mirror of https://gitee.com/openkylin/linux.git
1054 lines
26 KiB
C
1054 lines
26 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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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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#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 <linux/firmware.h>
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#include <linux/slab.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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#include "aic94xx_sds.h"
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/* The format is "version.release.patchlevel" */
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#define ASD_DRIVER_VERSION "1.0.3"
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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 struct scsi_transport_template *aic94xx_transport_template;
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static int asd_scan_finished(struct Scsi_Host *, unsigned long);
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static void asd_scan_start(struct Scsi_Host *);
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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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.scan_finished = asd_scan_finished,
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.scan_start = asd_scan_start,
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.change_queue_depth = sas_change_queue_depth,
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.bios_param = sas_bios_param,
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.can_queue = 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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.eh_device_reset_handler = sas_eh_device_reset_handler,
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.eh_target_reset_handler = sas_eh_target_reset_handler,
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.target_destroy = sas_target_destroy,
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.ioctl = sas_ioctl,
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.track_queue_depth = 1,
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};
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static int 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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io_handle->addr = ioremap(io_handle->start, 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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err = -ENOMEM;
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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 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 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 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 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 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 asd_common_setup(struct asd_ha_struct *asd_ha)
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{
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int err, i;
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asd_ha->revision_id = asd_ha->pcidev->revision;
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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 = ASD_MAX_DDBS;
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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 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 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(aic_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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#define FLASH_CMD_NONE 0x00
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#define FLASH_CMD_UPDATE 0x01
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#define FLASH_CMD_VERIFY 0x02
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struct flash_command {
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u8 command[8];
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int code;
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};
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static struct flash_command flash_command_table[] =
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{
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{"verify", FLASH_CMD_VERIFY},
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{"update", FLASH_CMD_UPDATE},
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{"", FLASH_CMD_NONE} /* Last entry should be NULL. */
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};
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struct error_bios {
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char *reason;
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int err_code;
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};
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static struct error_bios flash_error_table[] =
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{
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{"Failed to open bios image file", FAIL_OPEN_BIOS_FILE},
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{"PCI ID mismatch", FAIL_CHECK_PCI_ID},
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{"Checksum mismatch", FAIL_CHECK_SUM},
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{"Unknown Error", FAIL_UNKNOWN},
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{"Failed to verify.", FAIL_VERIFY},
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{"Failed to reset flash chip.", FAIL_RESET_FLASH},
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{"Failed to find flash chip type.", FAIL_FIND_FLASH_ID},
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{"Failed to erash flash chip.", FAIL_ERASE_FLASH},
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{"Failed to program flash chip.", FAIL_WRITE_FLASH},
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{"Flash in progress", FLASH_IN_PROGRESS},
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{"Image file size Error", FAIL_FILE_SIZE},
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{"Input parameter error", FAIL_PARAMETERS},
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{"Out of memory", FAIL_OUT_MEMORY},
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{"OK", 0} /* Last entry err_code = 0. */
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};
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static ssize_t asd_store_update_bios(struct device *dev,
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struct device_attribute *attr,
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const char *buf, size_t count)
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{
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struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
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char *cmd_ptr, *filename_ptr;
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struct bios_file_header header, *hdr_ptr;
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int res, i;
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u32 csum = 0;
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int flash_command = FLASH_CMD_NONE;
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int err = 0;
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cmd_ptr = kcalloc(count, 2, GFP_KERNEL);
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if (!cmd_ptr) {
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err = FAIL_OUT_MEMORY;
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goto out;
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}
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filename_ptr = cmd_ptr + count;
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res = sscanf(buf, "%s %s", cmd_ptr, filename_ptr);
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if (res != 2) {
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err = FAIL_PARAMETERS;
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goto out1;
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}
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for (i = 0; flash_command_table[i].code != FLASH_CMD_NONE; i++) {
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if (!memcmp(flash_command_table[i].command,
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cmd_ptr, strlen(cmd_ptr))) {
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flash_command = flash_command_table[i].code;
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break;
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}
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}
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if (flash_command == FLASH_CMD_NONE) {
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err = FAIL_PARAMETERS;
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goto out1;
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}
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if (asd_ha->bios_status == FLASH_IN_PROGRESS) {
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err = FLASH_IN_PROGRESS;
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goto out1;
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}
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err = request_firmware(&asd_ha->bios_image,
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filename_ptr,
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&asd_ha->pcidev->dev);
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if (err) {
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asd_printk("Failed to load bios image file %s, error %d\n",
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filename_ptr, err);
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err = FAIL_OPEN_BIOS_FILE;
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goto out1;
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}
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hdr_ptr = (struct bios_file_header *)asd_ha->bios_image->data;
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if ((hdr_ptr->contrl_id.vendor != asd_ha->pcidev->vendor ||
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hdr_ptr->contrl_id.device != asd_ha->pcidev->device) &&
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(hdr_ptr->contrl_id.sub_vendor != asd_ha->pcidev->vendor ||
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hdr_ptr->contrl_id.sub_device != asd_ha->pcidev->device)) {
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ASD_DPRINTK("The PCI vendor or device id does not match\n");
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ASD_DPRINTK("vendor=%x dev=%x sub_vendor=%x sub_dev=%x"
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" pci vendor=%x pci dev=%x\n",
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hdr_ptr->contrl_id.vendor,
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hdr_ptr->contrl_id.device,
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hdr_ptr->contrl_id.sub_vendor,
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hdr_ptr->contrl_id.sub_device,
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asd_ha->pcidev->vendor,
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asd_ha->pcidev->device);
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err = FAIL_CHECK_PCI_ID;
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goto out2;
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}
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if (hdr_ptr->filelen != asd_ha->bios_image->size) {
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err = FAIL_FILE_SIZE;
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goto out2;
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}
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/* calculate checksum */
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for (i = 0; i < hdr_ptr->filelen; i++)
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csum += asd_ha->bios_image->data[i];
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if ((csum & 0x0000ffff) != hdr_ptr->checksum) {
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ASD_DPRINTK("BIOS file checksum mismatch\n");
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err = FAIL_CHECK_SUM;
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goto out2;
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}
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if (flash_command == FLASH_CMD_UPDATE) {
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asd_ha->bios_status = FLASH_IN_PROGRESS;
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err = asd_write_flash_seg(asd_ha,
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&asd_ha->bios_image->data[sizeof(*hdr_ptr)],
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0, hdr_ptr->filelen-sizeof(*hdr_ptr));
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if (!err)
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err = asd_verify_flash_seg(asd_ha,
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&asd_ha->bios_image->data[sizeof(*hdr_ptr)],
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0, hdr_ptr->filelen-sizeof(*hdr_ptr));
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} else {
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asd_ha->bios_status = FLASH_IN_PROGRESS;
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err = asd_verify_flash_seg(asd_ha,
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&asd_ha->bios_image->data[sizeof(header)],
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0, hdr_ptr->filelen-sizeof(header));
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}
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out2:
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release_firmware(asd_ha->bios_image);
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out1:
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kfree(cmd_ptr);
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out:
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asd_ha->bios_status = err;
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if (!err)
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return count;
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else
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return -err;
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}
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|
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static ssize_t asd_show_update_bios(struct device *dev,
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struct device_attribute *attr, char *buf)
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|
{
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int i;
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struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
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for (i = 0; flash_error_table[i].err_code != 0; i++) {
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if (flash_error_table[i].err_code == asd_ha->bios_status)
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break;
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}
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if (asd_ha->bios_status != FLASH_IN_PROGRESS)
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asd_ha->bios_status = FLASH_OK;
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|
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return snprintf(buf, PAGE_SIZE, "status=%x %s\n",
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flash_error_table[i].err_code,
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flash_error_table[i].reason);
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}
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|
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static DEVICE_ATTR(update_bios, S_IRUGO|S_IWUSR,
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asd_show_update_bios, asd_store_update_bios);
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|
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static int asd_create_dev_attrs(struct asd_ha_struct *asd_ha)
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{
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int err;
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err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_aic_revision);
|
|
if (err)
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return err;
|
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|
|
err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
|
|
if (err)
|
|
goto err_rev;
|
|
|
|
err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
|
|
if (err)
|
|
goto err_biosb;
|
|
err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_update_bios);
|
|
if (err)
|
|
goto err_update_bios;
|
|
|
|
return 0;
|
|
|
|
err_update_bios:
|
|
device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
|
|
err_biosb:
|
|
device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
|
|
err_rev:
|
|
device_remove_file(&asd_ha->pcidev->dev, &dev_attr_aic_revision);
|
|
return err;
|
|
}
|
|
|
|
static void asd_remove_dev_attrs(struct asd_ha_struct *asd_ha)
|
|
{
|
|
device_remove_file(&asd_ha->pcidev->dev, &dev_attr_aic_revision);
|
|
device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
|
|
device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
|
|
device_remove_file(&asd_ha->pcidev->dev, &dev_attr_update_bios);
|
|
}
|
|
|
|
/* The first entry, 0, is used for dynamic ids, the rest for devices
|
|
* we know about.
|
|
*/
|
|
static const struct asd_pcidev_struct {
|
|
const char * name;
|
|
int (*setup)(struct asd_ha_struct *asd_ha);
|
|
} asd_pcidev_data[] = {
|
|
/* Id 0 is used for dynamic ids. */
|
|
{ .name = "Adaptec AIC-94xx SAS/SATA Host Adapter",
|
|
.setup = asd_aic9410_setup
|
|
},
|
|
{ .name = "Adaptec AIC-9410W SAS/SATA Host Adapter",
|
|
.setup = asd_aic9410_setup
|
|
},
|
|
{ .name = "Adaptec AIC-9405W SAS/SATA Host Adapter",
|
|
.setup = asd_aic9405_setup
|
|
},
|
|
};
|
|
|
|
static int asd_create_ha_caches(struct asd_ha_struct *asd_ha)
|
|
{
|
|
asd_ha->scb_pool = dma_pool_create(ASD_DRIVER_NAME "_scb_pool",
|
|
&asd_ha->pcidev->dev,
|
|
sizeof(struct scb),
|
|
8, 0);
|
|
if (!asd_ha->scb_pool) {
|
|
asd_printk("couldn't create scb pool\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* asd_free_edbs -- free empty data buffers
|
|
* asd_ha: pointer to host adapter structure
|
|
*/
|
|
static void asd_free_edbs(struct asd_ha_struct *asd_ha)
|
|
{
|
|
struct asd_seq_data *seq = &asd_ha->seq;
|
|
int i;
|
|
|
|
for (i = 0; i < seq->num_edbs; i++)
|
|
asd_free_coherent(asd_ha, seq->edb_arr[i]);
|
|
kfree(seq->edb_arr);
|
|
seq->edb_arr = NULL;
|
|
}
|
|
|
|
static void asd_free_escbs(struct asd_ha_struct *asd_ha)
|
|
{
|
|
struct asd_seq_data *seq = &asd_ha->seq;
|
|
int i;
|
|
|
|
for (i = 0; i < seq->num_escbs; i++) {
|
|
if (!list_empty(&seq->escb_arr[i]->list))
|
|
list_del_init(&seq->escb_arr[i]->list);
|
|
|
|
asd_ascb_free(seq->escb_arr[i]);
|
|
}
|
|
kfree(seq->escb_arr);
|
|
seq->escb_arr = NULL;
|
|
}
|
|
|
|
static void asd_destroy_ha_caches(struct asd_ha_struct *asd_ha)
|
|
{
|
|
int i;
|
|
|
|
if (asd_ha->hw_prof.ddb_ext)
|
|
asd_free_coherent(asd_ha, asd_ha->hw_prof.ddb_ext);
|
|
if (asd_ha->hw_prof.scb_ext)
|
|
asd_free_coherent(asd_ha, asd_ha->hw_prof.scb_ext);
|
|
|
|
if (asd_ha->hw_prof.ddb_bitmap)
|
|
kfree(asd_ha->hw_prof.ddb_bitmap);
|
|
asd_ha->hw_prof.ddb_bitmap = NULL;
|
|
|
|
for (i = 0; i < ASD_MAX_PHYS; i++) {
|
|
struct asd_phy *phy = &asd_ha->phys[i];
|
|
|
|
asd_free_coherent(asd_ha, phy->id_frm_tok);
|
|
}
|
|
if (asd_ha->seq.escb_arr)
|
|
asd_free_escbs(asd_ha);
|
|
if (asd_ha->seq.edb_arr)
|
|
asd_free_edbs(asd_ha);
|
|
if (asd_ha->hw_prof.ue.area) {
|
|
kfree(asd_ha->hw_prof.ue.area);
|
|
asd_ha->hw_prof.ue.area = NULL;
|
|
}
|
|
if (asd_ha->seq.tc_index_array) {
|
|
kfree(asd_ha->seq.tc_index_array);
|
|
kfree(asd_ha->seq.tc_index_bitmap);
|
|
asd_ha->seq.tc_index_array = NULL;
|
|
asd_ha->seq.tc_index_bitmap = NULL;
|
|
}
|
|
if (asd_ha->seq.actual_dl) {
|
|
asd_free_coherent(asd_ha, asd_ha->seq.actual_dl);
|
|
asd_ha->seq.actual_dl = NULL;
|
|
asd_ha->seq.dl = NULL;
|
|
}
|
|
if (asd_ha->seq.next_scb.vaddr) {
|
|
dma_pool_free(asd_ha->scb_pool, asd_ha->seq.next_scb.vaddr,
|
|
asd_ha->seq.next_scb.dma_handle);
|
|
asd_ha->seq.next_scb.vaddr = NULL;
|
|
}
|
|
dma_pool_destroy(asd_ha->scb_pool);
|
|
asd_ha->scb_pool = NULL;
|
|
}
|
|
|
|
struct kmem_cache *asd_dma_token_cache;
|
|
struct kmem_cache *asd_ascb_cache;
|
|
|
|
static int asd_create_global_caches(void)
|
|
{
|
|
if (!asd_dma_token_cache) {
|
|
asd_dma_token_cache
|
|
= kmem_cache_create(ASD_DRIVER_NAME "_dma_token",
|
|
sizeof(struct asd_dma_tok),
|
|
0,
|
|
SLAB_HWCACHE_ALIGN,
|
|
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);
|
|
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 =
|
|
kcalloc(ASD_MAX_PHYS, sizeof(*sas_phys), GFP_KERNEL);
|
|
struct asd_sas_port **sas_ports =
|
|
kcalloc(ASD_MAX_PHYS, sizeof(*sas_ports), 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;
|
|
|
|
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_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 asd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
|
|
{
|
|
const 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_put;
|
|
}
|
|
asd_ha->pcidev = dev;
|
|
asd_ha->sas_ha.dev = &asd_ha->pcidev->dev;
|
|
asd_ha->sas_ha.lldd_ha = asd_ha;
|
|
|
|
asd_ha->bios_status = FLASH_OK;
|
|
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)
|
|
goto Err_free;
|
|
|
|
err = asd_dev->setup(asd_ha);
|
|
if (err)
|
|
goto Err_remove;
|
|
|
|
err = dma_set_mask_and_coherent(&dev->dev, DMA_BIT_MASK(64));
|
|
if (err)
|
|
err = dma_set_mask_and_coherent(&dev->dev, DMA_BIT_MASK(32));
|
|
if (err) {
|
|
err = -ENODEV;
|
|
asd_printk("no suitable DMA mask for %s\n", pci_name(dev));
|
|
goto Err_remove;
|
|
}
|
|
|
|
pci_set_drvdata(dev, asd_ha);
|
|
|
|
err = asd_map_ha(asd_ha);
|
|
if (err)
|
|
goto Err_remove;
|
|
|
|
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, IRQF_SHARED,
|
|
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");
|
|
|
|
err = asd_create_dev_attrs(asd_ha);
|
|
if (err)
|
|
goto Err_dev_attrs;
|
|
|
|
err = asd_register_sas_ha(asd_ha);
|
|
if (err)
|
|
goto Err_reg_sas;
|
|
|
|
scsi_scan_host(shost);
|
|
|
|
return 0;
|
|
|
|
Err_reg_sas:
|
|
asd_remove_dev_attrs(asd_ha);
|
|
Err_dev_attrs:
|
|
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_remove:
|
|
scsi_remove_host(shost);
|
|
Err_free:
|
|
kfree(asd_ha);
|
|
Err_put:
|
|
scsi_host_put(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);
|
|
/*
|
|
* Delete unexpired ascb timers. This may happen if we issue
|
|
* a CONTROL PHY scb to an adapter and rmmod before the scb
|
|
* times out. Apparently we don't wait for the CONTROL PHY
|
|
* to complete, so it doesn't matter if we kill the timer.
|
|
*/
|
|
del_timer_sync(&ascb->timer);
|
|
WARN_ON(ascb->scb->header.opcode != CONTROL_PHY);
|
|
|
|
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 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 void asd_scan_start(struct Scsi_Host *shost)
|
|
{
|
|
struct asd_ha_struct *asd_ha;
|
|
int err;
|
|
|
|
asd_ha = SHOST_TO_SAS_HA(shost)->lldd_ha;
|
|
err = asd_enable_phys(asd_ha, asd_ha->hw_prof.enabled_phys);
|
|
if (err)
|
|
asd_printk("Couldn't enable phys, err:%d\n", err);
|
|
}
|
|
|
|
static int asd_scan_finished(struct Scsi_Host *shost, unsigned long time)
|
|
{
|
|
/* give the phy enabling interrupt event time to come in (1s
|
|
* is empirically about all it takes) */
|
|
if (time < HZ)
|
|
return 0;
|
|
/* Wait for discovery to finish */
|
|
sas_drain_work(SHOST_TO_SAS_HA(shost));
|
|
return 1;
|
|
}
|
|
|
|
static ssize_t version_show(struct device_driver *driver, char *buf)
|
|
{
|
|
return snprintf(buf, PAGE_SIZE, "%s\n", ASD_DRIVER_VERSION);
|
|
}
|
|
static DRIVER_ATTR_RO(version);
|
|
|
|
static int asd_create_driver_attrs(struct device_driver *driver)
|
|
{
|
|
return 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_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 = asd_I_T_nexus_reset,
|
|
.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,
|
|
|
|
.lldd_ata_set_dmamode = asd_set_dmamode,
|
|
};
|
|
|
|
static const struct pci_device_id aic94xx_pci_table[] = {
|
|
{PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x410),0, 0, 1},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x412),0, 0, 1},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x416),0, 0, 1},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x41E),0, 0, 1},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x41F),0, 0, 1},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x430),0, 0, 2},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x432),0, 0, 2},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x43E),0, 0, 2},
|
|
{PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x43F),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 = 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) {
|
|
err = -ENOMEM;
|
|
goto out_destroy_caches;
|
|
}
|
|
|
|
err = pci_register_driver(&aic94xx_pci_driver);
|
|
if (err)
|
|
goto out_release_transport;
|
|
|
|
err = asd_create_driver_attrs(&aic94xx_pci_driver.driver);
|
|
if (err)
|
|
goto out_unregister_pcidrv;
|
|
|
|
return err;
|
|
|
|
out_unregister_pcidrv:
|
|
pci_unregister_driver(&aic94xx_pci_driver);
|
|
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_release_firmware();
|
|
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);
|