s390/cio/device_status.c

29 ccw_device_msg_control_check(struct ccw_device *cdev, struct irb *irb)
34 	if (!scsw_is_valid_cstat(&irb->scsw) ||
35 	    !(scsw_cstat(&irb->scsw) & (SCHN_STAT_CHN_DATA_CHK |
44 		      scsw_dstat(&irb->scsw), scsw_cstat(&irb->scsw));
47 	CIO_HEX_EVENT(0, irb, sizeof(struct irb));
73  * Copy valid bits from the extended control word to device irb.
76 ccw_device_accumulate_ecw(struct ccw_device *cdev, struct irb *irb)
83 	cdev->private->dma_area->irb.scsw.cmd.ectl = 0;
84 	if ((irb->scsw.cmd.stctl & SCSW_STCTL_ALERT_STATUS) &&
85 	    !(irb->scsw.cmd.stctl & SCSW_STCTL_INTER_STATUS))
86 		cdev->private->dma_area->irb.scsw.cmd.ectl = irb->scsw.cmd.ectl;
88 	if (!cdev->private->dma_area->irb.scsw.cmd.ectl)
91 	memcpy(&cdev->private->dma_area->irb.ecw, irb->ecw, sizeof(irb->ecw));
98 ccw_device_accumulate_esw_valid(struct irb *irb)
100 	if (!irb->scsw.cmd.eswf &&
101 	    (irb->scsw.cmd.stctl == SCSW_STCTL_STATUS_PEND))
103 	if (irb->scsw.cmd.stctl ==
105 	    !(irb->scsw.cmd.actl & SCSW_ACTL_SUSPENDED))
111  * Copy valid bits from the extended status word to device irb.
114 ccw_device_accumulate_esw(struct ccw_device *cdev, struct irb *irb)
116 	struct irb *cdev_irb;
119 	if (!ccw_device_accumulate_esw_valid(irb))
122 	cdev_irb = &cdev->private->dma_area->irb;
125 	cdev_irb->esw.esw1.lpum = irb->esw.esw1.lpum;
128 	if (irb->scsw.cmd.eswf) {
130 		sublog = &irb->esw.esw0.sublog;
137 		if (irb->scsw.cmd.cstat & (SCHN_STAT_CHN_DATA_CHK |
158 		if (irb->scsw.cmd.cstat & SCHN_STAT_INTF_CTRL_CHK)
159 			cdev_irb->esw.esw0.erw.cpt = irb->esw.esw0.erw.cpt;
161 		cdev_irb->esw.esw0.erw.fsavf = irb->esw.esw0.erw.fsavf;
164 			memcpy(cdev_irb->esw.esw0.faddr, irb->esw.esw0.faddr,
165 			       sizeof (irb->esw.esw0.faddr));
167 			cdev_irb->esw.esw0.erw.fsaf = irb->esw.esw0.erw.fsaf;
170 		cdev_irb->esw.esw0.erw.scavf = irb->esw.esw0.erw.scavf;
171 		if (irb->esw.esw0.erw.scavf)
173 			cdev_irb->esw.esw0.saddr = irb->esw.esw0.saddr;
179 	cdev_irb->esw.esw0.erw.auth = irb->esw.esw0.erw.auth;
181 	cdev_irb->esw.esw0.erw.pvrf = irb->esw.esw0.erw.pvrf;
182 	if (irb->esw.esw0.erw.pvrf)
185 	cdev_irb->esw.esw0.erw.cons = irb->esw.esw0.erw.cons;
186 	if (irb->esw.esw0.erw.cons)
187 		cdev_irb->esw.esw0.erw.scnt = irb->esw.esw0.erw.scnt;
191  * Accumulate status from irb to devstat.
194 ccw_device_accumulate_irb(struct ccw_device *cdev, struct irb *irb)
196 	struct irb *cdev_irb;
203 	if (!(scsw_stctl(&irb->scsw) & SCSW_STCTL_STATUS_PEND))
207 	ccw_device_msg_control_check(cdev, irb);
210 	if (scsw_is_valid_pno(&irb->scsw) && scsw_pno(&irb->scsw))
212 	/* No irb accumulation for transport mode irbs. */
213 	if (scsw_is_tm(&irb->scsw)) {
214 		memcpy(&cdev->private->dma_area->irb, irb, sizeof(struct irb));
220 	if (!scsw_is_solicited(&irb->scsw))
223 	cdev_irb = &cdev->private->dma_area->irb;
230 	if (irb->scsw.cmd.fctl & SCSW_FCTL_CLEAR_FUNC)
231 		memset(&cdev->private->dma_area->irb, 0, sizeof(struct irb));
234 	if (irb->scsw.cmd.fctl & SCSW_FCTL_START_FUNC) {
236 		cdev_irb->scsw.cmd.key = irb->scsw.cmd.key;
238 		cdev_irb->scsw.cmd.sctl = irb->scsw.cmd.sctl;
240 		cdev_irb->scsw.cmd.cc |= irb->scsw.cmd.cc;
242 		cdev_irb->scsw.cmd.fmt = irb->scsw.cmd.fmt;
244 		cdev_irb->scsw.cmd.pfch = irb->scsw.cmd.pfch;
246 		cdev_irb->scsw.cmd.isic = irb->scsw.cmd.isic;
248 		cdev_irb->scsw.cmd.alcc = irb->scsw.cmd.alcc;
250 		cdev_irb->scsw.cmd.ssi = irb->scsw.cmd.ssi;
254 	ccw_device_accumulate_ecw(cdev, irb);
257 	cdev_irb->scsw.cmd.fctl |= irb->scsw.cmd.fctl;
259 	cdev_irb->scsw.cmd.actl = irb->scsw.cmd.actl;
261 	cdev_irb->scsw.cmd.stctl |= irb->scsw.cmd.stctl;
266 	if ((irb->scsw.cmd.stctl & SCSW_STCTL_PRIM_STATUS) ||
267 	    ((irb->scsw.cmd.stctl ==
269 	     (irb->scsw.cmd.actl & SCSW_ACTL_DEVACT) &&
270 	     (irb->scsw.cmd.actl & SCSW_ACTL_SCHACT)) ||
271 	    (irb->scsw.cmd.actl & SCSW_ACTL_SUSPENDED))
272 		cdev_irb->scsw.cmd.cpa = irb->scsw.cmd.cpa;
276 	if (irb->scsw.cmd.stctl &
279 		cdev_irb->scsw.cmd.dstat |= irb->scsw.cmd.dstat;
281 	cdev_irb->scsw.cmd.cstat |= irb->scsw.cmd.cstat;
283 	if ((irb->scsw.cmd.stctl & SCSW_STCTL_PRIM_STATUS) &&
284 	    (irb->scsw.cmd.cstat & ~(SCHN_STAT_PCI | SCHN_STAT_INCORR_LEN))
286 		cdev_irb->scsw.cmd.count = irb->scsw.cmd.count;
289 	ccw_device_accumulate_esw(cdev, irb);
312 ccw_device_do_sense(struct ccw_device *cdev, struct irb *irb)
321 	if (scsw_actl(&irb->scsw) & (SCSW_ACTL_DEVACT | SCSW_ACTL_SCHACT))
335 	sense_ccw->cda = virt_to_dma32(cdev->private->dma_area->irb.ecw);
349 ccw_device_accumulate_basic_sense(struct ccw_device *cdev, struct irb *irb)
356 	if (!(scsw_stctl(&irb->scsw) & SCSW_STCTL_STATUS_PEND))
360 	ccw_device_msg_control_check(cdev, irb);
363 	if (scsw_is_valid_pno(&irb->scsw) && scsw_pno(&irb->scsw))
366 	if (!(irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK) &&
367 	    (irb->scsw.cmd.dstat & DEV_STAT_CHN_END)) {
368 		cdev->private->dma_area->irb.esw.esw0.erw.cons = 1;
372 	if (ccw_device_accumulate_esw_valid(irb) &&
373 	    irb->esw.esw0.erw.pvrf)
382 ccw_device_accumulate_and_sense(struct ccw_device *cdev, struct irb *irb)
384 	ccw_device_accumulate_irb(cdev, irb);
385 	if ((irb->scsw.cmd.actl  & (SCSW_ACTL_DEVACT | SCSW_ACTL_SCHACT)) != 0)
389 	    !(irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK)) {
390 		cdev->private->dma_area->irb.esw.esw0.erw.cons = 1;
395 		ccw_device_do_sense(cdev, irb);