![malahal@us.ibm.com](/assets/img/avatar_default.png)
Signed-off-by: Malahal Naineni <malahal@us.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
867 lines
22 KiB
C
867 lines
22 KiB
C
/*
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* Aic94xx SAS/SATA driver initialization.
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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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*/
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#include <linux/config.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/pci.h>
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#include <linux/delay.h>
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#include <scsi/scsi_host.h>
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#include "aic94xx.h"
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#include "aic94xx_reg.h"
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#include "aic94xx_hwi.h"
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#include "aic94xx_seq.h"
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/* The format is "version.release.patchlevel" */
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#define ASD_DRIVER_VERSION "1.0.2"
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static int use_msi = 0;
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module_param_named(use_msi, use_msi, int, S_IRUGO);
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MODULE_PARM_DESC(use_msi, "\n"
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"\tEnable(1) or disable(0) using PCI MSI.\n"
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"\tDefault: 0");
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static int lldd_max_execute_num = 0;
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module_param_named(collector, lldd_max_execute_num, int, S_IRUGO);
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MODULE_PARM_DESC(collector, "\n"
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"\tIf greater than one, tells the SAS Layer to run in Task Collector\n"
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"\tMode. If 1 or 0, tells the SAS Layer to run in Direct Mode.\n"
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"\tThe aic94xx SAS LLDD supports both modes.\n"
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"\tDefault: 0 (Direct Mode).\n");
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char sas_addr_str[2*SAS_ADDR_SIZE + 1] = "";
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static struct scsi_transport_template *aic94xx_transport_template;
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static struct scsi_host_template aic94xx_sht = {
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.module = THIS_MODULE,
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/* .name is initialized */
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.name = "aic94xx",
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.queuecommand = sas_queuecommand,
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.target_alloc = sas_target_alloc,
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.slave_configure = sas_slave_configure,
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.slave_destroy = sas_slave_destroy,
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.change_queue_depth = sas_change_queue_depth,
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.change_queue_type = sas_change_queue_type,
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.bios_param = sas_bios_param,
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.can_queue = 1,
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.cmd_per_lun = 1,
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.this_id = -1,
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.sg_tablesize = SG_ALL,
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.max_sectors = SCSI_DEFAULT_MAX_SECTORS,
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.use_clustering = ENABLE_CLUSTERING,
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};
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static int __devinit asd_map_memio(struct asd_ha_struct *asd_ha)
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{
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int err, i;
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struct asd_ha_addrspace *io_handle;
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asd_ha->iospace = 0;
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for (i = 0; i < 3; i += 2) {
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io_handle = &asd_ha->io_handle[i==0?0:1];
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io_handle->start = pci_resource_start(asd_ha->pcidev, i);
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io_handle->len = pci_resource_len(asd_ha->pcidev, i);
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io_handle->flags = pci_resource_flags(asd_ha->pcidev, i);
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err = -ENODEV;
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if (!io_handle->start || !io_handle->len) {
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asd_printk("MBAR%d start or length for %s is 0.\n",
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i==0?0:1, pci_name(asd_ha->pcidev));
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goto Err;
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}
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err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME);
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if (err) {
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asd_printk("couldn't reserve memory region for %s\n",
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pci_name(asd_ha->pcidev));
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goto Err;
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}
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if (io_handle->flags & IORESOURCE_CACHEABLE)
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io_handle->addr = ioremap(io_handle->start,
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io_handle->len);
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else
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io_handle->addr = ioremap_nocache(io_handle->start,
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io_handle->len);
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if (!io_handle->addr) {
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asd_printk("couldn't map MBAR%d of %s\n", i==0?0:1,
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pci_name(asd_ha->pcidev));
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goto Err_unreq;
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}
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}
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return 0;
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Err_unreq:
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pci_release_region(asd_ha->pcidev, i);
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Err:
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if (i > 0) {
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io_handle = &asd_ha->io_handle[0];
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iounmap(io_handle->addr);
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pci_release_region(asd_ha->pcidev, 0);
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}
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return err;
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}
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static void __devexit asd_unmap_memio(struct asd_ha_struct *asd_ha)
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{
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struct asd_ha_addrspace *io_handle;
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io_handle = &asd_ha->io_handle[1];
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iounmap(io_handle->addr);
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pci_release_region(asd_ha->pcidev, 2);
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io_handle = &asd_ha->io_handle[0];
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iounmap(io_handle->addr);
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pci_release_region(asd_ha->pcidev, 0);
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}
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static int __devinit asd_map_ioport(struct asd_ha_struct *asd_ha)
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{
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int i = PCI_IOBAR_OFFSET, err;
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struct asd_ha_addrspace *io_handle = &asd_ha->io_handle[0];
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asd_ha->iospace = 1;
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io_handle->start = pci_resource_start(asd_ha->pcidev, i);
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io_handle->len = pci_resource_len(asd_ha->pcidev, i);
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io_handle->flags = pci_resource_flags(asd_ha->pcidev, i);
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io_handle->addr = (void __iomem *) io_handle->start;
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if (!io_handle->start || !io_handle->len) {
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asd_printk("couldn't get IO ports for %s\n",
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pci_name(asd_ha->pcidev));
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return -ENODEV;
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}
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err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME);
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if (err) {
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asd_printk("couldn't reserve io space for %s\n",
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pci_name(asd_ha->pcidev));
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}
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return err;
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}
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static void __devexit asd_unmap_ioport(struct asd_ha_struct *asd_ha)
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{
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pci_release_region(asd_ha->pcidev, PCI_IOBAR_OFFSET);
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}
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static int __devinit asd_map_ha(struct asd_ha_struct *asd_ha)
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{
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int err;
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u16 cmd_reg;
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err = pci_read_config_word(asd_ha->pcidev, PCI_COMMAND, &cmd_reg);
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if (err) {
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asd_printk("couldn't read command register of %s\n",
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pci_name(asd_ha->pcidev));
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goto Err;
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}
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err = -ENODEV;
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if (cmd_reg & PCI_COMMAND_MEMORY) {
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if ((err = asd_map_memio(asd_ha)))
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goto Err;
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} else if (cmd_reg & PCI_COMMAND_IO) {
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if ((err = asd_map_ioport(asd_ha)))
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goto Err;
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asd_printk("%s ioport mapped -- upgrade your hardware\n",
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pci_name(asd_ha->pcidev));
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} else {
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asd_printk("no proper device access to %s\n",
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pci_name(asd_ha->pcidev));
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goto Err;
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}
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return 0;
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Err:
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return err;
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}
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static void __devexit asd_unmap_ha(struct asd_ha_struct *asd_ha)
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{
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if (asd_ha->iospace)
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asd_unmap_ioport(asd_ha);
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else
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asd_unmap_memio(asd_ha);
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}
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static const char *asd_dev_rev[30] = {
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[0] = "A0",
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[1] = "A1",
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[8] = "B0",
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};
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static int __devinit asd_common_setup(struct asd_ha_struct *asd_ha)
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{
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int err, i;
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err = pci_read_config_byte(asd_ha->pcidev, PCI_REVISION_ID,
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&asd_ha->revision_id);
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if (err) {
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asd_printk("couldn't read REVISION ID register of %s\n",
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pci_name(asd_ha->pcidev));
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goto Err;
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}
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err = -ENODEV;
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if (asd_ha->revision_id < AIC9410_DEV_REV_B0) {
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asd_printk("%s is revision %s (%X), which is not supported\n",
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pci_name(asd_ha->pcidev),
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asd_dev_rev[asd_ha->revision_id],
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asd_ha->revision_id);
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goto Err;
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}
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/* Provide some sane default values. */
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asd_ha->hw_prof.max_scbs = 512;
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asd_ha->hw_prof.max_ddbs = 128;
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asd_ha->hw_prof.num_phys = ASD_MAX_PHYS;
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/* All phys are enabled, by default. */
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asd_ha->hw_prof.enabled_phys = 0xFF;
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for (i = 0; i < ASD_MAX_PHYS; i++) {
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asd_ha->hw_prof.phy_desc[i].max_sas_lrate =
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SAS_LINK_RATE_3_0_GBPS;
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asd_ha->hw_prof.phy_desc[i].min_sas_lrate =
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SAS_LINK_RATE_1_5_GBPS;
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asd_ha->hw_prof.phy_desc[i].max_sata_lrate =
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SAS_LINK_RATE_1_5_GBPS;
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asd_ha->hw_prof.phy_desc[i].min_sata_lrate =
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SAS_LINK_RATE_1_5_GBPS;
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}
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return 0;
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Err:
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return err;
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}
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static int __devinit asd_aic9410_setup(struct asd_ha_struct *asd_ha)
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{
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int err = asd_common_setup(asd_ha);
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if (err)
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return err;
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asd_ha->hw_prof.addr_range = 8;
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asd_ha->hw_prof.port_name_base = 0;
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asd_ha->hw_prof.dev_name_base = 8;
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asd_ha->hw_prof.sata_name_base = 16;
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return 0;
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}
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static int __devinit asd_aic9405_setup(struct asd_ha_struct *asd_ha)
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{
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int err = asd_common_setup(asd_ha);
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if (err)
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return err;
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asd_ha->hw_prof.addr_range = 4;
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asd_ha->hw_prof.port_name_base = 0;
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asd_ha->hw_prof.dev_name_base = 4;
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asd_ha->hw_prof.sata_name_base = 8;
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return 0;
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}
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static ssize_t asd_show_dev_rev(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
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return snprintf(buf, PAGE_SIZE, "%s\n",
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asd_dev_rev[asd_ha->revision_id]);
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}
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static DEVICE_ATTR(revision, S_IRUGO, asd_show_dev_rev, NULL);
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static ssize_t asd_show_dev_bios_build(struct device *dev,
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struct device_attribute *attr,char *buf)
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{
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struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
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return snprintf(buf, PAGE_SIZE, "%d\n", asd_ha->hw_prof.bios.bld);
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}
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static DEVICE_ATTR(bios_build, S_IRUGO, asd_show_dev_bios_build, NULL);
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static ssize_t asd_show_dev_pcba_sn(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
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return snprintf(buf, PAGE_SIZE, "%s\n", asd_ha->hw_prof.pcba_sn);
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}
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static DEVICE_ATTR(pcba_sn, S_IRUGO, asd_show_dev_pcba_sn, NULL);
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static void asd_create_dev_attrs(struct asd_ha_struct *asd_ha)
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{
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device_create_file(&asd_ha->pcidev->dev, &dev_attr_revision);
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device_create_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
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device_create_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
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}
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static void asd_remove_dev_attrs(struct asd_ha_struct *asd_ha)
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{
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device_remove_file(&asd_ha->pcidev->dev, &dev_attr_revision);
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device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
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device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
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}
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/* The first entry, 0, is used for dynamic ids, the rest for devices
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* we know about.
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*/
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static struct asd_pcidev_struct {
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const char * name;
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int (*setup)(struct asd_ha_struct *asd_ha);
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} asd_pcidev_data[] = {
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/* Id 0 is used for dynamic ids. */
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{ .name = "Adaptec AIC-94xx SAS/SATA Host Adapter",
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.setup = asd_aic9410_setup
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},
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{ .name = "Adaptec AIC-9410W SAS/SATA Host Adapter",
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.setup = asd_aic9410_setup
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},
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{ .name = "Adaptec AIC-9405W SAS/SATA Host Adapter",
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.setup = asd_aic9405_setup
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},
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};
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static inline int asd_create_ha_caches(struct asd_ha_struct *asd_ha)
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{
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asd_ha->scb_pool = dma_pool_create(ASD_DRIVER_NAME "_scb_pool",
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&asd_ha->pcidev->dev,
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sizeof(struct scb),
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8, 0);
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if (!asd_ha->scb_pool) {
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asd_printk("couldn't create scb pool\n");
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return -ENOMEM;
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}
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return 0;
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}
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/**
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* asd_free_edbs -- free empty data buffers
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* asd_ha: pointer to host adapter structure
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*/
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static inline void asd_free_edbs(struct asd_ha_struct *asd_ha)
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{
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struct asd_seq_data *seq = &asd_ha->seq;
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int i;
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for (i = 0; i < seq->num_edbs; i++)
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asd_free_coherent(asd_ha, seq->edb_arr[i]);
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kfree(seq->edb_arr);
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seq->edb_arr = NULL;
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}
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static inline void asd_free_escbs(struct asd_ha_struct *asd_ha)
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{
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struct asd_seq_data *seq = &asd_ha->seq;
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int i;
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for (i = 0; i < seq->num_escbs; i++) {
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if (!list_empty(&seq->escb_arr[i]->list))
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list_del_init(&seq->escb_arr[i]->list);
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asd_ascb_free(seq->escb_arr[i]);
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}
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kfree(seq->escb_arr);
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seq->escb_arr = NULL;
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}
|
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|
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static inline void asd_destroy_ha_caches(struct asd_ha_struct *asd_ha)
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{
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int i;
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if (asd_ha->hw_prof.ddb_ext)
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asd_free_coherent(asd_ha, asd_ha->hw_prof.ddb_ext);
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if (asd_ha->hw_prof.scb_ext)
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asd_free_coherent(asd_ha, asd_ha->hw_prof.scb_ext);
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|
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if (asd_ha->hw_prof.ddb_bitmap)
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kfree(asd_ha->hw_prof.ddb_bitmap);
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asd_ha->hw_prof.ddb_bitmap = NULL;
|
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|
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for (i = 0; i < ASD_MAX_PHYS; i++) {
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struct asd_phy *phy = &asd_ha->phys[i];
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|
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asd_free_coherent(asd_ha, phy->id_frm_tok);
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}
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if (asd_ha->seq.escb_arr)
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asd_free_escbs(asd_ha);
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if (asd_ha->seq.edb_arr)
|
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asd_free_edbs(asd_ha);
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if (asd_ha->hw_prof.ue.area) {
|
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kfree(asd_ha->hw_prof.ue.area);
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asd_ha->hw_prof.ue.area = NULL;
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}
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if (asd_ha->seq.tc_index_array) {
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kfree(asd_ha->seq.tc_index_array);
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kfree(asd_ha->seq.tc_index_bitmap);
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asd_ha->seq.tc_index_array = NULL;
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asd_ha->seq.tc_index_bitmap = NULL;
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}
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if (asd_ha->seq.actual_dl) {
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asd_free_coherent(asd_ha, asd_ha->seq.actual_dl);
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asd_ha->seq.actual_dl = NULL;
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asd_ha->seq.dl = NULL;
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}
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if (asd_ha->seq.next_scb.vaddr) {
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dma_pool_free(asd_ha->scb_pool, asd_ha->seq.next_scb.vaddr,
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asd_ha->seq.next_scb.dma_handle);
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asd_ha->seq.next_scb.vaddr = NULL;
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}
|
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dma_pool_destroy(asd_ha->scb_pool);
|
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asd_ha->scb_pool = NULL;
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}
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|
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kmem_cache_t *asd_dma_token_cache;
|
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kmem_cache_t *asd_ascb_cache;
|
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|
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static int asd_create_global_caches(void)
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{
|
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if (!asd_dma_token_cache) {
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asd_dma_token_cache
|
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= kmem_cache_create(ASD_DRIVER_NAME "_dma_token",
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sizeof(struct asd_dma_tok),
|
|
0,
|
|
SLAB_HWCACHE_ALIGN,
|
|
NULL, NULL);
|
|
if (!asd_dma_token_cache) {
|
|
asd_printk("couldn't create dma token cache\n");
|
|
return -ENOMEM;
|
|
}
|
|
}
|
|
|
|
if (!asd_ascb_cache) {
|
|
asd_ascb_cache = kmem_cache_create(ASD_DRIVER_NAME "_ascb",
|
|
sizeof(struct asd_ascb),
|
|
0,
|
|
SLAB_HWCACHE_ALIGN,
|
|
NULL, NULL);
|
|
if (!asd_ascb_cache) {
|
|
asd_printk("couldn't create ascb cache\n");
|
|
goto Err;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
Err:
|
|
kmem_cache_destroy(asd_dma_token_cache);
|
|
asd_dma_token_cache = NULL;
|
|
return -ENOMEM;
|
|
}
|
|
|
|
static void asd_destroy_global_caches(void)
|
|
{
|
|
if (asd_dma_token_cache)
|
|
kmem_cache_destroy(asd_dma_token_cache);
|
|
asd_dma_token_cache = NULL;
|
|
|
|
if (asd_ascb_cache)
|
|
kmem_cache_destroy(asd_ascb_cache);
|
|
asd_ascb_cache = NULL;
|
|
}
|
|
|
|
static int asd_register_sas_ha(struct asd_ha_struct *asd_ha)
|
|
{
|
|
int i;
|
|
struct asd_sas_phy **sas_phys =
|
|
kmalloc(ASD_MAX_PHYS * sizeof(struct asd_sas_phy), GFP_KERNEL);
|
|
struct asd_sas_port **sas_ports =
|
|
kmalloc(ASD_MAX_PHYS * sizeof(struct asd_sas_port), GFP_KERNEL);
|
|
|
|
if (!sas_phys || !sas_ports) {
|
|
kfree(sas_phys);
|
|
kfree(sas_ports);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
asd_ha->sas_ha.sas_ha_name = (char *) asd_ha->name;
|
|
asd_ha->sas_ha.lldd_module = THIS_MODULE;
|
|
asd_ha->sas_ha.sas_addr = &asd_ha->hw_prof.sas_addr[0];
|
|
|
|
for (i = 0; i < ASD_MAX_PHYS; i++) {
|
|
sas_phys[i] = &asd_ha->phys[i].sas_phy;
|
|
sas_ports[i] = &asd_ha->ports[i];
|
|
}
|
|
|
|
asd_ha->sas_ha.sas_phy = sas_phys;
|
|
asd_ha->sas_ha.sas_port= sas_ports;
|
|
asd_ha->sas_ha.num_phys= ASD_MAX_PHYS;
|
|
|
|
asd_ha->sas_ha.lldd_queue_size = asd_ha->seq.can_queue;
|
|
|
|
return sas_register_ha(&asd_ha->sas_ha);
|
|
}
|
|
|
|
static int asd_unregister_sas_ha(struct asd_ha_struct *asd_ha)
|
|
{
|
|
int err;
|
|
|
|
err = sas_unregister_ha(&asd_ha->sas_ha);
|
|
|
|
sas_remove_host(asd_ha->sas_ha.core.shost);
|
|
scsi_remove_host(asd_ha->sas_ha.core.shost);
|
|
scsi_host_put(asd_ha->sas_ha.core.shost);
|
|
|
|
kfree(asd_ha->sas_ha.sas_phy);
|
|
kfree(asd_ha->sas_ha.sas_port);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int __devinit asd_pci_probe(struct pci_dev *dev,
|
|
const struct pci_device_id *id)
|
|
{
|
|
struct asd_pcidev_struct *asd_dev;
|
|
unsigned asd_id = (unsigned) id->driver_data;
|
|
struct asd_ha_struct *asd_ha;
|
|
struct Scsi_Host *shost;
|
|
int err;
|
|
|
|
if (asd_id >= ARRAY_SIZE(asd_pcidev_data)) {
|
|
asd_printk("wrong driver_data in PCI table\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
if ((err = pci_enable_device(dev))) {
|
|
asd_printk("couldn't enable device %s\n", pci_name(dev));
|
|
return err;
|
|
}
|
|
|
|
pci_set_master(dev);
|
|
|
|
err = -ENOMEM;
|
|
|
|
shost = scsi_host_alloc(&aic94xx_sht, sizeof(void *));
|
|
if (!shost)
|
|
goto Err;
|
|
|
|
asd_dev = &asd_pcidev_data[asd_id];
|
|
|
|
asd_ha = kzalloc(sizeof(*asd_ha), GFP_KERNEL);
|
|
if (!asd_ha) {
|
|
asd_printk("out of memory\n");
|
|
goto Err;
|
|
}
|
|
asd_ha->pcidev = dev;
|
|
asd_ha->sas_ha.pcidev = asd_ha->pcidev;
|
|
asd_ha->sas_ha.lldd_ha = asd_ha;
|
|
|
|
asd_ha->name = asd_dev->name;
|
|
asd_printk("found %s, device %s\n", asd_ha->name, pci_name(dev));
|
|
|
|
SHOST_TO_SAS_HA(shost) = &asd_ha->sas_ha;
|
|
asd_ha->sas_ha.core.shost = shost;
|
|
shost->transportt = aic94xx_transport_template;
|
|
shost->max_id = ~0;
|
|
shost->max_lun = ~0;
|
|
shost->max_cmd_len = 16;
|
|
|
|
err = scsi_add_host(shost, &dev->dev);
|
|
if (err) {
|
|
scsi_host_put(shost);
|
|
goto Err_free;
|
|
}
|
|
|
|
|
|
|
|
err = asd_dev->setup(asd_ha);
|
|
if (err)
|
|
goto Err_free;
|
|
|
|
err = -ENODEV;
|
|
if (!pci_set_dma_mask(dev, DMA_64BIT_MASK)
|
|
&& !pci_set_consistent_dma_mask(dev, DMA_64BIT_MASK))
|
|
;
|
|
else if (!pci_set_dma_mask(dev, DMA_32BIT_MASK)
|
|
&& !pci_set_consistent_dma_mask(dev, DMA_32BIT_MASK))
|
|
;
|
|
else {
|
|
asd_printk("no suitable DMA mask for %s\n", pci_name(dev));
|
|
goto Err_free;
|
|
}
|
|
|
|
pci_set_drvdata(dev, asd_ha);
|
|
|
|
err = asd_map_ha(asd_ha);
|
|
if (err)
|
|
goto Err_free;
|
|
|
|
err = asd_create_ha_caches(asd_ha);
|
|
if (err)
|
|
goto Err_unmap;
|
|
|
|
err = asd_init_hw(asd_ha);
|
|
if (err)
|
|
goto Err_free_cache;
|
|
|
|
asd_printk("device %s: SAS addr %llx, PCBA SN %s, %d phys, %d enabled "
|
|
"phys, flash %s, BIOS %s%d\n",
|
|
pci_name(dev), SAS_ADDR(asd_ha->hw_prof.sas_addr),
|
|
asd_ha->hw_prof.pcba_sn, asd_ha->hw_prof.max_phys,
|
|
asd_ha->hw_prof.num_phys,
|
|
asd_ha->hw_prof.flash.present ? "present" : "not present",
|
|
asd_ha->hw_prof.bios.present ? "build " : "not present",
|
|
asd_ha->hw_prof.bios.bld);
|
|
|
|
shost->can_queue = asd_ha->seq.can_queue;
|
|
|
|
if (use_msi)
|
|
pci_enable_msi(asd_ha->pcidev);
|
|
|
|
err = request_irq(asd_ha->pcidev->irq, asd_hw_isr, SA_SHIRQ,
|
|
ASD_DRIVER_NAME, asd_ha);
|
|
if (err) {
|
|
asd_printk("couldn't get irq %d for %s\n",
|
|
asd_ha->pcidev->irq, pci_name(asd_ha->pcidev));
|
|
goto Err_irq;
|
|
}
|
|
asd_enable_ints(asd_ha);
|
|
|
|
err = asd_init_post_escbs(asd_ha);
|
|
if (err) {
|
|
asd_printk("couldn't post escbs for %s\n",
|
|
pci_name(asd_ha->pcidev));
|
|
goto Err_escbs;
|
|
}
|
|
ASD_DPRINTK("escbs posted\n");
|
|
|
|
asd_create_dev_attrs(asd_ha);
|
|
|
|
err = asd_register_sas_ha(asd_ha);
|
|
if (err)
|
|
goto Err_reg_sas;
|
|
|
|
err = asd_enable_phys(asd_ha, asd_ha->hw_prof.enabled_phys);
|
|
if (err) {
|
|
asd_printk("coudln't enable phys, err:%d\n", err);
|
|
goto Err_en_phys;
|
|
}
|
|
ASD_DPRINTK("enabled phys\n");
|
|
/* give the phy enabling interrupt event time to come in (1s
|
|
* is empirically about all it takes) */
|
|
ssleep(1);
|
|
/* Wait for discovery to finish */
|
|
scsi_flush_work(asd_ha->sas_ha.core.shost);
|
|
|
|
return 0;
|
|
Err_en_phys:
|
|
asd_unregister_sas_ha(asd_ha);
|
|
Err_reg_sas:
|
|
asd_remove_dev_attrs(asd_ha);
|
|
Err_escbs:
|
|
asd_disable_ints(asd_ha);
|
|
free_irq(dev->irq, asd_ha);
|
|
Err_irq:
|
|
if (use_msi)
|
|
pci_disable_msi(dev);
|
|
asd_chip_hardrst(asd_ha);
|
|
Err_free_cache:
|
|
asd_destroy_ha_caches(asd_ha);
|
|
Err_unmap:
|
|
asd_unmap_ha(asd_ha);
|
|
Err_free:
|
|
kfree(asd_ha);
|
|
scsi_remove_host(shost);
|
|
Err:
|
|
pci_disable_device(dev);
|
|
return err;
|
|
}
|
|
|
|
static void asd_free_queues(struct asd_ha_struct *asd_ha)
|
|
{
|
|
unsigned long flags;
|
|
LIST_HEAD(pending);
|
|
struct list_head *n, *pos;
|
|
|
|
spin_lock_irqsave(&asd_ha->seq.pend_q_lock, flags);
|
|
asd_ha->seq.pending = 0;
|
|
list_splice_init(&asd_ha->seq.pend_q, &pending);
|
|
spin_unlock_irqrestore(&asd_ha->seq.pend_q_lock, flags);
|
|
|
|
if (!list_empty(&pending))
|
|
ASD_DPRINTK("Uh-oh! Pending is not empty!\n");
|
|
|
|
list_for_each_safe(pos, n, &pending) {
|
|
struct asd_ascb *ascb = list_entry(pos, struct asd_ascb, list);
|
|
list_del_init(pos);
|
|
ASD_DPRINTK("freeing from pending\n");
|
|
asd_ascb_free(ascb);
|
|
}
|
|
}
|
|
|
|
static void asd_turn_off_leds(struct asd_ha_struct *asd_ha)
|
|
{
|
|
u8 phy_mask = asd_ha->hw_prof.enabled_phys;
|
|
u8 i;
|
|
|
|
for_each_phy(phy_mask, phy_mask, i) {
|
|
asd_turn_led(asd_ha, i, 0);
|
|
asd_control_led(asd_ha, i, 0);
|
|
}
|
|
}
|
|
|
|
static void __devexit asd_pci_remove(struct pci_dev *dev)
|
|
{
|
|
struct asd_ha_struct *asd_ha = pci_get_drvdata(dev);
|
|
|
|
if (!asd_ha)
|
|
return;
|
|
|
|
asd_unregister_sas_ha(asd_ha);
|
|
|
|
asd_disable_ints(asd_ha);
|
|
|
|
asd_remove_dev_attrs(asd_ha);
|
|
|
|
/* XXX more here as needed */
|
|
|
|
free_irq(dev->irq, asd_ha);
|
|
if (use_msi)
|
|
pci_disable_msi(asd_ha->pcidev);
|
|
asd_turn_off_leds(asd_ha);
|
|
asd_chip_hardrst(asd_ha);
|
|
asd_free_queues(asd_ha);
|
|
asd_destroy_ha_caches(asd_ha);
|
|
asd_unmap_ha(asd_ha);
|
|
kfree(asd_ha);
|
|
pci_disable_device(dev);
|
|
return;
|
|
}
|
|
|
|
static ssize_t asd_version_show(struct device_driver *driver, char *buf)
|
|
{
|
|
return snprintf(buf, PAGE_SIZE, "%s\n", ASD_DRIVER_VERSION);
|
|
}
|
|
static DRIVER_ATTR(version, S_IRUGO, asd_version_show, NULL);
|
|
|
|
static void asd_create_driver_attrs(struct device_driver *driver)
|
|
{
|
|
driver_create_file(driver, &driver_attr_version);
|
|
}
|
|
|
|
static void asd_remove_driver_attrs(struct device_driver *driver)
|
|
{
|
|
driver_remove_file(driver, &driver_attr_version);
|
|
}
|
|
|
|
static struct sas_domain_function_template aic94xx_transport_functions = {
|
|
.lldd_port_formed = asd_update_port_links,
|
|
|
|
.lldd_dev_found = asd_dev_found,
|
|
.lldd_dev_gone = asd_dev_gone,
|
|
|
|
.lldd_execute_task = asd_execute_task,
|
|
|
|
.lldd_abort_task = asd_abort_task,
|
|
.lldd_abort_task_set = asd_abort_task_set,
|
|
.lldd_clear_aca = asd_clear_aca,
|
|
.lldd_clear_task_set = asd_clear_task_set,
|
|
.lldd_I_T_nexus_reset = NULL,
|
|
.lldd_lu_reset = asd_lu_reset,
|
|
.lldd_query_task = asd_query_task,
|
|
|
|
.lldd_clear_nexus_port = asd_clear_nexus_port,
|
|
.lldd_clear_nexus_ha = asd_clear_nexus_ha,
|
|
|
|
.lldd_control_phy = asd_control_phy,
|
|
};
|
|
|
|
static const struct pci_device_id aic94xx_pci_table[] __devinitdata = {
|
|
{PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR10),
|
|
0, 0, 1},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR12),
|
|
0, 0, 1},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR1E),
|
|
0, 0, 1},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR30),
|
|
0, 0, 2},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR32),
|
|
0, 0, 2},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR3E),
|
|
0, 0, 2},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR3F),
|
|
0, 0, 2},
|
|
{}
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(pci, aic94xx_pci_table);
|
|
|
|
static struct pci_driver aic94xx_pci_driver = {
|
|
.name = ASD_DRIVER_NAME,
|
|
.id_table = aic94xx_pci_table,
|
|
.probe = asd_pci_probe,
|
|
.remove = __devexit_p(asd_pci_remove),
|
|
};
|
|
|
|
static int __init aic94xx_init(void)
|
|
{
|
|
int err;
|
|
|
|
|
|
asd_printk("%s version %s loaded\n", ASD_DRIVER_DESCRIPTION,
|
|
ASD_DRIVER_VERSION);
|
|
|
|
err = asd_create_global_caches();
|
|
if (err)
|
|
return err;
|
|
|
|
aic94xx_transport_template =
|
|
sas_domain_attach_transport(&aic94xx_transport_functions);
|
|
if (!aic94xx_transport_template)
|
|
goto out_destroy_caches;
|
|
|
|
err = pci_register_driver(&aic94xx_pci_driver);
|
|
if (err)
|
|
goto out_release_transport;
|
|
|
|
asd_create_driver_attrs(&aic94xx_pci_driver.driver);
|
|
|
|
return err;
|
|
|
|
out_release_transport:
|
|
sas_release_transport(aic94xx_transport_template);
|
|
out_destroy_caches:
|
|
asd_destroy_global_caches();
|
|
|
|
return err;
|
|
}
|
|
|
|
static void __exit aic94xx_exit(void)
|
|
{
|
|
asd_remove_driver_attrs(&aic94xx_pci_driver.driver);
|
|
pci_unregister_driver(&aic94xx_pci_driver);
|
|
sas_release_transport(aic94xx_transport_template);
|
|
asd_destroy_global_caches();
|
|
asd_printk("%s version %s unloaded\n", ASD_DRIVER_DESCRIPTION,
|
|
ASD_DRIVER_VERSION);
|
|
}
|
|
|
|
module_init(aic94xx_init);
|
|
module_exit(aic94xx_exit);
|
|
|
|
MODULE_AUTHOR("Luben Tuikov <luben_tuikov@adaptec.com>");
|
|
MODULE_DESCRIPTION(ASD_DRIVER_DESCRIPTION);
|
|
MODULE_LICENSE("GPL v2");
|
|
MODULE_VERSION(ASD_DRIVER_VERSION);
|