#ifndef SG_IO_LINUX_H #define SG_IO_LINUX_H /* * Copyright (c) 2004-2012 Douglas Gilbert. * All rights reserved. * Use of this source code is governed by a BSD-style * license that can be found in the BSD_LICENSE file. */ /* * Version 1.03 [20120914] */ /* * This header file contains linux specific information related to the SCSI * command pass through in the SCSI generic (sg) driver and the linux * block layer. */ #include "sg_lib.h" #include "sg_linux_inc.h" #ifdef __cplusplus extern "C" { #endif /* The following are 'host_status' codes */ #ifndef DID_OK #define DID_OK 0x00 #endif #ifndef DID_NO_CONNECT #define DID_NO_CONNECT 0x01 /* Unable to connect before timeout */ #define DID_BUS_BUSY 0x02 /* Bus remain busy until timeout */ #define DID_TIME_OUT 0x03 /* Timed out for some other reason */ #define DID_BAD_TARGET 0x04 /* Bad target (id?) */ #define DID_ABORT 0x05 /* Told to abort for some other reason */ #define DID_PARITY 0x06 /* Parity error (on SCSI bus) */ #define DID_ERROR 0x07 /* Internal error */ #define DID_RESET 0x08 /* Reset by somebody */ #define DID_BAD_INTR 0x09 /* Received an unexpected interrupt */ #define DID_PASSTHROUGH 0x0a /* Force command past mid-level */ #define DID_SOFT_ERROR 0x0b /* The low-level driver wants a retry */ #endif #ifndef DID_IMM_RETRY #define DID_IMM_RETRY 0x0c /* Retry without decrementing retry count */ #endif #ifndef DID_REQUEUE #define DID_REQUEUE 0x0d /* Requeue command (no immediate retry) also * without decrementing the retry count */ #endif #ifndef DID_TRANSPORT_DISRUPTED #define DID_TRANSPORT_DISRUPTED 0xe #endif #ifndef DID_TRANSPORT_FAILFAST #define DID_TRANSPORT_FAILFAST 0xf #endif #ifndef DID_TARGET_FAILURE #define DID_TARGET_FAILURE 0x10 #endif #ifndef DID_NEXUS_FAILURE #define DID_NEXUS_FAILURE 0x11 #endif /* These defines are to isolate applications from kernel define changes */ #define SG_LIB_DID_OK DID_OK #define SG_LIB_DID_NO_CONNECT DID_NO_CONNECT #define SG_LIB_DID_BUS_BUSY DID_BUS_BUSY #define SG_LIB_DID_TIME_OUT DID_TIME_OUT #define SG_LIB_DID_BAD_TARGET DID_BAD_TARGET #define SG_LIB_DID_ABORT DID_ABORT #define SG_LIB_DID_PARITY DID_PARITY #define SG_LIB_DID_ERROR DID_ERROR #define SG_LIB_DID_RESET DID_RESET #define SG_LIB_DID_BAD_INTR DID_BAD_INTR #define SG_LIB_DID_PASSTHROUGH DID_PASSTHROUGH #define SG_LIB_DID_SOFT_ERROR DID_SOFT_ERROR #define SG_LIB_DID_IMM_RETRY DID_IMM_RETRY #define SG_LIB_DID_REQUEUE DID_REQUEUE #define SG_LIB_TRANSPORT_DISRUPTED DID_TRANSPORT_DISRUPTED #define SG_LIB_DID_TRANSPORT_FAILFAST DID_TRANSPORT_FAILFAST #define SG_LIB_DID_TARGET_FAILURE DID_TARGET_FAILURE #define SG_LIB_DID_NEXUS_FAILURE DID_NEXUS_FAILURE /* The following are 'driver_status' codes */ #ifndef DRIVER_OK #define DRIVER_OK 0x00 #endif #ifndef DRIVER_BUSY #define DRIVER_BUSY 0x01 #define DRIVER_SOFT 0x02 #define DRIVER_MEDIA 0x03 #define DRIVER_ERROR 0x04 #define DRIVER_INVALID 0x05 #define DRIVER_TIMEOUT 0x06 #define DRIVER_HARD 0x07 #define DRIVER_SENSE 0x08 /* Sense_buffer has been set */ /* Following "suggests" are "or-ed" with one of previous 8 entries */ #define SUGGEST_RETRY 0x10 #define SUGGEST_ABORT 0x20 #define SUGGEST_REMAP 0x30 #define SUGGEST_DIE 0x40 #define SUGGEST_SENSE 0x80 #define SUGGEST_IS_OK 0xff #endif #ifndef DRIVER_MASK #define DRIVER_MASK 0x0f #endif #ifndef SUGGEST_MASK #define SUGGEST_MASK 0xf0 #endif /* These defines are to isolate applications from kernel define changes */ #define SG_LIB_DRIVER_OK DRIVER_OK #define SG_LIB_DRIVER_BUSY DRIVER_BUSY #define SG_LIB_DRIVER_SOFT DRIVER_SOFT #define SG_LIB_DRIVER_MEDIA DRIVER_MEDIA #define SG_LIB_DRIVER_ERROR DRIVER_ERROR #define SG_LIB_DRIVER_INVALID DRIVER_INVALID #define SG_LIB_DRIVER_TIMEOUT DRIVER_TIMEOUT #define SG_LIB_DRIVER_HARD DRIVER_HARD #define SG_LIB_DRIVER_SENSE DRIVER_SENSE #define SG_LIB_SUGGEST_RETRY SUGGEST_RETRY #define SG_LIB_SUGGEST_ABORT SUGGEST_ABORT #define SG_LIB_SUGGEST_REMAP SUGGEST_REMAP #define SG_LIB_SUGGEST_DIE SUGGEST_DIE #define SG_LIB_SUGGEST_SENSE SUGGEST_SENSE #define SG_LIB_SUGGEST_IS_OK SUGGEST_IS_OK #define SG_LIB_DRIVER_MASK DRIVER_MASK #define SG_LIB_SUGGEST_MASK SUGGEST_MASK extern void sg_print_masked_status(int masked_status); extern void sg_print_host_status(int host_status); extern void sg_print_driver_status(int driver_status); /* sg_chk_n_print() returns 1 quietly if there are no errors/warnings else it prints errors/warnings (prefixed by 'leadin') to 'sg_warnings_fd' and returns 0. raw_sinfo indicates whether the raw sense buffer (in ASCII hex) should be printed. */ extern int sg_chk_n_print(const char * leadin, int masked_status, int host_status, int driver_status, const unsigned char * sense_buffer, int sb_len, int raw_sinfo); /* The following function declaration is for the sg version 3 driver. */ struct sg_io_hdr; /* sg_chk_n_print3() returns 1 quietly if there are no errors/warnings; else it prints errors/warnings (prefixed by 'leadin') to 'sg_warnings_fd' and returns 0. */ extern int sg_chk_n_print3(const char * leadin, struct sg_io_hdr * hp, int raw_sinfo); /* Calls sg_scsi_normalize_sense() after obtaining the sense buffer and its length from the struct sg_io_hdr pointer. If these cannot be obtained, 0 is returned. */ extern int sg_normalize_sense(const struct sg_io_hdr * hp, struct sg_scsi_sense_hdr * sshp); extern int sg_err_category(int masked_status, int host_status, int driver_status, const unsigned char * sense_buffer, int sb_len); extern int sg_err_category_new(int scsi_status, int host_status, int driver_status, const unsigned char * sense_buffer, int sb_len); /* The following function declaration is for the sg version 3 driver. */ extern int sg_err_category3(struct sg_io_hdr * hp); /* Note about SCSI status codes found in older versions of Linux. Linux has traditionally used a 1 bit right shifted and masked version of SCSI standard status codes. Now CHECK_CONDITION and friends (in ) are deprecated. */ #ifdef __cplusplus } #endif #endif