| /linux/lib/ |
| A D | test_hmm.c | 105 bounce->addr = addr; in dmirror_bounce_init()
106 bounce->size = size; in dmirror_bounce_init()
107 bounce->cpages = 0; in dmirror_bounce_init()
109 if (!bounce->ptr) in dmirror_bounce_init()
116 vfree(bounce->ptr); in dmirror_bounce_fini()
321 ptr = bounce->ptr + ((start - bounce->addr) & PAGE_MASK); in dmirror_do_read()
338 bounce->cpages++; in dmirror_do_read()
376 bounce.size)) in dmirror_read()
390 ptr = bounce->ptr + ((start - bounce->addr) & PAGE_MASK); in dmirror_do_write()
407 bounce->cpages++; in dmirror_do_write()
[all …]
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| /linux/arch/s390/mm/ |
| A 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/drivers/gpu/drm/ |
| A 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()
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| /linux/drivers/gpu/drm/vmwgfx/ |
| A 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()
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| A 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()
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| /linux/drivers/misc/eeprom/ |
| A 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()
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| /linux/Documentation/devicetree/bindings/misc/ |
| A D | brcm,kona-smc.txt | 3 This binding defines the location of the bounce buffer
9 - reg : Location and size of bounce buffer
|
| /linux/drivers/char/ |
| A 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()
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| /linux/Documentation/i2c/ |
| A 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/block/ |
| A 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()
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| A D | bounce.c | 217 bool bounce = false; in __blk_queue_bounce() local
224 bounce = true; in __blk_queue_bounce()
226 if (!bounce) in __blk_queue_bounce()
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| A D | Makefile | 14 obj-$(CONFIG_BOUNCE) += bounce.o
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| /linux/Documentation/devicetree/bindings/leds/ |
| A D | leds-el15203000.txt | 20 - bounce pattern
21 - inversed bounce pattern
|
| /linux/fs/erofs/ |
| A D | decompressor_lzma.c | 10 u8 bounce[PAGE_SIZE]; member
248 memcpy(strm->bounce, strm->buf.in, strm->buf.in_size); in z_erofs_lzma_decompress()
249 strm->buf.in = strm->bounce; in z_erofs_lzma_decompress()
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| /linux/drivers/gpu/drm/sun4i/ |
| A 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()
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| /linux/drivers/mtd/nand/raw/ |
| A 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()
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| /linux/drivers/media/usb/go7007/ |
| A 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()
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| /linux/drivers/staging/media/hantro/ |
| A D | TODO | 11 * Instead of having a DMA bounce buffer, it could be possible to use a
|
| /linux/Documentation/leds/ |
| A D | leds-el15203000.rst | 114 Inverted bounce mode for Pipe LED::
|
| /linux/Documentation/x86/x86_64/ |
| A 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/Documentation/block/ |
| A D | inline-encryption.rst | 149 on it being unmodified. Instead, blk-crypto-fallback allocates bounce pages,
150 fills a new bio with those bounce pages, encrypts the data into those bounce
151 pages, and submits that "bounce" bio. When the bounce bio completes,
153 large, multiple bounce bios may be required; see the code for details.
|
| A 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 …]
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| /linux/drivers/gpu/drm/ttm/ |
| A D | ttm_bo.c | 557 bounce: in ttm_bo_evict()
567 goto bounce; in ttm_bo_evict()
905 bounce: in ttm_bo_move_buffer()
912 goto bounce; in ttm_bo_move_buffer()
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| /linux/fs/notify/fanotify/ |
| A D | fanotify_user.c | 361 unsigned char bounce[FANOTIFY_INLINE_FH_LEN], *fh_buf; in copy_fid_info_to_user() local
422 memcpy(bounce, fh_buf, fh_len); in copy_fid_info_to_user()
423 fh_buf = bounce; in copy_fid_info_to_user()
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| /linux/drivers/net/ethernet/mellanox/mlx4/ |
| A 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()
|