/* * Adaptec AAC series RAID controller driver * (c) Copyright 2001 Red Hat Inc. * * based on the old aacraid driver that is.. * Adaptec aacraid device driver for Linux. * * Copyright (c) 2000 Adaptec, Inc. (aacraid@adaptec.com) * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; see the file COPYING. If not, write to * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. * * Module Name: * linit.c * * Abstract: Linux Driver entry module for Adaptec RAID Array Controller */ #define AAC_DRIVER_VERSION "1.1.2-lk2" #define AAC_DRIVER_BUILD_DATE __DATE__ #define AAC_DRIVERNAME "aacraid" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "aacraid.h" MODULE_AUTHOR("Red Hat Inc and Adaptec"); MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, " "Adaptec Advanced Raid Products, " "and HP NetRAID-4M SCSI driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(AAC_DRIVER_VERSION); static LIST_HEAD(aac_devices); static int aac_cfg_major = -1; /* * Because of the way Linux names scsi devices, the order in this table has * become important. Check for on-board Raid first, add-in cards second. * * Note: The last field is used to index into aac_drivers below. */ static struct pci_device_id aac_pci_tbl[] = { { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */ { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */ { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */ { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */ { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */ { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */ { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */ { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */ { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */ { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */ { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */ { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */ { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */ { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */ { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */ { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */ { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */ { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */ { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */ { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */ { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 25 }, /* Callisto Jupiter Platform */ { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 26 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 27 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 28 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 29 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 30 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 31 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 32 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 33 }, /* AAR-2610SA PCI SATA 6ch */ { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 34 }, /* ASR-2240S (SabreExpress) */ { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 35 }, /* ASR-4005SAS */ { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 36 }, /* IBM 8i (AvonPark) */ { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 37 }, /* ASR-4000SAS (BlackBird) */ { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 38 }, /* ASR-4800SAS (Marauder-X) */ { 0x9005, 0x0285, 0x9005, 0x029A, 0, 0, 39 }, /* ASR-4805SAS (Marauder-E) */ { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 40 }, /* Perc 320/DC*/ { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 41 }, /* Adaptec 5400S (Mustang)*/ { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 42 }, /* Adaptec 5400S (Mustang)*/ { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 43 }, /* Dell PERC2/QC */ { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 44 }, /* HP NetRAID-4M */ { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 45 }, /* Dell Catchall */ { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 46 }, /* Legend Catchall */ { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 47 }, /* Adaptec Catch All */ { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 48 }, /* Adaptec Rocket Catch All */ { 0,} }; MODULE_DEVICE_TABLE(pci, aac_pci_tbl); /* * dmb - For now we add the number of channels to this structure. * In the future we should add a fib that reports the number of channels * for the card. At that time we can remove the channels from here */ static struct aac_driver_ident aac_drivers[] = { { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 2/Si (Iguana/PERC2Si) */ { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Opal/PERC3Di) */ { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Si (SlimFast/PERC3Si */ { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Viper/PERC3DiV) */ { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Lexus/PERC3DiL) */ { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Dagger/PERC3DiD) */ { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Boxster/PERC3DiB) */ { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* catapult */ { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* tomcat */ { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */ { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */ { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan-2m) */ { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S220 (Legend Crusader) */ { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S230 (Legend Vulcan) */ { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */ { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */ { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */ { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */ { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */ { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */ { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */ { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */ { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */ { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005SAS ", 1 }, /* ASR-4005SAS */ { aac_rx_init, "aacraid", "IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */ { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000SAS ", 1 }, /* ASR-4000SAS (BlackBird & AvonPark) */ { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */ { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */ { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/ { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell PERC2/QC */ { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */ { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell Catchall */ { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend Catchall */ { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec Catch All */ { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec Rocket Catch All */ }; /** * aac_queuecommand - queue a SCSI command * @cmd: SCSI command to queue * @done: Function to call on command completion * * Queues a command for execution by the associated Host Adapter. * * TODO: unify with aac_scsi_cmd(). */ static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) { cmd->scsi_done = done; return (aac_scsi_cmd(cmd) ? FAILED : 0); } /** * aac_info - Returns the host adapter name * @shost: Scsi host to report on * * Returns a static string describing the device in question */ static const char *aac_info(struct Scsi_Host *shost) { struct aac_dev *dev = (struct aac_dev *)shost->hostdata; return aac_drivers[dev->cardtype].name; } /** * aac_get_driver_ident * @devtype: index into lookup table * * Returns a pointer to the entry in the driver lookup table. */ struct aac_driver_ident* aac_get_driver_ident(int devtype) { return &aac_drivers[devtype]; } /** * aac_biosparm - return BIOS parameters for disk * @sdev: The scsi device corresponding to the disk * @bdev: the block device corresponding to the disk * @capacity: the sector capacity of the disk * @geom: geometry block to fill in * * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk. * The default disk geometry is 64 heads, 32 sectors, and the appropriate * number of cylinders so as not to exceed drive capacity. In order for * disks equal to or larger than 1 GB to be addressable by the BIOS * without exceeding the BIOS limitation of 1024 cylinders, Extended * Translation should be enabled. With Extended Translation enabled, * drives between 1 GB inclusive and 2 GB exclusive are given a disk * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive * are given a disk geometry of 255 heads and 63 sectors. However, if * the BIOS detects that the Extended Translation setting does not match * the geometry in the partition table, then the translation inferred * from the partition table will be used by the BIOS, and a warning may * be displayed. */ static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev, sector_t capacity, int *geom) { struct diskparm *param = (struct diskparm *)geom; unsigned char *buf; dprintk((KERN_DEBUG "aac_biosparm.\n")); /* * Assuming extended translation is enabled - #REVISIT# */ if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */ if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */ param->heads = 255; param->sectors = 63; } else { param->heads = 128; param->sectors = 32; } } else { param->heads = 64; param->sectors = 32; } param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); /* * Read the first 1024 bytes from the disk device, if the boot * sector partition table is valid, search for a partition table * entry whose end_head matches one of the standard geometry * translations ( 64/32, 128/32, 255/63 ). */ buf = scsi_bios_ptable(bdev); if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) { struct partition *first = (struct partition * )buf; struct partition *entry = first; int saved_cylinders = param->cylinders; int num; unsigned char end_head, end_sec; for(num = 0; num < 4; num++) { end_head = entry->end_head; end_sec = entry->end_sector & 0x3f; if(end_head == 63) { param->heads = 64; param->sectors = 32; break; } else if(end_head == 127) { param->heads = 128; param->sectors = 32; break; } else if(end_head == 254) { param->heads = 255; param->sectors = 63; break; } entry++; } if (num == 4) { end_head = first->end_head; end_sec = first->end_sector & 0x3f; } param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); if (num < 4 && end_sec == param->sectors) { if (param->cylinders != saved_cylinders) dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n", param->heads, param->sectors, num)); } else if (end_head > 0 || end_sec > 0) { dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n", end_head + 1, end_sec, num)); dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n", param->heads, param->sectors)); } } kfree(buf); return 0; } /** * aac_slave_configure - compute queue depths * @sdev: SCSI device we are considering * * Selects queue depths for each target device based on the host adapter's * total capacity and the queue depth supported by the target device. * A queue depth of one automatically disables tagged queueing. */ static int aac_slave_configure(struct scsi_device *sdev) { if (sdev->tagged_supported) scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, 128); else scsi_adjust_queue_depth(sdev, 0, 1); return 0; } static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg) { struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; return aac_do_ioctl(dev, cmd, arg); } /* * XXX: does aac really need no error handling?? */ static int aac_eh_abort(struct scsi_cmnd *cmd) { return FAILED; } /* * aac_eh_reset - Reset command handling * @scsi_cmd: SCSI command block causing the reset * */ static int aac_eh_reset(struct scsi_cmnd* cmd) { struct scsi_device * dev = cmd->device; struct Scsi_Host * host = dev->host; struct scsi_cmnd * command; int count; struct aac_dev * aac; unsigned long flags; printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n", AAC_DRIVERNAME); aac = (struct aac_dev *)host->hostdata; if (aac_adapter_check_health(aac)) { printk(KERN_ERR "%s: Host adapter appears dead\n", AAC_DRIVERNAME); return -ENODEV; } /* * Wait for all commands to complete to this specific * target (block maximum 60 seconds). */ for (count = 60; count; --count) { int active = 0; __shost_for_each_device(dev, host) { spin_lock_irqsave(&dev->list_lock, flags); list_for_each_entry(command, &dev->cmd_list, list) { if (command->serial_number) { active++; break; } } spin_unlock_irqrestore(&dev->list_lock, flags); if (active) break; } /* * We can exit If all the commands are complete */ if (active == 0) return SUCCESS; spin_unlock_irq(host->host_lock); ssleep(1); spin_lock_irq(host->host_lock); } printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME); return -ETIMEDOUT; } /** * aac_cfg_open - open a configuration file * @inode: inode being opened * @file: file handle attached * * Called when the configuration device is opened. Does the needed * set up on the handle and then returns * * Bugs: This needs extending to check a given adapter is present * so we can support hot plugging, and to ref count adapters. */ static int aac_cfg_open(struct inode *inode, struct file *file) { struct aac_dev *aac; unsigned minor = iminor(inode); int err = -ENODEV; list_for_each_entry(aac, &aac_devices, entry) { if (aac->id == minor) { file->private_data = aac; err = 0; break; } } return 0; } /** * aac_cfg_ioctl - AAC configuration request * @inode: inode of device * @file: file handle * @cmd: ioctl command code * @arg: argument * * Handles a configuration ioctl. Currently this involves wrapping it * up and feeding it into the nasty windowsalike glue layer. * * Bugs: Needs locking against parallel ioctls lower down * Bugs: Needs to handle hot plugging */ static int aac_cfg_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { return aac_do_ioctl(file->private_data, cmd, (void __user *)arg); } #ifdef CONFIG_COMPAT static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg) { long ret; lock_kernel(); switch (cmd) { case FSACTL_MINIPORT_REV_CHECK: case FSACTL_SENDFIB: case FSACTL_OPEN_GET_ADAPTER_FIB: case FSACTL_CLOSE_GET_ADAPTER_FIB: case FSACTL_SEND_RAW_SRB: case FSACTL_GET_PCI_INFO: case FSACTL_QUERY_DISK: case FSACTL_DELETE_DISK: case FSACTL_FORCE_DELETE_DISK: case FSACTL_GET_CONTAINERS: ret = aac_do_ioctl(dev, cmd, (void __user *)arg); break; case FSACTL_GET_NEXT_ADAPTER_FIB: { struct fib_ioctl __user *f; f = compat_alloc_user_space(sizeof(*f)); ret = 0; if (clear_user(f, sizeof(*f) != sizeof(*f))) ret = -EFAULT; if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32))) ret = -EFAULT; if (!ret) ret = aac_do_ioctl(dev, cmd, (void __user *)arg); break; } default: ret = -ENOIOCTLCMD; break; } unlock_kernel(); return ret; } static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) { struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg); } static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg) { return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg); } #endif static struct file_operations aac_cfg_fops = { .owner = THIS_MODULE, .ioctl = aac_cfg_ioctl, #ifdef CONFIG_COMPAT .compat_ioctl = aac_compat_cfg_ioctl, #endif .open = aac_cfg_open, }; static struct scsi_host_template aac_driver_template = { .module = THIS_MODULE, .name = "AAC", .proc_name = "aacraid", .info = aac_info, .ioctl = aac_ioctl, #ifdef CONFIG_COMPAT .compat_ioctl = aac_compat_ioctl, #endif .queuecommand = aac_queuecommand, .bios_param = aac_biosparm, .slave_configure = aac_slave_configure, .eh_abort_handler = aac_eh_abort, .eh_host_reset_handler = aac_eh_reset, .can_queue = AAC_NUM_IO_FIB, .this_id = 16, .sg_tablesize = 16, .max_sectors = 128, #if (AAC_NUM_IO_FIB > 256) .cmd_per_lun = 256, #else .cmd_per_lun = AAC_NUM_IO_FIB, #endif .use_clustering = ENABLE_CLUSTERING, }; static int __devinit aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) { unsigned index = id->driver_data; struct Scsi_Host *shost; struct aac_dev *aac; struct list_head *insert = &aac_devices; int error = -ENODEV; int unique_id = 0; list_for_each_entry(aac, &aac_devices, entry) { if (aac->id > unique_id) break; insert = &aac->entry; unique_id++; } if (pci_enable_device(pdev)) goto out; if (pci_set_dma_mask(pdev, 0xFFFFFFFFULL) || pci_set_consistent_dma_mask(pdev, 0xFFFFFFFFULL)) goto out; /* * If the quirk31 bit is set, the adapter needs adapter * to driver communication memory to be allocated below 2gig */ if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) if (pci_set_dma_mask(pdev, 0x7FFFFFFFULL) || pci_set_consistent_dma_mask(pdev, 0x7FFFFFFFULL)) goto out; pci_set_master(pdev); shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev)); if (!shost) goto out_disable_pdev; shost->irq = pdev->irq; shost->base = pci_resource_start(pdev, 0); shost->unique_id = unique_id; aac = (struct aac_dev *)shost->hostdata; aac->scsi_host_ptr = shost; aac->pdev = pdev; aac->name = aac_driver_template.name; aac->id = shost->unique_id; aac->cardtype = index; INIT_LIST_HEAD(&aac->entry); aac->fibs = kmalloc(sizeof(struct fib) * AAC_NUM_FIB, GFP_KERNEL); if (!aac->fibs) goto out_free_host; spin_lock_init(&aac->fib_lock); if ((*aac_drivers[index].init)(aac)) goto out_free_fibs; /* * If we had set a smaller DMA mask earlier, set it to 4gig * now since the adapter can dma data to at least a 4gig * address space. */ if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) if (pci_set_dma_mask(pdev, 0xFFFFFFFFULL)) goto out_free_fibs; aac_get_adapter_info(aac); /* * max channel will be the physical channels plus 1 virtual channel * all containers are on the virtual channel 0 * physical channels are address by their actual physical number+1 */ if (aac->nondasd_support == 1) shost->max_channel = aac_drivers[index].channels+1; else shost->max_channel = 1; aac_get_config_status(aac); aac_get_containers(aac); list_add(&aac->entry, insert); shost->max_id = aac->maximum_num_containers; if (shost->max_id < MAXIMUM_NUM_CONTAINERS) shost->max_id = MAXIMUM_NUM_CONTAINERS; else shost->this_id = shost->max_id; /* * dmb - we may need to move the setting of these parms somewhere else once * we get a fib that can report the actual numbers */ shost->max_lun = AAC_MAX_LUN; pci_set_drvdata(pdev, shost); error = scsi_add_host(shost, &pdev->dev); if (error) goto out_deinit; scsi_scan_host(shost); return 0; out_deinit: kill_proc(aac->thread_pid, SIGKILL, 0); wait_for_completion(&aac->aif_completion); aac_send_shutdown(aac); fib_map_free(aac); pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, aac->comm_phys); kfree(aac->queues); free_irq(pdev->irq, aac); iounmap(aac->regs.sa); out_free_fibs: kfree(aac->fibs); kfree(aac->fsa_dev); out_free_host: scsi_host_put(shost); out_disable_pdev: pci_disable_device(pdev); out: return error; } static void __devexit aac_remove_one(struct pci_dev *pdev) { struct Scsi_Host *shost = pci_get_drvdata(pdev); struct aac_dev *aac = (struct aac_dev *)shost->hostdata; scsi_remove_host(shost); kill_proc(aac->thread_pid, SIGKILL, 0); wait_for_completion(&aac->aif_completion); aac_send_shutdown(aac); fib_map_free(aac); pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, aac->comm_phys); kfree(aac->queues); free_irq(pdev->irq, aac); iounmap(aac->regs.sa); kfree(aac->fibs); list_del(&aac->entry); scsi_host_put(shost); pci_disable_device(pdev); } static struct pci_driver aac_pci_driver = { .name = AAC_DRIVERNAME, .id_table = aac_pci_tbl, .probe = aac_probe_one, .remove = __devexit_p(aac_remove_one), }; static int __init aac_init(void) { int error; printk(KERN_INFO "Red Hat/Adaptec aacraid driver (%s %s)\n", AAC_DRIVER_VERSION, AAC_DRIVER_BUILD_DATE); error = pci_module_init(&aac_pci_driver); if (error) return error; aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops); if (aac_cfg_major < 0) { printk(KERN_WARNING "aacraid: unable to register \"aac\" device.\n"); } return 0; } static void __exit aac_exit(void) { unregister_chrdev(aac_cfg_major, "aac"); pci_unregister_driver(&aac_pci_driver); } module_init(aac_init); module_exit(aac_exit);