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Searched refs:cma (Results 1 – 25 of 107) sorted by relevance

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/OK3568_Linux_fs/kernel/mm/
H A Dcma.c48 struct cma cma_areas[MAX_CMA_AREAS];
52 phys_addr_t cma_get_base(const struct cma *cma) in cma_get_base() argument
54 return PFN_PHYS(cma->base_pfn); in cma_get_base()
57 unsigned long cma_get_size(const struct cma *cma) in cma_get_size() argument
59 return cma->count << PAGE_SHIFT; in cma_get_size()
62 const char *cma_get_name(const struct cma *cma) in cma_get_name() argument
64 return cma->name; in cma_get_name()
68 static unsigned long cma_bitmap_aligned_mask(const struct cma *cma, in cma_bitmap_aligned_mask() argument
71 if (align_order <= cma->order_per_bit) in cma_bitmap_aligned_mask()
73 return (1UL << (align_order - cma->order_per_bit)) - 1; in cma_bitmap_aligned_mask()
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H A Dcma_debug.c36 struct cma *cma = data; in cma_used_get() local
39 mutex_lock(&cma->lock); in cma_used_get()
41 used = bitmap_weight(cma->bitmap, (int)cma_bitmap_maxno(cma)); in cma_used_get()
42 mutex_unlock(&cma->lock); in cma_used_get()
43 *val = (u64)used << cma->order_per_bit; in cma_used_get()
51 struct cma *cma = data; in cma_maxchunk_get() local
54 unsigned long bitmap_maxno = cma_bitmap_maxno(cma); in cma_maxchunk_get()
56 mutex_lock(&cma->lock); in cma_maxchunk_get()
58 start = find_next_zero_bit(cma->bitmap, bitmap_maxno, end); in cma_maxchunk_get()
61 end = find_next_bit(cma->bitmap, bitmap_maxno, start); in cma_maxchunk_get()
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H A Dcma_sysfs.c20 void cma_sysfs_account_success_pages(struct cma *cma, unsigned long nr_pages) in cma_sysfs_account_success_pages() argument
22 atomic64_add(nr_pages, &cma->nr_pages_succeeded); in cma_sysfs_account_success_pages()
25 void cma_sysfs_account_fail_pages(struct cma *cma, unsigned long nr_pages) in cma_sysfs_account_fail_pages() argument
27 atomic64_add(nr_pages, &cma->nr_pages_failed); in cma_sysfs_account_fail_pages()
30 static inline struct cma *cma_from_kobj(struct kobject *kobj) in cma_from_kobj()
32 return container_of(kobj, struct cma_kobject, kobj)->cma; in cma_from_kobj()
38 struct cma *cma = cma_from_kobj(kobj); in alloc_pages_success_show() local
41 atomic64_read(&cma->nr_pages_succeeded)); in alloc_pages_success_show()
48 struct cma *cma = cma_from_kobj(kobj); in alloc_pages_fail_show() local
50 return sysfs_emit(buf, "%llu\n", atomic64_read(&cma->nr_pages_failed)); in alloc_pages_fail_show()
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H A Dcma.h11 struct cma *cma; member
14 struct cma { struct
37 extern struct cma cma_areas[MAX_CMA_AREAS]; argument
40 static inline unsigned long cma_bitmap_maxno(struct cma *cma) in cma_bitmap_maxno() argument
42 return cma->count >> cma->order_per_bit; in cma_bitmap_maxno()
46 void cma_sysfs_account_success_pages(struct cma *cma, unsigned long nr_pages);
47 void cma_sysfs_account_fail_pages(struct cma *cma, unsigned long nr_pages);
49 static inline void cma_sysfs_account_success_pages(struct cma *cma, in cma_sysfs_account_success_pages() argument
51 static inline void cma_sysfs_account_fail_pages(struct cma *cma, in cma_sysfs_account_fail_pages() argument
H A Dcma_debug_bitmap_hex.c94 static int cma_debugfs_add_one(struct cma *cma, struct dentry *root_dentry) in cma_debugfs_add_one() argument
99 scnprintf(name, sizeof(name), "cma-%s", cma->name); in cma_debugfs_add_one()
105 debugfs_create_u32_array_hex("bitmap_hex", 0444, tmp, &cma->dfs_bitmap); in cma_debugfs_add_one()
/OK3568_Linux_fs/kernel/drivers/soc/rockchip/
H A Drk_cma_procfs.c30 static void cma_procfs_show_bitmap(struct seq_file *s, struct cma *cma) in cma_procfs_show_bitmap() argument
32 int elements = DIV_ROUND_UP(cma_bitmap_maxno(cma), BITS_PER_BYTE * sizeof(u32)); in cma_procfs_show_bitmap()
34 u32 *array = (u32 *)cma->bitmap; in cma_procfs_show_bitmap()
48 static u64 cma_procfs_used_get(struct cma *cma) in cma_procfs_used_get() argument
52 mutex_lock(&cma->lock); in cma_procfs_used_get()
53 used = bitmap_weight(cma->bitmap, (int)cma_bitmap_maxno(cma)); in cma_procfs_used_get()
54 mutex_unlock(&cma->lock); in cma_procfs_used_get()
56 return (u64)used << cma->order_per_bit; in cma_procfs_used_get()
61 struct cma *cma = s->private; in cma_procfs_show() local
62 u64 used = cma_procfs_used_get(cma); in cma_procfs_show()
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/OK3568_Linux_fs/kernel/include/linux/
H A Dcma.h23 struct cma;
35 extern phys_addr_t cma_get_base(const struct cma *cma);
36 extern unsigned long cma_get_size(const struct cma *cma);
37 extern const char *cma_get_name(const struct cma *cma);
42 bool fixed, const char *name, struct cma **res_cma,
47 bool fixed, const char *name, struct cma **res_cma) in cma_declare_contiguous()
55 struct cma **res_cma);
56 extern struct page *cma_alloc(struct cma *cma, size_t count, unsigned int align,
58 extern bool cma_release(struct cma *cma, const struct page *pages, unsigned int count);
62 extern int cma_for_each_area(int (*it)(struct cma *cma, void *data), void *data);
H A Ddma-map-ops.h13 struct cma;
107 extern struct cma *dma_contiguous_default_area;
109 static inline struct cma *dev_get_cma_area(struct device *dev) in dev_get_cma_area()
118 phys_addr_t limit, struct cma **res_cma, bool fixed);
129 static inline struct cma *dev_get_cma_area(struct device *dev) in dev_get_cma_area()
137 phys_addr_t base, phys_addr_t limit, struct cma **res_cma, in dma_contiguous_reserve_area()
/OK3568_Linux_fs/kernel/kernel/dma/
H A Dcontiguous.c61 struct cma *dma_contiguous_default_area;
103 static struct cma *dma_contiguous_pernuma_area[MAX_NUMNODES];
143 struct cma **cma = &dma_contiguous_pernuma_area[nid]; in dma_pernuma_cma_reserve() local
147 0, false, name, cma, nid); in dma_pernuma_cma_reserve()
230 phys_addr_t limit, struct cma **res_cma, in dma_contiguous_reserve_area()
285 static struct page *cma_alloc_aligned(struct cma *cma, size_t size, gfp_t gfp) in cma_alloc_aligned() argument
289 return cma_alloc(cma, size >> PAGE_SHIFT, align, in cma_alloc_aligned()
329 struct cma *cma = dma_contiguous_pernuma_area[nid]; in dma_alloc_contiguous() local
332 if (cma) { in dma_alloc_contiguous()
333 page = cma_alloc_aligned(cma, size, gfp); in dma_alloc_contiguous()
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H A Dpool.c63 struct cma *cma; in cma_in_zone() local
65 cma = dev_get_cma_area(NULL); in cma_in_zone()
66 if (!cma) in cma_in_zone()
69 size = cma_get_size(cma); in cma_in_zone()
74 end = cma_get_base(cma) + size - 1; in cma_in_zone()
/OK3568_Linux_fs/kernel/drivers/dma-buf/rk_heaps/
H A Drk-cma-heap.c34 struct cma *cma; member
400 cma_release(cma_heap->cma, buffer->cma_pages, buffer->pagecount); in rk_cma_heap_dma_buf_release()
450 cma_pages = cma_alloc(cma_heap->cma, pagecount, align, GFP_KERNEL); in rk_cma_heap_allocate()
521 cma_release(cma_heap->cma, cma_pages, pagecount); in rk_cma_heap_allocate()
541 page = cma_alloc(cma_heap->cma, pagecount, align, GFP_KERNEL); in rk_cma_heap_allocate_pages()
547 cma_release(cma_heap->cma, page, pagecount); in rk_cma_heap_allocate_pages()
565 cma_release(cma_heap->cma, page, pagecount); in rk_cma_heap_free_pages()
578 static int __rk_add_cma_heap(struct cma *cma, void *data) in __rk_add_cma_heap() argument
586 cma_heap->cma = cma; in __rk_add_cma_heap()
588 exp_info.name = cma_get_name(cma); in __rk_add_cma_heap()
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H A DMakefile3 rk-cma-heap-objs := rk-dma-cma.o rk-cma-heap.o
6 obj-$(CONFIG_DMABUF_HEAPS_ROCKCHIP_CMA_HEAP) += rk-cma-heap.o
H A Drk-dma-cma.c19 static struct cma *rk_dma_heap_cma;
74 struct cma *rk_dma_heap_get_cma(void) in rk_dma_heap_get_cma()
/OK3568_Linux_fs/kernel/drivers/staging/android/ion/heaps/
H A Dion_cma_heap.c20 struct cma *cma; member
41 pages = cma_alloc(cma_heap->cma, nr_pages, align, false); in ion_cma_allocate()
81 cma_release(cma_heap->cma, pages, nr_pages); in ion_cma_allocate()
92 cma_release(cma_heap->cma, pages, nr_pages); in ion_cma_free()
103 static int __ion_add_cma_heap(struct cma *cma, void *data) in __ion_add_cma_heap() argument
115 cma_heap->heap.name = cma_get_name(cma); in __ion_add_cma_heap()
121 cma_heap->cma = cma; in __ion_add_cma_heap()
134 for (nr = 0; nr < MAX_CMA_AREAS && cma_heaps[nr].cma; nr++) in ion_cma_heap_init()
145 for (nr = 0; nr < MAX_CMA_AREAS && cma_heaps[nr].cma; nr++) in ion_cma_heap_exit()
/OK3568_Linux_fs/kernel/Documentation/ABI/testing/
H A Dsysfs-kernel-mm-cma1 What: /sys/kernel/mm/cma/
5 /sys/kernel/mm/cma/ contains a subdirectory for each CMA
9 /sys/kernel/mm/cma/<cma-heap-name> directory) contains the
15 What: /sys/kernel/mm/cma/<cma-heap-name>/alloc_pages_success
21 What: /sys/kernel/mm/cma/<cma-heap-name>/alloc_pages_fail
/OK3568_Linux_fs/kernel/Documentation/admin-guide/mm/
H A Dcma_debugfs.rst8 Each CMA zone represents a directory under <debugfs>/cma/, indexed by the
11 <debugfs>/cma/cma-0
21 echo 5 > <debugfs>/cma/cma-2/alloc
23 would try to allocate 5 pages from the cma-2 area.
/OK3568_Linux_fs/kernel/drivers/dma-buf/heaps/
H A Dcma_heap.c28 struct cma *cma; member
256 cma_release(cma_heap->cma, buffer->cma_pages, buffer->pagecount); in cma_heap_dma_buf_release()
300 cma_pages = cma_alloc(cma_heap->cma, pagecount, align, GFP_KERNEL); in cma_heap_allocate()
357 cma_release(cma_heap->cma, cma_pages, pagecount); in cma_heap_allocate()
368 static int __add_cma_heap(struct cma *cma, void *data) in __add_cma_heap() argument
376 cma_heap->cma = cma; in __add_cma_heap()
378 exp_info.name = cma_get_name(cma); in __add_cma_heap()
395 struct cma *default_cma = dev_get_cma_area(NULL); in add_default_cma_heap()
H A Drk_cma_heap.c31 struct cma *cma; member
326 cma_release(cma_heap->cma, buffer->cma_pages, buffer->pagecount); in cma_heap_dma_buf_release()
377 cma_pages = cma_alloc(cma_heap->cma, pagecount, align, GFP_KERNEL); in cma_heap_do_allocate()
441 cma_release(cma_heap->cma, cma_pages, pagecount); in cma_heap_do_allocate()
544 static int __add_cma_heap(struct cma *cma, void *data) in __add_cma_heap() argument
553 cma_heap->cma = cma; in __add_cma_heap()
571 cma_uncached_heap->cma = cma; in __add_cma_heap()
606 struct cma *default_cma = dev_get_cma_area(NULL); in add_default_cma_heap()
/OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/staging/ion/
H A Drockchip-ion.txt7 - cma-heap: Allocate continous physicall region.
9 - reg0: base address of cma region
10 - reg1: size of cma region
19 cma-heap {
/OK3568_Linux_fs/kernel/arch/s390/mm/
H A Dinit.c239 static int s390_cma_check_range(struct cma *cma, void *data) in s390_cma_check_range() argument
245 start = cma_get_base(cma); in s390_cma_check_range()
246 end = start + cma_get_size(cma); in s390_cma_check_range()
/OK3568_Linux_fs/kernel/arch/xtensa/boot/dts/
H A Dkc705.dts22 linux,cma {
28 linux,cma-default;
/OK3568_Linux_fs/debian/overlay/etc/udev/rules.d/
H A D99-rockchip-permissions.rules20 KERNEL=="cma", MODE="0660", GROUP="video"
21 KERNEL=="cma-uncached", MODE="0660", GROUP="video"
/OK3568_Linux_fs/yocto/meta-rockchip/recipes-core/udev/files/
H A D99-rockchip-permissions.rules20 KERNEL=="cma", MODE="0660", GROUP="video"
21 KERNEL=="cma-uncached", MODE="0660", GROUP="video"
/OK3568_Linux_fs/external/rkscript/
H A D99-rockchip-permissions.rules20 KERNEL=="cma", MODE="0660", GROUP="video"
21 KERNEL=="cma-uncached", MODE="0660", GROUP="video"
/OK3568_Linux_fs/kernel/arch/arm/boot/dts/
H A Drv1106-evb-ext-sii902x-rgb-to-hdmi-v10.dtsi14 linux,cma {
19 linux,cma-default;

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