b91bb29618
sas_discover_sata() notifies lldds of sata devices twice. Once to allow the 'identify' to be sent, and a second time to allow aic94xx (the only libsas driver that cares about sata_dev.identify) to setup NCQ parameters before the device becomes known to the midlayer. Replace this double notification and intervening 'identify' with an explicit ->lldd_ata_set_dmamode notification. With this change all ata internal commands are issued by libata, so we no longer need sas_issue_ata_cmd(). The data from the identify command only needs to be cached in one location so ata_device.id replaces domain_device.sata_dev.identify. Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
102 lines
3 KiB
C
102 lines
3 KiB
C
/*
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* Aic94xx SAS/SATA driver header file.
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*
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* Copyright (C) 2005 Adaptec, Inc. All rights reserved.
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* Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com>
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*
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* This file is licensed under GPLv2.
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*
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* This file is part of the aic94xx driver.
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*
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* The aic94xx driver is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; version 2 of the
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* License.
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*
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* The aic94xx driver is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with the aic94xx driver; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* $Id: //depot/aic94xx/aic94xx.h#31 $
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*/
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#ifndef _AIC94XX_H_
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#define _AIC94XX_H_
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#include <linux/slab.h>
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#include <linux/ctype.h>
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#include <scsi/libsas.h>
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#define ASD_DRIVER_NAME "aic94xx"
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#define ASD_DRIVER_DESCRIPTION "Adaptec aic94xx SAS/SATA driver"
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#define asd_printk(fmt, ...) printk(KERN_NOTICE ASD_DRIVER_NAME ": " fmt, ## __VA_ARGS__)
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#ifdef ASD_ENTER_EXIT
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#define ENTER printk(KERN_NOTICE "%s: ENTER %s\n", ASD_DRIVER_NAME, \
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__func__)
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#define EXIT printk(KERN_NOTICE "%s: --EXIT %s\n", ASD_DRIVER_NAME, \
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__func__)
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#else
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#define ENTER
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#define EXIT
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#endif
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#ifdef ASD_DEBUG
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#define ASD_DPRINTK asd_printk
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#else
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#define ASD_DPRINTK(fmt, ...)
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#endif
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/* 2*ITNL timeout + 1 second */
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#define AIC94XX_SCB_TIMEOUT (5*HZ)
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extern struct kmem_cache *asd_dma_token_cache;
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extern struct kmem_cache *asd_ascb_cache;
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static inline void asd_stringify_sas_addr(char *p, const u8 *sas_addr)
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{
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int i;
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for (i = 0; i < SAS_ADDR_SIZE; i++, p += 2)
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snprintf(p, 3, "%02X", sas_addr[i]);
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*p = '\0';
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}
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struct asd_ha_struct;
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struct asd_ascb;
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int asd_read_ocm(struct asd_ha_struct *asd_ha);
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int asd_read_flash(struct asd_ha_struct *asd_ha);
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int asd_dev_found(struct domain_device *dev);
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void asd_dev_gone(struct domain_device *dev);
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void asd_invalidate_edb(struct asd_ascb *ascb, int edb_id);
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int asd_execute_task(struct sas_task *, int num, gfp_t gfp_flags);
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void asd_set_dmamode(struct domain_device *dev);
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/* ---------- TMFs ---------- */
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int asd_abort_task(struct sas_task *);
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int asd_abort_task_set(struct domain_device *, u8 *lun);
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int asd_clear_aca(struct domain_device *, u8 *lun);
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int asd_clear_task_set(struct domain_device *, u8 *lun);
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int asd_lu_reset(struct domain_device *, u8 *lun);
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int asd_I_T_nexus_reset(struct domain_device *dev);
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int asd_query_task(struct sas_task *);
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/* ---------- Adapter and Port management ---------- */
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int asd_clear_nexus_port(struct asd_sas_port *port);
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int asd_clear_nexus_ha(struct sas_ha_struct *sas_ha);
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/* ---------- Phy Management ---------- */
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int asd_control_phy(struct asd_sas_phy *phy, enum phy_func func, void *arg);
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#endif
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