diff options
Diffstat (limited to 'include/scsi_emul.h')
| -rw-r--r-- | include/scsi_emul.h | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/include/scsi_emul.h b/include/scsi_emul.h index 13c3f860b40..d439f7c00c2 100644 --- a/include/scsi_emul.h +++ b/include/scsi_emul.h @@ -41,13 +41,20 @@ struct scsi_emul_info { enum scsi_cmd_phase phase; int buff_used; int read_len; + int write_len; uint seek_pos; int alloc_len; uint transfer_len; }; -/* Indicates that a read is being started */ -#define SCSI_EMUL_DO_READ 1 +/** + * Return value from sb_scsi_emul_command() indicates that a read or write is + * being started + */ +enum { + SCSI_EMUL_DO_READ = 1, + SCSI_EMUL_DO_WRITE = 2, +}; /** * sb_scsi_emul_command() - Process a SCSI command @@ -61,8 +68,9 @@ struct scsi_emul_info { * @info: Emulation information * @req: Request to process * @len: Length of request in bytes - * @return SCSI_EMUL_DO_READ if a read has started, 0 if some other operation - * has started, -ve if there was an error + * @return SCSI_EMUL_DO_READ if a read has started, SCSI_EMUL_DO_WRITE if a + * write has started, 0 if some other operation has started, -ve if there + * was an error */ int sb_scsi_emul_command(struct scsi_emul_info *info, const struct scsi_cmd *req, int len); |