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/linux/tools/testing/selftests/kvm/arm64/
H A Dvgic_irq.c1 // SPDX-License-Identifier: GPL-2.0
3 * vgic_irq.c - Test userspace injection of IRQs
5 * This test validates the injection of IRQs from userspace using various
27 u32 nr_irqs; /* number of KVM supported IRQs. */
37 * 0x00 (highest priority) - 0xF8 (lowest priority), in steps of 8
45 #define LOWEST_PRIO (KVM_NUM_PRIOS - 1)
47 #define IRQ_DEFAULT_PRIO (LOWEST_PRIO - 1)
68 u32 num; member
75 u32 num, int level, bool expect_failure);
81 #define _KVM_INJECT_MULTI(cmd, intid, num, expect_failure) \ argument
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/linux/drivers/gpio/
H A Dgpio-reg.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * gpio-reg: single register individually fixed-direction GPIOs
19 #include <linux/gpio/gpio-reg.h>
28 const int *irqs; member
37 return r->direction & BIT(offset) ? GPIO_LINE_DIRECTION_IN : in gpio_reg_get_direction()
46 if (r->direction & BIT(offset)) in gpio_reg_direction_output()
47 return -ENOTSUPP; in gpio_reg_direction_output()
49 gc->set(gc, offset, value); in gpio_reg_direction_output()
57 return r->direction & BIT(offset) ? 0 : -ENOTSUPP; in gpio_reg_direction_input()
66 spin_lock_irqsave(&r->lock, flags); in gpio_reg_set()
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/linux/drivers/usb/gadget/udc/
H A Dgoku_udc.c1 // SPDX-License-Identifier: GPL-2.0
3 * Toshiba TC86C001 ("Goku-S") USB Device Controller driver
5 * Copyright (C) 2000-2002 Lineo
12 * This device has ep0 and three semi-configurable bulk/interrupt endpoints.
14 * - Endpoint numbering is fixed: ep{1,2,3}-bulk
15 * - Gadget drivers can choose ep maxpacket (8/16/32/64)
16 * - Gadget drivers can choose direction (IN, OUT)
17 * - DMA works with ep1 (OUT transfers) and ep2 (IN transfers).
21 // #define USB_TRACE /* packet-level success messages */
49 #define DRIVER_VERSION "30-Oct 2003"
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H A Dgr_udc.c1 // SPDX-License-Identifier: GPL-2.0+
14 * - Andreas Larsson <andreas@gaisler.com>
15 * - Marko Isomaki
36 #include <linux/dma-mapping.h>
64 /* ---------------------------------------------------------------------- */
93 int buflen = ep->is_in ? req->req.length : req->req.actual; in gr_dbgprint_request()
97 dev_dbg(ep->dev->dev, "%s: 0x%p, %d bytes data%s:\n", str, req, buflen, in gr_dbgprint_request()
100 rowlen, 4, req->req.buf, plen, false); in gr_dbgprint_request()
106 dev_vdbg(dev->dev, "REQ: %02x.%02x v%04x i%04x l%04x\n", in gr_dbgprint_devreq()
119 /* ---------------------------------------------------------------------- */
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H A Dnet2280.c1 // SPDX-License-Identifier: GPL-2.0+
27 * Copyright (C) 2003-2005 PLX Technology, Inc.
28 * Copyright (C) 2014 Ricardo Ribalda - Qtechnology/AS
39 #include <linux/dma-mapping.h>
87 EP_INFO("ep-a",
89 EP_INFO("ep-b",
91 EP_INFO("ep-c",
93 EP_INFO("ep-
3095 u32 num, scratch; handle_stat0_irqs() local
3363 u32 tmp, num, mask, scratch; handle_stat1_irqs() local
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/linux/drivers/base/
H A Dplatform.c1 // SPDX-License-Identifier: GPL-2.0
3 * platform.c - platform 'pseudo' bus for legacy devices
5 * Copyright (c) 2002-3 Patrick Mochel
6 * Copyright (c) 2002-3 Open Source Development Labs
8 * Please see Documentation/driver-api/driver-model/platform.rst for more
20 #include <linux/dma-mapping.h>
28 #include <linux/clk/clk-conf.h>
34 #include <linux/dma-map-ops.h>
48 * platform_get_resource - get a resource for a device
51 * @num: resource index
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/linux/drivers/irqchip/
H A Dirq-imgpdc.c1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright 2010-2013 Imagination Technologies Ltd.
66 * struct pdc_intc_priv - private pdc interrupt data.
71 * @domain: IRQ domain for PDC peripheral and syswake IRQs.
92 iowrite32(data, priv->pdc_base + reg_offs); in pdc_write()
98 return ioread32(priv->pdc_base + reg_offs); in pdc_read()
112 return hw - SYS0_HWIRQ; in hwirq_to_syswake()
122 return (struct pdc_intc_priv *)data->domain->host_data; in irqd_to_priv()
135 raw_spin_lock(&priv->lock); in perip_irq_mask()
136 priv->irq_route &= ~data->mask; in perip_irq_mask()
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H A Dirq-mbigen.c1 // SPDX-License-Identifier: GPL-2.0-only
22 /* 64 irqs (Pin0-pin63) are reserved for each mbigen chip */
57 * struct mbigen_device - holds the information of mbigen device.
85 hwirq -= RESERVED_IRQ_PER_MBIGEN_CHIP; in get_mbigen_vec_reg()
97 hwirq -= RESERVED_IRQ_PER_MBIGEN_CHIP; in get_mbigen_type_reg()
118 void __iomem *base = data->chip_data; in mbigen_eoi_irq()
121 get_mbigen_clear_reg(data->hwirq, &mask, &addr); in mbigen_eoi_irq()
130 void __iomem *base = data->chip_data; in mbigen_set_type()
134 return -EINVAL; in mbigen_set_type()
136 get_mbigen_type_reg(data->hwirq, &mask, &addr); in mbigen_set_type()
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/linux/Documentation/devicetree/bindings/interrupt-controller/
H A Dimg,pdc-intc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/interrupt-controller/img,pdc-intc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - James Hogan <jhogan@kernel.org>
19 const: img,pdc-intc
24 interrupt-controller: true
26 '#interrupt-cells':
28 <1st-cell>: The interrupt-number that identifies the interrupt source.
29 0-7: Peripheral interrupts
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/linux/drivers/s390/cio/
H A Dairq.c1 // SPDX-License-Identifier: GPL-2.0
36 * register_adapter_interrupt() - register adapter interrupt handler
39 * Returns 0 on success, or -EINVAL.
45 if (!airq->handler || airq->isc > MAX_ISC) in register_adapter_interrupt()
46 return -EINVAL; in register_adapter_interrupt()
47 if (!airq->lsi_ptr) { in register_adapter_interrupt()
48 airq->lsi_ptr = cio_dma_zalloc(1); in register_adapter_interrupt()
49 if (!airq->lsi_ptr) in register_adapter_interrupt()
50 return -ENOMEM; in register_adapter_interrupt()
51 airq->flags |= AIRQ_PTR_ALLOCATED; in register_adapter_interrupt()
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/linux/drivers/vdpa/solidrun/
H A Dsnet_main.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2022-2023 SolidRun
7 * Author: Alvaro Karsz <alvaro.karsz@solid-run.com>
42 if (likely(snet->cb.callback)) in snet_cfg_irq_hndlr()
43 return snet->cb.callback(snet->cb.private); in snet_cfg_irq_hndlr()
52 if (likely(vq->cb.callback)) in snet_vq_irq_hndlr()
53 return vq->cb.callback(vq->cb.private); in snet_vq_irq_hndlr()
60 struct psnet *psnet = snet->psnet; in snet_free_irqs()
64 /* Which Device allcoated the IRQs? */ in snet_free_irqs()
66 pdev = snet->pdev->physfn; in snet_free_irqs()
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H A Dsnet_vdpa.h1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * Copyright (C) 2022-2023 SolidRun
7 * Author: Alvaro Karsz <alvaro.karsz@solid-run.com>
18 #define SNET_ERR(pdev, fmt, ...) dev_err(&(pdev)->dev, "%s"fmt, "snet_vdpa: ", ##__VA_ARGS__)
19 #define SNET_WARN(pdev, fmt, ...) dev_warn(&(pdev)->dev, "%s"fmt, "snet_vdpa: ", ##__VA_ARGS__)
20 #define SNET_INFO(pdev, fmt, ...) dev_info(&(pdev)->dev, "%s"fmt, "snet_vdpa: ", ##__VA_ARGS__)
21 #define SNET_DBG(pdev, fmt, ...) dev_dbg(&(pdev)->dev, "%s"fmt, "snet_vdpa: ", ##__VA_ARGS__)
22 #define SNET_HAS_FEATURE(s, f) ((s)->negotiated_features & BIT_ULL(f))
24 #define SNET_CFG_VER(snet, ver) ((snet)->psnet->negotiated_cfg_ver >= (ver))
39 u32 num; member
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/linux/drivers/bcma/
H A Ddriver_gpio.c6 * Copyright 2012, Hauke Mehrtens <hauke@hauke-m.de>
103 .name = "BCMA-GPIO",
113 struct gpio_chip *gc = &cc->gpio; in bcma_gpio_irq_handler()
117 unsigned long irqs = (val ^ pol) & mask; in bcma_gpio_irq_handler() local
120 if (!irqs) in bcma_gpio_irq_handler()
123 for_each_set_bit(gpio, &irqs, gc->ngpio) in bcma_gpio_irq_handler()
124 generic_handle_domain_irq_safe(gc->irq.domain, gpio); in bcma_gpio_irq_handler()
125 bcma_chipco_gpio_polarity(cc, irqs, val & irqs); in bcma_gpio_irq_handler()
132 struct gpio_chip *chip = &cc->gpio; in bcma_gpio_irq_init()
133 struct gpio_irq_chip *girq = &chip->irq; in bcma_gpio_irq_init()
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/linux/drivers/i2c/busses/
H A Di2c-riic.c1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2013 Wolfram Sang <wsa@sang-engineering.com>
86 #define RIIC_INIT_MSG -1
106 const struct riic_irq_desc *irqs; member
134 writeb(val, riic->base + riic->info->regs[offset]); in riic_writeb()
139 return readb(riic->base + riic->info->regs[offset]); in riic_readb()
156 ret = readb_poll_timeout(riic->base + riic->info->regs[RIIC_ICCR2], val, in riic_bus_barrier()
157 !(val & ICCR2_BBSY), 10, riic->adapter.timeout); in riic_bus_barrier()
159 return i2c_recover_bus(&riic->adapter); in riic_bus_barrier()
163 return i2c_recover_bus(&riic->adapter); in riic_bus_barrier()
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/linux/include/linux/gpio/
H A Dgpio-reg.h1 /* SPDX-License-Identifier: GPL-2.0 */
13 int base, int num, const char *label, u32 direction, u32 def_out,
14 const char *const *names, struct irq_domain *irqdom, const int *irqs);
/linux/drivers/thermal/qcom/
H A Dtsens.c1 // SPDX-License-Identifier: GPL-2.0
11 #include <linux/nvmem-consumer.h>
26 * struct tsens_irq_data - IRQ status and temperature violations
29 * @up_irq_mask: mask register for upper threshold irqs
30 * @up_irq_clear: clear register for uppper threshold irqs
33 * @low_irq_mask: mask register for lower threshold irqs
34 * @low_irq_clear: clear register for lower threshold irqs
37 * @crit_irq_mask: mask register for critical threshold irqs
38 * @crit_irq_clear: clear register for critical threshold irqs
81 if (priv->num_sensors > MAX_SENSORS) in tsens_read_calibration()
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/linux/arch/arm/mach-sa1100/
H A Dneponset.c1 // SPDX-License-Identifier: GPL-2.0
3 * linux/arch/arm/mach-sa1100/neponset.c
7 #include <linux/gpio/gpio-reg.h>
20 #include <asm/mach-types.h>
28 #include <mach/irqs.h>
85 .dev_id = "sa11x0-uart.1",
87 GPIO_LOOKUP("neponset-mdm-ctl0", 2, "rts", GPIO_ACTIVE_LOW),
88 GPIO_LOOKUP("neponset-mdm-ctl0", 3, "dtr", GPIO_ACTIVE_LOW),
89 GPIO_LOOKUP("neponset-mdm-ctl1", 3, "cts", GPIO_ACTIVE_LOW),
90 GPIO_LOOKUP("neponset-mdm-ctl1", 4, "dsr", GPIO_ACTIVE_LOW),
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/linux/arch/arm64/boot/dts/freescale/
H A Dimx8-ss-img.dtsi1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2019-2021 NXP
6 img_ipg_clk: clock-img-ipg {
7 compatible = "fixed-clock";
8 #clock-cells = <0>;
9 clock-frequency = <200000000>;
10 clock-output-names = "img_ipg_clk";
13 img_pxl_clk: clock-img-pxl {
14 compatible = "fixed-clock";
15 #clock-cells = <0>;
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H A Dimx8qm-ss-lvds.dtsi1 // SPDX-License-Identifier: GPL-2.0+
9 clock-indices = <IMX_LPCG_CLK_4>;
15 clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_4>;
21 clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_4>;
35 interrupt-parent = <&irqsteer_lvds0>;
37 irqsteer_lvds0: interrupt-controller@56240000 {
38 compatible = "fsl,imx8qm-irqsteer", "fsl,imx-irqsteer";
41 interrupt-controller;
42 interrupt-parent = <&gic>;
43 #interrupt-cells = <1>;
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/linux/drivers/vdpa/octeon_ep/
H A Doctep_vdpa_main.c1 // SPDX-License-Identifier: GPL-2.0-only
5 #include <linux/io-64-nonatomic-lo-hi.h>
44 return oct_vdpa->oct_hw; in vdpa_to_octep_hw()
54 * round-robin fashion. in octep_vdpa_intr_handler()
57 * 0 -> 0, 8, 16, 24, 32, 40, 48, 56; in octep_vdpa_intr_handler()
58 * 1 -> 1, 9, 17, 25, 33, 41, 49, 57; in octep_vdpa_intr_handler()
60 * 7 -> 7, 15, 23, 31, 39, 47, 55, 63; in octep_vdpa_intr_handler()
63 for (i = irq - oct_hw->irqs[0]; i < oct_hw->nr_vring; i += oct_hw->nb_irqs) { in octep_vdpa_intr_handler()
64 if (ioread8(oct_hw->vqs[i].cb_notify_addr)) { in octep_vdpa_intr_handler()
66 iowrite8(0, oct_hw->vqs[i].cb_notify_addr); in octep_vdpa_intr_handler()
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/linux/drivers/pcmcia/
H A Dpcmcia_resource.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * PCMCIA 16-bit resource management functions
10 * Copyright (C) 2004-2010 Dominik Brodowski
39 if (s->resource_ops->validate_mem) in pcmcia_validate_mem()
40 return s->resource_ops->validate_mem(s); in pcmcia_validate_mem()
45 struct resource *pcmcia_find_mem_region(u_long base, u_long num, u_long align, in pcmcia_find_mem_region() argument
48 if (s->resource_ops->find_mem) in pcmcia_find_mem_region()
49 return s->resource_ops->find_mem(base, num, align, low, s); in pcmcia_find_mem_region()
55 * release_io_space() - release IO ports allocated with alloc_io_space()
62 resource_size_t num = resource_size(res); in release_io_space() local
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/linux/arch/sparc/kernel/
H A Dof_device_64.c1 // SPDX-License-Identifier: GPL-2.0
4 #include <linux/dma-mapping.h>
20 unsigned long ret = res->start + offset; in of_ioremap()
23 if (res->flags & IORESOURCE_MEM) in of_ioremap()
36 if (res->flags & IORESOURCE_MEM) in of_iounmap()
58 * parent as-is, not with the PCI translate in of_bus_pci_match()
113 /* Special exception, we can map a 64-bit address into in of_bus_pci_map()
114 * a 32-bit range. in of_bus_pci_map()
120 return -EINVAL; in of_bus_pci_map()
124 na - 1, ns)) in of_bus_pci_map()
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/linux/arch/powerpc/sysdev/
H A Dmpic_timer.c1 // SPDX-License-Identifier: GPL-2.0-or-later
43 #define TIMER_OFFSET(num) (1 << (TIMERS_PER_GROUP - 1 - num)) argument
87 *time = (u64)div_u64(ticks, priv->timerfreq); in convert_ticks_to_time()
96 max_value = div_u64(ULLONG_MAX, priv->timerfreq); in convert_time_to_ticks()
99 return -EINVAL; in convert_time_to_ticks()
101 *ticks = (u64)time * (u64)priv->timerfreq; in convert_time_to_ticks()
113 unsigned int num; in detect_idle_cascade_timer() local
119 spin_lock_irqsave(&priv->lock, flags); in detect_idle_cascade_timer()
120 map = casc_priv->cascade_map & priv->idle; in detect_idle_cascade_timer()
121 if (map == casc_priv->cascade_map) { in detect_idle_cascade_timer()
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/linux/arch/arm/boot/dts/nxp/imx/
H A Dimx7d.dtsi1 // SPDX-License-Identifier: GPL-2.0+ OR MIT
7 #include <dt-bindings/reset/imx7-reset.h>
18 clock-frequency = <996000000>;
19 operating-points-v2 = <&cpu0_opp_table>;
20 #cooling-cells = <2>;
21 nvmem-cells = <&fuse_grade>;
22 nvmem-cell-names = "speed_grade";
26 compatible = "arm,cortex-a7";
29 clock-frequency = <996000000>;
30 operating-points-v2 = <&cpu0_opp_table>;
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/linux/drivers/net/ethernet/mellanox/mlx5/core/
H A Dpci_irq.c1 // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
21 /* min num of vectors for SFs to be enabled */
52 return mlx5_core_ec_vf_vport_base(dev) + func - 1; in mlx5_core_func_to_vport()
56 * mlx5_get_default_msix_vec_count - Get the default number of MSI-X vectors
72 /* Limit maximum number of MSI-X vectors so the default configuration in mlx5_get_default_msix_vec_count()
74 * the number of vectors in a VF without having to first size-down other in mlx5_get_default_msix_vec_count()
81 * mlx5_set_msix_vec_count - Set dynamically allocated MSI-X on the VF
84 * @msix_vec_count: Number of MSI-X vectors to set
102 return -EOPNOTSUPP; in mlx5_set_msix_vec_count()
108 return -EINVAL; in mlx5_set_msix_vec_count()
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