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Searched refs:MINORBITS (Results 1 - 25 of 61) sorted by relevance

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/kernel/linux/linux-5.10/include/linux/
H A Dkdev_t.h7 #define MINORBITS 20 macro
8 #define MINORMASK ((1U << MINORBITS) - 1)
10 #define MAJOR(dev) ((unsigned int) ((dev) >> MINORBITS))
12 #define MKDEV(ma,mi) (((ma) << MINORBITS) | (mi))
H A Dtty.h25 #define NR_UNIX98_PTY_MAX (1 << MINORBITS) /* Absolute limit */
/kernel/linux/linux-6.6/include/linux/
H A Dkdev_t.h7 #define MINORBITS 20 macro
8 #define MINORMASK ((1U << MINORBITS) - 1)
10 #define MAJOR(dev) ((unsigned int) ((dev) >> MINORBITS))
12 #define MKDEV(ma,mi) (((ma) << MINORBITS) | (mi))
H A Dtty.h26 #define NR_UNIX98_PTY_MAX (1 << MINORBITS) /* Absolute limit */
/kernel/linux/linux-5.10/tools/lib/traceevent/plugins/
H A Dplugin_jbd2.c12 #define MINORBITS 20 macro
13 #define MINORMASK ((1U << MINORBITS) - 1)
15 #define MAJOR(dev) ((unsigned int) ((dev) >> MINORBITS))
/kernel/linux/linux-6.6/tools/testing/selftests/bpf/progs/
H A Dbpf_iter_task_vma.c15 #define MINORBITS 20 macro
16 #define MINORMASK ((1U << MINORBITS) - 1)
17 #define MAJOR(dev) ((unsigned int) ((dev) >> MINORBITS))
/kernel/linux/linux-5.10/drivers/block/
H A Dbrd.c478 * make sure 'max_part' can be divided exactly by (1U << MINORBITS), in brd_check_and_reset_par()
481 if ((1U << MINORBITS) % max_part != 0) in brd_check_and_reset_par()
534 blk_register_region(MKDEV(RAMDISK_MAJOR, 0), 1UL << MINORBITS, in brd_init() local
558 blk_unregister_region(MKDEV(RAMDISK_MAJOR, 0), 1UL << MINORBITS); in brd_exit() local
H A Dloop.c2346 if (max_loop > 1UL << (MINORBITS - part_shift)) { in loop_init()
2364 range = 1UL << MINORBITS; in loop_init()
2407 range = max_loop ? max_loop << part_shift : 1UL << MINORBITS; in loop_exit()
H A Dvirtio_blk.c716 err = ida_simple_get(&vd_index_ida, 0, minor_to_index(1 << MINORBITS), in virtblk_probe()
/kernel/linux/linux-5.10/arch/x86/kernel/cpu/resctrl/
H A Dpseudo_lock.c47 static unsigned long pseudo_lock_minor_avail = GENMASK(MINORBITS, 0);
117 first_bit = find_first_bit(&pseudo_lock_minor_avail, MINORBITS); in pseudo_lock_minor_get()
119 if (first_bit == MINORBITS) in pseudo_lock_minor_get()
/kernel/linux/linux-6.6/arch/x86/kernel/cpu/resctrl/
H A Dpseudo_lock.c47 static unsigned long pseudo_lock_minor_avail = GENMASK(MINORBITS, 0);
132 first_bit = find_first_bit(&pseudo_lock_minor_avail, MINORBITS); in pseudo_lock_minor_get()
134 if (first_bit == MINORBITS) in pseudo_lock_minor_get()
/kernel/linux/linux-5.10/drivers/staging/kpc2000/kpc_dma/
H A Dkpc_dma_driver.c17 #define KPC_DMA_NUM_MINORS BIT(MINORBITS)
/kernel/linux/linux-6.6/block/
H A Dbsg.c39 #define BSG_MAX_DEVS (1 << MINORBITS)
/kernel/linux/linux-5.10/drivers/mtd/
H A Dmtdchar.c1217 ret = __register_chrdev(MTD_CHAR_MAJOR, 0, 1 << MINORBITS, in init_mtdchar()
1230 __unregister_chrdev(MTD_CHAR_MAJOR, 0, 1 << MINORBITS, "mtd"); in cleanup_mtdchar()
/kernel/linux/linux-5.10/block/
H A Dgenhd.c33 #define NR_EXT_DEVT (1 << MINORBITS)
546 for (i = 0; i < MINORBITS / 2; i++) { in blk_mangle_minor()
548 int high = minor & (1 << (MINORBITS - 1 - i)); in blk_mangle_minor()
549 int distance = MINORBITS - 1 - 2 * i; in blk_mangle_minor()
/kernel/linux/linux-5.10/drivers/block/aoe/
H A Daoedev.c35 #define N_DEVS ((1U<<MINORBITS)/AOE_PARTITIONS)
/kernel/linux/linux-6.6/drivers/block/
H A Dbrd.c403 * make sure 'max_part' can be divided exactly by (1U << MINORBITS), in brd_check_and_reset_par()
406 if ((1U << MINORBITS) % max_part != 0) in brd_check_and_reset_par()
/kernel/linux/linux-6.6/drivers/block/aoe/
H A Daoedev.c35 #define N_DEVS ((1U<<MINORBITS)/AOE_PARTITIONS)
/kernel/linux/linux-6.6/drivers/mtd/
H A Dmtdchar.c1423 ret = __register_chrdev(MTD_CHAR_MAJOR, 0, 1 << MINORBITS, in init_mtdchar()
1436 __unregister_chrdev(MTD_CHAR_MAJOR, 0, 1 << MINORBITS, "mtd"); in cleanup_mtdchar()
/kernel/linux/linux-5.10/drivers/android/
H A Dbinderfs.c43 #define BINDERFS_MAX_MINOR (1U << MINORBITS)
/kernel/linux/linux-6.6/drivers/android/
H A Dbinderfs.c41 #define BINDERFS_MAX_MINOR (1U << MINORBITS)
/kernel/linux/linux-5.10/drivers/md/
H A Ddm.c1742 if (minor >= (1 << MINORBITS)) in specific_minor()
1764 r = idr_alloc(&_minor_idr, MINOR_ALLOCED, 0, 1 << MINORBITS, GFP_NOWAIT); in next_free_minor()
2192 if (MAJOR(dev) != _major || minor >= (1 << MINORBITS)) in dm_get_md()
/kernel/linux/linux-6.6/drivers/md/
H A Ddm.c1919 if (minor >= (1 << MINORBITS)) in specific_minor()
1941 r = idr_alloc(&_minor_idr, MINOR_ALLOCED, 0, 1 << MINORBITS, GFP_NOWAIT); in next_free_minor()
2394 if (MAJOR(dev) != _major || minor >= (1 << MINORBITS)) in dm_get_md()
/kernel/linux/linux-5.10/drivers/s390/block/
H A Ddcssblk.c152 for (minor = 0; minor < (1<<MINORBITS); minor++) { in dcssblk_assign_free_minor()
/kernel/linux/linux-5.10/drivers/uio/
H A Duio.c28 #define UIO_MAX_DEVICES (1U << MINORBITS)

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