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/linux/sound/soc/intel/avs/
H A Dipc.c24 struct avs_ipc *ipc = adev->ipc; in avs_dsp_set_d0ix()
28 if (ipc->in_d0ix == enable) in avs_dsp_set_d0ix()
33 /* Prevent further d0ix attempts on conscious IPC failure. */ in avs_dsp_set_d0ix()
35 atomic_inc(&ipc->d0ix_disable_depth); in avs_dsp_set_d0ix()
37 ipc->in_d0ix = false; in avs_dsp_set_d0ix()
41 ipc->in_d0ix = enable; in avs_dsp_set_d0ix()
47 if (atomic_read(&adev->ipc->d0ix_disable_depth)) in avs_dsp_schedule_d0ix()
50 mod_delayed_work(system_power_efficient_wq, &adev->ipc->d0ix_work, in avs_dsp_schedule_d0ix()
56 struct avs_ipc *ipc in avs_dsp_d0ix_work()
23 struct avs_ipc *ipc = adev->ipc; avs_dsp_set_d0ix() local
55 struct avs_ipc *ipc = container_of(work, struct avs_ipc, d0ix_work.work); avs_dsp_d0ix_work() local
62 struct avs_ipc *ipc = adev->ipc; avs_dsp_wake_d0i0() local
74 struct avs_ipc *ipc = adev->ipc; avs_dsp_disable_d0ix() local
87 struct avs_ipc *ipc = adev->ipc; avs_dsp_enable_d0ix() local
152 struct avs_ipc *ipc = container_of(work, struct avs_ipc, recovery_work); avs_dsp_recovery_work() local
159 struct avs_ipc *ipc = adev->ipc; avs_dsp_exception_caught() local
186 struct avs_ipc *ipc = adev->ipc; avs_dsp_receive_rx() local
288 struct avs_ipc *ipc = adev->ipc; avs_dsp_process_response() local
307 avs_ipc_is_busy(struct avs_ipc * ipc) avs_ipc_is_busy() argument
317 avs_ipc_wait_busy_completion(struct avs_ipc * ipc,int timeout) avs_ipc_wait_busy_completion() argument
358 avs_ipc_msg_init(struct avs_ipc * ipc,struct avs_ipc_msg * reply) avs_ipc_msg_init() argument
393 struct avs_ipc *ipc = adev->ipc; avs_dsp_do_send_msg() local
500 struct avs_ipc *ipc = adev->ipc; avs_dsp_do_send_rom_msg() local
557 avs_ipc_init(struct avs_ipc * ipc,struct device * dev) avs_ipc_init() argument
576 avs_ipc_block(struct avs_ipc * ipc) avs_ipc_block() argument
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/linux/drivers/net/wireless/quantenna/qtnfmac/
H A Dshm_ipc.c12 static bool qtnf_shm_ipc_has_new_data(struct qtnf_shm_ipc *ipc) in qtnf_shm_ipc_has_new_data() argument
14 const u32 flags = readl(&ipc->shm_region->headroom.hdr.flags); in qtnf_shm_ipc_has_new_data()
19 static void qtnf_shm_handle_new_data(struct qtnf_shm_ipc *ipc) in qtnf_shm_handle_new_data() argument
25 shm_reg_hdr = &ipc->shm_region->headroom.hdr; in qtnf_shm_handle_new_data()
35 ipc->rx_packet_count++; in qtnf_shm_handle_new_data()
36 ipc->rx_callback.fn(ipc->rx_callback.arg, in qtnf_shm_handle_new_data()
37 ipc->shm_region->data, size); in qtnf_shm_handle_new_data()
43 ipc->interrupt.fn(ipc->interrupt.arg); in qtnf_shm_handle_new_data()
48 struct qtnf_shm_ipc *ipc = container_of(work, struct qtnf_shm_ipc, in qtnf_shm_ipc_irq_work() local
51 while (qtnf_shm_ipc_has_new_data(ipc)) in qtnf_shm_ipc_irq_work()
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H A Dshm_ipc.h44 void (*irq_handler)(struct qtnf_shm_ipc *ipc);
51 int qtnf_shm_ipc_init(struct qtnf_shm_ipc *ipc,
57 void qtnf_shm_ipc_free(struct qtnf_shm_ipc *ipc);
58 int qtnf_shm_ipc_send(struct qtnf_shm_ipc *ipc, const u8 *buf, size_t size);
60 static inline void qtnf_shm_ipc_irq_handler(struct qtnf_shm_ipc *ipc) in qtnf_shm_ipc_irq_handler() argument
62 ipc->irq_handler(ipc); in qtnf_shm_ipc_irq_handler()
/linux/sound/soc/sof/
H A Dipc.c10 // Generic IPC layer that can work over MMIO and SPI/I2C. PHY layer provided
22 * sof_ipc_send_msg - generic function to prepare and send one IPC message
33 * Note: higher level sdev->ipc->tx_mutex must be held to make sure that
39 struct snd_sof_ipc *ipc = sdev->ipc; in sof_ipc_send_msg() local
43 if (ipc->disable_ipc_tx || sdev->fw_state != SOF_FW_BOOT_COMPLETE) in sof_ipc_send_msg()
53 msg = &ipc->msg; in sof_ipc_send_msg()
74 /* send IPC message from host to DSP */
75 int sof_ipc_tx_message(struct snd_sof_ipc *ipc, void *msg_data, size_t msg_bytes, in sof_ipc_tx_message() argument
78 if (msg_bytes > ipc->max_payload_size || in sof_ipc_tx_message()
79 reply_bytes > ipc->max_payload_size) in sof_ipc_tx_message()
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H A DKconfig130 bool "SOF allow fallback to newer IPC version"
132 This option will allow the kernel to try to 'fallback' to a newer IPC
133 version if there are missing firmware files to satisfy the default IPC
135 IPC version fallback to older versions is not affected by this option,
184 bool "SOF verbose IPC logs"
186 This option enables more verbose IPC logs, with command types in
188 if you are trying to debug IPC with the DSP firmware.
192 bool "SOF force to use IPC for position update on SKL+"
197 On platforms (e.g. Intel SKL-) where position update IPC is the only
222 tristate "SOF enable IPC flood test"
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H A DMakefile3 snd-sof-y := core.o ops.o loader.o ipc.o pcm.o pm.o debug.o topology.o\
4 control.o trace.o iomem-utils.o sof-audio.o stream-ipc.o\
7 # IPC implementations
28 snd-sof-ipc-flood-test-y := sof-client-ipc-flood-test.o
29 snd-sof-ipc-msg-injector-y := sof-client-ipc-msg-injector.o
30 snd-sof-ipc-kernel-injector-y := sof-client-ipc-kernel-injector.o
52 obj-$(CONFIG_SND_SOC_SOF_DEBUG_IPC_FLOOD_TEST) += snd-sof-ipc-flood-test.o
53 obj-$(CONFIG_SND_SOC_SOF_DEBUG_IPC_MSG_INJECTOR) += snd-sof-ipc-msg-injector.o
54 obj-$(CONFIG_SND_SOC_SOF_DEBUG_IPC_KERNEL_INJECTOR) += snd-sof-ipc-kernel-injector.o
H A Dipc4.c28 {3, "Not enough space in the IPC reply buffer to complete the request"},
30 {5, "Replaced ADSP IPC PENDING (unused)"},
300 sof_ipc4_log_header(sdev->dev, "ipc tx reply", ipc4_reply, false); in sof_ipc4_get_reply()
318 /* wait for IPC message reply */
319 static int ipc4_wait_tx_done(struct snd_sof_ipc *ipc, void *reply_data) in ipc4_wait_tx_done() argument
321 struct snd_sof_ipc_msg *msg = &ipc->msg; in ipc4_wait_tx_done()
323 struct snd_sof_dev *sdev = ipc->sdev; in ipc4_wait_tx_done()
326 /* wait for DSP IPC completion */ in ipc4_wait_tx_done()
330 dev_err(sdev->dev, "ipc timed out for %#x|%#x\n", in ipc4_wait_tx_done()
332 snd_sof_handle_fw_exception(ipc->sdev, "IPC timeout"); in ipc4_wait_tx_done()
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H A Dipc4-topology.h92 * Use LARGE_CONFIG_SET to initialize timestamp event. Ipc mailbox must
97 * Use LARGE_CONFIG_SET to initialize copier sink. Ipc mailbox must contain
103 * event. Ipc mailbox must contain properly built DataSegmentEnabled struct.
166 * struct sof_ipc4_multi_pipeline_data - multi pipeline trigger IPC data
205 * struct sof_copier_gateway_cfg - IPC gateway configuration
219 * struct sof_ipc4_copier_data - IPC data for copier
317 * @data: IPC copier data
353 * struct sof_ipc4_control_data - IPC data for kcontrol IO
373 * struct sof_ipc4_control_msg_payload - IPC payload for kcontrol parameters
387 * struct sof_ipc4_gain_params - IPC gain parameters
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H A Dsof-client-ipc-flood-test.c75 /* configure test IPC */ in sof_debug_ipc_flood_test()
83 /* send test IPC's */ in sof_debug_ipc_flood_test()
112 dev_err(dev, "ipc flood test failed at %d iterations\n", i); in sof_debug_ipc_flood_test()
114 /* return if the first IPC fails */ in sof_debug_ipc_flood_test()
125 dev_dbg(dev, "IPC Flood test duration: %lums\n", ipc_duration_ms); in sof_debug_ipc_flood_test()
127 "IPC Flood test duration: %lums\n", ipc_duration_ms); in sof_debug_ipc_flood_test()
130 dev_dbg(dev, "IPC Flood count: %d, Avg response time: %lluns\n", in sof_debug_ipc_flood_test()
138 "IPC Flood count: %d\nAvg response time: %lluns\n", in sof_debug_ipc_flood_test()
150 * Writing to the debugfs entry initiates the IPC flood test based on
151 * the IPC count or the duration specified by the user.
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/linux/sound/soc/intel/catpt/
H A Dipc.c16 void catpt_ipc_init(struct catpt_ipc *ipc, struct device *dev) in catpt_ipc_init() argument
18 ipc->dev = dev; in catpt_ipc_init()
19 ipc->ready = false; in catpt_ipc_init()
20 ipc->default_timeout = CATPT_IPC_TIMEOUT_MS; in catpt_ipc_init()
21 init_completion(&ipc->done_completion); in catpt_ipc_init()
22 init_completion(&ipc->busy_completion); in catpt_ipc_init()
23 spin_lock_init(&ipc->lock); in catpt_ipc_init()
24 mutex_init(&ipc->mutex); in catpt_ipc_init()
27 static int catpt_ipc_arm(struct catpt_ipc *ipc, struct catpt_fw_ready *config) in catpt_ipc_arm() argument
34 ipc->rx.data = devm_kzalloc(ipc->dev, config->outbox_size, GFP_KERNEL); in catpt_ipc_arm()
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/linux/drivers/platform/x86/
H A Dintel_scu_ipc.c3 * Driver for the Intel SCU IPC mechanism
9 * core through IPC mechanism which in turn messaging between IA core ad SCU.
10 * SCU has two IPC mechanism IPC-1 and IPC-2. IPC-1 is used between IA32 and
11 * SCU where IPC-2 is used between P-Unit and SCU. This driver delas with
12 * IPC-1 Driver provides an API for power control unit registers (e.g. MSIC)
29 /* IPC defines the following message types */
38 * IPC register summary
40 * IPC register blocks are memory mapped at fixed address of PCI BAR 0.
41 * To read or write information to the SCU, driver writes to IPC-1 memory
42 * mapped registers. The following is the IPC mechanism
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/linux/include/linux/firmware/imx/
H A Ddsp.h5 * Header file for the DSP IPC implementation
18 struct imx_dsp_ipc *ipc; member
26 void (*handle_reply)(struct imx_dsp_ipc *ipc);
27 void (*handle_request)(struct imx_dsp_ipc *ipc);
38 static inline void imx_dsp_set_data(struct imx_dsp_ipc *ipc, void *data) in imx_dsp_set_data() argument
40 ipc->private_data = data; in imx_dsp_set_data()
43 static inline void *imx_dsp_get_data(struct imx_dsp_ipc *ipc) in imx_dsp_get_data() argument
45 return ipc->private_data; in imx_dsp_get_data()
52 struct mbox_chan *imx_dsp_request_channel(struct imx_dsp_ipc *ipc, int idx);
53 void imx_dsp_free_channel(struct imx_dsp_ipc *ipc, int idx);
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H A Dipc.h5 * Header file for the IPC implementation.
39 * This is an function to send an RPC message over an IPC channel.
42 * @param[in] ipc IPC handle
49 int imx_scu_call_rpc(struct imx_sc_ipc *ipc, void *msg, bool have_resp);
52 * This function gets the default ipc handle used by SCU
54 * @param[out] ipc sc ipc handle
58 int imx_scu_get_handle(struct imx_sc_ipc **ipc);
60 static inline int imx_scu_call_rpc(struct imx_sc_ipc *ipc, void *msg, in imx_scu_call_rpc() argument
66 static inline int imx_scu_get_handle(struct imx_sc_ipc **ipc) in imx_scu_get_handle() argument
/linux/drivers/media/platform/st/sti/delta/
H A Ddelta-ipc.c10 #include "delta-ipc.h"
54 * IPC shared memory (@ipc_buf_size, @ipc_buf_paddr) is sent to copro
55 * at each instance opening. This memory is allocated by IPC client
58 * this IPC shared memory, avoiding de-facto recopies inside delta-ipc.
123 "%s ipc: failed to open, rpmsg is not initialized\n", in delta_ipc_open()
131 "%s ipc: failed to open, no name given\n", in delta_ipc_open()
138 "%s ipc: failed to open, empty parameter\n", in delta_ipc_open()
145 "%s ipc: failed to open, no size given for ipc buffer\n", in delta_ipc_open()
152 "%s ipc: failed to open, too large ipc parameter (%d bytes while max %d expected)\n", in delta_ipc_open()
167 "ipc data buffer", buf); in delta_ipc_open()
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/linux/net/qrtr/
H A Daf_qrtr.c161 static void qrtr_port_put(struct qrtr_sock *ipc);
440 struct qrtr_sock *ipc; in qrtr_endpoint_post() local
530 ipc = qrtr_port_lookup(cb->dst_port); in qrtr_endpoint_post()
531 if (!ipc) in qrtr_endpoint_post()
534 if (sock_queue_rcv_skb(&ipc->sk, skb)) { in qrtr_endpoint_post()
535 qrtr_port_put(ipc); in qrtr_endpoint_post()
539 qrtr_port_put(ipc); in qrtr_endpoint_post()
669 struct qrtr_sock *ipc; in qrtr_port_lookup() local
675 ipc = xa_load(&qrtr_ports, port); in qrtr_port_lookup()
676 if (ipc) in qrtr_port_lookup()
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H A DKconfig2 # Qualcomm IPC Router configuration
6 tristate "Qualcomm IPC Router support"
8 Say Y if you intend to use Qualcomm IPC router protocol. The
18 tristate "SMD IPC Router channels"
22 most common transport for IPC Router.
25 tristate "TUN device for Qualcomm IPC Router"
32 tristate "MHI IPC Router channels"
/linux/fs/smb/server/
H A Dksmbd_netlink.h14 * This is a userspace ABI to communicate data between ksmbd and user IPC
19 * This event is to check whether user IPC daemon is alive. If user IPC
25 * server from the user IPC daemon and to start the server. The global
33 * This event is to get user account info to user IPC daemon.
42 * This event is to send tree disconnect info to user IPC daemon.
45 * This event is to send logout request to user IPC daemon.
56 * This event is to get user account extension info to user IPC daemon.
67 * IPC heartbeat frame to check whether user IPC daemon is alive.
84 * IPC request for ksmbd server startup
124 * IPC request to shutdown ksmbd server.
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/linux/tools/perf/tests/shell/
H A Dstat+shadow_stat.sh19 while read num evt _ ipc rest
39 if [ "$ipc" != "$res" ]; then
41 diff=`echo $ipc $res $THRESHOLD | \
45 echo "IPC is different: $res != $ipc ($num / $cyc)"
49 echo "Warning: Difference of IPC is under the threshold"
58 while read cpu num evt _ ipc rest
81 if [ "$ipc" != "$res" ]; then
83 diff=`echo $ipc $res $THRESHOLD | \
87 echo "IPC is different: $res != $ipc ($num / $cyc)"
91 echo "Warning: Difference of IPC is under the threshold"
/linux/drivers/misc/mei/
H A Dhw-txe-regs.h39 #define IPC_BASE_ADDR 0x80400 /* SeC IPC Base Address */
41 /* IPC Input Doorbell Register */
44 /* IPC Input Status Register
53 /* IPC Host Interrupt Status Register */
68 /* IPC Host Interrupt Mask Register */
74 /* IPC Input Payload RAM */
76 /* IPC Shared Payload RAM */
102 * that arrive via IPC.
121 /* Host Interrupt Cause Register 0 - SeC IPC Readiness
125 * This register is used by SeC's IPC driver in order
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/linux/drivers/firmware/imx/
H A Dmisc.c43 * @param[in] ipc IPC handle
51 int imx_sc_misc_set_control(struct imx_sc_ipc *ipc, u32 resource, in imx_sc_misc_set_control() argument
66 return imx_scu_call_rpc(ipc, &msg, true); in imx_sc_misc_set_control()
73 * @param[in] ipc IPC handle
81 int imx_sc_misc_get_control(struct imx_sc_ipc *ipc, u32 resource, in imx_sc_misc_get_control() argument
97 ret = imx_scu_call_rpc(ipc, &msg, true); in imx_sc_misc_get_control()
112 * @param[in] ipc IPC handle
119 int imx_sc_pm_cpu_start(struct imx_sc_ipc *ipc, u32 resource, in imx_sc_pm_cpu_start() argument
135 return imx_scu_call_rpc(ipc, &msg, true); in imx_sc_pm_cpu_start()
H A Drm.c19 * @param[in] ipc IPC handle
24 bool imx_sc_rm_is_resource_owned(struct imx_sc_ipc *ipc, u16 resource) in imx_sc_rm_is_resource_owned() argument
41 imx_scu_call_rpc(ipc, &msg, true); in imx_sc_rm_is_resource_owned()
62 * @param[in] ipc IPC handle
68 int imx_sc_rm_get_resource_owner(struct imx_sc_ipc *ipc, u16 resource, u8 *pt) in imx_sc_rm_get_resource_owner() argument
81 ret = imx_scu_call_rpc(ipc, &msg, true); in imx_sc_rm_get_resource_owner()
/linux/include/linux/firmware/mediatek/
H A Dmtk-adsp-ipc.h28 void (*handle_reply)(struct mtk_adsp_ipc *ipc);
29 void (*handle_request)(struct mtk_adsp_ipc *ipc);
33 struct mtk_adsp_ipc *ipc; member
47 static inline void mtk_adsp_ipc_set_data(struct mtk_adsp_ipc *ipc, void *data) in mtk_adsp_ipc_set_data() argument
49 ipc->private_data = data; in mtk_adsp_ipc_set_data()
52 static inline void *mtk_adsp_ipc_get_data(struct mtk_adsp_ipc *ipc) in mtk_adsp_ipc_get_data() argument
54 return ipc->private_data; in mtk_adsp_ipc_get_data()
57 int mtk_adsp_ipc_send(struct mtk_adsp_ipc *ipc, unsigned int idx, uint32_t op);
/linux/sound/soc/sof/intel/
H A Dhda-ipc.c67 /* send IPC message to DSP */ in hda_dsp_ipc_send_msg()
95 /* Schedule a delayed work for d0i3 entry after sending non-pm ipc msg */ in hda_dsp_ipc4_schedule_d0i3_work()
138 * Sometimes, there is unexpected reply ipc arriving. The reply in hda_dsp_ipc_get_reply()
139 * ipc belongs to none of the ipcs sent from driver. in hda_dsp_ipc_get_reply()
140 * In this case, the driver must ignore the ipc. in hda_dsp_ipc_get_reply()
143 dev_warn(sdev->dev, "unexpected ipc interrupt raised!\n"); in hda_dsp_ipc_get_reply()
151 * memory windows are powered off before sending IPC reply, in hda_dsp_ipc_get_reply()
202 struct sof_ipc4_msg *data = sdev->ipc->msg.reply_data; in hda_dsp_ipc4_irq_thread()
216 "IPC reply before FW_READY: %#x|%#x\n", in hda_dsp_ipc4_irq_thread()
224 sdev->ipc->msg.rx_data = &notification_data; in hda_dsp_ipc4_irq_thread()
[all …]
/linux/Documentation/devicetree/bindings/soc/ti/
H A Dwkup-m3-ipc.yaml4 $id: http://devicetree.org/schemas/soc/ti/wkup-m3-ipc.yaml#
7 title: Wakeup M3 IPC device
18 to boot the wkup_m3, it handles communication with the CM3 using IPC registers
24 A wkup_m3_ipc device node is used to represent the IPC registers within an
52 - ti,am3352-wkup-m3-ipc # for AM33xx SoCs
53 - ti,am4372-wkup-m3-ipc # for AM43xx SoCs
57 The IPC register address space to communicate with the Wakeup M3 processor
67 phandle to the wkup_m3 rproc node so the IPC driver can boot it
71 phandles used by IPC framework to get correct mbox
98 const: ti,am4372-wkup-m3-ipc
[all …]
/linux/drivers/gpu/drm/i915/selftests/
H A Di915_sw_fence.c514 struct task_ipc *ipc = container_of(work, typeof(*ipc), work); in task_ipc() local
516 complete(&ipc->started); in task_ipc()
518 i915_sw_fence_wait(ipc->in); in task_ipc()
519 smp_store_mb(ipc->value, 1); in task_ipc()
520 i915_sw_fence_commit(ipc->out); in task_ipc()
525 struct task_ipc ipc; in test_ipc() local
534 ipc.in = alloc_fence(); in test_ipc()
535 if (!ipc.in) { in test_ipc()
539 ipc.out = alloc_fence(); in test_ipc()
540 if (!ipc.out) { in test_ipc()
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