Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
James Bottomley | 470 | 58.90% | 2 | 22.22% |
Jason Yan | 183 | 22.93% | 2 | 22.22% |
Dan J Williams | 80 | 10.03% | 3 | 33.33% |
David Howells | 63 | 7.89% | 1 | 11.11% |
John Garry | 2 | 0.25% | 1 | 11.11% |
Total | 798 | 9 |
/* * Serial Attached SCSI (SAS) Phy class * * Copyright (C) 2005 Adaptec, Inc. All rights reserved. * Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com> * * This file is licensed under GPLv2. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * */ #include "sas_internal.h" #include <scsi/scsi_host.h> #include <scsi/scsi_transport.h> #include <scsi/scsi_transport_sas.h> #include "../scsi_sas_internal.h" /* ---------- Phy events ---------- */ static void sas_phye_loss_of_signal(struct work_struct *work) { struct asd_sas_event *ev = to_asd_sas_event(work); struct asd_sas_phy *phy = ev->phy; phy->in_shutdown = 0; phy->error = 0; sas_deform_port(phy, 1); } static void sas_phye_oob_done(struct work_struct *work) { struct asd_sas_event *ev = to_asd_sas_event(work); struct asd_sas_phy *phy = ev->phy; phy->in_shutdown = 0; phy->error = 0; } static void sas_phye_oob_error(struct work_struct *work) { struct asd_sas_event *ev = to_asd_sas_event(work); struct asd_sas_phy *phy = ev->phy; struct sas_ha_struct *sas_ha = phy->ha; struct asd_sas_port *port = phy->port; struct sas_internal *i = to_sas_internal(sas_ha->core.shost->transportt); sas_deform_port(phy, 1); if (!port && phy->enabled && i->dft->lldd_control_phy) { phy->error++; switch (phy->error) { case 1: case 2: i->dft->lldd_control_phy(phy, PHY_FUNC_HARD_RESET, NULL); break; case 3: default: phy->error = 0; phy->enabled = 0; i->dft->lldd_control_phy(phy, PHY_FUNC_DISABLE, NULL); break; } } } static void sas_phye_spinup_hold(struct work_struct *work) { struct asd_sas_event *ev = to_asd_sas_event(work); struct asd_sas_phy *phy = ev->phy; struct sas_ha_struct *sas_ha = phy->ha; struct sas_internal *i = to_sas_internal(sas_ha->core.shost->transportt); phy->error = 0; i->dft->lldd_control_phy(phy, PHY_FUNC_RELEASE_SPINUP_HOLD, NULL); } static void sas_phye_resume_timeout(struct work_struct *work) { struct asd_sas_event *ev = to_asd_sas_event(work); struct asd_sas_phy *phy = ev->phy; /* phew, lldd got the phy back in the nick of time */ if (!phy->suspended) { dev_info(&phy->phy->dev, "resume timeout cancelled\n"); return; } phy->error = 0; phy->suspended = 0; sas_deform_port(phy, 1); } static void sas_phye_shutdown(struct work_struct *work) { struct asd_sas_event *ev = to_asd_sas_event(work); struct asd_sas_phy *phy = ev->phy; struct sas_ha_struct *sas_ha = phy->ha; struct sas_internal *i = to_sas_internal(sas_ha->core.shost->transportt); if (phy->enabled) { int ret; phy->error = 0; phy->enabled = 0; ret = i->dft->lldd_control_phy(phy, PHY_FUNC_DISABLE, NULL); if (ret) pr_notice("lldd disable phy%02d returned %d\n", phy->id, ret); } else pr_notice("phy%02d is not enabled, cannot shutdown\n", phy->id); } /* ---------- Phy class registration ---------- */ int sas_register_phys(struct sas_ha_struct *sas_ha) { int i; /* Now register the phys. */ for (i = 0; i < sas_ha->num_phys; i++) { struct asd_sas_phy *phy = sas_ha->sas_phy[i]; phy->error = 0; atomic_set(&phy->event_nr, 0); INIT_LIST_HEAD(&phy->port_phy_el); phy->port = NULL; phy->ha = sas_ha; spin_lock_init(&phy->frame_rcvd_lock); spin_lock_init(&phy->sas_prim_lock); phy->frame_rcvd_size = 0; phy->phy = sas_phy_alloc(&sas_ha->core.shost->shost_gendev, i); if (!phy->phy) return -ENOMEM; phy->phy->identify.initiator_port_protocols = phy->iproto; phy->phy->identify.target_port_protocols = phy->tproto; phy->phy->identify.sas_address = SAS_ADDR(sas_ha->sas_addr); phy->phy->identify.phy_identifier = i; phy->phy->minimum_linkrate_hw = SAS_LINK_RATE_UNKNOWN; phy->phy->maximum_linkrate_hw = SAS_LINK_RATE_UNKNOWN; phy->phy->minimum_linkrate = SAS_LINK_RATE_UNKNOWN; phy->phy->maximum_linkrate = SAS_LINK_RATE_UNKNOWN; phy->phy->negotiated_linkrate = SAS_LINK_RATE_UNKNOWN; sas_phy_add(phy->phy); } return 0; } const work_func_t sas_phy_event_fns[PHY_NUM_EVENTS] = { [PHYE_LOSS_OF_SIGNAL] = sas_phye_loss_of_signal, [PHYE_OOB_DONE] = sas_phye_oob_done, [PHYE_OOB_ERROR] = sas_phye_oob_error, [PHYE_SPINUP_HOLD] = sas_phye_spinup_hold, [PHYE_RESUME_TIMEOUT] = sas_phye_resume_timeout, [PHYE_SHUTDOWN] = sas_phye_shutdown, };
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