| /linux/drivers/block/drbd/ |
| H A D | drbd_actlog.c | 57 * sectors-written since device creation, and other data generation tag
73 * allows to cover device sizes of up to 2**54 Byte (16 PiB) */
82 void *drbd_md_get_buffer(struct drbd_device *device, const char *intent) in drbd_md_get_buffer() argument
86 wait_event(device->misc_wait, in drbd_md_get_buffer()
87 (r = atomic_cmpxchg(&device->md_io.in_use, 0, 1)) == 0 || in drbd_md_get_buffer()
88 device->state.disk <= D_FAILED); in drbd_md_get_buffer()
93 device->md_io.current_use = intent; in drbd_md_get_buffer()
94 device->md_io.start_jif = jiffies; in drbd_md_get_buffer()
95 device->md_io.submit_jif = device->md_io.start_jif - 1; in drbd_md_get_buffer()
96 return page_address(device->md_io.page); in drbd_md_get_buffer()
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| H A D | drbd_worker.c | 52 struct drbd_device *device; in drbd_md_endio() local
54 device = bio->bi_private; in drbd_md_endio()
55 device->md_io.error = blk_status_to_errno(bio->bi_status); in drbd_md_endio()
58 if (device->ldev) in drbd_md_endio()
59 put_ldev(device); in drbd_md_endio()
63 * to timeout on the lower level device, and eventually detach from it. in drbd_md_endio()
71 * ASSERT(atomic_read(&device->md_io_in_use) == 1) there. in drbd_md_endio()
73 drbd_md_put_buffer(device); in drbd_md_endio()
74 device->md_io.done = 1; in drbd_md_endio()
75 wake_up(&device->misc_wait); in drbd_md_endio()
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| /linux/include/linux/device/ |
| H A D | bus.h | 25 * struct bus_type - The bus type of the device
31 * @drv_groups: Default attributes of the device drivers on the bus.
32 * @match: Called, perhaps multiple times, whenever a new device or driver
34 * given device can be handled by the given driver and zero
36 * the driver supports the device is not possible. In case of
37 * -EPROBE_DEFER it will queue the device for deferred probing.
38 * @uevent: Called when a device is added, removed, or a few other things
40 * @probe: Called when a new device or driver add to this bus, and callback
41 * the specific driver's probe to initial the matched device.
42 * @sync_state: Called to sync device state to software state after all the
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| /linux/drivers/s390/char/ |
| H A D | tape_core.c | 3 * basic function of the tape device driver
95 tape_medium_state_show(struct device *dev, struct device_attribute *attr, char *buf) in tape_medium_state_show()
107 tape_first_minor_show(struct device *dev, struct device_attribute *attr, char *buf) in tape_first_minor_show()
119 tape_state_show(struct device *dev, struct device_attribute *attr, char *buf) in tape_state_show()
132 tape_operation_show(struct device *dev, struct device_attribute *attr, char *buf) in tape_operation_show()
159 tape_blocksize_show(struct device *dev, struct device_attribute *attr, char *buf) in tape_blocksize_show()
188 tape_state_set(struct tape_device *device, enum tape_state newstate) in tape_state_set() argument
192 if (device->tape_state == TS_NOT_OPER) { in tape_state_set()
196 DBF_EVENT(4, "ts. dev: %x\n", device->first_minor); in tape_state_set()
198 if (device->tape_state < TS_SIZE && device->tape_state >=0 ) in tape_state_set()
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| H A D | tape_char.c | 3 * character device frontend for tape device driver
63 tapechar_setup_device(struct tape_device * device) in tapechar_setup_device() argument
67 sprintf(device_name, "ntibm%i", device->first_minor / 2); in tapechar_setup_device()
68 device->nt = register_tape_dev( in tapechar_setup_device()
69 &device->cdev->dev, in tapechar_setup_device()
70 MKDEV(tapechar_major, device->first_minor), in tapechar_setup_device()
76 device->rt = register_tape_dev( in tapechar_setup_device()
77 &device->cdev->dev, in tapechar_setup_device()
78 MKDEV(tapechar_major, device->first_minor + 1), in tapechar_setup_device()
88 tapechar_cleanup_device(struct tape_device *device) in tapechar_cleanup_device() argument
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| /linux/drivers/base/power/ |
| H A D | power.h | 4 static inline void device_pm_init_common(struct device *dev) in device_pm_init_common()
15 static inline void pm_runtime_early_init(struct device *dev) in pm_runtime_early_init()
21 extern void pm_runtime_init(struct device *dev);
22 extern void pm_runtime_reinit(struct device *dev);
23 extern void pm_runtime_remove(struct device *dev);
24 extern u64 pm_runtime_active_time(struct device *dev);
35 struct device *dev;
43 extern void dev_pm_enable_wake_irq_check(struct device *dev,
45 extern void dev_pm_disable_wake_irq_check(struct device *dev, bool cond_disable);
46 extern void dev_pm_enable_wake_irq_complete(struct device *dev);
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| /linux/drivers/hid/ |
| H A D | hid-roccat.c | 12 * Module roccat is a char device used to report special events of roccat
15 * not stored in device. The information in these events depends on hid device
45 struct device *dev;
62 struct roccat_device *device; member
77 struct roccat_device *device = reader->device; in roccat_read() local
82 mutex_lock(&device->cbuf_lock); in roccat_read()
85 if (reader->cbuf_start == device->cbuf_end) { in roccat_read()
86 add_wait_queue(&device->wait, &wait); in roccat_read()
90 while (reader->cbuf_start == device->cbuf_end) { in roccat_read()
99 if (!device->exist) { in roccat_read()
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| /linux/drivers/s390/block/ |
| H A D | dasd_devmap.c | 10 * Device mapping and dasd= parameter parsing functions. All devmap
36 * between device number and device index. To find a dasd_devmap_t
37 * that corresponds to a device number of a device index each
39 * the device number and one to search by the device index. As
40 * soon as big minor numbers are available the device index list
41 * can be removed since the device number will then be identical
42 * to the device index.
49 struct dasd_device *device; member
130 * Read a device busid/devno from a string.
140 pr_err("The IPL device is not a CCW device\n"); in dasd_busid()
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| H A D | dasd_alias.c | 18 * - A device is connected to an lcu as long as the device exists.
20 * device is checked by the eckd discipline and
22 * before the device is deleted.
24 * functions mark the point when a device is 'ready for service'.
28 * - dasd_alias_get_start_dev will find an alias device that can be used
29 * instead of the base device and does some (very simple) load balancing.
174 * so this function must be called first for a new device.
179 int dasd_alias_make_device_known_to_lcu(struct dasd_device *device) in dasd_alias_make_device_known_to_lcu() argument
181 struct dasd_eckd_private *private = device->private; in dasd_alias_make_device_known_to_lcu()
187 device->discipline->get_uid(device, &uid); in dasd_alias_make_device_known_to_lcu()
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| /linux/include/linux/ |
| H A D | pm_runtime.h | 3 * pm_runtime.h - Device run-time power management helper functions.
11 #include <linux/device.h>
67 extern int pm_generic_runtime_suspend(struct device *dev);
68 extern int pm_generic_runtime_resume(struct device *dev);
69 extern int pm_runtime_force_suspend(struct device *dev);
71 extern int __pm_runtime_idle(struct device *dev, int rpmflags);
72 extern int __pm_runtime_suspend(struct device *dev, int rpmflags);
73 extern int __pm_runtime_resume(struct device *dev, int rpmflags);
74 extern int pm_runtime_get_if_active(struct device *dev);
75 extern int pm_runtime_get_if_in_use(struct device *dev);
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| H A D | pm_opp.h | 23 struct device;
36 * @u_amp: Maximum current drawn by the device in microamperes
37 * @u_watt: Power used by the device in microwatts
50 typedef int (*config_regulators_t)(struct device *dev,
54 typedef int (*config_clks_t)(struct device *dev, struct opp_table *opp_table,
58 * struct dev_pm_opp_config - Device OPP configuration values
66 * @required_dev: The required OPP device.
69 * This structure contains platform specific OPP configurations for the device.
80 struct device *required_dev;
103 struct opp_table *dev_pm_opp_get_opp_table(struct device *dev);
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| H A D | vdpa.h | 6 #include <linux/device.h>
49 * @last_avail_counter: last driver ring wrap counter observed by device
50 * @last_avail_idx: device available index
51 * @last_used_counter: device ring wrap counter
71 * struct vdpa_device - representation of a vDPA device
72 * @dev: underlying device
73 * @dma_dev: the actual device that is performing DMA
77 * @config: the configuration ops for this device.
79 * @index: device index
83 * @use_va: indicate whether virtual address must be used by this device
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| H A D | dma-mapping.h | 5 #include <linux/device.h>
34 * transferred to 'device' domain.
63 * be given to a device to use as a DMA source or target. It is specific to a
64 * given device and there may be a translation between the CPU physical address
92 void debug_dma_mapping_error(struct device *dev, dma_addr_t dma_addr);
93 void debug_dma_map_single(struct device *dev, const void *addr,
96 static inline void debug_dma_mapping_error(struct device *dev, in debug_dma_mapping_error()
100 static inline void debug_dma_map_single(struct device *dev, const void *addr, in debug_dma_map_single()
107 static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) in dma_mapping_error()
116 dma_addr_t dma_map_page_attrs(struct device *dev, struct page *page,
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| /linux/drivers/gpu/drm/nouveau/nvkm/engine/gr/ |
| H A D | nv40.c | 36 return nvkm_rd32(gr->engine.subdev.device, 0x1540); in nv40_gr_units()
47 int ret = nvkm_gpuobj_new(object->engine->subdev.device, 20, align, in nv40_gr_object_bind()
79 int ret = nvkm_gpuobj_new(gr->base.engine.subdev.device, gr->size, in nv40_gr_chan_bind()
84 nv40_grctx_fill(gr->base.engine.subdev.device, *pgpuobj); in nv40_gr_chan_bind()
97 struct nvkm_device *device = subdev->device; in nv40_gr_chan_fini() local
101 nvkm_mask(device, 0x400720, 0x00000001, 0x00000000); in nv40_gr_chan_fini()
103 if (nvkm_rd32(device, 0x40032c) == inst) { in nv40_gr_chan_fini()
105 nvkm_wr32(device, 0x400720, 0x00000000); in nv40_gr_chan_fini()
106 nvkm_wr32(device, 0x400784, inst); in nv40_gr_chan_fini()
107 nvkm_mask(device, 0x400310, 0x00000020, 0x00000020); in nv40_gr_chan_fini()
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| H A D | nv20.c | 34 struct nvkm_device *device = gr->base.engine.subdev.device; in nv20_gr_chan_fini() local
38 nvkm_mask(device, 0x400720, 0x00000001, 0x00000000); in nv20_gr_chan_fini()
39 if (nvkm_rd32(device, 0x400144) & 0x00010000) in nv20_gr_chan_fini()
40 chid = (nvkm_rd32(device, 0x400148) & 0x1f000000) >> 24; in nv20_gr_chan_fini()
42 nvkm_wr32(device, 0x400784, inst >> 4); in nv20_gr_chan_fini()
43 nvkm_wr32(device, 0x400788, 0x00000002); in nv20_gr_chan_fini()
44 nvkm_msec(device, 2000, in nv20_gr_chan_fini()
45 if (!nvkm_rd32(device, 0x400700)) in nv20_gr_chan_fini()
48 nvkm_wr32(device, 0x400144, 0x10000000); in nv20_gr_chan_fini()
49 nvkm_mask(device, 0x400148, 0xff000000, 0x1f000000); in nv20_gr_chan_fini()
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| /linux/Documentation/ABI/testing/ |
| H A D | sysfs-driver-habanalabs | 1 What: /sys/class/accel/accel<n>/device/armcp_kernel_ver
5 Description: Version of the Linux kernel running on the device's CPU.
9 What: /sys/class/accel/accel<n>/device/armcp_ver
13 Description: Version of the application running on the device's CPU
17 What: /sys/class/accel/accel<n>/device/clk_max_freq_mhz
22 The device clock might be set to lower value than the maximum.
24 frequency value of the device clock. This property is valid
27 What: /sys/class/accel/accel<n>/device/clk_cur_freq_mhz
31 Description: Displays the current frequency, in MHz, of the device clock.
34 What: /sys/class/accel/accel<n>/device/cpld_ver
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| /linux/drivers/vfio/ |
| H A D | vfio_main.c | 15 #include <linux/device.h>
61 …U mode. This mode provides no device isolation, no DMA translation, no host kernel protection, ca…
66 int vfio_assign_device_set(struct vfio_device *device, void *set_id) in vfio_assign_device_set() argument
109 device->dev_set = dev_set; in vfio_assign_device_set()
110 list_add_tail(&device->dev_set_list, &dev_set->device_list); in vfio_assign_device_set()
116 static void vfio_release_device_set(struct vfio_device *device) in vfio_release_device_set() argument
118 struct vfio_device_set *dev_set = device->dev_set; in vfio_release_device_set()
124 list_del(&device->dev_set_list); in vfio_release_device_set()
152 struct device *dev) in vfio_find_device_in_devset()
166 * Device objects - create, release, get, put, search
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| H A D | device_cdev.c | 12 void vfio_init_device_cdev(struct vfio_device *device) in vfio_init_device_cdev() argument
14 device->device.devt = MKDEV(MAJOR(device_devt), device->index); in vfio_init_device_cdev()
15 cdev_init(&device->cdev, &vfio_device_fops); in vfio_init_device_cdev()
16 device->cdev.owner = THIS_MODULE; in vfio_init_device_cdev()
20 * device access via the fd opened by this function is blocked until
25 struct vfio_device *device = container_of(inode->i_cdev, in vfio_device_fops_cdev_open() local
31 if (!vfio_device_try_get_registration(device)) in vfio_device_fops_cdev_open()
34 df = vfio_allocate_device_file(device); in vfio_device_fops_cdev_open()
43 * Use the pseudo fs inode on the device to link all mmaps in vfio_device_fops_cdev_open()
45 * associated to this device using unmap_mapping_range(). in vfio_device_fops_cdev_open()
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| H A D | vfio.h | 10 #include <linux/device.h>
20 struct vfio_device *device; member
30 void vfio_device_put_registration(struct vfio_device *device);
31 bool vfio_device_try_get_registration(struct vfio_device *device);
35 vfio_allocate_device_file(struct vfio_device *device);
47 * Physical device with IOMMU backing.
52 * Virtual device without IOMMU backing. The VFIO core fakes up an
60 * Physical device without IOMMU backing. The VFIO core fakes up an
62 * userspace ABI. Users can trigger unmediated DMA by the device,
71 struct device dev;
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| /linux/drivers/gpu/drm/nouveau/nvkm/engine/disp/ |
| H A D | gv100.c | 40 struct nvkm_device *device = ior->disp->engine.subdev.device; in gv100_sor_hda_device_entry() local
43 nvkm_mask(device, 0x616528 + hoff, 0x00000070, head << 4); in gv100_sor_hda_device_entry()
56 struct nvkm_device *device = sor->disp->engine.subdev.device; in gv100_sor_dp_watermark() local
59 nvkm_mask(device, 0x616550 + hoff, 0x0c00003f, 0x08000000 | watermark); in gv100_sor_dp_watermark()
65 struct nvkm_device *device = sor->disp->engine.subdev.device; in gv100_sor_dp_audio_sym() local
68 nvkm_mask(device, 0x616568 + hoff, 0x0000ffff, h); in gv100_sor_dp_audio_sym()
69 nvkm_mask(device, 0x61656c + hoff, 0x00ffffff, v); in gv100_sor_dp_audio_sym()
75 struct nvkm_device *device = sor->disp->engine.subdev.device; in gv100_sor_dp_audio() local
80 nvkm_mask(device, 0x616560 + hoff, mask, data); in gv100_sor_dp_audio()
81 nvkm_msec(device, 2000, in gv100_sor_dp_audio()
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| H A D | vga.c | 27 nvkm_rdport(struct nvkm_device *device, int head, u16 port) in nvkm_rdport() argument
29 if (device->card_type >= NV_50) in nvkm_rdport()
30 return nvkm_rd08(device, 0x601000 + port); in nvkm_rdport()
35 return nvkm_rd08(device, 0x601000 + (head * 0x2000) + port); in nvkm_rdport()
40 if (device->card_type < NV_40) in nvkm_rdport()
42 return nvkm_rd08(device, 0x0c0000 + (head * 0x2000) + port); in nvkm_rdport()
49 nvkm_wrport(struct nvkm_device *device, int head, u16 port, u8 data) in nvkm_wrport() argument
51 if (device->card_type >= NV_50) in nvkm_wrport()
52 nvkm_wr08(device, 0x601000 + port, data); in nvkm_wrport()
57 nvkm_wr08(device, 0x601000 + (head * 0x2000) + port, data); in nvkm_wrport()
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| /linux/drivers/acpi/ |
| H A D | device_pm.c | 3 * drivers/acpi/device_pm.c - ACPI device power management routines.
27 * acpi_power_state_string - String representation of ACPI device power state.
28 * @state: ACPI device power state to return the string representation of.
48 static int acpi_dev_pm_explicit_get(struct acpi_device *device, int *state) in acpi_dev_pm_explicit_get() argument
53 status = acpi_evaluate_integer(device->handle, "_PSC", NULL, &psc); in acpi_dev_pm_explicit_get()
62 * acpi_device_get_power - Get power state of an ACPI device.
63 * @device: Device to get the power state of.
64 * @state: Place to store the power state of the device.
66 * This function does not update the device's power.state field, but it may
68 * unknown and the device's power state turns out to be D0).
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| /linux/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/ |
| H A D | gt215.c | 34 struct nvkm_device *device = subdev->device; in gt215_pmu_send() local
39 addr = nvkm_rd32(device, 0x10a4a0); in gt215_pmu_send()
40 if (nvkm_msec(device, 2000, in gt215_pmu_send()
41 u32 tmp = nvkm_rd32(device, 0x10a4b0); in gt215_pmu_send()
60 nvkm_wr32(device, 0x10a580, 0x00000001); in gt215_pmu_send()
61 } while (nvkm_rd32(device, 0x10a580) != 0x00000001); in gt215_pmu_send()
64 nvkm_wr32(device, 0x10a1c0, 0x01000000 | (((addr & 0x07) << 4) + in gt215_pmu_send()
66 nvkm_wr32(device, 0x10a1c4, process); in gt215_pmu_send()
67 nvkm_wr32(device, 0x10a1c4, message); in gt215_pmu_send()
68 nvkm_wr32(device, 0x10a1c4, data0); in gt215_pmu_send()
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| /linux/drivers/gpu/drm/nouveau/nvkm/engine/fifo/ |
| H A D | nv04.c | 44 struct nvkm_device *device = fifo->engine.subdev.device; in nv04_chan_stop() local
45 struct nvkm_memory *fctx = device->imem->ramfc; in nv04_chan_stop()
53 nvkm_wr32(device, NV03_PFIFO_CACHES, 0); in nv04_chan_stop()
56 chid = nvkm_rd32(device, NV03_PFIFO_CACHE1_PUSH1) & fifo->chid->mask; in nv04_chan_stop()
58 nvkm_mask(device, NV04_PFIFO_CACHE1_DMA_PUSH, 0x00000001, 0); in nv04_chan_stop()
59 nvkm_wr32(device, NV03_PFIFO_CACHE1_PUSH0, 0); in nv04_chan_stop()
60 nvkm_mask(device, NV04_PFIFO_CACHE1_PULL0, 0x00000001, 0); in nv04_chan_stop()
67 u32 rv = (nvkm_rd32(device, c->regp) & rm) >> c->regs; in nv04_chan_stop()
75 nvkm_wr32(device, c->regp, 0x00000000); in nv04_chan_stop()
78 nvkm_wr32(device, NV03_PFIFO_CACHE1_GET, 0); in nv04_chan_stop()
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| /linux/drivers/infiniband/core/ |
| H A D | device.c | 81 * The devices_rwsem also protects the device name list, any change or
82 * assignment of device name must also hold the write side to guarantee unique
89 * status need to call ib_device_try_get() on the device to ensure it is
130 "Share device among net namespaces; default=1 (shared)");
132 * rdma_dev_access_netns() - Return whether an rdma device can be accessed
134 * @dev: Pointer to rdma device which needs to be checked
137 * When the rdma device is in shared mode, it ignores the net namespace.
138 * When the rdma device is exclusive to a net namespace, rdma device net
149 * rdma_dev_has_raw_cap() - Returns whether a specified rdma device has
152 * @dev: Pointer to rdma device whose capability to be checked
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