/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright 2018-2020 Broadcom. */ #ifndef BCM_VK_MSG_H #define BCM_VK_MSG_H #include <uapi/linux/misc/bcm_vk.h> #include "bcm_vk_sg.h" /* Single message queue control structure */ struct bcm_vk_msgq { … }; /* * Structure to record static info from the msgq sync. We keep local copy * for some of these variables for both performance + checking purpose. */ struct bcm_vk_sync_qinfo { … }; #define VK_MSGQ_MAX_NR … /* * message block - basic unit in the message where a message's size is always * N x sizeof(basic_block) */ struct vk_msg_blk { … }; /* vk_msg_blk is 16 bytes fixed */ #define VK_MSGQ_BLK_SIZE … /* shift for fast division of basic msg blk size */ #define VK_MSGQ_BLK_SZ_SHIFT … /* use msg_id 0 for any simplex host2vk communication */ #define VK_SIMPLEX_MSG_ID … /* context per session opening of sysfs */ struct bcm_vk_ctx { … }; /* pid hash table entry */ struct bcm_vk_ht_entry { … }; #define VK_DMA_MAX_ADDRS … /* structure for house keeping a single work entry */ struct bcm_vk_wkent { … }; /* queue stats counters */ struct bcm_vk_qs_cnts { … }; /* control channel structure for either to_v or to_h communication */ struct bcm_vk_msg_chan { … }; /* totol number of message q allowed by the driver */ #define VK_MSGQ_PER_CHAN_MAX … #define VK_MSGQ_NUM_DEFAULT … /* total number of supported ctx, 32 ctx each for 5 components */ #define VK_CMPT_CTX_MAX … /* hash table defines to store the opened FDs */ #define VK_PID_HT_SHIFT_BIT … #define VK_PID_HT_SZ … /* The following are offsets of DDR info provided by the vk card */ #define VK_BAR0_SEG_SIZE … /* shutdown types supported */ #define VK_SHUTDOWN_PID … #define VK_SHUTDOWN_GRACEFUL … #endif
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