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path: root/fs/xfs/xfs_log_recover.c
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-rw-r--r--fs/xfs/xfs_log_recover.c253
1 files changed, 156 insertions, 97 deletions
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index c1a514ffff55..d9b906d75dfa 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -471,7 +471,7 @@ xlog_find_verify_log_record(
xfs_warn(log->l_mp,
"Log inconsistent (didn't find previous header)");
ASSERT(0);
- error = -EIO;
+ error = -EFSCORRUPTED;
goto out;
}
@@ -1347,10 +1347,11 @@ xlog_find_tail(
error = xlog_rseek_logrec_hdr(log, *head_blk, *head_blk, 1, buffer,
&rhead_blk, &rhead, &wrapped);
if (error < 0)
- return error;
+ goto done;
if (!error) {
xfs_warn(log->l_mp, "%s: couldn't find sync record", __func__);
- return -EIO;
+ error = -EFSCORRUPTED;
+ goto done;
}
*tail_blk = BLOCK_LSN(be64_to_cpu(rhead->h_tail_lsn));
@@ -2205,6 +2206,8 @@ xlog_recover_get_buf_lsn(
case XFS_ABTC_MAGIC:
case XFS_RMAP_CRC_MAGIC:
case XFS_REFC_CRC_MAGIC:
+ case XFS_FIBT_CRC_MAGIC:
+ case XFS_FIBT_MAGIC:
case XFS_IBT_CRC_MAGIC:
case XFS_IBT_MAGIC: {
struct xfs_btree_block *btb = blk;
@@ -2576,6 +2579,7 @@ xlog_recover_do_reg_buffer(
int bit;
int nbits;
xfs_failaddr_t fa;
+ const size_t size_disk_dquot = sizeof(struct xfs_disk_dquot);
trace_xfs_log_recover_buf_reg_buf(mp->m_log, buf_f);
@@ -2618,7 +2622,7 @@ xlog_recover_do_reg_buffer(
"XFS: NULL dquot in %s.", __func__);
goto next;
}
- if (item->ri_buf[i].i_len < sizeof(xfs_disk_dquot_t)) {
+ if (item->ri_buf[i].i_len < size_disk_dquot) {
xfs_alert(mp,
"XFS: dquot too small (%d) in %s.",
item->ri_buf[i].i_len, __func__);
@@ -2779,6 +2783,16 @@ xlog_recover_buffer_pass2(
if (lsn && lsn != -1 && XFS_LSN_CMP(lsn, current_lsn) >= 0) {
trace_xfs_log_recover_buf_skip(log, buf_f);
xlog_recover_validate_buf_type(mp, bp, buf_f, NULLCOMMITLSN);
+
+ /*
+ * We're skipping replay of this buffer log item due to the log
+ * item LSN being behind the ondisk buffer. Verify the buffer
+ * contents since we aren't going to run the write verifier.
+ */
+ if (bp->b_ops) {
+ bp->b_ops->verify_read(bp);
+ error = bp->b_error;
+ }
goto out_release;
}
@@ -2875,8 +2889,8 @@ xfs_recover_inode_owner_change(
return -ENOMEM;
/* instantiate the inode */
+ ASSERT(dip->di_version >= 3);
xfs_inode_from_disk(ip, dip);
- ASSERT(ip->i_d.di_version >= 3);
error = xfs_iformat_fork(ip, dip);
if (error)
@@ -3014,7 +3028,7 @@ xlog_recover_inode_pass2(
* superblock flag to determine whether we need to look at di_flushiter
* to skip replay when the on disk inode is newer than the log one
*/
- if (!xfs_sb_version_hascrc(&mp->m_sb) &&
+ if (!xfs_sb_version_has_v3inode(&mp->m_sb) &&
ldip->di_flushiter < be16_to_cpu(dip->di_flushiter)) {
/*
* Deal with the wrap case, DI_MAX_FLUSH is less
@@ -3085,7 +3099,7 @@ xlog_recover_inode_pass2(
error = -EFSCORRUPTED;
goto out_release;
}
- isize = xfs_log_dinode_size(ldip->di_version);
+ isize = xfs_log_dinode_size(mp);
if (unlikely(item->ri_buf[1].i_len > isize)) {
XFS_CORRUPTION_ERROR("xlog_recover_inode_pass2(7)",
XFS_ERRLEVEL_LOW, mp, ldip,
@@ -3166,7 +3180,7 @@ xlog_recover_inode_pass2(
default:
xfs_warn(log->l_mp, "%s: Invalid flag", __func__);
ASSERT(0);
- error = -EIO;
+ error = -EFSCORRUPTED;
goto out_release;
}
}
@@ -3247,12 +3261,12 @@ xlog_recover_dquot_pass2(
recddq = item->ri_buf[1].i_addr;
if (recddq == NULL) {
xfs_alert(log->l_mp, "NULL dquot in %s.", __func__);
- return -EIO;
+ return -EFSCORRUPTED;
}
- if (item->ri_buf[1].i_len < sizeof(xfs_disk_dquot_t)) {
+ if (item->ri_buf[1].i_len < sizeof(struct xfs_disk_dquot)) {
xfs_alert(log->l_mp, "dquot too small (%d) in %s.",
item->ri_buf[1].i_len, __func__);
- return -EIO;
+ return -EFSCORRUPTED;
}
/*
@@ -3279,7 +3293,7 @@ xlog_recover_dquot_pass2(
if (fa) {
xfs_alert(mp, "corrupt dquot ID 0x%x in log at %pS",
dq_f->qlf_id, fa);
- return -EIO;
+ return -EFSCORRUPTED;
}
ASSERT(dq_f->qlf_len == 1);
@@ -3382,7 +3396,7 @@ xlog_recover_efd_pass2(
struct xlog_recover_item *item)
{
xfs_efd_log_format_t *efd_formatp;
- xfs_efi_log_item_t *efip = NULL;
+ struct xfs_efi_log_item *efip = NULL;
struct xfs_log_item *lip;
uint64_t efi_id;
struct xfs_ail_cursor cur;
@@ -3403,7 +3417,7 @@ xlog_recover_efd_pass2(
lip = xfs_trans_ail_cursor_first(ailp, &cur, 0);
while (lip != NULL) {
if (lip->li_type == XFS_LI_EFI) {
- efip = (xfs_efi_log_item_t *)lip;
+ efip = (struct xfs_efi_log_item *)lip;
if (efip->efi_format.efi_id == efi_id) {
/*
* Drop the EFD reference to the EFI. This
@@ -3537,6 +3551,7 @@ xfs_cui_copy_format(
memcpy(dst_cui_fmt, src_cui_fmt, len);
return 0;
}
+ XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, NULL);
return -EFSCORRUPTED;
}
@@ -3601,8 +3616,10 @@ xlog_recover_cud_pass2(
struct xfs_ail *ailp = log->l_ailp;
cud_formatp = item->ri_buf[0].i_addr;
- if (item->ri_buf[0].i_len != sizeof(struct xfs_cud_log_format))
+ if (item->ri_buf[0].i_len != sizeof(struct xfs_cud_log_format)) {
+ XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, log->l_mp);
return -EFSCORRUPTED;
+ }
cui_id = cud_formatp->cud_cui_id;
/*
@@ -3654,6 +3671,7 @@ xfs_bui_copy_format(
memcpy(dst_bui_fmt, src_bui_fmt, len);
return 0;
}
+ XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, NULL);
return -EFSCORRUPTED;
}
@@ -3677,8 +3695,10 @@ xlog_recover_bui_pass2(
bui_formatp = item->ri_buf[0].i_addr;
- if (bui_formatp->bui_nextents != XFS_BUI_MAX_FAST_EXTENTS)
+ if (bui_formatp->bui_nextents != XFS_BUI_MAX_FAST_EXTENTS) {
+ XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, log->l_mp);
return -EFSCORRUPTED;
+ }
buip = xfs_bui_init(mp);
error = xfs_bui_copy_format(&item->ri_buf[0], &buip->bui_format);
if (error) {
@@ -3720,8 +3740,10 @@ xlog_recover_bud_pass2(
struct xfs_ail *ailp = log->l_ailp;
bud_formatp = item->ri_buf[0].i_addr;
- if (item->ri_buf[0].i_len != sizeof(struct xfs_bud_log_format))
+ if (item->ri_buf[0].i_len != sizeof(struct xfs_bud_log_format)) {
+ XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, log->l_mp);
return -EFSCORRUPTED;
+ }
bui_id = bud_formatp->bud_bui_id;
/*
@@ -4018,7 +4040,7 @@ xlog_recover_commit_pass1(
xfs_warn(log->l_mp, "%s: invalid item type (%d)",
__func__, ITEM_TYPE(item));
ASSERT(0);
- return -EIO;
+ return -EFSCORRUPTED;
}
}
@@ -4066,7 +4088,7 @@ xlog_recover_commit_pass2(
xfs_warn(log->l_mp, "%s: invalid item type (%d)",
__func__, ITEM_TYPE(item));
ASSERT(0);
- return -EIO;
+ return -EFSCORRUPTED;
}
}
@@ -4187,7 +4209,7 @@ xlog_recover_add_to_cont_trans(
ASSERT(len <= sizeof(struct xfs_trans_header));
if (len > sizeof(struct xfs_trans_header)) {
xfs_warn(log->l_mp, "%s: bad header length", __func__);
- return -EIO;
+ return -EFSCORRUPTED;
}
xlog_recover_add_item(&trans->r_itemq);
@@ -4243,13 +4265,13 @@ xlog_recover_add_to_trans(
xfs_warn(log->l_mp, "%s: bad header magic number",
__func__);
ASSERT(0);
- return -EIO;
+ return -EFSCORRUPTED;
}
if (len > sizeof(struct xfs_trans_header)) {
xfs_warn(log->l_mp, "%s: bad header length", __func__);
ASSERT(0);
- return -EIO;
+ return -EFSCORRUPTED;
}
/*
@@ -4285,7 +4307,7 @@ xlog_recover_add_to_trans(
in_f->ilf_size);
ASSERT(0);
kmem_free(ptr);
- return -EIO;
+ return -EFSCORRUPTED;
}
item->ri_total = in_f->ilf_size;
@@ -4293,7 +4315,16 @@ xlog_recover_add_to_trans(
kmem_zalloc(item->ri_total * sizeof(xfs_log_iovec_t),
0);
}
- ASSERT(item->ri_total > item->ri_cnt);
+
+ if (item->ri_total <= item->ri_cnt) {
+ xfs_warn(log->l_mp,
+ "log item region count (%d) overflowed size (%d)",
+ item->ri_cnt, item->ri_total);
+ ASSERT(0);
+ kmem_free(ptr);
+ return -EFSCORRUPTED;
+ }
+
/* Description region is ri_buf[0] */
item->ri_buf[item->ri_cnt].i_addr = ptr;
item->ri_buf[item->ri_cnt].i_len = len;
@@ -4380,7 +4411,7 @@ xlog_recovery_process_trans(
default:
xfs_warn(log->l_mp, "%s: bad flag 0x%x", __func__, flags);
ASSERT(0);
- error = -EIO;
+ error = -EFSCORRUPTED;
break;
}
if (error || freeit)
@@ -4460,7 +4491,7 @@ xlog_recover_process_ophdr(
xfs_warn(log->l_mp, "%s: bad clientid 0x%x",
__func__, ohead->oh_clientid);
ASSERT(0);
- return -EIO;
+ return -EFSCORRUPTED;
}
/*
@@ -4470,7 +4501,7 @@ xlog_recover_process_ophdr(
if (dp + len > end) {
xfs_warn(log->l_mp, "%s: bad length 0x%x", __func__, len);
WARN_ON(1);
- return -EIO;
+ return -EFSCORRUPTED;
}
trans = xlog_recover_ophdr_to_trans(rhash, rhead, ohead);
@@ -4566,9 +4597,9 @@ xlog_recover_process_data(
/* Recover the EFI if necessary. */
STATIC int
xlog_recover_process_efi(
- struct xfs_mount *mp,
struct xfs_ail *ailp,
- struct xfs_log_item *lip)
+ struct xfs_log_item *lip,
+ struct list_head *capture_list)
{
struct xfs_efi_log_item *efip;
int error;
@@ -4581,7 +4612,7 @@ xlog_recover_process_efi(
return 0;
spin_unlock(&ailp->ail_lock);
- error = xfs_efi_recover(mp, efip);
+ error = xfs_efi_recover(efip, capture_list);
spin_lock(&ailp->ail_lock);
return error;
@@ -4606,9 +4637,9 @@ xlog_recover_cancel_efi(
/* Recover the RUI if necessary. */
STATIC int
xlog_recover_process_rui(
- struct xfs_mount *mp,
struct xfs_ail *ailp,
- struct xfs_log_item *lip)
+ struct xfs_log_item *lip,
+ struct list_head *capture_list)
{
struct xfs_rui_log_item *ruip;
int error;
@@ -4621,7 +4652,7 @@ xlog_recover_process_rui(
return 0;
spin_unlock(&ailp->ail_lock);
- error = xfs_rui_recover(mp, ruip);
+ error = xfs_rui_recover(ruip, capture_list);
spin_lock(&ailp->ail_lock);
return error;
@@ -4646,9 +4677,9 @@ xlog_recover_cancel_rui(
/* Recover the CUI if necessary. */
STATIC int
xlog_recover_process_cui(
- struct xfs_trans *parent_tp,
struct xfs_ail *ailp,
- struct xfs_log_item *lip)
+ struct xfs_log_item *lip,
+ struct list_head *capture_list)
{
struct xfs_cui_log_item *cuip;
int error;
@@ -4661,7 +4692,7 @@ xlog_recover_process_cui(
return 0;
spin_unlock(&ailp->ail_lock);
- error = xfs_cui_recover(parent_tp, cuip);
+ error = xfs_cui_recover(cuip, capture_list);
spin_lock(&ailp->ail_lock);
return error;
@@ -4686,9 +4717,9 @@ xlog_recover_cancel_cui(
/* Recover the BUI if necessary. */
STATIC int
xlog_recover_process_bui(
- struct xfs_trans *parent_tp,
struct xfs_ail *ailp,
- struct xfs_log_item *lip)
+ struct xfs_log_item *lip,
+ struct list_head *capture_list)
{
struct xfs_bui_log_item *buip;
int error;
@@ -4701,7 +4732,7 @@ xlog_recover_process_bui(
return 0;
spin_unlock(&ailp->ail_lock);
- error = xfs_bui_recover(parent_tp, buip);
+ error = xfs_bui_recover(buip, capture_list);
spin_lock(&ailp->ail_lock);
return error;
@@ -4740,37 +4771,66 @@ static inline bool xlog_item_is_intent(struct xfs_log_item *lip)
/* Take all the collected deferred ops and finish them in order. */
static int
xlog_finish_defer_ops(
- struct xfs_trans *parent_tp)
+ struct xfs_mount *mp,
+ struct list_head *capture_list)
{
- struct xfs_mount *mp = parent_tp->t_mountp;
+ struct xfs_defer_capture *dfc, *next;
struct xfs_trans *tp;
- int64_t freeblks;
- uint resblks;
- int error;
+ struct xfs_inode *ip;
+ int error = 0;
- /*
- * We're finishing the defer_ops that accumulated as a result of
- * recovering unfinished intent items during log recovery. We
- * reserve an itruncate transaction because it is the largest
- * permanent transaction type. Since we're the only user of the fs
- * right now, take 93% (15/16) of the available free blocks. Use
- * weird math to avoid a 64-bit division.
- */
- freeblks = percpu_counter_sum(&mp->m_fdblocks);
- if (freeblks <= 0)
- return -ENOSPC;
- resblks = min_t(int64_t, UINT_MAX, freeblks);
- resblks = (resblks * 15) >> 4;
- error = xfs_trans_alloc(mp, &M_RES(mp)->tr_itruncate, resblks,
- 0, XFS_TRANS_RESERVE, &tp);
- if (error)
- return error;
- /* transfer all collected dfops to this transaction */
- xfs_defer_move(tp, parent_tp);
+ list_for_each_entry_safe(dfc, next, capture_list, dfc_list) {
+ struct xfs_trans_res resv;
+
+ /*
+ * Create a new transaction reservation from the captured
+ * information. Set logcount to 1 to force the new transaction
+ * to regrant every roll so that we can make forward progress
+ * in recovery no matter how full the log might be.
+ */
+ resv.tr_logres = dfc->dfc_logres;
+ resv.tr_logcount = 1;
+ resv.tr_logflags = XFS_TRANS_PERM_LOG_RES;
+
+ error = xfs_trans_alloc(mp, &resv, dfc->dfc_blkres,
+ dfc->dfc_rtxres, XFS_TRANS_RESERVE, &tp);
+ if (error)
+ return error;
- return xfs_trans_commit(tp);
+ /*
+ * Transfer to this new transaction all the dfops we captured
+ * from recovering a single intent item.
+ */
+ list_del_init(&dfc->dfc_list);
+ xfs_defer_ops_continue(dfc, tp, &ip);
+
+ error = xfs_trans_commit(tp);
+ if (ip) {
+ xfs_iunlock(ip, XFS_ILOCK_EXCL);
+ xfs_irele(ip);
+ }
+ if (error)
+ return error;
+ }
+
+ ASSERT(list_empty(capture_list));
+ return 0;
}
+/* Release all the captured defer ops and capture structures in this list. */
+static void
+xlog_abort_defer_ops(
+ struct xfs_mount *mp,
+ struct list_head *capture_list)
+{
+ struct xfs_defer_capture *dfc;
+ struct xfs_defer_capture *next;
+
+ list_for_each_entry_safe(dfc, next, capture_list, dfc_list) {
+ list_del_init(&dfc->dfc_list);
+ xfs_defer_ops_release(mp, dfc);
+ }
+}
/*
* When this is called, all of the log intent items which did not have
* corresponding log done items should be in the AIL. What we do now
@@ -4791,35 +4851,23 @@ STATIC int
xlog_recover_process_intents(
struct xlog *log)
{
- struct xfs_trans *parent_tp;
+ LIST_HEAD(capture_list);
struct xfs_ail_cursor cur;
struct xfs_log_item *lip;
struct xfs_ail *ailp;
- int error;
+ int error = 0;
#if defined(DEBUG) || defined(XFS_WARN)
xfs_lsn_t last_lsn;
#endif
- /*
- * The intent recovery handlers commit transactions to complete recovery
- * for individual intents, but any new deferred operations that are
- * queued during that process are held off until the very end. The
- * purpose of this transaction is to serve as a container for deferred
- * operations. Each intent recovery handler must transfer dfops here
- * before its local transaction commits, and we'll finish the entire
- * list below.
- */
- error = xfs_trans_alloc_empty(log->l_mp, &parent_tp);
- if (error)
- return error;
-
ailp = log->l_ailp;
spin_lock(&ailp->ail_lock);
- lip = xfs_trans_ail_cursor_first(ailp, &cur, 0);
#if defined(DEBUG) || defined(XFS_WARN)
last_lsn = xlog_assign_lsn(log->l_curr_cycle, log->l_curr_block);
#endif
- while (lip != NULL) {
+ for (lip = xfs_trans_ail_cursor_first(ailp, &cur, 0);
+ lip != NULL;
+ lip = xfs_trans_ail_cursor_next(ailp, &cur)) {
/*
* We're done when we see something other than an intent.
* There should be no intents left in the AIL now.
@@ -4841,35 +4889,40 @@ xlog_recover_process_intents(
/*
* NOTE: If your intent processing routine can create more
- * deferred ops, you /must/ attach them to the dfops in this
- * routine or else those subsequent intents will get
+ * deferred ops, you /must/ attach them to the capture list in
+ * the recover routine or else those subsequent intents will be
* replayed in the wrong order!
*/
switch (lip->li_type) {
case XFS_LI_EFI:
- error = xlog_recover_process_efi(log->l_mp, ailp, lip);
+ error = xlog_recover_process_efi(ailp, lip, &capture_list);
break;
case XFS_LI_RUI:
- error = xlog_recover_process_rui(log->l_mp, ailp, lip);
+ error = xlog_recover_process_rui(ailp, lip, &capture_list);
break;
case XFS_LI_CUI:
- error = xlog_recover_process_cui(parent_tp, ailp, lip);
+ error = xlog_recover_process_cui(ailp, lip, &capture_list);
break;
case XFS_LI_BUI:
- error = xlog_recover_process_bui(parent_tp, ailp, lip);
+ error = xlog_recover_process_bui(ailp, lip, &capture_list);
break;
}
if (error)
- goto out;
- lip = xfs_trans_ail_cursor_next(ailp, &cur);
+ break;
}
-out:
+
xfs_trans_ail_cursor_done(&cur);
spin_unlock(&ailp->ail_lock);
- if (!error)
- error = xlog_finish_defer_ops(parent_tp);
- xfs_trans_cancel(parent_tp);
+ if (error)
+ goto err;
+
+ error = xlog_finish_defer_ops(log->l_mp, &capture_list);
+ if (error)
+ goto err;
+ return 0;
+err:
+ xlog_abort_defer_ops(log->l_mp, &capture_list);
return error;
}
@@ -5172,8 +5225,10 @@ xlog_recover_process(
* If the filesystem is CRC enabled, this mismatch becomes a
* fatal log corruption failure.
*/
- if (xfs_sb_version_hascrc(&log->l_mp->m_sb))
+ if (xfs_sb_version_hascrc(&log->l_mp->m_sb)) {
+ XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, log->l_mp);
return -EFSCORRUPTED;
+ }
}
xlog_unpack_data(rhead, dp, log);
@@ -5200,7 +5255,7 @@ xlog_valid_rec_header(
(be32_to_cpu(rhead->h_version) & (~XLOG_VERSION_OKBITS))))) {
xfs_warn(log->l_mp, "%s: unrecognised log version (%d).",
__func__, be32_to_cpu(rhead->h_version));
- return -EIO;
+ return -EFSCORRUPTED;
}
/* LR body must have data or it wouldn't have been written */
@@ -5296,8 +5351,12 @@ xlog_do_recovery_pass(
"invalid iclog size (%d bytes), using lsunit (%d bytes)",
h_size, log->l_mp->m_logbsize);
h_size = log->l_mp->m_logbsize;
- } else
- return -EFSCORRUPTED;
+ } else {
+ XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW,
+ log->l_mp);
+ error = -EFSCORRUPTED;
+ goto bread_err1;
+ }
}
if ((be32_to_cpu(rhead->h_version) & XLOG_VERSION_2) &&
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-04-30 18:58:32 +0000
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/*
 * Copyright (c) 2006, 2007 Cisco Systems.  All rights reserved.
 * Copyright (c) 2007, 2008 Mellanox Technologies. All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#ifndef MLX4_IB_H
#define MLX4_IB_H

#include <linux/compiler.h>
#include <linux/list.h>
#include <linux/mutex.h>
#include <linux/idr.h>

#include <rdma/ib_verbs.h>
#include <rdma/ib_umem.h>
#include <rdma/ib_mad.h>
#include <rdma/ib_sa.h>

#include <linux/mlx4/device.h>
#include <linux/mlx4/doorbell.h>
#include <linux/mlx4/qp.h>

#define MLX4_IB_DRV_NAME	"mlx4_ib"

#ifdef pr_fmt
#undef pr_fmt
#endif
#define pr_fmt(fmt)	"<" MLX4_IB_DRV_NAME "> %s: " fmt, __func__

#define mlx4_ib_warn(ibdev, format, arg...) \
	dev_warn((ibdev)->dev.parent, MLX4_IB_DRV_NAME ": " format, ## arg)

enum {
	MLX4_IB_SQ_MIN_WQE_SHIFT = 6,
	MLX4_IB_MAX_HEADROOM	 = 2048
};

#define MLX4_IB_SQ_HEADROOM(shift)	((MLX4_IB_MAX_HEADROOM >> (shift)) + 1)
#define MLX4_IB_SQ_MAX_SPARE		(MLX4_IB_SQ_HEADROOM(MLX4_IB_SQ_MIN_WQE_SHIFT))

/*module param to indicate if SM assigns the alias_GUID*/
extern int mlx4_ib_sm_guid_assign;

#define MLX4_IB_UC_STEER_QPN_ALIGN 1
#define MLX4_IB_UC_MAX_NUM_QPS     256

enum hw_bar_type {
	HW_BAR_BF,
	HW_BAR_DB,
	HW_BAR_CLOCK,
	HW_BAR_COUNT
};

struct mlx4_ib_vma_private_data {
	struct vm_area_struct *vma;
};

struct mlx4_ib_ucontext {
	struct ib_ucontext	ibucontext;
	struct mlx4_uar		uar;
	struct list_head	db_page_list;
	struct mutex		db_page_mutex;
	struct mlx4_ib_vma_private_data hw_bar_info[HW_BAR_COUNT];
	struct list_head	wqn_ranges_list;
	struct mutex		wqn_ranges_mutex; /* protect wqn_ranges_list */
};

struct mlx4_ib_pd {
	struct ib_pd		ibpd;
	u32			pdn;
};

struct mlx4_ib_xrcd {
	struct ib_xrcd		ibxrcd;
	u32			xrcdn;
	struct ib_pd	       *pd;
	struct ib_cq	       *cq;
};

struct mlx4_ib_cq_buf {
	struct mlx4_buf		buf;
	struct mlx4_mtt		mtt;
	int			entry_size;
};

struct mlx4_ib_cq_resize {
	struct mlx4_ib_cq_buf	buf;
	int			cqe;
};

struct mlx4_ib_cq {
	struct ib_cq		ibcq;
	struct mlx4_cq		mcq;
	struct mlx4_ib_cq_buf	buf;
	struct mlx4_ib_cq_resize *resize_buf;
	struct mlx4_db		db;
	spinlock_t		lock;
	struct mutex		resize_mutex;
	struct ib_umem	       *umem;
	struct ib_umem	       *resize_umem;
	int			create_flags;
	/* List of qps that it serves.*/
	struct list_head		send_qp_list;
	struct list_head		recv_qp_list;
};

#define MLX4_MR_PAGES_ALIGN 0x40

struct mlx4_ib_mr {
	struct ib_mr		ibmr;
	__be64			*pages;
	dma_addr_t		page_map;
	u32			npages;
	u32			max_pages;
	struct mlx4_mr		mmr;
	struct ib_umem	       *umem;
	size_t			page_map_size;
};

struct mlx4_ib_mw {
	struct ib_mw		ibmw;
	struct mlx4_mw		mmw;
};

struct mlx4_ib_fmr {
	struct ib_fmr           ibfmr;
	struct mlx4_fmr         mfmr;
};

#define MAX_REGS_PER_FLOW 2

struct mlx4_flow_reg_id {
	u64 id;
	u64 mirror;
};

struct mlx4_ib_flow {
	struct ib_flow ibflow;
	/* translating DMFS verbs sniffer rule to FW API requires two reg IDs */
	struct mlx4_flow_reg_id reg_id[MAX_REGS_PER_FLOW];
};

struct mlx4_ib_wq {
	u64		       *wrid;
	spinlock_t		lock;
	int			wqe_cnt;
	int			max_post;
	int			max_gs;
	int			offset;
	int			wqe_shift;
	unsigned		head;
	unsigned		tail;
};

enum {
	MLX4_IB_QP_CREATE_ROCE_V2_GSI = IB_QP_CREATE_RESERVED_START
};

enum mlx4_ib_qp_flags {
	MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO,
	MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK,
	MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP,

	/* Mellanox specific flags start from IB_QP_CREATE_RESERVED_START */
	MLX4_IB_ROCE_V2_GSI_QP = MLX4_IB_QP_CREATE_ROCE_V2_GSI,
	MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30,
	MLX4_IB_SRIOV_SQP = 1 << 31,
};

struct mlx4_ib_gid_entry {
	struct list_head	list;
	union ib_gid		gid;
	int			added;
	u8			port;
};

enum mlx4_ib_qp_type {
	/*
	 * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries
	 * here (and in that order) since the MAD layer uses them as
	 * indices into a 2-entry table.
	 */
	MLX4_IB_QPT_SMI = IB_QPT_SMI,
	MLX4_IB_QPT_GSI = IB_QPT_GSI,

	MLX4_IB_QPT_RC = IB_QPT_RC,
	MLX4_IB_QPT_UC = IB_QPT_UC,
	MLX4_IB_QPT_UD = IB_QPT_UD,
	MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6,
	MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE,
	MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET,
	MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI,
	MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT,

	MLX4_IB_QPT_PROXY_SMI_OWNER	= 1 << 16,
	MLX4_IB_QPT_PROXY_SMI		= 1 << 17,
	MLX4_IB_QPT_PROXY_GSI		= 1 << 18,
	MLX4_IB_QPT_TUN_SMI_OWNER	= 1 << 19,
	MLX4_IB_QPT_TUN_SMI		= 1 << 20,
	MLX4_IB_QPT_TUN_GSI		= 1 << 21,
};

#define MLX4_IB_QPT_ANY_SRIOV	(MLX4_IB_QPT_PROXY_SMI_OWNER | \
	MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \
	MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI)

enum mlx4_ib_mad_ifc_flags {
	MLX4_MAD_IFC_IGNORE_MKEY	= 1,
	MLX4_MAD_IFC_IGNORE_BKEY	= 2,
	MLX4_MAD_IFC_IGNORE_KEYS	= (MLX4_MAD_IFC_IGNORE_MKEY |
					   MLX4_MAD_IFC_IGNORE_BKEY),
	MLX4_MAD_IFC_NET_VIEW		= 4,
};

enum {
	MLX4_NUM_TUNNEL_BUFS		= 256,
};

struct mlx4_ib_tunnel_header {
	struct mlx4_av av;
	__be32 remote_qpn;
	__be32 qkey;
	__be16 vlan;
	u8 mac[6];
	__be16 pkey_index;
	u8 reserved[6];
};

struct mlx4_ib_buf {
	void *addr;
	dma_addr_t map;
};

struct mlx4_rcv_tunnel_hdr {
	__be32 flags_src_qp; /* flags[6:5] is defined for VLANs:
			      * 0x0 - no vlan was in the packet
			      * 0x01 - C-VLAN was in the packet */
	u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */
	u8 reserved;
	__be16 pkey_index;
	__be16 sl_vid;
	__be16 slid_mac_47_32;
	__be32 mac_31_0;
};

struct mlx4_ib_proxy_sqp_hdr {
	struct ib_grh grh;
	struct mlx4_rcv_tunnel_hdr tun;
}  __packed;

struct mlx4_roce_smac_vlan_info {
	u64 smac;
	int smac_index;
	int smac_port;
	u64 candidate_smac;
	int candidate_smac_index;
	int candidate_smac_port;
	u16 vid;
	int vlan_index;
	int vlan_port;
	u16 candidate_vid;
	int candidate_vlan_index;
	int candidate_vlan_port;
	int update_vid;
};

struct mlx4_wqn_range {
	int			base_wqn;
	int			size;
	int			refcount;
	bool			dirty;
	struct list_head	list;
};

struct mlx4_ib_rss {
	unsigned int		base_qpn_tbl_sz;
	u8			flags;
	u8			rss_key[MLX4_EN_RSS_KEY_SIZE];
};

struct mlx4_ib_qp {
	union {
		struct ib_qp	ibqp;
		struct ib_wq	ibwq;
	};
	struct mlx4_qp		mqp;
	struct mlx4_buf		buf;

	struct mlx4_db		db;
	struct mlx4_ib_wq	rq;

	u32			doorbell_qpn;
	__be32			sq_signal_bits;
	unsigned		sq_next_wqe;
	int			sq_max_wqes_per_wr;
	int			sq_spare_wqes;
	struct mlx4_ib_wq	sq;

	enum mlx4_ib_qp_type	mlx4_ib_qp_type;
	struct ib_umem	       *umem;
	struct mlx4_mtt		mtt;
	int			buf_size;
	struct mutex		mutex;
	u16			xrcdn;
	u32			flags;
	u8			port;
	u8			alt_port;
	u8			atomic_rd_en;
	u8			resp_depth;
	u8			sq_no_prefetch;
	u8			state;
	int			mlx_type;
	u32			inl_recv_sz;
	struct list_head	gid_list;
	struct list_head	steering_rules;
	struct mlx4_ib_buf	*sqp_proxy_rcv;
	struct mlx4_roce_smac_vlan_info pri;
	struct mlx4_roce_smac_vlan_info alt;
	u64			reg_id;
	struct list_head	qps_list;
	struct list_head	cq_recv_list;
	struct list_head	cq_send_list;
	struct counter_index	*counter_index;
	struct mlx4_wqn_range	*wqn_range;
	/* Number of RSS QP parents that uses this WQ */
	u32			rss_usecnt;
	struct mlx4_ib_rss	*rss_ctx;
};

struct mlx4_ib_srq {
	struct ib_srq		ibsrq;
	struct mlx4_srq		msrq;
	struct mlx4_buf		buf;
	struct mlx4_db		db;
	u64		       *wrid;
	spinlock_t		lock;
	int			head;
	int			tail;
	u16			wqe_ctr;
	struct ib_umem	       *umem;
	struct mlx4_mtt		mtt;
	struct mutex		mutex;
};

struct mlx4_ib_ah {
	struct ib_ah		ibah;
	union mlx4_ext_av       av;
};

/****************************************/
/* alias guid support */
/****************************************/
#define NUM_PORT_ALIAS_GUID		2
#define NUM_ALIAS_GUID_IN_REC		8
#define NUM_ALIAS_GUID_REC_IN_PORT	16
#define GUID_REC_SIZE			8
#define NUM_ALIAS_GUID_PER_PORT		128
#define MLX4_NOT_SET_GUID		(0x00LL)
#define MLX4_GUID_FOR_DELETE_VAL	(~(0x00LL))

enum mlx4_guid_alias_rec_status {
	MLX4_GUID_INFO_STATUS_IDLE,
	MLX4_GUID_INFO_STATUS_SET,
};

#define GUID_STATE_NEED_PORT_INIT 0x01

enum mlx4_guid_alias_rec_method {
	MLX4_GUID_INFO_RECORD_SET	= IB_MGMT_METHOD_SET,
	MLX4_GUID_INFO_RECORD_DELETE	= IB_SA_METHOD_DELETE,
};

struct mlx4_sriov_alias_guid_info_rec_det {
	u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC];
	ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/
	enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/
	unsigned int guids_retry_schedule[NUM_ALIAS_GUID_IN_REC];
	u64 time_to_run;
};

struct mlx4_sriov_alias_guid_port_rec_det {
	struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT];
	struct workqueue_struct *wq;
	struct delayed_work alias_guid_work;
	u8 port;
	u32 state_flags;
	struct mlx4_sriov_alias_guid *parent;
	struct list_head cb_list;
};

struct mlx4_sriov_alias_guid {
	struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS];
	spinlock_t ag_work_lock;
	struct ib_sa_client *sa_client;
};

struct mlx4_ib_demux_work {
	struct work_struct	work;
	struct mlx4_ib_dev     *dev;
	int			slave;
	int			do_init;
	u8			port;

};

struct mlx4_ib_tun_tx_buf {
	struct mlx4_ib_buf buf;
	struct ib_ah *ah;
};

struct mlx4_ib_demux_pv_qp {
	struct ib_qp *qp;
	enum ib_qp_type proxy_qpt;
	struct mlx4_ib_buf *ring;
	struct mlx4_ib_tun_tx_buf *tx_ring;
	spinlock_t tx_lock;
	unsigned tx_ix_head;
	unsigned tx_ix_tail;
};

enum mlx4_ib_demux_pv_state {
	DEMUX_PV_STATE_DOWN,
	DEMUX_PV_STATE_STARTING,
	DEMUX_PV_STATE_ACTIVE,
	DEMUX_PV_STATE_DOWNING,
};

struct mlx4_ib_demux_pv_ctx {
	int port;
	int slave;
	enum mlx4_ib_demux_pv_state state;
	int has_smi;
	struct ib_device *ib_dev;
	struct ib_cq *cq;
	struct ib_pd *pd;
	struct work_struct work;
	struct workqueue_struct *wq;
	struct mlx4_ib_demux_pv_qp qp[2];
};

struct mlx4_ib_demux_ctx {
	struct ib_device *ib_dev;
	int port;
	struct workqueue_struct *wq;
	struct workqueue_struct *ud_wq;
	spinlock_t ud_lock;
	atomic64_t subnet_prefix;
	__be64 guid_cache[128];
	struct mlx4_ib_dev *dev;
	/* the following lock protects both mcg_table and mcg_mgid0_list */
	struct mutex		mcg_table_lock;
	struct rb_root		mcg_table;
	struct list_head	mcg_mgid0_list;
	struct workqueue_struct	*mcg_wq;
	struct mlx4_ib_demux_pv_ctx **tun;
	atomic_t tid;
	int    flushing; /* flushing the work queue */
};

struct mlx4_ib_sriov {
	struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS];
	struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS];
	/* when using this spinlock you should use "irq" because
	 * it may be called from interrupt context.*/
	spinlock_t going_down_lock;
	int is_going_down;

	struct mlx4_sriov_alias_guid alias_guid;

	/* CM paravirtualization fields */
	struct list_head cm_list;
	spinlock_t id_map_lock;
	struct rb_root sl_id_map;
	struct idr pv_id_table;
};

struct gid_cache_context {
	int real_index;
	int refcount;
};

struct gid_entry {
	union ib_gid	gid;
	enum ib_gid_type gid_type;
	struct gid_cache_context *ctx;
};

struct mlx4_port_gid_table {
	struct gid_entry gids[MLX4_MAX_PORT_GIDS];
};

struct mlx4_ib_iboe {
	spinlock_t		lock;
	struct net_device      *netdevs[MLX4_MAX_PORTS];
	atomic64_t		mac[MLX4_MAX_PORTS];
	struct notifier_block 	nb;
	struct mlx4_port_gid_table gids[MLX4_MAX_PORTS];
};

struct pkey_mgt {
	u8			virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
	u16			phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
	struct list_head	pkey_port_list[MLX4_MFUNC_MAX];
	struct kobject	       *device_parent[MLX4_MFUNC_MAX];
};

struct mlx4_ib_iov_sysfs_attr {
	void *ctx;
	struct kobject *kobj;
	unsigned long data;
	u32 entry_num;
	char name[15];
	struct device_attribute dentry;
	struct device *dev;
};

struct mlx4_ib_iov_sysfs_attr_ar {
	struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1];
};

struct mlx4_ib_iov_port {
	char name[100];
	u8 num;
	struct mlx4_ib_dev *dev;
	struct list_head list;
	struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar;
	struct ib_port_attr attr;
	struct kobject	*cur_port;
	struct kobject	*admin_alias_parent;
	struct kobject	*gids_parent;
	struct kobject	*pkeys_parent;
	struct kobject	*mcgs_parent;
	struct mlx4_ib_iov_sysfs_attr mcg_dentry;
};

struct counter_index {
	struct  list_head       list;
	u32		index;
	u8		allocated;
};

struct mlx4_ib_counters {
	struct list_head        counters_list;
	struct mutex            mutex; /* mutex for accessing counters list */
	u32			default_counter;
};

#define MLX4_DIAG_COUNTERS_TYPES 2

struct mlx4_ib_diag_counters {
	const char **name;
	u32 *offset;
	u32 num_counters;
};

struct mlx4_ib_dev {
	struct ib_device	ib_dev;
	struct mlx4_dev	       *dev;
	int			num_ports;
	void __iomem	       *uar_map;

	struct mlx4_uar		priv_uar;
	u32			priv_pdn;
	MLX4_DECLARE_DOORBELL_LOCK(uar_lock);

	struct ib_mad_agent    *send_agent[MLX4_MAX_PORTS][2];
	struct ib_ah	       *sm_ah[MLX4_MAX_PORTS];
	spinlock_t		sm_lock;
	atomic64_t		sl2vl[MLX4_MAX_PORTS];
	struct mlx4_ib_sriov	sriov;

	struct mutex		cap_mask_mutex;
	bool			ib_active;
	struct mlx4_ib_iboe	iboe;
	struct mlx4_ib_counters counters_table[MLX4_MAX_PORTS];
	int		       *eq_table;
	struct kobject	       *iov_parent;
	struct kobject	       *ports_parent;
	struct kobject	       *dev_ports_parent[MLX4_MFUNC_MAX];
	struct mlx4_ib_iov_port	iov_ports[MLX4_MAX_PORTS];
	struct pkey_mgt		pkeys;
	unsigned long *ib_uc_qpns_bitmap;
	int steer_qpn_count;
	int steer_qpn_base;
	int steering_support;
	struct mlx4_ib_qp      *qp1_proxy[MLX4_MAX_PORTS];
	/* lock when destroying qp1_proxy and getting netdev events */
	struct mutex		qp1_proxy_lock[MLX4_MAX_PORTS];
	u8			bond_next_port;
	/* protect resources needed as part of reset flow */
	spinlock_t		reset_flow_resource_lock;
	struct list_head		qp_list;
	struct mlx4_ib_diag_counters diag_counters[MLX4_DIAG_COUNTERS_TYPES];
};

struct ib_event_work {
	struct work_struct	work;
	struct mlx4_ib_dev	*ib_dev;
	struct mlx4_eqe		ib_eqe;
	int			port;
};

struct mlx4_ib_qp_tunnel_init_attr {
	struct ib_qp_init_attr init_attr;
	int slave;
	enum ib_qp_type proxy_qp_type;
	u8 port;
};

struct mlx4_uverbs_ex_query_device {
	__u32 comp_mask;
	__u32 reserved;
};

enum query_device_resp_mask {
	QUERY_DEVICE_RESP_MASK_TIMESTAMP = 1UL << 0,
};

struct mlx4_uverbs_ex_query_device_resp {
	__u32 comp_mask;
	__u32 response_length;
	__u64 hca_core_clock_offset;
	__u32 max_inl_recv_sz;
	__u32 reserved;
};

static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev)
{
	return container_of(ibdev, struct mlx4_ib_dev, ib_dev);
}

static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext)
{
	return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext);
}

static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd)
{
	return container_of(ibpd, struct mlx4_ib_pd, ibpd);
}

static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd)
{
	return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd);
}

static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq)
{
	return container_of(ibcq, struct mlx4_ib_cq, ibcq);
}

static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq)
{
	return container_of(mcq, struct mlx4_ib_cq, mcq);
}

static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr)
{
	return container_of(ibmr, struct mlx4_ib_mr, ibmr);
}

static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw)
{
	return container_of(ibmw, struct mlx4_ib_mw, ibmw);
}

static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr)
{
	return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr);
}

static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow)
{
	return container_of(ibflow, struct mlx4_ib_flow, ibflow);
}

static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp)
{
	return container_of(ibqp, struct mlx4_ib_qp, ibqp);
}

static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp)
{
	return container_of(mqp, struct mlx4_ib_qp, mqp);
}

static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq)
{
	return container_of(ibsrq, struct mlx4_ib_srq, ibsrq);
}

static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq)
{
	return container_of(msrq, struct mlx4_ib_srq, msrq);
}

static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah)
{
	return container_of(ibah, struct mlx4_ib_ah, ibah);
}

static inline u8 mlx4_ib_bond_next_port(struct mlx4_ib_dev *dev)
{
	dev->bond_next_port = (dev->bond_next_port + 1) % dev->num_ports;

	return dev->bond_next_port + 1;
}

int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev);
void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev);

int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt,
			struct mlx4_db *db);
void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db);

struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc);
int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt,
			   struct ib_umem *umem);
struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
				  u64 virt_addr, int access_flags,
				  struct ib_udata *udata);
int mlx4_ib_dereg_mr(struct ib_mr *mr);
struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type,
			       struct ib_udata *udata);
int mlx4_ib_dealloc_mw(struct ib_mw *mw);
struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd,
			       enum ib_mr_type mr_type,
			       u32 max_num_sg);
int mlx4_ib_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents,
		      unsigned int *sg_offset);
int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev,
				const struct ib_cq_init_attr *attr,
				struct ib_ucontext *context,
				struct ib_udata *udata);
int mlx4_ib_destroy_cq(struct ib_cq *cq);
int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);

struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct rdma_ah_attr *ah_attr,
				struct ib_udata *udata);
int mlx4_ib_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr);
int mlx4_ib_destroy_ah(struct ib_ah *ah);

struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
				  struct ib_srq_init_attr *init_attr,
				  struct ib_udata *udata);
int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
		       enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
int mlx4_ib_destroy_srq(struct ib_srq *srq);
void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index);
int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
			  struct ib_recv_wr **bad_wr);

struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
				struct ib_qp_init_attr *init_attr,
				struct ib_udata *udata);
int mlx4_ib_destroy_qp(struct ib_qp *qp);
int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
		      int attr_mask, struct ib_udata *udata);
int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
		     struct ib_qp_init_attr *qp_init_attr);
int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
		      struct ib_send_wr **bad_wr);
int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr,
		      struct ib_recv_wr **bad_wr);

int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags,
		 int port, const struct ib_wc *in_wc, const struct ib_grh *in_grh,
		 const void *in_mad, void *response_mad);
int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags,	u8 port_num,
			const struct ib_wc *in_wc, const struct ib_grh *in_grh,
			const struct ib_mad_hdr *in, size_t in_mad_size,
			struct ib_mad_hdr *out, size_t *out_mad_size,
			u16 *out_mad_pkey_index);
int mlx4_ib_mad_init(struct mlx4_ib_dev *dev);
void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev);

struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags,
				  struct ib_fmr_attr *fmr_attr);
int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages,
			 u64 iova);
int mlx4_ib_unmap_fmr(struct list_head *fmr_list);
int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr);
int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
			 struct ib_port_attr *props, int netw_view);
int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
			 u16 *pkey, int netw_view);

int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
			union ib_gid *gid, int netw_view);

static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah)
{
	u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3;

	if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET)
		return true;

	return !!(ah->av.ib.g_slid & 0x80);
}

int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx);
void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq);
void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave);
int mlx4_ib_mcg_init(void);
void mlx4_ib_mcg_destroy(void);

int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid);

int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave,
				  struct ib_sa_mad *sa_mad);
int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave,
			      struct ib_sa_mad *mad);

int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
		   union ib_gid *gid);

void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num,
			    enum ib_event_type type);

void mlx4_ib_tunnels_update_work(struct work_struct *work);

int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
			  enum ib_qp_type qpt, struct ib_wc *wc,
			  struct ib_grh *grh, struct ib_mad *mad);

int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port,
			 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn,
			 u32 qkey, struct rdma_ah_attr *attr, u8 *s_mac,
			 u16 vlan_id, struct ib_mad *mad);

__be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx);

int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave,
		struct ib_mad *mad);

int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id,
		struct ib_mad *mad);

void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev);
void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id);

/* alias guid support */
void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port);
int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev);
void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev);
void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port);

void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev,
					  int block_num,
					  u8 port_num, u8 *p_data);

void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev,
					 int block_num, u8 port_num,
					 u8 *p_data);

int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
			    struct attribute *attr);
void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
			     struct attribute *attr);
ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index);
void mlx4_ib_slave_alias_guid_event(struct mlx4_ib_dev *dev, int slave,
				    int port, int slave_init);

int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ;

void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device);

__be64 mlx4_ib_gen_node_guid(void);

int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn);
void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count);
int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
			 int is_attach);
int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags,
			  u64 start, u64 length, u64 virt_addr,
			  int mr_access_flags, struct ib_pd *pd,
			  struct ib_udata *udata);
int mlx4_ib_gid_index_to_real_index(struct mlx4_ib_dev *ibdev,
				    u8 port_num, int index);

void mlx4_sched_ib_sl2vl_update_work(struct mlx4_ib_dev *ibdev,
				     int port);

void mlx4_ib_sl2vl_update(struct mlx4_ib_dev *mdev, int port);

struct ib_wq *mlx4_ib_create_wq(struct ib_pd *pd,
				struct ib_wq_init_attr *init_attr,
				struct ib_udata *udata);
int mlx4_ib_destroy_wq(struct ib_wq *wq);
int mlx4_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr,
		      u32 wq_attr_mask, struct ib_udata *udata);

struct ib_rwq_ind_table
*mlx4_ib_create_rwq_ind_table(struct ib_device *device,
			      struct ib_rwq_ind_table_init_attr *init_attr,
			      struct ib_udata *udata);
int mlx4_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *wq_ind_table);

#endif /* MLX4_IB_H */
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-04-30 18:58:32 +0000