scsi/arcmsr/arcmsr_attr.c

69 	struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata;
79 	spin_lock_irqsave(&acb->rqbuffer_lock, flags);
80 	if (acb->rqbuf_getIndex != acb->rqbuf_putIndex) {
81 		unsigned int tail = acb->rqbuf_getIndex;
82 		unsigned int head = acb->rqbuf_putIndex;
90 			memcpy(ptmpQbuffer, acb->rqbuffer + tail, allxfer_len);
92 			memcpy(ptmpQbuffer, acb->rqbuffer + tail, cnt_to_end);
93 			memcpy(ptmpQbuffer + cnt_to_end, acb->rqbuffer, allxfer_len - cnt_to_end);
95 		acb->rqbuf_getIndex = (acb->rqbuf_getIndex + allxfer_len) % ARCMSR_MAX_QBUFFER;
97 	if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
99 		acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
100 		prbuffer = arcmsr_get_iop_rqbuffer(acb);
101 		if (arcmsr_Read_iop_rqbuffer_data(acb, prbuffer) == 0)
102 			acb->acb_flags |= ACB_F_IOPDATA_OVERFLOW;
104 	spin_unlock_irqrestore(&acb->rqbuffer_lock, flags);
116 	struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata;
128 	spin_lock_irqsave(&acb->wqbuffer_lock, flags);
129 	if (acb->wqbuf_putIndex != acb->wqbuf_getIndex) {
130 		arcmsr_write_ioctldata2iop(acb);
131 		spin_unlock_irqrestore(&acb->wqbuffer_lock, flags);
134 		pQbuffer = &acb->wqbuffer[acb->wqbuf_putIndex];
135 		cnt2end = ARCMSR_MAX_QBUFFER - acb->wqbuf_putIndex;
140 			acb->wqbuf_putIndex = 0;
141 			pQbuffer = acb->wqbuffer;
144 		acb->wqbuf_putIndex += user_len;
145 		acb->wqbuf_putIndex %= ARCMSR_MAX_QBUFFER;
146 		if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_CLEARED) {
147 			acb->acb_flags &=
149 			arcmsr_write_ioctldata2iop(acb);
151 		spin_unlock_irqrestore(&acb->wqbuffer_lock, flags);
164 	struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata;
171 	arcmsr_clear_iop2drv_rqueue_buffer(acb);
172 	acb->acb_flags |=
176 	spin_lock_irqsave(&acb->rqbuffer_lock, flags);
177 	acb->rqbuf_getIndex = 0;
178 	acb->rqbuf_putIndex = 0;
179 	spin_unlock_irqrestore(&acb->rqbuffer_lock, flags);
180 	spin_lock_irqsave(&acb->wqbuffer_lock, flags);
181 	acb->wqbuf_getIndex = 0;
182 	acb->wqbuf_putIndex = 0;
183 	spin_unlock_irqrestore(&acb->wqbuffer_lock, flags);
184 	pQbuffer = acb->rqbuffer;
186 	pQbuffer = acb->wqbuffer;
218 int arcmsr_alloc_sysfs_attr(struct AdapterControlBlock *acb)
220 	struct Scsi_Host *host = acb->host;
247 void arcmsr_free_sysfs_attr(struct AdapterControlBlock *acb)
249 	struct Scsi_Host *host = acb->host;
271 	struct AdapterControlBlock *acb =
275 			atomic_read(&acb->ccboutstandingcount));
283 	struct AdapterControlBlock *acb =
287 			acb->num_resets);
295 	struct AdapterControlBlock *acb =
299 			acb->num_aborts);
307 	struct AdapterControlBlock *acb =
311 			acb->firm_model);
319 	struct AdapterControlBlock *acb =
324 			acb->firm_version);
332 	struct AdapterControlBlock *acb =
337 			acb->firm_request_len);
345 	struct AdapterControlBlock *acb =
350 			acb->firm_numbers_queue);
358 	struct AdapterControlBlock *acb =
363 			acb->firm_sdram_size);
371 	struct AdapterControlBlock *acb =
376 			acb->firm_hd_channels);