diff options
| -rw-r--r-- | ChangeLog | 15 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/Dist | 1 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/Makefile | 4 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/scsi/scsi.h | 3 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/scsi/scsi_ioctl.h | 34 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/scsi/sg.h | 150 |
6 files changed, 185 insertions, 22 deletions
diff --git a/ChangeLog b/ChangeLog index 9b0bfbb59c..34b9b75db9 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,18 @@ +1999-11-07 Andreas Jaeger <aj@suse.de> + + * sysdeps/unix/sysv/linux/scsi/scsi_ioctl.h: New file with some + defines from Linux scsi_ioctl.h header. + + * sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Added + scsi_ioctl.h. + * sysdeps/unix/sysv/linux/Dist: Likewise. + + * sysdeps/unix/sysv/linux/scsi/sg.h: Synced with Linux 2.3.26; + pretty printed. + + * sysdeps/unix/sysv/linux/scsi/scsi.h (TYPE_ENCLOSURE): Added to + sync with Linux 2.3.26. + 1999-11-17 Andreas Jaeger <aj@suse.de> * shlib-versions: Allow mipsel for libm. diff --git a/sysdeps/unix/sysv/linux/Dist b/sysdeps/unix/sysv/linux/Dist index 9cfcdbec04..b4d8a7565c 100644 --- a/sysdeps/unix/sysv/linux/Dist +++ b/sysdeps/unix/sysv/linux/Dist @@ -52,6 +52,7 @@ rt_sigtimedwait.c sa_len.c scsi/sg.h scsi/scsi.h +scsi/scsi_ioctl.h sys/acct.h sys/fsuid.h sys/io.h diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile index 974b4ff20c..4d7594d1ec 100644 --- a/sysdeps/unix/sysv/linux/Makefile +++ b/sysdeps/unix/sysv/linux/Makefile @@ -20,8 +20,8 @@ sysdep_headers += sys/mount.h sys/acct.h sys/sysctl.h \ sys/user.h sys/procfs.h sys/prctl.h \ sys/kd.h sys/soundcard.h sys/vt.h \ sys/quota.h sys/fsuid.h \ - scsi/sg.h scsi/scsi.h sys/pci.h sys/ultrasound.h \ - sys/sendfile.h sys/raw.h + scsi/sg.h scsi/scsi.h scsi/scsi_ioctl.h sys/pci.h \ + sys/ultrasound.h sys/sendfile.h sys/raw.h install-others += $(inst_includedir)/bits/syscall.h diff --git a/sysdeps/unix/sysv/linux/scsi/scsi.h b/sysdeps/unix/sysv/linux/scsi/scsi.h index 10dd10bca6..92d46be20f 100644 --- a/sysdeps/unix/sysv/linux/scsi/scsi.h +++ b/sysdeps/unix/sysv/linux/scsi/scsi.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1998 Free Software Foundation, Inc. +/* Copyright (C) 1998, 1999 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -145,6 +145,7 @@ #define TYPE_MOD 0x07 /* Magneto-optical disk - * - treated as TYPE_DISK */ #define TYPE_MEDIUM_CHANGER 0x08 +#define TYPE_ENCLOSURE 0x0d /* Enclosure Services Device */ #define TYPE_NO_LUN 0x7f /* diff --git a/sysdeps/unix/sysv/linux/scsi/scsi_ioctl.h b/sysdeps/unix/sysv/linux/scsi/scsi_ioctl.h new file mode 100644 index 0000000000..bc99318387 --- /dev/null +++ b/sysdeps/unix/sysv/linux/scsi/scsi_ioctl.h @@ -0,0 +1,34 @@ +/* Copyright (C) 1999 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _SCSI_IOCTL_H +#define _SCSI_IOCTL_H + +/* IOCTLs for SCSI. */ +#define SCSI_IOCTL_SEND_COMMAND 1 /* Send a command to the SCSI host. */ +#define SCSI_IOCTL_TEST_UNIT_READY 2 /* Test if unit is ready. */ +#define SCSI_IOCTL_BENCHMARK_COMMAND 3 +#define SCSI_IOCTL_SYNC 4 /* Request synchronous parameters. */ +#define SCSI_IOCTL_START_UNIT 5 +#define SCSI_IOCTL_STOP_UNIT 6 +#define SCSI_IOCTL_DOORLOCK 0x5380 /* Lock the eject mechanism. */ +#define SCSI_IOCTL_DOORUNLOCK 0x5381 /* Unlock the mechanism. */ + +#endif + + diff --git a/sysdeps/unix/sysv/linux/scsi/sg.h b/sysdeps/unix/sysv/linux/scsi/sg.h index ae7b2cf42d..59e031069e 100644 --- a/sysdeps/unix/sysv/linux/scsi/sg.h +++ b/sysdeps/unix/sysv/linux/scsi/sg.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1997, 1998 Free Software Foundation, Inc. +/* Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -32,30 +32,142 @@ are then read using the read call. The same header is used for replies; ignore the reply_len field. */ +#define SG_MAX_SENSE 16 + struct sg_header { - int pack_len; /* length of incoming packet - (including header). */ - int reply_len; /* max length of expected reply. */ - int pack_id; /* id number of packet. */ - int result; /* 0==ok, otherwise error number. */ - unsigned int twelve_byte:1; /* force 12 byte command length for - group 6 & 7 commands. */ - unsigned int other_flags:31; /* for future use. */ - unsigned char sense_buffer[16]; /* used only by reads. */ - /* command follows then data for command. */ + /* Length of incoming packet (including header). */ + int pack_len; + /* Maximal length of expected reply. */ + int reply_len; + /* Id number of packet. */ + int pack_id; + /* 0==ok, otherwise error number. */ + int result; + /* Force 12 byte command length for group 6 & 7 commands. */ + unsigned int twelve_byte:1; + /* SCSI status from target. */ + unsigned int target_status:5; + /* Host status (see "DID" codes). */ + unsigned int host_status:8; + /* Driver status+suggestion. */ + unsigned int driver_status:8; + /* Unused. */ + unsigned int other_flags:10; + /* Output in 3 cases: + when target_status is CHECK_CONDITION or + when target_status is COMMAND_TERMINATED or + when (driver_status & DRIVER_SENSE) is true. */ + unsigned char sense_buffer[SG_MAX_SENSE]; }; -/* ioctl's */ -#define SG_SET_TIMEOUT 0x2201 /* set timeout *(int *)arg==timeout */ -#define SG_GET_TIMEOUT 0x2202 /* get timeout return timeout */ +/* Request information about a specific SG device. */ +struct sg_scsi_id { + /* Host number as in "scsi<n>" where 'n' is one of 0, 1, 2 etc. */ + int host_no; + int channel; + /* SCSI id of target device. */ + int scsi_id; + int lun; + /* TYPE_... defined in <scsi/scsi.h>. */ + int scsi_type; + /* Host (adapter) maximum commands per lun. */ + short int h_cmd_per_lun; + /* Device (or adapter) maximum queue length. */ + short int d_queue_depth; + /* Unused, set to 0 for now. */ + int unused1; + /* Unused, set to 0 for now. */ + int unused2; +}; + +/* Ioctl's */ +#define SG_SET_TIMEOUT 0x2201 /* Set timeout; *(int *)arg==timeout. */ +#define SG_GET_TIMEOUT 0x2202 /* Get timeout; return timeout. */ + +#define SG_EMULATED_HOST 0x2203 /* True for emulated host adapter (ATAPI). */ + +/* Used to configure SCSI command transformation layer for ATAPI devices. */ +#define SG_SET_TRANSFORM 0x2204 +#define SG_GET_TRANSFORM 0x2205 + +#define SG_SET_RESERVED_SIZE 0x2275 /* Request a new reserved buffer size. */ +#define SG_GET_RESERVED_SIZE 0x2272 /* Get actual size of reserved buffer */ + +/* The following ioctl takes a 'sg_scsi_id *' object as its 3rd argument. */ +#define SG_GET_SCSI_ID 0x2276 /* Yields fd's bus, chan, dev, lun + type + SCSI id information can also be obtained + from SCSI_IOCTL_GET_IDLUN. */ + +/* Override host setting and always DMA using low memory ( <16MB on i386). */ +#define SG_SET_FORCE_LOW_DMA 0x2279 /* 0-> use adapter setting, 1-> force */ +#define SG_GET_LOW_DMA 0x227a /* 0-> use all ram for dma; 1-> low dma ram */ + +/* If SG_SET_FORCE_PACK_ID is set to 1, pack_id is input to read() which + will attempt to read that pack_id or block (or return EAGAIN). If + pack_id is -1 then read oldest waiting. If SG_SET_FORCE_PACK_ID is + set to 0 then pack_id gets ignored by read() and the oldest + readable is fetched. */ +#define SG_SET_FORCE_PACK_ID 0x227b +#define SG_GET_PACK_ID 0x227c /* Yields oldest readable pack_id (or -1). */ + +#define SG_GET_NUM_WAITING 0x227d /* Number of commands awaiting read(). */ + +/* Turn on error sense trace (1..8), dump this device to log/console (9) + or dump all sg device states ( >9 ) to log/console. */ +#define SG_SET_DEBUG 0x227e /* 0 -> turn off debug */ + +/* Yields max scatter gather tablesize allowed by current host adapter. */ +#define SG_GET_SG_TABLESIZE 0x227F /* 0 implies can't do scatter gather */ + +/* Control whether sequencing per file descriptor or per device. */ +#define SG_GET_MERGE_FD 0x2274 /* 0-> per fd, 1-> per device */ +#define SG_SET_MERGE_FD 0x2273 /* Attempt to change sequencing state, + if more than current fd open on device, + will fail with EBUSY. */ + +/* Get/set command queuing state per fd (default is SG_DEF_COMMAND_Q). */ +#define SG_GET_COMMAND_Q 0x2270 /* Yields 0 (queuing off) or 1 (on). */ +#define SG_SET_COMMAND_Q 0x2271 /* Change queuing state with 0 or 1. */ + +/* Get/set whether DMA underrun will cause an error (DID_ERROR). Currently this + only applies to the [much-used] aic7xxx driver. */ +#define SG_GET_UNDERRUN_FLAG 0x2280 /* Yields 0 (don't flag) or 1 (flag). */ +#define SG_SET_UNDERRUN_FLAG 0x2281 /* Change flag underrun state. */ + +#define SG_GET_VERSION_NUM 0x2282 /* Example: version 2.1.34 yields 20134 */ +#define SG_NEXT_CMD_LEN 0x2283 /* Override SCSI command length with given + number on the next write() on this file + descriptor. */ + +/* Returns -EBUSY if occupied else takes as input: 0 -> do nothing, + 1 -> device reset or 2 -> bus reset (may not be activated yet). */ +#define SG_SCSI_RESET 0x2284 + + +/* Largest size (in bytes) a single scatter-gather list element can have. + The value must be a power of 2 and <= (PAGE_SIZE * 32) [131072 bytes on + i386]. The minimum value is PAGE_SIZE. If scatter-gather not supported + by adapter then this value is the largest data block that can be + read/written by a single scsi command. The user can find the value of + PAGE_SIZE by calling getpagesize() defined in <unistd.h>. */ +#define SG_SCATTER_SZ (8 * 4096) /* PAGE_SIZE is not available to user. */ + +#define SG_DEFAULT_TIMEOUT (60 * HZ) /* 1 minute timeout */ +#define SG_DEFAULT_RETRIES 1 -#define SG_DEFAULT_TIMEOUT (60*HZ) /* 1 minute timeout */ -#define SG_DEFAULT_RETRIES 1 +/* Defaults, commented if they differ from original sg driver */ +#define SG_DEF_COMMAND_Q 0 +#define SG_DEF_MERGE_FD 0 /* was 1 -> per device sequencing */ +#define SG_DEF_FORCE_LOW_DMA 0 /* was 1 -> memory below 16MB on i386 */ +#define SG_DEF_FORCE_PACK_ID 0 +#define SG_DEF_UNDERRUN_FLAG 0 +#define SG_DEF_RESERVED_SIZE SG_SCATTER_SZ -#define SG_MAX_QUEUE 4 /* maximum outstanding request, arbitrary, may be - changed if sufficient DMA buffer room available. */ +#define SG_MAX_QUEUE 16 /* Maximum outstanding request, arbitrary, + may be changed if sufficient DMA buffer + room available. */ -#define SG_BIG_BUFF 32768 +#define SG_BIG_BUFF SG_DEF_RESERVED_SIZE /* for backward compatibility */ #endif /* scsi/sg.h */ |