scsi/snic/snic_ctl.c

16 #include "snic.h"
26 	struct snic *snic = container_of(work, struct snic, link_work);
28 	if (snic->config.xpt_type == SNIC_DAS)
31 	snic->link_status = svnic_dev_link_status(snic->vdev);
32 	snic->link_down_cnt = svnic_dev_link_down_cnt(snic->vdev);
33 	SNIC_HOST_INFO(snic->shost, "Link Event: Link %s.\n",
34 		       ((snic->link_status) ? "Up" : "Down"));
92 snic_queue_exch_ver_req(struct snic *snic)
99 	SNIC_HOST_INFO(snic->shost, "Exch Ver Req Preparing...\n");
101 	rqi = snic_req_init(snic, 0);
103 		SNIC_HOST_ERR(snic->shost, "Init Exch Ver Req failed\n");
112 			snic->config.hid, 0, (ulong)rqi);
117 	snic_handle_untagged_req(snic, rqi);
119 	ret = snic_queue_wq_desc(snic, req, sizeof(*req));
121 		snic_release_untagged_req(snic, rqi);
122 		SNIC_HOST_ERR(snic->shost,
128 	SNIC_HOST_INFO(snic->shost, "Exch Ver Req is issued. ret = %d\n", ret);
138 snic_io_exch_ver_cmpl_handler(struct snic *snic, struct snic_fw_req *fwreq)
147 	SNIC_HOST_INFO(snic->shost, "Exch Ver Compl Received.\n");
149 	SNIC_BUG_ON(snic->config.hid != hid);
153 		SNIC_HOST_ERR(snic->shost,
160 	spin_lock_irqsave(&snic->snic_lock, flags);
161 	snic->fwinfo.fw_ver = le32_to_cpu(exv_cmpl->version);
162 	snic->fwinfo.hid = le32_to_cpu(exv_cmpl->hid);
163 	snic->fwinfo.max_concur_ios = le32_to_cpu(exv_cmpl->max_concur_ios);
164 	snic->fwinfo.max_sgs_per_cmd = le32_to_cpu(exv_cmpl->max_sgs_per_cmd);
165 	snic->fwinfo.max_io_sz = le32_to_cpu(exv_cmpl->max_io_sz);
166 	snic->fwinfo.max_tgts = le32_to_cpu(exv_cmpl->max_tgts);
167 	snic->fwinfo.io_tmo = le16_to_cpu(exv_cmpl->io_timeout);
169 	SNIC_HOST_INFO(snic->shost,
171 		       snic->fwinfo.fw_ver,
172 		       snic->fwinfo.hid,
173 		       snic->fwinfo.max_concur_ios,
174 		       snic->fwinfo.max_sgs_per_cmd,
175 		       snic->fwinfo.max_io_sz,
176 		       snic->fwinfo.max_tgts,
177 		       snic->fwinfo.io_tmo);
179 	SNIC_HOST_INFO(snic->shost,
184 	max_sgs = snic->fwinfo.max_sgs_per_cmd;
186 		snic->shost->sg_tablesize = max_sgs;
187 		SNIC_HOST_INFO(snic->shost, "Max SGs set to %d\n",
188 			       snic->shost->sg_tablesize);
189 	} else if (max_sgs > snic->shost->sg_tablesize) {
190 		SNIC_HOST_INFO(snic->shost,
192 			       snic->config.xpt_type, max_sgs,
193 			       snic->shost->sg_tablesize);
196 	if (snic->shost->can_queue > snic->fwinfo.max_concur_ios)
197 		snic->shost->can_queue = snic->fwinfo.max_concur_ios;
199 	snic->shost->max_sectors = snic->fwinfo.max_io_sz >> 9;
200 	if (snic->fwinfo.wait)
201 		complete(snic->fwinfo.wait);
203 	spin_unlock_irqrestore(&snic->snic_lock, flags);
206 	snic_release_untagged_req(snic, rqi);
208 	SNIC_HOST_INFO(snic->shost, "Exch_cmpl Done, hdr_stat %d.\n", hdr_stat);
214  * Synchronous call, and Retrieves snic params.
217 snic_get_conf(struct snic *snic)
224 	SNIC_HOST_INFO(snic->shost, "Retrieving snic params.\n");
225 	spin_lock_irqsave(&snic->snic_lock, flags);
226 	memset(&snic->fwinfo, 0, sizeof(snic->fwinfo));
227 	snic->fwinfo.wait = &wait;
228 	spin_unlock_irqrestore(&snic->snic_lock, flags);
238 		ret = snic_queue_exch_ver_req(snic);
243 		spin_lock_irqsave(&snic->snic_lock, flags);
244 		ret = (snic->fwinfo.fw_ver != 0) ? 0 : -ETIMEDOUT;
246 			SNIC_HOST_ERR(snic->shost,
247 				      "Failed to retrieve snic params,\n");
251 			snic->fwinfo.wait = NULL;
253 		spin_unlock_irqrestore(&snic->snic_lock, flags);