| /Linux-v5.4/drivers/tee/ |
| D | tee_shm.c | 14 static void tee_shm_release(struct tee_shm *shm) in tee_shm_release() argument
16 struct tee_device *teedev = shm->teedev; in tee_shm_release()
19 idr_remove(&teedev->idr, shm->id); in tee_shm_release()
20 if (shm->ctx) in tee_shm_release()
21 list_del(&shm->link); in tee_shm_release()
24 if (shm->flags & TEE_SHM_POOL) { in tee_shm_release()
27 if (shm->flags & TEE_SHM_DMA_BUF) in tee_shm_release()
32 poolm->ops->free(poolm, shm); in tee_shm_release()
33 } else if (shm->flags & TEE_SHM_REGISTER) { in tee_shm_release()
35 int rc = teedev->desc->ops->shm_unregister(shm->ctx, shm); in tee_shm_release()
[all …]
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| D | tee_shm_pool.c | 13 struct tee_shm *shm, size_t size) in pool_op_gen_alloc() argument
24 shm->kaddr = (void *)va; in pool_op_gen_alloc()
25 shm->paddr = gen_pool_virt_to_phys(genpool, va); in pool_op_gen_alloc()
26 shm->size = s; in pool_op_gen_alloc()
31 struct tee_shm *shm) in pool_op_gen_free() argument
33 gen_pool_free(poolm->private_data, (unsigned long)shm->kaddr, in pool_op_gen_free()
34 shm->size); in pool_op_gen_free()
35 shm->kaddr = NULL; in pool_op_gen_free()
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| D | tee_core.c | 135 struct tee_shm *shm; in tee_ioctl_shm_alloc() local
144 shm = tee_shm_alloc(ctx, data.size, TEE_SHM_MAPPED | TEE_SHM_DMA_BUF); in tee_ioctl_shm_alloc()
145 if (IS_ERR(shm)) in tee_ioctl_shm_alloc()
146 return PTR_ERR(shm); in tee_ioctl_shm_alloc()
148 data.id = shm->id; in tee_ioctl_shm_alloc()
149 data.flags = shm->flags; in tee_ioctl_shm_alloc()
150 data.size = shm->size; in tee_ioctl_shm_alloc()
155 ret = tee_shm_get_fd(shm); in tee_ioctl_shm_alloc()
162 tee_shm_put(shm); in tee_ioctl_shm_alloc()
172 struct tee_shm *shm; in tee_ioctl_shm_register() local
[all …]
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| D | tee_private.h | 62 int tee_shm_get_fd(struct tee_shm *shm);
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| /Linux-v5.4/drivers/tee/optee/ |
| D | rpc.c | 175 struct tee_shm *shm; in cmd_alloc_suppl() local
188 shm = tee_shm_get_from_id(optee->supp.ctx, param.u.value.c); in cmd_alloc_suppl()
190 return shm; in cmd_alloc_suppl()
198 struct tee_shm *shm; in handle_rpc_func_cmd_shm_alloc() local
220 shm = cmd_alloc_suppl(ctx, sz); in handle_rpc_func_cmd_shm_alloc()
223 shm = tee_shm_alloc(ctx, sz, TEE_SHM_MAPPED); in handle_rpc_func_cmd_shm_alloc()
230 if (IS_ERR(shm)) { in handle_rpc_func_cmd_shm_alloc()
235 if (tee_shm_get_pa(shm, 0, &pa)) { in handle_rpc_func_cmd_shm_alloc()
240 sz = tee_shm_get_size(shm); in handle_rpc_func_cmd_shm_alloc()
242 if (tee_shm_is_registered(shm)) { in handle_rpc_func_cmd_shm_alloc()
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| D | call.c | 178 struct tee_shm *shm; in get_msg_arg() local
181 shm = tee_shm_alloc(ctx, OPTEE_MSG_GET_ARG_SIZE(num_params), in get_msg_arg()
183 if (IS_ERR(shm)) in get_msg_arg()
184 return shm; in get_msg_arg()
186 ma = tee_shm_get_va(shm, 0); in get_msg_arg()
192 rc = tee_shm_get_pa(shm, 0, msg_parg); in get_msg_arg()
201 tee_shm_free(shm); in get_msg_arg()
205 return shm; in get_msg_arg()
214 struct tee_shm *shm; in optee_open_session() local
220 shm = get_msg_arg(ctx, arg->num_params + 2, &msg_arg, &msg_parg); in optee_open_session()
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| D | shm_pool.c | 16 struct tee_shm *shm, size_t size) in pool_op_alloc() argument
25 shm->kaddr = page_address(page); in pool_op_alloc()
26 shm->paddr = page_to_phys(page); in pool_op_alloc()
27 shm->size = PAGE_SIZE << order; in pool_op_alloc()
33 struct tee_shm *shm) in pool_op_free() argument
35 free_pages((unsigned long)shm->kaddr, get_order(shm->size)); in pool_op_free()
36 shm->kaddr = NULL; in pool_op_free()
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| D | core.c | 41 struct tee_shm *shm; in optee_from_msg_param() local
69 shm = (struct tee_shm *)(unsigned long) in optee_from_msg_param()
71 if (!shm) { in optee_from_msg_param()
73 p->u.memref.shm = NULL; in optee_from_msg_param()
76 rc = tee_shm_get_pa(shm, 0, &pa); in optee_from_msg_param()
80 p->u.memref.shm = shm; in optee_from_msg_param()
87 rc = tee_shm_get_pa(shm, o, NULL); in optee_from_msg_param()
98 shm = (struct tee_shm *)(unsigned long) in optee_from_msg_param()
101 if (!shm) { in optee_from_msg_param()
103 p->u.memref.shm = NULL; in optee_from_msg_param()
[all …]
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| D | optee_private.h | 156 int optee_shm_register(struct tee_context *ctx, struct tee_shm *shm,
159 int optee_shm_unregister(struct tee_context *ctx, struct tee_shm *shm);
161 int optee_shm_register_supp(struct tee_context *ctx, struct tee_shm *shm,
164 int optee_shm_unregister_supp(struct tee_context *ctx, struct tee_shm *shm);
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| D | supp.c | 198 if (tee_param_is_memref(params + n) && params[n].u.memref.shm) in supp_check_recv_params()
199 tee_shm_put(params[n].u.memref.shm); in supp_check_recv_params()
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| D | device.c | 51 param[0].u.memref.shm = device_shm; in get_devices()
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| /Linux-v5.4/include/linux/ |
| D | tee_drv.h | 62 struct tee_shm *shm; member
110 int (*shm_register)(struct tee_context *ctx, struct tee_shm *shm,
113 int (*shm_unregister)(struct tee_context *ctx, struct tee_shm *shm);
219 int (*alloc)(struct tee_shm_pool_mgr *poolmgr, struct tee_shm *shm,
221 void (*free)(struct tee_shm_pool_mgr *poolmgr, struct tee_shm *shm);
350 static inline bool tee_shm_is_registered(struct tee_shm *shm) in tee_shm_is_registered() argument
352 return shm && (shm->flags & TEE_SHM_REGISTER); in tee_shm_is_registered()
359 void tee_shm_free(struct tee_shm *shm);
365 void tee_shm_put(struct tee_shm *shm);
374 int tee_shm_va2pa(struct tee_shm *shm, void *va, phys_addr_t *pa);
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| /Linux-v5.4/drivers/media/platform/s5p-mfc/ |
| D | s5p_mfc_opr_v5.c | 224 ctx->shm.size = buf_size->shm; in s5p_mfc_alloc_instance_buffer_v5()
225 ret = s5p_mfc_alloc_priv_buf(dev, BANK_L_CTX, &ctx->shm); in s5p_mfc_alloc_instance_buffer_v5()
233 ctx->shm.ofs = ctx->shm.dma - dev->dma_base[BANK_L_CTX]; in s5p_mfc_alloc_instance_buffer_v5()
234 BUG_ON(ctx->shm.ofs & ((1 << MFC_BANK1_ALIGN_ORDER) - 1)); in s5p_mfc_alloc_instance_buffer_v5()
236 memset(ctx->shm.virt, 0, buf_size->shm); in s5p_mfc_alloc_instance_buffer_v5()
245 s5p_mfc_release_priv_buf(ctx->dev, &ctx->shm); in s5p_mfc_release_instance_buffer_v5()
263 *(u32 *)(ctx->shm.virt + ofs) = data; in s5p_mfc_write_info_v5()
271 return *(u32 *)(ctx->shm.virt + ofs); in s5p_mfc_read_info_v5()
358 mfc_write(dev, ctx->shm.ofs, S5P_FIMV_SI_CH0_HOST_WR_ADR); in s5p_mfc_set_shared_buffer()
679 unsigned int shm; in s5p_mfc_set_enc_params() local
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| /Linux-v5.4/drivers/char/tpm/ |
| D | tpm_ftpm_tee.c | 82 struct tee_shm *shm = pvt_data->shm; in ftpm_tee_tpm_op_send() local
106 .shm = shm, in ftpm_tee_tpm_op_send()
112 temp_buf = tee_shm_get_va(shm, 0); in ftpm_tee_tpm_op_send()
124 .shm = shm, in ftpm_tee_tpm_op_send()
138 temp_buf = tee_shm_get_va(shm, command_params[1].u.memref.shm_offs); in ftpm_tee_tpm_op_send()
258 pvt_data->shm = tee_shm_alloc(pvt_data->ctx, in ftpm_tee_probe()
261 if (IS_ERR(pvt_data->shm)) { in ftpm_tee_probe()
291 tee_shm_free(pvt_data->shm); in ftpm_tee_probe()
318 tee_shm_free(pvt_data->shm); in ftpm_tee_remove()
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| D | tpm_ftpm_tee.h | 37 struct tee_shm *shm; member
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| /Linux-v5.4/sound/usb/usx2y/ |
| D | usx2yhwdeppcm.c | 103 struct snd_usX2Y_hwdep_pcm_shm *shm = usX2Y->hwdep_pcm_shm; in usX2Y_hwdep_urb_play_prepare() local
106 if (0 > shm->playback_iso_start) { in usX2Y_hwdep_urb_play_prepare()
107 shm->playback_iso_start = shm->captured_iso_head - in usX2Y_hwdep_urb_play_prepare()
109 if (0 > shm->playback_iso_start) in usX2Y_hwdep_urb_play_prepare()
110 shm->playback_iso_start += ARRAY_SIZE(shm->captured_iso); in usX2Y_hwdep_urb_play_prepare()
111 shm->playback_iso_head = shm->playback_iso_start; in usX2Y_hwdep_urb_play_prepare()
117 counts = shm->captured_iso[shm->playback_iso_head].length / usX2Y->stride; in usX2Y_hwdep_urb_play_prepare()
123 urb->iso_frame_desc[pack].offset = shm->captured_iso[shm->playback_iso_head].offset; in usX2Y_hwdep_urb_play_prepare()
124 urb->iso_frame_desc[pack].length = shm->captured_iso[shm->playback_iso_head].length; in usX2Y_hwdep_urb_play_prepare()
128 if (++shm->playback_iso_head >= ARRAY_SIZE(shm->captured_iso)) in usX2Y_hwdep_urb_play_prepare()
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| D | usX2Yhwdep.c | 81 struct us428ctls_sharedmem *shm = us428->us428ctls_sharedmem; in snd_us428ctls_poll() local
87 if (shm != NULL && shm->CtlSnapShotLast != shm->CtlSnapShotRed) in snd_us428ctls_poll()
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| /Linux-v5.4/tools/testing/selftests/vm/ |
| D | .gitignore | 2 hugepage-shm
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| D | Makefile | 9 TEST_GEN_FILES += hugepage-shm
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| D | run_vmtests | 82 ./hugepage-shm
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| /Linux-v5.4/ipc/ |
| D | Makefile | 7 obj-$(CONFIG_SYSVIPC) += util.o msgutil.o msg.o sem.o shm.o syscall.o
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| /Linux-v5.4/drivers/block/ |
| D | sx8.c | 266 void *shm; member
1014 struct carm_response *resp = (struct carm_response *) host->shm; in carm_handle_responses()
1248 struct carm_response *resp = (struct carm_response *) host->shm; in carm_init_responses()
1392 host->shm = dma_alloc_coherent(&host->pdev->dev, CARM_SHM_SIZE, in carm_init_shm()
1394 if (!host->shm) in carm_init_shm()
1397 host->msg_base = host->shm + RBUF_LEN; in carm_init_shm()
1400 memset(host->shm, 0xff, RBUF_LEN); in carm_init_shm()
1546 dma_free_coherent(&pdev->dev, CARM_SHM_SIZE, host->shm, host->shm_dma); in carm_init_one()
1579 dma_free_coherent(&pdev->dev, CARM_SHM_SIZE, host->shm, host->shm_dma); in carm_remove_one()
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| /Linux-v5.4/Documentation/filesystems/ |
| D | tmpfs.txt | 35 2) glibc 2.2 and above expects tmpfs to be mounted at /dev/shm for
39 tmpfs /dev/shm tmpfs defaults 0 0
46 necessary to mount the predecessor of tmpfs (shm fs) to use SYSV
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| /Linux-v5.4/tools/testing/selftests/rcutorture/doc/ |
| D | rcu-test-image.txt | 23 tmpfs /dev/shm tmpfs defaults 0 0
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| /Linux-v5.4/drivers/net/wireless/broadcom/b43legacy/ |
| D | debugfs.c | 329 B43legacy_DEBUGFS_FOPS(shm, shm_read_file, NULL, 1);
409 ADD_FILE(shm, 0400); in b43legacy_debugfs_add_device()
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