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 				  struct asd_sas_phy *phy, bool wideport)  in sas_form_port_add_phy()  argument
73 	list_add_tail(&phy->port_phy_el, &port->phy_list);  in sas_form_port_add_phy()
74 	sas_phy_set_target(phy, port->port_dev);  in sas_form_port_add_phy()
75 	phy->port = port;  in sas_form_port_add_phy()
77 	port->phy_mask |= (1U << phy->id);  in sas_form_port_add_phy()
80 		pr_debug("phy%d matched wide port%d\n", phy->id,  in sas_form_port_add_phy()
83 		memcpy(port->sas_addr, phy->sas_addr, SAS_ADDR_SIZE);  in sas_form_port_add_phy()
86 		port->class = phy->class;  in sas_form_port_add_phy()
87 		memcpy(port->attached_sas_addr, phy->attached_sas_addr,  in sas_form_port_add_phy()
89 		port->iproto = phy->iproto;  in sas_form_port_add_phy()
90 		port->tproto = phy->tproto;  in sas_form_port_add_phy()
91 		port->oob_mode = phy->oob_mode;  in sas_form_port_add_phy()
92 		port->linkrate = phy->linkrate;  in sas_form_port_add_phy()
94 		port->linkrate = max(port->linkrate, phy->linkrate);  in sas_form_port_add_phy()
99  * sas_form_port - add this phy to a port
100  * @phy: the phy of interest
102  * This function adds this phy to an existing port, thus creating a wide
103  * port, or it creates a port and adds the phy to the port.
105 static void sas_form_port(struct asd_sas_phy *phy)  in sas_form_port()  argument
108 	struct sas_ha_struct *sas_ha = phy->ha;  in sas_form_port()
109 	struct asd_sas_port *port = phy->port;  in sas_form_port()
116 		if (!phy_is_wideport_member(port, phy))  in sas_form_port()
117 			sas_deform_port(phy, 0);  in sas_form_port()
118 		else if (phy->suspended) {  in sas_form_port()
119 			phy->suspended = 0;  in sas_form_port()
120 			sas_resume_port(phy);  in sas_form_port()
122 			/* phy came back, try to cancel the timeout */  in sas_form_port()
126 			pr_info("%s: phy%d belongs to port%d already(%d)!\n",  in sas_form_port()
127 				__func__, phy->id, phy->port->id,  in sas_form_port()
128 				phy->port->num_phys);  in sas_form_port()
133 	/* see if the phy should be part of a wide port */  in sas_form_port()
139 		    phy_is_wideport_member(port, phy) && port->num_phys > 0) {  in sas_form_port()
142 			sas_form_port_add_phy(port, phy, true);  in sas_form_port()
148 	/* The phy does not match any existing port, create a new one */  in sas_form_port()
156 				sas_form_port_add_phy(port, phy, false);  in sas_form_port()
173 		port->port = sas_port_alloc(phy->phy->dev.parent, port->id);  in sas_form_port()
177 	sas_port_add_phy(port->port, phy->phy);  in sas_form_port()
180 		 dev_name(&phy->phy->dev), dev_name(&port->port->dev),  in sas_form_port()
189 		si->dft->lldd_port_formed(phy);  in sas_form_port()
191 	sas_discover_event(phy->port, DISCE_DISCOVER_DOMAIN);  in sas_form_port()
203  * sas_deform_port - remove this phy from the port it belongs to
204  * @phy: the phy of interest
205  * @gone: whether or not the PHY is gone
207  * This is called when the physical link to the other phy has been
208  * lost (on this phy), in Event thread context. We cannot delay here.
210 void sas_deform_port(struct asd_sas_phy *phy, int gone)  in sas_deform_port()  argument
212 	struct sas_ha_struct *sas_ha = phy->ha;  in sas_deform_port()
213 	struct asd_sas_port *port = phy->port;  in sas_deform_port()
220 		return;		  /* done by a phy event */  in sas_deform_port()
232 		sas_port_delete_phy(port->port, phy->phy);  in sas_deform_port()
237 		si->dft->lldd_port_deformed(phy);  in sas_deform_port()
242 	list_del_init(&phy->port_phy_el);  in sas_deform_port()
243 	sas_phy_set_target(phy, NULL);  in sas_deform_port()
244 	phy->port = NULL;  in sas_deform_port()
246 	port->phy_mask &= ~(1U << phy->id);  in sas_deform_port()
278 	struct asd_sas_phy *phy = ev->phy;  in sas_porte_bytes_dmaed()  local
280 	sas_form_port(phy);  in sas_porte_bytes_dmaed()
286 	struct asd_sas_phy *phy = ev->phy;  in sas_porte_broadcast_rcvd()  local
290 	spin_lock_irqsave(&phy->sas_prim_lock, flags);  in sas_porte_broadcast_rcvd()
291 	prim = phy->sas_prim;  in sas_porte_broadcast_rcvd()
292 	spin_unlock_irqrestore(&phy->sas_prim_lock, flags);  in sas_porte_broadcast_rcvd()
295 	sas_discover_event(phy->port, DISCE_REVALIDATE_DOMAIN);  in sas_porte_broadcast_rcvd()
297 	if (phy->port)  in sas_porte_broadcast_rcvd()
298 		flush_workqueue(phy->port->ha->disco_q);  in sas_porte_broadcast_rcvd()
304 	struct asd_sas_phy *phy = ev->phy;  in sas_porte_link_reset_err()  local
306 	sas_deform_port(phy, 1);  in sas_porte_link_reset_err()
312 	struct asd_sas_phy *phy = ev->phy;  in sas_porte_timer_event()  local
314 	sas_deform_port(phy, 1);  in sas_porte_timer_event()
320 	struct asd_sas_phy *phy = ev->phy;  in sas_porte_hard_reset()  local
322 	sas_deform_port(phy, 1);  in sas_porte_hard_reset()