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Searched refs:cma (Results 1 – 25 of 85) sorted by relevance

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/openbmc/linux/mm/
H A Dcma.c39 struct cma cma_areas[MAX_CMA_AREAS];
43 phys_addr_t cma_get_base(const struct cma *cma) in cma_get_base() argument
45 return PFN_PHYS(cma->base_pfn); in cma_get_base()
48 unsigned long cma_get_size(const struct cma *cma) in cma_get_size() argument
50 return cma->count << PAGE_SHIFT; in cma_get_size()
53 const char *cma_get_name(const struct cma *cma) in cma_get_name() argument
55 return cma->name; in cma_get_name()
58 static unsigned long cma_bitmap_aligned_mask(const struct cma *cma, in cma_bitmap_aligned_mask() argument
61 if (align_order <= cma->order_per_bit) in cma_bitmap_aligned_mask()
63 return (1UL << (align_order - cma->order_per_bit)) - 1; in cma_bitmap_aligned_mask()
[all …]
H A Dcma_debug.c36 struct cma *cma = data; in cma_used_get() local
39 spin_lock_irq(&cma->lock); in cma_used_get()
41 used = bitmap_weight(cma->bitmap, (int)cma_bitmap_maxno(cma)); in cma_used_get()
42 spin_unlock_irq(&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 spin_lock_irq(&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.c17 void cma_sysfs_account_success_pages(struct cma *cma, unsigned long nr_pages) in cma_sysfs_account_success_pages() argument
19 atomic64_add(nr_pages, &cma->nr_pages_succeeded); in cma_sysfs_account_success_pages()
22 void cma_sysfs_account_fail_pages(struct cma *cma, unsigned long nr_pages) in cma_sysfs_account_fail_pages() argument
24 atomic64_add(nr_pages, &cma->nr_pages_failed); in cma_sysfs_account_fail_pages()
27 static inline struct cma *cma_from_kobj(struct kobject *kobj) in cma_from_kobj()
29 return container_of(kobj, struct cma_kobject, kobj)->cma; in cma_from_kobj()
35 struct cma *cma = cma_from_kobj(kobj); in alloc_pages_success_show() local
38 atomic64_read(&cma->nr_pages_succeeded)); in alloc_pages_success_show()
45 struct cma *cma = cma_from_kobj(kobj); in alloc_pages_fail_show() local
47 return sysfs_emit(buf, "%llu\n", atomic64_read(&cma->nr_pages_failed)); in alloc_pages_fail_show()
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H A Dcma.h10 struct cma *cma; member
13 struct cma { struct
36 extern struct cma cma_areas[MAX_CMA_AREAS]; argument
39 static inline unsigned long cma_bitmap_maxno(struct cma *cma) in cma_bitmap_maxno() argument
41 return cma->count >> cma->order_per_bit; in cma_bitmap_maxno()
45 void cma_sysfs_account_success_pages(struct cma *cma, unsigned long nr_pages);
46 void cma_sysfs_account_fail_pages(struct cma *cma, unsigned long nr_pages);
48 static inline void cma_sysfs_account_success_pages(struct cma *cma, in cma_sysfs_account_success_pages() argument
50 static inline void cma_sysfs_account_fail_pages(struct cma *cma, in cma_sysfs_account_fail_pages() argument
/openbmc/linux/include/linux/
H A Dcma.h27 struct cma;
30 extern phys_addr_t cma_get_base(const struct cma *cma);
31 extern unsigned long cma_get_size(const struct cma *cma);
32 extern const char *cma_get_name(const struct cma *cma);
37 bool fixed, const char *name, struct cma **res_cma,
42 bool fixed, const char *name, struct cma **res_cma) in cma_declare_contiguous()
50 struct cma **res_cma);
51 extern struct page *cma_alloc(struct cma *cma, unsigned long count, unsigned int align,
53 extern bool cma_pages_valid(struct cma *cma, const struct page *pages, unsigned long count);
54 extern bool cma_release(struct cma *cma, const struct page *pages, unsigned long count);
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H A Ddma-map-ops.h13 struct cma;
114 extern struct cma *dma_contiguous_default_area;
116 static inline struct cma *dev_get_cma_area(struct device *dev) in dev_get_cma_area()
125 phys_addr_t limit, struct cma **res_cma, bool fixed);
136 static inline struct cma *dev_get_cma_area(struct device *dev) in dev_get_cma_area()
144 phys_addr_t base, phys_addr_t limit, struct cma **res_cma, in dma_contiguous_reserve_area()
/openbmc/linux/kernel/dma/
H A Dcontiguous.c61 struct cma *dma_contiguous_default_area;
102 static struct cma *dma_contiguous_numa_area[MAX_NUMNODES];
104 static struct cma *dma_contiguous_pernuma_area[MAX_NUMNODES];
172 struct cma **cma; in dma_numa_cma_reserve() local
182 cma = &dma_contiguous_pernuma_area[nid]; in dma_numa_cma_reserve()
185 0, false, name, cma, nid); in dma_numa_cma_reserve()
193 cma = &dma_contiguous_numa_area[nid]; in dma_numa_cma_reserve()
196 name, cma, nid); in dma_numa_cma_reserve()
281 phys_addr_t limit, struct cma **res_cma, in dma_contiguous_reserve_area()
335 static struct page *cma_alloc_aligned(struct cma *cma, size_t size, gfp_t gfp) in cma_alloc_aligned() argument
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H A Dpool.c60 struct cma *cma; in cma_in_zone() local
62 cma = dev_get_cma_area(NULL); in cma_in_zone()
63 if (!cma) in cma_in_zone()
66 size = cma_get_size(cma); in cma_in_zone()
71 end = cma_get_base(cma) + size - 1; in cma_in_zone()
H A DKconfig153 You can disable CMA by specifying "cma=0" on the kernel's command
182 default, but it can be enabled by passing cma=size[MG] to the kernel.
194 enabled by passing cma=size[MG] to the kernel.
/openbmc/linux/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
/openbmc/linux/drivers/dma-buf/heaps/
H A Dcma_heap.c28 struct cma *cma; member
259 cma_release(cma_heap->cma, buffer->cma_pages, buffer->pagecount); in cma_heap_dma_buf_release()
303 cma_pages = cma_alloc(cma_heap->cma, pagecount, align, false); in cma_heap_allocate()
359 cma_release(cma_heap->cma, cma_pages, pagecount); in cma_heap_allocate()
370 static int __add_cma_heap(struct cma *cma, void *data) in __add_cma_heap() argument
378 cma_heap->cma = cma; in __add_cma_heap()
380 exp_info.name = cma_get_name(cma); in __add_cma_heap()
397 struct cma *default_cma = dev_get_cma_area(NULL); in add_default_cma_heap()
/openbmc/linux/Documentation/admin-guide/mm/
H A Dcma_debugfs.rst8 Each CMA area represents a directory under <debugfs>/cma/, represented by
11 <debugfs>/cma/<cma_name>
21 echo 5 > <debugfs>/cma/<cma_name>/alloc
/openbmc/linux/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()
/openbmc/linux/arch/xtensa/boot/dts/
H A Dkc705.dts22 linux,cma {
28 linux,cma-default;
/openbmc/linux/arch/arm64/boot/dts/freescale/
H A Dimx93-tqma9352.dtsi19 linux,cma {
24 linux,cma-default;
H A Dimx8ulp-evk.dts28 linux,cma {
32 linux,cma-default;
H A Dimx93-11x11-evk.dts23 linux,cma {
28 linux,cma-default;
H A Dimx8mn-tqma8mqnl.dtsi39 linux,cma {
46 linux,cma-default;
/openbmc/linux/arch/arm64/boot/dts/amlogic/
H A Dmeson-a1.dtsi54 linux,cma {
59 linux,cma-default;
/openbmc/linux/arch/arm/boot/dts/nxp/imx/
H A Dimx6ul-ccimx6ulsom.dtsi20 linux,cma {
24 linux,cma-default;
/openbmc/linux/drivers/gpu/drm/nouveau/include/nvkm/subdev/
H A Dpci.h23 bool cma; member
/openbmc/linux/drivers/infiniband/core/
H A DMakefile25 rdma_cm-y := cma.o cma_trace.o
/openbmc/linux/arch/arm/boot/dts/broadcom/
H A Dbcm283x.dtsi38 cma: linux,cma { label
42 linux,cma-default;
/openbmc/linux/include/trace/events/
H A Dcma.h3 #define TRACE_SYSTEM cma
/openbmc/linux/drivers/gpu/drm/nouveau/
H A Dnouveau_ttm.c299 drm->agp.cma = pci->agp.cma; in nouveau_ttm_init()

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