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/Linux-v5.15/Documentation/devicetree/bindings/mfd/
Daxp20x.txt91 LDO2 : LDO : ldo24in-supply : shared supply
93 LDO4 : LDO : ldo24in-supply : shared supply
107 ALDO1 : LDO : aldoin-supply : shared supply
108 ALDO2 : LDO : aldoin-supply : shared supply
109 ALDO3 : LDO : aldoin-supply : shared supply
110 DLDO1 : LDO : dldoin-supply : shared supply
111 DLDO2 : LDO : dldoin-supply : shared supply
112 DLDO3 : LDO : dldoin-supply : shared supply
113 DLDO4 : LDO : dldoin-supply : shared supply
114 ELDO1 : LDO : eldoin-supply : shared supply
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/Linux-v5.15/include/linux/
Dtee_drv.h40 * @list_shm: List of shared memory object owned by this context
45 * shared memory release.
51 * @cap_memref_null: flag indicating if the TEE Client support shared
94 * @shm_register: register shared memory buffer in TEE
95 * @shm_unregister: unregister shared memory buffer in TEE
139 * @pool: Shared memory pool, NULL if not used
190 * struct tee_shm - shared memory object
192 * @paddr: physical address of the shared memory
193 * @kaddr: virtual address of the shared memory
194 * @size: size of shared memory
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/Linux-v5.15/drivers/hid/
Dhid-cougar.c78 struct cougar_shared *shared; member
121 struct cougar_shared *shared; in cougar_get_shared_data() local
124 list_for_each_entry(shared, &cougar_udev_list, list) { in cougar_get_shared_data()
125 if (hid_compare_device_paths(hdev, shared->dev, '/')) { in cougar_get_shared_data()
126 kref_get(&shared->kref); in cougar_get_shared_data()
127 return shared; in cougar_get_shared_data()
135 struct cougar_shared *shared = container_of(kref, in cougar_release_shared_data() local
139 list_del(&shared->list); in cougar_release_shared_data()
142 kfree(shared); in cougar_release_shared_data()
149 if (cougar->shared) { in cougar_remove_shared_data()
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/Linux-v5.15/Documentation/filesystems/
Dsharedsubtree.rst4 Shared Subtrees
24 that got mounted recently. Shared subtree semantics provide the necessary
33 Shared subtree provides four different flavors of mounts; struct vfsmount to be
36 a. shared mount
42 2a) A shared mount can be replicated to as many mountpoints and all the
47 Let's say /mnt has a mount that is shared::
49 mount --make-shared /mnt
51 Note: mount(8) command now supports the --make-shared flag,
86 2b) A slave mount is like a shared mount except that mount and umount events
89 All slave mounts have a master mount which is a shared.
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/Linux-v5.15/mm/
Dinterval_tree.c23 INTERVAL_TREE_DEFINE(struct vm_area_struct, shared.rb,
24 unsigned long, shared.rb_subtree_last,
38 if (!prev->shared.rb.rb_right) { in vma_interval_tree_insert_after()
40 link = &prev->shared.rb.rb_right; in vma_interval_tree_insert_after()
42 parent = rb_entry(prev->shared.rb.rb_right, in vma_interval_tree_insert_after()
43 struct vm_area_struct, shared.rb); in vma_interval_tree_insert_after()
44 if (parent->shared.rb_subtree_last < last) in vma_interval_tree_insert_after()
45 parent->shared.rb_subtree_last = last; in vma_interval_tree_insert_after()
46 while (parent->shared.rb.rb_left) { in vma_interval_tree_insert_after()
47 parent = rb_entry(parent->shared.rb.rb_left, in vma_interval_tree_insert_after()
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/Linux-v5.15/drivers/dma-buf/
Ddma-resv.c45 * The reservation object provides a mechanism to manage shared and
48 * write operations) or N shared fences (read operations). The RCU
67 list = kmalloc(struct_size(list, shared, shared_max), GFP_KERNEL); in dma_resv_list_alloc()
71 list->shared_max = (ksize(list) - offsetof(typeof(*list), shared)) / in dma_resv_list_alloc()
72 sizeof(*list->shared); in dma_resv_list_alloc()
91 dma_fence_put(rcu_dereference_protected(list->shared[i], true)); in dma_resv_list_free()
134 * dma_resv_reserve_shared - Reserve space to add shared fences to
174 fence = rcu_dereference_protected(old->shared[i], in dma_resv_reserve_shared()
177 RCU_INIT_POINTER(new->shared[--k], fence); in dma_resv_reserve_shared()
179 RCU_INIT_POINTER(new->shared[j++], fence); in dma_resv_reserve_shared()
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/Linux-v5.15/drivers/md/
Ddm-stats.c185 static int dm_stat_in_flight(struct dm_stat_shared *shared) in dm_stat_in_flight() argument
187 return atomic_read(&shared->in_flight[READ]) + in dm_stat_in_flight()
188 atomic_read(&shared->in_flight[WRITE]); in dm_stat_in_flight()
210 struct dm_stat_shared *shared; in dm_stats_cleanup() local
216 shared = &s->stat_shared[ni]; in dm_stats_cleanup()
217 if (WARN_ON(dm_stat_in_flight(shared))) { in dm_stats_cleanup()
224 atomic_read(&shared->in_flight[READ]), in dm_stats_cleanup()
225 atomic_read(&shared->in_flight[WRITE])); in dm_stats_cleanup()
483 static void dm_stat_round(struct dm_stat *s, struct dm_stat_shared *shared, in dm_stat_round() argument
497 difference = now - shared->stamp; in dm_stat_round()
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/Linux-v5.15/arch/powerpc/kvm/
De500_mmu.c71 esel += gtlb0_set_base(vcpu_e500, vcpu->arch.shared->mas2); in get_tlb_esel()
134 tlbsel = (vcpu->arch.shared->mas4 >> 28) & 0x1; in kvmppc_e500_deliver_tlb_miss()
136 tsized = (vcpu->arch.shared->mas4 >> 7) & 0x1f; in kvmppc_e500_deliver_tlb_miss()
138 vcpu->arch.shared->mas0 = MAS0_TLBSEL(tlbsel) | MAS0_ESEL(victim) in kvmppc_e500_deliver_tlb_miss()
140 vcpu->arch.shared->mas1 = MAS1_VALID | (as ? MAS1_TS : 0) in kvmppc_e500_deliver_tlb_miss()
143 vcpu->arch.shared->mas2 = (eaddr & MAS2_EPN) in kvmppc_e500_deliver_tlb_miss()
144 | (vcpu->arch.shared->mas4 & MAS2_ATTRIB_MASK); in kvmppc_e500_deliver_tlb_miss()
145 vcpu->arch.shared->mas7_3 &= MAS3_U0 | MAS3_U1 | MAS3_U2 | MAS3_U3; in kvmppc_e500_deliver_tlb_miss()
146 vcpu->arch.shared->mas6 = (vcpu->arch.shared->mas6 & MAS6_SPID1) in kvmppc_e500_deliver_tlb_miss()
332 vcpu->arch.shared->mas0 &= ~MAS0_NV(~0); in kvmppc_e500_emul_tlbre()
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De500mc.c130 mtspr(SPRN_GSPRG0, (unsigned long)vcpu->arch.shared->sprg0); in kvmppc_core_vcpu_load_e500mc()
131 mtspr(SPRN_GSPRG1, (unsigned long)vcpu->arch.shared->sprg1); in kvmppc_core_vcpu_load_e500mc()
132 mtspr(SPRN_GSPRG2, (unsigned long)vcpu->arch.shared->sprg2); in kvmppc_core_vcpu_load_e500mc()
133 mtspr(SPRN_GSPRG3, (unsigned long)vcpu->arch.shared->sprg3); in kvmppc_core_vcpu_load_e500mc()
135 mtspr(SPRN_GSRR0, vcpu->arch.shared->srr0); in kvmppc_core_vcpu_load_e500mc()
136 mtspr(SPRN_GSRR1, vcpu->arch.shared->srr1); in kvmppc_core_vcpu_load_e500mc()
139 mtspr(SPRN_GDEAR, vcpu->arch.shared->dar); in kvmppc_core_vcpu_load_e500mc()
140 mtspr(SPRN_GESR, vcpu->arch.shared->esr); in kvmppc_core_vcpu_load_e500mc()
154 vcpu->arch.shared->sprg0 = mfspr(SPRN_GSPRG0); in kvmppc_core_vcpu_put_e500mc()
155 vcpu->arch.shared->sprg1 = mfspr(SPRN_GSPRG1); in kvmppc_core_vcpu_put_e500mc()
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/Linux-v5.15/Documentation/admin-guide/mm/
Dnuma_memory_policy.rst102 * VMA policies are shared between all tasks that share a
124 Shared Policy
125 Conceptually, shared policies apply to "memory objects" mapped
126 shared into one or more tasks' distinct address spaces. An
127 application installs shared policies the same way as VMA
129 virtual addresses that map the shared object. However, unlike
131 range of a task's address space, shared policies apply
132 directly to the shared object. Thus, all tasks that attach to
134 shared object, by any task, will obey the shared policy.
136 As of 2.6.22, only shared memory segments, created by shmget() or
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/Linux-v5.15/drivers/video/fbdev/
Dpxa3xx-gcu.c88 struct pxa3xx_gcu_shared *shared; member
118 struct pxa3xx_gcu_shared *shared = priv->shared; \
132 shared->hw_running ? "running" : " idle", \
153 memset(priv->shared, 0, SHARED_SIZE); in pxa3xx_gcu_reset()
154 priv->shared->buffer_phys = priv->shared_phys; in pxa3xx_gcu_reset()
155 priv->shared->magic = PXA3XX_GCU_SHARED_MAGIC; in pxa3xx_gcu_reset()
171 struct pxa3xx_gcu_shared *sh = priv->shared; in dump_whole_state()
207 struct pxa3xx_gcu_shared *shared = priv->shared; in run_ready() local
214 shared->buffer[num++] = 0x05000000; in run_ready()
217 shared->buffer[num++] = 0x00000001; in run_ready()
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/Linux-v5.15/drivers/xen/
Dxen-front-pgdir-shbuf.c4 * Xen frontend/backend page directory based shared buffer
34 * This structure represents the structure of a shared page
35 * that contains grant references to the pages of the shared
45 * Shared buffer ops which are differently implemented
78 * \param buf shared buffer which page directory is of interest.
93 * Map granted references of the shared buffer.
95 * Depending on the shared buffer mode of allocation
97 * shared by the frontend itself) or map the provided granted
100 * \param buf shared buffer which grants to be maped.
114 * Unmap granted references of the shared buffer.
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/Linux-v5.15/include/uapi/linux/
Dtee.h45 /* Flags relating to shared memory */
47 #define TEE_IOCTL_SHM_DMA_BUF 0x2 /* dma-buf handle on shared memory */
53 #define TEE_GEN_CAP_REG_MEM (1 << 2)/* Supports registering shared memory */
95 * struct tee_ioctl_shm_alloc_data - Shared memory allocate argument
96 * @size: [in/out] Size of shared memory to allocate
98 * @id: [out] Identifier of the shared memory
111 * TEE_IOC_SHM_ALLOC - allocate shared memory
113 * Allocates shared memory between the user space process and secure OS.
117 * The returned file descriptor is used to map the shared memory into user
118 * space. The shared memory is freed when the descriptor is closed and the
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/Linux-v5.15/drivers/net/ipa/
Dipa_uc.c30 * AP and the IPA microcontroller. Each side writes data to the shared area
32 * to the interrupt. Some information found in the shared area is currently
33 * unused. All remaining space in the shared area is reserved, and must not
42 * struct ipa_uc_mem_area - AP/microcontroller shared memory area
63 * A shared memory area at the base of IPA resident memory is used for
128 struct ipa_uc_mem_area *shared = ipa_uc_shared(ipa); in ipa_uc_event_handler() local
131 if (shared->event == IPA_UC_EVENT_ERROR) in ipa_uc_event_handler()
133 else if (shared->event != IPA_UC_EVENT_LOG_INFO) in ipa_uc_event_handler()
135 shared->event); in ipa_uc_event_handler()
142 struct ipa_uc_mem_area *shared = ipa_uc_shared(ipa); in ipa_uc_response_hdlr() local
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/Linux-v5.15/drivers/soc/qcom/
DKconfig24 Command DB queries shared memory by key string for shared system
25 resources. Platform drivers that require to set state of a shared
27 SoC specific identifier and information for the shared resources.
104 and exposing regions of shared memory with remote processors for the
117 internal bus to transmit state requests for shared resources. A set
140 tristate "Qualcomm Shared Memory Manager (SMEM)"
144 Say y here to enable support for the Qualcomm Shared Memory Manager.
145 The driver provides an interface to items in a heap shared among all
167 tristate "Qualcomm Shared Memory Point to Point support"
173 Say yes here to support the Qualcomm Shared Memory Point to Point
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/Linux-v5.15/Documentation/userspace-api/
Dunshare.rst37 outside the confinement of all-or-nothing shared resources of legacy
44 shared at the time of their creation. unshare() was conceptualized by
48 shared resources without creating a new process. unshare() is a natural
57 resources is not possible. Since namespaces are shared by default
60 from default shared namespace. The following lists two use-cases
74 of shared-tree feature in the Linux kernel, even regular Linux systems
85 decide what needs to be shared at the time of creating the process
111 be shared, similar flags in unshare(int flags) should specify
135 context that are currently being shared with other processes. Part
136 of execution context, such as the namespace, is shared by default
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/Linux-v5.15/drivers/net/wireless/broadcom/brcm80211/brcmfmac/
Dpcie.c262 struct brcmf_pcie_shared_info shared; member
287 * struct brcmf_pcie_dhi_ringinfo - dongle/host interface shared ring info
670 struct brcmf_pcie_shared_info *shared; in brcmf_pcie_send_mb_data() local
676 shared = &devinfo->shared; in brcmf_pcie_send_mb_data()
677 addr = shared->htod_mb_data_addr; in brcmf_pcie_send_mb_data()
707 struct brcmf_pcie_shared_info *shared; in brcmf_pcie_handle_mb_data() local
711 shared = &devinfo->shared; in brcmf_pcie_handle_mb_data()
712 addr = shared->dtoh_mb_data_addr; in brcmf_pcie_handle_mb_data()
742 struct brcmf_pcie_shared_info *shared; in brcmf_pcie_bus_console_init() local
746 shared = &devinfo->shared; in brcmf_pcie_bus_console_init()
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/Linux-v5.15/drivers/reset/
Dcore.c34 * @shared: Is this a shared (1), or an exclusive (0) reset_control?
38 * only used for shared resets, which means that the value
47 bool shared; member
225 if (rstc->shared) { in reset_control_array_rearm()
237 if (rstc && rstc->shared) in reset_control_array_rearm()
317 * On a shared reset line the actual reset pulse is only triggered once for the
320 * Consumers must not use reset_control_(de)assert on shared reset lines when
342 if (rstc->shared) { in reset_control_reset()
354 if (rstc->shared && ret) in reset_control_reset()
386 * reset_control_rearm - allow shared reset line to be re-triggered"
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/Linux-v5.15/arch/arm64/boot/dts/ti/
Dk3-j721e-som-p0.dtsi30 compatible = "shared-dma-pool";
36 compatible = "shared-dma-pool";
42 compatible = "shared-dma-pool";
48 compatible = "shared-dma-pool";
54 compatible = "shared-dma-pool";
60 compatible = "shared-dma-pool";
66 compatible = "shared-dma-pool";
72 compatible = "shared-dma-pool";
78 compatible = "shared-dma-pool";
84 compatible = "shared-dma-pool";
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/Linux-v5.15/drivers/tee/
Dtee_shm.c91 /* Refuse sharing shared memory provided by application */ in tee_shm_op_mmap()
197 * tee_shm_alloc_kernel_buf() - Allocate shared memory for kernel buffer
198 * @ctx: Context that allocates the shared memory
199 * @size: Requested size of shared memory
341 * @shm: Shared memory handle
342 * @returns user space file descriptor to shared memory
359 * tee_shm_free() - Free shared memory
360 * @shm: Handle to shared memory to free
380 * @shm: Shared memory handle
402 * @shm: Shared memory handle
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/Linux-v5.15/drivers/infiniband/hw/vmw_pvrdma/
Dpvrdma_srq.c56 * pvrdma_query_srq - query shared receive queue
57 * @ibsrq: the shared receive queue to query
79 "could not query shared receive queue, error: %d\n", in pvrdma_query_srq()
92 * pvrdma_create_srq - create shared receive queue
93 * @ibsrq: the IB shared receive queue
94 * @init_attr: shared receive queue attributes
116 "no shared receive queue support for kernel client\n"); in pvrdma_create_srq()
122 "shared receive queue type %d not supported\n", in pvrdma_create_srq()
130 "shared receive queue size invalid\n"); in pvrdma_create_srq()
142 "create shared receive queue from user space\n"); in pvrdma_create_srq()
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/Linux-v5.15/drivers/net/wireless/ralink/rt2x00/
Drt2500usb.h380 * SEC_CSR0: Shared key 0, word 0
381 * SEC_CSR1: Shared key 0, word 1
382 * SEC_CSR2: Shared key 0, word 2
383 * SEC_CSR3: Shared key 0, word 3
384 * SEC_CSR4: Shared key 0, word 4
385 * SEC_CSR5: Shared key 0, word 5
386 * SEC_CSR6: Shared key 0, word 6
387 * SEC_CSR7: Shared key 0, word 7
399 * SEC_CSR8: Shared key 1, word 0
400 * SEC_CSR9: Shared key 1, word 1
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/Linux-v5.15/drivers/tee/optee/
Doptee_smc.h114 * a3 Cache settings, not used if physical pointer is in a predefined shared
153 * Get Shared Memory Config
155 * Returns the Secure/Non-secure shared memory config.
207 /* Secure world has reserved shared memory for normal world to use */
209 /* Secure world can communicate via previously unregistered shared memory */
213 * Secure world supports commands "register/unregister shared memory",
219 /* Secure world supports Shared Memory with a NULL reference */
234 * Disable and empties cache of shared memory objects
236 * Secure world can cache frequently used shared memory objects, for
238 * function returns one shared memory reference to free. To disable the
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/Linux-v5.15/drivers/mtd/lpddr/
Dlpddr_cmds.c38 struct flchip_shared *shared; in lpddr_cmdset() local
68 shared = kmalloc_array(lpddr->numchips, sizeof(struct flchip_shared), in lpddr_cmdset()
70 if (!shared) { in lpddr_cmdset()
78 shared[i].writing = shared[i].erasing = NULL; in lpddr_cmdset()
79 mutex_init(&shared[i].lock); in lpddr_cmdset()
84 chip->priv = &shared[i]; in lpddr_cmdset()
214 * - any write operation must own shared->writing. in get_chip()
216 * - any erase operation must own _both_ shared->writing and in get_chip()
217 * shared->erasing. in get_chip()
221 * The 'shared' struct can be read and/or written only when in get_chip()
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/Linux-v5.15/drivers/gpu/drm/i915/gem/
Di915_gem_wait.c44 struct dma_fence **shared; in i915_gem_object_wait_reservation() local
48 ret = dma_resv_get_fences(resv, &excl, &count, &shared); in i915_gem_object_wait_reservation()
53 timeout = i915_gem_object_wait_fence(shared[i], in i915_gem_object_wait_reservation()
58 dma_fence_put(shared[i]); in i915_gem_object_wait_reservation()
62 dma_fence_put(shared[i]); in i915_gem_object_wait_reservation()
63 kfree(shared); in i915_gem_object_wait_reservation()
66 * If both shared fences and an exclusive fence exist, in i915_gem_object_wait_reservation()
67 * then by construction the shared fences must be later in i915_gem_object_wait_reservation()
69 * all the shared fences, we know that the exclusive fence in i915_gem_object_wait_reservation()
70 * must all be signaled. If all the shared fences are in i915_gem_object_wait_reservation()
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