| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| James Bottomley | 473 | 46.42% | 5 | 16.67% |
| Dan J Williams | 407 | 39.94% | 16 | 53.33% |
| Jason Yan | 45 | 4.42% | 2 | 6.67% |
| Christoph Hellwig | 37 | 3.63% | 1 | 3.33% |
| John Garry | 20 | 1.96% | 2 | 6.67% |
| David Howells | 18 | 1.77% | 1 | 3.33% |
| Darrick J. Wong | 17 | 1.67% | 2 | 6.67% |
| Johannes Thumshirn | 2 | 0.20% | 1 | 3.33% |
| Total | 1019 | 30 |
/* * Serial Attached SCSI (SAS) class internal header file * * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * USA * */ #ifndef _SAS_INTERNAL_H_ #define _SAS_INTERNAL_H_ #include <scsi/scsi.h> #include <scsi/scsi_host.h> #include <scsi/scsi_transport_sas.h> #include <scsi/libsas.h> #include <scsi/sas_ata.h> #ifdef pr_fmt #undef pr_fmt #endif #define SAS_FMT "sas: " #define pr_fmt(fmt) SAS_FMT fmt #define TO_SAS_TASK(_scsi_cmd) ((void *)(_scsi_cmd)->host_scribble) #define ASSIGN_SAS_TASK(_sc, _t) do { (_sc)->host_scribble = (void *) _t; } while (0) struct sas_phy_data { /* let reset be performed in sas_queue_work() context */ struct sas_phy *phy; struct mutex event_lock; int hard_reset; int reset_result; struct sas_work reset_work; int enable; int enable_result; struct sas_work enable_work; }; void sas_scsi_recover_host(struct Scsi_Host *shost); int sas_show_class(enum sas_class class, char *buf); int sas_show_proto(enum sas_protocol proto, char *buf); int sas_show_linkrate(enum sas_linkrate linkrate, char *buf); int sas_show_oob_mode(enum sas_oob_mode oob_mode, char *buf); int sas_register_phys(struct sas_ha_struct *sas_ha); void sas_unregister_phys(struct sas_ha_struct *sas_ha); struct asd_sas_event *sas_alloc_event(struct asd_sas_phy *phy); void sas_free_event(struct asd_sas_event *event); int sas_register_ports(struct sas_ha_struct *sas_ha); void sas_unregister_ports(struct sas_ha_struct *sas_ha); int sas_init_events(struct sas_ha_struct *sas_ha); void sas_disable_revalidation(struct sas_ha_struct *ha); void sas_enable_revalidation(struct sas_ha_struct *ha); void __sas_drain_work(struct sas_ha_struct *ha); void sas_deform_port(struct asd_sas_phy *phy, int gone); void sas_porte_bytes_dmaed(struct work_struct *work); void sas_porte_broadcast_rcvd(struct work_struct *work); void sas_porte_link_reset_err(struct work_struct *work); void sas_porte_timer_event(struct work_struct *work); void sas_porte_hard_reset(struct work_struct *work); int sas_queue_work(struct sas_ha_struct *ha, struct sas_work *sw); int sas_notify_lldd_dev_found(struct domain_device *); void sas_notify_lldd_dev_gone(struct domain_device *); void sas_smp_handler(struct bsg_job *job, struct Scsi_Host *shost, struct sas_rphy *rphy); int sas_smp_phy_control(struct domain_device *dev, int phy_id, enum phy_func phy_func, struct sas_phy_linkrates *); int sas_smp_get_phy_events(struct sas_phy *phy); int sas_notify_phy_event(struct asd_sas_phy *phy, enum phy_event event); void sas_device_set_phy(struct domain_device *dev, struct sas_port *port); struct domain_device *sas_find_dev_by_rphy(struct sas_rphy *rphy); struct domain_device *sas_ex_to_ata(struct domain_device *ex_dev, int phy_id); int sas_ex_phy_discover(struct domain_device *dev, int single); int sas_get_report_phy_sata(struct domain_device *dev, int phy_id, struct smp_resp *rps_resp); int sas_try_ata_reset(struct asd_sas_phy *phy); void sas_hae_reset(struct work_struct *work); void sas_free_device(struct kref *kref); void sas_destruct_devices(struct asd_sas_port *port); extern const work_func_t sas_phy_event_fns[PHY_NUM_EVENTS]; extern const work_func_t sas_port_event_fns[PORT_NUM_EVENTS]; #ifdef CONFIG_SCSI_SAS_HOST_SMP extern void sas_smp_host_handler(struct bsg_job *job, struct Scsi_Host *shost); #else static inline void sas_smp_host_handler(struct bsg_job *job, struct Scsi_Host *shost) { shost_printk(KERN_ERR, shost, "Cannot send SMP to a sas host (not enabled in CONFIG)\n"); bsg_job_done(job, -EINVAL, 0); } #endif static inline void sas_fail_probe(struct domain_device *dev, const char *func, int err) { pr_warn("%s: for %s device %16llx returned %d\n", func, dev->parent ? "exp-attached" : "direct-attached", SAS_ADDR(dev->sas_addr), err); sas_unregister_dev(dev->port, dev); } static inline void sas_fill_in_rphy(struct domain_device *dev, struct sas_rphy *rphy) { rphy->identify.sas_address = SAS_ADDR(dev->sas_addr); rphy->identify.initiator_port_protocols = dev->iproto; rphy->identify.target_port_protocols = dev->tproto; switch (dev->dev_type) { case SAS_SATA_DEV: /* FIXME: need sata device type */ case SAS_END_DEVICE: case SAS_SATA_PENDING: rphy->identify.device_type = SAS_END_DEVICE; break; case SAS_EDGE_EXPANDER_DEVICE: rphy->identify.device_type = SAS_EDGE_EXPANDER_DEVICE; break; case SAS_FANOUT_EXPANDER_DEVICE: rphy->identify.device_type = SAS_FANOUT_EXPANDER_DEVICE; break; default: rphy->identify.device_type = SAS_PHY_UNUSED; break; } } static inline void sas_phy_set_target(struct asd_sas_phy *p, struct domain_device *dev) { struct sas_phy *phy = p->phy; if (dev) { if (dev_is_sata(dev)) phy->identify.device_type = SAS_END_DEVICE; else phy->identify.device_type = dev->dev_type; phy->identify.target_port_protocols = dev->tproto; } else { phy->identify.device_type = SAS_PHY_UNUSED; phy->identify.target_port_protocols = 0; } } static inline void sas_add_parent_port(struct domain_device *dev, int phy_id) { struct expander_device *ex = &dev->ex_dev; struct ex_phy *ex_phy = &ex->ex_phy[phy_id]; if (!ex->parent_port) { ex->parent_port = sas_port_alloc(&dev->rphy->dev, phy_id); /* FIXME: error handling */ BUG_ON(!ex->parent_port); BUG_ON(sas_port_add(ex->parent_port)); sas_port_mark_backlink(ex->parent_port); } sas_port_add_phy(ex->parent_port, ex_phy->phy); } static inline struct domain_device *sas_alloc_device(void) { struct domain_device *dev = kzalloc(sizeof(*dev), GFP_KERNEL); if (dev) { INIT_LIST_HEAD(&dev->siblings); INIT_LIST_HEAD(&dev->dev_list_node); INIT_LIST_HEAD(&dev->disco_list_node); kref_init(&dev->kref); spin_lock_init(&dev->done_lock); } return dev; } static inline void sas_put_device(struct domain_device *dev) { kref_put(&dev->kref, sas_free_device); } #endif /* _SAS_INTERNAL_H_ */
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