2 * I2O Configuration Interface Driver
4 * (C) Copyright 1999-2002 Red Hat
6 * Written by Alan Cox, Building Number Three Ltd
9 * Deepak Saxena (04/20/1999):
10 * Added basic ioctl() support
11 * Deepak Saxena (06/07/1999):
12 * Added software download ioctl (still testing)
13 * Auvo Häkkinen (09/10/1999):
14 * Changes to i2o_cfg_reply(), ioctl_parms()
15 * Added ioct_validate()
16 * Taneli Vähäkangas (09/30/1999):
18 * Taneli Vähäkangas (10/04/1999):
19 * Changed ioctl_swdl(), implemented ioctl_swul() and ioctl_swdel()
20 * Deepak Saxena (11/18/1999):
21 * Added event managmenet support
22 * Alan Cox <alan@lxorguk.ukuu.org.uk>:
23 * 2.4 rewrite ported to 2.5
24 * Markus Lidel <Markus.Lidel@shadowconnect.com>:
25 * Added pass-thru support for Adaptec's raidutils
27 * This program is free software; you can redistribute it and/or
28 * modify it under the terms of the GNU General Public License
29 * as published by the Free Software Foundation; either version
30 * 2 of the License, or (at your option) any later version.
33 #include <linux/miscdevice.h>
34 #include <linux/smp_lock.h>
35 #include <linux/compat.h>
36 #include <linux/slab.h>
38 #include <asm/uaccess.h>
42 #define SG_TABLESIZE 30
44 static long i2o_cfg_ioctl(struct file *, unsigned int, unsigned long);
46 static spinlock_t i2o_config_lock;
48 #define MODINC(x,y) ((x) = ((x) + 1) % (y))
50 struct sg_simple_element {
57 struct fasync_struct *fasync;
58 struct i2o_evt_info event_q[I2O_EVT_Q_LEN];
59 u16 q_in; // Queue head index
60 u16 q_out; // Queue tail index
61 u16 q_len; // Queue length
62 u16 q_lost; // Number of lost events
63 ulong q_id; // Event queue ID...used as tx_context
64 struct i2o_cfg_info *next;
66 static struct i2o_cfg_info *open_files = NULL;
67 static ulong i2o_cfg_info_id = 0;
69 static int i2o_cfg_getiops(unsigned long arg)
71 struct i2o_controller *c;
72 u8 __user *user_iop_table = (void __user *)arg;
73 u8 tmp[MAX_I2O_CONTROLLERS];
76 memset(tmp, 0, MAX_I2O_CONTROLLERS);
78 list_for_each_entry(c, &i2o_controllers, list)
81 if (copy_to_user(user_iop_table, tmp, MAX_I2O_CONTROLLERS))
87 static int i2o_cfg_gethrt(unsigned long arg)
89 struct i2o_controller *c;
90 struct i2o_cmd_hrtlct __user *cmd = (struct i2o_cmd_hrtlct __user *)arg;
91 struct i2o_cmd_hrtlct kcmd;
97 if (copy_from_user(&kcmd, cmd, sizeof(struct i2o_cmd_hrtlct)))
100 if (get_user(reslen, kcmd.reslen) < 0)
103 if (kcmd.resbuf == NULL)
106 c = i2o_find_iop(kcmd.iop);
110 hrt = (i2o_hrt *) c->hrt.virt;
112 len = 8 + ((hrt->entry_len * hrt->num_entries) << 2);
114 /* We did a get user...so assuming mem is ok...is this bad? */
115 put_user(len, kcmd.reslen);
118 if (copy_to_user(kcmd.resbuf, (void *)hrt, len))
124 static int i2o_cfg_getlct(unsigned long arg)
126 struct i2o_controller *c;
127 struct i2o_cmd_hrtlct __user *cmd = (struct i2o_cmd_hrtlct __user *)arg;
128 struct i2o_cmd_hrtlct kcmd;
134 if (copy_from_user(&kcmd, cmd, sizeof(struct i2o_cmd_hrtlct)))
137 if (get_user(reslen, kcmd.reslen) < 0)
140 if (kcmd.resbuf == NULL)
143 c = i2o_find_iop(kcmd.iop);
147 lct = (i2o_lct *) c->lct;
149 len = (unsigned int)lct->table_size << 2;
150 put_user(len, kcmd.reslen);
153 else if (copy_to_user(kcmd.resbuf, lct, len))
159 static int i2o_cfg_parms(unsigned long arg, unsigned int type)
162 struct i2o_controller *c;
163 struct i2o_device *dev;
164 struct i2o_cmd_psetget __user *cmd =
165 (struct i2o_cmd_psetget __user *)arg;
166 struct i2o_cmd_psetget kcmd;
172 u32 i2o_cmd = (type == I2OPARMGET ?
173 I2O_CMD_UTIL_PARAMS_GET : I2O_CMD_UTIL_PARAMS_SET);
175 if (copy_from_user(&kcmd, cmd, sizeof(struct i2o_cmd_psetget)))
178 if (get_user(reslen, kcmd.reslen))
181 c = i2o_find_iop(kcmd.iop);
185 dev = i2o_iop_find_device(c, kcmd.tid);
189 ops = memdup_user(kcmd.opbuf, kcmd.oplen);
194 * It's possible to have a _very_ large table
195 * and that the user asks for all of it at once...
197 res = kmalloc(65536, GFP_KERNEL);
203 len = i2o_parm_issue(dev, i2o_cmd, ops, kcmd.oplen, res, 65536);
211 put_user(len, kcmd.reslen);
214 else if (copy_to_user(kcmd.resbuf, res, len))
222 static int i2o_cfg_swdl(unsigned long arg)
224 struct i2o_sw_xfer kxfer;
225 struct i2o_sw_xfer __user *pxfer = (struct i2o_sw_xfer __user *)arg;
226 unsigned char maxfrag = 0, curfrag = 1;
227 struct i2o_dma buffer;
228 struct i2o_message *msg;
229 unsigned int status = 0, swlen = 0, fragsize = 8192;
230 struct i2o_controller *c;
232 if (copy_from_user(&kxfer, pxfer, sizeof(struct i2o_sw_xfer)))
235 if (get_user(swlen, kxfer.swlen) < 0)
238 if (get_user(maxfrag, kxfer.maxfrag) < 0)
241 if (get_user(curfrag, kxfer.curfrag) < 0)
244 if (curfrag == maxfrag)
245 fragsize = swlen - (maxfrag - 1) * 8192;
247 if (!kxfer.buf || !access_ok(VERIFY_READ, kxfer.buf, fragsize))
250 c = i2o_find_iop(kxfer.iop);
254 msg = i2o_msg_get_wait(c, I2O_TIMEOUT_MESSAGE_GET);
258 if (i2o_dma_alloc(&c->pdev->dev, &buffer, fragsize)) {
263 if (__copy_from_user(buffer.virt, kxfer.buf, fragsize)) {
265 i2o_dma_free(&c->pdev->dev, &buffer);
269 msg->u.head[0] = cpu_to_le32(NINE_WORD_MSG_SIZE | SGL_OFFSET_7);
271 cpu_to_le32(I2O_CMD_SW_DOWNLOAD << 24 | HOST_TID << 12 |
273 msg->u.head[2] = cpu_to_le32(i2o_config_driver.context);
274 msg->u.head[3] = cpu_to_le32(0);
276 cpu_to_le32((((u32) kxfer.flags) << 24) | (((u32) kxfer.
278 (((u32) maxfrag) << 8) | (((u32) curfrag)));
279 msg->body[1] = cpu_to_le32(swlen);
280 msg->body[2] = cpu_to_le32(kxfer.sw_id);
281 msg->body[3] = cpu_to_le32(0xD0000000 | fragsize);
282 msg->body[4] = cpu_to_le32(buffer.phys);
284 osm_debug("swdl frag %d/%d (size %d)\n", curfrag, maxfrag, fragsize);
285 status = i2o_msg_post_wait_mem(c, msg, 60, &buffer);
287 if (status != -ETIMEDOUT)
288 i2o_dma_free(&c->pdev->dev, &buffer);
290 if (status != I2O_POST_WAIT_OK) {
291 // it fails if you try and send frags out of order
292 // and for some yet unknown reasons too
293 osm_info("swdl failed, DetailedStatus = %d\n", status);
300 static int i2o_cfg_swul(unsigned long arg)
302 struct i2o_sw_xfer kxfer;
303 struct i2o_sw_xfer __user *pxfer = (struct i2o_sw_xfer __user *)arg;
304 unsigned char maxfrag = 0, curfrag = 1;
305 struct i2o_dma buffer;
306 struct i2o_message *msg;
307 unsigned int status = 0, swlen = 0, fragsize = 8192;
308 struct i2o_controller *c;
311 if (copy_from_user(&kxfer, pxfer, sizeof(struct i2o_sw_xfer)))
314 if (get_user(swlen, kxfer.swlen) < 0)
317 if (get_user(maxfrag, kxfer.maxfrag) < 0)
320 if (get_user(curfrag, kxfer.curfrag) < 0)
323 if (curfrag == maxfrag)
324 fragsize = swlen - (maxfrag - 1) * 8192;
329 c = i2o_find_iop(kxfer.iop);
333 msg = i2o_msg_get_wait(c, I2O_TIMEOUT_MESSAGE_GET);
337 if (i2o_dma_alloc(&c->pdev->dev, &buffer, fragsize)) {
342 msg->u.head[0] = cpu_to_le32(NINE_WORD_MSG_SIZE | SGL_OFFSET_7);
344 cpu_to_le32(I2O_CMD_SW_UPLOAD << 24 | HOST_TID << 12 | ADAPTER_TID);
345 msg->u.head[2] = cpu_to_le32(i2o_config_driver.context);
346 msg->u.head[3] = cpu_to_le32(0);
348 cpu_to_le32((u32) kxfer.flags << 24 | (u32) kxfer.
349 sw_type << 16 | (u32) maxfrag << 8 | (u32) curfrag);
350 msg->body[1] = cpu_to_le32(swlen);
351 msg->body[2] = cpu_to_le32(kxfer.sw_id);
352 msg->body[3] = cpu_to_le32(0xD0000000 | fragsize);
353 msg->body[4] = cpu_to_le32(buffer.phys);
355 osm_debug("swul frag %d/%d (size %d)\n", curfrag, maxfrag, fragsize);
356 status = i2o_msg_post_wait_mem(c, msg, 60, &buffer);
358 if (status != I2O_POST_WAIT_OK) {
359 if (status != -ETIMEDOUT)
360 i2o_dma_free(&c->pdev->dev, &buffer);
362 osm_info("swul failed, DetailedStatus = %d\n", status);
366 if (copy_to_user(kxfer.buf, buffer.virt, fragsize))
369 i2o_dma_free(&c->pdev->dev, &buffer);
374 static int i2o_cfg_swdel(unsigned long arg)
376 struct i2o_controller *c;
377 struct i2o_sw_xfer kxfer;
378 struct i2o_sw_xfer __user *pxfer = (struct i2o_sw_xfer __user *)arg;
379 struct i2o_message *msg;
383 if (copy_from_user(&kxfer, pxfer, sizeof(struct i2o_sw_xfer)))
386 if (get_user(swlen, kxfer.swlen) < 0)
389 c = i2o_find_iop(kxfer.iop);
393 msg = i2o_msg_get_wait(c, I2O_TIMEOUT_MESSAGE_GET);
397 msg->u.head[0] = cpu_to_le32(SEVEN_WORD_MSG_SIZE | SGL_OFFSET_0);
399 cpu_to_le32(I2O_CMD_SW_REMOVE << 24 | HOST_TID << 12 | ADAPTER_TID);
400 msg->u.head[2] = cpu_to_le32(i2o_config_driver.context);
401 msg->u.head[3] = cpu_to_le32(0);
403 cpu_to_le32((u32) kxfer.flags << 24 | (u32) kxfer.sw_type << 16);
404 msg->body[1] = cpu_to_le32(swlen);
405 msg->body[2] = cpu_to_le32(kxfer.sw_id);
407 token = i2o_msg_post_wait(c, msg, 10);
409 if (token != I2O_POST_WAIT_OK) {
410 osm_info("swdel failed, DetailedStatus = %d\n", token);
417 static int i2o_cfg_validate(unsigned long arg)
421 struct i2o_message *msg;
422 struct i2o_controller *c;
424 c = i2o_find_iop(iop);
428 msg = i2o_msg_get_wait(c, I2O_TIMEOUT_MESSAGE_GET);
432 msg->u.head[0] = cpu_to_le32(FOUR_WORD_MSG_SIZE | SGL_OFFSET_0);
434 cpu_to_le32(I2O_CMD_CONFIG_VALIDATE << 24 | HOST_TID << 12 | iop);
435 msg->u.head[2] = cpu_to_le32(i2o_config_driver.context);
436 msg->u.head[3] = cpu_to_le32(0);
438 token = i2o_msg_post_wait(c, msg, 10);
440 if (token != I2O_POST_WAIT_OK) {
441 osm_info("Can't validate configuration, ErrorStatus = %d\n",
449 static int i2o_cfg_evt_reg(unsigned long arg, struct file *fp)
451 struct i2o_message *msg;
452 struct i2o_evt_id __user *pdesc = (struct i2o_evt_id __user *)arg;
453 struct i2o_evt_id kdesc;
454 struct i2o_controller *c;
455 struct i2o_device *d;
457 if (copy_from_user(&kdesc, pdesc, sizeof(struct i2o_evt_id)))
461 c = i2o_find_iop(kdesc.iop);
466 d = i2o_iop_find_device(c, kdesc.tid);
470 msg = i2o_msg_get_wait(c, I2O_TIMEOUT_MESSAGE_GET);
474 msg->u.head[0] = cpu_to_le32(FOUR_WORD_MSG_SIZE | SGL_OFFSET_0);
476 cpu_to_le32(I2O_CMD_UTIL_EVT_REGISTER << 24 | HOST_TID << 12 |
478 msg->u.head[2] = cpu_to_le32(i2o_config_driver.context);
479 msg->u.head[3] = cpu_to_le32(i2o_cntxt_list_add(c, fp->private_data));
480 msg->body[0] = cpu_to_le32(kdesc.evt_mask);
482 i2o_msg_post(c, msg);
487 static int i2o_cfg_evt_get(unsigned long arg, struct file *fp)
489 struct i2o_cfg_info *p = NULL;
490 struct i2o_evt_get __user *uget = (struct i2o_evt_get __user *)arg;
491 struct i2o_evt_get kget;
494 for (p = open_files; p; p = p->next)
495 if (p->q_id == (ulong) fp->private_data)
501 memcpy(&kget.info, &p->event_q[p->q_out], sizeof(struct i2o_evt_info));
502 MODINC(p->q_out, I2O_EVT_Q_LEN);
503 spin_lock_irqsave(&i2o_config_lock, flags);
505 kget.pending = p->q_len;
506 kget.lost = p->q_lost;
507 spin_unlock_irqrestore(&i2o_config_lock, flags);
509 if (copy_to_user(uget, &kget, sizeof(struct i2o_evt_get)))
515 static int i2o_cfg_passthru32(struct file *file, unsigned cmnd,
518 struct i2o_cmd_passthru32 __user *cmd;
519 struct i2o_controller *c;
520 u32 __user *user_msg;
522 u32 __user *user_reply = NULL;
526 struct i2o_dma sg_list[SG_TABLESIZE];
531 i2o_status_block *sb;
532 struct i2o_message *msg;
535 cmd = (struct i2o_cmd_passthru32 __user *)arg;
537 if (get_user(iop, &cmd->iop) || get_user(i, &cmd->msg))
540 user_msg = compat_ptr(i);
542 c = i2o_find_iop(iop);
544 osm_debug("controller %d not found\n", iop);
548 sb = c->status_block.virt;
550 if (get_user(size, &user_msg[0])) {
551 osm_warn("unable to get size!\n");
556 if (size > sb->inbound_frame_size) {
557 osm_warn("size of message > inbound_frame_size");
561 user_reply = &user_msg[size];
563 size <<= 2; // Convert to bytes
565 msg = i2o_msg_get_wait(c, I2O_TIMEOUT_MESSAGE_GET);
570 /* Copy in the user's I2O command */
571 if (copy_from_user(msg, user_msg, size)) {
572 osm_warn("unable to copy user message\n");
575 i2o_dump_message(msg);
577 if (get_user(reply_size, &user_reply[0]) < 0)
584 reply = kzalloc(reply_size, GFP_KERNEL);
586 printk(KERN_WARNING "%s: Could not allocate reply buffer\n",
591 sg_offset = (msg->u.head[0] >> 4) & 0x0f;
593 memset(sg_list, 0, sizeof(sg_list[0]) * SG_TABLESIZE);
595 struct sg_simple_element *sg;
597 if (sg_offset * 4 >= size) {
602 sg = (struct sg_simple_element *)((&msg->u.head[0]) +
605 (size - sg_offset * 4) / sizeof(struct sg_simple_element);
606 if (sg_count > SG_TABLESIZE) {
607 printk(KERN_DEBUG "%s:IOCTL SG List too large (%u)\n",
613 for (i = 0; i < sg_count; i++) {
617 if (!(sg[i].flag_count & 0x10000000
618 /*I2O_SGL_FLAGS_SIMPLE_ADDRESS_ELEMENT */ )) {
620 "%s:Bad SG element %d - not simple (%x)\n",
621 c->name, i, sg[i].flag_count);
625 sg_size = sg[i].flag_count & 0xffffff;
626 p = &(sg_list[sg_index]);
627 /* Allocate memory for the transfer */
628 if (i2o_dma_alloc(&c->pdev->dev, p, sg_size)) {
630 "%s: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
631 c->name, sg_size, i, sg_count);
633 goto sg_list_cleanup;
636 /* Copy in the user's SG buffer if necessary */
638 flag_count & 0x04000000 /*I2O_SGL_FLAGS_DIR */ ) {
642 (void __user *)(unsigned long)sg[i].
643 addr_bus, sg_size)) {
645 "%s: Could not copy SG buf %d FROM user\n",
648 goto sg_list_cleanup;
652 sg[i].addr_bus = (u32) p->phys;
656 rcode = i2o_msg_post_wait(c, msg, 60);
659 reply[4] = ((u32) rcode) << 24;
660 goto sg_list_cleanup;
664 u32 rmsg[I2O_OUTBOUND_MSG_FRAME_SIZE];
665 /* Copy back the Scatter Gather buffers back to user space */
668 struct sg_simple_element *sg;
671 // re-acquire the original message to handle correctly the sg copy operation
672 memset(&rmsg, 0, I2O_OUTBOUND_MSG_FRAME_SIZE * 4);
673 // get user msg size in u32s
674 if (get_user(size, &user_msg[0])) {
676 goto sg_list_cleanup;
680 /* Copy in the user's I2O command */
681 if (copy_from_user(rmsg, user_msg, size)) {
683 goto sg_list_cleanup;
686 (size - sg_offset * 4) / sizeof(struct sg_simple_element);
689 sg = (struct sg_simple_element *)(rmsg + sg_offset);
690 for (j = 0; j < sg_count; j++) {
691 /* Copy out the SG list to user's buffer if necessary */
694 flag_count & 0x4000000 /*I2O_SGL_FLAGS_DIR */ )) {
695 sg_size = sg[j].flag_count & 0xffffff;
698 ((void __user *)(u64) sg[j].addr_bus,
699 sg_list[j].virt, sg_size)) {
701 "%s: Could not copy %p TO user %x\n",
702 c->name, sg_list[j].virt,
705 goto sg_list_cleanup;
712 /* Copy back the reply to user space */
714 // we wrote our own values for context - now restore the user supplied ones
715 if (copy_from_user(reply + 2, user_msg + 2, sizeof(u32) * 2)) {
717 "%s: Could not copy message context FROM user\n",
721 if (copy_to_user(user_reply, reply, reply_size)) {
723 "%s: Could not copy reply TO user\n", c->name);
727 for (i = 0; i < sg_index; i++)
728 i2o_dma_free(&c->pdev->dev, &sg_list[i]);
738 static long i2o_cfg_compat_ioctl(struct file *file, unsigned cmd,
745 ret = i2o_cfg_ioctl(file, cmd, arg);
748 ret = i2o_cfg_passthru32(file, cmd, arg);
760 #ifdef CONFIG_I2O_EXT_ADAPTEC
761 static int i2o_cfg_passthru(unsigned long arg)
763 struct i2o_cmd_passthru __user *cmd =
764 (struct i2o_cmd_passthru __user *)arg;
765 struct i2o_controller *c;
766 u32 __user *user_msg;
768 u32 __user *user_reply = NULL;
772 struct i2o_dma sg_list[SG_TABLESIZE];
777 i2o_status_block *sb;
778 struct i2o_message *msg;
781 if (get_user(iop, &cmd->iop) || get_user(user_msg, &cmd->msg))
784 c = i2o_find_iop(iop);
786 osm_warn("controller %d not found\n", iop);
790 sb = c->status_block.virt;
792 if (get_user(size, &user_msg[0]))
796 if (size > sb->inbound_frame_size) {
797 osm_warn("size of message > inbound_frame_size");
801 user_reply = &user_msg[size];
803 size <<= 2; // Convert to bytes
805 msg = i2o_msg_get_wait(c, I2O_TIMEOUT_MESSAGE_GET);
810 /* Copy in the user's I2O command */
811 if (copy_from_user(msg, user_msg, size))
814 if (get_user(reply_size, &user_reply[0]) < 0)
820 reply = kzalloc(reply_size, GFP_KERNEL);
822 printk(KERN_WARNING "%s: Could not allocate reply buffer\n",
828 sg_offset = (msg->u.head[0] >> 4) & 0x0f;
830 memset(sg_list, 0, sizeof(sg_list[0]) * SG_TABLESIZE);
832 struct sg_simple_element *sg;
835 if (sg_offset * 4 >= size) {
840 sg = (struct sg_simple_element *)((&msg->u.head[0]) +
843 (size - sg_offset * 4) / sizeof(struct sg_simple_element);
844 if (sg_count > SG_TABLESIZE) {
845 printk(KERN_DEBUG "%s:IOCTL SG List too large (%u)\n",
851 for (i = 0; i < sg_count; i++) {
854 if (!(sg[i].flag_count & 0x10000000
855 /*I2O_SGL_FLAGS_SIMPLE_ADDRESS_ELEMENT */ )) {
857 "%s:Bad SG element %d - not simple (%x)\n",
858 c->name, i, sg[i].flag_count);
860 goto sg_list_cleanup;
862 sg_size = sg[i].flag_count & 0xffffff;
863 p = &(sg_list[sg_index]);
864 if (i2o_dma_alloc(&c->pdev->dev, p, sg_size)) {
865 /* Allocate memory for the transfer */
867 "%s: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
868 c->name, sg_size, i, sg_count);
870 goto sg_list_cleanup;
873 /* Copy in the user's SG buffer if necessary */
875 flag_count & 0x04000000 /*I2O_SGL_FLAGS_DIR */ ) {
878 (p->virt, (void __user *)sg[i].addr_bus,
881 "%s: Could not copy SG buf %d FROM user\n",
884 goto sg_list_cleanup;
887 sg[i].addr_bus = p->phys;
891 rcode = i2o_msg_post_wait(c, msg, 60);
894 reply[4] = ((u32) rcode) << 24;
895 goto sg_list_cleanup;
899 u32 rmsg[I2O_OUTBOUND_MSG_FRAME_SIZE];
900 /* Copy back the Scatter Gather buffers back to user space */
903 struct sg_simple_element *sg;
906 // re-acquire the original message to handle correctly the sg copy operation
907 memset(&rmsg, 0, I2O_OUTBOUND_MSG_FRAME_SIZE * 4);
908 // get user msg size in u32s
909 if (get_user(size, &user_msg[0])) {
911 goto sg_list_cleanup;
915 /* Copy in the user's I2O command */
916 if (copy_from_user(rmsg, user_msg, size)) {
918 goto sg_list_cleanup;
921 (size - sg_offset * 4) / sizeof(struct sg_simple_element);
924 sg = (struct sg_simple_element *)(rmsg + sg_offset);
925 for (j = 0; j < sg_count; j++) {
926 /* Copy out the SG list to user's buffer if necessary */
929 flag_count & 0x4000000 /*I2O_SGL_FLAGS_DIR */ )) {
930 sg_size = sg[j].flag_count & 0xffffff;
933 ((void __user *)sg[j].addr_bus, sg_list[j].virt,
936 "%s: Could not copy %p TO user %x\n",
937 c->name, sg_list[j].virt,
940 goto sg_list_cleanup;
947 /* Copy back the reply to user space */
949 // we wrote our own values for context - now restore the user supplied ones
950 if (copy_from_user(reply + 2, user_msg + 2, sizeof(u32) * 2)) {
952 "%s: Could not copy message context FROM user\n",
956 if (copy_to_user(user_reply, reply, reply_size)) {
958 "%s: Could not copy reply TO user\n", c->name);
963 for (i = 0; i < sg_index; i++)
964 i2o_dma_free(&c->pdev->dev, &sg_list[i]);
978 static long i2o_cfg_ioctl(struct file *fp, unsigned int cmd, unsigned long arg)
985 ret = i2o_cfg_getiops(arg);
989 ret = i2o_cfg_gethrt(arg);
993 ret = i2o_cfg_getlct(arg);
997 ret = i2o_cfg_parms(arg, I2OPARMSET);
1001 ret = i2o_cfg_parms(arg, I2OPARMGET);
1005 ret = i2o_cfg_swdl(arg);
1009 ret = i2o_cfg_swul(arg);
1013 ret = i2o_cfg_swdel(arg);
1017 ret = i2o_cfg_validate(arg);
1021 ret = i2o_cfg_evt_reg(arg, fp);
1025 ret = i2o_cfg_evt_get(arg, fp);
1028 #ifdef CONFIG_I2O_EXT_ADAPTEC
1030 ret = i2o_cfg_passthru(arg);
1035 osm_debug("unknown ioctl called!\n");
1042 static int cfg_open(struct inode *inode, struct file *file)
1044 struct i2o_cfg_info *tmp =
1045 (struct i2o_cfg_info *)kmalloc(sizeof(struct i2o_cfg_info),
1047 unsigned long flags;
1053 file->private_data = (void *)(i2o_cfg_info_id++);
1056 tmp->q_id = (ulong) file->private_data;
1061 tmp->next = open_files;
1063 spin_lock_irqsave(&i2o_config_lock, flags);
1065 spin_unlock_irqrestore(&i2o_config_lock, flags);
1071 static int cfg_fasync(int fd, struct file *fp, int on)
1073 ulong id = (ulong) fp->private_data;
1074 struct i2o_cfg_info *p;
1078 for (p = open_files; p; p = p->next)
1083 ret = fasync_helper(fd, fp, on, &p->fasync);
1088 static int cfg_release(struct inode *inode, struct file *file)
1090 ulong id = (ulong) file->private_data;
1091 struct i2o_cfg_info *p, **q;
1092 unsigned long flags;
1095 spin_lock_irqsave(&i2o_config_lock, flags);
1096 for (q = &open_files; (p = *q) != NULL; q = &p->next) {
1097 if (p->q_id == id) {
1103 spin_unlock_irqrestore(&i2o_config_lock, flags);
1109 static const struct file_operations config_fops = {
1110 .owner = THIS_MODULE,
1111 .llseek = no_llseek,
1112 .unlocked_ioctl = i2o_cfg_ioctl,
1113 #ifdef CONFIG_COMPAT
1114 .compat_ioctl = i2o_cfg_compat_ioctl,
1117 .release = cfg_release,
1118 .fasync = cfg_fasync,
1121 static struct miscdevice i2o_miscdev = {
1127 static int __init i2o_config_old_init(void)
1129 spin_lock_init(&i2o_config_lock);
1131 if (misc_register(&i2o_miscdev) < 0) {
1132 osm_err("can't register device.\n");
1139 static void i2o_config_old_exit(void)
1141 misc_deregister(&i2o_miscdev);
1144 MODULE_AUTHOR("Red Hat Software");