Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * linux/drivers/message/fusion/mptctl.c |
Moore, Eric Dean | b6fe4dd | 2005-04-22 18:01:34 -0400 | [diff] [blame] | 3 | * mpt Ioctl driver. |
Prakash, Sathya | f36789e | 2007-08-14 16:22:54 +0530 | [diff] [blame] | 4 | * For use with LSI PCI chip/adapters |
| 5 | * running LSI Fusion MPT (Message Passing Technology) firmware. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | * |
Prakash, Sathya | f36789e | 2007-08-14 16:22:54 +0530 | [diff] [blame] | 7 | * Copyright (c) 1999-2007 LSI Corporation |
Eric Moore | 16d2010 | 2007-06-13 16:31:07 -0600 | [diff] [blame] | 8 | * (mailto:DL-MPTFusionLinux@lsi.com) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 9 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | */ |
| 11 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 12 | /* |
| 13 | This program is free software; you can redistribute it and/or modify |
| 14 | it under the terms of the GNU General Public License as published by |
| 15 | the Free Software Foundation; version 2 of the License. |
| 16 | |
| 17 | This program is distributed in the hope that it will be useful, |
| 18 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 19 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 20 | GNU General Public License for more details. |
| 21 | |
| 22 | NO WARRANTY |
| 23 | THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR |
| 24 | CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT |
| 25 | LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, |
| 26 | MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is |
| 27 | solely responsible for determining the appropriateness of using and |
| 28 | distributing the Program and assumes all risks associated with its |
| 29 | exercise of rights under this Agreement, including but not limited to |
| 30 | the risks and costs of program errors, damage to or loss of data, |
| 31 | programs or equipment, and unavailability or interruption of operations. |
| 32 | |
| 33 | DISCLAIMER OF LIABILITY |
| 34 | NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY |
| 35 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 36 | DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND |
| 37 | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR |
| 38 | TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE |
| 39 | USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED |
| 40 | HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES |
| 41 | |
| 42 | You should have received a copy of the GNU General Public License |
| 43 | along with this program; if not, write to the Free Software |
| 44 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 45 | */ |
| 46 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 47 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 48 | #include <linux/kernel.h> |
| 49 | #include <linux/module.h> |
| 50 | #include <linux/errno.h> |
| 51 | #include <linux/init.h> |
| 52 | #include <linux/slab.h> |
| 53 | #include <linux/types.h> |
| 54 | #include <linux/pci.h> |
| 55 | #include <linux/delay.h> /* for mdelay */ |
| 56 | #include <linux/miscdevice.h> |
| 57 | #include <linux/smp_lock.h> |
| 58 | #include <linux/compat.h> |
| 59 | |
| 60 | #include <asm/io.h> |
| 61 | #include <asm/uaccess.h> |
| 62 | |
| 63 | #include <scsi/scsi.h> |
| 64 | #include <scsi/scsi_cmnd.h> |
| 65 | #include <scsi/scsi_device.h> |
| 66 | #include <scsi/scsi_host.h> |
| 67 | #include <scsi/scsi_tcq.h> |
| 68 | |
Prakash, Sathya | f36789e | 2007-08-14 16:22:54 +0530 | [diff] [blame] | 69 | #define COPYRIGHT "Copyright (c) 1999-2007 LSI Corporation" |
| 70 | #define MODULEAUTHOR "LSI Corporation" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | #include "mptbase.h" |
| 72 | #include "mptctl.h" |
| 73 | |
| 74 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 75 | #define my_NAME "Fusion MPT misc device (ioctl) driver" |
| 76 | #define my_VERSION MPT_LINUX_VERSION_COMMON |
| 77 | #define MYNAM "mptctl" |
| 78 | |
| 79 | MODULE_AUTHOR(MODULEAUTHOR); |
| 80 | MODULE_DESCRIPTION(my_NAME); |
| 81 | MODULE_LICENSE("GPL"); |
Eric Moore | 9f4203b | 2007-01-04 20:47:47 -0700 | [diff] [blame] | 82 | MODULE_VERSION(my_VERSION); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 | |
| 84 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 85 | |
Prakash, Sathya | f606f57 | 2007-08-14 16:12:53 +0530 | [diff] [blame] | 86 | static u8 mptctl_id = MPT_MAX_PROTOCOL_DRIVERS; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 87 | |
| 88 | static DECLARE_WAIT_QUEUE_HEAD ( mptctl_wait ); |
| 89 | |
| 90 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 91 | |
| 92 | struct buflist { |
| 93 | u8 *kptr; |
| 94 | int len; |
| 95 | }; |
| 96 | |
| 97 | /* |
| 98 | * Function prototypes. Called from OS entry point mptctl_ioctl. |
| 99 | * arg contents specific to function. |
| 100 | */ |
| 101 | static int mptctl_fw_download(unsigned long arg); |
Moore, Eric Dean | d485eb8 | 2005-05-11 17:37:26 -0600 | [diff] [blame] | 102 | static int mptctl_getiocinfo(unsigned long arg, unsigned int cmd); |
| 103 | static int mptctl_gettargetinfo(unsigned long arg); |
| 104 | static int mptctl_readtest(unsigned long arg); |
| 105 | static int mptctl_mpt_command(unsigned long arg); |
| 106 | static int mptctl_eventquery(unsigned long arg); |
| 107 | static int mptctl_eventenable(unsigned long arg); |
| 108 | static int mptctl_eventreport(unsigned long arg); |
| 109 | static int mptctl_replace_fw(unsigned long arg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 110 | |
| 111 | static int mptctl_do_reset(unsigned long arg); |
| 112 | static int mptctl_hp_hostinfo(unsigned long arg, unsigned int cmd); |
| 113 | static int mptctl_hp_targetinfo(unsigned long arg); |
| 114 | |
| 115 | static int mptctl_probe(struct pci_dev *, const struct pci_device_id *); |
| 116 | static void mptctl_remove(struct pci_dev *); |
| 117 | |
| 118 | #ifdef CONFIG_COMPAT |
| 119 | static long compat_mpctl_ioctl(struct file *f, unsigned cmd, unsigned long arg); |
| 120 | #endif |
| 121 | /* |
| 122 | * Private function calls. |
| 123 | */ |
Moore, Eric Dean | d485eb8 | 2005-05-11 17:37:26 -0600 | [diff] [blame] | 124 | static int mptctl_do_mpt_command(struct mpt_ioctl_command karg, void __user *mfPtr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 125 | static int mptctl_do_fw_download(int ioc, char __user *ufwbuf, size_t fwlen); |
Moore, Eric Dean | d485eb8 | 2005-05-11 17:37:26 -0600 | [diff] [blame] | 126 | static MptSge_t *kbuf_alloc_2_sgl(int bytes, u32 dir, int sge_offset, int *frags, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 127 | struct buflist **blp, dma_addr_t *sglbuf_dma, MPT_ADAPTER *ioc); |
Moore, Eric Dean | d485eb8 | 2005-05-11 17:37:26 -0600 | [diff] [blame] | 128 | static void kfree_sgl(MptSge_t *sgl, dma_addr_t sgl_dma, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 129 | struct buflist *buflist, MPT_ADAPTER *ioc); |
| 130 | static void mptctl_timeout_expired (MPT_IOCTL *ioctl); |
| 131 | static int mptctl_bus_reset(MPT_IOCTL *ioctl); |
| 132 | static int mptctl_set_tm_flags(MPT_SCSI_HOST *hd); |
| 133 | static void mptctl_free_tm_flags(MPT_ADAPTER *ioc); |
| 134 | |
| 135 | /* |
| 136 | * Reset Handler cleanup function |
| 137 | */ |
| 138 | static int mptctl_ioc_reset(MPT_ADAPTER *ioc, int reset_phase); |
| 139 | |
Moore, Eric | ea5a7a8 | 2006-02-02 17:20:01 -0700 | [diff] [blame] | 140 | /* |
| 141 | * Event Handler function |
| 142 | */ |
| 143 | static int mptctl_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply); |
Moore, Eric | c972c70 | 2006-03-14 09:14:06 -0700 | [diff] [blame] | 144 | static struct fasync_struct *async_queue=NULL; |
Moore, Eric | ea5a7a8 | 2006-02-02 17:20:01 -0700 | [diff] [blame] | 145 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 146 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 147 | /* |
| 148 | * Scatter gather list (SGL) sizes and limits... |
| 149 | */ |
| 150 | //#define MAX_SCSI_FRAGS 9 |
| 151 | #define MAX_FRAGS_SPILL1 9 |
| 152 | #define MAX_FRAGS_SPILL2 15 |
| 153 | #define FRAGS_PER_BUCKET (MAX_FRAGS_SPILL2 + 1) |
| 154 | |
| 155 | //#define MAX_CHAIN_FRAGS 64 |
| 156 | //#define MAX_CHAIN_FRAGS (15+15+15+16) |
| 157 | #define MAX_CHAIN_FRAGS (4 * MAX_FRAGS_SPILL2 + 1) |
| 158 | |
| 159 | // Define max sg LIST bytes ( == (#frags + #chains) * 8 bytes each) |
| 160 | // Works out to: 592d bytes! (9+1)*8 + 4*(15+1)*8 |
| 161 | // ^----------------- 80 + 512 |
| 162 | #define MAX_SGL_BYTES ((MAX_FRAGS_SPILL1 + 1 + (4 * FRAGS_PER_BUCKET)) * 8) |
| 163 | |
| 164 | /* linux only seems to ever give 128kB MAX contiguous (GFP_USER) mem bytes */ |
| 165 | #define MAX_KMALLOC_SZ (128*1024) |
| 166 | |
| 167 | #define MPT_IOCTL_DEFAULT_TIMEOUT 10 /* Default timeout value (seconds) */ |
| 168 | |
| 169 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 170 | /** |
| 171 | * mptctl_syscall_down - Down the MPT adapter syscall semaphore. |
| 172 | * @ioc: Pointer to MPT adapter |
| 173 | * @nonblock: boolean, non-zero if O_NONBLOCK is set |
| 174 | * |
| 175 | * All of the ioctl commands can potentially sleep, which is illegal |
| 176 | * with a spinlock held, thus we perform mutual exclusion here. |
| 177 | * |
| 178 | * Returns negative errno on error, or zero for success. |
| 179 | */ |
| 180 | static inline int |
| 181 | mptctl_syscall_down(MPT_ADAPTER *ioc, int nonblock) |
| 182 | { |
| 183 | int rc = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 184 | |
| 185 | if (nonblock) { |
Christoph Hellwig | eeb846c | 2006-01-13 18:27:11 +0100 | [diff] [blame] | 186 | if (!mutex_trylock(&ioc->ioctl->ioctl_mutex)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 187 | rc = -EAGAIN; |
| 188 | } else { |
Christoph Hellwig | eeb846c | 2006-01-13 18:27:11 +0100 | [diff] [blame] | 189 | if (mutex_lock_interruptible(&ioc->ioctl->ioctl_mutex)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 190 | rc = -ERESTARTSYS; |
| 191 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 192 | return rc; |
| 193 | } |
| 194 | |
| 195 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 196 | /* |
| 197 | * This is the callback for any message we have posted. The message itself |
| 198 | * will be returned to the message pool when we return from the IRQ |
| 199 | * |
| 200 | * This runs in irq context so be short and sweet. |
| 201 | */ |
| 202 | static int |
| 203 | mptctl_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply) |
| 204 | { |
| 205 | char *sense_data; |
| 206 | int sz, req_index; |
| 207 | u16 iocStatus; |
| 208 | u8 cmd; |
| 209 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 210 | if (req) |
| 211 | cmd = req->u.hdr.Function; |
| 212 | else |
| 213 | return 1; |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 214 | dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "\tcompleting mpi function (0x%02X), req=%p, " |
| 215 | "reply=%p\n", ioc->name, req->u.hdr.Function, req, reply)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 216 | |
| 217 | if (ioc->ioctl) { |
| 218 | |
| 219 | if (reply==NULL) { |
| 220 | |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 221 | dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_reply() NULL Reply " |
| 222 | "Function=%x!\n", ioc->name, cmd)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 223 | |
| 224 | ioc->ioctl->status |= MPT_IOCTL_STATUS_COMMAND_GOOD; |
| 225 | ioc->ioctl->reset &= ~MPTCTL_RESET_OK; |
| 226 | |
| 227 | /* We are done, issue wake up |
| 228 | */ |
| 229 | ioc->ioctl->wait_done = 1; |
| 230 | wake_up (&mptctl_wait); |
| 231 | return 1; |
| 232 | |
| 233 | } |
| 234 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 235 | /* Copy the reply frame (which much exist |
| 236 | * for non-SCSI I/O) to the IOC structure. |
| 237 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 238 | memcpy(ioc->ioctl->ReplyFrame, reply, |
| 239 | min(ioc->reply_sz, 4*reply->u.reply.MsgLength)); |
| 240 | ioc->ioctl->status |= MPT_IOCTL_STATUS_RF_VALID; |
| 241 | |
| 242 | /* Set the command status to GOOD if IOC Status is GOOD |
| 243 | * OR if SCSI I/O cmd and data underrun or recovered error. |
| 244 | */ |
Christoph Hellwig | 637fa99 | 2005-08-18 16:25:44 +0200 | [diff] [blame] | 245 | iocStatus = le16_to_cpu(reply->u.reply.IOCStatus) & MPI_IOCSTATUS_MASK; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 246 | if (iocStatus == MPI_IOCSTATUS_SUCCESS) |
| 247 | ioc->ioctl->status |= MPT_IOCTL_STATUS_COMMAND_GOOD; |
| 248 | |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 249 | if (iocStatus || reply->u.reply.IOCLogInfo) |
| 250 | dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "\tiocstatus (0x%04X), " |
| 251 | "loginfo (0x%08X)\n", ioc->name, |
| 252 | iocStatus, |
| 253 | le32_to_cpu(reply->u.reply.IOCLogInfo))); |
| 254 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 255 | if ((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) || |
| 256 | (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) { |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 257 | |
| 258 | if (reply->u.sreply.SCSIStatus || reply->u.sreply.SCSIState) |
| 259 | dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
| 260 | "\tscsi_status (0x%02x), scsi_state (0x%02x), " |
| 261 | "tag = (0x%04x), transfer_count (0x%08x)\n", ioc->name, |
| 262 | reply->u.sreply.SCSIStatus, |
| 263 | reply->u.sreply.SCSIState, |
| 264 | le16_to_cpu(reply->u.sreply.TaskTag), |
| 265 | le32_to_cpu(reply->u.sreply.TransferCount))); |
| 266 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 267 | ioc->ioctl->reset &= ~MPTCTL_RESET_OK; |
| 268 | |
| 269 | if ((iocStatus == MPI_IOCSTATUS_SCSI_DATA_UNDERRUN) || |
| 270 | (iocStatus == MPI_IOCSTATUS_SCSI_RECOVERED_ERROR)) { |
| 271 | ioc->ioctl->status |= MPT_IOCTL_STATUS_COMMAND_GOOD; |
| 272 | } |
| 273 | } |
| 274 | |
| 275 | /* Copy the sense data - if present |
| 276 | */ |
| 277 | if ((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) && |
| 278 | (reply->u.sreply.SCSIState & |
| 279 | MPI_SCSI_STATE_AUTOSENSE_VALID)){ |
| 280 | sz = req->u.scsireq.SenseBufferLength; |
| 281 | req_index = |
| 282 | le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx); |
| 283 | sense_data = |
| 284 | ((u8 *)ioc->sense_buf_pool + |
| 285 | (req_index * MPT_SENSE_BUFFER_ALLOC)); |
| 286 | memcpy(ioc->ioctl->sense, sense_data, sz); |
| 287 | ioc->ioctl->status |= MPT_IOCTL_STATUS_SENSE_VALID; |
| 288 | } |
| 289 | |
| 290 | if (cmd == MPI_FUNCTION_SCSI_TASK_MGMT) |
| 291 | mptctl_free_tm_flags(ioc); |
| 292 | |
| 293 | /* We are done, issue wake up |
| 294 | */ |
| 295 | ioc->ioctl->wait_done = 1; |
| 296 | wake_up (&mptctl_wait); |
| 297 | } |
| 298 | return 1; |
| 299 | } |
| 300 | |
| 301 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 302 | /* mptctl_timeout_expired |
| 303 | * |
| 304 | * Expecting an interrupt, however timed out. |
| 305 | * |
| 306 | */ |
| 307 | static void mptctl_timeout_expired (MPT_IOCTL *ioctl) |
| 308 | { |
| 309 | int rc = 1; |
| 310 | |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 311 | dctlprintk(ioctl->ioc, printk(MYIOC_s_DEBUG_FMT ": Timeout Expired! Host %d\n", |
| 312 | ioctl->ioc->name, ioctl->ioc->id)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 313 | if (ioctl == NULL) |
| 314 | return; |
| 315 | |
| 316 | ioctl->wait_done = 0; |
| 317 | if (ioctl->reset & MPTCTL_RESET_OK) |
| 318 | rc = mptctl_bus_reset(ioctl); |
| 319 | |
| 320 | if (rc) { |
| 321 | /* Issue a reset for this device. |
| 322 | * The IOC is not responding. |
| 323 | */ |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 324 | dctlprintk(ioctl->ioc, printk(MYIOC_s_DEBUG_FMT "Calling HardReset! \n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 325 | ioctl->ioc->name)); |
Eric Moore | cd2c619 | 2007-01-29 09:47:47 -0700 | [diff] [blame] | 326 | mpt_HardResetHandler(ioctl->ioc, CAN_SLEEP); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 327 | } |
| 328 | return; |
| 329 | |
| 330 | } |
| 331 | |
| 332 | /* mptctl_bus_reset |
| 333 | * |
| 334 | * Bus reset code. |
| 335 | * |
| 336 | */ |
| 337 | static int mptctl_bus_reset(MPT_IOCTL *ioctl) |
| 338 | { |
| 339 | MPT_FRAME_HDR *mf; |
| 340 | SCSITaskMgmt_t *pScsiTm; |
| 341 | MPT_SCSI_HOST *hd; |
| 342 | int ii; |
Prakash, Sathya | 7a195f4 | 2007-08-14 16:08:40 +0530 | [diff] [blame] | 343 | int retval=0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 344 | |
| 345 | |
| 346 | ioctl->reset &= ~MPTCTL_RESET_OK; |
| 347 | |
| 348 | if (ioctl->ioc->sh == NULL) |
| 349 | return -EPERM; |
| 350 | |
Eric Moore | e7eae9f | 2007-09-29 10:15:59 -0600 | [diff] [blame] | 351 | hd = shost_priv(ioctl->ioc->sh); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 352 | if (hd == NULL) |
| 353 | return -EPERM; |
| 354 | |
| 355 | /* Single threading .... |
| 356 | */ |
| 357 | if (mptctl_set_tm_flags(hd) != 0) |
| 358 | return -EPERM; |
| 359 | |
| 360 | /* Send request |
| 361 | */ |
| 362 | if ((mf = mpt_get_msg_frame(mptctl_id, ioctl->ioc)) == NULL) { |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 363 | dtmprintk(ioctl->ioc, printk(MYIOC_s_DEBUG_FMT "IssueTaskMgmt, no msg frames!!\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 364 | ioctl->ioc->name)); |
| 365 | |
| 366 | mptctl_free_tm_flags(ioctl->ioc); |
| 367 | return -ENOMEM; |
| 368 | } |
| 369 | |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 370 | dtmprintk(ioctl->ioc, printk(MYIOC_s_DEBUG_FMT "IssueTaskMgmt request @ %p\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 371 | ioctl->ioc->name, mf)); |
| 372 | |
| 373 | pScsiTm = (SCSITaskMgmt_t *) mf; |
Eric Moore | 793955f | 2007-01-29 09:42:20 -0700 | [diff] [blame] | 374 | pScsiTm->TargetID = ioctl->id; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 375 | pScsiTm->Bus = hd->port; /* 0 */ |
| 376 | pScsiTm->ChainOffset = 0; |
| 377 | pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT; |
| 378 | pScsiTm->Reserved = 0; |
| 379 | pScsiTm->TaskType = MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS; |
| 380 | pScsiTm->Reserved1 = 0; |
| 381 | pScsiTm->MsgFlags = MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION; |
| 382 | |
| 383 | for (ii= 0; ii < 8; ii++) |
| 384 | pScsiTm->LUN[ii] = 0; |
| 385 | |
| 386 | for (ii=0; ii < 7; ii++) |
| 387 | pScsiTm->Reserved2[ii] = 0; |
| 388 | |
| 389 | pScsiTm->TaskMsgContext = 0; |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 390 | dtmprintk(ioctl->ioc, printk(MYIOC_s_DEBUG_FMT |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 391 | "mptctl_bus_reset: issued.\n", ioctl->ioc->name)); |
| 392 | |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 393 | DBG_DUMP_TM_REQUEST_FRAME(ioctl->ioc, (u32 *)mf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 394 | |
| 395 | ioctl->wait_done=0; |
Prakash, Sathya | 7a195f4 | 2007-08-14 16:08:40 +0530 | [diff] [blame] | 396 | |
| 397 | if ((ioctl->ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) && |
| 398 | (ioctl->ioc->facts.MsgVersion >= MPI_VERSION_01_05)) |
| 399 | mpt_put_msg_frame_hi_pri(mptctl_id, ioctl->ioc, mf); |
| 400 | else { |
| 401 | retval = mpt_send_handshake_request(mptctl_id, ioctl->ioc, |
| 402 | sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP); |
| 403 | if (retval != 0) { |
| 404 | dfailprintk(ioctl->ioc, printk(MYIOC_s_ERR_FMT "_send_handshake FAILED!" |
| 405 | " (hd %p, ioc %p, mf %p) \n", hd->ioc->name, hd, |
| 406 | hd->ioc, mf)); |
| 407 | goto mptctl_bus_reset_done; |
| 408 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 409 | } |
| 410 | |
| 411 | /* Now wait for the command to complete */ |
Moore, Eric | 86a7dca | 2006-02-02 17:19:37 -0700 | [diff] [blame] | 412 | ii = wait_event_timeout(mptctl_wait, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 413 | ioctl->wait_done == 1, |
| 414 | HZ*5 /* 5 second timeout */); |
| 415 | |
| 416 | if(ii <=0 && (ioctl->wait_done != 1 )) { |
Moore, Eric | 86a7dca | 2006-02-02 17:19:37 -0700 | [diff] [blame] | 417 | mpt_free_msg_frame(hd->ioc, mf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 418 | ioctl->wait_done = 0; |
| 419 | retval = -1; /* return failure */ |
| 420 | } |
| 421 | |
| 422 | mptctl_bus_reset_done: |
| 423 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 424 | mptctl_free_tm_flags(ioctl->ioc); |
| 425 | return retval; |
| 426 | } |
| 427 | |
| 428 | static int |
| 429 | mptctl_set_tm_flags(MPT_SCSI_HOST *hd) { |
| 430 | unsigned long flags; |
| 431 | |
| 432 | spin_lock_irqsave(&hd->ioc->FreeQlock, flags); |
| 433 | |
| 434 | if (hd->tmState == TM_STATE_NONE) { |
| 435 | hd->tmState = TM_STATE_IN_PROGRESS; |
| 436 | hd->tmPending = 1; |
| 437 | spin_unlock_irqrestore(&hd->ioc->FreeQlock, flags); |
| 438 | } else { |
| 439 | spin_unlock_irqrestore(&hd->ioc->FreeQlock, flags); |
| 440 | return -EBUSY; |
| 441 | } |
| 442 | |
| 443 | return 0; |
| 444 | } |
| 445 | |
| 446 | static void |
| 447 | mptctl_free_tm_flags(MPT_ADAPTER *ioc) |
| 448 | { |
| 449 | MPT_SCSI_HOST * hd; |
| 450 | unsigned long flags; |
| 451 | |
Eric Moore | e7eae9f | 2007-09-29 10:15:59 -0600 | [diff] [blame] | 452 | hd = shost_priv(ioc->sh); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 453 | if (hd == NULL) |
| 454 | return; |
| 455 | |
| 456 | spin_lock_irqsave(&ioc->FreeQlock, flags); |
| 457 | |
| 458 | hd->tmState = TM_STATE_NONE; |
| 459 | hd->tmPending = 0; |
| 460 | spin_unlock_irqrestore(&ioc->FreeQlock, flags); |
| 461 | |
| 462 | return; |
| 463 | } |
| 464 | |
| 465 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 466 | /* mptctl_ioc_reset |
| 467 | * |
| 468 | * Clean-up functionality. Used only if there has been a |
| 469 | * reload of the FW due. |
| 470 | * |
| 471 | */ |
| 472 | static int |
| 473 | mptctl_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) |
| 474 | { |
| 475 | MPT_IOCTL *ioctl = ioc->ioctl; |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 476 | dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IOC %s_reset routed to IOCTL driver!\n", ioc->name, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 477 | reset_phase==MPT_IOC_SETUP_RESET ? "setup" : ( |
| 478 | reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post"))); |
| 479 | |
| 480 | if(ioctl == NULL) |
| 481 | return 1; |
| 482 | |
| 483 | switch(reset_phase) { |
| 484 | case MPT_IOC_SETUP_RESET: |
| 485 | ioctl->status |= MPT_IOCTL_STATUS_DID_IOCRESET; |
| 486 | break; |
| 487 | case MPT_IOC_POST_RESET: |
| 488 | ioctl->status &= ~MPT_IOCTL_STATUS_DID_IOCRESET; |
| 489 | break; |
| 490 | case MPT_IOC_PRE_RESET: |
| 491 | default: |
| 492 | break; |
| 493 | } |
| 494 | |
| 495 | return 1; |
| 496 | } |
| 497 | |
| 498 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
Moore, Eric | ea5a7a8 | 2006-02-02 17:20:01 -0700 | [diff] [blame] | 499 | /* ASYNC Event Notification Support */ |
| 500 | static int |
| 501 | mptctl_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply) |
| 502 | { |
| 503 | u8 event; |
| 504 | |
| 505 | event = le32_to_cpu(pEvReply->Event) & 0xFF; |
| 506 | |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 507 | dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s() called\n", |
| 508 | ioc->name, __FUNCTION__)); |
Moore, Eric | ea5a7a8 | 2006-02-02 17:20:01 -0700 | [diff] [blame] | 509 | if(async_queue == NULL) |
| 510 | return 1; |
| 511 | |
| 512 | /* Raise SIGIO for persistent events. |
| 513 | * TODO - this define is not in MPI spec yet, |
| 514 | * but they plan to set it to 0x21 |
| 515 | */ |
| 516 | if (event == 0x21 ) { |
| 517 | ioc->aen_event_read_flag=1; |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 518 | dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Raised SIGIO to application\n", |
| 519 | ioc->name)); |
| 520 | devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
| 521 | "Raised SIGIO to application\n", ioc->name)); |
Moore, Eric | ea5a7a8 | 2006-02-02 17:20:01 -0700 | [diff] [blame] | 522 | kill_fasync(&async_queue, SIGIO, POLL_IN); |
| 523 | return 1; |
| 524 | } |
| 525 | |
| 526 | /* This flag is set after SIGIO was raised, and |
| 527 | * remains set until the application has read |
| 528 | * the event log via ioctl=MPTEVENTREPORT |
| 529 | */ |
| 530 | if(ioc->aen_event_read_flag) |
| 531 | return 1; |
| 532 | |
| 533 | /* Signal only for the events that are |
| 534 | * requested for by the application |
| 535 | */ |
| 536 | if (ioc->events && (ioc->eventTypes & ( 1 << event))) { |
| 537 | ioc->aen_event_read_flag=1; |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 538 | dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
| 539 | "Raised SIGIO to application\n", ioc->name)); |
| 540 | devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
| 541 | "Raised SIGIO to application\n", ioc->name)); |
Moore, Eric | ea5a7a8 | 2006-02-02 17:20:01 -0700 | [diff] [blame] | 542 | kill_fasync(&async_queue, SIGIO, POLL_IN); |
| 543 | } |
| 544 | return 1; |
| 545 | } |
| 546 | |
| 547 | static int |
| 548 | mptctl_fasync(int fd, struct file *filep, int mode) |
| 549 | { |
| 550 | MPT_ADAPTER *ioc; |
| 551 | |
| 552 | list_for_each_entry(ioc, &ioc_list, list) |
| 553 | ioc->aen_event_read_flag=0; |
| 554 | |
Moore, Eric | ea5a7a8 | 2006-02-02 17:20:01 -0700 | [diff] [blame] | 555 | return fasync_helper(fd, filep, mode, &async_queue); |
| 556 | } |
| 557 | |
| 558 | static int |
| 559 | mptctl_release(struct inode *inode, struct file *filep) |
| 560 | { |
Moore, Eric | ea5a7a8 | 2006-02-02 17:20:01 -0700 | [diff] [blame] | 561 | return fasync_helper(-1, filep, 0, &async_queue); |
| 562 | } |
| 563 | |
| 564 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 565 | /* |
| 566 | * MPT ioctl handler |
| 567 | * cmd - specify the particular IOCTL command to be issued |
| 568 | * arg - data specific to the command. Must not be null. |
| 569 | */ |
| 570 | static long |
| 571 | __mptctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg) |
| 572 | { |
| 573 | mpt_ioctl_header __user *uhdr = (void __user *) arg; |
| 574 | mpt_ioctl_header khdr; |
| 575 | int iocnum; |
| 576 | unsigned iocnumX; |
| 577 | int nonblock = (file->f_flags & O_NONBLOCK); |
| 578 | int ret; |
| 579 | MPT_ADAPTER *iocp = NULL; |
| 580 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 581 | if (copy_from_user(&khdr, uhdr, sizeof(khdr))) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 582 | printk(KERN_ERR MYNAM "%s::mptctl_ioctl() @%d - " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 583 | "Unable to copy mpt_ioctl_header data @ %p\n", |
| 584 | __FILE__, __LINE__, uhdr); |
| 585 | return -EFAULT; |
| 586 | } |
| 587 | ret = -ENXIO; /* (-6) No such device or address */ |
| 588 | |
| 589 | /* Verify intended MPT adapter - set iocnum and the adapter |
| 590 | * pointer (iocp) |
| 591 | */ |
| 592 | iocnumX = khdr.iocnum & 0xFF; |
| 593 | if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) || |
| 594 | (iocp == NULL)) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 595 | printk(KERN_DEBUG MYNAM "%s::mptctl_ioctl() @%d - ioc%d not found!\n", |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 596 | __FILE__, __LINE__, iocnumX); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 597 | return -ENODEV; |
| 598 | } |
| 599 | |
| 600 | if (!iocp->active) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 601 | printk(KERN_DEBUG MYNAM "%s::mptctl_ioctl() @%d - Controller disabled.\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 602 | __FILE__, __LINE__); |
| 603 | return -EFAULT; |
| 604 | } |
| 605 | |
| 606 | /* Handle those commands that are just returning |
| 607 | * information stored in the driver. |
| 608 | * These commands should never time out and are unaffected |
| 609 | * by TM and FW reloads. |
| 610 | */ |
| 611 | if ((cmd & ~IOCSIZE_MASK) == (MPTIOCINFO & ~IOCSIZE_MASK)) { |
| 612 | return mptctl_getiocinfo(arg, _IOC_SIZE(cmd)); |
| 613 | } else if (cmd == MPTTARGETINFO) { |
| 614 | return mptctl_gettargetinfo(arg); |
| 615 | } else if (cmd == MPTTEST) { |
| 616 | return mptctl_readtest(arg); |
| 617 | } else if (cmd == MPTEVENTQUERY) { |
| 618 | return mptctl_eventquery(arg); |
| 619 | } else if (cmd == MPTEVENTENABLE) { |
| 620 | return mptctl_eventenable(arg); |
| 621 | } else if (cmd == MPTEVENTREPORT) { |
| 622 | return mptctl_eventreport(arg); |
| 623 | } else if (cmd == MPTFWREPLACE) { |
| 624 | return mptctl_replace_fw(arg); |
| 625 | } |
| 626 | |
| 627 | /* All of these commands require an interrupt or |
| 628 | * are unknown/illegal. |
| 629 | */ |
| 630 | if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0) |
| 631 | return ret; |
| 632 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 633 | if (cmd == MPTFWDOWNLOAD) |
| 634 | ret = mptctl_fw_download(arg); |
| 635 | else if (cmd == MPTCOMMAND) |
| 636 | ret = mptctl_mpt_command(arg); |
| 637 | else if (cmd == MPTHARDRESET) |
| 638 | ret = mptctl_do_reset(arg); |
| 639 | else if ((cmd & ~IOCSIZE_MASK) == (HP_GETHOSTINFO & ~IOCSIZE_MASK)) |
| 640 | ret = mptctl_hp_hostinfo(arg, _IOC_SIZE(cmd)); |
| 641 | else if (cmd == HP_GETTARGETINFO) |
| 642 | ret = mptctl_hp_targetinfo(arg); |
| 643 | else |
| 644 | ret = -EINVAL; |
| 645 | |
Christoph Hellwig | eeb846c | 2006-01-13 18:27:11 +0100 | [diff] [blame] | 646 | mutex_unlock(&iocp->ioctl->ioctl_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 647 | |
| 648 | return ret; |
| 649 | } |
| 650 | |
| 651 | static long |
| 652 | mptctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg) |
| 653 | { |
| 654 | long ret; |
| 655 | lock_kernel(); |
| 656 | ret = __mptctl_ioctl(file, cmd, arg); |
| 657 | unlock_kernel(); |
| 658 | return ret; |
| 659 | } |
| 660 | |
| 661 | static int mptctl_do_reset(unsigned long arg) |
| 662 | { |
| 663 | struct mpt_ioctl_diag_reset __user *urinfo = (void __user *) arg; |
| 664 | struct mpt_ioctl_diag_reset krinfo; |
| 665 | MPT_ADAPTER *iocp; |
| 666 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 667 | if (copy_from_user(&krinfo, urinfo, sizeof(struct mpt_ioctl_diag_reset))) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 668 | printk(KERN_ERR MYNAM "%s@%d::mptctl_do_reset - " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 669 | "Unable to copy mpt_ioctl_diag_reset struct @ %p\n", |
| 670 | __FILE__, __LINE__, urinfo); |
| 671 | return -EFAULT; |
| 672 | } |
| 673 | |
| 674 | if (mpt_verify_adapter(krinfo.hdr.iocnum, &iocp) < 0) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 675 | printk(KERN_DEBUG MYNAM "%s@%d::mptctl_do_reset - ioc%d not found!\n", |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 676 | __FILE__, __LINE__, krinfo.hdr.iocnum); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 677 | return -ENODEV; /* (-6) No such device or address */ |
| 678 | } |
| 679 | |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 680 | dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "mptctl_do_reset called.\n", |
| 681 | iocp->name)); |
| 682 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 683 | if (mpt_HardResetHandler(iocp, CAN_SLEEP) != 0) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 684 | printk (MYIOC_s_ERR_FMT "%s@%d::mptctl_do_reset - reset failed.\n", |
| 685 | iocp->name, __FILE__, __LINE__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 686 | return -1; |
| 687 | } |
| 688 | |
| 689 | return 0; |
| 690 | } |
| 691 | |
| 692 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 693 | /* |
| 694 | * MPT FW download function. Cast the arg into the mpt_fw_xfer structure. |
| 695 | * This structure contains: iocnum, firmware length (bytes), |
| 696 | * pointer to user space memory where the fw image is stored. |
| 697 | * |
| 698 | * Outputs: None. |
| 699 | * Return: 0 if successful |
| 700 | * -EFAULT if data unavailable |
| 701 | * -ENXIO if no such device |
| 702 | * -EAGAIN if resource problem |
| 703 | * -ENOMEM if no memory for SGE |
| 704 | * -EMLINK if too many chain buffers required |
| 705 | * -EBADRQC if adapter does not support FW download |
| 706 | * -EBUSY if adapter is busy |
| 707 | * -ENOMSG if FW upload returned bad status |
| 708 | */ |
| 709 | static int |
| 710 | mptctl_fw_download(unsigned long arg) |
| 711 | { |
| 712 | struct mpt_fw_xfer __user *ufwdl = (void __user *) arg; |
| 713 | struct mpt_fw_xfer kfwdl; |
| 714 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 715 | if (copy_from_user(&kfwdl, ufwdl, sizeof(struct mpt_fw_xfer))) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 716 | printk(KERN_ERR MYNAM "%s@%d::_ioctl_fwdl - " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 717 | "Unable to copy mpt_fw_xfer struct @ %p\n", |
| 718 | __FILE__, __LINE__, ufwdl); |
| 719 | return -EFAULT; |
| 720 | } |
| 721 | |
| 722 | return mptctl_do_fw_download(kfwdl.iocnum, kfwdl.bufp, kfwdl.fwlen); |
| 723 | } |
| 724 | |
| 725 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 726 | /* |
| 727 | * FW Download engine. |
| 728 | * Outputs: None. |
| 729 | * Return: 0 if successful |
| 730 | * -EFAULT if data unavailable |
| 731 | * -ENXIO if no such device |
| 732 | * -EAGAIN if resource problem |
| 733 | * -ENOMEM if no memory for SGE |
| 734 | * -EMLINK if too many chain buffers required |
| 735 | * -EBADRQC if adapter does not support FW download |
| 736 | * -EBUSY if adapter is busy |
| 737 | * -ENOMSG if FW upload returned bad status |
| 738 | */ |
| 739 | static int |
| 740 | mptctl_do_fw_download(int ioc, char __user *ufwbuf, size_t fwlen) |
| 741 | { |
| 742 | FWDownload_t *dlmsg; |
| 743 | MPT_FRAME_HDR *mf; |
| 744 | MPT_ADAPTER *iocp; |
| 745 | FWDownloadTCSGE_t *ptsge; |
| 746 | MptSge_t *sgl, *sgIn; |
| 747 | char *sgOut; |
| 748 | struct buflist *buflist; |
| 749 | struct buflist *bl; |
| 750 | dma_addr_t sgl_dma; |
| 751 | int ret; |
| 752 | int numfrags = 0; |
| 753 | int maxfrags; |
| 754 | int n = 0; |
| 755 | u32 sgdir; |
| 756 | u32 nib; |
| 757 | int fw_bytes_copied = 0; |
| 758 | int i; |
| 759 | int sge_offset = 0; |
| 760 | u16 iocstat; |
| 761 | pFWDownloadReply_t ReplyMsg = NULL; |
| 762 | |
Moore, Eric | 946cbf0 | 2006-02-02 17:19:50 -0700 | [diff] [blame] | 763 | if (mpt_verify_adapter(ioc, &iocp) < 0) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 764 | printk(KERN_DEBUG MYNAM "ioctl_fwdl - ioc%d not found!\n", |
| 765 | ioc); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 766 | return -ENODEV; /* (-6) No such device or address */ |
Moore, Eric | 946cbf0 | 2006-02-02 17:19:50 -0700 | [diff] [blame] | 767 | } else { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 768 | |
Moore, Eric | 946cbf0 | 2006-02-02 17:19:50 -0700 | [diff] [blame] | 769 | /* Valid device. Get a message frame and construct the FW download message. |
| 770 | */ |
| 771 | if ((mf = mpt_get_msg_frame(mptctl_id, iocp)) == NULL) |
| 772 | return -EAGAIN; |
| 773 | } |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 774 | |
| 775 | dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT |
| 776 | "mptctl_do_fwdl called. mptctl_id = %xh.\n", iocp->name, mptctl_id)); |
| 777 | dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "DbG: kfwdl.bufp = %p\n", |
| 778 | iocp->name, ufwbuf)); |
| 779 | dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "DbG: kfwdl.fwlen = %d\n", |
| 780 | iocp->name, (int)fwlen)); |
| 781 | dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "DbG: kfwdl.ioc = %04xh\n", |
| 782 | iocp->name, ioc)); |
| 783 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 784 | dlmsg = (FWDownload_t*) mf; |
| 785 | ptsge = (FWDownloadTCSGE_t *) &dlmsg->SGL; |
| 786 | sgOut = (char *) (ptsge + 1); |
| 787 | |
| 788 | /* |
| 789 | * Construct f/w download request |
| 790 | */ |
| 791 | dlmsg->ImageType = MPI_FW_DOWNLOAD_ITYPE_FW; |
| 792 | dlmsg->Reserved = 0; |
| 793 | dlmsg->ChainOffset = 0; |
| 794 | dlmsg->Function = MPI_FUNCTION_FW_DOWNLOAD; |
| 795 | dlmsg->Reserved1[0] = dlmsg->Reserved1[1] = dlmsg->Reserved1[2] = 0; |
Moore, Eric | 946cbf0 | 2006-02-02 17:19:50 -0700 | [diff] [blame] | 796 | if (iocp->facts.MsgVersion >= MPI_VERSION_01_05) |
| 797 | dlmsg->MsgFlags = MPI_FW_DOWNLOAD_MSGFLGS_LAST_SEGMENT; |
| 798 | else |
| 799 | dlmsg->MsgFlags = 0; |
| 800 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 801 | |
| 802 | /* Set up the Transaction SGE. |
| 803 | */ |
| 804 | ptsge->Reserved = 0; |
| 805 | ptsge->ContextSize = 0; |
| 806 | ptsge->DetailsLength = 12; |
| 807 | ptsge->Flags = MPI_SGE_FLAGS_TRANSACTION_ELEMENT; |
| 808 | ptsge->Reserved_0100_Checksum = 0; |
| 809 | ptsge->ImageOffset = 0; |
| 810 | ptsge->ImageSize = cpu_to_le32(fwlen); |
| 811 | |
| 812 | /* Add the SGL |
| 813 | */ |
| 814 | |
| 815 | /* |
| 816 | * Need to kmalloc area(s) for holding firmware image bytes. |
| 817 | * But we need to do it piece meal, using a proper |
| 818 | * scatter gather list (with 128kB MAX hunks). |
| 819 | * |
| 820 | * A practical limit here might be # of sg hunks that fit into |
| 821 | * a single IOC request frame; 12 or 8 (see below), so: |
| 822 | * For FC9xx: 12 x 128kB == 1.5 mB (max) |
| 823 | * For C1030: 8 x 128kB == 1 mB (max) |
| 824 | * We could support chaining, but things get ugly(ier:) |
| 825 | * |
| 826 | * Set the sge_offset to the start of the sgl (bytes). |
| 827 | */ |
| 828 | sgdir = 0x04000000; /* IOC will READ from sys mem */ |
| 829 | sge_offset = sizeof(MPIHeader_t) + sizeof(FWDownloadTCSGE_t); |
| 830 | if ((sgl = kbuf_alloc_2_sgl(fwlen, sgdir, sge_offset, |
| 831 | &numfrags, &buflist, &sgl_dma, iocp)) == NULL) |
| 832 | return -ENOMEM; |
| 833 | |
| 834 | /* |
| 835 | * We should only need SGL with 2 simple_32bit entries (up to 256 kB) |
| 836 | * for FC9xx f/w image, but calculate max number of sge hunks |
| 837 | * we can fit into a request frame, and limit ourselves to that. |
| 838 | * (currently no chain support) |
| 839 | * maxfrags = (Request Size - FWdownload Size ) / Size of 32 bit SGE |
| 840 | * Request maxfrags |
| 841 | * 128 12 |
| 842 | * 96 8 |
| 843 | * 64 4 |
| 844 | */ |
| 845 | maxfrags = (iocp->req_sz - sizeof(MPIHeader_t) - sizeof(FWDownloadTCSGE_t)) |
| 846 | / (sizeof(dma_addr_t) + sizeof(u32)); |
| 847 | if (numfrags > maxfrags) { |
| 848 | ret = -EMLINK; |
| 849 | goto fwdl_out; |
| 850 | } |
| 851 | |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 852 | dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "DbG: sgl buffer = %p, sgfrags = %d\n", |
| 853 | iocp->name, sgl, numfrags)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 854 | |
| 855 | /* |
| 856 | * Parse SG list, copying sgl itself, |
| 857 | * plus f/w image hunks from user space as we go... |
| 858 | */ |
| 859 | ret = -EFAULT; |
| 860 | sgIn = sgl; |
| 861 | bl = buflist; |
| 862 | for (i=0; i < numfrags; i++) { |
| 863 | |
| 864 | /* Get the SGE type: 0 - TCSGE, 3 - Chain, 1 - Simple SGE |
| 865 | * Skip everything but Simple. If simple, copy from |
| 866 | * user space into kernel space. |
| 867 | * Note: we should not have anything but Simple as |
| 868 | * Chain SGE are illegal. |
| 869 | */ |
| 870 | nib = (sgIn->FlagsLength & 0x30000000) >> 28; |
| 871 | if (nib == 0 || nib == 3) { |
| 872 | ; |
| 873 | } else if (sgIn->Address) { |
| 874 | mpt_add_sge(sgOut, sgIn->FlagsLength, sgIn->Address); |
| 875 | n++; |
| 876 | if (copy_from_user(bl->kptr, ufwbuf+fw_bytes_copied, bl->len)) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 877 | printk(MYIOC_s_ERR_FMT "%s@%d::_ioctl_fwdl - " |
| 878 | "Unable to copy f/w buffer hunk#%d @ %p\n", |
| 879 | iocp->name, __FILE__, __LINE__, n, ufwbuf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 880 | goto fwdl_out; |
| 881 | } |
| 882 | fw_bytes_copied += bl->len; |
| 883 | } |
| 884 | sgIn++; |
| 885 | bl++; |
| 886 | sgOut += (sizeof(dma_addr_t) + sizeof(u32)); |
| 887 | } |
| 888 | |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 889 | DBG_DUMP_FW_DOWNLOAD(iocp, (u32 *)mf, numfrags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 890 | |
| 891 | /* |
| 892 | * Finally, perform firmware download. |
| 893 | */ |
Moore, Eric | 946cbf0 | 2006-02-02 17:19:50 -0700 | [diff] [blame] | 894 | ReplyMsg = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 895 | mpt_put_msg_frame(mptctl_id, iocp, mf); |
| 896 | |
| 897 | /* Now wait for the command to complete */ |
Moore, Eric | 86a7dca | 2006-02-02 17:19:37 -0700 | [diff] [blame] | 898 | ret = wait_event_timeout(mptctl_wait, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 899 | iocp->ioctl->wait_done == 1, |
| 900 | HZ*60); |
| 901 | |
| 902 | if(ret <=0 && (iocp->ioctl->wait_done != 1 )) { |
| 903 | /* Now we need to reset the board */ |
| 904 | mptctl_timeout_expired(iocp->ioctl); |
| 905 | ret = -ENODATA; |
| 906 | goto fwdl_out; |
| 907 | } |
| 908 | |
| 909 | if (sgl) |
| 910 | kfree_sgl(sgl, sgl_dma, buflist, iocp); |
| 911 | |
| 912 | ReplyMsg = (pFWDownloadReply_t)iocp->ioctl->ReplyFrame; |
| 913 | iocstat = le16_to_cpu(ReplyMsg->IOCStatus) & MPI_IOCSTATUS_MASK; |
| 914 | if (iocstat == MPI_IOCSTATUS_SUCCESS) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 915 | printk(MYIOC_s_INFO_FMT "F/W update successfull!\n", iocp->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 916 | return 0; |
| 917 | } else if (iocstat == MPI_IOCSTATUS_INVALID_FUNCTION) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 918 | printk(MYIOC_s_WARN_FMT "Hmmm... F/W download not supported!?!\n", |
| 919 | iocp->name); |
| 920 | printk(MYIOC_s_WARN_FMT "(time to go bang on somebodies door)\n", |
| 921 | iocp->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 922 | return -EBADRQC; |
| 923 | } else if (iocstat == MPI_IOCSTATUS_BUSY) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 924 | printk(MYIOC_s_WARN_FMT "IOC_BUSY!\n", iocp->name); |
| 925 | printk(MYIOC_s_WARN_FMT "(try again later?)\n", iocp->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 926 | return -EBUSY; |
| 927 | } else { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 928 | printk(MYIOC_s_WARN_FMT "ioctl_fwdl() returned [bad] status = %04xh\n", |
| 929 | iocp->name, iocstat); |
| 930 | printk(MYIOC_s_WARN_FMT "(bad VooDoo)\n", iocp->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 931 | return -ENOMSG; |
| 932 | } |
| 933 | return 0; |
| 934 | |
| 935 | fwdl_out: |
| 936 | kfree_sgl(sgl, sgl_dma, buflist, iocp); |
| 937 | return ret; |
| 938 | } |
| 939 | |
| 940 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 941 | /* |
| 942 | * SGE Allocation routine |
| 943 | * |
| 944 | * Inputs: bytes - number of bytes to be transferred |
| 945 | * sgdir - data direction |
| 946 | * sge_offset - offset (in bytes) from the start of the request |
| 947 | * frame to the first SGE |
| 948 | * ioc - pointer to the mptadapter |
| 949 | * Outputs: frags - number of scatter gather elements |
| 950 | * blp - point to the buflist pointer |
| 951 | * sglbuf_dma - pointer to the (dma) sgl |
| 952 | * Returns: Null if failes |
| 953 | * pointer to the (virtual) sgl if successful. |
| 954 | */ |
| 955 | static MptSge_t * |
| 956 | kbuf_alloc_2_sgl(int bytes, u32 sgdir, int sge_offset, int *frags, |
| 957 | struct buflist **blp, dma_addr_t *sglbuf_dma, MPT_ADAPTER *ioc) |
| 958 | { |
| 959 | MptSge_t *sglbuf = NULL; /* pointer to array of SGE */ |
| 960 | /* and chain buffers */ |
| 961 | struct buflist *buflist = NULL; /* kernel routine */ |
| 962 | MptSge_t *sgl; |
| 963 | int numfrags = 0; |
| 964 | int fragcnt = 0; |
| 965 | int alloc_sz = min(bytes,MAX_KMALLOC_SZ); // avoid kernel warning msg! |
| 966 | int bytes_allocd = 0; |
| 967 | int this_alloc; |
| 968 | dma_addr_t pa; // phys addr |
| 969 | int i, buflist_ent; |
| 970 | int sg_spill = MAX_FRAGS_SPILL1; |
| 971 | int dir; |
| 972 | /* initialization */ |
| 973 | *frags = 0; |
| 974 | *blp = NULL; |
| 975 | |
| 976 | /* Allocate and initialize an array of kernel |
| 977 | * structures for the SG elements. |
| 978 | */ |
| 979 | i = MAX_SGL_BYTES / 8; |
Mariusz Kozlowski | d7383a2 | 2007-08-10 14:50:50 -0700 | [diff] [blame] | 980 | buflist = kzalloc(i, GFP_USER); |
| 981 | if (!buflist) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 982 | return NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 983 | buflist_ent = 0; |
| 984 | |
| 985 | /* Allocate a single block of memory to store the sg elements and |
| 986 | * the chain buffers. The calling routine is responsible for |
| 987 | * copying the data in this array into the correct place in the |
| 988 | * request and chain buffers. |
| 989 | */ |
| 990 | sglbuf = pci_alloc_consistent(ioc->pcidev, MAX_SGL_BYTES, sglbuf_dma); |
| 991 | if (sglbuf == NULL) |
| 992 | goto free_and_fail; |
| 993 | |
| 994 | if (sgdir & 0x04000000) |
| 995 | dir = PCI_DMA_TODEVICE; |
| 996 | else |
| 997 | dir = PCI_DMA_FROMDEVICE; |
| 998 | |
| 999 | /* At start: |
| 1000 | * sgl = sglbuf = point to beginning of sg buffer |
| 1001 | * buflist_ent = 0 = first kernel structure |
| 1002 | * sg_spill = number of SGE that can be written before the first |
| 1003 | * chain element. |
| 1004 | * |
| 1005 | */ |
| 1006 | sgl = sglbuf; |
| 1007 | sg_spill = ((ioc->req_sz - sge_offset)/(sizeof(dma_addr_t) + sizeof(u32))) - 1; |
| 1008 | while (bytes_allocd < bytes) { |
| 1009 | this_alloc = min(alloc_sz, bytes-bytes_allocd); |
| 1010 | buflist[buflist_ent].len = this_alloc; |
| 1011 | buflist[buflist_ent].kptr = pci_alloc_consistent(ioc->pcidev, |
| 1012 | this_alloc, |
| 1013 | &pa); |
| 1014 | if (buflist[buflist_ent].kptr == NULL) { |
| 1015 | alloc_sz = alloc_sz / 2; |
| 1016 | if (alloc_sz == 0) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1017 | printk(MYIOC_s_WARN_FMT "-SG: No can do - " |
| 1018 | "not enough memory! :-(\n", ioc->name); |
| 1019 | printk(MYIOC_s_WARN_FMT "-SG: (freeing %d frags)\n", |
| 1020 | ioc->name, numfrags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1021 | goto free_and_fail; |
| 1022 | } |
| 1023 | continue; |
| 1024 | } else { |
| 1025 | dma_addr_t dma_addr; |
| 1026 | |
| 1027 | bytes_allocd += this_alloc; |
| 1028 | sgl->FlagsLength = (0x10000000|MPT_SGE_FLAGS_ADDRESSING|sgdir|this_alloc); |
| 1029 | dma_addr = pci_map_single(ioc->pcidev, buflist[buflist_ent].kptr, this_alloc, dir); |
| 1030 | sgl->Address = dma_addr; |
| 1031 | |
| 1032 | fragcnt++; |
| 1033 | numfrags++; |
| 1034 | sgl++; |
| 1035 | buflist_ent++; |
| 1036 | } |
| 1037 | |
| 1038 | if (bytes_allocd >= bytes) |
| 1039 | break; |
| 1040 | |
| 1041 | /* Need to chain? */ |
| 1042 | if (fragcnt == sg_spill) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1043 | printk(MYIOC_s_WARN_FMT |
| 1044 | "-SG: No can do - " "Chain required! :-(\n", ioc->name); |
| 1045 | printk(MYIOC_s_WARN_FMT "(freeing %d frags)\n", ioc->name, numfrags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1046 | goto free_and_fail; |
| 1047 | } |
| 1048 | |
| 1049 | /* overflow check... */ |
| 1050 | if (numfrags*8 > MAX_SGL_BYTES){ |
| 1051 | /* GRRRRR... */ |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1052 | printk(MYIOC_s_WARN_FMT "-SG: No can do - " |
| 1053 | "too many SG frags! :-(\n", ioc->name); |
| 1054 | printk(MYIOC_s_WARN_FMT "-SG: (freeing %d frags)\n", |
| 1055 | ioc->name, numfrags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1056 | goto free_and_fail; |
| 1057 | } |
| 1058 | } |
| 1059 | |
| 1060 | /* Last sge fixup: set LE+eol+eob bits */ |
| 1061 | sgl[-1].FlagsLength |= 0xC1000000; |
| 1062 | |
| 1063 | *frags = numfrags; |
| 1064 | *blp = buflist; |
| 1065 | |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 1066 | dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "-SG: kbuf_alloc_2_sgl() - " |
| 1067 | "%d SG frags generated!\n", ioc->name, numfrags)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1068 | |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 1069 | dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "-SG: kbuf_alloc_2_sgl() - " |
| 1070 | "last (big) alloc_sz=%d\n", ioc->name, alloc_sz)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1071 | |
| 1072 | return sglbuf; |
| 1073 | |
| 1074 | free_and_fail: |
| 1075 | if (sglbuf != NULL) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1076 | for (i = 0; i < numfrags; i++) { |
| 1077 | dma_addr_t dma_addr; |
| 1078 | u8 *kptr; |
| 1079 | int len; |
| 1080 | |
| 1081 | if ((sglbuf[i].FlagsLength >> 24) == 0x30) |
| 1082 | continue; |
| 1083 | |
| 1084 | dma_addr = sglbuf[i].Address; |
| 1085 | kptr = buflist[i].kptr; |
| 1086 | len = buflist[i].len; |
| 1087 | |
| 1088 | pci_free_consistent(ioc->pcidev, len, kptr, dma_addr); |
| 1089 | } |
| 1090 | pci_free_consistent(ioc->pcidev, MAX_SGL_BYTES, sglbuf, *sglbuf_dma); |
| 1091 | } |
| 1092 | kfree(buflist); |
| 1093 | return NULL; |
| 1094 | } |
| 1095 | |
| 1096 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 1097 | /* |
| 1098 | * Routine to free the SGL elements. |
| 1099 | */ |
| 1100 | static void |
| 1101 | kfree_sgl(MptSge_t *sgl, dma_addr_t sgl_dma, struct buflist *buflist, MPT_ADAPTER *ioc) |
| 1102 | { |
| 1103 | MptSge_t *sg = sgl; |
| 1104 | struct buflist *bl = buflist; |
| 1105 | u32 nib; |
| 1106 | int dir; |
| 1107 | int n = 0; |
| 1108 | |
| 1109 | if (sg->FlagsLength & 0x04000000) |
| 1110 | dir = PCI_DMA_TODEVICE; |
| 1111 | else |
| 1112 | dir = PCI_DMA_FROMDEVICE; |
| 1113 | |
| 1114 | nib = (sg->FlagsLength & 0xF0000000) >> 28; |
| 1115 | while (! (nib & 0x4)) { /* eob */ |
| 1116 | /* skip ignore/chain. */ |
| 1117 | if (nib == 0 || nib == 3) { |
| 1118 | ; |
| 1119 | } else if (sg->Address) { |
| 1120 | dma_addr_t dma_addr; |
| 1121 | void *kptr; |
| 1122 | int len; |
| 1123 | |
| 1124 | dma_addr = sg->Address; |
| 1125 | kptr = bl->kptr; |
| 1126 | len = bl->len; |
| 1127 | pci_unmap_single(ioc->pcidev, dma_addr, len, dir); |
| 1128 | pci_free_consistent(ioc->pcidev, len, kptr, dma_addr); |
| 1129 | n++; |
| 1130 | } |
| 1131 | sg++; |
| 1132 | bl++; |
| 1133 | nib = (le32_to_cpu(sg->FlagsLength) & 0xF0000000) >> 28; |
| 1134 | } |
| 1135 | |
| 1136 | /* we're at eob! */ |
| 1137 | if (sg->Address) { |
| 1138 | dma_addr_t dma_addr; |
| 1139 | void *kptr; |
| 1140 | int len; |
| 1141 | |
| 1142 | dma_addr = sg->Address; |
| 1143 | kptr = bl->kptr; |
| 1144 | len = bl->len; |
| 1145 | pci_unmap_single(ioc->pcidev, dma_addr, len, dir); |
| 1146 | pci_free_consistent(ioc->pcidev, len, kptr, dma_addr); |
| 1147 | n++; |
| 1148 | } |
| 1149 | |
| 1150 | pci_free_consistent(ioc->pcidev, MAX_SGL_BYTES, sgl, sgl_dma); |
| 1151 | kfree(buflist); |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 1152 | dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "-SG: Free'd 1 SGL buf + %d kbufs!\n", |
| 1153 | ioc->name, n)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1154 | } |
| 1155 | |
| 1156 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 1157 | /* |
| 1158 | * mptctl_getiocinfo - Query the host adapter for IOC information. |
| 1159 | * @arg: User space argument |
| 1160 | * |
| 1161 | * Outputs: None. |
| 1162 | * Return: 0 if successful |
| 1163 | * -EFAULT if data unavailable |
| 1164 | * -ENODEV if no such device/adapter |
| 1165 | */ |
| 1166 | static int |
| 1167 | mptctl_getiocinfo (unsigned long arg, unsigned int data_size) |
| 1168 | { |
| 1169 | struct mpt_ioctl_iocinfo __user *uarg = (void __user *) arg; |
| 1170 | struct mpt_ioctl_iocinfo *karg; |
| 1171 | MPT_ADAPTER *ioc; |
| 1172 | struct pci_dev *pdev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1173 | int iocnum; |
Moore, Eric Dean | b6fe4dd | 2005-04-22 18:01:34 -0400 | [diff] [blame] | 1174 | unsigned int port; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1175 | int cim_rev; |
| 1176 | u8 revision; |
Eric Moore | 793955f | 2007-01-29 09:42:20 -0700 | [diff] [blame] | 1177 | struct scsi_device *sdev; |
Eric Moore | a69de50 | 2007-09-14 18:48:19 -0600 | [diff] [blame] | 1178 | VirtDevice *vdevice; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1179 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1180 | /* Add of PCI INFO results in unaligned access for |
| 1181 | * IA64 and Sparc. Reset long to int. Return no PCI |
| 1182 | * data for obsolete format. |
| 1183 | */ |
| 1184 | if (data_size == sizeof(struct mpt_ioctl_iocinfo_rev0)) |
| 1185 | cim_rev = 0; |
| 1186 | else if (data_size == sizeof(struct mpt_ioctl_iocinfo_rev1)) |
| 1187 | cim_rev = 1; |
| 1188 | else if (data_size == sizeof(struct mpt_ioctl_iocinfo)) |
| 1189 | cim_rev = 2; |
| 1190 | else if (data_size == (sizeof(struct mpt_ioctl_iocinfo_rev0)+12)) |
| 1191 | cim_rev = 0; /* obsolete */ |
| 1192 | else |
| 1193 | return -EFAULT; |
| 1194 | |
| 1195 | karg = kmalloc(data_size, GFP_KERNEL); |
| 1196 | if (karg == NULL) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1197 | printk(KERN_ERR MYNAM "%s::mpt_ioctl_iocinfo() @%d - no memory available!\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1198 | __FILE__, __LINE__); |
| 1199 | return -ENOMEM; |
| 1200 | } |
| 1201 | |
| 1202 | if (copy_from_user(karg, uarg, data_size)) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1203 | printk(KERN_ERR MYNAM "%s@%d::mptctl_getiocinfo - " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1204 | "Unable to read in mpt_ioctl_iocinfo struct @ %p\n", |
| 1205 | __FILE__, __LINE__, uarg); |
| 1206 | kfree(karg); |
| 1207 | return -EFAULT; |
| 1208 | } |
| 1209 | |
| 1210 | if (((iocnum = mpt_verify_adapter(karg->hdr.iocnum, &ioc)) < 0) || |
| 1211 | (ioc == NULL)) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1212 | printk(KERN_DEBUG MYNAM "%s::mptctl_getiocinfo() @%d - ioc%d not found!\n", |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 1213 | __FILE__, __LINE__, iocnum); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1214 | kfree(karg); |
| 1215 | return -ENODEV; |
| 1216 | } |
| 1217 | |
Moore, Eric Dean | b6fe4dd | 2005-04-22 18:01:34 -0400 | [diff] [blame] | 1218 | /* Verify the data transfer size is correct. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1219 | if (karg->hdr.maxDataSize != data_size) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1220 | printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_getiocinfo - " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1221 | "Structure size mismatch. Command not completed.\n", |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1222 | ioc->name, __FILE__, __LINE__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1223 | kfree(karg); |
| 1224 | return -EFAULT; |
| 1225 | } |
| 1226 | |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 1227 | dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_getiocinfo called.\n", |
| 1228 | ioc->name)); |
| 1229 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1230 | /* Fill in the data and return the structure to the calling |
| 1231 | * program |
| 1232 | */ |
Moore, Eric | 9cc1cfb | 2006-02-02 17:19:33 -0700 | [diff] [blame] | 1233 | if (ioc->bus_type == SAS) |
| 1234 | karg->adapterType = MPT_IOCTL_INTERFACE_SAS; |
| 1235 | else if (ioc->bus_type == FC) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1236 | karg->adapterType = MPT_IOCTL_INTERFACE_FC; |
| 1237 | else |
| 1238 | karg->adapterType = MPT_IOCTL_INTERFACE_SCSI; |
| 1239 | |
Moore, Eric Dean | b6fe4dd | 2005-04-22 18:01:34 -0400 | [diff] [blame] | 1240 | if (karg->hdr.port > 1) |
| 1241 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1242 | port = karg->hdr.port; |
| 1243 | |
| 1244 | karg->port = port; |
| 1245 | pdev = (struct pci_dev *) ioc->pcidev; |
| 1246 | |
| 1247 | karg->pciId = pdev->device; |
| 1248 | pci_read_config_byte(pdev, PCI_CLASS_REVISION, &revision); |
| 1249 | karg->hwRev = revision; |
| 1250 | karg->subSystemDevice = pdev->subsystem_device; |
| 1251 | karg->subSystemVendor = pdev->subsystem_vendor; |
| 1252 | |
| 1253 | if (cim_rev == 1) { |
| 1254 | /* Get the PCI bus, device, and function numbers for the IOC |
| 1255 | */ |
| 1256 | karg->pciInfo.u.bits.busNumber = pdev->bus->number; |
| 1257 | karg->pciInfo.u.bits.deviceNumber = PCI_SLOT( pdev->devfn ); |
| 1258 | karg->pciInfo.u.bits.functionNumber = PCI_FUNC( pdev->devfn ); |
| 1259 | } else if (cim_rev == 2) { |
Moore, Eric | 86a7dca | 2006-02-02 17:19:37 -0700 | [diff] [blame] | 1260 | /* Get the PCI bus, device, function and segment ID numbers |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1261 | for the IOC */ |
| 1262 | karg->pciInfo.u.bits.busNumber = pdev->bus->number; |
| 1263 | karg->pciInfo.u.bits.deviceNumber = PCI_SLOT( pdev->devfn ); |
| 1264 | karg->pciInfo.u.bits.functionNumber = PCI_FUNC( pdev->devfn ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1265 | karg->pciInfo.segmentID = pci_domain_nr(pdev->bus); |
| 1266 | } |
| 1267 | |
| 1268 | /* Get number of devices |
| 1269 | */ |
Eric Moore | 793955f | 2007-01-29 09:42:20 -0700 | [diff] [blame] | 1270 | karg->numDevices = 0; |
| 1271 | if (ioc->sh) { |
| 1272 | shost_for_each_device(sdev, ioc->sh) { |
Eric Moore | a69de50 | 2007-09-14 18:48:19 -0600 | [diff] [blame] | 1273 | vdevice = sdev->hostdata; |
| 1274 | if (vdevice->vtarget->tflags & |
Eric Moore | 793955f | 2007-01-29 09:42:20 -0700 | [diff] [blame] | 1275 | MPT_TARGET_FLAGS_RAID_COMPONENT) |
| 1276 | continue; |
| 1277 | karg->numDevices++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1278 | } |
| 1279 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1280 | |
| 1281 | /* Set the BIOS and FW Version |
| 1282 | */ |
| 1283 | karg->FWVersion = ioc->facts.FWVersion.Word; |
| 1284 | karg->BIOSVersion = ioc->biosVersion; |
| 1285 | |
| 1286 | /* Set the Version Strings. |
| 1287 | */ |
| 1288 | strncpy (karg->driverVersion, MPT_LINUX_PACKAGE_NAME, MPT_IOCTL_VERSION_LENGTH); |
| 1289 | karg->driverVersion[MPT_IOCTL_VERSION_LENGTH-1]='\0'; |
| 1290 | |
| 1291 | karg->busChangeEvent = 0; |
| 1292 | karg->hostId = ioc->pfacts[port].PortSCSIID; |
| 1293 | karg->rsvd[0] = karg->rsvd[1] = 0; |
| 1294 | |
| 1295 | /* Copy the data from kernel memory to user memory |
| 1296 | */ |
| 1297 | if (copy_to_user((char __user *)arg, karg, data_size)) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1298 | printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_getiocinfo - " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1299 | "Unable to write out mpt_ioctl_iocinfo struct @ %p\n", |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1300 | ioc->name, __FILE__, __LINE__, uarg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1301 | kfree(karg); |
| 1302 | return -EFAULT; |
| 1303 | } |
| 1304 | |
| 1305 | kfree(karg); |
| 1306 | return 0; |
| 1307 | } |
| 1308 | |
| 1309 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 1310 | /* |
| 1311 | * mptctl_gettargetinfo - Query the host adapter for target information. |
| 1312 | * @arg: User space argument |
| 1313 | * |
| 1314 | * Outputs: None. |
| 1315 | * Return: 0 if successful |
| 1316 | * -EFAULT if data unavailable |
| 1317 | * -ENODEV if no such device/adapter |
| 1318 | */ |
| 1319 | static int |
| 1320 | mptctl_gettargetinfo (unsigned long arg) |
| 1321 | { |
| 1322 | struct mpt_ioctl_targetinfo __user *uarg = (void __user *) arg; |
| 1323 | struct mpt_ioctl_targetinfo karg; |
| 1324 | MPT_ADAPTER *ioc; |
Eric Moore | a69de50 | 2007-09-14 18:48:19 -0600 | [diff] [blame] | 1325 | VirtDevice *vdevice; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1326 | char *pmem; |
| 1327 | int *pdata; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1328 | int iocnum; |
| 1329 | int numDevices = 0; |
Eric Moore | 793955f | 2007-01-29 09:42:20 -0700 | [diff] [blame] | 1330 | int lun; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1331 | int maxWordsLeft; |
| 1332 | int numBytes; |
Eric Moore | 793955f | 2007-01-29 09:42:20 -0700 | [diff] [blame] | 1333 | u8 port; |
| 1334 | struct scsi_device *sdev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1335 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1336 | if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_targetinfo))) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1337 | printk(KERN_ERR MYNAM "%s@%d::mptctl_gettargetinfo - " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1338 | "Unable to read in mpt_ioctl_targetinfo struct @ %p\n", |
| 1339 | __FILE__, __LINE__, uarg); |
| 1340 | return -EFAULT; |
| 1341 | } |
| 1342 | |
| 1343 | if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || |
| 1344 | (ioc == NULL)) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1345 | printk(KERN_DEBUG MYNAM "%s::mptctl_gettargetinfo() @%d - ioc%d not found!\n", |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 1346 | __FILE__, __LINE__, iocnum); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1347 | return -ENODEV; |
| 1348 | } |
| 1349 | |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 1350 | dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_gettargetinfo called.\n", |
| 1351 | ioc->name)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1352 | /* Get the port number and set the maximum number of bytes |
| 1353 | * in the returned structure. |
| 1354 | * Ignore the port setting. |
| 1355 | */ |
| 1356 | numBytes = karg.hdr.maxDataSize - sizeof(mpt_ioctl_header); |
| 1357 | maxWordsLeft = numBytes/sizeof(int); |
| 1358 | port = karg.hdr.port; |
| 1359 | |
| 1360 | if (maxWordsLeft <= 0) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1361 | printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo() - no memory available!\n", |
| 1362 | ioc->name, __FILE__, __LINE__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1363 | return -ENOMEM; |
| 1364 | } |
| 1365 | |
| 1366 | /* Fill in the data and return the structure to the calling |
| 1367 | * program |
| 1368 | */ |
| 1369 | |
| 1370 | /* struct mpt_ioctl_targetinfo does not contain sufficient space |
| 1371 | * for the target structures so when the IOCTL is called, there is |
| 1372 | * not sufficient stack space for the structure. Allocate memory, |
| 1373 | * populate the memory, copy back to the user, then free memory. |
| 1374 | * targetInfo format: |
| 1375 | * bits 31-24: reserved |
| 1376 | * 23-16: LUN |
| 1377 | * 15- 8: Bus Number |
| 1378 | * 7- 0: Target ID |
| 1379 | */ |
Mariusz Kozlowski | d7383a2 | 2007-08-10 14:50:50 -0700 | [diff] [blame] | 1380 | pmem = kzalloc(numBytes, GFP_KERNEL); |
| 1381 | if (!pmem) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1382 | printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo() - no memory available!\n", |
| 1383 | ioc->name, __FILE__, __LINE__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1384 | return -ENOMEM; |
| 1385 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1386 | pdata = (int *) pmem; |
| 1387 | |
| 1388 | /* Get number of devices |
| 1389 | */ |
Eric Moore | 793955f | 2007-01-29 09:42:20 -0700 | [diff] [blame] | 1390 | if (ioc->sh){ |
| 1391 | shost_for_each_device(sdev, ioc->sh) { |
| 1392 | if (!maxWordsLeft) |
| 1393 | continue; |
Eric Moore | a69de50 | 2007-09-14 18:48:19 -0600 | [diff] [blame] | 1394 | vdevice = sdev->hostdata; |
| 1395 | if (vdevice->vtarget->tflags & |
Eric Moore | 793955f | 2007-01-29 09:42:20 -0700 | [diff] [blame] | 1396 | MPT_TARGET_FLAGS_RAID_COMPONENT) |
| 1397 | continue; |
Eric Moore | a69de50 | 2007-09-14 18:48:19 -0600 | [diff] [blame] | 1398 | lun = (vdevice->vtarget->raidVolume) ? 0x80 : vdevice->lun; |
| 1399 | *pdata = (((u8)lun << 16) + (vdevice->vtarget->channel << 8) + |
| 1400 | (vdevice->vtarget->id )); |
Eric Moore | 793955f | 2007-01-29 09:42:20 -0700 | [diff] [blame] | 1401 | pdata++; |
| 1402 | numDevices++; |
| 1403 | --maxWordsLeft; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1404 | } |
| 1405 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1406 | karg.numDevices = numDevices; |
| 1407 | |
| 1408 | /* Copy part of the data from kernel memory to user memory |
| 1409 | */ |
| 1410 | if (copy_to_user((char __user *)arg, &karg, |
| 1411 | sizeof(struct mpt_ioctl_targetinfo))) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1412 | printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo - " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1413 | "Unable to write out mpt_ioctl_targetinfo struct @ %p\n", |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1414 | ioc->name, __FILE__, __LINE__, uarg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1415 | kfree(pmem); |
| 1416 | return -EFAULT; |
| 1417 | } |
| 1418 | |
| 1419 | /* Copy the remaining data from kernel memory to user memory |
| 1420 | */ |
| 1421 | if (copy_to_user(uarg->targetInfo, pmem, numBytes)) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1422 | printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo - " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1423 | "Unable to write out mpt_ioctl_targetinfo struct @ %p\n", |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1424 | ioc->name, __FILE__, __LINE__, pdata); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1425 | kfree(pmem); |
| 1426 | return -EFAULT; |
| 1427 | } |
| 1428 | |
| 1429 | kfree(pmem); |
| 1430 | |
| 1431 | return 0; |
| 1432 | } |
| 1433 | |
| 1434 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 1435 | /* MPT IOCTL Test function. |
| 1436 | * |
| 1437 | * Outputs: None. |
| 1438 | * Return: 0 if successful |
| 1439 | * -EFAULT if data unavailable |
| 1440 | * -ENODEV if no such device/adapter |
| 1441 | */ |
| 1442 | static int |
| 1443 | mptctl_readtest (unsigned long arg) |
| 1444 | { |
| 1445 | struct mpt_ioctl_test __user *uarg = (void __user *) arg; |
| 1446 | struct mpt_ioctl_test karg; |
| 1447 | MPT_ADAPTER *ioc; |
| 1448 | int iocnum; |
| 1449 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1450 | if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_test))) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1451 | printk(KERN_ERR MYNAM "%s@%d::mptctl_readtest - " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1452 | "Unable to read in mpt_ioctl_test struct @ %p\n", |
| 1453 | __FILE__, __LINE__, uarg); |
| 1454 | return -EFAULT; |
| 1455 | } |
| 1456 | |
| 1457 | if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || |
| 1458 | (ioc == NULL)) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1459 | printk(KERN_DEBUG MYNAM "%s::mptctl_readtest() @%d - ioc%d not found!\n", |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 1460 | __FILE__, __LINE__, iocnum); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1461 | return -ENODEV; |
| 1462 | } |
| 1463 | |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 1464 | dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_readtest called.\n", |
| 1465 | ioc->name)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1466 | /* Fill in the data and return the structure to the calling |
| 1467 | * program |
| 1468 | */ |
| 1469 | |
| 1470 | #ifdef MFCNT |
| 1471 | karg.chip_type = ioc->mfcnt; |
| 1472 | #else |
| 1473 | karg.chip_type = ioc->pcidev->device; |
| 1474 | #endif |
| 1475 | strncpy (karg.name, ioc->name, MPT_MAX_NAME); |
| 1476 | karg.name[MPT_MAX_NAME-1]='\0'; |
| 1477 | strncpy (karg.product, ioc->prod_name, MPT_PRODUCT_LENGTH); |
| 1478 | karg.product[MPT_PRODUCT_LENGTH-1]='\0'; |
| 1479 | |
| 1480 | /* Copy the data from kernel memory to user memory |
| 1481 | */ |
| 1482 | if (copy_to_user((char __user *)arg, &karg, sizeof(struct mpt_ioctl_test))) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1483 | printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_readtest - " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1484 | "Unable to write out mpt_ioctl_test struct @ %p\n", |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1485 | ioc->name, __FILE__, __LINE__, uarg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1486 | return -EFAULT; |
| 1487 | } |
| 1488 | |
| 1489 | return 0; |
| 1490 | } |
| 1491 | |
| 1492 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 1493 | /* |
| 1494 | * mptctl_eventquery - Query the host adapter for the event types |
| 1495 | * that are being logged. |
| 1496 | * @arg: User space argument |
| 1497 | * |
| 1498 | * Outputs: None. |
| 1499 | * Return: 0 if successful |
| 1500 | * -EFAULT if data unavailable |
| 1501 | * -ENODEV if no such device/adapter |
| 1502 | */ |
| 1503 | static int |
| 1504 | mptctl_eventquery (unsigned long arg) |
| 1505 | { |
| 1506 | struct mpt_ioctl_eventquery __user *uarg = (void __user *) arg; |
| 1507 | struct mpt_ioctl_eventquery karg; |
| 1508 | MPT_ADAPTER *ioc; |
| 1509 | int iocnum; |
| 1510 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1511 | if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventquery))) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1512 | printk(KERN_ERR MYNAM "%s@%d::mptctl_eventquery - " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1513 | "Unable to read in mpt_ioctl_eventquery struct @ %p\n", |
| 1514 | __FILE__, __LINE__, uarg); |
| 1515 | return -EFAULT; |
| 1516 | } |
| 1517 | |
| 1518 | if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || |
| 1519 | (ioc == NULL)) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1520 | printk(KERN_DEBUG MYNAM "%s::mptctl_eventquery() @%d - ioc%d not found!\n", |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 1521 | __FILE__, __LINE__, iocnum); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1522 | return -ENODEV; |
| 1523 | } |
| 1524 | |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 1525 | dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_eventquery called.\n", |
| 1526 | ioc->name)); |
Moore, Eric | 5b5ef4f | 2006-02-02 17:19:40 -0700 | [diff] [blame] | 1527 | karg.eventEntries = MPTCTL_EVENT_LOG_SIZE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1528 | karg.eventTypes = ioc->eventTypes; |
| 1529 | |
| 1530 | /* Copy the data from kernel memory to user memory |
| 1531 | */ |
| 1532 | if (copy_to_user((char __user *)arg, &karg, sizeof(struct mpt_ioctl_eventquery))) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1533 | printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_eventquery - " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1534 | "Unable to write out mpt_ioctl_eventquery struct @ %p\n", |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1535 | ioc->name, __FILE__, __LINE__, uarg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1536 | return -EFAULT; |
| 1537 | } |
| 1538 | return 0; |
| 1539 | } |
| 1540 | |
| 1541 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 1542 | static int |
| 1543 | mptctl_eventenable (unsigned long arg) |
| 1544 | { |
| 1545 | struct mpt_ioctl_eventenable __user *uarg = (void __user *) arg; |
| 1546 | struct mpt_ioctl_eventenable karg; |
| 1547 | MPT_ADAPTER *ioc; |
| 1548 | int iocnum; |
| 1549 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1550 | if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventenable))) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1551 | printk(KERN_ERR MYNAM "%s@%d::mptctl_eventenable - " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1552 | "Unable to read in mpt_ioctl_eventenable struct @ %p\n", |
| 1553 | __FILE__, __LINE__, uarg); |
| 1554 | return -EFAULT; |
| 1555 | } |
| 1556 | |
| 1557 | if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || |
| 1558 | (ioc == NULL)) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1559 | printk(KERN_DEBUG MYNAM "%s::mptctl_eventenable() @%d - ioc%d not found!\n", |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 1560 | __FILE__, __LINE__, iocnum); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1561 | return -ENODEV; |
| 1562 | } |
| 1563 | |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 1564 | dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_eventenable called.\n", |
| 1565 | ioc->name)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1566 | if (ioc->events == NULL) { |
| 1567 | /* Have not yet allocated memory - do so now. |
| 1568 | */ |
| 1569 | int sz = MPTCTL_EVENT_LOG_SIZE * sizeof(MPT_IOCTL_EVENTS); |
Mariusz Kozlowski | d7383a2 | 2007-08-10 14:50:50 -0700 | [diff] [blame] | 1570 | ioc->events = kzalloc(sz, GFP_KERNEL); |
| 1571 | if (!ioc->events) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1572 | printk(MYIOC_s_ERR_FMT |
| 1573 | ": ERROR - Insufficient memory to add adapter!\n", |
| 1574 | ioc->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1575 | return -ENOMEM; |
| 1576 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1577 | ioc->alloc_total += sz; |
| 1578 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1579 | ioc->eventContext = 0; |
| 1580 | } |
| 1581 | |
| 1582 | /* Update the IOC event logging flag. |
| 1583 | */ |
| 1584 | ioc->eventTypes = karg.eventTypes; |
| 1585 | |
| 1586 | return 0; |
| 1587 | } |
| 1588 | |
| 1589 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 1590 | static int |
| 1591 | mptctl_eventreport (unsigned long arg) |
| 1592 | { |
| 1593 | struct mpt_ioctl_eventreport __user *uarg = (void __user *) arg; |
| 1594 | struct mpt_ioctl_eventreport karg; |
| 1595 | MPT_ADAPTER *ioc; |
| 1596 | int iocnum; |
| 1597 | int numBytes, maxEvents, max; |
| 1598 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1599 | if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventreport))) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1600 | printk(KERN_ERR MYNAM "%s@%d::mptctl_eventreport - " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1601 | "Unable to read in mpt_ioctl_eventreport struct @ %p\n", |
| 1602 | __FILE__, __LINE__, uarg); |
| 1603 | return -EFAULT; |
| 1604 | } |
| 1605 | |
| 1606 | if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || |
| 1607 | (ioc == NULL)) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1608 | printk(KERN_DEBUG MYNAM "%s::mptctl_eventreport() @%d - ioc%d not found!\n", |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 1609 | __FILE__, __LINE__, iocnum); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1610 | return -ENODEV; |
| 1611 | } |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 1612 | dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_eventreport called.\n", |
| 1613 | ioc->name)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1614 | |
| 1615 | numBytes = karg.hdr.maxDataSize - sizeof(mpt_ioctl_header); |
| 1616 | maxEvents = numBytes/sizeof(MPT_IOCTL_EVENTS); |
| 1617 | |
| 1618 | |
Moore, Eric | 5b5ef4f | 2006-02-02 17:19:40 -0700 | [diff] [blame] | 1619 | max = MPTCTL_EVENT_LOG_SIZE < maxEvents ? MPTCTL_EVENT_LOG_SIZE : maxEvents; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1620 | |
| 1621 | /* If fewer than 1 event is requested, there must have |
| 1622 | * been some type of error. |
| 1623 | */ |
| 1624 | if ((max < 1) || !ioc->events) |
| 1625 | return -ENODATA; |
| 1626 | |
Moore, Eric | ea5a7a8 | 2006-02-02 17:20:01 -0700 | [diff] [blame] | 1627 | /* reset this flag so SIGIO can restart */ |
| 1628 | ioc->aen_event_read_flag=0; |
| 1629 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1630 | /* Copy the data from kernel memory to user memory |
| 1631 | */ |
| 1632 | numBytes = max * sizeof(MPT_IOCTL_EVENTS); |
| 1633 | if (copy_to_user(uarg->eventData, ioc->events, numBytes)) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1634 | printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_eventreport - " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1635 | "Unable to write out mpt_ioctl_eventreport struct @ %p\n", |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1636 | ioc->name, __FILE__, __LINE__, ioc->events); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1637 | return -EFAULT; |
| 1638 | } |
| 1639 | |
| 1640 | return 0; |
| 1641 | } |
| 1642 | |
| 1643 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 1644 | static int |
| 1645 | mptctl_replace_fw (unsigned long arg) |
| 1646 | { |
| 1647 | struct mpt_ioctl_replace_fw __user *uarg = (void __user *) arg; |
| 1648 | struct mpt_ioctl_replace_fw karg; |
| 1649 | MPT_ADAPTER *ioc; |
| 1650 | int iocnum; |
| 1651 | int newFwSize; |
| 1652 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1653 | if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_replace_fw))) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1654 | printk(KERN_ERR MYNAM "%s@%d::mptctl_replace_fw - " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1655 | "Unable to read in mpt_ioctl_replace_fw struct @ %p\n", |
| 1656 | __FILE__, __LINE__, uarg); |
| 1657 | return -EFAULT; |
| 1658 | } |
| 1659 | |
| 1660 | if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || |
| 1661 | (ioc == NULL)) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1662 | printk(KERN_DEBUG MYNAM "%s::mptctl_replace_fw() @%d - ioc%d not found!\n", |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 1663 | __FILE__, __LINE__, iocnum); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1664 | return -ENODEV; |
| 1665 | } |
| 1666 | |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 1667 | dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_replace_fw called.\n", |
| 1668 | ioc->name)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1669 | /* If caching FW, Free the old FW image |
| 1670 | */ |
| 1671 | if (ioc->cached_fw == NULL) |
| 1672 | return 0; |
| 1673 | |
| 1674 | mpt_free_fw_memory(ioc); |
| 1675 | |
| 1676 | /* Allocate memory for the new FW image |
| 1677 | */ |
| 1678 | newFwSize = karg.newImageSize; |
| 1679 | |
| 1680 | if (newFwSize & 0x01) |
| 1681 | newFwSize += 1; |
| 1682 | if (newFwSize & 0x02) |
| 1683 | newFwSize += 2; |
| 1684 | |
| 1685 | mpt_alloc_fw_memory(ioc, newFwSize); |
| 1686 | if (ioc->cached_fw == NULL) |
| 1687 | return -ENOMEM; |
| 1688 | |
| 1689 | /* Copy the data from user memory to kernel space |
| 1690 | */ |
| 1691 | if (copy_from_user(ioc->cached_fw, uarg->newImage, newFwSize)) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1692 | printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_replace_fw - " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1693 | "Unable to read in mpt_ioctl_replace_fw image " |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1694 | "@ %p\n", ioc->name, __FILE__, __LINE__, uarg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1695 | mpt_free_fw_memory(ioc); |
| 1696 | return -EFAULT; |
| 1697 | } |
| 1698 | |
| 1699 | /* Update IOCFactsReply |
| 1700 | */ |
| 1701 | ioc->facts.FWImageSize = newFwSize; |
| 1702 | return 0; |
| 1703 | } |
| 1704 | |
| 1705 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 1706 | /* MPT IOCTL MPTCOMMAND function. |
| 1707 | * Cast the arg into the mpt_ioctl_mpt_command structure. |
| 1708 | * |
| 1709 | * Outputs: None. |
| 1710 | * Return: 0 if successful |
Joe Perches | fc1323b | 2008-02-03 17:21:01 +0200 | [diff] [blame] | 1711 | * -EBUSY if previous command timeout and IOC reset is not complete. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1712 | * -EFAULT if data unavailable |
| 1713 | * -ENODEV if no such device/adapter |
| 1714 | * -ETIME if timer expires |
| 1715 | * -ENOMEM if memory allocation error |
| 1716 | */ |
| 1717 | static int |
| 1718 | mptctl_mpt_command (unsigned long arg) |
| 1719 | { |
| 1720 | struct mpt_ioctl_command __user *uarg = (void __user *) arg; |
| 1721 | struct mpt_ioctl_command karg; |
| 1722 | MPT_ADAPTER *ioc; |
| 1723 | int iocnum; |
| 1724 | int rc; |
| 1725 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1726 | |
| 1727 | if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_command))) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1728 | printk(KERN_ERR MYNAM "%s@%d::mptctl_mpt_command - " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1729 | "Unable to read in mpt_ioctl_command struct @ %p\n", |
| 1730 | __FILE__, __LINE__, uarg); |
| 1731 | return -EFAULT; |
| 1732 | } |
| 1733 | |
| 1734 | if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || |
| 1735 | (ioc == NULL)) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1736 | printk(KERN_DEBUG MYNAM "%s::mptctl_mpt_command() @%d - ioc%d not found!\n", |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 1737 | __FILE__, __LINE__, iocnum); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1738 | return -ENODEV; |
| 1739 | } |
| 1740 | |
| 1741 | rc = mptctl_do_mpt_command (karg, &uarg->MF); |
| 1742 | |
| 1743 | return rc; |
| 1744 | } |
| 1745 | |
| 1746 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 1747 | /* Worker routine for the IOCTL MPTCOMMAND and MPTCOMMAND32 (sparc) commands. |
| 1748 | * |
| 1749 | * Outputs: None. |
| 1750 | * Return: 0 if successful |
Joe Perches | fc1323b | 2008-02-03 17:21:01 +0200 | [diff] [blame] | 1751 | * -EBUSY if previous command timeout and IOC reset is not complete. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1752 | * -EFAULT if data unavailable |
| 1753 | * -ENODEV if no such device/adapter |
| 1754 | * -ETIME if timer expires |
| 1755 | * -ENOMEM if memory allocation error |
| 1756 | * -EPERM if SCSI I/O and target is untagged |
| 1757 | */ |
| 1758 | static int |
| 1759 | mptctl_do_mpt_command (struct mpt_ioctl_command karg, void __user *mfPtr) |
| 1760 | { |
| 1761 | MPT_ADAPTER *ioc; |
| 1762 | MPT_FRAME_HDR *mf = NULL; |
| 1763 | MPIHeader_t *hdr; |
| 1764 | char *psge; |
| 1765 | struct buflist bufIn; /* data In buffer */ |
| 1766 | struct buflist bufOut; /* data Out buffer */ |
| 1767 | dma_addr_t dma_addr_in; |
| 1768 | dma_addr_t dma_addr_out; |
| 1769 | int sgSize = 0; /* Num SG elements */ |
| 1770 | int iocnum, flagsLength; |
| 1771 | int sz, rc = 0; |
| 1772 | int msgContext; |
| 1773 | u16 req_idx; |
| 1774 | ulong timeout; |
Eric Moore | 793955f | 2007-01-29 09:42:20 -0700 | [diff] [blame] | 1775 | struct scsi_device *sdev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1776 | |
Eric Moore | ab37128 | 2007-09-29 10:22:54 -0600 | [diff] [blame] | 1777 | /* bufIn and bufOut are used for user to kernel space transfers |
| 1778 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1779 | bufIn.kptr = bufOut.kptr = NULL; |
Eric Moore | ab37128 | 2007-09-29 10:22:54 -0600 | [diff] [blame] | 1780 | bufIn.len = bufOut.len = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1781 | |
| 1782 | if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || |
| 1783 | (ioc == NULL)) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1784 | printk(KERN_DEBUG MYNAM "%s::mptctl_do_mpt_command() @%d - ioc%d not found!\n", |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 1785 | __FILE__, __LINE__, iocnum); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1786 | return -ENODEV; |
| 1787 | } |
| 1788 | if (!ioc->ioctl) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1789 | printk(KERN_ERR MYNAM "%s@%d::mptctl_do_mpt_command - " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1790 | "No memory available during driver init.\n", |
| 1791 | __FILE__, __LINE__); |
| 1792 | return -ENOMEM; |
| 1793 | } else if (ioc->ioctl->status & MPT_IOCTL_STATUS_DID_IOCRESET) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1794 | printk(KERN_ERR MYNAM "%s@%d::mptctl_do_mpt_command - " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1795 | "Busy with IOC Reset \n", __FILE__, __LINE__); |
| 1796 | return -EBUSY; |
| 1797 | } |
| 1798 | |
| 1799 | /* Verify that the final request frame will not be too large. |
| 1800 | */ |
| 1801 | sz = karg.dataSgeOffset * 4; |
| 1802 | if (karg.dataInSize > 0) |
| 1803 | sz += sizeof(dma_addr_t) + sizeof(u32); |
| 1804 | if (karg.dataOutSize > 0) |
| 1805 | sz += sizeof(dma_addr_t) + sizeof(u32); |
| 1806 | |
| 1807 | if (sz > ioc->req_sz) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1808 | printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1809 | "Request frame too large (%d) maximum (%d)\n", |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1810 | ioc->name, __FILE__, __LINE__, sz, ioc->req_sz); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1811 | return -EFAULT; |
| 1812 | } |
| 1813 | |
| 1814 | /* Get a free request frame and save the message context. |
| 1815 | */ |
| 1816 | if ((mf = mpt_get_msg_frame(mptctl_id, ioc)) == NULL) |
| 1817 | return -EAGAIN; |
| 1818 | |
| 1819 | hdr = (MPIHeader_t *) mf; |
| 1820 | msgContext = le32_to_cpu(hdr->MsgContext); |
| 1821 | req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); |
| 1822 | |
| 1823 | /* Copy the request frame |
| 1824 | * Reset the saved message context. |
| 1825 | * Request frame in user space |
| 1826 | */ |
| 1827 | if (copy_from_user(mf, mfPtr, karg.dataSgeOffset * 4)) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1828 | printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1829 | "Unable to read MF from mpt_ioctl_command struct @ %p\n", |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1830 | ioc->name, __FILE__, __LINE__, mfPtr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1831 | rc = -EFAULT; |
| 1832 | goto done_free_mem; |
| 1833 | } |
| 1834 | hdr->MsgContext = cpu_to_le32(msgContext); |
| 1835 | |
| 1836 | |
| 1837 | /* Verify that this request is allowed. |
| 1838 | */ |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 1839 | dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "sending mpi function (0x%02X), req=%p\n", |
| 1840 | ioc->name, hdr->Function, mf)); |
| 1841 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1842 | switch (hdr->Function) { |
| 1843 | case MPI_FUNCTION_IOC_FACTS: |
| 1844 | case MPI_FUNCTION_PORT_FACTS: |
| 1845 | karg.dataOutSize = karg.dataInSize = 0; |
| 1846 | break; |
| 1847 | |
| 1848 | case MPI_FUNCTION_CONFIG: |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 1849 | { |
| 1850 | Config_t *config_frame; |
| 1851 | config_frame = (Config_t *)mf; |
| 1852 | dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "\ttype=0x%02x ext_type=0x%02x " |
| 1853 | "number=0x%02x action=0x%02x\n", ioc->name, |
| 1854 | config_frame->Header.PageType, |
| 1855 | config_frame->ExtPageType, |
| 1856 | config_frame->Header.PageNumber, |
| 1857 | config_frame->Action)); |
| 1858 | break; |
| 1859 | } |
| 1860 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1861 | case MPI_FUNCTION_FC_COMMON_TRANSPORT_SEND: |
| 1862 | case MPI_FUNCTION_FC_EX_LINK_SRVC_SEND: |
| 1863 | case MPI_FUNCTION_FW_UPLOAD: |
| 1864 | case MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR: |
| 1865 | case MPI_FUNCTION_FW_DOWNLOAD: |
| 1866 | case MPI_FUNCTION_FC_PRIMITIVE_SEND: |
Moore, Eric | 096f7a2 | 2006-02-02 17:19:30 -0700 | [diff] [blame] | 1867 | case MPI_FUNCTION_TOOLBOX: |
| 1868 | case MPI_FUNCTION_SAS_IO_UNIT_CONTROL: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1869 | break; |
| 1870 | |
| 1871 | case MPI_FUNCTION_SCSI_IO_REQUEST: |
| 1872 | if (ioc->sh) { |
| 1873 | SCSIIORequest_t *pScsiReq = (SCSIIORequest_t *) mf; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1874 | int qtag = MPI_SCSIIO_CONTROL_UNTAGGED; |
| 1875 | int scsidir = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1876 | int dataSize; |
Eric Moore | 793955f | 2007-01-29 09:42:20 -0700 | [diff] [blame] | 1877 | u32 id; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1878 | |
Eric Moore | 793955f | 2007-01-29 09:42:20 -0700 | [diff] [blame] | 1879 | id = (ioc->devices_per_bus == 0) ? 256 : ioc->devices_per_bus; |
| 1880 | if (pScsiReq->TargetID > id) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1881 | printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1882 | "Target ID out of bounds. \n", |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1883 | ioc->name, __FILE__, __LINE__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1884 | rc = -ENODEV; |
| 1885 | goto done_free_mem; |
| 1886 | } |
| 1887 | |
Eric Moore | 793955f | 2007-01-29 09:42:20 -0700 | [diff] [blame] | 1888 | if (pScsiReq->Bus >= ioc->number_of_buses) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1889 | printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " |
Eric Moore | 793955f | 2007-01-29 09:42:20 -0700 | [diff] [blame] | 1890 | "Target Bus out of bounds. \n", |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1891 | ioc->name, __FILE__, __LINE__); |
Eric Moore | 793955f | 2007-01-29 09:42:20 -0700 | [diff] [blame] | 1892 | rc = -ENODEV; |
| 1893 | goto done_free_mem; |
| 1894 | } |
| 1895 | |
Moore, Eric | 5f07e24 | 2006-02-02 17:19:44 -0700 | [diff] [blame] | 1896 | pScsiReq->MsgFlags &= ~MPI_SCSIIO_MSGFLGS_SENSE_WIDTH; |
| 1897 | pScsiReq->MsgFlags |= mpt_msg_flags(); |
| 1898 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1899 | |
| 1900 | /* verify that app has not requested |
| 1901 | * more sense data than driver |
| 1902 | * can provide, if so, reset this parameter |
| 1903 | * set the sense buffer pointer low address |
| 1904 | * update the control field to specify Q type |
| 1905 | */ |
| 1906 | if (karg.maxSenseBytes > MPT_SENSE_BUFFER_SIZE) |
| 1907 | pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE; |
| 1908 | else |
| 1909 | pScsiReq->SenseBufferLength = karg.maxSenseBytes; |
| 1910 | |
| 1911 | pScsiReq->SenseBufferLowAddr = |
| 1912 | cpu_to_le32(ioc->sense_buf_low_dma |
| 1913 | + (req_idx * MPT_SENSE_BUFFER_ALLOC)); |
| 1914 | |
Eric Moore | 793955f | 2007-01-29 09:42:20 -0700 | [diff] [blame] | 1915 | shost_for_each_device(sdev, ioc->sh) { |
| 1916 | struct scsi_target *starget = scsi_target(sdev); |
| 1917 | VirtTarget *vtarget = starget->hostdata; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1918 | |
Eric Moore | 793955f | 2007-01-29 09:42:20 -0700 | [diff] [blame] | 1919 | if ((pScsiReq->TargetID == vtarget->id) && |
| 1920 | (pScsiReq->Bus == vtarget->channel) && |
| 1921 | (vtarget->tflags & MPT_TARGET_FLAGS_Q_YES)) |
| 1922 | qtag = MPI_SCSIIO_CONTROL_SIMPLEQ; |
| 1923 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1924 | |
| 1925 | /* Have the IOCTL driver set the direction based |
| 1926 | * on the dataOutSize (ordering issue with Sparc). |
| 1927 | */ |
| 1928 | if (karg.dataOutSize > 0) { |
| 1929 | scsidir = MPI_SCSIIO_CONTROL_WRITE; |
| 1930 | dataSize = karg.dataOutSize; |
| 1931 | } else { |
| 1932 | scsidir = MPI_SCSIIO_CONTROL_READ; |
| 1933 | dataSize = karg.dataInSize; |
| 1934 | } |
| 1935 | |
| 1936 | pScsiReq->Control = cpu_to_le32(scsidir | qtag); |
| 1937 | pScsiReq->DataLength = cpu_to_le32(dataSize); |
| 1938 | |
| 1939 | ioc->ioctl->reset = MPTCTL_RESET_OK; |
Eric Moore | 793955f | 2007-01-29 09:42:20 -0700 | [diff] [blame] | 1940 | ioc->ioctl->id = pScsiReq->TargetID; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1941 | |
| 1942 | } else { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1943 | printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1944 | "SCSI driver is not loaded. \n", |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1945 | ioc->name, __FILE__, __LINE__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1946 | rc = -EFAULT; |
| 1947 | goto done_free_mem; |
| 1948 | } |
| 1949 | break; |
| 1950 | |
Moore, Eric | 096f7a2 | 2006-02-02 17:19:30 -0700 | [diff] [blame] | 1951 | case MPI_FUNCTION_SMP_PASSTHROUGH: |
| 1952 | /* Check mf->PassthruFlags to determine if |
| 1953 | * transfer is ImmediateMode or not. |
| 1954 | * Immediate mode returns data in the ReplyFrame. |
| 1955 | * Else, we are sending request and response data |
| 1956 | * in two SGLs at the end of the mf. |
| 1957 | */ |
| 1958 | break; |
| 1959 | |
| 1960 | case MPI_FUNCTION_SATA_PASSTHROUGH: |
| 1961 | if (!ioc->sh) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1962 | printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " |
Moore, Eric | 096f7a2 | 2006-02-02 17:19:30 -0700 | [diff] [blame] | 1963 | "SCSI driver is not loaded. \n", |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 1964 | ioc->name, __FILE__, __LINE__); |
Moore, Eric | 096f7a2 | 2006-02-02 17:19:30 -0700 | [diff] [blame] | 1965 | rc = -EFAULT; |
| 1966 | goto done_free_mem; |
| 1967 | } |
| 1968 | break; |
| 1969 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1970 | case MPI_FUNCTION_RAID_ACTION: |
| 1971 | /* Just add a SGE |
| 1972 | */ |
| 1973 | break; |
| 1974 | |
| 1975 | case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: |
| 1976 | if (ioc->sh) { |
| 1977 | SCSIIORequest_t *pScsiReq = (SCSIIORequest_t *) mf; |
| 1978 | int qtag = MPI_SCSIIO_CONTROL_SIMPLEQ; |
| 1979 | int scsidir = MPI_SCSIIO_CONTROL_READ; |
| 1980 | int dataSize; |
| 1981 | |
Moore, Eric | 5f07e24 | 2006-02-02 17:19:44 -0700 | [diff] [blame] | 1982 | pScsiReq->MsgFlags &= ~MPI_SCSIIO_MSGFLGS_SENSE_WIDTH; |
| 1983 | pScsiReq->MsgFlags |= mpt_msg_flags(); |
| 1984 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1985 | |
| 1986 | /* verify that app has not requested |
| 1987 | * more sense data than driver |
| 1988 | * can provide, if so, reset this parameter |
| 1989 | * set the sense buffer pointer low address |
| 1990 | * update the control field to specify Q type |
| 1991 | */ |
| 1992 | if (karg.maxSenseBytes > MPT_SENSE_BUFFER_SIZE) |
| 1993 | pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE; |
| 1994 | else |
| 1995 | pScsiReq->SenseBufferLength = karg.maxSenseBytes; |
| 1996 | |
| 1997 | pScsiReq->SenseBufferLowAddr = |
| 1998 | cpu_to_le32(ioc->sense_buf_low_dma |
| 1999 | + (req_idx * MPT_SENSE_BUFFER_ALLOC)); |
| 2000 | |
| 2001 | /* All commands to physical devices are tagged |
| 2002 | */ |
| 2003 | |
| 2004 | /* Have the IOCTL driver set the direction based |
| 2005 | * on the dataOutSize (ordering issue with Sparc). |
| 2006 | */ |
| 2007 | if (karg.dataOutSize > 0) { |
| 2008 | scsidir = MPI_SCSIIO_CONTROL_WRITE; |
| 2009 | dataSize = karg.dataOutSize; |
| 2010 | } else { |
| 2011 | scsidir = MPI_SCSIIO_CONTROL_READ; |
| 2012 | dataSize = karg.dataInSize; |
| 2013 | } |
| 2014 | |
| 2015 | pScsiReq->Control = cpu_to_le32(scsidir | qtag); |
| 2016 | pScsiReq->DataLength = cpu_to_le32(dataSize); |
| 2017 | |
| 2018 | ioc->ioctl->reset = MPTCTL_RESET_OK; |
Eric Moore | 793955f | 2007-01-29 09:42:20 -0700 | [diff] [blame] | 2019 | ioc->ioctl->id = pScsiReq->TargetID; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2020 | } else { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 2021 | printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2022 | "SCSI driver is not loaded. \n", |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 2023 | ioc->name, __FILE__, __LINE__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2024 | rc = -EFAULT; |
| 2025 | goto done_free_mem; |
| 2026 | } |
| 2027 | break; |
| 2028 | |
| 2029 | case MPI_FUNCTION_SCSI_TASK_MGMT: |
| 2030 | { |
| 2031 | MPT_SCSI_HOST *hd = NULL; |
Eric Moore | e7eae9f | 2007-09-29 10:15:59 -0600 | [diff] [blame] | 2032 | if ((ioc->sh == NULL) || ((hd = shost_priv(ioc->sh)) == NULL)) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 2033 | printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2034 | "SCSI driver not loaded or SCSI host not found. \n", |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 2035 | ioc->name, __FILE__, __LINE__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2036 | rc = -EFAULT; |
| 2037 | goto done_free_mem; |
| 2038 | } else if (mptctl_set_tm_flags(hd) != 0) { |
| 2039 | rc = -EPERM; |
| 2040 | goto done_free_mem; |
| 2041 | } |
| 2042 | } |
| 2043 | break; |
| 2044 | |
| 2045 | case MPI_FUNCTION_IOC_INIT: |
| 2046 | { |
| 2047 | IOCInit_t *pInit = (IOCInit_t *) mf; |
| 2048 | u32 high_addr, sense_high; |
| 2049 | |
| 2050 | /* Verify that all entries in the IOC INIT match |
| 2051 | * existing setup (and in LE format). |
| 2052 | */ |
| 2053 | if (sizeof(dma_addr_t) == sizeof(u64)) { |
| 2054 | high_addr = cpu_to_le32((u32)((u64)ioc->req_frames_dma >> 32)); |
| 2055 | sense_high= cpu_to_le32((u32)((u64)ioc->sense_buf_pool_dma >> 32)); |
| 2056 | } else { |
| 2057 | high_addr = 0; |
| 2058 | sense_high= 0; |
| 2059 | } |
| 2060 | |
| 2061 | if ((pInit->Flags != 0) || (pInit->MaxDevices != ioc->facts.MaxDevices) || |
| 2062 | (pInit->MaxBuses != ioc->facts.MaxBuses) || |
| 2063 | (pInit->ReplyFrameSize != cpu_to_le16(ioc->reply_sz)) || |
| 2064 | (pInit->HostMfaHighAddr != high_addr) || |
| 2065 | (pInit->SenseBufferHighAddr != sense_high)) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 2066 | printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2067 | "IOC_INIT issued with 1 or more incorrect parameters. Rejected.\n", |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 2068 | ioc->name, __FILE__, __LINE__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2069 | rc = -EFAULT; |
| 2070 | goto done_free_mem; |
| 2071 | } |
| 2072 | } |
| 2073 | break; |
| 2074 | default: |
| 2075 | /* |
| 2076 | * MPI_FUNCTION_PORT_ENABLE |
| 2077 | * MPI_FUNCTION_TARGET_CMD_BUFFER_POST |
| 2078 | * MPI_FUNCTION_TARGET_ASSIST |
| 2079 | * MPI_FUNCTION_TARGET_STATUS_SEND |
| 2080 | * MPI_FUNCTION_TARGET_MODE_ABORT |
| 2081 | * MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET |
| 2082 | * MPI_FUNCTION_IO_UNIT_RESET |
| 2083 | * MPI_FUNCTION_HANDSHAKE |
| 2084 | * MPI_FUNCTION_REPLY_FRAME_REMOVAL |
| 2085 | * MPI_FUNCTION_EVENT_NOTIFICATION |
| 2086 | * (driver handles event notification) |
| 2087 | * MPI_FUNCTION_EVENT_ACK |
| 2088 | */ |
| 2089 | |
| 2090 | /* What to do with these??? CHECK ME!!! |
| 2091 | MPI_FUNCTION_FC_LINK_SRVC_BUF_POST |
| 2092 | MPI_FUNCTION_FC_LINK_SRVC_RSP |
| 2093 | MPI_FUNCTION_FC_ABORT |
| 2094 | MPI_FUNCTION_LAN_SEND |
| 2095 | MPI_FUNCTION_LAN_RECEIVE |
| 2096 | MPI_FUNCTION_LAN_RESET |
| 2097 | */ |
| 2098 | |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 2099 | printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2100 | "Illegal request (function 0x%x) \n", |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 2101 | ioc->name, __FILE__, __LINE__, hdr->Function); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2102 | rc = -EFAULT; |
| 2103 | goto done_free_mem; |
| 2104 | } |
| 2105 | |
| 2106 | /* Add the SGL ( at most one data in SGE and one data out SGE ) |
| 2107 | * In the case of two SGE's - the data out (write) will always |
| 2108 | * preceede the data in (read) SGE. psgList is used to free the |
| 2109 | * allocated memory. |
| 2110 | */ |
| 2111 | psge = (char *) (((int *) mf) + karg.dataSgeOffset); |
| 2112 | flagsLength = 0; |
| 2113 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2114 | if (karg.dataOutSize > 0) |
| 2115 | sgSize ++; |
| 2116 | |
| 2117 | if (karg.dataInSize > 0) |
| 2118 | sgSize ++; |
| 2119 | |
| 2120 | if (sgSize > 0) { |
| 2121 | |
| 2122 | /* Set up the dataOut memory allocation */ |
| 2123 | if (karg.dataOutSize > 0) { |
| 2124 | if (karg.dataInSize > 0) { |
| 2125 | flagsLength = ( MPI_SGE_FLAGS_SIMPLE_ELEMENT | |
| 2126 | MPI_SGE_FLAGS_END_OF_BUFFER | |
| 2127 | MPI_SGE_FLAGS_DIRECTION | |
| 2128 | mpt_addr_size() ) |
| 2129 | << MPI_SGE_FLAGS_SHIFT; |
| 2130 | } else { |
| 2131 | flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE; |
| 2132 | } |
| 2133 | flagsLength |= karg.dataOutSize; |
| 2134 | bufOut.len = karg.dataOutSize; |
| 2135 | bufOut.kptr = pci_alloc_consistent( |
| 2136 | ioc->pcidev, bufOut.len, &dma_addr_out); |
| 2137 | |
| 2138 | if (bufOut.kptr == NULL) { |
| 2139 | rc = -ENOMEM; |
| 2140 | goto done_free_mem; |
| 2141 | } else { |
| 2142 | /* Set up this SGE. |
| 2143 | * Copy to MF and to sglbuf |
| 2144 | */ |
| 2145 | mpt_add_sge(psge, flagsLength, dma_addr_out); |
| 2146 | psge += (sizeof(u32) + sizeof(dma_addr_t)); |
| 2147 | |
| 2148 | /* Copy user data to kernel space. |
| 2149 | */ |
| 2150 | if (copy_from_user(bufOut.kptr, |
| 2151 | karg.dataOutBufPtr, |
| 2152 | bufOut.len)) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 2153 | printk(MYIOC_s_ERR_FMT |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2154 | "%s@%d::mptctl_do_mpt_command - Unable " |
| 2155 | "to read user data " |
| 2156 | "struct @ %p\n", |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 2157 | ioc->name, __FILE__, __LINE__,karg.dataOutBufPtr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2158 | rc = -EFAULT; |
| 2159 | goto done_free_mem; |
| 2160 | } |
| 2161 | } |
| 2162 | } |
| 2163 | |
| 2164 | if (karg.dataInSize > 0) { |
| 2165 | flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ; |
| 2166 | flagsLength |= karg.dataInSize; |
| 2167 | |
| 2168 | bufIn.len = karg.dataInSize; |
| 2169 | bufIn.kptr = pci_alloc_consistent(ioc->pcidev, |
| 2170 | bufIn.len, &dma_addr_in); |
| 2171 | |
| 2172 | if (bufIn.kptr == NULL) { |
| 2173 | rc = -ENOMEM; |
| 2174 | goto done_free_mem; |
| 2175 | } else { |
| 2176 | /* Set up this SGE |
| 2177 | * Copy to MF and to sglbuf |
| 2178 | */ |
| 2179 | mpt_add_sge(psge, flagsLength, dma_addr_in); |
| 2180 | } |
| 2181 | } |
| 2182 | } else { |
| 2183 | /* Add a NULL SGE |
| 2184 | */ |
| 2185 | mpt_add_sge(psge, flagsLength, (dma_addr_t) -1); |
| 2186 | } |
| 2187 | |
| 2188 | ioc->ioctl->wait_done = 0; |
| 2189 | if (hdr->Function == MPI_FUNCTION_SCSI_TASK_MGMT) { |
| 2190 | |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 2191 | DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)mf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2192 | |
Prakash, Sathya | 7a195f4 | 2007-08-14 16:08:40 +0530 | [diff] [blame] | 2193 | if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) && |
| 2194 | (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) |
| 2195 | mpt_put_msg_frame_hi_pri(mptctl_id, ioc, mf); |
| 2196 | else { |
| 2197 | rc =mpt_send_handshake_request(mptctl_id, ioc, |
| 2198 | sizeof(SCSITaskMgmt_t), (u32*)mf, CAN_SLEEP); |
| 2199 | if (rc != 0) { |
| 2200 | dfailprintk(ioc, printk(MYIOC_s_ERR_FMT |
| 2201 | "_send_handshake FAILED! (ioc %p, mf %p)\n", |
| 2202 | ioc->name, ioc, mf)); |
| 2203 | mptctl_free_tm_flags(ioc); |
| 2204 | rc = -ENODATA; |
| 2205 | goto done_free_mem; |
| 2206 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2207 | } |
| 2208 | |
| 2209 | } else |
| 2210 | mpt_put_msg_frame(mptctl_id, ioc, mf); |
| 2211 | |
| 2212 | /* Now wait for the command to complete */ |
| 2213 | timeout = (karg.timeout > 0) ? karg.timeout : MPT_IOCTL_DEFAULT_TIMEOUT; |
Moore, Eric | 86a7dca | 2006-02-02 17:19:37 -0700 | [diff] [blame] | 2214 | timeout = wait_event_timeout(mptctl_wait, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2215 | ioc->ioctl->wait_done == 1, |
| 2216 | HZ*timeout); |
| 2217 | |
| 2218 | if(timeout <=0 && (ioc->ioctl->wait_done != 1 )) { |
| 2219 | /* Now we need to reset the board */ |
| 2220 | |
| 2221 | if (hdr->Function == MPI_FUNCTION_SCSI_TASK_MGMT) |
| 2222 | mptctl_free_tm_flags(ioc); |
| 2223 | |
| 2224 | mptctl_timeout_expired(ioc->ioctl); |
| 2225 | rc = -ENODATA; |
| 2226 | goto done_free_mem; |
| 2227 | } |
| 2228 | |
| 2229 | mf = NULL; |
| 2230 | |
| 2231 | /* If a valid reply frame, copy to the user. |
| 2232 | * Offset 2: reply length in U32's |
| 2233 | */ |
| 2234 | if (ioc->ioctl->status & MPT_IOCTL_STATUS_RF_VALID) { |
| 2235 | if (karg.maxReplyBytes < ioc->reply_sz) { |
| 2236 | sz = min(karg.maxReplyBytes, 4*ioc->ioctl->ReplyFrame[2]); |
| 2237 | } else { |
| 2238 | sz = min(ioc->reply_sz, 4*ioc->ioctl->ReplyFrame[2]); |
| 2239 | } |
| 2240 | |
| 2241 | if (sz > 0) { |
| 2242 | if (copy_to_user(karg.replyFrameBufPtr, |
| 2243 | &ioc->ioctl->ReplyFrame, sz)){ |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 2244 | printk(MYIOC_s_ERR_FMT |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2245 | "%s@%d::mptctl_do_mpt_command - " |
| 2246 | "Unable to write out reply frame %p\n", |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 2247 | ioc->name, __FILE__, __LINE__, karg.replyFrameBufPtr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2248 | rc = -ENODATA; |
| 2249 | goto done_free_mem; |
| 2250 | } |
| 2251 | } |
| 2252 | } |
| 2253 | |
| 2254 | /* If valid sense data, copy to user. |
| 2255 | */ |
| 2256 | if (ioc->ioctl->status & MPT_IOCTL_STATUS_SENSE_VALID) { |
| 2257 | sz = min(karg.maxSenseBytes, MPT_SENSE_BUFFER_SIZE); |
| 2258 | if (sz > 0) { |
| 2259 | if (copy_to_user(karg.senseDataPtr, ioc->ioctl->sense, sz)) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 2260 | printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2261 | "Unable to write sense data to user %p\n", |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 2262 | ioc->name, __FILE__, __LINE__, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2263 | karg.senseDataPtr); |
| 2264 | rc = -ENODATA; |
| 2265 | goto done_free_mem; |
| 2266 | } |
| 2267 | } |
| 2268 | } |
| 2269 | |
| 2270 | /* If the overall status is _GOOD and data in, copy data |
| 2271 | * to user. |
| 2272 | */ |
| 2273 | if ((ioc->ioctl->status & MPT_IOCTL_STATUS_COMMAND_GOOD) && |
| 2274 | (karg.dataInSize > 0) && (bufIn.kptr)) { |
| 2275 | |
| 2276 | if (copy_to_user(karg.dataInBufPtr, |
| 2277 | bufIn.kptr, karg.dataInSize)) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 2278 | printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2279 | "Unable to write data to user %p\n", |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 2280 | ioc->name, __FILE__, __LINE__, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2281 | karg.dataInBufPtr); |
| 2282 | rc = -ENODATA; |
| 2283 | } |
| 2284 | } |
| 2285 | |
| 2286 | done_free_mem: |
| 2287 | |
| 2288 | ioc->ioctl->status &= ~(MPT_IOCTL_STATUS_COMMAND_GOOD | |
| 2289 | MPT_IOCTL_STATUS_SENSE_VALID | |
| 2290 | MPT_IOCTL_STATUS_RF_VALID ); |
| 2291 | |
| 2292 | /* Free the allocated memory. |
| 2293 | */ |
| 2294 | if (bufOut.kptr != NULL) { |
| 2295 | pci_free_consistent(ioc->pcidev, |
| 2296 | bufOut.len, (void *) bufOut.kptr, dma_addr_out); |
| 2297 | } |
| 2298 | |
| 2299 | if (bufIn.kptr != NULL) { |
| 2300 | pci_free_consistent(ioc->pcidev, |
| 2301 | bufIn.len, (void *) bufIn.kptr, dma_addr_in); |
| 2302 | } |
| 2303 | |
| 2304 | /* mf is null if command issued successfully |
| 2305 | * otherwise, failure occured after mf acquired. |
| 2306 | */ |
| 2307 | if (mf) |
| 2308 | mpt_free_msg_frame(ioc, mf); |
| 2309 | |
| 2310 | return rc; |
| 2311 | } |
| 2312 | |
| 2313 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
Eric Moore | ba856d3 | 2006-07-11 17:34:01 -0600 | [diff] [blame] | 2314 | /* Prototype Routine for the HOST INFO command. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2315 | * |
| 2316 | * Outputs: None. |
| 2317 | * Return: 0 if successful |
| 2318 | * -EFAULT if data unavailable |
Joe Perches | fc1323b | 2008-02-03 17:21:01 +0200 | [diff] [blame] | 2319 | * -EBUSY if previous command timeout and IOC reset is not complete. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2320 | * -ENODEV if no such device/adapter |
| 2321 | * -ETIME if timer expires |
| 2322 | * -ENOMEM if memory allocation error |
| 2323 | */ |
| 2324 | static int |
| 2325 | mptctl_hp_hostinfo(unsigned long arg, unsigned int data_size) |
| 2326 | { |
| 2327 | hp_host_info_t __user *uarg = (void __user *) arg; |
| 2328 | MPT_ADAPTER *ioc; |
| 2329 | struct pci_dev *pdev; |
Moore, Eric | 592f9c2 | 2006-02-02 17:19:47 -0700 | [diff] [blame] | 2330 | char *pbuf=NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2331 | dma_addr_t buf_dma; |
| 2332 | hp_host_info_t karg; |
| 2333 | CONFIGPARMS cfg; |
| 2334 | ConfigPageHeader_t hdr; |
| 2335 | int iocnum; |
| 2336 | int rc, cim_rev; |
Moore, Eric | 592f9c2 | 2006-02-02 17:19:47 -0700 | [diff] [blame] | 2337 | ToolboxIstwiReadWriteRequest_t *IstwiRWRequest; |
| 2338 | MPT_FRAME_HDR *mf = NULL; |
| 2339 | MPIHeader_t *mpi_hdr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2340 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2341 | /* Reset long to int. Should affect IA64 and SPARC only |
| 2342 | */ |
| 2343 | if (data_size == sizeof(hp_host_info_t)) |
| 2344 | cim_rev = 1; |
| 2345 | else if (data_size == sizeof(hp_host_info_rev0_t)) |
| 2346 | cim_rev = 0; /* obsolete */ |
| 2347 | else |
| 2348 | return -EFAULT; |
| 2349 | |
| 2350 | if (copy_from_user(&karg, uarg, sizeof(hp_host_info_t))) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 2351 | printk(KERN_ERR MYNAM "%s@%d::mptctl_hp_host_info - " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2352 | "Unable to read in hp_host_info struct @ %p\n", |
| 2353 | __FILE__, __LINE__, uarg); |
| 2354 | return -EFAULT; |
| 2355 | } |
| 2356 | |
| 2357 | if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || |
| 2358 | (ioc == NULL)) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 2359 | printk(KERN_DEBUG MYNAM "%s::mptctl_hp_hostinfo() @%d - ioc%d not found!\n", |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 2360 | __FILE__, __LINE__, iocnum); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2361 | return -ENODEV; |
| 2362 | } |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 2363 | dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": mptctl_hp_hostinfo called.\n", |
| 2364 | ioc->name)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2365 | |
| 2366 | /* Fill in the data and return the structure to the calling |
| 2367 | * program |
| 2368 | */ |
| 2369 | pdev = (struct pci_dev *) ioc->pcidev; |
| 2370 | |
| 2371 | karg.vendor = pdev->vendor; |
| 2372 | karg.device = pdev->device; |
| 2373 | karg.subsystem_id = pdev->subsystem_device; |
| 2374 | karg.subsystem_vendor = pdev->subsystem_vendor; |
| 2375 | karg.devfn = pdev->devfn; |
| 2376 | karg.bus = pdev->bus->number; |
| 2377 | |
| 2378 | /* Save the SCSI host no. if |
| 2379 | * SCSI driver loaded |
| 2380 | */ |
| 2381 | if (ioc->sh != NULL) |
| 2382 | karg.host_no = ioc->sh->host_no; |
| 2383 | else |
| 2384 | karg.host_no = -1; |
| 2385 | |
| 2386 | /* Reformat the fw_version into a string |
| 2387 | */ |
| 2388 | karg.fw_version[0] = ioc->facts.FWVersion.Struct.Major >= 10 ? |
| 2389 | ((ioc->facts.FWVersion.Struct.Major / 10) + '0') : '0'; |
| 2390 | karg.fw_version[1] = (ioc->facts.FWVersion.Struct.Major % 10 ) + '0'; |
| 2391 | karg.fw_version[2] = '.'; |
| 2392 | karg.fw_version[3] = ioc->facts.FWVersion.Struct.Minor >= 10 ? |
| 2393 | ((ioc->facts.FWVersion.Struct.Minor / 10) + '0') : '0'; |
| 2394 | karg.fw_version[4] = (ioc->facts.FWVersion.Struct.Minor % 10 ) + '0'; |
| 2395 | karg.fw_version[5] = '.'; |
| 2396 | karg.fw_version[6] = ioc->facts.FWVersion.Struct.Unit >= 10 ? |
| 2397 | ((ioc->facts.FWVersion.Struct.Unit / 10) + '0') : '0'; |
| 2398 | karg.fw_version[7] = (ioc->facts.FWVersion.Struct.Unit % 10 ) + '0'; |
| 2399 | karg.fw_version[8] = '.'; |
| 2400 | karg.fw_version[9] = ioc->facts.FWVersion.Struct.Dev >= 10 ? |
| 2401 | ((ioc->facts.FWVersion.Struct.Dev / 10) + '0') : '0'; |
| 2402 | karg.fw_version[10] = (ioc->facts.FWVersion.Struct.Dev % 10 ) + '0'; |
| 2403 | karg.fw_version[11] = '\0'; |
| 2404 | |
| 2405 | /* Issue a config request to get the device serial number |
| 2406 | */ |
| 2407 | hdr.PageVersion = 0; |
| 2408 | hdr.PageLength = 0; |
| 2409 | hdr.PageNumber = 0; |
| 2410 | hdr.PageType = MPI_CONFIG_PAGETYPE_MANUFACTURING; |
Christoph Hellwig | 69218ee | 2005-08-18 16:26:15 +0200 | [diff] [blame] | 2411 | cfg.cfghdr.hdr = &hdr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2412 | cfg.physAddr = -1; |
| 2413 | cfg.pageAddr = 0; |
| 2414 | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; |
| 2415 | cfg.dir = 0; /* read */ |
| 2416 | cfg.timeout = 10; |
| 2417 | |
| 2418 | strncpy(karg.serial_number, " ", 24); |
| 2419 | if (mpt_config(ioc, &cfg) == 0) { |
Christoph Hellwig | 69218ee | 2005-08-18 16:26:15 +0200 | [diff] [blame] | 2420 | if (cfg.cfghdr.hdr->PageLength > 0) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2421 | /* Issue the second config page request */ |
| 2422 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; |
| 2423 | |
| 2424 | pbuf = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4, &buf_dma); |
| 2425 | if (pbuf) { |
| 2426 | cfg.physAddr = buf_dma; |
| 2427 | if (mpt_config(ioc, &cfg) == 0) { |
| 2428 | ManufacturingPage0_t *pdata = (ManufacturingPage0_t *) pbuf; |
| 2429 | if (strlen(pdata->BoardTracerNumber) > 1) { |
| 2430 | strncpy(karg.serial_number, pdata->BoardTracerNumber, 24); |
| 2431 | karg.serial_number[24-1]='\0'; |
| 2432 | } |
| 2433 | } |
| 2434 | pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, pbuf, buf_dma); |
| 2435 | pbuf = NULL; |
| 2436 | } |
| 2437 | } |
| 2438 | } |
| 2439 | rc = mpt_GetIocState(ioc, 1); |
| 2440 | switch (rc) { |
| 2441 | case MPI_IOC_STATE_OPERATIONAL: |
| 2442 | karg.ioc_status = HP_STATUS_OK; |
| 2443 | break; |
| 2444 | |
| 2445 | case MPI_IOC_STATE_FAULT: |
| 2446 | karg.ioc_status = HP_STATUS_FAILED; |
| 2447 | break; |
| 2448 | |
| 2449 | case MPI_IOC_STATE_RESET: |
| 2450 | case MPI_IOC_STATE_READY: |
| 2451 | default: |
| 2452 | karg.ioc_status = HP_STATUS_OTHER; |
| 2453 | break; |
| 2454 | } |
| 2455 | |
| 2456 | karg.base_io_addr = pci_resource_start(pdev, 0); |
| 2457 | |
Moore, Eric | 9cc1cfb | 2006-02-02 17:19:33 -0700 | [diff] [blame] | 2458 | if ((ioc->bus_type == SAS) || (ioc->bus_type == FC)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2459 | karg.bus_phys_width = HP_BUS_WIDTH_UNK; |
| 2460 | else |
| 2461 | karg.bus_phys_width = HP_BUS_WIDTH_16; |
| 2462 | |
| 2463 | karg.hard_resets = 0; |
| 2464 | karg.soft_resets = 0; |
| 2465 | karg.timeouts = 0; |
| 2466 | if (ioc->sh != NULL) { |
Eric Moore | e7eae9f | 2007-09-29 10:15:59 -0600 | [diff] [blame] | 2467 | MPT_SCSI_HOST *hd = shost_priv(ioc->sh); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2468 | |
| 2469 | if (hd && (cim_rev == 1)) { |
| 2470 | karg.hard_resets = hd->hard_resets; |
| 2471 | karg.soft_resets = hd->soft_resets; |
| 2472 | karg.timeouts = hd->timeouts; |
| 2473 | } |
| 2474 | } |
| 2475 | |
Moore, Eric | 592f9c2 | 2006-02-02 17:19:47 -0700 | [diff] [blame] | 2476 | /* |
| 2477 | * Gather ISTWI(Industry Standard Two Wire Interface) Data |
| 2478 | */ |
| 2479 | if ((mf = mpt_get_msg_frame(mptctl_id, ioc)) == NULL) { |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 2480 | dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s, no msg frames!!\n", |
Moore, Eric | 592f9c2 | 2006-02-02 17:19:47 -0700 | [diff] [blame] | 2481 | ioc->name,__FUNCTION__)); |
| 2482 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2483 | } |
| 2484 | |
Moore, Eric | 592f9c2 | 2006-02-02 17:19:47 -0700 | [diff] [blame] | 2485 | IstwiRWRequest = (ToolboxIstwiReadWriteRequest_t *)mf; |
| 2486 | mpi_hdr = (MPIHeader_t *) mf; |
| 2487 | memset(IstwiRWRequest,0,sizeof(ToolboxIstwiReadWriteRequest_t)); |
| 2488 | IstwiRWRequest->Function = MPI_FUNCTION_TOOLBOX; |
| 2489 | IstwiRWRequest->Tool = MPI_TOOLBOX_ISTWI_READ_WRITE_TOOL; |
| 2490 | IstwiRWRequest->MsgContext = mpi_hdr->MsgContext; |
| 2491 | IstwiRWRequest->Flags = MPI_TB_ISTWI_FLAGS_READ; |
| 2492 | IstwiRWRequest->NumAddressBytes = 0x01; |
| 2493 | IstwiRWRequest->DataLength = cpu_to_le16(0x04); |
| 2494 | if (pdev->devfn & 1) |
| 2495 | IstwiRWRequest->DeviceAddr = 0xB2; |
| 2496 | else |
| 2497 | IstwiRWRequest->DeviceAddr = 0xB0; |
| 2498 | |
| 2499 | pbuf = pci_alloc_consistent(ioc->pcidev, 4, &buf_dma); |
| 2500 | if (!pbuf) |
| 2501 | goto out; |
| 2502 | mpt_add_sge((char *)&IstwiRWRequest->SGL, |
| 2503 | (MPT_SGE_FLAGS_SSIMPLE_READ|4), buf_dma); |
| 2504 | |
| 2505 | ioc->ioctl->wait_done = 0; |
| 2506 | mpt_put_msg_frame(mptctl_id, ioc, mf); |
| 2507 | |
| 2508 | rc = wait_event_timeout(mptctl_wait, |
| 2509 | ioc->ioctl->wait_done == 1, |
| 2510 | HZ*MPT_IOCTL_DEFAULT_TIMEOUT /* 10 sec */); |
| 2511 | |
| 2512 | if(rc <=0 && (ioc->ioctl->wait_done != 1 )) { |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 2513 | /* |
Moore, Eric | 592f9c2 | 2006-02-02 17:19:47 -0700 | [diff] [blame] | 2514 | * Now we need to reset the board |
| 2515 | */ |
| 2516 | mpt_free_msg_frame(ioc, mf); |
| 2517 | mptctl_timeout_expired(ioc->ioctl); |
| 2518 | goto out; |
| 2519 | } |
| 2520 | |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 2521 | /* |
Moore, Eric | 592f9c2 | 2006-02-02 17:19:47 -0700 | [diff] [blame] | 2522 | *ISTWI Data Definition |
| 2523 | * pbuf[0] = FW_VERSION = 0x4 |
| 2524 | * pbuf[1] = Bay Count = 6 or 4 or 2, depending on |
| 2525 | * the config, you should be seeing one out of these three values |
| 2526 | * pbuf[2] = Drive Installed Map = bit pattern depend on which |
| 2527 | * bays have drives in them |
| 2528 | * pbuf[3] = Checksum (0x100 = (byte0 + byte2 + byte3) |
| 2529 | */ |
| 2530 | if (ioc->ioctl->status & MPT_IOCTL_STATUS_RF_VALID) |
| 2531 | karg.rsvd = *(u32 *)pbuf; |
| 2532 | |
| 2533 | out: |
| 2534 | if (pbuf) |
| 2535 | pci_free_consistent(ioc->pcidev, 4, pbuf, buf_dma); |
| 2536 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2537 | /* Copy the data from kernel memory to user memory |
| 2538 | */ |
| 2539 | if (copy_to_user((char __user *)arg, &karg, sizeof(hp_host_info_t))) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 2540 | printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_hpgethostinfo - " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2541 | "Unable to write out hp_host_info @ %p\n", |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 2542 | ioc->name, __FILE__, __LINE__, uarg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2543 | return -EFAULT; |
| 2544 | } |
| 2545 | |
| 2546 | return 0; |
| 2547 | |
| 2548 | } |
| 2549 | |
| 2550 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
Eric Moore | ba856d3 | 2006-07-11 17:34:01 -0600 | [diff] [blame] | 2551 | /* Prototype Routine for the TARGET INFO command. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2552 | * |
| 2553 | * Outputs: None. |
| 2554 | * Return: 0 if successful |
| 2555 | * -EFAULT if data unavailable |
Joe Perches | fc1323b | 2008-02-03 17:21:01 +0200 | [diff] [blame] | 2556 | * -EBUSY if previous command timeout and IOC reset is not complete. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2557 | * -ENODEV if no such device/adapter |
| 2558 | * -ETIME if timer expires |
| 2559 | * -ENOMEM if memory allocation error |
| 2560 | */ |
| 2561 | static int |
| 2562 | mptctl_hp_targetinfo(unsigned long arg) |
| 2563 | { |
| 2564 | hp_target_info_t __user *uarg = (void __user *) arg; |
| 2565 | SCSIDevicePage0_t *pg0_alloc; |
| 2566 | SCSIDevicePage3_t *pg3_alloc; |
| 2567 | MPT_ADAPTER *ioc; |
| 2568 | MPT_SCSI_HOST *hd = NULL; |
| 2569 | hp_target_info_t karg; |
| 2570 | int iocnum; |
| 2571 | int data_sz; |
| 2572 | dma_addr_t page_dma; |
| 2573 | CONFIGPARMS cfg; |
| 2574 | ConfigPageHeader_t hdr; |
| 2575 | int tmp, np, rc = 0; |
| 2576 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2577 | if (copy_from_user(&karg, uarg, sizeof(hp_target_info_t))) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 2578 | printk(KERN_ERR MYNAM "%s@%d::mptctl_hp_targetinfo - " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2579 | "Unable to read in hp_host_targetinfo struct @ %p\n", |
| 2580 | __FILE__, __LINE__, uarg); |
| 2581 | return -EFAULT; |
| 2582 | } |
| 2583 | |
| 2584 | if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || |
| 2585 | (ioc == NULL)) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 2586 | printk(KERN_DEBUG MYNAM "%s::mptctl_hp_targetinfo() @%d - ioc%d not found!\n", |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 2587 | __FILE__, __LINE__, iocnum); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2588 | return -ENODEV; |
| 2589 | } |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 2590 | dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_hp_targetinfo called.\n", |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 2591 | ioc->name)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2592 | |
| 2593 | /* There is nothing to do for FCP parts. |
| 2594 | */ |
Moore, Eric | 9cc1cfb | 2006-02-02 17:19:33 -0700 | [diff] [blame] | 2595 | if ((ioc->bus_type == SAS) || (ioc->bus_type == FC)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2596 | return 0; |
| 2597 | |
| 2598 | if ((ioc->spi_data.sdp0length == 0) || (ioc->sh == NULL)) |
| 2599 | return 0; |
| 2600 | |
| 2601 | if (ioc->sh->host_no != karg.hdr.host) |
| 2602 | return -ENODEV; |
| 2603 | |
| 2604 | /* Get the data transfer speeds |
| 2605 | */ |
| 2606 | data_sz = ioc->spi_data.sdp0length * 4; |
| 2607 | pg0_alloc = (SCSIDevicePage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page_dma); |
| 2608 | if (pg0_alloc) { |
| 2609 | hdr.PageVersion = ioc->spi_data.sdp0version; |
| 2610 | hdr.PageLength = data_sz; |
| 2611 | hdr.PageNumber = 0; |
| 2612 | hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; |
| 2613 | |
Christoph Hellwig | 69218ee | 2005-08-18 16:26:15 +0200 | [diff] [blame] | 2614 | cfg.cfghdr.hdr = &hdr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2615 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; |
| 2616 | cfg.dir = 0; |
| 2617 | cfg.timeout = 0; |
| 2618 | cfg.physAddr = page_dma; |
| 2619 | |
| 2620 | cfg.pageAddr = (karg.hdr.channel << 8) | karg.hdr.id; |
| 2621 | |
| 2622 | if ((rc = mpt_config(ioc, &cfg)) == 0) { |
| 2623 | np = le32_to_cpu(pg0_alloc->NegotiatedParameters); |
| 2624 | karg.negotiated_width = np & MPI_SCSIDEVPAGE0_NP_WIDE ? |
| 2625 | HP_BUS_WIDTH_16 : HP_BUS_WIDTH_8; |
| 2626 | |
| 2627 | if (np & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK) { |
| 2628 | tmp = (np & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK) >> 8; |
| 2629 | if (tmp < 0x09) |
| 2630 | karg.negotiated_speed = HP_DEV_SPEED_ULTRA320; |
| 2631 | else if (tmp <= 0x09) |
| 2632 | karg.negotiated_speed = HP_DEV_SPEED_ULTRA160; |
| 2633 | else if (tmp <= 0x0A) |
| 2634 | karg.negotiated_speed = HP_DEV_SPEED_ULTRA2; |
| 2635 | else if (tmp <= 0x0C) |
| 2636 | karg.negotiated_speed = HP_DEV_SPEED_ULTRA; |
| 2637 | else if (tmp <= 0x25) |
| 2638 | karg.negotiated_speed = HP_DEV_SPEED_FAST; |
| 2639 | else |
| 2640 | karg.negotiated_speed = HP_DEV_SPEED_ASYNC; |
| 2641 | } else |
| 2642 | karg.negotiated_speed = HP_DEV_SPEED_ASYNC; |
| 2643 | } |
| 2644 | |
| 2645 | pci_free_consistent(ioc->pcidev, data_sz, (u8 *) pg0_alloc, page_dma); |
| 2646 | } |
| 2647 | |
| 2648 | /* Set defaults |
| 2649 | */ |
| 2650 | karg.message_rejects = -1; |
| 2651 | karg.phase_errors = -1; |
| 2652 | karg.parity_errors = -1; |
| 2653 | karg.select_timeouts = -1; |
| 2654 | |
| 2655 | /* Get the target error parameters |
| 2656 | */ |
| 2657 | hdr.PageVersion = 0; |
| 2658 | hdr.PageLength = 0; |
| 2659 | hdr.PageNumber = 3; |
| 2660 | hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; |
| 2661 | |
Christoph Hellwig | 69218ee | 2005-08-18 16:26:15 +0200 | [diff] [blame] | 2662 | cfg.cfghdr.hdr = &hdr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2663 | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; |
| 2664 | cfg.dir = 0; |
| 2665 | cfg.timeout = 0; |
| 2666 | cfg.physAddr = -1; |
Christoph Hellwig | 69218ee | 2005-08-18 16:26:15 +0200 | [diff] [blame] | 2667 | if ((mpt_config(ioc, &cfg) == 0) && (cfg.cfghdr.hdr->PageLength > 0)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2668 | /* Issue the second config page request */ |
| 2669 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; |
Christoph Hellwig | 69218ee | 2005-08-18 16:26:15 +0200 | [diff] [blame] | 2670 | data_sz = (int) cfg.cfghdr.hdr->PageLength * 4; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2671 | pg3_alloc = (SCSIDevicePage3_t *) pci_alloc_consistent( |
| 2672 | ioc->pcidev, data_sz, &page_dma); |
| 2673 | if (pg3_alloc) { |
| 2674 | cfg.physAddr = page_dma; |
| 2675 | cfg.pageAddr = (karg.hdr.channel << 8) | karg.hdr.id; |
| 2676 | if ((rc = mpt_config(ioc, &cfg)) == 0) { |
| 2677 | karg.message_rejects = (u32) le16_to_cpu(pg3_alloc->MsgRejectCount); |
| 2678 | karg.phase_errors = (u32) le16_to_cpu(pg3_alloc->PhaseErrorCount); |
| 2679 | karg.parity_errors = (u32) le16_to_cpu(pg3_alloc->ParityErrorCount); |
| 2680 | } |
| 2681 | pci_free_consistent(ioc->pcidev, data_sz, (u8 *) pg3_alloc, page_dma); |
| 2682 | } |
| 2683 | } |
Eric Moore | e7eae9f | 2007-09-29 10:15:59 -0600 | [diff] [blame] | 2684 | hd = shost_priv(ioc->sh); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2685 | if (hd != NULL) |
| 2686 | karg.select_timeouts = hd->sel_timeout[karg.hdr.id]; |
| 2687 | |
| 2688 | /* Copy the data from kernel memory to user memory |
| 2689 | */ |
| 2690 | if (copy_to_user((char __user *)arg, &karg, sizeof(hp_target_info_t))) { |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 2691 | printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_hp_target_info - " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2692 | "Unable to write out mpt_ioctl_targetinfo struct @ %p\n", |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 2693 | ioc->name, __FILE__, __LINE__, uarg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2694 | return -EFAULT; |
| 2695 | } |
| 2696 | |
| 2697 | return 0; |
| 2698 | } |
| 2699 | |
| 2700 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 2701 | |
Arjan van de Ven | fa027c2 | 2007-02-12 00:55:33 -0800 | [diff] [blame] | 2702 | static const struct file_operations mptctl_fops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2703 | .owner = THIS_MODULE, |
| 2704 | .llseek = no_llseek, |
Moore, Eric | ea5a7a8 | 2006-02-02 17:20:01 -0700 | [diff] [blame] | 2705 | .release = mptctl_release, |
| 2706 | .fasync = mptctl_fasync, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2707 | .unlocked_ioctl = mptctl_ioctl, |
| 2708 | #ifdef CONFIG_COMPAT |
| 2709 | .compat_ioctl = compat_mpctl_ioctl, |
| 2710 | #endif |
| 2711 | }; |
| 2712 | |
| 2713 | static struct miscdevice mptctl_miscdev = { |
| 2714 | MPT_MINOR, |
| 2715 | MYNAM, |
| 2716 | &mptctl_fops |
| 2717 | }; |
| 2718 | |
| 2719 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 2720 | |
| 2721 | #ifdef CONFIG_COMPAT |
| 2722 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2723 | static int |
| 2724 | compat_mptfwxfer_ioctl(struct file *filp, unsigned int cmd, |
| 2725 | unsigned long arg) |
| 2726 | { |
| 2727 | struct mpt_fw_xfer32 kfw32; |
| 2728 | struct mpt_fw_xfer kfw; |
| 2729 | MPT_ADAPTER *iocp = NULL; |
| 2730 | int iocnum, iocnumX; |
| 2731 | int nonblock = (filp->f_flags & O_NONBLOCK); |
| 2732 | int ret; |
| 2733 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2734 | |
| 2735 | if (copy_from_user(&kfw32, (char __user *)arg, sizeof(kfw32))) |
| 2736 | return -EFAULT; |
| 2737 | |
| 2738 | /* Verify intended MPT adapter */ |
| 2739 | iocnumX = kfw32.iocnum & 0xFF; |
| 2740 | if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) || |
| 2741 | (iocp == NULL)) { |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 2742 | printk(KERN_DEBUG MYNAM "::compat_mptfwxfer_ioctl @%d - ioc%d not found!\n", |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 2743 | __LINE__, iocnumX); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2744 | return -ENODEV; |
| 2745 | } |
| 2746 | |
| 2747 | if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0) |
| 2748 | return ret; |
| 2749 | |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 2750 | dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "compat_mptfwxfer_ioctl() called\n", |
| 2751 | iocp->name)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2752 | kfw.iocnum = iocnum; |
| 2753 | kfw.fwlen = kfw32.fwlen; |
| 2754 | kfw.bufp = compat_ptr(kfw32.bufp); |
| 2755 | |
| 2756 | ret = mptctl_do_fw_download(kfw.iocnum, kfw.bufp, kfw.fwlen); |
| 2757 | |
Christoph Hellwig | eeb846c | 2006-01-13 18:27:11 +0100 | [diff] [blame] | 2758 | mutex_unlock(&iocp->ioctl->ioctl_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2759 | |
| 2760 | return ret; |
| 2761 | } |
| 2762 | |
| 2763 | static int |
| 2764 | compat_mpt_command(struct file *filp, unsigned int cmd, |
| 2765 | unsigned long arg) |
| 2766 | { |
| 2767 | struct mpt_ioctl_command32 karg32; |
| 2768 | struct mpt_ioctl_command32 __user *uarg = (struct mpt_ioctl_command32 __user *) arg; |
| 2769 | struct mpt_ioctl_command karg; |
| 2770 | MPT_ADAPTER *iocp = NULL; |
| 2771 | int iocnum, iocnumX; |
| 2772 | int nonblock = (filp->f_flags & O_NONBLOCK); |
| 2773 | int ret; |
| 2774 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2775 | if (copy_from_user(&karg32, (char __user *)arg, sizeof(karg32))) |
| 2776 | return -EFAULT; |
| 2777 | |
| 2778 | /* Verify intended MPT adapter */ |
| 2779 | iocnumX = karg32.hdr.iocnum & 0xFF; |
| 2780 | if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) || |
| 2781 | (iocp == NULL)) { |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 2782 | printk(KERN_DEBUG MYNAM "::compat_mpt_command @%d - ioc%d not found!\n", |
Eric Moore | 29dd360 | 2007-09-14 18:46:51 -0600 | [diff] [blame] | 2783 | __LINE__, iocnumX); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2784 | return -ENODEV; |
| 2785 | } |
| 2786 | |
| 2787 | if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0) |
| 2788 | return ret; |
| 2789 | |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 2790 | dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "compat_mpt_command() called\n", |
| 2791 | iocp->name)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2792 | /* Copy data to karg */ |
| 2793 | karg.hdr.iocnum = karg32.hdr.iocnum; |
| 2794 | karg.hdr.port = karg32.hdr.port; |
| 2795 | karg.timeout = karg32.timeout; |
| 2796 | karg.maxReplyBytes = karg32.maxReplyBytes; |
| 2797 | |
| 2798 | karg.dataInSize = karg32.dataInSize; |
| 2799 | karg.dataOutSize = karg32.dataOutSize; |
| 2800 | karg.maxSenseBytes = karg32.maxSenseBytes; |
| 2801 | karg.dataSgeOffset = karg32.dataSgeOffset; |
| 2802 | |
| 2803 | karg.replyFrameBufPtr = (char __user *)(unsigned long)karg32.replyFrameBufPtr; |
| 2804 | karg.dataInBufPtr = (char __user *)(unsigned long)karg32.dataInBufPtr; |
| 2805 | karg.dataOutBufPtr = (char __user *)(unsigned long)karg32.dataOutBufPtr; |
| 2806 | karg.senseDataPtr = (char __user *)(unsigned long)karg32.senseDataPtr; |
| 2807 | |
| 2808 | /* Pass new structure to do_mpt_command |
| 2809 | */ |
| 2810 | ret = mptctl_do_mpt_command (karg, &uarg->MF); |
| 2811 | |
Christoph Hellwig | eeb846c | 2006-01-13 18:27:11 +0100 | [diff] [blame] | 2812 | mutex_unlock(&iocp->ioctl->ioctl_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2813 | |
| 2814 | return ret; |
| 2815 | } |
| 2816 | |
| 2817 | static long compat_mpctl_ioctl(struct file *f, unsigned int cmd, unsigned long arg) |
| 2818 | { |
| 2819 | long ret; |
| 2820 | lock_kernel(); |
| 2821 | switch (cmd) { |
| 2822 | case MPTIOCINFO: |
| 2823 | case MPTIOCINFO1: |
| 2824 | case MPTIOCINFO2: |
| 2825 | case MPTTARGETINFO: |
| 2826 | case MPTEVENTQUERY: |
| 2827 | case MPTEVENTENABLE: |
| 2828 | case MPTEVENTREPORT: |
| 2829 | case MPTHARDRESET: |
| 2830 | case HP_GETHOSTINFO: |
| 2831 | case HP_GETTARGETINFO: |
| 2832 | case MPTTEST: |
| 2833 | ret = __mptctl_ioctl(f, cmd, arg); |
| 2834 | break; |
| 2835 | case MPTCOMMAND32: |
| 2836 | ret = compat_mpt_command(f, cmd, arg); |
| 2837 | break; |
| 2838 | case MPTFWDOWNLOAD32: |
| 2839 | ret = compat_mptfwxfer_ioctl(f, cmd, arg); |
| 2840 | break; |
| 2841 | default: |
| 2842 | ret = -ENOIOCTLCMD; |
| 2843 | break; |
| 2844 | } |
| 2845 | unlock_kernel(); |
| 2846 | return ret; |
| 2847 | } |
| 2848 | |
| 2849 | #endif |
| 2850 | |
| 2851 | |
| 2852 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 2853 | /* |
| 2854 | * mptctl_probe - Installs ioctl devices per bus. |
| 2855 | * @pdev: Pointer to pci_dev structure |
| 2856 | * |
| 2857 | * Returns 0 for success, non-zero for failure. |
| 2858 | * |
| 2859 | */ |
| 2860 | |
| 2861 | static int |
| 2862 | mptctl_probe(struct pci_dev *pdev, const struct pci_device_id *id) |
| 2863 | { |
Mariusz Kozlowski | d7383a2 | 2007-08-10 14:50:50 -0700 | [diff] [blame] | 2864 | MPT_IOCTL *mem; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2865 | MPT_ADAPTER *ioc = pci_get_drvdata(pdev); |
| 2866 | |
| 2867 | /* |
| 2868 | * Allocate and inite a MPT_IOCTL structure |
| 2869 | */ |
Mariusz Kozlowski | d7383a2 | 2007-08-10 14:50:50 -0700 | [diff] [blame] | 2870 | mem = kzalloc(sizeof(MPT_IOCTL), GFP_KERNEL); |
| 2871 | if (!mem) { |
| 2872 | mptctl_remove(pdev); |
| 2873 | return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2874 | } |
| 2875 | |
Mariusz Kozlowski | d7383a2 | 2007-08-10 14:50:50 -0700 | [diff] [blame] | 2876 | ioc->ioctl = mem; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2877 | ioc->ioctl->ioc = ioc; |
Christoph Hellwig | eeb846c | 2006-01-13 18:27:11 +0100 | [diff] [blame] | 2878 | mutex_init(&ioc->ioctl->ioctl_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2879 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2880 | } |
| 2881 | |
| 2882 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 2883 | /* |
| 2884 | * mptctl_remove - Removed ioctl devices |
| 2885 | * @pdev: Pointer to pci_dev structure |
| 2886 | * |
| 2887 | * |
| 2888 | */ |
| 2889 | static void |
| 2890 | mptctl_remove(struct pci_dev *pdev) |
| 2891 | { |
| 2892 | MPT_ADAPTER *ioc = pci_get_drvdata(pdev); |
| 2893 | |
| 2894 | kfree ( ioc->ioctl ); |
| 2895 | } |
| 2896 | |
| 2897 | static struct mpt_pci_driver mptctl_driver = { |
| 2898 | .probe = mptctl_probe, |
| 2899 | .remove = mptctl_remove, |
| 2900 | }; |
| 2901 | |
| 2902 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 2903 | static int __init mptctl_init(void) |
| 2904 | { |
| 2905 | int err; |
| 2906 | int where = 1; |
| 2907 | |
| 2908 | show_mptmod_ver(my_NAME, my_VERSION); |
| 2909 | |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 2910 | mpt_device_driver_register(&mptctl_driver, MPTCTL_DRIVER); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2911 | |
| 2912 | /* Register this device */ |
| 2913 | err = misc_register(&mptctl_miscdev); |
| 2914 | if (err < 0) { |
| 2915 | printk(KERN_ERR MYNAM ": Can't register misc device [minor=%d].\n", MPT_MINOR); |
| 2916 | goto out_fail; |
| 2917 | } |
| 2918 | printk(KERN_INFO MYNAM ": Registered with Fusion MPT base driver\n"); |
| 2919 | printk(KERN_INFO MYNAM ": /dev/%s @ (major,minor=%d,%d)\n", |
| 2920 | mptctl_miscdev.name, MISC_MAJOR, mptctl_miscdev.minor); |
| 2921 | |
| 2922 | /* |
| 2923 | * Install our handler |
| 2924 | */ |
| 2925 | ++where; |
Prakash, Sathya | f606f57 | 2007-08-14 16:12:53 +0530 | [diff] [blame] | 2926 | mptctl_id = mpt_register(mptctl_reply, MPTCTL_DRIVER); |
| 2927 | if (!mptctl_id || mptctl_id >= MPT_MAX_PROTOCOL_DRIVERS) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2928 | printk(KERN_ERR MYNAM ": ERROR: Failed to register with Fusion MPT base driver\n"); |
| 2929 | misc_deregister(&mptctl_miscdev); |
| 2930 | err = -EBUSY; |
| 2931 | goto out_fail; |
| 2932 | } |
| 2933 | |
Prakash, Sathya | 09120a8 | 2007-07-24 15:49:05 +0530 | [diff] [blame] | 2934 | mpt_reset_register(mptctl_id, mptctl_ioc_reset); |
| 2935 | mpt_event_register(mptctl_id, mptctl_event_process); |
Moore, Eric | ea5a7a8 | 2006-02-02 17:20:01 -0700 | [diff] [blame] | 2936 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2937 | return 0; |
| 2938 | |
| 2939 | out_fail: |
| 2940 | |
| 2941 | mpt_device_driver_deregister(MPTCTL_DRIVER); |
| 2942 | |
| 2943 | return err; |
| 2944 | } |
| 2945 | |
| 2946 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 2947 | static void mptctl_exit(void) |
| 2948 | { |
| 2949 | misc_deregister(&mptctl_miscdev); |
| 2950 | printk(KERN_INFO MYNAM ": Deregistered /dev/%s @ (major,minor=%d,%d)\n", |
| 2951 | mptctl_miscdev.name, MISC_MAJOR, mptctl_miscdev.minor); |
| 2952 | |
| 2953 | /* De-register reset handler from base module */ |
| 2954 | mpt_reset_deregister(mptctl_id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2955 | |
| 2956 | /* De-register callback handler from base module */ |
| 2957 | mpt_deregister(mptctl_id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2958 | |
| 2959 | mpt_device_driver_deregister(MPTCTL_DRIVER); |
| 2960 | |
| 2961 | } |
| 2962 | |
| 2963 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 2964 | |
| 2965 | module_init(mptctl_init); |
| 2966 | module_exit(mptctl_exit); |