| /*****************************************************************************/ |
| /* ips.c -- driver for the Adaptec / IBM ServeRAID controller */ |
| /* */ |
| /* Written By: Keith Mitchell, IBM Corporation */ |
| /* Jack Hammer, Adaptec, Inc. */ |
| /* David Jeffery, Adaptec, Inc. */ |
| /* */ |
| /* Copyright (C) 2000 IBM Corporation */ |
| /* Copyright (C) 2002,2003 Adaptec, Inc. */ |
| /* */ |
| /* 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 of the License, 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. */ |
| /* */ |
| /* NO WARRANTY */ |
| /* THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR */ |
| /* CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT */ |
| /* LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, */ |
| /* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is */ |
| /* solely responsible for determining the appropriateness of using and */ |
| /* distributing the Program and assumes all risks associated with its */ |
| /* exercise of rights under this Agreement, including but not limited to */ |
| /* the risks and costs of program errors, damage to or loss of data, */ |
| /* programs or equipment, and unavailability or interruption of operations. */ |
| /* */ |
| /* DISCLAIMER OF LIABILITY */ |
| /* NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY */ |
| /* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL */ |
| /* DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND */ |
| /* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR */ |
| /* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE */ |
| /* USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED */ |
| /* HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES */ |
| /* */ |
| /* You should have received a copy of the GNU General Public License */ |
| /* along with this program; if not, write to the Free Software */ |
| /* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ |
| /* */ |
| /* Bugs/Comments/Suggestions about this driver should be mailed to: */ |
| /* ipslinux@adaptec.com */ |
| /* */ |
| /* For system support issues, contact your local IBM Customer support. */ |
| /* Directions to find IBM Customer Support for each country can be found at: */ |
| /* http://www.ibm.com/planetwide/ */ |
| /* */ |
| /*****************************************************************************/ |
| |
| /*****************************************************************************/ |
| /* Change Log */ |
| /* */ |
| /* 0.99.02 - Breakup commands that are bigger than 8 * the stripe size */ |
| /* 0.99.03 - Make interrupt routine handle all completed request on the */ |
| /* adapter not just the first one */ |
| /* - Make sure passthru commands get woken up if we run out of */ |
| /* SCBs */ |
| /* - Send all of the commands on the queue at once rather than */ |
| /* one at a time since the card will support it. */ |
| /* 0.99.04 - Fix race condition in the passthru mechanism -- this required */ |
| /* the interface to the utilities to change */ |
| /* - Fix error recovery code */ |
| /* 0.99.05 - Fix an oops when we get certain passthru commands */ |
| /* 1.00.00 - Initial Public Release */ |
| /* Functionally equivalent to 0.99.05 */ |
| /* 3.60.00 - Bump max commands to 128 for use with firmware 3.60 */ |
| /* - Change version to 3.60 to coincide with release numbering. */ |
| /* 3.60.01 - Remove bogus error check in passthru routine */ |
| /* 3.60.02 - Make DCDB direction based on lookup table */ |
| /* - Only allow one DCDB command to a SCSI ID at a time */ |
| /* 4.00.00 - Add support for ServeRAID 4 */ |
| /* 4.00.01 - Add support for First Failure Data Capture */ |
| /* 4.00.02 - Fix problem with PT DCDB with no buffer */ |
| /* 4.00.03 - Add alternative passthru interface */ |
| /* - Add ability to flash BIOS */ |
| /* 4.00.04 - Rename structures/constants to be prefixed with IPS_ */ |
| /* 4.00.05 - Remove wish_block from init routine */ |
| /* - Use linux/spinlock.h instead of asm/spinlock.h for kernels */ |
| /* 2.3.18 and later */ |
| /* - Sync with other changes from the 2.3 kernels */ |
| /* 4.00.06 - Fix timeout with initial FFDC command */ |
| /* 4.00.06a - Port to 2.4 (trivial) -- Christoph Hellwig <hch@infradead.org> */ |
| /* 4.10.00 - Add support for ServeRAID 4M/4L */ |
| /* 4.10.13 - Fix for dynamic unload and proc file system */ |
| /* 4.20.03 - Rename version to coincide with new release schedules */ |
| /* Performance fixes */ |
| /* Fix truncation of /proc files with cat */ |
| /* Merge in changes through kernel 2.4.0test1ac21 */ |
| /* 4.20.13 - Fix some failure cases / reset code */ |
| /* - Hook into the reboot_notifier to flush the controller cache */ |
| /* 4.50.01 - Fix problem when there is a hole in logical drive numbering */ |
| /* 4.70.09 - Use a Common ( Large Buffer ) for Flashing from the JCRM CD */ |
| /* - Add IPSSEND Flash Support */ |
| /* - Set Sense Data for Unknown SCSI Command */ |
| /* - Use Slot Number from NVRAM Page 5 */ |
| /* - Restore caller's DCDB Structure */ |
| /* 4.70.12 - Corrective actions for bad controller ( during initialization )*/ |
| /* 4.70.13 - Don't Send CDB's if we already know the device is not present */ |
| /* - Don't release HA Lock in ips_next() until SC taken off queue */ |
| /* - Unregister SCSI device in ips_release() */ |
| /* 4.70.15 - Fix Breakup for very large ( non-SG ) requests in ips_done() */ |
| /* 4.71.00 - Change all memory allocations to not use GFP_DMA flag */ |
| /* Code Clean-Up for 2.4.x kernel */ |
| /* 4.72.00 - Allow for a Scatter-Gather Element to exceed MAX_XFER Size */ |
| /* 4.72.01 - I/O Mapped Memory release ( so "insmod ips" does not Fail ) */ |
| /* - Don't Issue Internal FFDC Command if there are Active Commands */ |
| /* - Close Window for getting too many IOCTL's active */ |
| /* 4.80.00 - Make ia64 Safe */ |
| /* 4.80.04 - Eliminate calls to strtok() if 2.4.x or greater */ |
| /* - Adjustments to Device Queue Depth */ |
| /* 4.80.14 - Take all semaphores off stack */ |
| /* - Clean Up New_IOCTL path */ |
| /* 4.80.20 - Set max_sectors in Scsi_Host structure ( if >= 2.4.7 kernel ) */ |
| /* - 5 second delay needed after resetting an i960 adapter */ |
| /* 4.80.26 - Clean up potential code problems ( Arjan's recommendations ) */ |
| /* 4.90.01 - Version Matching for FirmWare, BIOS, and Driver */ |
| /* 4.90.05 - Use New PCI Architecture to facilitate Hot Plug Development */ |
| /* 4.90.08 - Increase Delays in Flashing ( Trombone Only - 4H ) */ |
| /* 4.90.08 - Data Corruption if First Scatter Gather Element is > 64K */ |
| /* 4.90.11 - Don't actually RESET unless it's physically required */ |
| /* - Remove unused compile options */ |
| /* 5.00.01 - Sarasota ( 5i ) adapters must always be scanned first */ |
| /* - Get rid on IOCTL_NEW_COMMAND code */ |
| /* - Add Extended DCDB Commands for Tape Support in 5I */ |
| /* 5.10.12 - use pci_dma interfaces, update for 2.5 kernel changes */ |
| /* 5.10.15 - remove unused code (sem, macros, etc.) */ |
| /* 5.30.00 - use __devexit_p() */ |
| /* 6.00.00 - Add 6x Adapters and Battery Flash */ |
| /* 6.10.00 - Remove 1G Addressing Limitations */ |
| /* 6.11.xx - Get VersionInfo buffer off the stack ! DDTS 60401 */ |
| /* 6.11.xx - Make Logical Drive Info structure safe for DMA DDTS 60639 */ |
| /* 7.10.18 - Add highmem_io flag in SCSI Templete for 2.4 kernels */ |
| /* - Fix path/name for scsi_hosts.h include for 2.6 kernels */ |
| /* - Fix sort order of 7k */ |
| /* - Remove 3 unused "inline" functions */ |
| /* 7.12.xx - Use STATIC functions whereever possible */ |
| /* - Clean up deprecated MODULE_PARM calls */ |
| /* 7.12.05 - Remove Version Matching per IBM request */ |
| /*****************************************************************************/ |
| |
| /* |
| * Conditional Compilation directives for this driver: |
| * |
| * IPS_DEBUG - Turn on debugging info |
| * |
| * Parameters: |
| * |
| * debug:<number> - Set debug level to <number> |
| * NOTE: only works when IPS_DEBUG compile directive is used. |
| * 1 - Normal debug messages |
| * 2 - Verbose debug messages |
| * 11 - Method trace (non interrupt) |
| * 12 - Method trace (includes interrupt) |
| * |
| * noi2o - Don't use I2O Queues (ServeRAID 4 only) |
| * nommap - Don't use memory mapped I/O |
| * ioctlsize - Initial size of the IOCTL buffer |
| */ |
| |
| #include <asm/io.h> |
| #include <asm/byteorder.h> |
| #include <asm/page.h> |
| #include <linux/stddef.h> |
| #include <linux/version.h> |
| #include <linux/string.h> |
| #include <linux/errno.h> |
| #include <linux/kernel.h> |
| #include <linux/ioport.h> |
| #include <linux/slab.h> |
| #include <linux/delay.h> |
| #include <linux/pci.h> |
| #include <linux/proc_fs.h> |
| #include <linux/reboot.h> |
| #include <linux/interrupt.h> |
| |
| #include <linux/blkdev.h> |
| #include <linux/types.h> |
| |
| #include <scsi/sg.h> |
| |
| #include "scsi.h" |
| |
| #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,0) |
| #include "hosts.h" |
| #else |
| #include <scsi/scsi_host.h> |
| #endif |
| |
| #include "ips.h" |
| |
| #include <linux/module.h> |
| |
| #include <linux/stat.h> |
| #include <linux/config.h> |
| |
| #include <linux/spinlock.h> |
| #include <linux/init.h> |
| |
| #include <linux/smp.h> |
| |
| #ifdef MODULE |
| static char *ips = NULL; |
| module_param(ips, charp, 0); |
| #endif |
| |
| /* |
| * DRIVER_VER |
| */ |
| #define IPS_VERSION_HIGH "7.12" |
| #define IPS_VERSION_LOW ".05 " |
| |
| #if !defined(__i386__) && !defined(__ia64__) && !defined(__x86_64__) |
| #warning "This driver has only been tested on the x86/ia64/x86_64 platforms" |
| #endif |
| |
| #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,0) |
| #include <linux/blk.h> |
| #include "sd.h" |
| #define IPS_LOCK_SAVE(lock,flags) spin_lock_irqsave(&io_request_lock,flags) |
| #define IPS_UNLOCK_RESTORE(lock,flags) spin_unlock_irqrestore(&io_request_lock,flags) |
| #ifndef __devexit_p |
| #define __devexit_p(x) x |
| #endif |
| #else |
| #define IPS_LOCK_SAVE(lock,flags) do{spin_lock(lock);(void)flags;}while(0) |
| #define IPS_UNLOCK_RESTORE(lock,flags) do{spin_unlock(lock);(void)flags;}while(0) |
| #endif |
| |
| #define IPS_DMA_DIR(scb) ((!scb->scsi_cmd || ips_is_passthru(scb->scsi_cmd) || \ |
| DMA_NONE == scb->scsi_cmd->sc_data_direction) ? \ |
| PCI_DMA_BIDIRECTIONAL : \ |
| scb->scsi_cmd->sc_data_direction) |
| |
| #ifdef IPS_DEBUG |
| #define METHOD_TRACE(s, i) if (ips_debug >= (i+10)) printk(KERN_NOTICE s "\n"); |
| #define DEBUG(i, s) if (ips_debug >= i) printk(KERN_NOTICE s "\n"); |
| #define DEBUG_VAR(i, s, v...) if (ips_debug >= i) printk(KERN_NOTICE s "\n", v); |
| #else |
| #define METHOD_TRACE(s, i) |
| #define DEBUG(i, s) |
| #define DEBUG_VAR(i, s, v...) |
| #endif |
| |
| /* |
| * Function prototypes |
| */ |
| static int ips_detect(struct scsi_host_template *); |
| static int ips_release(struct Scsi_Host *); |
| static int ips_eh_abort(Scsi_Cmnd *); |
| static int ips_eh_reset(Scsi_Cmnd *); |
| static int ips_queue(Scsi_Cmnd *, void (*)(Scsi_Cmnd *)); |
| static const char *ips_info(struct Scsi_Host *); |
| static irqreturn_t do_ipsintr(int, void *, struct pt_regs *); |
| static int ips_hainit(ips_ha_t *); |
| static int ips_map_status(ips_ha_t *, ips_scb_t *, ips_stat_t *); |
| static int ips_send_wait(ips_ha_t *, ips_scb_t *, int, int); |
| static int ips_send_cmd(ips_ha_t *, ips_scb_t *); |
| static int ips_online(ips_ha_t *, ips_scb_t *); |
| static int ips_inquiry(ips_ha_t *, ips_scb_t *); |
| static int ips_rdcap(ips_ha_t *, ips_scb_t *); |
| static int ips_msense(ips_ha_t *, ips_scb_t *); |
| static int ips_reqsen(ips_ha_t *, ips_scb_t *); |
| static int ips_deallocatescbs(ips_ha_t *, int); |
| static int ips_allocatescbs(ips_ha_t *); |
| static int ips_reset_copperhead(ips_ha_t *); |
| static int ips_reset_copperhead_memio(ips_ha_t *); |
| static int ips_reset_morpheus(ips_ha_t *); |
| static int ips_issue_copperhead(ips_ha_t *, ips_scb_t *); |
| static int ips_issue_copperhead_memio(ips_ha_t *, ips_scb_t *); |
| static int ips_issue_i2o(ips_ha_t *, ips_scb_t *); |
| static int ips_issue_i2o_memio(ips_ha_t *, ips_scb_t *); |
| static int ips_isintr_copperhead(ips_ha_t *); |
| static int ips_isintr_copperhead_memio(ips_ha_t *); |
| static int ips_isintr_morpheus(ips_ha_t *); |
| static int ips_wait(ips_ha_t *, int, int); |
| static int ips_write_driver_status(ips_ha_t *, int); |
| static int ips_read_adapter_status(ips_ha_t *, int); |
| static int ips_read_subsystem_parameters(ips_ha_t *, int); |
| static int ips_read_config(ips_ha_t *, int); |
| static int ips_clear_adapter(ips_ha_t *, int); |
| static int ips_readwrite_page5(ips_ha_t *, int, int); |
| static int ips_init_copperhead(ips_ha_t *); |
| static int ips_init_copperhead_memio(ips_ha_t *); |
| static int ips_init_morpheus(ips_ha_t *); |
| static int ips_isinit_copperhead(ips_ha_t *); |
| static int ips_isinit_copperhead_memio(ips_ha_t *); |
| static int ips_isinit_morpheus(ips_ha_t *); |
| static int ips_erase_bios(ips_ha_t *); |
| static int ips_program_bios(ips_ha_t *, char *, uint32_t, uint32_t); |
| static int ips_verify_bios(ips_ha_t *, char *, uint32_t, uint32_t); |
| static int ips_erase_bios_memio(ips_ha_t *); |
| static int ips_program_bios_memio(ips_ha_t *, char *, uint32_t, uint32_t); |
| static int ips_verify_bios_memio(ips_ha_t *, char *, uint32_t, uint32_t); |
| static int ips_flash_copperhead(ips_ha_t *, ips_passthru_t *, ips_scb_t *); |
| static int ips_flash_bios(ips_ha_t *, ips_passthru_t *, ips_scb_t *); |
| static int ips_flash_firmware(ips_ha_t *, ips_passthru_t *, ips_scb_t *); |
| static void ips_free_flash_copperhead(ips_ha_t * ha); |
| static void ips_get_bios_version(ips_ha_t *, int); |
| static void ips_identify_controller(ips_ha_t *); |
| static void ips_chkstatus(ips_ha_t *, IPS_STATUS *); |
| static void ips_enable_int_copperhead(ips_ha_t *); |
| static void ips_enable_int_copperhead_memio(ips_ha_t *); |
| static void ips_enable_int_morpheus(ips_ha_t *); |
| static int ips_intr_copperhead(ips_ha_t *); |
| static int ips_intr_morpheus(ips_ha_t *); |
| static void ips_next(ips_ha_t *, int); |
| static void ipsintr_blocking(ips_ha_t *, struct ips_scb *); |
| static void ipsintr_done(ips_ha_t *, struct ips_scb *); |
| static void ips_done(ips_ha_t *, ips_scb_t *); |
| static void ips_free(ips_ha_t *); |
| static void ips_init_scb(ips_ha_t *, ips_scb_t *); |
| static void ips_freescb(ips_ha_t *, ips_scb_t *); |
| static void ips_setup_funclist(ips_ha_t *); |
| static void ips_statinit(ips_ha_t *); |
| static void ips_statinit_memio(ips_ha_t *); |
| static void ips_fix_ffdc_time(ips_ha_t *, ips_scb_t *, time_t); |
| static void ips_ffdc_reset(ips_ha_t *, int); |
| static void ips_ffdc_time(ips_ha_t *); |
| static uint32_t ips_statupd_copperhead(ips_ha_t *); |
| static uint32_t ips_statupd_copperhead_memio(ips_ha_t *); |
| static uint32_t ips_statupd_morpheus(ips_ha_t *); |
| static ips_scb_t *ips_getscb(ips_ha_t *); |
| static void ips_putq_scb_head(ips_scb_queue_t *, ips_scb_t *); |
| static void ips_putq_wait_tail(ips_wait_queue_t *, Scsi_Cmnd *); |
| static void ips_putq_copp_tail(ips_copp_queue_t *, |
| ips_copp_wait_item_t *); |
| static ips_scb_t *ips_removeq_scb_head(ips_scb_queue_t *); |
| static ips_scb_t *ips_removeq_scb(ips_scb_queue_t *, ips_scb_t *); |
| static Scsi_Cmnd *ips_removeq_wait_head(ips_wait_queue_t *); |
| static Scsi_Cmnd *ips_removeq_wait(ips_wait_queue_t *, Scsi_Cmnd *); |
| static ips_copp_wait_item_t *ips_removeq_copp(ips_copp_queue_t *, |
| ips_copp_wait_item_t *); |
| static ips_copp_wait_item_t *ips_removeq_copp_head(ips_copp_queue_t *); |
| |
| static int ips_is_passthru(Scsi_Cmnd *); |
| static int ips_make_passthru(ips_ha_t *, Scsi_Cmnd *, ips_scb_t *, int); |
| static int ips_usrcmd(ips_ha_t *, ips_passthru_t *, ips_scb_t *); |
| static void ips_cleanup_passthru(ips_ha_t *, ips_scb_t *); |
| static void ips_scmd_buf_write(Scsi_Cmnd * scmd, void *data, |
| unsigned int count); |
| static void ips_scmd_buf_read(Scsi_Cmnd * scmd, void *data, unsigned int count); |
| |
| static int ips_proc_info(struct Scsi_Host *, char *, char **, off_t, int, int); |
| static int ips_host_info(ips_ha_t *, char *, off_t, int); |
| static void copy_mem_info(IPS_INFOSTR *, char *, int); |
| static int copy_info(IPS_INFOSTR *, char *, ...); |
| static int ips_abort_init(ips_ha_t * ha, int index); |
| static int ips_init_phase2(int index); |
| |
| static int ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr); |
| static int ips_register_scsi(int index); |
| |
| static int ips_poll_for_flush_complete(ips_ha_t * ha); |
| static void ips_flush_and_reset(ips_ha_t *ha); |
| |
| /* |
| * global variables |
| */ |
| static const char ips_name[] = "ips"; |
| static struct Scsi_Host *ips_sh[IPS_MAX_ADAPTERS]; /* Array of host controller structures */ |
| static ips_ha_t *ips_ha[IPS_MAX_ADAPTERS]; /* Array of HA structures */ |
| static unsigned int ips_next_controller; |
| static unsigned int ips_num_controllers; |
| static unsigned int ips_released_controllers; |
| static int ips_hotplug; |
| static int ips_cmd_timeout = 60; |
| static int ips_reset_timeout = 60 * 5; |
| static int ips_force_memio = 1; /* Always use Memory Mapped I/O */ |
| static int ips_force_i2o = 1; /* Always use I2O command delivery */ |
| static int ips_ioctlsize = IPS_IOCTL_SIZE; /* Size of the ioctl buffer */ |
| static int ips_cd_boot; /* Booting from Manager CD */ |
| static char *ips_FlashData = NULL; /* CD Boot - Flash Data Buffer */ |
| static dma_addr_t ips_flashbusaddr; |
| static long ips_FlashDataInUse; /* CD Boot - Flash Data In Use Flag */ |
| static uint32_t MaxLiteCmds = 32; /* Max Active Cmds for a Lite Adapter */ |
| static struct scsi_host_template ips_driver_template = { |
| .detect = ips_detect, |
| .release = ips_release, |
| .info = ips_info, |
| .queuecommand = ips_queue, |
| .eh_abort_handler = ips_eh_abort, |
| .eh_host_reset_handler = ips_eh_reset, |
| .proc_name = "ips", |
| #if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0) |
| .proc_info = ips_proc_info, |
| .slave_configure = ips_slave_configure, |
| #else |
| .proc_info = ips_proc24_info, |
| .select_queue_depths = ips_select_queue_depth, |
| #endif |
| .bios_param = ips_biosparam, |
| .this_id = -1, |
| .sg_tablesize = IPS_MAX_SG, |
| .cmd_per_lun = 3, |
| .use_clustering = ENABLE_CLUSTERING, |
| #if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) |
| .use_new_eh_code = 1, |
| #endif |
| #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,20) && LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) |
| .highmem_io = 1, |
| #endif |
| }; |
| |
| |
| /* This table describes all ServeRAID Adapters */ |
| static struct pci_device_id ips_pci_table[] = { |
| { 0x1014, 0x002E, PCI_ANY_ID, PCI_ANY_ID, 0, 0 }, |
| { 0x1014, 0x01BD, PCI_ANY_ID, PCI_ANY_ID, 0, 0 }, |
| { 0x9005, 0x0250, PCI_ANY_ID, PCI_ANY_ID, 0, 0 }, |
| { 0, } |
| }; |
| |
| MODULE_DEVICE_TABLE( pci, ips_pci_table ); |
| |
| static char ips_hot_plug_name[] = "ips"; |
| |
| static int __devinit ips_insert_device(struct pci_dev *pci_dev, const struct pci_device_id *ent); |
| static void __devexit ips_remove_device(struct pci_dev *pci_dev); |
| |
| static struct pci_driver ips_pci_driver = { |
| .name = ips_hot_plug_name, |
| .id_table = ips_pci_table, |
| .probe = ips_insert_device, |
| .remove = __devexit_p(ips_remove_device), |
| }; |
| |
| |
| /* |
| * Necessary forward function protoypes |
| */ |
| static int ips_halt(struct notifier_block *nb, ulong event, void *buf); |
| |
| #define MAX_ADAPTER_NAME 15 |
| |
| static char ips_adapter_name[][30] = { |
| "ServeRAID", |
| "ServeRAID II", |
| "ServeRAID on motherboard", |
| "ServeRAID on motherboard", |
| "ServeRAID 3H", |
| "ServeRAID 3L", |
| "ServeRAID 4H", |
| "ServeRAID 4M", |
| "ServeRAID 4L", |
| "ServeRAID 4Mx", |
| "ServeRAID 4Lx", |
| "ServeRAID 5i", |
| "ServeRAID 5i", |
| "ServeRAID 6M", |
| "ServeRAID 6i", |
| "ServeRAID 7t", |
| "ServeRAID 7k", |
| "ServeRAID 7M" |
| }; |
| |
| static struct notifier_block ips_notifier = { |
| ips_halt, NULL, 0 |
| }; |
| |
| /* |
| * Direction table |
| */ |
| static char ips_command_direction[] = { |
| IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT, |
| IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_UNK, |
| IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_OUT, |
| IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_OUT, |
| IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_OUT, |
| IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_IN, |
| IPS_DATA_UNK, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_UNK, |
| IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, |
| IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_NONE, |
| IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, |
| IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT, |
| IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_NONE, |
| IPS_DATA_UNK, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_UNK, |
| IPS_DATA_NONE, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_OUT, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_NONE, |
| IPS_DATA_OUT, IPS_DATA_UNK, IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_OUT, |
| IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_NONE, |
| IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_IN, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_OUT, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK |
| }; |
| |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_setup */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* setup parameters to the driver */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_setup(char *ips_str) |
| { |
| |
| int i; |
| char *key; |
| char *value; |
| IPS_OPTION options[] = { |
| {"noi2o", &ips_force_i2o, 0}, |
| {"nommap", &ips_force_memio, 0}, |
| {"ioctlsize", &ips_ioctlsize, IPS_IOCTL_SIZE}, |
| {"cdboot", &ips_cd_boot, 0}, |
| {"maxcmds", &MaxLiteCmds, 32}, |
| }; |
| |
| /* Don't use strtok() anymore ( if 2.4 Kernel or beyond ) */ |
| /* Search for value */ |
| while ((key = strsep(&ips_str, ",."))) { |
| if (!*key) |
| continue; |
| value = strchr(key, ':'); |
| if (value) |
| *value++ = '\0'; |
| /* |
| * We now have key/value pairs. |
| * Update the variables |
| */ |
| for (i = 0; i < (sizeof (options) / sizeof (options[0])); i++) { |
| if (strnicmp |
| (key, options[i].option_name, |
| strlen(options[i].option_name)) == 0) { |
| if (value) |
| *options[i].option_flag = |
| simple_strtoul(value, NULL, 0); |
| else |
| *options[i].option_flag = |
| options[i].option_value; |
| break; |
| } |
| } |
| } |
| |
| return (1); |
| } |
| |
| __setup("ips=", ips_setup); |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_detect */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Detect and initialize the driver */ |
| /* */ |
| /* NOTE: this routine is called under the io_request_lock spinlock */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_detect(struct scsi_host_template * SHT) |
| { |
| int i; |
| |
| METHOD_TRACE("ips_detect", 1); |
| |
| #ifdef MODULE |
| if (ips) |
| ips_setup(ips); |
| #endif |
| |
| for (i = 0; i < ips_num_controllers; i++) { |
| if (ips_register_scsi(i)) |
| ips_free(ips_ha[i]); |
| ips_released_controllers++; |
| } |
| ips_hotplug = 1; |
| return (ips_num_controllers); |
| } |
| |
| /****************************************************************************/ |
| /* configure the function pointers to use the functions that will work */ |
| /* with the found version of the adapter */ |
| /****************************************************************************/ |
| static void |
| ips_setup_funclist(ips_ha_t * ha) |
| { |
| |
| /* |
| * Setup Functions |
| */ |
| if (IPS_IS_MORPHEUS(ha) || IPS_IS_MARCO(ha)) { |
| /* morpheus / marco / sebring */ |
| ha->func.isintr = ips_isintr_morpheus; |
| ha->func.isinit = ips_isinit_morpheus; |
| ha->func.issue = ips_issue_i2o_memio; |
| ha->func.init = ips_init_morpheus; |
| ha->func.statupd = ips_statupd_morpheus; |
| ha->func.reset = ips_reset_morpheus; |
| ha->func.intr = ips_intr_morpheus; |
| ha->func.enableint = ips_enable_int_morpheus; |
| } else if (IPS_USE_MEMIO(ha)) { |
| /* copperhead w/MEMIO */ |
| ha->func.isintr = ips_isintr_copperhead_memio; |
| ha->func.isinit = ips_isinit_copperhead_memio; |
| ha->func.init = ips_init_copperhead_memio; |
| ha->func.statupd = ips_statupd_copperhead_memio; |
| ha->func.statinit = ips_statinit_memio; |
| ha->func.reset = ips_reset_copperhead_memio; |
| ha->func.intr = ips_intr_copperhead; |
| ha->func.erasebios = ips_erase_bios_memio; |
| ha->func.programbios = ips_program_bios_memio; |
| ha->func.verifybios = ips_verify_bios_memio; |
| ha->func.enableint = ips_enable_int_copperhead_memio; |
| if (IPS_USE_I2O_DELIVER(ha)) |
| ha->func.issue = ips_issue_i2o_memio; |
| else |
| ha->func.issue = ips_issue_copperhead_memio; |
| } else { |
| /* copperhead */ |
| ha->func.isintr = ips_isintr_copperhead; |
| ha->func.isinit = ips_isinit_copperhead; |
| ha->func.init = ips_init_copperhead; |
| ha->func.statupd = ips_statupd_copperhead; |
| ha->func.statinit = ips_statinit; |
| ha->func.reset = ips_reset_copperhead; |
| ha->func.intr = ips_intr_copperhead; |
| ha->func.erasebios = ips_erase_bios; |
| ha->func.programbios = ips_program_bios; |
| ha->func.verifybios = ips_verify_bios; |
| ha->func.enableint = ips_enable_int_copperhead; |
| |
| if (IPS_USE_I2O_DELIVER(ha)) |
| ha->func.issue = ips_issue_i2o; |
| else |
| ha->func.issue = ips_issue_copperhead; |
| } |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_release */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Remove a driver */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_release(struct Scsi_Host *sh) |
| { |
| ips_scb_t *scb; |
| ips_ha_t *ha; |
| int i; |
| |
| METHOD_TRACE("ips_release", 1); |
| |
| for (i = 0; i < IPS_MAX_ADAPTERS && ips_sh[i] != sh; i++) ; |
| |
| if (i == IPS_MAX_ADAPTERS) { |
| printk(KERN_WARNING |
| "(%s) release, invalid Scsi_Host pointer.\n", ips_name); |
| BUG(); |
| return (FALSE); |
| } |
| |
| ha = IPS_HA(sh); |
| |
| if (!ha) |
| return (FALSE); |
| |
| /* flush the cache on the controller */ |
| scb = &ha->scbs[ha->max_cmds - 1]; |
| |
| ips_init_scb(ha, scb); |
| |
| scb->timeout = ips_cmd_timeout; |
| scb->cdb[0] = IPS_CMD_FLUSH; |
| |
| scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH; |
| scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb); |
| scb->cmd.flush_cache.state = IPS_NORM_STATE; |
| scb->cmd.flush_cache.reserved = 0; |
| scb->cmd.flush_cache.reserved2 = 0; |
| scb->cmd.flush_cache.reserved3 = 0; |
| scb->cmd.flush_cache.reserved4 = 0; |
| |
| IPS_PRINTK(KERN_WARNING, ha->pcidev, "Flushing Cache.\n"); |
| |
| /* send command */ |
| if (ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_ON) == IPS_FAILURE) |
| IPS_PRINTK(KERN_WARNING, ha->pcidev, "Incomplete Flush.\n"); |
| |
| IPS_PRINTK(KERN_WARNING, ha->pcidev, "Flushing Complete.\n"); |
| |
| ips_sh[i] = NULL; |
| ips_ha[i] = NULL; |
| |
| /* free extra memory */ |
| ips_free(ha); |
| |
| /* Free I/O Region */ |
| if (ha->io_addr) |
| release_region(ha->io_addr, ha->io_len); |
| |
| /* free IRQ */ |
| free_irq(ha->irq, ha); |
| |
| IPS_REMOVE_HOST(sh); |
| scsi_host_put(sh); |
| |
| ips_released_controllers++; |
| |
| return (FALSE); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_halt */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Perform cleanup when the system reboots */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_halt(struct notifier_block *nb, ulong event, void *buf) |
| { |
| ips_scb_t *scb; |
| ips_ha_t *ha; |
| int i; |
| |
| if ((event != SYS_RESTART) && (event != SYS_HALT) && |
| (event != SYS_POWER_OFF)) |
| return (NOTIFY_DONE); |
| |
| for (i = 0; i < ips_next_controller; i++) { |
| ha = (ips_ha_t *) ips_ha[i]; |
| |
| if (!ha) |
| continue; |
| |
| if (!ha->active) |
| continue; |
| |
| /* flush the cache on the controller */ |
| scb = &ha->scbs[ha->max_cmds - 1]; |
| |
| ips_init_scb(ha, scb); |
| |
| scb->timeout = ips_cmd_timeout; |
| scb->cdb[0] = IPS_CMD_FLUSH; |
| |
| scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH; |
| scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb); |
| scb->cmd.flush_cache.state = IPS_NORM_STATE; |
| scb->cmd.flush_cache.reserved = 0; |
| scb->cmd.flush_cache.reserved2 = 0; |
| scb->cmd.flush_cache.reserved3 = 0; |
| scb->cmd.flush_cache.reserved4 = 0; |
| |
| IPS_PRINTK(KERN_WARNING, ha->pcidev, "Flushing Cache.\n"); |
| |
| /* send command */ |
| if (ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_ON) == |
| IPS_FAILURE) |
| IPS_PRINTK(KERN_WARNING, ha->pcidev, |
| "Incomplete Flush.\n"); |
| else |
| IPS_PRINTK(KERN_WARNING, ha->pcidev, |
| "Flushing Complete.\n"); |
| } |
| |
| return (NOTIFY_OK); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_eh_abort */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Abort a command (using the new error code stuff) */ |
| /* Note: this routine is called under the io_request_lock */ |
| /****************************************************************************/ |
| int |
| ips_eh_abort(Scsi_Cmnd * SC) |
| { |
| ips_ha_t *ha; |
| ips_copp_wait_item_t *item; |
| int ret; |
| unsigned long cpu_flags; |
| struct Scsi_Host *host; |
| |
| METHOD_TRACE("ips_eh_abort", 1); |
| |
| if (!SC) |
| return (FAILED); |
| |
| host = SC->device->host; |
| ha = (ips_ha_t *) SC->device->host->hostdata; |
| |
| if (!ha) |
| return (FAILED); |
| |
| if (!ha->active) |
| return (FAILED); |
| |
| IPS_LOCK_SAVE(host->host_lock, cpu_flags); |
| |
| /* See if the command is on the copp queue */ |
| item = ha->copp_waitlist.head; |
| while ((item) && (item->scsi_cmd != SC)) |
| item = item->next; |
| |
| if (item) { |
| /* Found it */ |
| ips_removeq_copp(&ha->copp_waitlist, item); |
| ret = (SUCCESS); |
| |
| /* See if the command is on the wait queue */ |
| } else if (ips_removeq_wait(&ha->scb_waitlist, SC)) { |
| /* command not sent yet */ |
| ret = (SUCCESS); |
| } else { |
| /* command must have already been sent */ |
| ret = (FAILED); |
| } |
| |
| IPS_UNLOCK_RESTORE(host->host_lock, cpu_flags); |
| return ret; |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_eh_reset */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Reset the controller (with new eh error code) */ |
| /* */ |
| /* NOTE: this routine is called under the io_request_lock spinlock */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| __ips_eh_reset(Scsi_Cmnd * SC) |
| { |
| int ret; |
| int i; |
| ips_ha_t *ha; |
| ips_scb_t *scb; |
| ips_copp_wait_item_t *item; |
| |
| METHOD_TRACE("ips_eh_reset", 1); |
| |
| #ifdef NO_IPS_RESET |
| return (FAILED); |
| #else |
| |
| if (!SC) { |
| DEBUG(1, "Reset called with NULL scsi command"); |
| |
| return (FAILED); |
| } |
| |
| ha = (ips_ha_t *) SC->device->host->hostdata; |
| |
| if (!ha) { |
| DEBUG(1, "Reset called with NULL ha struct"); |
| |
| return (FAILED); |
| } |
| |
| if (!ha->active) |
| return (FAILED); |
| |
| /* See if the command is on the copp queue */ |
| item = ha->copp_waitlist.head; |
| while ((item) && (item->scsi_cmd != SC)) |
| item = item->next; |
| |
| if (item) { |
| /* Found it */ |
| ips_removeq_copp(&ha->copp_waitlist, item); |
| return (SUCCESS); |
| } |
| |
| /* See if the command is on the wait queue */ |
| if (ips_removeq_wait(&ha->scb_waitlist, SC)) { |
| /* command not sent yet */ |
| return (SUCCESS); |
| } |
| |
| /* An explanation for the casual observer: */ |
| /* Part of the function of a RAID controller is automatic error */ |
| /* detection and recovery. As such, the only problem that physically */ |
| /* resetting an adapter will ever fix is when, for some reason, */ |
| /* the driver is not successfully communicating with the adapter. */ |
| /* Therefore, we will attempt to flush this adapter. If that succeeds, */ |
| /* then there's no real purpose in a physical reset. This will complete */ |
| /* much faster and avoids any problems that might be caused by a */ |
| /* physical reset ( such as having to fail all the outstanding I/O's ). */ |
| |
| if (ha->ioctl_reset == 0) { /* IF Not an IOCTL Requested Reset */ |
| scb = &ha->scbs[ha->max_cmds - 1]; |
| |
| ips_init_scb(ha, scb); |
| |
| scb->timeout = ips_cmd_timeout; |
| scb->cdb[0] = IPS_CMD_FLUSH; |
| |
| scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH; |
| scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb); |
| scb->cmd.flush_cache.state = IPS_NORM_STATE; |
| scb->cmd.flush_cache.reserved = 0; |
| scb->cmd.flush_cache.reserved2 = 0; |
| scb->cmd.flush_cache.reserved3 = 0; |
| scb->cmd.flush_cache.reserved4 = 0; |
| |
| /* Attempt the flush command */ |
| ret = ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_IORL); |
| if (ret == IPS_SUCCESS) { |
| IPS_PRINTK(KERN_NOTICE, ha->pcidev, |
| "Reset Request - Flushed Cache\n"); |
| return (SUCCESS); |
| } |
| } |
| |
| /* Either we can't communicate with the adapter or it's an IOCTL request */ |
| /* from a utility. A physical reset is needed at this point. */ |
| |
| ha->ioctl_reset = 0; /* Reset the IOCTL Requested Reset Flag */ |
| |
| /* |
| * command must have already been sent |
| * reset the controller |
| */ |
| IPS_PRINTK(KERN_NOTICE, ha->pcidev, "Resetting controller.\n"); |
| ret = (*ha->func.reset) (ha); |
| |
| if (!ret) { |
| Scsi_Cmnd *scsi_cmd; |
| |
| IPS_PRINTK(KERN_NOTICE, ha->pcidev, |
| "Controller reset failed - controller now offline.\n"); |
| |
| /* Now fail all of the active commands */ |
| DEBUG_VAR(1, "(%s%d) Failing active commands", |
| ips_name, ha->host_num); |
| |
| while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) { |
| scb->scsi_cmd->result = DID_ERROR << 16; |
| scb->scsi_cmd->scsi_done(scb->scsi_cmd); |
| ips_freescb(ha, scb); |
| } |
| |
| /* Now fail all of the pending commands */ |
| DEBUG_VAR(1, "(%s%d) Failing pending commands", |
| ips_name, ha->host_num); |
| |
| while ((scsi_cmd = ips_removeq_wait_head(&ha->scb_waitlist))) { |
| scsi_cmd->result = DID_ERROR; |
| scsi_cmd->scsi_done(scsi_cmd); |
| } |
| |
| ha->active = FALSE; |
| return (FAILED); |
| } |
| |
| if (!ips_clear_adapter(ha, IPS_INTR_IORL)) { |
| Scsi_Cmnd *scsi_cmd; |
| |
| IPS_PRINTK(KERN_NOTICE, ha->pcidev, |
| "Controller reset failed - controller now offline.\n"); |
| |
| /* Now fail all of the active commands */ |
| DEBUG_VAR(1, "(%s%d) Failing active commands", |
| ips_name, ha->host_num); |
| |
| while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) { |
| scb->scsi_cmd->result = DID_ERROR << 16; |
| scb->scsi_cmd->scsi_done(scb->scsi_cmd); |
| ips_freescb(ha, scb); |
| } |
| |
| /* Now fail all of the pending commands */ |
| DEBUG_VAR(1, "(%s%d) Failing pending commands", |
| ips_name, ha->host_num); |
| |
| while ((scsi_cmd = ips_removeq_wait_head(&ha->scb_waitlist))) { |
| scsi_cmd->result = DID_ERROR << 16; |
| scsi_cmd->scsi_done(scsi_cmd); |
| } |
| |
| ha->active = FALSE; |
| return (FAILED); |
| } |
| |
| /* FFDC */ |
| if (le32_to_cpu(ha->subsys->param[3]) & 0x300000) { |
| struct timeval tv; |
| |
| do_gettimeofday(&tv); |
| ha->last_ffdc = tv.tv_sec; |
| ha->reset_count++; |
| ips_ffdc_reset(ha, IPS_INTR_IORL); |
| } |
| |
| /* Now fail all of the active commands */ |
| DEBUG_VAR(1, "(%s%d) Failing active commands", ips_name, ha->host_num); |
| |
| while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) { |
| scb->scsi_cmd->result = |
| (DID_RESET << 16) | (SUGGEST_RETRY << 24); |
| scb->scsi_cmd->scsi_done(scb->scsi_cmd); |
| ips_freescb(ha, scb); |
| } |
| |
| /* Reset DCDB active command bits */ |
| for (i = 1; i < ha->nbus; i++) |
| ha->dcdb_active[i - 1] = 0; |
| |
| /* Reset the number of active IOCTLs */ |
| ha->num_ioctl = 0; |
| |
| ips_next(ha, IPS_INTR_IORL); |
| |
| return (SUCCESS); |
| #endif /* NO_IPS_RESET */ |
| |
| } |
| |
| static int |
| ips_eh_reset(Scsi_Cmnd * SC) |
| { |
| int rc; |
| |
| spin_lock_irq(SC->device->host->host_lock); |
| rc = __ips_eh_reset(SC); |
| spin_unlock_irq(SC->device->host->host_lock); |
| |
| return rc; |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_queue */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Send a command to the controller */ |
| /* */ |
| /* NOTE: */ |
| /* Linux obtains io_request_lock before calling this function */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_queue(Scsi_Cmnd * SC, void (*done) (Scsi_Cmnd *)) |
| { |
| ips_ha_t *ha; |
| ips_passthru_t *pt; |
| |
| METHOD_TRACE("ips_queue", 1); |
| |
| ha = (ips_ha_t *) SC->device->host->hostdata; |
| |
| if (!ha) |
| return (1); |
| |
| if (!ha->active) |
| return (DID_ERROR); |
| |
| if (ips_is_passthru(SC)) { |
| if (ha->copp_waitlist.count == IPS_MAX_IOCTL_QUEUE) { |
| SC->result = DID_BUS_BUSY << 16; |
| done(SC); |
| |
| return (0); |
| } |
| } else if (ha->scb_waitlist.count == IPS_MAX_QUEUE) { |
| SC->result = DID_BUS_BUSY << 16; |
| done(SC); |
| |
| return (0); |
| } |
| |
| SC->scsi_done = done; |
| |
| DEBUG_VAR(2, "(%s%d): ips_queue: cmd 0x%X (%d %d %d)", |
| ips_name, |
| ha->host_num, |
| SC->cmnd[0], |
| SC->device->channel, SC->device->id, SC->device->lun); |
| |
| /* Check for command to initiator IDs */ |
| if ((scmd_channel(SC) > 0) |
| && (scmd_id(SC) == ha->ha_id[scmd_channel(SC)])) { |
| SC->result = DID_NO_CONNECT << 16; |
| done(SC); |
| |
| return (0); |
| } |
| |
| if (ips_is_passthru(SC)) { |
| |
| ips_copp_wait_item_t *scratch; |
| |
| /* A Reset IOCTL is only sent by the boot CD in extreme cases. */ |
| /* There can never be any system activity ( network or disk ), but check */ |
| /* anyway just as a good practice. */ |
| pt = (ips_passthru_t *) SC->request_buffer; |
| if ((pt->CoppCP.cmd.reset.op_code == IPS_CMD_RESET_CHANNEL) && |
| (pt->CoppCP.cmd.reset.adapter_flag == 1)) { |
| if (ha->scb_activelist.count != 0) { |
| SC->result = DID_BUS_BUSY << 16; |
| done(SC); |
| return (0); |
| } |
| ha->ioctl_reset = 1; /* This reset request is from an IOCTL */ |
| ips_eh_reset(SC); |
| SC->result = DID_OK << 16; |
| SC->scsi_done(SC); |
| return (0); |
| } |
| |
| /* allocate space for the scribble */ |
| scratch = kmalloc(sizeof (ips_copp_wait_item_t), GFP_ATOMIC); |
| |
| if (!scratch) { |
| SC->result = DID_ERROR << 16; |
| done(SC); |
| |
| return (0); |
| } |
| |
| scratch->scsi_cmd = SC; |
| scratch->next = NULL; |
| |
| ips_putq_copp_tail(&ha->copp_waitlist, scratch); |
| } else { |
| ips_putq_wait_tail(&ha->scb_waitlist, SC); |
| } |
| |
| ips_next(ha, IPS_INTR_IORL); |
| |
| return (0); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_biosparam */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Set bios geometry for the controller */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| #if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) |
| ips_biosparam(Disk * disk, kdev_t dev, int geom[]) |
| { |
| ips_ha_t *ha = (ips_ha_t *) disk->device->host->hostdata; |
| unsigned long capacity = disk->capacity; |
| #else |
| ips_biosparam(struct scsi_device *sdev, struct block_device *bdev, |
| sector_t capacity, int geom[]) |
| { |
| ips_ha_t *ha = (ips_ha_t *) sdev->host->hostdata; |
| #endif |
| int heads; |
| int sectors; |
| int cylinders; |
| |
| METHOD_TRACE("ips_biosparam", 1); |
| |
| if (!ha) |
| /* ?!?! host adater info invalid */ |
| return (0); |
| |
| if (!ha->active) |
| return (0); |
| |
| if (!ips_read_adapter_status(ha, IPS_INTR_ON)) |
| /* ?!?! Enquiry command failed */ |
| return (0); |
| |
| if ((capacity > 0x400000) && ((ha->enq->ucMiscFlag & 0x8) == 0)) { |
| heads = IPS_NORM_HEADS; |
| sectors = IPS_NORM_SECTORS; |
| } else { |
| heads = IPS_COMP_HEADS; |
| sectors = IPS_COMP_SECTORS; |
| } |
| |
| cylinders = (unsigned long) capacity / (heads * sectors); |
| |
| DEBUG_VAR(2, "Geometry: heads: %d, sectors: %d, cylinders: %d", |
| heads, sectors, cylinders); |
| |
| geom[0] = heads; |
| geom[1] = sectors; |
| geom[2] = cylinders; |
| |
| return (0); |
| } |
| |
| #if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) |
| |
| /* ips_proc24_info is a wrapper around ips_proc_info * |
| * for compatibility with the 2.4 scsi parameters */ |
| static int |
| ips_proc24_info(char *buffer, char **start, off_t offset, int length, |
| int hostno, int func) |
| { |
| int i; |
| |
| for (i = 0; i < ips_next_controller; i++) { |
| if (ips_sh[i] && ips_sh[i]->host_no == hostno) { |
| return ips_proc_info(ips_sh[i], buffer, start, |
| offset, length, func); |
| } |
| } |
| return -EINVAL; |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_select_queue_depth */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Select queue depths for the devices on the contoller */ |
| /* */ |
| /****************************************************************************/ |
| static void |
| ips_select_queue_depth(struct Scsi_Host *host, struct scsi_device * scsi_devs) |
| { |
| struct scsi_device *device; |
| ips_ha_t *ha; |
| int count = 0; |
| int min; |
| |
| ha = IPS_HA(host); |
| min = ha->max_cmds / 4; |
| |
| for (device = scsi_devs; device; device = device->next) { |
| if (device->host == host) { |
| if ((device->channel == 0) && (device->type == 0)) |
| count++; |
| } |
| } |
| |
| for (device = scsi_devs; device; device = device->next) { |
| if (device->host == host) { |
| if ((device->channel == 0) && (device->type == 0)) { |
| device->queue_depth = |
| (ha->max_cmds - 1) / count; |
| if (device->queue_depth < min) |
| device->queue_depth = min; |
| } else { |
| device->queue_depth = 2; |
| } |
| |
| if (device->queue_depth < 2) |
| device->queue_depth = 2; |
| } |
| } |
| } |
| |
| #else |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_slave_configure */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Set queue depths on devices once scan is complete */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_slave_configure(struct scsi_device * SDptr) |
| { |
| ips_ha_t *ha; |
| int min; |
| |
| ha = IPS_HA(SDptr->host); |
| if (SDptr->tagged_supported && SDptr->type == TYPE_DISK) { |
| min = ha->max_cmds / 2; |
| if (ha->enq->ucLogDriveCount <= 2) |
| min = ha->max_cmds - 1; |
| scsi_adjust_queue_depth(SDptr, MSG_ORDERED_TAG, min); |
| } |
| return 0; |
| } |
| #endif |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: do_ipsintr */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Wrapper for the interrupt handler */ |
| /* */ |
| /****************************************************************************/ |
| static irqreturn_t |
| do_ipsintr(int irq, void *dev_id, struct pt_regs * regs) |
| { |
| ips_ha_t *ha; |
| unsigned long cpu_flags; |
| struct Scsi_Host *host; |
| int irqstatus; |
| |
| METHOD_TRACE("do_ipsintr", 2); |
| |
| ha = (ips_ha_t *) dev_id; |
| if (!ha) |
| return IRQ_NONE; |
| host = ips_sh[ha->host_num]; |
| /* interrupt during initialization */ |
| if (!host) { |
| (*ha->func.intr) (ha); |
| return IRQ_HANDLED; |
| } |
| |
| IPS_LOCK_SAVE(host->host_lock, cpu_flags); |
| |
| if (!ha->active) { |
| IPS_UNLOCK_RESTORE(host->host_lock, cpu_flags); |
| return IRQ_HANDLED; |
| } |
| |
| irqstatus = (*ha->func.intr) (ha); |
| |
| IPS_UNLOCK_RESTORE(host->host_lock, cpu_flags); |
| |
| /* start the next command */ |
| ips_next(ha, IPS_INTR_ON); |
| return IRQ_RETVAL(irqstatus); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_intr_copperhead */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Polling interrupt handler */ |
| /* */ |
| /* ASSUMES interrupts are disabled */ |
| /* */ |
| /****************************************************************************/ |
| int |
| ips_intr_copperhead(ips_ha_t * ha) |
| { |
| ips_stat_t *sp; |
| ips_scb_t *scb; |
| IPS_STATUS cstatus; |
| int intrstatus; |
| |
| METHOD_TRACE("ips_intr", 2); |
| |
| if (!ha) |
| return 0; |
| |
| if (!ha->active) |
| return 0; |
| |
| intrstatus = (*ha->func.isintr) (ha); |
| |
| if (!intrstatus) { |
| /* |
| * Unexpected/Shared interrupt |
| */ |
| |
| return 0; |
| } |
| |
| while (TRUE) { |
| sp = &ha->sp; |
| |
| intrstatus = (*ha->func.isintr) (ha); |
| |
| if (!intrstatus) |
| break; |
| else |
| cstatus.value = (*ha->func.statupd) (ha); |
| |
| if (cstatus.fields.command_id > (IPS_MAX_CMDS - 1)) { |
| /* Spurious Interupt ? */ |
| continue; |
| } |
| |
| ips_chkstatus(ha, &cstatus); |
| scb = (ips_scb_t *) sp->scb_addr; |
| |
| /* |
| * use the callback function to finish things up |
| * NOTE: interrupts are OFF for this |
| */ |
| (*scb->callback) (ha, scb); |
| } /* end while */ |
| return 1; |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_intr_morpheus */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Polling interrupt handler */ |
| /* */ |
| /* ASSUMES interrupts are disabled */ |
| /* */ |
| /****************************************************************************/ |
| int |
| ips_intr_morpheus(ips_ha_t * ha) |
| { |
| ips_stat_t *sp; |
| ips_scb_t *scb; |
| IPS_STATUS cstatus; |
| int intrstatus; |
| |
| METHOD_TRACE("ips_intr_morpheus", 2); |
| |
| if (!ha) |
| return 0; |
| |
| if (!ha->active) |
| return 0; |
| |
| intrstatus = (*ha->func.isintr) (ha); |
| |
| if (!intrstatus) { |
| /* |
| * Unexpected/Shared interrupt |
| */ |
| |
| return 0; |
| } |
| |
| while (TRUE) { |
| sp = &ha->sp; |
| |
| intrstatus = (*ha->func.isintr) (ha); |
| |
| if (!intrstatus) |
| break; |
| else |
| cstatus.value = (*ha->func.statupd) (ha); |
| |
| if (cstatus.value == 0xffffffff) |
| /* No more to process */ |
| break; |
| |
| if (cstatus.fields.command_id > (IPS_MAX_CMDS - 1)) { |
| IPS_PRINTK(KERN_WARNING, ha->pcidev, |
| "Spurious interrupt; no ccb.\n"); |
| |
| continue; |
| } |
| |
| ips_chkstatus(ha, &cstatus); |
| scb = (ips_scb_t *) sp->scb_addr; |
| |
| /* |
| * use the callback function to finish things up |
| * NOTE: interrupts are OFF for this |
| */ |
| (*scb->callback) (ha, scb); |
| } /* end while */ |
| return 1; |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_info */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Return info about the driver */ |
| /* */ |
| /****************************************************************************/ |
| static const char * |
| ips_info(struct Scsi_Host *SH) |
| { |
| static char buffer[256]; |
| char *bp; |
| ips_ha_t *ha; |
| |
| METHOD_TRACE("ips_info", 1); |
| |
| ha = IPS_HA(SH); |
| |
| if (!ha) |
| return (NULL); |
| |
| bp = &buffer[0]; |
| memset(bp, 0, sizeof (buffer)); |
| |
| sprintf(bp, "%s%s%s Build %d", "IBM PCI ServeRAID ", |
| IPS_VERSION_HIGH, IPS_VERSION_LOW, IPS_BUILD_IDENT); |
| |
| if (ha->ad_type > 0 && ha->ad_type <= MAX_ADAPTER_NAME) { |
| strcat(bp, " <"); |
| strcat(bp, ips_adapter_name[ha->ad_type - 1]); |
| strcat(bp, ">"); |
| } |
| |
| return (bp); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_proc_info */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* The passthru interface for the driver */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset, |
| int length, int func) |
| { |
| int i; |
| int ret; |
| ips_ha_t *ha = NULL; |
| |
| METHOD_TRACE("ips_proc_info", 1); |
| |
| /* Find our host structure */ |
| for (i = 0; i < ips_next_controller; i++) { |
| if (ips_sh[i]) { |
| if (ips_sh[i] == host) { |
| ha = (ips_ha_t *) ips_sh[i]->hostdata; |
| break; |
| } |
| } |
| } |
| |
| if (!ha) |
| return (-EINVAL); |
| |
| if (func) { |
| /* write */ |
| return (0); |
| } else { |
| /* read */ |
| if (start) |
| *start = buffer; |
| |
| ret = ips_host_info(ha, buffer, offset, length); |
| |
| return (ret); |
| } |
| } |
| |
| /*--------------------------------------------------------------------------*/ |
| /* Helper Functions */ |
| /*--------------------------------------------------------------------------*/ |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_is_passthru */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Determine if the specified SCSI command is really a passthru command */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_is_passthru(Scsi_Cmnd * SC) |
| { |
| unsigned long flags; |
| |
| METHOD_TRACE("ips_is_passthru", 1); |
| |
| if (!SC) |
| return (0); |
| |
| if ((SC->cmnd[0] == IPS_IOCTL_COMMAND) && |
| (SC->device->channel == 0) && |
| (SC->device->id == IPS_ADAPTER_ID) && |
| (SC->device->lun == 0) && SC->request_buffer) { |
| if ((!SC->use_sg) && SC->request_bufflen && |
| (((char *) SC->request_buffer)[0] == 'C') && |
| (((char *) SC->request_buffer)[1] == 'O') && |
| (((char *) SC->request_buffer)[2] == 'P') && |
| (((char *) SC->request_buffer)[3] == 'P')) |
| return 1; |
| else if (SC->use_sg) { |
| struct scatterlist *sg = SC->request_buffer; |
| char *buffer; |
| |
| /* kmap_atomic() ensures addressability of the user buffer.*/ |
| /* local_irq_save() protects the KM_IRQ0 address slot. */ |
| local_irq_save(flags); |
| buffer = kmap_atomic(sg->page, KM_IRQ0) + sg->offset; |
| if (buffer && buffer[0] == 'C' && buffer[1] == 'O' && |
| buffer[2] == 'P' && buffer[3] == 'P') { |
| kunmap_atomic(buffer - sg->offset, KM_IRQ0); |
| local_irq_restore(flags); |
| return 1; |
| } |
| kunmap_atomic(buffer - sg->offset, KM_IRQ0); |
| local_irq_restore(flags); |
| } |
| } |
| return 0; |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_alloc_passthru_buffer */ |
| /* */ |
| /* Routine Description: */ |
| /* allocate a buffer large enough for the ioctl data if the ioctl buffer */ |
| /* is too small or doesn't exist */ |
| /****************************************************************************/ |
| static int |
| ips_alloc_passthru_buffer(ips_ha_t * ha, int length) |
| { |
| void *bigger_buf; |
| dma_addr_t dma_busaddr; |
| |
| if (ha->ioctl_data && length <= ha->ioctl_len) |
| return 0; |
| /* there is no buffer or it's not big enough, allocate a new one */ |
| bigger_buf = pci_alloc_consistent(ha->pcidev, length, &dma_busaddr); |
| if (bigger_buf) { |
| /* free the old memory */ |
| pci_free_consistent(ha->pcidev, ha->ioctl_len, ha->ioctl_data, |
| ha->ioctl_busaddr); |
| /* use the new memory */ |
| ha->ioctl_data = (char *) bigger_buf; |
| ha->ioctl_len = length; |
| ha->ioctl_busaddr = dma_busaddr; |
| } else { |
| return -1; |
| } |
| return 0; |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_make_passthru */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Make a passthru command out of the info in the Scsi block */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_make_passthru(ips_ha_t * ha, Scsi_Cmnd * SC, ips_scb_t * scb, int intr) |
| { |
| ips_passthru_t *pt; |
| int length = 0; |
| int ret; |
| |
| METHOD_TRACE("ips_make_passthru", 1); |
| |
| if (!SC->use_sg) { |
| length = SC->request_bufflen; |
| } else { |
| struct scatterlist *sg = SC->request_buffer; |
| int i; |
| for (i = 0; i < SC->use_sg; i++) |
| length += sg[i].length; |
| } |
| if (length < sizeof (ips_passthru_t)) { |
| /* wrong size */ |
| DEBUG_VAR(1, "(%s%d) Passthru structure wrong size", |
| ips_name, ha->host_num); |
| return (IPS_FAILURE); |
| } |
| if (ips_alloc_passthru_buffer(ha, length)) { |
| /* allocation failure! If ha->ioctl_data exists, use it to return |
| some error codes. Return a failed command to the scsi layer. */ |
| if (ha->ioctl_data) { |
| pt = (ips_passthru_t *) ha->ioctl_data; |
| ips_scmd_buf_read(SC, pt, sizeof (ips_passthru_t)); |
| pt->BasicStatus = 0x0B; |
| pt->ExtendedStatus = 0x00; |
| ips_scmd_buf_write(SC, pt, sizeof (ips_passthru_t)); |
| } |
| return IPS_FAILURE; |
| } |
| ha->ioctl_datasize = length; |
| |
| ips_scmd_buf_read(SC, ha->ioctl_data, ha->ioctl_datasize); |
| pt = (ips_passthru_t *) ha->ioctl_data; |
| |
| /* |
| * Some notes about the passthru interface used |
| * |
| * IF the scsi op_code == 0x0d then we assume |
| * that the data came along with/goes with the |
| * packet we received from the sg driver. In this |
| * case the CmdBSize field of the pt structure is |
| * used for the size of the buffer. |
| */ |
| |
| switch (pt->CoppCmd) { |
| case IPS_NUMCTRLS: |
| memcpy(ha->ioctl_data + sizeof (ips_passthru_t), |
| &ips_num_controllers, sizeof (int)); |
| ips_scmd_buf_write(SC, ha->ioctl_data, |
| sizeof (ips_passthru_t) + sizeof (int)); |
| SC->result = DID_OK << 16; |
| |
| return (IPS_SUCCESS_IMM); |
| |
| case IPS_COPPUSRCMD: |
| case IPS_COPPIOCCMD: |
| if (SC->cmnd[0] == IPS_IOCTL_COMMAND) { |
| if (length < (sizeof (ips_passthru_t) + pt->CmdBSize)) { |
| /* wrong size */ |
| DEBUG_VAR(1, |
| "(%s%d) Passthru structure wrong size", |
| ips_name, ha->host_num); |
| |
| return (IPS_FAILURE); |
| } |
| |
| if (ha->device_id == IPS_DEVICEID_COPPERHEAD && |
| pt->CoppCP.cmd.flashfw.op_code == |
| IPS_CMD_RW_BIOSFW) { |
| ret = ips_flash_copperhead(ha, pt, scb); |
| ips_scmd_buf_write(SC, ha->ioctl_data, |
| sizeof (ips_passthru_t)); |
| return ret; |
| } |
| if (ips_usrcmd(ha, pt, scb)) |
| return (IPS_SUCCESS); |
| else |
| return (IPS_FAILURE); |
| } |
| |
| break; |
| |
| } /* end switch */ |
| |
| return (IPS_FAILURE); |
| } |
| |
| /****************************************************************************/ |
| /* Routine Name: ips_flash_copperhead */ |
| /* Routine Description: */ |
| /* Flash the BIOS/FW on a Copperhead style controller */ |
| /****************************************************************************/ |
| static int |
| ips_flash_copperhead(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb) |
| { |
| int datasize; |
| |
| /* Trombone is the only copperhead that can do packet flash, but only |
| * for firmware. No one said it had to make sence. */ |
| if (IPS_IS_TROMBONE(ha) && pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE) { |
| if (ips_usrcmd(ha, pt, scb)) |
| return IPS_SUCCESS; |
| else |
| return IPS_FAILURE; |
| } |
| pt->BasicStatus = 0x0B; |
| pt->ExtendedStatus = 0; |
| scb->scsi_cmd->result = DID_OK << 16; |
| /* IF it's OK to Use the "CD BOOT" Flash Buffer, then you can */ |
| /* avoid allocating a huge buffer per adapter ( which can fail ). */ |
| if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE && |
| pt->CoppCP.cmd.flashfw.direction == IPS_ERASE_BIOS) { |
| pt->BasicStatus = 0; |
| return ips_flash_bios(ha, pt, scb); |
| } else if (pt->CoppCP.cmd.flashfw.packet_num == 0) { |
| if (ips_FlashData && !test_and_set_bit(0, &ips_FlashDataInUse)){ |
| ha->flash_data = ips_FlashData; |
| ha->flash_busaddr = ips_flashbusaddr; |
| ha->flash_len = PAGE_SIZE << 7; |
| ha->flash_datasize = 0; |
| } else if (!ha->flash_data) { |
| datasize = pt->CoppCP.cmd.flashfw.total_packets * |
| pt->CoppCP.cmd.flashfw.count; |
| ha->flash_data = pci_alloc_consistent(ha->pcidev, |
| datasize, |
| &ha->flash_busaddr); |
| if (!ha->flash_data){ |
| printk(KERN_WARNING "Unable to allocate a flash buffer\n"); |
| return IPS_FAILURE; |
| } |
| ha->flash_datasize = 0; |
| ha->flash_len = datasize; |
| } else |
| return IPS_FAILURE; |
| } else { |
| if (pt->CoppCP.cmd.flashfw.count + ha->flash_datasize > |
| ha->flash_len) { |
| ips_free_flash_copperhead(ha); |
| IPS_PRINTK(KERN_WARNING, ha->pcidev, |
| "failed size sanity check\n"); |
| return IPS_FAILURE; |
| } |
| } |
| if (!ha->flash_data) |
| return IPS_FAILURE; |
| pt->BasicStatus = 0; |
| memcpy(&ha->flash_data[ha->flash_datasize], pt + 1, |
| pt->CoppCP.cmd.flashfw.count); |
| ha->flash_datasize += pt->CoppCP.cmd.flashfw.count; |
| if (pt->CoppCP.cmd.flashfw.packet_num == |
| pt->CoppCP.cmd.flashfw.total_packets - 1) { |
| if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE) |
| return ips_flash_bios(ha, pt, scb); |
| else if (pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE) |
| return ips_flash_firmware(ha, pt, scb); |
| } |
| return IPS_SUCCESS_IMM; |
| } |
| |
| /****************************************************************************/ |
| /* Routine Name: ips_flash_bios */ |
| /* Routine Description: */ |
| /* flashes the bios of a copperhead adapter */ |
| /****************************************************************************/ |
| static int |
| ips_flash_bios(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb) |
| { |
| |
| if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE && |
| pt->CoppCP.cmd.flashfw.direction == IPS_WRITE_BIOS) { |
| if ((!ha->func.programbios) || (!ha->func.erasebios) || |
| (!ha->func.verifybios)) |
| goto error; |
| if ((*ha->func.erasebios) (ha)) { |
| DEBUG_VAR(1, |
| "(%s%d) flash bios failed - unable to erase flash", |
| ips_name, ha->host_num); |
| goto error; |
| } else |
| if ((*ha->func.programbios) (ha, |
| ha->flash_data + |
| IPS_BIOS_HEADER, |
| ha->flash_datasize - |
| IPS_BIOS_HEADER, 0)) { |
| DEBUG_VAR(1, |
| "(%s%d) flash bios failed - unable to flash", |
| ips_name, ha->host_num); |
| goto error; |
| } else |
| if ((*ha->func.verifybios) (ha, |
| ha->flash_data + |
| IPS_BIOS_HEADER, |
| ha->flash_datasize - |
| IPS_BIOS_HEADER, 0)) { |
| DEBUG_VAR(1, |
| "(%s%d) flash bios failed - unable to verify flash", |
| ips_name, ha->host_num); |
| goto error; |
| } |
| ips_free_flash_copperhead(ha); |
| return IPS_SUCCESS_IMM; |
| } else if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE && |
| pt->CoppCP.cmd.flashfw.direction == IPS_ERASE_BIOS) { |
| if (!ha->func.erasebios) |
| goto error; |
| if ((*ha->func.erasebios) (ha)) { |
| DEBUG_VAR(1, |
| "(%s%d) flash bios failed - unable to erase flash", |
| ips_name, ha->host_num); |
| goto error; |
| } |
| return IPS_SUCCESS_IMM; |
| } |
| error: |
| pt->BasicStatus = 0x0B; |
| pt->ExtendedStatus = 0x00; |
| ips_free_flash_copperhead(ha); |
| return IPS_FAILURE; |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_fill_scb_sg_single */ |
| /* */ |
| /* Routine Description: */ |
| /* Fill in a single scb sg_list element from an address */ |
| /* return a -1 if a breakup occurred */ |
| /****************************************************************************/ |
| static int |
| ips_fill_scb_sg_single(ips_ha_t * ha, dma_addr_t busaddr, |
| ips_scb_t * scb, int indx, unsigned int e_len) |
| { |
| |
| int ret_val = 0; |
| |
| if ((scb->data_len + e_len) > ha->max_xfer) { |
| e_len = ha->max_xfer - scb->data_len; |
| scb->breakup = indx; |
| ++scb->sg_break; |
| ret_val = -1; |
| } else { |
| scb->breakup = 0; |
| scb->sg_break = 0; |
| } |
| if (IPS_USE_ENH_SGLIST(ha)) { |
| scb->sg_list.enh_list[indx].address_lo = |
| cpu_to_le32(pci_dma_lo32(busaddr)); |
| scb->sg_list.enh_list[indx].address_hi = |
| cpu_to_le32(pci_dma_hi32(busaddr)); |
| scb->sg_list.enh_list[indx].length = cpu_to_le32(e_len); |
| } else { |
| scb->sg_list.std_list[indx].address = |
| cpu_to_le32(pci_dma_lo32(busaddr)); |
| scb->sg_list.std_list[indx].length = cpu_to_le32(e_len); |
| } |
| |
| ++scb->sg_len; |
| scb->data_len += e_len; |
| return ret_val; |
| } |
| |
| /****************************************************************************/ |
| /* Routine Name: ips_flash_firmware */ |
| /* Routine Description: */ |
| /* flashes the firmware of a copperhead adapter */ |
| /****************************************************************************/ |
| static int |
| ips_flash_firmware(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb) |
| { |
| IPS_SG_LIST sg_list; |
| uint32_t cmd_busaddr; |
| |
| if (pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE && |
| pt->CoppCP.cmd.flashfw.direction == IPS_WRITE_FW) { |
| memset(&pt->CoppCP.cmd, 0, sizeof (IPS_HOST_COMMAND)); |
| pt->CoppCP.cmd.flashfw.op_code = IPS_CMD_DOWNLOAD; |
| pt->CoppCP.cmd.flashfw.count = cpu_to_le32(ha->flash_datasize); |
| } else { |
| pt->BasicStatus = 0x0B; |
| pt->ExtendedStatus = 0x00; |
| ips_free_flash_copperhead(ha); |
| return IPS_FAILURE; |
| } |
| /* Save the S/G list pointer so it doesn't get clobbered */ |
| sg_list.list = scb->sg_list.list; |
| cmd_busaddr = scb->scb_busaddr; |
| /* copy in the CP */ |
| memcpy(&scb->cmd, &pt->CoppCP.cmd, sizeof (IPS_IOCTL_CMD)); |
| /* FIX stuff that might be wrong */ |
| scb->sg_list.list = sg_list.list; |
| scb->scb_busaddr = cmd_busaddr; |
| scb->bus = scb->scsi_cmd->device->channel; |
| scb->target_id = scb->scsi_cmd->device->id; |
| scb->lun = scb->scsi_cmd->device->lun; |
| scb->sg_len = 0; |
| scb->data_len = 0; |
| scb->flags = 0; |
| scb->op_code = 0; |
| scb->callback = ipsintr_done; |
| scb->timeout = ips_cmd_timeout; |
| |
| scb->data_len = ha->flash_datasize; |
| scb->data_busaddr = |
| pci_map_single(ha->pcidev, ha->flash_data, scb->data_len, |
| IPS_DMA_DIR(scb)); |
| scb->flags |= IPS_SCB_MAP_SINGLE; |
| scb->cmd.flashfw.command_id = IPS_COMMAND_ID(ha, scb); |
| scb->cmd.flashfw.buffer_addr = cpu_to_le32(scb->data_busaddr); |
| if (pt->TimeOut) |
| scb->timeout = pt->TimeOut; |
| scb->scsi_cmd->result = DID_OK << 16; |
| return IPS_SUCCESS; |
| } |
| |
| /****************************************************************************/ |
| /* Routine Name: ips_free_flash_copperhead */ |
| /* Routine Description: */ |
| /* release the memory resources used to hold the flash image */ |
| /****************************************************************************/ |
| static void |
| ips_free_flash_copperhead(ips_ha_t * ha) |
| { |
| if (ha->flash_data == ips_FlashData) |
| test_and_clear_bit(0, &ips_FlashDataInUse); |
| else if (ha->flash_data) |
| pci_free_consistent(ha->pcidev, ha->flash_len, ha->flash_data, |
| ha->flash_busaddr); |
| ha->flash_data = NULL; |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_usrcmd */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Process a user command and make it ready to send */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_usrcmd(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb) |
| { |
| IPS_SG_LIST sg_list; |
| uint32_t cmd_busaddr; |
| |
| METHOD_TRACE("ips_usrcmd", 1); |
| |
| if ((!scb) || (!pt) || (!ha)) |
| return (0); |
| |
| /* Save the S/G list pointer so it doesn't get clobbered */ |
| sg_list.list = scb->sg_list.list; |
| cmd_busaddr = scb->scb_busaddr; |
| /* copy in the CP */ |
| memcpy(&scb->cmd, &pt->CoppCP.cmd, sizeof (IPS_IOCTL_CMD)); |
| memcpy(&scb->dcdb, &pt->CoppCP.dcdb, sizeof (IPS_DCDB_TABLE)); |
| |
| /* FIX stuff that might be wrong */ |
| scb->sg_list.list = sg_list.list; |
| scb->scb_busaddr = cmd_busaddr; |
| scb->bus = scb->scsi_cmd->device->channel; |
| scb->target_id = scb->scsi_cmd->device->id; |
| scb->lun = scb->scsi_cmd->device->lun; |
| scb->sg_len = 0; |
| scb->data_len = 0; |
| scb->flags = 0; |
| scb->op_code = 0; |
| scb->callback = ipsintr_done; |
| scb->timeout = ips_cmd_timeout; |
| scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb); |
| |
| /* we don't support DCDB/READ/WRITE Scatter Gather */ |
| if ((scb->cmd.basic_io.op_code == IPS_CMD_READ_SG) || |
| (scb->cmd.basic_io.op_code == IPS_CMD_WRITE_SG) || |
| (scb->cmd.basic_io.op_code == IPS_CMD_DCDB_SG)) |
| return (0); |
| |
| if (pt->CmdBSize) { |
| scb->data_len = pt->CmdBSize; |
| scb->data_busaddr = ha->ioctl_busaddr + sizeof (ips_passthru_t); |
| } else { |
| scb->data_busaddr = 0L; |
| } |
| |
| if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB) |
| scb->cmd.dcdb.dcdb_address = cpu_to_le32(scb->scb_busaddr + |
| (unsigned long) &scb-> |
| dcdb - |
| (unsigned long) scb); |
| |
| if (pt->CmdBSize) { |
| if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB) |
| scb->dcdb.buffer_pointer = |
| cpu_to_le32(scb->data_busaddr); |
| else |
| scb->cmd.basic_io.sg_addr = |
| cpu_to_le32(scb->data_busaddr); |
| } |
| |
| /* set timeouts */ |
| if (pt->TimeOut) { |
| scb->timeout = pt->TimeOut; |
| |
| if (pt->TimeOut <= 10) |
| scb->dcdb.cmd_attribute |= IPS_TIMEOUT10; |
| else if (pt->TimeOut <= 60) |
| scb->dcdb.cmd_attribute |= IPS_TIMEOUT60; |
| else |
| scb->dcdb.cmd_attribute |= IPS_TIMEOUT20M; |
| } |
| |
| /* assume success */ |
| scb->scsi_cmd->result = DID_OK << 16; |
| |
| /* success */ |
| return (1); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_cleanup_passthru */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Cleanup after a passthru command */ |
| /* */ |
| /****************************************************************************/ |
| static void |
| ips_cleanup_passthru(ips_ha_t * ha, ips_scb_t * scb) |
| { |
| ips_passthru_t *pt; |
| |
| METHOD_TRACE("ips_cleanup_passthru", 1); |
| |
| if ((!scb) || (!scb->scsi_cmd) || (!scb->scsi_cmd->request_buffer)) { |
| DEBUG_VAR(1, "(%s%d) couldn't cleanup after passthru", |
| ips_name, ha->host_num); |
| |
| return; |
| } |
| pt = (ips_passthru_t *) ha->ioctl_data; |
| |
| /* Copy data back to the user */ |
| if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB) /* Copy DCDB Back to Caller's Area */ |
| memcpy(&pt->CoppCP.dcdb, &scb->dcdb, sizeof (IPS_DCDB_TABLE)); |
| |
| pt->BasicStatus = scb->basic_status; |
| pt->ExtendedStatus = scb->extended_status; |
| pt->AdapterType = ha->ad_type; |
| |
| if (ha->device_id == IPS_DEVICEID_COPPERHEAD && |
| (scb->cmd.flashfw.op_code == IPS_CMD_DOWNLOAD || |
| scb->cmd.flashfw.op_code == IPS_CMD_RW_BIOSFW)) |
| ips_free_flash_copperhead(ha); |
| |
| ips_scmd_buf_write(scb->scsi_cmd, ha->ioctl_data, ha->ioctl_datasize); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_host_info */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* The passthru interface for the driver */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_host_info(ips_ha_t * ha, char *ptr, off_t offset, int len) |
| { |
| IPS_INFOSTR info; |
| |
| METHOD_TRACE("ips_host_info", 1); |
| |
| info.buffer = ptr; |
| info.length = len; |
| info.offset = offset; |
| info.pos = 0; |
| info.localpos = 0; |
| |
| copy_info(&info, "\nIBM ServeRAID General Information:\n\n"); |
| |
| if ((le32_to_cpu(ha->nvram->signature) == IPS_NVRAM_P5_SIG) && |
| (le16_to_cpu(ha->nvram->adapter_type) != 0)) |
| copy_info(&info, "\tController Type : %s\n", |
| ips_adapter_name[ha->ad_type - 1]); |
| else |
| copy_info(&info, |
| "\tController Type : Unknown\n"); |
| |
| if (ha->io_addr) |
| copy_info(&info, |
| "\tIO region : 0x%lx (%d bytes)\n", |
| ha->io_addr, ha->io_len); |
| |
| if (ha->mem_addr) { |
| copy_info(&info, |
| "\tMemory region : 0x%lx (%d bytes)\n", |
| ha->mem_addr, ha->mem_len); |
| copy_info(&info, |
| "\tShared memory address : 0x%lx\n", |
| ha->mem_ptr); |
| } |
| |
| copy_info(&info, "\tIRQ number : %d\n", ha->irq); |
| |
| /* For the Next 3 lines Check for Binary 0 at the end and don't include it if it's there. */ |
| /* That keeps everything happy for "text" operations on the proc file. */ |
| |
| if (le32_to_cpu(ha->nvram->signature) == IPS_NVRAM_P5_SIG) { |
| if (ha->nvram->bios_low[3] == 0) { |
| copy_info(&info, |
| "\tBIOS Version : %c%c%c%c%c%c%c\n", |
| ha->nvram->bios_high[0], ha->nvram->bios_high[1], |
| ha->nvram->bios_high[2], ha->nvram->bios_high[3], |
| ha->nvram->bios_low[0], ha->nvram->bios_low[1], |
| ha->nvram->bios_low[2]); |
| |
| } else { |
| copy_info(&info, |
| "\tBIOS Version : %c%c%c%c%c%c%c%c\n", |
| ha->nvram->bios_high[0], ha->nvram->bios_high[1], |
| ha->nvram->bios_high[2], ha->nvram->bios_high[3], |
| ha->nvram->bios_low[0], ha->nvram->bios_low[1], |
| ha->nvram->bios_low[2], ha->nvram->bios_low[3]); |
| } |
| |
| } |
| |
| if (ha->enq->CodeBlkVersion[7] == 0) { |
| copy_info(&info, |
| "\tFirmware Version : %c%c%c%c%c%c%c\n", |
| ha->enq->CodeBlkVersion[0], ha->enq->CodeBlkVersion[1], |
| ha->enq->CodeBlkVersion[2], ha->enq->CodeBlkVersion[3], |
| ha->enq->CodeBlkVersion[4], ha->enq->CodeBlkVersion[5], |
| ha->enq->CodeBlkVersion[6]); |
| } else { |
| copy_info(&info, |
| "\tFirmware Version : %c%c%c%c%c%c%c%c\n", |
| ha->enq->CodeBlkVersion[0], ha->enq->CodeBlkVersion[1], |
| ha->enq->CodeBlkVersion[2], ha->enq->CodeBlkVersion[3], |
| ha->enq->CodeBlkVersion[4], ha->enq->CodeBlkVersion[5], |
| ha->enq->CodeBlkVersion[6], ha->enq->CodeBlkVersion[7]); |
| } |
| |
| if (ha->enq->BootBlkVersion[7] == 0) { |
| copy_info(&info, |
| "\tBoot Block Version : %c%c%c%c%c%c%c\n", |
| ha->enq->BootBlkVersion[0], ha->enq->BootBlkVersion[1], |
| ha->enq->BootBlkVersion[2], ha->enq->BootBlkVersion[3], |
| ha->enq->BootBlkVersion[4], ha->enq->BootBlkVersion[5], |
| ha->enq->BootBlkVersion[6]); |
| } else { |
| copy_info(&info, |
| "\tBoot Block Version : %c%c%c%c%c%c%c%c\n", |
| ha->enq->BootBlkVersion[0], ha->enq->BootBlkVersion[1], |
| ha->enq->BootBlkVersion[2], ha->enq->BootBlkVersion[3], |
| ha->enq->BootBlkVersion[4], ha->enq->BootBlkVersion[5], |
| ha->enq->BootBlkVersion[6], ha->enq->BootBlkVersion[7]); |
| } |
| |
| copy_info(&info, "\tDriver Version : %s%s\n", |
| IPS_VERSION_HIGH, IPS_VERSION_LOW); |
| |
| copy_info(&info, "\tDriver Build : %d\n", |
| IPS_BUILD_IDENT); |
| |
| copy_info(&info, "\tMax Physical Devices : %d\n", |
| ha->enq->ucMaxPhysicalDevices); |
| copy_info(&info, "\tMax Active Commands : %d\n", |
| ha->max_cmds); |
| copy_info(&info, "\tCurrent Queued Commands : %d\n", |
| ha->scb_waitlist.count); |
| copy_info(&info, "\tCurrent Active Commands : %d\n", |
| ha->scb_activelist.count - ha->num_ioctl); |
| copy_info(&info, "\tCurrent Queued PT Commands : %d\n", |
| ha->copp_waitlist.count); |
| copy_info(&info, "\tCurrent Active PT Commands : %d\n", |
| ha->num_ioctl); |
| |
| copy_info(&info, "\n"); |
| |
| return (info.localpos); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: copy_mem_info */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Copy data into an IPS_INFOSTR structure */ |
| /* */ |
| /****************************************************************************/ |
| static void |
| copy_mem_info(IPS_INFOSTR * info, char *data, int len) |
| { |
| METHOD_TRACE("copy_mem_info", 1); |
| |
| if (info->pos + len < info->offset) { |
| info->pos += len; |
| return; |
| } |
| |
| if (info->pos < info->offset) { |
| data += (info->offset - info->pos); |
| len -= (info->offset - info->pos); |
| info->pos += (info->offset - info->pos); |
| } |
| |
| if (info->localpos + len > info->length) |
| len = info->length - info->localpos; |
| |
| if (len > 0) { |
| memcpy(info->buffer + info->localpos, data, len); |
| info->pos += len; |
| info->localpos += len; |
| } |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: copy_info */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* printf style wrapper for an info structure */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| copy_info(IPS_INFOSTR * info, char *fmt, ...) |
| { |
| va_list args; |
| char buf[128]; |
| int len; |
| |
| METHOD_TRACE("copy_info", 1); |
| |
| va_start(args, fmt); |
| len = vsprintf(buf, fmt, args); |
| va_end(args); |
| |
| copy_mem_info(info, buf, len); |
| |
| return (len); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_identify_controller */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Identify this controller */ |
| /* */ |
| /****************************************************************************/ |
| static void |
| ips_identify_controller(ips_ha_t * ha) |
| { |
| METHOD_TRACE("ips_identify_controller", 1); |
| |
| switch (ha->device_id) { |
| case IPS_DEVICEID_COPPERHEAD: |
| if (ha->revision_id <= IPS_REVID_SERVERAID) { |
| ha->ad_type = IPS_ADTYPE_SERVERAID; |
| } else if (ha->revision_id == IPS_REVID_SERVERAID2) { |
| ha->ad_type = IPS_ADTYPE_SERVERAID2; |
| } else if (ha->revision_id == IPS_REVID_NAVAJO) { |
| ha->ad_type = IPS_ADTYPE_NAVAJO; |
| } else if ((ha->revision_id == IPS_REVID_SERVERAID2) |
| && (ha->slot_num == 0)) { |
| ha->ad_type = IPS_ADTYPE_KIOWA; |
| } else if ((ha->revision_id >= IPS_REVID_CLARINETP1) && |
| (ha->revision_id <= IPS_REVID_CLARINETP3)) { |
| if (ha->enq->ucMaxPhysicalDevices == 15) |
| ha->ad_type = IPS_ADTYPE_SERVERAID3L; |
| else |
| ha->ad_type = IPS_ADTYPE_SERVERAID3; |
| } else if ((ha->revision_id >= IPS_REVID_TROMBONE32) && |
| (ha->revision_id <= IPS_REVID_TROMBONE64)) { |
| ha->ad_type = IPS_ADTYPE_SERVERAID4H; |
| } |
| break; |
| |
| case IPS_DEVICEID_MORPHEUS: |
| switch (ha->subdevice_id) { |
| case IPS_SUBDEVICEID_4L: |
| ha->ad_type = IPS_ADTYPE_SERVERAID4L; |
| break; |
| |
| case IPS_SUBDEVICEID_4M: |
| ha->ad_type = IPS_ADTYPE_SERVERAID4M; |
| break; |
| |
| case IPS_SUBDEVICEID_4MX: |
| ha->ad_type = IPS_ADTYPE_SERVERAID4MX; |
| break; |
| |
| case IPS_SUBDEVICEID_4LX: |
| ha->ad_type = IPS_ADTYPE_SERVERAID4LX; |
| break; |
| |
| case IPS_SUBDEVICEID_5I2: |
| ha->ad_type = IPS_ADTYPE_SERVERAID5I2; |
| break; |
| |
| case IPS_SUBDEVICEID_5I1: |
| ha->ad_type = IPS_ADTYPE_SERVERAID5I1; |
| break; |
| } |
| |
| break; |
| |
| case IPS_DEVICEID_MARCO: |
| switch (ha->subdevice_id) { |
| case IPS_SUBDEVICEID_6M: |
| ha->ad_type = IPS_ADTYPE_SERVERAID6M; |
| break; |
| case IPS_SUBDEVICEID_6I: |
| ha->ad_type = IPS_ADTYPE_SERVERAID6I; |
| break; |
| case IPS_SUBDEVICEID_7k: |
| ha->ad_type = IPS_ADTYPE_SERVERAID7k; |
| break; |
| case IPS_SUBDEVICEID_7M: |
| ha->ad_type = IPS_ADTYPE_SERVERAID7M; |
| break; |
| } |
| break; |
| } |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_get_bios_version */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Get the BIOS revision number */ |
| /* */ |
| /****************************************************************************/ |
| static void |
| ips_get_bios_version(ips_ha_t * ha, int intr) |
| { |
| ips_scb_t *scb; |
| int ret; |
| uint8_t major; |
| uint8_t minor; |
| uint8_t subminor; |
| uint8_t *buffer; |
| char hexDigits[] = |
| { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', |
| 'D', 'E', 'F' }; |
| |
| METHOD_TRACE("ips_get_bios_version", 1); |
| |
| major = 0; |
| minor = 0; |
| |
| strncpy(ha->bios_version, " ?", 8); |
| |
| if (ha->device_id == IPS_DEVICEID_COPPERHEAD) { |
| if (IPS_USE_MEMIO(ha)) { |
| /* Memory Mapped I/O */ |
| |
| /* test 1st byte */ |
| writel(0, ha->mem_ptr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0x55) |
| return; |
| |
| writel(1, ha->mem_ptr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0xAA) |
| return; |
| |
| /* Get Major version */ |
| writel(0x1FF, ha->mem_ptr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| major = readb(ha->mem_ptr + IPS_REG_FLDP); |
| |
| /* Get Minor version */ |
| writel(0x1FE, ha->mem_ptr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| minor = readb(ha->mem_ptr + IPS_REG_FLDP); |
| |
| /* Get SubMinor version */ |
| writel(0x1FD, ha->mem_ptr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| subminor = readb(ha->mem_ptr + IPS_REG_FLDP); |
| |
| } else { |
| /* Programmed I/O */ |
| |
| /* test 1st byte */ |
| outl(0, ha->io_addr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| if (inb(ha->io_addr + IPS_REG_FLDP) != 0x55) |
| return; |
| |
| outl(cpu_to_le32(1), ha->io_addr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| if (inb(ha->io_addr + IPS_REG_FLDP) != 0xAA) |
| return; |
| |
| /* Get Major version */ |
| outl(cpu_to_le32(0x1FF), ha->io_addr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| major = inb(ha->io_addr + IPS_REG_FLDP); |
| |
| /* Get Minor version */ |
| outl(cpu_to_le32(0x1FE), ha->io_addr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| minor = inb(ha->io_addr + IPS_REG_FLDP); |
| |
| /* Get SubMinor version */ |
| outl(cpu_to_le32(0x1FD), ha->io_addr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| subminor = inb(ha->io_addr + IPS_REG_FLDP); |
| |
| } |
| } else { |
| /* Morpheus Family - Send Command to the card */ |
| |
| buffer = ha->ioctl_data; |
| |
| memset(buffer, 0, 0x1000); |
| |
| scb = &ha->scbs[ha->max_cmds - 1]; |
| |
| ips_init_scb(ha, scb); |
| |
| scb->timeout = ips_cmd_timeout; |
| scb->cdb[0] = IPS_CMD_RW_BIOSFW; |
| |
| scb->cmd.flashfw.op_code = IPS_CMD_RW_BIOSFW; |
| scb->cmd.flashfw.command_id = IPS_COMMAND_ID(ha, scb); |
| scb->cmd.flashfw.type = 1; |
| scb->cmd.flashfw.direction = 0; |
| scb->cmd.flashfw.count = cpu_to_le32(0x800); |
| scb->cmd.flashfw.total_packets = 1; |
| scb->cmd.flashfw.packet_num = 0; |
| scb->data_len = 0x1000; |
| scb->cmd.flashfw.buffer_addr = ha->ioctl_busaddr; |
| |
| /* issue the command */ |
| if (((ret = |
| ips_send_wait(ha, scb, ips_cmd_timeout, |
| intr)) == IPS_FAILURE) |
| || (ret == IPS_SUCCESS_IMM) |
| || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) { |
| /* Error occurred */ |
| |
| return; |
| } |
| |
| if ((buffer[0xC0] == 0x55) && (buffer[0xC1] == 0xAA)) { |
| major = buffer[0x1ff + 0xC0]; /* Offset 0x1ff after the header (0xc0) */ |
| minor = buffer[0x1fe + 0xC0]; /* Offset 0x1fe after the header (0xc0) */ |
| subminor = buffer[0x1fd + 0xC0]; /* Offset 0x1fd after the header (0xc0) */ |
| } else { |
| return; |
| } |
| } |
| |
| ha->bios_version[0] = hexDigits[(major & 0xF0) >> 4]; |
| ha->bios_version[1] = '.'; |
| ha->bios_version[2] = hexDigits[major & 0x0F]; |
| ha->bios_version[3] = hexDigits[subminor]; |
| ha->bios_version[4] = '.'; |
| ha->bios_version[5] = hexDigits[(minor & 0xF0) >> 4]; |
| ha->bios_version[6] = hexDigits[minor & 0x0F]; |
| ha->bios_version[7] = 0; |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_hainit */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Initialize the controller */ |
| /* */ |
| /* NOTE: Assumes to be called from with a lock */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_hainit(ips_ha_t * ha) |
| { |
| int i; |
| struct timeval tv; |
| |
| METHOD_TRACE("ips_hainit", 1); |
| |
| if (!ha) |
| return (0); |
| |
| if (ha->func.statinit) |
| (*ha->func.statinit) (ha); |
| |
| if (ha->func.enableint) |
| (*ha->func.enableint) (ha); |
| |
| /* Send FFDC */ |
| ha->reset_count = 1; |
| do_gettimeofday(&tv); |
| ha->last_ffdc = tv.tv_sec; |
| ips_ffdc_reset(ha, IPS_INTR_IORL); |
| |
| if (!ips_read_config(ha, IPS_INTR_IORL)) { |
| IPS_PRINTK(KERN_WARNING, ha->pcidev, |
| "unable to read config from controller.\n"); |
| |
| return (0); |
| } |
| /* end if */ |
| if (!ips_read_adapter_status(ha, IPS_INTR_IORL)) { |
| IPS_PRINTK(KERN_WARNING, ha->pcidev, |
| "unable to read controller status.\n"); |
| |
| return (0); |
| } |
| |
| /* Identify this controller */ |
| ips_identify_controller(ha); |
| |
| if (!ips_read_subsystem_parameters(ha, IPS_INTR_IORL)) { |
| IPS_PRINTK(KERN_WARNING, ha->pcidev, |
| "unable to read subsystem parameters.\n"); |
| |
| return (0); |
| } |
| |
| /* write nvram user page 5 */ |
| if (!ips_write_driver_status(ha, IPS_INTR_IORL)) { |
| IPS_PRINTK(KERN_WARNING, ha->pcidev, |
| "unable to write driver info to controller.\n"); |
| |
| return (0); |
| } |
| |
| /* If there are Logical Drives and a Reset Occurred, then an EraseStripeLock is Needed */ |
| if ((ha->conf->ucLogDriveCount > 0) && (ha->requires_esl == 1)) |
| ips_clear_adapter(ha, IPS_INTR_IORL); |
| |
| /* set limits on SID, LUN, BUS */ |
| ha->ntargets = IPS_MAX_TARGETS + 1; |
| ha->nlun = 1; |
| ha->nbus = (ha->enq->ucMaxPhysicalDevices / IPS_MAX_TARGETS) + 1; |
| |
| switch (ha->conf->logical_drive[0].ucStripeSize) { |
| case 4: |
| ha->max_xfer = 0x10000; |
| break; |
| |
| case 5: |
| ha->max_xfer = 0x20000; |
| break; |
| |
| case 6: |
| ha->max_xfer = 0x40000; |
| break; |
| |
| case 7: |
| default: |
| ha->max_xfer = 0x80000; |
| break; |
| } |
| |
| /* setup max concurrent commands */ |
| if (le32_to_cpu(ha->subsys->param[4]) & 0x1) { |
| /* Use the new method */ |
| ha->max_cmds = ha->enq->ucConcurrentCmdCount; |
| } else { |
| /* use the old method */ |
| switch (ha->conf->logical_drive[0].ucStripeSize) { |
| case 4: |
| ha->max_cmds = 32; |
| break; |
| |
| case 5: |
| ha->max_cmds = 16; |
| break; |
| |
| case 6: |
| ha->max_cmds = 8; |
| break; |
| |
| case 7: |
| default: |
| ha->max_cmds = 4; |
| break; |
| } |
| } |
| |
| /* Limit the Active Commands on a Lite Adapter */ |
| if ((ha->ad_type == IPS_ADTYPE_SERVERAID3L) || |
| (ha->ad_type == IPS_ADTYPE_SERVERAID4L) || |
| (ha->ad_type == IPS_ADTYPE_SERVERAID4LX)) { |
| if ((ha->max_cmds > MaxLiteCmds) && (MaxLiteCmds)) |
| ha->max_cmds = MaxLiteCmds; |
| } |
| |
| /* set controller IDs */ |
| ha->ha_id[0] = IPS_ADAPTER_ID; |
| for (i = 1; i < ha->nbus; i++) { |
| ha->ha_id[i] = ha->conf->init_id[i - 1] & 0x1f; |
| ha->dcdb_active[i - 1] = 0; |
| } |
| |
| return (1); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_next */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Take the next command off the queue and send it to the controller */ |
| /* */ |
| /****************************************************************************/ |
| static void |
| ips_next(ips_ha_t * ha, int intr) |
| { |
| ips_scb_t *scb; |
| Scsi_Cmnd *SC; |
| Scsi_Cmnd *p; |
| Scsi_Cmnd *q; |
| ips_copp_wait_item_t *item; |
| int ret; |
| unsigned long cpu_flags = 0; |
| struct Scsi_Host *host; |
| METHOD_TRACE("ips_next", 1); |
| |
| if (!ha) |
| return; |
| host = ips_sh[ha->host_num]; |
| /* |
| * Block access to the queue function so |
| * this command won't time out |
| */ |
| if (intr == IPS_INTR_ON) |
| IPS_LOCK_SAVE(host->host_lock, cpu_flags); |
| |
| if ((ha->subsys->param[3] & 0x300000) |
| && (ha->scb_activelist.count == 0)) { |
| struct timeval tv; |
| |
| do_gettimeofday(&tv); |
| |
| if (tv.tv_sec - ha->last_ffdc > IPS_SECS_8HOURS) { |
| ha->last_ffdc = tv.tv_sec; |
| ips_ffdc_time(ha); |
| } |
| } |
| |
| /* |
| * Send passthru commands |
| * These have priority over normal I/O |
| * but shouldn't affect performance too much |
| * since we limit the number that can be active |
| * on the card at any one time |
| */ |
| while ((ha->num_ioctl < IPS_MAX_IOCTL) && |
| (ha->copp_waitlist.head) && (scb = ips_getscb(ha))) { |
| |
| item = ips_removeq_copp_head(&ha->copp_waitlist); |
| ha->num_ioctl++; |
| if (intr == IPS_INTR_ON) |
| IPS_UNLOCK_RESTORE(host->host_lock, cpu_flags); |
| scb->scsi_cmd = item->scsi_cmd; |
| kfree(item); |
| |
| ret = ips_make_passthru(ha, scb->scsi_cmd, scb, intr); |
| |
| if (intr == IPS_INTR_ON) |
| IPS_LOCK_SAVE(host->host_lock, cpu_flags); |
| switch (ret) { |
| case IPS_FAILURE: |
| if (scb->scsi_cmd) { |
| scb->scsi_cmd->result = DID_ERROR << 16; |
| scb->scsi_cmd->scsi_done(scb->scsi_cmd); |
| } |
| |
| ips_freescb(ha, scb); |
| break; |
| case IPS_SUCCESS_IMM: |
| if (scb->scsi_cmd) { |
| scb->scsi_cmd->result = DID_OK << 16; |
| scb->scsi_cmd->scsi_done(scb->scsi_cmd); |
| } |
| |
| ips_freescb(ha, scb); |
| break; |
| default: |
| break; |
| } /* end case */ |
| |
| if (ret != IPS_SUCCESS) { |
| ha->num_ioctl--; |
| continue; |
| } |
| |
| ret = ips_send_cmd(ha, scb); |
| |
| if (ret == IPS_SUCCESS) |
| ips_putq_scb_head(&ha->scb_activelist, scb); |
| else |
| ha->num_ioctl--; |
| |
| switch (ret) { |
| case IPS_FAILURE: |
| if (scb->scsi_cmd) { |
| scb->scsi_cmd->result = DID_ERROR << 16; |
| } |
| |
| ips_freescb(ha, scb); |
| break; |
| case IPS_SUCCESS_IMM: |
| ips_freescb(ha, scb); |
| break; |
| default: |
| break; |
| } /* end case */ |
| |
| } |
| |
| /* |
| * Send "Normal" I/O commands |
| */ |
| |
| p = ha->scb_waitlist.head; |
| while ((p) && (scb = ips_getscb(ha))) { |
| if ((scmd_channel(p) > 0) |
| && (ha-> |
| dcdb_active[scmd_channel(p) - |
| 1] & (1 << scmd_id(p)))) { |
| ips_freescb(ha, scb); |
| p = (Scsi_Cmnd *) p->host_scribble; |
| continue; |
| } |
| |
| q = p; |
| SC = ips_removeq_wait(&ha->scb_waitlist, q); |
| |
| if (intr == IPS_INTR_ON) |
| IPS_UNLOCK_RESTORE(host->host_lock, cpu_flags); /* Unlock HA after command is taken off queue */ |
| |
| SC->result = DID_OK; |
| SC->host_scribble = NULL; |
| |
| memset(SC->sense_buffer, 0, sizeof (SC->sense_buffer)); |
| |
| scb->target_id = SC->device->id; |
| scb->lun = SC->device->lun; |
| scb->bus = SC->device->channel; |
| scb->scsi_cmd = SC; |
| scb->breakup = 0; |
| scb->data_len = 0; |
| scb->callback = ipsintr_done; |
| scb->timeout = ips_cmd_timeout; |
| memset(&scb->cmd, 0, 16); |
| |
| /* copy in the CDB */ |
| memcpy(scb->cdb, SC->cmnd, SC->cmd_len); |
| |
| /* Now handle the data buffer */ |
| if (SC->use_sg) { |
| struct scatterlist *sg; |
| int i; |
| |
| sg = SC->request_buffer; |
| scb->sg_count = pci_map_sg(ha->pcidev, sg, SC->use_sg, |
| SC->sc_data_direction); |
| scb->flags |= IPS_SCB_MAP_SG; |
| for (i = 0; i < scb->sg_count; i++) { |
| if (ips_fill_scb_sg_single |
| (ha, sg_dma_address(&sg[i]), scb, i, |
| sg_dma_len(&sg[i])) < 0) |
| break; |
| } |
| scb->dcdb.transfer_length = scb->data_len; |
| } else { |
| if (SC->request_bufflen) { |
| scb->data_busaddr = |
| pci_map_single(ha->pcidev, |
| SC->request_buffer, |
| SC->request_bufflen, |
| SC->sc_data_direction); |
| scb->flags |= IPS_SCB_MAP_SINGLE; |
| ips_fill_scb_sg_single(ha, scb->data_busaddr, |
| scb, 0, |
| SC->request_bufflen); |
| scb->dcdb.transfer_length = scb->data_len; |
| } else { |
| scb->data_busaddr = 0L; |
| scb->sg_len = 0; |
| scb->data_len = 0; |
| scb->dcdb.transfer_length = 0; |
| } |
| |
| } |
| |
| scb->dcdb.cmd_attribute = |
| ips_command_direction[scb->scsi_cmd->cmnd[0]]; |
| |
| /* Allow a WRITE BUFFER Command to Have no Data */ |
| /* This is Used by Tape Flash Utilites */ |
| if ((scb->scsi_cmd->cmnd[0] == WRITE_BUFFER) && (scb->data_len == 0)) |
| scb->dcdb.cmd_attribute = 0; |
| |
| if (!(scb->dcdb.cmd_attribute & 0x3)) |
| scb->dcdb.transfer_length = 0; |
| |
| if (scb->data_len >= IPS_MAX_XFER) { |
| scb->dcdb.cmd_attribute |= IPS_TRANSFER64K; |
| scb->dcdb.transfer_length = 0; |
| } |
| if (intr == IPS_INTR_ON) |
| IPS_LOCK_SAVE(host->host_lock, cpu_flags); |
| |
| ret = ips_send_cmd(ha, scb); |
| |
| switch (ret) { |
| case IPS_SUCCESS: |
| ips_putq_scb_head(&ha->scb_activelist, scb); |
| break; |
| case IPS_FAILURE: |
| if (scb->scsi_cmd) { |
| scb->scsi_cmd->result = DID_ERROR << 16; |
| scb->scsi_cmd->scsi_done(scb->scsi_cmd); |
| } |
| |
| if (scb->bus) |
| ha->dcdb_active[scb->bus - 1] &= |
| ~(1 << scb->target_id); |
| |
| ips_freescb(ha, scb); |
| break; |
| case IPS_SUCCESS_IMM: |
| if (scb->scsi_cmd) |
| scb->scsi_cmd->scsi_done(scb->scsi_cmd); |
| |
| if (scb->bus) |
| ha->dcdb_active[scb->bus - 1] &= |
| ~(1 << scb->target_id); |
| |
| ips_freescb(ha, scb); |
| break; |
|