/* * Copyright (c) 2018, Xilinx, Inc. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ /* Xilinx IPI management configuration data and macros */ #ifndef IPI_H #define IPI_H #include /********************************************************************* * IPI mailbox status macros ********************************************************************/ #define IPI_MB_STATUS_IDLE 0 #define IPI_MB_STATUS_SEND_PENDING 1 #define IPI_MB_STATUS_RECV_PENDING 2 /********************************************************************* * IPI mailbox call is secure or not macros ********************************************************************/ #define IPI_MB_CALL_NOTSECURE 0 #define IPI_MB_CALL_SECURE 1 /********************************************************************* * IPI secure check ********************************************************************/ #define IPI_SECURE_MASK 0x1U #define IPI_IS_SECURE(I) ((ipi_table[(I)].secure_only & \ IPI_SECURE_MASK) ? 1 : 0) /********************************************************************* * Struct definitions ********************************************************************/ /* structure to maintain IPI configuration information */ struct ipi_config { unsigned int ipi_bit_mask; unsigned int ipi_reg_base; unsigned char secure_only; }; /********************************************************************* * IPI APIs declarations ********************************************************************/ /* Initialize IPI configuration table */ void ipi_config_table_init(const struct ipi_config *ipi_table, uint32_t total_ipi); /* Validate IPI mailbox access */ int ipi_mb_validate(uint32_t local, uint32_t remote, unsigned int is_secure); /* Open the IPI mailbox */ void ipi_mb_open(uint32_t local, uint32_t remote); /* Release the IPI mailbox */ void ipi_mb_release(uint32_t local, uint32_t remote); /* Enquire IPI mailbox status */ int ipi_mb_enquire_status(uint32_t local, uint32_t remote); /* Trigger notification on the IPI mailbox */ int ipi_mb_notify(uint32_t local, uint32_t remote, uint32_t is_blocking); /* Ack IPI mailbox notification */ void ipi_mb_ack(uint32_t local, uint32_t remote); /* Disable IPI mailbox notification interrupt */ void ipi_mb_disable_irq(uint32_t local, uint32_t remote); /* Enable IPI mailbox notification interrupt */ void ipi_mb_enable_irq(uint32_t local, uint32_t remote); #endif /* IPI_H */