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/kernel/linux/linux-5.10/drivers/remoteproc/
Dmtk_scp_ipi.c1 // SPDX-License-Identifier: GPL-2.0
17 * scp_ipi_register() - register an ipi function
20 * @id: IPI ID
21 * @handler: IPI handler
22 * @priv: private data for IPI handler
24 * Register an ipi function to receive ipi interrupt from SCP.
26 * Returns 0 if ipi registers successfully, -error on error.
29 u32 id, in scp_ipi_register() argument
34 return -EPROBE_DEFER; in scp_ipi_register()
36 if (WARN_ON(id >= SCP_IPI_MAX) || WARN_ON(handler == NULL)) in scp_ipi_register()
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/kernel/linux/linux-6.6/drivers/remoteproc/
Dmtk_scp_ipi.c1 // SPDX-License-Identifier: GPL-2.0
21 * scp_ipi_register() - register an ipi function
24 * @id: IPI ID
25 * @handler: IPI handler
26 * @priv: private data for IPI handler
28 * Register an ipi function to receive ipi interrupt from SCP.
30 * Return: 0 if ipi registers successfully, -error on error.
33 u32 id, in scp_ipi_register() argument
38 return -EPROBE_DEFER; in scp_ipi_register()
40 if (WARN_ON(id >= SCP_IPI_MAX) || WARN_ON(handler == NULL)) in scp_ipi_register()
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Dxlnx_r5_remoteproc.c1 // SPDX-License-Identifier: GPL-2.0
7 #include <dt-bindings/power/xlnx-zynqmp-power.h>
8 #include <linux/dma-mapping.h>
9 #include <linux/firmware/xlnx-zynqmp.h>
12 #include <linux/mailbox/zynqmp-ipi-message.h>
22 /* IPI buffer MAX length */
30 * reflects possible values of xlnx,cluster-mode dt-property
34 LOCKSTEP_MODE = 1, /* cores execute same code in lockstep,clk-for-clk */
39 * struct mem_bank_data - Memory Bank description
43 * @pm_domain_id: Power-domains id of memory bank for firmware to turn on/off
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/kernel/linux/linux-5.10/Documentation/devicetree/bindings/mailbox/
Dxlnx,zynqmp-ipi-mailbox.txt1 Xilinx IPI Mailbox Controller
4 The Xilinx IPI(Inter Processor Interrupt) mailbox controller is to manage
5 messaging between two Xilinx Zynq UltraScale+ MPSoC IPI agents. Each IPI
8 +-------------------------------------+
9 | Xilinx ZynqMP IPI Controller |
10 +-------------------------------------+
11 +--------------------------------------------------+
15 +--------------------------+ |
18 +--------------------------------------------------+
19 +------------------------------------------+
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/kernel/linux/linux-6.6/Documentation/devicetree/bindings/mailbox/
Dxlnx,zynqmp-ipi-mailbox.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mailbox/xlnx,zynqmp-ipi-mailbox.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Xilinx IPI(Inter Processor Interrupt) mailbox controller
10 The Xilinx IPI(Inter Processor Interrupt) mailbox controller is to manage
11 messaging between two Xilinx Zynq UltraScale+ MPSoC IPI agents. Each IPI
14 +-------------------------------------+
15 | Xilinx ZynqMP IPI Controller |
16 +-------------------------------------+
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/kernel/linux/linux-5.10/arch/mips/kvm/
Dloongson_ipi.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Loongson-3 Virtual IPI interrupt support.
51 static int loongson_vipi_read(struct loongson_kvm_ipi *ipi, in loongson_vipi_read() argument
56 uint32_t id = core + node * 4; in loongson_vipi_read() local
59 struct ipi_state *s = &(ipi->ipistate[id]); in loongson_vipi_read()
61 BUG_ON(offset & (len - 1)); in loongson_vipi_read()
65 *(uint64_t *)val = s->status; in loongson_vipi_read()
69 *(uint64_t *)val = s->en; in loongson_vipi_read()
81 pbuf = (void *)s->buf + (offset - 0x20); in loongson_vipi_read()
96 static int loongson_vipi_write(struct loongson_kvm_ipi *ipi, in loongson_vipi_write() argument
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/kernel/linux/linux-6.6/arch/mips/kvm/
Dloongson_ipi.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Loongson-3 Virtual IPI interrupt support.
51 static int loongson_vipi_read(struct loongson_kvm_ipi *ipi, in loongson_vipi_read() argument
56 uint32_t id = core + node * 4; in loongson_vipi_read() local
59 struct ipi_state *s = &(ipi->ipistate[id]); in loongson_vipi_read()
61 BUG_ON(offset & (len - 1)); in loongson_vipi_read()
65 *(uint64_t *)val = s->status; in loongson_vipi_read()
69 *(uint64_t *)val = s->en; in loongson_vipi_read()
81 pbuf = (void *)s->buf + (offset - 0x20); in loongson_vipi_read()
96 static int loongson_vipi_write(struct loongson_kvm_ipi *ipi, in loongson_vipi_write() argument
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/kernel/linux/linux-5.10/include/linux/rpmsg/
Dmtk_rpmsg.h1 /* SPDX-License-Identifier: GPL-2.0 */
15 * struct mtk_rpmsg_info - IPI functions tied to the rpmsg device.
16 * @register_ipi: register IPI handler for an IPI id.
17 * @unregister_ipi: unregister IPI handler for a registered IPI id.
18 * @send_ipi: send IPI to an IPI id. wait is the timeout (in msecs) to wait
20 * @ns_ipi_id: the IPI id used for name service, or -1 if name service isn't
24 int (*register_ipi)(struct platform_device *pdev, u32 id,
26 void (*unregister_ipi)(struct platform_device *pdev, u32 id);
27 int (*send_ipi)(struct platform_device *pdev, u32 id,
/kernel/linux/linux-6.6/include/linux/rpmsg/
Dmtk_rpmsg.h1 /* SPDX-License-Identifier: GPL-2.0 */
15 * struct mtk_rpmsg_info - IPI functions tied to the rpmsg device.
16 * @register_ipi: register IPI handler for an IPI id.
17 * @unregister_ipi: unregister IPI handler for a registered IPI id.
18 * @send_ipi: send IPI to an IPI id. wait is the timeout (in msecs) to wait
20 * @ns_ipi_id: the IPI id used for name service, or -1 if name service isn't
24 int (*register_ipi)(struct platform_device *pdev, u32 id,
26 void (*unregister_ipi)(struct platform_device *pdev, u32 id);
27 int (*send_ipi)(struct platform_device *pdev, u32 id,
/kernel/linux/linux-5.10/drivers/mailbox/
Dzynqmp-ipi-mailbox.c1 // SPDX-License-Identifier: GPL-2.0
3 * Xilinx Inter Processor Interrupt(IPI) Mailbox Driver
8 #include <linux/arm-smccc.h>
15 #include <linux/mailbox/zynqmp-ipi-message.h>
23 /* IPI agent ID any */
26 /* indicate if ZynqMP IPI mailbox driver uses SMC calls or HVC calls */
30 /* Default IPI SMC function IDs */
39 /* IPI SMC Macros */
49 /* IPI mailbox status */
54 #define IPI_MB_CHNL_TX 0 /* IPI mailbox TX channel */
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/kernel/linux/linux-6.6/drivers/mailbox/
Dzynqmp-ipi-mailbox.c1 // SPDX-License-Identifier: GPL-2.0
3 * Xilinx Inter Processor Interrupt(IPI) Mailbox Driver
8 #include <linux/arm-smccc.h>
15 #include <linux/mailbox/zynqmp-ipi-message.h>
21 /* IPI agent ID any */
24 /* indicate if ZynqMP IPI mailbox driver uses SMC calls or HVC calls */
28 /* Default IPI SMC function IDs */
37 /* IPI SMC Macros */
47 /* IPI mailbox status */
52 #define IPI_MB_CHNL_TX 0 /* IPI mailbox TX channel */
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/kernel/linux/linux-6.6/drivers/media/platform/mediatek/vpu/
Dmtk_vpu.h1 /* SPDX-License-Identifier: GPL-2.0-only */
4 * Author: Andrew-CT Chen <andrew-ct.chen@mediatek.com>
25 * enum ipi_id - the id of inter-processor interrupt
32 * For other IPI below, AP should send the request
52 * @IPI_MAX: The maximum IPI number
67 * enum rst_id - reset id to register reset function for VPU watchdog timeout
69 * @VPU_RST_ENC: encoder reset id
70 * @VPU_RST_DEC: decoder reset id
71 * @VPU_RST_MDP: MDP (Media Data Path) reset id
72 * @VPU_RST_MAX: maximum reset id
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Dmtk_vpu.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * Author: Andrew-CT Chen <andrew-ct.chen@mediatek.com>
18 #include <linux/dma-mapping.h>
33 /* maximum program/data TCM (Tightly-Coupled Memory) size */
68 /* vpu inter-processor communication interrupt */
74 * enum vpu_fw_type - VPU firmware type
86 * struct vpu_mem - VPU extended program/data memory information
98 * struct vpu_regs - VPU TCM and configuration registers
100 * @tcm: the register for VPU Tightly-Coupled Memory
111 * struct vpu_wdt_handler - VPU watchdog reset handler
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/kernel/linux/linux-5.10/drivers/media/platform/mtk-vpu/
Dmtk_vpu.h1 /* SPDX-License-Identifier: GPL-2.0-only */
4 * Author: Andrew-CT Chen <andrew-ct.chen@mediatek.com>
23 * enum ipi_id - the id of inter-processor interrupt
30 * For other IPI below, AP should send the request
50 * @IPI_MAX: The maximum IPI number
65 * enum rst_id - reset id to register reset function for VPU watchdog timeout
67 * @VPU_RST_ENC: encoder reset id
68 * @VPU_RST_DEC: decoder reset id
69 * @VPU_RST_MDP: MDP (Media Data Path) reset id
70 * @VPU_RST_MAX: maximum reset id
[all …]
Dmtk_vpu.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * Author: Andrew-CT Chen <andrew-ct.chen@mediatek.com>
18 #include <linux/dma-mapping.h>
32 /* maximum program/data TCM (Tightly-Coupled Memory) size */
63 /* vpu inter-processor communication interrupt */
67 * enum vpu_fw_type - VPU firmware type
79 * struct vpu_mem - VPU extended program/data memory information
91 * struct vpu_regs - VPU TCM and configuration registers
93 * @tcm: the register for VPU Tightly-Coupled Memory
104 * struct vpu_wdt_handler - VPU watchdog reset handler
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/kernel/linux/linux-6.6/tools/testing/selftests/kvm/x86_64/
Dxapic_ipi_test.c1 // SPDX-License-Identifier: GPL-2.0
9 * Test that when the APIC is in xAPIC mode, a vCPU can send an IPI to wake
15 * has reentered HLT before sending the next IPI. While the vCPUs are running,
19 * Migration is a command line option. When used on non-numa machines will
20 * exit with error. Test is still usefull on non-numa for testing IPIs.
43 * Vector for IPI from sender vCPU to halting vCPU.
50 * Incremented in the IPI handler. Provides evidence to the sender that the IPI
69 * Record local version register as a cross-check that APIC access
96 data->halter_apic_id = GET_APIC_ID_FIELD(xapic_read_reg(APIC_ID)); in halter_guest_code()
97 data->halter_lvr = xapic_read_reg(APIC_LVR); in halter_guest_code()
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/kernel/linux/linux-5.10/drivers/media/platform/mtk-vcodec/
Dvdec_vpu_if.c1 // SPDX-License-Identifier: GPL-2.0
16 (unsigned long)msg->ap_inst_addr; in handle_init_ack_msg()
18 mtk_vcodec_debug(vpu, "+ ap_inst_addr = 0x%llx", msg->ap_inst_addr); in handle_init_ack_msg()
22 vpu->vsi = mtk_vcodec_fw_map_dm_addr(vpu->ctx->dev->fw_handler, in handle_init_ack_msg()
23 msg->vpu_inst_addr); in handle_init_ack_msg()
24 vpu->inst_addr = msg->vpu_inst_addr; in handle_init_ack_msg()
26 mtk_vcodec_debug(vpu, "- vpu_inst_addr = 0x%x", vpu->inst_addr); in handle_init_ack_msg()
30 * vpu_dec_ipi_handler - Handler for VPU ipi message.
32 * @data: ipi message
33 * @len : length of ipi message
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Dvdec_ipi_msg.h1 /* SPDX-License-Identifier: GPL-2.0 */
11 * enum vdec_ipi_msgid - message id between AP and VPU
12 * @AP_IPIMSG_XXX : AP to VPU cmd message id
13 * @VPU_IPIMSG_XXX_ACK : VPU ack AP cmd message id
30 * struct vdec_ap_ipi_cmd - generic AP to VPU ipi command format
40 * struct vdec_vpu_ipi_ack - generic VPU to AP ipi command format
52 * struct vdec_ap_ipi_init - for AP_IPIMSG_DEC_INIT
64 * struct vdec_ap_ipi_dec_start - for AP_IPIMSG_DEC_START
81 * struct vdec_vpu_ipi_init_ack - for VPU_IPIMSG_DEC_INIT_ACK
/kernel/linux/linux-5.10/arch/arc/kernel/
Dsmp.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
6 * -- Added support for Inter Processor Interrupts
9 * -- Initial Write (Borrowed heavily from ARM)
55 return -EINVAL; in arc_get_cpu_map()
58 return -EINVAL; in arc_get_cpu_map()
65 * "possible-cpus" property in DeviceTree pretend all [0..NR_CPUS-1] exist.
71 if (arc_get_cpu_map("possible-cpus", &cpumask)) { in arc_init_cpu_possible()
72 pr_warn("Failed to get possible-cpus from dtb, pretending all %u cpus exist\n", in arc_init_cpu_possible()
87 * - Initialise the CPU possible map early - this describes the CPUs
[all …]
/kernel/linux/linux-6.6/arch/arc/kernel/
Dsmp.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
6 * -- Added support for Inter Processor Interrupts
9 * -- Initial Write (Borrowed heavily from ARM)
54 return -EINVAL; in arc_get_cpu_map()
57 return -EINVAL; in arc_get_cpu_map()
64 * "possible-cpus" property in DeviceTree pretend all [0..NR_CPUS-1] exist.
70 if (arc_get_cpu_map("possible-cpus", &cpumask)) { in arc_init_cpu_possible()
71 pr_warn("Failed to get possible-cpus from dtb, pretending all %u cpus exist\n", in arc_init_cpu_possible()
86 * - Initialise the CPU possible map early - this describes the CPUs
[all …]
/kernel/linux/linux-6.6/arch/riscv/include/asm/
Dsmp.h1 /* SPDX-License-Identifier: GPL-2.0-only */
28 /* print IPI stats */
42 /* Enable IPI for CPU hotplug */
45 /* Disable IPI for CPU hotplug */
48 /* Check if IPI interrupt numbers are available */
51 /* Set the IPI interrupt numbers for arch (called by irqchip drivers) */
66 * Obtains the hart ID of the currently executing task. This relies on
69 #define raw_smp_processor_id() (current_thread_info()->cpu)
87 return -1; in riscv_hartid_to_cpuid()
/kernel/linux/linux-5.10/include/linux/remoteproc/
Dmtk_scp.h1 /* SPDX-License-Identifier: GPL-2.0 */
17 * enum ipi_id - the id of inter-processor interrupt
24 * For other IPI below, AP should send the request
26 * @SCP_IPI_MAX: The maximum IPI number
54 int scp_ipi_register(struct mtk_scp *scp, u32 id, scp_ipi_handler_t handler,
56 void scp_ipi_unregister(struct mtk_scp *scp, u32 id);
58 int scp_ipi_send(struct mtk_scp *scp, u32 id, void *buf, unsigned int len,
/kernel/linux/linux-6.6/include/linux/remoteproc/
Dmtk_scp.h1 /* SPDX-License-Identifier: GPL-2.0 */
17 * enum ipi_id - the id of inter-processor interrupt
24 * For other IPI below, AP should send the request
26 * @SCP_IPI_MAX: The maximum IPI number
56 int scp_ipi_register(struct mtk_scp *scp, u32 id, scp_ipi_handler_t handler,
58 void scp_ipi_unregister(struct mtk_scp *scp, u32 id);
60 int scp_ipi_send(struct mtk_scp *scp, u32 id, void *buf, unsigned int len,
/kernel/linux/linux-5.10/arch/riscv/include/asm/
Dsmp.h1 /* SPDX-License-Identifier: GPL-2.0-only */
30 /* print IPI stats */
36 /* Called from C code, this handles an IPI. */
48 /* Set custom IPI operations */
51 /* Clear IPI for current CPU */
58 * Obtains the hart ID of the currently executing task. This relies on
61 #define raw_smp_processor_id() (current_thread_info()->cpu)
81 return -1; in riscv_hartid_to_cpuid()
/kernel/linux/linux-6.6/drivers/media/platform/mediatek/vcodec/decoder/
Dvdec_vpu_if.c1 // SPDX-License-Identifier: GPL-2.0
15 (unsigned long)msg->ap_inst_addr; in handle_init_ack_msg()
17 mtk_vdec_debug(vpu->ctx, "+ ap_inst_addr = 0x%llx", msg->ap_inst_addr); in handle_init_ack_msg()
21 vpu->vsi = mtk_vcodec_fw_map_dm_addr(vpu->ctx->dev->fw_handler, in handle_init_ack_msg()
22 msg->vpu_inst_addr); in handle_init_ack_msg()
23 vpu->inst_addr = msg->vpu_inst_addr; in handle_init_ack_msg()
25 mtk_vdec_debug(vpu->ctx, "- vpu_inst_addr = 0x%x", vpu->inst_addr); in handle_init_ack_msg()
28 vpu->fw_abi_version = 0; in handle_init_ack_msg()
30 * Instance ID is only used if ABI version >= 2. Initialize it with in handle_init_ack_msg()
33 vpu->inst_id = 0xdeadbeef; in handle_init_ack_msg()
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