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f384316969
- Add nvmap_dev.h file which include declaration for functions and data structs which are exposed by nvmap_dev unit to other units. - Also, add nvmap_dev_int.h file which include declaration for functions which are internal to nvmap_dev unit that can be called by files within nvmap_dev unit. - Move definition of nvmap_handle_get_from_id, nvmap_install_fd, find_range_of_handles to nvmap_handle.c as they belong to nvmap_handle unit. - Cleanup nvmap_priv.h by moving all relevant items for nvmap_dev unit to nvmap_dev unit. - Remove nvmap_mm.c file as nvmap_zap_handle is the only function present; move it to nvmap_cache.c where it's being called. - Remove function declarations whose definition are not present. JIRA TMM-5694 JIRA TMM-5730 Change-Id: Ifd45235076da2ef0c628f3179d828c0ccadf6df2 Signed-off-by: Ketan Patil <ketanp@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3223994 Reviewed-by: Pritesh Raithatha <praithatha@nvidia.com> GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
82 lines
2.6 KiB
C
82 lines
2.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/* SPDX-FileCopyrightText: Copyright (c) 2009-2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved. */
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#ifndef __NVMAP_DEV_H
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#define __NVMAP_DEV_H
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#define NVMAP_HEAP_IOVMM (1ul<<30)
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/* common carveout heaps */
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#define NVMAP_HEAP_CARVEOUT_VPR (1ul<<28)
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#define NVMAP_HEAP_CARVEOUT_TSEC (1ul<<27)
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#define NVMAP_HEAP_CARVEOUT_VIDMEM (1ul<<26)
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#define NVMAP_HEAP_CARVEOUT_GPU (1ul << 3)
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#define NVMAP_HEAP_CARVEOUT_FSI (1ul<<2)
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#define NVMAP_HEAP_CARVEOUT_IVM (1ul<<1)
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#define NVMAP_HEAP_CARVEOUT_GENERIC (1ul<<0)
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#define NVMAP_HEAP_CARVEOUT_MASK (NVMAP_HEAP_IOVMM - 1)
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/* allocation flags */
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#define NVMAP_HANDLE_UNCACHEABLE (0x0ul << 0)
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#define NVMAP_HANDLE_WRITE_COMBINE (0x1ul << 0)
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#define NVMAP_HANDLE_INNER_CACHEABLE (0x2ul << 0)
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#define NVMAP_HANDLE_CACHEABLE (0x3ul << 0)
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#define NVMAP_HANDLE_CACHE_FLAG (0x3ul << 0)
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#define NVMAP_HANDLE_SECURE (0x1ul << 2)
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#define NVMAP_HANDLE_KIND_SPECIFIED (0x1ul << 3)
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#define NVMAP_HANDLE_COMPR_SPECIFIED (0x1ul << 4)
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#define NVMAP_HANDLE_ZEROED_PAGES (0x1ul << 5)
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#define NVMAP_HANDLE_PHYS_CONTIG (0x1ul << 6)
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#define NVMAP_HANDLE_CACHE_SYNC (0x1ul << 7)
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#define NVMAP_HANDLE_CACHE_SYNC_AT_RESERVE (0x1ul << 8)
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#define NVMAP_HANDLE_RO (0x1ul << 9)
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/*
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* A heap can be mapped to memory other than DRAM.
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* The HW, controls the memory, can be power gated/ungated
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* based upon the clients using the memory.
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* if no client/alloc happens from the memory, the HW needs
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* to be power gated. Similarly it should power ungated if
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* alloc happens from the memory.
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* int (*busy)(void) - trigger runtime power ungate
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* int (*idle)(void) - trigger runtime power gate
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*/
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struct nvmap_pm_ops {
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int (*busy)(void);
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int (*idle)(void);
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};
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struct nvmap_platform_carveout {
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const char *name;
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unsigned int usage_mask;
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phys_addr_t base;
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size_t size;
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struct device *cma_dev;
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bool resize;
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struct device *dma_dev;
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struct device dev;
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bool is_ivm;
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unsigned int peer;
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unsigned int vmid;
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int can_alloc;
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bool enable_static_dma_map;
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bool disable_dynamic_dma_map;
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bool no_cpu_access; /* carveout can't be accessed from cpu at all */
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bool init_done; /* FIXME: remove once all caveouts use reserved-memory */
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struct nvmap_pm_ops pm_ops;
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int numa_node_id; /* NUMA node id from which the carveout is allocated from */
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};
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struct nvmap_platform_data {
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const struct nvmap_platform_carveout *carveouts;
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unsigned int nr_carveouts;
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};
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bool is_nvmap_memory_available(size_t size, uint32_t heap, int numa_nid);
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void kasan_memcpy_toio(void __iomem *to, const void *from,
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size_t count);
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#endif /* __NVMAP_DEV_H */
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