| /linux/arch/s390/mm/ |
| H A D | maccess.c | 154 void *bounce = ptr; in xlate_dev_mem_ptr() local
166 bounce = (void *)__get_free_page(GFP_ATOMIC); in xlate_dev_mem_ptr()
167 if (!bounce) in xlate_dev_mem_ptr()
173 memcpy(bounce, ptr, size); in xlate_dev_mem_ptr()
177 memcpy(bounce, ptr, size); in xlate_dev_mem_ptr()
179 memcpy(bounce, ptr, size); in xlate_dev_mem_ptr()
184 return bounce; in xlate_dev_mem_ptr()
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| /linux/drivers/gpu/drm/ |
| H A D | drm_cache.c | 227 char bounce[MEMCPY_BOUNCE_SIZE]; in memcpy_fallback() local
232 memcpy_fromio(bounce, _src, MEMCPY_BOUNCE_SIZE); in memcpy_fallback()
233 memcpy_toio(_dst, bounce, MEMCPY_BOUNCE_SIZE); in memcpy_fallback()
239 memcpy_fromio(bounce, _src, MEMCPY_BOUNCE_SIZE); in memcpy_fallback()
240 memcpy_toio(_dst, bounce, MEMCPY_BOUNCE_SIZE); in memcpy_fallback()
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| /linux/drivers/gpu/drm/vmwgfx/ |
| H A D | vmwgfx_ioctl.c | 131 void *bounce = NULL; in vmw_get_cap_3d_ioctl() local
149 bounce = vzalloc(size); in vmw_get_cap_3d_ioctl()
150 if (unlikely(bounce == NULL)) { in vmw_get_cap_3d_ioctl()
155 ret = vmw_devcaps_copy(dev_priv, vmw_fp->gb_aware, bounce, size); in vmw_get_cap_3d_ioctl()
159 ret = copy_to_user(buffer, bounce, size); in vmw_get_cap_3d_ioctl()
163 vfree(bounce); in vmw_get_cap_3d_ioctl()
|
| /linux/Documentation/i2c/ |
| H 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/fs/erofs/ |
| H A D | decompressor_deflate.c | 8 u8 bounce[PAGE_SIZE]; member
141 dctx.bounce = strm->bounce; in __z_erofs_deflate_decompress()
|
| H A D | decompressor_zstd.c | 7 u8 bounce[PAGE_SIZE]; member
173 dctx.bounce = strm->bounce; in z_erofs_zstd_decompress()
|
| H A D | decompressor_lzma.c | 8 u8 bounce[PAGE_SIZE]; member
186 dctx.bounce = strm->bounce; in z_erofs_lzma_decompress()
|
| /linux/Documentation/devicetree/bindings/leds/ |
| H A D | leds-el15203000.txt | 20 - bounce pattern
21 - inversed bounce pattern
|
| /linux/kernel/module/ |
| H A D | sysfs.c | 32 char bounce[MODULE_SECT_READ_SIZE + 1]; in module_sect_read() local
46 wrote = scnprintf(bounce, sizeof(bounce), "0x%px\n", in module_sect_read()
50 memcpy(buf, bounce, count); in module_sect_read()
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| /linux/drivers/block/ |
| H A D | xen-blkfront.c | 220 unsigned int bounce:1; member
321 if (info->bounce) { in fill_grant_buffer()
341 if (info->bounce) in fill_grant_buffer()
387 if (info->bounce) in get_grant()
411 if (!info->bounce) { in get_indirect_grant()
714 .need_copy = rq_data_dir(req) && info->bounce, in blkif_queue_rw_req()
1001 "bounce buffer:", info->bounce ? "enabled" : "disabled;"); in xlvbd_flush()
1220 BUG_ON(info->bounce); in blkif_free_ring()
1237 if (info->bounce) in blkif_free_ring()
1258 if (info->bounce) in blkif_free_ring()
[all …]
|
| /linux/drivers/gpu/drm/sun4i/ |
| H 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()
|
| /linux/drivers/mtd/nand/raw/ |
| H 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/ |
| H 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()
|
| /linux/arch/loongarch/include/asm/ |
| H A D | kvm_eiointc.h | 67 u64 bounce[EIOINTC_IRQS_U64_NUMS]; member
|
| /linux/arch/loongarch/kvm/intc/ |
| H A D | eiointc.c | 142 data = s->bounce[index]; in loongarch_eiointc_read()
261 old = s->bounce[index]; in loongarch_eiointc_write()
262 s->bounce[index] = (old & ~mask) | data; in loongarch_eiointc_write()
487 p = (void *)s->bounce + offset * 4; in kvm_eiointc_regs_access()
|
| /linux/Documentation/leds/ |
| H A D | leds-el15203000.rst | 114 Inverted bounce mode for Pipe LED::
|
| /linux/drivers/gpu/drm/xe/ |
| H A D | xe_migrate.c | 2437 void *bounce; in xe_migrate_access_memory() local
2441 bounce = kmalloc(XE_CACHELINE_BYTES, GFP_KERNEL); in xe_migrate_access_memory()
2442 if (!bounce) in xe_migrate_access_memory()
2458 bounce, in xe_migrate_access_memory()
2464 memcpy(bounce + ptr_offset, buf + buf_offset, copy_bytes); in xe_migrate_access_memory()
2468 bounce, in xe_migrate_access_memory()
2473 memcpy(buf + buf_offset, bounce + ptr_offset, in xe_migrate_access_memory()
2482 kfree(bounce); in xe_migrate_access_memory()
|
| /linux/arch/arm/vfp/ |
| H A D | vfpmodule.c | 775 goto bounce; in vfp_support_entry()
803 bounce: regs->ARM_pc += 4; in vfp_support_entry()
|
| /linux/Documentation/virt/hyperv/ |
| H A D | coco.rst | 214 Linux kernel DMA APIs, and so bounce buffering through decrypted swiotlb
220 equivalent of bounce buffering between encrypted and decrypted memory is
222 DMA APIs, and is bounce buffered through swiotlb memory implicitly like in
271 provides bounce-buffering, and although the data is not encrypted, the backing
|
| /linux/drivers/gpu/drm/ttm/ |
| H A D | ttm_bo.c | 864 bounce: in ttm_bo_validate()
870 goto bounce; in ttm_bo_validate()
|
| /linux/Documentation/driver-api/usb/ |
| H A D | dma.rst | 83 This may force your callers to do some bounce buffering, copying from
|
| /linux/drivers/net/ |
| H A D | xen-netfront.c | 181 bool bounce; member
761 if (np->bounce || unlikely(PAGE_SIZE - offset < ETH_HLEN)) { in xennet_start_xmit()
2272 info->bounce = !xennet_trusted || in talk_to_netback()
2442 if (np->bounce) in xennet_connect()
|
| /linux/arch/arm/boot/compressed/ |
| H A D | head.S | 651 __HVC(0) @ otherwise bounce to hyp mode
|
| /linux/Documentation/arch/powerpc/ |
| H A D | ultravisor.rst | 177 * For virtual I/O to work bounce buffering must be done.
|
| /linux/Documentation/spi/ |
| H A D | spi-summary.rst | 419 around hardware errata that force the use of bounce buffering).
|