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msm: kgsl: Add a flag for guard page allocation

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Add a flag to the user-space API header. Set this flag if a guard
page is needed for each mapped region.

Change-Id: I383fd9893e417195e7bfb03eabe008cd160b59c7
Signed-off-by: Raghu Ananya Arabolu <rarabolu@codeaurora.org>
This commit is contained in:
Raghu Ananya Arabolu 2020-05-13 14:38:42 -07:00
commit 3a50b92815
3 changed files with 16 additions and 12 deletions
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19
include/uapi/linux/msm_kgsl.h
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@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
* Copyright (c) 2018-2020, The Linux Foundation. All rights reserved.
*/
#ifndef _UAPI_MSM_KGSL_H
@ -126,10 +126,10 @@
/* --- Memory allocation flags --- */
/* General allocation hints */
#define KGSL_MEMFLAGS_SECURE 0x00000008ULL
#define KGSL_MEMFLAGS_GPUREADONLY 0x01000000U
#define KGSL_MEMFLAGS_GPUWRITEONLY 0x02000000U
#define KGSL_MEMFLAGS_FORCE_32BIT 0x100000000ULL
#define KGSL_MEMFLAGS_SECURE (1ULL << 3)
#define KGSL_MEMFLAGS_GPUREADONLY (1ULL << 24)
#define KGSL_MEMFLAGS_GPUWRITEONLY (1ULL << 25)
#define KGSL_MEMFLAGS_FORCE_32BIT (1ULL << 32)
/* Flag for binding all the virt range to single phys data */
#define KGSL_SPARSE_BIND_MULTIPLE_TO_PHYS 0x400000000ULL
@ -145,10 +145,11 @@
#define KGSL_CACHEMODE_WRITETHROUGH 2
#define KGSL_CACHEMODE_WRITEBACK 3
#define KGSL_MEMFLAGS_USE_CPU_MAP 0x10000000ULL
#define KGSL_MEMFLAGS_SPARSE_PHYS 0x20000000ULL
#define KGSL_MEMFLAGS_SPARSE_VIRT 0x40000000ULL
#define KGSL_MEMFLAGS_IOCOHERENT 0x80000000ULL
#define KGSL_MEMFLAGS_USE_CPU_MAP (1ULL << 28)
#define KGSL_MEMFLAGS_SPARSE_PHYS (1ULL << 29)
#define KGSL_MEMFLAGS_SPARSE_VIRT (1ULL << 30)
#define KGSL_MEMFLAGS_IOCOHERENT (1ULL << 31)
#define KGSL_MEMFLAGS_GUARD_PAGE (1ULL << 33)
/* Memory types for which allocations are made */
#define KGSL_MEMTYPE_MASK 0x0000FF00