mirror of
https://github.com/ARM-software/arm-trusted-firmware.git
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7d15b94ba3
This corrects the MISRA violation C2012-10.1: Operands shall not be of an inappropriate essential type. The condition is explicitly checked against 0U, appending 'U' and typecasting for unsigned comparison. Change-Id: I675f1b2ac408b70a9ca307fb5161ebb8e597897c Signed-off-by: Nithin G <nithing@amd.com> Signed-off-by: Maheedhar Bollapalli <maheedharsai.bollapalli@amd.com>
77 lines
2.4 KiB
C
77 lines
2.4 KiB
C
/*
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* Copyright (c) 2018, Xilinx, Inc. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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/* Xilinx IPI management configuration data and macros */
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#ifndef IPI_H
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#define IPI_H
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#include <stdint.h>
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/*********************************************************************
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* IPI mailbox status macros
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********************************************************************/
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#define IPI_MB_STATUS_IDLE (0U)
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#define IPI_MB_STATUS_SEND_PENDING (1U)
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#define IPI_MB_STATUS_RECV_PENDING (2U)
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/*********************************************************************
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* IPI mailbox call is secure or not macros
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********************************************************************/
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#define IPI_MB_CALL_NOTSECURE (0U)
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#define IPI_MB_CALL_SECURE (1U)
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/*********************************************************************
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* IPI secure check
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********************************************************************/
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#define IPI_SECURE_MASK (0x1U)
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#define IPI_IS_SECURE(I) ((ipi_table[(I)].secure_only & \
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IPI_SECURE_MASK) ? true : false)
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/*********************************************************************
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* Struct definitions
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********************************************************************/
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/* structure to maintain IPI configuration information */
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struct ipi_config {
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unsigned int ipi_bit_mask;
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unsigned int ipi_reg_base;
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unsigned char secure_only;
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};
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/*********************************************************************
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* IPI APIs declarations
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********************************************************************/
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/* Initialize IPI configuration table */
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void ipi_config_table_init(const struct ipi_config *ipi_config_table,
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uint32_t total_ipi);
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/* Validate IPI mailbox access */
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int ipi_mb_validate(uint32_t local, uint32_t remote, unsigned int is_secure);
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/* Open the IPI mailbox */
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void ipi_mb_open(uint32_t local, uint32_t remote);
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/* Release the IPI mailbox */
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void ipi_mb_release(uint32_t local, uint32_t remote);
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/* Enquire IPI mailbox status */
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int ipi_mb_enquire_status(uint32_t local, uint32_t remote);
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/* Trigger notification on the IPI mailbox */
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void ipi_mb_notify(uint32_t local, uint32_t remote, uint32_t is_blocking);
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/* Ack IPI mailbox notification */
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void ipi_mb_ack(uint32_t local, uint32_t remote);
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/* Disable IPI mailbox notification interrupt */
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void ipi_mb_disable_irq(uint32_t local, uint32_t remote);
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/* Enable IPI mailbox notification interrupt */
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void ipi_mb_enable_irq(uint32_t local, uint32_t remote);
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#endif /* IPI_H */
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