^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) 3w-sas.c -- LSI 3ware SAS/SATA-RAID Controller device driver for Linux.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) Written By: Adam Radford <aradford@gmail.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) Copyright (C) 2009 LSI Corporation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) This program is free software; you can redistribute it and/or modify
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) it under the terms of the GNU General Public License as published by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) the Free Software Foundation; version 2 of the License.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) This program is distributed in the hope that it will be useful,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) but WITHOUT ANY WARRANTY; without even the implied warranty of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) GNU General Public License for more details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) NO WARRANTY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) solely responsible for determining the appropriateness of using and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) distributing the Program and assumes all risks associated with its
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) exercise of rights under this Agreement, including but not limited to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) the risks and costs of program errors, damage to or loss of data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) programs or equipment, and unavailability or interruption of operations.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) DISCLAIMER OF LIABILITY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) You should have received a copy of the GNU General Public License
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) along with this program; if not, write to the Free Software
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) Controllers supported by this driver:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) LSI 3ware 9750 6Gb/s SAS/SATA-RAID
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) Bugs/Comments/Suggestions should be mailed to:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) aradford@gmail.com
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) History
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) -------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 3.26.02.000 - Initial driver release.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #include <linux/reboot.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #include <linux/spinlock.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #include <linux/moduleparam.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) #include <linux/pci.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) #include <linux/time.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) #include <linux/mutex.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) #include <asm/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #include <asm/irq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) #include <linux/uaccess.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) #include <scsi/scsi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) #include <scsi/scsi_host.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) #include <scsi/scsi_tcq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) #include <scsi/scsi_cmnd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) #include "3w-sas.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) /* Globals */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) #define TW_DRIVER_VERSION "3.26.02.000"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) static DEFINE_MUTEX(twl_chrdev_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) static TW_Device_Extension *twl_device_extension_list[TW_MAX_SLOT];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) static unsigned int twl_device_extension_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) static int twl_major = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) extern struct timezone sys_tz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) /* Module parameters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) MODULE_AUTHOR ("LSI");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) MODULE_DESCRIPTION ("LSI 3ware SAS/SATA-RAID Linux Driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) MODULE_VERSION(TW_DRIVER_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) static int use_msi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) module_param(use_msi, int, S_IRUGO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) MODULE_PARM_DESC(use_msi, "Use Message Signaled Interrupts. Default: 0");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) /* Function prototypes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) static int twl_reset_device_extension(TW_Device_Extension *tw_dev, int ioctl_reset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) /* Functions */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) /* This function returns AENs through sysfs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) static ssize_t twl_sysfs_aen_read(struct file *filp, struct kobject *kobj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) struct bin_attribute *bin_attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) char *outbuf, loff_t offset, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) struct device *dev = container_of(kobj, struct device, kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) struct Scsi_Host *shost = class_to_shost(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) TW_Device_Extension *tw_dev = (TW_Device_Extension *)shost->hostdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) unsigned long flags = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) ssize_t ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) if (!capable(CAP_SYS_ADMIN))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) return -EACCES;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) spin_lock_irqsave(tw_dev->host->host_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) ret = memory_read_from_buffer(outbuf, count, &offset, tw_dev->event_queue[0], sizeof(TW_Event) * TW_Q_LENGTH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) spin_unlock_irqrestore(tw_dev->host->host_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) } /* End twl_sysfs_aen_read() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) /* aen_read sysfs attribute initializer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) static struct bin_attribute twl_sysfs_aen_read_attr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) .attr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) .name = "3ware_aen_read",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) .mode = S_IRUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) .size = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) .read = twl_sysfs_aen_read
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) /* This function returns driver compatibility info through sysfs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) static ssize_t twl_sysfs_compat_info(struct file *filp, struct kobject *kobj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) struct bin_attribute *bin_attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) char *outbuf, loff_t offset, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) struct device *dev = container_of(kobj, struct device, kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) struct Scsi_Host *shost = class_to_shost(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) TW_Device_Extension *tw_dev = (TW_Device_Extension *)shost->hostdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) unsigned long flags = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) ssize_t ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) if (!capable(CAP_SYS_ADMIN))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) return -EACCES;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) spin_lock_irqsave(tw_dev->host->host_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) ret = memory_read_from_buffer(outbuf, count, &offset, &tw_dev->tw_compat_info, sizeof(TW_Compatibility_Info));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) spin_unlock_irqrestore(tw_dev->host->host_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) } /* End twl_sysfs_compat_info() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) /* compat_info sysfs attribute initializer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) static struct bin_attribute twl_sysfs_compat_info_attr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) .attr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) .name = "3ware_compat_info",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) .mode = S_IRUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) .size = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) .read = twl_sysfs_compat_info
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) /* Show some statistics about the card */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) static ssize_t twl_show_stats(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) struct Scsi_Host *host = class_to_shost(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) TW_Device_Extension *tw_dev = (TW_Device_Extension *)host->hostdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) unsigned long flags = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) ssize_t len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) spin_lock_irqsave(tw_dev->host->host_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) len = snprintf(buf, PAGE_SIZE, "3w-sas Driver version: %s\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) "Current commands posted: %4d\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) "Max commands posted: %4d\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) "Last sgl length: %4d\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) "Max sgl length: %4d\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) "Last sector count: %4d\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) "Max sector count: %4d\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) "SCSI Host Resets: %4d\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) "AEN's: %4d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) TW_DRIVER_VERSION,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) tw_dev->posted_request_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) tw_dev->max_posted_request_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) tw_dev->sgl_entries,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) tw_dev->max_sgl_entries,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) tw_dev->sector_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) tw_dev->max_sector_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) tw_dev->num_resets,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) tw_dev->aen_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) spin_unlock_irqrestore(tw_dev->host->host_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) } /* End twl_show_stats() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) /* stats sysfs attribute initializer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) static struct device_attribute twl_host_stats_attr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) .attr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) .name = "3ware_stats",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) .mode = S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) .show = twl_show_stats
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) /* Host attributes initializer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) static struct device_attribute *twl_host_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) &twl_host_stats_attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) /* This function will look up an AEN severity string */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) static char *twl_aen_severity_lookup(unsigned char severity_code)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) char *retval = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) if ((severity_code < (unsigned char) TW_AEN_SEVERITY_ERROR) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) (severity_code > (unsigned char) TW_AEN_SEVERITY_DEBUG))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) retval = twl_aen_severity_table[severity_code];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) } /* End twl_aen_severity_lookup() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) /* This function will queue an event */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) static void twl_aen_queue_event(TW_Device_Extension *tw_dev, TW_Command_Apache_Header *header)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) u32 local_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) TW_Event *event;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) unsigned short aen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) char host[16];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) char *error_str;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) tw_dev->aen_count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) /* Fill out event info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) event = tw_dev->event_queue[tw_dev->error_index];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) host[0] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) if (tw_dev->host)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) sprintf(host, " scsi%d:", tw_dev->host->host_no);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) aen = le16_to_cpu(header->status_block.error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) memset(event, 0, sizeof(TW_Event));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) event->severity = TW_SEV_OUT(header->status_block.severity__reserved);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) /* event->time_stamp_sec overflows in y2106 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) local_time = (u32)(ktime_get_real_seconds() - (sys_tz.tz_minuteswest * 60));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) event->time_stamp_sec = local_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) event->aen_code = aen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) event->retrieved = TW_AEN_NOT_RETRIEVED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) event->sequence_id = tw_dev->error_sequence_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) tw_dev->error_sequence_id++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) /* Check for embedded error string */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) error_str = &(header->err_specific_desc[strlen(header->err_specific_desc)+1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) header->err_specific_desc[sizeof(header->err_specific_desc) - 1] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) event->parameter_len = strlen(header->err_specific_desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) memcpy(event->parameter_data, header->err_specific_desc, event->parameter_len + 1 + strlen(error_str));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) if (event->severity != TW_AEN_SEVERITY_DEBUG)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) printk(KERN_WARNING "3w-sas:%s AEN: %s (0x%02X:0x%04X): %s:%s.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) twl_aen_severity_lookup(TW_SEV_OUT(header->status_block.severity__reserved)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) TW_MESSAGE_SOURCE_CONTROLLER_EVENT, aen, error_str,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) header->err_specific_desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) tw_dev->aen_count--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) tw_dev->error_index = (tw_dev->error_index + 1 ) % TW_Q_LENGTH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) } /* End twl_aen_queue_event() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) /* This function will attempt to post a command packet to the board */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) static int twl_post_command_packet(TW_Device_Extension *tw_dev, int request_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) dma_addr_t command_que_value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) command_que_value = tw_dev->command_packet_phys[request_id];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) command_que_value += TW_COMMAND_OFFSET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) /* First write upper 4 bytes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) writel((u32)((u64)command_que_value >> 32), TWL_HIBQPH_REG_ADDR(tw_dev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) /* Then the lower 4 bytes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) writel((u32)(command_que_value | TWL_PULL_MODE), TWL_HIBQPL_REG_ADDR(tw_dev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) tw_dev->state[request_id] = TW_S_POSTED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) tw_dev->posted_request_count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) if (tw_dev->posted_request_count > tw_dev->max_posted_request_count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) tw_dev->max_posted_request_count = tw_dev->posted_request_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) } /* End twl_post_command_packet() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) /* This function hands scsi cdb's to the firmware */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) static int twl_scsiop_execute_scsi(TW_Device_Extension *tw_dev, int request_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) unsigned char *cdb, int use_sg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) TW_SG_Entry_ISO *sglistarg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) TW_Command_Full *full_command_packet;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) TW_Command_Apache *command_packet;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) int i, sg_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) struct scsi_cmnd *srb = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) struct scatterlist *sglist = NULL, *sg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) int retval = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) if (tw_dev->srb[request_id]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) srb = tw_dev->srb[request_id];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) if (scsi_sglist(srb))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) sglist = scsi_sglist(srb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) /* Initialize command packet */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) full_command_packet = tw_dev->command_packet_virt[request_id];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) full_command_packet->header.header_desc.size_header = 128;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) full_command_packet->header.status_block.error = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) full_command_packet->header.status_block.severity__reserved = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) command_packet = &full_command_packet->command.newcommand;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) command_packet->status = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) command_packet->opcode__reserved = TW_OPRES_IN(0, TW_OP_EXECUTE_SCSI);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) /* We forced 16 byte cdb use earlier */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) if (!cdb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) memcpy(command_packet->cdb, srb->cmnd, TW_MAX_CDB_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) memcpy(command_packet->cdb, cdb, TW_MAX_CDB_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) if (srb) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) command_packet->unit = srb->device->id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) command_packet->request_id__lunl =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) cpu_to_le16(TW_REQ_LUN_IN(srb->device->lun, request_id));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) command_packet->request_id__lunl =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) cpu_to_le16(TW_REQ_LUN_IN(0, request_id));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) command_packet->unit = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) command_packet->sgl_offset = 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) if (!sglistarg) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) /* Map sglist from scsi layer to cmd packet */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) if (scsi_sg_count(srb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) sg_count = scsi_dma_map(srb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) if (sg_count <= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) scsi_for_each_sg(srb, sg, sg_count, i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) command_packet->sg_list[i].address = TW_CPU_TO_SGL(sg_dma_address(sg));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) command_packet->sg_list[i].length = TW_CPU_TO_SGL(sg_dma_len(sg));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) command_packet->sgl_entries__lunh = cpu_to_le16(TW_REQ_LUN_IN((srb->device->lun >> 4), scsi_sg_count(tw_dev->srb[request_id])));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) /* Internal cdb post */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) for (i = 0; i < use_sg; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) command_packet->sg_list[i].address = TW_CPU_TO_SGL(sglistarg[i].address);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) command_packet->sg_list[i].length = TW_CPU_TO_SGL(sglistarg[i].length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) command_packet->sgl_entries__lunh = cpu_to_le16(TW_REQ_LUN_IN(0, use_sg));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) /* Update some stats */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) if (srb) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) tw_dev->sector_count = scsi_bufflen(srb) / 512;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) if (tw_dev->sector_count > tw_dev->max_sector_count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) tw_dev->max_sector_count = tw_dev->sector_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) tw_dev->sgl_entries = scsi_sg_count(srb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) if (tw_dev->sgl_entries > tw_dev->max_sgl_entries)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) tw_dev->max_sgl_entries = tw_dev->sgl_entries;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) /* Now post the command to the board */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) retval = twl_post_command_packet(tw_dev, request_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) } /* End twl_scsiop_execute_scsi() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) /* This function will read the aen queue from the isr */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) static int twl_aen_read_queue(TW_Device_Extension *tw_dev, int request_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) unsigned char cdb[TW_MAX_CDB_LEN];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) TW_SG_Entry_ISO sglist[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) TW_Command_Full *full_command_packet;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) int retval = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) full_command_packet = tw_dev->command_packet_virt[request_id];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) memset(full_command_packet, 0, sizeof(TW_Command_Full));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) /* Initialize cdb */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) memset(&cdb, 0, TW_MAX_CDB_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) cdb[0] = REQUEST_SENSE; /* opcode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) cdb[4] = TW_ALLOCATION_LENGTH; /* allocation length */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) /* Initialize sglist */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) memset(&sglist, 0, sizeof(TW_SG_Entry_ISO));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) sglist[0].length = TW_SECTOR_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) sglist[0].address = tw_dev->generic_buffer_phys[request_id];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) /* Mark internal command */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) tw_dev->srb[request_id] = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) /* Now post the command packet */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) if (twl_scsiop_execute_scsi(tw_dev, request_id, cdb, 1, sglist)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) TW_PRINTK(tw_dev->host, TW_DRIVER, 0x2, "Post failed while reading AEN queue");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) retval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) } /* End twl_aen_read_queue() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) /* This function will sync firmware time with the host time */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) static void twl_aen_sync_time(TW_Device_Extension *tw_dev, int request_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) u32 schedulertime;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) TW_Command_Full *full_command_packet;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) TW_Command *command_packet;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) TW_Param_Apache *param;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) time64_t local_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) /* Fill out the command packet */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) full_command_packet = tw_dev->command_packet_virt[request_id];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) memset(full_command_packet, 0, sizeof(TW_Command_Full));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) command_packet = &full_command_packet->command.oldcommand;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) command_packet->opcode__sgloffset = TW_OPSGL_IN(2, TW_OP_SET_PARAM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) command_packet->request_id = request_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) command_packet->byte8_offset.param.sgl[0].address = TW_CPU_TO_SGL(tw_dev->generic_buffer_phys[request_id]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) command_packet->byte8_offset.param.sgl[0].length = TW_CPU_TO_SGL(TW_SECTOR_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) command_packet->size = TW_COMMAND_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) command_packet->byte6_offset.parameter_count = cpu_to_le16(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) /* Setup the param */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) param = (TW_Param_Apache *)tw_dev->generic_buffer_virt[request_id];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) memset(param, 0, TW_SECTOR_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) param->table_id = cpu_to_le16(TW_TIMEKEEP_TABLE | 0x8000); /* Controller time keep table */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) param->parameter_id = cpu_to_le16(0x3); /* SchedulerTime */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) param->parameter_size_bytes = cpu_to_le16(4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) /* Convert system time in UTC to local time seconds since last
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) Sunday 12:00AM */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) local_time = (ktime_get_real_seconds() - (sys_tz.tz_minuteswest * 60));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) div_u64_rem(local_time - (3 * 86400), 604800, &schedulertime);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) schedulertime = cpu_to_le32(schedulertime);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) memcpy(param->data, &schedulertime, sizeof(u32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) /* Mark internal command */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) tw_dev->srb[request_id] = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) /* Now post the command */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) twl_post_command_packet(tw_dev, request_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) } /* End twl_aen_sync_time() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) /* This function will assign an available request id */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) static void twl_get_request_id(TW_Device_Extension *tw_dev, int *request_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) *request_id = tw_dev->free_queue[tw_dev->free_head];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) tw_dev->free_head = (tw_dev->free_head + 1) % TW_Q_LENGTH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) tw_dev->state[*request_id] = TW_S_STARTED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) } /* End twl_get_request_id() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) /* This function will free a request id */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) static void twl_free_request_id(TW_Device_Extension *tw_dev, int request_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) tw_dev->free_queue[tw_dev->free_tail] = request_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) tw_dev->state[request_id] = TW_S_FINISHED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) tw_dev->free_tail = (tw_dev->free_tail + 1) % TW_Q_LENGTH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) } /* End twl_free_request_id() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) /* This function will complete an aen request from the isr */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) static int twl_aen_complete(TW_Device_Extension *tw_dev, int request_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) TW_Command_Full *full_command_packet;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) TW_Command *command_packet;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) TW_Command_Apache_Header *header;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) unsigned short aen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) int retval = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) header = (TW_Command_Apache_Header *)tw_dev->generic_buffer_virt[request_id];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) tw_dev->posted_request_count--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) aen = le16_to_cpu(header->status_block.error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) full_command_packet = tw_dev->command_packet_virt[request_id];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) command_packet = &full_command_packet->command.oldcommand;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) /* First check for internal completion of set param for time sync */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) if (TW_OP_OUT(command_packet->opcode__sgloffset) == TW_OP_SET_PARAM) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) /* Keep reading the queue in case there are more aen's */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) if (twl_aen_read_queue(tw_dev, request_id))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) goto out2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) retval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) switch (aen) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) case TW_AEN_QUEUE_EMPTY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) /* Quit reading the queue if this is the last one */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) case TW_AEN_SYNC_TIME_WITH_HOST:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) twl_aen_sync_time(tw_dev, request_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) retval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) twl_aen_queue_event(tw_dev, header);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) /* If there are more aen's, keep reading the queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) if (twl_aen_read_queue(tw_dev, request_id))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) goto out2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) retval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) retval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) out2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) tw_dev->state[request_id] = TW_S_COMPLETED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) twl_free_request_id(tw_dev, request_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) clear_bit(TW_IN_ATTENTION_LOOP, &tw_dev->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) } /* End twl_aen_complete() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) /* This function will poll for a response */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) static int twl_poll_response(TW_Device_Extension *tw_dev, int request_id, int seconds)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) unsigned long before;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) dma_addr_t mfa;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) u32 regh, regl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) u32 response;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) int retval = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) int found = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) before = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) while (!found) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) if (sizeof(dma_addr_t) > 4) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) regh = readl(TWL_HOBQPH_REG_ADDR(tw_dev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) regl = readl(TWL_HOBQPL_REG_ADDR(tw_dev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) mfa = ((u64)regh << 32) | regl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) mfa = readl(TWL_HOBQPL_REG_ADDR(tw_dev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) response = (u32)mfa;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) if (TW_RESID_OUT(response) == request_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) found = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) if (time_after(jiffies, before + HZ * seconds))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) msleep(50);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) retval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) } /* End twl_poll_response() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) /* This function will drain the aen queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) static int twl_aen_drain_queue(TW_Device_Extension *tw_dev, int no_check_reset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) int request_id = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) unsigned char cdb[TW_MAX_CDB_LEN];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) TW_SG_Entry_ISO sglist[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) int finished = 0, count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) TW_Command_Full *full_command_packet;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) TW_Command_Apache_Header *header;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) unsigned short aen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) int first_reset = 0, queue = 0, retval = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) if (no_check_reset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) first_reset = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) first_reset = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) full_command_packet = tw_dev->command_packet_virt[request_id];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) memset(full_command_packet, 0, sizeof(TW_Command_Full));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) /* Initialize cdb */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) memset(&cdb, 0, TW_MAX_CDB_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) cdb[0] = REQUEST_SENSE; /* opcode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) cdb[4] = TW_ALLOCATION_LENGTH; /* allocation length */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) /* Initialize sglist */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) memset(&sglist, 0, sizeof(TW_SG_Entry_ISO));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) sglist[0].length = TW_SECTOR_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) sglist[0].address = tw_dev->generic_buffer_phys[request_id];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) /* Mark internal command */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) tw_dev->srb[request_id] = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) /* Send command to the board */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) if (twl_scsiop_execute_scsi(tw_dev, request_id, cdb, 1, sglist)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) TW_PRINTK(tw_dev->host, TW_DRIVER, 0x3, "Error posting request sense");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) /* Now poll for completion */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) if (twl_poll_response(tw_dev, request_id, 30)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) TW_PRINTK(tw_dev->host, TW_DRIVER, 0x4, "No valid response while draining AEN queue");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) tw_dev->posted_request_count--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) tw_dev->posted_request_count--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) header = (TW_Command_Apache_Header *)tw_dev->generic_buffer_virt[request_id];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) aen = le16_to_cpu(header->status_block.error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) queue = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) switch (aen) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) case TW_AEN_QUEUE_EMPTY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) if (first_reset != 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) finished = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) case TW_AEN_SOFT_RESET:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) if (first_reset == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) first_reset = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) queue = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) case TW_AEN_SYNC_TIME_WITH_HOST:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) queue = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) /* Now queue an event info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) if (queue)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) twl_aen_queue_event(tw_dev, header);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) } while ((finished == 0) && (count < TW_MAX_AEN_DRAIN));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) if (count == TW_MAX_AEN_DRAIN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) retval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) tw_dev->state[request_id] = TW_S_INITIAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) } /* End twl_aen_drain_queue() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) /* This function will allocate memory and check if it is correctly aligned */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) static int twl_allocate_memory(TW_Device_Extension *tw_dev, int size, int which)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) dma_addr_t dma_handle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) unsigned long *cpu_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) int retval = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) cpu_addr = dma_alloc_coherent(&tw_dev->tw_pci_dev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) size * TW_Q_LENGTH, &dma_handle,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) if (!cpu_addr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) TW_PRINTK(tw_dev->host, TW_DRIVER, 0x5, "Memory allocation failed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) for (i = 0; i < TW_Q_LENGTH; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) switch(which) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) tw_dev->command_packet_phys[i] = dma_handle+(i*size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) tw_dev->command_packet_virt[i] = (TW_Command_Full *)((unsigned char *)cpu_addr + (i*size));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) tw_dev->generic_buffer_phys[i] = dma_handle+(i*size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) tw_dev->generic_buffer_virt[i] = (unsigned long *)((unsigned char *)cpu_addr + (i*size));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) case 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) tw_dev->sense_buffer_phys[i] = dma_handle+(i*size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) tw_dev->sense_buffer_virt[i] = (TW_Command_Apache_Header *)((unsigned char *)cpu_addr + (i*size));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) retval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) } /* End twl_allocate_memory() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) /* This function will load the request id and various sgls for ioctls */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) static void twl_load_sgl(TW_Device_Extension *tw_dev, TW_Command_Full *full_command_packet, int request_id, dma_addr_t dma_handle, int length)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) TW_Command *oldcommand;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) TW_Command_Apache *newcommand;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) TW_SG_Entry_ISO *sgl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) unsigned int pae = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) if ((sizeof(long) < 8) && (sizeof(dma_addr_t) > 4))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) pae = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) if (TW_OP_OUT(full_command_packet->command.newcommand.opcode__reserved) == TW_OP_EXECUTE_SCSI) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) newcommand = &full_command_packet->command.newcommand;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) newcommand->request_id__lunl =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) cpu_to_le16(TW_REQ_LUN_IN(TW_LUN_OUT(newcommand->request_id__lunl), request_id));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) if (length) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) newcommand->sg_list[0].address = TW_CPU_TO_SGL(dma_handle + sizeof(TW_Ioctl_Buf_Apache) - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) newcommand->sg_list[0].length = TW_CPU_TO_SGL(length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) newcommand->sgl_entries__lunh =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) cpu_to_le16(TW_REQ_LUN_IN(TW_LUN_OUT(newcommand->sgl_entries__lunh), length ? 1 : 0));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) oldcommand = &full_command_packet->command.oldcommand;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) oldcommand->request_id = request_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) if (TW_SGL_OUT(oldcommand->opcode__sgloffset)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) /* Load the sg list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) sgl = (TW_SG_Entry_ISO *)((u32 *)oldcommand+oldcommand->size - (sizeof(TW_SG_Entry_ISO)/4) + pae + (sizeof(dma_addr_t) > 4 ? 1 : 0));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) sgl->address = TW_CPU_TO_SGL(dma_handle + sizeof(TW_Ioctl_Buf_Apache) - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) sgl->length = TW_CPU_TO_SGL(length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) oldcommand->size += pae;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) oldcommand->size += sizeof(dma_addr_t) > 4 ? 1 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) } /* End twl_load_sgl() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) /* This function handles ioctl for the character device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) This interface is used by smartmontools open source software */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) static long twl_chrdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) long timeout;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) unsigned long *cpu_addr, data_buffer_length_adjusted = 0, flags = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) dma_addr_t dma_handle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) int request_id = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) TW_Ioctl_Driver_Command driver_command;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) struct inode *inode = file_inode(file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) TW_Ioctl_Buf_Apache *tw_ioctl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) TW_Command_Full *full_command_packet;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) TW_Device_Extension *tw_dev = twl_device_extension_list[iminor(inode)];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) int retval = -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) void __user *argp = (void __user *)arg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) mutex_lock(&twl_chrdev_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) /* Only let one of these through at a time */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) if (mutex_lock_interruptible(&tw_dev->ioctl_lock)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) retval = -EINTR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) /* First copy down the driver command */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) if (copy_from_user(&driver_command, argp, sizeof(TW_Ioctl_Driver_Command)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) goto out2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) /* Check data buffer size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) if (driver_command.buffer_length > TW_MAX_SECTORS * 2048) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) retval = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) goto out2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) /* Hardware can only do multiple of 512 byte transfers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) data_buffer_length_adjusted = (driver_command.buffer_length + 511) & ~511;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) /* Now allocate ioctl buf memory */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) cpu_addr = dma_alloc_coherent(&tw_dev->tw_pci_dev->dev, data_buffer_length_adjusted+sizeof(TW_Ioctl_Buf_Apache) - 1, &dma_handle, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) if (!cpu_addr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) retval = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) goto out2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) tw_ioctl = (TW_Ioctl_Buf_Apache *)cpu_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) /* Now copy down the entire ioctl */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) if (copy_from_user(tw_ioctl, argp, driver_command.buffer_length + sizeof(TW_Ioctl_Buf_Apache) - 1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) goto out3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) /* See which ioctl we are doing */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) switch (cmd) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) case TW_IOCTL_FIRMWARE_PASS_THROUGH:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) spin_lock_irqsave(tw_dev->host->host_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) twl_get_request_id(tw_dev, &request_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) /* Flag internal command */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) tw_dev->srb[request_id] = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) /* Flag chrdev ioctl */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) tw_dev->chrdev_request_id = request_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) full_command_packet = (TW_Command_Full *)&tw_ioctl->firmware_command;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) /* Load request id and sglist for both command types */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) twl_load_sgl(tw_dev, full_command_packet, request_id, dma_handle, data_buffer_length_adjusted);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) memcpy(tw_dev->command_packet_virt[request_id], &(tw_ioctl->firmware_command), sizeof(TW_Command_Full));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) /* Now post the command packet to the controller */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) twl_post_command_packet(tw_dev, request_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) spin_unlock_irqrestore(tw_dev->host->host_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) timeout = TW_IOCTL_CHRDEV_TIMEOUT*HZ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) /* Now wait for command to complete */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) timeout = wait_event_timeout(tw_dev->ioctl_wqueue, tw_dev->chrdev_request_id == TW_IOCTL_CHRDEV_FREE, timeout);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) /* We timed out, and didn't get an interrupt */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) if (tw_dev->chrdev_request_id != TW_IOCTL_CHRDEV_FREE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) /* Now we need to reset the board */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) printk(KERN_WARNING "3w-sas: scsi%d: WARNING: (0x%02X:0x%04X): Character ioctl (0x%x) timed out, resetting card.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) tw_dev->host->host_no, TW_DRIVER, 0x6,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) retval = -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) twl_reset_device_extension(tw_dev, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) goto out3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) /* Now copy in the command packet response */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) memcpy(&(tw_ioctl->firmware_command), tw_dev->command_packet_virt[request_id], sizeof(TW_Command_Full));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) /* Now complete the io */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) spin_lock_irqsave(tw_dev->host->host_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) tw_dev->posted_request_count--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) tw_dev->state[request_id] = TW_S_COMPLETED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) twl_free_request_id(tw_dev, request_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) spin_unlock_irqrestore(tw_dev->host->host_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) retval = -ENOTTY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) goto out3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) /* Now copy the entire response to userspace */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) if (copy_to_user(argp, tw_ioctl, sizeof(TW_Ioctl_Buf_Apache) + driver_command.buffer_length - 1) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) retval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) out3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) /* Now free ioctl buf memory */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) dma_free_coherent(&tw_dev->tw_pci_dev->dev, data_buffer_length_adjusted+sizeof(TW_Ioctl_Buf_Apache) - 1, cpu_addr, dma_handle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) out2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) mutex_unlock(&tw_dev->ioctl_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) mutex_unlock(&twl_chrdev_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) } /* End twl_chrdev_ioctl() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) /* This function handles open for the character device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832) static int twl_chrdev_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) unsigned int minor_number;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) int retval = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837) if (!capable(CAP_SYS_ADMIN)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838) retval = -EACCES;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) minor_number = iminor(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) if (minor_number >= twl_device_extension_count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) retval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848) } /* End twl_chrdev_open() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850) /* File operations struct for character device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) static const struct file_operations twl_fops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) .unlocked_ioctl = twl_chrdev_ioctl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) .open = twl_chrdev_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) .release = NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) .llseek = noop_llseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859) /* This function passes sense data from firmware to scsi layer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860) static int twl_fill_sense(TW_Device_Extension *tw_dev, int i, int request_id, int copy_sense, int print_host)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) TW_Command_Apache_Header *header;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863) TW_Command_Full *full_command_packet;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) unsigned short error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865) char *error_str;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) int retval = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868) header = tw_dev->sense_buffer_virt[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869) full_command_packet = tw_dev->command_packet_virt[request_id];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) /* Get embedded firmware error string */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872) error_str = &(header->err_specific_desc[strlen(header->err_specific_desc) + 1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874) /* Don't print error for Logical unit not supported during rollcall */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) error = le16_to_cpu(header->status_block.error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) if ((error != TW_ERROR_LOGICAL_UNIT_NOT_SUPPORTED) && (error != TW_ERROR_UNIT_OFFLINE) && (error != TW_ERROR_INVALID_FIELD_IN_CDB)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) if (print_host)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) printk(KERN_WARNING "3w-sas: scsi%d: ERROR: (0x%02X:0x%04X): %s:%s.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) tw_dev->host->host_no,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) TW_MESSAGE_SOURCE_CONTROLLER_ERROR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881) header->status_block.error,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882) error_str,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883) header->err_specific_desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885) printk(KERN_WARNING "3w-sas: ERROR: (0x%02X:0x%04X): %s:%s.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886) TW_MESSAGE_SOURCE_CONTROLLER_ERROR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887) header->status_block.error,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888) error_str,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889) header->err_specific_desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892) if (copy_sense) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893) memcpy(tw_dev->srb[request_id]->sense_buffer, header->sense_data, TW_SENSE_DATA_LENGTH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894) tw_dev->srb[request_id]->result = (full_command_packet->command.newcommand.status << 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899) } /* End twl_fill_sense() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901) /* This function will free up device extension resources */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902) static void twl_free_device_extension(TW_Device_Extension *tw_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904) if (tw_dev->command_packet_virt[0])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905) dma_free_coherent(&tw_dev->tw_pci_dev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906) sizeof(TW_Command_Full)*TW_Q_LENGTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907) tw_dev->command_packet_virt[0],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908) tw_dev->command_packet_phys[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910) if (tw_dev->generic_buffer_virt[0])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911) dma_free_coherent(&tw_dev->tw_pci_dev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912) TW_SECTOR_SIZE*TW_Q_LENGTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913) tw_dev->generic_buffer_virt[0],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914) tw_dev->generic_buffer_phys[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 916) if (tw_dev->sense_buffer_virt[0])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 917) dma_free_coherent(&tw_dev->tw_pci_dev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 918) sizeof(TW_Command_Apache_Header)*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 919) TW_Q_LENGTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 920) tw_dev->sense_buffer_virt[0],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 921) tw_dev->sense_buffer_phys[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 922)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 923) kfree(tw_dev->event_queue[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 924) } /* End twl_free_device_extension() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 925)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 926) /* This function will get parameter table entries from the firmware */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 927) static void *twl_get_param(TW_Device_Extension *tw_dev, int request_id, int table_id, int parameter_id, int parameter_size_bytes)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 928) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 929) TW_Command_Full *full_command_packet;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 930) TW_Command *command_packet;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 931) TW_Param_Apache *param;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 932) void *retval = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 933)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 934) /* Setup the command packet */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 935) full_command_packet = tw_dev->command_packet_virt[request_id];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 936) memset(full_command_packet, 0, sizeof(TW_Command_Full));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 937) command_packet = &full_command_packet->command.oldcommand;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 938)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 939) command_packet->opcode__sgloffset = TW_OPSGL_IN(2, TW_OP_GET_PARAM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 940) command_packet->size = TW_COMMAND_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 941) command_packet->request_id = request_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 942) command_packet->byte6_offset.block_count = cpu_to_le16(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 943)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 944) /* Now setup the param */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 945) param = (TW_Param_Apache *)tw_dev->generic_buffer_virt[request_id];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 946) memset(param, 0, TW_SECTOR_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 947) param->table_id = cpu_to_le16(table_id | 0x8000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 948) param->parameter_id = cpu_to_le16(parameter_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 949) param->parameter_size_bytes = cpu_to_le16(parameter_size_bytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 950)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 951) command_packet->byte8_offset.param.sgl[0].address = TW_CPU_TO_SGL(tw_dev->generic_buffer_phys[request_id]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 952) command_packet->byte8_offset.param.sgl[0].length = TW_CPU_TO_SGL(TW_SECTOR_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 953)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 954) /* Post the command packet to the board */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 955) twl_post_command_packet(tw_dev, request_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 956)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 957) /* Poll for completion */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 958) if (twl_poll_response(tw_dev, request_id, 30))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 959) TW_PRINTK(tw_dev->host, TW_DRIVER, 0x7, "No valid response during get param")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 960) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 961) retval = (void *)&(param->data[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 962)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 963) tw_dev->posted_request_count--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 964) tw_dev->state[request_id] = TW_S_INITIAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 965)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 966) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 967) } /* End twl_get_param() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 968)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 969) /* This function will send an initconnection command to controller */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 970) static int twl_initconnection(TW_Device_Extension *tw_dev, int message_credits,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 971) u32 set_features, unsigned short current_fw_srl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 972) unsigned short current_fw_arch_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 973) unsigned short current_fw_branch,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 974) unsigned short current_fw_build,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 975) unsigned short *fw_on_ctlr_srl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 976) unsigned short *fw_on_ctlr_arch_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 977) unsigned short *fw_on_ctlr_branch,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 978) unsigned short *fw_on_ctlr_build,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 979) u32 *init_connect_result)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 980) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 981) TW_Command_Full *full_command_packet;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 982) TW_Initconnect *tw_initconnect;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 983) int request_id = 0, retval = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 984)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 985) /* Initialize InitConnection command packet */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 986) full_command_packet = tw_dev->command_packet_virt[request_id];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 987) memset(full_command_packet, 0, sizeof(TW_Command_Full));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 988) full_command_packet->header.header_desc.size_header = 128;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 989)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 990) tw_initconnect = (TW_Initconnect *)&full_command_packet->command.oldcommand;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 991) tw_initconnect->opcode__reserved = TW_OPRES_IN(0, TW_OP_INIT_CONNECTION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 992) tw_initconnect->request_id = request_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 993) tw_initconnect->message_credits = cpu_to_le16(message_credits);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 994) tw_initconnect->features = set_features;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 995)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 996) /* Turn on 64-bit sgl support if we need to */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 997) tw_initconnect->features |= sizeof(dma_addr_t) > 4 ? 1 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 998)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 999) tw_initconnect->features = cpu_to_le32(tw_initconnect->features);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) if (set_features & TW_EXTENDED_INIT_CONNECT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) tw_initconnect->size = TW_INIT_COMMAND_PACKET_SIZE_EXTENDED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003) tw_initconnect->fw_srl = cpu_to_le16(current_fw_srl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) tw_initconnect->fw_arch_id = cpu_to_le16(current_fw_arch_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) tw_initconnect->fw_branch = cpu_to_le16(current_fw_branch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) tw_initconnect->fw_build = cpu_to_le16(current_fw_build);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008) tw_initconnect->size = TW_INIT_COMMAND_PACKET_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) /* Send command packet to the board */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011) twl_post_command_packet(tw_dev, request_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) /* Poll for completion */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) if (twl_poll_response(tw_dev, request_id, 30)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) TW_PRINTK(tw_dev->host, TW_DRIVER, 0x8, "No valid response during init connection");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) if (set_features & TW_EXTENDED_INIT_CONNECT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) *fw_on_ctlr_srl = le16_to_cpu(tw_initconnect->fw_srl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) *fw_on_ctlr_arch_id = le16_to_cpu(tw_initconnect->fw_arch_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) *fw_on_ctlr_branch = le16_to_cpu(tw_initconnect->fw_branch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) *fw_on_ctlr_build = le16_to_cpu(tw_initconnect->fw_build);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) *init_connect_result = le32_to_cpu(tw_initconnect->result);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) retval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) tw_dev->posted_request_count--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) tw_dev->state[request_id] = TW_S_INITIAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) } /* End twl_initconnection() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) /* This function will initialize the fields of a device extension */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) static int twl_initialize_device_extension(TW_Device_Extension *tw_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) int i, retval = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) /* Initialize command packet buffers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) if (twl_allocate_memory(tw_dev, sizeof(TW_Command_Full), 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) TW_PRINTK(tw_dev->host, TW_DRIVER, 0x9, "Command packet memory allocation failed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) /* Initialize generic buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) if (twl_allocate_memory(tw_dev, TW_SECTOR_SIZE, 1)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) TW_PRINTK(tw_dev->host, TW_DRIVER, 0xa, "Generic memory allocation failed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) /* Allocate sense buffers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) if (twl_allocate_memory(tw_dev, sizeof(TW_Command_Apache_Header), 2)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052) TW_PRINTK(tw_dev->host, TW_DRIVER, 0xb, "Sense buffer allocation failed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) /* Allocate event info space */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) tw_dev->event_queue[0] = kcalloc(TW_Q_LENGTH, sizeof(TW_Event), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) if (!tw_dev->event_queue[0]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059) TW_PRINTK(tw_dev->host, TW_DRIVER, 0xc, "Event info memory allocation failed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063) for (i = 0; i < TW_Q_LENGTH; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) tw_dev->event_queue[i] = (TW_Event *)((unsigned char *)tw_dev->event_queue[0] + (i * sizeof(TW_Event)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) tw_dev->free_queue[i] = i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066) tw_dev->state[i] = TW_S_INITIAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069) tw_dev->free_head = TW_Q_START;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) tw_dev->free_tail = TW_Q_START;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) tw_dev->error_sequence_id = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) tw_dev->chrdev_request_id = TW_IOCTL_CHRDEV_FREE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) mutex_init(&tw_dev->ioctl_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075) init_waitqueue_head(&tw_dev->ioctl_wqueue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077) retval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080) } /* End twl_initialize_device_extension() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) /* This function will handle attention interrupts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083) static int twl_handle_attention_interrupt(TW_Device_Extension *tw_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) int retval = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) u32 request_id, doorbell;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) /* Read doorbell status */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089) doorbell = readl(TWL_HOBDB_REG_ADDR(tw_dev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091) /* Check for controller errors */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) if (doorbell & TWL_DOORBELL_CONTROLLER_ERROR) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093) TW_PRINTK(tw_dev->host, TW_DRIVER, 0xd, "Microcontroller Error: clearing");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) /* Check if we need to perform an AEN drain */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098) if (doorbell & TWL_DOORBELL_ATTENTION_INTERRUPT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) if (!(test_and_set_bit(TW_IN_ATTENTION_LOOP, &tw_dev->flags))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100) twl_get_request_id(tw_dev, &request_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) if (twl_aen_read_queue(tw_dev, request_id)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102) tw_dev->state[request_id] = TW_S_COMPLETED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103) twl_free_request_id(tw_dev, request_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104) clear_bit(TW_IN_ATTENTION_LOOP, &tw_dev->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109) retval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111) /* Clear doorbell interrupt */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112) TWL_CLEAR_DB_INTERRUPT(tw_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114) /* Make sure the clear was flushed by reading it back */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115) readl(TWL_HOBDBC_REG_ADDR(tw_dev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) } /* End twl_handle_attention_interrupt() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120) /* Interrupt service routine */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121) static irqreturn_t twl_interrupt(int irq, void *dev_instance)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123) TW_Device_Extension *tw_dev = (TW_Device_Extension *)dev_instance;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124) int i, handled = 0, error = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125) dma_addr_t mfa = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126) u32 reg, regl, regh, response, request_id = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127) struct scsi_cmnd *cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) TW_Command_Full *full_command_packet;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) spin_lock(tw_dev->host->host_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132) /* Read host interrupt status */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) reg = readl(TWL_HISTAT_REG_ADDR(tw_dev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) /* Check if this is our interrupt, otherwise bail */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) if (!(reg & TWL_HISTATUS_VALID_INTERRUPT))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) goto twl_interrupt_bail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) handled = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) /* If we are resetting, bail */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) if (test_bit(TW_IN_RESET, &tw_dev->flags))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143) goto twl_interrupt_bail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145) /* Attention interrupt */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146) if (reg & TWL_HISTATUS_ATTENTION_INTERRUPT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) if (twl_handle_attention_interrupt(tw_dev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) TWL_MASK_INTERRUPTS(tw_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) goto twl_interrupt_bail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) /* Response interrupt */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) while (reg & TWL_HISTATUS_RESPONSE_INTERRUPT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155) if (sizeof(dma_addr_t) > 4) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) regh = readl(TWL_HOBQPH_REG_ADDR(tw_dev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) regl = readl(TWL_HOBQPL_REG_ADDR(tw_dev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158) mfa = ((u64)regh << 32) | regl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) mfa = readl(TWL_HOBQPL_REG_ADDR(tw_dev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) error = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163) response = (u32)mfa;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) /* Check for command packet error */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) if (!TW_NOTMFA_OUT(response)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167) for (i=0;i<TW_Q_LENGTH;i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) if (tw_dev->sense_buffer_phys[i] == mfa) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169) request_id = le16_to_cpu(tw_dev->sense_buffer_virt[i]->header_desc.request_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) if (tw_dev->srb[request_id] != NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171) error = twl_fill_sense(tw_dev, i, request_id, 1, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172) else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173) /* Skip ioctl error prints */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174) if (request_id != tw_dev->chrdev_request_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) error = twl_fill_sense(tw_dev, i, request_id, 0, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177) memcpy(tw_dev->command_packet_virt[request_id], tw_dev->sense_buffer_virt[i], sizeof(TW_Command_Apache_Header));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180) /* Now re-post the sense buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181) writel((u32)((u64)tw_dev->sense_buffer_phys[i] >> 32), TWL_HOBQPH_REG_ADDR(tw_dev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182) writel((u32)tw_dev->sense_buffer_phys[i], TWL_HOBQPL_REG_ADDR(tw_dev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187) request_id = TW_RESID_OUT(response);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189) full_command_packet = tw_dev->command_packet_virt[request_id];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191) /* Check for correct state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192) if (tw_dev->state[request_id] != TW_S_POSTED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193) if (tw_dev->srb[request_id] != NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194) TW_PRINTK(tw_dev->host, TW_DRIVER, 0xe, "Received a request id that wasn't posted");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195) TWL_MASK_INTERRUPTS(tw_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196) goto twl_interrupt_bail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200) /* Check for internal command completion */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201) if (tw_dev->srb[request_id] == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202) if (request_id != tw_dev->chrdev_request_id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203) if (twl_aen_complete(tw_dev, request_id))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204) TW_PRINTK(tw_dev->host, TW_DRIVER, 0xf, "Error completing AEN during attention interrupt");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206) tw_dev->chrdev_request_id = TW_IOCTL_CHRDEV_FREE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207) wake_up(&tw_dev->ioctl_wqueue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210) cmd = tw_dev->srb[request_id];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212) if (!error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213) cmd->result = (DID_OK << 16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215) /* Report residual bytes for single sgl */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) if ((scsi_sg_count(cmd) <= 1) && (full_command_packet->command.newcommand.status == 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217) if (full_command_packet->command.newcommand.sg_list[0].length < scsi_bufflen(tw_dev->srb[request_id]))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218) scsi_set_resid(cmd, scsi_bufflen(cmd) - full_command_packet->command.newcommand.sg_list[0].length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221) /* Now complete the io */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222) scsi_dma_unmap(cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223) cmd->scsi_done(cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224) tw_dev->state[request_id] = TW_S_COMPLETED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225) twl_free_request_id(tw_dev, request_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226) tw_dev->posted_request_count--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229) /* Check for another response interrupt */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230) reg = readl(TWL_HISTAT_REG_ADDR(tw_dev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233) twl_interrupt_bail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) spin_unlock(tw_dev->host->host_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235) return IRQ_RETVAL(handled);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236) } /* End twl_interrupt() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238) /* This function will poll for a register change */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) static int twl_poll_register(TW_Device_Extension *tw_dev, void *reg, u32 value, u32 result, int seconds)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241) unsigned long before;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) int retval = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243) u32 reg_value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245) reg_value = readl(reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246) before = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) while ((reg_value & value) != result) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249) reg_value = readl(reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250) if (time_after(jiffies, before + HZ * seconds))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252) msleep(50);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254) retval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257) } /* End twl_poll_register() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259) /* This function will reset a controller */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260) static int twl_reset_sequence(TW_Device_Extension *tw_dev, int soft_reset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262) int retval = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263) int i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264) u32 status = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265) unsigned short fw_on_ctlr_srl = 0, fw_on_ctlr_arch_id = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266) unsigned short fw_on_ctlr_branch = 0, fw_on_ctlr_build = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267) u32 init_connect_result = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268) int tries = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269) int do_soft_reset = soft_reset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271) while (tries < TW_MAX_RESET_TRIES) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272) /* Do a soft reset if one is needed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1273) if (do_soft_reset) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1274) TWL_SOFT_RESET(tw_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1275)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1276) /* Make sure controller is in a good state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1277) if (twl_poll_register(tw_dev, TWL_SCRPD3_REG_ADDR(tw_dev), TWL_CONTROLLER_READY, 0x0, 30)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1278) TW_PRINTK(tw_dev->host, TW_DRIVER, 0x10, "Controller never went non-ready during reset sequence");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1279) tries++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1280) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1281) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1282) if (twl_poll_register(tw_dev, TWL_SCRPD3_REG_ADDR(tw_dev), TWL_CONTROLLER_READY, TWL_CONTROLLER_READY, 60)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1283) TW_PRINTK(tw_dev->host, TW_DRIVER, 0x11, "Controller not ready during reset sequence");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1284) tries++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1285) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1286) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1287) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1288)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1289) /* Initconnect */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1290) if (twl_initconnection(tw_dev, TW_INIT_MESSAGE_CREDITS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1291) TW_EXTENDED_INIT_CONNECT, TW_CURRENT_DRIVER_SRL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1292) TW_9750_ARCH_ID, TW_CURRENT_DRIVER_BRANCH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1293) TW_CURRENT_DRIVER_BUILD, &fw_on_ctlr_srl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1294) &fw_on_ctlr_arch_id, &fw_on_ctlr_branch,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1295) &fw_on_ctlr_build, &init_connect_result)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1296) TW_PRINTK(tw_dev->host, TW_DRIVER, 0x12, "Initconnection failed while checking SRL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1297) do_soft_reset = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1298) tries++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1299) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1300) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1301)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1302) /* Load sense buffers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1303) while (i < TW_Q_LENGTH) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1304) writel((u32)((u64)tw_dev->sense_buffer_phys[i] >> 32), TWL_HOBQPH_REG_ADDR(tw_dev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1305) writel((u32)tw_dev->sense_buffer_phys[i], TWL_HOBQPL_REG_ADDR(tw_dev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1306)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1307) /* Check status for over-run after each write */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1308) status = readl(TWL_STATUS_REG_ADDR(tw_dev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1309) if (!(status & TWL_STATUS_OVERRUN_SUBMIT))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1310) i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1311) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1312)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1313) /* Now check status */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1314) status = readl(TWL_STATUS_REG_ADDR(tw_dev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1315) if (status) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1316) TW_PRINTK(tw_dev->host, TW_DRIVER, 0x13, "Bad controller status after loading sense buffers");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1317) do_soft_reset = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1318) tries++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1319) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1320) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1321)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1322) /* Drain the AEN queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1323) if (twl_aen_drain_queue(tw_dev, soft_reset)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1324) TW_PRINTK(tw_dev->host, TW_DRIVER, 0x14, "AEN drain failed during reset sequence");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1325) do_soft_reset = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1326) tries++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1327) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1328) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1329)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1330) /* Load rest of compatibility struct */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1331) strncpy(tw_dev->tw_compat_info.driver_version, TW_DRIVER_VERSION, strlen(TW_DRIVER_VERSION));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1332) tw_dev->tw_compat_info.driver_srl_high = TW_CURRENT_DRIVER_SRL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1333) tw_dev->tw_compat_info.driver_branch_high = TW_CURRENT_DRIVER_BRANCH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1334) tw_dev->tw_compat_info.driver_build_high = TW_CURRENT_DRIVER_BUILD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1335) tw_dev->tw_compat_info.driver_srl_low = TW_BASE_FW_SRL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1336) tw_dev->tw_compat_info.driver_branch_low = TW_BASE_FW_BRANCH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1337) tw_dev->tw_compat_info.driver_build_low = TW_BASE_FW_BUILD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1338) tw_dev->tw_compat_info.fw_on_ctlr_srl = fw_on_ctlr_srl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1339) tw_dev->tw_compat_info.fw_on_ctlr_branch = fw_on_ctlr_branch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1340) tw_dev->tw_compat_info.fw_on_ctlr_build = fw_on_ctlr_build;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1341)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1342) /* If we got here, controller is in a good state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1343) retval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1344) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1345) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1346) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1347) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1348) } /* End twl_reset_sequence() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1349)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1350) /* This function will reset a device extension */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1351) static int twl_reset_device_extension(TW_Device_Extension *tw_dev, int ioctl_reset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1352) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1353) int i = 0, retval = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1354) unsigned long flags = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1355)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1356) /* Block SCSI requests while we are resetting */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1357) if (ioctl_reset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1358) scsi_block_requests(tw_dev->host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1359)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1360) set_bit(TW_IN_RESET, &tw_dev->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1361) TWL_MASK_INTERRUPTS(tw_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1362) TWL_CLEAR_DB_INTERRUPT(tw_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1363)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1364) spin_lock_irqsave(tw_dev->host->host_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1365)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1366) /* Abort all requests that are in progress */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1367) for (i = 0; i < TW_Q_LENGTH; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1368) if ((tw_dev->state[i] != TW_S_FINISHED) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1369) (tw_dev->state[i] != TW_S_INITIAL) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1370) (tw_dev->state[i] != TW_S_COMPLETED)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1371) struct scsi_cmnd *cmd = tw_dev->srb[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1372)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1373) if (cmd) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1374) cmd->result = (DID_RESET << 16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1375) scsi_dma_unmap(cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1376) cmd->scsi_done(cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1377) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1378) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1379) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1380)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1381) /* Reset queues and counts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1382) for (i = 0; i < TW_Q_LENGTH; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1383) tw_dev->free_queue[i] = i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1384) tw_dev->state[i] = TW_S_INITIAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1385) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1386) tw_dev->free_head = TW_Q_START;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1387) tw_dev->free_tail = TW_Q_START;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1388) tw_dev->posted_request_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1389)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1390) spin_unlock_irqrestore(tw_dev->host->host_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1391)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1392) if (twl_reset_sequence(tw_dev, 1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1393) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1394)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1395) TWL_UNMASK_INTERRUPTS(tw_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1396)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1397) clear_bit(TW_IN_RESET, &tw_dev->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1398) tw_dev->chrdev_request_id = TW_IOCTL_CHRDEV_FREE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1399)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1400) retval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1401) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1402) if (ioctl_reset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1403) scsi_unblock_requests(tw_dev->host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1404) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1405) } /* End twl_reset_device_extension() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1406)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1407) /* This funciton returns unit geometry in cylinders/heads/sectors */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1408) static int twl_scsi_biosparam(struct scsi_device *sdev, struct block_device *bdev, sector_t capacity, int geom[])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1409) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1410) int heads, sectors;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1411) TW_Device_Extension *tw_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1412)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1413) tw_dev = (TW_Device_Extension *)sdev->host->hostdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1414)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1415) if (capacity >= 0x200000) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1416) heads = 255;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1417) sectors = 63;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1418) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1419) heads = 64;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1420) sectors = 32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1421) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1422)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1423) geom[0] = heads;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1424) geom[1] = sectors;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1425) geom[2] = sector_div(capacity, heads * sectors); /* cylinders */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1426)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1427) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1428) } /* End twl_scsi_biosparam() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1429)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1430) /* This is the new scsi eh reset function */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1431) static int twl_scsi_eh_reset(struct scsi_cmnd *SCpnt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1432) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1433) TW_Device_Extension *tw_dev = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1434) int retval = FAILED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1435)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1436) tw_dev = (TW_Device_Extension *)SCpnt->device->host->hostdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1437)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1438) tw_dev->num_resets++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1439)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1440) sdev_printk(KERN_WARNING, SCpnt->device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1441) "WARNING: (0x%02X:0x%04X): Command (0x%x) timed out, resetting card.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1442) TW_DRIVER, 0x2c, SCpnt->cmnd[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1443)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1444) /* Make sure we are not issuing an ioctl or resetting from ioctl */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1445) mutex_lock(&tw_dev->ioctl_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1446)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1447) /* Now reset the card and some of the device extension data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1448) if (twl_reset_device_extension(tw_dev, 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1449) TW_PRINTK(tw_dev->host, TW_DRIVER, 0x15, "Controller reset failed during scsi host reset");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1450) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1451) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1452)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1453) retval = SUCCESS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1454) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1455) mutex_unlock(&tw_dev->ioctl_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1456) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1457) } /* End twl_scsi_eh_reset() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1458)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1459) /* This is the main scsi queue function to handle scsi opcodes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1460) static int twl_scsi_queue_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1461) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1462) int request_id, retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1463) TW_Device_Extension *tw_dev = (TW_Device_Extension *)SCpnt->device->host->hostdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1464)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1465) /* If we are resetting due to timed out ioctl, report as busy */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1466) if (test_bit(TW_IN_RESET, &tw_dev->flags)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1467) retval = SCSI_MLQUEUE_HOST_BUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1468) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1469) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1470)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1471) /* Save done function into scsi_cmnd struct */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1472) SCpnt->scsi_done = done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1473)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1474) /* Get a free request id */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1475) twl_get_request_id(tw_dev, &request_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1476)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1477) /* Save the scsi command for use by the ISR */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1478) tw_dev->srb[request_id] = SCpnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1479)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1480) retval = twl_scsiop_execute_scsi(tw_dev, request_id, NULL, 0, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1481) if (retval) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1482) tw_dev->state[request_id] = TW_S_COMPLETED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1483) twl_free_request_id(tw_dev, request_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1484) SCpnt->result = (DID_ERROR << 16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1485) done(SCpnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1486) retval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1487) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1488) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1489) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1490) } /* End twl_scsi_queue() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1491)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1492) static DEF_SCSI_QCMD(twl_scsi_queue)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1493)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1494) /* This function tells the controller to shut down */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1495) static void __twl_shutdown(TW_Device_Extension *tw_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1496) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1497) /* Disable interrupts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1498) TWL_MASK_INTERRUPTS(tw_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1499)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1500) /* Free up the IRQ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1501) free_irq(tw_dev->tw_pci_dev->irq, tw_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1502)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1503) printk(KERN_WARNING "3w-sas: Shutting down host %d.\n", tw_dev->host->host_no);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1504)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1505) /* Tell the card we are shutting down */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1506) if (twl_initconnection(tw_dev, 1, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1507) TW_PRINTK(tw_dev->host, TW_DRIVER, 0x16, "Connection shutdown failed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1508) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1509) printk(KERN_WARNING "3w-sas: Shutdown complete.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1510) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1511)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1512) /* Clear doorbell interrupt just before exit */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1513) TWL_CLEAR_DB_INTERRUPT(tw_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1514) } /* End __twl_shutdown() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1515)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1516) /* Wrapper for __twl_shutdown */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1517) static void twl_shutdown(struct pci_dev *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1518) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1519) struct Scsi_Host *host = pci_get_drvdata(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1520) TW_Device_Extension *tw_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1521)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1522) if (!host)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1523) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1524)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1525) tw_dev = (TW_Device_Extension *)host->hostdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1526)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1527) if (tw_dev->online)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1528) __twl_shutdown(tw_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1529) } /* End twl_shutdown() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1530)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1531) /* This function configures unit settings when a unit is coming on-line */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1532) static int twl_slave_configure(struct scsi_device *sdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1533) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1534) /* Force 60 second timeout */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1535) blk_queue_rq_timeout(sdev->request_queue, 60 * HZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1536)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1537) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1538) } /* End twl_slave_configure() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1539)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1540) /* scsi_host_template initializer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1541) static struct scsi_host_template driver_template = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1542) .module = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1543) .name = "3w-sas",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1544) .queuecommand = twl_scsi_queue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1545) .eh_host_reset_handler = twl_scsi_eh_reset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1546) .bios_param = twl_scsi_biosparam,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1547) .change_queue_depth = scsi_change_queue_depth,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1548) .can_queue = TW_Q_LENGTH-2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1549) .slave_configure = twl_slave_configure,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1550) .this_id = -1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1551) .sg_tablesize = TW_LIBERATOR_MAX_SGL_LENGTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1552) .max_sectors = TW_MAX_SECTORS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1553) .cmd_per_lun = TW_MAX_CMDS_PER_LUN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1554) .shost_attrs = twl_host_attrs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1555) .emulated = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1556) .no_write_same = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1557) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1558)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1559) /* This function will probe and initialize a card */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1560) static int twl_probe(struct pci_dev *pdev, const struct pci_device_id *dev_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1561) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1562) struct Scsi_Host *host = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1563) TW_Device_Extension *tw_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1564) int retval = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1565) int *ptr_phycount, phycount=0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1566)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1567) retval = pci_enable_device(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1568) if (retval) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1569) TW_PRINTK(host, TW_DRIVER, 0x17, "Failed to enable pci device");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1570) goto out_disable_device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1571) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1572)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1573) pci_set_master(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1574) pci_try_set_mwi(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1575)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1576) retval = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1577) if (retval)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1578) retval = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1579) if (retval) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1580) TW_PRINTK(host, TW_DRIVER, 0x18, "Failed to set dma mask");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1581) retval = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1582) goto out_disable_device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1583) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1584)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1585) host = scsi_host_alloc(&driver_template, sizeof(TW_Device_Extension));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1586) if (!host) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1587) TW_PRINTK(host, TW_DRIVER, 0x19, "Failed to allocate memory for device extension");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1588) retval = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1589) goto out_disable_device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1590) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1591) tw_dev = shost_priv(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1592)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1593) /* Save values to device extension */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1594) tw_dev->host = host;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1595) tw_dev->tw_pci_dev = pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1596)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1597) if (twl_initialize_device_extension(tw_dev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1598) TW_PRINTK(tw_dev->host, TW_DRIVER, 0x1a, "Failed to initialize device extension");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1599) retval = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1600) goto out_free_device_extension;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1601) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1602)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1603) /* Request IO regions */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1604) retval = pci_request_regions(pdev, "3w-sas");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1605) if (retval) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1606) TW_PRINTK(tw_dev->host, TW_DRIVER, 0x1b, "Failed to get mem region");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1607) goto out_free_device_extension;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1608) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1609)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1610) /* Save base address, use region 1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1611) tw_dev->base_addr = pci_iomap(pdev, 1, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1612) if (!tw_dev->base_addr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1613) TW_PRINTK(tw_dev->host, TW_DRIVER, 0x1c, "Failed to ioremap");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1614) retval = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1615) goto out_release_mem_region;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1616) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1617)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1618) /* Disable interrupts on the card */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1619) TWL_MASK_INTERRUPTS(tw_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1620)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1621) /* Initialize the card */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1622) if (twl_reset_sequence(tw_dev, 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1623) TW_PRINTK(tw_dev->host, TW_DRIVER, 0x1d, "Controller reset failed during probe");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1624) retval = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1625) goto out_iounmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1626) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1627)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1628) /* Set host specific parameters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1629) host->max_id = TW_MAX_UNITS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1630) host->max_cmd_len = TW_MAX_CDB_LEN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1631) host->max_lun = TW_MAX_LUNS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1632) host->max_channel = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1633)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1634) /* Register the card with the kernel SCSI layer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1635) retval = scsi_add_host(host, &pdev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1636) if (retval) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1637) TW_PRINTK(tw_dev->host, TW_DRIVER, 0x1e, "scsi add host failed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1638) goto out_iounmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1639) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1640)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1641) pci_set_drvdata(pdev, host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1642)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1643) printk(KERN_WARNING "3w-sas: scsi%d: Found an LSI 3ware %s Controller at 0x%llx, IRQ: %d.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1644) host->host_no,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1645) (char *)twl_get_param(tw_dev, 1, TW_VERSION_TABLE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1646) TW_PARAM_MODEL, TW_PARAM_MODEL_LENGTH),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1647) (u64)pci_resource_start(pdev, 1), pdev->irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1648)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1649) ptr_phycount = twl_get_param(tw_dev, 2, TW_PARAM_PHY_SUMMARY_TABLE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1650) TW_PARAM_PHYCOUNT, TW_PARAM_PHYCOUNT_LENGTH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1651) if (ptr_phycount)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1652) phycount = le32_to_cpu(*(int *)ptr_phycount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1653)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1654) printk(KERN_WARNING "3w-sas: scsi%d: Firmware %s, BIOS %s, Phys: %d.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1655) host->host_no,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1656) (char *)twl_get_param(tw_dev, 1, TW_VERSION_TABLE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1657) TW_PARAM_FWVER, TW_PARAM_FWVER_LENGTH),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1658) (char *)twl_get_param(tw_dev, 2, TW_VERSION_TABLE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1659) TW_PARAM_BIOSVER, TW_PARAM_BIOSVER_LENGTH),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1660) phycount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1661)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1662) /* Try to enable MSI */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1663) if (use_msi && !pci_enable_msi(pdev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1664) set_bit(TW_USING_MSI, &tw_dev->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1665)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1666) /* Now setup the interrupt handler */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1667) retval = request_irq(pdev->irq, twl_interrupt, IRQF_SHARED, "3w-sas", tw_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1668) if (retval) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1669) TW_PRINTK(tw_dev->host, TW_DRIVER, 0x1f, "Error requesting IRQ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1670) goto out_remove_host;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1671) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1672)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1673) twl_device_extension_list[twl_device_extension_count] = tw_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1674) twl_device_extension_count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1675)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1676) /* Re-enable interrupts on the card */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1677) TWL_UNMASK_INTERRUPTS(tw_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1678)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1679) /* Finally, scan the host */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1680) scsi_scan_host(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1681)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1682) /* Add sysfs binary files */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1683) if (sysfs_create_bin_file(&host->shost_dev.kobj, &twl_sysfs_aen_read_attr))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1684) TW_PRINTK(tw_dev->host, TW_DRIVER, 0x20, "Failed to create sysfs binary file: 3ware_aen_read");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1685) if (sysfs_create_bin_file(&host->shost_dev.kobj, &twl_sysfs_compat_info_attr))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1686) TW_PRINTK(tw_dev->host, TW_DRIVER, 0x21, "Failed to create sysfs binary file: 3ware_compat_info");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1687)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1688) if (twl_major == -1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1689) if ((twl_major = register_chrdev (0, "twl", &twl_fops)) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1690) TW_PRINTK(host, TW_DRIVER, 0x22, "Failed to register character device");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1691) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1692) tw_dev->online = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1693) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1694)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1695) out_remove_host:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1696) if (test_bit(TW_USING_MSI, &tw_dev->flags))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1697) pci_disable_msi(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1698) scsi_remove_host(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1699) out_iounmap:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1700) iounmap(tw_dev->base_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1701) out_release_mem_region:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1702) pci_release_regions(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1703) out_free_device_extension:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1704) twl_free_device_extension(tw_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1705) scsi_host_put(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1706) out_disable_device:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1707) pci_disable_device(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1708)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1709) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1710) } /* End twl_probe() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1711)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1712) /* This function is called to remove a device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1713) static void twl_remove(struct pci_dev *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1714) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1715) struct Scsi_Host *host = pci_get_drvdata(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1716) TW_Device_Extension *tw_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1717)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1718) if (!host)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1719) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1720)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1721) tw_dev = (TW_Device_Extension *)host->hostdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1722)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1723) if (!tw_dev->online)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1724) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1725)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1726) /* Remove sysfs binary files */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1727) sysfs_remove_bin_file(&host->shost_dev.kobj, &twl_sysfs_aen_read_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1728) sysfs_remove_bin_file(&host->shost_dev.kobj, &twl_sysfs_compat_info_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1729)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1730) scsi_remove_host(tw_dev->host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1731)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1732) /* Unregister character device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1733) if (twl_major >= 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1734) unregister_chrdev(twl_major, "twl");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1735) twl_major = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1736) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1737)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1738) /* Shutdown the card */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1739) __twl_shutdown(tw_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1740)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1741) /* Disable MSI if enabled */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1742) if (test_bit(TW_USING_MSI, &tw_dev->flags))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1743) pci_disable_msi(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1744)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1745) /* Free IO remapping */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1746) iounmap(tw_dev->base_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1747)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1748) /* Free up the mem region */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1749) pci_release_regions(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1750)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1751) /* Free up device extension resources */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1752) twl_free_device_extension(tw_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1753)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1754) scsi_host_put(tw_dev->host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1755) pci_disable_device(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1756) twl_device_extension_count--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1757) } /* End twl_remove() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1758)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1759) #ifdef CONFIG_PM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1760) /* This function is called on PCI suspend */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1761) static int twl_suspend(struct pci_dev *pdev, pm_message_t state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1762) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1763) struct Scsi_Host *host = pci_get_drvdata(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1764) TW_Device_Extension *tw_dev = (TW_Device_Extension *)host->hostdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1765)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1766) printk(KERN_WARNING "3w-sas: Suspending host %d.\n", tw_dev->host->host_no);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1767) /* Disable interrupts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1768) TWL_MASK_INTERRUPTS(tw_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1769)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1770) free_irq(tw_dev->tw_pci_dev->irq, tw_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1771)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1772) /* Tell the card we are shutting down */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1773) if (twl_initconnection(tw_dev, 1, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1774) TW_PRINTK(tw_dev->host, TW_DRIVER, 0x23, "Connection shutdown failed during suspend");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1775) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1776) printk(KERN_WARNING "3w-sas: Suspend complete.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1777) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1778)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1779) /* Clear doorbell interrupt */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1780) TWL_CLEAR_DB_INTERRUPT(tw_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1781)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1782) pci_save_state(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1783) pci_disable_device(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1784) pci_set_power_state(pdev, pci_choose_state(pdev, state));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1785)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1786) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1787) } /* End twl_suspend() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1788)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1789) /* This function is called on PCI resume */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1790) static int twl_resume(struct pci_dev *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1791) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1792) int retval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1793) struct Scsi_Host *host = pci_get_drvdata(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1794) TW_Device_Extension *tw_dev = (TW_Device_Extension *)host->hostdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1795)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1796) printk(KERN_WARNING "3w-sas: Resuming host %d.\n", tw_dev->host->host_no);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1797) pci_set_power_state(pdev, PCI_D0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1798) pci_enable_wake(pdev, PCI_D0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1799) pci_restore_state(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1800)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1801) retval = pci_enable_device(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1802) if (retval) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1803) TW_PRINTK(tw_dev->host, TW_DRIVER, 0x24, "Enable device failed during resume");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1804) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1805) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1806)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1807) pci_set_master(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1808) pci_try_set_mwi(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1809)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1810) retval = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1811) if (retval)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1812) retval = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1813) if (retval) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1814) TW_PRINTK(host, TW_DRIVER, 0x25, "Failed to set dma mask during resume");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1815) retval = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1816) goto out_disable_device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1817) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1818)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1819) /* Initialize the card */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1820) if (twl_reset_sequence(tw_dev, 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1821) retval = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1822) goto out_disable_device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1823) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1824)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1825) /* Now setup the interrupt handler */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1826) retval = request_irq(pdev->irq, twl_interrupt, IRQF_SHARED, "3w-sas", tw_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1827) if (retval) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1828) TW_PRINTK(tw_dev->host, TW_DRIVER, 0x26, "Error requesting IRQ during resume");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1829) retval = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1830) goto out_disable_device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1831) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1832)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1833) /* Now enable MSI if enabled */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1834) if (test_bit(TW_USING_MSI, &tw_dev->flags))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1835) pci_enable_msi(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1836)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1837) /* Re-enable interrupts on the card */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1838) TWL_UNMASK_INTERRUPTS(tw_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1839)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1840) printk(KERN_WARNING "3w-sas: Resume complete.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1841) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1842)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1843) out_disable_device:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1844) scsi_remove_host(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1845) pci_disable_device(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1846)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1847) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1848) } /* End twl_resume() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1849) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1850)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1851) /* PCI Devices supported by this driver */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1852) static struct pci_device_id twl_pci_tbl[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1853) { PCI_VDEVICE(3WARE, PCI_DEVICE_ID_3WARE_9750) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1854) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1855) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1856) MODULE_DEVICE_TABLE(pci, twl_pci_tbl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1857)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1858) /* pci_driver initializer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1859) static struct pci_driver twl_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1860) .name = "3w-sas",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1861) .id_table = twl_pci_tbl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1862) .probe = twl_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1863) .remove = twl_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1864) #ifdef CONFIG_PM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1865) .suspend = twl_suspend,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1866) .resume = twl_resume,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1867) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1868) .shutdown = twl_shutdown
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1869) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1870)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1871) /* This function is called on driver initialization */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1872) static int __init twl_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1873) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1874) printk(KERN_INFO "LSI 3ware SAS/SATA-RAID Controller device driver for Linux v%s.\n", TW_DRIVER_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1875)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1876) return pci_register_driver(&twl_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1877) } /* End twl_init() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1878)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1879) /* This function is called on driver exit */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1880) static void __exit twl_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1881) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1882) pci_unregister_driver(&twl_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1883) } /* End twl_exit() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1884)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1885) module_init(twl_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1886) module_exit(twl_exit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1887)
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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