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Searched refs:shmem (Results 1 – 25 of 45) sorted by relevance

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/drivers/gpu/drm/
A Ddrm_gem_shmem_helper.c67 shmem = kzalloc(sizeof(*shmem), GFP_KERNEL); in __drm_gem_shmem_create()
68 if (!shmem) in __drm_gem_shmem_create()
70 obj = &shmem->base; in __drm_gem_shmem_create()
105 return shmem; in __drm_gem_shmem_create()
170 if (shmem->sgt) { in drm_gem_shmem_free()
176 if (shmem->pages) in drm_gem_shmem_free()
186 kfree(shmem); in drm_gem_shmem_free()
213 if (shmem->map_wc) in drm_gem_shmem_get_pages_locked()
256 drm_WARN_ON(shmem->base.dev, drm_gem_is_imported(&shmem->base)); in drm_gem_shmem_pin_locked()
371 shmem->vaddr = vmap(shmem->pages, obj->size >> PAGE_SHIFT, in drm_gem_shmem_vmap_locked()
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A Ddrm_fbdev_shmem.c47 struct drm_gem_shmem_object *shmem = to_drm_gem_shmem_obj(obj); in drm_fbdev_shmem_fb_mmap() local
49 if (shmem->map_wc) in drm_fbdev_shmem_fb_mmap()
88 struct drm_gem_shmem_object *shmem = to_drm_gem_shmem_obj(obj); in drm_fbdev_shmem_get_page() local
95 page = shmem->pages[i]; // protected by active vmap in drm_fbdev_shmem_get_page()
140 struct drm_gem_shmem_object *shmem; in drm_fbdev_shmem_driver_fbdev_probe() local
156 shmem = to_drm_gem_shmem_obj(buffer->gem); in drm_fbdev_shmem_driver_fbdev_probe()
184 if (!shmem->map_wc) in drm_fbdev_shmem_driver_fbdev_probe()
/drivers/gpu/drm/tests/
A Ddrm_gem_shmem_test.c46 struct drm_gem_shmem_object *shmem; in drm_gem_shmem_test_obj_create() local
54 drm_gem_shmem_free(shmem); in drm_gem_shmem_test_obj_create()
66 struct drm_gem_shmem_object *shmem; in drm_gem_shmem_test_obj_create_private() local
120 drm_gem_shmem_free(shmem); in drm_gem_shmem_test_obj_create_private()
131 struct drm_gem_shmem_object *shmem; in drm_gem_shmem_test_pin_pages() local
142 ret = drm_gem_shmem_pin(shmem); in drm_gem_shmem_test_pin_pages()
150 drm_gem_shmem_unpin(shmem); in drm_gem_shmem_test_pin_pages()
164 struct drm_gem_shmem_object *shmem; in drm_gem_shmem_test_vmap() local
200 struct drm_gem_shmem_object *shmem; in drm_gem_shmem_test_get_pages_sgt() local
212 ret = drm_gem_shmem_pin(shmem); in drm_gem_shmem_test_get_pages_sgt()
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/drivers/firmware/arm_scmi/
A Dshmem.c113 if (!(ioread32(&shmem->channel_status) & in shmem_tx_prepare()
122 iowrite32(0x0, &shmem->channel_status); in shmem_tx_prepare()
124 &shmem->flags); in shmem_tx_prepare()
125 iowrite32(sizeof(shmem->msg_header) + xfer->tx.len, &shmem->length); in shmem_tx_prepare()
133 return ioread32(&shmem->msg_header); in shmem_read_header()
140 size_t len = ioread32(&shmem->length); in shmem_fetch_response()
154 size_t len = ioread32(&shmem->length); in shmem_fetch_notification()
178 return ioread32(&shmem->channel_status) & in shmem_poll_done()
185 return (ioread32(&shmem->channel_status) & in shmem_channel_free()
209 if (!shmem) in shmem_setup_iomap()
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A Dcommon.h370 void (*tx_prepare)(struct scmi_shared_mem __iomem *shmem,
374 u32 (*read_header)(struct scmi_shared_mem __iomem *shmem);
376 void (*fetch_response)(struct scmi_shared_mem __iomem *shmem,
379 void (*fetch_notification)(struct scmi_shared_mem __iomem *shmem,
382 void (*clear_channel)(struct scmi_shared_mem __iomem *shmem);
383 bool (*poll_done)(struct scmi_shared_mem __iomem *shmem,
385 bool (*channel_free)(struct scmi_shared_mem __iomem *shmem);
386 bool (*channel_intr_enabled)(struct scmi_shared_mem __iomem *shmem);
437 const struct scmi_shared_mem_operations *shmem; member
/drivers/gpu/drm/panfrost/
A Dpanfrost_gem_shrinker.c22 struct drm_gem_shmem_object *shmem; in panfrost_gem_shrinker_count() local
28 list_for_each_entry(shmem, &pfdev->shrinker_list, madv_list) { in panfrost_gem_shrinker_count()
29 if (drm_gem_shmem_is_purgeable(shmem)) in panfrost_gem_shrinker_count()
30 count += shmem->base.size >> PAGE_SHIFT; in panfrost_gem_shrinker_count()
50 if (!dma_resv_trylock(shmem->base.resv)) in panfrost_gem_purge()
57 dma_resv_unlock(shmem->base.resv); in panfrost_gem_purge()
68 struct drm_gem_shmem_object *shmem, *tmp; in panfrost_gem_shrinker_scan() local
77 if (drm_gem_shmem_is_purgeable(shmem) && in panfrost_gem_shrinker_scan()
78 panfrost_gem_purge(&shmem->base)) { in panfrost_gem_shrinker_scan()
79 freed += shmem->base.size >> PAGE_SHIFT; in panfrost_gem_shrinker_scan()
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A Dpanfrost_gem.c308 struct drm_gem_shmem_object *shmem; in panfrost_gem_create() local
315 shmem = drm_gem_shmem_create(dev, size); in panfrost_gem_create()
316 if (IS_ERR(shmem)) in panfrost_gem_create()
317 return ERR_CAST(shmem); in panfrost_gem_create()
319 bo = to_panfrost_bo(&shmem->base); in panfrost_gem_create()
/drivers/firmware/arm_scmi/transports/
A Dmailbox.c50 core->shmem->tx_prepare(smbox->shmem, m, smbox->cinfo, in tx_prepare()
68 !core->shmem->channel_free(smbox->shmem)) { in rx_callback()
71 core->shmem->read_header(smbox->shmem), in rx_callback()
77 core->shmem->read_header(smbox->shmem), NULL); in rx_callback()
203 smbox->shmem = core->shmem->setup_iomap(cinfo, dev, tx, NULL, in mailbox_chan_setup()
205 if (IS_ERR(smbox->shmem)) in mailbox_chan_setup()
312 core->shmem->fetch_response(smbox->shmem, xfer, smbox->io_ops->fromio); in mailbox_fetch_response()
320 core->shmem->fetch_notification(smbox->shmem, max_len, xfer, in mailbox_fetch_notification()
330 core->shmem->clear_channel(smbox->shmem); in mailbox_clear_channel()
332 if (!core->shmem->channel_intr_enabled(smbox->shmem)) in mailbox_clear_channel()
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A Dsmc.c63 struct scmi_shared_mem __iomem *shmem; member
82 core->shmem->read_header(scmi_info->shmem), NULL); in smc_msg_done_isr()
149 scmi_info->shmem = core->shmem->setup_iomap(cinfo, dev, tx, &res, in smc_chan_setup()
151 if (IS_ERR(scmi_info->shmem)) in smc_chan_setup()
152 return PTR_ERR(scmi_info->shmem); in smc_chan_setup()
160 void __iomem *ptr = (void __iomem *)scmi_info->shmem + size - 8; in smc_chan_setup()
235 core->shmem->tx_prepare(scmi_info->shmem, xfer, cinfo, in smc_send_message()
260 core->shmem->fetch_response(scmi_info->shmem, xfer, in smc_fetch_response()
A Doptee.c127 struct scmi_shared_mem __iomem *shmem; member
328 core->shmem->clear_channel(channel->req.shmem); in scmi_optee_clear_channel()
353 channel->req.shmem = core->shmem->setup_iomap(cinfo, dev, true, NULL, in setup_static_shmem()
355 if (IS_ERR(channel->req.shmem)) in setup_static_shmem()
356 return PTR_ERR(channel->req.shmem); in setup_static_shmem()
469 core->shmem->tx_prepare(channel->req.shmem, xfer, cinfo, in scmi_optee_send_message()
489 core->shmem->fetch_response(channel->req.shmem, xfer, in scmi_optee_fetch_response()
/drivers/net/ethernet/microsoft/mana/
A Dshm_channel.c146 u64 *shmem; in mana_smc_setup_hwc() local
186 shmem = (u64 *)ptr; in mana_smc_setup_hwc()
188 *shmem = frame_addr & PAGE_FRAME_L48_MASK; in mana_smc_setup_hwc()
194 shmem = (u64 *)ptr; in mana_smc_setup_hwc()
196 *shmem = frame_addr & PAGE_FRAME_L48_MASK; in mana_smc_setup_hwc()
202 shmem = (u64 *)ptr; in mana_smc_setup_hwc()
204 *shmem = frame_addr & PAGE_FRAME_L48_MASK; in mana_smc_setup_hwc()
210 shmem = (u64 *)ptr; in mana_smc_setup_hwc()
212 *shmem = frame_addr & PAGE_FRAME_L48_MASK; in mana_smc_setup_hwc()
/drivers/platform/x86/amd/hfi/
A Dhfi.c76 struct amd_shmem_info *shmem; member
157 memcpy_fromio(amd_hfi_data->shmem, pcc_comm_addr, pcct_ext->length); in amd_hfi_fill_metadata()
160 if (amd_hfi_data->shmem->header.signature != PCC_SIGNATURE) { in amd_hfi_fill_metadata()
164 if (amd_hfi_data->shmem->version_number != AMD_HETERO_RANKING_TABLE_VER) { in amd_hfi_fill_metadata()
166 amd_hfi_data->shmem->version_number); in amd_hfi_fill_metadata()
170 for (unsigned int i = 0; i < amd_hfi_data->shmem->n_bitmaps; i++) { in amd_hfi_fill_metadata()
171 u32 bitmap = amd_hfi_data->shmem->table_data[i]; in amd_hfi_fill_metadata()
194 u32 *table = amd_hfi_data->shmem->table_data + in amd_hfi_fill_metadata()
195 amd_hfi_data->shmem->n_bitmaps + in amd_hfi_fill_metadata()
391 amd_hfi_data->shmem = devm_kzalloc(amd_hfi_data->dev, pcct_ext->length, GFP_KERNEL); in amd_hfi_metadata_parser()
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/drivers/net/arcnet/
A Dcom90xx.c88 static int shmem; variable
93 module_param(shmem, int, 0);
107 if (!io && !irq && !shmem && !*device && com90xx_skip_probe) in com90xx_probe()
131 if (shmem) in com90xx_probe()
132 shmems[numshmems++] = shmem; in com90xx_probe()
473 release_mem_region(shmem, MIRROR_SIZE); in com90xx_found()
485 check_mirror(shmem - MIRROR_SIZE, MIRROR_SIZE) == 0 && in com90xx_found()
489 first_mirror = shmem - mirror_size; in com90xx_found()
494 last_mirror = shmem + mirror_size; in com90xx_found()
503 release_mem_region(shmem, MIRROR_SIZE); in com90xx_found()
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A Darc-rimi.c126 unsigned long first_mirror, last_mirror, shmem; in arcrimi_found() local
146 shmem = dev->mem_start; in arcrimi_found()
159 check_mirror(shmem - MIRROR_SIZE, MIRROR_SIZE) == 0 && in arcrimi_found()
160 check_mirror(shmem - 2 * MIRROR_SIZE, MIRROR_SIZE) == 1) in arcrimi_found()
163 first_mirror = shmem - mirror_size; in arcrimi_found()
168 last_mirror = shmem + mirror_size; in arcrimi_found()
194 release_mem_region(shmem, MIRROR_SIZE); in arcrimi_found()
/drivers/accel/amdxdna/
A Damdxdna_gem.c552 if (IS_ERR(shmem)) in amdxdna_drm_alloc_shmem()
553 return ERR_CAST(shmem); in amdxdna_drm_alloc_shmem()
555 shmem->map_wc = false; in amdxdna_drm_alloc_shmem()
557 abo = to_xdna_obj(&shmem->base); in amdxdna_drm_alloc_shmem()
590 if (IS_ERR(shmem)) { in amdxdna_drm_create_dev_heap()
591 ret = PTR_ERR(shmem); in amdxdna_drm_create_dev_heap()
595 shmem->map_wc = false; in amdxdna_drm_create_dev_heap()
675 if (IS_ERR(shmem)) in amdxdna_drm_create_cmd_bo()
676 return ERR_CAST(shmem); in amdxdna_drm_create_cmd_bo()
678 shmem->map_wc = false; in amdxdna_drm_create_cmd_bo()
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/drivers/firmware/samsung/
A Dexynos-acpm.c168 struct acpm_shmem __iomem *shmem; member
546 struct acpm_shmem __iomem *shmem = acpm->shmem; in acpm_channels_init() local
551 acpm->num_chans = readl(&shmem->num_chans); in acpm_channels_init()
557 chans_shmem = acpm->sram_base + readl(&shmem->chans); in acpm_channels_init()
606 struct device_node *shmem; in acpm_probe() local
616 shmem = of_parse_phandle(dev->of_node, "shmem", 0); in acpm_probe()
617 ret = of_address_to_resource(shmem, 0, &res); in acpm_probe()
618 of_node_put(shmem); in acpm_probe()
634 acpm->shmem = acpm->sram_base + match_data->initdata_base; in acpm_probe()
/drivers/gpu/drm/virtio/
A Dvirtgpu_object.c147 struct virtio_gpu_object_shmem *shmem; in virtio_gpu_create_object() local
150 shmem = kzalloc(sizeof(*shmem), GFP_KERNEL); in virtio_gpu_create_object()
151 if (!shmem) in virtio_gpu_create_object()
154 dshmem = &shmem->base.base; in virtio_gpu_create_object()
/drivers/mfd/
A Dmacsmc.c128 memcpy_toio(smc->shmem.iomem, wbuf, wsize); in apple_smc_rw_locked()
133 memcpy_toio(smc->shmem.iomem, wbuf, wsize); in apple_smc_rw_locked()
162 memcpy_fromio(rbuf, smc->shmem.iomem, rsize); in apple_smc_rw_locked()
211 memcpy_fromio(key_info, smc->shmem.iomem, sizeof(key_info)); in apple_smc_get_key_info()
257 memcpy_toio(smc->shmem.iomem, buf, size); in apple_smc_write_atomic()
341 smc->shmem.iova = message; in apple_smc_rtkit_recv_early()
342 smc->shmem.size = SMC_SHMEM_SIZE; in apple_smc_rtkit_recv_early()
343 ret = apple_smc_rtkit_shmem_setup(smc, &smc->shmem); in apple_smc_rtkit_recv_early()
/drivers/gpu/drm/panthor/
A Dpanthor_gem.c276 struct drm_gem_shmem_object *shmem; in panthor_gem_create_with_handle() local
279 shmem = drm_gem_shmem_create(ddev, *size); in panthor_gem_create_with_handle()
280 if (IS_ERR(shmem)) in panthor_gem_create_with_handle()
281 return PTR_ERR(shmem); in panthor_gem_create_with_handle()
283 bo = to_panthor_bo(&shmem->base); in panthor_gem_create_with_handle()
298 ret = drm_gem_handle_create(file, &shmem->base, handle); in panthor_gem_create_with_handle()
303 drm_gem_object_put(&shmem->base); in panthor_gem_create_with_handle()
/drivers/mailbox/
A Dpcc.c298 pcc_hdr = pchan->chan.shmem; in pcc_chan_acknowledge()
315 memcpy_fromio(&pcc_header, pchan->chan.shmem, in write_response()
321 memcpy_fromio(buffer, pchan->chan.shmem, data_len); in write_response()
413 pcc_mchan->shmem = acpi_os_ioremap(pcc_mchan->shmem_base_addr, in pcc_mbox_request_channel()
415 if (!pcc_mchan->shmem) in pcc_mbox_request_channel()
454 if (pcc_mbox_chan->shmem) { in pcc_mbox_free_channel()
455 iounmap(pcc_mbox_chan->shmem); in pcc_mbox_free_channel()
456 pcc_mbox_chan->shmem = NULL; in pcc_mbox_free_channel()
483 memcpy_toio(pcc_mbox_chan->shmem, data, len); in pcc_write_to_buffer()
/drivers/gpu/drm/lima/
A Dlima_gem.c113 struct drm_gem_shmem_object *shmem; in lima_gem_create_handle() local
118 shmem = drm_gem_shmem_create(dev, size); in lima_gem_create_handle()
119 if (IS_ERR(shmem)) in lima_gem_create_handle()
120 return PTR_ERR(shmem); in lima_gem_create_handle()
122 obj = &shmem->base; in lima_gem_create_handle()
136 struct sg_table *sgt = drm_gem_shmem_get_pages_sgt(shmem); in lima_gem_create_handle()
/drivers/devfreq/
A Dhisi_uncore_freq.c191 struct hisi_uncore_pcc_shmem shmem; in hisi_uncore_cmd_send() local
204 addr = (struct hisi_uncore_pcc_shmem __iomem *)pchan->shmem; in hisi_uncore_cmd_send()
215 shmem.head = (struct acpi_pcct_shared_memory) { in hisi_uncore_cmd_send()
219 shmem.pcc_data.data = *data; in hisi_uncore_cmd_send()
220 memcpy_toio(addr, &shmem, sizeof(shmem)); in hisi_uncore_cmd_send()
/drivers/net/ethernet/8390/
A Dmac8390.c738 long shmem = (start_page - WD_START_PG)<<8; in sane_block_output() local
740 memcpy_toio((void __iomem *)dev->mem_start + shmem, buf, count); in sane_block_output()
780 long shmem = (start_page - WD_START_PG)<<8; in dayna_block_output() local
782 dayna_memcpy_tocard(dev, shmem, buf, count); in dayna_block_output()
819 long shmem = (start_page - WD_START_PG)<<8; in slow_sane_block_output() local
821 word_memcpy_tocard(dev->mem_start + shmem, buf, count); in slow_sane_block_output()
/drivers/accel/ivpu/
A Divpu_gem.c225 struct drm_gem_shmem_object *shmem; in ivpu_bo_alloc() local
236 shmem = drm_gem_shmem_create(&vdev->drm, size); in ivpu_bo_alloc()
237 if (IS_ERR(shmem)) in ivpu_bo_alloc()
238 return ERR_CAST(shmem); in ivpu_bo_alloc()
240 bo = to_ivpu_bo(&shmem->base); in ivpu_bo_alloc()
/drivers/acpi/
A Dacpi_pcc.c107 memcpy_toio(data->pcc_chan->shmem, (void *)value, data->ctx.length); in acpi_pcc_address_space_handler()
128 memcpy_fromio(value, data->pcc_chan->shmem, data->ctx.length); in acpi_pcc_address_space_handler()

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