/kernel/linux/linux-5.10/lib/ |
D | test_hmm.c | 99 static int dmirror_bounce_init(struct dmirror_bounce *bounce, in dmirror_bounce_init() argument 103 bounce->addr = addr; in dmirror_bounce_init() 104 bounce->size = size; in dmirror_bounce_init() 105 bounce->cpages = 0; in dmirror_bounce_init() 106 bounce->ptr = vmalloc(size); in dmirror_bounce_init() 107 if (!bounce->ptr) in dmirror_bounce_init() 112 static void dmirror_bounce_fini(struct dmirror_bounce *bounce) in dmirror_bounce_fini() argument 114 vfree(bounce->ptr); in dmirror_bounce_fini() 314 unsigned long end, struct dmirror_bounce *bounce) in dmirror_do_read() argument 319 ptr = bounce->ptr + ((start - bounce->addr) & PAGE_MASK); in dmirror_do_read() [all …]
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/kernel/linux/linux-5.10/drivers/gpu/drm/vmwgfx/ |
D | vmwgfx_ioctl.c | 148 static int vmw_fill_compat_cap(struct vmw_private *dev_priv, void *bounce, in vmw_fill_compat_cap() argument 152 (struct svga_3d_compat_cap *) bounce; in vmw_fill_compat_cap() 191 void *bounce; in vmw_get_cap_3d_ioctl() local 212 bounce = vzalloc(size); in vmw_get_cap_3d_ioctl() 213 if (unlikely(bounce == NULL)) { in vmw_get_cap_3d_ioctl() 220 uint32_t *bounce32 = (uint32_t *) bounce; in vmw_get_cap_3d_ioctl() 234 ret = vmw_fill_compat_cap(dev_priv, bounce, size); in vmw_get_cap_3d_ioctl() 239 memcpy(bounce, &fifo_mem[SVGA_FIFO_3D_CAPS], size); in vmw_get_cap_3d_ioctl() 242 ret = copy_to_user(buffer, bounce, size); in vmw_get_cap_3d_ioctl() 246 vfree(bounce); in vmw_get_cap_3d_ioctl()
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/kernel/linux/linux-5.10/arch/s390/mm/ |
D | maccess.c | 224 void *bounce = (void *) addr; in xlate_dev_mem_ptr() local 231 bounce = (void *) __get_free_page(GFP_ATOMIC); in xlate_dev_mem_ptr() 232 if (bounce) in xlate_dev_mem_ptr() 233 memcpy_absolute(bounce, (void *) addr, size); in xlate_dev_mem_ptr() 237 return bounce; in xlate_dev_mem_ptr()
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/kernel/linux/linux-5.10/drivers/misc/eeprom/ |
D | at25.c | 135 u8 *bounce; in at25_ee_write() local 148 bounce = kmalloc(buf_size + at25->addrlen + 1, GFP_KERNEL); in at25_ee_write() 149 if (!bounce) in at25_ee_write() 160 u8 *cp = bounce; in at25_ee_write() 195 status = spi_write(at25->spi, bounce, in at25_ee_write() 241 kfree(bounce); in at25_ee_write()
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/kernel/linux/linux-5.10/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
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/kernel/linux/linux-5.10/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.
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/kernel/linux/linux-5.10/Documentation/devicetree/bindings/leds/ |
D | leds-el15203000.txt | 20 - bounce pattern 21 - inversed bounce pattern
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/kernel/linux/linux-5.10/drivers/char/ |
D | mem.c | 121 char *bounce; in read_mem() local 145 bounce = kmalloc(PAGE_SIZE, GFP_KERNEL); in read_mem() 146 if (!bounce) in read_mem() 174 probe = copy_from_kernel_nofault(bounce, ptr, sz); in read_mem() 179 remaining = copy_to_user(buf, bounce, sz); in read_mem() 192 kfree(bounce); in read_mem() 198 kfree(bounce); in read_mem()
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/kernel/linux/linux-5.10/block/ |
D | bounce.c | 295 bool bounce = false; in __blk_queue_bounce() local 303 bounce = true; in __blk_queue_bounce() 305 if (!bounce) in __blk_queue_bounce()
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D | Makefile | 13 obj-$(CONFIG_BOUNCE) += bounce.o
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/kernel/linux/linux-5.10/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()
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/kernel/linux/linux-5.10/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()
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/kernel/linux/linux-5.10/drivers/staging/media/hantro/ |
D | TODO | 11 * Instead of having a DMA bounce buffer, it could be possible to use a
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/kernel/linux/linux-5.10/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()
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/kernel/linux/linux-5.10/Documentation/leds/ |
D | leds-el15203000.rst | 114 Inverted bounce mode for Pipe LED::
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/kernel/linux/linux-5.10/Documentation/x86/x86_64/ |
D | boot-options.rst | 247 Kernel boot message: "PCI-DMA: Using software bounce buffering 271 Use software bounce buffering (SWIOTLB) (default for 301 iommu options only relevant to the software bounce buffering (SWIOTLB) IOMMU 306 Prereserve that many 128K pages for the software IO bounce buffering.
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/kernel/linux/linux-5.10/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.
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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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/kernel/linux/linux-5.10/fs/notify/fanotify/ |
D | fanotify_user.c | 234 unsigned char bounce[FANOTIFY_INLINE_FH_LEN], *fh_buf; in copy_info_to_user() local 293 memcpy(bounce, fh_buf, fh_len); in copy_info_to_user() 294 fh_buf = bounce; in copy_info_to_user()
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/kernel/linux/linux-5.10/drivers/net/ethernet/mellanox/mlx4/ |
D | en_tx.c | 880 bool bounce = false; in mlx4_en_xmit() local 941 bounce = true; in mlx4_en_xmit() 1067 if (unlikely(bounce)) in mlx4_en_xmit()
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/kernel/linux/linux-5.10/Documentation/driver-api/usb/ |
D | dma.rst | 83 This may force your callers to do some bounce buffering, copying from
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/kernel/linux/linux-5.10/drivers/usb/dwc3/ |
D | gadget.c | 3898 dwc->bounce = dma_alloc_coherent(dwc->sysdev, DWC3_BOUNCE_SIZE, in dwc3_gadget_init() 3900 if (!dwc->bounce) { in dwc3_gadget_init() 3970 dma_free_coherent(dwc->sysdev, DWC3_BOUNCE_SIZE, dwc->bounce, in dwc3_gadget_init() 3994 dma_free_coherent(dwc->sysdev, DWC3_BOUNCE_SIZE, dwc->bounce, in dwc3_gadget_exit()
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D | core.h | 1071 void *bounce; member
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/kernel/linux/linux-5.10/kernel/ |
D | module.c | 1564 char bounce[MODULE_SECT_READ_SIZE + 1]; in module_sect_read() local 1578 wrote = scnprintf(bounce, sizeof(bounce), "0x%px\n", in module_sect_read() 1582 memcpy(buf, bounce, count); in module_sect_read()
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/kernel/linux/linux-5.10/Documentation/ide/ |
D | ChangeLog.ide-tape.1995-2002 | 140 * bounce buffers.
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