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>
39 #define SG_TABLESIZE 30
41 extern int i2o_parm_issue(struct i2o_device *, int, void *, int, void *, int);
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 = (u8 *) 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 = (u8 *) 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 __copy_from_user(buffer.virt, kxfer.buf, fragsize);
270 msg->u.head[0] = cpu_to_le32(NINE_WORD_MSG_SIZE | SGL_OFFSET_7);
272 cpu_to_le32(I2O_CMD_SW_DOWNLOAD << 24 | HOST_TID << 12 |
274 msg->u.head[2] = cpu_to_le32(i2o_config_driver.context);
275 msg->u.head[3] = cpu_to_le32(0);
277 cpu_to_le32((((u32) kxfer.flags) << 24) | (((u32) kxfer.
279 (((u32) maxfrag) << 8) | (((u32) curfrag)));
280 msg->body[1] = cpu_to_le32(swlen);
281 msg->body[2] = cpu_to_le32(kxfer.sw_id);
282 msg->body[3] = cpu_to_le32(0xD0000000 | fragsize);
283 msg->body[4] = cpu_to_le32(buffer.phys);
285 osm_debug("swdl frag %d/%d (size %d)\n", curfrag, maxfrag, fragsize);
286 status = i2o_msg_post_wait_mem(c, msg, 60, &buffer);
288 if (status != -ETIMEDOUT)
289 i2o_dma_free(&c->pdev->dev, &buffer);
291 if (status != I2O_POST_WAIT_OK) {
292 // it fails if you try and send frags out of order
293 // and for some yet unknown reasons too
294 osm_info("swdl failed, DetailedStatus = %d\n", status);
301 static int i2o_cfg_swul(unsigned long arg)
303 struct i2o_sw_xfer kxfer;
304 struct i2o_sw_xfer __user *pxfer = (struct i2o_sw_xfer __user *)arg;
305 unsigned char maxfrag = 0, curfrag = 1;
306 struct i2o_dma buffer;
307 struct i2o_message *msg;
308 unsigned int status = 0, swlen = 0, fragsize = 8192;
309 struct i2o_controller *c;
312 if (copy_from_user(&kxfer, pxfer, sizeof(struct i2o_sw_xfer)))
315 if (get_user(swlen, kxfer.swlen) < 0)
318 if (get_user(maxfrag, kxfer.maxfrag) < 0)
321 if (get_user(curfrag, kxfer.curfrag) < 0)
324 if (curfrag == maxfrag)
325 fragsize = swlen - (maxfrag - 1) * 8192;
330 c = i2o_find_iop(kxfer.iop);
334 msg = i2o_msg_get_wait(c, I2O_TIMEOUT_MESSAGE_GET);
338 if (i2o_dma_alloc(&c->pdev->dev, &buffer, fragsize, GFP_KERNEL)) {
343 msg->u.head[0] = cpu_to_le32(NINE_WORD_MSG_SIZE | SGL_OFFSET_7);
345 cpu_to_le32(I2O_CMD_SW_UPLOAD << 24 | HOST_TID << 12 | ADAPTER_TID);
346 msg->u.head[2] = cpu_to_le32(i2o_config_driver.context);
347 msg->u.head[3] = cpu_to_le32(0);
349 cpu_to_le32((u32) kxfer.flags << 24 | (u32) kxfer.
350 sw_type << 16 | (u32) maxfrag << 8 | (u32) curfrag);
351 msg->body[1] = cpu_to_le32(swlen);
352 msg->body[2] = cpu_to_le32(kxfer.sw_id);
353 msg->body[3] = cpu_to_le32(0xD0000000 | fragsize);
354 msg->body[4] = cpu_to_le32(buffer.phys);
356 osm_debug("swul frag %d/%d (size %d)\n", curfrag, maxfrag, fragsize);
357 status = i2o_msg_post_wait_mem(c, msg, 60, &buffer);
359 if (status != I2O_POST_WAIT_OK) {
360 if (status != -ETIMEDOUT)
361 i2o_dma_free(&c->pdev->dev, &buffer);
363 osm_info("swul failed, DetailedStatus = %d\n", status);
367 if (copy_to_user(kxfer.buf, buffer.virt, fragsize))
370 i2o_dma_free(&c->pdev->dev, &buffer);
379 static int i2o_cfg_swdel(unsigned long arg)
381 struct i2o_controller *c;
382 struct i2o_sw_xfer kxfer;
383 struct i2o_sw_xfer __user *pxfer = (struct i2o_sw_xfer __user *)arg;
384 struct i2o_message *msg;
388 if (copy_from_user(&kxfer, pxfer, sizeof(struct i2o_sw_xfer)))
391 if (get_user(swlen, kxfer.swlen) < 0)
394 c = i2o_find_iop(kxfer.iop);
398 msg = i2o_msg_get_wait(c, I2O_TIMEOUT_MESSAGE_GET);
402 msg->u.head[0] = cpu_to_le32(SEVEN_WORD_MSG_SIZE | SGL_OFFSET_0);
404 cpu_to_le32(I2O_CMD_SW_REMOVE << 24 | HOST_TID << 12 | ADAPTER_TID);
405 msg->u.head[2] = cpu_to_le32(i2o_config_driver.context);
406 msg->u.head[3] = cpu_to_le32(0);
408 cpu_to_le32((u32) kxfer.flags << 24 | (u32) kxfer.sw_type << 16);
409 msg->body[1] = cpu_to_le32(swlen);
410 msg->body[2] = cpu_to_le32(kxfer.sw_id);
412 token = i2o_msg_post_wait(c, msg, 10);
414 if (token != I2O_POST_WAIT_OK) {
415 osm_info("swdel failed, DetailedStatus = %d\n", token);
422 static int i2o_cfg_validate(unsigned long arg)
426 struct i2o_message *msg;
427 struct i2o_controller *c;
429 c = i2o_find_iop(iop);
433 msg = i2o_msg_get_wait(c, I2O_TIMEOUT_MESSAGE_GET);
437 msg->u.head[0] = cpu_to_le32(FOUR_WORD_MSG_SIZE | SGL_OFFSET_0);
439 cpu_to_le32(I2O_CMD_CONFIG_VALIDATE << 24 | HOST_TID << 12 | iop);
440 msg->u.head[2] = cpu_to_le32(i2o_config_driver.context);
441 msg->u.head[3] = cpu_to_le32(0);
443 token = i2o_msg_post_wait(c, msg, 10);
445 if (token != I2O_POST_WAIT_OK) {
446 osm_info("Can't validate configuration, ErrorStatus = %d\n",
454 static int i2o_cfg_evt_reg(unsigned long arg, struct file *fp)
456 struct i2o_message *msg;
457 struct i2o_evt_id __user *pdesc = (struct i2o_evt_id __user *)arg;
458 struct i2o_evt_id kdesc;
459 struct i2o_controller *c;
460 struct i2o_device *d;
462 if (copy_from_user(&kdesc, pdesc, sizeof(struct i2o_evt_id)))
466 c = i2o_find_iop(kdesc.iop);
471 d = i2o_iop_find_device(c, kdesc.tid);
475 msg = i2o_msg_get_wait(c, I2O_TIMEOUT_MESSAGE_GET);
479 msg->u.head[0] = cpu_to_le32(FOUR_WORD_MSG_SIZE | SGL_OFFSET_0);
481 cpu_to_le32(I2O_CMD_UTIL_EVT_REGISTER << 24 | HOST_TID << 12 |
483 msg->u.head[2] = cpu_to_le32(i2o_config_driver.context);
484 msg->u.head[3] = cpu_to_le32(i2o_cntxt_list_add(c, fp->private_data));
485 msg->body[0] = cpu_to_le32(kdesc.evt_mask);
487 i2o_msg_post(c, msg);
492 static int i2o_cfg_evt_get(unsigned long arg, struct file *fp)
494 struct i2o_cfg_info *p = NULL;
495 struct i2o_evt_get __user *uget = (struct i2o_evt_get __user *)arg;
496 struct i2o_evt_get kget;
499 for (p = open_files; p; p = p->next)
500 if (p->q_id == (ulong) fp->private_data)
506 memcpy(&kget.info, &p->event_q[p->q_out], sizeof(struct i2o_evt_info));
507 MODINC(p->q_out, I2O_EVT_Q_LEN);
508 spin_lock_irqsave(&i2o_config_lock, flags);
510 kget.pending = p->q_len;
511 kget.lost = p->q_lost;
512 spin_unlock_irqrestore(&i2o_config_lock, flags);
514 if (copy_to_user(uget, &kget, sizeof(struct i2o_evt_get)))
519 #ifdef CONFIG_I2O_EXT_ADAPTEC
521 static int i2o_cfg_passthru32(struct file *file, unsigned cmnd,
524 struct i2o_cmd_passthru32 __user *cmd;
525 struct i2o_controller *c;
526 u32 __user *user_msg;
528 u32 __user *user_reply = NULL;
532 struct i2o_dma sg_list[SG_TABLESIZE];
537 i2o_status_block *sb;
538 struct i2o_message *msg;
541 cmd = (struct i2o_cmd_passthru32 __user *)arg;
543 if (get_user(iop, &cmd->iop) || get_user(i, &cmd->msg))
546 user_msg = compat_ptr(i);
548 c = i2o_find_iop(iop);
550 osm_debug("controller %d not found\n", iop);
554 msg = i2o_msg_get_wait(c, I2O_TIMEOUT_MESSAGE_GET);
556 sb = c->status_block.virt;
558 if (get_user(size, &user_msg[0])) {
559 osm_warn("unable to get size!\n");
564 if (size > sb->inbound_frame_size) {
565 osm_warn("size of message > inbound_frame_size");
569 user_reply = &user_msg[size];
571 size <<= 2; // Convert to bytes
573 /* Copy in the user's I2O command */
574 if (copy_from_user(msg, user_msg, size)) {
575 osm_warn("unable to copy user message\n");
578 i2o_dump_message(msg);
580 if (get_user(reply_size, &user_reply[0]) < 0)
586 reply = kzalloc(reply_size, GFP_KERNEL);
588 printk(KERN_WARNING "%s: Could not allocate reply buffer\n",
593 sg_offset = (msg->u.head[0] >> 4) & 0x0f;
595 memset(sg_list, 0, sizeof(sg_list[0]) * SG_TABLESIZE);
597 struct sg_simple_element *sg;
599 if (sg_offset * 4 >= size) {
604 sg = (struct sg_simple_element *)((&msg->u.head[0]) +
607 (size - sg_offset * 4) / sizeof(struct sg_simple_element);
608 if (sg_count > SG_TABLESIZE) {
609 printk(KERN_DEBUG "%s:IOCTL SG List too large (%u)\n",
615 for (i = 0; i < sg_count; i++) {
619 if (!(sg[i].flag_count & 0x10000000
620 /*I2O_SGL_FLAGS_SIMPLE_ADDRESS_ELEMENT */ )) {
622 "%s:Bad SG element %d - not simple (%x)\n",
623 c->name, i, sg[i].flag_count);
627 sg_size = sg[i].flag_count & 0xffffff;
628 p = &(sg_list[sg_index]);
629 /* Allocate memory for the transfer */
631 (&c->pdev->dev, p, sg_size,
632 PCI_DMA_BIDIRECTIONAL)) {
634 "%s: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
635 c->name, sg_size, i, sg_count);
637 goto sg_list_cleanup;
640 /* Copy in the user's SG buffer if necessary */
642 flag_count & 0x04000000 /*I2O_SGL_FLAGS_DIR */ ) {
646 (void __user *)(unsigned long)sg[i].
647 addr_bus, sg_size)) {
649 "%s: Could not copy SG buf %d FROM user\n",
652 goto sg_list_cleanup;
656 sg[i].addr_bus = (u32) p->phys;
660 rcode = i2o_msg_post_wait(c, msg, 60);
662 reply[4] = ((u32) rcode) << 24;
663 goto sg_list_cleanup;
667 u32 msg[I2O_OUTBOUND_MSG_FRAME_SIZE];
668 /* Copy back the Scatter Gather buffers back to user space */
671 struct sg_simple_element *sg;
674 // re-acquire the original message to handle correctly the sg copy operation
675 memset(&msg, 0, I2O_OUTBOUND_MSG_FRAME_SIZE * 4);
676 // get user msg size in u32s
677 if (get_user(size, &user_msg[0])) {
679 goto sg_list_cleanup;
683 /* Copy in the user's I2O command */
684 if (copy_from_user(msg, user_msg, size)) {
686 goto sg_list_cleanup;
689 (size - sg_offset * 4) / sizeof(struct sg_simple_element);
692 sg = (struct sg_simple_element *)(msg + sg_offset);
693 for (j = 0; j < sg_count; j++) {
694 /* Copy out the SG list to user's buffer if necessary */
697 flag_count & 0x4000000 /*I2O_SGL_FLAGS_DIR */ )) {
698 sg_size = sg[j].flag_count & 0xffffff;
701 ((void __user *)(u64) sg[j].addr_bus,
702 sg_list[j].virt, sg_size)) {
704 "%s: Could not copy %p TO user %x\n",
705 c->name, sg_list[j].virt,
708 goto sg_list_cleanup;
715 /* Copy back the reply to user space */
717 // we wrote our own values for context - now restore the user supplied ones
718 if (copy_from_user(reply + 2, user_msg + 2, sizeof(u32) * 2)) {
720 "%s: Could not copy message context FROM user\n",
723 goto sg_list_cleanup;
725 if (copy_to_user(user_reply, reply, reply_size)) {
727 "%s: Could not copy reply TO user\n", c->name);
732 for (i = 0; i < sg_index; i++)
733 i2o_dma_free(&c->pdev->dev, &sg_list[i]);
740 static long i2o_cfg_compat_ioctl(struct file *file, unsigned cmd,
747 ret = i2o_cfg_ioctl(NULL, file, cmd, arg);
750 ret = i2o_cfg_passthru32(file, cmd, arg);
762 static int i2o_cfg_passthru(unsigned long arg)
764 struct i2o_cmd_passthru __user *cmd =
765 (struct i2o_cmd_passthru __user *)arg;
766 struct i2o_controller *c;
767 u32 __user *user_msg;
769 u32 __user *user_reply = NULL;
773 void *sg_list[SG_TABLESIZE];
779 i2o_status_block *sb;
780 struct i2o_message *msg;
783 if (get_user(iop, &cmd->iop) || get_user(user_msg, &cmd->msg))
786 c = i2o_find_iop(iop);
788 osm_warn("controller %d not found\n", iop);
792 msg = i2o_msg_get_wait(c, I2O_TIMEOUT_MESSAGE_GET);
794 sb = c->status_block.virt;
796 if (get_user(size, &user_msg[0]))
800 if (size > sb->inbound_frame_size) {
801 osm_warn("size of message > inbound_frame_size");
805 user_reply = &user_msg[size];
807 size <<= 2; // Convert to bytes
809 /* Copy in the user's I2O command */
810 if (copy_from_user(msg, user_msg, size))
813 if (get_user(reply_size, &user_reply[0]) < 0)
819 reply = kzalloc(reply_size, GFP_KERNEL);
821 printk(KERN_WARNING "%s: Could not allocate reply buffer\n",
826 sg_offset = (msg->u.head[0] >> 4) & 0x0f;
828 memset(sg_list, 0, sizeof(sg_list[0]) * SG_TABLESIZE);
830 struct sg_simple_element *sg;
832 if (sg_offset * 4 >= size) {
837 sg = (struct sg_simple_element *)((&msg->u.head[0]) +
840 (size - sg_offset * 4) / sizeof(struct sg_simple_element);
841 if (sg_count > SG_TABLESIZE) {
842 printk(KERN_DEBUG "%s:IOCTL SG List too large (%u)\n",
848 for (i = 0; i < sg_count; i++) {
851 if (!(sg[i].flag_count & 0x10000000
852 /*I2O_SGL_FLAGS_SIMPLE_ADDRESS_ELEMENT */ )) {
854 "%s:Bad SG element %d - not simple (%x)\n",
855 c->name, i, sg[i].flag_count);
857 goto sg_list_cleanup;
859 sg_size = sg[i].flag_count & 0xffffff;
860 /* Allocate memory for the transfer */
861 p = kmalloc(sg_size, GFP_KERNEL);
864 "%s: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
865 c->name, sg_size, i, sg_count);
867 goto sg_list_cleanup;
869 sg_list[sg_index++] = p; // sglist indexed with input frame, not our internal frame.
870 /* Copy in the user's SG buffer if necessary */
872 flag_count & 0x04000000 /*I2O_SGL_FLAGS_DIR */ ) {
875 (p, (void __user *)sg[i].addr_bus,
878 "%s: Could not copy SG buf %d FROM user\n",
881 goto sg_list_cleanup;
885 sg[i].addr_bus = virt_to_bus(p);
889 rcode = i2o_msg_post_wait(c, msg, 60);
891 reply[4] = ((u32) rcode) << 24;
892 goto sg_list_cleanup;
897 /* Copy back the Scatter Gather buffers back to user space */
900 struct sg_simple_element *sg;
903 // re-acquire the original message to handle correctly the sg copy operation
904 memset(&msg, 0, I2O_OUTBOUND_MSG_FRAME_SIZE * 4);
905 // get user msg size in u32s
906 if (get_user(size, &user_msg[0])) {
908 goto sg_list_cleanup;
912 /* Copy in the user's I2O command */
913 if (copy_from_user(msg, user_msg, size)) {
915 goto sg_list_cleanup;
918 (size - sg_offset * 4) / sizeof(struct sg_simple_element);
921 sg = (struct sg_simple_element *)(msg + sg_offset);
922 for (j = 0; j < sg_count; j++) {
923 /* Copy out the SG list to user's buffer if necessary */
926 flag_count & 0x4000000 /*I2O_SGL_FLAGS_DIR */ )) {
927 sg_size = sg[j].flag_count & 0xffffff;
930 ((void __user *)sg[j].addr_bus, sg_list[j],
933 "%s: Could not copy %p TO user %x\n",
937 goto sg_list_cleanup;
944 /* Copy back the reply to user space */
946 // we wrote our own values for context - now restore the user supplied ones
947 if (copy_from_user(reply + 2, user_msg + 2, sizeof(u32) * 2)) {
949 "%s: Could not copy message context FROM user\n",
953 if (copy_to_user(user_reply, reply, reply_size)) {
955 "%s: Could not copy reply TO user\n", c->name);
960 for (i = 0; i < sg_index; i++)
972 static int i2o_cfg_ioctl(struct inode *inode, struct file *fp, unsigned int cmd,
979 ret = i2o_cfg_getiops(arg);
983 ret = i2o_cfg_gethrt(arg);
987 ret = i2o_cfg_getlct(arg);
991 ret = i2o_cfg_parms(arg, I2OPARMSET);
995 ret = i2o_cfg_parms(arg, I2OPARMGET);
999 ret = i2o_cfg_swdl(arg);
1003 ret = i2o_cfg_swul(arg);
1007 ret = i2o_cfg_swdel(arg);
1011 ret = i2o_cfg_validate(arg);
1015 ret = i2o_cfg_evt_reg(arg, fp);
1019 ret = i2o_cfg_evt_get(arg, fp);
1022 #ifdef CONFIG_I2O_EXT_ADAPTEC
1024 ret = i2o_cfg_passthru(arg);
1029 osm_debug("unknown ioctl called!\n");
1036 static int cfg_open(struct inode *inode, struct file *file)
1038 struct i2o_cfg_info *tmp =
1039 (struct i2o_cfg_info *)kmalloc(sizeof(struct i2o_cfg_info),
1041 unsigned long flags;
1046 file->private_data = (void *)(i2o_cfg_info_id++);
1049 tmp->q_id = (ulong) file->private_data;
1054 tmp->next = open_files;
1056 spin_lock_irqsave(&i2o_config_lock, flags);
1058 spin_unlock_irqrestore(&i2o_config_lock, flags);
1063 static int cfg_fasync(int fd, struct file *fp, int on)
1065 ulong id = (ulong) fp->private_data;
1066 struct i2o_cfg_info *p;
1068 for (p = open_files; p; p = p->next)
1075 return fasync_helper(fd, fp, on, &p->fasync);
1078 static int cfg_release(struct inode *inode, struct file *file)
1080 ulong id = (ulong) file->private_data;
1081 struct i2o_cfg_info *p1, *p2;
1082 unsigned long flags;
1087 spin_lock_irqsave(&i2o_config_lock, flags);
1088 for (p1 = open_files; p1;) {
1089 if (p1->q_id == id) {
1092 cfg_fasync(-1, file, 0);
1094 p2->next = p1->next;
1096 open_files = p1->next;
1104 spin_unlock_irqrestore(&i2o_config_lock, flags);
1110 static struct file_operations config_fops = {
1111 .owner = THIS_MODULE,
1112 .llseek = no_llseek,
1113 .ioctl = i2o_cfg_ioctl,
1114 #ifdef CONFIG_COMPAT
1115 .compat_ioctl = i2o_cfg_compat_ioctl,
1118 .release = cfg_release,
1119 .fasync = cfg_fasync,
1122 static struct miscdevice i2o_miscdev = {
1128 static int __init i2o_config_old_init(void)
1130 spin_lock_init(&i2o_config_lock);
1132 if (misc_register(&i2o_miscdev) < 0) {
1133 osm_err("can't register device.\n");
1140 static void i2o_config_old_exit(void)
1142 misc_deregister(&i2o_miscdev);
1145 MODULE_AUTHOR("Red Hat Software");