135 static inline struct scsi_driver *scsi_cmd_to_driver(struct scsi_cmnd *cmd)  in scsi_cmd_to_driver()  argument
139 	if (!cmd->request->rq_disk)  in scsi_cmd_to_driver()
142 	sdp = (struct scsi_driver **)cmd->request->rq_disk->private_data;  in scsi_cmd_to_driver()
154 extern void scsi_finish_command(struct scsi_cmnd *cmd);
160 extern int scsi_init_io(struct scsi_cmnd *cmd, gfp_t gfp_mask);
161 extern void scsi_release_buffers(struct scsi_cmnd *cmd);
163 extern int scsi_dma_map(struct scsi_cmnd *cmd);
164 extern void scsi_dma_unmap(struct scsi_cmnd *cmd);
167 void scsi_free_command(gfp_t gfp_mask, struct scsi_cmnd *cmd);
169 static inline unsigned scsi_sg_count(struct scsi_cmnd *cmd)  in scsi_sg_count()  argument
171 	return cmd->sdb.table.nents;  in scsi_sg_count()
174 static inline struct scatterlist *scsi_sglist(struct scsi_cmnd *cmd)  in scsi_sglist()  argument
176 	return cmd->sdb.table.sgl;  in scsi_sglist()
179 static inline unsigned scsi_bufflen(struct scsi_cmnd *cmd)  in scsi_bufflen()  argument
181 	return cmd->sdb.length;  in scsi_bufflen()
184 static inline void scsi_set_resid(struct scsi_cmnd *cmd, int resid)  in scsi_set_resid()  argument
186 	cmd->sdb.resid = resid;  in scsi_set_resid()
189 static inline int scsi_get_resid(struct scsi_cmnd *cmd)  in scsi_get_resid()  argument
191 	return cmd->sdb.resid;  in scsi_get_resid()
194 #define scsi_for_each_sg(cmd, sg, nseg, __i)			\  argument
195 	for_each_sg(scsi_sglist(cmd), sg, nseg, __i)
197 static inline int scsi_bidi_cmnd(struct scsi_cmnd *cmd)  in scsi_bidi_cmnd()  argument
199 	return blk_bidi_rq(cmd->request) &&  in scsi_bidi_cmnd()
200 		(cmd->request->next_rq->special != NULL);  in scsi_bidi_cmnd()
203 static inline struct scsi_data_buffer *scsi_in(struct scsi_cmnd *cmd)  in scsi_in()  argument
205 	return scsi_bidi_cmnd(cmd) ?  in scsi_in()
206 		cmd->request->next_rq->special : &cmd->sdb;  in scsi_in()
209 static inline struct scsi_data_buffer *scsi_out(struct scsi_cmnd *cmd)  in scsi_out()  argument
211 	return &cmd->sdb;  in scsi_out()
214 static inline int scsi_sg_copy_from_buffer(struct scsi_cmnd *cmd,  in scsi_sg_copy_from_buffer()  argument
217 	return sg_copy_from_buffer(scsi_sglist(cmd), scsi_sg_count(cmd),  in scsi_sg_copy_from_buffer()
221 static inline int scsi_sg_copy_to_buffer(struct scsi_cmnd *cmd,  in scsi_sg_copy_to_buffer()  argument
224 	return sg_copy_to_buffer(scsi_sglist(cmd), scsi_sg_count(cmd),  in scsi_sg_copy_to_buffer()
287 static inline unsigned scsi_prot_sg_count(struct scsi_cmnd *cmd)  in scsi_prot_sg_count()  argument
289 	return cmd->prot_sdb ? cmd->prot_sdb->table.nents : 0;  in scsi_prot_sg_count()
292 static inline struct scatterlist *scsi_prot_sglist(struct scsi_cmnd *cmd)  in scsi_prot_sglist()  argument
294 	return cmd->prot_sdb ? cmd->prot_sdb->table.sgl : NULL;  in scsi_prot_sglist()
297 static inline struct scsi_data_buffer *scsi_prot(struct scsi_cmnd *cmd)  in scsi_prot()  argument
299 	return cmd->prot_sdb;  in scsi_prot()
302 #define scsi_for_each_prot_sg(cmd, sg, nseg, __i)		\  argument
303 	for_each_sg(scsi_prot_sglist(cmd), sg, nseg, __i)
305 static inline void set_msg_byte(struct scsi_cmnd *cmd, char status)  in set_msg_byte()  argument
307 	cmd->result = (cmd->result & 0xffff00ff) | (status << 8);  in set_msg_byte()
310 static inline void set_host_byte(struct scsi_cmnd *cmd, char status)  in set_host_byte()  argument
312 	cmd->result = (cmd->result & 0xff00ffff) | (status << 16);  in set_host_byte()
315 static inline void set_driver_byte(struct scsi_cmnd *cmd, char status)  in set_driver_byte()  argument
317 	cmd->result = (cmd->result & 0x00ffffff) | (status << 24);  in set_driver_byte()