. | * | -#BPMP_ENOTSUP | Bypass mode is not supported. | */ CMD_SLC_BYPASS_SET = 1, /** * @brief Get SLC bypass mode status * * mrq_response:err is defined as: * * | Value | Description | * |----------------|---------------------------------------------| * | 0 | Success | * | -#BPMP_ENODEV | #MRQ_SLC is not supported by BPMP-FW. | */ CMD_SLC_BYPASS_GET = 2, }; /** * @brief Request data for #MRQ_SLC sub-command #CMD_SLC_QUERY_ABI */ struct cmd_slc_query_abi_request { /** @brief Sub-command identifier from @ref mrq_slc_cmd */ uint32_t cmd_code; } BPMP_ABI_PACKED; /** * @brief Request data for #MRQ_SLC sub-command #CMD_SLC_BYPASS_SET * * Switch SLC to / out of bypass mode provided such * mode is supported by the SLC. */ struct cmd_slc_bypass_set_request { /** * @brief Bypass setting. * * Valid values: * * * 1 to enter bypass mode, * * 0 to exit bypass mode. */ uint32_t bypass_setting; } BPMP_ABI_PACKED; /** * @brief Response data for #MRQ_SLC sub-command #CMD_SLC_BYPASS_GET * * Get current bypass mode status if such mode is supported by the SLC. * Otherwise, return "out of bypass" . */ struct cmd_slc_bypass_get_response { /** * @brief Bypass mode status: 1 SLC is in bypass, * 0 SLC is out of bypass. */ uint32_t bypass_status; } BPMP_ABI_PACKED; /** * @brief Request payload for the #MRQ_SLC -command * * | Sub-command | Request payload | * |---------------------------|-----------------------------------| * | #CMD_SLC_QUERY_ABI | #cmd_slc_query_abi_request | * | #CMD_SLC_BYPASS_SET | #cmd_slc_bypass_set_request | * | #CMD_SLC_BYPASS_GET | - | */ struct mrq_slc_request { uint32_t cmd; union { struct cmd_slc_query_abi_request slc_query_abi_req; struct cmd_slc_bypass_set_request slc_bypass_set_req; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** * @brief Response payload for the #MRQ_SLC -command. * * | Sub-command | Response payload | * |---------------------------|-----------------------------------| * | #CMD_SLC_QUERY_ABI | - | * | #CMD_SLC_BYPASS_SET | - | * | #CMD_SLC_BYPASS_GET | #cmd_slc_bypass_get_response | */ struct mrq_slc_response { union { struct cmd_slc_bypass_get_response slc_bypass_get_rsp; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** @} Slc */ /** @endcond */ /** @cond (bpmp_th500) * @ingroup MRQ_Codes * @def MRQ_GEARS * @brief Get thresholds for NDIV offset switching * * * 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 { /** @brief number of online CPUs for each gear */ uint32_t ncpu[8]; /** @brief ndiv offset for each gear */ uint32_t ndiv_offset[8]; /** @brief voltage below which gears are disabled */ uint32_t uv_threshold; } BPMP_ABI_PACKED; /** @} Gears */ /** @endcond */ /** * @ingroup MRQ_Codes * @def MRQ_SHUTDOWN * @brief System shutdown * * This message indicates system shutdown or reboot request. BPMP will * initiate system shutdown/reboot after receiving this message, it * may include turning off some rails in sequence and programming * PMIC. * * * Initiators: CPU_S, MCE * * Targets: BPMP * * Request Payload: @ref mrq_shutdown_request * * Response Payload: N/A * @addtogroup Shutdown * @{ */ /** * @brief Request with #MRQ_SHUTDOWN */ struct mrq_shutdown_request { /** * @brief Shutdown state ID * * Legal values: * * 0 - Power off * * 1 - Reboot * @cond bpmp_t264 * * 2 - Suspend * @endcond */ uint32_t state; } BPMP_ABI_PACKED; /** @} Shutdown */ /** @cond (bpmp_th500 || bpmp_tb500) * @defgroup bpmp_c2c_status C2C link status * @addtogroup bpmp_c2c_status * @{ */ /** @brief initial status code */ #define BPMP_C2C_STATUS_INIT_NOT_STARTED 0 /** @brief Invalid speedo code */ #define BPMP_C2C_STATUS_C2C_INVALID_SPEEDO_CODE 7 /** @brief Invalid frequency */ #define BPMP_C2C_STATUS_C2C_INVALID_FREQ 8 /** @brief Invalid link */ #define BPMP_C2C_STATUS_C2C_INVALID_LINK 9 /** @brief refpll lock polling times out - partition 0 */ #define BPMP_C2C_STATUS_C2C0_REFPLL_FAIL 10 /** @brief refpll lock polling times out - partition 1 */ #define BPMP_C2C_STATUS_C2C1_REFPLL_FAIL 11 /** @brief PLL cal times out - partition 0 */ #define BPMP_C2C_STATUS_C2C0_PLLCAL_FAIL 12 /** @brief PLL cal times out - partition 1 */ #define BPMP_C2C_STATUS_C2C1_PLLCAL_FAIL 13 /** @brief clock detection times out - partition 0 */ #define BPMP_C2C_STATUS_C2C0_CLKDET_FAIL 14 /** @brief clock detection times out - partition 1 */ #define BPMP_C2C_STATUS_C2C1_CLKDET_FAIL 15 /** @brief Final trainings fail partition 0 */ #define BPMP_C2C_STATUS_C2C0_TR_FAIL 16 /** @brief Final trainings fail partition 1 */ #define BPMP_C2C_STATUS_C2C1_TR_FAIL 17 /** @brief C2C FW init done */ #define NV_GFW_GLOBAL_DEVINIT_C2C_STATUS_C2C_FW_INIT_DONE 20 /** @brief C2C FW init failed partition 0 */ #define NV_GFW_GLOBAL_DEVINIT_C2C_STATUS_C2C0_FW_INIT_FAIL 21 /** @brief C2C FW init failed partition 1 */ #define NV_GFW_GLOBAL_DEVINIT_C2C_STATUS_C2C1_FW_INIT_FAIL 22 /** @brief no failure seen, c2c init was successful */ #define BPMP_C2C_STATUS_C2C_LINK_TRAIN_PASS 255 /** @} bpmp_c2c_status */ /** * @ingroup MRQ_Codes * @def MRQ_C2C * @brief Control C2C partitions initialization. * * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_c2c_request * * Response Payload: @ref mrq_c2c_response * * @addtogroup C2C * @{ */ enum mrq_c2c_cmd { /** * @brief Check whether the BPMP driver supports the specified request * type * * mrq_response:: err is 0 if the specified request is supported and * -#BPMP_ENODEV otherwise */ CMD_C2C_QUERY_ABI = 0, /** * @brief Start C2C initialization * * mrq_response:err is * * 0: Success * * -#BPMP_ENODEV: MRQ_C2C is not supported by BPMP-FW * * -#BPMP_ENAVAIL: Invalid request parameters * * -#BPMP_EACCES: Request is not accepted */ CMD_C2C_START_INITIALIZATION = 1, /** * @brief Command to query current C2C training status * * This command will return the result of the latest C2C re-training that is initiated with * MRQ_C2C.CMD_C2C_START_INITIALIZATION or MRQ_C2C.CMD_C2C_START_HOTRESET calls. * If no training has been initiated yet, the command will return code BPMP_C2C_STATUS_INIT_NOT_STARTED. * * mrq_response:err is * * 0: Success * * -#BPMP_ENODEV: MRQ_C2C is not supported by BPMP-FW * * -#BPMP_EACCES: Request is not accepted */ CMD_C2C_GET_STATUS = 2, /** * @brief C2C hot-reset precondition * * mrq_response:err is * * 0: Success * * -#BPMP_ENODEV: MRQ_C2C is not supported by BPMP-FW * * -#BPMP_ENAVAIL: Invalid request parameters * * -#BPMP_EACCES: Request is not accepted */ CMD_C2C_HOTRESET_PREP = 3, /** * @brief Start C2C hot-reset * * mrq_response:err is * * 0: Success * * -#BPMP_ENODEV: MRQ_C2C is not supported by BPMP-FW * * -#BPMP_ENAVAIL: Invalid request parameters * * -#BPMP_EACCES: Request is not accepted */ CMD_C2C_START_HOTRESET = 4, CMD_C2C_MAX }; /** * @brief Request data for #MRQ_C2C command CMD_C2C_QUERY_ABI */ struct cmd_c2c_query_abi_request { /** @brief Command identifier to be queried */ uint32_t cmd; } BPMP_ABI_PACKED; /** * @brief Request data for #MRQ_C2C command CMD_C2C_START_INITIALIZATION */ struct cmd_c2c_start_init_request { /** @brief 1: partition 0; 2: partition 1; 3: partition 0 and 1; */ uint8_t partitions; } BPMP_ABI_PACKED; /** * @brief Response data for #MRQ_C2C command CMD_C2C_START_INITIALIZATION */ struct cmd_c2c_start_init_response { /** @brief Refer to @ref bpmp_c2c_status */ uint8_t status; } BPMP_ABI_PACKED; /** * @brief Response data for #MRQ_C2C command CMD_C2C_GET_STATUS */ struct cmd_c2c_get_status_response { /** @brief Refer to @ref bpmp_c2c_status */ uint8_t status; } BPMP_ABI_PACKED; /** * @brief Request data for #MRQ_C2C command CMD_C2C_HOTRESET_PREP */ struct cmd_c2c_hotreset_prep_request { /** @brief 1: partition 0; 2: partition 1; 3: partition 0 and 1; */ uint8_t partitions; } BPMP_ABI_PACKED; /** * @brief Request data for #MRQ_C2C command CMD_C2C_START_HOTRESET */ struct cmd_c2c_start_hotreset_request { /** @brief 1: partition 0; 2: partition 1; 3: partition 0 and 1; */ uint8_t partitions; } BPMP_ABI_PACKED; /** * @brief Response data for #MRQ_C2C command CMD_C2C_START_HOTRESET */ struct cmd_c2c_start_hotreset_response { /** @brief Refer to @ref bpmp_c2c_status */ uint8_t status; } BPMP_ABI_PACKED; /** * @brief Request with #MRQ_C2C * * |sub-command |payload | * |-----------------------------|-------------------------------| * |CMD_C2C_QUERY_ABI |cmd_c2c_query_abi_request | * |CMD_C2C_START_INITIALIZATION |cmd_c2c_start_init_request | * |CMD_C2C_GET_STATUS | | * |CMD_C2C_HOTRESET_PREP |cmd_c2c_hotreset_prep_request | * |CMD_C2C_START_HOTRESET |cmd_c2c_start_hotreset_request | */ struct mrq_c2c_request { uint32_t cmd; union { struct cmd_c2c_query_abi_request c2c_query_abi_req; struct cmd_c2c_start_init_request c2c_start_init_req; struct cmd_c2c_hotreset_prep_request c2c_hotreset_prep_req; struct cmd_c2c_start_hotreset_request c2c_start_hotreset_req; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** * @brief Response to MRQ_C2C * * |sub-command |payload | * |-----------------------------|--------------------------------| * |CMD_C2C_QUERY_ABI | | * |CMD_C2C_START_INITIALIZATION |cmd_c2c_start_init_response | * |CMD_C2C_GET_STATUS |cmd_c2c_get_status_response | * |CMD_C2C_HOTRESET_PREP | | * |CMD_C2C_START_HOTRESET |cmd_c2c_start_hotreset_response | */ struct mrq_c2c_response { union { struct cmd_c2c_start_init_response c2c_start_init_resp; struct cmd_c2c_get_status_response c2c_get_status_resp; struct cmd_c2c_start_hotreset_response c2c_start_hotreset_resp; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** @} */ /** @endcond */ /** @cond (bpmp_t264) * @ingroup MRQ_Codes * @def MRQ_PCIE * @brief Perform a PCIE operation * * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_pcie_request * * @addtogroup PCIE * @{ */ /** * @brief Sub-command identifiers for #MRQ_PCIE. */ enum mrq_pcie_cmd { /** @brief Initialize PCIE EP controller. */ CMD_PCIE_EP_CONTROLLER_INIT = 0, /** @brief Disable PCIE EP controller. */ CMD_PCIE_EP_CONTROLLER_OFF = 1, /** @brief Disable PCIE RP controller. */ CMD_PCIE_RP_CONTROLLER_OFF = 100, CMD_PCIE_MAX, }; /** * @brief Request payload for #MRQ_PCIE sub-command #CMD_PCIE_EP_CONTROLLER_INIT. */ struct cmd_pcie_ep_controller_init_request { /** * @brief PCIe EP controller number. * Valid entries for T264 are 2, 4 and 5. */ uint8_t ep_controller; /** * @brief PCIe EP function programming interface code. * Valid range in HW is [0, 0xFFU], BPMP-FW programs the input value without any check. * It is up to the requester to send valid input as documented in "PCI CODE AND ID * ASSIGNMENT SPECIFICATION". */ uint8_t progif_code; /** * @brief PCIe EP function sub-class code. * Valid range in HW is [0, 0xFFU], BPMP-FW programs the input value without any check. * It is up to the requester to send valid input as documented in "PCI CODE AND ID * ASSIGNMENT SPECIFICATION". */ uint8_t subclass_code; /** * @brief PCIe EP function base class code. * Valid range in HW is [0, 0xFFU], BPMP-FW programs the input value without any check. * It is up to the requester to send valid input as documented in "PCI CODE AND ID * ASSIGNMENT SPECIFICATION". */ uint8_t baseclass_code; /** * @brief PCIe EP function device id. * Valid range is [0, 0x7FU], only LSB 7 bits are writable in 16-bit PCI device id. * Valid range check is done on input value and returns -BPMP_EINVAL on failure. */ uint8_t deviceid; /** * @brief PCIe EP EP BAR1 size. * Valid range is [6U, 16U], which translate to [64MB, 64GB] size. * Valid range check is done on input value and returns -BPMP_EINVAL on failure. */ uint8_t bar1_size; } BPMP_ABI_PACKED; /** * @brief Request payload for #MRQ_PCIE sub-command #CMD_PCIE_EP_CONTROLLER_OFF. */ struct cmd_pcie_ep_controller_off_request { /** @brief EP controller number, T264 valid: 2, 4, 5. */ uint8_t ep_controller; } BPMP_ABI_PACKED; /** * @brief Request payload for #MRQ_PCIE sub-command #CMD_PCIE_RP_CONTROLLER_OFF. */ struct cmd_pcie_rp_controller_off_request { /** @brief RP controller number, T264 valid: 1-5 */ uint8_t rp_controller; } BPMP_ABI_PACKED; /** * @ingroup PCIE * @brief Request payload for the #MRQ_PCIE command. * * Used by the sender of an #MRQ_PCIE message to control PCIE. * Below table shows sub-commands with their corresponding payload data. * * |sub-command |payload | * |--------------------------------------|-----------------------------------------| * |#CMD_PCIE_EP_CONTROLLER_INIT |#cmd_pcie_ep_controller_init_request | * |#CMD_PCIE_EP_CONTROLLER_OFF |#cmd_pcie_ep_controller_off_request | * * @cond (!bpmp_safe) * * The following additional MRQs are supported on non-functional-safety * builds: * |sub-command |payload | * |--------------------------------------|-----------------------------------------| * |#CMD_PCIE_RP_CONTROLLER_OFF |#cmd_pcie_rp_controller_off_request | * * @endcond * */ struct mrq_pcie_request { /** @brief Sub-command ID from @ref mrq_pcie_cmd. */ uint32_t cmd; union { struct cmd_pcie_ep_controller_init_request ep_ctrlr_init; struct cmd_pcie_ep_controller_off_request ep_ctrlr_off; /** @cond (!bpmp_safe) */ struct cmd_pcie_rp_controller_off_request rp_ctrlr_off; /** @endcond */ } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** @} PCIE */ /** @endcond */ /** @cond (bpmp_t264) * @ingroup MRQ_Codes * @def MRQ_CR7 * @brief Perform a CR7 operation * * * Initiators: CPU_S * * Targets: BPMP * * Request Payload: @ref mrq_cr7_request * * @addtogroup CR7 * @{ */ /** * @brief Payload for #MRQ_CR7 * 2 fields for future parameters are provided. These must be 0 currently. */ struct cmd_cr7_request { uint32_t fld0; uint32_t fld1; } BPMP_ABI_PACKED; struct cmd_cr7_query_abi_request { /** #MRQ_CR7 sub-command identifier from @ref mrq_cr7_cmd */ uint32_t type; } BPMP_ABI_PACKED; /** * @brief Sub-command identifiers for #MRQ_CR7. */ enum mrq_cr7_cmd { /** * @brief Check whether the BPMP driver supports the specified request * type * * mrq_response:: err is 0 if the specified request is supported and * -#BPMP_ENODEV otherwise */ CMD_CR7_QUERY_ABI = 0, /** @brief Enter CR7 state on the package BPMP-FW is running on. */ CMD_CR7_ENTRY = 1, /** @brief Exit CR7 state on the package BPMP-FW is running on. */ CMD_CR7_EXIT = 2, CMD_CR7_MAX, }; /** * @ingroup CR7 * @brief #MRQ_CR7 structure * * |Sub-command |Payload | * |----------------------------|---------------------------| * |#CMD_CR7_QUERY_ABI | #cmd_cr7_query_abi_request| * |#CMD_CR7_ENTRY | #cmd_cr7_request | * |#CMD_CR7_EXIT | #cmd_cr7_request | */ struct mrq_cr7_request { /** @brief Sub-command ID from @ref mrq_cr7_cmd. */ uint32_t cmd; union { struct cmd_cr7_query_abi_request query_abi; struct cmd_cr7_request cr7_request; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** @} CR7 */ /** @endcond */ /** @cond (bpmp_tb500) * @ingroup MRQ_Codes * @def MRQ_HWPM * @brief Configure and query HWPM functionality * * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_hwpm_request * * Response Payload: @ref mrq_hwpm_response * * @addtogroup HWPM * @{ */ /** * @brief Sub-command identifiers for #MRQ_HWPM. */ enum mrq_hwpm_cmd { /** * @brief Check whether the BPMP-FW supports the specified * #MRQ_HWPM sub-command. * * mrq_response:err is 0 if the specified request is * supported and -#BPMP_ENODEV otherwise. */ CMD_HWPM_QUERY_ABI = 1, /** * @brief Configure IPMU triggers * * mrq_response:err is defined as: * * | Value | Description | * | -------------- | ------------------------------------------- | * | 0 | Success | * | -#BPMP_ENODEV | #MRQ_HWPM is not supported by BPMP-FW. | * | -#BPMP_ENOTSUP | Subcommand is not supported by BPMP-FW. | * | -#BPMP_EINVAL | Invalid request parameters. | */ CMD_HWPM_IPMU_SET_TRIGGERS = 2, /** * @brief Configure IPMU payloads and shifts * * mrq_response:err is defined as: * * | Value | Description | * | -------------- | ------------------------------------------- | * | 0 | Success | * | -#BPMP_ENODEV | #MRQ_HWPM is not supported by BPMP-FW. | * | -#BPMP_ENOTSUP | Subcommand is not supported by BPMP-FW. | * | -#BPMP_EINVAL | Invalid request parameters. | */ CMD_HWPM_IPMU_SET_PAYLOADS_SHIFTS = 3, /** * @brief Get maximum number of payloads * * mrq_response:err is defined as: * * | Value | Description | * | -------------- | ------------------------------------------- | * | 0 | Success | * | -#BPMP_ENODEV | #MRQ_HWPM is not supported by BPMP-FW. | * | -#BPMP_ENOTSUP | Subcommand is not supported by BPMP-FW. | */ CMD_HWPM_IPMU_GET_MAX_PAYLOADS = 4, /** * @brief Configure NVTHERM sample rate * * mrq_response:err is defined as: * * | Value | Description | * | -------------- | ------------------------------------------- | * | 0 | Success | * | -#BPMP_ENODEV | #MRQ_HWPM is not supported by BPMP-FW. | * | -#BPMP_ENOTSUP | Subcommand is not supported by BPMP-FW. | * | -#BPMP_EINVAL | Invalid request parameters. | */ CMD_HWPM_NVTHERM_SET_SAMPLE_RATE = 5, /** * @brief Set NVTHERM bubble interval * * mrq_response:err is defined as: * * | Value | Description | * | -------------- | ------------------------------------------- | * | 0 | Success | * | -#BPMP_ENODEV | #MRQ_HWPM is not supported by BPMP-FW. | * | -#BPMP_ENOTSUP | Subcommand is not supported by BPMP-FW. | * | -#BPMP_EINVAL | Invalid request parameters. | */ CMD_HWPM_NVTHERM_SET_BUBBLE_INTERVAL = 6, /** * @brief Configure NVTHERM DG flexible channels * * mrq_response:err is defined as: * * | Value | Description | * | -------------- | ------------------------------------------- | * | 0 | Success | * | -#BPMP_ENODEV | #MRQ_HWPM is not supported by BPMP-FW. | * | -#BPMP_ENOTSUP | Subcommand is not supported by BPMP-FW. | * | -#BPMP_EINVAL | Invalid request parameters. | */ CMD_HWPM_NVTHERM_SET_FLEX_CHANNELS = 7, /** * @brief Get ISENSE sensor name * * mrq_response:err is defined as: * * | Value | Description | * | -------------- | ------------------------------------------- | * | 0 | Success | * | -#BPMP_ENODEV | #MRQ_HWPM is not supported by BPMP-FW. | * | -#BPMP_ENOTSUP | Subcommand is not supported by BPMP-FW. | * | -#BPMP_EINVAL | Invalid request parameters. | */ CMD_HWPM_ISENSE_GET_SENSOR_NAME = 8, /** * @brief Get ISENSE sensor channel * * mrq_response:err is defined as: * * | Value | Description | * | -------------- | ------------------------------------------- | * | 0 | Success | * | -#BPMP_ENODEV | #MRQ_HWPM is not supported by BPMP-FW. | * | -#BPMP_ENOTSUP | Subcommand is not supported by BPMP-FW. | * | -#BPMP_EINVAL | Invalid request parameters. | */ CMD_HWPM_ISENSE_GET_SENSOR_CHANNEL = 9, /** * @brief Get ISENSE sensor scale factor * * mrq_response:err is defined as: * * | Value | Description | * | -------------- | ------------------------------------------- | * | 0 | Success | * | -#BPMP_ENODEV | #MRQ_HWPM is not supported by BPMP-FW. | * | -#BPMP_ENOTSUP | Subcommand is not supported by BPMP-FW. | * | -#BPMP_EINVAL | Invalid request parameters. | */ CMD_HWPM_ISENSE_GET_SENSOR_SCALE_FACTOR = 10, /** * @brief Get ISENSE sensor offset * * mrq_response:err is defined as: * * | Value | Description | * | -------------- | ------------------------------------------- | * | 0 | Success | * | -#BPMP_ENODEV | #MRQ_HWPM is not supported by BPMP-FW. | * | -#BPMP_ENOTSUP | Subcommand is not supported by BPMP-FW. | * | -#BPMP_EINVAL | Invalid request parameters. | * | -#BPMP_ENODATA | No sensor offset. | */ CMD_HWPM_ISENSE_GET_SENSOR_OFFSET = 11, /** * @brief Get ISENSE sum block name * * mrq_response:err is defined as: * * | Value | Description | * | -------------- | ------------------------------------------- | * | 0 | Success | * | -#BPMP_ENODEV | #MRQ_HWPM is not supported by BPMP-FW. | * | -#BPMP_ENOTSUP | Subcommand is not supported by BPMP-FW. | * | -#BPMP_EINVAL | Invalid request parameters. | */ CMD_HWPM_ISENSE_GET_SUM_BLOCK_NAME = 12, /** * @brief Get ISENSE sum input sensor IDs * * mrq_response:err is defined as: * * | Value | Description | * | -------------- | ------------------------------------------- | * | 0 | Success | * | -#BPMP_ENODEV | #MRQ_HWPM is not supported by BPMP-FW. | * | -#BPMP_ENOTSUP | Subcommand is not supported by BPMP-FW. | * | -#BPMP_EINVAL | Invalid request parameters. | */ CMD_HWPM_ISENSE_GET_SUM_BLOCK_INPUTS = 13, /** * @brief Largest supported #MRQ_HWPM sub-command identifier + 1 */ CMD_HWPM_MAX, }; /** * @brief Request data for #MRQ_HWPM sub-command #CMD_HWPM_QUERY_ABI */ struct cmd_hwpm_query_abi_req { /** @brief Sub-command identifier from @ref mrq_hwpm_cmd */ uint32_t cmd_code; } BPMP_ABI_PACKED; /** * @brief Maximum array length for IPMU trigger bitmask */ #define HWPM_IPMU_TRIGGER_ARR_LEN 28U /** * @brief Request data for #MRQ_HWPM sub-command #CMD_HWPM_IPMU_SET_TRIGGERS */ struct cmd_hwpm_ipmu_set_triggers_req { /** @brief IPMU physical ID * * @note Valid range from [0, MAX_CPU_CORES), see @ref bpmp_hwpm_core_config */ uint32_t ipmu_phys_id; /** @brief Trigger bitmask, see @ref bpmp_ipmu_trigger_ids * * @note Setting a trigger bit will cause the associated trigger to * generate an output packet from IPMU to the HWPM perfmux. * @note Up to a maximum possible 896 triggers */ uint32_t triggers[HWPM_IPMU_TRIGGER_ARR_LEN]; } BPMP_ABI_PACKED; /** * @brief Array length for IPMU payload bitmask */ #define HWPM_IPMU_PAYLOAD_ARR_LEN 26U /** * @brief Array length for IPMU payload shift bitmask */ #define HWPM_IPMU_SHIFT_ARR_LEN 2U /** * @brief Request data for #MRQ_HWPM sub-command #CMD_HWPM_IPMU_SET_PAYLOADS_SHIFTS */ struct cmd_hwpm_ipmu_set_payloads_shifts_req { /** @brief IPMU physical ID * * @note Valid range from [0, MAX_CPU_CORES), see @ref bpmp_hwpm_core_config */ uint32_t ipmu_phys_id; /** @brief Payload bitmask, see @ref bpmp_ipmu_payload_ids * * @note Setting a payload bit will add the associated payload to the * IPMU output packet. * @note The maximum number of payloads is platform dependent, * @see #CMD_HWPM_IPMU_GET_MAX_PAYLOADS * @note To disable IPMU streaming on this instance, set all payload bits to 0. * @note Up to a maximum of 832 available payloads */ uint32_t payloads[HWPM_IPMU_PAYLOAD_ARR_LEN]; /** * @brief Payload shift mask * * @note Setting the i-th shift bit will right-shift the * i-th enabled payload by 1 bit. * @note Up to a maximum of 64 simultaneous emitted payloads */ uint32_t shifts[HWPM_IPMU_SHIFT_ARR_LEN]; } BPMP_ABI_PACKED; /** * @brief Request data for #MRQ_HWPM sub-command #CMD_HWPM_IPMU_GET_MAX_PAYLOADS */ struct cmd_hwpm_ipmu_get_max_payloads_req { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; /** * @brief Request data for #MRQ_HWPM sub-command #CMD_HWPM_NVTHERM_SET_SAMPLE_RATE */ struct cmd_hwpm_nvtherm_set_sample_rate_req { /** @brief Sample rate in microseconds * * @note Requesting a sample rate of 0 will disable NVTHERM streaming. */ uint32_t sample_rate; } BPMP_ABI_PACKED; /** * @brief Request data for #MRQ_HWPM sub-command #CMD_HWPM_NVTHERM_SET_BUBBLE_INTERVAL */ struct cmd_hwpm_nvtherm_set_bubble_interval_req { /** @brief Bubble interval in microseconds */ uint32_t bubble_interval; } BPMP_ABI_PACKED; /** * @brief Maximum array length for NVTHERM flexible channel bitmask */ #define HWPM_NVTHERM_FLEX_CHANNEL_ARR_LEN 29U /** * @brief Request data for #MRQ_HWPM sub-command #CMD_HWPM_NVTHERM_SET_FLEX_CHANNELS */ struct cmd_hwpm_nvtherm_set_flex_channels_req { /** @brief NVTHERM flexible channel bitmask * * @see #bpmp_nvtherm_flex_channel_ids * * @note Up to a maximum of 928 flexible channels */ uint32_t channels[HWPM_NVTHERM_FLEX_CHANNEL_ARR_LEN]; } BPMP_ABI_PACKED; /** * @brief Request data for #MRQ_HWPM sub-command #CMD_HWPM_ISENSE_GET_SENSOR_NAME */ struct cmd_hwpm_isense_get_sensor_name_req { /** @brief Sensor ID from @ref bpmp_isense_sensor_ids */ uint32_t sensor_id; } BPMP_ABI_PACKED; /** * @brief Request data for #MRQ_HWPM sub-command #CMD_HWPM_ISENSE_GET_SENSOR_CHANNEL */ struct cmd_hwpm_isense_get_sensor_channel_req { /** @brief Sensor ID from @ref bpmp_isense_sensor_ids */ uint32_t sensor_id; } BPMP_ABI_PACKED; /** * @brief Request data for #MRQ_HWPM sub-command #CMD_HWPM_ISENSE_GET_SENSOR_SCALE_FACTOR */ struct cmd_hwpm_isense_get_sensor_scale_factor_req { /** @brief Sensor ID from @ref bpmp_isense_sensor_ids */ uint32_t sensor_id; } BPMP_ABI_PACKED; /** * @brief Request data for #MRQ_HWPM sub-command #CMD_HWPM_ISENSE_GET_SENSOR_OFFSET */ struct cmd_hwpm_isense_get_sensor_offset_req { /** @brief Sensor ID from @ref bpmp_isense_sensor_ids */ uint32_t sensor_id; } BPMP_ABI_PACKED; /** * @brief Request data for #MRQ_HWPM sub-command #CMD_HWPM_ISENSE_GET_SUM_BLOCK_NAME */ struct cmd_hwpm_isense_get_sum_block_name_req { /** @brief Sum block index */ uint32_t sum_block_index; } BPMP_ABI_PACKED; /** * @brief Request data for #MRQ_HWPM sub-command #CMD_HWPM_ISENSE_GET_SUM_BLOCK_INPUTS */ struct cmd_hwpm_isense_get_sum_block_inputs_req { /** @brief Sum block index */ uint32_t sum_block_index; } BPMP_ABI_PACKED; /** * @brief Response data for #MRQ_HWPM sub-command #CMD_HWPM_IPMU_GET_MAX_PAYLOADS */ struct cmd_hwpm_ipmu_get_max_payloads_resp { /** @brief Maximum number of payloads */ uint32_t max_payloads; } BPMP_ABI_PACKED; /** * @brief Maximum array length for ISENSE sensor name */ #define HWPM_ISENSE_SENSOR_MAX_NAME_LEN 64U /** * @brief Response data for #MRQ_HWPM sub-command #CMD_HWPM_ISENSE_GET_SENSOR_NAME */ struct cmd_hwpm_isense_get_sensor_name_resp { /** @brief Sensor name */ char sensor_name[HWPM_ISENSE_SENSOR_MAX_NAME_LEN]; } BPMP_ABI_PACKED; /** * @brief Response data for #MRQ_HWPM sub-command #CMD_HWPM_ISENSE_GET_SENSOR_CHANNEL */ struct cmd_hwpm_isense_get_sensor_channel_resp { /** @brief Physical channel index */ uint32_t channel_index; } BPMP_ABI_PACKED; /** * @brief Response data for #MRQ_HWPM sub-command #CMD_HWPM_ISENSE_GET_SENSOR_SCALE_FACTOR */ struct cmd_hwpm_isense_get_sensor_scale_factor_resp { /** @brief Scale factor */ float scale_factor; } BPMP_ABI_PACKED; /** * @brief Response data for #MRQ_HWPM sub-command #CMD_HWPM_ISENSE_GET_SENSOR_OFFSET */ struct cmd_hwpm_isense_get_sensor_offset_resp { /** @brief Offset sensor ID */ uint32_t offset_sensor_id; } BPMP_ABI_PACKED; /** * @brief Maximum array length for ISENSE sum name */ #define HWPM_ISENSE_SUM_BLOCK_MAX_NAME_LEN 64U /** * @brief Response data for #MRQ_HWPM sub-command #CMD_HWPM_ISENSE_GET_SUM_BLOCK_NAME */ struct cmd_hwpm_isense_get_sum_block_name_resp { /** @brief Sum block name */ char sum_block_name[HWPM_ISENSE_SUM_BLOCK_MAX_NAME_LEN]; } BPMP_ABI_PACKED; /** * @brief Maximum array length for ISENSE sum block input sensor IDs */ #define HWPM_ISENSE_SUM_BLOCK_INPUTS_MAX 16U /** * @brief Response data for #MRQ_HWPM sub-command #CMD_HWPM_ISENSE_GET_SUM_BLOCK_INPUTS */ struct cmd_hwpm_isense_get_sum_block_inputs_resp { /** @brief Input channel indices; negative if no input is applied */ int32_t input_channel_idx[HWPM_ISENSE_SUM_BLOCK_INPUTS_MAX]; } BPMP_ABI_PACKED; /** * @brief Request payload for the #MRQ_HWPM -command * * | Sub-command | Request payload | * | ---------------------------------------- | -------------------------------------------- | * | #CMD_HWPM_QUERY_ABI | #cmd_hwpm_query_abi_req | * | #CMD_HWPM_IPMU_SET_TRIGGERS | #cmd_hwpm_ipmu_set_triggers_req | * | #CMD_HWPM_IPMU_SET_PAYLOADS_SHIFTS | #cmd_hwpm_ipmu_set_payloads_shifts_req | * | #CMD_HWPM_IPMU_GET_MAX_PAYLOADS | #cmd_hwpm_ipmu_get_max_payloads_req | * | #CMD_HWPM_NVTHERM_SET_SAMPLE_RATE | #cmd_hwpm_nvtherm_set_sample_rate_req | * | #CMD_HWPM_NVTHERM_SET_BUBBLE_INTERVAL | #cmd_hwpm_nvtherm_set_bubble_interval_req | * | #CMD_HWPM_NVTHERM_SET_FLEX_CHANNELS | #cmd_hwpm_nvtherm_set_flex_channels_req | * | #CMD_HWPM_ISENSE_GET_SENSOR_CHANNEL | #cmd_hwpm_isense_get_sensor_channel_req | * | #CMD_HWPM_ISENSE_GET_SENSOR_SCALE_FACTOR | #cmd_hwpm_isense_get_sensor_scale_factor_req | * | #CMD_HWPM_ISENSE_GET_SENSOR_OFFSET | #cmd_hwpm_isense_get_sensor_offset_req | * | #CMD_HWPM_ISENSE_GET_SUM_BLOCK_NAME | #cmd_hwpm_isense_get_sum_block_name_req | * | #CMD_HWPM_ISENSE_GET_SUM_BLOCK_INPUTS | #cmd_hwpm_isense_get_sum_block_inputs_req | */ struct mrq_hwpm_request { uint32_t cmd; union { struct cmd_hwpm_query_abi_req query_abi; struct cmd_hwpm_ipmu_set_triggers_req ipmu_set_triggers; struct cmd_hwpm_ipmu_set_payloads_shifts_req ipmu_set_payloads_shifts; struct cmd_hwpm_ipmu_get_max_payloads_req ipmu_get_max_payloads; struct cmd_hwpm_nvtherm_set_sample_rate_req nvtherm_set_sample_rate; struct cmd_hwpm_nvtherm_set_bubble_interval_req nvtherm_set_bubble_interval; struct cmd_hwpm_nvtherm_set_flex_channels_req nvtherm_set_flex_channels; struct cmd_hwpm_isense_get_sensor_name_req isense_get_sensor_name; struct cmd_hwpm_isense_get_sensor_channel_req isense_get_sensor_channel; struct cmd_hwpm_isense_get_sensor_scale_factor_req isense_get_sensor_scale_factor; struct cmd_hwpm_isense_get_sensor_offset_req isense_get_sensor_offset; struct cmd_hwpm_isense_get_sum_block_name_req isense_get_sum_block_name; struct cmd_hwpm_isense_get_sum_block_inputs_req isense_get_sum_block_inputs; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** * @brief Response payload for the #MRQ_HWPM -command * * | Sub-command | Response payload | * | ---------------------------------------- | --------------------------------------------- | * | #CMD_HWPM_QUERY_ABI | - | * | #CMD_HWPM_IPMU_SET_TRIGGERS | - | * | #CMD_HWPM_IPMU_SET_PAYLOADS_SHIFTS | - | * | #CMD_HWPM_IPMU_GET_MAX_PAYLOADS | #cmd_hwpm_ipmu_get_max_payloads_resp | * | #CMD_HWPM_NVTHERM_SET_SAMPLE_RATE | - | * | #CMD_HWPM_NVTHERM_SET_BUBBLE_INTERVAL | - | * | #CMD_HWPM_NVTHERM_SET_FLEX_CHANNELS | - | * | #CMD_HWPM_ISENSE_GET_SENSOR_NAME | #cmd_hwpm_isense_get_sensor_name_resp | * | #CMD_HWPM_ISENSE_GET_SENSOR_CHANNEL | #cmd_hwpm_isense_get_sensor_channel_resp | * | #CMD_HWPM_ISENSE_GET_SENSOR_SCALE_FACTOR | #cmd_hwpm_isense_get_sensor_scale_factor_resp | * | #CMD_HWPM_ISENSE_GET_SENSOR_OFFSET | #cmd_hwpm_isense_get_sensor_offset_resp | * | #CMD_HWPM_ISENSE_GET_SUM_BLOCK_NAME | #cmd_hwpm_isense_get_sum_block_name_resp | * | #CMD_HWPM_ISENSE_GET_SUM_BLOCK_INPUTS | #cmd_hwpm_isense_get_sum_block_inputs_resp | */ struct mrq_hwpm_response { uint32_t err; union { struct cmd_hwpm_ipmu_get_max_payloads_resp ipmu_get_max_payloads; struct cmd_hwpm_isense_get_sensor_name_resp isense_get_sensor_name; struct cmd_hwpm_isense_get_sensor_channel_resp isense_get_sensor_channel; struct cmd_hwpm_isense_get_sensor_scale_factor_resp isense_get_sensor_scale_factor; struct cmd_hwpm_isense_get_sensor_offset_resp isense_get_sensor_offset; struct cmd_hwpm_isense_get_sum_block_name_resp isense_get_sum_block_name; struct cmd_hwpm_isense_get_sum_block_inputs_resp isense_get_sum_block_inputs; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** @} HWPM */ /** @endcond */ /** @cond (bpmp_tb500) * @ingroup MRQ_Codes * @def MRQ_DVFS * @brief Configure DVFS functionality * * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_dvfs_request * * @addtogroup DVFS * @{ */ /** * @brief Sub-command identifiers for #MRQ_DVFS. */ enum mrq_dvfs_cmd { /** * @brief Check whether the BPMP-FW supports the specified * #MRQ_DVFS sub-command. * * mrq_response:err is 0 if the specified request is * supported and -#BPMP_ENODEV otherwise. */ CMD_DVFS_QUERY_ABI = 1, /** * @brief Configure DVFS controller * * mrq_response:err is defined as: * * | Value | Description | * | -------------- | ------------------------------------------- | * | 0 | Success | * | -#BPMP_ENODEV | #MRQ_DVFS is not supported by BPMP-FW. | * | -#BPMP_ENOTSUP | Subcommand is not supported by BPMP-FW. | * | -#BPMP_EINVAL | Invalid request parameters. | */ CMD_DVFS_SET_CTRL_STATE = 2, /** * @brief Configure DVFS manager * * mrq_response:err is defined as: * * | Value | Description | * | -------------- | ------------------------------------------- | * | 0 | Success | * | -#BPMP_ENODEV | #MRQ_DVFS is not supported by BPMP-FW. | * | -#BPMP_ENOTSUP | Subcommand is not supported by BPMP-FW. | * | -#BPMP_EINVAL | Invalid request parameters. | */ CMD_DVFS_SET_MGR_STATE = 3, /** * @brief Largest supported #MRQ_DVFS sub-command identifier + 1 */ CMD_DVFS_MAX, }; /** * @brief Request data for #MRQ_DVFS sub-command #CMD_DVFS_QUERY_ABI */ struct cmd_dvfs_query_abi_req { /** @brief Sub-command identifier from @ref mrq_dvfs_cmd */ uint32_t cmd_code; } BPMP_ABI_PACKED; struct cmd_dvfs_set_ctrl_state_req { /** @brief Controller ID from @ref bpmp_dvfs_ctrl_ids */ uint32_t ctrl_id; /** @brief Controller enable state */ uint32_t enable; } BPMP_ABI_PACKED; struct cmd_dvfs_set_mgr_state_req { /** @brief Manager ID from @ref bpmp_dvfs_mgr_ids */ uint32_t mgr_id; /** @brief Manager enable state */ uint32_t enable; } BPMP_ABI_PACKED; /** * @brief Request payload for the #MRQ_DVFS -command * * | Sub-command | Request payload | * | ---------------------------------------- | -------------------------------------------- | * | #CMD_DVFS_QUERY_ABI | #cmd_dvfs_query_abi_req | * | #CMD_DVFS_SET_CTRL_STATE | #cmd_dvfs_set_ctrl_state_req | * | #CMD_DVFS_SET_MGR_STATE | #cmd_dvfs_set_mgr_state_req | */ struct mrq_dvfs_request { uint32_t cmd; union { struct cmd_dvfs_query_abi_req query_abi; struct cmd_dvfs_set_ctrl_state_req set_ctrl_state; struct cmd_dvfs_set_mgr_state_req set_mgr_state; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** @} DVFS */ /** @endcond */ /** @cond (bpmp_tb500) * @ingroup MRQ_Codes * @def MRQ_PPP_PROFILE * @brief Get power/performance profile configuration settings. * * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_ppp_profile_request * * Response Payload: @ref mrq_ppp_profile_response * * @addtogroup PPP * @{ */ /** * @brief Sub-command identifiers for #MRQ_PPP_PROFILE. */ enum mrq_ppp_profile_cmd { /** * @brief Check whether the BPMP-FW supports the specified * #MRQ_PPP_PROFILE sub-command. * * mrq_ppp_profile_response:err is 0 if the specified request is * supported and -#BPMP_ENOTSUP otherwise. */ CMD_PPP_PROFILE_QUERY_ABI = 0, /** * @brief Query the BPMP for the CPU core and SLC slice configuration associated * with a given Power/Performance Profile (PPP). * * mrq_ppp_profile_response:err is defined as: * * | Value | Description | * |----------------|------------------------------------------------| * | 0 | Success | * | -#BPMP_ENOTSUP | #MRQ_PPP_PROFILE is not supported by BPMP-FW. | * | -#BPMP_EINVAL | Invalid request parameters. | */ CMD_PPP_PROFILE_QUERY_MASKS = 1, /** * @brief Query BPMP for the CPU mask corresponding to a requested * number of active CPU cores. * * mrq_ppp_profile_response:err is defined as: * * | Value | Description | * |----------------|------------------------------------------------| * | 0 | Success | * | -#BPMP_ENOTSUP | #MRQ_PPP_PROFILE is not supported by BPMP-FW. | * | -#BPMP_EINVAL | Invalid request parameters. | */ CMD_PPP_CORE_QUERY_CPU_MASK = 2, /** * @brief Query BPMP-FW for the currently available Power/Performance Profiles. * * mrq_ppp_profile_response:err is defined as: * * | Value | Description | * |----------------|------------------------------------------------| * | 0 | Success | * | -#BPMP_ENOTSUP | #MRQ_PPP_PROFILE is not supported by BPMP-FW. | * | -#BPMP_EINVAL | Invalid request parameters. | */ CMD_PPP_AVAILABLE_QUERY = 3, }; /** * @brief Request data for #MRQ_PPP_PROFILE sub-command * #CMD_PPP_PROFILE_QUERY_ABI */ struct cmd_ppp_profile_query_abi_req { /** @brief Sub-command identifier from @ref mrq_ppp_profile_cmd */ uint32_t cmd_code; } BPMP_ABI_PACKED; /** * @brief Response data for #MRQ_PPP_PROFILE sub-command * #CMD_PPP_AVAILABLE_QUERY */ struct cmd_ppp_available_query_resp { /** * @brief Bitmask of available profiles. * Bit N = 1 ⇒ profile N is available */ uint32_t avail_ppp_mask; } BPMP_ABI_PACKED; /** * @brief Request data for #MRQ_PPP_PROFILE sub-command * #CMD_PPP_PROFILE_QUERY_MASKS */ struct cmd_ppp_profile_query_masks_req { /** @brief power/perf profile identifier */ uint32_t profile_id; } BPMP_ABI_PACKED; /** * @brief Response payload for #MRQ_PPP_PROFILE sub-command * #CMD_PPP_PROFILE_QUERY_MASKS */ struct cmd_ppp_profile_query_masks_resp { /** @brief Enabled cores in this profile */ uint32_t num_active_cores; /** @brief Enabled SLC slices in this profile */ uint32_t num_active_slcs; /** @brief Number of valid words in active_core_masks array */ uint32_t max_num_core_words; /** @brief Number of valid words in active_slc_masks array */ uint32_t max_num_slc_words; /** @brief Enabled cores bit mask (bit N = 1 => core N enabled) */ uint32_t active_core_masks[8]; /** @brief Enabled SLC slices bit mask (bit N = 1 => SLC slice N enabled) */ uint32_t active_slc_masks[8]; } BPMP_ABI_PACKED; /** * @brief Request data for #MRQ_PPP_PROFILE sub-command * #CMD_PPP_CORE_QUERY_CPU_MASK */ struct cmd_ppp_core_query_cpu_mask_req { /** @brief Requested number of active cores */ uint32_t num_cores; } BPMP_ABI_PACKED; /** * @brief Response data for #MRQ_PPP_PROFILE sub-command * #CMD_PPP_CORE_QUERY_CPU_MASK */ struct cmd_ppp_core_query_cpu_mask_resp { /** @brief Number of valid words in active_core_masks array */ uint32_t max_num_words; /** @brief Enabled CPU core bitmask (bit N = 1 ⇒ core N enabled) */ uint32_t active_core_masks[8]; } BPMP_ABI_PACKED; /** * @brief Request payload for the #MRQ_PPP_PROFILE -command * * | Sub-command | Request payload | * |-------------------------------|----------------------------------------| * | #CMD_PPP_PROFILE_QUERY_ABI | #cmd_ppp_profile_query_abi_req | * | #CMD_PPP_PROFILE_QUERY_MASKS | #cmd_ppp_profile_query_masks_req | * | #CMD_PPP_CORE_QUERY_CPU_MASK | #cmd_ppp_core_query_cpu_mask_req | * | #CMD_PPP_AVAILABLE_QUERY | - | */ struct mrq_ppp_profile_request { /** @brief Sub-command ID from @ref mrq_ppp_profile_cmd. */ uint32_t cmd; union { struct cmd_ppp_profile_query_abi_req query_abi; struct cmd_ppp_profile_query_masks_req ppp_profile_masks_req; struct cmd_ppp_core_query_cpu_mask_req ppp_core_mask_req; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** * @brief Response payload for the #MRQ_PPP_PROFILE -command. * * | Sub-command | Response payload | * |-------------------------------|----------------------------------------| * | #CMD_PPP_PROFILE_QUERY_ABI | - | * | #CMD_PPP_PROFILE_QUERY_MASKS | #cmd_ppp_profile_query_masks_resp | * | #CMD_PPP_CORE_QUERY_CPU_MASK | #cmd_ppp_core_query_cpu_mask_resp | * | #CMD_PPP_AVAILABLE_QUERY | #cmd_ppp_available_query_resp | */ struct mrq_ppp_profile_response { uint32_t err; union { struct cmd_ppp_profile_query_masks_resp ppp_profile_masks_resp; struct cmd_ppp_core_query_cpu_mask_resp ppp_core_mask_resp; struct cmd_ppp_available_query_resp ppp_avail_query_resp; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** @} PPP */ /** @endcond */ /** * @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 1 /** @brief No such file or directory */ #define BPMP_ENOENT 2 /** @brief No MRQ handler */ #define BPMP_ENOHANDLER 3 /** @brief I/O error */ #define BPMP_EIO 5 /** @brief Bad sub-MRQ command */ #define BPMP_EBADCMD 6 /** @brief Resource temporarily unavailable */ #define BPMP_EAGAIN 11 /** @brief Not enough memory */ #define BPMP_ENOMEM 12 /** @brief Permission denied */ #define BPMP_EACCES 13 /** @brief Bad address */ #define BPMP_EFAULT 14 /** @brief Resource busy */ #define BPMP_EBUSY 16 /** @brief No such device */ #define BPMP_ENODEV 19 /** @brief Argument is a directory */ #define BPMP_EISDIR 21 /** @brief Invalid argument */ #define BPMP_EINVAL 22 /** @brief Timeout during operation */ #define BPMP_ETIMEDOUT 23 /** @brief Out of range */ #define BPMP_ERANGE 34 /** @brief Function not implemented */ #define BPMP_ENOSYS 38 /** @brief Invalid slot */ #define BPMP_EBADSLT 57 /** @brief No data */ #define BPMP_ENODATA 61 /** @brief Invalid message */ #define BPMP_EBADMSG 77 /** @brief Operation not supported */ #define BPMP_EOPNOTSUPP 95 /** @brief Targeted resource not available */ #define BPMP_ENAVAIL 119 /** @brief Not supported */ #define BPMP_ENOTSUP 134 /** @brief No such device or address */ #define BPMP_ENXIO 140 /** @} Error_Codes */ #if defined(BPMP_ABI_CHECKS) #include "bpmp_abi_checks.h" #endif #endif