5da0278602
Used under guest system, it submits GPU tasks into hardware while host driver is unaware of it. Hgsl communicates with GPU hardware using either GPU registers or TCSR compute signaling hardware block. Change-Id: I881941953ee2340a4c47f10e85e4b0a1dfb87a50 Signed-off-by: Kasin Li <donglil@codeaurora.org> Signed-off-by: Hai Li <hali@codeaurora.org> Signed-off-by: Thomas (Wonyoung) Yun <wyun@codeaurora.org>
86 lines
2.0 KiB
C
86 lines
2.0 KiB
C
/*
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* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note
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* Copyright (c) 2019-2020, The Linux Foundation. All rights reserved.
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*/
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#ifndef _UAPI_MSM_HGSL_H
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#define _UAPI_MSM_HGSL_H
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#include <linux/types.h>
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#include <linux/ioctl.h>
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#define DB_STATE_Q_MASK 0xffff
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#define DB_STATE_Q_UNINIT 1
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#define DB_STATE_Q_INIT_DONE 2
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#define DB_STATE_Q_FAULT 3
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/* Doorbell Signal types */
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#define DB_SIGNAL_INVALID 0
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#define DB_SIGNAL_GLOBAL_0 1
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#define DB_SIGNAL_GLOBAL_1 2
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#define DB_SIGNAL_LOCAL 3
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#define DB_SIGNAL_MAX DB_SIGNAL_LOCAL
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struct hgsl_ibdesc {
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uint64_t gpuaddr;
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uint32_t sizedwords;
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};
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struct hgsl_mem_object {
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uint64_t gpuaddr;
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uint32_t sizedwords;
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};
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struct hgsl_fhi_issud_cmds {
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uint32_t context_id;
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uint32_t timestamp;
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uint32_t flags;
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uint32_t num_ibs;
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uint32_t num_bos;
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uint64_t ibs;
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uint64_t bos;
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};
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struct hgsl_db_queue_inf {
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int32_t fd;
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uint32_t head_dwords;
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int32_t head_off_dwords;
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uint32_t queue_dwords;
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int32_t queue_off_dwords;
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uint32_t db_signal;
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};
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struct hgsl_ctxt_create_info {
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uint32_t context_id;
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int32_t shadow_fd;
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uint32_t shadow_sop_offset;
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uint32_t shadow_eop_offset;
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};
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struct hgsl_wait_ts_info {
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uint32_t context_id;
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unsigned int timestamp;
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unsigned int timeout;
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};
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struct hgsl_dbq_release_info {
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uint32_t ref_count;
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uint32_t ctxt_id;
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};
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#define HGSL_IOCTL_BASE 'h'
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#define HGSL_IORW(n, t) _IOWR(HGSL_IOCTL_BASE, n, t)
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#define HGSL_IOW(n, t) _IOW(HGSL_IOCTL_BASE, n, t)
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#define HGSL_IOCTL_DBQ_GETSTATE HGSL_IORW(0x01, int32_t)
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#define HGSL_IOCTL_DBQ_INIT HGSL_IORW(0x02, struct hgsl_db_queue_inf)
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#define HGSL_IOCTL_DBQ_ASSIGN HGSL_IORW(0x03, uint32_t)
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#define HGSL_IOCTL_DBQ_RELEASE HGSL_IORW(0x04, uint32_t)
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#define HGSL_IOCTL_ISSUE_CMDS HGSL_IORW(0x05, struct hgsl_fhi_issud_cmds)
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#define HGSL_IOCTL_CTXT_CREATE HGSL_IOW(0x10, struct hgsl_ctxt_create_info)
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#define HGSL_IOCTL_CTXT_DESTROY HGSL_IOW(0x11, uint32_t)
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#define HGSL_IOCTL_WAIT_TIMESTAMP \
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HGSL_IOW(0x12, struct hgsl_wait_ts_info)
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#endif /* _UAPI_MSM_HGSL_H */
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