This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / drivers / scsi / libsas / sas_internal.h

diff --git a/drivers/scsi/libsas/sas_internal.h b/drivers/scsi/libsas/sas_internal.h
new file mode 100644 (file)
index 0000000..137d7e4
--- /dev/null
+++ b/drivers/scsi/libsas/sas_internal.h
@@ -0,0 +1,146 @@
+/*
+ * 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__)
+
+#ifdef SAS_DEBUG
+#define SAS_DPRINTK(fmt, ...) printk(KERN_NOTICE "sas: " fmt, ## __VA_ARGS__)
+#else
+#define SAS_DPRINTK(fmt, ...)
+#endif
+
+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_proto 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 scsi_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);
+
+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);
+
+static inline void sas_queue_event(int event, spinlock_t *lock,
+                                  unsigned long *pending,
+                                  struct work_struct *work,
+                                  struct Scsi_Host *shost)
+{
+       unsigned long flags;
+
+       spin_lock_irqsave(lock, flags);
+       if (test_bit(event, pending)) {
+               spin_unlock_irqrestore(lock, flags);
+               return;
+       }
+       __set_bit(event, pending);
+       spin_unlock_irqrestore(lock, flags);
+       scsi_queue_work(shost, work);
+}
+
+static inline void sas_begin_event(int event, spinlock_t *lock,
+                                  unsigned long *pending)
+{
+       unsigned long flags;
+
+       spin_lock_irqsave(lock, flags);
+       __clear_bit(event, pending);
+       spin_unlock_irqrestore(lock, flags);
+}
+
+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);
+}
+
+#endif /* _SAS_INTERNAL_H_ */