| /kernel/linux/linux-5.10/fs/ |
| D | char_dev.c | 14 #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 …]
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| /kernel/linux/linux-6.6/fs/ |
| D | char_dev.c | 14 #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 …]
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| /kernel/linux/linux-6.6/arch/sparc/kernel/ |
| D | hvapi.c | 16 * 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 …]
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| D | viohs.c | 48 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 …]
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| /kernel/linux/linux-5.10/arch/sparc/kernel/ |
| D | hvapi.c | 16 * 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 …]
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| D | viohs.c | 48 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 …]
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| /kernel/linux/linux-6.6/include/linux/ |
| D | kdev_t.h | 10 #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 …]
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| /kernel/linux/linux-5.10/include/linux/ |
| D | kdev_t.h | 10 #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 …]
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| /kernel/linux/linux-6.6/Documentation/driver-api/firmware/ |
| D | firmware-usage-guidelines.rst | 17 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
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| /kernel/linux/linux-6.6/drivers/char/ |
| D | scx200_gpio.c | 33 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()
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| /kernel/linux/linux-5.10/drivers/char/ |
| D | scx200_gpio.c | 33 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()
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| /kernel/linux/linux-5.10/arch/mips/kernel/ |
| D | rtlx-cmp.c | 20 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()
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| D | rtlx-mt.c | 21 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()
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| /kernel/linux/linux-6.6/drivers/gpu/drm/i915/gt/uc/ |
| D | intel_uc_fw.c | 72 * Originally, the driver required an exact match major/minor/patch furmware 78 * For GuC, the major version number signifies a backwards breaking API change. 79 * So, new format GuC firmware files are labelled by their major version only. 190 u8 major; member 197 .major = major_, \ 314 uc_fw->file_wanted.ver.major = blob->major; in __uc_fw_auto_select() 360 fw_blobs[j].blob.major, fw_blobs[j].blob.minor, in validate_fw_table_type() 363 fw_blobs[i].blob.major, fw_blobs[i].blob.minor, in validate_fw_table_type() 381 /* Next major version is good: */ in validate_fw_table_type() 382 if (fw_blobs[i].blob.major < fw_blobs[i - 1].blob.major) in validate_fw_table_type() [all …]
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| /kernel/linux/linux-6.6/block/ |
| D | genhd.c | 21 #include <linux/major.h> 55 /* for extended dynamic devt allocation, currently only one major is used */ 160 int major; member 170 static inline int major_to_index(unsigned major) in major_to_index() argument 172 return major % BLKDEV_MAJOR_HASH_SIZE; in major_to_index() 182 if (dp->major == offset) in blkdev_show() 183 seq_printf(seqf, "%3d %s\n", dp->major, dp->name); in blkdev_show() 191 * @major: the requested major device number [1..BLKDEV_MAJOR_MAX-1]. If 192 * @major = 0, try to allocate any unused major number. 201 * The return value depends on the @major input parameter: [all …]
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| /kernel/linux/linux-6.6/arch/mips/kernel/ |
| D | rtlx-mt.c | 21 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()
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| /kernel/linux/linux-6.6/drivers/char/xillybus/ |
| D | xillybus_class.c | 38 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, unit->lowest_minor), in xillybus_cleanup_chrdev() 219 int major = imajor(inode); in xillybus_find_inode() local [all …]
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| /kernel/linux/linux-5.10/drivers/staging/media/atomisp/pci/ |
| D | css_trace.h | 26 /* 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 …]
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| /kernel/linux/linux-6.6/drivers/staging/media/atomisp/pci/ |
| D | css_trace.h | 26 /* 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 …]
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| /kernel/linux/linux-6.6/drivers/net/can/usb/etas_es58x/ |
| D | es58x_devlink.c | 46 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 = -1, in es58x_parse_product_info() 178 return sw_ver->major < 100 && sw_ver->minor < 100 && in es58x_sw_version_is_valid() 195 return isalnum(hw_rev->letter) && hw_rev->major < 1000 && in es58x_hw_revision_is_valid() [all …]
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| /kernel/linux/linux-5.10/security/ |
| D | device_cgroup.c | 35 u32 major, minor; member 112 if (walk->major != ex->major) in dev_exception_add() 140 if (walk->major != ex->major) in dev_exception_rm() 302 set_majmin(maj, ex->major); in devcgroup_seq_show() 317 * @major: device file major number, ~0 to match all 327 u32 major, u32 minor, short access) in match_exception() argument 336 if (ex->major != ~0 && ex->major != major) in match_exception() 352 * @major: device file major number, ~0 to match all 364 u32 major, u32 minor, short access) in match_exception_partial() argument 378 if (ex->major != ~0 && major != ~0 && ex->major != major) in match_exception_partial() [all …]
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| /kernel/linux/linux-6.6/security/ |
| D | device_cgroup.c | 36 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 != ~0 && ex->major != major) in match_exception() 353 * @major: device file major number, ~0 to match all 365 u32 major, u32 minor, short access) in match_exception_partial() argument 379 if (ex->major != ~0 && major != ~0 && ex->major != major) in match_exception_partial() [all …]
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| /kernel/linux/linux-6.6/drivers/accel/habanalabs/common/ |
| D | security.h | 30 * @major: number of major blocks of particular type. 33 * @major_offset: address gap between 2 consecutive major blocks of particular type, 41 * NIC<major>_UMR<minor>_<sub_minor> where major=12, minor=2, sub_minor=15. 42 * In other words, for each of 12 major numbers (i.e 0 to 11) there are 53 u32 major; member 137 u32 blk_idx, u32 major, u32 minor, u32 sub_minor); 150 * @major: major block index within block_id 151 * @minor: minor block index within the major block 155 int (*fn)(struct hl_device *hdev, u32 block_id, u32 major, u32 minor,
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| /kernel/linux/linux-5.10/fs/f2fs/ |
| D | trace.c | 26 last_io.major, last_io.minor, in __print_last_io() 80 MAJOR(inode->i_sb->s_dev), MINOR(inode->i_sb->s_dev), in f2fs_trace_pid() 91 int major, minor; in f2fs_trace_ios() local 101 major = MAJOR(inode->i_sb->s_dev); in f2fs_trace_ios() 104 if (last_io.major == major && last_io.minor == minor && in f2fs_trace_ios() 117 last_io.major = major; in f2fs_trace_ios()
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| /kernel/linux/linux-5.10/include/trace/events/ |
| D | ext4.h | 147 MAJOR(__entry->dev), MINOR(__entry->dev), 177 MAJOR(__entry->dev), MINOR(__entry->dev), 200 MAJOR(__entry->dev), MINOR(__entry->dev), 224 MAJOR(__entry->dev), MINOR(__entry->dev), 247 MAJOR(__entry->dev), MINOR(__entry->dev), 269 MAJOR(__entry->dev), MINOR(__entry->dev), 289 MAJOR(__entry->dev), MINOR(__entry->dev), 311 MAJOR(__entry->dev), MINOR(__entry->dev), 333 MAJOR(__entry->dev), MINOR(__entry->dev), 362 MAJOR(__entry->dev), MINOR(__entry->dev), [all …]
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