2 * Serial Attached SCSI (SAS) Phy class
4 * Copyright (C) 2005 Adaptec, Inc. All rights reserved.
5 * Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com>
7 * This file is licensed under GPLv2.
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of the
12 * License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
25 #include "sas_internal.h"
26 #include <scsi/scsi_host.h>
27 #include <scsi/scsi_transport.h>
28 #include <scsi/scsi_transport_sas.h>
29 #include "../scsi_sas_internal.h"
31 /* ---------- Phy events ---------- */
33 static void sas_phye_loss_of_signal(void *data
)
35 struct asd_sas_phy
*phy
= data
;
37 sas_begin_event(PHYE_LOSS_OF_SIGNAL
, &phy
->ha
->event_lock
,
38 &phy
->phy_events_pending
);
43 static void sas_phye_oob_done(void *data
)
45 struct asd_sas_phy
*phy
= data
;
47 sas_begin_event(PHYE_OOB_DONE
, &phy
->ha
->event_lock
,
48 &phy
->phy_events_pending
);
52 static void sas_phye_oob_error(void *data
)
54 struct asd_sas_phy
*phy
= data
;
55 struct sas_ha_struct
*sas_ha
= phy
->ha
;
56 struct asd_sas_port
*port
= phy
->port
;
57 struct sas_internal
*i
=
58 to_sas_internal(sas_ha
->core
.shost
->transportt
);
60 sas_begin_event(PHYE_OOB_ERROR
, &phy
->ha
->event_lock
,
61 &phy
->phy_events_pending
);
65 if (!port
&& phy
->enabled
&& i
->dft
->lldd_control_phy
) {
70 i
->dft
->lldd_control_phy(phy
, PHY_FUNC_HARD_RESET
,
77 i
->dft
->lldd_control_phy(phy
, PHY_FUNC_DISABLE
, NULL
);
83 static void sas_phye_spinup_hold(void *data
)
85 struct asd_sas_phy
*phy
= data
;
86 struct sas_ha_struct
*sas_ha
= phy
->ha
;
87 struct sas_internal
*i
=
88 to_sas_internal(sas_ha
->core
.shost
->transportt
);
90 sas_begin_event(PHYE_SPINUP_HOLD
, &phy
->ha
->event_lock
,
91 &phy
->phy_events_pending
);
94 i
->dft
->lldd_control_phy(phy
, PHY_FUNC_RELEASE_SPINUP_HOLD
, NULL
);
97 /* ---------- Phy class registration ---------- */
99 int sas_register_phys(struct sas_ha_struct
*sas_ha
)
103 static void (*sas_phy_event_fns
[PHY_NUM_EVENTS
])(void *) = {
104 [PHYE_LOSS_OF_SIGNAL
] = sas_phye_loss_of_signal
,
105 [PHYE_OOB_DONE
] = sas_phye_oob_done
,
106 [PHYE_OOB_ERROR
] = sas_phye_oob_error
,
107 [PHYE_SPINUP_HOLD
] = sas_phye_spinup_hold
,
110 static void (*sas_port_event_fns
[PORT_NUM_EVENTS
])(void *) = {
111 [PORTE_BYTES_DMAED
] = sas_porte_bytes_dmaed
,
112 [PORTE_BROADCAST_RCVD
] = sas_porte_broadcast_rcvd
,
113 [PORTE_LINK_RESET_ERR
] = sas_porte_link_reset_err
,
114 [PORTE_TIMER_EVENT
] = sas_porte_timer_event
,
115 [PORTE_HARD_RESET
] = sas_porte_hard_reset
,
118 /* Now register the phys. */
119 for (i
= 0; i
< sas_ha
->num_phys
; i
++) {
121 struct asd_sas_phy
*phy
= sas_ha
->sas_phy
[i
];
124 INIT_LIST_HEAD(&phy
->port_phy_el
);
125 for (k
= 0; k
< PORT_NUM_EVENTS
; k
++)
126 INIT_WORK(&phy
->port_events
[k
], sas_port_event_fns
[k
],
129 for (k
= 0; k
< PHY_NUM_EVENTS
; k
++)
130 INIT_WORK(&phy
->phy_events
[k
], sas_phy_event_fns
[k
],
134 spin_lock_init(&phy
->frame_rcvd_lock
);
135 spin_lock_init(&phy
->sas_prim_lock
);
136 phy
->frame_rcvd_size
= 0;
138 phy
->phy
= sas_phy_alloc(&sas_ha
->core
.shost
->shost_gendev
,
143 phy
->phy
->identify
.initiator_port_protocols
=
145 phy
->phy
->identify
.target_port_protocols
= phy
->tproto
;
146 phy
->phy
->identify
.sas_address
= SAS_ADDR(sas_ha
->sas_addr
);
147 phy
->phy
->identify
.phy_identifier
= i
;
148 phy
->phy
->minimum_linkrate_hw
= SAS_LINK_RATE_UNKNOWN
;
149 phy
->phy
->maximum_linkrate_hw
= SAS_LINK_RATE_UNKNOWN
;
150 phy
->phy
->minimum_linkrate
= SAS_LINK_RATE_UNKNOWN
;
151 phy
->phy
->maximum_linkrate
= SAS_LINK_RATE_UNKNOWN
;
152 phy
->phy
->negotiated_linkrate
= SAS_LINK_RATE_UNKNOWN
;
154 sas_phy_add(phy
->phy
);