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@redhat.com>:
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>
37 #include <asm/uaccess.h>
41 #define SG_TABLESIZE 30
43 static int i2o_cfg_ioctl(struct inode *, struct file *, unsigned int,
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 = kmalloc(kcmd.oplen, GFP_KERNEL);
193 if (copy_from_user(ops, kcmd.opbuf, kcmd.oplen)) {
199 * It's possible to have a _very_ large table
200 * and that the user asks for all of it at once...
202 res = kmalloc(65536, GFP_KERNEL);
208 len = i2o_parm_issue(dev, i2o_cmd, ops, kcmd.oplen, res, 65536);
216 put_user(len, kcmd.reslen);
219 else if (copy_to_user(kcmd.resbuf, res, len))
227 static int i2o_cfg_swdl(unsigned long arg)
229 struct i2o_sw_xfer kxfer;
230 struct i2o_sw_xfer __user *pxfer = (struct i2o_sw_xfer __user *)arg;
231 unsigned char maxfrag = 0, curfrag = 1;
232 struct i2o_dma buffer;
233 struct i2o_message *msg;
234 unsigned int status = 0, swlen = 0, fragsize = 8192;
235 struct i2o_controller *c;
237 if (copy_from_user(&kxfer, pxfer, sizeof(struct i2o_sw_xfer)))
240 if (get_user(swlen, kxfer.swlen) < 0)
243 if (get_user(maxfrag, kxfer.maxfrag) < 0)
246 if (get_user(curfrag, kxfer.curfrag) < 0)
249 if (curfrag == maxfrag)
250 fragsize = swlen - (maxfrag - 1) * 8192;
252 if (!kxfer.buf || !access_ok(VERIFY_READ, kxfer.buf, fragsize))
255 c = i2o_find_iop(kxfer.iop);
259 msg = i2o_msg_get_wait(c, I2O_TIMEOUT_MESSAGE_GET);
263 if (i2o_dma_alloc(&c->pdev->dev, &buffer, fragsize, GFP_KERNEL)) {
268 if (__copy_from_user(buffer.virt, kxfer.buf, fragsize)) {
270 i2o_dma_free(&c->pdev->dev, &buffer);
274 msg->u.head[0] = cpu_to_le32(NINE_WORD_MSG_SIZE | SGL_OFFSET_7);
276 cpu_to_le32(I2O_CMD_SW_DOWNLOAD << 24 | HOST_TID << 12 |
278 msg->u.head[2] = cpu_to_le32(i2o_config_driver.context);
279 msg->u.head[3] = cpu_to_le32(0);
281 cpu_to_le32((((u32) kxfer.flags) << 24) | (((u32) kxfer.
283 (((u32) maxfrag) << 8) | (((u32) curfrag)));
284 msg->body[1] = cpu_to_le32(swlen);
285 msg->body[2] = cpu_to_le32(kxfer.sw_id);
286 msg->body[3] = cpu_to_le32(0xD0000000 | fragsize);
287 msg->body[4] = cpu_to_le32(buffer.phys);
289 osm_debug("swdl frag %d/%d (size %d)\n", curfrag, maxfrag, fragsize);
290 status = i2o_msg_post_wait_mem(c, msg, 60, &buffer);
292 if (status != -ETIMEDOUT)
293 i2o_dma_free(&c->pdev->dev, &buffer);
295 if (status != I2O_POST_WAIT_OK) {
296 // it fails if you try and send frags out of order
297 // and for some yet unknown reasons too
298 osm_info("swdl failed, DetailedStatus = %d\n", status);
305 static int i2o_cfg_swul(unsigned long arg)
307 struct i2o_sw_xfer kxfer;
308 struct i2o_sw_xfer __user *pxfer = (struct i2o_sw_xfer __user *)arg;
309 unsigned char maxfrag = 0, curfrag = 1;
310 struct i2o_dma buffer;
311 struct i2o_message *msg;
312 unsigned int status = 0, swlen = 0, fragsize = 8192;
313 struct i2o_controller *c;
316 if (copy_from_user(&kxfer, pxfer, sizeof(struct i2o_sw_xfer)))
319 if (get_user(swlen, kxfer.swlen) < 0)
322 if (get_user(maxfrag, kxfer.maxfrag) < 0)
325 if (get_user(curfrag, kxfer.curfrag) < 0)
328 if (curfrag == maxfrag)
329 fragsize = swlen - (maxfrag - 1) * 8192;
334 c = i2o_find_iop(kxfer.iop);
338 msg = i2o_msg_get_wait(c, I2O_TIMEOUT_MESSAGE_GET);
342 if (i2o_dma_alloc(&c->pdev->dev, &buffer, fragsize, GFP_KERNEL)) {
347 msg->u.head[0] = cpu_to_le32(NINE_WORD_MSG_SIZE | SGL_OFFSET_7);
349 cpu_to_le32(I2O_CMD_SW_UPLOAD << 24 | HOST_TID << 12 | ADAPTER_TID);
350 msg->u.head[2] = cpu_to_le32(i2o_config_driver.context);
351 msg->u.head[3] = cpu_to_le32(0);
353 cpu_to_le32((u32) kxfer.flags << 24 | (u32) kxfer.
354 sw_type << 16 | (u32) maxfrag << 8 | (u32) curfrag);
355 msg->body[1] = cpu_to_le32(swlen);
356 msg->body[2] = cpu_to_le32(kxfer.sw_id);
357 msg->body[3] = cpu_to_le32(0xD0000000 | fragsize);
358 msg->body[4] = cpu_to_le32(buffer.phys);
360 osm_debug("swul frag %d/%d (size %d)\n", curfrag, maxfrag, fragsize);
361 status = i2o_msg_post_wait_mem(c, msg, 60, &buffer);
363 if (status != I2O_POST_WAIT_OK) {
364 if (status != -ETIMEDOUT)
365 i2o_dma_free(&c->pdev->dev, &buffer);
367 osm_info("swul failed, DetailedStatus = %d\n", status);
371 if (copy_to_user(kxfer.buf, buffer.virt, fragsize))
374 i2o_dma_free(&c->pdev->dev, &buffer);
383 static int i2o_cfg_swdel(unsigned long arg)
385 struct i2o_controller *c;
386 struct i2o_sw_xfer kxfer;
387 struct i2o_sw_xfer __user *pxfer = (struct i2o_sw_xfer __user *)arg;
388 struct i2o_message *msg;
392 if (copy_from_user(&kxfer, pxfer, sizeof(struct i2o_sw_xfer)))
395 if (get_user(swlen, kxfer.swlen) < 0)
398 c = i2o_find_iop(kxfer.iop);
402 msg = i2o_msg_get_wait(c, I2O_TIMEOUT_MESSAGE_GET);
406 msg->u.head[0] = cpu_to_le32(SEVEN_WORD_MSG_SIZE | SGL_OFFSET_0);
408 cpu_to_le32(I2O_CMD_SW_REMOVE << 24 | HOST_TID << 12 | ADAPTER_TID);
409 msg->u.head[2] = cpu_to_le32(i2o_config_driver.context);
410 msg->u.head[3] = cpu_to_le32(0);
412 cpu_to_le32((u32) kxfer.flags << 24 | (u32) kxfer.sw_type << 16);
413 msg->body[1] = cpu_to_le32(swlen);
414 msg->body[2] = cpu_to_le32(kxfer.sw_id);
416 token = i2o_msg_post_wait(c, msg, 10);
418 if (token != I2O_POST_WAIT_OK) {
419 osm_info("swdel failed, DetailedStatus = %d\n", token);
426 static int i2o_cfg_validate(unsigned long arg)
430 struct i2o_message *msg;
431 struct i2o_controller *c;
433 c = i2o_find_iop(iop);
437 msg = i2o_msg_get_wait(c, I2O_TIMEOUT_MESSAGE_GET);
441 msg->u.head[0] = cpu_to_le32(FOUR_WORD_MSG_SIZE | SGL_OFFSET_0);
443 cpu_to_le32(I2O_CMD_CONFIG_VALIDATE << 24 | HOST_TID << 12 | iop);
444 msg->u.head[2] = cpu_to_le32(i2o_config_driver.context);
445 msg->u.head[3] = cpu_to_le32(0);
447 token = i2o_msg_post_wait(c, msg, 10);
449 if (token != I2O_POST_WAIT_OK) {
450 osm_info("Can't validate configuration, ErrorStatus = %d\n",
458 static int i2o_cfg_evt_reg(unsigned long arg, struct file *fp)
460 struct i2o_message *msg;
461 struct i2o_evt_id __user *pdesc = (struct i2o_evt_id __user *)arg;
462 struct i2o_evt_id kdesc;
463 struct i2o_controller *c;
464 struct i2o_device *d;
466 if (copy_from_user(&kdesc, pdesc, sizeof(struct i2o_evt_id)))
470 c = i2o_find_iop(kdesc.iop);
475 d = i2o_iop_find_device(c, kdesc.tid);
479 msg = i2o_msg_get_wait(c, I2O_TIMEOUT_MESSAGE_GET);
483 msg->u.head[0] = cpu_to_le32(FOUR_WORD_MSG_SIZE | SGL_OFFSET_0);
485 cpu_to_le32(I2O_CMD_UTIL_EVT_REGISTER << 24 | HOST_TID << 12 |
487 msg->u.head[2] = cpu_to_le32(i2o_config_driver.context);
488 msg->u.head[3] = cpu_to_le32(i2o_cntxt_list_add(c, fp->private_data));
489 msg->body[0] = cpu_to_le32(kdesc.evt_mask);
491 i2o_msg_post(c, msg);
496 static int i2o_cfg_evt_get(unsigned long arg, struct file *fp)
498 struct i2o_cfg_info *p = NULL;
499 struct i2o_evt_get __user *uget = (struct i2o_evt_get __user *)arg;
500 struct i2o_evt_get kget;
503 for (p = open_files; p; p = p->next)
504 if (p->q_id == (ulong) fp->private_data)
510 memcpy(&kget.info, &p->event_q[p->q_out], sizeof(struct i2o_evt_info));
511 MODINC(p->q_out, I2O_EVT_Q_LEN);
512 spin_lock_irqsave(&i2o_config_lock, flags);
514 kget.pending = p->q_len;
515 kget.lost = p->q_lost;
516 spin_unlock_irqrestore(&i2o_config_lock, flags);
518 if (copy_to_user(uget, &kget, sizeof(struct i2o_evt_get)))
524 static int i2o_cfg_passthru32(struct file *file, unsigned cmnd,
527 struct i2o_cmd_passthru32 __user *cmd;
528 struct i2o_controller *c;
529 u32 __user *user_msg;
531 u32 __user *user_reply = NULL;
535 struct i2o_dma sg_list[SG_TABLESIZE];
540 i2o_status_block *sb;
541 struct i2o_message *msg;
544 cmd = (struct i2o_cmd_passthru32 __user *)arg;
546 if (get_user(iop, &cmd->iop) || get_user(i, &cmd->msg))
549 user_msg = compat_ptr(i);
551 c = i2o_find_iop(iop);
553 osm_debug("controller %d not found\n", iop);
557 msg = i2o_msg_get_wait(c, I2O_TIMEOUT_MESSAGE_GET);
559 sb = c->status_block.virt;
561 if (get_user(size, &user_msg[0])) {
562 osm_warn("unable to get size!\n");
567 if (size > sb->inbound_frame_size) {
568 osm_warn("size of message > inbound_frame_size");
572 user_reply = &user_msg[size];
574 size <<= 2; // Convert to bytes
576 /* Copy in the user's I2O command */
577 if (copy_from_user(msg, user_msg, size)) {
578 osm_warn("unable to copy user message\n");
581 i2o_dump_message(msg);
583 if (get_user(reply_size, &user_reply[0]) < 0)
589 reply = kzalloc(reply_size, GFP_KERNEL);
591 printk(KERN_WARNING "%s: Could not allocate reply buffer\n",
596 sg_offset = (msg->u.head[0] >> 4) & 0x0f;
598 memset(sg_list, 0, sizeof(sg_list[0]) * SG_TABLESIZE);
600 struct sg_simple_element *sg;
602 if (sg_offset * 4 >= size) {
607 sg = (struct sg_simple_element *)((&msg->u.head[0]) +
610 (size - sg_offset * 4) / sizeof(struct sg_simple_element);
611 if (sg_count > SG_TABLESIZE) {
612 printk(KERN_DEBUG "%s:IOCTL SG List too large (%u)\n",
618 for (i = 0; i < sg_count; i++) {
622 if (!(sg[i].flag_count & 0x10000000
623 /*I2O_SGL_FLAGS_SIMPLE_ADDRESS_ELEMENT */ )) {
625 "%s:Bad SG element %d - not simple (%x)\n",
626 c->name, i, sg[i].flag_count);
630 sg_size = sg[i].flag_count & 0xffffff;
631 p = &(sg_list[sg_index]);
632 /* Allocate memory for the transfer */
634 (&c->pdev->dev, p, sg_size,
635 PCI_DMA_BIDIRECTIONAL)) {
637 "%s: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
638 c->name, sg_size, i, sg_count);
640 goto sg_list_cleanup;
643 /* Copy in the user's SG buffer if necessary */
645 flag_count & 0x04000000 /*I2O_SGL_FLAGS_DIR */ ) {
649 (void __user *)(unsigned long)sg[i].
650 addr_bus, sg_size)) {
652 "%s: Could not copy SG buf %d FROM user\n",
655 goto sg_list_cleanup;
659 sg[i].addr_bus = (u32) p->phys;
663 rcode = i2o_msg_post_wait(c, msg, 60);
665 reply[4] = ((u32) rcode) << 24;
666 goto sg_list_cleanup;
670 u32 msg[I2O_OUTBOUND_MSG_FRAME_SIZE];
671 /* Copy back the Scatter Gather buffers back to user space */
674 struct sg_simple_element *sg;
677 // re-acquire the original message to handle correctly the sg copy operation
678 memset(&msg, 0, I2O_OUTBOUND_MSG_FRAME_SIZE * 4);
679 // get user msg size in u32s
680 if (get_user(size, &user_msg[0])) {
682 goto sg_list_cleanup;
686 /* Copy in the user's I2O command */
687 if (copy_from_user(msg, user_msg, size)) {
689 goto sg_list_cleanup;
692 (size - sg_offset * 4) / sizeof(struct sg_simple_element);
695 sg = (struct sg_simple_element *)(msg + sg_offset);
696 for (j = 0; j < sg_count; j++) {
697 /* Copy out the SG list to user's buffer if necessary */
700 flag_count & 0x4000000 /*I2O_SGL_FLAGS_DIR */ )) {
701 sg_size = sg[j].flag_count & 0xffffff;
704 ((void __user *)(u64) sg[j].addr_bus,
705 sg_list[j].virt, sg_size)) {
707 "%s: Could not copy %p TO user %x\n",
708 c->name, sg_list[j].virt,
711 goto sg_list_cleanup;
718 /* Copy back the reply to user space */
720 // we wrote our own values for context - now restore the user supplied ones
721 if (copy_from_user(reply + 2, user_msg + 2, sizeof(u32) * 2)) {
723 "%s: Could not copy message context FROM user\n",
726 goto sg_list_cleanup;
728 if (copy_to_user(user_reply, reply, reply_size)) {
730 "%s: Could not copy reply TO user\n", c->name);
735 for (i = 0; i < sg_index; i++)
736 i2o_dma_free(&c->pdev->dev, &sg_list[i]);
743 static long i2o_cfg_compat_ioctl(struct file *file, unsigned cmd,
750 ret = i2o_cfg_ioctl(NULL, file, cmd, arg);
753 ret = i2o_cfg_passthru32(file, cmd, arg);
765 #ifdef CONFIG_I2O_EXT_ADAPTEC
766 static int i2o_cfg_passthru(unsigned long arg)
768 struct i2o_cmd_passthru __user *cmd =
769 (struct i2o_cmd_passthru __user *)arg;
770 struct i2o_controller *c;
771 u32 __user *user_msg;
773 u32 __user *user_reply = NULL;
777 void *sg_list[SG_TABLESIZE];
783 i2o_status_block *sb;
784 struct i2o_message *msg;
787 if (get_user(iop, &cmd->iop) || get_user(user_msg, &cmd->msg))
790 c = i2o_find_iop(iop);
792 osm_warn("controller %d not found\n", iop);
796 msg = i2o_msg_get_wait(c, I2O_TIMEOUT_MESSAGE_GET);
798 sb = c->status_block.virt;
800 if (get_user(size, &user_msg[0]))
804 if (size > sb->inbound_frame_size) {
805 osm_warn("size of message > inbound_frame_size");
809 user_reply = &user_msg[size];
811 size <<= 2; // Convert to bytes
813 /* Copy in the user's I2O command */
814 if (copy_from_user(msg, user_msg, size))
817 if (get_user(reply_size, &user_reply[0]) < 0)
823 reply = kzalloc(reply_size, GFP_KERNEL);
825 printk(KERN_WARNING "%s: Could not allocate reply buffer\n",
830 sg_offset = (msg->u.head[0] >> 4) & 0x0f;
832 memset(sg_list, 0, sizeof(sg_list[0]) * SG_TABLESIZE);
834 struct sg_simple_element *sg;
836 if (sg_offset * 4 >= size) {
841 sg = (struct sg_simple_element *)((&msg->u.head[0]) +
844 (size - sg_offset * 4) / sizeof(struct sg_simple_element);
845 if (sg_count > SG_TABLESIZE) {
846 printk(KERN_DEBUG "%s:IOCTL SG List too large (%u)\n",
852 for (i = 0; i < sg_count; i++) {
855 if (!(sg[i].flag_count & 0x10000000
856 /*I2O_SGL_FLAGS_SIMPLE_ADDRESS_ELEMENT */ )) {
858 "%s:Bad SG element %d - not simple (%x)\n",
859 c->name, i, sg[i].flag_count);
861 goto sg_list_cleanup;
863 sg_size = sg[i].flag_count & 0xffffff;
864 /* Allocate memory for the transfer */
865 p = kmalloc(sg_size, GFP_KERNEL);
868 "%s: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
869 c->name, sg_size, i, sg_count);
871 goto sg_list_cleanup;
873 sg_list[sg_index++] = p; // sglist indexed with input frame, not our internal frame.
874 /* Copy in the user's SG buffer if necessary */
876 flag_count & 0x04000000 /*I2O_SGL_FLAGS_DIR */ ) {
879 (p, (void __user *)sg[i].addr_bus,
882 "%s: Could not copy SG buf %d FROM user\n",
885 goto sg_list_cleanup;
889 sg[i].addr_bus = virt_to_bus(p);
893 rcode = i2o_msg_post_wait(c, msg, 60);
895 reply[4] = ((u32) rcode) << 24;
896 goto sg_list_cleanup;
901 /* Copy back the Scatter Gather buffers back to user space */
904 struct sg_simple_element *sg;
907 // re-acquire the original message to handle correctly the sg copy operation
908 memset(&msg, 0, I2O_OUTBOUND_MSG_FRAME_SIZE * 4);
909 // get user msg size in u32s
910 if (get_user(size, &user_msg[0])) {
912 goto sg_list_cleanup;
916 /* Copy in the user's I2O command */
917 if (copy_from_user(msg, user_msg, size)) {
919 goto sg_list_cleanup;
922 (size - sg_offset * 4) / sizeof(struct sg_simple_element);
925 sg = (struct sg_simple_element *)(msg + sg_offset);
926 for (j = 0; j < sg_count; j++) {
927 /* Copy out the SG list to user's buffer if necessary */
930 flag_count & 0x4000000 /*I2O_SGL_FLAGS_DIR */ )) {
931 sg_size = sg[j].flag_count & 0xffffff;
934 ((void __user *)sg[j].addr_bus, sg_list[j],
937 "%s: Could not copy %p TO user %x\n",
941 goto sg_list_cleanup;
948 /* Copy back the reply to user space */
950 // we wrote our own values for context - now restore the user supplied ones
951 if (copy_from_user(reply + 2, user_msg + 2, sizeof(u32) * 2)) {
953 "%s: Could not copy message context FROM user\n",
957 if (copy_to_user(user_reply, reply, reply_size)) {
959 "%s: Could not copy reply TO user\n", c->name);
964 for (i = 0; i < sg_index; i++)
976 static int i2o_cfg_ioctl(struct inode *inode, struct file *fp, unsigned int cmd,
983 ret = i2o_cfg_getiops(arg);
987 ret = i2o_cfg_gethrt(arg);
991 ret = i2o_cfg_getlct(arg);
995 ret = i2o_cfg_parms(arg, I2OPARMSET);
999 ret = i2o_cfg_parms(arg, I2OPARMGET);
1003 ret = i2o_cfg_swdl(arg);
1007 ret = i2o_cfg_swul(arg);
1011 ret = i2o_cfg_swdel(arg);
1015 ret = i2o_cfg_validate(arg);
1019 ret = i2o_cfg_evt_reg(arg, fp);
1023 ret = i2o_cfg_evt_get(arg, fp);
1026 #ifdef CONFIG_I2O_EXT_ADAPTEC
1028 ret = i2o_cfg_passthru(arg);
1033 osm_debug("unknown ioctl called!\n");
1040 static int cfg_open(struct inode *inode, struct file *file)
1042 struct i2o_cfg_info *tmp =
1043 (struct i2o_cfg_info *)kmalloc(sizeof(struct i2o_cfg_info),
1045 unsigned long flags;
1050 file->private_data = (void *)(i2o_cfg_info_id++);
1053 tmp->q_id = (ulong) file->private_data;
1058 tmp->next = open_files;
1060 spin_lock_irqsave(&i2o_config_lock, flags);
1062 spin_unlock_irqrestore(&i2o_config_lock, flags);
1067 static int cfg_fasync(int fd, struct file *fp, int on)
1069 ulong id = (ulong) fp->private_data;
1070 struct i2o_cfg_info *p;
1072 for (p = open_files; p; p = p->next)
1079 return fasync_helper(fd, fp, on, &p->fasync);
1082 static int cfg_release(struct inode *inode, struct file *file)
1084 ulong id = (ulong) file->private_data;
1085 struct i2o_cfg_info *p1, *p2;
1086 unsigned long flags;
1091 spin_lock_irqsave(&i2o_config_lock, flags);
1092 for (p1 = open_files; p1;) {
1093 if (p1->q_id == id) {
1096 cfg_fasync(-1, file, 0);
1098 p2->next = p1->next;
1100 open_files = p1->next;
1108 spin_unlock_irqrestore(&i2o_config_lock, flags);
1114 static struct file_operations config_fops = {
1115 .owner = THIS_MODULE,
1116 .llseek = no_llseek,
1117 .ioctl = i2o_cfg_ioctl,
1118 #ifdef CONFIG_COMPAT
1119 .compat_ioctl = i2o_cfg_compat_ioctl,
1122 .release = cfg_release,
1123 .fasync = cfg_fasync,
1126 static struct miscdevice i2o_miscdev = {
1132 static int __init i2o_config_old_init(void)
1134 spin_lock_init(&i2o_config_lock);
1136 if (misc_register(&i2o_miscdev) < 0) {
1137 osm_err("can't register device.\n");
1144 static void i2o_config_old_exit(void)
1146 misc_deregister(&i2o_miscdev);
1149 MODULE_AUTHOR("Red Hat Software");