| /linux/include/linux/ |
| H A D | dma-buf.h | 28 struct dma_buf;
64 int (*attach)(struct dma_buf *, struct dma_buf_attachment *);
75 void (*detach)(struct dma_buf *, struct dma_buf_attachment *);
195 void (*release)(struct dma_buf *);
222 int (*begin_cpu_access)(struct dma_buf *, enum dma_data_direction);
239 int (*end_cpu_access)(struct dma_buf *, enum dma_data_direction);
276 int (*mmap)(struct dma_buf *, struct vm_area_struct *vma);
278 int (*vmap)(struct dma_buf *dmabuf, struct iosys_map *map);
279 void (*vunmap)(struct dma_buf *dmabuf, struct iosys_map *map);
294 struct dma_buf { struct
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| H A D | virtio_dma_buf.h | 24 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);
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| /linux/drivers/gpu/drm/i915/gem/ |
| H A D | i915_gem_dmabuf.c | 22 static struct drm_i915_gem_object *dma_buf_to_obj(struct dma_buf *buf)
69 static int i915_gem_dmabuf_vmap(struct dma_buf *dma_buf, in i915_gem_dmabuf_vmap() argument
72 struct drm_i915_gem_object *obj = dma_buf_to_obj(dma_buf); in i915_gem_dmabuf_vmap()
84 static void i915_gem_dmabuf_vunmap(struct dma_buf *dma_buf, in i915_gem_dmabuf_vunmap() argument
87 struct drm_i915_gem_object *obj = dma_buf_to_obj(dma_buf); in i915_gem_dmabuf_vunmap()
93 static int i915_gem_dmabuf_mmap(struct dma_buf *dma_buf, struct vm_area_struct *vma) in i915_gem_dmabuf_mmap() argument
95 struct drm_i915_gem_object *obj = dma_buf_to_obj(dma_buf); in i915_gem_dmabuf_mmap()
117 static int i915_gem_begin_cpu_access(struct dma_buf *dma_buf, enum dma_data_direction direction) in i915_gem_begin_cpu_access() argument
119 struct drm_i915_gem_object *obj = dma_buf_to_obj(dma_buf); in i915_gem_begin_cpu_access()
142 static int i915_gem_end_cpu_access(struct dma_buf *dma_buf, enum dma_data_direction direction) in i915_gem_end_cpu_access() argument
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| H A D | i915_gem_dmabuf.h | 11 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);
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| /linux/drivers/virtio/ |
| H A D | virtio_dma_buf.c | 20 struct dma_buf *virtio_dma_buf_export in virtio_dma_buf_export()
42 int virtio_dma_buf_attach(struct dma_buf *dma_buf, in virtio_dma_buf_attach() argument
47 container_of(dma_buf->ops, in virtio_dma_buf_attach()
51 ret = ops->device_attach(dma_buf, attach); in virtio_dma_buf_attach()
63 bool is_virtio_dma_buf(struct dma_buf *dma_buf) in is_virtio_dma_buf() argument
65 return dma_buf->ops->attach == &virtio_dma_buf_attach; in is_virtio_dma_buf()
76 int virtio_dma_buf_get_uuid(struct dma_buf *dma_buf, in virtio_dma_buf_get_uuid() argument
80 container_of(dma_buf->ops, in virtio_dma_buf_get_uuid()
83 if (!is_virtio_dma_buf(dma_buf)) in virtio_dma_buf_get_uuid()
86 return ops->get_uuid(dma_buf, uuid); in virtio_dma_buf_get_uuid()
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| /linux/drivers/gpu/drm/amd/amdgpu/ |
| H A D | amdgpu_dma_buf.c | 77 static int amdgpu_dma_buf_attach(struct dma_buf *dmabuf, in amdgpu_dma_buf_attach()
134 struct dma_buf *dmabuf = attach->dmabuf; in amdgpu_dma_buf_pin()
196 struct dma_buf *dma_buf = attach->dmabuf; in amdgpu_dma_buf_map() local
197 struct drm_gem_object *obj = dma_buf->priv; in amdgpu_dma_buf_map()
290 static int amdgpu_dma_buf_begin_cpu_access(struct dma_buf *dma_buf, in amdgpu_dma_buf_begin_cpu_access() argument
293 struct amdgpu_bo *bo = gem_to_amdgpu_bo(dma_buf->priv); in amdgpu_dma_buf_begin_cpu_access()
319 static int amdgpu_dma_buf_vmap(struct dma_buf *dma_buf, struct iosys_map *map) in amdgpu_dma_buf_vmap() argument
321 struct drm_gem_object *obj = dma_buf->priv; in amdgpu_dma_buf_vmap()
333 ret = drm_gem_dmabuf_vmap(dma_buf, map); in amdgpu_dma_buf_vmap()
340 static void amdgpu_dma_buf_vunmap(struct dma_buf *dma_buf, struct iosys_map *map) in amdgpu_dma_buf_vunmap() argument
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| H A D | amdgpu_dma_buf.h | 28 struct dma_buf *amdgpu_gem_prime_export(struct drm_gem_object *gobj,
31 struct dma_buf *dma_buf);
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| /linux/drivers/gpu/drm/vmwgfx/ |
| H A D | ttm_object.c | 96 void (*dmabuf_release)(struct dma_buf *dma_buf);
130 static void ttm_prime_dmabuf_release(struct dma_buf *dma_buf);
472 static bool __must_check get_dma_buf_unless_doomed(struct dma_buf *dmabuf) in get_dma_buf_unless_doomed()
494 BUG_ON(prime->dma_buf != NULL); in ttm_prime_refcount_release()
510 static void ttm_prime_dmabuf_release(struct dma_buf *dma_buf) in ttm_prime_dmabuf_release() argument
513 (struct ttm_prime_object *) dma_buf->priv; in ttm_prime_dmabuf_release()
518 tdev->dmabuf_release(dma_buf); in ttm_prime_dmabuf_release()
520 if (prime->dma_buf == dma_buf) in ttm_prime_dmabuf_release()
521 prime->dma_buf = NULL; in ttm_prime_dmabuf_release()
541 struct dma_buf *dma_buf; in ttm_prime_fd_to_handle() local
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| H A D | vmwgfx_prime.c | 44 static int vmw_prime_map_attach(struct dma_buf *dma_buf, in vmw_prime_map_attach() argument
50 static void vmw_prime_map_detach(struct dma_buf *dma_buf, in vmw_prime_map_detach() argument
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| /linux/drivers/gpu/drm/omapdrm/ |
| H A D | omap_gem_dmabuf.c | 40 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()
80 struct dma_buf *omap_gem_prime_export(struct drm_gem_object *obj, int flags) in omap_gem_prime_export()
98 struct dma_buf *dma_buf) in omap_gem_prime_import() argument
105 if (dma_buf->ops == &omap_dmabuf_ops) { in omap_gem_prime_import()
106 obj = dma_buf->priv; in omap_gem_prime_import()
117 attach = dma_buf_attach(dma_buf, dev->dev); in omap_gem_prime_import()
121 get_dma_buf(dma_buf); in omap_gem_prime_import()
129 obj = omap_gem_new_dmabuf(dev, dma_buf->size, sgt); in omap_gem_prime_import()
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| /linux/drivers/scsi/lpfc/ |
| H A D | lpfc_mem.c | 564 struct hbq_dmabuf *dma_buf; in lpfc_sli4_rb_alloc() local
566 dma_buf = kzalloc(sizeof(struct hbq_dmabuf), GFP_KERNEL); in lpfc_sli4_rb_alloc()
567 if (!dma_buf) in lpfc_sli4_rb_alloc()
570 dma_buf->hbuf.virt = dma_pool_alloc(phba->lpfc_hrb_pool, GFP_KERNEL, in lpfc_sli4_rb_alloc()
571 &dma_buf->hbuf.phys); in lpfc_sli4_rb_alloc()
572 if (!dma_buf->hbuf.virt) { in lpfc_sli4_rb_alloc()
573 kfree(dma_buf); in lpfc_sli4_rb_alloc()
576 dma_buf->dbuf.virt = dma_pool_alloc(phba->lpfc_drb_pool, GFP_KERNEL, in lpfc_sli4_rb_alloc()
577 &dma_buf->dbuf.phys); in lpfc_sli4_rb_alloc()
578 if (!dma_buf->dbuf.virt) { in lpfc_sli4_rb_alloc()
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| /linux/drivers/i2c/busses/ |
| H A D | i2c-qcom-geni.c | 95 void **dma_buf; member
114 void *dma_buf; member
420 if (gi2c->dma_buf) { in geni_i2c_rx_msg_cleanup()
424 i2c_put_dma_safe_msg_buf(gi2c->dma_buf, cur, !gi2c->err); in geni_i2c_rx_msg_cleanup()
432 if (gi2c->dma_buf) { in geni_i2c_tx_msg_cleanup()
436 i2c_put_dma_safe_msg_buf(gi2c->dma_buf, cur, !gi2c->err); in geni_i2c_tx_msg_cleanup()
445 void *dma_buf; in geni_i2c_rx_one_msg() local
450 dma_buf = i2c_get_dma_safe_msg_buf(msg, 32); in geni_i2c_rx_one_msg()
451 if (dma_buf) in geni_i2c_rx_one_msg()
459 if (dma_buf && geni_se_rx_dma_prep(se, dma_buf, len, &rx_dma)) { in geni_i2c_rx_one_msg()
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| H A D | i2c-stm32.c | 86 dma->dma_buf = 0; in stm32_i2c_dma_free()
118 dma->dma_buf = dma_map_single(dev, buf, dma->dma_len, in stm32_i2c_prep_dma_xfer()
120 if (dma_mapping_error(dev, dma->dma_buf)) { in stm32_i2c_prep_dma_xfer()
125 txdesc = dmaengine_prep_slave_single(dma->chan_using, dma->dma_buf, in stm32_i2c_prep_dma_xfer()
150 dma_unmap_single(dev, dma->dma_buf, dma->dma_len, in stm32_i2c_prep_dma_xfer()
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| /linux/drivers/scsi/csiostor/ |
| H A D | csio_scsi.c | 206 struct csio_dma_buf *dma_buf; in csio_scsi_init_cmd_wr() local
222 dma_buf = &req->dma_buf; in csio_scsi_init_cmd_wr()
225 wr->rsp_dmalen = cpu_to_be32(dma_buf->len); in csio_scsi_init_cmd_wr()
226 wr->rsp_dmaaddr = cpu_to_be64(dma_buf->paddr); in csio_scsi_init_cmd_wr()
298 struct csio_dma_buf *dma_buf; in csio_scsi_init_ultptx_dsgl() local
329 dma_buf = (struct csio_dma_buf *)tmp; in csio_scsi_init_ultptx_dsgl()
331 sgl->addr0 = cpu_to_be64(dma_buf->paddr); in csio_scsi_init_ultptx_dsgl()
333 min(xfer_len, dma_buf->len)); in csio_scsi_init_ultptx_dsgl()
336 sge_pair->addr[1] = cpu_to_be64(dma_buf->paddr); in csio_scsi_init_ultptx_dsgl()
338 min(xfer_len, dma_buf->len)); in csio_scsi_init_ultptx_dsgl()
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| H A D | csio_lnode.c | 278 cmd = fdmi_req->dma_buf.vaddr; in csio_ln_fdmi_done()
312 cmd = fdmi_req->dma_buf.vaddr; in csio_ln_fdmi_rhba_cbfn()
391 FCOE_CT, &fdmi_req->dma_buf, len)) { in csio_ln_fdmi_rhba_cbfn()
428 cmd = fdmi_req->dma_buf.vaddr; in csio_ln_fdmi_dprt_cbfn()
498 FCOE_CT, &fdmi_req->dma_buf, len)) { in csio_ln_fdmi_dprt_cbfn()
529 cmd = fdmi_req->dma_buf.vaddr; in csio_ln_fdmi_dhba_cbfn()
550 FCOE_CT, &fdmi_req->dma_buf, len)) { in csio_ln_fdmi_dhba_cbfn()
588 cmd = fdmi_req->dma_buf.vaddr; in csio_ln_fdmi_start()
599 FCOE_CT, &fdmi_req->dma_buf, len)) { in csio_ln_fdmi_start()
1708 wr->rsp_dmalen = cpu_to_be32(io_req->dma_buf.len); in csio_ln_prep_ecwr()
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| /linux/drivers/dma-buf/ |
| H A D | dma-buf-sysfs-stats.h | 16 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()
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| H A D | dma-buf-sysfs-stats.c | 55 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()
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| H A D | udmabuf.c | 96 static int mmap_udmabuf(struct dma_buf *buf, struct vm_area_struct *vma) in mmap_udmabuf()
109 static int vmap_udmabuf(struct dma_buf *buf, struct iosys_map *map) in vmap_udmabuf()
135 static void vunmap_udmabuf(struct dma_buf *buf, struct iosys_map *map) in vunmap_udmabuf()
144 static struct sg_table *get_sg_table(struct device *dev, struct dma_buf *buf, in get_sg_table()
234 static void release_udmabuf(struct dma_buf *buf) in release_udmabuf()
246 static int begin_cpu_udmabuf(struct dma_buf *buf, in begin_cpu_udmabuf()
266 static int end_cpu_udmabuf(struct dma_buf *buf, in end_cpu_udmabuf()
311 static struct dma_buf *export_udmabuf(struct udmabuf *ubuf, in export_udmabuf()
379 struct dma_buf *dmabuf; in udmabuf_create()
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| /linux/drivers/xen/ |
| H A D | gntdev-dmabuf.c | 30 struct dma_buf *dmabuf;
220 static int dmabuf_exp_ops_attach(struct dma_buf *dma_buf, in dmabuf_exp_ops_attach() argument
235 static void dmabuf_exp_ops_detach(struct dma_buf *dma_buf, in dmabuf_exp_ops_detach() argument
327 static void dmabuf_exp_ops_release(struct dma_buf *dma_buf) in dmabuf_exp_ops_release() argument
329 struct gntdev_dmabuf *gntdev_dmabuf = dma_buf->priv; in dmabuf_exp_ops_release()
562 struct dma_buf *dma_buf; in dmabuf_imp_to_refs() local
569 dma_buf = dma_buf_get(fd); in dmabuf_imp_to_refs()
570 if (IS_ERR(dma_buf)) in dmabuf_imp_to_refs()
571 return ERR_CAST(dma_buf); in dmabuf_imp_to_refs()
582 attach = dma_buf_attach(dma_buf, dev); in dmabuf_imp_to_refs()
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| /linux/drivers/gpu/drm/xe/ |
| H A D | xe_dma_buf.h | 11 struct dma_buf *xe_gem_prime_export(struct drm_gem_object *obj, int flags);
13 struct dma_buf *dma_buf);
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| /linux/drivers/media/common/videobuf2/ |
| H A D | videobuf2-vmalloc.c | 32 struct dma_buf *dbuf;
212 static int vb2_vmalloc_dmabuf_ops_attach(struct dma_buf *dbuf, in vb2_vmalloc_dmabuf_ops_attach()
251 static void vb2_vmalloc_dmabuf_ops_detach(struct dma_buf *dbuf, in vb2_vmalloc_dmabuf_ops_detach()
304 static void vb2_vmalloc_dmabuf_ops_release(struct dma_buf *dbuf) in vb2_vmalloc_dmabuf_ops_release()
310 static int vb2_vmalloc_dmabuf_ops_vmap(struct dma_buf *dbuf, in vb2_vmalloc_dmabuf_ops_vmap()
320 static int vb2_vmalloc_dmabuf_ops_mmap(struct dma_buf *dbuf, in vb2_vmalloc_dmabuf_ops_mmap()
336 static struct dma_buf *vb2_vmalloc_get_dmabuf(struct vb2_buffer *vb, in vb2_vmalloc_get_dmabuf()
341 struct dma_buf *dbuf; in vb2_vmalloc_get_dmabuf()
404 struct dma_buf *dbuf, in vb2_vmalloc_attach_dmabuf()
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| /linux/drivers/dma-buf/heaps/ |
| H A D | system_heap.c | 73 static int system_heap_attach(struct dma_buf *dmabuf, in system_heap_attach()
103 static void system_heap_detach(struct dma_buf *dmabuf, in system_heap_detach()
142 static int system_heap_dma_buf_begin_cpu_access(struct dma_buf *dmabuf, in system_heap_dma_buf_begin_cpu_access()
163 static int system_heap_dma_buf_end_cpu_access(struct dma_buf *dmabuf, in system_heap_dma_buf_end_cpu_access()
184 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()
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| /linux/drivers/mtd/nand/raw/ |
| H A D | lpc32xx_mlc.c | 201 uint8_t *dma_buf; member
443 uint8_t *dma_buf; in lpc32xx_read_page() local
447 dma_buf = buf; in lpc32xx_read_page()
450 dma_buf = host->dma_buf; in lpc32xx_read_page()
476 res = lpc32xx_xmit_dma(mtd, dma_buf + i * 512, 512, in lpc32xx_read_page()
495 memcpy(buf, dma_buf, mtd->writesize); in lpc32xx_read_page()
507 uint8_t *dma_buf = (uint8_t *)buf; in lpc32xx_write_page_lowlevel() local
512 dma_buf = host->dma_buf; in lpc32xx_write_page_lowlevel()
513 memcpy(dma_buf, buf, mtd->writesize); in lpc32xx_write_page_lowlevel()
524 res = lpc32xx_xmit_dma(mtd, dma_buf + i * 512, 512, in lpc32xx_write_page_lowlevel()
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| /linux/drivers/net/wireless/mediatek/mt7601u/ |
| H A D | mcu.c | 284 const struct mt7601u_dma_buf *dma_buf, in __mt7601u_dma_fw() argument
288 struct mt7601u_dma_buf buf = *dma_buf; /* we need to fake length */ in __mt7601u_dma_fw()
336 mt7601u_dma_fw(struct mt7601u_dev *dev, struct mt7601u_dma_buf *dma_buf, in mt7601u_dma_fw() argument
345 ret = __mt7601u_dma_fw(dev, dma_buf, data, n, dst_addr); in mt7601u_dma_fw()
352 return mt7601u_dma_fw(dev, dma_buf, data + n, len - n, dst_addr + n); in mt7601u_dma_fw()
358 struct mt7601u_dma_buf dma_buf; in mt7601u_upload_firmware() local
366 if (mt7601u_usb_alloc_buf(dev, MCU_FW_URB_SIZE, &dma_buf)) { in mt7601u_upload_firmware()
374 ret = mt7601u_dma_fw(dev, &dma_buf, fw->ilm, ilm_len, sizeof(fw->ivb)); in mt7601u_upload_firmware()
380 ret = mt7601u_dma_fw(dev, &dma_buf, fw->ilm + ilm_len, in mt7601u_upload_firmware()
401 mt7601u_usb_free_buf(dev, &dma_buf); in mt7601u_upload_firmware()
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| /linux/drivers/gpu/drm/ |
| H A D | drm_gem_shmem_helper.c | 666 ret = dma_buf_mmap(obj->dma_buf, vma, 0); in drm_gem_shmem_mmap()
850 struct dma_buf *dma_buf) in drm_gem_shmem_prime_import_no_map() argument
858 if (drm_gem_is_prime_exported_dma_buf(dev, dma_buf)) { in drm_gem_shmem_prime_import_no_map()
863 obj = dma_buf->priv; in drm_gem_shmem_prime_import_no_map()
868 attach = dma_buf_attach(dma_buf, dev->dev); in drm_gem_shmem_prime_import_no_map()
872 get_dma_buf(dma_buf); in drm_gem_shmem_prime_import_no_map()
885 shmem->base.resv = dma_buf->resv; in drm_gem_shmem_prime_import_no_map()
890 dma_buf_detach(dma_buf, attach); in drm_gem_shmem_prime_import_no_map()
891 dma_buf_put(dma_buf); in drm_gem_shmem_prime_import_no_map()
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