147 static inline void *scsi_cmd_priv(struct scsi_cmnd *cmd)  in scsi_cmd_priv()  argument
149 	return cmd + 1;  in scsi_cmd_priv()
153 static inline struct scsi_driver *scsi_cmd_to_driver(struct scsi_cmnd *cmd)  in scsi_cmd_to_driver()  argument
155 	return *(struct scsi_driver **)cmd->request->rq_disk->private_data;  in scsi_cmd_to_driver()
160 extern void scsi_finish_command(struct scsi_cmnd *cmd);
166 extern int scsi_init_io(struct scsi_cmnd *cmd);
168 extern int scsi_dma_map(struct scsi_cmnd *cmd);
169 extern void scsi_dma_unmap(struct scsi_cmnd *cmd);
171 static inline unsigned scsi_sg_count(struct scsi_cmnd *cmd)  in scsi_sg_count()  argument
173 	return cmd->sdb.table.nents;  in scsi_sg_count()
176 static inline struct scatterlist *scsi_sglist(struct scsi_cmnd *cmd)  in scsi_sglist()  argument
178 	return cmd->sdb.table.sgl;  in scsi_sglist()
181 static inline unsigned scsi_bufflen(struct scsi_cmnd *cmd)  in scsi_bufflen()  argument
183 	return cmd->sdb.length;  in scsi_bufflen()
186 static inline void scsi_set_resid(struct scsi_cmnd *cmd, int resid)  in scsi_set_resid()  argument
188 	cmd->sdb.resid = resid;  in scsi_set_resid()
191 static inline int scsi_get_resid(struct scsi_cmnd *cmd)  in scsi_get_resid()  argument
193 	return cmd->sdb.resid;  in scsi_get_resid()
196 #define scsi_for_each_sg(cmd, sg, nseg, __i)			\  argument
197 	for_each_sg(scsi_sglist(cmd), sg, nseg, __i)
199 static inline int scsi_bidi_cmnd(struct scsi_cmnd *cmd)  in scsi_bidi_cmnd()  argument
201 	return blk_bidi_rq(cmd->request) &&  in scsi_bidi_cmnd()
202 		(cmd->request->next_rq->special != NULL);  in scsi_bidi_cmnd()
205 static inline struct scsi_data_buffer *scsi_in(struct scsi_cmnd *cmd)  in scsi_in()  argument
207 	return scsi_bidi_cmnd(cmd) ?  in scsi_in()
208 		cmd->request->next_rq->special : &cmd->sdb;  in scsi_in()
211 static inline struct scsi_data_buffer *scsi_out(struct scsi_cmnd *cmd)  in scsi_out()  argument
213 	return &cmd->sdb;  in scsi_out()
216 static inline int scsi_sg_copy_from_buffer(struct scsi_cmnd *cmd,  in scsi_sg_copy_from_buffer()  argument
219 	return sg_copy_from_buffer(scsi_sglist(cmd), scsi_sg_count(cmd),  in scsi_sg_copy_from_buffer()
223 static inline int scsi_sg_copy_to_buffer(struct scsi_cmnd *cmd,  in scsi_sg_copy_to_buffer()  argument
226 	return sg_copy_to_buffer(scsi_sglist(cmd), scsi_sg_count(cmd),  in scsi_sg_copy_to_buffer()
308 static inline unsigned scsi_prot_sg_count(struct scsi_cmnd *cmd)  in scsi_prot_sg_count()  argument
310 	return cmd->prot_sdb ? cmd->prot_sdb->table.nents : 0;  in scsi_prot_sg_count()
313 static inline struct scatterlist *scsi_prot_sglist(struct scsi_cmnd *cmd)  in scsi_prot_sglist()  argument
315 	return cmd->prot_sdb ? cmd->prot_sdb->table.sgl : NULL;  in scsi_prot_sglist()
318 static inline struct scsi_data_buffer *scsi_prot(struct scsi_cmnd *cmd)  in scsi_prot()  argument
320 	return cmd->prot_sdb;  in scsi_prot()
323 #define scsi_for_each_prot_sg(cmd, sg, nseg, __i)		\  argument
324 	for_each_sg(scsi_prot_sglist(cmd), sg, nseg, __i)
326 static inline void set_msg_byte(struct scsi_cmnd *cmd, char status)  in set_msg_byte()  argument
328 	cmd->result = (cmd->result & 0xffff00ff) | (status << 8);  in set_msg_byte()
331 static inline void set_host_byte(struct scsi_cmnd *cmd, char status)  in set_host_byte()  argument
333 	cmd->result = (cmd->result & 0xff00ffff) | (status << 16);  in set_host_byte()
336 static inline void set_driver_byte(struct scsi_cmnd *cmd, char status)  in set_driver_byte()  argument
338 	cmd->result = (cmd->result & 0x00ffffff) | (status << 24);  in set_driver_byte()