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Searched refs:MINORMASK (Results 1 – 25 of 29) sorted by relevance

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/linux-6.15/tools/testing/selftests/bpf/progs/
H A Dbpf_iter_task_vmas.c16 #define MINORMASK ((1U << MINORBITS) - 1) macro
18 #define MINOR(dev) ((unsigned int) ((dev) & MINORMASK))
/linux-6.15/include/linux/
H A Dkdev_t.h8 #define MINORMASK ((1U << MINORBITS) - 1) macro
11 #define MINOR(dev) ((unsigned int) ((dev) & MINORMASK))
/linux-6.15/drivers/dax/
H A Dsuper.c466 minor = ida_alloc_max(&dax_minor_ida, MINORMASK, GFP_KERNEL); in alloc_dax()
584 rc = alloc_chrdev_region(&dax_devt, 0, MINORMASK+1, "dax"); in dax_core_init()
594 unregister_chrdev_region(dax_devt, MINORMASK+1); in dax_core_init()
603 unregister_chrdev_region(dax_devt, MINORMASK+1); in dax_core_exit()
/linux-6.15/drivers/char/
H A Dmisc.c77 MINORMASK, GFP_KERNEL); in misc_minor_alloc()
318 if (__register_chrdev(MISC_MAJOR, 0, MINORMASK + 1, "misc", &misc_fops)) in misc_init()
/linux-6.15/drivers/vfio/
H A Ddevice_cdev.c273 MINORMASK + 1, "vfio-dev"); in vfio_cdev_init()
278 unregister_chrdev_region(device_devt, MINORMASK + 1); in vfio_cdev_cleanup()
H A Dgroup.c541 minor = ida_alloc_max(&vfio.group_ida, MINORMASK, GFP_KERNEL); in vfio_group_alloc()
931 ret = alloc_chrdev_region(&vfio.group_devt, 0, MINORMASK + 1, "vfio"); in vfio_group_init()
948 unregister_chrdev_region(vfio.group_devt, MINORMASK + 1); in vfio_group_cleanup()
H A Dvfio_main.c275 ret = ida_alloc_max(&vfio.device_ida, MINORMASK, GFP_KERNEL); in vfio_init_device()
/linux-6.15/samples/vfio-mdev/
H A Dmdpy.c702 ret = alloc_chrdev_region(&mdpy_devt, 0, MINORMASK + 1, MDPY_NAME); in mdpy_dev_init()
708 cdev_add(&mdpy_cdev, mdpy_devt, MINORMASK + 1); in mdpy_dev_init()
743 unregister_chrdev_region(mdpy_devt, MINORMASK + 1); in mdpy_dev_init()
755 unregister_chrdev_region(mdpy_devt, MINORMASK + 1); in mdpy_dev_exit()
H A Dmbochs.c1415 ret = alloc_chrdev_region(&mbochs_devt, 0, MINORMASK + 1, MBOCHS_NAME); in mbochs_dev_init()
1421 cdev_add(&mbochs_cdev, mbochs_devt, MINORMASK + 1); in mbochs_dev_init()
1456 unregister_chrdev_region(mbochs_devt, MINORMASK + 1); in mbochs_dev_init()
1468 unregister_chrdev_region(mbochs_devt, MINORMASK + 1); in mbochs_dev_exit()
H A Dmtty.c1987 ret = alloc_chrdev_region(&mtty_dev.vd_devt, 0, MINORMASK + 1, in mtty_dev_init()
1996 cdev_add(&mtty_dev.vd_cdev, mtty_dev.vd_devt, MINORMASK + 1); in mtty_dev_init()
2036 unregister_chrdev_region(mtty_dev.vd_devt, MINORMASK + 1); in mtty_dev_init()
2049 unregister_chrdev_region(mtty_dev.vd_devt, MINORMASK + 1); in mtty_dev_exit()
/linux-6.15/drivers/dma/idxd/
H A Dcdev.c546 minor = ida_alloc_max(&cdev_ctx->minor_ida, MINORMASK, GFP_KERNEL); in idxd_wq_add_cdev()
689 rc = alloc_chrdev_region(&ictx[i].devt, 0, MINORMASK, in idxd_cdev_register()
699 unregister_chrdev_region(ictx[i].devt, MINORMASK); in idxd_cdev_register()
709 unregister_chrdev_region(ictx[i].devt, MINORMASK); in idxd_cdev_remove()
/linux-6.15/fs/
H A Dchar_dev.c110 if (minorct > MINORMASK + 1 - baseminor) { in __register_chrdev_region()
112 name, baseminor, baseminor + minorct - 1, 0, MINORMASK); in __register_chrdev_region()
/linux-6.15/drivers/rpmsg/
H A Drpmsg_ctrl.c31 #define RPMSG_DEV_MAX (MINORMASK + 1)
H A Drpmsg_char.c32 #define RPMSG_DEV_MAX (MINORMASK + 1)
/linux-6.15/drivers/ptp/
H A Dptp_clock.c529 unregister_chrdev_region(ptp_devt, MINORMASK + 1); in ptp_exit()
543 err = alloc_chrdev_region(&ptp_devt, 0, MINORMASK + 1, "ptp"); in ptp_init()
/linux-6.15/drivers/misc/uacce/
H A Duacce.c633 ret = alloc_chrdev_region(&uacce_devt, 0, MINORMASK, UACCE_NAME); in uacce_init()
642 unregister_chrdev_region(uacce_devt, MINORMASK); in uacce_exit()
/linux-6.15/drivers/soc/qcom/
H A Drmtfs_mem.c19 #define QCOM_RMTFS_MEM_DEV_MAX (MINORMASK + 1)
/linux-6.15/block/
H A Dgenhd.c448 if (disk->first_minor > MINORMASK || in add_disk_fwnode()
449 disk->minors > MINORMASK + 1 || in add_disk_fwnode()
450 disk->first_minor + disk->minors > MINORMASK + 1) in add_disk_fwnode()
/linux-6.15/drivers/mtd/
H A Dmtd_blkdevs.c314 if (new->devnum > (MINORMASK >> tr->part_bits) || in add_mtd_blktrans_dev()
/linux-6.15/drivers/i2c/
H A Di2c-dev.c49 #define I2C_MINORS (MINORMASK + 1)
/linux-6.15/drivers/fpga/
H A Ddfl.c603 MINORMASK + 1); in dfl_chardev_uinit()
614 MINORMASK + 1, dfl_chrdevs[i].name); in dfl_chardev_init()
/linux-6.15/drivers/misc/mei/
H A Dmain.c35 #define MEI_MAX_DEVS MINORMASK
/linux-6.15/drivers/firewire/
H A Dcore-device.c1090 ret = xa_alloc(&fw_device_xa, &minor, device, XA_LIMIT(0, MINORMASK), GFP_KERNEL); in fw_device_init()
/linux-6.15/drivers/block/
H A Dsunvdc.c980 if ((vdev->dev_no << PARTITION_SHIFT) & ~(u64)MINORMASK) { in vdc_port_probe()
H A Dnbd.c1924 (MINORMASK >> part_shift) + 1, GFP_KERNEL); in nbd_dev_add()
2071 if (index < 0 || index > MINORMASK >> part_shift) { in nbd_genl_connect()

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