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 		memcpy(port->attached_sas_addr, phy->attached_sas_addr,  in sas_form_port_add_phy()
88 		port->iproto = phy->iproto;  in sas_form_port_add_phy()
89 		port->tproto = phy->tproto;  in sas_form_port_add_phy()
90 		port->oob_mode = phy->oob_mode;  in sas_form_port_add_phy()
91 		port->linkrate = phy->linkrate;  in sas_form_port_add_phy()
93 		port->linkrate = max(port->linkrate, phy->linkrate);  in sas_form_port_add_phy()
98  * sas_form_port - add this phy to a port
99  * @phy: the phy of interest
101  * This function adds this phy to an existing port, thus creating a wide
102  * port, or it creates a port and adds the phy to the port.
104 static void sas_form_port(struct asd_sas_phy *phy)  in sas_form_port()  argument
107 	struct sas_ha_struct *sas_ha = phy->ha;  in sas_form_port()
108 	struct asd_sas_port *port = phy->port;  in sas_form_port()
115 		if (!phy_is_wideport_member(port, phy))  in sas_form_port()
116 			sas_deform_port(phy, 0);  in sas_form_port()
117 		else if (phy->suspended) {  in sas_form_port()
118 			phy->suspended = 0;  in sas_form_port()
119 			sas_resume_port(phy);  in sas_form_port()
121 			/* phy came back, try to cancel the timeout */  in sas_form_port()
125 			pr_info("%s: phy%d belongs to port%d already(%d)!\n",  in sas_form_port()
126 				__func__, phy->id, phy->port->id,  in sas_form_port()
127 				phy->port->num_phys);  in sas_form_port()
132 	/* see if the phy should be part of a wide port */  in sas_form_port()
138 		    phy_is_wideport_member(port, phy) && port->num_phys > 0) {  in sas_form_port()
141 			sas_form_port_add_phy(port, phy, true);  in sas_form_port()
147 	/* The phy does not match any existing port, create a new one */  in sas_form_port()
155 				sas_form_port_add_phy(port, phy, false);  in sas_form_port()
172 		port->port = sas_port_alloc(phy->phy->dev.parent, port->id);  in sas_form_port()
176 	sas_port_add_phy(port->port, phy->phy);  in sas_form_port()
179 		 dev_name(&phy->phy->dev), dev_name(&port->port->dev),  in sas_form_port()
188 		si->dft->lldd_port_formed(phy);  in sas_form_port()
190 	sas_discover_event(phy->port, DISCE_DISCOVER_DOMAIN);  in sas_form_port()
202  * sas_deform_port - remove this phy from the port it belongs to
203  * @phy: the phy of interest
204  * @gone: whether or not the PHY is gone
206  * This is called when the physical link to the other phy has been
207  * lost (on this phy), in Event thread context. We cannot delay here.
209 void sas_deform_port(struct asd_sas_phy *phy, int gone)  in sas_deform_port()  argument
211 	struct sas_ha_struct *sas_ha = phy->ha;  in sas_deform_port()
212 	struct asd_sas_port *port = phy->port;  in sas_deform_port()
219 		return;		  /* done by a phy event */  in sas_deform_port()
231 		sas_port_delete_phy(port->port, phy->phy);  in sas_deform_port()
236 		si->dft->lldd_port_deformed(phy);  in sas_deform_port()
241 	list_del_init(&phy->port_phy_el);  in sas_deform_port()
242 	sas_phy_set_target(phy, NULL);  in sas_deform_port()
243 	phy->port = NULL;  in sas_deform_port()
245 	port->phy_mask &= ~(1U << phy->id);  in sas_deform_port()
276 	struct asd_sas_phy *phy = ev->phy;  in sas_porte_bytes_dmaed()  local
278 	sas_form_port(phy);  in sas_porte_bytes_dmaed()
284 	struct asd_sas_phy *phy = ev->phy;  in sas_porte_broadcast_rcvd()  local
288 	spin_lock_irqsave(&phy->sas_prim_lock, flags);  in sas_porte_broadcast_rcvd()
289 	prim = phy->sas_prim;  in sas_porte_broadcast_rcvd()
290 	spin_unlock_irqrestore(&phy->sas_prim_lock, flags);  in sas_porte_broadcast_rcvd()
293 	sas_discover_event(phy->port, DISCE_REVALIDATE_DOMAIN);  in sas_porte_broadcast_rcvd()
295 	if (phy->port)  in sas_porte_broadcast_rcvd()
296 		flush_workqueue(phy->port->ha->disco_q);  in sas_porte_broadcast_rcvd()
302 	struct asd_sas_phy *phy = ev->phy;  in sas_porte_link_reset_err()  local
304 	sas_deform_port(phy, 1);  in sas_porte_link_reset_err()
310 	struct asd_sas_phy *phy = ev->phy;  in sas_porte_timer_event()  local
312 	sas_deform_port(phy, 1);  in sas_porte_timer_event()
318 	struct asd_sas_phy *phy = ev->phy;  in sas_porte_hard_reset()  local
320 	sas_deform_port(phy, 1);  in sas_porte_hard_reset()