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/Linux-v6.1/fs/
Dchar_dev.c14 #include <linux/major.h>
36 unsigned int major; member
44 static inline int major_to_index(unsigned major) in major_to_index() argument
46 return major % CHRDEV_MAJOR_HASH_SIZE; in major_to_index()
57 if (cd->major == offset) in chrdev_show()
58 seq_printf(f, "%3d %s\n", cd->major, cd->name); in chrdev_show()
78 if (cd->major == i) in find_dynamic_major()
89 * Register a single major with a specified minor range.
91 * If major == 0 this function will dynamically allocate an unused major.
92 * If major > 0 this function will attempt to reserve the range of minors
[all …]
/Linux-v6.1/arch/sparc/kernel/
Dhvapi.c16 * PRE_API flag set are major 1 minor 0.
20 unsigned long major; member
81 p->major = p->minor = 0; in __put_ref()
86 * API group and desired major+minor.
93 * API group/major/minor with the hypervisor, and errors returned
96 int sun4v_hvapi_register(unsigned long group, unsigned long major, in sun4v_hvapi_register() argument
109 if (p->major == major) { in sun4v_hvapi_register()
117 hv_ret = sun4v_set_version(group, major, *minor, in sun4v_hvapi_register()
122 p->major = major; in sun4v_hvapi_register()
128 if (major == 1) { in sun4v_hvapi_register()
[all …]
Dviohs.c48 static int send_version(struct vio_driver_state *vio, u16 major, u16 minor) in send_version() argument
56 pkt.major = major; in send_version()
61 major, minor, vio->dev_class); in send_version()
75 vio->ver_table[0].major, in start_handshake()
240 u16 major) in find_by_major() argument
247 if (v->major <= major) { in find_by_major()
262 pkt->major, pkt->minor, pkt->dev_class); in process_ver_info()
270 vap = find_by_major(vio, pkt->major); in process_ver_info()
276 pkt->major = 0; in process_ver_info()
280 } else if (vap->major != pkt->major) { in process_ver_info()
[all …]
/Linux-v6.1/include/linux/
Dkdev_t.h10 #define MAJOR(dev) ((unsigned int) ((dev) >> MINORBITS)) macro
15 sprintf((buffer), "%u:%u\n", MAJOR(dev), MINOR(dev))
19 sprintf(buffer, "%u:%u", MAJOR(dev), MINOR(dev)); \
26 return MAJOR(dev) < 256 && MINOR(dev) < 256; in old_valid_dev()
31 return (MAJOR(dev) << 8) | MINOR(dev); in old_encode_dev()
41 unsigned major = MAJOR(dev); in new_encode_dev() local
43 return (minor & 0xff) | (major << 8) | ((minor & ~0xff) << 12); in new_encode_dev()
48 unsigned major = (dev & 0xfff00) >> 8; in new_decode_dev() local
50 return MKDEV(major, minor); in new_decode_dev()
65 return MAJOR(dev) < (1<<14) && MINOR(dev) < (1<<18); in sysv_valid_dev()
[all …]
/Linux-v6.1/block/
Dgenhd.c21 #include <linux/major.h>
54 /* for extended dynamic devt allocation, currently only one major is used */
164 int major; member
174 static inline int major_to_index(unsigned major) in major_to_index() argument
176 return major % BLKDEV_MAJOR_HASH_SIZE; in major_to_index()
186 if (dp->major == offset) in blkdev_show()
187 seq_printf(seqf, "%3d %s\n", dp->major, dp->name); in blkdev_show()
195 * @major: the requested major device number [1..BLKDEV_MAJOR_MAX-1]. If
196 * @major = 0, try to allocate any unused major number.
205 * The return value depends on the @major input parameter:
[all …]
/Linux-v6.1/Documentation/driver-api/firmware/
Dfirmware-usage-guidelines.rst17 versioned with at least a major/minor version. It is suggested that
19 specific name, and just the major version. The firmware version should
23 overwritten with the newest compatible major version. Newer major
25 that major number.
30 This means no major version bumps without the kernel retaining
31 backwards compatibility for the older major versions. Minor version
36 be successful, then all supported major versions in the linux-firmware
42 deprecating old major versions, then this should only be done as a
/Linux-v6.1/drivers/char/
Dscx200_gpio.c33 static int major = 0; /* default to dynamic major */ variable
34 module_param(major, int, 0);
35 MODULE_PARM_DESC(major, "Major device number");
98 if (major) { in scx200_gpio_init()
99 devid = MKDEV(major, 0); in scx200_gpio_init()
103 major = MAJOR(devid); in scx200_gpio_init()
128 unregister_chrdev_region(MKDEV(major, 0), MAX_PINS); in scx200_gpio_cleanup()
Dpc8736x_gpio.c32 static int major; /* default to dynamic major */ variable
33 module_param(major, int, 0);
34 MODULE_PARM_DESC(major, "Major device number");
306 if (major) { in pc8736x_gpio_init()
307 devid = MKDEV(major, 0); in pc8736x_gpio_init()
311 major = MAJOR(devid); in pc8736x_gpio_init()
318 if (!major) { in pc8736x_gpio_init()
319 major = rc; in pc8736x_gpio_init()
320 dev_dbg(&pdev->dev, "got dynamic major %d\n", major); in pc8736x_gpio_init()
346 unregister_chrdev_region(MKDEV(major,0), PC8736X_GPIO_CT); in pc8736x_gpio_cleanup()
/Linux-v6.1/arch/mips/kernel/
Drtlx-cmp.c20 static int major; variable
64 major = register_chrdev(0, RTLX_MODULE_NAME, &rtlx_fops); in rtlx_module_init()
65 if (major < 0) { in rtlx_module_init()
67 return major; in rtlx_module_init()
77 dev = device_create(mt_class, NULL, MKDEV(major, i), NULL, in rtlx_module_init()
81 device_destroy(mt_class, MKDEV(major, i)); in rtlx_module_init()
105 device_destroy(mt_class, MKDEV(major, i)); in rtlx_module_init()
107 unregister_chrdev(major, RTLX_MODULE_NAME); in rtlx_module_init()
117 device_destroy(mt_class, MKDEV(major, i)); in rtlx_module_exit()
119 unregister_chrdev(major, RTLX_MODULE_NAME); in rtlx_module_exit()
Drtlx-mt.c21 static int major; variable
85 major = register_chrdev(0, RTLX_MODULE_NAME, &rtlx_fops); in rtlx_module_init()
86 if (major < 0) { in rtlx_module_init()
88 return major; in rtlx_module_init()
98 dev = device_create(mt_class, NULL, MKDEV(major, i), NULL, in rtlx_module_init()
102 device_destroy(mt_class, MKDEV(major, i)); in rtlx_module_init()
130 device_destroy(mt_class, MKDEV(major, i)); in rtlx_module_init()
132 unregister_chrdev(major, RTLX_MODULE_NAME); in rtlx_module_init()
142 device_destroy(mt_class, MKDEV(major, i)); in rtlx_module_exit()
144 unregister_chrdev(major, RTLX_MODULE_NAME); in rtlx_module_exit()
Dvpe-cmp.c17 static int major; variable
107 major = register_chrdev(0, VPE_MODULE_NAME, &vpe_fops); in vpe_module_init()
108 if (major < 0) { in vpe_module_init()
110 return major; in vpe_module_init()
123 vpe_device.devt = MKDEV(major, VPE_MODULE_MINOR); in vpe_module_init()
163 unregister_chrdev(major, VPE_MODULE_NAME); in vpe_module_init()
174 unregister_chrdev(major, VPE_MODULE_NAME); in vpe_module_exit()
/Linux-v6.1/drivers/staging/media/atomisp/pci/
Dcss_trace.h26 /* one tracer item: major, minor and counter. The counter value can be used for GP data */
28 u8 major; member
195 CMD_SET_ONE_MAJOR = 1, /* mask in one major. 2nd byte in the command is the major code */
196 CMD_UNSET_ONE_MAJOR = 2, /* mask out one major. 2nd byte in the command is the major code */
197 CMD_SET_ALL_MAJORS = 3, /* set the major print mask. the full mask is in the data DWORD */
238 * the last 2 MSB bits of the major field will indicates the format
266 #define PACK_TRACEPOINT(tid, major, minor, value) \ argument
267 (FIELD_TID_PACK(tid) | FIELD_MAJOR_PACK(major) | FIELD_MINOR_PACK(minor) | FIELD_VALUE_PACK(value))
269 #define PACK_QUICK_TRACEPOINT(major, minor) \ argument
270 (FIELD_FULL_MAJOR_PACK(major) | FIELD_MINOR_PACK(minor))
[all …]
/Linux-v6.1/drivers/char/xillybus/
Dxillybus_class.c36 int major; member
83 dev_warn(dev, "Failed to obtain major/minors"); in xillybus_init_chrdev()
87 unit->major = MAJOR(mdev); in xillybus_init_chrdev()
100 rc = cdev_add(unit->cdev, MKDEV(unit->major, unit->lowest_minor), in xillybus_init_chrdev()
126 MKDEV(unit->major, in xillybus_init_chrdev()
155 device_destroy(xillybus_class, MKDEV(unit->major, in xillybus_init_chrdev()
161 unregister_chrdev_region(MKDEV(unit->major, unit->lowest_minor), in xillybus_init_chrdev()
196 device_destroy(xillybus_class, MKDEV(unit->major, minor)); in xillybus_cleanup_chrdev()
200 unregister_chrdev_region(MKDEV(unit->major, unit->lowest_minor), in xillybus_cleanup_chrdev()
217 int major = imajor(inode); in xillybus_find_inode() local
[all …]
/Linux-v6.1/security/
Ddevice_cgroup.c36 u32 major, minor; member
102 if (walk->major != ex->major) in dev_exception_add()
130 if (walk->major != ex->major) in dev_exception_rm()
292 set_majmin(maj, ex->major); in devcgroup_seq_show()
307 * @major: device file major number, ~0 to match all
317 u32 major, u32 minor, short access) in match_exception() argument
326 if (ex->major != ~0 && ex->major != major) in match_exception()
342 * @major: device file major number, ~0 to match all
354 u32 major, u32 minor, short access) in match_exception_partial() argument
368 if (ex->major != ~0 && major != ~0 && ex->major != major) in match_exception_partial()
[all …]
/Linux-v6.1/include/trace/events/
Dext4.h145 MAJOR(__entry->dev), MINOR(__entry->dev),
175 MAJOR(__entry->dev), MINOR(__entry->dev),
198 MAJOR(__entry->dev), MINOR(__entry->dev),
222 MAJOR(__entry->dev), MINOR(__entry->dev),
245 MAJOR(__entry->dev), MINOR(__entry->dev),
267 MAJOR(__entry->dev), MINOR(__entry->dev),
287 MAJOR(__entry->dev), MINOR(__entry->dev),
309 MAJOR(__entry->dev), MINOR(__entry->dev),
331 MAJOR(__entry->dev), MINOR(__entry->dev),
357 MAJOR(__entry->dev), MINOR(__entry->dev),
[all …]
Djbd2.h31 MAJOR(__entry->dev), MINOR(__entry->dev), __entry->result)
53 MAJOR(__entry->dev), MINOR(__entry->dev),
112 MAJOR(__entry->dev), MINOR(__entry->dev),
132 MAJOR(__entry->dev), MINOR(__entry->dev),
160 MAJOR(__entry->dev), MINOR(__entry->dev), __entry->tid,
205 MAJOR(__entry->dev), MINOR(__entry->dev), __entry->tid,
242 MAJOR(__entry->dev), MINOR(__entry->dev), __entry->tid,
285 MAJOR(__entry->dev), MINOR(__entry->dev), __entry->tid,
322 MAJOR(__entry->dev), MINOR(__entry->dev), __entry->tid,
351 MAJOR(__entry->dev), MINOR(__entry->dev),
[all …]
/Linux-v6.1/tools/lib/bpf/
Dlibbpf_common.h21 /* Mark a symbol as deprecated when libbpf version is >= {major}.{minor} */
22 #define LIBBPF_DEPRECATED_SINCE(major, minor, msg) \ argument
23 __LIBBPF_MARK_DEPRECATED_ ## major ## _ ## minor \
24 (LIBBPF_DEPRECATED("libbpf v" # major "." # minor "+: " msg))
26 #define __LIBBPF_CURRENT_VERSION_GEQ(major, minor) \ argument
27 (LIBBPF_MAJOR_VERSION > (major) || \
28 (LIBBPF_MAJOR_VERSION == (major) && LIBBPF_MINOR_VERSION >= (minor)))
/Linux-v6.1/Documentation/admin-guide/cgroup-v1/
Dblkio-controller.rst36 for policy is "<major>:<minor> <bytes_per_second>"::
41 on device having major/minor number 8:16.
140 two fields specify the major and minor number of the device and
146 two fields specify the major and minor number of the device and
153 or async. First two fields specify the major and minor number of the
160 or async. First two fields specify the major and minor number of the
174 specify the major and minor number of the device, third field
189 read or write, sync or async. First two fields specify the major and
241 from service tree of the device. First two fields specify the major
257 echo "<major>:<minor> <rate_bytes_per_second>" > /cgrp/blkio.throttle.read_bps_device
[all …]
/Linux-v6.1/drivers/cpufreq/
Dsti-cpufreq.c65 dev_err(dev, "No major number offset provided in %pOF [%d]\n", in sti_cpufreq_fetch_major()
72 dev_err(dev, "Failed to read major number from syscon [%d]\n", in sti_cpufreq_fetch_major()
158 int pcode, substrate, major, minor; in sti_cpufreq_set_opp_info() local
201 major = sti_cpufreq_fetch_major(); in sti_cpufreq_set_opp_info()
202 if (major < 0) { in sti_cpufreq_set_opp_info()
203 dev_err(dev, "Failed to obtain major version\n"); in sti_cpufreq_set_opp_info()
204 /* Use default major number */ in sti_cpufreq_set_opp_info()
205 major = DEFAULT_VERSION; in sti_cpufreq_set_opp_info()
217 version[0] = BIT(major); in sti_cpufreq_set_opp_info()
227 dev_dbg(dev, "pcode: %d major: %d minor: %d substrate: %d\n", in sti_cpufreq_set_opp_info()
[all …]
/Linux-v6.1/Documentation/ABI/stable/
Dsysfs-hypervisor-xen34 is in the format: <class>-<major>.<minor>-<arch>
40 <major>: major guest interface version
103 The Xen version is in the format <major>.<minor><extra>
108 What: /sys/hypervisor/version/major
113 The Xen version is in the format <major>.<minor><extra>
114 This is the <major> part of it.
121 The Xen version is in the format <major>.<minor><extra>
/Linux-v6.1/include/uapi/sound/sof/
Dabi.h11 * MAJOR.MINOR.PATCH version number. See https://semver.org/
15 * 1) Increment MAJOR version if you make incompatible API changes. MINOR and
29 /* SOF ABI version major, minor and patch numbers */
42 #define SOF_ABI_VER(major, minor, patch) \ argument
43 (((major) << SOF_ABI_MAJOR_SHIFT) | \
/Linux-v6.1/Documentation/admin-guide/
Ddevices.txt3 See block major 144, 145, 146 for expansion areas.
45 devices are on major 128 and above and use the PTY
113 devices are on major 136 and above.
143 Older versions of the Linux kernel used this major
145 is no longer supported. Use major numbers 2 and 3.
147 4 block Aliases for dynamically allocated major devices to be used
208 disks (see major number 3) except that the limit on
510 (see major number 3).
521 interface (see major number 3).
629 disks (see major number 3) except that the limit on
[all …]
/Linux-v6.1/fs/nfs/
Dnfstrace.h72 MAJOR(__entry->dev), MINOR(__entry->dev),
117 MAJOR(__entry->dev), MINOR(__entry->dev),
212 MAJOR(__entry->dev), MINOR(__entry->dev),
257 MAJOR(__entry->dev), MINOR(__entry->dev),
309 MAJOR(__entry->dev), MINOR(__entry->dev),
371 MAJOR(__entry->dev), MINOR(__entry->dev),
420 MAJOR(__entry->dev), MINOR(__entry->dev),
466 MAJOR(__entry->dev), MINOR(__entry->dev),
520 MAJOR(__entry->dev), MINOR(__entry->dev),
561 MAJOR(__entry->dev), MINOR(__entry->dev),
[all …]
/Linux-v6.1/security/keys/encrypted-keys/
Decryptfs_format.c31 void ecryptfs_get_versions(int *major, int *minor, int *file_version) in ecryptfs_get_versions() argument
33 *major = ECRYPTFS_VERSION_MAJOR; in ecryptfs_get_versions()
51 int major, minor; in ecryptfs_fill_auth_tok() local
53 ecryptfs_get_versions(&major, &minor, NULL); in ecryptfs_fill_auth_tok()
54 auth_tok->version = (((uint16_t)(major << 8) & 0xFF00) in ecryptfs_fill_auth_tok()
/Linux-v6.1/drivers/base/
Dmap.c36 unsigned int n = MAJOR(dev + range - 1) - MAJOR(dev) + 1; in kobj_map()
37 unsigned int index = MAJOR(dev); in kobj_map()
70 unsigned int n = MAJOR(dev + range - 1) - MAJOR(dev) + 1; in kobj_unmap()
71 unsigned int index = MAJOR(dev); in kobj_unmap()
103 for (p = domain->probes[MAJOR(dev) % 255]; p; p = p->next) { in kobj_lookup()

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