15 static bool phy_is_wideport_member(struct asd_sas_port *port, struct asd_sas_phy *phy)  in phy_is_wideport_member()  argument
17 	struct sas_ha_struct *sas_ha = phy->ha;  in phy_is_wideport_member()
19 	if (memcmp(port->attached_sas_addr, phy->attached_sas_addr,  in phy_is_wideport_member()
21 	     memcmp(port->sas_addr, phy->sas_addr, SAS_ADDR_SIZE) != 0))  in phy_is_wideport_member()
26 static void sas_resume_port(struct asd_sas_phy *phy)  in sas_resume_port()  argument
29 	struct asd_sas_port *port = phy->port;  in sas_resume_port()
30 	struct sas_ha_struct *sas_ha = phy->ha;  in sas_resume_port()
34 		si->dft->lldd_port_formed(phy);  in sas_resume_port()
60 				struct ex_phy *phy = &dev->ex_dev.ex_phy[i];  in sas_resume_port()  local
62 				phy->phy_change_count = -1;  in sas_resume_port()
71  * sas_form_port - add this phy to a port
72  * @phy: the phy of interest
74  * This function adds this phy to an existing port, thus creating a wide
75  * port, or it creates a port and adds the phy to the port.
77 static void sas_form_port(struct asd_sas_phy *phy)  in sas_form_port()  argument
80 	struct sas_ha_struct *sas_ha = phy->ha;  in sas_form_port()
81 	struct asd_sas_port *port = phy->port;  in sas_form_port()
88 		if (!phy_is_wideport_member(port, phy))  in sas_form_port()
89 			sas_deform_port(phy, 0);  in sas_form_port()
90 		else if (phy->suspended) {  in sas_form_port()
91 			phy->suspended = 0;  in sas_form_port()
92 			sas_resume_port(phy);  in sas_form_port()
94 			/* phy came back, try to cancel the timeout */  in sas_form_port()
98 			pr_info("%s: phy%d belongs to port%d already(%d)!\n",  in sas_form_port()
99 				__func__, phy->id, phy->port->id,  in sas_form_port()
100 				phy->port->num_phys);  in sas_form_port()
105 	/* see if the phy should be part of a wide port */  in sas_form_port()
111 		    phy_is_wideport_member(port, phy) && port->num_phys > 0) {  in sas_form_port()
113 			pr_debug("phy%d matched wide port%d\n", phy->id,  in sas_form_port()
119 	/* The phy does not match any existing port, create a new one */  in sas_form_port()
126 				memcpy(port->sas_addr, phy->sas_addr,  in sas_form_port()
140 	/* add the phy to the port */  in sas_form_port()
142 	list_add_tail(&phy->port_phy_el, &port->phy_list);  in sas_form_port()
143 	sas_phy_set_target(phy, port_dev);  in sas_form_port()
144 	phy->port = port;  in sas_form_port()
146 	port->phy_mask |= (1U << phy->id);  in sas_form_port()
149 		port->class = phy->class;  in sas_form_port()
150 		memcpy(port->attached_sas_addr, phy->attached_sas_addr,  in sas_form_port()
152 		port->iproto = phy->iproto;  in sas_form_port()
153 		port->tproto = phy->tproto;  in sas_form_port()
154 		port->oob_mode = phy->oob_mode;  in sas_form_port()
155 		port->linkrate = phy->linkrate;  in sas_form_port()
157 		port->linkrate = max(port->linkrate, phy->linkrate);  in sas_form_port()
162 		port->port = sas_port_alloc(phy->phy->dev.parent, port->id);  in sas_form_port()
166 	sas_port_add_phy(port->port, phy->phy);  in sas_form_port()
169 		 dev_name(&phy->phy->dev), dev_name(&port->port->dev),  in sas_form_port()
178 		si->dft->lldd_port_formed(phy);  in sas_form_port()
180 	sas_discover_event(phy->port, DISCE_DISCOVER_DOMAIN);  in sas_form_port()
192  * sas_deform_port - remove this phy from the port it belongs to
193  * @phy: the phy of interest
194  * @gone: whether or not the PHY is gone
196  * This is called when the physical link to the other phy has been
197  * lost (on this phy), in Event thread context. We cannot delay here.
199 void sas_deform_port(struct asd_sas_phy *phy, int gone)  in sas_deform_port()  argument
201 	struct sas_ha_struct *sas_ha = phy->ha;  in sas_deform_port()
202 	struct asd_sas_port *port = phy->port;  in sas_deform_port()
209 		return;		  /* done by a phy event */  in sas_deform_port()
221 		sas_port_delete_phy(port->port, phy->phy);  in sas_deform_port()
226 		si->dft->lldd_port_deformed(phy);  in sas_deform_port()
231 	list_del_init(&phy->port_phy_el);  in sas_deform_port()
232 	sas_phy_set_target(phy, NULL);  in sas_deform_port()
233 	phy->port = NULL;  in sas_deform_port()
235 	port->phy_mask &= ~(1U << phy->id);  in sas_deform_port()
267 	struct asd_sas_phy *phy = ev->phy;  in sas_porte_bytes_dmaed()  local
269 	sas_form_port(phy);  in sas_porte_bytes_dmaed()
275 	struct asd_sas_phy *phy = ev->phy;  in sas_porte_broadcast_rcvd()  local
279 	spin_lock_irqsave(&phy->sas_prim_lock, flags);  in sas_porte_broadcast_rcvd()
280 	prim = phy->sas_prim;  in sas_porte_broadcast_rcvd()
281 	spin_unlock_irqrestore(&phy->sas_prim_lock, flags);  in sas_porte_broadcast_rcvd()
284 	sas_discover_event(phy->port, DISCE_REVALIDATE_DOMAIN);  in sas_porte_broadcast_rcvd()
286 	if (phy->port)  in sas_porte_broadcast_rcvd()
287 		flush_workqueue(phy->port->ha->disco_q);  in sas_porte_broadcast_rcvd()
293 	struct asd_sas_phy *phy = ev->phy;  in sas_porte_link_reset_err()  local
295 	sas_deform_port(phy, 1);  in sas_porte_link_reset_err()
301 	struct asd_sas_phy *phy = ev->phy;  in sas_porte_timer_event()  local
303 	sas_deform_port(phy, 1);  in sas_porte_timer_event()
309 	struct asd_sas_phy *phy = ev->phy;  in sas_porte_hard_reset()  local
311 	sas_deform_port(phy, 1);  in sas_porte_hard_reset()