| /kernel/linux/linux-6.6/lib/ |
| H A D | test_hmm.c | 127 static int dmirror_bounce_init(struct dmirror_bounce *bounce, in dmirror_bounce_init() argument
131 bounce->addr = addr; in dmirror_bounce_init()
132 bounce->size = size; in dmirror_bounce_init()
133 bounce->cpages = 0; in dmirror_bounce_init()
134 bounce->ptr = vmalloc(size); in dmirror_bounce_init()
135 if (!bounce->ptr) in dmirror_bounce_init()
155 static void dmirror_bounce_fini(struct dmirror_bounce *bounce) in dmirror_bounce_fini() argument
157 vfree(bounce->ptr); in dmirror_bounce_fini()
361 unsigned long end, struct dmirror_bounce *bounce) in dmirror_do_read()
366 ptr = bounce in dmirror_do_read()
360 dmirror_do_read(struct dmirror *dmirror, unsigned long start, unsigned long end, struct dmirror_bounce *bounce) dmirror_do_read() argument
388 struct dmirror_bounce bounce; dmirror_read() local
426 dmirror_do_write(struct dmirror *dmirror, unsigned long start, unsigned long end, struct dmirror_bounce *bounce) dmirror_do_write() argument
454 struct dmirror_bounce bounce; dmirror_write() local
784 struct dmirror_bounce bounce; dmirror_exclusive() local
969 struct dmirror_bounce bounce; dmirror_migrate_to_device() local
[all...] |
| /kernel/linux/linux-5.10/lib/ |
| H A 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()
319 ptr = bounce in dmirror_do_read()
313 dmirror_do_read(struct dmirror *dmirror, unsigned long start, unsigned long end, struct dmirror_bounce *bounce) dmirror_do_read() argument
344 struct dmirror_bounce bounce; dmirror_read() local
382 dmirror_do_write(struct dmirror *dmirror, unsigned long start, unsigned long end, struct dmirror_bounce *bounce) dmirror_do_write() argument
413 struct dmirror_bounce bounce; dmirror_write() local
673 struct dmirror_bounce bounce; dmirror_migrate() local
[all...] |
| /kernel/linux/linux-6.6/arch/s390/mm/ |
| H A D | maccess.c | 153 void *bounce = ptr; in xlate_dev_mem_ptr() local
165 bounce = (void *)__get_free_page(GFP_ATOMIC); in xlate_dev_mem_ptr()
166 if (!bounce) in xlate_dev_mem_ptr()
172 memcpy(bounce, ptr, size); in xlate_dev_mem_ptr()
176 memcpy(bounce, ptr, size); in xlate_dev_mem_ptr()
178 memcpy(bounce, ptr, size); in xlate_dev_mem_ptr()
183 return bounce; in xlate_dev_mem_ptr()
|
| /kernel/linux/linux-5.10/arch/s390/mm/ |
| H A 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()
|
| /kernel/linux/linux-5.10/drivers/gpu/drm/vmwgfx/ |
| H A 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()
214 DRM_ERROR("Failed to allocate bounce buffer for 3D caps.\n"); 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, siz in vmw_get_cap_3d_ioctl()
[all...] |
| /kernel/linux/linux-6.6/drivers/gpu/drm/ |
| H A D | drm_cache.c | 39 /* A small bounce buffer that fits on the stack. */
194 * ttm_populate_and_map_pages(), which bounce buffers so much in in drm_need_swiotlb()
227 * bounce buffer like this is significantly faster than in memcpy_fallback()
230 char bounce[MEMCPY_BOUNCE_SIZE]; in memcpy_fallback() local
235 memcpy_fromio(bounce, _src, MEMCPY_BOUNCE_SIZE); in memcpy_fallback()
236 memcpy_toio(_dst, bounce, MEMCPY_BOUNCE_SIZE); in memcpy_fallback()
242 memcpy_fromio(bounce, _src, MEMCPY_BOUNCE_SIZE); in memcpy_fallback()
243 memcpy_toio(_dst, bounce, MEMCPY_BOUNCE_SIZE); in memcpy_fallback()
|
| /kernel/linux/linux-5.10/drivers/misc/eeprom/ |
| H A 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()
|
| /kernel/linux/linux-6.6/drivers/gpu/drm/vmwgfx/ |
| H A D | vmwgfx_ioctl.c | 130 void *bounce = NULL; in vmw_get_cap_3d_ioctl() local
148 bounce = vzalloc(size); in vmw_get_cap_3d_ioctl()
149 if (unlikely(bounce == NULL)) { in vmw_get_cap_3d_ioctl()
150 DRM_ERROR("Failed to allocate bounce buffer for 3D caps.\n"); in vmw_get_cap_3d_ioctl()
154 ret = vmw_devcaps_copy(dev_priv, vmw_fp->gb_aware, bounce, size); in vmw_get_cap_3d_ioctl()
158 ret = copy_to_user(buffer, bounce, size); in vmw_get_cap_3d_ioctl()
162 vfree(bounce); in vmw_get_cap_3d_ioctl()
|
| H 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()
|
| /kernel/linux/linux-6.6/drivers/misc/eeprom/ |
| H A D | at25.c | 205 u8 *bounce; in at25_ee_write() local
218 bounce = kmalloc(buf_size + at25->addrlen + 1, GFP_KERNEL); in at25_ee_write()
219 if (!bounce) in at25_ee_write()
231 u8 *cp = bounce; in at25_ee_write()
268 status = spi_write(at25->spi, bounce, in at25_ee_write()
315 kfree(bounce); in at25_ee_write()
|
| /kernel/linux/linux-6.6/drivers/char/ |
| H A D | mem.c | 110 char *bounce; in read_mem() local
134 bounce = kmalloc(PAGE_SIZE, GFP_KERNEL); in read_mem()
135 if (!bounce) in read_mem()
163 probe = copy_from_kernel_nofault(bounce, ptr, sz); in read_mem()
168 remaining = copy_to_user(buf, bounce, sz); in read_mem()
181 kfree(bounce); in read_mem()
187 kfree(bounce); in read_mem()
|
| /kernel/linux/linux-6.6/block/ |
| H A D | blk-settings.c | 55 lim->bounce = BLK_BOUNCE_NONE; in blk_set_default_limits()
89 * blk_queue_bounce_limit - set bounce buffer limit for queue
91 * @bounce: bounce limit to enforce
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()
565 t->bounce = max(t->bounce, b->bounce); in blk_stack_limits()
[all...] |
| H A D | bounce.c | 2 /* bounce buffer handling for block devices
72 * Simple bounce buffer support for highmem pages. Depending on the
81 * The bio of @from is created by bounce, so we can iterate in copy_to_high_bio_irq()
110 * free up bounce indirect pages used in bounce_end_io()
209 bool bounce = false; in __blk_queue_bounce() local
216 bounce = true; in __blk_queue_bounce()
218 if (!bounce) in __blk_queue_bounce()
|
| /kernel/linux/linux-6.6/fs/erofs/ |
| H A D | decompressor_deflate.c | 9 u8 bounce[PAGE_SIZE]; member
202 memcpy(strm->bounce, strm->z.next_in, strm->z.avail_in); in z_erofs_deflate_decompress()
203 strm->z.next_in = strm->bounce; in z_erofs_deflate_decompress()
|
| H A D | decompressor_lzma.c | 10 u8 bounce[PAGE_SIZE]; member
252 memcpy(strm->bounce, strm->buf.in, strm->buf.in_size); in z_erofs_lzma_decompress()
253 strm->buf.in = strm->bounce; in z_erofs_lzma_decompress()
|
| /kernel/linux/linux-5.10/arch/loongarch/kvm/intc/ |
| H A D | ls3a_ext_irq.h | 60 union bounce { union
64 } bounce; member
|
| /kernel/linux/linux-5.10/drivers/char/ |
| H A 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()
|
| /kernel/linux/linux-5.10/block/ |
| H A D | bounce.c | 2 /* bounce buffer handling for block devices
128 * Simple bounce buffer support for highmem pages. Depending on the
138 * The bio of @from is created by bounce, so we can iterate in copy_to_high_bio_irq()
170 * free up bounce indirect pages used in bounce_end_io()
295 bool bounce = false; in __blk_queue_bounce() local
303 bounce = true; in __blk_queue_bounce()
305 if (!bounce) in __blk_queue_bounce()
366 * Data-less bio, nothing to bounce in blk_queue_bounce()
372 * for non-isa bounce case, just check if the bounce pf in blk_queue_bounce()
[all...] |
| /kernel/linux/linux-6.6/kernel/module/ |
| H A D | sysfs.c | 40 char bounce[MODULE_SECT_READ_SIZE + 1]; in module_sect_read() local
52 * the NUL, we have to use a bounce buffer. in module_sect_read()
54 wrote = scnprintf(bounce, sizeof(bounce), "0x%px\n", in module_sect_read()
58 memcpy(buf, bounce, count); in module_sect_read()
|
| /kernel/linux/linux-5.10/drivers/mtd/nand/raw/ |
| H A D | r852.c | 174 int bounce = 0; in r852_do_dma() local
191 /* if incoming buffer is not page aligned, we should do bounce */ in r852_do_dma()
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()
204 dbg_verbose("dma: using bounce buffer"); in r852_do_dma()
223 if (do_read && bounce) in r852_do_dma()
|
| /kernel/linux/linux-6.6/drivers/mtd/nand/raw/ |
| H A D | r852.c | 174 int bounce = 0; in r852_do_dma() local
191 /* if incoming buffer is not page aligned, we should do bounce */ in r852_do_dma()
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()
204 dbg_verbose("dma: using bounce buffer"); in r852_do_dma()
223 if (do_read && bounce) in r852_do_dma()
|
| /kernel/linux/linux-5.10/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()
|
| /kernel/linux/linux-6.6/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()
|
| /kernel/linux/linux-5.10/drivers/block/ |
| H A D | xen-blkfront.c | 218 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()
726 .need_copy = rq_data_dir(req) && info->bounce, in blkif_queue_rw_req()
1052 "bounce buffer:", info->bounce ? "enabled" : "disabled;"); in xlvbd_flush()
1286 BUG_ON(info->bounce); in blkif_free_ring()
1303 if (info->bounce) in blkif_free_ring()
[all...] |
| /kernel/linux/linux-6.6/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()
998 "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()
[all...] |