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Merge branch 'late/fixes' into fixes
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / Documentation / zh_CN / magic-number.txt
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HW		 1Chinese translated version of Documentation/magic-number.txt
2
3If you have any comment or update to the content, please post to LKML directly.
4However, if you have problem communicating in English you can also ask the
5Chinese maintainer for help. Contact the Chinese maintainer, if this
6translation is outdated or there is problem with translation.
7
8Chinese maintainer: Jia Wei Wei <harryxiyou@gmail.com>
9---------------------------------------------------------------------
10Documentation/magic-number.txt的中文翻译
11
12如果想评论或更新本文的内容，请直接发信到LKML。如果你使用英文交流有困难的话，也可
13以向中文版维护者求助。如果本翻译更新不及时或者翻译存在问题，请联系中文版维护者。
14
15中文版维护者： 贾威威 Jia Wei Wei <harryxiyou@gmail.com>
16中文版翻译者： 贾威威 Jia Wei Wei <harryxiyou@gmail.com>
17中文版校译者： 贾威威 Jia Wei Wei <harryxiyou@gmail.com>
18
19以下为正文
20---------------------------------------------------------------------
21这个文件是有关当前使用的魔术值注册表。当你给一个结构添加了一个魔术值，你也应该把这个魔术值添加到这个文件，因为我们最好把用于各种结构的魔术值统一起来。
22
23使用魔术值来保护内核数据结构是一个非常好的主意。这就允许你在运行期检查(a)一个结构是否已经被攻击，或者(b)你已经给一个例行程序通过了一个错误的结构。后一种情况特别地有用---特别是当你通过一个空指针指向结构体的时候。tty源码，例如，经常通过特定驱动使用这种方法并且反复地排列特定方面的结构。
24
25使用魔术值的方法是在结构的开始处声明的，如下：
26
27struct tty_ldisc {
28 int magic;
29 ...
30};
31
32当你以后给内核添加增强功能的时候，请遵守这条规则！这样就会节省数不清的调试时间，特别是一些古怪的情况，例如，数组超出范围并且重新写了超出部分。遵守这个规则，‪这些情况可以被快速地，安全地避免。
33
34 Theodore Ts'o
35 31 Mar 94
36
37给当前的Linux 2.1.55添加魔术表。
38
39 Michael Chastain
40 <mailto:mec@shout.net>
41 22 Sep 1997
42
43现在应该最新的Linux 2.1.112.因为在特性冻结期间，不能在2.2.x前改变任何东西。这些条目被数域所排序。
44
45 Krzysztof G.Baranowski
46 <mailto: kgb@knm.org.pl>
47 29 Jul 1998
48
49更新魔术表到Linux 2.5.45。刚好越过特性冻结，但是有可能还会有一些新的魔术值在2.6.x之前融入到内核中。
50
51 Petr Baudis
52 <pasky@ucw.cz>
53 03 Nov 2002
54
55更新魔术表到Linux 2.5.74。
56
57 Fabian Frederick
58 <ffrederick@users.sourceforge.net>
59 09 Jul 2003
60
61魔术名 地址 结构 所在文件
62===========================================================================
63PG_MAGIC 'P' pg_{read,write}_hdr include/linux/pg.h
64CMAGIC 0x0111 user include/linux/a.out.h
65MKISS_DRIVER_MAGIC 0x04bf mkiss_channel drivers/net/mkiss.h
66RISCOM8_MAGIC 0x0907 riscom_port drivers/char/riscom8.h
67SPECIALIX_MAGIC 0x0907 specialix_port drivers/char/specialix_io8.h
68HDLC_MAGIC 0x239e n_hdlc drivers/char/n_hdlc.c
25eb650a 69APM_BIOS_MAGIC 0x4101 apm_user arch/x86/kernel/apm_32.c
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HW		 70CYCLADES_MAGIC 0x4359 cyclades_port include/linux/cyclades.h
71DB_MAGIC 0x4442 fc_info drivers/net/iph5526_novram.c
72DL_MAGIC 0x444d fc_info drivers/net/iph5526_novram.c
73FASYNC_MAGIC 0x4601 fasync_struct include/linux/fs.h
74FF_MAGIC 0x4646 fc_info drivers/net/iph5526_novram.c
75ISICOM_MAGIC 0x4d54 isi_port include/linux/isicom.h
76PTY_MAGIC 0x5001 drivers/char/pty.c
77PPP_MAGIC 0x5002 ppp include/linux/if_pppvar.h
78SERIAL_MAGIC 0x5301 async_struct include/linux/serial.h
79SSTATE_MAGIC 0x5302 serial_state include/linux/serial.h
80SLIP_MAGIC 0x5302 slip drivers/net/slip.h
81STRIP_MAGIC 0x5303 strip drivers/net/strip.c
82X25_ASY_MAGIC 0x5303 x25_asy drivers/net/x25_asy.h
83SIXPACK_MAGIC 0x5304 sixpack drivers/net/hamradio/6pack.h
84AX25_MAGIC 0x5316 ax_disp drivers/net/mkiss.h
85ESP_MAGIC 0x53ee esp_struct drivers/char/esp.h
86TTY_MAGIC 0x5401 tty_struct include/linux/tty.h
87MGSL_MAGIC 0x5401 mgsl_info drivers/char/synclink.c
88TTY_DRIVER_MAGIC 0x5402 tty_driver include/linux/tty_driver.h
89MGSLPC_MAGIC 0x5402 mgslpc_info drivers/char/pcmcia/synclink_cs.c
90TTY_LDISC_MAGIC 0x5403 tty_ldisc include/linux/tty_ldisc.h
91USB_SERIAL_MAGIC 0x6702 usb_serial drivers/usb/serial/usb-serial.h
3396c782 92FULL_DUPLEX_MAGIC 0x6969 drivers/net/ethernet/dec/tulip/de2104x.c
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HW		 93USB_BLUETOOTH_MAGIC 0x6d02 usb_bluetooth drivers/usb/class/bluetty.c
94RFCOMM_TTY_MAGIC 0x6d02 net/bluetooth/rfcomm/tty.c
95USB_SERIAL_PORT_MAGIC 0x7301 usb_serial_port drivers/usb/serial/usb-serial.h
96CG_MAGIC 0x00090255 ufs_cylinder_group include/linux/ufs_fs.h
97A2232_MAGIC 0x000a2232 gs_port drivers/char/ser_a2232.h
98RPORT_MAGIC 0x00525001 r_port drivers/char/rocket_int.h
99LSEMAGIC 0x05091998 lse drivers/fc4/fc.c
100GDTIOCTL_MAGIC 0x06030f07 gdth_iowr_str drivers/scsi/gdth_ioctl.h
101RIEBL_MAGIC 0x09051990 drivers/net/atarilance.c
102RIO_MAGIC 0x12345678 gs_port drivers/char/rio/rio_linux.c
103SX_MAGIC 0x12345678 gs_port drivers/char/sx.h
104NBD_REQUEST_MAGIC 0x12560953 nbd_request include/linux/nbd.h
105RED_MAGIC2 0x170fc2a5 (any) mm/slab.c
106BAYCOM_MAGIC 0x19730510 baycom_state drivers/net/baycom_epp.c
107ISDN_X25IFACE_MAGIC 0x1e75a2b9 isdn_x25iface_proto_data
108 drivers/isdn/isdn_x25iface.h
109ECP_MAGIC 0x21504345 cdkecpsig include/linux/cdk.h
110LSOMAGIC 0x27091997 lso drivers/fc4/fc.c
111LSMAGIC 0x2a3b4d2a ls drivers/fc4/fc.c
112WANPIPE_MAGIC 0x414C4453 sdla_{dump,exec} include/linux/wanpipe.h
113CS_CARD_MAGIC 0x43525553 cs_card sound/oss/cs46xx.c
114LABELCL_MAGIC 0x4857434c labelcl_info_s include/asm/ia64/sn/labelcl.h
115ISDN_ASYNC_MAGIC 0x49344C01 modem_info include/linux/isdn.h
116CTC_ASYNC_MAGIC 0x49344C01 ctc_tty_info drivers/s390/net/ctctty.c
117ISDN_NET_MAGIC 0x49344C02 isdn_net_local_s drivers/isdn/i4l/isdn_net_lib.h
118SAVEKMSG_MAGIC2 0x4B4D5347 savekmsg arch/*/amiga/config.c
119STLI_BOARDMAGIC 0x4bc6c825 stlibrd include/linux/istallion.h
120CS_STATE_MAGIC 0x4c4f4749 cs_state sound/oss/cs46xx.c
121SLAB_C_MAGIC 0x4f17a36d kmem_cache mm/slab.c
122COW_MAGIC 0x4f4f4f4d cow_header_v1 arch/um/drivers/ubd_user.c
123I810_CARD_MAGIC 0x5072696E i810_card sound/oss/i810_audio.c
124TRIDENT_CARD_MAGIC 0x5072696E trident_card sound/oss/trident.c
a786a7c0 125ROUTER_MAGIC 0x524d4157 wan_device [in wanrouter.h pre 3.9]
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HW		 126SCC_MAGIC 0x52696368 gs_port drivers/char/scc.h
127SAVEKMSG_MAGIC1 0x53415645 savekmsg arch/*/amiga/config.c
128GDA_MAGIC 0x58464552 gda arch/mips/include/asm/sn/gda.h
129RED_MAGIC1 0x5a2cf071 (any) mm/slab.c
130STL_PORTMAGIC 0x5a7182c9 stlport include/linux/stallion.h
131EEPROM_MAGIC_VALUE 0x5ab478d2 lanai_dev drivers/atm/lanai.c
132HDLCDRV_MAGIC 0x5ac6e778 hdlcdrv_state include/linux/hdlcdrv.h
133EPCA_MAGIC 0x5c6df104 channel include/linux/epca.h
134PCXX_MAGIC 0x5c6df104 channel drivers/char/pcxx.h
135KV_MAGIC 0x5f4b565f kernel_vars_s arch/mips/include/asm/sn/klkernvars.h
136I810_STATE_MAGIC 0x63657373 i810_state sound/oss/i810_audio.c
137TRIDENT_STATE_MAGIC 0x63657373 trient_state sound/oss/trident.c
138M3_CARD_MAGIC 0x646e6f50 m3_card sound/oss/maestro3.c
139FW_HEADER_MAGIC 0x65726F66 fw_header drivers/atm/fore200e.h
140SLOT_MAGIC 0x67267321 slot drivers/hotplug/cpqphp.h
141SLOT_MAGIC 0x67267322 slot drivers/hotplug/acpiphp.h
142LO_MAGIC 0x68797548 nbd_device include/linux/nbd.h
143OPROFILE_MAGIC 0x6f70726f super_block drivers/oprofile/oprofilefs.h
144M3_STATE_MAGIC 0x734d724d m3_state sound/oss/maestro3.c
145STL_PANELMAGIC 0x7ef621a1 stlpanel include/linux/stallion.h
146VMALLOC_MAGIC 0x87654320 snd_alloc_track sound/core/memory.c
147KMALLOC_MAGIC 0x87654321 snd_alloc_track sound/core/memory.c
148PWC_MAGIC 0x89DC10AB pwc_device drivers/usb/media/pwc.h
149NBD_REPLY_MAGIC 0x96744668 nbd_reply include/linux/nbd.h
150STL_BOARDMAGIC 0xa2267f52 stlbrd include/linux/stallion.h
151ENI155_MAGIC 0xa54b872d midway_eprom drivers/atm/eni.h
152SCI_MAGIC 0xbabeface gs_port drivers/char/sh-sci.h
153CODA_MAGIC 0xC0DAC0DA coda_file_info include/linux/coda_fs_i.h
154DPMEM_MAGIC 0xc0ffee11 gdt_pci_sram drivers/scsi/gdth.h
155STLI_PORTMAGIC 0xe671c7a1 stliport include/linux/istallion.h
156YAM_MAGIC 0xF10A7654 yam_port drivers/net/hamradio/yam.c
157CCB_MAGIC 0xf2691ad2 ccb drivers/scsi/ncr53c8xx.c
158QUEUE_MAGIC_FREE 0xf7e1c9a3 queue_entry drivers/scsi/arm/queue.c
159QUEUE_MAGIC_USED 0xf7e1cc33 queue_entry drivers/scsi/arm/queue.c
160HTB_CMAGIC 0xFEFAFEF1 htb_class net/sched/sch_htb.c
161NMI_MAGIC 0x48414d4d455201 nmi_s arch/mips/include/asm/sn/nmi.h
162
a9e73211 163请注意，在声音记忆管理中仍然有一些特殊的为每个驱动定义的魔术值。查看include/sound/sndmagic.h来获取他们完整的列表信息。很多OSS声音驱动拥有自己从声卡PCI ID构建的魔术值-他们也没有被列在这里。
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HW		 164
165IrDA子系统也使用了大量的自己的魔术值，查看include/net/irda/irda.h来获取他们完整的信息。
166
167HFS是另外一个比较大的使用魔术值的文件系统-你可以在fs/hfs/hfs.h中找到他们。
kernel source for telekom puls (alcatel/mediatek)