root / lab4 / .minix-src / include / minix / dmap.h @ 14
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#ifndef _DMAP_H
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#define _DMAP_H
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#include <minix/sys_config.h> |
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#include <minix/ipc.h> |
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/*===========================================================================*
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* Major and minor device numbers *
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*===========================================================================*/
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/* Major device numbers. */
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/* Note that NO_DEV is major 0, minor 0, and means "no device". In contrast,
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* NONE_MAJOR is used for file systems that do not have backing device (but are
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* mounted on device 'none'). For administrative purposes, these file systems
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* need to be assigned a pseudo device, and such pseudo devices are allocated
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* with major number NONE_MAJOR. Because of NO_DEV, the NONE_MAJOR devices
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* start from minor number 1. Otherwise, NONE_MAJOR is completely independent
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* from NO_DEV, and it should be possible to set NONE_MAJOR to a nonzero value!
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*/
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#define NONE_MAJOR 0 /* 0 = pseudo device for 'none' FSes */ |
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#define MEMORY_MAJOR 1 /* 1 = /dev/mem (memory devices) */ |
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#define FLOPPY_MAJOR 2 /* 2 = /dev/fd0 (floppy disks) */ |
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/* 3 = /dev/c0 */
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#define TTY_MAJOR 4 /* 4 = /dev/tty00 (ttys) */ |
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#define CTTY_MAJOR 5 /* 5 = /dev/tty */ |
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#define PRINTER_MAJOR 6 /* 6 = /dev/lp (printer driver) */ |
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#define TCPIP_MAJOR 7 /* 7 = /dev/bpf (TCP/IP service) */ |
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/* 8 = /dev/c1 */
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#define PTY_MAJOR 9 /* 9 = /dev/ptyp0 (pty driver) */ |
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/* 10 = /dev/c2 */
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#define FILTER_MAJOR 11 /* 11 = /dev/filter (filter driver) */ |
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/* 12 = /dev/c3 */
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#define AUDIO_MAJOR 13 /* 13 = /dev/audio (audio driver) */ |
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#define FBD_MAJOR 14 /* 14 = /dev/fbd (faulty block dev)*/ |
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#define LOG_MAJOR 15 /* 15 = /dev/klog (log driver) */ |
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#define RANDOM_MAJOR 16 /* 16 = /dev/random (random driver) */ |
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#define HELLO_MAJOR 17 /* 17 = /dev/hello (hello driver) */ |
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/* 18 = (unused) */
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#define FB_MAJOR 19 /* 19 = /dev/fb0 (fb driver) */ |
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#define I2C0_MAJOR 20 /* 20 = /dev/i2c-1 (i2c-dev) */ |
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#define I2C1_MAJOR 21 /* 21 = /dev/i2c-2 (i2c-dev) */ |
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#define I2C2_MAJOR 22 /* 22 = /dev/i2c-3 (i2c-dev) */ |
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#define EEPROMB1S50_MAJOR 23 /* 23 = /dev/eepromb1s50 (cat24c256) */ |
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#define EEPROMB1S51_MAJOR 24 /* 24 = /dev/eepromb1s51 (cat24c256) */ |
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#define EEPROMB1S52_MAJOR 25 /* 25 = /dev/eepromb1s52 (cat24c256) */ |
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#define EEPROMB1S53_MAJOR 26 /* 26 = /dev/eepromb1s53 (cat24c256) */ |
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#define EEPROMB1S54_MAJOR 27 /* 27 = /dev/eepromb1s54 (cat24c256) */ |
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#define EEPROMB1S55_MAJOR 28 /* 28 = /dev/eepromb1s55 (cat24c256) */ |
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#define EEPROMB1S56_MAJOR 29 /* 29 = /dev/eepromb1s56 (cat24c256) */ |
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#define EEPROMB1S57_MAJOR 30 /* 30 = /dev/eepromb1s57 (cat24c256) */ |
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#define EEPROMB2S50_MAJOR 31 /* 31 = /dev/eepromb2s50 (cat24c256) */ |
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#define EEPROMB2S51_MAJOR 32 /* 32 = /dev/eepromb2s51 (cat24c256) */ |
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#define EEPROMB2S52_MAJOR 33 /* 33 = /dev/eepromb2s52 (cat24c256) */ |
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#define EEPROMB2S53_MAJOR 34 /* 34 = /dev/eepromb2s53 (cat24c256) */ |
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#define EEPROMB2S54_MAJOR 35 /* 35 = /dev/eepromb2s54 (cat24c256) */ |
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#define EEPROMB2S55_MAJOR 36 /* 36 = /dev/eepromb2s55 (cat24c256) */ |
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#define EEPROMB2S56_MAJOR 37 /* 37 = /dev/eepromb2s56 (cat24c256) */ |
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#define EEPROMB2S57_MAJOR 38 /* 38 = /dev/eepromb2s57 (cat24c256) */ |
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#define EEPROMB3S50_MAJOR 39 /* 39 = /dev/eepromb3s50 (cat24c256) */ |
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#define EEPROMB3S51_MAJOR 40 /* 40 = /dev/eepromb3s51 (cat24c256) */ |
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#define EEPROMB3S52_MAJOR 41 /* 41 = /dev/eepromb3s52 (cat24c256) */ |
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#define EEPROMB3S53_MAJOR 42 /* 42 = /dev/eepromb3s53 (cat24c256) */ |
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#define EEPROMB3S54_MAJOR 43 /* 43 = /dev/eepromb3s54 (cat24c256) */ |
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#define EEPROMB3S55_MAJOR 44 /* 44 = /dev/eepromb3s55 (cat24c256) */ |
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#define EEPROMB3S56_MAJOR 45 /* 45 = /dev/eepromb3s56 (cat24c256) */ |
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#define EEPROMB3S57_MAJOR 46 /* 46 = /dev/eepromb3s57 (cat24c256) */ |
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#define TSL2550B1S39_MAJOR 47 /* 47 = /dev/tsl2550b1s39 (tsl2550) */ |
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#define TSL2550B2S39_MAJOR 48 /* 48 = /dev/tsl2550b2s39 (tsl2550) */ |
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#define TSL2550B3S39_MAJOR 49 /* 49 = /dev/tsl2550b3s39 (tsl2550) */ |
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#define SHT21B1S40_MAJOR 50 /* 50 = /dev/sht21b1s40 (sht21) */ |
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#define SHT21B2S40_MAJOR 51 /* 51 = /dev/sht21b2s40 (sht21) */ |
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#define SHT21B3S40_MAJOR 52 /* 52 = /dev/sht21b3s40 (sht21) */ |
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#define BMP085B1S77_MAJOR 53 /* 53 = /dev/bmp085b1s77 (bmp085) */ |
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#define BMP085B2S77_MAJOR 54 /* 54 = /dev/bmp085b2s77 (bmp085) */ |
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#define BMP085B3S77_MAJOR 55 /* 55 = /dev/bmp085b3s77 (bmp085) */ |
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/* 56-63 = /dev/vnd[0-7] (vnd) */
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#define INPUT_MAJOR 64 /* 64 = /dev/input (input) */ |
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#define USB_BASE_MAJOR 65 /* 65-133 = USB major range */ |
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#define PCI_MAJOR 134 /* 134 = /dev/pci (pci) */ |
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#define NR_DEVICES 135 /* number of (major) devices */ |
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/* Minor device numbers for memory driver. */
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# define RAM_DEV_OLD 0 /* minor device for /dev/ram */ |
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# define MEM_DEV 1 /* minor device for /dev/mem */ |
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# define KMEM_DEV 2 /* minor device for /dev/kmem */ |
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# define NULL_DEV 3 /* minor device for /dev/null */ |
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# define BOOT_DEV 4 /* minor device for /dev/boot */ |
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# define ZERO_DEV 5 /* minor device for /dev/zero */ |
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# define IMGRD_DEV 6 /* minor device for /dev/imgrd */ |
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# define RAM_DEV_FIRST 7 /* first minor device for /dev/ram* */ |
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/* Minor device numbers for the TTY driver. */
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# define CONS_MINOR 0 /* console device */ |
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/* Minor device numbers for the PTY driver. */
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# define UNIX98_MINOR 256 /* Base number of UNIX98 PTYs, which |
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* are allocated in (master,slave)
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* pairs: 256=master#0, 257=slave#0,
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* 258=master#1, 259=slave#1, etc.
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* This logic is shared between the
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* PTY service and libc devname(3).
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*/
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#define CTRLR(n) ((n)==0 ? 3 : (8 + 2*((n)-1))) /* magic formula */ |
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/* Minor device numbers for log driver. */
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# define IS_KLOG_DEV 0 /* minor device for /dev/klog */ |
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/* Full device numbers that are special to the boot monitor and FS. */
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# define DEV_RAM ((dev_t) 0x0100) /* device number of /dev/ram */ |
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# define DEV_IMGRD ((dev_t) 0x0106) /* device number of /dev/imgrd */ |
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#endif /* _DMAP_H */ |