scsi/libsas/sas_phy.c

3  * Serial Attached SCSI (SAS) Phy class
15 /* ---------- Phy events ---------- */
20 	struct asd_sas_phy *phy = ev->phy;
22 	phy->error = 0;
23 	sas_deform_port(phy, true);
29 	struct asd_sas_phy *phy = ev->phy;
31 	phy->error = 0;
37 	struct asd_sas_phy *phy = ev->phy;
38 	struct sas_ha_struct *sas_ha = phy->ha;
39 	struct asd_sas_port *port = phy->port;
43 	sas_deform_port(phy, true);
45 	if (!port && phy->enabled && i->dft->lldd_control_phy) {
46 		phy->error++;
47 		switch (phy->error) {
50 			i->dft->lldd_control_phy(phy, PHY_FUNC_HARD_RESET,
55 			phy->error = 0;
56 			phy->enabled = 0;
57 			i->dft->lldd_control_phy(phy, PHY_FUNC_DISABLE, NULL);
66 	struct asd_sas_phy *phy = ev->phy;
67 	struct sas_ha_struct *sas_ha = phy->ha;
71 	phy->error = 0;
72 	i->dft->lldd_control_phy(phy, PHY_FUNC_RELEASE_SPINUP_HOLD, NULL);
78 	struct asd_sas_phy *phy = ev->phy;
80 	/* phew, lldd got the phy back in the nick of time */
81 	if (!phy->suspended) {
82 		dev_info(&phy->phy->dev, "resume timeout cancelled\n");
86 	phy->error = 0;
87 	phy->suspended = 0;
88 	sas_deform_port(phy, true);
95 	struct asd_sas_phy *phy = ev->phy;
96 	struct sas_ha_struct *sas_ha = phy->ha;
100 	if (phy->enabled) {
103 		phy->error = 0;
104 		phy->enabled = 0;
105 		ret = i->dft->lldd_control_phy(phy, PHY_FUNC_DISABLE, NULL);
107 			pr_notice("lldd disable phy%d returned %d\n", phy->id,
110 		pr_notice("phy%d is not enabled, cannot shutdown\n", phy->id);
111 	phy->in_shutdown = 0;
114 /* ---------- Phy class registration ---------- */
122 		struct asd_sas_phy *phy = sas_ha->sas_phy[i];
124 		phy->error = 0;
125 		atomic_set(&phy->event_nr, 0);
126 		INIT_LIST_HEAD(&phy->port_phy_el);
128 		phy->port = NULL;
129 		phy->ha = sas_ha;
130 		spin_lock_init(&phy->frame_rcvd_lock);
131 		spin_lock_init(&phy->sas_prim_lock);
132 		phy->frame_rcvd_size = 0;
134 		phy->phy = sas_phy_alloc(&sas_ha->shost->shost_gendev, i);
135 		if (!phy->phy)
138 		phy->phy->identify.initiator_port_protocols =
139 			phy->iproto;
140 		phy->phy->identify.target_port_protocols = phy->tproto;
141 		phy->phy->identify.sas_address = SAS_ADDR(sas_ha->sas_addr);
142 		phy->phy->identify.phy_identifier = i;
143 		phy->phy->minimum_linkrate_hw = SAS_LINK_RATE_UNKNOWN;
144 		phy->phy->maximum_linkrate_hw = SAS_LINK_RATE_UNKNOWN;
145 		phy->phy->minimum_linkrate = SAS_LINK_RATE_UNKNOWN;
146 		phy->phy->maximum_linkrate = SAS_LINK_RATE_UNKNOWN;
147 		phy->phy->negotiated_linkrate = SAS_LINK_RATE_UNKNOWN;
149 		sas_phy_add(phy->phy);