diff options
Diffstat (limited to 'include/sg_cmds_extra.h')
| -rw-r--r-- | include/sg_cmds_extra.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/sg_cmds_extra.h b/include/sg_cmds_extra.h index 2dedf21e..fbc23773 100644 --- a/include/sg_cmds_extra.h +++ b/include/sg_cmds_extra.h @@ -349,6 +349,19 @@ int sg_ll_3party_copy_out(int sg_fd, int sa, unsigned int list_id, int group_num, int timeout_secs, void * paramp, int param_len, bool noisy, int verbose); +/* Invokes a SCSI PRE-FETCH(10), PRE-FETCH(16) or SEEK(10) command (SBC). + * Returns 0 -> success, 25 (SG_LIB_CAT_CONDITION_MET), various SG_LIB_CAT_* + * positive values or -1 -> other errors. Note that CONDITION MET status + * is returned when immed=true and num_blocks can fit in device's cache, + * somewaht strangely, GOOD status (return 0) is returned if num_blocks + * cannot fit in device's cache. If do_seek10==true then does a SEEK(10) + * command with given lba, if that LBA is < 2**32 . Unclear what SEEK(10) + * does, assume it is like PRE-FETCH. If timeout_secs is 0 (or less) then + * use DEF_PT_TIMEOUT (60 seconds) as command timeout. */ +int sg_ll_pre_fetch_x(int sg_fd, bool do_seek10, bool cdb16, bool immed, + uint64_t lba, uint32_t num_blocks, int group_num, + int timeout_secs, bool noisy, int verbose); + #ifdef __cplusplus } #endif |