| /* |
| * linux/drivers/message/fusion/mptctl.c |
| * mpt Ioctl driver. |
| * For use with LSI PCI chip/adapters |
| * running LSI Fusion MPT (Message Passing Technology) firmware. |
| * |
| * Copyright (c) 1999-2008 LSI Corporation |
| * (mailto:DL-MPTFusionLinux@lsi.com) |
| * |
| */ |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /* |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; version 2 of the License. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| NO WARRANTY |
| THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR |
| CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT |
| LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, |
| MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is |
| solely responsible for determining the appropriateness of using and |
| distributing the Program and assumes all risks associated with its |
| exercise of rights under this Agreement, including but not limited to |
| the risks and costs of program errors, damage to or loss of data, |
| programs or equipment, and unavailability or interruption of operations. |
| |
| DISCLAIMER OF LIABILITY |
| NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY |
| DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND |
| ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR |
| TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE |
| USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED |
| HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| |
| #include <linux/kernel.h> |
| #include <linux/module.h> |
| #include <linux/errno.h> |
| #include <linux/init.h> |
| #include <linux/slab.h> |
| #include <linux/types.h> |
| #include <linux/pci.h> |
| #include <linux/delay.h> /* for mdelay */ |
| #include <linux/miscdevice.h> |
| #include <linux/mutex.h> |
| #include <linux/compat.h> |
| |
| #include <asm/io.h> |
| #include <linux/uaccess.h> |
| |
| #include <scsi/scsi.h> |
| #include <scsi/scsi_cmnd.h> |
| #include <scsi/scsi_device.h> |
| #include <scsi/scsi_host.h> |
| #include <scsi/scsi_tcq.h> |
| |
| #define COPYRIGHT "Copyright (c) 1999-2008 LSI Corporation" |
| #define MODULEAUTHOR "LSI Corporation" |
| #include "mptbase.h" |
| #include "mptctl.h" |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| #define my_NAME "Fusion MPT misc device (ioctl) driver" |
| #define my_VERSION MPT_LINUX_VERSION_COMMON |
| #define MYNAM "mptctl" |
| |
| MODULE_AUTHOR(MODULEAUTHOR); |
| MODULE_DESCRIPTION(my_NAME); |
| MODULE_LICENSE("GPL"); |
| MODULE_VERSION(my_VERSION); |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| |
| static DEFINE_MUTEX(mpctl_mutex); |
| static u8 mptctl_id = MPT_MAX_PROTOCOL_DRIVERS; |
| static u8 mptctl_taskmgmt_id = MPT_MAX_PROTOCOL_DRIVERS; |
| |
| static DECLARE_WAIT_QUEUE_HEAD ( mptctl_wait ); |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| |
| struct buflist { |
| u8 *kptr; |
| int len; |
| }; |
| |
| /* |
| * Function prototypes. Called from OS entry point mptctl_ioctl. |
| * arg contents specific to function. |
| */ |
| static int mptctl_fw_download(unsigned long arg); |
| static int mptctl_getiocinfo(unsigned long arg, unsigned int cmd); |
| static int mptctl_gettargetinfo(unsigned long arg); |
| static int mptctl_readtest(unsigned long arg); |
| static int mptctl_mpt_command(unsigned long arg); |
| static int mptctl_eventquery(unsigned long arg); |
| static int mptctl_eventenable(unsigned long arg); |
| static int mptctl_eventreport(unsigned long arg); |
| static int mptctl_replace_fw(unsigned long arg); |
| |
| static int mptctl_do_reset(unsigned long arg); |
| static int mptctl_hp_hostinfo(unsigned long arg, unsigned int cmd); |
| static int mptctl_hp_targetinfo(unsigned long arg); |
| |
| static int mptctl_probe(struct pci_dev *, const struct pci_device_id *); |
| static void mptctl_remove(struct pci_dev *); |
| |
| #ifdef CONFIG_COMPAT |
| static long compat_mpctl_ioctl(struct file *f, unsigned cmd, unsigned long arg); |
| #endif |
| /* |
| * Private function calls. |
| */ |
| static int mptctl_do_mpt_command(struct mpt_ioctl_command karg, void __user *mfPtr); |
| static int mptctl_do_fw_download(int ioc, char __user *ufwbuf, size_t fwlen); |
| static MptSge_t *kbuf_alloc_2_sgl(int bytes, u32 dir, int sge_offset, int *frags, |
| struct buflist **blp, dma_addr_t *sglbuf_dma, MPT_ADAPTER *ioc); |
| static void kfree_sgl(MptSge_t *sgl, dma_addr_t sgl_dma, |
| struct buflist *buflist, MPT_ADAPTER *ioc); |
| |
| /* |
| * Reset Handler cleanup function |
| */ |
| static int mptctl_ioc_reset(MPT_ADAPTER *ioc, int reset_phase); |
| |
| /* |
| * Event Handler function |
| */ |
| static int mptctl_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply); |
| static struct fasync_struct *async_queue=NULL; |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /* |
| * Scatter gather list (SGL) sizes and limits... |
| */ |
| //#define MAX_SCSI_FRAGS 9 |
| #define MAX_FRAGS_SPILL1 9 |
| #define MAX_FRAGS_SPILL2 15 |
| #define FRAGS_PER_BUCKET (MAX_FRAGS_SPILL2 + 1) |
| |
| //#define MAX_CHAIN_FRAGS 64 |
| //#define MAX_CHAIN_FRAGS (15+15+15+16) |
| #define MAX_CHAIN_FRAGS (4 * MAX_FRAGS_SPILL2 + 1) |
| |
| // Define max sg LIST bytes ( == (#frags + #chains) * 8 bytes each) |
| // Works out to: 592d bytes! (9+1)*8 + 4*(15+1)*8 |
| // ^----------------- 80 + 512 |
| #define MAX_SGL_BYTES ((MAX_FRAGS_SPILL1 + 1 + (4 * FRAGS_PER_BUCKET)) * 8) |
| |
| /* linux only seems to ever give 128kB MAX contiguous (GFP_USER) mem bytes */ |
| #define MAX_KMALLOC_SZ (128*1024) |
| |
| #define MPT_IOCTL_DEFAULT_TIMEOUT 10 /* Default timeout value (seconds) */ |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /** |
| * mptctl_syscall_down - Down the MPT adapter syscall semaphore. |
| * @ioc: Pointer to MPT adapter |
| * @nonblock: boolean, non-zero if O_NONBLOCK is set |
| * |
| * All of the ioctl commands can potentially sleep, which is illegal |
| * with a spinlock held, thus we perform mutual exclusion here. |
| * |
| * Returns negative errno on error, or zero for success. |
| */ |
| static inline int |
| mptctl_syscall_down(MPT_ADAPTER *ioc, int nonblock) |
| { |
| int rc = 0; |
| |
| if (nonblock) { |
| if (!mutex_trylock(&ioc->ioctl_cmds.mutex)) |
| rc = -EAGAIN; |
| } else { |
| if (mutex_lock_interruptible(&ioc->ioctl_cmds.mutex)) |
| rc = -ERESTARTSYS; |
| } |
| return rc; |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /* |
| * This is the callback for any message we have posted. The message itself |
| * will be returned to the message pool when we return from the IRQ |
| * |
| * This runs in irq context so be short and sweet. |
| */ |
| static int |
| mptctl_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply) |
| { |
| char *sense_data; |
| int req_index; |
| int sz; |
| |
| if (!req) |
| return 0; |
| |
| dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "completing mpi function " |
| "(0x%02X), req=%p, reply=%p\n", ioc->name, req->u.hdr.Function, |
| req, reply)); |
| |
| /* |
| * Handling continuation of the same reply. Processing the first |
| * reply, and eating the other replys that come later. |
| */ |
| if (ioc->ioctl_cmds.msg_context != req->u.hdr.MsgContext) |
| goto out_continuation; |
| |
| ioc->ioctl_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD; |
| |
| if (!reply) |
| goto out; |
| |
| ioc->ioctl_cmds.status |= MPT_MGMT_STATUS_RF_VALID; |
| sz = min(ioc->reply_sz, 4*reply->u.reply.MsgLength); |
| memcpy(ioc->ioctl_cmds.reply, reply, sz); |
| |
| if (reply->u.reply.IOCStatus || reply->u.reply.IOCLogInfo) |
| dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
| "iocstatus (0x%04X), loginfo (0x%08X)\n", ioc->name, |
| le16_to_cpu(reply->u.reply.IOCStatus), |
| le32_to_cpu(reply->u.reply.IOCLogInfo))); |
| |
| if ((req->u.hdr.Function == MPI_FUNCTION_SCSI_IO_REQUEST) || |
| (req->u.hdr.Function == |
| MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) { |
| |
| if (reply->u.sreply.SCSIStatus || reply->u.sreply.SCSIState) |
| dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
| "scsi_status (0x%02x), scsi_state (0x%02x), " |
| "tag = (0x%04x), transfer_count (0x%08x)\n", ioc->name, |
| reply->u.sreply.SCSIStatus, |
| reply->u.sreply.SCSIState, |
| le16_to_cpu(reply->u.sreply.TaskTag), |
| le32_to_cpu(reply->u.sreply.TransferCount))); |
| |
| if (reply->u.sreply.SCSIState & |
| MPI_SCSI_STATE_AUTOSENSE_VALID) { |
| sz = req->u.scsireq.SenseBufferLength; |
| req_index = |
| le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx); |
| sense_data = ((u8 *)ioc->sense_buf_pool + |
| (req_index * MPT_SENSE_BUFFER_ALLOC)); |
| memcpy(ioc->ioctl_cmds.sense, sense_data, sz); |
| ioc->ioctl_cmds.status |= MPT_MGMT_STATUS_SENSE_VALID; |
| } |
| } |
| |
| out: |
| /* We are done, issue wake up |
| */ |
| if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_PENDING) { |
| if (req->u.hdr.Function == MPI_FUNCTION_SCSI_TASK_MGMT) { |
| mpt_clear_taskmgmt_in_progress_flag(ioc); |
| ioc->ioctl_cmds.status &= ~MPT_MGMT_STATUS_PENDING; |
| complete(&ioc->ioctl_cmds.done); |
| if (ioc->bus_type == SAS) |
| ioc->schedule_target_reset(ioc); |
| } else { |
| ioc->ioctl_cmds.status &= ~MPT_MGMT_STATUS_PENDING; |
| complete(&ioc->ioctl_cmds.done); |
| } |
| } |
| |
| out_continuation: |
| if (reply && (reply->u.reply.MsgFlags & |
| MPI_MSGFLAGS_CONTINUATION_REPLY)) |
| return 0; |
| return 1; |
| } |
| |
| |
| static int |
| mptctl_taskmgmt_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr) |
| { |
| if (!mf) |
| return 0; |
| |
| dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
| "TaskMgmt completed (mf=%p, mr=%p)\n", |
| ioc->name, mf, mr)); |
| |
| ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD; |
| |
| if (!mr) |
| goto out; |
| |
| ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID; |
| memcpy(ioc->taskmgmt_cmds.reply, mr, |
| min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength)); |
| out: |
| if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) { |
| mpt_clear_taskmgmt_in_progress_flag(ioc); |
| ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING; |
| complete(&ioc->taskmgmt_cmds.done); |
| if (ioc->bus_type == SAS) |
| ioc->schedule_target_reset(ioc); |
| return 1; |
| } |
| return 0; |
| } |
| |
| static int |
| mptctl_do_taskmgmt(MPT_ADAPTER *ioc, u8 tm_type, u8 bus_id, u8 target_id) |
| { |
| MPT_FRAME_HDR *mf; |
| SCSITaskMgmt_t *pScsiTm; |
| SCSITaskMgmtReply_t *pScsiTmReply; |
| int ii; |
| int retval; |
| unsigned long timeout; |
| unsigned long time_count; |
| u16 iocstatus; |
| |
| |
| mutex_lock(&ioc->taskmgmt_cmds.mutex); |
| if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) { |
| mutex_unlock(&ioc->taskmgmt_cmds.mutex); |
| return -EPERM; |
| } |
| |
| retval = 0; |
| |
| mf = mpt_get_msg_frame(mptctl_taskmgmt_id, ioc); |
| if (mf == NULL) { |
| dtmprintk(ioc, |
| printk(MYIOC_s_WARN_FMT "TaskMgmt, no msg frames!!\n", |
| ioc->name)); |
| mpt_clear_taskmgmt_in_progress_flag(ioc); |
| retval = -ENOMEM; |
| goto tm_done; |
| } |
| |
| dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n", |
| ioc->name, mf)); |
| |
| pScsiTm = (SCSITaskMgmt_t *) mf; |
| memset(pScsiTm, 0, sizeof(SCSITaskMgmt_t)); |
| pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT; |
| pScsiTm->TaskType = tm_type; |
| if ((tm_type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS) && |
| (ioc->bus_type == FC)) |
| pScsiTm->MsgFlags = |
| MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION; |
| pScsiTm->TargetID = target_id; |
| pScsiTm->Bus = bus_id; |
| pScsiTm->ChainOffset = 0; |
| pScsiTm->Reserved = 0; |
| pScsiTm->Reserved1 = 0; |
| pScsiTm->TaskMsgContext = 0; |
| for (ii= 0; ii < 8; ii++) |
| pScsiTm->LUN[ii] = 0; |
| for (ii=0; ii < 7; ii++) |
| pScsiTm->Reserved2[ii] = 0; |
| |
| switch (ioc->bus_type) { |
| case FC: |
| timeout = 40; |
| break; |
| case SAS: |
| timeout = 30; |
| break; |
| case SPI: |
| default: |
| timeout = 10; |
| break; |
| } |
| |
| dtmprintk(ioc, |
| printk(MYIOC_s_DEBUG_FMT "TaskMgmt type=%d timeout=%ld\n", |
| ioc->name, tm_type, timeout)); |
| |
| INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status) |
| time_count = jiffies; |
| if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) && |
| (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) |
| mpt_put_msg_frame_hi_pri(mptctl_taskmgmt_id, ioc, mf); |
| else { |
| retval = mpt_send_handshake_request(mptctl_taskmgmt_id, ioc, |
| sizeof(SCSITaskMgmt_t), (u32 *)pScsiTm, CAN_SLEEP); |
| if (retval != 0) { |
| dfailprintk(ioc, |
| printk(MYIOC_s_ERR_FMT |
| "TaskMgmt send_handshake FAILED!" |
| " (ioc %p, mf %p, rc=%d) \n", ioc->name, |
| ioc, mf, retval)); |
| mpt_free_msg_frame(ioc, mf); |
| mpt_clear_taskmgmt_in_progress_flag(ioc); |
| goto tm_done; |
| } |
| } |
| |
| /* Now wait for the command to complete */ |
| ii = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done, timeout*HZ); |
| |
| if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { |
| dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
| "TaskMgmt failed\n", ioc->name)); |
| mpt_free_msg_frame(ioc, mf); |
| mpt_clear_taskmgmt_in_progress_flag(ioc); |
| if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) |
| retval = 0; |
| else |
| retval = -1; /* return failure */ |
| goto tm_done; |
| } |
| |
| if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) { |
| dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
| "TaskMgmt failed\n", ioc->name)); |
| retval = -1; /* return failure */ |
| goto tm_done; |
| } |
| |
| pScsiTmReply = (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply; |
| dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
| "TaskMgmt fw_channel = %d, fw_id = %d, task_type=0x%02X, " |
| "iocstatus=0x%04X\n\tloginfo=0x%08X, response_code=0x%02X, " |
| "term_cmnds=%d\n", ioc->name, pScsiTmReply->Bus, |
| pScsiTmReply->TargetID, tm_type, |
| le16_to_cpu(pScsiTmReply->IOCStatus), |
| le32_to_cpu(pScsiTmReply->IOCLogInfo), |
| pScsiTmReply->ResponseCode, |
| le32_to_cpu(pScsiTmReply->TerminationCount))); |
| |
| iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK; |
| |
| if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED || |
| iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED || |
| iocstatus == MPI_IOCSTATUS_SUCCESS) |
| retval = 0; |
| else { |
| dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
| "TaskMgmt failed\n", ioc->name)); |
| retval = -1; /* return failure */ |
| } |
| |
| tm_done: |
| mutex_unlock(&ioc->taskmgmt_cmds.mutex); |
| CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status) |
| return retval; |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /* mptctl_timeout_expired |
| * |
| * Expecting an interrupt, however timed out. |
| * |
| */ |
| static void |
| mptctl_timeout_expired(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf) |
| { |
| unsigned long flags; |
| int ret_val = -1; |
| SCSIIORequest_t *scsi_req = (SCSIIORequest_t *) mf; |
| u8 function = mf->u.hdr.Function; |
| |
| dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": %s\n", |
| ioc->name, __func__)); |
| |
| if (mpt_fwfault_debug) |
| mpt_halt_firmware(ioc); |
| |
| spin_lock_irqsave(&ioc->taskmgmt_lock, flags); |
| if (ioc->ioc_reset_in_progress) { |
| spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); |
| CLEAR_MGMT_PENDING_STATUS(ioc->ioctl_cmds.status) |
| mpt_free_msg_frame(ioc, mf); |
| return; |
| } |
| spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); |
| |
| |
| CLEAR_MGMT_PENDING_STATUS(ioc->ioctl_cmds.status) |
| |
| if (ioc->bus_type == SAS) { |
| if (function == MPI_FUNCTION_SCSI_IO_REQUEST) |
| ret_val = mptctl_do_taskmgmt(ioc, |
| MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET, |
| scsi_req->Bus, scsi_req->TargetID); |
| else if (function == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) |
| ret_val = mptctl_do_taskmgmt(ioc, |
| MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, |
| scsi_req->Bus, 0); |
| if (!ret_val) |
| return; |
| } else { |
| if ((function == MPI_FUNCTION_SCSI_IO_REQUEST) || |
| (function == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) |
| ret_val = mptctl_do_taskmgmt(ioc, |
| MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, |
| scsi_req->Bus, 0); |
| if (!ret_val) |
| return; |
| } |
| |
| dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Calling Reset! \n", |
| ioc->name)); |
| mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); |
| mpt_free_msg_frame(ioc, mf); |
| } |
| |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /* mptctl_ioc_reset |
| * |
| * Clean-up functionality. Used only if there has been a |
| * reload of the FW due. |
| * |
| */ |
| static int |
| mptctl_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) |
| { |
| switch(reset_phase) { |
| case MPT_IOC_SETUP_RESET: |
| dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
| "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__)); |
| break; |
| case MPT_IOC_PRE_RESET: |
| dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
| "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__)); |
| break; |
| case MPT_IOC_POST_RESET: |
| dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
| "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__)); |
| if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_PENDING) { |
| ioc->ioctl_cmds.status |= MPT_MGMT_STATUS_DID_IOCRESET; |
| complete(&ioc->ioctl_cmds.done); |
| } |
| break; |
| default: |
| break; |
| } |
| |
| return 1; |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /* ASYNC Event Notification Support */ |
| static int |
| mptctl_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply) |
| { |
| u8 event; |
| |
| event = le32_to_cpu(pEvReply->Event) & 0xFF; |
| |
| dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s() called\n", |
| ioc->name, __func__)); |
| if(async_queue == NULL) |
| return 1; |
| |
| /* Raise SIGIO for persistent events. |
| * TODO - this define is not in MPI spec yet, |
| * but they plan to set it to 0x21 |
| */ |
| if (event == 0x21) { |
| ioc->aen_event_read_flag=1; |
| dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Raised SIGIO to application\n", |
| ioc->name)); |
| devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
| "Raised SIGIO to application\n", ioc->name)); |
| kill_fasync(&async_queue, SIGIO, POLL_IN); |
| return 1; |
| } |
| |
| /* This flag is set after SIGIO was raised, and |
| * remains set until the application has read |
| * the event log via ioctl=MPTEVENTREPORT |
| */ |
| if(ioc->aen_event_read_flag) |
| return 1; |
| |
| /* Signal only for the events that are |
| * requested for by the application |
| */ |
| if (ioc->events && (ioc->eventTypes & ( 1 << event))) { |
| ioc->aen_event_read_flag=1; |
| dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
| "Raised SIGIO to application\n", ioc->name)); |
| devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
| "Raised SIGIO to application\n", ioc->name)); |
| kill_fasync(&async_queue, SIGIO, POLL_IN); |
| } |
| return 1; |
| } |
| |
| static int |
| mptctl_fasync(int fd, struct file *filep, int mode) |
| { |
| MPT_ADAPTER *ioc; |
| int ret; |
| |
| mutex_lock(&mpctl_mutex); |
| list_for_each_entry(ioc, &ioc_list, list) |
| ioc->aen_event_read_flag=0; |
| |
| ret = fasync_helper(fd, filep, mode, &async_queue); |
| mutex_unlock(&mpctl_mutex); |
| return ret; |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /* |
| * MPT ioctl handler |
| * cmd - specify the particular IOCTL command to be issued |
| * arg - data specific to the command. Must not be null. |
| */ |
| static long |
| __mptctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg) |
| { |
| mpt_ioctl_header __user *uhdr = (void __user *) arg; |
| mpt_ioctl_header khdr; |
| int iocnum; |
| unsigned iocnumX; |
| int nonblock = (file->f_flags & O_NONBLOCK); |
| int ret; |
| MPT_ADAPTER *iocp = NULL; |
| |
| if (copy_from_user(&khdr, uhdr, sizeof(khdr))) { |
| printk(KERN_ERR MYNAM "%s::mptctl_ioctl() @%d - " |
| "Unable to copy mpt_ioctl_header data @ %p\n", |
| __FILE__, __LINE__, uhdr); |
| return -EFAULT; |
| } |
| ret = -ENXIO; /* (-6) No such device or address */ |
| |
| /* Verify intended MPT adapter - set iocnum and the adapter |
| * pointer (iocp) |
| */ |
| iocnumX = khdr.iocnum & 0xFF; |
| if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) || |
| (iocp == NULL)) |
| return -ENODEV; |
| |
| if (!iocp->active) { |
| printk(KERN_DEBUG MYNAM "%s::mptctl_ioctl() @%d - Controller disabled.\n", |
| __FILE__, __LINE__); |
| return -EFAULT; |
| } |
| |
| /* Handle those commands that are just returning |
| * information stored in the driver. |
| * These commands should never time out and are unaffected |
| * by TM and FW reloads. |
| */ |
| if ((cmd & ~IOCSIZE_MASK) == (MPTIOCINFO & ~IOCSIZE_MASK)) { |
| return mptctl_getiocinfo(arg, _IOC_SIZE(cmd)); |
| } else if (cmd == MPTTARGETINFO) { |
| return mptctl_gettargetinfo(arg); |
| } else if (cmd == MPTTEST) { |
| return mptctl_readtest(arg); |
| } else if (cmd == MPTEVENTQUERY) { |
| return mptctl_eventquery(arg); |
| } else if (cmd == MPTEVENTENABLE) { |
| return mptctl_eventenable(arg); |
| } else if (cmd == MPTEVENTREPORT) { |
| return mptctl_eventreport(arg); |
| } else if (cmd == MPTFWREPLACE) { |
| return mptctl_replace_fw(arg); |
| } |
| |
| /* All of these commands require an interrupt or |
| * are unknown/illegal. |
| */ |
| if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0) |
| return ret; |
| |
| if (cmd == MPTFWDOWNLOAD) |
| ret = mptctl_fw_download(arg); |
| else if (cmd == MPTCOMMAND) |
| ret = mptctl_mpt_command(arg); |
| else if (cmd == MPTHARDRESET) |
| ret = mptctl_do_reset(arg); |
| else if ((cmd & ~IOCSIZE_MASK) == (HP_GETHOSTINFO & ~IOCSIZE_MASK)) |
| ret = mptctl_hp_hostinfo(arg, _IOC_SIZE(cmd)); |
| else if (cmd == HP_GETTARGETINFO) |
| ret = mptctl_hp_targetinfo(arg); |
| else |
| ret = -EINVAL; |
| |
| mutex_unlock(&iocp->ioctl_cmds.mutex); |
| |
| return ret; |
| } |
| |
| static long |
| mptctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg) |
| { |
| long ret; |
| mutex_lock(&mpctl_mutex); |
| ret = __mptctl_ioctl(file, cmd, arg); |
| mutex_unlock(&mpctl_mutex); |
| return ret; |
| } |
| |
| static int mptctl_do_reset(unsigned long arg) |
| { |
| struct mpt_ioctl_diag_reset __user *urinfo = (void __user *) arg; |
| struct mpt_ioctl_diag_reset krinfo; |
| MPT_ADAPTER *iocp; |
| |
| if (copy_from_user(&krinfo, urinfo, sizeof(struct mpt_ioctl_diag_reset))) { |
| printk(KERN_ERR MYNAM "%s@%d::mptctl_do_reset - " |
| "Unable to copy mpt_ioctl_diag_reset struct @ %p\n", |
| __FILE__, __LINE__, urinfo); |
| return -EFAULT; |
| } |
| |
| if (mpt_verify_adapter(krinfo.hdr.iocnum, &iocp) < 0) { |
| printk(KERN_DEBUG MYNAM "%s@%d::mptctl_do_reset - ioc%d not found!\n", |
| __FILE__, __LINE__, krinfo.hdr.iocnum); |
| return -ENODEV; /* (-6) No such device or address */ |
| } |
| |
| dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "mptctl_do_reset called.\n", |
| iocp->name)); |
| |
| if (mpt_HardResetHandler(iocp, CAN_SLEEP) != 0) { |
| printk (MYIOC_s_ERR_FMT "%s@%d::mptctl_do_reset - reset failed.\n", |
| iocp->name, __FILE__, __LINE__); |
| return -1; |
| } |
| |
| return 0; |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /* |
| * MPT FW download function. Cast the arg into the mpt_fw_xfer structure. |
| * This structure contains: iocnum, firmware length (bytes), |
| * pointer to user space memory where the fw image is stored. |
| * |
| * Outputs: None. |
| * Return: 0 if successful |
| * -EFAULT if data unavailable |
| * -ENXIO if no such device |
| * -EAGAIN if resource problem |
| * -ENOMEM if no memory for SGE |
| * -EMLINK if too many chain buffers required |
| * -EBADRQC if adapter does not support FW download |
| * -EBUSY if adapter is busy |
| * -ENOMSG if FW upload returned bad status |
| */ |
| static int |
| mptctl_fw_download(unsigned long arg) |
| { |
| struct mpt_fw_xfer __user *ufwdl = (void __user *) arg; |
| struct mpt_fw_xfer kfwdl; |
| |
| if (copy_from_user(&kfwdl, ufwdl, sizeof(struct mpt_fw_xfer))) { |
| printk(KERN_ERR MYNAM "%s@%d::_ioctl_fwdl - " |
| "Unable to copy mpt_fw_xfer struct @ %p\n", |
| __FILE__, __LINE__, ufwdl); |
| return -EFAULT; |
| } |
| |
| return mptctl_do_fw_download(kfwdl.iocnum, kfwdl.bufp, kfwdl.fwlen); |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /* |
| * FW Download engine. |
| * Outputs: None. |
| * Return: 0 if successful |
| * -EFAULT if data unavailable |
| * -ENXIO if no such device |
| * -EAGAIN if resource problem |
| * -ENOMEM if no memory for SGE |
| * -EMLINK if too many chain buffers required |
| * -EBADRQC if adapter does not support FW download |
| * -EBUSY if adapter is busy |
| * -ENOMSG if FW upload returned bad status |
| */ |
| static int |
| mptctl_do_fw_download(int ioc, char __user *ufwbuf, size_t fwlen) |
| { |
| FWDownload_t *dlmsg; |
| MPT_FRAME_HDR *mf; |
| MPT_ADAPTER *iocp; |
| FWDownloadTCSGE_t *ptsge; |
| MptSge_t *sgl, *sgIn; |
| char *sgOut; |
| struct buflist *buflist; |
| struct buflist *bl; |
| dma_addr_t sgl_dma; |
| int ret; |
| int numfrags = 0; |
| int maxfrags; |
| int n = 0; |
| u32 sgdir; |
| u32 nib; |
| int fw_bytes_copied = 0; |
| int i; |
| int sge_offset = 0; |
| u16 iocstat; |
| pFWDownloadReply_t ReplyMsg = NULL; |
| unsigned long timeleft; |
| |
| if (mpt_verify_adapter(ioc, &iocp) < 0) { |
| printk(KERN_DEBUG MYNAM "ioctl_fwdl - ioc%d not found!\n", |
| ioc); |
| return -ENODEV; /* (-6) No such device or address */ |
| } else { |
| |
| /* Valid device. Get a message frame and construct the FW download message. |
| */ |
| if ((mf = mpt_get_msg_frame(mptctl_id, iocp)) == NULL) |
| return -EAGAIN; |
| } |
| |
| dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT |
| "mptctl_do_fwdl called. mptctl_id = %xh.\n", iocp->name, mptctl_id)); |
| dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "DbG: kfwdl.bufp = %p\n", |
| iocp->name, ufwbuf)); |
| dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "DbG: kfwdl.fwlen = %d\n", |
| iocp->name, (int)fwlen)); |
| dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "DbG: kfwdl.ioc = %04xh\n", |
| iocp->name, ioc)); |
| |
| dlmsg = (FWDownload_t*) mf; |
| ptsge = (FWDownloadTCSGE_t *) &dlmsg->SGL; |
| sgOut = (char *) (ptsge + 1); |
| |
| /* |
| * Construct f/w download request |
| */ |
| dlmsg->ImageType = MPI_FW_DOWNLOAD_ITYPE_FW; |
| dlmsg->Reserved = 0; |
| dlmsg->ChainOffset = 0; |
| dlmsg->Function = MPI_FUNCTION_FW_DOWNLOAD; |
| dlmsg->Reserved1[0] = dlmsg->Reserved1[1] = dlmsg->Reserved1[2] = 0; |
| if (iocp->facts.MsgVersion >= MPI_VERSION_01_05) |
| dlmsg->MsgFlags = MPI_FW_DOWNLOAD_MSGFLGS_LAST_SEGMENT; |
| else |
| dlmsg->MsgFlags = 0; |
| |
| |
| /* Set up the Transaction SGE. |
| */ |
| ptsge->Reserved = 0; |
| ptsge->ContextSize = 0; |
| ptsge->DetailsLength = 12; |
| ptsge->Flags = MPI_SGE_FLAGS_TRANSACTION_ELEMENT; |
| ptsge->Reserved_0100_Checksum = 0; |
| ptsge->ImageOffset = 0; |
| ptsge->ImageSize = cpu_to_le32(fwlen); |
| |
| /* Add the SGL |
| */ |
| |
| /* |
| * Need to kmalloc area(s) for holding firmware image bytes. |
| * But we need to do it piece meal, using a proper |
| * scatter gather list (with 128kB MAX hunks). |
| * |
| * A practical limit here might be # of sg hunks that fit into |
| * a single IOC request frame; 12 or 8 (see below), so: |
| * For FC9xx: 12 x 128kB == 1.5 mB (max) |
| * For C1030: 8 x 128kB == 1 mB (max) |
| * We could support chaining, but things get ugly(ier:) |
| * |
| * Set the sge_offset to the start of the sgl (bytes). |
| */ |
| sgdir = 0x04000000; /* IOC will READ from sys mem */ |
| sge_offset = sizeof(MPIHeader_t) + sizeof(FWDownloadTCSGE_t); |
| if ((sgl = kbuf_alloc_2_sgl(fwlen, sgdir, sge_offset, |
| &numfrags, &buflist, &sgl_dma, iocp)) == NULL) |
| return -ENOMEM; |
| |
| /* |
| * We should only need SGL with 2 simple_32bit entries (up to 256 kB) |
| * for FC9xx f/w image, but calculate max number of sge hunks |
| * we can fit into a request frame, and limit ourselves to that. |
| * (currently no chain support) |
| * maxfrags = (Request Size - FWdownload Size ) / Size of 32 bit SGE |
| * Request maxfrags |
| * 128 12 |
| * 96 8 |
| * 64 4 |
| */ |
| maxfrags = (iocp->req_sz - sizeof(MPIHeader_t) - |
| sizeof(FWDownloadTCSGE_t)) |
| / iocp->SGE_size; |
| if (numfrags > maxfrags) { |
| ret = -EMLINK; |
| goto fwdl_out; |
| } |
| |
| dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "DbG: sgl buffer = %p, sgfrags = %d\n", |
| iocp->name, sgl, numfrags)); |
| |
| /* |
| * Parse SG list, copying sgl itself, |
| * plus f/w image hunks from user space as we go... |
| */ |
| ret = -EFAULT; |
| sgIn = sgl; |
| bl = buflist; |
| for (i=0; i < numfrags; i++) { |
| |
| /* Get the SGE type: 0 - TCSGE, 3 - Chain, 1 - Simple SGE |
| * Skip everything but Simple. If simple, copy from |
| * user space into kernel space. |
| * Note: we should not have anything but Simple as |
| * Chain SGE are illegal. |
| */ |
| nib = (sgIn->FlagsLength & 0x30000000) >> 28; |
| if (nib == 0 || nib == 3) { |
| ; |
| } else if (sgIn->Address) { |
| iocp->add_sge(sgOut, sgIn->FlagsLength, sgIn->Address); |
| n++; |
| if (copy_from_user(bl->kptr, ufwbuf+fw_bytes_copied, bl->len)) { |
| printk(MYIOC_s_ERR_FMT "%s@%d::_ioctl_fwdl - " |
| "Unable to copy f/w buffer hunk#%d @ %p\n", |
| iocp->name, __FILE__, __LINE__, n, ufwbuf); |
| goto fwdl_out; |
| } |
| fw_bytes_copied += bl->len; |
| } |
| sgIn++; |
| bl++; |
| sgOut += iocp->SGE_size; |
| } |
| |
| DBG_DUMP_FW_DOWNLOAD(iocp, (u32 *)mf, numfrags); |
| |
| /* |
| * Finally, perform firmware download. |
| */ |
| ReplyMsg = NULL; |
| SET_MGMT_MSG_CONTEXT(iocp->ioctl_cmds.msg_context, dlmsg->MsgContext); |
| INITIALIZE_MGMT_STATUS(iocp->ioctl_cmds.status) |
| mpt_put_msg_frame(mptctl_id, iocp, mf); |
| |
| /* Now wait for the command to complete */ |
| retry_wait: |
| timeleft = wait_for_completion_timeout(&iocp->ioctl_cmds.done, HZ*60); |
| if (!(iocp->ioctl_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { |
| ret = -ETIME; |
| printk(MYIOC_s_WARN_FMT "%s: failed\n", iocp->name, __func__); |
| if (iocp->ioctl_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) { |
| mpt_free_msg_frame(iocp, mf); |
| goto fwdl_out; |
| } |
| if (!timeleft) { |
| printk(MYIOC_s_WARN_FMT |
| "FW download timeout, doorbell=0x%08x\n", |
| iocp->name, mpt_GetIocState(iocp, 0)); |
| mptctl_timeout_expired(iocp, mf); |
| } else |
| goto retry_wait; |
| goto fwdl_out; |
| } |
| |
| if (!(iocp->ioctl_cmds.status & MPT_MGMT_STATUS_RF_VALID)) { |
| printk(MYIOC_s_WARN_FMT "%s: failed\n", iocp->name, __func__); |
| mpt_free_msg_frame(iocp, mf); |
| ret = -ENODATA; |
| goto fwdl_out; |
| } |
| |
| if (sgl) |
| kfree_sgl(sgl, sgl_dma, buflist, iocp); |
| |
| ReplyMsg = (pFWDownloadReply_t)iocp->ioctl_cmds.reply; |
| iocstat = le16_to_cpu(ReplyMsg->IOCStatus) & MPI_IOCSTATUS_MASK; |
| if (iocstat == MPI_IOCSTATUS_SUCCESS) { |
| printk(MYIOC_s_INFO_FMT "F/W update successful!\n", iocp->name); |
| return 0; |
| } else if (iocstat == MPI_IOCSTATUS_INVALID_FUNCTION) { |
| printk(MYIOC_s_WARN_FMT "Hmmm... F/W download not supported!?!\n", |
| iocp->name); |
| printk(MYIOC_s_WARN_FMT "(time to go bang on somebodies door)\n", |
| iocp->name); |
| return -EBADRQC; |
| } else if (iocstat == MPI_IOCSTATUS_BUSY) { |
| printk(MYIOC_s_WARN_FMT "IOC_BUSY!\n", iocp->name); |
| printk(MYIOC_s_WARN_FMT "(try again later?)\n", iocp->name); |
| return -EBUSY; |
| } else { |
| printk(MYIOC_s_WARN_FMT "ioctl_fwdl() returned [bad] status = %04xh\n", |
| iocp->name, iocstat); |
| printk(MYIOC_s_WARN_FMT "(bad VooDoo)\n", iocp->name); |
| return -ENOMSG; |
| } |
| return 0; |
| |
| fwdl_out: |
| |
| CLEAR_MGMT_STATUS(iocp->ioctl_cmds.status); |
| SET_MGMT_MSG_CONTEXT(iocp->ioctl_cmds.msg_context, 0); |
| kfree_sgl(sgl, sgl_dma, buflist, iocp); |
| return ret; |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /* |
| * SGE Allocation routine |
| * |
| * Inputs: bytes - number of bytes to be transferred |
| * sgdir - data direction |
| * sge_offset - offset (in bytes) from the start of the request |
| * frame to the first SGE |
| * ioc - pointer to the mptadapter |
| * Outputs: frags - number of scatter gather elements |
| * blp - point to the buflist pointer |
| * sglbuf_dma - pointer to the (dma) sgl |
| * Returns: Null if failes |
| * pointer to the (virtual) sgl if successful. |
| */ |
| static MptSge_t * |
| kbuf_alloc_2_sgl(int bytes, u32 sgdir, int sge_offset, int *frags, |
| struct buflist **blp, dma_addr_t *sglbuf_dma, MPT_ADAPTER *ioc) |
| { |
| MptSge_t *sglbuf = NULL; /* pointer to array of SGE */ |
| /* and chain buffers */ |
| struct buflist *buflist = NULL; /* kernel routine */ |
| MptSge_t *sgl; |
| int numfrags = 0; |
| int fragcnt = 0; |
| int alloc_sz = min(bytes,MAX_KMALLOC_SZ); // avoid kernel warning msg! |
| int bytes_allocd = 0; |
| int this_alloc; |
| dma_addr_t pa; // phys addr |
| int i, buflist_ent; |
| int sg_spill = MAX_FRAGS_SPILL1; |
| int dir; |
| |
| if (bytes < 0) |
| return NULL; |
| |
| /* initialization */ |
| *frags = 0; |
| *blp = NULL; |
| |
| /* Allocate and initialize an array of kernel |
| * structures for the SG elements. |
| */ |
| i = MAX_SGL_BYTES / 8; |
| buflist = kzalloc(i, GFP_USER); |
| if (!buflist) |
| return NULL; |
| buflist_ent = 0; |
| |
| /* Allocate a single block of memory to store the sg elements and |
| * the chain buffers. The calling routine is responsible for |
| * copying the data in this array into the correct place in the |
| * request and chain buffers. |
| */ |
| sglbuf = pci_alloc_consistent(ioc->pcidev, MAX_SGL_BYTES, sglbuf_dma); |
| if (sglbuf == NULL) |
| goto free_and_fail; |
| |
| if (sgdir & 0x04000000) |
| dir = PCI_DMA_TODEVICE; |
| else |
| dir = PCI_DMA_FROMDEVICE; |
| |
| /* At start: |
| * sgl = sglbuf = point to beginning of sg buffer |
| * buflist_ent = 0 = first kernel structure |
| * sg_spill = number of SGE that can be written before the first |
| * chain element. |
| * |
| */ |
| sgl = sglbuf; |
| sg_spill = ((ioc->req_sz - sge_offset)/ioc->SGE_size) - 1; |
| while (bytes_allocd < bytes) { |
| this_alloc = min(alloc_sz, bytes-bytes_allocd); |
| buflist[buflist_ent].len = this_alloc; |
| buflist[buflist_ent].kptr = pci_alloc_consistent(ioc->pcidev, |
| this_alloc, |
| &pa); |
| if (buflist[buflist_ent].kptr == NULL) { |
| alloc_sz = alloc_sz / 2; |
| if (alloc_sz == 0) { |
| printk(MYIOC_s_WARN_FMT "-SG: No can do - " |
| "not enough memory! :-(\n", ioc->name); |
| printk(MYIOC_s_WARN_FMT "-SG: (freeing %d frags)\n", |
| ioc->name, numfrags); |
| goto free_and_fail; |
| } |
| continue; |
| } else { |
| dma_addr_t dma_addr; |
| |
| bytes_allocd += this_alloc; |
| sgl->FlagsLength = (0x10000000|sgdir|this_alloc); |
| dma_addr = pci_map_single(ioc->pcidev, |
| buflist[buflist_ent].kptr, this_alloc, dir); |
| sgl->Address = dma_addr; |
| |
| fragcnt++; |
| numfrags++; |
| sgl++; |
| buflist_ent++; |
| } |
| |
| if (bytes_allocd >= bytes) |
| break; |
| |
| /* Need to chain? */ |
| if (fragcnt == sg_spill) { |
| printk(MYIOC_s_WARN_FMT |
| "-SG: No can do - " "Chain required! :-(\n", ioc->name); |
| printk(MYIOC_s_WARN_FMT "(freeing %d frags)\n", ioc->name, numfrags); |
| goto free_and_fail; |
| } |
| |
| /* overflow check... */ |
| if (numfrags*8 > MAX_SGL_BYTES){ |
| /* GRRRRR... */ |
| printk(MYIOC_s_WARN_FMT "-SG: No can do - " |
| "too many SG frags! :-(\n", ioc->name); |
| printk(MYIOC_s_WARN_FMT "-SG: (freeing %d frags)\n", |
| ioc->name, numfrags); |
| goto free_and_fail; |
| } |
| } |
| |
| /* Last sge fixup: set LE+eol+eob bits */ |
| sgl[-1].FlagsLength |= 0xC1000000; |
| |
| *frags = numfrags; |
| *blp = buflist; |
| |
| dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "-SG: kbuf_alloc_2_sgl() - " |
| "%d SG frags generated!\n", ioc->name, numfrags)); |
| |
| dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "-SG: kbuf_alloc_2_sgl() - " |
| "last (big) alloc_sz=%d\n", ioc->name, alloc_sz)); |
| |
| return sglbuf; |
| |
| free_and_fail: |
| if (sglbuf != NULL) { |
| for (i = 0; i < numfrags; i++) { |
| dma_addr_t dma_addr; |
| u8 *kptr; |
| int len; |
| |
| if ((sglbuf[i].FlagsLength >> 24) == 0x30) |
| continue; |
| |
| dma_addr = sglbuf[i].Address; |
| kptr = buflist[i].kptr; |
| len = buflist[i].len; |
| |
| pci_free_consistent(ioc->pcidev, len, kptr, dma_addr); |
| } |
| pci_free_consistent(ioc->pcidev, MAX_SGL_BYTES, sglbuf, *sglbuf_dma); |
| } |
| kfree(buflist); |
| return NULL; |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /* |
| * Routine to free the SGL elements. |
| */ |
| static void |
| kfree_sgl(MptSge_t *sgl, dma_addr_t sgl_dma, struct buflist *buflist, MPT_ADAPTER *ioc) |
| { |
| MptSge_t *sg = sgl; |
| struct buflist *bl = buflist; |
| u32 nib; |
| int dir; |
| int n = 0; |
| |
| if (sg->FlagsLength & 0x04000000) |
| dir = PCI_DMA_TODEVICE; |
| else |
| dir = PCI_DMA_FROMDEVICE; |
| |
| nib = (sg->FlagsLength & 0xF0000000) >> 28; |
| while (! (nib & 0x4)) { /* eob */ |
| /* skip ignore/chain. */ |
| if (nib == 0 || nib == 3) { |
| ; |
| } else if (sg->Address) { |
| dma_addr_t dma_addr; |
| void *kptr; |
| int len; |
| |
| dma_addr = sg->Address; |
| kptr = bl->kptr; |
| len = bl->len; |
| pci_unmap_single(ioc->pcidev, dma_addr, len, dir); |
| pci_free_consistent(ioc->pcidev, len, kptr, dma_addr); |
| n++; |
| } |
| sg++; |
| bl++; |
| nib = (le32_to_cpu(sg->FlagsLength) & 0xF0000000) >> 28; |
| } |
| |
| /* we're at eob! */ |
| if (sg->Address) { |
| dma_addr_t dma_addr; |
| void *kptr; |
| int len; |
| |
| dma_addr = sg->Address; |
| kptr = bl->kptr; |
| len = bl->len; |
| pci_unmap_single(ioc->pcidev, dma_addr, len, dir); |
| pci_free_consistent(ioc->pcidev, len, kptr, dma_addr); |
| n++; |
| } |
| |
| pci_free_consistent(ioc->pcidev, MAX_SGL_BYTES, sgl, sgl_dma); |
| kfree(buflist); |
| dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "-SG: Free'd 1 SGL buf + %d kbufs!\n", |
| ioc->name, n)); |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /* |
| * mptctl_getiocinfo - Query the host adapter for IOC information. |
| * @arg: User space argument |
| * |
| * Outputs: None. |
| * Return: 0 if successful |
| * -EFAULT if data unavailable |
| * -ENODEV if no such device/adapter |
| */ |
| static int |
| mptctl_getiocinfo (unsigned long arg, unsigned int data_size) |
| { |
| struct mpt_ioctl_iocinfo __user *uarg = (void __user *) arg; |
| struct mpt_ioctl_iocinfo *karg; |
| MPT_ADAPTER *ioc; |
| struct pci_dev *pdev; |
| int iocnum; |
| unsigned int port; |
| int cim_rev; |
| struct scsi_device *sdev; |
| VirtDevice *vdevice; |
| |
| /* Add of PCI INFO results in unaligned access for |
| * IA64 and Sparc. Reset long to int. Return no PCI |
| * data for obsolete format. |
| */ |
| if (data_size == sizeof(struct mpt_ioctl_iocinfo_rev0)) |
| cim_rev = 0; |
| else if (data_size == sizeof(struct mpt_ioctl_iocinfo_rev1)) |
| cim_rev = 1; |
| else if (data_size == sizeof(struct mpt_ioctl_iocinfo)) |
| cim_rev = 2; |
| else if (data_size == (sizeof(struct mpt_ioctl_iocinfo_rev0)+12)) |
| cim_rev = 0; /* obsolete */ |
| else |
| return -EFAULT; |
| |
| karg = memdup_user(uarg, data_size); |
| if (IS_ERR(karg)) { |
| printk(KERN_ERR MYNAM "%s@%d::mpt_ioctl_iocinfo() - memdup_user returned error [%ld]\n", |
| __FILE__, __LINE__, PTR_ERR(karg)); |
| return PTR_ERR(karg); |
| } |
| |
| if (((iocnum = mpt_verify_adapter(karg->hdr.iocnum, &ioc)) < 0) || |
| (ioc == NULL)) { |
| printk(KERN_DEBUG MYNAM "%s::mptctl_getiocinfo() @%d - ioc%d not found!\n", |
| __FILE__, __LINE__, iocnum); |
| kfree(karg); |
| return -ENODEV; |
| } |
| |
| /* Verify the data transfer size is correct. */ |
| if (karg->hdr.maxDataSize != data_size) { |
| printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_getiocinfo - " |
| "Structure size mismatch. Command not completed.\n", |
| ioc->name, __FILE__, __LINE__); |
| kfree(karg); |
| return -EFAULT; |
| } |
| |
| dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_getiocinfo called.\n", |
| ioc->name)); |
| |
| /* Fill in the data and return the structure to the calling |
| * program |
| */ |
| if (ioc->bus_type == SAS) |
| karg->adapterType = MPT_IOCTL_INTERFACE_SAS; |
| else if (ioc->bus_type == FC) |
| karg->adapterType = MPT_IOCTL_INTERFACE_FC; |
| else |
| karg->adapterType = MPT_IOCTL_INTERFACE_SCSI; |
| |
| if (karg->hdr.port > 1) { |
| kfree(karg); |
| return -EINVAL; |
| } |
| port = karg->hdr.port; |
| |
| karg->port = port; |
| pdev = (struct pci_dev *) ioc->pcidev; |
| |
| karg->pciId = pdev->device; |
| karg->hwRev = pdev->revision; |
| karg->subSystemDevice = pdev->subsystem_device; |
| karg->subSystemVendor = pdev->subsystem_vendor; |
| |
| if (cim_rev == 1) { |
| /* Get the PCI bus, device, and function numbers for the IOC |
| */ |
| karg->pciInfo.u.bits.busNumber = pdev->bus->number; |
| karg->pciInfo.u.bits.deviceNumber = PCI_SLOT( pdev->devfn ); |
| karg->pciInfo.u.bits.functionNumber = PCI_FUNC( pdev->devfn ); |
| } else if (cim_rev == 2) { |
| /* Get the PCI bus, device, function and segment ID numbers |
| for the IOC */ |
| karg->pciInfo.u.bits.busNumber = pdev->bus->number; |
| karg->pciInfo.u.bits.deviceNumber = PCI_SLOT( pdev->devfn ); |
| karg->pciInfo.u.bits.functionNumber = PCI_FUNC( pdev->devfn ); |
| karg->pciInfo.segmentID = pci_domain_nr(pdev->bus); |
| } |
| |
| /* Get number of devices |
| */ |
| karg->numDevices = 0; |
| if (ioc->sh) { |
| shost_for_each_device(sdev, ioc->sh) { |
| vdevice = sdev->hostdata; |
| if (vdevice == NULL || vdevice->vtarget == NULL) |
| continue; |
| if (vdevice->vtarget->tflags & |
| MPT_TARGET_FLAGS_RAID_COMPONENT) |
| continue; |
| karg->numDevices++; |
| } |
| } |
| |
| /* Set the BIOS and FW Version |
| */ |
| karg->FWVersion = ioc->facts.FWVersion.Word; |
| karg->BIOSVersion = ioc->biosVersion; |
| |
| /* Set the Version Strings. |
| */ |
| strncpy (karg->driverVersion, MPT_LINUX_PACKAGE_NAME, MPT_IOCTL_VERSION_LENGTH); |
| karg->driverVersion[MPT_IOCTL_VERSION_LENGTH-1]='\0'; |
| |
| karg->busChangeEvent = 0; |
| karg->hostId = ioc->pfacts[port].PortSCSIID; |
| karg->rsvd[0] = karg->rsvd[1] = 0; |
| |
| /* Copy the data from kernel memory to user memory |
| */ |
| if (copy_to_user((char __user *)arg, karg, data_size)) { |
| printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_getiocinfo - " |
| "Unable to write out mpt_ioctl_iocinfo struct @ %p\n", |
| ioc->name, __FILE__, __LINE__, uarg); |
| kfree(karg); |
| return -EFAULT; |
| } |
| |
| kfree(karg); |
| return 0; |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /* |
| * mptctl_gettargetinfo - Query the host adapter for target information. |
| * @arg: User space argument |
| * |
| * Outputs: None. |
| * Return: 0 if successful |
| * -EFAULT if data unavailable |
| * -ENODEV if no such device/adapter |
| */ |
| static int |
| mptctl_gettargetinfo (unsigned long arg) |
| { |
| struct mpt_ioctl_targetinfo __user *uarg = (void __user *) arg; |
| struct mpt_ioctl_targetinfo karg; |
| MPT_ADAPTER *ioc; |
| VirtDevice *vdevice; |
| char *pmem; |
| int *pdata; |
| int iocnum; |
| int numDevices = 0; |
| int lun; |
| int maxWordsLeft; |
| int numBytes; |
| u8 port; |
| struct scsi_device *sdev; |
| |
| if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_targetinfo))) { |
| printk(KERN_ERR MYNAM "%s@%d::mptctl_gettargetinfo - " |
| "Unable to read in mpt_ioctl_targetinfo struct @ %p\n", |
| __FILE__, __LINE__, uarg); |
| return -EFAULT; |
| } |
| |
| if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || |
| (ioc == NULL)) { |
| printk(KERN_DEBUG MYNAM "%s::mptctl_gettargetinfo() @%d - ioc%d not found!\n", |
| __FILE__, __LINE__, iocnum); |
| return -ENODEV; |
| } |
| |
| dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_gettargetinfo called.\n", |
| ioc->name)); |
| /* Get the port number and set the maximum number of bytes |
| * in the returned structure. |
| * Ignore the port setting. |
| */ |
| numBytes = karg.hdr.maxDataSize - sizeof(mpt_ioctl_header); |
| maxWordsLeft = numBytes/sizeof(int); |
| port = karg.hdr.port; |
| |
| if (maxWordsLeft <= 0) { |
| printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo() - no memory available!\n", |
| ioc->name, __FILE__, __LINE__); |
| return -ENOMEM; |
| } |
| |
| /* Fill in the data and return the structure to the calling |
| * program |
| */ |
| |
| /* struct mpt_ioctl_targetinfo does not contain sufficient space |
| * for the target structures so when the IOCTL is called, there is |
| * not sufficient stack space for the structure. Allocate memory, |
| * populate the memory, copy back to the user, then free memory. |
| * targetInfo format: |
| * bits 31-24: reserved |
| * 23-16: LUN |
| * 15- 8: Bus Number |
| * 7- 0: Target ID |
| */ |
| pmem = kzalloc(numBytes, GFP_KERNEL); |
| if (!pmem) { |
| printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo() - no memory available!\n", |
| ioc->name, __FILE__, __LINE__); |
| return -ENOMEM; |
| } |
| pdata = (int *) pmem; |
| |
| /* Get number of devices |
| */ |
| if (ioc->sh){ |
| shost_for_each_device(sdev, ioc->sh) { |
| if (!maxWordsLeft) |
| continue; |
| vdevice = sdev->hostdata; |
| if (vdevice == NULL || vdevice->vtarget == NULL) |
| continue; |
| if (vdevice->vtarget->tflags & |
| MPT_TARGET_FLAGS_RAID_COMPONENT) |
| continue; |
| lun = (vdevice->vtarget->raidVolume) ? 0x80 : vdevice->lun; |
| *pdata = (((u8)lun << 16) + (vdevice->vtarget->channel << 8) + |
| (vdevice->vtarget->id )); |
| pdata++; |
| numDevices++; |
| --maxWordsLeft; |
| } |
| } |
| karg.numDevices = numDevices; |
| |
| /* Copy part of the data from kernel memory to user memory |
| */ |
| if (copy_to_user((char __user *)arg, &karg, |
| sizeof(struct mpt_ioctl_targetinfo))) { |
| printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo - " |
| "Unable to write out mpt_ioctl_targetinfo struct @ %p\n", |
| ioc->name, __FILE__, __LINE__, uarg); |
| kfree(pmem); |
| return -EFAULT; |
| } |
| |
| /* Copy the remaining data from kernel memory to user memory |
| */ |
| if (copy_to_user(uarg->targetInfo, pmem, numBytes)) { |
| printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo - " |
| "Unable to write out mpt_ioctl_targetinfo struct @ %p\n", |
| ioc->name, __FILE__, __LINE__, pdata); |
| kfree(pmem); |
| return -EFAULT; |
| } |
| |
| kfree(pmem); |
| |
| return 0; |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /* MPT IOCTL Test function. |
| * |
| * Outputs: None. |
| * Return: 0 if successful |
| * -EFAULT if data unavailable |
| * -ENODEV if no such device/adapter |
| */ |
| static int |
| mptctl_readtest (unsigned long arg) |
| { |
| struct mpt_ioctl_test __user *uarg = (void __user *) arg; |
| struct mpt_ioctl_test karg; |
| MPT_ADAPTER *ioc; |
| int iocnum; |
| |
| if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_test))) { |
| printk(KERN_ERR MYNAM "%s@%d::mptctl_readtest - " |
| "Unable to read in mpt_ioctl_test struct @ %p\n", |
| __FILE__, __LINE__, uarg); |
| return -EFAULT; |
| } |
| |
| if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || |
| (ioc == NULL)) { |
| printk(KERN_DEBUG MYNAM "%s::mptctl_readtest() @%d - ioc%d not found!\n", |
| __FILE__, __LINE__, iocnum); |
| return -ENODEV; |
| } |
| |
| dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_readtest called.\n", |
| ioc->name)); |
| /* Fill in the data and return the structure to the calling |
| * program |
| */ |
| |
| #ifdef MFCNT |
| karg.chip_type = ioc->mfcnt; |
| #else |
| karg.chip_type = ioc->pcidev->device; |
| #endif |
| strncpy (karg.name, ioc->name, MPT_MAX_NAME); |
| karg.name[MPT_MAX_NAME-1]='\0'; |
| strncpy (karg.product, ioc->prod_name, MPT_PRODUCT_LENGTH); |
| karg.product[MPT_PRODUCT_LENGTH-1]='\0'; |
| |
| /* Copy the data from kernel memory to user memory |
| */ |
| if (copy_to_user((char __user *)arg, &karg, sizeof(struct mpt_ioctl_test))) { |
| printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_readtest - " |
| "Unable to write out mpt_ioctl_test struct @ %p\n", |
| ioc->name, __FILE__, __LINE__, uarg); |
| return -EFAULT; |
| } |
| |
| return 0; |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /* |
| * mptctl_eventquery - Query the host adapter for the event types |
| * that are being logged. |
| * @arg: User space argument |
| * |
| * Outputs: None. |
| * Return: 0 if successful |
| * -EFAULT if data unavailable |
| * -ENODEV if no such device/adapter |
| */ |
| static int |
| mptctl_eventquery (unsigned long arg) |
| { |
| struct mpt_ioctl_eventquery __user *uarg = (void __user *) arg; |
| struct mpt_ioctl_eventquery karg; |
| MPT_ADAPTER *ioc; |
| int iocnum; |
| |
| if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventquery))) { |
| printk(KERN_ERR MYNAM "%s@%d::mptctl_eventquery - " |
| "Unable to read in mpt_ioctl_eventquery struct @ %p\n", |
| __FILE__, __LINE__, uarg); |
| return -EFAULT; |
| } |
| |
| if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || |
| (ioc == NULL)) { |
| printk(KERN_DEBUG MYNAM "%s::mptctl_eventquery() @%d - ioc%d not found!\n", |
| __FILE__, __LINE__, iocnum); |
| return -ENODEV; |
| } |
| |
| dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_eventquery called.\n", |
| ioc->name)); |
| karg.eventEntries = MPTCTL_EVENT_LOG_SIZE; |
| karg.eventTypes = ioc->eventTypes; |
| |
| /* Copy the data from kernel memory to user memory |
| */ |
| if (copy_to_user((char __user *)arg, &karg, sizeof(struct mpt_ioctl_eventquery))) { |
| printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_eventquery - " |
| "Unable to write out mpt_ioctl_eventquery struct @ %p\n", |
| ioc->name, __FILE__, __LINE__, uarg); |
| return -EFAULT; |
| } |
| return 0; |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| static int |
| mptctl_eventenable (unsigned long arg) |
| { |
| struct mpt_ioctl_eventenable __user *uarg = (void __user *) arg; |
| struct mpt_ioctl_eventenable karg; |
| MPT_ADAPTER *ioc; |
| int iocnum; |
| |
| if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventenable))) { |
| printk(KERN_ERR MYNAM "%s@%d::mptctl_eventenable - " |
| "Unable to read in mpt_ioctl_eventenable struct @ %p\n", |
| __FILE__, __LINE__, uarg); |
| return -EFAULT; |
| } |
| |
| if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || |
| (ioc == NULL)) { |
| printk(KERN_DEBUG MYNAM "%s::mptctl_eventenable() @%d - ioc%d not found!\n", |
| __FILE__, __LINE__, iocnum); |
| return -ENODEV; |
| } |
| |
| dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_eventenable called.\n", |
| ioc->name)); |
| if (ioc->events == NULL) { |
| /* Have not yet allocated memory - do so now. |
| */ |
| int sz = MPTCTL_EVENT_LOG_SIZE * sizeof(MPT_IOCTL_EVENTS); |
| ioc->events = kzalloc(sz, GFP_KERNEL); |
| if (!ioc->events) { |
| printk(MYIOC_s_ERR_FMT |
| ": ERROR - Insufficient memory to add adapter!\n", |
| ioc->name); |
| return -ENOMEM; |
| } |
| ioc->alloc_total += sz; |
| |
| ioc->eventContext = 0; |
| } |
| |
| /* Update the IOC event logging flag. |
| */ |
| ioc->eventTypes = karg.eventTypes; |
| |
| return 0; |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| static int |
| mptctl_eventreport (unsigned long arg) |
| { |
| struct mpt_ioctl_eventreport __user *uarg = (void __user *) arg; |
| struct mpt_ioctl_eventreport karg; |
| MPT_ADAPTER *ioc; |
| int iocnum; |
| int numBytes, maxEvents, max; |
| |
| if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventreport))) { |
| printk(KERN_ERR MYNAM "%s@%d::mptctl_eventreport - " |
| "Unable to read in mpt_ioctl_eventreport struct @ %p\n", |
| __FILE__, __LINE__, uarg); |
| return -EFAULT; |
| } |
| |
| if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || |
| (ioc == NULL)) { |
| printk(KERN_DEBUG MYNAM "%s::mptctl_eventreport() @%d - ioc%d not found!\n", |
| __FILE__, __LINE__, iocnum); |
| return -ENODEV; |
| } |
| dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_eventreport called.\n", |
| ioc->name)); |
| |
| numBytes = karg.hdr.maxDataSize - sizeof(mpt_ioctl_header); |
| maxEvents = numBytes/sizeof(MPT_IOCTL_EVENTS); |
| |
| |
| max = MPTCTL_EVENT_LOG_SIZE < maxEvents ? MPTCTL_EVENT_LOG_SIZE : maxEvents; |
| |
| /* If fewer than 1 event is requested, there must have |
| * been some type of error. |
| */ |
| if ((max < 1) || !ioc->events) |
| return -ENODATA; |
| |
| /* reset this flag so SIGIO can restart */ |
| ioc->aen_event_read_flag=0; |
| |
| /* Copy the data from kernel memory to user memory |
| */ |
| numBytes = max * sizeof(MPT_IOCTL_EVENTS); |
| if (copy_to_user(uarg->eventData, ioc->events, numBytes)) { |
| printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_eventreport - " |
| "Unable to write out mpt_ioctl_eventreport struct @ %p\n", |
| ioc->name, __FILE__, __LINE__, ioc->events); |
| return -EFAULT; |
| } |
| |
| return 0; |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| static int |
| mptctl_replace_fw (unsigned long arg) |
| { |
| struct mpt_ioctl_replace_fw __user *uarg = (void __user *) arg; |
| struct mpt_ioctl_replace_fw karg; |
| MPT_ADAPTER *ioc; |
| int iocnum; |
| int newFwSize; |
| |
| if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_replace_fw))) { |
| printk(KERN_ERR MYNAM "%s@%d::mptctl_replace_fw - " |
| "Unable to read in mpt_ioctl_replace_fw struct @ %p\n", |
| __FILE__, __LINE__, uarg); |
| return -EFAULT; |
| } |
| |
| if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || |
| (ioc == NULL)) { |
| printk(KERN_DEBUG MYNAM "%s::mptctl_replace_fw() @%d - ioc%d not found!\n", |
| __FILE__, __LINE__, iocnum); |
| return -ENODEV; |
| } |
| |
| dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_replace_fw called.\n", |
| ioc->name)); |
| /* If caching FW, Free the old FW image |
| */ |
| if (ioc->cached_fw == NULL) |
| return 0; |
| |
| mpt_free_fw_memory(ioc); |
| |
| /* Allocate memory for the new FW image |
| */ |
| newFwSize = ALIGN(karg.newImageSize, 4); |
| |
| mpt_alloc_fw_memory(ioc, newFwSize); |
| if (ioc->cached_fw == NULL) |
| return -ENOMEM; |
| |
| /* Copy the data from user memory to kernel space |
| */ |
| if (copy_from_user(ioc->cached_fw, uarg->newImage, newFwSize)) { |
| printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_replace_fw - " |
| "Unable to read in mpt_ioctl_replace_fw image " |
| "@ %p\n", ioc->name, __FILE__, __LINE__, uarg); |
| mpt_free_fw_memory(ioc); |
| return -EFAULT; |
| } |
| |
| /* Update IOCFactsReply |
| */ |
| ioc->facts.FWImageSize = newFwSize; |
| return 0; |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /* MPT IOCTL MPTCOMMAND function. |
| * Cast the arg into the mpt_ioctl_mpt_command structure. |
| * |
| * Outputs: None. |
| * Return: 0 if successful |
| * -EBUSY if previous command timeout and IOC reset is not complete. |
| * -EFAULT if data unavailable |
| * -ENODEV if no such device/adapter |
| * -ETIME if timer expires |
| * -ENOMEM if memory allocation error |
| */ |
| static int |
| mptctl_mpt_command (unsigned long arg) |
| { |
| struct mpt_ioctl_command __user *uarg = (void __user *) arg; |
| struct mpt_ioctl_command karg; |
| MPT_ADAPTER *ioc; |
| int iocnum; |
| int rc; |
| |
| |
| if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_command))) { |
| printk(KERN_ERR MYNAM "%s@%d::mptctl_mpt_command - " |
| "Unable to read in mpt_ioctl_command struct @ %p\n", |
| __FILE__, __LINE__, uarg); |
| return -EFAULT; |
| } |
| |
| if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || |
| (ioc == NULL)) { |
| printk(KERN_DEBUG MYNAM "%s::mptctl_mpt_command() @%d - ioc%d not found!\n", |
| __FILE__, __LINE__, iocnum); |
| return -ENODEV; |
| } |
| |
| rc = mptctl_do_mpt_command (karg, &uarg->MF); |
| |
| return rc; |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /* Worker routine for the IOCTL MPTCOMMAND and MPTCOMMAND32 (sparc) commands. |
| * |
| * Outputs: None. |
| * Return: 0 if successful |
| * -EBUSY if previous command timeout and IOC reset is not complete. |
| * -EFAULT if data unavailable |
| * -ENODEV if no such device/adapter |
| * -ETIME if timer expires |
| * -ENOMEM if memory allocation error |
| * -EPERM if SCSI I/O and target is untagged |
| */ |
| static int |
| mptctl_do_mpt_command (struct mpt_ioctl_command karg, void __user *mfPtr) |
| { |
| MPT_ADAPTER *ioc; |
| MPT_FRAME_HDR *mf = NULL; |
| MPIHeader_t *hdr; |
| char *psge; |
| struct buflist bufIn; /* data In buffer */ |
| struct buflist bufOut; /* data Out buffer */ |
| dma_addr_t dma_addr_in; |
| dma_addr_t dma_addr_out; |
| int sgSize = 0; /* Num SG elements */ |
| int iocnum, flagsLength; |
| int sz, rc = 0; |
| int msgContext; |
| u16 req_idx; |
| ulong timeout; |
| unsigned long timeleft; |
| struct scsi_device *sdev; |
| unsigned long flags; |
| u8 function; |
| |
| /* bufIn and bufOut are used for user to kernel space transfers |
| */ |
| bufIn.kptr = bufOut.kptr = NULL; |
| bufIn.len = bufOut.len = 0; |
| |
| if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || |
| (ioc == NULL)) { |
| printk(KERN_DEBUG MYNAM "%s::mptctl_do_mpt_command() @%d - ioc%d not found!\n", |
| __FILE__, __LINE__, iocnum); |
| return -ENODEV; |
| } |
| |
| spin_lock_irqsave(&ioc->taskmgmt_lock, flags); |
| if (ioc->ioc_reset_in_progress) { |
| spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); |
| printk(KERN_ERR MYNAM "%s@%d::mptctl_do_mpt_command - " |
| "Busy with diagnostic reset\n", __FILE__, __LINE__); |
| return -EBUSY; |
| } |
| spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); |
| |
| /* Basic sanity checks to prevent underflows or integer overflows */ |
| if (karg.maxReplyBytes < 0 || |
| karg.dataInSize < 0 || |
| karg.dataOutSize < 0 || |
| karg.dataSgeOffset < 0 || |
| karg.maxSenseBytes < 0 || |
| karg.dataSgeOffset > ioc->req_sz / 4) |
| return -EINVAL; |
| |
| /* Verify that the final request frame will not be too large. |
| */ |
| sz = karg.dataSgeOffset * 4; |
| if (karg.dataInSize > 0) |
| sz += ioc->SGE_size; |
| if (karg.dataOutSize > 0) |
| sz += ioc->SGE_size; |
| |
| if (sz > ioc->req_sz) { |
| printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " |
| "Request frame too large (%d) maximum (%d)\n", |
| ioc->name, __FILE__, __LINE__, sz, ioc->req_sz); |
| return -EFAULT; |
| } |
| |
| /* Get a free request frame and save the message context. |
| */ |
| if ((mf = mpt_get_msg_frame(mptctl_id, ioc)) == NULL) |
| return -EAGAIN; |
| |
| hdr = (MPIHeader_t *) mf; |
| msgContext = le32_to_cpu(hdr->MsgContext); |
| req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); |
| |
| /* Copy the request frame |
| * Reset the saved message context. |
| * Request frame in user space |
| */ |
| if (copy_from_user(mf, mfPtr, karg.dataSgeOffset * 4)) { |
| printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " |
| "Unable to read MF from mpt_ioctl_command struct @ %p\n", |
| ioc->name, __FILE__, __LINE__, mfPtr); |
| function = -1; |
| rc = -EFAULT; |
| goto done_free_mem; |
| } |
| hdr->MsgContext = cpu_to_le32(msgContext); |
| function = hdr->Function; |
| |
| |
| /* Verify that this request is allowed. |
| */ |
| dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "sending mpi function (0x%02X), req=%p\n", |
| ioc->name, hdr->Function, mf)); |
| |
| switch (function) { |
| case MPI_FUNCTION_IOC_FACTS: |
| case MPI_FUNCTION_PORT_FACTS: |
| karg.dataOutSize = karg.dataInSize = 0; |
| break; |
| |
| case MPI_FUNCTION_CONFIG: |
| { |
| Config_t *config_frame; |
| config_frame = (Config_t *)mf; |
| dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "\ttype=0x%02x ext_type=0x%02x " |
| "number=0x%02x action=0x%02x\n", ioc->name, |
| config_frame->Header.PageType, |
| config_frame->ExtPageType, |
| config_frame->Header.PageNumber, |
| config_frame->Action)); |
| break; |
| } |
| |
| case MPI_FUNCTION_FC_COMMON_TRANSPORT_SEND: |
| case MPI_FUNCTION_FC_EX_LINK_SRVC_SEND: |
| case MPI_FUNCTION_FW_UPLOAD: |
| case MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR: |
| case MPI_FUNCTION_FW_DOWNLOAD: |
| case MPI_FUNCTION_FC_PRIMITIVE_SEND: |
| case MPI_FUNCTION_TOOLBOX: |
| case MPI_FUNCTION_SAS_IO_UNIT_CONTROL: |
| break; |
| |
| case MPI_FUNCTION_SCSI_IO_REQUEST: |
| if (ioc->sh) { |
| SCSIIORequest_t *pScsiReq = (SCSIIORequest_t *) mf; |
| int qtag = MPI_SCSIIO_CONTROL_UNTAGGED; |
| int scsidir = 0; |
| int dataSize; |
| u32 id; |
| |
| id = (ioc->devices_per_bus == 0) ? 256 : ioc->devices_per_bus; |
| if (pScsiReq->TargetID > id) { |
| printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " |
| "Target ID out of bounds. \n", |
| ioc->name, __FILE__, __LINE__); |
| rc = -ENODEV; |
| goto done_free_mem; |
| } |
| |
| if (pScsiReq->Bus >= ioc->number_of_buses) { |
| printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " |
| "Target Bus out of bounds. \n", |
| ioc->name, __FILE__, __LINE__); |
| rc = -ENODEV; |
| goto done_free_mem; |
| } |
| |
| pScsiReq->MsgFlags &= ~MPI_SCSIIO_MSGFLGS_SENSE_WIDTH; |
| pScsiReq->MsgFlags |= mpt_msg_flags(ioc); |
| |
| |
| /* verify that app has not requested |
| * more sense data than driver |
| * can provide, if so, reset this parameter |
| * set the sense buffer pointer low address |
| * update the control field to specify Q type |
| */ |
| if (karg.maxSenseBytes > MPT_SENSE_BUFFER_SIZE) |
| pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE; |
| else |
| pScsiReq->SenseBufferLength = karg.maxSenseBytes; |
| |
| pScsiReq->SenseBufferLowAddr = |
| cpu_to_le32(ioc->sense_buf_low_dma |
| + (req_idx * MPT_SENSE_BUFFER_ALLOC)); |
| |
| shost_for_each_device(sdev, ioc->sh) { |
| struct scsi_target *starget = scsi_target(sdev); |
| VirtTarget *vtarget = starget->hostdata; |
| |
| if (vtarget == NULL) |
| continue; |
| |
| if ((pScsiReq->TargetID == vtarget->id) && |
| (pScsiReq->Bus == vtarget->channel) && |
| (vtarget->tflags & MPT_TARGET_FLAGS_Q_YES)) |
| qtag = MPI_SCSIIO_CONTROL_SIMPLEQ; |
| } |
| |
| /* Have the IOCTL driver set the direction based |
| * on the dataOutSize (ordering issue with Sparc). |
| */ |
| if (karg.dataOutSize > 0) { |
| scsidir = MPI_SCSIIO_CONTROL_WRITE; |
| dataSize = karg.dataOutSize; |
| } else { |
| scsidir = MPI_SCSIIO_CONTROL_READ; |
| dataSize = karg.dataInSize; |
| } |
| |
| pScsiReq->Control = cpu_to_le32(scsidir | qtag); |
| pScsiReq->DataLength = cpu_to_le32(dataSize); |
| |
| |
| } else { |
| printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " |
| "SCSI driver is not loaded. \n", |
| ioc->name, __FILE__, __LINE__); |
| rc = -EFAULT; |
| goto done_free_mem; |
| } |
| break; |
| |
| case MPI_FUNCTION_SMP_PASSTHROUGH: |
| /* Check mf->PassthruFlags to determine if |
| * transfer is ImmediateMode or not. |
| * Immediate mode returns data in the ReplyFrame. |
| * Else, we are sending request and response data |
| * in two SGLs at the end of the mf. |
| */ |
| break; |
| |
| case MPI_FUNCTION_SATA_PASSTHROUGH: |
| if (!ioc->sh) { |
| printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " |
| "SCSI driver is not loaded. \n", |
| ioc->name, __FILE__, __LINE__); |
| rc = -EFAULT; |
| goto done_free_mem; |
| } |
| break; |
| |
| case MPI_FUNCTION_RAID_ACTION: |
| /* Just add a SGE |
| */ |
| break; |
| |
| case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: |
| if (ioc->sh) { |
| SCSIIORequest_t *pScsiReq = (SCSIIORequest_t *) mf; |
| int qtag = MPI_SCSIIO_CONTROL_SIMPLEQ; |
| int scsidir = MPI_SCSIIO_CONTROL_READ; |
| int dataSize; |
| |
| pScsiReq->MsgFlags &= ~MPI_SCSIIO_MSGFLGS_SENSE_WIDTH; |
| pScsiReq->MsgFlags |= mpt_msg_flags(ioc); |
| |
| |
| /* verify that app has not requested |
| * more sense data than driver |
| * can provide, if so, reset this parameter |
| * set the sense buffer pointer low address |
| * update the control field to specify Q type |
| */ |
| if (karg.maxSenseBytes > MPT_SENSE_BUFFER_SIZE) |
| pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE; |
| else |
| pScsiReq->SenseBufferLength = karg.maxSenseBytes; |
| |
| pScsiReq->SenseBufferLowAddr = |
| cpu_to_le32(ioc->sense_buf_low_dma |
| + (req_idx * MPT_SENSE_BUFFER_ALLOC)); |
| |
| /* All commands to physical devices are tagged |
| */ |
| |
| /* Have the IOCTL driver set the direction based |
| * on the dataOutSize (ordering issue with Sparc). |
| */ |
| if (karg.dataOutSize > 0) { |
| scsidir = MPI_SCSIIO_CONTROL_WRITE; |
| dataSize = karg.dataOutSize; |
| } else { |
| scsidir = MPI_SCSIIO_CONTROL_READ; |
| dataSize = karg.dataInSize; |
| } |
| |
| pScsiReq->Control = cpu_to_le32(scsidir | qtag); |
| pScsiReq->DataLength = cpu_to_le32(dataSize); |
| |
| } else { |
| printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " |
| "SCSI driver is not loaded. \n", |
| ioc->name, __FILE__, __LINE__); |
| rc = -EFAULT; |
| goto done_free_mem; |
| } |
| break; |
| |
| case MPI_FUNCTION_SCSI_TASK_MGMT: |
| { |
| SCSITaskMgmt_t *pScsiTm; |
| pScsiTm = (SCSITaskMgmt_t *)mf; |
| dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
| "\tTaskType=0x%x MsgFlags=0x%x " |
| "TaskMsgContext=0x%x id=%d channel=%d\n", |
| ioc->name, pScsiTm->TaskType, le32_to_cpu |
| (pScsiTm->TaskMsgContext), pScsiTm->MsgFlags, |
| pScsiTm->TargetID, pScsiTm->Bus)); |
| break; |
| } |
| |
| case MPI_FUNCTION_IOC_INIT: |
| { |
| IOCInit_t *pInit = (IOCInit_t *) mf; |
| u32 high_addr, sense_high; |
| |
| /* Verify that all entries in the IOC INIT match |
| * existing setup (and in LE format). |
| */ |
| if (sizeof(dma_addr_t) == sizeof(u64)) { |
| high_addr = cpu_to_le32((u32)((u64)ioc->req_frames_dma >> 32)); |
| sense_high= cpu_to_le32((u32)((u64)ioc->sense_buf_pool_dma >> 32)); |
| } else { |
| high_addr = 0; |
| sense_high= 0; |
| } |
| |
| if ((pInit->Flags != 0) || (pInit->MaxDevices != ioc->facts.MaxDevices) || |
| (pInit->MaxBuses != ioc->facts.MaxBuses) || |
| (pInit->ReplyFrameSize != cpu_to_le16(ioc->reply_sz)) || |
| (pInit->HostMfaHighAddr != high_addr) || |
| (pInit->SenseBufferHighAddr != sense_high)) { |
| printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " |
| "IOC_INIT issued with 1 or more incorrect parameters. Rejected.\n", |
| ioc->name, __FILE__, __LINE__); |
| rc = -EFAULT; |
| goto done_free_mem; |
| } |
| } |
| break; |
| default: |
| /* |
| * MPI_FUNCTION_PORT_ENABLE |
| * MPI_FUNCTION_TARGET_CMD_BUFFER_POST |
| * MPI_FUNCTION_TARGET_ASSIST |
| * MPI_FUNCTION_TARGET_STATUS_SEND |
| * MPI_FUNCTION_TARGET_MODE_ABORT |
| * MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET |
| * MPI_FUNCTION_IO_UNIT_RESET |
| * MPI_FUNCTION_HANDSHAKE |
| * MPI_FUNCTION_REPLY_FRAME_REMOVAL |
| * MPI_FUNCTION_EVENT_NOTIFICATION |
| * (driver handles event notification) |
| * MPI_FUNCTION_EVENT_ACK |
| */ |
| |
| /* What to do with these??? CHECK ME!!! |
| MPI_FUNCTION_FC_LINK_SRVC_BUF_POST |
| MPI_FUNCTION_FC_LINK_SRVC_RSP |
| MPI_FUNCTION_FC_ABORT |
| MPI_FUNCTION_LAN_SEND |
| MPI_FUNCTION_LAN_RECEIVE |
| MPI_FUNCTION_LAN_RESET |
| */ |
| |
| printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " |
| "Illegal request (function 0x%x) \n", |
| ioc->name, __FILE__, __LINE__, hdr->Function); |
| rc = -EFAULT; |
| goto done_free_mem; |
| } |
| |
| /* Add the SGL ( at most one data in SGE and one data out SGE ) |
| * In the case of two SGE's - the data out (write) will always |
| * preceede the data in (read) SGE. psgList is used to free the |
| * allocated memory. |
| */ |
| psge = (char *) (((int *) mf) + karg.dataSgeOffset); |
| flagsLength = 0; |
| |
| if (karg.dataOutSize > 0) |
| sgSize ++; |
| |
| if (karg.dataInSize > 0) |
| sgSize ++; |
| |
| if (sgSize > 0) { |
| |
| /* Set up the dataOut memory allocation */ |
| if (karg.dataOutSize > 0) { |
| if (karg.dataInSize > 0) { |
| flagsLength = ( MPI_SGE_FLAGS_SIMPLE_ELEMENT | |
| MPI_SGE_FLAGS_END_OF_BUFFER | |
| MPI_SGE_FLAGS_DIRECTION) |
| << MPI_SGE_FLAGS_SHIFT; |
| } else { |
| flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE; |
| } |
| flagsLength |= karg.dataOutSize; |
| bufOut.len = karg.dataOutSize; |
| bufOut.kptr = pci_alloc_consistent( |
| ioc->pcidev, bufOut.len, &dma_addr_out); |
| |
| if (bufOut.kptr == NULL) { |
| rc = -ENOMEM; |
| goto done_free_mem; |
| } else { |
| /* Set up this SGE. |
| * Copy to MF and to sglbuf |
| */ |
| ioc->add_sge(psge, flagsLength, dma_addr_out); |
| psge += ioc->SGE_size; |
| |
| /* Copy user data to kernel space. |
| */ |
| if (copy_from_user(bufOut.kptr, |
| karg.dataOutBufPtr, |
| bufOut.len)) { |
| printk(MYIOC_s_ERR_FMT |
| "%s@%d::mptctl_do_mpt_command - Unable " |
| "to read user data " |
| "struct @ %p\n", |
| ioc->name, __FILE__, __LINE__,karg.dataOutBufPtr); |
| rc = -EFAULT; |
| goto done_free_mem; |
| } |
| } |
| } |
| |
| if (karg.dataInSize > 0) { |
| flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ; |
| flagsLength |= karg.dataInSize; |
| |
| bufIn.len = karg.dataInSize; |
| bufIn.kptr = pci_alloc_consistent(ioc->pcidev, |
| bufIn.len, &dma_addr_in); |
| |
| if (bufIn.kptr == NULL) { |
| rc = -ENOMEM; |
| goto done_free_mem; |
| } else { |
| /* Set up this SGE |
| * Copy to MF and to sglbuf |
| */ |
| ioc->add_sge(psge, flagsLength, dma_addr_in); |
| } |
| } |
| } else { |
| /* Add a NULL SGE |
| */ |
| ioc->add_sge(psge, flagsLength, (dma_addr_t) -1); |
| } |
| |
| SET_MGMT_MSG_CONTEXT(ioc->ioctl_cmds.msg_context, hdr->MsgContext); |
| INITIALIZE_MGMT_STATUS(ioc->ioctl_cmds.status) |
| if (hdr->Function == MPI_FUNCTION_SCSI_TASK_MGMT) { |
| |
| mutex_lock(&ioc->taskmgmt_cmds.mutex); |
| if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) { |
| mutex_unlock(&ioc->taskmgmt_cmds.mutex); |
| goto done_free_mem; |
| } |
| |
| DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)mf); |
| |
| if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) && |
| (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) |
| mpt_put_msg_frame_hi_pri(mptctl_id, ioc, mf); |
| else { |
| rc =mpt_send_handshake_request(mptctl_id, ioc, |
| sizeof(SCSITaskMgmt_t), (u32*)mf, CAN_SLEEP); |
| if (rc != 0) { |
| dfailprintk(ioc, printk(MYIOC_s_ERR_FMT |
| "send_handshake FAILED! (ioc %p, mf %p)\n", |
| ioc->name, ioc, mf)); |
| mpt_clear_taskmgmt_in_progress_flag(ioc); |
| rc = -ENODATA; |
| mutex_unlock(&ioc->taskmgmt_cmds.mutex); |
| goto done_free_mem; |
| } |
| } |
| |
| } else |
| mpt_put_msg_frame(mptctl_id, ioc, mf); |
| |
| /* Now wait for the command to complete */ |
| timeout = (karg.timeout > 0) ? karg.timeout : MPT_IOCTL_DEFAULT_TIMEOUT; |
| retry_wait: |
| timeleft = wait_for_completion_timeout(&ioc->ioctl_cmds.done, |
| HZ*timeout); |
| if (!(ioc->ioctl_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { |
| rc = -ETIME; |
| dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "%s: TIMED OUT!\n", |
| ioc->name, __func__)); |
| if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) { |
| if (function == MPI_FUNCTION_SCSI_TASK_MGMT) |
| mutex_unlock(&ioc->taskmgmt_cmds.mutex); |
| goto done_free_mem; |
| } |
| if (!timeleft) { |
| printk(MYIOC_s_WARN_FMT |
| "mpt cmd timeout, doorbell=0x%08x" |
| " function=0x%x\n", |
| ioc->name, mpt_GetIocState(ioc, 0), function); |
| if (function == MPI_FUNCTION_SCSI_TASK_MGMT) |
| mutex_unlock(&ioc->taskmgmt_cmds.mutex); |
| mptctl_timeout_expired(ioc, mf); |
| mf = NULL; |
| } else |
| goto retry_wait; |
| goto done_free_mem; |
| } |
| |
| if (function == MPI_FUNCTION_SCSI_TASK_MGMT) |
| mutex_unlock(&ioc->taskmgmt_cmds.mutex); |
| |
| |
| mf = NULL; |
| |
| /* If a valid reply frame, copy to the user. |
| * Offset 2: reply length in U32's |
| */ |
| if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_RF_VALID) { |
| if (karg.maxReplyBytes < ioc->reply_sz) { |
| sz = min(karg.maxReplyBytes, |
| 4*ioc->ioctl_cmds.reply[2]); |
| } else { |
| sz = min(ioc->reply_sz, 4*ioc->ioctl_cmds.reply[2]); |
| } |
| if (sz > 0) { |
| if (copy_to_user(karg.replyFrameBufPtr, |
| ioc->ioctl_cmds.reply, sz)){ |
| printk(MYIOC_s_ERR_FMT |
| "%s@%d::mptctl_do_mpt_command - " |
| "Unable to write out reply frame %p\n", |
| ioc->name, __FILE__, __LINE__, karg.replyFrameBufPtr); |
| rc = -ENODATA; |
| goto done_free_mem; |
| } |
| } |
| } |
| |
| /* If valid sense data, copy to user. |
| */ |
| if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_SENSE_VALID) { |
| sz = min(karg.maxSenseBytes, MPT_SENSE_BUFFER_SIZE); |
| if (sz > 0) { |
| if (copy_to_user(karg.senseDataPtr, |
| ioc->ioctl_cmds.sense, sz)) { |
| printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " |
| "Unable to write sense data to user %p\n", |
| ioc->name, __FILE__, __LINE__, |
| karg.senseDataPtr); |
| rc = -ENODATA; |
| goto done_free_mem; |
| } |
| } |
| } |
| |
| /* If the overall status is _GOOD and data in, copy data |
| * to user. |
| */ |
| if ((ioc->ioctl_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD) && |
| (karg.dataInSize > 0) && (bufIn.kptr)) { |
| |
| if (copy_to_user(karg.dataInBufPtr, |
| bufIn.kptr, karg.dataInSize)) { |
| printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " |
| "Unable to write data to user %p\n", |
| ioc->name, __FILE__, __LINE__, |
| karg.dataInBufPtr); |
| rc = -ENODATA; |
| } |
| } |
| |
| done_free_mem: |
| |
| CLEAR_MGMT_STATUS(ioc->ioctl_cmds.status) |
| SET_MGMT_MSG_CONTEXT(ioc->ioctl_cmds.msg_context, 0); |
| |
| /* Free the allocated memory. |
| */ |
| if (bufOut.kptr != NULL) { |
| pci_free_consistent(ioc->pcidev, |
| bufOut.len, (void *) bufOut.kptr, dma_addr_out); |
| } |
| |
| if (bufIn.kptr != NULL) { |
| pci_free_consistent(ioc->pcidev, |
| bufIn.len, (void *) bufIn.kptr, dma_addr_in); |
| } |
| |
| /* mf is null if command issued successfully |
| * otherwise, failure occurred after mf acquired. |
| */ |
| if (mf) |
| mpt_free_msg_frame(ioc, mf); |
| |
| return rc; |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /* Prototype Routine for the HOST INFO command. |
| * |
| * Outputs: None. |
| * Return: 0 if successful |
| * -EFAULT if data unavailable |
| * -EBUSY if previous command timeout and IOC reset is not complete. |
| * -ENODEV if no such device/adapter |
| * -ETIME if timer expires |
| * -ENOMEM if memory allocation error |
| */ |
| static int |
| mptctl_hp_hostinfo(unsigned long arg, unsigned int data_size) |
| { |
| hp_host_info_t __user *uarg = (void __user *) arg; |
| MPT_ADAPTER *ioc; |
| struct pci_dev *pdev; |
| char *pbuf=NULL; |
| dma_addr_t buf_dma; |
| hp_host_info_t karg; |
| CONFIGPARMS cfg; |
| ConfigPageHeader_t hdr; |
| int iocnum; |
| int rc, cim_rev; |
| ToolboxIstwiReadWriteRequest_t *IstwiRWRequest; |
| MPT_FRAME_HDR *mf = NULL; |
| unsigned long timeleft; |
| int retval; |
| u32 msgcontext; |
| |
| /* Reset long to int. Should affect IA64 and SPARC only |
| */ |
| if (data_size == sizeof(hp_host_info_t)) |
| cim_rev = 1; |
| else if (data_size == sizeof(hp_host_info_rev0_t)) |
| cim_rev = 0; /* obsolete */ |
| else |
| return -EFAULT; |
| |
| if (copy_from_user(&karg, uarg, sizeof(hp_host_info_t))) { |
| printk(KERN_ERR MYNAM "%s@%d::mptctl_hp_host_info - " |
| "Unable to read in hp_host_info struct @ %p\n", |
| __FILE__, __LINE__, uarg); |
| return -EFAULT; |
| } |
| |
| if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || |
| (ioc == NULL)) { |
| printk(KERN_DEBUG MYNAM "%s::mptctl_hp_hostinfo() @%d - ioc%d not found!\n", |
| __FILE__, __LINE__, iocnum); |
| return -ENODEV; |
| } |
| dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": mptctl_hp_hostinfo called.\n", |
| ioc->name)); |
| |
| /* Fill in the data and return the structure to the calling |
| * program |
| */ |
| pdev = (struct pci_dev *) ioc->pcidev; |
| |
| karg.vendor = pdev->vendor; |
| karg.device = pdev->device; |
| karg.subsystem_id = pdev->subsystem_device; |
| karg.subsystem_vendor = pdev->subsystem_vendor; |
| karg.devfn = pdev->devfn; |
| karg.bus = pdev->bus->number; |
| |
| /* Save the SCSI host no. if |
| * SCSI driver loaded |
| */ |
| if (ioc->sh != NULL) |
| karg.host_no = ioc->sh->host_no; |
| else |
| karg.host_no = -1; |
| |
| /* Reformat the fw_version into a string */ |
| snprintf(karg.fw_version, sizeof(karg.fw_version), |
| "%.2hhu.%.2hhu.%.2hhu.%.2hhu", |
| ioc->facts.FWVersion.Struct.Major, |
| ioc->facts.FWVersion.Struct.Minor, |
| ioc->facts.FWVersion.Struct.Unit, |
| ioc->facts.FWVersion.Struct.Dev); |
| |
| /* Issue a config request to get the device serial number |
| */ |
| hdr.PageVersion = 0; |
| hdr.PageLength = 0; |
| hdr.PageNumber = 0; |
| hdr.PageType = MPI_CONFIG_PAGETYPE_MANUFACTURING; |
| cfg.cfghdr.hdr = &hdr; |
| cfg.physAddr = -1; |
| cfg.pageAddr = 0; |
| cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; |
| cfg.dir = 0; /* read */ |
| cfg.timeout = 10; |
| |
| strncpy(karg.serial_number, " ", 24); |
| if (mpt_config(ioc, &cfg) == 0) { |
| if (cfg.cfghdr.hdr->PageLength > 0) { |
| /* Issue the second config page request */ |
| cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; |
| |
| pbuf = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4, &buf_dma); |
| if (pbuf) { |
| cfg.physAddr = buf_dma; |
| if (mpt_config(ioc, &cfg) == 0) { |
| ManufacturingPage0_t *pdata = (ManufacturingPage0_t *) pbuf; |
| if (strlen(pdata->BoardTracerNumber) > 1) { |
| strlcpy(karg.serial_number, |
| pdata->BoardTracerNumber, 24); |
| } |
| } |
| pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, pbuf, buf_dma); |
| pbuf = NULL; |
| } |
| } |
| } |
| rc = mpt_GetIocState(ioc, 1); |
| switch (rc) { |
| case MPI_IOC_STATE_OPERATIONAL: |
| karg.ioc_status = HP_STATUS_OK; |
| break; |
| |
| case MPI_IOC_STATE_FAULT: |
| karg.ioc_status = HP_STATUS_FAILED; |
| break; |
| |
| case MPI_IOC_STATE_RESET: |
| case MPI_IOC_STATE_READY: |
| default: |
| karg.ioc_status = HP_STATUS_OTHER; |
| break; |
| } |
| |
| karg.base_io_addr = pci_resource_start(pdev, 0); |
| |
| if ((ioc->bus_type == SAS) || (ioc->bus_type == FC)) |
| karg.bus_phys_width = HP_BUS_WIDTH_UNK; |
| else |
| karg.bus_phys_width = HP_BUS_WIDTH_16; |
| |
| karg.hard_resets = 0; |
| karg.soft_resets = 0; |
| karg.timeouts = 0; |
| if (ioc->sh != NULL) { |
| MPT_SCSI_HOST *hd = shost_priv(ioc->sh); |
| |
| if (hd && (cim_rev == 1)) { |
| karg.hard_resets = ioc->hard_resets; |
| karg.soft_resets = ioc->soft_resets; |
| karg.timeouts = ioc->timeouts; |
| } |
| } |
| |
| /* |
| * Gather ISTWI(Industry Standard Two Wire Interface) Data |
| */ |
| if ((mf = mpt_get_msg_frame(mptctl_id, ioc)) == NULL) { |
| dfailprintk(ioc, printk(MYIOC_s_WARN_FMT |
| "%s, no msg frames!!\n", ioc->name, __func__)); |
| goto out; |
| } |
| |
| IstwiRWRequest = (ToolboxIstwiReadWriteRequest_t *)mf; |
| msgcontext = IstwiRWRequest->MsgContext; |
| memset(IstwiRWRequest,0,sizeof(ToolboxIstwiReadWriteRequest_t)); |
| IstwiRWRequest->MsgContext = msgcontext; |
| IstwiRWRequest->Function = MPI_FUNCTION_TOOLBOX; |
| IstwiRWRequest->Tool = MPI_TOOLBOX_ISTWI_READ_WRITE_TOOL; |
| IstwiRWRequest->Flags = MPI_TB_ISTWI_FLAGS_READ; |
| IstwiRWRequest->NumAddressBytes = 0x01; |
| IstwiRWRequest->DataLength = cpu_to_le16(0x04); |
| if (pdev->devfn & 1) |
| IstwiRWRequest->DeviceAddr = 0xB2; |
| else |
| IstwiRWRequest->DeviceAddr = 0xB0; |
| |
| pbuf = pci_alloc_consistent(ioc->pcidev, 4, &buf_dma); |
| if (!pbuf) |
| goto out; |
| ioc->add_sge((char *)&IstwiRWRequest->SGL, |
| (MPT_SGE_FLAGS_SSIMPLE_READ|4), buf_dma); |
| |
| retval = 0; |
| SET_MGMT_MSG_CONTEXT(ioc->ioctl_cmds.msg_context, |
| IstwiRWRequest->MsgContext); |
| INITIALIZE_MGMT_STATUS(ioc->ioctl_cmds.status) |
| mpt_put_msg_frame(mptctl_id, ioc, mf); |
| |
| retry_wait: |
| timeleft = wait_for_completion_timeout(&ioc->ioctl_cmds.done, |
| HZ*MPT_IOCTL_DEFAULT_TIMEOUT); |
| if (!(ioc->ioctl_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { |
| retval = -ETIME; |
| printk(MYIOC_s_WARN_FMT "%s: failed\n", ioc->name, __func__); |
| if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) { |
| mpt_free_msg_frame(ioc, mf); |
| goto out; |
| } |
| if (!timeleft) { |
| printk(MYIOC_s_WARN_FMT |
| "HOST INFO command timeout, doorbell=0x%08x\n", |
| ioc->name, mpt_GetIocState(ioc, 0)); |
| mptctl_timeout_expired(ioc, mf); |
| } else |
| goto retry_wait; |
| goto out; |
| } |
| |
| /* |
| *ISTWI Data Definition |
| * pbuf[0] = FW_VERSION = 0x4 |
| * pbuf[1] = Bay Count = 6 or 4 or 2, depending on |
| * the config, you should be seeing one out of these three values |
| * pbuf[2] = Drive Installed Map = bit pattern depend on which |
| * bays have drives in them |
| * pbuf[3] = Checksum (0x100 = (byte0 + byte2 + byte3) |
| */ |
| if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_RF_VALID) |
| karg.rsvd = *(u32 *)pbuf; |
| |
| out: |
| CLEAR_MGMT_STATUS(ioc->ioctl_cmds.status) |
| SET_MGMT_MSG_CONTEXT(ioc->ioctl_cmds.msg_context, 0); |
| |
| if (pbuf) |
| pci_free_consistent(ioc->pcidev, 4, pbuf, buf_dma); |
| |
| /* Copy the data from kernel memory to user memory |
| */ |
| if (copy_to_user((char __user *)arg, &karg, sizeof(hp_host_info_t))) { |
| printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_hpgethostinfo - " |
| "Unable to write out hp_host_info @ %p\n", |
| ioc->name, __FILE__, __LINE__, uarg); |
| return -EFAULT; |
| } |
| |
| return 0; |
| |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /* Prototype Routine for the TARGET INFO command. |
| * |
| * Outputs: None. |
| * Return: 0 if successful |
| * -EFAULT if data unavailable |
| * -EBUSY if previous command timeout and IOC reset is not complete. |
| * -ENODEV if no such device/adapter |
| * -ETIME if timer expires |
| * -ENOMEM if memory allocation error |
| */ |
| static int |
| mptctl_hp_targetinfo(unsigned long arg) |
| { |
| hp_target_info_t __user *uarg = (void __user *) arg; |
| SCSIDevicePage0_t *pg0_alloc; |
| SCSIDevicePage3_t *pg3_alloc; |
| MPT_ADAPTER *ioc; |
| MPT_SCSI_HOST *hd = NULL; |
| hp_target_info_t karg; |
| int iocnum; |
| int data_sz; |
| dma_addr_t page_dma; |
| CONFIGPARMS cfg; |
| ConfigPageHeader_t hdr; |
| int tmp, np, rc = 0; |
| |
| if (copy_from_user(&karg, uarg, sizeof(hp_target_info_t))) { |
| printk(KERN_ERR MYNAM "%s@%d::mptctl_hp_targetinfo - " |
| "Unable to read in hp_host_targetinfo struct @ %p\n", |
| __FILE__, __LINE__, uarg); |
| return -EFAULT; |
| } |
| |
| if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || |
| (ioc == NULL)) { |
| printk(KERN_DEBUG MYNAM "%s::mptctl_hp_targetinfo() @%d - ioc%d not found!\n", |
| __FILE__, __LINE__, iocnum); |
| return -ENODEV; |
| } |
| if (karg.hdr.id >= MPT_MAX_FC_DEVICES) |
| return -EINVAL; |
| dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_hp_targetinfo called.\n", |
| ioc->name)); |
| |
| /* There is nothing to do for FCP parts. |
| */ |
| if ((ioc->bus_type == SAS) || (ioc->bus_type == FC)) |
| return 0; |
| |
| if ((ioc->spi_data.sdp0length == 0) || (ioc->sh == NULL)) |
| return 0; |
| |
| if (ioc->sh->host_no != karg.hdr.host) |
| return -ENODEV; |
| |
| /* Get the data transfer speeds |
| */ |
| data_sz = ioc->spi_data.sdp0length * 4; |
| pg0_alloc = (SCSIDevicePage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page_dma); |
| if (pg0_alloc) { |
| hdr.PageVersion = ioc->spi_data.sdp0version; |
| hdr.PageLength = data_sz; |
| hdr.PageNumber = 0; |
| hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; |
| |
| cfg.cfghdr.hdr = &hdr; |
| cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; |
| cfg.dir = 0; |
| cfg.timeout = 0; |
| cfg.physAddr = page_dma; |
| |
| cfg.pageAddr = (karg.hdr.channel << 8) | karg.hdr.id; |
| |
| if ((rc = mpt_config(ioc, &cfg)) == 0) { |
| np = le32_to_cpu(pg0_alloc->NegotiatedParameters); |
| karg.negotiated_width = np & MPI_SCSIDEVPAGE0_NP_WIDE ? |
| HP_BUS_WIDTH_16 : HP_BUS_WIDTH_8; |
| |
| if (np & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK) { |
| tmp = (np & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK) >> 8; |
| if (tmp < 0x09) |
| karg.negotiated_speed = HP_DEV_SPEED_ULTRA320; |
| else if (tmp <= 0x09) |
| karg.negotiated_speed = HP_DEV_SPEED_ULTRA160; |
| else if (tmp <= 0x0A) |
| karg.negotiated_speed = HP_DEV_SPEED_ULTRA2; |
| else if (tmp <= 0x0C) |
| karg.negotiated_speed = HP_DEV_SPEED_ULTRA; |
| else if (tmp <= 0x25) |
| karg.negotiated_speed = HP_DEV_SPEED_FAST; |
| else |
| karg.negotiated_speed = HP_DEV_SPEED_ASYNC; |
| } else |
| karg.negotiated_speed = HP_DEV_SPEED_ASYNC; |
| } |
| |
| pci_free_consistent(ioc->pcidev, data_sz, (u8 *) pg0_alloc, page_dma); |
| } |
| |
| /* Set defaults |
| */ |
| karg.message_rejects = -1; |
| karg.phase_errors = -1; |
| karg.parity_errors = -1; |
| karg.select_timeouts = -1; |
| |
| /* Get the target error parameters |
| */ |
| hdr.PageVersion = 0; |
| hdr.PageLength = 0; |
| hdr.PageNumber = 3; |
| hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; |
| |
| cfg.cfghdr.hdr = &hdr; |
| cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; |
| cfg.dir = 0; |
| cfg.timeout = 0; |
| cfg.physAddr = -1; |
| if ((mpt_config(ioc, &cfg) == 0) && (cfg.cfghdr.hdr->PageLength > 0)) { |
| /* Issue the second config page request */ |
| cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; |
| data_sz = (int) cfg.cfghdr.hdr->PageLength * 4; |
| pg3_alloc = (SCSIDevicePage3_t *) pci_alloc_consistent( |
| ioc->pcidev, data_sz, &page_dma); |
| if (pg3_alloc) { |
| cfg.physAddr = page_dma; |
| cfg.pageAddr = (karg.hdr.channel << 8) | karg.hdr.id; |
| if ((rc = mpt_config(ioc, &cfg)) == 0) { |
| karg.message_rejects = (u32) le16_to_cpu(pg3_alloc->MsgRejectCount); |
| karg.phase_errors = (u32) le16_to_cpu(pg3_alloc->PhaseErrorCount); |
| karg.parity_errors = (u32) le16_to_cpu(pg3_alloc->ParityErrorCount); |
| } |
| pci_free_consistent(ioc->pcidev, data_sz, (u8 *) pg3_alloc, page_dma); |
| } |
| } |
| hd = shost_priv(ioc->sh); |
| if (hd != NULL) |
| karg.select_timeouts = hd->sel_timeout[karg.hdr.id]; |
| |
| /* Copy the data from kernel memory to user memory |
| */ |
| if (copy_to_user((char __user *)arg, &karg, sizeof(hp_target_info_t))) { |
| printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_hp_target_info - " |
| "Unable to write out mpt_ioctl_targetinfo struct @ %p\n", |
| ioc->name, __FILE__, __LINE__, uarg); |
| return -EFAULT; |
| } |
| |
| return 0; |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| |
| static const struct file_operations mptctl_fops = { |
| .owner = THIS_MODULE, |
| .llseek = no_llseek, |
| .fasync = mptctl_fasync, |
| .unlocked_ioctl = mptctl_ioctl, |
| #ifdef CONFIG_COMPAT |
| .compat_ioctl = compat_mpctl_ioctl, |
| #endif |
| }; |
| |
| static struct miscdevice mptctl_miscdev = { |
| MPT_MINOR, |
| MYNAM, |
| &mptctl_fops |
| }; |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| |
| #ifdef CONFIG_COMPAT |
| |
| static int |
| compat_mptfwxfer_ioctl(struct file *filp, unsigned int cmd, |
| unsigned long arg) |
| { |
| struct mpt_fw_xfer32 kfw32; |
| struct mpt_fw_xfer kfw; |
| MPT_ADAPTER *iocp = NULL; |
| int iocnum, iocnumX; |
| int nonblock = (filp->f_flags & O_NONBLOCK); |
| int ret; |
| |
| |
| if (copy_from_user(&kfw32, (char __user *)arg, sizeof(kfw32))) |
| return -EFAULT; |
| |
| /* Verify intended MPT adapter */ |
| iocnumX = kfw32.iocnum & 0xFF; |
| if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) || |
| (iocp == NULL)) { |
| printk(KERN_DEBUG MYNAM "::compat_mptfwxfer_ioctl @%d - ioc%d not found!\n", |
| __LINE__, iocnumX); |
| return -ENODEV; |
| } |
| |
| if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0) |
| return ret; |
| |
| dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "compat_mptfwxfer_ioctl() called\n", |
| iocp->name)); |
| kfw.iocnum = iocnum; |
| kfw.fwlen = kfw32.fwlen; |
| kfw.bufp = compat_ptr(kfw32.bufp); |
| |
| ret = mptctl_do_fw_download(kfw.iocnum, kfw.bufp, kfw.fwlen); |
| |
| mutex_unlock(&iocp->ioctl_cmds.mutex); |
| |
| return ret; |
| } |
| |
| static int |
| compat_mpt_command(struct file *filp, unsigned int cmd, |
| unsigned long arg) |
| { |
| struct mpt_ioctl_command32 karg32; |
| struct mpt_ioctl_command32 __user *uarg = (struct mpt_ioctl_command32 __user *) arg; |
| struct mpt_ioctl_command karg; |
| MPT_ADAPTER *iocp = NULL; |
| int iocnum, iocnumX; |
| int nonblock = (filp->f_flags & O_NONBLOCK); |
| int ret; |
| |
| if (copy_from_user(&karg32, (char __user *)arg, sizeof(karg32))) |
| return -EFAULT; |
| |
| /* Verify intended MPT adapter */ |
| iocnumX = karg32.hdr.iocnum & 0xFF; |
| if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) || |
| (iocp == NULL)) { |
| printk(KERN_DEBUG MYNAM "::compat_mpt_command @%d - ioc%d not found!\n", |
| __LINE__, iocnumX); |
| return -ENODEV; |
| } |
| |
| if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0) |
| return ret; |
| |
| dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "compat_mpt_command() called\n", |
| iocp->name)); |
| /* Copy data to karg */ |
| karg.hdr.iocnum = karg32.hdr.iocnum; |
| karg.hdr.port = karg32.hdr.port; |
| karg.timeout = karg32.timeout; |
| karg.maxReplyBytes = karg32.maxReplyBytes; |
| |
| karg.dataInSize = karg32.dataInSize; |
| karg.dataOutSize = karg32.dataOutSize; |
| karg.maxSenseBytes = karg32.maxSenseBytes; |
| karg.dataSgeOffset = karg32.dataSgeOffset; |
| |
| karg.replyFrameBufPtr = (char __user *)(unsigned long)karg32.replyFrameBufPtr; |
| karg.dataInBufPtr = (char __user *)(unsigned long)karg32.dataInBufPtr; |
| karg.dataOutBufPtr = (char __user *)(unsigned long)karg32.dataOutBufPtr; |
| karg.senseDataPtr = (char __user *)(unsigned long)karg32.senseDataPtr; |
| |
| /* Pass new structure to do_mpt_command |
| */ |
| ret = mptctl_do_mpt_command (karg, &uarg->MF); |
| |
| mutex_unlock(&iocp->ioctl_cmds.mutex); |
| |
| return ret; |
| } |
| |
| static long compat_mpctl_ioctl(struct file *f, unsigned int cmd, unsigned long arg) |
| { |
| long ret; |
| mutex_lock(&mpctl_mutex); |
| switch (cmd) { |
| case MPTIOCINFO: |
| case MPTIOCINFO1: |
| case MPTIOCINFO2: |
| case MPTTARGETINFO: |
| case MPTEVENTQUERY: |
| case MPTEVENTENABLE: |
| case MPTEVENTREPORT: |
| case MPTHARDRESET: |
| case HP_GETHOSTINFO: |
| case HP_GETTARGETINFO: |
| case MPTTEST: |
| ret = __mptctl_ioctl(f, cmd, arg); |
| break; |
| case MPTCOMMAND32: |
| ret = compat_mpt_command(f, cmd, arg); |
| break; |
| case MPTFWDOWNLOAD32: |
| ret = compat_mptfwxfer_ioctl(f, cmd, arg); |
| break; |
| default: |
| ret = -ENOIOCTLCMD; |
| break; |
| } |
| mutex_unlock(&mpctl_mutex); |
| return ret; |
| } |
| |
| #endif |
| |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /* |
| * mptctl_probe - Installs ioctl devices per bus. |
| * @pdev: Pointer to pci_dev structure |
| * |
| * Returns 0 for success, non-zero for failure. |
| * |
| */ |
| |
| static int |
| mptctl_probe(struct pci_dev *pdev, const struct pci_device_id *id) |
| { |
| MPT_ADAPTER *ioc = pci_get_drvdata(pdev); |
| |
| mutex_init(&ioc->ioctl_cmds.mutex); |
| init_completion(&ioc->ioctl_cmds.done); |
| return 0; |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /* |
| * mptctl_remove - Removed ioctl devices |
| * @pdev: Pointer to pci_dev structure |
| * |
| * |
| */ |
| static void |
| mptctl_remove(struct pci_dev *pdev) |
| { |
| } |
| |
| static struct mpt_pci_driver mptctl_driver = { |
| .probe = mptctl_probe, |
| .remove = mptctl_remove, |
| }; |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| static int __init mptctl_init(void) |
| { |
| int err; |
| int where = 1; |
| |
| show_mptmod_ver(my_NAME, my_VERSION); |
| |
| mpt_device_driver_register(&mptctl_driver, MPTCTL_DRIVER); |
| |
| /* Register this device */ |
| err = misc_register(&mptctl_miscdev); |
| if (err < 0) { |
| printk(KERN_ERR MYNAM ": Can't register misc device [minor=%d].\n", MPT_MINOR); |
| goto out_fail; |
| } |
| printk(KERN_INFO MYNAM ": Registered with Fusion MPT base driver\n"); |
| printk(KERN_INFO MYNAM ": /dev/%s @ (major,minor=%d,%d)\n", |
| mptctl_miscdev.name, MISC_MAJOR, mptctl_miscdev.minor); |
| |
| /* |
| * Install our handler |
| */ |
| ++where; |
| mptctl_id = mpt_register(mptctl_reply, MPTCTL_DRIVER, |
| "mptctl_reply"); |
| if (!mptctl_id || mptctl_id >= MPT_MAX_PROTOCOL_DRIVERS) { |
| printk(KERN_ERR MYNAM ": ERROR: Failed to register with Fusion MPT base driver\n"); |
| misc_deregister(&mptctl_miscdev); |
| err = -EBUSY; |
| goto out_fail; |
| } |
| |
| mptctl_taskmgmt_id = mpt_register(mptctl_taskmgmt_reply, MPTCTL_DRIVER, |
| "mptctl_taskmgmt_reply"); |
| if (!mptctl_taskmgmt_id || mptctl_taskmgmt_id >= MPT_MAX_PROTOCOL_DRIVERS) { |
| printk(KERN_ERR MYNAM ": ERROR: Failed to register with Fusion MPT base driver\n"); |
| mpt_deregister(mptctl_id); |
| misc_deregister(&mptctl_miscdev); |
| err = -EBUSY; |
| goto out_fail; |
| } |
| |
| mpt_reset_register(mptctl_id, mptctl_ioc_reset); |
| mpt_event_register(mptctl_id, mptctl_event_process); |
| |
| return 0; |
| |
| out_fail: |
| |
| mpt_device_driver_deregister(MPTCTL_DRIVER); |
| |
| return err; |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| static void mptctl_exit(void) |
| { |
| misc_deregister(&mptctl_miscdev); |
| printk(KERN_INFO MYNAM ": Deregistered /dev/%s @ (major,minor=%d,%d)\n", |
| mptctl_miscdev.name, MISC_MAJOR, mptctl_miscdev.minor); |
| |
| /* De-register event handler from base module */ |
| mpt_event_deregister(mptctl_id); |
| |
| /* De-register reset handler from base module */ |
| mpt_reset_deregister(mptctl_id); |
| |
| /* De-register callback handler from base module */ |
| mpt_deregister(mptctl_taskmgmt_id); |
| mpt_deregister(mptctl_id); |
| |
| mpt_device_driver_deregister(MPTCTL_DRIVER); |
| |
| } |
| |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| |
| module_init(mptctl_init); |
| module_exit(mptctl_exit); |
