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Searched refs:dma_buf (Results 1 – 25 of 135) sorted by relevance

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/linux-6.3-rc2/include/linux/
A Ddma-buf.h27 struct dma_buf;
203 void (*release)(struct dma_buf *);
302 struct dma_buf { struct
446 struct dma_buf *dmabuf; argument
509 struct dma_buf *dmabuf;
601 void dma_buf_detach(struct dma_buf *dmabuf,
609 struct dma_buf *dma_buf_get(int fd);
610 void dma_buf_put(struct dma_buf *dmabuf);
616 void dma_buf_move_notify(struct dma_buf *dma_buf);
617 int dma_buf_begin_cpu_access(struct dma_buf *dma_buf,
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A Dvirtio_dma_buf.h24 int (*device_attach)(struct dma_buf *dma_buf,
26 int (*get_uuid)(struct dma_buf *dma_buf, uuid_t *uuid);
29 int virtio_dma_buf_attach(struct dma_buf *dma_buf,
32 struct dma_buf *virtio_dma_buf_export
34 bool is_virtio_dma_buf(struct dma_buf *dma_buf);
35 int virtio_dma_buf_get_uuid(struct dma_buf *dma_buf, uuid_t *uuid);
/linux-6.3-rc2/drivers/gpu/drm/
A Ddrm_prime.c94 struct dma_buf *dma_buf; member
112 member->dma_buf = dma_buf; in drm_prime_add_buf_handle()
122 if (dma_buf > pos->dma_buf) in drm_prime_add_buf_handle()
170 struct dma_buf *dma_buf, in drm_prime_lookup_buf_handle() argument
180 if (member->dma_buf == dma_buf) { in drm_prime_lookup_buf_handle()
251 struct dma_buf *dma_buf; in drm_gem_dmabuf_export() local
304 struct dma_buf *dma_buf; in drm_gem_prime_fd_to_handle() local
331 WARN_ON(obj->dma_buf != dma_buf); in drm_gem_prime_fd_to_handle()
333 obj->dma_buf = dma_buf; in drm_gem_prime_fd_to_handle()
916 struct dma_buf *dma_buf, in drm_gem_prime_import_dev() argument
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/linux-6.3-rc2/include/drm/
A Ddrm_prime.h55 struct dma_buf;
66 struct dma_buf *drm_gem_dmabuf_export(struct drm_device *dev,
68 void drm_gem_dmabuf_release(struct dma_buf *dma_buf);
77 int drm_gem_map_attach(struct dma_buf *dma_buf,
79 void drm_gem_map_detach(struct dma_buf *dma_buf,
86 int drm_gem_dmabuf_vmap(struct dma_buf *dma_buf, struct iosys_map *map);
87 void drm_gem_dmabuf_vunmap(struct dma_buf *dma_buf, struct iosys_map *map);
90 int drm_gem_dmabuf_mmap(struct dma_buf *dma_buf, struct vm_area_struct *vma);
94 struct dma_buf *drm_gem_prime_export(struct drm_gem_object *obj,
101 struct dma_buf *dma_buf,
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/linux-6.3-rc2/drivers/virtio/
A Dvirtio_dma_buf.c20 struct dma_buf *virtio_dma_buf_export in virtio_dma_buf_export()
40 int virtio_dma_buf_attach(struct dma_buf *dma_buf, in virtio_dma_buf_attach() argument
45 container_of(dma_buf->ops, in virtio_dma_buf_attach()
49 ret = ops->device_attach(dma_buf, attach); in virtio_dma_buf_attach()
61 bool is_virtio_dma_buf(struct dma_buf *dma_buf) in is_virtio_dma_buf() argument
63 return dma_buf->ops->attach == &virtio_dma_buf_attach; in is_virtio_dma_buf()
74 int virtio_dma_buf_get_uuid(struct dma_buf *dma_buf, in virtio_dma_buf_get_uuid() argument
78 container_of(dma_buf->ops, in virtio_dma_buf_get_uuid()
81 if (!is_virtio_dma_buf(dma_buf)) in virtio_dma_buf_get_uuid()
84 return ops->get_uuid(dma_buf, uuid); in virtio_dma_buf_get_uuid()
/linux-6.3-rc2/drivers/gpu/drm/i915/gem/
A Di915_gem_dmabuf.c70 static int i915_gem_dmabuf_vmap(struct dma_buf *dma_buf, in i915_gem_dmabuf_vmap() argument
85 static void i915_gem_dmabuf_vunmap(struct dma_buf *dma_buf, in i915_gem_dmabuf_vunmap() argument
94 static int i915_gem_dmabuf_mmap(struct dma_buf *dma_buf, struct vm_area_struct *vma) in i915_gem_dmabuf_mmap() argument
120 static int i915_gem_begin_cpu_access(struct dma_buf *dma_buf, enum dma_data_direction direction) in i915_gem_begin_cpu_access() argument
145 static int i915_gem_end_cpu_access(struct dma_buf *dma_buf, enum dma_data_direction direction) in i915_gem_end_cpu_access() argument
285 struct dma_buf *dma_buf) in i915_gem_prime_import() argument
294 obj = dma_buf_to_obj(dma_buf); in i915_gem_prime_import()
314 get_dma_buf(dma_buf); in i915_gem_prime_import()
326 obj->base.resv = dma_buf->resv; in i915_gem_prime_import()
341 dma_buf_detach(dma_buf, attach); in i915_gem_prime_import()
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A Di915_gem_dmabuf.h11 struct dma_buf;
14 struct dma_buf *dma_buf);
16 struct dma_buf *i915_gem_prime_export(struct drm_gem_object *gem_obj, int flags);
/linux-6.3-rc2/drivers/gpu/drm/vmwgfx/
A Dttm_object.c99 void (*dmabuf_release)(struct dma_buf *dma_buf);
133 static void ttm_prime_dmabuf_release(struct dma_buf *dma_buf);
514 static void ttm_prime_dmabuf_release(struct dma_buf *dma_buf) in ttm_prime_dmabuf_release() argument
524 if (prime->dma_buf == dma_buf) in ttm_prime_dmabuf_release()
545 struct dma_buf *dma_buf; in ttm_prime_fd_to_handle() local
551 if (IS_ERR(dma_buf)) in ttm_prime_fd_to_handle()
562 dma_buf_put(dma_buf); in ttm_prime_fd_to_handle()
582 struct dma_buf *dma_buf; in ttm_prime_handle_to_fd() local
605 dma_buf = prime->dma_buf; in ttm_prime_handle_to_fd()
606 if (!dma_buf || !get_dma_buf_unless_doomed(dma_buf)) { in ttm_prime_handle_to_fd()
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A Dvmwgfx_prime.c42 static int vmw_prime_map_attach(struct dma_buf *dma_buf, in vmw_prime_map_attach() argument
48 static void vmw_prime_map_detach(struct dma_buf *dma_buf, in vmw_prime_map_detach() argument
/linux-6.3-rc2/drivers/gpu/drm/amd/amdgpu/
A Damdgpu_dma_buf.c142 struct dma_buf *dma_buf = attach->dmabuf; in amdgpu_dma_buf_map() local
235 static int amdgpu_dma_buf_begin_cpu_access(struct dma_buf *dma_buf, in amdgpu_dma_buf_begin_cpu_access() argument
292 struct dma_buf *buf; in amdgpu_gem_prime_export()
318 amdgpu_dma_buf_create_obj(struct drm_device *dev, struct dma_buf *dma_buf) in amdgpu_dma_buf_create_obj() argument
320 struct dma_resv *resv = dma_buf->resv; in amdgpu_dma_buf_create_obj()
434 struct dma_buf *dma_buf) in amdgpu_gem_prime_import() argument
440 obj = dma_buf->priv; in amdgpu_gem_prime_import()
462 get_dma_buf(dma_buf); in amdgpu_gem_prime_import()
483 struct dma_buf *dma_buf = obj->import_attach->dmabuf; in amdgpu_dmabuf_is_xgmi_accessible() local
485 if (dma_buf->ops != &amdgpu_dmabuf_ops) in amdgpu_dmabuf_is_xgmi_accessible()
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A Damdgpu_dma_buf.h28 struct dma_buf *amdgpu_gem_prime_export(struct drm_gem_object *gobj,
31 struct dma_buf *dma_buf);
/linux-6.3-rc2/drivers/gpu/drm/omapdrm/
A Domap_gem_dmabuf.c40 static int omap_gem_dmabuf_begin_cpu_access(struct dma_buf *buffer, in omap_gem_dmabuf_begin_cpu_access()
55 static int omap_gem_dmabuf_end_cpu_access(struct dma_buf *buffer, in omap_gem_dmabuf_end_cpu_access()
63 static int omap_gem_dmabuf_mmap(struct dma_buf *buffer, in omap_gem_dmabuf_mmap()
105 struct dma_buf *dma_buf) in omap_gem_prime_import() argument
112 if (dma_buf->ops == &omap_dmabuf_ops) { in omap_gem_prime_import()
113 obj = dma_buf->priv; in omap_gem_prime_import()
124 attach = dma_buf_attach(dma_buf, dev->dev); in omap_gem_prime_import()
128 get_dma_buf(dma_buf); in omap_gem_prime_import()
136 obj = omap_gem_new_dmabuf(dev, dma_buf->size, sgt); in omap_gem_prime_import()
149 dma_buf_detach(dma_buf, attach); in omap_gem_prime_import()
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/linux-6.3-rc2/drivers/gpu/drm/i915/gem/selftests/
A Dmock_dmabuf.c53 static void mock_dmabuf_release(struct dma_buf *dma_buf) in mock_dmabuf_release() argument
55 struct mock_dmabuf *mock = to_mock(dma_buf); in mock_dmabuf_release()
64 static int mock_dmabuf_vmap(struct dma_buf *dma_buf, struct iosys_map *map) in mock_dmabuf_vmap() argument
66 struct mock_dmabuf *mock = to_mock(dma_buf); in mock_dmabuf_vmap()
77 static void mock_dmabuf_vunmap(struct dma_buf *dma_buf, struct iosys_map *map) in mock_dmabuf_vunmap() argument
79 struct mock_dmabuf *mock = to_mock(dma_buf); in mock_dmabuf_vunmap()
84 static int mock_dmabuf_mmap(struct dma_buf *dma_buf, struct vm_area_struct *vma) in mock_dmabuf_mmap() argument
98 static struct dma_buf *mock_dmabuf(int npages) in mock_dmabuf()
102 struct dma_buf *dmabuf; in mock_dmabuf()
/linux-6.3-rc2/drivers/scsi/lpfc/
A Dlpfc_mem.c560 if (!dma_buf) in lpfc_sli4_rb_alloc()
565 if (!dma_buf->hbuf.virt) { in lpfc_sli4_rb_alloc()
566 kfree(dma_buf); in lpfc_sli4_rb_alloc()
571 if (!dma_buf->dbuf.virt) { in lpfc_sli4_rb_alloc()
574 kfree(dma_buf); in lpfc_sli4_rb_alloc()
578 return dma_buf; in lpfc_sli4_rb_alloc()
617 dma_buf = kzalloc(sizeof(*dma_buf), GFP_KERNEL); in lpfc_sli4_nvmet_alloc()
618 if (!dma_buf) in lpfc_sli4_nvmet_alloc()
624 kfree(dma_buf); in lpfc_sli4_nvmet_alloc()
632 kfree(dma_buf); in lpfc_sli4_nvmet_alloc()
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/linux-6.3-rc2/drivers/dma-buf/
A Ddma-buf-sysfs-stats.h16 int dma_buf_stats_setup(struct dma_buf *dmabuf, struct file *file);
18 void dma_buf_stats_teardown(struct dma_buf *dmabuf);
28 static inline int dma_buf_stats_setup(struct dma_buf *dmabuf, struct file *file) in dma_buf_stats_setup()
33 static inline void dma_buf_stats_teardown(struct dma_buf *dmabuf) {} in dma_buf_stats_teardown()
A Ddma-buf.c47 struct dma_buf *dmabuf; in dmabuffs_dname()
63 struct dma_buf *dmabuf; in dma_buf_release()
92 struct dma_buf *dmabuf; in dma_buf_file_release()
133 struct dma_buf *dmabuf; in dma_buf_mmap_internal()
159 struct dma_buf *dmabuf; in dma_buf_llseek()
211 struct dma_buf *dmabuf = container_of(dcb->poll, struct dma_buf, poll); in dma_buf_poll_cb()
244 struct dma_buf *dmabuf; in dma_buf_poll()
448 struct dma_buf *dmabuf; in dma_buf_ioctl()
615 struct dma_buf *dmabuf; in dma_buf_export()
730 struct dma_buf *dma_buf_get(int fd) in dma_buf_get()
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A Ddma-buf-sysfs-stats.c55 ssize_t (*show)(struct dma_buf *dmabuf,
66 struct dma_buf *dmabuf; in dma_buf_stats_attribute_show()
82 static ssize_t exporter_name_show(struct dma_buf *dmabuf, in exporter_name_show()
89 static ssize_t size_show(struct dma_buf *dmabuf, in size_show()
121 void dma_buf_stats_teardown(struct dma_buf *dmabuf) in dma_buf_stats_teardown()
171 int dma_buf_stats_setup(struct dma_buf *dmabuf, struct file *file) in dma_buf_stats_setup()
/linux-6.3-rc2/drivers/scsi/csiostor/
A Dcsio_scsi.c222 dma_buf = &req->dma_buf; in csio_scsi_init_cmd_wr()
381 dma_buf = &req->dma_buf; in csio_scsi_init_read_wr()
434 dma_buf = &req->dma_buf; in csio_scsi_init_write_wr()
1585 dma_buf = &req->dma_buf; in csio_scsi_err_handler()
2043 dma_buf = &req->dma_buf; in csio_tm_cbfn()
2448 dma_buf = &ioreq->dma_buf; in csio_scsim_init()
2450 &dma_buf->paddr); in csio_scsim_init()
2451 if (!dma_buf->vaddr) { in csio_scsim_init()
2488 dma_buf = &ioreq->dma_buf; in csio_scsim_init()
2490 dma_buf->paddr); in csio_scsim_init()
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/linux-6.3-rc2/drivers/i2c/busses/
A Di2c-qcom-geni.c95 void *dma_buf; member
409 void *dma_buf; in geni_i2c_rx_one_msg() local
415 if (dma_buf) in geni_i2c_rx_one_msg()
426 dma_buf = NULL; in geni_i2c_rx_one_msg()
430 gi2c->dma_buf = dma_buf; in geni_i2c_rx_one_msg()
448 void *dma_buf; in geni_i2c_tx_one_msg() local
454 if (dma_buf) in geni_i2c_tx_one_msg()
469 gi2c->dma_buf = dma_buf; in geni_i2c_tx_one_msg()
520 void *dma_buf; in geni_i2c_gpi() local
530 if (!dma_buf) in geni_i2c_gpi()
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A Di2c-stm32.c87 dma->dma_buf = 0; in stm32_i2c_dma_free()
121 dma->dma_buf = dma_map_single(chan_dev, buf, dma->dma_len, in stm32_i2c_prep_dma_xfer()
123 if (dma_mapping_error(chan_dev, dma->dma_buf)) { in stm32_i2c_prep_dma_xfer()
128 txdesc = dmaengine_prep_slave_single(dma->chan_using, dma->dma_buf, in stm32_i2c_prep_dma_xfer()
153 dma_unmap_single(chan_dev, dma->dma_buf, dma->dma_len, in stm32_i2c_prep_dma_xfer()
/linux-6.3-rc2/drivers/xen/
A Dgntdev-dmabuf.c29 struct dma_buf *dmabuf;
219 static int dmabuf_exp_ops_attach(struct dma_buf *dma_buf, in dmabuf_exp_ops_attach() argument
234 static void dmabuf_exp_ops_detach(struct dma_buf *dma_buf, in dmabuf_exp_ops_detach() argument
326 static void dmabuf_exp_ops_release(struct dma_buf *dma_buf) in dmabuf_exp_ops_release() argument
576 struct dma_buf *dma_buf; in dmabuf_imp_to_refs() local
582 dma_buf = dma_buf_get(fd); in dmabuf_imp_to_refs()
583 if (IS_ERR(dma_buf)) in dmabuf_imp_to_refs()
667 dma_buf_put(dma_buf); in dmabuf_imp_to_refs()
697 struct dma_buf *dma_buf; in dmabuf_imp_release() local
713 dma_buf = attach->dmabuf; in dmabuf_imp_release()
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/linux-6.3-rc2/drivers/dma-buf/heaps/
A Dcma_heap.c51 static int cma_heap_attach(struct dma_buf *dmabuf, in cma_heap_attach()
84 static void cma_heap_detach(struct dma_buf *dmabuf, in cma_heap_detach()
122 static int cma_heap_dma_buf_begin_cpu_access(struct dma_buf *dmabuf, in cma_heap_dma_buf_begin_cpu_access()
143 static int cma_heap_dma_buf_end_cpu_access(struct dma_buf *dmabuf, in cma_heap_dma_buf_end_cpu_access()
182 static int cma_heap_mmap(struct dma_buf *dmabuf, struct vm_area_struct *vma) in cma_heap_mmap()
208 static int cma_heap_vmap(struct dma_buf *dmabuf, struct iosys_map *map) in cma_heap_vmap()
235 static void cma_heap_vunmap(struct dma_buf *dmabuf, struct iosys_map *map) in cma_heap_vunmap()
248 static void cma_heap_dma_buf_release(struct dma_buf *dmabuf) in cma_heap_dma_buf_release()
279 static struct dma_buf *cma_heap_allocate(struct dma_heap *heap, in cma_heap_allocate()
291 struct dma_buf *dmabuf; in cma_heap_allocate()
A Dsystem_heap.c84 static int system_heap_attach(struct dma_buf *dmabuf, in system_heap_attach()
115 static void system_heap_detach(struct dma_buf *dmabuf, in system_heap_detach()
155 static int system_heap_dma_buf_begin_cpu_access(struct dma_buf *dmabuf, in system_heap_dma_buf_begin_cpu_access()
176 static int system_heap_dma_buf_end_cpu_access(struct dma_buf *dmabuf, in system_heap_dma_buf_end_cpu_access()
197 static int system_heap_mmap(struct dma_buf *dmabuf, struct vm_area_struct *vma) in system_heap_mmap()
247 static int system_heap_vmap(struct dma_buf *dmabuf, struct iosys_map *map) in system_heap_vmap()
275 static void system_heap_vunmap(struct dma_buf *dmabuf, struct iosys_map *map) in system_heap_vunmap()
288 static void system_heap_dma_buf_release(struct dma_buf *dmabuf) in system_heap_dma_buf_release()
338 static struct dma_buf *system_heap_allocate(struct dma_heap *heap, in system_heap_allocate()
347 struct dma_buf *dmabuf; in system_heap_allocate()
/linux-6.3-rc2/drivers/media/common/videobuf2/
A Dvideobuf2-vmalloc.c33 struct dma_buf *dbuf;
211 static int vb2_vmalloc_dmabuf_ops_attach(struct dma_buf *dbuf, in vb2_vmalloc_dmabuf_ops_attach()
250 static void vb2_vmalloc_dmabuf_ops_detach(struct dma_buf *dbuf, in vb2_vmalloc_dmabuf_ops_detach()
303 static void vb2_vmalloc_dmabuf_ops_release(struct dma_buf *dbuf) in vb2_vmalloc_dmabuf_ops_release()
309 static int vb2_vmalloc_dmabuf_ops_vmap(struct dma_buf *dbuf, in vb2_vmalloc_dmabuf_ops_vmap()
319 static int vb2_vmalloc_dmabuf_ops_mmap(struct dma_buf *dbuf, in vb2_vmalloc_dmabuf_ops_mmap()
337 static struct dma_buf *vb2_vmalloc_get_dmabuf(struct vb2_buffer *vb, in vb2_vmalloc_get_dmabuf()
342 struct dma_buf *dbuf; in vb2_vmalloc_get_dmabuf()
405 struct dma_buf *dbuf, in vb2_vmalloc_attach_dmabuf()
/linux-6.3-rc2/drivers/mtd/nand/raw/
A Dlpc32xx_mlc.c201 uint8_t *dma_buf; member
442 uint8_t *dma_buf; in lpc32xx_read_page() local
446 dma_buf = buf; in lpc32xx_read_page()
449 dma_buf = host->dma_buf; in lpc32xx_read_page()
475 res = lpc32xx_xmit_dma(mtd, dma_buf + i * 512, 512, in lpc32xx_read_page()
494 memcpy(buf, dma_buf, mtd->writesize); in lpc32xx_read_page()
506 uint8_t *dma_buf = (uint8_t *)buf; in lpc32xx_write_page_lowlevel() local
511 dma_buf = host->dma_buf; in lpc32xx_write_page_lowlevel()
512 memcpy(dma_buf, buf, mtd->writesize); in lpc32xx_write_page_lowlevel()
523 res = lpc32xx_xmit_dma(mtd, dma_buf + i * 512, 512, in lpc32xx_write_page_lowlevel()
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