zephyr/lib/open-amp/resource_table.h

79 lines
1.9 KiB
C

/*
* Copyright (c) 2020 STMicroelectronics
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef RESOURCE_TABLE_H__
#define RESOURCE_TABLE_H__
#include <openamp/remoteproc.h>
#include <openamp/virtio.h>
#if (CONFIG_OPENAMP_RSC_TABLE_NUM_RPMSG_BUFF > 0)
#define VDEV_ID 0xFF
#define VRING0_ID 0 /* (master to remote) fixed to 0 for Linux compatibility */
#define VRING1_ID 1 /* (remote to master) fixed to 1 for Linux compatibility */
#define VRING_COUNT 2
#define RPMSG_IPU_C0_FEATURES 1
#define VRING_RX_ADDRESS -1 /* allocated by Master processor */
#define VRING_TX_ADDRESS -1 /* allocated by Master processor */
#define VRING_BUFF_ADDRESS -1 /* allocated by Master processor */
#define VRING_ALIGNMENT 16 /* fixed to match with Linux constraint */
#endif
enum rsc_table_entries {
#if (CONFIG_OPENAMP_RSC_TABLE_NUM_RPMSG_BUFF > 0)
RSC_TABLE_VDEV_ENTRY,
#endif
#if defined(CONFIG_RAM_CONSOLE)
RSC_TABLE_TRACE_ENTRY,
#endif
RSC_TABLE_NUM_ENTRY
};
struct fw_resource_table {
unsigned int ver;
unsigned int num;
unsigned int reserved[2];
unsigned int offset[RSC_TABLE_NUM_ENTRY];
#if (CONFIG_OPENAMP_RSC_TABLE_NUM_RPMSG_BUFF > 0)
struct fw_rsc_vdev vdev;
struct fw_rsc_vdev_vring vring0;
struct fw_rsc_vdev_vring vring1;
#endif
#if defined(CONFIG_RAM_CONSOLE)
/* rpmsg trace entry */
struct fw_rsc_trace cm_trace;
#endif
} METAL_PACKED_END;
void rsc_table_get(void **table_ptr, int *length);
#if (CONFIG_OPENAMP_RSC_TABLE_NUM_RPMSG_BUFF > 0)
inline struct fw_rsc_vdev *rsc_table_to_vdev(void *rsc_table)
{
return &((struct fw_resource_table *)rsc_table)->vdev;
}
inline struct fw_rsc_vdev_vring *rsc_table_get_vring0(void *rsc_table)
{
return &((struct fw_resource_table *)rsc_table)->vring0;
}
inline struct fw_rsc_vdev_vring *rsc_table_get_vring1(void *rsc_table)
{
return &((struct fw_resource_table *)rsc_table)->vring1;
}
#endif
#endif