| /* |
| * 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> |
| |
| #define sas_printk(fmt, ...) printk(KERN_NOTICE "sas: " fmt, ## __VA_ARGS__) |
| |
| #define SAS_DPRINTK(fmt, ...) printk(KERN_DEBUG "sas: " fmt, ## __VA_ARGS__) |
| |
| #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) |
| |
| 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); |
| |
| int sas_register_ports(struct sas_ha_struct *sas_ha); |
| void sas_unregister_ports(struct sas_ha_struct *sas_ha); |
| |
| enum blk_eh_timer_return sas_scsi_timed_out(struct scsi_cmnd *); |
| |
| int sas_init_queue(struct sas_ha_struct *sas_ha); |
| int sas_init_events(struct sas_ha_struct *sas_ha); |
| void sas_shutdown_queue(struct sas_ha_struct *sas_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_notify_lldd_dev_found(struct domain_device *); |
| void sas_notify_lldd_dev_gone(struct domain_device *); |
| |
| 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); |
| |
| struct domain_device *sas_find_dev_by_rphy(struct sas_rphy *rphy); |
| |
| void sas_hae_reset(struct work_struct *work); |
| |
| void sas_free_device(struct kref *kref); |
| |
| #ifdef CONFIG_SCSI_SAS_HOST_SMP |
| extern int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req, |
| struct request *rsp); |
| #else |
| static inline int sas_smp_host_handler(struct Scsi_Host *shost, |
| struct request *req, |
| struct request *rsp) |
| { |
| shost_printk(KERN_ERR, shost, |
| "Cannot send SMP to a sas host (not enabled in CONFIG)\n"); |
| return -EINVAL; |
| } |
| #endif |
| |
| 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 SATA_DEV: |
| /* FIXME: need sata device type */ |
| case SAS_END_DEV: |
| rphy->identify.device_type = SAS_END_DEVICE; |
| break; |
| case EDGE_DEV: |
| rphy->identify.device_type = SAS_EDGE_EXPANDER_DEVICE; |
| break; |
| case FANOUT_DEV: |
| rphy->identify.device_type = SAS_FANOUT_EXPANDER_DEVICE; |
| break; |
| default: |
| rphy->identify.device_type = SAS_PHY_UNUSED; |
| break; |
| } |
| } |
| |
| 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); |
| kref_init(&dev->kref); |
| } |
| return dev; |
| } |
| |
| static inline void sas_put_device(struct domain_device *dev) |
| { |
| kref_put(&dev->kref, sas_free_device); |
| } |
| |
| #endif /* _SAS_INTERNAL_H_ */ |