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/linux/drivers/gpu/drm/xe/tests/
H A Dxe_sriov_pf_service_kunit.c33 KUNIT_ASSERT_NE(test, 0, xe->sriov.pf.service.version.base.major); in pf_service_test_init()
34 KUNIT_ASSERT_NE(test, 0, xe->sriov.pf.service.version.latest.major); in pf_service_test_init()
35 KUNIT_ASSERT_LE(test, xe->sriov.pf.service.version.base.major, in pf_service_test_init()
36 xe->sriov.pf.service.version.latest.major); in pf_service_test_init()
37 if (xe->sriov.pf.service.version.base.major == xe->sriov.pf.service.version.latest.major) in pf_service_test_init()
46 u32 major, minor; in pf_negotiate_any() local
51 &major, &minor)); in pf_negotiate_any()
52 KUNIT_ASSERT_EQ(test, major, xe->sriov.pf.service.version.latest.major); in pf_negotiate_any()
59 u32 major, minor; pf_negotiate_base_match() local
73 u32 major, minor; pf_negotiate_base_newer() local
91 u32 major, minor; pf_negotiate_base_next() local
108 u32 major, minor; pf_negotiate_base_older() local
123 u32 major, minor; pf_negotiate_base_prev() local
134 u32 major, minor; pf_negotiate_latest_match() local
148 u32 major, minor; pf_negotiate_latest_newer() local
162 u32 major, minor; pf_negotiate_latest_next() local
175 u32 major, minor; pf_negotiate_latest_older() local
192 u32 major, minor; pf_negotiate_latest_prev() local
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/linux/drivers/gpu/drm/xe/
H A Dxe_sriov_pf_service.c32 xe->sriov.pf.service.version.base.major = GUC_RELAY_VERSION_BASE_MAJOR; in xe_sriov_pf_service_init()
36 xe->sriov.pf.service.version.latest.major = GUC_RELAY_VERSION_LATEST_MAJOR; in xe_sriov_pf_service_init()
43 u32 *major, u32 *minor) in pf_negotiate_version() argument
49 xe_assert(xe, base.major); in pf_negotiate_version()
50 xe_assert(xe, base.major <= latest.major); in pf_negotiate_version()
51 xe_assert(xe, (base.major < latest.major) || (base.minor <= latest.minor)); in pf_negotiate_version()
56 *major = latest.major; in pf_negotiate_version()
87 pf_connect(struct xe_device * xe,u32 vfid,u32 major,u32 minor) pf_connect() argument
117 xe_sriov_pf_service_is_negotiated(struct xe_device * xe,u32 vfid,u32 major,u32 minor) xe_sriov_pf_service_is_negotiated() argument
142 xe_sriov_pf_service_handshake_vf(struct xe_device * xe,u32 vfid,u32 wanted_major,u32 wanted_minor,u32 * major,u32 * minor) xe_sriov_pf_service_handshake_vf() argument
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H A Dxe_gt_sriov_vf.c94 FIELD_PREP(VF2GUC_MATCH_VERSION_REQUEST_MSG_1_MAJOR, wanted->major) | in guc_action_match_version()
111 found->major = FIELD_GET(VF2GUC_MATCH_VERSION_RESPONSE_MSG_1_MAJOR, response[1]); in guc_action_match_version()
123 .major = GUC_VERSION_MAJOR_ANY, in guc_action_match_version_any()
141 ver->major = 1; in vf_minimum_guc_version()
147 ver->major = 1; in vf_minimum_guc_version()
170 if (guc_version->major || guc_version->minor) { in vf_handshake_with_guc()
175 xe_gt_assert(gt, wanted.major != GUC_VERSION_MAJOR_ANY); in vf_handshake_with_guc()
189 guc_version->branch, guc_version->major, in vf_handshake_with_guc()
192 wanted.branch, wanted.major, in vf_handshake_with_guc()
203 if (guc_version->major > wante in vf_handshake_with_guc()
657 relay_action_handshake(struct xe_gt * gt,u32 * major,u32 * minor) relay_action_handshake() argument
689 vf_connect_pf(struct xe_device * xe,u16 major,u16 minor) vf_connect_pf() argument
707 u32 major = major_wanted, minor = minor_wanted; vf_handshake_with_pf() local
777 vf_is_negotiated(struct xe_gt * gt,u16 major,u16 minor) vf_is_negotiated() argument
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H A Dxe_uc_fw.c37 * "mpp version", i.e. major.minor.patch. mmp_ver() should only be used for
41 * ever contains the major version (GuC) or no version at all (HuC).
44 * The major version needs to match a major version supported by the driver (if
55 * - i915/tgl_guc_<major>.bin
58 * <major> number for GuC is checked that it matches the version inside
66 * - xe/wipplat_guc_<major>.<minor>.<patch>.bin
67 * - xe/wipplat_huc_<major>.<minor>.<patch>.bin
69 * <major> and <minor> are checked that they match the version inside
78 * - xe/plat_guc_<major>
100 u16 major; global() member
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/linux/fs/
H A 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
97 __register_chrdev_region(unsigned int major,unsigned int baseminor,int minorct,const char * name) __register_chrdev_region() argument
172 __unregister_chrdev_region(unsigned major,unsigned baseminor,int minorct) __unregister_chrdev_region() argument
268 __register_chrdev(unsigned int major,unsigned int baseminor,unsigned int count,const char * name,const struct file_operations * fops) __register_chrdev() argument
335 __unregister_chrdev(unsigned int major,unsigned int baseminor,unsigned int count,const char * name) __unregister_chrdev() argument
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/linux/arch/sparc/kernel/
H A 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 in sun4v_hvapi_register()
161 sun4v_hvapi_get(unsigned long group,unsigned long * major,unsigned long * minor) sun4v_hvapi_get() argument
184 unsigned long group, major, minor; sun4v_hvapi_init() local
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H A 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()
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/linux/include/linux/
H A 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, mino in new_decode_dev()
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/linux/Documentation/driver-api/firmware/
H A 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/drivers/char/
H A 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");
97 if (major) { in scx200_gpio_init()
98 devid = MKDEV(major, 0); in scx200_gpio_init()
102 major = MAJOR(devid); in scx200_gpio_init()
127 unregister_chrdev_region(MKDEV(major, in scx200_gpio_cleanup()
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H A 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");
305 if (major) { in pc8736x_gpio_init()
306 devid = MKDEV(major, 0); in pc8736x_gpio_init()
310 major = MAJOR(devid); in pc8736x_gpio_init()
317 if (!major) { in pc8736x_gpio_init()
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/linux/drivers/staging/media/atomisp/pci/
H A Dcss_trace.h17 /* one tracer item: major, minor and counter. The counter value can be used for GP data */
19 u8 major; member
186 CMD_SET_ONE_MAJOR = 1, /* mask in one major. 2nd byte in the command is the major code */
187 CMD_UNSET_ONE_MAJOR = 2, /* mask out one major. 2nd byte in the command is the major code */
188 CMD_SET_ALL_MAJORS = 3, /* set the major print mask. the full mask is in the data DWORD */
229 * the last 2 MSB bits of the major field will indicates the format
257 #define PACK_TRACEPOINT(tid, major, minor, value) \ argument
258 (FIELD_TID_PACK(tid) | FIELD_MAJOR_PACK(major) | FIELD_MINOR_PAC
260 PACK_QUICK_TRACEPOINT(major,minor) global() argument
263 PACK_FORMATTED_TRACEPOINT(format,major,minor,value) global() argument
266 PACK_TRACE_VALUE24(major,value) global() argument
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/linux/arch/mips/kernel/
H A 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_NAM in rtlx_module_exit()
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/linux/drivers/char/xillybus/
H A Dxillybus_class.c38 int major; member
85 dev_warn(dev, "Failed to obtain major/minors"); in xillybus_init_chrdev()
89 unit->major = MAJOR(mdev); in xillybus_init_chrdev()
102 rc = cdev_add(unit->cdev, MKDEV(unit->major, unit->lowest_minor), in xillybus_init_chrdev()
128 MKDEV(unit->major, in xillybus_init_chrdev()
157 device_destroy(&xillybus_class, MKDEV(unit->major, in xillybus_init_chrdev()
163 unregister_chrdev_region(MKDEV(unit->major, unit->lowest_minor), in xillybus_init_chrdev()
198 device_destroy(&xillybus_class, MKDEV(unit->major, minor)); in xillybus_cleanup_chrdev()
202 unregister_chrdev_region(MKDEV(unit->major, uni in xillybus_cleanup_chrdev()
219 int major = imajor(inode); xillybus_find_inode() local
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/linux/drivers/net/can/usb/etas_es58x/
H A Des58x_devlink.c46 int major, minor, revision; in es58x_parse_sw_version() local
66 if (sscanf(prod_info, "%2u.%2u.%2u", &major, &minor, &revision) != 3) in es58x_parse_sw_version()
69 version->major = major; in es58x_parse_sw_version()
97 int major, minor; in es58x_parse_hw_rev() local
109 if (sscanf(prod_info, "%c%3u/%3u", &letter, &major, &minor) != 3) in es58x_parse_hw_rev()
113 es58x_dev->hardware_revision.major = major; in es58x_parse_hw_rev()
135 .major = -1, in es58x_parse_product_info()
141 .major in es58x_parse_product_info()
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/linux/security/
H A Ddevice_cgroup.c36 u32 major, minor; member
113 if (walk->major != ex->major) in dev_exception_add()
141 if (walk->major != ex->major) in dev_exception_rm()
303 set_majmin(maj, ex->major); in devcgroup_seq_show()
318 * @major: device file major number, ~0 to match all
328 u32 major, u32 minor, short access) in match_exception() argument
337 if (ex->major ! in match_exception()
365 match_exception_partial(struct list_head * exceptions,short type,u32 major,u32 minor,short access) match_exception_partial() argument
832 devcgroup_legacy_check_permission(short type,u32 major,u32 minor,short access) devcgroup_legacy_check_permission() argument
860 devcgroup_check_permission(short type,u32 major,u32 minor,short access) devcgroup_check_permission() argument
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/linux/block/
H A Dgenhd.c21 #include <linux/major.h>
55 /* for extended dynamic devt allocation, currently only one major is used */
180 int major; member
190 static inline int major_to_index(unsigned major) in major_to_index() argument
192 return major % BLKDEV_MAJOR_HASH_SIZE; in major_to_index()
202 if (dp->major == offset) in blkdev_show()
203 seq_printf(seqf, "%3d %s\n", dp->major, dp->name); in blkdev_show()
211 * @major: the requested major device number [1..BLKDEV_MAJOR_MAX-1]. If
212 * @major
234 __register_blkdev(unsigned int major,const char * name,void (* probe)(dev_t devt)) __register_blkdev() argument
303 unregister_blkdev(unsigned int major,const char * name) unregister_blkdev() argument
878 unsigned int major = MAJOR(devt); blk_probe_dev() local
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/linux/include/trace/events/
H A Dext4.h158 MAJOR(__entry->dev), MINOR(__entry->dev),
188 MAJOR(__entry->dev), MINOR(__entry->dev),
211 MAJOR(__entry->dev), MINOR(__entry->dev),
235 MAJOR(__entry->dev), MINOR(__entry->dev),
258 MAJOR(__entry->dev), MINOR(__entry->dev),
280 MAJOR(__entry->dev), MINOR(__entry->dev),
300 MAJOR(__entry->dev), MINOR(__entry->dev),
322 MAJOR(__entry->dev), MINOR(__entry->dev),
344 MAJOR(__entry->dev), MINOR(__entry->dev),
370 MAJOR(__entr
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H A 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(__entr
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/linux/Documentation/admin-guide/cgroup-v1/
H A 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>
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/linux/tools/lib/bpf/
H A 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/Documentation/ABI/stable/
H A 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/fs/xfs/scrub/
H A Dtrace.h174 MAJOR(__entry->dev), MINOR(__entry->dev),
211 MAJOR(__entry->dev), MINOR(__entry->dev),
248 MAJOR(__entry->dev), MINOR(__entry->dev),
283 MAJOR(__entry->dev), MINOR(__entry->dev),
320 MAJOR(__entry->dev), MINOR(__entry->dev),
351 MAJOR(__entry->dev), MINOR(__entry->dev),
378 MAJOR(__entry->dev), MINOR(__entry->dev),
411 MAJOR(__entry->dev), MINOR(__entry->dev),
448 MAJOR(__entry->dev), MINOR(__entry->dev),
493 MAJOR(__entr
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/linux/include/uapi/sound/sof/
H A 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/sound/core/
H A Dsound.c21 static int major = CONFIG_SND_MAJOR; variable
30 module_param(major, int, 0444);
31 MODULE_PARM_DESC(major, "Major # for sound driver.");
277 device->devt = MKDEV(major, minor); in snd_register_device()
391 snd_major = major; in alsa_sound_init()
393 if (register_chrdev(major, "alsa", &snd_fops)) { in alsa_sound_init()
394 pr_err("ALSA core: unable to register native major device number %d\n", major); in alsa_sound_init()
398 unregister_chrdev(major, "als in alsa_sound_init()
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