diff options
Diffstat (limited to 'archive/sg_err.h')
| -rw-r--r-- | archive/sg_err.h | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/archive/sg_err.h b/archive/sg_err.h index ef57b5ce..886bac29 100644 --- a/archive/sg_err.h +++ b/archive/sg_err.h @@ -3,7 +3,7 @@ /* Feel free to copy and modify this GPL-ed code into your applications. */ -/* Version 0.90 (20030519) +/* Version 0.93 (20040708) */ @@ -131,6 +131,16 @@ extern int sg_chk_n_print(const char * leadin, int masked_status, struct sg_io_hdr; extern int sg_chk_n_print3(const char * leadin, struct sg_io_hdr * hp); +/* If no sense data returns 0 and places 0 in *response_code (if non-NULL) + and *sense_key (if non-NULL). If sense data found returns 1 and outputs + to *response_code, *sense_key, *asc and *ascq (those that are non-NULL). + Understands both descriptor and fixed sense data format. */ +extern int sg_decode_sense(const struct sg_io_hdr * hp, + unsigned char * response_code, + unsigned char * sense_key, + unsigned char * asc, + unsigned char * ascq); + /* The following "category" function returns one of the following */ #define SG_ERR_CAT_CLEAN 0 /* No errors or other information */ @@ -153,10 +163,21 @@ extern int sg_err_category_new(int scsi_status, int host_status, Only version 3 sg_err.c defines it. */ extern int sg_err_category3(struct sg_io_hdr * hp); -/* Returns length of SCSI command given the opcode (first byte) */ +/* Returns length of SCSI command given the opcode (first byte). + Yields the wrong answer for variable length commands (opcode=0x7f) + and potentially some vendor specific commands. */ extern int sg_get_command_size(unsigned char opcode); -extern void sg_get_command_name(unsigned char opcode, int buff_len, - char * buff); +/* Command name given pointer to command bytes. Certain command names + depend on the service action within the command as well. */ +extern void sg_get_command_name(const unsigned char * cmdp, int peri_type, + int buff_len, char * buff); + +/* Opcode name given only the first byte (byte 0) of a command */ +extern void sg_get_opcode_name(unsigned char cmd_byte0, int peri_type, + int buff_len, char * buff); +/* Command name given opcode (byte 0) and service action of a command */ +extern void sg_get_opcode_sa_name(unsigned char cmd_byte0, int service_action, + int peri_type, int buff_len, char * buff); #endif |