| /Linux-v5.15/lib/ |
| D | test_hmm.c | 101 static int dmirror_bounce_init(struct dmirror_bounce *bounce, in dmirror_bounce_init() argument
105 bounce->addr = addr; in dmirror_bounce_init()
106 bounce->size = size; in dmirror_bounce_init()
107 bounce->cpages = 0; in dmirror_bounce_init()
108 bounce->ptr = vmalloc(size); in dmirror_bounce_init()
109 if (!bounce->ptr) in dmirror_bounce_init()
114 static void dmirror_bounce_fini(struct dmirror_bounce *bounce) in dmirror_bounce_fini() argument
116 vfree(bounce->ptr); in dmirror_bounce_fini()
316 unsigned long end, struct dmirror_bounce *bounce) in dmirror_do_read() argument
321 ptr = bounce->ptr + ((start - bounce->addr) & PAGE_MASK); in dmirror_do_read()
[all …]
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| /Linux-v5.15/arch/s390/mm/ |
| D | maccess.c | 228 void *bounce = (void *) addr; in xlate_dev_mem_ptr() local
235 bounce = (void *) __get_free_page(GFP_ATOMIC); in xlate_dev_mem_ptr()
236 if (bounce) in xlate_dev_mem_ptr()
237 memcpy_absolute(bounce, (void *) addr, size); in xlate_dev_mem_ptr()
241 return bounce; in xlate_dev_mem_ptr()
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| /Linux-v5.15/drivers/gpu/drm/ |
| D | drm_cache.c | 233 char bounce[MEMCPY_BOUNCE_SIZE]; in memcpy_fallback() local
238 memcpy_fromio(bounce, _src, MEMCPY_BOUNCE_SIZE); in memcpy_fallback()
239 memcpy_toio(_dst, bounce, MEMCPY_BOUNCE_SIZE); in memcpy_fallback()
245 memcpy_fromio(bounce, _src, MEMCPY_BOUNCE_SIZE); in memcpy_fallback()
246 memcpy_toio(_dst, bounce, MEMCPY_BOUNCE_SIZE); in memcpy_fallback()
|
| /Linux-v5.15/drivers/gpu/drm/vmwgfx/ |
| D | vmwgfx_ioctl.c | 124 void *bounce = NULL; in vmw_get_cap_3d_ioctl() local
142 bounce = vzalloc(size); in vmw_get_cap_3d_ioctl()
143 if (unlikely(bounce == NULL)) { in vmw_get_cap_3d_ioctl()
148 ret = vmw_devcaps_copy(dev_priv, vmw_fp->gb_aware, bounce, size); in vmw_get_cap_3d_ioctl()
152 ret = copy_to_user(buffer, bounce, size); in vmw_get_cap_3d_ioctl()
156 vfree(bounce); in vmw_get_cap_3d_ioctl()
|
| D | vmwgfx_devcaps.c | 55 static int vmw_fill_compat_cap(struct vmw_private *dev_priv, void *bounce, in vmw_fill_compat_cap() argument
59 (struct svga_3d_compat_cap *) bounce; in vmw_fill_compat_cap()
|
| /Linux-v5.15/Documentation/devicetree/bindings/misc/ |
| D | brcm,kona-smc.txt | 3 This binding defines the location of the bounce buffer
9 - reg : Location and size of bounce buffer
|
| /Linux-v5.15/drivers/misc/eeprom/ |
| D | at25.c | 194 u8 *bounce; in at25_ee_write() local
207 bounce = kmalloc(buf_size + at25->addrlen + 1, GFP_KERNEL); in at25_ee_write()
208 if (!bounce) in at25_ee_write()
219 u8 *cp = bounce; in at25_ee_write()
254 status = spi_write(at25->spi, bounce, in at25_ee_write()
300 kfree(bounce); in at25_ee_write()
|
| /Linux-v5.15/drivers/char/ |
| D | mem.c | 117 char *bounce; in read_mem() local
141 bounce = kmalloc(PAGE_SIZE, GFP_KERNEL); in read_mem()
142 if (!bounce) in read_mem()
170 probe = copy_from_kernel_nofault(bounce, ptr, sz); in read_mem()
175 remaining = copy_to_user(buf, bounce, sz); in read_mem()
188 kfree(bounce); in read_mem()
194 kfree(bounce); in read_mem()
|
| /Linux-v5.15/Documentation/i2c/ |
| D | dma-considerations.rst | 49 bounce buffer. But you don't need to care about that detail, just use the
50 returned buffer. If NULL is returned, the threshold was not met or a bounce
54 function ensures a potentially used bounce buffer is freed::
62 The bounce buffer handling from the core is generic and simple. It will always
63 allocate a new bounce buffer. If you want a more sophisticated handling (e.g.
|
| /Linux-v5.15/block/ |
| D | blk-settings.c | 54 lim->bounce = BLK_BOUNCE_NONE; in blk_set_default_limits()
98 void blk_queue_bounce_limit(struct request_queue *q, enum blk_bounce bounce) in blk_queue_bounce_limit() argument
100 q->limits.bounce = bounce; in blk_queue_bounce_limit()
528 t->bounce = max(t->bounce, b->bounce); in blk_stack_limits()
|
| D | bounce.c | 216 bool bounce = false; in __blk_queue_bounce() local
223 bounce = true; in __blk_queue_bounce()
225 if (!bounce) in __blk_queue_bounce()
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| D | Makefile | 14 obj-$(CONFIG_BOUNCE) += bounce.o
|
| D | blk.h | 320 q->limits.bounce == BLK_BOUNCE_HIGH && in blk_queue_may_bounce()
|
| /Linux-v5.15/Documentation/devicetree/bindings/leds/ |
| D | leds-el15203000.txt | 20 - bounce pattern
21 - inversed bounce pattern
|
| /Linux-v5.15/drivers/gpu/drm/sun4i/ |
| D | sun6i_mipi_dsi.c | 886 u8 *bounce; in sun6i_dsi_dcs_write_long() local
892 bounce = kzalloc(ALIGN(msg->tx_len + sizeof(crc), 4), GFP_KERNEL); in sun6i_dsi_dcs_write_long()
893 if (!bounce) in sun6i_dsi_dcs_write_long()
896 memcpy(bounce, msg->tx_buf, msg->tx_len); in sun6i_dsi_dcs_write_long()
899 crc = sun6i_dsi_crc_compute(bounce, msg->tx_len); in sun6i_dsi_dcs_write_long()
900 memcpy((u8 *)bounce + msg->tx_len, &crc, sizeof(crc)); in sun6i_dsi_dcs_write_long()
903 regmap_bulk_write(dsi->regs, SUN6I_DSI_CMD_TX_REG(1), bounce, DIV_ROUND_UP(len, 4)); in sun6i_dsi_dcs_write_long()
905 kfree(bounce); in sun6i_dsi_dcs_write_long()
|
| /Linux-v5.15/drivers/mtd/nand/raw/ |
| D | r852.c | 174 int bounce = 0; in r852_do_dma() local
193 bounce = 1; in r852_do_dma()
195 if (!bounce) { in r852_do_dma()
200 bounce = 1; in r852_do_dma()
203 if (bounce) { in r852_do_dma()
223 if (do_read && bounce) in r852_do_dma()
|
| /Linux-v5.15/drivers/staging/media/hantro/ |
| D | TODO | 11 * Instead of having a DMA bounce buffer, it could be possible to use a
|
| /Linux-v5.15/drivers/media/usb/go7007/ |
| D | go7007-driver.c | 82 void *bounce; in go7007_load_encoder() local
97 bounce = kmemdup(fw_entry->data + 16, fw_len, GFP_KERNEL); in go7007_load_encoder()
98 if (bounce == NULL) { in go7007_load_encoder()
105 go->boot_fw = bounce; in go7007_load_encoder()
|
| /Linux-v5.15/Documentation/leds/ |
| D | leds-el15203000.rst | 114 Inverted bounce mode for Pipe LED::
|
| /Linux-v5.15/Documentation/x86/x86_64/ |
| D | boot-options.rst | 256 Kernel boot message: "PCI-DMA: Using software bounce buffering
275 Use software bounce buffering (SWIOTLB) (default for
303 iommu options only relevant to the software bounce buffering (SWIOTLB) IOMMU
308 Prereserve that many 128K pages for the software IO bounce buffering.
|
| /Linux-v5.15/Documentation/block/ |
| D | inline-encryption.rst | 99 If the bio is a ``WRITE`` bio, a bounce bio is allocated, and the data in the bio
100 is encrypted stored in the bounce bio - blk-mq will then proceed to process the
101 bounce bio as if it were not encrypted at all (except when blk-integrity is
102 concerned). ``blk-crypto-fallback`` sets the bounce bio's ``bi_end_io`` to an
103 internal function that cleans up the bounce bio and ends the original bio.
|
| D | biodoc.rst | 182 The generic bounce buffer logic, present in 2.4, where the block layer would
185 changed in 2.5. The bounce logic is now applied only for memory ranges
187 setting the queue bounce limit for the request queue for the device
205 cases, a bounce bio representing a buffer from the supported memory range
210 from the original buffer to the bounce buffer prior to issuing the
215 GFP flags) when allocating bounce buffers, to avoid certain highmem
218 It is also possible that a bounce buffer may be allocated from high-memory
220 device can use directly; so the bounce page may need to be kmapped during
225 be kmapped, even if bounce buffers are not necessary. For example a device
231 the blk_queue_bounce() routine on its own to bounce highmem i/o to low
[all …]
|
| /Linux-v5.15/drivers/gpu/drm/ttm/ |
| D | ttm_bo.c | 555 bounce: in ttm_bo_evict()
565 goto bounce; in ttm_bo_evict()
902 bounce: in ttm_bo_move_buffer()
909 goto bounce; in ttm_bo_move_buffer()
|
| /Linux-v5.15/drivers/net/ethernet/mellanox/mlx4/ |
| D | en_tx.c | 880 bool bounce = false; in mlx4_en_xmit() local
934 bounce = true; in mlx4_en_xmit()
1059 if (unlikely(bounce)) in mlx4_en_xmit()
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| /Linux-v5.15/fs/notify/fanotify/ |
| D | fanotify_user.c | 326 unsigned char bounce[FANOTIFY_INLINE_FH_LEN], *fh_buf; in copy_fid_info_to_user() local
385 memcpy(bounce, fh_buf, fh_len); in copy_fid_info_to_user()
386 fh_buf = bounce; in copy_fid_info_to_user()
|
