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Searched refs:shm (Results 1 – 25 of 46) sorted by relevance

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/linux/drivers/tee/
H A Dtee_shm.c21 struct tee_shm shm; member
26 static void release_registered_pages(struct tee_shm *shm) in release_registered_pages() argument
28 if (shm->pages) { in release_registered_pages()
29 if (shm->flags & TEE_SHM_USER_MAPPED) in release_registered_pages()
30 unpin_user_pages(shm->pages, shm->num_pages); in release_registered_pages()
32 kfree(shm->pages); in release_registered_pages()
36 static void tee_shm_release(struct tee_device *teedev, struct tee_shm *shm) in tee_shm_release() argument
38 void *p = shm; in tee_shm_release()
40 if (shm->flags & TEE_SHM_DMA_MEM) { in tee_shm_release()
44 dma_mem = container_of(shm, struct tee_shm_dma_mem, shm); in tee_shm_release()
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H A Dtee_shm_pool.c12 static int pool_op_gen_alloc(struct tee_shm_pool *pool, struct tee_shm *shm, in pool_op_gen_alloc() argument
26 shm->kaddr = (void *)va; in pool_op_gen_alloc()
27 shm->paddr = gen_pool_virt_to_phys(genpool, va); in pool_op_gen_alloc()
28 shm->size = s; in pool_op_gen_alloc()
33 shm->flags &= ~TEE_SHM_DYNAMIC; in pool_op_gen_alloc()
37 static void pool_op_gen_free(struct tee_shm_pool *pool, struct tee_shm *shm) in pool_op_gen_free() argument
39 gen_pool_free(pool->private_data, (unsigned long)shm->kaddr, in pool_op_gen_free()
40 shm->size); in pool_op_gen_free()
41 shm->kaddr = NULL; in pool_op_gen_free()
H A Dtee_core.c260 struct tee_shm *shm; in tee_ioctl_shm_alloc() local
269 shm = tee_shm_alloc_user_buf(ctx, data.size); in tee_ioctl_shm_alloc()
270 if (IS_ERR(shm)) in tee_ioctl_shm_alloc()
271 return PTR_ERR(shm); in tee_ioctl_shm_alloc()
273 data.id = shm->id; in tee_ioctl_shm_alloc()
274 data.size = shm->size; in tee_ioctl_shm_alloc()
279 ret = tee_shm_get_fd(shm); in tee_ioctl_shm_alloc()
286 tee_shm_put(shm); in tee_ioctl_shm_alloc()
296 struct tee_shm *shm; in tee_ioctl_shm_register() local
305 shm = tee_shm_register_user_buf(ctx, data.addr, data.length); in tee_ioctl_shm_register()
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H A Dtee_heap.c342 struct tee_shm *shm, in tee_heap_update_from_dma_buf() argument
357 shm->size = buf->size; in tee_heap_update_from_dma_buf()
360 buf->offs, shm, parent_shm); in tee_heap_update_from_dma_buf()
384 struct tee_shm *shm __always_unused, in tee_heap_update_from_dma_buf()
435 struct tee_shm *shm, in protmem_pool_op_static_update_shm() argument
440 shm->paddr = stp->pa_base + offs; in protmem_pool_op_static_update_shm()
/linux/drivers/tee/qcomtee/
H A Dshm.c44 struct tee_shm *shm; in qcomtee_msg_buffers_alloc() local
68 shm = tee_shm_alloc_priv_buf(ctx, size); in qcomtee_msg_buffers_alloc()
69 if (IS_ERR(shm)) in qcomtee_msg_buffers_alloc()
70 return PTR_ERR(shm); in qcomtee_msg_buffers_alloc()
73 oic->in_shm = shm; in qcomtee_msg_buffers_alloc()
74 shm = tee_shm_alloc_priv_buf(ctx, MAX_OUTBOUND_BUFFER_SIZE); in qcomtee_msg_buffers_alloc()
75 if (IS_ERR(shm)) { in qcomtee_msg_buffers_alloc()
78 return PTR_ERR(shm); in qcomtee_msg_buffers_alloc()
81 oic->out_shm = shm; in qcomtee_msg_buffers_alloc()
102 static int qcomtee_shm_register(struct tee_context *ctx, struct tee_shm *shm, in qcomtee_shm_register() argument
[all …]
H A Dmem_obj.c37 struct tee_shm *shm; member
68 tee_shm_put(mem_object->shm); in qcomtee_mem_object_release()
91 struct tee_shm *shm; in qcomtee_memobj_param_to_object() local
98 shm = tee_shm_get_from_id(ctx, param->u.objref.id); in qcomtee_memobj_param_to_object()
99 if (IS_ERR(shm)) in qcomtee_memobj_param_to_object()
100 return PTR_ERR(shm); in qcomtee_memobj_param_to_object()
106 shm->id); in qcomtee_memobj_param_to_object()
108 tee_shm_put(shm); in qcomtee_memobj_param_to_object()
113 mem_object->paddr = shm->paddr; in qcomtee_memobj_param_to_object()
114 mem_object->size = shm->size; in qcomtee_memobj_param_to_object()
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/linux/drivers/tee/amdtee/
H A Dshm_pool.c11 static int pool_op_alloc(struct tee_shm_pool *pool, struct tee_shm *shm, in pool_op_alloc() argument
26 shm->kaddr = (void *)va; in pool_op_alloc()
27 shm->paddr = __psp_pa((void *)va); in pool_op_alloc()
28 shm->size = PAGE_SIZE << order; in pool_op_alloc()
31 rc = amdtee_map_shmem(shm); in pool_op_alloc()
34 shm->kaddr = NULL; in pool_op_alloc()
41 static void pool_op_free(struct tee_shm_pool *pool, struct tee_shm *shm) in pool_op_free() argument
44 amdtee_unmap_shmem(shm); in pool_op_free()
45 free_pages((unsigned long)shm->kaddr, get_order(shm->size)); in pool_op_free()
46 shm->kaddr = NULL; in pool_op_free()
/linux/drivers/tee/optee/
H A Dsmc_abi.c86 struct tee_shm *shm; in from_msg_param_tmp_mem() local
93 shm = (struct tee_shm *)(unsigned long)mp->u.tmem.shm_ref; in from_msg_param_tmp_mem()
94 if (!shm) { in from_msg_param_tmp_mem()
96 p->u.memref.shm = NULL; in from_msg_param_tmp_mem()
100 rc = tee_shm_get_pa(shm, 0, &pa); in from_msg_param_tmp_mem()
105 p->u.memref.shm = shm; in from_msg_param_tmp_mem()
113 struct tee_shm *shm; in from_msg_param_reg_mem() local
118 shm = (struct tee_shm *)(unsigned long)mp->u.rmem.shm_ref; in from_msg_param_reg_mem()
120 if (shm) { in from_msg_param_reg_mem()
122 p->u.memref.shm = shm; in from_msg_param_reg_mem()
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H A Drpc.c88 msg.buf = params[2].u.memref.shm->kaddr; in handle_rpc_func_cmd_i2c_transfer()
220 struct tee_shm *shm; in optee_rpc_cmd_alloc_suppl() local
233 shm = tee_shm_get_from_id(optee->supp.ctx, param.u.value.c); in optee_rpc_cmd_alloc_suppl()
235 return shm; in optee_rpc_cmd_alloc_suppl()
238 void optee_rpc_cmd_free_suppl(struct tee_context *ctx, struct tee_shm *shm) in optee_rpc_cmd_free_suppl() argument
244 param.u.value.b = tee_shm_get_id(shm); in optee_rpc_cmd_free_suppl()
258 tee_shm_put(shm); in optee_rpc_cmd_free_suppl()
331 buf = tee_shm_get_va(params[1].u.memref.shm, in handle_rpc_func_rpmb_probe_next()
392 p0 = tee_shm_get_va(params[0].u.memref.shm, in handle_rpc_func_rpmb_frames()
394 p1 = tee_shm_get_va(params[1].u.memref.shm, in handle_rpc_func_rpmb_frames()
H A Dprotmem.c182 struct tee_shm *shm, in protmem_pool_op_dyn_update_shm() argument
223 struct tee_shm *shm; in get_protmem_config() local
233 params[1].u.memref.shm = shm_param; in get_protmem_config()
237 &shm, &offs); in get_protmem_config()
249 rc = optee->ops->do_call_with_arg(optee->ctx, shm, offs, false); in get_protmem_config()
/linux/drivers/nvmem/
H A Dstm32-bsec-optee-ta.c142 struct tee_shm *shm; in stm32_bsec_optee_ta_read() local
168 shm = tee_shm_alloc_kernel_buf(ctx, num_bytes); in stm32_bsec_optee_ta_read()
169 if (IS_ERR(shm)) { in stm32_bsec_optee_ta_read()
170 ret = PTR_ERR(shm); in stm32_bsec_optee_ta_read()
175 param[1].u.memref.shm = shm; in stm32_bsec_optee_ta_read()
186 shm_buf = tee_shm_get_va(shm, 0); in stm32_bsec_optee_ta_read()
196 tee_shm_free(shm); in stm32_bsec_optee_ta_read()
207 { struct tee_shm *shm; in stm32_bsec_optee_ta_write() local
233 shm = tee_shm_alloc_kernel_buf(ctx, bytes); in stm32_bsec_optee_ta_write()
234 if (IS_ERR(shm)) { in stm32_bsec_optee_ta_write()
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/linux/drivers/tee/tstee/
H A Dcore.c167 struct tee_shm *shm = NULL; in tstee_invoke_func() local
194 shm = tee_shm_get_from_id(ctx, shm_id); in tstee_invoke_func()
195 if (IS_ERR(shm)) in tstee_invoke_func()
196 return PTR_ERR(shm); in tstee_invoke_func()
198 if (shm->size < req_len) { in tstee_invoke_func()
205 handle = shm->sec_world_id; in tstee_invoke_func()
232 if (shm && shm->size >= ffa_args[TS_RPC_SERVICE_RESP_LEN]) in tstee_invoke_func()
236 if (shm) in tstee_invoke_func()
237 tee_shm_put(shm); in tstee_invoke_func()
242 static int tstee_shm_register(struct tee_context *ctx, struct tee_shm *shm, in tstee_shm_register() argument
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/linux/include/linux/
H A Dtee_drv.h82 struct tee_shm *shm; member
145 void tee_shm_free(struct tee_shm *shm);
154 void *tee_shm_get_va(struct tee_shm *shm, size_t offs);
164 int tee_shm_get_pa(struct tee_shm *shm, size_t offs, phys_addr_t *pa);
171 static inline size_t tee_shm_get_size(struct tee_shm *shm) in tee_shm_get_size() argument
173 return shm->size; in tee_shm_get_size()
182 static inline struct page **tee_shm_get_pages(struct tee_shm *shm, in tee_shm_get_pages() argument
185 *num_pages = shm->num_pages; in tee_shm_get_pages()
186 return shm->pages; in tee_shm_get_pages()
194 static inline size_t tee_shm_get_page_offset(struct tee_shm *shm) in tee_shm_get_page_offset() argument
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/linux/drivers/media/platform/samsung/s5p-mfc/
H A Ds5p_mfc_opr_v5.c224 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()
681 unsigned int shm; in s5p_mfc_set_enc_params() local
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/linux/tools/testing/selftests/futex/functional/
H A Dfutex_wait.c11 #include <sys/shm.h>
128 void *shm; in TEST()
148 shm = mmap(NULL, sizeof(f_private), PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
149 if (shm == MAP_FAILED) {
152 ASSERT_NE(shm, MAP_FAILED)
156 memcpy(shm, &f_private, sizeof(f_private));
158 futex = shm;
167 res = futex_wake(shm, 1, 0);
174 munmap(shm, sizeof(f_private));
108 void *shm; TEST() local
/linux/sound/usb/usx2y/
H A Dusx2yhwdeppcm.c107 struct snd_usx2y_hwdep_pcm_shm *shm = usx2y->hwdep_pcm_shm; in usx2y_hwdep_urb_play_prepare() local
110 if (shm->playback_iso_start < 0) { in usx2y_hwdep_urb_play_prepare()
111 shm->playback_iso_start = shm->captured_iso_head - in usx2y_hwdep_urb_play_prepare()
113 if (shm->playback_iso_start < 0) in usx2y_hwdep_urb_play_prepare()
114 shm->playback_iso_start += ARRAY_SIZE(shm->captured_iso); in usx2y_hwdep_urb_play_prepare()
115 shm->playback_iso_head = shm->playback_iso_start; in usx2y_hwdep_urb_play_prepare()
121 counts = shm->captured_iso[shm->playback_iso_head].length / usx2y->stride; in usx2y_hwdep_urb_play_prepare()
127 urb->iso_frame_desc[pack].offset = shm->captured_iso[shm->playback_iso_head].offset; in usx2y_hwdep_urb_play_prepare()
128 urb->iso_frame_desc[pack].length = shm->captured_iso[shm->playback_iso_head].length; in usx2y_hwdep_urb_play_prepare()
132 if (++shm->playback_iso_head >= ARRAY_SIZE(shm->captured_iso)) in usx2y_hwdep_urb_play_prepare()
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H A DusX2Yhwdep.c69 struct us428ctls_sharedmem *shm = us428->us428ctls_sharedmem; in snd_us428ctls_poll() local
76 if (shm && shm->ctl_snapshot_last != shm->ctl_snapshot_red) in snd_us428ctls_poll()
/linux/drivers/rtc/
H A Drtc-optee.c146 struct tee_shm *shm; member
166 param[0].u.memref.shm = priv->shm; in optee_rtc_readtime()
173 optee_tm = tee_shm_get_va(priv->shm, 0); in optee_rtc_readtime()
205 param[0].u.memref.shm = priv->shm; in optee_rtc_settime()
208 optee_tm = tee_shm_get_va(priv->shm, 0); in optee_rtc_settime()
293 param[0].u.memref.shm = priv->shm; in optee_rtc_read_alarm()
300 optee_alarm = tee_shm_get_va(priv->shm, 0); in optee_rtc_read_alarm()
339 param[0].u.memref.shm = priv->shm; in optee_rtc_set_alarm()
342 optee_alarm = tee_shm_get_va(priv->shm, 0); in optee_rtc_set_alarm()
513 param[0].u.memref.shm = priv->shm; in optee_rtc_read_info()
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/linux/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r570/
H A Dgsp.c188 args->messageQueueInitArguments.sharedMemPhysAddr = gsp->shm.mem.addr; in r570_gsp_set_rmargs()
189 args->messageQueueInitArguments.pageTableEntryCount = gsp->shm.ptes.nr; in r570_gsp_set_rmargs()
191 (u8 *)gsp->shm.cmdq.ptr - (u8 *)gsp->shm.mem.data; in r570_gsp_set_rmargs()
193 (u8 *)gsp->shm.msgq.ptr - (u8 *)gsp->shm.mem.data; in r570_gsp_set_rmargs()
/linux/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/
H A Dgsp.c1143 gsp->shm.cmdq.size = 0x40000; in r535_gsp_shared_init()
1144 gsp->shm.msgq.size = 0x40000; in r535_gsp_shared_init()
1146 gsp->shm.ptes.nr = (gsp->shm.cmdq.size + gsp->shm.msgq.size) >> GSP_PAGE_SHIFT; in r535_gsp_shared_init()
1147 gsp->shm.ptes.nr += DIV_ROUND_UP(gsp->shm.ptes.nr * sizeof(u64), GSP_PAGE_SIZE); in r535_gsp_shared_init()
1148 gsp->shm.ptes.size = ALIGN(gsp->shm.ptes.nr * sizeof(u64), GSP_PAGE_SIZE); in r535_gsp_shared_init()
1150 ret = nvkm_gsp_mem_ctor(gsp, gsp->shm.ptes.size + in r535_gsp_shared_init()
1151 gsp->shm.cmdq.size + in r535_gsp_shared_init()
1152 gsp->shm.msgq.size, in r535_gsp_shared_init()
1153 &gsp->shm.mem); in r535_gsp_shared_init()
1157 gsp->shm.ptes.ptr = gsp->shm.mem.data; in r535_gsp_shared_init()
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/linux/security/keys/trusted-keys/
H A Dtrusted_tee.c76 dev_err(pvt_data.dev, "shm register failed\n"); in trusted_tee_seal()
85 param[0].u.memref.shm = reg_shm; in trusted_tee_seal()
89 param[1].u.memref.shm = reg_shm; in trusted_tee_seal()
123 dev_err(pvt_data.dev, "shm register failed\n"); in trusted_tee_unseal()
132 param[0].u.memref.shm = reg_shm; in trusted_tee_unseal()
136 param[1].u.memref.shm = reg_shm; in trusted_tee_unseal()
169 dev_err(pvt_data.dev, "key shm register failed\n"); in trusted_tee_get_random()
178 param[0].u.memref.shm = reg_shm; in trusted_tee_get_random()
/linux/Documentation/translations/zh_CN/filesystems/
H A Dtmpfs.rst36 2) glibc 2.2及更高版本期望将tmpfs挂载在/dev/shm上以用于POSIX共享内存
39 tmpfs /dev/shm tmpfs defaults 0 0
44 tmpfs的前身(shm fs)才能使用SYSV共享内存)
/linux/Documentation/translations/zh_TW/filesystems/
H A Dtmpfs.rst36 2) glibc 2.2及更高版本期望將tmpfs掛載在/dev/shm上以用於POSIX共享內存
39 tmpfs /dev/shm tmpfs defaults 0 0
44 tmpfs的前身(shm fs)才能使用SYSV共享內存)
/linux/drivers/firmware/efi/stmm/
H A Dtee_stmm_efi.c57 struct tee_shm *shm = NULL; in tee_mm_communicate() local
69 shm = tee_shm_register_kernel_buf(pvt_data.ctx, comm_buf, buf_size); in tee_mm_communicate()
70 if (IS_ERR(shm)) { in tee_mm_communicate()
83 param[0].u.memref.shm = shm; in tee_mm_communicate()
89 tee_shm_free(shm); in tee_mm_communicate()
/linux/arch/arm/boot/dts/nuvoton/
H A Dnuvoton-wpcm450.dtsi485 nuvoton,shm = <&shm>;
489 shm: syscon@c8001000 { label
490 compatible = "nuvoton,wpcm450-shm", "syscon";

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