11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds * linux/drivers/message/fusion/mptctl.c 3b6fe4ddcSMoore, Eric Dean * mpt Ioctl driver. 4b6fe4ddcSMoore, Eric Dean * For use with LSI Logic PCI chip/adapters 51da177e4SLinus Torvalds * running LSI Logic Fusion MPT (Message Passing Technology) firmware. 61da177e4SLinus Torvalds * 7b6fe4ddcSMoore, Eric Dean * Copyright (c) 1999-2005 LSI Logic Corporation 81da177e4SLinus Torvalds * (mailto:mpt_linux_developer@lsil.com) 91da177e4SLinus Torvalds * 101da177e4SLinus Torvalds */ 111da177e4SLinus Torvalds /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 121da177e4SLinus Torvalds /* 131da177e4SLinus Torvalds This program is free software; you can redistribute it and/or modify 141da177e4SLinus Torvalds it under the terms of the GNU General Public License as published by 151da177e4SLinus Torvalds the Free Software Foundation; version 2 of the License. 161da177e4SLinus Torvalds 171da177e4SLinus Torvalds This program is distributed in the hope that it will be useful, 181da177e4SLinus Torvalds but WITHOUT ANY WARRANTY; without even the implied warranty of 191da177e4SLinus Torvalds MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 201da177e4SLinus Torvalds GNU General Public License for more details. 211da177e4SLinus Torvalds 221da177e4SLinus Torvalds NO WARRANTY 231da177e4SLinus Torvalds THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR 241da177e4SLinus Torvalds CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT 251da177e4SLinus Torvalds LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, 261da177e4SLinus Torvalds MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is 271da177e4SLinus Torvalds solely responsible for determining the appropriateness of using and 281da177e4SLinus Torvalds distributing the Program and assumes all risks associated with its 291da177e4SLinus Torvalds exercise of rights under this Agreement, including but not limited to 301da177e4SLinus Torvalds the risks and costs of program errors, damage to or loss of data, 311da177e4SLinus Torvalds programs or equipment, and unavailability or interruption of operations. 321da177e4SLinus Torvalds 331da177e4SLinus Torvalds DISCLAIMER OF LIABILITY 341da177e4SLinus Torvalds NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY 351da177e4SLinus Torvalds DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 361da177e4SLinus Torvalds DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND 371da177e4SLinus Torvalds ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 381da177e4SLinus Torvalds TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 391da177e4SLinus Torvalds USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED 401da177e4SLinus Torvalds HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES 411da177e4SLinus Torvalds 421da177e4SLinus Torvalds You should have received a copy of the GNU General Public License 431da177e4SLinus Torvalds along with this program; if not, write to the Free Software 441da177e4SLinus Torvalds Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 451da177e4SLinus Torvalds */ 461da177e4SLinus Torvalds /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 471da177e4SLinus Torvalds 481da177e4SLinus Torvalds #include <linux/kernel.h> 491da177e4SLinus Torvalds #include <linux/module.h> 501da177e4SLinus Torvalds #include <linux/errno.h> 511da177e4SLinus Torvalds #include <linux/init.h> 521da177e4SLinus Torvalds #include <linux/slab.h> 531da177e4SLinus Torvalds #include <linux/types.h> 541da177e4SLinus Torvalds #include <linux/pci.h> 551da177e4SLinus Torvalds #include <linux/delay.h> /* for mdelay */ 561da177e4SLinus Torvalds #include <linux/miscdevice.h> 571da177e4SLinus Torvalds #include <linux/smp_lock.h> 581da177e4SLinus Torvalds #include <linux/compat.h> 591da177e4SLinus Torvalds 601da177e4SLinus Torvalds #include <asm/io.h> 611da177e4SLinus Torvalds #include <asm/uaccess.h> 621da177e4SLinus Torvalds 631da177e4SLinus Torvalds #include <scsi/scsi.h> 641da177e4SLinus Torvalds #include <scsi/scsi_cmnd.h> 651da177e4SLinus Torvalds #include <scsi/scsi_device.h> 661da177e4SLinus Torvalds #include <scsi/scsi_host.h> 671da177e4SLinus Torvalds #include <scsi/scsi_tcq.h> 681da177e4SLinus Torvalds 69b6fe4ddcSMoore, Eric Dean #define COPYRIGHT "Copyright (c) 1999-2005 LSI Logic Corporation" 70b6fe4ddcSMoore, Eric Dean #define MODULEAUTHOR "LSI Logic Corporation" 711da177e4SLinus Torvalds #include "mptbase.h" 721da177e4SLinus Torvalds #include "mptctl.h" 731da177e4SLinus Torvalds 741da177e4SLinus Torvalds /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 751da177e4SLinus Torvalds #define my_NAME "Fusion MPT misc device (ioctl) driver" 761da177e4SLinus Torvalds #define my_VERSION MPT_LINUX_VERSION_COMMON 771da177e4SLinus Torvalds #define MYNAM "mptctl" 781da177e4SLinus Torvalds 791da177e4SLinus Torvalds MODULE_AUTHOR(MODULEAUTHOR); 801da177e4SLinus Torvalds MODULE_DESCRIPTION(my_NAME); 811da177e4SLinus Torvalds MODULE_LICENSE("GPL"); 821da177e4SLinus Torvalds 831da177e4SLinus Torvalds /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 841da177e4SLinus Torvalds 851da177e4SLinus Torvalds static int mptctl_id = -1; 861da177e4SLinus Torvalds 871da177e4SLinus Torvalds static DECLARE_WAIT_QUEUE_HEAD ( mptctl_wait ); 881da177e4SLinus Torvalds 891da177e4SLinus Torvalds /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 901da177e4SLinus Torvalds 911da177e4SLinus Torvalds struct buflist { 921da177e4SLinus Torvalds u8 *kptr; 931da177e4SLinus Torvalds int len; 941da177e4SLinus Torvalds }; 951da177e4SLinus Torvalds 961da177e4SLinus Torvalds /* 971da177e4SLinus Torvalds * Function prototypes. Called from OS entry point mptctl_ioctl. 981da177e4SLinus Torvalds * arg contents specific to function. 991da177e4SLinus Torvalds */ 1001da177e4SLinus Torvalds static int mptctl_fw_download(unsigned long arg); 1011da177e4SLinus Torvalds static int mptctl_getiocinfo(unsigned long arg, unsigned int cmd); 1021da177e4SLinus Torvalds static int mptctl_gettargetinfo(unsigned long arg); 1031da177e4SLinus Torvalds static int mptctl_readtest(unsigned long arg); 1041da177e4SLinus Torvalds static int mptctl_mpt_command(unsigned long arg); 1051da177e4SLinus Torvalds static int mptctl_eventquery(unsigned long arg); 1061da177e4SLinus Torvalds static int mptctl_eventenable(unsigned long arg); 1071da177e4SLinus Torvalds static int mptctl_eventreport(unsigned long arg); 1081da177e4SLinus Torvalds static int mptctl_replace_fw(unsigned long arg); 1091da177e4SLinus Torvalds 1101da177e4SLinus Torvalds static int mptctl_do_reset(unsigned long arg); 1111da177e4SLinus Torvalds static int mptctl_hp_hostinfo(unsigned long arg, unsigned int cmd); 1121da177e4SLinus Torvalds static int mptctl_hp_targetinfo(unsigned long arg); 1131da177e4SLinus Torvalds 1141da177e4SLinus Torvalds static int mptctl_probe(struct pci_dev *, const struct pci_device_id *); 1151da177e4SLinus Torvalds static void mptctl_remove(struct pci_dev *); 1161da177e4SLinus Torvalds 1171da177e4SLinus Torvalds #ifdef CONFIG_COMPAT 1181da177e4SLinus Torvalds static long compat_mpctl_ioctl(struct file *f, unsigned cmd, unsigned long arg); 1191da177e4SLinus Torvalds #endif 1201da177e4SLinus Torvalds /* 1211da177e4SLinus Torvalds * Private function calls. 1221da177e4SLinus Torvalds */ 1231da177e4SLinus Torvalds static int mptctl_do_mpt_command(struct mpt_ioctl_command karg, void __user *mfPtr); 1241da177e4SLinus Torvalds static int mptctl_do_fw_download(int ioc, char __user *ufwbuf, size_t fwlen); 1251da177e4SLinus Torvalds static MptSge_t *kbuf_alloc_2_sgl(int bytes, u32 dir, int sge_offset, int *frags, 1261da177e4SLinus Torvalds struct buflist **blp, dma_addr_t *sglbuf_dma, MPT_ADAPTER *ioc); 1271da177e4SLinus Torvalds static void kfree_sgl(MptSge_t *sgl, dma_addr_t sgl_dma, 1281da177e4SLinus Torvalds struct buflist *buflist, MPT_ADAPTER *ioc); 1291da177e4SLinus Torvalds static void mptctl_timeout_expired (MPT_IOCTL *ioctl); 1301da177e4SLinus Torvalds static int mptctl_bus_reset(MPT_IOCTL *ioctl); 1311da177e4SLinus Torvalds static int mptctl_set_tm_flags(MPT_SCSI_HOST *hd); 1321da177e4SLinus Torvalds static void mptctl_free_tm_flags(MPT_ADAPTER *ioc); 1331da177e4SLinus Torvalds 1341da177e4SLinus Torvalds /* 1351da177e4SLinus Torvalds * Reset Handler cleanup function 1361da177e4SLinus Torvalds */ 1371da177e4SLinus Torvalds static int mptctl_ioc_reset(MPT_ADAPTER *ioc, int reset_phase); 1381da177e4SLinus Torvalds 1391da177e4SLinus Torvalds /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1401da177e4SLinus Torvalds /* 1411da177e4SLinus Torvalds * Scatter gather list (SGL) sizes and limits... 1421da177e4SLinus Torvalds */ 1431da177e4SLinus Torvalds //#define MAX_SCSI_FRAGS 9 1441da177e4SLinus Torvalds #define MAX_FRAGS_SPILL1 9 1451da177e4SLinus Torvalds #define MAX_FRAGS_SPILL2 15 1461da177e4SLinus Torvalds #define FRAGS_PER_BUCKET (MAX_FRAGS_SPILL2 + 1) 1471da177e4SLinus Torvalds 1481da177e4SLinus Torvalds //#define MAX_CHAIN_FRAGS 64 1491da177e4SLinus Torvalds //#define MAX_CHAIN_FRAGS (15+15+15+16) 1501da177e4SLinus Torvalds #define MAX_CHAIN_FRAGS (4 * MAX_FRAGS_SPILL2 + 1) 1511da177e4SLinus Torvalds 1521da177e4SLinus Torvalds // Define max sg LIST bytes ( == (#frags + #chains) * 8 bytes each) 1531da177e4SLinus Torvalds // Works out to: 592d bytes! (9+1)*8 + 4*(15+1)*8 1541da177e4SLinus Torvalds // ^----------------- 80 + 512 1551da177e4SLinus Torvalds #define MAX_SGL_BYTES ((MAX_FRAGS_SPILL1 + 1 + (4 * FRAGS_PER_BUCKET)) * 8) 1561da177e4SLinus Torvalds 1571da177e4SLinus Torvalds /* linux only seems to ever give 128kB MAX contiguous (GFP_USER) mem bytes */ 1581da177e4SLinus Torvalds #define MAX_KMALLOC_SZ (128*1024) 1591da177e4SLinus Torvalds 1601da177e4SLinus Torvalds #define MPT_IOCTL_DEFAULT_TIMEOUT 10 /* Default timeout value (seconds) */ 1611da177e4SLinus Torvalds 1621da177e4SLinus Torvalds /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1631da177e4SLinus Torvalds /** 1641da177e4SLinus Torvalds * mptctl_syscall_down - Down the MPT adapter syscall semaphore. 1651da177e4SLinus Torvalds * @ioc: Pointer to MPT adapter 1661da177e4SLinus Torvalds * @nonblock: boolean, non-zero if O_NONBLOCK is set 1671da177e4SLinus Torvalds * 1681da177e4SLinus Torvalds * All of the ioctl commands can potentially sleep, which is illegal 1691da177e4SLinus Torvalds * with a spinlock held, thus we perform mutual exclusion here. 1701da177e4SLinus Torvalds * 1711da177e4SLinus Torvalds * Returns negative errno on error, or zero for success. 1721da177e4SLinus Torvalds */ 1731da177e4SLinus Torvalds static inline int 1741da177e4SLinus Torvalds mptctl_syscall_down(MPT_ADAPTER *ioc, int nonblock) 1751da177e4SLinus Torvalds { 1761da177e4SLinus Torvalds int rc = 0; 1771da177e4SLinus Torvalds dctlprintk((KERN_INFO MYNAM "::mptctl_syscall_down(%p,%d) called\n", ioc, nonblock)); 1781da177e4SLinus Torvalds 1791da177e4SLinus Torvalds if (nonblock) { 1801da177e4SLinus Torvalds if (down_trylock(&ioc->ioctl->sem_ioc)) 1811da177e4SLinus Torvalds rc = -EAGAIN; 1821da177e4SLinus Torvalds } else { 1831da177e4SLinus Torvalds if (down_interruptible(&ioc->ioctl->sem_ioc)) 1841da177e4SLinus Torvalds rc = -ERESTARTSYS; 1851da177e4SLinus Torvalds } 1861da177e4SLinus Torvalds dctlprintk((KERN_INFO MYNAM "::mptctl_syscall_down return %d\n", rc)); 1871da177e4SLinus Torvalds return rc; 1881da177e4SLinus Torvalds } 1891da177e4SLinus Torvalds 1901da177e4SLinus Torvalds /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1911da177e4SLinus Torvalds /* 1921da177e4SLinus Torvalds * This is the callback for any message we have posted. The message itself 1931da177e4SLinus Torvalds * will be returned to the message pool when we return from the IRQ 1941da177e4SLinus Torvalds * 1951da177e4SLinus Torvalds * This runs in irq context so be short and sweet. 1961da177e4SLinus Torvalds */ 1971da177e4SLinus Torvalds static int 1981da177e4SLinus Torvalds mptctl_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply) 1991da177e4SLinus Torvalds { 2001da177e4SLinus Torvalds char *sense_data; 2011da177e4SLinus Torvalds int sz, req_index; 2021da177e4SLinus Torvalds u16 iocStatus; 2031da177e4SLinus Torvalds u8 cmd; 2041da177e4SLinus Torvalds 2051da177e4SLinus Torvalds dctlprintk(("mptctl_reply()!\n")); 2061da177e4SLinus Torvalds if (req) 2071da177e4SLinus Torvalds cmd = req->u.hdr.Function; 2081da177e4SLinus Torvalds else 2091da177e4SLinus Torvalds return 1; 2101da177e4SLinus Torvalds 2111da177e4SLinus Torvalds if (ioc->ioctl) { 2121da177e4SLinus Torvalds 2131da177e4SLinus Torvalds if (reply==NULL) { 2141da177e4SLinus Torvalds 2151da177e4SLinus Torvalds dctlprintk(("mptctl_reply() NULL Reply " 2161da177e4SLinus Torvalds "Function=%x!\n", cmd)); 2171da177e4SLinus Torvalds 2181da177e4SLinus Torvalds ioc->ioctl->status |= MPT_IOCTL_STATUS_COMMAND_GOOD; 2191da177e4SLinus Torvalds ioc->ioctl->reset &= ~MPTCTL_RESET_OK; 2201da177e4SLinus Torvalds 2211da177e4SLinus Torvalds /* We are done, issue wake up 2221da177e4SLinus Torvalds */ 2231da177e4SLinus Torvalds ioc->ioctl->wait_done = 1; 2241da177e4SLinus Torvalds wake_up (&mptctl_wait); 2251da177e4SLinus Torvalds return 1; 2261da177e4SLinus Torvalds 2271da177e4SLinus Torvalds } 2281da177e4SLinus Torvalds 2291da177e4SLinus Torvalds dctlprintk(("mptctl_reply() with req=%p " 2301da177e4SLinus Torvalds "reply=%p Function=%x!\n", req, reply, cmd)); 2311da177e4SLinus Torvalds 2321da177e4SLinus Torvalds /* Copy the reply frame (which much exist 2331da177e4SLinus Torvalds * for non-SCSI I/O) to the IOC structure. 2341da177e4SLinus Torvalds */ 2351da177e4SLinus Torvalds dctlprintk(("Copying Reply Frame @%p to ioc%d!\n", 2361da177e4SLinus Torvalds reply, ioc->id)); 2371da177e4SLinus Torvalds memcpy(ioc->ioctl->ReplyFrame, reply, 2381da177e4SLinus Torvalds min(ioc->reply_sz, 4*reply->u.reply.MsgLength)); 2391da177e4SLinus Torvalds ioc->ioctl->status |= MPT_IOCTL_STATUS_RF_VALID; 2401da177e4SLinus Torvalds 2411da177e4SLinus Torvalds /* Set the command status to GOOD if IOC Status is GOOD 2421da177e4SLinus Torvalds * OR if SCSI I/O cmd and data underrun or recovered error. 2431da177e4SLinus Torvalds */ 244637fa99bSChristoph Hellwig iocStatus = le16_to_cpu(reply->u.reply.IOCStatus) & MPI_IOCSTATUS_MASK; 2451da177e4SLinus Torvalds if (iocStatus == MPI_IOCSTATUS_SUCCESS) 2461da177e4SLinus Torvalds ioc->ioctl->status |= MPT_IOCTL_STATUS_COMMAND_GOOD; 2471da177e4SLinus Torvalds 2481da177e4SLinus Torvalds if ((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) || 2491da177e4SLinus Torvalds (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) { 2501da177e4SLinus Torvalds ioc->ioctl->reset &= ~MPTCTL_RESET_OK; 2511da177e4SLinus Torvalds 2521da177e4SLinus Torvalds if ((iocStatus == MPI_IOCSTATUS_SCSI_DATA_UNDERRUN) || 2531da177e4SLinus Torvalds (iocStatus == MPI_IOCSTATUS_SCSI_RECOVERED_ERROR)) { 2541da177e4SLinus Torvalds ioc->ioctl->status |= MPT_IOCTL_STATUS_COMMAND_GOOD; 2551da177e4SLinus Torvalds } 2561da177e4SLinus Torvalds } 2571da177e4SLinus Torvalds 2581da177e4SLinus Torvalds /* Copy the sense data - if present 2591da177e4SLinus Torvalds */ 2601da177e4SLinus Torvalds if ((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) && 2611da177e4SLinus Torvalds (reply->u.sreply.SCSIState & 2621da177e4SLinus Torvalds MPI_SCSI_STATE_AUTOSENSE_VALID)){ 2631da177e4SLinus Torvalds sz = req->u.scsireq.SenseBufferLength; 2641da177e4SLinus Torvalds req_index = 2651da177e4SLinus Torvalds le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx); 2661da177e4SLinus Torvalds sense_data = 2671da177e4SLinus Torvalds ((u8 *)ioc->sense_buf_pool + 2681da177e4SLinus Torvalds (req_index * MPT_SENSE_BUFFER_ALLOC)); 2691da177e4SLinus Torvalds memcpy(ioc->ioctl->sense, sense_data, sz); 2701da177e4SLinus Torvalds ioc->ioctl->status |= MPT_IOCTL_STATUS_SENSE_VALID; 2711da177e4SLinus Torvalds } 2721da177e4SLinus Torvalds 2731da177e4SLinus Torvalds if (cmd == MPI_FUNCTION_SCSI_TASK_MGMT) 2741da177e4SLinus Torvalds mptctl_free_tm_flags(ioc); 2751da177e4SLinus Torvalds 2761da177e4SLinus Torvalds /* We are done, issue wake up 2771da177e4SLinus Torvalds */ 2781da177e4SLinus Torvalds ioc->ioctl->wait_done = 1; 2791da177e4SLinus Torvalds wake_up (&mptctl_wait); 2801da177e4SLinus Torvalds } 2811da177e4SLinus Torvalds return 1; 2821da177e4SLinus Torvalds } 2831da177e4SLinus Torvalds 2841da177e4SLinus Torvalds /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2851da177e4SLinus Torvalds /* mptctl_timeout_expired 2861da177e4SLinus Torvalds * 2871da177e4SLinus Torvalds * Expecting an interrupt, however timed out. 2881da177e4SLinus Torvalds * 2891da177e4SLinus Torvalds */ 2901da177e4SLinus Torvalds static void mptctl_timeout_expired (MPT_IOCTL *ioctl) 2911da177e4SLinus Torvalds { 2921da177e4SLinus Torvalds int rc = 1; 2931da177e4SLinus Torvalds 2941da177e4SLinus Torvalds dctlprintk((KERN_NOTICE MYNAM ": Timeout Expired! Host %d\n", 2951da177e4SLinus Torvalds ioctl->ioc->id)); 2961da177e4SLinus Torvalds if (ioctl == NULL) 2971da177e4SLinus Torvalds return; 2981da177e4SLinus Torvalds 2991da177e4SLinus Torvalds ioctl->wait_done = 0; 3001da177e4SLinus Torvalds if (ioctl->reset & MPTCTL_RESET_OK) 3011da177e4SLinus Torvalds rc = mptctl_bus_reset(ioctl); 3021da177e4SLinus Torvalds 3031da177e4SLinus Torvalds if (rc) { 3041da177e4SLinus Torvalds /* Issue a reset for this device. 3051da177e4SLinus Torvalds * The IOC is not responding. 3061da177e4SLinus Torvalds */ 3071da177e4SLinus Torvalds dctlprintk((MYIOC_s_INFO_FMT "Calling HardReset! \n", 3081da177e4SLinus Torvalds ioctl->ioc->name)); 3091da177e4SLinus Torvalds mpt_HardResetHandler(ioctl->ioc, NO_SLEEP); 3101da177e4SLinus Torvalds } 3111da177e4SLinus Torvalds return; 3121da177e4SLinus Torvalds 3131da177e4SLinus Torvalds } 3141da177e4SLinus Torvalds 3151da177e4SLinus Torvalds /* mptctl_bus_reset 3161da177e4SLinus Torvalds * 3171da177e4SLinus Torvalds * Bus reset code. 3181da177e4SLinus Torvalds * 3191da177e4SLinus Torvalds */ 3201da177e4SLinus Torvalds static int mptctl_bus_reset(MPT_IOCTL *ioctl) 3211da177e4SLinus Torvalds { 3221da177e4SLinus Torvalds MPT_FRAME_HDR *mf; 3231da177e4SLinus Torvalds SCSITaskMgmt_t *pScsiTm; 3241da177e4SLinus Torvalds MPT_SCSI_HOST *hd; 3251da177e4SLinus Torvalds int ii; 3261da177e4SLinus Torvalds int retval; 3271da177e4SLinus Torvalds 3281da177e4SLinus Torvalds 3291da177e4SLinus Torvalds ioctl->reset &= ~MPTCTL_RESET_OK; 3301da177e4SLinus Torvalds 3311da177e4SLinus Torvalds if (ioctl->ioc->sh == NULL) 3321da177e4SLinus Torvalds return -EPERM; 3331da177e4SLinus Torvalds 3341da177e4SLinus Torvalds hd = (MPT_SCSI_HOST *) ioctl->ioc->sh->hostdata; 3351da177e4SLinus Torvalds if (hd == NULL) 3361da177e4SLinus Torvalds return -EPERM; 3371da177e4SLinus Torvalds 3381da177e4SLinus Torvalds /* Single threading .... 3391da177e4SLinus Torvalds */ 3401da177e4SLinus Torvalds if (mptctl_set_tm_flags(hd) != 0) 3411da177e4SLinus Torvalds return -EPERM; 3421da177e4SLinus Torvalds 3431da177e4SLinus Torvalds /* Send request 3441da177e4SLinus Torvalds */ 3451da177e4SLinus Torvalds if ((mf = mpt_get_msg_frame(mptctl_id, ioctl->ioc)) == NULL) { 3461da177e4SLinus Torvalds dctlprintk((MYIOC_s_WARN_FMT "IssueTaskMgmt, no msg frames!!\n", 3471da177e4SLinus Torvalds ioctl->ioc->name)); 3481da177e4SLinus Torvalds 3491da177e4SLinus Torvalds mptctl_free_tm_flags(ioctl->ioc); 3501da177e4SLinus Torvalds return -ENOMEM; 3511da177e4SLinus Torvalds } 3521da177e4SLinus Torvalds 3531da177e4SLinus Torvalds dtmprintk((MYIOC_s_INFO_FMT "IssueTaskMgmt request @ %p\n", 3541da177e4SLinus Torvalds ioctl->ioc->name, mf)); 3551da177e4SLinus Torvalds 3561da177e4SLinus Torvalds pScsiTm = (SCSITaskMgmt_t *) mf; 3571da177e4SLinus Torvalds pScsiTm->TargetID = ioctl->target; 3581da177e4SLinus Torvalds pScsiTm->Bus = hd->port; /* 0 */ 3591da177e4SLinus Torvalds pScsiTm->ChainOffset = 0; 3601da177e4SLinus Torvalds pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT; 3611da177e4SLinus Torvalds pScsiTm->Reserved = 0; 3621da177e4SLinus Torvalds pScsiTm->TaskType = MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS; 3631da177e4SLinus Torvalds pScsiTm->Reserved1 = 0; 3641da177e4SLinus Torvalds pScsiTm->MsgFlags = MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION; 3651da177e4SLinus Torvalds 3661da177e4SLinus Torvalds for (ii= 0; ii < 8; ii++) 3671da177e4SLinus Torvalds pScsiTm->LUN[ii] = 0; 3681da177e4SLinus Torvalds 3691da177e4SLinus Torvalds for (ii=0; ii < 7; ii++) 3701da177e4SLinus Torvalds pScsiTm->Reserved2[ii] = 0; 3711da177e4SLinus Torvalds 3721da177e4SLinus Torvalds pScsiTm->TaskMsgContext = 0; 3731da177e4SLinus Torvalds dtmprintk((MYIOC_s_INFO_FMT 3741da177e4SLinus Torvalds "mptctl_bus_reset: issued.\n", ioctl->ioc->name)); 3751da177e4SLinus Torvalds 3761da177e4SLinus Torvalds DBG_DUMP_TM_REQUEST_FRAME((u32 *)mf); 3771da177e4SLinus Torvalds 3781da177e4SLinus Torvalds ioctl->wait_done=0; 3791da177e4SLinus Torvalds if ((retval = mpt_send_handshake_request(mptctl_id, ioctl->ioc, 3801da177e4SLinus Torvalds sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP)) != 0) { 3811da177e4SLinus Torvalds dfailprintk((MYIOC_s_ERR_FMT "_send_handshake FAILED!" 3821da177e4SLinus Torvalds " (hd %p, ioc %p, mf %p) \n", hd->ioc->name, hd, 3831da177e4SLinus Torvalds hd->ioc, mf)); 3841da177e4SLinus Torvalds goto mptctl_bus_reset_done; 3851da177e4SLinus Torvalds } 3861da177e4SLinus Torvalds 3871da177e4SLinus Torvalds /* Now wait for the command to complete */ 3881da177e4SLinus Torvalds ii = wait_event_interruptible_timeout(mptctl_wait, 3891da177e4SLinus Torvalds ioctl->wait_done == 1, 3901da177e4SLinus Torvalds HZ*5 /* 5 second timeout */); 3911da177e4SLinus Torvalds 3921da177e4SLinus Torvalds if(ii <=0 && (ioctl->wait_done != 1 )) { 3931da177e4SLinus Torvalds ioctl->wait_done = 0; 3941da177e4SLinus Torvalds retval = -1; /* return failure */ 3951da177e4SLinus Torvalds } 3961da177e4SLinus Torvalds 3971da177e4SLinus Torvalds mptctl_bus_reset_done: 3981da177e4SLinus Torvalds 3991da177e4SLinus Torvalds mpt_free_msg_frame(hd->ioc, mf); 4001da177e4SLinus Torvalds mptctl_free_tm_flags(ioctl->ioc); 4011da177e4SLinus Torvalds return retval; 4021da177e4SLinus Torvalds } 4031da177e4SLinus Torvalds 4041da177e4SLinus Torvalds static int 4051da177e4SLinus Torvalds mptctl_set_tm_flags(MPT_SCSI_HOST *hd) { 4061da177e4SLinus Torvalds unsigned long flags; 4071da177e4SLinus Torvalds 4081da177e4SLinus Torvalds spin_lock_irqsave(&hd->ioc->FreeQlock, flags); 4091da177e4SLinus Torvalds 4101da177e4SLinus Torvalds if (hd->tmState == TM_STATE_NONE) { 4111da177e4SLinus Torvalds hd->tmState = TM_STATE_IN_PROGRESS; 4121da177e4SLinus Torvalds hd->tmPending = 1; 4131da177e4SLinus Torvalds spin_unlock_irqrestore(&hd->ioc->FreeQlock, flags); 4141da177e4SLinus Torvalds } else { 4151da177e4SLinus Torvalds spin_unlock_irqrestore(&hd->ioc->FreeQlock, flags); 4161da177e4SLinus Torvalds return -EBUSY; 4171da177e4SLinus Torvalds } 4181da177e4SLinus Torvalds 4191da177e4SLinus Torvalds return 0; 4201da177e4SLinus Torvalds } 4211da177e4SLinus Torvalds 4221da177e4SLinus Torvalds static void 4231da177e4SLinus Torvalds mptctl_free_tm_flags(MPT_ADAPTER *ioc) 4241da177e4SLinus Torvalds { 4251da177e4SLinus Torvalds MPT_SCSI_HOST * hd; 4261da177e4SLinus Torvalds unsigned long flags; 4271da177e4SLinus Torvalds 4281da177e4SLinus Torvalds hd = (MPT_SCSI_HOST *) ioc->sh->hostdata; 4291da177e4SLinus Torvalds if (hd == NULL) 4301da177e4SLinus Torvalds return; 4311da177e4SLinus Torvalds 4321da177e4SLinus Torvalds spin_lock_irqsave(&ioc->FreeQlock, flags); 4331da177e4SLinus Torvalds 4341da177e4SLinus Torvalds hd->tmState = TM_STATE_NONE; 4351da177e4SLinus Torvalds hd->tmPending = 0; 4361da177e4SLinus Torvalds spin_unlock_irqrestore(&ioc->FreeQlock, flags); 4371da177e4SLinus Torvalds 4381da177e4SLinus Torvalds return; 4391da177e4SLinus Torvalds } 4401da177e4SLinus Torvalds 4411da177e4SLinus Torvalds /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 4421da177e4SLinus Torvalds /* mptctl_ioc_reset 4431da177e4SLinus Torvalds * 4441da177e4SLinus Torvalds * Clean-up functionality. Used only if there has been a 4451da177e4SLinus Torvalds * reload of the FW due. 4461da177e4SLinus Torvalds * 4471da177e4SLinus Torvalds */ 4481da177e4SLinus Torvalds static int 4491da177e4SLinus Torvalds mptctl_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) 4501da177e4SLinus Torvalds { 4511da177e4SLinus Torvalds MPT_IOCTL *ioctl = ioc->ioctl; 4521da177e4SLinus Torvalds dctlprintk((KERN_INFO MYNAM ": IOC %s_reset routed to IOCTL driver!\n", 4531da177e4SLinus Torvalds reset_phase==MPT_IOC_SETUP_RESET ? "setup" : ( 4541da177e4SLinus Torvalds reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post"))); 4551da177e4SLinus Torvalds 4561da177e4SLinus Torvalds if(ioctl == NULL) 4571da177e4SLinus Torvalds return 1; 4581da177e4SLinus Torvalds 4591da177e4SLinus Torvalds switch(reset_phase) { 4601da177e4SLinus Torvalds case MPT_IOC_SETUP_RESET: 4611da177e4SLinus Torvalds ioctl->status |= MPT_IOCTL_STATUS_DID_IOCRESET; 4621da177e4SLinus Torvalds break; 4631da177e4SLinus Torvalds case MPT_IOC_POST_RESET: 4641da177e4SLinus Torvalds ioctl->status &= ~MPT_IOCTL_STATUS_DID_IOCRESET; 4651da177e4SLinus Torvalds break; 4661da177e4SLinus Torvalds case MPT_IOC_PRE_RESET: 4671da177e4SLinus Torvalds default: 4681da177e4SLinus Torvalds break; 4691da177e4SLinus Torvalds } 4701da177e4SLinus Torvalds 4711da177e4SLinus Torvalds return 1; 4721da177e4SLinus Torvalds } 4731da177e4SLinus Torvalds 4741da177e4SLinus Torvalds /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 4751da177e4SLinus Torvalds /* 4761da177e4SLinus Torvalds * MPT ioctl handler 4771da177e4SLinus Torvalds * cmd - specify the particular IOCTL command to be issued 4781da177e4SLinus Torvalds * arg - data specific to the command. Must not be null. 4791da177e4SLinus Torvalds */ 4801da177e4SLinus Torvalds static long 4811da177e4SLinus Torvalds __mptctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg) 4821da177e4SLinus Torvalds { 4831da177e4SLinus Torvalds mpt_ioctl_header __user *uhdr = (void __user *) arg; 4841da177e4SLinus Torvalds mpt_ioctl_header khdr; 4851da177e4SLinus Torvalds int iocnum; 4861da177e4SLinus Torvalds unsigned iocnumX; 4871da177e4SLinus Torvalds int nonblock = (file->f_flags & O_NONBLOCK); 4881da177e4SLinus Torvalds int ret; 4891da177e4SLinus Torvalds MPT_ADAPTER *iocp = NULL; 4901da177e4SLinus Torvalds 4911da177e4SLinus Torvalds dctlprintk(("mptctl_ioctl() called\n")); 4921da177e4SLinus Torvalds 4931da177e4SLinus Torvalds if (copy_from_user(&khdr, uhdr, sizeof(khdr))) { 4941da177e4SLinus Torvalds printk(KERN_ERR "%s::mptctl_ioctl() @%d - " 4951da177e4SLinus Torvalds "Unable to copy mpt_ioctl_header data @ %p\n", 4961da177e4SLinus Torvalds __FILE__, __LINE__, uhdr); 4971da177e4SLinus Torvalds return -EFAULT; 4981da177e4SLinus Torvalds } 4991da177e4SLinus Torvalds ret = -ENXIO; /* (-6) No such device or address */ 5001da177e4SLinus Torvalds 5011da177e4SLinus Torvalds /* Verify intended MPT adapter - set iocnum and the adapter 5021da177e4SLinus Torvalds * pointer (iocp) 5031da177e4SLinus Torvalds */ 5041da177e4SLinus Torvalds iocnumX = khdr.iocnum & 0xFF; 5051da177e4SLinus Torvalds if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) || 5061da177e4SLinus Torvalds (iocp == NULL)) { 5071da177e4SLinus Torvalds dctlprintk((KERN_ERR "%s::mptctl_ioctl() @%d - ioc%d not found!\n", 5081da177e4SLinus Torvalds __FILE__, __LINE__, iocnumX)); 5091da177e4SLinus Torvalds return -ENODEV; 5101da177e4SLinus Torvalds } 5111da177e4SLinus Torvalds 5121da177e4SLinus Torvalds if (!iocp->active) { 5131da177e4SLinus Torvalds printk(KERN_ERR "%s::mptctl_ioctl() @%d - Controller disabled.\n", 5141da177e4SLinus Torvalds __FILE__, __LINE__); 5151da177e4SLinus Torvalds return -EFAULT; 5161da177e4SLinus Torvalds } 5171da177e4SLinus Torvalds 5181da177e4SLinus Torvalds /* Handle those commands that are just returning 5191da177e4SLinus Torvalds * information stored in the driver. 5201da177e4SLinus Torvalds * These commands should never time out and are unaffected 5211da177e4SLinus Torvalds * by TM and FW reloads. 5221da177e4SLinus Torvalds */ 5231da177e4SLinus Torvalds if ((cmd & ~IOCSIZE_MASK) == (MPTIOCINFO & ~IOCSIZE_MASK)) { 5241da177e4SLinus Torvalds return mptctl_getiocinfo(arg, _IOC_SIZE(cmd)); 5251da177e4SLinus Torvalds } else if (cmd == MPTTARGETINFO) { 5261da177e4SLinus Torvalds return mptctl_gettargetinfo(arg); 5271da177e4SLinus Torvalds } else if (cmd == MPTTEST) { 5281da177e4SLinus Torvalds return mptctl_readtest(arg); 5291da177e4SLinus Torvalds } else if (cmd == MPTEVENTQUERY) { 5301da177e4SLinus Torvalds return mptctl_eventquery(arg); 5311da177e4SLinus Torvalds } else if (cmd == MPTEVENTENABLE) { 5321da177e4SLinus Torvalds return mptctl_eventenable(arg); 5331da177e4SLinus Torvalds } else if (cmd == MPTEVENTREPORT) { 5341da177e4SLinus Torvalds return mptctl_eventreport(arg); 5351da177e4SLinus Torvalds } else if (cmd == MPTFWREPLACE) { 5361da177e4SLinus Torvalds return mptctl_replace_fw(arg); 5371da177e4SLinus Torvalds } 5381da177e4SLinus Torvalds 5391da177e4SLinus Torvalds /* All of these commands require an interrupt or 5401da177e4SLinus Torvalds * are unknown/illegal. 5411da177e4SLinus Torvalds */ 5421da177e4SLinus Torvalds if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0) 5431da177e4SLinus Torvalds return ret; 5441da177e4SLinus Torvalds 5451da177e4SLinus Torvalds dctlprintk((MYIOC_s_INFO_FMT ": mptctl_ioctl()\n", iocp->name)); 5461da177e4SLinus Torvalds 5471da177e4SLinus Torvalds if (cmd == MPTFWDOWNLOAD) 5481da177e4SLinus Torvalds ret = mptctl_fw_download(arg); 5491da177e4SLinus Torvalds else if (cmd == MPTCOMMAND) 5501da177e4SLinus Torvalds ret = mptctl_mpt_command(arg); 5511da177e4SLinus Torvalds else if (cmd == MPTHARDRESET) 5521da177e4SLinus Torvalds ret = mptctl_do_reset(arg); 5531da177e4SLinus Torvalds else if ((cmd & ~IOCSIZE_MASK) == (HP_GETHOSTINFO & ~IOCSIZE_MASK)) 5541da177e4SLinus Torvalds ret = mptctl_hp_hostinfo(arg, _IOC_SIZE(cmd)); 5551da177e4SLinus Torvalds else if (cmd == HP_GETTARGETINFO) 5561da177e4SLinus Torvalds ret = mptctl_hp_targetinfo(arg); 5571da177e4SLinus Torvalds else 5581da177e4SLinus Torvalds ret = -EINVAL; 5591da177e4SLinus Torvalds 5601da177e4SLinus Torvalds up(&iocp->ioctl->sem_ioc); 5611da177e4SLinus Torvalds 5621da177e4SLinus Torvalds return ret; 5631da177e4SLinus Torvalds } 5641da177e4SLinus Torvalds 5651da177e4SLinus Torvalds static long 5661da177e4SLinus Torvalds mptctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg) 5671da177e4SLinus Torvalds { 5681da177e4SLinus Torvalds long ret; 5691da177e4SLinus Torvalds lock_kernel(); 5701da177e4SLinus Torvalds ret = __mptctl_ioctl(file, cmd, arg); 5711da177e4SLinus Torvalds unlock_kernel(); 5721da177e4SLinus Torvalds return ret; 5731da177e4SLinus Torvalds } 5741da177e4SLinus Torvalds 5751da177e4SLinus Torvalds static int mptctl_do_reset(unsigned long arg) 5761da177e4SLinus Torvalds { 5771da177e4SLinus Torvalds struct mpt_ioctl_diag_reset __user *urinfo = (void __user *) arg; 5781da177e4SLinus Torvalds struct mpt_ioctl_diag_reset krinfo; 5791da177e4SLinus Torvalds MPT_ADAPTER *iocp; 5801da177e4SLinus Torvalds 5811da177e4SLinus Torvalds dctlprintk((KERN_INFO "mptctl_do_reset called.\n")); 5821da177e4SLinus Torvalds 5831da177e4SLinus Torvalds if (copy_from_user(&krinfo, urinfo, sizeof(struct mpt_ioctl_diag_reset))) { 5841da177e4SLinus Torvalds printk(KERN_ERR "%s@%d::mptctl_do_reset - " 5851da177e4SLinus Torvalds "Unable to copy mpt_ioctl_diag_reset struct @ %p\n", 5861da177e4SLinus Torvalds __FILE__, __LINE__, urinfo); 5871da177e4SLinus Torvalds return -EFAULT; 5881da177e4SLinus Torvalds } 5891da177e4SLinus Torvalds 5901da177e4SLinus Torvalds if (mpt_verify_adapter(krinfo.hdr.iocnum, &iocp) < 0) { 5911da177e4SLinus Torvalds dctlprintk((KERN_ERR "%s@%d::mptctl_do_reset - ioc%d not found!\n", 5921da177e4SLinus Torvalds __FILE__, __LINE__, krinfo.hdr.iocnum)); 5931da177e4SLinus Torvalds return -ENODEV; /* (-6) No such device or address */ 5941da177e4SLinus Torvalds } 5951da177e4SLinus Torvalds 5961da177e4SLinus Torvalds if (mpt_HardResetHandler(iocp, CAN_SLEEP) != 0) { 5971da177e4SLinus Torvalds printk (KERN_ERR "%s@%d::mptctl_do_reset - reset failed.\n", 5981da177e4SLinus Torvalds __FILE__, __LINE__); 5991da177e4SLinus Torvalds return -1; 6001da177e4SLinus Torvalds } 6011da177e4SLinus Torvalds 6021da177e4SLinus Torvalds return 0; 6031da177e4SLinus Torvalds } 6041da177e4SLinus Torvalds 6051da177e4SLinus Torvalds /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 6061da177e4SLinus Torvalds /* 6071da177e4SLinus Torvalds * MPT FW download function. Cast the arg into the mpt_fw_xfer structure. 6081da177e4SLinus Torvalds * This structure contains: iocnum, firmware length (bytes), 6091da177e4SLinus Torvalds * pointer to user space memory where the fw image is stored. 6101da177e4SLinus Torvalds * 6111da177e4SLinus Torvalds * Outputs: None. 6121da177e4SLinus Torvalds * Return: 0 if successful 6131da177e4SLinus Torvalds * -EFAULT if data unavailable 6141da177e4SLinus Torvalds * -ENXIO if no such device 6151da177e4SLinus Torvalds * -EAGAIN if resource problem 6161da177e4SLinus Torvalds * -ENOMEM if no memory for SGE 6171da177e4SLinus Torvalds * -EMLINK if too many chain buffers required 6181da177e4SLinus Torvalds * -EBADRQC if adapter does not support FW download 6191da177e4SLinus Torvalds * -EBUSY if adapter is busy 6201da177e4SLinus Torvalds * -ENOMSG if FW upload returned bad status 6211da177e4SLinus Torvalds */ 6221da177e4SLinus Torvalds static int 6231da177e4SLinus Torvalds mptctl_fw_download(unsigned long arg) 6241da177e4SLinus Torvalds { 6251da177e4SLinus Torvalds struct mpt_fw_xfer __user *ufwdl = (void __user *) arg; 6261da177e4SLinus Torvalds struct mpt_fw_xfer kfwdl; 6271da177e4SLinus Torvalds 6281da177e4SLinus Torvalds dctlprintk((KERN_INFO "mptctl_fwdl called. mptctl_id = %xh\n", mptctl_id)); //tc 6291da177e4SLinus Torvalds if (copy_from_user(&kfwdl, ufwdl, sizeof(struct mpt_fw_xfer))) { 6301da177e4SLinus Torvalds printk(KERN_ERR "%s@%d::_ioctl_fwdl - " 6311da177e4SLinus Torvalds "Unable to copy mpt_fw_xfer struct @ %p\n", 6321da177e4SLinus Torvalds __FILE__, __LINE__, ufwdl); 6331da177e4SLinus Torvalds return -EFAULT; 6341da177e4SLinus Torvalds } 6351da177e4SLinus Torvalds 6361da177e4SLinus Torvalds return mptctl_do_fw_download(kfwdl.iocnum, kfwdl.bufp, kfwdl.fwlen); 6371da177e4SLinus Torvalds } 6381da177e4SLinus Torvalds 6391da177e4SLinus Torvalds /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 6401da177e4SLinus Torvalds /* 6411da177e4SLinus Torvalds * FW Download engine. 6421da177e4SLinus Torvalds * Outputs: None. 6431da177e4SLinus Torvalds * Return: 0 if successful 6441da177e4SLinus Torvalds * -EFAULT if data unavailable 6451da177e4SLinus Torvalds * -ENXIO if no such device 6461da177e4SLinus Torvalds * -EAGAIN if resource problem 6471da177e4SLinus Torvalds * -ENOMEM if no memory for SGE 6481da177e4SLinus Torvalds * -EMLINK if too many chain buffers required 6491da177e4SLinus Torvalds * -EBADRQC if adapter does not support FW download 6501da177e4SLinus Torvalds * -EBUSY if adapter is busy 6511da177e4SLinus Torvalds * -ENOMSG if FW upload returned bad status 6521da177e4SLinus Torvalds */ 6531da177e4SLinus Torvalds static int 6541da177e4SLinus Torvalds mptctl_do_fw_download(int ioc, char __user *ufwbuf, size_t fwlen) 6551da177e4SLinus Torvalds { 6561da177e4SLinus Torvalds FWDownload_t *dlmsg; 6571da177e4SLinus Torvalds MPT_FRAME_HDR *mf; 6581da177e4SLinus Torvalds MPT_ADAPTER *iocp; 6591da177e4SLinus Torvalds FWDownloadTCSGE_t *ptsge; 6601da177e4SLinus Torvalds MptSge_t *sgl, *sgIn; 6611da177e4SLinus Torvalds char *sgOut; 6621da177e4SLinus Torvalds struct buflist *buflist; 6631da177e4SLinus Torvalds struct buflist *bl; 6641da177e4SLinus Torvalds dma_addr_t sgl_dma; 6651da177e4SLinus Torvalds int ret; 6661da177e4SLinus Torvalds int numfrags = 0; 6671da177e4SLinus Torvalds int maxfrags; 6681da177e4SLinus Torvalds int n = 0; 6691da177e4SLinus Torvalds u32 sgdir; 6701da177e4SLinus Torvalds u32 nib; 6711da177e4SLinus Torvalds int fw_bytes_copied = 0; 6721da177e4SLinus Torvalds int i; 6731da177e4SLinus Torvalds int sge_offset = 0; 6741da177e4SLinus Torvalds u16 iocstat; 6751da177e4SLinus Torvalds pFWDownloadReply_t ReplyMsg = NULL; 6761da177e4SLinus Torvalds 6771da177e4SLinus Torvalds dctlprintk((KERN_INFO "mptctl_do_fwdl called. mptctl_id = %xh.\n", mptctl_id)); 6781da177e4SLinus Torvalds 6791da177e4SLinus Torvalds dctlprintk((KERN_INFO "DbG: kfwdl.bufp = %p\n", ufwbuf)); 6801da177e4SLinus Torvalds dctlprintk((KERN_INFO "DbG: kfwdl.fwlen = %d\n", (int)fwlen)); 6811da177e4SLinus Torvalds dctlprintk((KERN_INFO "DbG: kfwdl.ioc = %04xh\n", ioc)); 6821da177e4SLinus Torvalds 6831da177e4SLinus Torvalds if ((ioc = mpt_verify_adapter(ioc, &iocp)) < 0) { 6841da177e4SLinus Torvalds dctlprintk(("%s@%d::_ioctl_fwdl - ioc%d not found!\n", 6851da177e4SLinus Torvalds __FILE__, __LINE__, ioc)); 6861da177e4SLinus Torvalds return -ENODEV; /* (-6) No such device or address */ 6871da177e4SLinus Torvalds } 6881da177e4SLinus Torvalds 6891da177e4SLinus Torvalds /* Valid device. Get a message frame and construct the FW download message. 6901da177e4SLinus Torvalds */ 6911da177e4SLinus Torvalds if ((mf = mpt_get_msg_frame(mptctl_id, iocp)) == NULL) 6921da177e4SLinus Torvalds return -EAGAIN; 6931da177e4SLinus Torvalds dlmsg = (FWDownload_t*) mf; 6941da177e4SLinus Torvalds ptsge = (FWDownloadTCSGE_t *) &dlmsg->SGL; 6951da177e4SLinus Torvalds sgOut = (char *) (ptsge + 1); 6961da177e4SLinus Torvalds 6971da177e4SLinus Torvalds /* 6981da177e4SLinus Torvalds * Construct f/w download request 6991da177e4SLinus Torvalds */ 7001da177e4SLinus Torvalds dlmsg->ImageType = MPI_FW_DOWNLOAD_ITYPE_FW; 7011da177e4SLinus Torvalds dlmsg->Reserved = 0; 7021da177e4SLinus Torvalds dlmsg->ChainOffset = 0; 7031da177e4SLinus Torvalds dlmsg->Function = MPI_FUNCTION_FW_DOWNLOAD; 7041da177e4SLinus Torvalds dlmsg->Reserved1[0] = dlmsg->Reserved1[1] = dlmsg->Reserved1[2] = 0; 7051da177e4SLinus Torvalds dlmsg->MsgFlags = 0; 7061da177e4SLinus Torvalds 7071da177e4SLinus Torvalds /* Set up the Transaction SGE. 7081da177e4SLinus Torvalds */ 7091da177e4SLinus Torvalds ptsge->Reserved = 0; 7101da177e4SLinus Torvalds ptsge->ContextSize = 0; 7111da177e4SLinus Torvalds ptsge->DetailsLength = 12; 7121da177e4SLinus Torvalds ptsge->Flags = MPI_SGE_FLAGS_TRANSACTION_ELEMENT; 7131da177e4SLinus Torvalds ptsge->Reserved_0100_Checksum = 0; 7141da177e4SLinus Torvalds ptsge->ImageOffset = 0; 7151da177e4SLinus Torvalds ptsge->ImageSize = cpu_to_le32(fwlen); 7161da177e4SLinus Torvalds 7171da177e4SLinus Torvalds /* Add the SGL 7181da177e4SLinus Torvalds */ 7191da177e4SLinus Torvalds 7201da177e4SLinus Torvalds /* 7211da177e4SLinus Torvalds * Need to kmalloc area(s) for holding firmware image bytes. 7221da177e4SLinus Torvalds * But we need to do it piece meal, using a proper 7231da177e4SLinus Torvalds * scatter gather list (with 128kB MAX hunks). 7241da177e4SLinus Torvalds * 7251da177e4SLinus Torvalds * A practical limit here might be # of sg hunks that fit into 7261da177e4SLinus Torvalds * a single IOC request frame; 12 or 8 (see below), so: 7271da177e4SLinus Torvalds * For FC9xx: 12 x 128kB == 1.5 mB (max) 7281da177e4SLinus Torvalds * For C1030: 8 x 128kB == 1 mB (max) 7291da177e4SLinus Torvalds * We could support chaining, but things get ugly(ier:) 7301da177e4SLinus Torvalds * 7311da177e4SLinus Torvalds * Set the sge_offset to the start of the sgl (bytes). 7321da177e4SLinus Torvalds */ 7331da177e4SLinus Torvalds sgdir = 0x04000000; /* IOC will READ from sys mem */ 7341da177e4SLinus Torvalds sge_offset = sizeof(MPIHeader_t) + sizeof(FWDownloadTCSGE_t); 7351da177e4SLinus Torvalds if ((sgl = kbuf_alloc_2_sgl(fwlen, sgdir, sge_offset, 7361da177e4SLinus Torvalds &numfrags, &buflist, &sgl_dma, iocp)) == NULL) 7371da177e4SLinus Torvalds return -ENOMEM; 7381da177e4SLinus Torvalds 7391da177e4SLinus Torvalds /* 7401da177e4SLinus Torvalds * We should only need SGL with 2 simple_32bit entries (up to 256 kB) 7411da177e4SLinus Torvalds * for FC9xx f/w image, but calculate max number of sge hunks 7421da177e4SLinus Torvalds * we can fit into a request frame, and limit ourselves to that. 7431da177e4SLinus Torvalds * (currently no chain support) 7441da177e4SLinus Torvalds * maxfrags = (Request Size - FWdownload Size ) / Size of 32 bit SGE 7451da177e4SLinus Torvalds * Request maxfrags 7461da177e4SLinus Torvalds * 128 12 7471da177e4SLinus Torvalds * 96 8 7481da177e4SLinus Torvalds * 64 4 7491da177e4SLinus Torvalds */ 7501da177e4SLinus Torvalds maxfrags = (iocp->req_sz - sizeof(MPIHeader_t) - sizeof(FWDownloadTCSGE_t)) 7511da177e4SLinus Torvalds / (sizeof(dma_addr_t) + sizeof(u32)); 7521da177e4SLinus Torvalds if (numfrags > maxfrags) { 7531da177e4SLinus Torvalds ret = -EMLINK; 7541da177e4SLinus Torvalds goto fwdl_out; 7551da177e4SLinus Torvalds } 7561da177e4SLinus Torvalds 7571da177e4SLinus Torvalds dctlprintk((KERN_INFO "DbG: sgl buffer = %p, sgfrags = %d\n", sgl, numfrags)); 7581da177e4SLinus Torvalds 7591da177e4SLinus Torvalds /* 7601da177e4SLinus Torvalds * Parse SG list, copying sgl itself, 7611da177e4SLinus Torvalds * plus f/w image hunks from user space as we go... 7621da177e4SLinus Torvalds */ 7631da177e4SLinus Torvalds ret = -EFAULT; 7641da177e4SLinus Torvalds sgIn = sgl; 7651da177e4SLinus Torvalds bl = buflist; 7661da177e4SLinus Torvalds for (i=0; i < numfrags; i++) { 7671da177e4SLinus Torvalds 7681da177e4SLinus Torvalds /* Get the SGE type: 0 - TCSGE, 3 - Chain, 1 - Simple SGE 7691da177e4SLinus Torvalds * Skip everything but Simple. If simple, copy from 7701da177e4SLinus Torvalds * user space into kernel space. 7711da177e4SLinus Torvalds * Note: we should not have anything but Simple as 7721da177e4SLinus Torvalds * Chain SGE are illegal. 7731da177e4SLinus Torvalds */ 7741da177e4SLinus Torvalds nib = (sgIn->FlagsLength & 0x30000000) >> 28; 7751da177e4SLinus Torvalds if (nib == 0 || nib == 3) { 7761da177e4SLinus Torvalds ; 7771da177e4SLinus Torvalds } else if (sgIn->Address) { 7781da177e4SLinus Torvalds mpt_add_sge(sgOut, sgIn->FlagsLength, sgIn->Address); 7791da177e4SLinus Torvalds n++; 7801da177e4SLinus Torvalds if (copy_from_user(bl->kptr, ufwbuf+fw_bytes_copied, bl->len)) { 7811da177e4SLinus Torvalds printk(KERN_ERR "%s@%d::_ioctl_fwdl - " 7821da177e4SLinus Torvalds "Unable to copy f/w buffer hunk#%d @ %p\n", 7831da177e4SLinus Torvalds __FILE__, __LINE__, n, ufwbuf); 7841da177e4SLinus Torvalds goto fwdl_out; 7851da177e4SLinus Torvalds } 7861da177e4SLinus Torvalds fw_bytes_copied += bl->len; 7871da177e4SLinus Torvalds } 7881da177e4SLinus Torvalds sgIn++; 7891da177e4SLinus Torvalds bl++; 7901da177e4SLinus Torvalds sgOut += (sizeof(dma_addr_t) + sizeof(u32)); 7911da177e4SLinus Torvalds } 7921da177e4SLinus Torvalds 7931da177e4SLinus Torvalds #ifdef MPT_DEBUG 7941da177e4SLinus Torvalds { 7951da177e4SLinus Torvalds u32 *m = (u32 *)mf; 7961da177e4SLinus Torvalds printk(KERN_INFO MYNAM ": F/W download request:\n" KERN_INFO " "); 7971da177e4SLinus Torvalds for (i=0; i < 7+numfrags*2; i++) 7981da177e4SLinus Torvalds printk(" %08x", le32_to_cpu(m[i])); 7991da177e4SLinus Torvalds printk("\n"); 8001da177e4SLinus Torvalds } 8011da177e4SLinus Torvalds #endif 8021da177e4SLinus Torvalds 8031da177e4SLinus Torvalds /* 8041da177e4SLinus Torvalds * Finally, perform firmware download. 8051da177e4SLinus Torvalds */ 8061da177e4SLinus Torvalds iocp->ioctl->wait_done = 0; 8071da177e4SLinus Torvalds mpt_put_msg_frame(mptctl_id, iocp, mf); 8081da177e4SLinus Torvalds 8091da177e4SLinus Torvalds /* Now wait for the command to complete */ 8101da177e4SLinus Torvalds ret = wait_event_interruptible_timeout(mptctl_wait, 8111da177e4SLinus Torvalds iocp->ioctl->wait_done == 1, 8121da177e4SLinus Torvalds HZ*60); 8131da177e4SLinus Torvalds 8141da177e4SLinus Torvalds if(ret <=0 && (iocp->ioctl->wait_done != 1 )) { 8151da177e4SLinus Torvalds /* Now we need to reset the board */ 8161da177e4SLinus Torvalds mptctl_timeout_expired(iocp->ioctl); 8171da177e4SLinus Torvalds ret = -ENODATA; 8181da177e4SLinus Torvalds goto fwdl_out; 8191da177e4SLinus Torvalds } 8201da177e4SLinus Torvalds 8211da177e4SLinus Torvalds if (sgl) 8221da177e4SLinus Torvalds kfree_sgl(sgl, sgl_dma, buflist, iocp); 8231da177e4SLinus Torvalds 8241da177e4SLinus Torvalds ReplyMsg = (pFWDownloadReply_t)iocp->ioctl->ReplyFrame; 8251da177e4SLinus Torvalds iocstat = le16_to_cpu(ReplyMsg->IOCStatus) & MPI_IOCSTATUS_MASK; 8261da177e4SLinus Torvalds if (iocstat == MPI_IOCSTATUS_SUCCESS) { 8271da177e4SLinus Torvalds printk(KERN_INFO MYNAM ": F/W update successfully sent to %s!\n", iocp->name); 8281da177e4SLinus Torvalds return 0; 8291da177e4SLinus Torvalds } else if (iocstat == MPI_IOCSTATUS_INVALID_FUNCTION) { 8301da177e4SLinus Torvalds printk(KERN_WARNING MYNAM ": ?Hmmm... %s says it doesn't support F/W download!?!\n", 8311da177e4SLinus Torvalds iocp->name); 8321da177e4SLinus Torvalds printk(KERN_WARNING MYNAM ": (time to go bang on somebodies door)\n"); 8331da177e4SLinus Torvalds return -EBADRQC; 8341da177e4SLinus Torvalds } else if (iocstat == MPI_IOCSTATUS_BUSY) { 8351da177e4SLinus Torvalds printk(KERN_WARNING MYNAM ": Warning! %s says: IOC_BUSY!\n", iocp->name); 8361da177e4SLinus Torvalds printk(KERN_WARNING MYNAM ": (try again later?)\n"); 8371da177e4SLinus Torvalds return -EBUSY; 8381da177e4SLinus Torvalds } else { 8391da177e4SLinus Torvalds printk(KERN_WARNING MYNAM "::ioctl_fwdl() ERROR! %s returned [bad] status = %04xh\n", 8401da177e4SLinus Torvalds iocp->name, iocstat); 8411da177e4SLinus Torvalds printk(KERN_WARNING MYNAM ": (bad VooDoo)\n"); 8421da177e4SLinus Torvalds return -ENOMSG; 8431da177e4SLinus Torvalds } 8441da177e4SLinus Torvalds return 0; 8451da177e4SLinus Torvalds 8461da177e4SLinus Torvalds fwdl_out: 8471da177e4SLinus Torvalds kfree_sgl(sgl, sgl_dma, buflist, iocp); 8481da177e4SLinus Torvalds return ret; 8491da177e4SLinus Torvalds } 8501da177e4SLinus Torvalds 8511da177e4SLinus Torvalds /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 8521da177e4SLinus Torvalds /* 8531da177e4SLinus Torvalds * SGE Allocation routine 8541da177e4SLinus Torvalds * 8551da177e4SLinus Torvalds * Inputs: bytes - number of bytes to be transferred 8561da177e4SLinus Torvalds * sgdir - data direction 8571da177e4SLinus Torvalds * sge_offset - offset (in bytes) from the start of the request 8581da177e4SLinus Torvalds * frame to the first SGE 8591da177e4SLinus Torvalds * ioc - pointer to the mptadapter 8601da177e4SLinus Torvalds * Outputs: frags - number of scatter gather elements 8611da177e4SLinus Torvalds * blp - point to the buflist pointer 8621da177e4SLinus Torvalds * sglbuf_dma - pointer to the (dma) sgl 8631da177e4SLinus Torvalds * Returns: Null if failes 8641da177e4SLinus Torvalds * pointer to the (virtual) sgl if successful. 8651da177e4SLinus Torvalds */ 8661da177e4SLinus Torvalds static MptSge_t * 8671da177e4SLinus Torvalds kbuf_alloc_2_sgl(int bytes, u32 sgdir, int sge_offset, int *frags, 8681da177e4SLinus Torvalds struct buflist **blp, dma_addr_t *sglbuf_dma, MPT_ADAPTER *ioc) 8691da177e4SLinus Torvalds { 8701da177e4SLinus Torvalds MptSge_t *sglbuf = NULL; /* pointer to array of SGE */ 8711da177e4SLinus Torvalds /* and chain buffers */ 8721da177e4SLinus Torvalds struct buflist *buflist = NULL; /* kernel routine */ 8731da177e4SLinus Torvalds MptSge_t *sgl; 8741da177e4SLinus Torvalds int numfrags = 0; 8751da177e4SLinus Torvalds int fragcnt = 0; 8761da177e4SLinus Torvalds int alloc_sz = min(bytes,MAX_KMALLOC_SZ); // avoid kernel warning msg! 8771da177e4SLinus Torvalds int bytes_allocd = 0; 8781da177e4SLinus Torvalds int this_alloc; 8791da177e4SLinus Torvalds dma_addr_t pa; // phys addr 8801da177e4SLinus Torvalds int i, buflist_ent; 8811da177e4SLinus Torvalds int sg_spill = MAX_FRAGS_SPILL1; 8821da177e4SLinus Torvalds int dir; 8831da177e4SLinus Torvalds /* initialization */ 8841da177e4SLinus Torvalds *frags = 0; 8851da177e4SLinus Torvalds *blp = NULL; 8861da177e4SLinus Torvalds 8871da177e4SLinus Torvalds /* Allocate and initialize an array of kernel 8881da177e4SLinus Torvalds * structures for the SG elements. 8891da177e4SLinus Torvalds */ 8901da177e4SLinus Torvalds i = MAX_SGL_BYTES / 8; 8911da177e4SLinus Torvalds buflist = kmalloc(i, GFP_USER); 8921da177e4SLinus Torvalds if (buflist == NULL) 8931da177e4SLinus Torvalds return NULL; 8941da177e4SLinus Torvalds memset(buflist, 0, i); 8951da177e4SLinus Torvalds buflist_ent = 0; 8961da177e4SLinus Torvalds 8971da177e4SLinus Torvalds /* Allocate a single block of memory to store the sg elements and 8981da177e4SLinus Torvalds * the chain buffers. The calling routine is responsible for 8991da177e4SLinus Torvalds * copying the data in this array into the correct place in the 9001da177e4SLinus Torvalds * request and chain buffers. 9011da177e4SLinus Torvalds */ 9021da177e4SLinus Torvalds sglbuf = pci_alloc_consistent(ioc->pcidev, MAX_SGL_BYTES, sglbuf_dma); 9031da177e4SLinus Torvalds if (sglbuf == NULL) 9041da177e4SLinus Torvalds goto free_and_fail; 9051da177e4SLinus Torvalds 9061da177e4SLinus Torvalds if (sgdir & 0x04000000) 9071da177e4SLinus Torvalds dir = PCI_DMA_TODEVICE; 9081da177e4SLinus Torvalds else 9091da177e4SLinus Torvalds dir = PCI_DMA_FROMDEVICE; 9101da177e4SLinus Torvalds 9111da177e4SLinus Torvalds /* At start: 9121da177e4SLinus Torvalds * sgl = sglbuf = point to beginning of sg buffer 9131da177e4SLinus Torvalds * buflist_ent = 0 = first kernel structure 9141da177e4SLinus Torvalds * sg_spill = number of SGE that can be written before the first 9151da177e4SLinus Torvalds * chain element. 9161da177e4SLinus Torvalds * 9171da177e4SLinus Torvalds */ 9181da177e4SLinus Torvalds sgl = sglbuf; 9191da177e4SLinus Torvalds sg_spill = ((ioc->req_sz - sge_offset)/(sizeof(dma_addr_t) + sizeof(u32))) - 1; 9201da177e4SLinus Torvalds while (bytes_allocd < bytes) { 9211da177e4SLinus Torvalds this_alloc = min(alloc_sz, bytes-bytes_allocd); 9221da177e4SLinus Torvalds buflist[buflist_ent].len = this_alloc; 9231da177e4SLinus Torvalds buflist[buflist_ent].kptr = pci_alloc_consistent(ioc->pcidev, 9241da177e4SLinus Torvalds this_alloc, 9251da177e4SLinus Torvalds &pa); 9261da177e4SLinus Torvalds if (buflist[buflist_ent].kptr == NULL) { 9271da177e4SLinus Torvalds alloc_sz = alloc_sz / 2; 9281da177e4SLinus Torvalds if (alloc_sz == 0) { 9291da177e4SLinus Torvalds printk(KERN_WARNING MYNAM "-SG: No can do - " 9301da177e4SLinus Torvalds "not enough memory! :-(\n"); 9311da177e4SLinus Torvalds printk(KERN_WARNING MYNAM "-SG: (freeing %d frags)\n", 9321da177e4SLinus Torvalds numfrags); 9331da177e4SLinus Torvalds goto free_and_fail; 9341da177e4SLinus Torvalds } 9351da177e4SLinus Torvalds continue; 9361da177e4SLinus Torvalds } else { 9371da177e4SLinus Torvalds dma_addr_t dma_addr; 9381da177e4SLinus Torvalds 9391da177e4SLinus Torvalds bytes_allocd += this_alloc; 9401da177e4SLinus Torvalds sgl->FlagsLength = (0x10000000|MPT_SGE_FLAGS_ADDRESSING|sgdir|this_alloc); 9411da177e4SLinus Torvalds dma_addr = pci_map_single(ioc->pcidev, buflist[buflist_ent].kptr, this_alloc, dir); 9421da177e4SLinus Torvalds sgl->Address = dma_addr; 9431da177e4SLinus Torvalds 9441da177e4SLinus Torvalds fragcnt++; 9451da177e4SLinus Torvalds numfrags++; 9461da177e4SLinus Torvalds sgl++; 9471da177e4SLinus Torvalds buflist_ent++; 9481da177e4SLinus Torvalds } 9491da177e4SLinus Torvalds 9501da177e4SLinus Torvalds if (bytes_allocd >= bytes) 9511da177e4SLinus Torvalds break; 9521da177e4SLinus Torvalds 9531da177e4SLinus Torvalds /* Need to chain? */ 9541da177e4SLinus Torvalds if (fragcnt == sg_spill) { 9551da177e4SLinus Torvalds printk(KERN_WARNING MYNAM "-SG: No can do - " "Chain required! :-(\n"); 9561da177e4SLinus Torvalds printk(KERN_WARNING MYNAM "(freeing %d frags)\n", numfrags); 9571da177e4SLinus Torvalds goto free_and_fail; 9581da177e4SLinus Torvalds } 9591da177e4SLinus Torvalds 9601da177e4SLinus Torvalds /* overflow check... */ 9611da177e4SLinus Torvalds if (numfrags*8 > MAX_SGL_BYTES){ 9621da177e4SLinus Torvalds /* GRRRRR... */ 9631da177e4SLinus Torvalds printk(KERN_WARNING MYNAM "-SG: No can do - " 9641da177e4SLinus Torvalds "too many SG frags! :-(\n"); 9651da177e4SLinus Torvalds printk(KERN_WARNING MYNAM "-SG: (freeing %d frags)\n", 9661da177e4SLinus Torvalds numfrags); 9671da177e4SLinus Torvalds goto free_and_fail; 9681da177e4SLinus Torvalds } 9691da177e4SLinus Torvalds } 9701da177e4SLinus Torvalds 9711da177e4SLinus Torvalds /* Last sge fixup: set LE+eol+eob bits */ 9721da177e4SLinus Torvalds sgl[-1].FlagsLength |= 0xC1000000; 9731da177e4SLinus Torvalds 9741da177e4SLinus Torvalds *frags = numfrags; 9751da177e4SLinus Torvalds *blp = buflist; 9761da177e4SLinus Torvalds 9771da177e4SLinus Torvalds dctlprintk((KERN_INFO MYNAM "-SG: kbuf_alloc_2_sgl() - " 9781da177e4SLinus Torvalds "%d SG frags generated!\n", 9791da177e4SLinus Torvalds numfrags)); 9801da177e4SLinus Torvalds 9811da177e4SLinus Torvalds dctlprintk((KERN_INFO MYNAM "-SG: kbuf_alloc_2_sgl() - " 9821da177e4SLinus Torvalds "last (big) alloc_sz=%d\n", 9831da177e4SLinus Torvalds alloc_sz)); 9841da177e4SLinus Torvalds 9851da177e4SLinus Torvalds return sglbuf; 9861da177e4SLinus Torvalds 9871da177e4SLinus Torvalds free_and_fail: 9881da177e4SLinus Torvalds if (sglbuf != NULL) { 9891da177e4SLinus Torvalds int i; 9901da177e4SLinus Torvalds 9911da177e4SLinus Torvalds for (i = 0; i < numfrags; i++) { 9921da177e4SLinus Torvalds dma_addr_t dma_addr; 9931da177e4SLinus Torvalds u8 *kptr; 9941da177e4SLinus Torvalds int len; 9951da177e4SLinus Torvalds 9961da177e4SLinus Torvalds if ((sglbuf[i].FlagsLength >> 24) == 0x30) 9971da177e4SLinus Torvalds continue; 9981da177e4SLinus Torvalds 9991da177e4SLinus Torvalds dma_addr = sglbuf[i].Address; 10001da177e4SLinus Torvalds kptr = buflist[i].kptr; 10011da177e4SLinus Torvalds len = buflist[i].len; 10021da177e4SLinus Torvalds 10031da177e4SLinus Torvalds pci_free_consistent(ioc->pcidev, len, kptr, dma_addr); 10041da177e4SLinus Torvalds } 10051da177e4SLinus Torvalds pci_free_consistent(ioc->pcidev, MAX_SGL_BYTES, sglbuf, *sglbuf_dma); 10061da177e4SLinus Torvalds } 10071da177e4SLinus Torvalds kfree(buflist); 10081da177e4SLinus Torvalds return NULL; 10091da177e4SLinus Torvalds } 10101da177e4SLinus Torvalds 10111da177e4SLinus Torvalds /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 10121da177e4SLinus Torvalds /* 10131da177e4SLinus Torvalds * Routine to free the SGL elements. 10141da177e4SLinus Torvalds */ 10151da177e4SLinus Torvalds static void 10161da177e4SLinus Torvalds kfree_sgl(MptSge_t *sgl, dma_addr_t sgl_dma, struct buflist *buflist, MPT_ADAPTER *ioc) 10171da177e4SLinus Torvalds { 10181da177e4SLinus Torvalds MptSge_t *sg = sgl; 10191da177e4SLinus Torvalds struct buflist *bl = buflist; 10201da177e4SLinus Torvalds u32 nib; 10211da177e4SLinus Torvalds int dir; 10221da177e4SLinus Torvalds int n = 0; 10231da177e4SLinus Torvalds 10241da177e4SLinus Torvalds if (sg->FlagsLength & 0x04000000) 10251da177e4SLinus Torvalds dir = PCI_DMA_TODEVICE; 10261da177e4SLinus Torvalds else 10271da177e4SLinus Torvalds dir = PCI_DMA_FROMDEVICE; 10281da177e4SLinus Torvalds 10291da177e4SLinus Torvalds nib = (sg->FlagsLength & 0xF0000000) >> 28; 10301da177e4SLinus Torvalds while (! (nib & 0x4)) { /* eob */ 10311da177e4SLinus Torvalds /* skip ignore/chain. */ 10321da177e4SLinus Torvalds if (nib == 0 || nib == 3) { 10331da177e4SLinus Torvalds ; 10341da177e4SLinus Torvalds } else if (sg->Address) { 10351da177e4SLinus Torvalds dma_addr_t dma_addr; 10361da177e4SLinus Torvalds void *kptr; 10371da177e4SLinus Torvalds int len; 10381da177e4SLinus Torvalds 10391da177e4SLinus Torvalds dma_addr = sg->Address; 10401da177e4SLinus Torvalds kptr = bl->kptr; 10411da177e4SLinus Torvalds len = bl->len; 10421da177e4SLinus Torvalds pci_unmap_single(ioc->pcidev, dma_addr, len, dir); 10431da177e4SLinus Torvalds pci_free_consistent(ioc->pcidev, len, kptr, dma_addr); 10441da177e4SLinus Torvalds n++; 10451da177e4SLinus Torvalds } 10461da177e4SLinus Torvalds sg++; 10471da177e4SLinus Torvalds bl++; 10481da177e4SLinus Torvalds nib = (le32_to_cpu(sg->FlagsLength) & 0xF0000000) >> 28; 10491da177e4SLinus Torvalds } 10501da177e4SLinus Torvalds 10511da177e4SLinus Torvalds /* we're at eob! */ 10521da177e4SLinus Torvalds if (sg->Address) { 10531da177e4SLinus Torvalds dma_addr_t dma_addr; 10541da177e4SLinus Torvalds void *kptr; 10551da177e4SLinus Torvalds int len; 10561da177e4SLinus Torvalds 10571da177e4SLinus Torvalds dma_addr = sg->Address; 10581da177e4SLinus Torvalds kptr = bl->kptr; 10591da177e4SLinus Torvalds len = bl->len; 10601da177e4SLinus Torvalds pci_unmap_single(ioc->pcidev, dma_addr, len, dir); 10611da177e4SLinus Torvalds pci_free_consistent(ioc->pcidev, len, kptr, dma_addr); 10621da177e4SLinus Torvalds n++; 10631da177e4SLinus Torvalds } 10641da177e4SLinus Torvalds 10651da177e4SLinus Torvalds pci_free_consistent(ioc->pcidev, MAX_SGL_BYTES, sgl, sgl_dma); 10661da177e4SLinus Torvalds kfree(buflist); 10671da177e4SLinus Torvalds dctlprintk((KERN_INFO MYNAM "-SG: Free'd 1 SGL buf + %d kbufs!\n", n)); 10681da177e4SLinus Torvalds } 10691da177e4SLinus Torvalds 10701da177e4SLinus Torvalds /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 10711da177e4SLinus Torvalds /* 10721da177e4SLinus Torvalds * mptctl_getiocinfo - Query the host adapter for IOC information. 10731da177e4SLinus Torvalds * @arg: User space argument 10741da177e4SLinus Torvalds * 10751da177e4SLinus Torvalds * Outputs: None. 10761da177e4SLinus Torvalds * Return: 0 if successful 10771da177e4SLinus Torvalds * -EFAULT if data unavailable 10781da177e4SLinus Torvalds * -ENODEV if no such device/adapter 10791da177e4SLinus Torvalds */ 10801da177e4SLinus Torvalds static int 10811da177e4SLinus Torvalds mptctl_getiocinfo (unsigned long arg, unsigned int data_size) 10821da177e4SLinus Torvalds { 10831da177e4SLinus Torvalds struct mpt_ioctl_iocinfo __user *uarg = (void __user *) arg; 10841da177e4SLinus Torvalds struct mpt_ioctl_iocinfo *karg; 10851da177e4SLinus Torvalds MPT_ADAPTER *ioc; 10861da177e4SLinus Torvalds struct pci_dev *pdev; 10871da177e4SLinus Torvalds struct Scsi_Host *sh; 10881da177e4SLinus Torvalds MPT_SCSI_HOST *hd; 10891da177e4SLinus Torvalds int iocnum; 10901da177e4SLinus Torvalds int numDevices = 0; 10911da177e4SLinus Torvalds unsigned int max_id; 10921da177e4SLinus Torvalds int ii; 1093b6fe4ddcSMoore, Eric Dean unsigned int port; 10941da177e4SLinus Torvalds int cim_rev; 10951da177e4SLinus Torvalds u8 revision; 10961da177e4SLinus Torvalds 10971da177e4SLinus Torvalds dctlprintk((": mptctl_getiocinfo called.\n")); 10981da177e4SLinus Torvalds /* Add of PCI INFO results in unaligned access for 10991da177e4SLinus Torvalds * IA64 and Sparc. Reset long to int. Return no PCI 11001da177e4SLinus Torvalds * data for obsolete format. 11011da177e4SLinus Torvalds */ 11021da177e4SLinus Torvalds if (data_size == sizeof(struct mpt_ioctl_iocinfo_rev0)) 11031da177e4SLinus Torvalds cim_rev = 0; 11041da177e4SLinus Torvalds else if (data_size == sizeof(struct mpt_ioctl_iocinfo_rev1)) 11051da177e4SLinus Torvalds cim_rev = 1; 11061da177e4SLinus Torvalds else if (data_size == sizeof(struct mpt_ioctl_iocinfo)) 11071da177e4SLinus Torvalds cim_rev = 2; 11081da177e4SLinus Torvalds else if (data_size == (sizeof(struct mpt_ioctl_iocinfo_rev0)+12)) 11091da177e4SLinus Torvalds cim_rev = 0; /* obsolete */ 11101da177e4SLinus Torvalds else 11111da177e4SLinus Torvalds return -EFAULT; 11121da177e4SLinus Torvalds 11131da177e4SLinus Torvalds karg = kmalloc(data_size, GFP_KERNEL); 11141da177e4SLinus Torvalds if (karg == NULL) { 11151da177e4SLinus Torvalds printk(KERN_ERR "%s::mpt_ioctl_iocinfo() @%d - no memory available!\n", 11161da177e4SLinus Torvalds __FILE__, __LINE__); 11171da177e4SLinus Torvalds return -ENOMEM; 11181da177e4SLinus Torvalds } 11191da177e4SLinus Torvalds 11201da177e4SLinus Torvalds if (copy_from_user(karg, uarg, data_size)) { 11211da177e4SLinus Torvalds printk(KERN_ERR "%s@%d::mptctl_getiocinfo - " 11221da177e4SLinus Torvalds "Unable to read in mpt_ioctl_iocinfo struct @ %p\n", 11231da177e4SLinus Torvalds __FILE__, __LINE__, uarg); 11241da177e4SLinus Torvalds kfree(karg); 11251da177e4SLinus Torvalds return -EFAULT; 11261da177e4SLinus Torvalds } 11271da177e4SLinus Torvalds 11281da177e4SLinus Torvalds if (((iocnum = mpt_verify_adapter(karg->hdr.iocnum, &ioc)) < 0) || 11291da177e4SLinus Torvalds (ioc == NULL)) { 11301da177e4SLinus Torvalds dctlprintk((KERN_ERR "%s::mptctl_getiocinfo() @%d - ioc%d not found!\n", 11311da177e4SLinus Torvalds __FILE__, __LINE__, iocnum)); 11321da177e4SLinus Torvalds kfree(karg); 11331da177e4SLinus Torvalds return -ENODEV; 11341da177e4SLinus Torvalds } 11351da177e4SLinus Torvalds 1136b6fe4ddcSMoore, Eric Dean /* Verify the data transfer size is correct. */ 11371da177e4SLinus Torvalds if (karg->hdr.maxDataSize != data_size) { 11381da177e4SLinus Torvalds printk(KERN_ERR "%s@%d::mptctl_getiocinfo - " 11391da177e4SLinus Torvalds "Structure size mismatch. Command not completed.\n", 11401da177e4SLinus Torvalds __FILE__, __LINE__); 11411da177e4SLinus Torvalds kfree(karg); 11421da177e4SLinus Torvalds return -EFAULT; 11431da177e4SLinus Torvalds } 11441da177e4SLinus Torvalds 11451da177e4SLinus Torvalds /* Fill in the data and return the structure to the calling 11461da177e4SLinus Torvalds * program 11471da177e4SLinus Torvalds */ 11481da177e4SLinus Torvalds if (ioc->bus_type == FC) 11491da177e4SLinus Torvalds karg->adapterType = MPT_IOCTL_INTERFACE_FC; 11501da177e4SLinus Torvalds else 11511da177e4SLinus Torvalds karg->adapterType = MPT_IOCTL_INTERFACE_SCSI; 11521da177e4SLinus Torvalds 1153b6fe4ddcSMoore, Eric Dean if (karg->hdr.port > 1) 1154b6fe4ddcSMoore, Eric Dean return -EINVAL; 11551da177e4SLinus Torvalds port = karg->hdr.port; 11561da177e4SLinus Torvalds 11571da177e4SLinus Torvalds karg->port = port; 11581da177e4SLinus Torvalds pdev = (struct pci_dev *) ioc->pcidev; 11591da177e4SLinus Torvalds 11601da177e4SLinus Torvalds karg->pciId = pdev->device; 11611da177e4SLinus Torvalds pci_read_config_byte(pdev, PCI_CLASS_REVISION, &revision); 11621da177e4SLinus Torvalds karg->hwRev = revision; 11631da177e4SLinus Torvalds karg->subSystemDevice = pdev->subsystem_device; 11641da177e4SLinus Torvalds karg->subSystemVendor = pdev->subsystem_vendor; 11651da177e4SLinus Torvalds 11661da177e4SLinus Torvalds if (cim_rev == 1) { 11671da177e4SLinus Torvalds /* Get the PCI bus, device, and function numbers for the IOC 11681da177e4SLinus Torvalds */ 11691da177e4SLinus Torvalds karg->pciInfo.u.bits.busNumber = pdev->bus->number; 11701da177e4SLinus Torvalds karg->pciInfo.u.bits.deviceNumber = PCI_SLOT( pdev->devfn ); 11711da177e4SLinus Torvalds karg->pciInfo.u.bits.functionNumber = PCI_FUNC( pdev->devfn ); 11721da177e4SLinus Torvalds } else if (cim_rev == 2) { 11731da177e4SLinus Torvalds /* Get the PCI bus, device, function and segment ID numbers 11741da177e4SLinus Torvalds for the IOC */ 11751da177e4SLinus Torvalds karg->pciInfo.u.bits.busNumber = pdev->bus->number; 11761da177e4SLinus Torvalds karg->pciInfo.u.bits.deviceNumber = PCI_SLOT( pdev->devfn ); 11771da177e4SLinus Torvalds karg->pciInfo.u.bits.functionNumber = PCI_FUNC( pdev->devfn ); 11781da177e4SLinus Torvalds karg->pciInfo.u.bits.functionNumber = PCI_FUNC( pdev->devfn ); 11791da177e4SLinus Torvalds karg->pciInfo.segmentID = pci_domain_nr(pdev->bus); 11801da177e4SLinus Torvalds } 11811da177e4SLinus Torvalds 11821da177e4SLinus Torvalds /* Get number of devices 11831da177e4SLinus Torvalds */ 11841da177e4SLinus Torvalds if ((sh = ioc->sh) != NULL) { 11851da177e4SLinus Torvalds /* sh->max_id = maximum target ID + 1 11861da177e4SLinus Torvalds */ 11871da177e4SLinus Torvalds max_id = sh->max_id - 1; 11881da177e4SLinus Torvalds hd = (MPT_SCSI_HOST *) sh->hostdata; 11891da177e4SLinus Torvalds 11901da177e4SLinus Torvalds /* Check all of the target structures and 11911da177e4SLinus Torvalds * keep a counter. 11921da177e4SLinus Torvalds */ 11931da177e4SLinus Torvalds if (hd && hd->Targets) { 11941da177e4SLinus Torvalds for (ii = 0; ii <= max_id; ii++) { 11951da177e4SLinus Torvalds if (hd->Targets[ii]) 11961da177e4SLinus Torvalds numDevices++; 11971da177e4SLinus Torvalds } 11981da177e4SLinus Torvalds } 11991da177e4SLinus Torvalds } 12001da177e4SLinus Torvalds karg->numDevices = numDevices; 12011da177e4SLinus Torvalds 12021da177e4SLinus Torvalds /* Set the BIOS and FW Version 12031da177e4SLinus Torvalds */ 12041da177e4SLinus Torvalds karg->FWVersion = ioc->facts.FWVersion.Word; 12051da177e4SLinus Torvalds karg->BIOSVersion = ioc->biosVersion; 12061da177e4SLinus Torvalds 12071da177e4SLinus Torvalds /* Set the Version Strings. 12081da177e4SLinus Torvalds */ 12091da177e4SLinus Torvalds strncpy (karg->driverVersion, MPT_LINUX_PACKAGE_NAME, MPT_IOCTL_VERSION_LENGTH); 12101da177e4SLinus Torvalds karg->driverVersion[MPT_IOCTL_VERSION_LENGTH-1]='\0'; 12111da177e4SLinus Torvalds 12121da177e4SLinus Torvalds karg->busChangeEvent = 0; 12131da177e4SLinus Torvalds karg->hostId = ioc->pfacts[port].PortSCSIID; 12141da177e4SLinus Torvalds karg->rsvd[0] = karg->rsvd[1] = 0; 12151da177e4SLinus Torvalds 12161da177e4SLinus Torvalds /* Copy the data from kernel memory to user memory 12171da177e4SLinus Torvalds */ 12181da177e4SLinus Torvalds if (copy_to_user((char __user *)arg, karg, data_size)) { 12191da177e4SLinus Torvalds printk(KERN_ERR "%s@%d::mptctl_getiocinfo - " 12201da177e4SLinus Torvalds "Unable to write out mpt_ioctl_iocinfo struct @ %p\n", 12211da177e4SLinus Torvalds __FILE__, __LINE__, uarg); 12221da177e4SLinus Torvalds kfree(karg); 12231da177e4SLinus Torvalds return -EFAULT; 12241da177e4SLinus Torvalds } 12251da177e4SLinus Torvalds 12261da177e4SLinus Torvalds kfree(karg); 12271da177e4SLinus Torvalds return 0; 12281da177e4SLinus Torvalds } 12291da177e4SLinus Torvalds 12301da177e4SLinus Torvalds /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 12311da177e4SLinus Torvalds /* 12321da177e4SLinus Torvalds * mptctl_gettargetinfo - Query the host adapter for target information. 12331da177e4SLinus Torvalds * @arg: User space argument 12341da177e4SLinus Torvalds * 12351da177e4SLinus Torvalds * Outputs: None. 12361da177e4SLinus Torvalds * Return: 0 if successful 12371da177e4SLinus Torvalds * -EFAULT if data unavailable 12381da177e4SLinus Torvalds * -ENODEV if no such device/adapter 12391da177e4SLinus Torvalds */ 12401da177e4SLinus Torvalds static int 12411da177e4SLinus Torvalds mptctl_gettargetinfo (unsigned long arg) 12421da177e4SLinus Torvalds { 12431da177e4SLinus Torvalds struct mpt_ioctl_targetinfo __user *uarg = (void __user *) arg; 12441da177e4SLinus Torvalds struct mpt_ioctl_targetinfo karg; 12451da177e4SLinus Torvalds MPT_ADAPTER *ioc; 12461da177e4SLinus Torvalds struct Scsi_Host *sh; 12471da177e4SLinus Torvalds MPT_SCSI_HOST *hd; 1248*c7c82987SMoore, Eric Dean VirtTarget *vdev; 12491da177e4SLinus Torvalds char *pmem; 12501da177e4SLinus Torvalds int *pdata; 12511da177e4SLinus Torvalds IOCPage2_t *pIoc2; 12521da177e4SLinus Torvalds IOCPage3_t *pIoc3; 12531da177e4SLinus Torvalds int iocnum; 12541da177e4SLinus Torvalds int numDevices = 0; 12551da177e4SLinus Torvalds unsigned int max_id; 12561da177e4SLinus Torvalds int id, jj, indexed_lun, lun_index; 12571da177e4SLinus Torvalds u32 lun; 12581da177e4SLinus Torvalds int maxWordsLeft; 12591da177e4SLinus Torvalds int numBytes; 12601da177e4SLinus Torvalds u8 port, devType, bus_id; 12611da177e4SLinus Torvalds 12621da177e4SLinus Torvalds dctlprintk(("mptctl_gettargetinfo called.\n")); 12631da177e4SLinus Torvalds if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_targetinfo))) { 12641da177e4SLinus Torvalds printk(KERN_ERR "%s@%d::mptctl_gettargetinfo - " 12651da177e4SLinus Torvalds "Unable to read in mpt_ioctl_targetinfo struct @ %p\n", 12661da177e4SLinus Torvalds __FILE__, __LINE__, uarg); 12671da177e4SLinus Torvalds return -EFAULT; 12681da177e4SLinus Torvalds } 12691da177e4SLinus Torvalds 12701da177e4SLinus Torvalds if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || 12711da177e4SLinus Torvalds (ioc == NULL)) { 12721da177e4SLinus Torvalds dctlprintk((KERN_ERR "%s::mptctl_gettargetinfo() @%d - ioc%d not found!\n", 12731da177e4SLinus Torvalds __FILE__, __LINE__, iocnum)); 12741da177e4SLinus Torvalds return -ENODEV; 12751da177e4SLinus Torvalds } 12761da177e4SLinus Torvalds 12771da177e4SLinus Torvalds /* Get the port number and set the maximum number of bytes 12781da177e4SLinus Torvalds * in the returned structure. 12791da177e4SLinus Torvalds * Ignore the port setting. 12801da177e4SLinus Torvalds */ 12811da177e4SLinus Torvalds numBytes = karg.hdr.maxDataSize - sizeof(mpt_ioctl_header); 12821da177e4SLinus Torvalds maxWordsLeft = numBytes/sizeof(int); 12831da177e4SLinus Torvalds port = karg.hdr.port; 12841da177e4SLinus Torvalds 12851da177e4SLinus Torvalds if (maxWordsLeft <= 0) { 12861da177e4SLinus Torvalds printk(KERN_ERR "%s::mptctl_gettargetinfo() @%d - no memory available!\n", 12871da177e4SLinus Torvalds __FILE__, __LINE__); 12881da177e4SLinus Torvalds return -ENOMEM; 12891da177e4SLinus Torvalds } 12901da177e4SLinus Torvalds 12911da177e4SLinus Torvalds /* Fill in the data and return the structure to the calling 12921da177e4SLinus Torvalds * program 12931da177e4SLinus Torvalds */ 12941da177e4SLinus Torvalds 12951da177e4SLinus Torvalds /* struct mpt_ioctl_targetinfo does not contain sufficient space 12961da177e4SLinus Torvalds * for the target structures so when the IOCTL is called, there is 12971da177e4SLinus Torvalds * not sufficient stack space for the structure. Allocate memory, 12981da177e4SLinus Torvalds * populate the memory, copy back to the user, then free memory. 12991da177e4SLinus Torvalds * targetInfo format: 13001da177e4SLinus Torvalds * bits 31-24: reserved 13011da177e4SLinus Torvalds * 23-16: LUN 13021da177e4SLinus Torvalds * 15- 8: Bus Number 13031da177e4SLinus Torvalds * 7- 0: Target ID 13041da177e4SLinus Torvalds */ 13051da177e4SLinus Torvalds pmem = kmalloc(numBytes, GFP_KERNEL); 13061da177e4SLinus Torvalds if (pmem == NULL) { 13071da177e4SLinus Torvalds printk(KERN_ERR "%s::mptctl_gettargetinfo() @%d - no memory available!\n", 13081da177e4SLinus Torvalds __FILE__, __LINE__); 13091da177e4SLinus Torvalds return -ENOMEM; 13101da177e4SLinus Torvalds } 13111da177e4SLinus Torvalds memset(pmem, 0, numBytes); 13121da177e4SLinus Torvalds pdata = (int *) pmem; 13131da177e4SLinus Torvalds 13141da177e4SLinus Torvalds /* Get number of devices 13151da177e4SLinus Torvalds */ 13161da177e4SLinus Torvalds if ((sh = ioc->sh) != NULL) { 13171da177e4SLinus Torvalds 13181da177e4SLinus Torvalds max_id = sh->max_id - 1; 13191da177e4SLinus Torvalds hd = (MPT_SCSI_HOST *) sh->hostdata; 13201da177e4SLinus Torvalds 13211da177e4SLinus Torvalds /* Check all of the target structures. 13221da177e4SLinus Torvalds * Save the Id and increment the counter, 13231da177e4SLinus Torvalds * if ptr non-null. 13241da177e4SLinus Torvalds * sh->max_id = maximum target ID + 1 13251da177e4SLinus Torvalds */ 13261da177e4SLinus Torvalds if (hd && hd->Targets) { 13271da177e4SLinus Torvalds mpt_findImVolumes(ioc); 1328466544d8SMoore, Eric Dean pIoc2 = ioc->raid_data.pIocPg2; 13291da177e4SLinus Torvalds for ( id = 0; id <= max_id; ) { 13301da177e4SLinus Torvalds if ( pIoc2 && pIoc2->NumActiveVolumes ) { 13311da177e4SLinus Torvalds if ( id == pIoc2->RaidVolume[0].VolumeID ) { 13321da177e4SLinus Torvalds if (maxWordsLeft <= 0) { 13331da177e4SLinus Torvalds printk(KERN_ERR "mptctl_gettargetinfo - " 13341da177e4SLinus Torvalds "buffer is full but volume is available on ioc %d\n, numDevices=%d", iocnum, numDevices); 13351da177e4SLinus Torvalds goto data_space_full; 13361da177e4SLinus Torvalds } 13371da177e4SLinus Torvalds if ( ( pIoc2->RaidVolume[0].Flags & MPI_IOCPAGE2_FLAG_VOLUME_INACTIVE ) == 0 ) 13381da177e4SLinus Torvalds devType = 0x80; 13391da177e4SLinus Torvalds else 13401da177e4SLinus Torvalds devType = 0xC0; 13411da177e4SLinus Torvalds bus_id = pIoc2->RaidVolume[0].VolumeBus; 13421da177e4SLinus Torvalds numDevices++; 13431da177e4SLinus Torvalds *pdata = ( (devType << 24) | (bus_id << 8) | id ); 13441da177e4SLinus Torvalds dctlprintk((KERN_ERR "mptctl_gettargetinfo - " 13451da177e4SLinus Torvalds "volume ioc=%d target=%x numDevices=%d pdata=%p\n", iocnum, *pdata, numDevices, pdata)); 13461da177e4SLinus Torvalds pdata++; 13471da177e4SLinus Torvalds --maxWordsLeft; 13481da177e4SLinus Torvalds goto next_id; 13491da177e4SLinus Torvalds } else { 1350466544d8SMoore, Eric Dean pIoc3 = ioc->raid_data.pIocPg3; 13511da177e4SLinus Torvalds for ( jj = 0; jj < pIoc3->NumPhysDisks; jj++ ) { 13521da177e4SLinus Torvalds if ( pIoc3->PhysDisk[jj].PhysDiskID == id ) 13531da177e4SLinus Torvalds goto next_id; 13541da177e4SLinus Torvalds } 13551da177e4SLinus Torvalds } 13561da177e4SLinus Torvalds } 13571da177e4SLinus Torvalds if ( (vdev = hd->Targets[id]) ) { 13581da177e4SLinus Torvalds for (jj = 0; jj <= MPT_LAST_LUN; jj++) { 13591da177e4SLinus Torvalds lun_index = (jj >> 5); 13601da177e4SLinus Torvalds indexed_lun = (jj % 32); 13611da177e4SLinus Torvalds lun = (1 << indexed_lun); 13621da177e4SLinus Torvalds if (vdev->luns[lun_index] & lun) { 13631da177e4SLinus Torvalds if (maxWordsLeft <= 0) { 13641da177e4SLinus Torvalds printk(KERN_ERR "mptctl_gettargetinfo - " 13651da177e4SLinus Torvalds "buffer is full but more targets are available on ioc %d numDevices=%d\n", iocnum, numDevices); 13661da177e4SLinus Torvalds goto data_space_full; 13671da177e4SLinus Torvalds } 13681da177e4SLinus Torvalds bus_id = vdev->bus_id; 13691da177e4SLinus Torvalds numDevices++; 13701da177e4SLinus Torvalds *pdata = ( (jj << 16) | (bus_id << 8) | id ); 13711da177e4SLinus Torvalds dctlprintk((KERN_ERR "mptctl_gettargetinfo - " 13721da177e4SLinus Torvalds "target ioc=%d target=%x numDevices=%d pdata=%p\n", iocnum, *pdata, numDevices, pdata)); 13731da177e4SLinus Torvalds pdata++; 13741da177e4SLinus Torvalds --maxWordsLeft; 13751da177e4SLinus Torvalds } 13761da177e4SLinus Torvalds } 13771da177e4SLinus Torvalds } 13781da177e4SLinus Torvalds next_id: 13791da177e4SLinus Torvalds id++; 13801da177e4SLinus Torvalds } 13811da177e4SLinus Torvalds } 13821da177e4SLinus Torvalds } 13831da177e4SLinus Torvalds data_space_full: 13841da177e4SLinus Torvalds karg.numDevices = numDevices; 13851da177e4SLinus Torvalds 13861da177e4SLinus Torvalds /* Copy part of the data from kernel memory to user memory 13871da177e4SLinus Torvalds */ 13881da177e4SLinus Torvalds if (copy_to_user((char __user *)arg, &karg, 13891da177e4SLinus Torvalds sizeof(struct mpt_ioctl_targetinfo))) { 13901da177e4SLinus Torvalds printk(KERN_ERR "%s@%d::mptctl_gettargetinfo - " 13911da177e4SLinus Torvalds "Unable to write out mpt_ioctl_targetinfo struct @ %p\n", 13921da177e4SLinus Torvalds __FILE__, __LINE__, uarg); 13931da177e4SLinus Torvalds kfree(pmem); 13941da177e4SLinus Torvalds return -EFAULT; 13951da177e4SLinus Torvalds } 13961da177e4SLinus Torvalds 13971da177e4SLinus Torvalds /* Copy the remaining data from kernel memory to user memory 13981da177e4SLinus Torvalds */ 13991da177e4SLinus Torvalds if (copy_to_user(uarg->targetInfo, pmem, numBytes)) { 14001da177e4SLinus Torvalds printk(KERN_ERR "%s@%d::mptctl_gettargetinfo - " 14011da177e4SLinus Torvalds "Unable to write out mpt_ioctl_targetinfo struct @ %p\n", 14021da177e4SLinus Torvalds __FILE__, __LINE__, pdata); 14031da177e4SLinus Torvalds kfree(pmem); 14041da177e4SLinus Torvalds return -EFAULT; 14051da177e4SLinus Torvalds } 14061da177e4SLinus Torvalds 14071da177e4SLinus Torvalds kfree(pmem); 14081da177e4SLinus Torvalds 14091da177e4SLinus Torvalds return 0; 14101da177e4SLinus Torvalds } 14111da177e4SLinus Torvalds 14121da177e4SLinus Torvalds /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 14131da177e4SLinus Torvalds /* MPT IOCTL Test function. 14141da177e4SLinus Torvalds * 14151da177e4SLinus Torvalds * Outputs: None. 14161da177e4SLinus Torvalds * Return: 0 if successful 14171da177e4SLinus Torvalds * -EFAULT if data unavailable 14181da177e4SLinus Torvalds * -ENODEV if no such device/adapter 14191da177e4SLinus Torvalds */ 14201da177e4SLinus Torvalds static int 14211da177e4SLinus Torvalds mptctl_readtest (unsigned long arg) 14221da177e4SLinus Torvalds { 14231da177e4SLinus Torvalds struct mpt_ioctl_test __user *uarg = (void __user *) arg; 14241da177e4SLinus Torvalds struct mpt_ioctl_test karg; 14251da177e4SLinus Torvalds MPT_ADAPTER *ioc; 14261da177e4SLinus Torvalds int iocnum; 14271da177e4SLinus Torvalds 14281da177e4SLinus Torvalds dctlprintk(("mptctl_readtest called.\n")); 14291da177e4SLinus Torvalds if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_test))) { 14301da177e4SLinus Torvalds printk(KERN_ERR "%s@%d::mptctl_readtest - " 14311da177e4SLinus Torvalds "Unable to read in mpt_ioctl_test struct @ %p\n", 14321da177e4SLinus Torvalds __FILE__, __LINE__, uarg); 14331da177e4SLinus Torvalds return -EFAULT; 14341da177e4SLinus Torvalds } 14351da177e4SLinus Torvalds 14361da177e4SLinus Torvalds if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || 14371da177e4SLinus Torvalds (ioc == NULL)) { 14381da177e4SLinus Torvalds dctlprintk((KERN_ERR "%s::mptctl_readtest() @%d - ioc%d not found!\n", 14391da177e4SLinus Torvalds __FILE__, __LINE__, iocnum)); 14401da177e4SLinus Torvalds return -ENODEV; 14411da177e4SLinus Torvalds } 14421da177e4SLinus Torvalds 14431da177e4SLinus Torvalds /* Fill in the data and return the structure to the calling 14441da177e4SLinus Torvalds * program 14451da177e4SLinus Torvalds */ 14461da177e4SLinus Torvalds 14471da177e4SLinus Torvalds #ifdef MFCNT 14481da177e4SLinus Torvalds karg.chip_type = ioc->mfcnt; 14491da177e4SLinus Torvalds #else 14501da177e4SLinus Torvalds karg.chip_type = ioc->pcidev->device; 14511da177e4SLinus Torvalds #endif 14521da177e4SLinus Torvalds strncpy (karg.name, ioc->name, MPT_MAX_NAME); 14531da177e4SLinus Torvalds karg.name[MPT_MAX_NAME-1]='\0'; 14541da177e4SLinus Torvalds strncpy (karg.product, ioc->prod_name, MPT_PRODUCT_LENGTH); 14551da177e4SLinus Torvalds karg.product[MPT_PRODUCT_LENGTH-1]='\0'; 14561da177e4SLinus Torvalds 14571da177e4SLinus Torvalds /* Copy the data from kernel memory to user memory 14581da177e4SLinus Torvalds */ 14591da177e4SLinus Torvalds if (copy_to_user((char __user *)arg, &karg, sizeof(struct mpt_ioctl_test))) { 14601da177e4SLinus Torvalds printk(KERN_ERR "%s@%d::mptctl_readtest - " 14611da177e4SLinus Torvalds "Unable to write out mpt_ioctl_test struct @ %p\n", 14621da177e4SLinus Torvalds __FILE__, __LINE__, uarg); 14631da177e4SLinus Torvalds return -EFAULT; 14641da177e4SLinus Torvalds } 14651da177e4SLinus Torvalds 14661da177e4SLinus Torvalds return 0; 14671da177e4SLinus Torvalds } 14681da177e4SLinus Torvalds 14691da177e4SLinus Torvalds /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 14701da177e4SLinus Torvalds /* 14711da177e4SLinus Torvalds * mptctl_eventquery - Query the host adapter for the event types 14721da177e4SLinus Torvalds * that are being logged. 14731da177e4SLinus Torvalds * @arg: User space argument 14741da177e4SLinus Torvalds * 14751da177e4SLinus Torvalds * Outputs: None. 14761da177e4SLinus Torvalds * Return: 0 if successful 14771da177e4SLinus Torvalds * -EFAULT if data unavailable 14781da177e4SLinus Torvalds * -ENODEV if no such device/adapter 14791da177e4SLinus Torvalds */ 14801da177e4SLinus Torvalds static int 14811da177e4SLinus Torvalds mptctl_eventquery (unsigned long arg) 14821da177e4SLinus Torvalds { 14831da177e4SLinus Torvalds struct mpt_ioctl_eventquery __user *uarg = (void __user *) arg; 14841da177e4SLinus Torvalds struct mpt_ioctl_eventquery karg; 14851da177e4SLinus Torvalds MPT_ADAPTER *ioc; 14861da177e4SLinus Torvalds int iocnum; 14871da177e4SLinus Torvalds 14881da177e4SLinus Torvalds dctlprintk(("mptctl_eventquery called.\n")); 14891da177e4SLinus Torvalds if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventquery))) { 14901da177e4SLinus Torvalds printk(KERN_ERR "%s@%d::mptctl_eventquery - " 14911da177e4SLinus Torvalds "Unable to read in mpt_ioctl_eventquery struct @ %p\n", 14921da177e4SLinus Torvalds __FILE__, __LINE__, uarg); 14931da177e4SLinus Torvalds return -EFAULT; 14941da177e4SLinus Torvalds } 14951da177e4SLinus Torvalds 14961da177e4SLinus Torvalds if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || 14971da177e4SLinus Torvalds (ioc == NULL)) { 14981da177e4SLinus Torvalds dctlprintk((KERN_ERR "%s::mptctl_eventquery() @%d - ioc%d not found!\n", 14991da177e4SLinus Torvalds __FILE__, __LINE__, iocnum)); 15001da177e4SLinus Torvalds return -ENODEV; 15011da177e4SLinus Torvalds } 15021da177e4SLinus Torvalds 15031da177e4SLinus Torvalds karg.eventEntries = ioc->eventLogSize; 15041da177e4SLinus Torvalds karg.eventTypes = ioc->eventTypes; 15051da177e4SLinus Torvalds 15061da177e4SLinus Torvalds /* Copy the data from kernel memory to user memory 15071da177e4SLinus Torvalds */ 15081da177e4SLinus Torvalds if (copy_to_user((char __user *)arg, &karg, sizeof(struct mpt_ioctl_eventquery))) { 15091da177e4SLinus Torvalds printk(KERN_ERR "%s@%d::mptctl_eventquery - " 15101da177e4SLinus Torvalds "Unable to write out mpt_ioctl_eventquery struct @ %p\n", 15111da177e4SLinus Torvalds __FILE__, __LINE__, uarg); 15121da177e4SLinus Torvalds return -EFAULT; 15131da177e4SLinus Torvalds } 15141da177e4SLinus Torvalds return 0; 15151da177e4SLinus Torvalds } 15161da177e4SLinus Torvalds 15171da177e4SLinus Torvalds /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 15181da177e4SLinus Torvalds static int 15191da177e4SLinus Torvalds mptctl_eventenable (unsigned long arg) 15201da177e4SLinus Torvalds { 15211da177e4SLinus Torvalds struct mpt_ioctl_eventenable __user *uarg = (void __user *) arg; 15221da177e4SLinus Torvalds struct mpt_ioctl_eventenable karg; 15231da177e4SLinus Torvalds MPT_ADAPTER *ioc; 15241da177e4SLinus Torvalds int iocnum; 15251da177e4SLinus Torvalds 15261da177e4SLinus Torvalds dctlprintk(("mptctl_eventenable called.\n")); 15271da177e4SLinus Torvalds if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventenable))) { 15281da177e4SLinus Torvalds printk(KERN_ERR "%s@%d::mptctl_eventenable - " 15291da177e4SLinus Torvalds "Unable to read in mpt_ioctl_eventenable struct @ %p\n", 15301da177e4SLinus Torvalds __FILE__, __LINE__, uarg); 15311da177e4SLinus Torvalds return -EFAULT; 15321da177e4SLinus Torvalds } 15331da177e4SLinus Torvalds 15341da177e4SLinus Torvalds if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || 15351da177e4SLinus Torvalds (ioc == NULL)) { 15361da177e4SLinus Torvalds dctlprintk((KERN_ERR "%s::mptctl_eventenable() @%d - ioc%d not found!\n", 15371da177e4SLinus Torvalds __FILE__, __LINE__, iocnum)); 15381da177e4SLinus Torvalds return -ENODEV; 15391da177e4SLinus Torvalds } 15401da177e4SLinus Torvalds 15411da177e4SLinus Torvalds if (ioc->events == NULL) { 15421da177e4SLinus Torvalds /* Have not yet allocated memory - do so now. 15431da177e4SLinus Torvalds */ 15441da177e4SLinus Torvalds int sz = MPTCTL_EVENT_LOG_SIZE * sizeof(MPT_IOCTL_EVENTS); 15451da177e4SLinus Torvalds ioc->events = kmalloc(sz, GFP_KERNEL); 15461da177e4SLinus Torvalds if (ioc->events == NULL) { 15471da177e4SLinus Torvalds printk(KERN_ERR MYNAM ": ERROR - Insufficient memory to add adapter!\n"); 15481da177e4SLinus Torvalds return -ENOMEM; 15491da177e4SLinus Torvalds } 15501da177e4SLinus Torvalds memset(ioc->events, 0, sz); 15511da177e4SLinus Torvalds ioc->alloc_total += sz; 15521da177e4SLinus Torvalds 15531da177e4SLinus Torvalds ioc->eventLogSize = MPTCTL_EVENT_LOG_SIZE; 15541da177e4SLinus Torvalds ioc->eventContext = 0; 15551da177e4SLinus Torvalds } 15561da177e4SLinus Torvalds 15571da177e4SLinus Torvalds /* Update the IOC event logging flag. 15581da177e4SLinus Torvalds */ 15591da177e4SLinus Torvalds ioc->eventTypes = karg.eventTypes; 15601da177e4SLinus Torvalds 15611da177e4SLinus Torvalds return 0; 15621da177e4SLinus Torvalds } 15631da177e4SLinus Torvalds 15641da177e4SLinus Torvalds /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 15651da177e4SLinus Torvalds static int 15661da177e4SLinus Torvalds mptctl_eventreport (unsigned long arg) 15671da177e4SLinus Torvalds { 15681da177e4SLinus Torvalds struct mpt_ioctl_eventreport __user *uarg = (void __user *) arg; 15691da177e4SLinus Torvalds struct mpt_ioctl_eventreport karg; 15701da177e4SLinus Torvalds MPT_ADAPTER *ioc; 15711da177e4SLinus Torvalds int iocnum; 15721da177e4SLinus Torvalds int numBytes, maxEvents, max; 15731da177e4SLinus Torvalds 15741da177e4SLinus Torvalds dctlprintk(("mptctl_eventreport called.\n")); 15751da177e4SLinus Torvalds if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventreport))) { 15761da177e4SLinus Torvalds printk(KERN_ERR "%s@%d::mptctl_eventreport - " 15771da177e4SLinus Torvalds "Unable to read in mpt_ioctl_eventreport struct @ %p\n", 15781da177e4SLinus Torvalds __FILE__, __LINE__, uarg); 15791da177e4SLinus Torvalds return -EFAULT; 15801da177e4SLinus Torvalds } 15811da177e4SLinus Torvalds 15821da177e4SLinus Torvalds if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || 15831da177e4SLinus Torvalds (ioc == NULL)) { 15841da177e4SLinus Torvalds dctlprintk((KERN_ERR "%s::mptctl_eventreport() @%d - ioc%d not found!\n", 15851da177e4SLinus Torvalds __FILE__, __LINE__, iocnum)); 15861da177e4SLinus Torvalds return -ENODEV; 15871da177e4SLinus Torvalds } 15881da177e4SLinus Torvalds 15891da177e4SLinus Torvalds numBytes = karg.hdr.maxDataSize - sizeof(mpt_ioctl_header); 15901da177e4SLinus Torvalds maxEvents = numBytes/sizeof(MPT_IOCTL_EVENTS); 15911da177e4SLinus Torvalds 15921da177e4SLinus Torvalds 15931da177e4SLinus Torvalds max = ioc->eventLogSize < maxEvents ? ioc->eventLogSize : maxEvents; 15941da177e4SLinus Torvalds 15951da177e4SLinus Torvalds /* If fewer than 1 event is requested, there must have 15961da177e4SLinus Torvalds * been some type of error. 15971da177e4SLinus Torvalds */ 15981da177e4SLinus Torvalds if ((max < 1) || !ioc->events) 15991da177e4SLinus Torvalds return -ENODATA; 16001da177e4SLinus Torvalds 16011da177e4SLinus Torvalds /* Copy the data from kernel memory to user memory 16021da177e4SLinus Torvalds */ 16031da177e4SLinus Torvalds numBytes = max * sizeof(MPT_IOCTL_EVENTS); 16041da177e4SLinus Torvalds if (copy_to_user(uarg->eventData, ioc->events, numBytes)) { 16051da177e4SLinus Torvalds printk(KERN_ERR "%s@%d::mptctl_eventreport - " 16061da177e4SLinus Torvalds "Unable to write out mpt_ioctl_eventreport struct @ %p\n", 16071da177e4SLinus Torvalds __FILE__, __LINE__, ioc->events); 16081da177e4SLinus Torvalds return -EFAULT; 16091da177e4SLinus Torvalds } 16101da177e4SLinus Torvalds 16111da177e4SLinus Torvalds return 0; 16121da177e4SLinus Torvalds } 16131da177e4SLinus Torvalds 16141da177e4SLinus Torvalds /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 16151da177e4SLinus Torvalds static int 16161da177e4SLinus Torvalds mptctl_replace_fw (unsigned long arg) 16171da177e4SLinus Torvalds { 16181da177e4SLinus Torvalds struct mpt_ioctl_replace_fw __user *uarg = (void __user *) arg; 16191da177e4SLinus Torvalds struct mpt_ioctl_replace_fw karg; 16201da177e4SLinus Torvalds MPT_ADAPTER *ioc; 16211da177e4SLinus Torvalds int iocnum; 16221da177e4SLinus Torvalds int newFwSize; 16231da177e4SLinus Torvalds 16241da177e4SLinus Torvalds dctlprintk(("mptctl_replace_fw called.\n")); 16251da177e4SLinus Torvalds if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_replace_fw))) { 16261da177e4SLinus Torvalds printk(KERN_ERR "%s@%d::mptctl_replace_fw - " 16271da177e4SLinus Torvalds "Unable to read in mpt_ioctl_replace_fw struct @ %p\n", 16281da177e4SLinus Torvalds __FILE__, __LINE__, uarg); 16291da177e4SLinus Torvalds return -EFAULT; 16301da177e4SLinus Torvalds } 16311da177e4SLinus Torvalds 16321da177e4SLinus Torvalds if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || 16331da177e4SLinus Torvalds (ioc == NULL)) { 16341da177e4SLinus Torvalds dctlprintk((KERN_ERR "%s::mptctl_replace_fw() @%d - ioc%d not found!\n", 16351da177e4SLinus Torvalds __FILE__, __LINE__, iocnum)); 16361da177e4SLinus Torvalds return -ENODEV; 16371da177e4SLinus Torvalds } 16381da177e4SLinus Torvalds 16391da177e4SLinus Torvalds /* If caching FW, Free the old FW image 16401da177e4SLinus Torvalds */ 16411da177e4SLinus Torvalds if (ioc->cached_fw == NULL) 16421da177e4SLinus Torvalds return 0; 16431da177e4SLinus Torvalds 16441da177e4SLinus Torvalds mpt_free_fw_memory(ioc); 16451da177e4SLinus Torvalds 16461da177e4SLinus Torvalds /* Allocate memory for the new FW image 16471da177e4SLinus Torvalds */ 16481da177e4SLinus Torvalds newFwSize = karg.newImageSize; 16491da177e4SLinus Torvalds 16501da177e4SLinus Torvalds if (newFwSize & 0x01) 16511da177e4SLinus Torvalds newFwSize += 1; 16521da177e4SLinus Torvalds if (newFwSize & 0x02) 16531da177e4SLinus Torvalds newFwSize += 2; 16541da177e4SLinus Torvalds 16551da177e4SLinus Torvalds mpt_alloc_fw_memory(ioc, newFwSize); 16561da177e4SLinus Torvalds if (ioc->cached_fw == NULL) 16571da177e4SLinus Torvalds return -ENOMEM; 16581da177e4SLinus Torvalds 16591da177e4SLinus Torvalds /* Copy the data from user memory to kernel space 16601da177e4SLinus Torvalds */ 16611da177e4SLinus Torvalds if (copy_from_user(ioc->cached_fw, uarg->newImage, newFwSize)) { 16621da177e4SLinus Torvalds printk(KERN_ERR "%s@%d::mptctl_replace_fw - " 16631da177e4SLinus Torvalds "Unable to read in mpt_ioctl_replace_fw image " 16641da177e4SLinus Torvalds "@ %p\n", __FILE__, __LINE__, uarg); 16651da177e4SLinus Torvalds mpt_free_fw_memory(ioc); 16661da177e4SLinus Torvalds return -EFAULT; 16671da177e4SLinus Torvalds } 16681da177e4SLinus Torvalds 16691da177e4SLinus Torvalds /* Update IOCFactsReply 16701da177e4SLinus Torvalds */ 16711da177e4SLinus Torvalds ioc->facts.FWImageSize = newFwSize; 16721da177e4SLinus Torvalds return 0; 16731da177e4SLinus Torvalds } 16741da177e4SLinus Torvalds 16751da177e4SLinus Torvalds /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 16761da177e4SLinus Torvalds /* MPT IOCTL MPTCOMMAND function. 16771da177e4SLinus Torvalds * Cast the arg into the mpt_ioctl_mpt_command structure. 16781da177e4SLinus Torvalds * 16791da177e4SLinus Torvalds * Outputs: None. 16801da177e4SLinus Torvalds * Return: 0 if successful 16811da177e4SLinus Torvalds * -EBUSY if previous command timout and IOC reset is not complete. 16821da177e4SLinus Torvalds * -EFAULT if data unavailable 16831da177e4SLinus Torvalds * -ENODEV if no such device/adapter 16841da177e4SLinus Torvalds * -ETIME if timer expires 16851da177e4SLinus Torvalds * -ENOMEM if memory allocation error 16861da177e4SLinus Torvalds */ 16871da177e4SLinus Torvalds static int 16881da177e4SLinus Torvalds mptctl_mpt_command (unsigned long arg) 16891da177e4SLinus Torvalds { 16901da177e4SLinus Torvalds struct mpt_ioctl_command __user *uarg = (void __user *) arg; 16911da177e4SLinus Torvalds struct mpt_ioctl_command karg; 16921da177e4SLinus Torvalds MPT_ADAPTER *ioc; 16931da177e4SLinus Torvalds int iocnum; 16941da177e4SLinus Torvalds int rc; 16951da177e4SLinus Torvalds 16961da177e4SLinus Torvalds dctlprintk(("mptctl_command called.\n")); 16971da177e4SLinus Torvalds 16981da177e4SLinus Torvalds if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_command))) { 16991da177e4SLinus Torvalds printk(KERN_ERR "%s@%d::mptctl_mpt_command - " 17001da177e4SLinus Torvalds "Unable to read in mpt_ioctl_command struct @ %p\n", 17011da177e4SLinus Torvalds __FILE__, __LINE__, uarg); 17021da177e4SLinus Torvalds return -EFAULT; 17031da177e4SLinus Torvalds } 17041da177e4SLinus Torvalds 17051da177e4SLinus Torvalds if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || 17061da177e4SLinus Torvalds (ioc == NULL)) { 17071da177e4SLinus Torvalds dctlprintk((KERN_ERR "%s::mptctl_mpt_command() @%d - ioc%d not found!\n", 17081da177e4SLinus Torvalds __FILE__, __LINE__, iocnum)); 17091da177e4SLinus Torvalds return -ENODEV; 17101da177e4SLinus Torvalds } 17111da177e4SLinus Torvalds 17121da177e4SLinus Torvalds rc = mptctl_do_mpt_command (karg, &uarg->MF); 17131da177e4SLinus Torvalds 17141da177e4SLinus Torvalds return rc; 17151da177e4SLinus Torvalds } 17161da177e4SLinus Torvalds 17171da177e4SLinus Torvalds /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 17181da177e4SLinus Torvalds /* Worker routine for the IOCTL MPTCOMMAND and MPTCOMMAND32 (sparc) commands. 17191da177e4SLinus Torvalds * 17201da177e4SLinus Torvalds * Outputs: None. 17211da177e4SLinus Torvalds * Return: 0 if successful 17221da177e4SLinus Torvalds * -EBUSY if previous command timout and IOC reset is not complete. 17231da177e4SLinus Torvalds * -EFAULT if data unavailable 17241da177e4SLinus Torvalds * -ENODEV if no such device/adapter 17251da177e4SLinus Torvalds * -ETIME if timer expires 17261da177e4SLinus Torvalds * -ENOMEM if memory allocation error 17271da177e4SLinus Torvalds * -EPERM if SCSI I/O and target is untagged 17281da177e4SLinus Torvalds */ 17291da177e4SLinus Torvalds static int 17301da177e4SLinus Torvalds mptctl_do_mpt_command (struct mpt_ioctl_command karg, void __user *mfPtr) 17311da177e4SLinus Torvalds { 17321da177e4SLinus Torvalds MPT_ADAPTER *ioc; 17331da177e4SLinus Torvalds MPT_FRAME_HDR *mf = NULL; 17341da177e4SLinus Torvalds MPIHeader_t *hdr; 17351da177e4SLinus Torvalds char *psge; 17361da177e4SLinus Torvalds struct buflist bufIn; /* data In buffer */ 17371da177e4SLinus Torvalds struct buflist bufOut; /* data Out buffer */ 17381da177e4SLinus Torvalds dma_addr_t dma_addr_in; 17391da177e4SLinus Torvalds dma_addr_t dma_addr_out; 17401da177e4SLinus Torvalds int sgSize = 0; /* Num SG elements */ 17411da177e4SLinus Torvalds int iocnum, flagsLength; 17421da177e4SLinus Torvalds int sz, rc = 0; 17431da177e4SLinus Torvalds int msgContext; 17441da177e4SLinus Torvalds u16 req_idx; 17451da177e4SLinus Torvalds ulong timeout; 17461da177e4SLinus Torvalds 17471da177e4SLinus Torvalds dctlprintk(("mptctl_do_mpt_command called.\n")); 17481da177e4SLinus Torvalds bufIn.kptr = bufOut.kptr = NULL; 17491da177e4SLinus Torvalds 17501da177e4SLinus Torvalds if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || 17511da177e4SLinus Torvalds (ioc == NULL)) { 17521da177e4SLinus Torvalds dctlprintk((KERN_ERR "%s::mptctl_do_mpt_command() @%d - ioc%d not found!\n", 17531da177e4SLinus Torvalds __FILE__, __LINE__, iocnum)); 17541da177e4SLinus Torvalds return -ENODEV; 17551da177e4SLinus Torvalds } 17561da177e4SLinus Torvalds if (!ioc->ioctl) { 17571da177e4SLinus Torvalds printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - " 17581da177e4SLinus Torvalds "No memory available during driver init.\n", 17591da177e4SLinus Torvalds __FILE__, __LINE__); 17601da177e4SLinus Torvalds return -ENOMEM; 17611da177e4SLinus Torvalds } else if (ioc->ioctl->status & MPT_IOCTL_STATUS_DID_IOCRESET) { 17621da177e4SLinus Torvalds printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - " 17631da177e4SLinus Torvalds "Busy with IOC Reset \n", __FILE__, __LINE__); 17641da177e4SLinus Torvalds return -EBUSY; 17651da177e4SLinus Torvalds } 17661da177e4SLinus Torvalds 17671da177e4SLinus Torvalds /* Verify that the final request frame will not be too large. 17681da177e4SLinus Torvalds */ 17691da177e4SLinus Torvalds sz = karg.dataSgeOffset * 4; 17701da177e4SLinus Torvalds if (karg.dataInSize > 0) 17711da177e4SLinus Torvalds sz += sizeof(dma_addr_t) + sizeof(u32); 17721da177e4SLinus Torvalds if (karg.dataOutSize > 0) 17731da177e4SLinus Torvalds sz += sizeof(dma_addr_t) + sizeof(u32); 17741da177e4SLinus Torvalds 17751da177e4SLinus Torvalds if (sz > ioc->req_sz) { 17761da177e4SLinus Torvalds printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - " 17771da177e4SLinus Torvalds "Request frame too large (%d) maximum (%d)\n", 17781da177e4SLinus Torvalds __FILE__, __LINE__, sz, ioc->req_sz); 17791da177e4SLinus Torvalds return -EFAULT; 17801da177e4SLinus Torvalds } 17811da177e4SLinus Torvalds 17821da177e4SLinus Torvalds /* Get a free request frame and save the message context. 17831da177e4SLinus Torvalds */ 17841da177e4SLinus Torvalds if ((mf = mpt_get_msg_frame(mptctl_id, ioc)) == NULL) 17851da177e4SLinus Torvalds return -EAGAIN; 17861da177e4SLinus Torvalds 17871da177e4SLinus Torvalds hdr = (MPIHeader_t *) mf; 17881da177e4SLinus Torvalds msgContext = le32_to_cpu(hdr->MsgContext); 17891da177e4SLinus Torvalds req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); 17901da177e4SLinus Torvalds 17911da177e4SLinus Torvalds /* Copy the request frame 17921da177e4SLinus Torvalds * Reset the saved message context. 17931da177e4SLinus Torvalds * Request frame in user space 17941da177e4SLinus Torvalds */ 17951da177e4SLinus Torvalds if (copy_from_user(mf, mfPtr, karg.dataSgeOffset * 4)) { 17961da177e4SLinus Torvalds printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - " 17971da177e4SLinus Torvalds "Unable to read MF from mpt_ioctl_command struct @ %p\n", 17981da177e4SLinus Torvalds __FILE__, __LINE__, mfPtr); 17991da177e4SLinus Torvalds rc = -EFAULT; 18001da177e4SLinus Torvalds goto done_free_mem; 18011da177e4SLinus Torvalds } 18021da177e4SLinus Torvalds hdr->MsgContext = cpu_to_le32(msgContext); 18031da177e4SLinus Torvalds 18041da177e4SLinus Torvalds 18051da177e4SLinus Torvalds /* Verify that this request is allowed. 18061da177e4SLinus Torvalds */ 18071da177e4SLinus Torvalds switch (hdr->Function) { 18081da177e4SLinus Torvalds case MPI_FUNCTION_IOC_FACTS: 18091da177e4SLinus Torvalds case MPI_FUNCTION_PORT_FACTS: 18101da177e4SLinus Torvalds karg.dataOutSize = karg.dataInSize = 0; 18111da177e4SLinus Torvalds break; 18121da177e4SLinus Torvalds 18131da177e4SLinus Torvalds case MPI_FUNCTION_CONFIG: 18141da177e4SLinus Torvalds case MPI_FUNCTION_FC_COMMON_TRANSPORT_SEND: 18151da177e4SLinus Torvalds case MPI_FUNCTION_FC_EX_LINK_SRVC_SEND: 18161da177e4SLinus Torvalds case MPI_FUNCTION_FW_UPLOAD: 18171da177e4SLinus Torvalds case MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR: 18181da177e4SLinus Torvalds case MPI_FUNCTION_FW_DOWNLOAD: 18191da177e4SLinus Torvalds case MPI_FUNCTION_FC_PRIMITIVE_SEND: 18201da177e4SLinus Torvalds break; 18211da177e4SLinus Torvalds 18221da177e4SLinus Torvalds case MPI_FUNCTION_SCSI_IO_REQUEST: 18231da177e4SLinus Torvalds if (ioc->sh) { 18241da177e4SLinus Torvalds SCSIIORequest_t *pScsiReq = (SCSIIORequest_t *) mf; 1825*c7c82987SMoore, Eric Dean VirtTarget *pTarget = NULL; 18261da177e4SLinus Torvalds MPT_SCSI_HOST *hd = NULL; 18271da177e4SLinus Torvalds int qtag = MPI_SCSIIO_CONTROL_UNTAGGED; 18281da177e4SLinus Torvalds int scsidir = 0; 18291da177e4SLinus Torvalds int target = (int) pScsiReq->TargetID; 18301da177e4SLinus Torvalds int dataSize; 18311da177e4SLinus Torvalds 18321da177e4SLinus Torvalds if ((target < 0) || (target >= ioc->sh->max_id)) { 18331da177e4SLinus Torvalds printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - " 18341da177e4SLinus Torvalds "Target ID out of bounds. \n", 18351da177e4SLinus Torvalds __FILE__, __LINE__); 18361da177e4SLinus Torvalds rc = -ENODEV; 18371da177e4SLinus Torvalds goto done_free_mem; 18381da177e4SLinus Torvalds } 18391da177e4SLinus Torvalds 18401da177e4SLinus Torvalds pScsiReq->MsgFlags = mpt_msg_flags(); 18411da177e4SLinus Torvalds 18421da177e4SLinus Torvalds /* verify that app has not requested 18431da177e4SLinus Torvalds * more sense data than driver 18441da177e4SLinus Torvalds * can provide, if so, reset this parameter 18451da177e4SLinus Torvalds * set the sense buffer pointer low address 18461da177e4SLinus Torvalds * update the control field to specify Q type 18471da177e4SLinus Torvalds */ 18481da177e4SLinus Torvalds if (karg.maxSenseBytes > MPT_SENSE_BUFFER_SIZE) 18491da177e4SLinus Torvalds pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE; 18501da177e4SLinus Torvalds else 18511da177e4SLinus Torvalds pScsiReq->SenseBufferLength = karg.maxSenseBytes; 18521da177e4SLinus Torvalds 18531da177e4SLinus Torvalds pScsiReq->SenseBufferLowAddr = 18541da177e4SLinus Torvalds cpu_to_le32(ioc->sense_buf_low_dma 18551da177e4SLinus Torvalds + (req_idx * MPT_SENSE_BUFFER_ALLOC)); 18561da177e4SLinus Torvalds 18571da177e4SLinus Torvalds if ((hd = (MPT_SCSI_HOST *) ioc->sh->hostdata)) { 18581da177e4SLinus Torvalds if (hd->Targets) 18591da177e4SLinus Torvalds pTarget = hd->Targets[target]; 18601da177e4SLinus Torvalds } 18611da177e4SLinus Torvalds 18621da177e4SLinus Torvalds if (pTarget &&(pTarget->tflags & MPT_TARGET_FLAGS_Q_YES)) 18631da177e4SLinus Torvalds qtag = MPI_SCSIIO_CONTROL_SIMPLEQ; 18641da177e4SLinus Torvalds 18651da177e4SLinus Torvalds /* Have the IOCTL driver set the direction based 18661da177e4SLinus Torvalds * on the dataOutSize (ordering issue with Sparc). 18671da177e4SLinus Torvalds */ 18681da177e4SLinus Torvalds if (karg.dataOutSize > 0) { 18691da177e4SLinus Torvalds scsidir = MPI_SCSIIO_CONTROL_WRITE; 18701da177e4SLinus Torvalds dataSize = karg.dataOutSize; 18711da177e4SLinus Torvalds } else { 18721da177e4SLinus Torvalds scsidir = MPI_SCSIIO_CONTROL_READ; 18731da177e4SLinus Torvalds dataSize = karg.dataInSize; 18741da177e4SLinus Torvalds } 18751da177e4SLinus Torvalds 18761da177e4SLinus Torvalds pScsiReq->Control = cpu_to_le32(scsidir | qtag); 18771da177e4SLinus Torvalds pScsiReq->DataLength = cpu_to_le32(dataSize); 18781da177e4SLinus Torvalds 18791da177e4SLinus Torvalds ioc->ioctl->reset = MPTCTL_RESET_OK; 18801da177e4SLinus Torvalds ioc->ioctl->target = target; 18811da177e4SLinus Torvalds 18821da177e4SLinus Torvalds } else { 18831da177e4SLinus Torvalds printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - " 18841da177e4SLinus Torvalds "SCSI driver is not loaded. \n", 18851da177e4SLinus Torvalds __FILE__, __LINE__); 18861da177e4SLinus Torvalds rc = -EFAULT; 18871da177e4SLinus Torvalds goto done_free_mem; 18881da177e4SLinus Torvalds } 18891da177e4SLinus Torvalds break; 18901da177e4SLinus Torvalds 18911da177e4SLinus Torvalds case MPI_FUNCTION_RAID_ACTION: 18921da177e4SLinus Torvalds /* Just add a SGE 18931da177e4SLinus Torvalds */ 18941da177e4SLinus Torvalds break; 18951da177e4SLinus Torvalds 18961da177e4SLinus Torvalds case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: 18971da177e4SLinus Torvalds if (ioc->sh) { 18981da177e4SLinus Torvalds SCSIIORequest_t *pScsiReq = (SCSIIORequest_t *) mf; 18991da177e4SLinus Torvalds int qtag = MPI_SCSIIO_CONTROL_SIMPLEQ; 19001da177e4SLinus Torvalds int scsidir = MPI_SCSIIO_CONTROL_READ; 19011da177e4SLinus Torvalds int dataSize; 19021da177e4SLinus Torvalds 19031da177e4SLinus Torvalds pScsiReq->MsgFlags = mpt_msg_flags(); 19041da177e4SLinus Torvalds 19051da177e4SLinus Torvalds /* verify that app has not requested 19061da177e4SLinus Torvalds * more sense data than driver 19071da177e4SLinus Torvalds * can provide, if so, reset this parameter 19081da177e4SLinus Torvalds * set the sense buffer pointer low address 19091da177e4SLinus Torvalds * update the control field to specify Q type 19101da177e4SLinus Torvalds */ 19111da177e4SLinus Torvalds if (karg.maxSenseBytes > MPT_SENSE_BUFFER_SIZE) 19121da177e4SLinus Torvalds pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE; 19131da177e4SLinus Torvalds else 19141da177e4SLinus Torvalds pScsiReq->SenseBufferLength = karg.maxSenseBytes; 19151da177e4SLinus Torvalds 19161da177e4SLinus Torvalds pScsiReq->SenseBufferLowAddr = 19171da177e4SLinus Torvalds cpu_to_le32(ioc->sense_buf_low_dma 19181da177e4SLinus Torvalds + (req_idx * MPT_SENSE_BUFFER_ALLOC)); 19191da177e4SLinus Torvalds 19201da177e4SLinus Torvalds /* All commands to physical devices are tagged 19211da177e4SLinus Torvalds */ 19221da177e4SLinus Torvalds 19231da177e4SLinus Torvalds /* Have the IOCTL driver set the direction based 19241da177e4SLinus Torvalds * on the dataOutSize (ordering issue with Sparc). 19251da177e4SLinus Torvalds */ 19261da177e4SLinus Torvalds if (karg.dataOutSize > 0) { 19271da177e4SLinus Torvalds scsidir = MPI_SCSIIO_CONTROL_WRITE; 19281da177e4SLinus Torvalds dataSize = karg.dataOutSize; 19291da177e4SLinus Torvalds } else { 19301da177e4SLinus Torvalds scsidir = MPI_SCSIIO_CONTROL_READ; 19311da177e4SLinus Torvalds dataSize = karg.dataInSize; 19321da177e4SLinus Torvalds } 19331da177e4SLinus Torvalds 19341da177e4SLinus Torvalds pScsiReq->Control = cpu_to_le32(scsidir | qtag); 19351da177e4SLinus Torvalds pScsiReq->DataLength = cpu_to_le32(dataSize); 19361da177e4SLinus Torvalds 19371da177e4SLinus Torvalds ioc->ioctl->reset = MPTCTL_RESET_OK; 19381da177e4SLinus Torvalds ioc->ioctl->target = pScsiReq->TargetID; 19391da177e4SLinus Torvalds } else { 19401da177e4SLinus Torvalds printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - " 19411da177e4SLinus Torvalds "SCSI driver is not loaded. \n", 19421da177e4SLinus Torvalds __FILE__, __LINE__); 19431da177e4SLinus Torvalds rc = -EFAULT; 19441da177e4SLinus Torvalds goto done_free_mem; 19451da177e4SLinus Torvalds } 19461da177e4SLinus Torvalds break; 19471da177e4SLinus Torvalds 19481da177e4SLinus Torvalds case MPI_FUNCTION_SCSI_TASK_MGMT: 19491da177e4SLinus Torvalds { 19501da177e4SLinus Torvalds MPT_SCSI_HOST *hd = NULL; 19511da177e4SLinus Torvalds if ((ioc->sh == NULL) || ((hd = (MPT_SCSI_HOST *)ioc->sh->hostdata) == NULL)) { 19521da177e4SLinus Torvalds printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - " 19531da177e4SLinus Torvalds "SCSI driver not loaded or SCSI host not found. \n", 19541da177e4SLinus Torvalds __FILE__, __LINE__); 19551da177e4SLinus Torvalds rc = -EFAULT; 19561da177e4SLinus Torvalds goto done_free_mem; 19571da177e4SLinus Torvalds } else if (mptctl_set_tm_flags(hd) != 0) { 19581da177e4SLinus Torvalds rc = -EPERM; 19591da177e4SLinus Torvalds goto done_free_mem; 19601da177e4SLinus Torvalds } 19611da177e4SLinus Torvalds } 19621da177e4SLinus Torvalds break; 19631da177e4SLinus Torvalds 19641da177e4SLinus Torvalds case MPI_FUNCTION_IOC_INIT: 19651da177e4SLinus Torvalds { 19661da177e4SLinus Torvalds IOCInit_t *pInit = (IOCInit_t *) mf; 19671da177e4SLinus Torvalds u32 high_addr, sense_high; 19681da177e4SLinus Torvalds 19691da177e4SLinus Torvalds /* Verify that all entries in the IOC INIT match 19701da177e4SLinus Torvalds * existing setup (and in LE format). 19711da177e4SLinus Torvalds */ 19721da177e4SLinus Torvalds if (sizeof(dma_addr_t) == sizeof(u64)) { 19731da177e4SLinus Torvalds high_addr = cpu_to_le32((u32)((u64)ioc->req_frames_dma >> 32)); 19741da177e4SLinus Torvalds sense_high= cpu_to_le32((u32)((u64)ioc->sense_buf_pool_dma >> 32)); 19751da177e4SLinus Torvalds } else { 19761da177e4SLinus Torvalds high_addr = 0; 19771da177e4SLinus Torvalds sense_high= 0; 19781da177e4SLinus Torvalds } 19791da177e4SLinus Torvalds 19801da177e4SLinus Torvalds if ((pInit->Flags != 0) || (pInit->MaxDevices != ioc->facts.MaxDevices) || 19811da177e4SLinus Torvalds (pInit->MaxBuses != ioc->facts.MaxBuses) || 19821da177e4SLinus Torvalds (pInit->ReplyFrameSize != cpu_to_le16(ioc->reply_sz)) || 19831da177e4SLinus Torvalds (pInit->HostMfaHighAddr != high_addr) || 19841da177e4SLinus Torvalds (pInit->SenseBufferHighAddr != sense_high)) { 19851da177e4SLinus Torvalds printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - " 19861da177e4SLinus Torvalds "IOC_INIT issued with 1 or more incorrect parameters. Rejected.\n", 19871da177e4SLinus Torvalds __FILE__, __LINE__); 19881da177e4SLinus Torvalds rc = -EFAULT; 19891da177e4SLinus Torvalds goto done_free_mem; 19901da177e4SLinus Torvalds } 19911da177e4SLinus Torvalds } 19921da177e4SLinus Torvalds break; 19931da177e4SLinus Torvalds default: 19941da177e4SLinus Torvalds /* 19951da177e4SLinus Torvalds * MPI_FUNCTION_PORT_ENABLE 19961da177e4SLinus Torvalds * MPI_FUNCTION_TARGET_CMD_BUFFER_POST 19971da177e4SLinus Torvalds * MPI_FUNCTION_TARGET_ASSIST 19981da177e4SLinus Torvalds * MPI_FUNCTION_TARGET_STATUS_SEND 19991da177e4SLinus Torvalds * MPI_FUNCTION_TARGET_MODE_ABORT 20001da177e4SLinus Torvalds * MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET 20011da177e4SLinus Torvalds * MPI_FUNCTION_IO_UNIT_RESET 20021da177e4SLinus Torvalds * MPI_FUNCTION_HANDSHAKE 20031da177e4SLinus Torvalds * MPI_FUNCTION_REPLY_FRAME_REMOVAL 20041da177e4SLinus Torvalds * MPI_FUNCTION_EVENT_NOTIFICATION 20051da177e4SLinus Torvalds * (driver handles event notification) 20061da177e4SLinus Torvalds * MPI_FUNCTION_EVENT_ACK 20071da177e4SLinus Torvalds */ 20081da177e4SLinus Torvalds 20091da177e4SLinus Torvalds /* What to do with these??? CHECK ME!!! 20101da177e4SLinus Torvalds MPI_FUNCTION_FC_LINK_SRVC_BUF_POST 20111da177e4SLinus Torvalds MPI_FUNCTION_FC_LINK_SRVC_RSP 20121da177e4SLinus Torvalds MPI_FUNCTION_FC_ABORT 20131da177e4SLinus Torvalds MPI_FUNCTION_LAN_SEND 20141da177e4SLinus Torvalds MPI_FUNCTION_LAN_RECEIVE 20151da177e4SLinus Torvalds MPI_FUNCTION_LAN_RESET 20161da177e4SLinus Torvalds */ 20171da177e4SLinus Torvalds 20181da177e4SLinus Torvalds printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - " 20191da177e4SLinus Torvalds "Illegal request (function 0x%x) \n", 20201da177e4SLinus Torvalds __FILE__, __LINE__, hdr->Function); 20211da177e4SLinus Torvalds rc = -EFAULT; 20221da177e4SLinus Torvalds goto done_free_mem; 20231da177e4SLinus Torvalds } 20241da177e4SLinus Torvalds 20251da177e4SLinus Torvalds /* Add the SGL ( at most one data in SGE and one data out SGE ) 20261da177e4SLinus Torvalds * In the case of two SGE's - the data out (write) will always 20271da177e4SLinus Torvalds * preceede the data in (read) SGE. psgList is used to free the 20281da177e4SLinus Torvalds * allocated memory. 20291da177e4SLinus Torvalds */ 20301da177e4SLinus Torvalds psge = (char *) (((int *) mf) + karg.dataSgeOffset); 20311da177e4SLinus Torvalds flagsLength = 0; 20321da177e4SLinus Torvalds 20331da177e4SLinus Torvalds /* bufIn and bufOut are used for user to kernel space transfers 20341da177e4SLinus Torvalds */ 20351da177e4SLinus Torvalds bufIn.kptr = bufOut.kptr = NULL; 20361da177e4SLinus Torvalds bufIn.len = bufOut.len = 0; 20371da177e4SLinus Torvalds 20381da177e4SLinus Torvalds if (karg.dataOutSize > 0) 20391da177e4SLinus Torvalds sgSize ++; 20401da177e4SLinus Torvalds 20411da177e4SLinus Torvalds if (karg.dataInSize > 0) 20421da177e4SLinus Torvalds sgSize ++; 20431da177e4SLinus Torvalds 20441da177e4SLinus Torvalds if (sgSize > 0) { 20451da177e4SLinus Torvalds 20461da177e4SLinus Torvalds /* Set up the dataOut memory allocation */ 20471da177e4SLinus Torvalds if (karg.dataOutSize > 0) { 20481da177e4SLinus Torvalds if (karg.dataInSize > 0) { 20491da177e4SLinus Torvalds flagsLength = ( MPI_SGE_FLAGS_SIMPLE_ELEMENT | 20501da177e4SLinus Torvalds MPI_SGE_FLAGS_END_OF_BUFFER | 20511da177e4SLinus Torvalds MPI_SGE_FLAGS_DIRECTION | 20521da177e4SLinus Torvalds mpt_addr_size() ) 20531da177e4SLinus Torvalds << MPI_SGE_FLAGS_SHIFT; 20541da177e4SLinus Torvalds } else { 20551da177e4SLinus Torvalds flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE; 20561da177e4SLinus Torvalds } 20571da177e4SLinus Torvalds flagsLength |= karg.dataOutSize; 20581da177e4SLinus Torvalds bufOut.len = karg.dataOutSize; 20591da177e4SLinus Torvalds bufOut.kptr = pci_alloc_consistent( 20601da177e4SLinus Torvalds ioc->pcidev, bufOut.len, &dma_addr_out); 20611da177e4SLinus Torvalds 20621da177e4SLinus Torvalds if (bufOut.kptr == NULL) { 20631da177e4SLinus Torvalds rc = -ENOMEM; 20641da177e4SLinus Torvalds goto done_free_mem; 20651da177e4SLinus Torvalds } else { 20661da177e4SLinus Torvalds /* Set up this SGE. 20671da177e4SLinus Torvalds * Copy to MF and to sglbuf 20681da177e4SLinus Torvalds */ 20691da177e4SLinus Torvalds mpt_add_sge(psge, flagsLength, dma_addr_out); 20701da177e4SLinus Torvalds psge += (sizeof(u32) + sizeof(dma_addr_t)); 20711da177e4SLinus Torvalds 20721da177e4SLinus Torvalds /* Copy user data to kernel space. 20731da177e4SLinus Torvalds */ 20741da177e4SLinus Torvalds if (copy_from_user(bufOut.kptr, 20751da177e4SLinus Torvalds karg.dataOutBufPtr, 20761da177e4SLinus Torvalds bufOut.len)) { 20771da177e4SLinus Torvalds printk(KERN_ERR 20781da177e4SLinus Torvalds "%s@%d::mptctl_do_mpt_command - Unable " 20791da177e4SLinus Torvalds "to read user data " 20801da177e4SLinus Torvalds "struct @ %p\n", 20811da177e4SLinus Torvalds __FILE__, __LINE__,karg.dataOutBufPtr); 20821da177e4SLinus Torvalds rc = -EFAULT; 20831da177e4SLinus Torvalds goto done_free_mem; 20841da177e4SLinus Torvalds } 20851da177e4SLinus Torvalds } 20861da177e4SLinus Torvalds } 20871da177e4SLinus Torvalds 20881da177e4SLinus Torvalds if (karg.dataInSize > 0) { 20891da177e4SLinus Torvalds flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ; 20901da177e4SLinus Torvalds flagsLength |= karg.dataInSize; 20911da177e4SLinus Torvalds 20921da177e4SLinus Torvalds bufIn.len = karg.dataInSize; 20931da177e4SLinus Torvalds bufIn.kptr = pci_alloc_consistent(ioc->pcidev, 20941da177e4SLinus Torvalds bufIn.len, &dma_addr_in); 20951da177e4SLinus Torvalds 20961da177e4SLinus Torvalds if (bufIn.kptr == NULL) { 20971da177e4SLinus Torvalds rc = -ENOMEM; 20981da177e4SLinus Torvalds goto done_free_mem; 20991da177e4SLinus Torvalds } else { 21001da177e4SLinus Torvalds /* Set up this SGE 21011da177e4SLinus Torvalds * Copy to MF and to sglbuf 21021da177e4SLinus Torvalds */ 21031da177e4SLinus Torvalds mpt_add_sge(psge, flagsLength, dma_addr_in); 21041da177e4SLinus Torvalds } 21051da177e4SLinus Torvalds } 21061da177e4SLinus Torvalds } else { 21071da177e4SLinus Torvalds /* Add a NULL SGE 21081da177e4SLinus Torvalds */ 21091da177e4SLinus Torvalds mpt_add_sge(psge, flagsLength, (dma_addr_t) -1); 21101da177e4SLinus Torvalds } 21111da177e4SLinus Torvalds 21121da177e4SLinus Torvalds ioc->ioctl->wait_done = 0; 21131da177e4SLinus Torvalds if (hdr->Function == MPI_FUNCTION_SCSI_TASK_MGMT) { 21141da177e4SLinus Torvalds 21151da177e4SLinus Torvalds DBG_DUMP_TM_REQUEST_FRAME((u32 *)mf); 21161da177e4SLinus Torvalds 21171da177e4SLinus Torvalds if (mpt_send_handshake_request(mptctl_id, ioc, 21181da177e4SLinus Torvalds sizeof(SCSITaskMgmt_t), (u32*)mf, 21191da177e4SLinus Torvalds CAN_SLEEP) != 0) { 21201da177e4SLinus Torvalds dfailprintk((MYIOC_s_ERR_FMT "_send_handshake FAILED!" 21211da177e4SLinus Torvalds " (ioc %p, mf %p) \n", ioc->name, 21221da177e4SLinus Torvalds ioc, mf)); 21231da177e4SLinus Torvalds mptctl_free_tm_flags(ioc); 21241da177e4SLinus Torvalds rc = -ENODATA; 21251da177e4SLinus Torvalds goto done_free_mem; 21261da177e4SLinus Torvalds } 21271da177e4SLinus Torvalds 21281da177e4SLinus Torvalds } else 21291da177e4SLinus Torvalds mpt_put_msg_frame(mptctl_id, ioc, mf); 21301da177e4SLinus Torvalds 21311da177e4SLinus Torvalds /* Now wait for the command to complete */ 21321da177e4SLinus Torvalds timeout = (karg.timeout > 0) ? karg.timeout : MPT_IOCTL_DEFAULT_TIMEOUT; 21331da177e4SLinus Torvalds timeout = wait_event_interruptible_timeout(mptctl_wait, 21341da177e4SLinus Torvalds ioc->ioctl->wait_done == 1, 21351da177e4SLinus Torvalds HZ*timeout); 21361da177e4SLinus Torvalds 21371da177e4SLinus Torvalds if(timeout <=0 && (ioc->ioctl->wait_done != 1 )) { 21381da177e4SLinus Torvalds /* Now we need to reset the board */ 21391da177e4SLinus Torvalds 21401da177e4SLinus Torvalds if (hdr->Function == MPI_FUNCTION_SCSI_TASK_MGMT) 21411da177e4SLinus Torvalds mptctl_free_tm_flags(ioc); 21421da177e4SLinus Torvalds 21431da177e4SLinus Torvalds mptctl_timeout_expired(ioc->ioctl); 21441da177e4SLinus Torvalds rc = -ENODATA; 21451da177e4SLinus Torvalds goto done_free_mem; 21461da177e4SLinus Torvalds } 21471da177e4SLinus Torvalds 21481da177e4SLinus Torvalds mf = NULL; 21491da177e4SLinus Torvalds 21501da177e4SLinus Torvalds /* If a valid reply frame, copy to the user. 21511da177e4SLinus Torvalds * Offset 2: reply length in U32's 21521da177e4SLinus Torvalds */ 21531da177e4SLinus Torvalds if (ioc->ioctl->status & MPT_IOCTL_STATUS_RF_VALID) { 21541da177e4SLinus Torvalds if (karg.maxReplyBytes < ioc->reply_sz) { 21551da177e4SLinus Torvalds sz = min(karg.maxReplyBytes, 4*ioc->ioctl->ReplyFrame[2]); 21561da177e4SLinus Torvalds } else { 21571da177e4SLinus Torvalds sz = min(ioc->reply_sz, 4*ioc->ioctl->ReplyFrame[2]); 21581da177e4SLinus Torvalds } 21591da177e4SLinus Torvalds 21601da177e4SLinus Torvalds if (sz > 0) { 21611da177e4SLinus Torvalds if (copy_to_user(karg.replyFrameBufPtr, 21621da177e4SLinus Torvalds &ioc->ioctl->ReplyFrame, sz)){ 21631da177e4SLinus Torvalds printk(KERN_ERR 21641da177e4SLinus Torvalds "%s@%d::mptctl_do_mpt_command - " 21651da177e4SLinus Torvalds "Unable to write out reply frame %p\n", 21661da177e4SLinus Torvalds __FILE__, __LINE__, karg.replyFrameBufPtr); 21671da177e4SLinus Torvalds rc = -ENODATA; 21681da177e4SLinus Torvalds goto done_free_mem; 21691da177e4SLinus Torvalds } 21701da177e4SLinus Torvalds } 21711da177e4SLinus Torvalds } 21721da177e4SLinus Torvalds 21731da177e4SLinus Torvalds /* If valid sense data, copy to user. 21741da177e4SLinus Torvalds */ 21751da177e4SLinus Torvalds if (ioc->ioctl->status & MPT_IOCTL_STATUS_SENSE_VALID) { 21761da177e4SLinus Torvalds sz = min(karg.maxSenseBytes, MPT_SENSE_BUFFER_SIZE); 21771da177e4SLinus Torvalds if (sz > 0) { 21781da177e4SLinus Torvalds if (copy_to_user(karg.senseDataPtr, ioc->ioctl->sense, sz)) { 21791da177e4SLinus Torvalds printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - " 21801da177e4SLinus Torvalds "Unable to write sense data to user %p\n", 21811da177e4SLinus Torvalds __FILE__, __LINE__, 21821da177e4SLinus Torvalds karg.senseDataPtr); 21831da177e4SLinus Torvalds rc = -ENODATA; 21841da177e4SLinus Torvalds goto done_free_mem; 21851da177e4SLinus Torvalds } 21861da177e4SLinus Torvalds } 21871da177e4SLinus Torvalds } 21881da177e4SLinus Torvalds 21891da177e4SLinus Torvalds /* If the overall status is _GOOD and data in, copy data 21901da177e4SLinus Torvalds * to user. 21911da177e4SLinus Torvalds */ 21921da177e4SLinus Torvalds if ((ioc->ioctl->status & MPT_IOCTL_STATUS_COMMAND_GOOD) && 21931da177e4SLinus Torvalds (karg.dataInSize > 0) && (bufIn.kptr)) { 21941da177e4SLinus Torvalds 21951da177e4SLinus Torvalds if (copy_to_user(karg.dataInBufPtr, 21961da177e4SLinus Torvalds bufIn.kptr, karg.dataInSize)) { 21971da177e4SLinus Torvalds printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - " 21981da177e4SLinus Torvalds "Unable to write data to user %p\n", 21991da177e4SLinus Torvalds __FILE__, __LINE__, 22001da177e4SLinus Torvalds karg.dataInBufPtr); 22011da177e4SLinus Torvalds rc = -ENODATA; 22021da177e4SLinus Torvalds } 22031da177e4SLinus Torvalds } 22041da177e4SLinus Torvalds 22051da177e4SLinus Torvalds done_free_mem: 22061da177e4SLinus Torvalds 22071da177e4SLinus Torvalds ioc->ioctl->status &= ~(MPT_IOCTL_STATUS_COMMAND_GOOD | 22081da177e4SLinus Torvalds MPT_IOCTL_STATUS_SENSE_VALID | 22091da177e4SLinus Torvalds MPT_IOCTL_STATUS_RF_VALID ); 22101da177e4SLinus Torvalds 22111da177e4SLinus Torvalds /* Free the allocated memory. 22121da177e4SLinus Torvalds */ 22131da177e4SLinus Torvalds if (bufOut.kptr != NULL) { 22141da177e4SLinus Torvalds pci_free_consistent(ioc->pcidev, 22151da177e4SLinus Torvalds bufOut.len, (void *) bufOut.kptr, dma_addr_out); 22161da177e4SLinus Torvalds } 22171da177e4SLinus Torvalds 22181da177e4SLinus Torvalds if (bufIn.kptr != NULL) { 22191da177e4SLinus Torvalds pci_free_consistent(ioc->pcidev, 22201da177e4SLinus Torvalds bufIn.len, (void *) bufIn.kptr, dma_addr_in); 22211da177e4SLinus Torvalds } 22221da177e4SLinus Torvalds 22231da177e4SLinus Torvalds /* mf is null if command issued successfully 22241da177e4SLinus Torvalds * otherwise, failure occured after mf acquired. 22251da177e4SLinus Torvalds */ 22261da177e4SLinus Torvalds if (mf) 22271da177e4SLinus Torvalds mpt_free_msg_frame(ioc, mf); 22281da177e4SLinus Torvalds 22291da177e4SLinus Torvalds return rc; 22301da177e4SLinus Torvalds } 22311da177e4SLinus Torvalds 22321da177e4SLinus Torvalds /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 22331da177e4SLinus Torvalds /* Prototype Routine for the HP HOST INFO command. 22341da177e4SLinus Torvalds * 22351da177e4SLinus Torvalds * Outputs: None. 22361da177e4SLinus Torvalds * Return: 0 if successful 22371da177e4SLinus Torvalds * -EFAULT if data unavailable 22381da177e4SLinus Torvalds * -EBUSY if previous command timout and IOC reset is not complete. 22391da177e4SLinus Torvalds * -ENODEV if no such device/adapter 22401da177e4SLinus Torvalds * -ETIME if timer expires 22411da177e4SLinus Torvalds * -ENOMEM if memory allocation error 22421da177e4SLinus Torvalds */ 22431da177e4SLinus Torvalds static int 22441da177e4SLinus Torvalds mptctl_hp_hostinfo(unsigned long arg, unsigned int data_size) 22451da177e4SLinus Torvalds { 22461da177e4SLinus Torvalds hp_host_info_t __user *uarg = (void __user *) arg; 22471da177e4SLinus Torvalds MPT_ADAPTER *ioc; 22481da177e4SLinus Torvalds struct pci_dev *pdev; 22491da177e4SLinus Torvalds char *pbuf; 22501da177e4SLinus Torvalds dma_addr_t buf_dma; 22511da177e4SLinus Torvalds hp_host_info_t karg; 22521da177e4SLinus Torvalds CONFIGPARMS cfg; 22531da177e4SLinus Torvalds ConfigPageHeader_t hdr; 22541da177e4SLinus Torvalds int iocnum; 22551da177e4SLinus Torvalds int rc, cim_rev; 22561da177e4SLinus Torvalds 22571da177e4SLinus Torvalds dctlprintk((": mptctl_hp_hostinfo called.\n")); 22581da177e4SLinus Torvalds /* Reset long to int. Should affect IA64 and SPARC only 22591da177e4SLinus Torvalds */ 22601da177e4SLinus Torvalds if (data_size == sizeof(hp_host_info_t)) 22611da177e4SLinus Torvalds cim_rev = 1; 22621da177e4SLinus Torvalds else if (data_size == sizeof(hp_host_info_rev0_t)) 22631da177e4SLinus Torvalds cim_rev = 0; /* obsolete */ 22641da177e4SLinus Torvalds else 22651da177e4SLinus Torvalds return -EFAULT; 22661da177e4SLinus Torvalds 22671da177e4SLinus Torvalds if (copy_from_user(&karg, uarg, sizeof(hp_host_info_t))) { 22681da177e4SLinus Torvalds printk(KERN_ERR "%s@%d::mptctl_hp_host_info - " 22691da177e4SLinus Torvalds "Unable to read in hp_host_info struct @ %p\n", 22701da177e4SLinus Torvalds __FILE__, __LINE__, uarg); 22711da177e4SLinus Torvalds return -EFAULT; 22721da177e4SLinus Torvalds } 22731da177e4SLinus Torvalds 22741da177e4SLinus Torvalds if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || 22751da177e4SLinus Torvalds (ioc == NULL)) { 22761da177e4SLinus Torvalds dctlprintk((KERN_ERR "%s::mptctl_hp_hostinfo() @%d - ioc%d not found!\n", 22771da177e4SLinus Torvalds __FILE__, __LINE__, iocnum)); 22781da177e4SLinus Torvalds return -ENODEV; 22791da177e4SLinus Torvalds } 22801da177e4SLinus Torvalds 22811da177e4SLinus Torvalds /* Fill in the data and return the structure to the calling 22821da177e4SLinus Torvalds * program 22831da177e4SLinus Torvalds */ 22841da177e4SLinus Torvalds pdev = (struct pci_dev *) ioc->pcidev; 22851da177e4SLinus Torvalds 22861da177e4SLinus Torvalds karg.vendor = pdev->vendor; 22871da177e4SLinus Torvalds karg.device = pdev->device; 22881da177e4SLinus Torvalds karg.subsystem_id = pdev->subsystem_device; 22891da177e4SLinus Torvalds karg.subsystem_vendor = pdev->subsystem_vendor; 22901da177e4SLinus Torvalds karg.devfn = pdev->devfn; 22911da177e4SLinus Torvalds karg.bus = pdev->bus->number; 22921da177e4SLinus Torvalds 22931da177e4SLinus Torvalds /* Save the SCSI host no. if 22941da177e4SLinus Torvalds * SCSI driver loaded 22951da177e4SLinus Torvalds */ 22961da177e4SLinus Torvalds if (ioc->sh != NULL) 22971da177e4SLinus Torvalds karg.host_no = ioc->sh->host_no; 22981da177e4SLinus Torvalds else 22991da177e4SLinus Torvalds karg.host_no = -1; 23001da177e4SLinus Torvalds 23011da177e4SLinus Torvalds /* Reformat the fw_version into a string 23021da177e4SLinus Torvalds */ 23031da177e4SLinus Torvalds karg.fw_version[0] = ioc->facts.FWVersion.Struct.Major >= 10 ? 23041da177e4SLinus Torvalds ((ioc->facts.FWVersion.Struct.Major / 10) + '0') : '0'; 23051da177e4SLinus Torvalds karg.fw_version[1] = (ioc->facts.FWVersion.Struct.Major % 10 ) + '0'; 23061da177e4SLinus Torvalds karg.fw_version[2] = '.'; 23071da177e4SLinus Torvalds karg.fw_version[3] = ioc->facts.FWVersion.Struct.Minor >= 10 ? 23081da177e4SLinus Torvalds ((ioc->facts.FWVersion.Struct.Minor / 10) + '0') : '0'; 23091da177e4SLinus Torvalds karg.fw_version[4] = (ioc->facts.FWVersion.Struct.Minor % 10 ) + '0'; 23101da177e4SLinus Torvalds karg.fw_version[5] = '.'; 23111da177e4SLinus Torvalds karg.fw_version[6] = ioc->facts.FWVersion.Struct.Unit >= 10 ? 23121da177e4SLinus Torvalds ((ioc->facts.FWVersion.Struct.Unit / 10) + '0') : '0'; 23131da177e4SLinus Torvalds karg.fw_version[7] = (ioc->facts.FWVersion.Struct.Unit % 10 ) + '0'; 23141da177e4SLinus Torvalds karg.fw_version[8] = '.'; 23151da177e4SLinus Torvalds karg.fw_version[9] = ioc->facts.FWVersion.Struct.Dev >= 10 ? 23161da177e4SLinus Torvalds ((ioc->facts.FWVersion.Struct.Dev / 10) + '0') : '0'; 23171da177e4SLinus Torvalds karg.fw_version[10] = (ioc->facts.FWVersion.Struct.Dev % 10 ) + '0'; 23181da177e4SLinus Torvalds karg.fw_version[11] = '\0'; 23191da177e4SLinus Torvalds 23201da177e4SLinus Torvalds /* Issue a config request to get the device serial number 23211da177e4SLinus Torvalds */ 23221da177e4SLinus Torvalds hdr.PageVersion = 0; 23231da177e4SLinus Torvalds hdr.PageLength = 0; 23241da177e4SLinus Torvalds hdr.PageNumber = 0; 23251da177e4SLinus Torvalds hdr.PageType = MPI_CONFIG_PAGETYPE_MANUFACTURING; 232669218ee5SChristoph Hellwig cfg.cfghdr.hdr = &hdr; 23271da177e4SLinus Torvalds cfg.physAddr = -1; 23281da177e4SLinus Torvalds cfg.pageAddr = 0; 23291da177e4SLinus Torvalds cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 23301da177e4SLinus Torvalds cfg.dir = 0; /* read */ 23311da177e4SLinus Torvalds cfg.timeout = 10; 23321da177e4SLinus Torvalds 23331da177e4SLinus Torvalds strncpy(karg.serial_number, " ", 24); 23341da177e4SLinus Torvalds if (mpt_config(ioc, &cfg) == 0) { 233569218ee5SChristoph Hellwig if (cfg.cfghdr.hdr->PageLength > 0) { 23361da177e4SLinus Torvalds /* Issue the second config page request */ 23371da177e4SLinus Torvalds cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 23381da177e4SLinus Torvalds 23391da177e4SLinus Torvalds pbuf = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4, &buf_dma); 23401da177e4SLinus Torvalds if (pbuf) { 23411da177e4SLinus Torvalds cfg.physAddr = buf_dma; 23421da177e4SLinus Torvalds if (mpt_config(ioc, &cfg) == 0) { 23431da177e4SLinus Torvalds ManufacturingPage0_t *pdata = (ManufacturingPage0_t *) pbuf; 23441da177e4SLinus Torvalds if (strlen(pdata->BoardTracerNumber) > 1) { 23451da177e4SLinus Torvalds strncpy(karg.serial_number, pdata->BoardTracerNumber, 24); 23461da177e4SLinus Torvalds karg.serial_number[24-1]='\0'; 23471da177e4SLinus Torvalds } 23481da177e4SLinus Torvalds } 23491da177e4SLinus Torvalds pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, pbuf, buf_dma); 23501da177e4SLinus Torvalds pbuf = NULL; 23511da177e4SLinus Torvalds } 23521da177e4SLinus Torvalds } 23531da177e4SLinus Torvalds } 23541da177e4SLinus Torvalds rc = mpt_GetIocState(ioc, 1); 23551da177e4SLinus Torvalds switch (rc) { 23561da177e4SLinus Torvalds case MPI_IOC_STATE_OPERATIONAL: 23571da177e4SLinus Torvalds karg.ioc_status = HP_STATUS_OK; 23581da177e4SLinus Torvalds break; 23591da177e4SLinus Torvalds 23601da177e4SLinus Torvalds case MPI_IOC_STATE_FAULT: 23611da177e4SLinus Torvalds karg.ioc_status = HP_STATUS_FAILED; 23621da177e4SLinus Torvalds break; 23631da177e4SLinus Torvalds 23641da177e4SLinus Torvalds case MPI_IOC_STATE_RESET: 23651da177e4SLinus Torvalds case MPI_IOC_STATE_READY: 23661da177e4SLinus Torvalds default: 23671da177e4SLinus Torvalds karg.ioc_status = HP_STATUS_OTHER; 23681da177e4SLinus Torvalds break; 23691da177e4SLinus Torvalds } 23701da177e4SLinus Torvalds 23711da177e4SLinus Torvalds karg.base_io_addr = pci_resource_start(pdev, 0); 23721da177e4SLinus Torvalds 23731da177e4SLinus Torvalds if (ioc->bus_type == FC) 23741da177e4SLinus Torvalds karg.bus_phys_width = HP_BUS_WIDTH_UNK; 23751da177e4SLinus Torvalds else 23761da177e4SLinus Torvalds karg.bus_phys_width = HP_BUS_WIDTH_16; 23771da177e4SLinus Torvalds 23781da177e4SLinus Torvalds karg.hard_resets = 0; 23791da177e4SLinus Torvalds karg.soft_resets = 0; 23801da177e4SLinus Torvalds karg.timeouts = 0; 23811da177e4SLinus Torvalds if (ioc->sh != NULL) { 23821da177e4SLinus Torvalds MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)ioc->sh->hostdata; 23831da177e4SLinus Torvalds 23841da177e4SLinus Torvalds if (hd && (cim_rev == 1)) { 23851da177e4SLinus Torvalds karg.hard_resets = hd->hard_resets; 23861da177e4SLinus Torvalds karg.soft_resets = hd->soft_resets; 23871da177e4SLinus Torvalds karg.timeouts = hd->timeouts; 23881da177e4SLinus Torvalds } 23891da177e4SLinus Torvalds } 23901da177e4SLinus Torvalds 23911da177e4SLinus Torvalds cfg.pageAddr = 0; 23921da177e4SLinus Torvalds cfg.action = MPI_TOOLBOX_ISTWI_READ_WRITE_TOOL; 23931da177e4SLinus Torvalds cfg.dir = MPI_TB_ISTWI_FLAGS_READ; 23941da177e4SLinus Torvalds cfg.timeout = 10; 23951da177e4SLinus Torvalds pbuf = pci_alloc_consistent(ioc->pcidev, 4, &buf_dma); 23961da177e4SLinus Torvalds if (pbuf) { 23971da177e4SLinus Torvalds cfg.physAddr = buf_dma; 23981da177e4SLinus Torvalds if ((mpt_toolbox(ioc, &cfg)) == 0) { 23991da177e4SLinus Torvalds karg.rsvd = *(u32 *)pbuf; 24001da177e4SLinus Torvalds } 24011da177e4SLinus Torvalds pci_free_consistent(ioc->pcidev, 4, pbuf, buf_dma); 24021da177e4SLinus Torvalds pbuf = NULL; 24031da177e4SLinus Torvalds } 24041da177e4SLinus Torvalds 24051da177e4SLinus Torvalds /* Copy the data from kernel memory to user memory 24061da177e4SLinus Torvalds */ 24071da177e4SLinus Torvalds if (copy_to_user((char __user *)arg, &karg, sizeof(hp_host_info_t))) { 24081da177e4SLinus Torvalds printk(KERN_ERR "%s@%d::mptctl_hpgethostinfo - " 24091da177e4SLinus Torvalds "Unable to write out hp_host_info @ %p\n", 24101da177e4SLinus Torvalds __FILE__, __LINE__, uarg); 24111da177e4SLinus Torvalds return -EFAULT; 24121da177e4SLinus Torvalds } 24131da177e4SLinus Torvalds 24141da177e4SLinus Torvalds return 0; 24151da177e4SLinus Torvalds 24161da177e4SLinus Torvalds } 24171da177e4SLinus Torvalds 24181da177e4SLinus Torvalds /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 24191da177e4SLinus Torvalds /* Prototype Routine for the HP TARGET INFO command. 24201da177e4SLinus Torvalds * 24211da177e4SLinus Torvalds * Outputs: None. 24221da177e4SLinus Torvalds * Return: 0 if successful 24231da177e4SLinus Torvalds * -EFAULT if data unavailable 24241da177e4SLinus Torvalds * -EBUSY if previous command timout and IOC reset is not complete. 24251da177e4SLinus Torvalds * -ENODEV if no such device/adapter 24261da177e4SLinus Torvalds * -ETIME if timer expires 24271da177e4SLinus Torvalds * -ENOMEM if memory allocation error 24281da177e4SLinus Torvalds */ 24291da177e4SLinus Torvalds static int 24301da177e4SLinus Torvalds mptctl_hp_targetinfo(unsigned long arg) 24311da177e4SLinus Torvalds { 24321da177e4SLinus Torvalds hp_target_info_t __user *uarg = (void __user *) arg; 24331da177e4SLinus Torvalds SCSIDevicePage0_t *pg0_alloc; 24341da177e4SLinus Torvalds SCSIDevicePage3_t *pg3_alloc; 24351da177e4SLinus Torvalds MPT_ADAPTER *ioc; 24361da177e4SLinus Torvalds MPT_SCSI_HOST *hd = NULL; 24371da177e4SLinus Torvalds hp_target_info_t karg; 24381da177e4SLinus Torvalds int iocnum; 24391da177e4SLinus Torvalds int data_sz; 24401da177e4SLinus Torvalds dma_addr_t page_dma; 24411da177e4SLinus Torvalds CONFIGPARMS cfg; 24421da177e4SLinus Torvalds ConfigPageHeader_t hdr; 24431da177e4SLinus Torvalds int tmp, np, rc = 0; 24441da177e4SLinus Torvalds 24451da177e4SLinus Torvalds dctlprintk((": mptctl_hp_targetinfo called.\n")); 24461da177e4SLinus Torvalds if (copy_from_user(&karg, uarg, sizeof(hp_target_info_t))) { 24471da177e4SLinus Torvalds printk(KERN_ERR "%s@%d::mptctl_hp_targetinfo - " 24481da177e4SLinus Torvalds "Unable to read in hp_host_targetinfo struct @ %p\n", 24491da177e4SLinus Torvalds __FILE__, __LINE__, uarg); 24501da177e4SLinus Torvalds return -EFAULT; 24511da177e4SLinus Torvalds } 24521da177e4SLinus Torvalds 24531da177e4SLinus Torvalds if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || 24541da177e4SLinus Torvalds (ioc == NULL)) { 24551da177e4SLinus Torvalds dctlprintk((KERN_ERR "%s::mptctl_hp_targetinfo() @%d - ioc%d not found!\n", 24561da177e4SLinus Torvalds __FILE__, __LINE__, iocnum)); 24571da177e4SLinus Torvalds return -ENODEV; 24581da177e4SLinus Torvalds } 24591da177e4SLinus Torvalds 24601da177e4SLinus Torvalds /* There is nothing to do for FCP parts. 24611da177e4SLinus Torvalds */ 24621da177e4SLinus Torvalds if (ioc->bus_type == FC) 24631da177e4SLinus Torvalds return 0; 24641da177e4SLinus Torvalds 24651da177e4SLinus Torvalds if ((ioc->spi_data.sdp0length == 0) || (ioc->sh == NULL)) 24661da177e4SLinus Torvalds return 0; 24671da177e4SLinus Torvalds 24681da177e4SLinus Torvalds if (ioc->sh->host_no != karg.hdr.host) 24691da177e4SLinus Torvalds return -ENODEV; 24701da177e4SLinus Torvalds 24711da177e4SLinus Torvalds /* Get the data transfer speeds 24721da177e4SLinus Torvalds */ 24731da177e4SLinus Torvalds data_sz = ioc->spi_data.sdp0length * 4; 24741da177e4SLinus Torvalds pg0_alloc = (SCSIDevicePage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page_dma); 24751da177e4SLinus Torvalds if (pg0_alloc) { 24761da177e4SLinus Torvalds hdr.PageVersion = ioc->spi_data.sdp0version; 24771da177e4SLinus Torvalds hdr.PageLength = data_sz; 24781da177e4SLinus Torvalds hdr.PageNumber = 0; 24791da177e4SLinus Torvalds hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; 24801da177e4SLinus Torvalds 248169218ee5SChristoph Hellwig cfg.cfghdr.hdr = &hdr; 24821da177e4SLinus Torvalds cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 24831da177e4SLinus Torvalds cfg.dir = 0; 24841da177e4SLinus Torvalds cfg.timeout = 0; 24851da177e4SLinus Torvalds cfg.physAddr = page_dma; 24861da177e4SLinus Torvalds 24871da177e4SLinus Torvalds cfg.pageAddr = (karg.hdr.channel << 8) | karg.hdr.id; 24881da177e4SLinus Torvalds 24891da177e4SLinus Torvalds if ((rc = mpt_config(ioc, &cfg)) == 0) { 24901da177e4SLinus Torvalds np = le32_to_cpu(pg0_alloc->NegotiatedParameters); 24911da177e4SLinus Torvalds karg.negotiated_width = np & MPI_SCSIDEVPAGE0_NP_WIDE ? 24921da177e4SLinus Torvalds HP_BUS_WIDTH_16 : HP_BUS_WIDTH_8; 24931da177e4SLinus Torvalds 24941da177e4SLinus Torvalds if (np & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK) { 24951da177e4SLinus Torvalds tmp = (np & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK) >> 8; 24961da177e4SLinus Torvalds if (tmp < 0x09) 24971da177e4SLinus Torvalds karg.negotiated_speed = HP_DEV_SPEED_ULTRA320; 24981da177e4SLinus Torvalds else if (tmp <= 0x09) 24991da177e4SLinus Torvalds karg.negotiated_speed = HP_DEV_SPEED_ULTRA160; 25001da177e4SLinus Torvalds else if (tmp <= 0x0A) 25011da177e4SLinus Torvalds karg.negotiated_speed = HP_DEV_SPEED_ULTRA2; 25021da177e4SLinus Torvalds else if (tmp <= 0x0C) 25031da177e4SLinus Torvalds karg.negotiated_speed = HP_DEV_SPEED_ULTRA; 25041da177e4SLinus Torvalds else if (tmp <= 0x25) 25051da177e4SLinus Torvalds karg.negotiated_speed = HP_DEV_SPEED_FAST; 25061da177e4SLinus Torvalds else 25071da177e4SLinus Torvalds karg.negotiated_speed = HP_DEV_SPEED_ASYNC; 25081da177e4SLinus Torvalds } else 25091da177e4SLinus Torvalds karg.negotiated_speed = HP_DEV_SPEED_ASYNC; 25101da177e4SLinus Torvalds } 25111da177e4SLinus Torvalds 25121da177e4SLinus Torvalds pci_free_consistent(ioc->pcidev, data_sz, (u8 *) pg0_alloc, page_dma); 25131da177e4SLinus Torvalds } 25141da177e4SLinus Torvalds 25151da177e4SLinus Torvalds /* Set defaults 25161da177e4SLinus Torvalds */ 25171da177e4SLinus Torvalds karg.message_rejects = -1; 25181da177e4SLinus Torvalds karg.phase_errors = -1; 25191da177e4SLinus Torvalds karg.parity_errors = -1; 25201da177e4SLinus Torvalds karg.select_timeouts = -1; 25211da177e4SLinus Torvalds 25221da177e4SLinus Torvalds /* Get the target error parameters 25231da177e4SLinus Torvalds */ 25241da177e4SLinus Torvalds hdr.PageVersion = 0; 25251da177e4SLinus Torvalds hdr.PageLength = 0; 25261da177e4SLinus Torvalds hdr.PageNumber = 3; 25271da177e4SLinus Torvalds hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; 25281da177e4SLinus Torvalds 252969218ee5SChristoph Hellwig cfg.cfghdr.hdr = &hdr; 25301da177e4SLinus Torvalds cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 25311da177e4SLinus Torvalds cfg.dir = 0; 25321da177e4SLinus Torvalds cfg.timeout = 0; 25331da177e4SLinus Torvalds cfg.physAddr = -1; 253469218ee5SChristoph Hellwig if ((mpt_config(ioc, &cfg) == 0) && (cfg.cfghdr.hdr->PageLength > 0)) { 25351da177e4SLinus Torvalds /* Issue the second config page request */ 25361da177e4SLinus Torvalds cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 253769218ee5SChristoph Hellwig data_sz = (int) cfg.cfghdr.hdr->PageLength * 4; 25381da177e4SLinus Torvalds pg3_alloc = (SCSIDevicePage3_t *) pci_alloc_consistent( 25391da177e4SLinus Torvalds ioc->pcidev, data_sz, &page_dma); 25401da177e4SLinus Torvalds if (pg3_alloc) { 25411da177e4SLinus Torvalds cfg.physAddr = page_dma; 25421da177e4SLinus Torvalds cfg.pageAddr = (karg.hdr.channel << 8) | karg.hdr.id; 25431da177e4SLinus Torvalds if ((rc = mpt_config(ioc, &cfg)) == 0) { 25441da177e4SLinus Torvalds karg.message_rejects = (u32) le16_to_cpu(pg3_alloc->MsgRejectCount); 25451da177e4SLinus Torvalds karg.phase_errors = (u32) le16_to_cpu(pg3_alloc->PhaseErrorCount); 25461da177e4SLinus Torvalds karg.parity_errors = (u32) le16_to_cpu(pg3_alloc->ParityErrorCount); 25471da177e4SLinus Torvalds } 25481da177e4SLinus Torvalds pci_free_consistent(ioc->pcidev, data_sz, (u8 *) pg3_alloc, page_dma); 25491da177e4SLinus Torvalds } 25501da177e4SLinus Torvalds } 25511da177e4SLinus Torvalds hd = (MPT_SCSI_HOST *) ioc->sh->hostdata; 25521da177e4SLinus Torvalds if (hd != NULL) 25531da177e4SLinus Torvalds karg.select_timeouts = hd->sel_timeout[karg.hdr.id]; 25541da177e4SLinus Torvalds 25551da177e4SLinus Torvalds /* Copy the data from kernel memory to user memory 25561da177e4SLinus Torvalds */ 25571da177e4SLinus Torvalds if (copy_to_user((char __user *)arg, &karg, sizeof(hp_target_info_t))) { 25581da177e4SLinus Torvalds printk(KERN_ERR "%s@%d::mptctl_hp_target_info - " 25591da177e4SLinus Torvalds "Unable to write out mpt_ioctl_targetinfo struct @ %p\n", 25601da177e4SLinus Torvalds __FILE__, __LINE__, uarg); 25611da177e4SLinus Torvalds return -EFAULT; 25621da177e4SLinus Torvalds } 25631da177e4SLinus Torvalds 25641da177e4SLinus Torvalds return 0; 25651da177e4SLinus Torvalds } 25661da177e4SLinus Torvalds 25671da177e4SLinus Torvalds /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 25681da177e4SLinus Torvalds 25691da177e4SLinus Torvalds static struct file_operations mptctl_fops = { 25701da177e4SLinus Torvalds .owner = THIS_MODULE, 25711da177e4SLinus Torvalds .llseek = no_llseek, 25721da177e4SLinus Torvalds .unlocked_ioctl = mptctl_ioctl, 25731da177e4SLinus Torvalds #ifdef CONFIG_COMPAT 25741da177e4SLinus Torvalds .compat_ioctl = compat_mpctl_ioctl, 25751da177e4SLinus Torvalds #endif 25761da177e4SLinus Torvalds }; 25771da177e4SLinus Torvalds 25781da177e4SLinus Torvalds static struct miscdevice mptctl_miscdev = { 25791da177e4SLinus Torvalds MPT_MINOR, 25801da177e4SLinus Torvalds MYNAM, 25811da177e4SLinus Torvalds &mptctl_fops 25821da177e4SLinus Torvalds }; 25831da177e4SLinus Torvalds 25841da177e4SLinus Torvalds /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 25851da177e4SLinus Torvalds 25861da177e4SLinus Torvalds #ifdef CONFIG_COMPAT 25871da177e4SLinus Torvalds 25881da177e4SLinus Torvalds #include <linux/ioctl32.h> 25891da177e4SLinus Torvalds 25901da177e4SLinus Torvalds static int 25911da177e4SLinus Torvalds compat_mptfwxfer_ioctl(struct file *filp, unsigned int cmd, 25921da177e4SLinus Torvalds unsigned long arg) 25931da177e4SLinus Torvalds { 25941da177e4SLinus Torvalds struct mpt_fw_xfer32 kfw32; 25951da177e4SLinus Torvalds struct mpt_fw_xfer kfw; 25961da177e4SLinus Torvalds MPT_ADAPTER *iocp = NULL; 25971da177e4SLinus Torvalds int iocnum, iocnumX; 25981da177e4SLinus Torvalds int nonblock = (filp->f_flags & O_NONBLOCK); 25991da177e4SLinus Torvalds int ret; 26001da177e4SLinus Torvalds 26011da177e4SLinus Torvalds dctlprintk((KERN_INFO MYNAM "::compat_mptfwxfer_ioctl() called\n")); 26021da177e4SLinus Torvalds 26031da177e4SLinus Torvalds if (copy_from_user(&kfw32, (char __user *)arg, sizeof(kfw32))) 26041da177e4SLinus Torvalds return -EFAULT; 26051da177e4SLinus Torvalds 26061da177e4SLinus Torvalds /* Verify intended MPT adapter */ 26071da177e4SLinus Torvalds iocnumX = kfw32.iocnum & 0xFF; 26081da177e4SLinus Torvalds if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) || 26091da177e4SLinus Torvalds (iocp == NULL)) { 26101da177e4SLinus Torvalds dctlprintk((KERN_ERR MYNAM "::compat_mptfwxfer_ioctl @%d - ioc%d not found!\n", 26111da177e4SLinus Torvalds __LINE__, iocnumX)); 26121da177e4SLinus Torvalds return -ENODEV; 26131da177e4SLinus Torvalds } 26141da177e4SLinus Torvalds 26151da177e4SLinus Torvalds if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0) 26161da177e4SLinus Torvalds return ret; 26171da177e4SLinus Torvalds 26181da177e4SLinus Torvalds kfw.iocnum = iocnum; 26191da177e4SLinus Torvalds kfw.fwlen = kfw32.fwlen; 26201da177e4SLinus Torvalds kfw.bufp = compat_ptr(kfw32.bufp); 26211da177e4SLinus Torvalds 26221da177e4SLinus Torvalds ret = mptctl_do_fw_download(kfw.iocnum, kfw.bufp, kfw.fwlen); 26231da177e4SLinus Torvalds 26241da177e4SLinus Torvalds up(&iocp->ioctl->sem_ioc); 26251da177e4SLinus Torvalds 26261da177e4SLinus Torvalds return ret; 26271da177e4SLinus Torvalds } 26281da177e4SLinus Torvalds 26291da177e4SLinus Torvalds static int 26301da177e4SLinus Torvalds compat_mpt_command(struct file *filp, unsigned int cmd, 26311da177e4SLinus Torvalds unsigned long arg) 26321da177e4SLinus Torvalds { 26331da177e4SLinus Torvalds struct mpt_ioctl_command32 karg32; 26341da177e4SLinus Torvalds struct mpt_ioctl_command32 __user *uarg = (struct mpt_ioctl_command32 __user *) arg; 26351da177e4SLinus Torvalds struct mpt_ioctl_command karg; 26361da177e4SLinus Torvalds MPT_ADAPTER *iocp = NULL; 26371da177e4SLinus Torvalds int iocnum, iocnumX; 26381da177e4SLinus Torvalds int nonblock = (filp->f_flags & O_NONBLOCK); 26391da177e4SLinus Torvalds int ret; 26401da177e4SLinus Torvalds 26411da177e4SLinus Torvalds dctlprintk((KERN_INFO MYNAM "::compat_mpt_command() called\n")); 26421da177e4SLinus Torvalds 26431da177e4SLinus Torvalds if (copy_from_user(&karg32, (char __user *)arg, sizeof(karg32))) 26441da177e4SLinus Torvalds return -EFAULT; 26451da177e4SLinus Torvalds 26461da177e4SLinus Torvalds /* Verify intended MPT adapter */ 26471da177e4SLinus Torvalds iocnumX = karg32.hdr.iocnum & 0xFF; 26481da177e4SLinus Torvalds if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) || 26491da177e4SLinus Torvalds (iocp == NULL)) { 26501da177e4SLinus Torvalds dctlprintk((KERN_ERR MYNAM "::compat_mpt_command @%d - ioc%d not found!\n", 26511da177e4SLinus Torvalds __LINE__, iocnumX)); 26521da177e4SLinus Torvalds return -ENODEV; 26531da177e4SLinus Torvalds } 26541da177e4SLinus Torvalds 26551da177e4SLinus Torvalds if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0) 26561da177e4SLinus Torvalds return ret; 26571da177e4SLinus Torvalds 26581da177e4SLinus Torvalds /* Copy data to karg */ 26591da177e4SLinus Torvalds karg.hdr.iocnum = karg32.hdr.iocnum; 26601da177e4SLinus Torvalds karg.hdr.port = karg32.hdr.port; 26611da177e4SLinus Torvalds karg.timeout = karg32.timeout; 26621da177e4SLinus Torvalds karg.maxReplyBytes = karg32.maxReplyBytes; 26631da177e4SLinus Torvalds 26641da177e4SLinus Torvalds karg.dataInSize = karg32.dataInSize; 26651da177e4SLinus Torvalds karg.dataOutSize = karg32.dataOutSize; 26661da177e4SLinus Torvalds karg.maxSenseBytes = karg32.maxSenseBytes; 26671da177e4SLinus Torvalds karg.dataSgeOffset = karg32.dataSgeOffset; 26681da177e4SLinus Torvalds 26691da177e4SLinus Torvalds karg.replyFrameBufPtr = (char __user *)(unsigned long)karg32.replyFrameBufPtr; 26701da177e4SLinus Torvalds karg.dataInBufPtr = (char __user *)(unsigned long)karg32.dataInBufPtr; 26711da177e4SLinus Torvalds karg.dataOutBufPtr = (char __user *)(unsigned long)karg32.dataOutBufPtr; 26721da177e4SLinus Torvalds karg.senseDataPtr = (char __user *)(unsigned long)karg32.senseDataPtr; 26731da177e4SLinus Torvalds 26741da177e4SLinus Torvalds /* Pass new structure to do_mpt_command 26751da177e4SLinus Torvalds */ 26761da177e4SLinus Torvalds ret = mptctl_do_mpt_command (karg, &uarg->MF); 26771da177e4SLinus Torvalds 26781da177e4SLinus Torvalds up(&iocp->ioctl->sem_ioc); 26791da177e4SLinus Torvalds 26801da177e4SLinus Torvalds return ret; 26811da177e4SLinus Torvalds } 26821da177e4SLinus Torvalds 26831da177e4SLinus Torvalds static long compat_mpctl_ioctl(struct file *f, unsigned int cmd, unsigned long arg) 26841da177e4SLinus Torvalds { 26851da177e4SLinus Torvalds long ret; 26861da177e4SLinus Torvalds lock_kernel(); 26871da177e4SLinus Torvalds switch (cmd) { 26881da177e4SLinus Torvalds case MPTIOCINFO: 26891da177e4SLinus Torvalds case MPTIOCINFO1: 26901da177e4SLinus Torvalds case MPTIOCINFO2: 26911da177e4SLinus Torvalds case MPTTARGETINFO: 26921da177e4SLinus Torvalds case MPTEVENTQUERY: 26931da177e4SLinus Torvalds case MPTEVENTENABLE: 26941da177e4SLinus Torvalds case MPTEVENTREPORT: 26951da177e4SLinus Torvalds case MPTHARDRESET: 26961da177e4SLinus Torvalds case HP_GETHOSTINFO: 26971da177e4SLinus Torvalds case HP_GETTARGETINFO: 26981da177e4SLinus Torvalds case MPTTEST: 26991da177e4SLinus Torvalds ret = __mptctl_ioctl(f, cmd, arg); 27001da177e4SLinus Torvalds break; 27011da177e4SLinus Torvalds case MPTCOMMAND32: 27021da177e4SLinus Torvalds ret = compat_mpt_command(f, cmd, arg); 27031da177e4SLinus Torvalds break; 27041da177e4SLinus Torvalds case MPTFWDOWNLOAD32: 27051da177e4SLinus Torvalds ret = compat_mptfwxfer_ioctl(f, cmd, arg); 27061da177e4SLinus Torvalds break; 27071da177e4SLinus Torvalds default: 27081da177e4SLinus Torvalds ret = -ENOIOCTLCMD; 27091da177e4SLinus Torvalds break; 27101da177e4SLinus Torvalds } 27111da177e4SLinus Torvalds unlock_kernel(); 27121da177e4SLinus Torvalds return ret; 27131da177e4SLinus Torvalds } 27141da177e4SLinus Torvalds 27151da177e4SLinus Torvalds #endif 27161da177e4SLinus Torvalds 27171da177e4SLinus Torvalds 27181da177e4SLinus Torvalds /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 27191da177e4SLinus Torvalds /* 27201da177e4SLinus Torvalds * mptctl_probe - Installs ioctl devices per bus. 27211da177e4SLinus Torvalds * @pdev: Pointer to pci_dev structure 27221da177e4SLinus Torvalds * 27231da177e4SLinus Torvalds * Returns 0 for success, non-zero for failure. 27241da177e4SLinus Torvalds * 27251da177e4SLinus Torvalds */ 27261da177e4SLinus Torvalds 27271da177e4SLinus Torvalds static int 27281da177e4SLinus Torvalds mptctl_probe(struct pci_dev *pdev, const struct pci_device_id *id) 27291da177e4SLinus Torvalds { 27301da177e4SLinus Torvalds int err; 27311da177e4SLinus Torvalds int sz; 27321da177e4SLinus Torvalds u8 *mem; 27331da177e4SLinus Torvalds MPT_ADAPTER *ioc = pci_get_drvdata(pdev); 27341da177e4SLinus Torvalds 27351da177e4SLinus Torvalds /* 27361da177e4SLinus Torvalds * Allocate and inite a MPT_IOCTL structure 27371da177e4SLinus Torvalds */ 27381da177e4SLinus Torvalds sz = sizeof (MPT_IOCTL); 27391da177e4SLinus Torvalds mem = kmalloc(sz, GFP_KERNEL); 27401da177e4SLinus Torvalds if (mem == NULL) { 27411da177e4SLinus Torvalds err = -ENOMEM; 27421da177e4SLinus Torvalds goto out_fail; 27431da177e4SLinus Torvalds } 27441da177e4SLinus Torvalds 27451da177e4SLinus Torvalds memset(mem, 0, sz); 27461da177e4SLinus Torvalds ioc->ioctl = (MPT_IOCTL *) mem; 27471da177e4SLinus Torvalds ioc->ioctl->ioc = ioc; 27481da177e4SLinus Torvalds sema_init(&ioc->ioctl->sem_ioc, 1); 27491da177e4SLinus Torvalds return 0; 27501da177e4SLinus Torvalds 27511da177e4SLinus Torvalds out_fail: 27521da177e4SLinus Torvalds 27531da177e4SLinus Torvalds mptctl_remove(pdev); 27541da177e4SLinus Torvalds return err; 27551da177e4SLinus Torvalds } 27561da177e4SLinus Torvalds 27571da177e4SLinus Torvalds /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 27581da177e4SLinus Torvalds /* 27591da177e4SLinus Torvalds * mptctl_remove - Removed ioctl devices 27601da177e4SLinus Torvalds * @pdev: Pointer to pci_dev structure 27611da177e4SLinus Torvalds * 27621da177e4SLinus Torvalds * 27631da177e4SLinus Torvalds */ 27641da177e4SLinus Torvalds static void 27651da177e4SLinus Torvalds mptctl_remove(struct pci_dev *pdev) 27661da177e4SLinus Torvalds { 27671da177e4SLinus Torvalds MPT_ADAPTER *ioc = pci_get_drvdata(pdev); 27681da177e4SLinus Torvalds 27691da177e4SLinus Torvalds kfree ( ioc->ioctl ); 27701da177e4SLinus Torvalds } 27711da177e4SLinus Torvalds 27721da177e4SLinus Torvalds static struct mpt_pci_driver mptctl_driver = { 27731da177e4SLinus Torvalds .probe = mptctl_probe, 27741da177e4SLinus Torvalds .remove = mptctl_remove, 27751da177e4SLinus Torvalds }; 27761da177e4SLinus Torvalds 27771da177e4SLinus Torvalds /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 27781da177e4SLinus Torvalds static int __init mptctl_init(void) 27791da177e4SLinus Torvalds { 27801da177e4SLinus Torvalds int err; 27811da177e4SLinus Torvalds int where = 1; 27821da177e4SLinus Torvalds 27831da177e4SLinus Torvalds show_mptmod_ver(my_NAME, my_VERSION); 27841da177e4SLinus Torvalds 27851da177e4SLinus Torvalds if(mpt_device_driver_register(&mptctl_driver, 27861da177e4SLinus Torvalds MPTCTL_DRIVER) != 0 ) { 27871da177e4SLinus Torvalds dprintk((KERN_INFO MYNAM 27881da177e4SLinus Torvalds ": failed to register dd callbacks\n")); 27891da177e4SLinus Torvalds } 27901da177e4SLinus Torvalds 27911da177e4SLinus Torvalds /* Register this device */ 27921da177e4SLinus Torvalds err = misc_register(&mptctl_miscdev); 27931da177e4SLinus Torvalds if (err < 0) { 27941da177e4SLinus Torvalds printk(KERN_ERR MYNAM ": Can't register misc device [minor=%d].\n", MPT_MINOR); 27951da177e4SLinus Torvalds goto out_fail; 27961da177e4SLinus Torvalds } 27971da177e4SLinus Torvalds printk(KERN_INFO MYNAM ": Registered with Fusion MPT base driver\n"); 27981da177e4SLinus Torvalds printk(KERN_INFO MYNAM ": /dev/%s @ (major,minor=%d,%d)\n", 27991da177e4SLinus Torvalds mptctl_miscdev.name, MISC_MAJOR, mptctl_miscdev.minor); 28001da177e4SLinus Torvalds 28011da177e4SLinus Torvalds /* 28021da177e4SLinus Torvalds * Install our handler 28031da177e4SLinus Torvalds */ 28041da177e4SLinus Torvalds ++where; 28051da177e4SLinus Torvalds if ((mptctl_id = mpt_register(mptctl_reply, MPTCTL_DRIVER)) < 0) { 28061da177e4SLinus Torvalds printk(KERN_ERR MYNAM ": ERROR: Failed to register with Fusion MPT base driver\n"); 28071da177e4SLinus Torvalds misc_deregister(&mptctl_miscdev); 28081da177e4SLinus Torvalds err = -EBUSY; 28091da177e4SLinus Torvalds goto out_fail; 28101da177e4SLinus Torvalds } 28111da177e4SLinus Torvalds 28121da177e4SLinus Torvalds if (mpt_reset_register(mptctl_id, mptctl_ioc_reset) == 0) { 28131da177e4SLinus Torvalds dprintk((KERN_INFO MYNAM ": Registered for IOC reset notifications\n")); 28141da177e4SLinus Torvalds } else { 28151da177e4SLinus Torvalds /* FIXME! */ 28161da177e4SLinus Torvalds } 28171da177e4SLinus Torvalds 28181da177e4SLinus Torvalds return 0; 28191da177e4SLinus Torvalds 28201da177e4SLinus Torvalds out_fail: 28211da177e4SLinus Torvalds 28221da177e4SLinus Torvalds mpt_device_driver_deregister(MPTCTL_DRIVER); 28231da177e4SLinus Torvalds 28241da177e4SLinus Torvalds return err; 28251da177e4SLinus Torvalds } 28261da177e4SLinus Torvalds 28271da177e4SLinus Torvalds /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 28281da177e4SLinus Torvalds static void mptctl_exit(void) 28291da177e4SLinus Torvalds { 28301da177e4SLinus Torvalds misc_deregister(&mptctl_miscdev); 28311da177e4SLinus Torvalds printk(KERN_INFO MYNAM ": Deregistered /dev/%s @ (major,minor=%d,%d)\n", 28321da177e4SLinus Torvalds mptctl_miscdev.name, MISC_MAJOR, mptctl_miscdev.minor); 28331da177e4SLinus Torvalds 28341da177e4SLinus Torvalds /* De-register reset handler from base module */ 28351da177e4SLinus Torvalds mpt_reset_deregister(mptctl_id); 28361da177e4SLinus Torvalds dprintk((KERN_INFO MYNAM ": Deregistered for IOC reset notifications\n")); 28371da177e4SLinus Torvalds 28381da177e4SLinus Torvalds /* De-register callback handler from base module */ 28391da177e4SLinus Torvalds mpt_deregister(mptctl_id); 28401da177e4SLinus Torvalds printk(KERN_INFO MYNAM ": Deregistered from Fusion MPT base driver\n"); 28411da177e4SLinus Torvalds 28421da177e4SLinus Torvalds mpt_device_driver_deregister(MPTCTL_DRIVER); 28431da177e4SLinus Torvalds 28441da177e4SLinus Torvalds } 28451da177e4SLinus Torvalds 28461da177e4SLinus Torvalds /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 28471da177e4SLinus Torvalds 28481da177e4SLinus Torvalds module_init(mptctl_init); 28491da177e4SLinus Torvalds module_exit(mptctl_exit); 2850