Searched refs:MINORBITS (Results 1 - 25 of 32) sorted by relevance

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/linux-master/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 */
/linux-master/tools/testing/selftests/bpf/progs/
H A Dbpf_iter_task_vmas.c15 #define MINORBITS 20 macro
16 #define MINORMASK ((1U << MINORBITS) - 1)
17 #define MAJOR(dev) ((unsigned int) ((dev) >> MINORBITS))
/linux-master/block/
H A Dbsg.c39 #define BSG_MAX_DEVS (1 << MINORBITS)
H A Dgenhd.c56 #define NR_EXT_DEVT (1 << MINORBITS)
/linux-master/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);
134 if (first_bit == MINORBITS)
/linux-master/drivers/block/aoe/
H A Daoedev.c35 #define N_DEVS ((1U<<MINORBITS)/AOE_PARTITIONS)
/linux-master/drivers/block/
H A Dbrd.c405 * make sure 'max_part' can be divided exactly by (1U << MINORBITS),
408 if ((1U << MINORBITS) % max_part != 0)
H A Dloop.c2258 if (max_loop > 1UL << (MINORBITS - part_shift)) {
H A Dvirtio_blk.c1462 minor_to_index(1 << MINORBITS) - 1, GFP_KERNEL);
H A Dnbd.c2573 if (nbds_max > 1UL << (MINORBITS - part_shift))
/linux-master/drivers/android/
H A Dbinderfs.c40 #define BINDERFS_MAX_MINOR (1U << MINORBITS)
/linux-master/drivers/mtd/
H A Dmtdchar.c1423 ret = __register_chrdev(MTD_CHAR_MAJOR, 0, 1 << MINORBITS,
1436 __unregister_chrdev(MTD_CHAR_MAJOR, 0, 1 << MINORBITS, "mtd");
/linux-master/drivers/md/
H A Ddm.c1955 if (minor >= (1 << MINORBITS))
1977 r = idr_alloc(&_minor_idr, MINOR_ALLOCED, 0, 1 << MINORBITS, GFP_NOWAIT);
2431 if (MAJOR(dev) != _major || minor >= (1 << MINORBITS))
/linux-master/drivers/net/wwan/
H A Dwwan_core.c24 #define WWAN_MAX_MINORS (1 << MINORBITS)
/linux-master/drivers/s390/block/
H A Ddasd_int.h14 #define DASD_PER_MAJOR (1U << (MINORBITS - DASD_PARTN_BITS))
H A Ddcssblk.c138 for (minor = 0; minor < (1<<MINORBITS); minor++) {
/linux-master/drivers/uio/
H A Duio.c29 #define UIO_MAX_DEVICES (1U << MINORBITS)
/linux-master/drivers/net/
H A Dtap.c104 #define TAP_NUM_DEVS (1U << MINORBITS)
/linux-master/drivers/staging/pi433/
H A Dpi433_if.c49 #define N_PI433_MINORS BIT(MINORBITS) /*32*/ /* ... up to 256 */
/linux-master/drivers/firewire/
H A Dcore-device.c1103 minor = idr_alloc(&fw_device_idr, device, 0, 1 << MINORBITS,
/linux-master/drivers/block/rnbd/
H A Drnbd-clt.c1431 ret = ida_alloc_max(&index_ida, (1 << (MINORBITS - RNBD_PART_BITS)) - 1,
/linux-master/drivers/vhost/
H A Dvdpa.c35 #define VHOST_VDPA_DEV_MAX (1U << MINORBITS)
/linux-master/fs/
H A Dsuper.c1198 dev = ida_alloc_range(&unnamed_dev_ida, 1, (1 << MINORBITS) - 1,
/linux-master/drivers/md/bcache/
H A Dsuper.c60 #define BCACHE_DEVICE_IDX_MAX ((1U << MINORBITS)/BCACHE_MINORS)

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