/*
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* Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
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* Copyright (c) 2005, 2006, 2007, 2008 Mellanox Technologies.
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* All rights reserved.
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* Copyright (c) 2005, 2006, 2007 Cisco Systems, Inc. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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|
#include <linux/sched.h>
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#include <linux/pci.h>
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#include <linux/errno.h>
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#include <linux/kernel.h>
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#include <linux/io.h>
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#include <linux/slab.h>
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#include <linux/mlx4/cmd.h>
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#include <linux/mlx4/qp.h>
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#include <linux/if_ether.h>
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#include <linux/etherdevice.h>
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|
#include "mlx4.h"
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#include "fw.h"
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#include "mlx4_stats.h"
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|
#define MLX4_MAC_VALID (1ull << 63)
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#define MLX4_PF_COUNTERS_PER_PORT 2
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#define MLX4_VF_COUNTERS_PER_PORT 1
|
|
struct mac_res {
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struct list_head list;
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u64 mac;
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int ref_count;
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u8 smac_index;
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u8 port;
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};
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|
struct vlan_res {
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struct list_head list;
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u16 vlan;
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int ref_count;
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int vlan_index;
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u8 port;
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};
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|
struct res_common {
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struct list_head list;
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struct rb_node node;
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u64 res_id;
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int owner;
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int state;
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int from_state;
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int to_state;
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int removing;
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const char *func_name;
|
};
|
|
enum {
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RES_ANY_BUSY = 1
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};
|
|
struct res_gid {
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struct list_head list;
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u8 gid[16];
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enum mlx4_protocol prot;
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enum mlx4_steer_type steer;
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u64 reg_id;
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};
|
|
enum res_qp_states {
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RES_QP_BUSY = RES_ANY_BUSY,
|
|
/* QP number was allocated */
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RES_QP_RESERVED,
|
|
/* ICM memory for QP context was mapped */
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RES_QP_MAPPED,
|
|
/* QP is in hw ownership */
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RES_QP_HW
|
};
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|
struct res_qp {
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struct res_common com;
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struct res_mtt *mtt;
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struct res_cq *rcq;
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struct res_cq *scq;
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struct res_srq *srq;
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struct list_head mcg_list;
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spinlock_t mcg_spl;
|
int local_qpn;
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atomic_t ref_count;
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u32 qpc_flags;
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/* saved qp params before VST enforcement in order to restore on VGT */
|
u8 sched_queue;
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__be32 param3;
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u8 vlan_control;
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u8 fvl_rx;
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u8 pri_path_fl;
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u8 vlan_index;
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u8 feup;
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};
|
|
enum res_mtt_states {
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RES_MTT_BUSY = RES_ANY_BUSY,
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RES_MTT_ALLOCATED,
|
};
|
|
static inline const char *mtt_states_str(enum res_mtt_states state)
|
{
|
switch (state) {
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case RES_MTT_BUSY: return "RES_MTT_BUSY";
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case RES_MTT_ALLOCATED: return "RES_MTT_ALLOCATED";
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default: return "Unknown";
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}
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}
|
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struct res_mtt {
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struct res_common com;
|
int order;
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atomic_t ref_count;
|
};
|
|
enum res_mpt_states {
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RES_MPT_BUSY = RES_ANY_BUSY,
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RES_MPT_RESERVED,
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RES_MPT_MAPPED,
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RES_MPT_HW,
|
};
|
|
struct res_mpt {
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struct res_common com;
|
struct res_mtt *mtt;
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int key;
|
};
|
|
enum res_eq_states {
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RES_EQ_BUSY = RES_ANY_BUSY,
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RES_EQ_RESERVED,
|
RES_EQ_HW,
|
};
|
|
struct res_eq {
|
struct res_common com;
|
struct res_mtt *mtt;
|
};
|
|
enum res_cq_states {
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RES_CQ_BUSY = RES_ANY_BUSY,
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RES_CQ_ALLOCATED,
|
RES_CQ_HW,
|
};
|
|
struct res_cq {
|
struct res_common com;
|
struct res_mtt *mtt;
|
atomic_t ref_count;
|
};
|
|
enum res_srq_states {
|
RES_SRQ_BUSY = RES_ANY_BUSY,
|
RES_SRQ_ALLOCATED,
|
RES_SRQ_HW,
|
};
|
|
struct res_srq {
|
struct res_common com;
|
struct res_mtt *mtt;
|
struct res_cq *cq;
|
atomic_t ref_count;
|
};
|
|
enum res_counter_states {
|
RES_COUNTER_BUSY = RES_ANY_BUSY,
|
RES_COUNTER_ALLOCATED,
|
};
|
|
struct res_counter {
|
struct res_common com;
|
int port;
|
};
|
|
enum res_xrcdn_states {
|
RES_XRCD_BUSY = RES_ANY_BUSY,
|
RES_XRCD_ALLOCATED,
|
};
|
|
struct res_xrcdn {
|
struct res_common com;
|
int port;
|
};
|
|
enum res_fs_rule_states {
|
RES_FS_RULE_BUSY = RES_ANY_BUSY,
|
RES_FS_RULE_ALLOCATED,
|
};
|
|
struct res_fs_rule {
|
struct res_common com;
|
int qpn;
|
/* VF DMFS mbox with port flipped */
|
void *mirr_mbox;
|
/* > 0 --> apply mirror when getting into HA mode */
|
/* = 0 --> un-apply mirror when getting out of HA mode */
|
u32 mirr_mbox_size;
|
struct list_head mirr_list;
|
u64 mirr_rule_id;
|
};
|
|
static void *res_tracker_lookup(struct rb_root *root, u64 res_id)
|
{
|
struct rb_node *node = root->rb_node;
|
|
while (node) {
|
struct res_common *res = rb_entry(node, struct res_common,
|
node);
|
|
if (res_id < res->res_id)
|
node = node->rb_left;
|
else if (res_id > res->res_id)
|
node = node->rb_right;
|
else
|
return res;
|
}
|
return NULL;
|
}
|
|
static int res_tracker_insert(struct rb_root *root, struct res_common *res)
|
{
|
struct rb_node **new = &(root->rb_node), *parent = NULL;
|
|
/* Figure out where to put new node */
|
while (*new) {
|
struct res_common *this = rb_entry(*new, struct res_common,
|
node);
|
|
parent = *new;
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if (res->res_id < this->res_id)
|
new = &((*new)->rb_left);
|
else if (res->res_id > this->res_id)
|
new = &((*new)->rb_right);
|
else
|
return -EEXIST;
|
}
|
|
/* Add new node and rebalance tree. */
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rb_link_node(&res->node, parent, new);
|
rb_insert_color(&res->node, root);
|
|
return 0;
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}
|
|
enum qp_transition {
|
QP_TRANS_INIT2RTR,
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QP_TRANS_RTR2RTS,
|
QP_TRANS_RTS2RTS,
|
QP_TRANS_SQERR2RTS,
|
QP_TRANS_SQD2SQD,
|
QP_TRANS_SQD2RTS
|
};
|
|
/* For Debug uses */
|
static const char *resource_str(enum mlx4_resource rt)
|
{
|
switch (rt) {
|
case RES_QP: return "RES_QP";
|
case RES_CQ: return "RES_CQ";
|
case RES_SRQ: return "RES_SRQ";
|
case RES_MPT: return "RES_MPT";
|
case RES_MTT: return "RES_MTT";
|
case RES_MAC: return "RES_MAC";
|
case RES_VLAN: return "RES_VLAN";
|
case RES_EQ: return "RES_EQ";
|
case RES_COUNTER: return "RES_COUNTER";
|
case RES_FS_RULE: return "RES_FS_RULE";
|
case RES_XRCD: return "RES_XRCD";
|
default: return "Unknown resource type !!!";
|
};
|
}
|
|
static void rem_slave_vlans(struct mlx4_dev *dev, int slave);
|
static inline int mlx4_grant_resource(struct mlx4_dev *dev, int slave,
|
enum mlx4_resource res_type, int count,
|
int port)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct resource_allocator *res_alloc =
|
&priv->mfunc.master.res_tracker.res_alloc[res_type];
|
int err = -EDQUOT;
|
int allocated, free, reserved, guaranteed, from_free;
|
int from_rsvd;
|
|
if (slave > dev->persist->num_vfs)
|
return -EINVAL;
|
|
spin_lock(&res_alloc->alloc_lock);
|
allocated = (port > 0) ?
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res_alloc->allocated[(port - 1) *
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(dev->persist->num_vfs + 1) + slave] :
|
res_alloc->allocated[slave];
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free = (port > 0) ? res_alloc->res_port_free[port - 1] :
|
res_alloc->res_free;
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reserved = (port > 0) ? res_alloc->res_port_rsvd[port - 1] :
|
res_alloc->res_reserved;
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guaranteed = res_alloc->guaranteed[slave];
|
|
if (allocated + count > res_alloc->quota[slave]) {
|
mlx4_warn(dev, "VF %d port %d res %s: quota exceeded, count %d alloc %d quota %d\n",
|
slave, port, resource_str(res_type), count,
|
allocated, res_alloc->quota[slave]);
|
goto out;
|
}
|
|
if (allocated + count <= guaranteed) {
|
err = 0;
|
from_rsvd = count;
|
} else {
|
/* portion may need to be obtained from free area */
|
if (guaranteed - allocated > 0)
|
from_free = count - (guaranteed - allocated);
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else
|
from_free = count;
|
|
from_rsvd = count - from_free;
|
|
if (free - from_free >= reserved)
|
err = 0;
|
else
|
mlx4_warn(dev, "VF %d port %d res %s: free pool empty, free %d from_free %d rsvd %d\n",
|
slave, port, resource_str(res_type), free,
|
from_free, reserved);
|
}
|
|
if (!err) {
|
/* grant the request */
|
if (port > 0) {
|
res_alloc->allocated[(port - 1) *
|
(dev->persist->num_vfs + 1) + slave] += count;
|
res_alloc->res_port_free[port - 1] -= count;
|
res_alloc->res_port_rsvd[port - 1] -= from_rsvd;
|
} else {
|
res_alloc->allocated[slave] += count;
|
res_alloc->res_free -= count;
|
res_alloc->res_reserved -= from_rsvd;
|
}
|
}
|
|
out:
|
spin_unlock(&res_alloc->alloc_lock);
|
return err;
|
}
|
|
static inline void mlx4_release_resource(struct mlx4_dev *dev, int slave,
|
enum mlx4_resource res_type, int count,
|
int port)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct resource_allocator *res_alloc =
|
&priv->mfunc.master.res_tracker.res_alloc[res_type];
|
int allocated, guaranteed, from_rsvd;
|
|
if (slave > dev->persist->num_vfs)
|
return;
|
|
spin_lock(&res_alloc->alloc_lock);
|
|
allocated = (port > 0) ?
|
res_alloc->allocated[(port - 1) *
|
(dev->persist->num_vfs + 1) + slave] :
|
res_alloc->allocated[slave];
|
guaranteed = res_alloc->guaranteed[slave];
|
|
if (allocated - count >= guaranteed) {
|
from_rsvd = 0;
|
} else {
|
/* portion may need to be returned to reserved area */
|
if (allocated - guaranteed > 0)
|
from_rsvd = count - (allocated - guaranteed);
|
else
|
from_rsvd = count;
|
}
|
|
if (port > 0) {
|
res_alloc->allocated[(port - 1) *
|
(dev->persist->num_vfs + 1) + slave] -= count;
|
res_alloc->res_port_free[port - 1] += count;
|
res_alloc->res_port_rsvd[port - 1] += from_rsvd;
|
} else {
|
res_alloc->allocated[slave] -= count;
|
res_alloc->res_free += count;
|
res_alloc->res_reserved += from_rsvd;
|
}
|
|
spin_unlock(&res_alloc->alloc_lock);
|
return;
|
}
|
|
static inline void initialize_res_quotas(struct mlx4_dev *dev,
|
struct resource_allocator *res_alloc,
|
enum mlx4_resource res_type,
|
int vf, int num_instances)
|
{
|
res_alloc->guaranteed[vf] = num_instances /
|
(2 * (dev->persist->num_vfs + 1));
|
res_alloc->quota[vf] = (num_instances / 2) + res_alloc->guaranteed[vf];
|
if (vf == mlx4_master_func_num(dev)) {
|
res_alloc->res_free = num_instances;
|
if (res_type == RES_MTT) {
|
/* reserved mtts will be taken out of the PF allocation */
|
res_alloc->res_free += dev->caps.reserved_mtts;
|
res_alloc->guaranteed[vf] += dev->caps.reserved_mtts;
|
res_alloc->quota[vf] += dev->caps.reserved_mtts;
|
}
|
}
|
}
|
|
void mlx4_init_quotas(struct mlx4_dev *dev)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
int pf;
|
|
/* quotas for VFs are initialized in mlx4_slave_cap */
|
if (mlx4_is_slave(dev))
|
return;
|
|
if (!mlx4_is_mfunc(dev)) {
|
dev->quotas.qp = dev->caps.num_qps - dev->caps.reserved_qps -
|
mlx4_num_reserved_sqps(dev);
|
dev->quotas.cq = dev->caps.num_cqs - dev->caps.reserved_cqs;
|
dev->quotas.srq = dev->caps.num_srqs - dev->caps.reserved_srqs;
|
dev->quotas.mtt = dev->caps.num_mtts - dev->caps.reserved_mtts;
|
dev->quotas.mpt = dev->caps.num_mpts - dev->caps.reserved_mrws;
|
return;
|
}
|
|
pf = mlx4_master_func_num(dev);
|
dev->quotas.qp =
|
priv->mfunc.master.res_tracker.res_alloc[RES_QP].quota[pf];
|
dev->quotas.cq =
|
priv->mfunc.master.res_tracker.res_alloc[RES_CQ].quota[pf];
|
dev->quotas.srq =
|
priv->mfunc.master.res_tracker.res_alloc[RES_SRQ].quota[pf];
|
dev->quotas.mtt =
|
priv->mfunc.master.res_tracker.res_alloc[RES_MTT].quota[pf];
|
dev->quotas.mpt =
|
priv->mfunc.master.res_tracker.res_alloc[RES_MPT].quota[pf];
|
}
|
|
static int
|
mlx4_calc_res_counter_guaranteed(struct mlx4_dev *dev,
|
struct resource_allocator *res_alloc,
|
int vf)
|
{
|
struct mlx4_active_ports actv_ports;
|
int ports, counters_guaranteed;
|
|
/* For master, only allocate according to the number of phys ports */
|
if (vf == mlx4_master_func_num(dev))
|
return MLX4_PF_COUNTERS_PER_PORT * dev->caps.num_ports;
|
|
/* calculate real number of ports for the VF */
|
actv_ports = mlx4_get_active_ports(dev, vf);
|
ports = bitmap_weight(actv_ports.ports, dev->caps.num_ports);
|
counters_guaranteed = ports * MLX4_VF_COUNTERS_PER_PORT;
|
|
/* If we do not have enough counters for this VF, do not
|
* allocate any for it. '-1' to reduce the sink counter.
|
*/
|
if ((res_alloc->res_reserved + counters_guaranteed) >
|
(dev->caps.max_counters - 1))
|
return 0;
|
|
return counters_guaranteed;
|
}
|
|
int mlx4_init_resource_tracker(struct mlx4_dev *dev)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
int i, j;
|
int t;
|
|
priv->mfunc.master.res_tracker.slave_list =
|
kcalloc(dev->num_slaves, sizeof(struct slave_list),
|
GFP_KERNEL);
|
if (!priv->mfunc.master.res_tracker.slave_list)
|
return -ENOMEM;
|
|
for (i = 0 ; i < dev->num_slaves; i++) {
|
for (t = 0; t < MLX4_NUM_OF_RESOURCE_TYPE; ++t)
|
INIT_LIST_HEAD(&priv->mfunc.master.res_tracker.
|
slave_list[i].res_list[t]);
|
mutex_init(&priv->mfunc.master.res_tracker.slave_list[i].mutex);
|
}
|
|
mlx4_dbg(dev, "Started init_resource_tracker: %ld slaves\n",
|
dev->num_slaves);
|
for (i = 0 ; i < MLX4_NUM_OF_RESOURCE_TYPE; i++)
|
priv->mfunc.master.res_tracker.res_tree[i] = RB_ROOT;
|
|
for (i = 0; i < MLX4_NUM_OF_RESOURCE_TYPE; i++) {
|
struct resource_allocator *res_alloc =
|
&priv->mfunc.master.res_tracker.res_alloc[i];
|
res_alloc->quota = kmalloc_array(dev->persist->num_vfs + 1,
|
sizeof(int),
|
GFP_KERNEL);
|
res_alloc->guaranteed = kmalloc_array(dev->persist->num_vfs + 1,
|
sizeof(int),
|
GFP_KERNEL);
|
if (i == RES_MAC || i == RES_VLAN)
|
res_alloc->allocated =
|
kcalloc(MLX4_MAX_PORTS *
|
(dev->persist->num_vfs + 1),
|
sizeof(int), GFP_KERNEL);
|
else
|
res_alloc->allocated =
|
kcalloc(dev->persist->num_vfs + 1,
|
sizeof(int), GFP_KERNEL);
|
/* Reduce the sink counter */
|
if (i == RES_COUNTER)
|
res_alloc->res_free = dev->caps.max_counters - 1;
|
|
if (!res_alloc->quota || !res_alloc->guaranteed ||
|
!res_alloc->allocated)
|
goto no_mem_err;
|
|
spin_lock_init(&res_alloc->alloc_lock);
|
for (t = 0; t < dev->persist->num_vfs + 1; t++) {
|
struct mlx4_active_ports actv_ports =
|
mlx4_get_active_ports(dev, t);
|
switch (i) {
|
case RES_QP:
|
initialize_res_quotas(dev, res_alloc, RES_QP,
|
t, dev->caps.num_qps -
|
dev->caps.reserved_qps -
|
mlx4_num_reserved_sqps(dev));
|
break;
|
case RES_CQ:
|
initialize_res_quotas(dev, res_alloc, RES_CQ,
|
t, dev->caps.num_cqs -
|
dev->caps.reserved_cqs);
|
break;
|
case RES_SRQ:
|
initialize_res_quotas(dev, res_alloc, RES_SRQ,
|
t, dev->caps.num_srqs -
|
dev->caps.reserved_srqs);
|
break;
|
case RES_MPT:
|
initialize_res_quotas(dev, res_alloc, RES_MPT,
|
t, dev->caps.num_mpts -
|
dev->caps.reserved_mrws);
|
break;
|
case RES_MTT:
|
initialize_res_quotas(dev, res_alloc, RES_MTT,
|
t, dev->caps.num_mtts -
|
dev->caps.reserved_mtts);
|
break;
|
case RES_MAC:
|
if (t == mlx4_master_func_num(dev)) {
|
int max_vfs_pport = 0;
|
/* Calculate the max vfs per port for */
|
/* both ports. */
|
for (j = 0; j < dev->caps.num_ports;
|
j++) {
|
struct mlx4_slaves_pport slaves_pport =
|
mlx4_phys_to_slaves_pport(dev, j + 1);
|
unsigned current_slaves =
|
bitmap_weight(slaves_pport.slaves,
|
dev->caps.num_ports) - 1;
|
if (max_vfs_pport < current_slaves)
|
max_vfs_pport =
|
current_slaves;
|
}
|
res_alloc->quota[t] =
|
MLX4_MAX_MAC_NUM -
|
2 * max_vfs_pport;
|
res_alloc->guaranteed[t] = 2;
|
for (j = 0; j < MLX4_MAX_PORTS; j++)
|
res_alloc->res_port_free[j] =
|
MLX4_MAX_MAC_NUM;
|
} else {
|
res_alloc->quota[t] = MLX4_MAX_MAC_NUM;
|
res_alloc->guaranteed[t] = 2;
|
}
|
break;
|
case RES_VLAN:
|
if (t == mlx4_master_func_num(dev)) {
|
res_alloc->quota[t] = MLX4_MAX_VLAN_NUM;
|
res_alloc->guaranteed[t] = MLX4_MAX_VLAN_NUM / 2;
|
for (j = 0; j < MLX4_MAX_PORTS; j++)
|
res_alloc->res_port_free[j] =
|
res_alloc->quota[t];
|
} else {
|
res_alloc->quota[t] = MLX4_MAX_VLAN_NUM / 2;
|
res_alloc->guaranteed[t] = 0;
|
}
|
break;
|
case RES_COUNTER:
|
res_alloc->quota[t] = dev->caps.max_counters;
|
res_alloc->guaranteed[t] =
|
mlx4_calc_res_counter_guaranteed(dev, res_alloc, t);
|
break;
|
default:
|
break;
|
}
|
if (i == RES_MAC || i == RES_VLAN) {
|
for (j = 0; j < dev->caps.num_ports; j++)
|
if (test_bit(j, actv_ports.ports))
|
res_alloc->res_port_rsvd[j] +=
|
res_alloc->guaranteed[t];
|
} else {
|
res_alloc->res_reserved += res_alloc->guaranteed[t];
|
}
|
}
|
}
|
spin_lock_init(&priv->mfunc.master.res_tracker.lock);
|
return 0;
|
|
no_mem_err:
|
for (i = 0; i < MLX4_NUM_OF_RESOURCE_TYPE; i++) {
|
kfree(priv->mfunc.master.res_tracker.res_alloc[i].allocated);
|
priv->mfunc.master.res_tracker.res_alloc[i].allocated = NULL;
|
kfree(priv->mfunc.master.res_tracker.res_alloc[i].guaranteed);
|
priv->mfunc.master.res_tracker.res_alloc[i].guaranteed = NULL;
|
kfree(priv->mfunc.master.res_tracker.res_alloc[i].quota);
|
priv->mfunc.master.res_tracker.res_alloc[i].quota = NULL;
|
}
|
return -ENOMEM;
|
}
|
|
void mlx4_free_resource_tracker(struct mlx4_dev *dev,
|
enum mlx4_res_tracker_free_type type)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
int i;
|
|
if (priv->mfunc.master.res_tracker.slave_list) {
|
if (type != RES_TR_FREE_STRUCTS_ONLY) {
|
for (i = 0; i < dev->num_slaves; i++) {
|
if (type == RES_TR_FREE_ALL ||
|
dev->caps.function != i)
|
mlx4_delete_all_resources_for_slave(dev, i);
|
}
|
/* free master's vlans */
|
i = dev->caps.function;
|
mlx4_reset_roce_gids(dev, i);
|
mutex_lock(&priv->mfunc.master.res_tracker.slave_list[i].mutex);
|
rem_slave_vlans(dev, i);
|
mutex_unlock(&priv->mfunc.master.res_tracker.slave_list[i].mutex);
|
}
|
|
if (type != RES_TR_FREE_SLAVES_ONLY) {
|
for (i = 0; i < MLX4_NUM_OF_RESOURCE_TYPE; i++) {
|
kfree(priv->mfunc.master.res_tracker.res_alloc[i].allocated);
|
priv->mfunc.master.res_tracker.res_alloc[i].allocated = NULL;
|
kfree(priv->mfunc.master.res_tracker.res_alloc[i].guaranteed);
|
priv->mfunc.master.res_tracker.res_alloc[i].guaranteed = NULL;
|
kfree(priv->mfunc.master.res_tracker.res_alloc[i].quota);
|
priv->mfunc.master.res_tracker.res_alloc[i].quota = NULL;
|
}
|
kfree(priv->mfunc.master.res_tracker.slave_list);
|
priv->mfunc.master.res_tracker.slave_list = NULL;
|
}
|
}
|
}
|
|
static void update_pkey_index(struct mlx4_dev *dev, int slave,
|
struct mlx4_cmd_mailbox *inbox)
|
{
|
u8 sched = *(u8 *)(inbox->buf + 64);
|
u8 orig_index = *(u8 *)(inbox->buf + 35);
|
u8 new_index;
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
int port;
|
|
port = (sched >> 6 & 1) + 1;
|
|
new_index = priv->virt2phys_pkey[slave][port - 1][orig_index];
|
*(u8 *)(inbox->buf + 35) = new_index;
|
}
|
|
static void update_gid(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *inbox,
|
u8 slave)
|
{
|
struct mlx4_qp_context *qp_ctx = inbox->buf + 8;
|
enum mlx4_qp_optpar optpar = be32_to_cpu(*(__be32 *) inbox->buf);
|
u32 ts = (be32_to_cpu(qp_ctx->flags) >> 16) & 0xff;
|
int port;
|
|
if (MLX4_QP_ST_UD == ts) {
|
port = (qp_ctx->pri_path.sched_queue >> 6 & 1) + 1;
|
if (mlx4_is_eth(dev, port))
|
qp_ctx->pri_path.mgid_index =
|
mlx4_get_base_gid_ix(dev, slave, port) | 0x80;
|
else
|
qp_ctx->pri_path.mgid_index = slave | 0x80;
|
|
} else if (MLX4_QP_ST_RC == ts || MLX4_QP_ST_XRC == ts || MLX4_QP_ST_UC == ts) {
|
if (optpar & MLX4_QP_OPTPAR_PRIMARY_ADDR_PATH) {
|
port = (qp_ctx->pri_path.sched_queue >> 6 & 1) + 1;
|
if (mlx4_is_eth(dev, port)) {
|
qp_ctx->pri_path.mgid_index +=
|
mlx4_get_base_gid_ix(dev, slave, port);
|
qp_ctx->pri_path.mgid_index &= 0x7f;
|
} else {
|
qp_ctx->pri_path.mgid_index = slave & 0x7F;
|
}
|
}
|
if (optpar & MLX4_QP_OPTPAR_ALT_ADDR_PATH) {
|
port = (qp_ctx->alt_path.sched_queue >> 6 & 1) + 1;
|
if (mlx4_is_eth(dev, port)) {
|
qp_ctx->alt_path.mgid_index +=
|
mlx4_get_base_gid_ix(dev, slave, port);
|
qp_ctx->alt_path.mgid_index &= 0x7f;
|
} else {
|
qp_ctx->alt_path.mgid_index = slave & 0x7F;
|
}
|
}
|
}
|
}
|
|
static int handle_counter(struct mlx4_dev *dev, struct mlx4_qp_context *qpc,
|
u8 slave, int port);
|
|
static int update_vport_qp_param(struct mlx4_dev *dev,
|
struct mlx4_cmd_mailbox *inbox,
|
u8 slave, u32 qpn)
|
{
|
struct mlx4_qp_context *qpc = inbox->buf + 8;
|
struct mlx4_vport_oper_state *vp_oper;
|
struct mlx4_priv *priv;
|
u32 qp_type;
|
int port, err = 0;
|
|
port = (qpc->pri_path.sched_queue & 0x40) ? 2 : 1;
|
priv = mlx4_priv(dev);
|
vp_oper = &priv->mfunc.master.vf_oper[slave].vport[port];
|
qp_type = (be32_to_cpu(qpc->flags) >> 16) & 0xff;
|
|
err = handle_counter(dev, qpc, slave, port);
|
if (err)
|
goto out;
|
|
if (MLX4_VGT != vp_oper->state.default_vlan) {
|
/* the reserved QPs (special, proxy, tunnel)
|
* do not operate over vlans
|
*/
|
if (mlx4_is_qp_reserved(dev, qpn))
|
return 0;
|
|
/* force strip vlan by clear vsd, MLX QP refers to Raw Ethernet */
|
if (qp_type == MLX4_QP_ST_UD ||
|
(qp_type == MLX4_QP_ST_MLX && mlx4_is_eth(dev, port))) {
|
if (dev->caps.bmme_flags & MLX4_BMME_FLAG_VSD_INIT2RTR) {
|
*(__be32 *)inbox->buf =
|
cpu_to_be32(be32_to_cpu(*(__be32 *)inbox->buf) |
|
MLX4_QP_OPTPAR_VLAN_STRIPPING);
|
qpc->param3 &= ~cpu_to_be32(MLX4_STRIP_VLAN);
|
} else {
|
struct mlx4_update_qp_params params = {.flags = 0};
|
|
err = mlx4_update_qp(dev, qpn, MLX4_UPDATE_QP_VSD, ¶ms);
|
if (err)
|
goto out;
|
}
|
}
|
|
/* preserve IF_COUNTER flag */
|
qpc->pri_path.vlan_control &=
|
MLX4_CTRL_ETH_SRC_CHECK_IF_COUNTER;
|
if (vp_oper->state.link_state == IFLA_VF_LINK_STATE_DISABLE &&
|
dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_UPDATE_QP) {
|
qpc->pri_path.vlan_control |=
|
MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED |
|
MLX4_VLAN_CTRL_ETH_TX_BLOCK_PRIO_TAGGED |
|
MLX4_VLAN_CTRL_ETH_TX_BLOCK_UNTAGGED |
|
MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED |
|
MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED |
|
MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED;
|
} else if (0 != vp_oper->state.default_vlan) {
|
if (vp_oper->state.vlan_proto == htons(ETH_P_8021AD)) {
|
/* vst QinQ should block untagged on TX,
|
* but cvlan is in payload and phv is set so
|
* hw see it as untagged. Block tagged instead.
|
*/
|
qpc->pri_path.vlan_control |=
|
MLX4_VLAN_CTRL_ETH_TX_BLOCK_PRIO_TAGGED |
|
MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED |
|
MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED |
|
MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED;
|
} else { /* vst 802.1Q */
|
qpc->pri_path.vlan_control |=
|
MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED |
|
MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED |
|
MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED;
|
}
|
} else { /* priority tagged */
|
qpc->pri_path.vlan_control |=
|
MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED |
|
MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED;
|
}
|
|
qpc->pri_path.fvl_rx |= MLX4_FVL_RX_FORCE_ETH_VLAN;
|
qpc->pri_path.vlan_index = vp_oper->vlan_idx;
|
qpc->pri_path.fl |= MLX4_FL_ETH_HIDE_CQE_VLAN;
|
if (vp_oper->state.vlan_proto == htons(ETH_P_8021AD))
|
qpc->pri_path.fl |= MLX4_FL_SV;
|
else
|
qpc->pri_path.fl |= MLX4_FL_CV;
|
qpc->pri_path.feup |= MLX4_FEUP_FORCE_ETH_UP | MLX4_FVL_FORCE_ETH_VLAN;
|
qpc->pri_path.sched_queue &= 0xC7;
|
qpc->pri_path.sched_queue |= (vp_oper->state.default_qos) << 3;
|
qpc->qos_vport = vp_oper->state.qos_vport;
|
}
|
if (vp_oper->state.spoofchk) {
|
qpc->pri_path.feup |= MLX4_FSM_FORCE_ETH_SRC_MAC;
|
qpc->pri_path.grh_mylmc = (0x80 & qpc->pri_path.grh_mylmc) + vp_oper->mac_idx;
|
}
|
out:
|
return err;
|
}
|
|
static int mpt_mask(struct mlx4_dev *dev)
|
{
|
return dev->caps.num_mpts - 1;
|
}
|
|
static const char *mlx4_resource_type_to_str(enum mlx4_resource t)
|
{
|
switch (t) {
|
case RES_QP:
|
return "QP";
|
case RES_CQ:
|
return "CQ";
|
case RES_SRQ:
|
return "SRQ";
|
case RES_XRCD:
|
return "XRCD";
|
case RES_MPT:
|
return "MPT";
|
case RES_MTT:
|
return "MTT";
|
case RES_MAC:
|
return "MAC";
|
case RES_VLAN:
|
return "VLAN";
|
case RES_COUNTER:
|
return "COUNTER";
|
case RES_FS_RULE:
|
return "FS_RULE";
|
case RES_EQ:
|
return "EQ";
|
default:
|
return "INVALID RESOURCE";
|
}
|
}
|
|
static void *find_res(struct mlx4_dev *dev, u64 res_id,
|
enum mlx4_resource type)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
|
return res_tracker_lookup(&priv->mfunc.master.res_tracker.res_tree[type],
|
res_id);
|
}
|
|
static int _get_res(struct mlx4_dev *dev, int slave, u64 res_id,
|
enum mlx4_resource type,
|
void *res, const char *func_name)
|
{
|
struct res_common *r;
|
int err = 0;
|
|
spin_lock_irq(mlx4_tlock(dev));
|
r = find_res(dev, res_id, type);
|
if (!r) {
|
err = -ENONET;
|
goto exit;
|
}
|
|
if (r->state == RES_ANY_BUSY) {
|
mlx4_warn(dev,
|
"%s(%d) trying to get resource %llx of type %s, but it's already taken by %s\n",
|
func_name, slave, res_id, mlx4_resource_type_to_str(type),
|
r->func_name);
|
err = -EBUSY;
|
goto exit;
|
}
|
|
if (r->owner != slave) {
|
err = -EPERM;
|
goto exit;
|
}
|
|
r->from_state = r->state;
|
r->state = RES_ANY_BUSY;
|
r->func_name = func_name;
|
|
if (res)
|
*((struct res_common **)res) = r;
|
|
exit:
|
spin_unlock_irq(mlx4_tlock(dev));
|
return err;
|
}
|
|
#define get_res(dev, slave, res_id, type, res) \
|
_get_res((dev), (slave), (res_id), (type), (res), __func__)
|
|
int mlx4_get_slave_from_resource_id(struct mlx4_dev *dev,
|
enum mlx4_resource type,
|
u64 res_id, int *slave)
|
{
|
|
struct res_common *r;
|
int err = -ENOENT;
|
int id = res_id;
|
|
if (type == RES_QP)
|
id &= 0x7fffff;
|
spin_lock(mlx4_tlock(dev));
|
|
r = find_res(dev, id, type);
|
if (r) {
|
*slave = r->owner;
|
err = 0;
|
}
|
spin_unlock(mlx4_tlock(dev));
|
|
return err;
|
}
|
|
static void put_res(struct mlx4_dev *dev, int slave, u64 res_id,
|
enum mlx4_resource type)
|
{
|
struct res_common *r;
|
|
spin_lock_irq(mlx4_tlock(dev));
|
r = find_res(dev, res_id, type);
|
if (r) {
|
r->state = r->from_state;
|
r->func_name = "";
|
}
|
spin_unlock_irq(mlx4_tlock(dev));
|
}
|
|
static int counter_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd,
|
u64 in_param, u64 *out_param, int port);
|
|
static int handle_existing_counter(struct mlx4_dev *dev, u8 slave, int port,
|
int counter_index)
|
{
|
struct res_common *r;
|
struct res_counter *counter;
|
int ret = 0;
|
|
if (counter_index == MLX4_SINK_COUNTER_INDEX(dev))
|
return ret;
|
|
spin_lock_irq(mlx4_tlock(dev));
|
r = find_res(dev, counter_index, RES_COUNTER);
|
if (!r || r->owner != slave) {
|
ret = -EINVAL;
|
} else {
|
counter = container_of(r, struct res_counter, com);
|
if (!counter->port)
|
counter->port = port;
|
}
|
|
spin_unlock_irq(mlx4_tlock(dev));
|
return ret;
|
}
|
|
static int handle_unexisting_counter(struct mlx4_dev *dev,
|
struct mlx4_qp_context *qpc, u8 slave,
|
int port)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
|
struct res_common *tmp;
|
struct res_counter *counter;
|
u64 counter_idx = MLX4_SINK_COUNTER_INDEX(dev);
|
int err = 0;
|
|
spin_lock_irq(mlx4_tlock(dev));
|
list_for_each_entry(tmp,
|
&tracker->slave_list[slave].res_list[RES_COUNTER],
|
list) {
|
counter = container_of(tmp, struct res_counter, com);
|
if (port == counter->port) {
|
qpc->pri_path.counter_index = counter->com.res_id;
|
spin_unlock_irq(mlx4_tlock(dev));
|
return 0;
|
}
|
}
|
spin_unlock_irq(mlx4_tlock(dev));
|
|
/* No existing counter, need to allocate a new counter */
|
err = counter_alloc_res(dev, slave, RES_OP_RESERVE, 0, 0, &counter_idx,
|
port);
|
if (err == -ENOENT) {
|
err = 0;
|
} else if (err && err != -ENOSPC) {
|
mlx4_err(dev, "%s: failed to create new counter for slave %d err %d\n",
|
__func__, slave, err);
|
} else {
|
qpc->pri_path.counter_index = counter_idx;
|
mlx4_dbg(dev, "%s: alloc new counter for slave %d index %d\n",
|
__func__, slave, qpc->pri_path.counter_index);
|
err = 0;
|
}
|
|
return err;
|
}
|
|
static int handle_counter(struct mlx4_dev *dev, struct mlx4_qp_context *qpc,
|
u8 slave, int port)
|
{
|
if (qpc->pri_path.counter_index != MLX4_SINK_COUNTER_INDEX(dev))
|
return handle_existing_counter(dev, slave, port,
|
qpc->pri_path.counter_index);
|
|
return handle_unexisting_counter(dev, qpc, slave, port);
|
}
|
|
static struct res_common *alloc_qp_tr(int id)
|
{
|
struct res_qp *ret;
|
|
ret = kzalloc(sizeof(*ret), GFP_KERNEL);
|
if (!ret)
|
return NULL;
|
|
ret->com.res_id = id;
|
ret->com.state = RES_QP_RESERVED;
|
ret->local_qpn = id;
|
INIT_LIST_HEAD(&ret->mcg_list);
|
spin_lock_init(&ret->mcg_spl);
|
atomic_set(&ret->ref_count, 0);
|
|
return &ret->com;
|
}
|
|
static struct res_common *alloc_mtt_tr(int id, int order)
|
{
|
struct res_mtt *ret;
|
|
ret = kzalloc(sizeof(*ret), GFP_KERNEL);
|
if (!ret)
|
return NULL;
|
|
ret->com.res_id = id;
|
ret->order = order;
|
ret->com.state = RES_MTT_ALLOCATED;
|
atomic_set(&ret->ref_count, 0);
|
|
return &ret->com;
|
}
|
|
static struct res_common *alloc_mpt_tr(int id, int key)
|
{
|
struct res_mpt *ret;
|
|
ret = kzalloc(sizeof(*ret), GFP_KERNEL);
|
if (!ret)
|
return NULL;
|
|
ret->com.res_id = id;
|
ret->com.state = RES_MPT_RESERVED;
|
ret->key = key;
|
|
return &ret->com;
|
}
|
|
static struct res_common *alloc_eq_tr(int id)
|
{
|
struct res_eq *ret;
|
|
ret = kzalloc(sizeof(*ret), GFP_KERNEL);
|
if (!ret)
|
return NULL;
|
|
ret->com.res_id = id;
|
ret->com.state = RES_EQ_RESERVED;
|
|
return &ret->com;
|
}
|
|
static struct res_common *alloc_cq_tr(int id)
|
{
|
struct res_cq *ret;
|
|
ret = kzalloc(sizeof(*ret), GFP_KERNEL);
|
if (!ret)
|
return NULL;
|
|
ret->com.res_id = id;
|
ret->com.state = RES_CQ_ALLOCATED;
|
atomic_set(&ret->ref_count, 0);
|
|
return &ret->com;
|
}
|
|
static struct res_common *alloc_srq_tr(int id)
|
{
|
struct res_srq *ret;
|
|
ret = kzalloc(sizeof(*ret), GFP_KERNEL);
|
if (!ret)
|
return NULL;
|
|
ret->com.res_id = id;
|
ret->com.state = RES_SRQ_ALLOCATED;
|
atomic_set(&ret->ref_count, 0);
|
|
return &ret->com;
|
}
|
|
static struct res_common *alloc_counter_tr(int id, int port)
|
{
|
struct res_counter *ret;
|
|
ret = kzalloc(sizeof(*ret), GFP_KERNEL);
|
if (!ret)
|
return NULL;
|
|
ret->com.res_id = id;
|
ret->com.state = RES_COUNTER_ALLOCATED;
|
ret->port = port;
|
|
return &ret->com;
|
}
|
|
static struct res_common *alloc_xrcdn_tr(int id)
|
{
|
struct res_xrcdn *ret;
|
|
ret = kzalloc(sizeof(*ret), GFP_KERNEL);
|
if (!ret)
|
return NULL;
|
|
ret->com.res_id = id;
|
ret->com.state = RES_XRCD_ALLOCATED;
|
|
return &ret->com;
|
}
|
|
static struct res_common *alloc_fs_rule_tr(u64 id, int qpn)
|
{
|
struct res_fs_rule *ret;
|
|
ret = kzalloc(sizeof(*ret), GFP_KERNEL);
|
if (!ret)
|
return NULL;
|
|
ret->com.res_id = id;
|
ret->com.state = RES_FS_RULE_ALLOCATED;
|
ret->qpn = qpn;
|
return &ret->com;
|
}
|
|
static struct res_common *alloc_tr(u64 id, enum mlx4_resource type, int slave,
|
int extra)
|
{
|
struct res_common *ret;
|
|
switch (type) {
|
case RES_QP:
|
ret = alloc_qp_tr(id);
|
break;
|
case RES_MPT:
|
ret = alloc_mpt_tr(id, extra);
|
break;
|
case RES_MTT:
|
ret = alloc_mtt_tr(id, extra);
|
break;
|
case RES_EQ:
|
ret = alloc_eq_tr(id);
|
break;
|
case RES_CQ:
|
ret = alloc_cq_tr(id);
|
break;
|
case RES_SRQ:
|
ret = alloc_srq_tr(id);
|
break;
|
case RES_MAC:
|
pr_err("implementation missing\n");
|
return NULL;
|
case RES_COUNTER:
|
ret = alloc_counter_tr(id, extra);
|
break;
|
case RES_XRCD:
|
ret = alloc_xrcdn_tr(id);
|
break;
|
case RES_FS_RULE:
|
ret = alloc_fs_rule_tr(id, extra);
|
break;
|
default:
|
return NULL;
|
}
|
if (ret)
|
ret->owner = slave;
|
|
return ret;
|
}
|
|
int mlx4_calc_vf_counters(struct mlx4_dev *dev, int slave, int port,
|
struct mlx4_counter *data)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
|
struct res_common *tmp;
|
struct res_counter *counter;
|
int *counters_arr;
|
int i = 0, err = 0;
|
|
memset(data, 0, sizeof(*data));
|
|
counters_arr = kmalloc_array(dev->caps.max_counters,
|
sizeof(*counters_arr), GFP_KERNEL);
|
if (!counters_arr)
|
return -ENOMEM;
|
|
spin_lock_irq(mlx4_tlock(dev));
|
list_for_each_entry(tmp,
|
&tracker->slave_list[slave].res_list[RES_COUNTER],
|
list) {
|
counter = container_of(tmp, struct res_counter, com);
|
if (counter->port == port) {
|
counters_arr[i] = (int)tmp->res_id;
|
i++;
|
}
|
}
|
spin_unlock_irq(mlx4_tlock(dev));
|
counters_arr[i] = -1;
|
|
i = 0;
|
|
while (counters_arr[i] != -1) {
|
err = mlx4_get_counter_stats(dev, counters_arr[i], data,
|
0);
|
if (err) {
|
memset(data, 0, sizeof(*data));
|
goto table_changed;
|
}
|
i++;
|
}
|
|
table_changed:
|
kfree(counters_arr);
|
return 0;
|
}
|
|
static int add_res_range(struct mlx4_dev *dev, int slave, u64 base, int count,
|
enum mlx4_resource type, int extra)
|
{
|
int i;
|
int err;
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct res_common **res_arr;
|
struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
|
struct rb_root *root = &tracker->res_tree[type];
|
|
res_arr = kcalloc(count, sizeof(*res_arr), GFP_KERNEL);
|
if (!res_arr)
|
return -ENOMEM;
|
|
for (i = 0; i < count; ++i) {
|
res_arr[i] = alloc_tr(base + i, type, slave, extra);
|
if (!res_arr[i]) {
|
for (--i; i >= 0; --i)
|
kfree(res_arr[i]);
|
|
kfree(res_arr);
|
return -ENOMEM;
|
}
|
}
|
|
spin_lock_irq(mlx4_tlock(dev));
|
for (i = 0; i < count; ++i) {
|
if (find_res(dev, base + i, type)) {
|
err = -EEXIST;
|
goto undo;
|
}
|
err = res_tracker_insert(root, res_arr[i]);
|
if (err)
|
goto undo;
|
list_add_tail(&res_arr[i]->list,
|
&tracker->slave_list[slave].res_list[type]);
|
}
|
spin_unlock_irq(mlx4_tlock(dev));
|
kfree(res_arr);
|
|
return 0;
|
|
undo:
|
for (--i; i >= 0; --i) {
|
rb_erase(&res_arr[i]->node, root);
|
list_del_init(&res_arr[i]->list);
|
}
|
|
spin_unlock_irq(mlx4_tlock(dev));
|
|
for (i = 0; i < count; ++i)
|
kfree(res_arr[i]);
|
|
kfree(res_arr);
|
|
return err;
|
}
|
|
static int remove_qp_ok(struct res_qp *res)
|
{
|
if (res->com.state == RES_QP_BUSY || atomic_read(&res->ref_count) ||
|
!list_empty(&res->mcg_list)) {
|
pr_err("resource tracker: fail to remove qp, state %d, ref_count %d\n",
|
res->com.state, atomic_read(&res->ref_count));
|
return -EBUSY;
|
} else if (res->com.state != RES_QP_RESERVED) {
|
return -EPERM;
|
}
|
|
return 0;
|
}
|
|
static int remove_mtt_ok(struct res_mtt *res, int order)
|
{
|
if (res->com.state == RES_MTT_BUSY ||
|
atomic_read(&res->ref_count)) {
|
pr_devel("%s-%d: state %s, ref_count %d\n",
|
__func__, __LINE__,
|
mtt_states_str(res->com.state),
|
atomic_read(&res->ref_count));
|
return -EBUSY;
|
} else if (res->com.state != RES_MTT_ALLOCATED)
|
return -EPERM;
|
else if (res->order != order)
|
return -EINVAL;
|
|
return 0;
|
}
|
|
static int remove_mpt_ok(struct res_mpt *res)
|
{
|
if (res->com.state == RES_MPT_BUSY)
|
return -EBUSY;
|
else if (res->com.state != RES_MPT_RESERVED)
|
return -EPERM;
|
|
return 0;
|
}
|
|
static int remove_eq_ok(struct res_eq *res)
|
{
|
if (res->com.state == RES_MPT_BUSY)
|
return -EBUSY;
|
else if (res->com.state != RES_MPT_RESERVED)
|
return -EPERM;
|
|
return 0;
|
}
|
|
static int remove_counter_ok(struct res_counter *res)
|
{
|
if (res->com.state == RES_COUNTER_BUSY)
|
return -EBUSY;
|
else if (res->com.state != RES_COUNTER_ALLOCATED)
|
return -EPERM;
|
|
return 0;
|
}
|
|
static int remove_xrcdn_ok(struct res_xrcdn *res)
|
{
|
if (res->com.state == RES_XRCD_BUSY)
|
return -EBUSY;
|
else if (res->com.state != RES_XRCD_ALLOCATED)
|
return -EPERM;
|
|
return 0;
|
}
|
|
static int remove_fs_rule_ok(struct res_fs_rule *res)
|
{
|
if (res->com.state == RES_FS_RULE_BUSY)
|
return -EBUSY;
|
else if (res->com.state != RES_FS_RULE_ALLOCATED)
|
return -EPERM;
|
|
return 0;
|
}
|
|
static int remove_cq_ok(struct res_cq *res)
|
{
|
if (res->com.state == RES_CQ_BUSY)
|
return -EBUSY;
|
else if (res->com.state != RES_CQ_ALLOCATED)
|
return -EPERM;
|
|
return 0;
|
}
|
|
static int remove_srq_ok(struct res_srq *res)
|
{
|
if (res->com.state == RES_SRQ_BUSY)
|
return -EBUSY;
|
else if (res->com.state != RES_SRQ_ALLOCATED)
|
return -EPERM;
|
|
return 0;
|
}
|
|
static int remove_ok(struct res_common *res, enum mlx4_resource type, int extra)
|
{
|
switch (type) {
|
case RES_QP:
|
return remove_qp_ok((struct res_qp *)res);
|
case RES_CQ:
|
return remove_cq_ok((struct res_cq *)res);
|
case RES_SRQ:
|
return remove_srq_ok((struct res_srq *)res);
|
case RES_MPT:
|
return remove_mpt_ok((struct res_mpt *)res);
|
case RES_MTT:
|
return remove_mtt_ok((struct res_mtt *)res, extra);
|
case RES_MAC:
|
return -EOPNOTSUPP;
|
case RES_EQ:
|
return remove_eq_ok((struct res_eq *)res);
|
case RES_COUNTER:
|
return remove_counter_ok((struct res_counter *)res);
|
case RES_XRCD:
|
return remove_xrcdn_ok((struct res_xrcdn *)res);
|
case RES_FS_RULE:
|
return remove_fs_rule_ok((struct res_fs_rule *)res);
|
default:
|
return -EINVAL;
|
}
|
}
|
|
static int rem_res_range(struct mlx4_dev *dev, int slave, u64 base, int count,
|
enum mlx4_resource type, int extra)
|
{
|
u64 i;
|
int err;
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
|
struct res_common *r;
|
|
spin_lock_irq(mlx4_tlock(dev));
|
for (i = base; i < base + count; ++i) {
|
r = res_tracker_lookup(&tracker->res_tree[type], i);
|
if (!r) {
|
err = -ENOENT;
|
goto out;
|
}
|
if (r->owner != slave) {
|
err = -EPERM;
|
goto out;
|
}
|
err = remove_ok(r, type, extra);
|
if (err)
|
goto out;
|
}
|
|
for (i = base; i < base + count; ++i) {
|
r = res_tracker_lookup(&tracker->res_tree[type], i);
|
rb_erase(&r->node, &tracker->res_tree[type]);
|
list_del(&r->list);
|
kfree(r);
|
}
|
err = 0;
|
|
out:
|
spin_unlock_irq(mlx4_tlock(dev));
|
|
return err;
|
}
|
|
static int qp_res_start_move_to(struct mlx4_dev *dev, int slave, int qpn,
|
enum res_qp_states state, struct res_qp **qp,
|
int alloc)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
|
struct res_qp *r;
|
int err = 0;
|
|
spin_lock_irq(mlx4_tlock(dev));
|
r = res_tracker_lookup(&tracker->res_tree[RES_QP], qpn);
|
if (!r)
|
err = -ENOENT;
|
else if (r->com.owner != slave)
|
err = -EPERM;
|
else {
|
switch (state) {
|
case RES_QP_BUSY:
|
mlx4_dbg(dev, "%s: failed RES_QP, 0x%llx\n",
|
__func__, r->com.res_id);
|
err = -EBUSY;
|
break;
|
|
case RES_QP_RESERVED:
|
if (r->com.state == RES_QP_MAPPED && !alloc)
|
break;
|
|
mlx4_dbg(dev, "failed RES_QP, 0x%llx\n", r->com.res_id);
|
err = -EINVAL;
|
break;
|
|
case RES_QP_MAPPED:
|
if ((r->com.state == RES_QP_RESERVED && alloc) ||
|
r->com.state == RES_QP_HW)
|
break;
|
else {
|
mlx4_dbg(dev, "failed RES_QP, 0x%llx\n",
|
r->com.res_id);
|
err = -EINVAL;
|
}
|
|
break;
|
|
case RES_QP_HW:
|
if (r->com.state != RES_QP_MAPPED)
|
err = -EINVAL;
|
break;
|
default:
|
err = -EINVAL;
|
}
|
|
if (!err) {
|
r->com.from_state = r->com.state;
|
r->com.to_state = state;
|
r->com.state = RES_QP_BUSY;
|
if (qp)
|
*qp = r;
|
}
|
}
|
|
spin_unlock_irq(mlx4_tlock(dev));
|
|
return err;
|
}
|
|
static int mr_res_start_move_to(struct mlx4_dev *dev, int slave, int index,
|
enum res_mpt_states state, struct res_mpt **mpt)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
|
struct res_mpt *r;
|
int err = 0;
|
|
spin_lock_irq(mlx4_tlock(dev));
|
r = res_tracker_lookup(&tracker->res_tree[RES_MPT], index);
|
if (!r)
|
err = -ENOENT;
|
else if (r->com.owner != slave)
|
err = -EPERM;
|
else {
|
switch (state) {
|
case RES_MPT_BUSY:
|
err = -EINVAL;
|
break;
|
|
case RES_MPT_RESERVED:
|
if (r->com.state != RES_MPT_MAPPED)
|
err = -EINVAL;
|
break;
|
|
case RES_MPT_MAPPED:
|
if (r->com.state != RES_MPT_RESERVED &&
|
r->com.state != RES_MPT_HW)
|
err = -EINVAL;
|
break;
|
|
case RES_MPT_HW:
|
if (r->com.state != RES_MPT_MAPPED)
|
err = -EINVAL;
|
break;
|
default:
|
err = -EINVAL;
|
}
|
|
if (!err) {
|
r->com.from_state = r->com.state;
|
r->com.to_state = state;
|
r->com.state = RES_MPT_BUSY;
|
if (mpt)
|
*mpt = r;
|
}
|
}
|
|
spin_unlock_irq(mlx4_tlock(dev));
|
|
return err;
|
}
|
|
static int eq_res_start_move_to(struct mlx4_dev *dev, int slave, int index,
|
enum res_eq_states state, struct res_eq **eq)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
|
struct res_eq *r;
|
int err = 0;
|
|
spin_lock_irq(mlx4_tlock(dev));
|
r = res_tracker_lookup(&tracker->res_tree[RES_EQ], index);
|
if (!r)
|
err = -ENOENT;
|
else if (r->com.owner != slave)
|
err = -EPERM;
|
else {
|
switch (state) {
|
case RES_EQ_BUSY:
|
err = -EINVAL;
|
break;
|
|
case RES_EQ_RESERVED:
|
if (r->com.state != RES_EQ_HW)
|
err = -EINVAL;
|
break;
|
|
case RES_EQ_HW:
|
if (r->com.state != RES_EQ_RESERVED)
|
err = -EINVAL;
|
break;
|
|
default:
|
err = -EINVAL;
|
}
|
|
if (!err) {
|
r->com.from_state = r->com.state;
|
r->com.to_state = state;
|
r->com.state = RES_EQ_BUSY;
|
}
|
}
|
|
spin_unlock_irq(mlx4_tlock(dev));
|
|
if (!err && eq)
|
*eq = r;
|
|
return err;
|
}
|
|
static int cq_res_start_move_to(struct mlx4_dev *dev, int slave, int cqn,
|
enum res_cq_states state, struct res_cq **cq)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
|
struct res_cq *r;
|
int err;
|
|
spin_lock_irq(mlx4_tlock(dev));
|
r = res_tracker_lookup(&tracker->res_tree[RES_CQ], cqn);
|
if (!r) {
|
err = -ENOENT;
|
} else if (r->com.owner != slave) {
|
err = -EPERM;
|
} else if (state == RES_CQ_ALLOCATED) {
|
if (r->com.state != RES_CQ_HW)
|
err = -EINVAL;
|
else if (atomic_read(&r->ref_count))
|
err = -EBUSY;
|
else
|
err = 0;
|
} else if (state != RES_CQ_HW || r->com.state != RES_CQ_ALLOCATED) {
|
err = -EINVAL;
|
} else {
|
err = 0;
|
}
|
|
if (!err) {
|
r->com.from_state = r->com.state;
|
r->com.to_state = state;
|
r->com.state = RES_CQ_BUSY;
|
if (cq)
|
*cq = r;
|
}
|
|
spin_unlock_irq(mlx4_tlock(dev));
|
|
return err;
|
}
|
|
static int srq_res_start_move_to(struct mlx4_dev *dev, int slave, int index,
|
enum res_srq_states state, struct res_srq **srq)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
|
struct res_srq *r;
|
int err = 0;
|
|
spin_lock_irq(mlx4_tlock(dev));
|
r = res_tracker_lookup(&tracker->res_tree[RES_SRQ], index);
|
if (!r) {
|
err = -ENOENT;
|
} else if (r->com.owner != slave) {
|
err = -EPERM;
|
} else if (state == RES_SRQ_ALLOCATED) {
|
if (r->com.state != RES_SRQ_HW)
|
err = -EINVAL;
|
else if (atomic_read(&r->ref_count))
|
err = -EBUSY;
|
} else if (state != RES_SRQ_HW || r->com.state != RES_SRQ_ALLOCATED) {
|
err = -EINVAL;
|
}
|
|
if (!err) {
|
r->com.from_state = r->com.state;
|
r->com.to_state = state;
|
r->com.state = RES_SRQ_BUSY;
|
if (srq)
|
*srq = r;
|
}
|
|
spin_unlock_irq(mlx4_tlock(dev));
|
|
return err;
|
}
|
|
static void res_abort_move(struct mlx4_dev *dev, int slave,
|
enum mlx4_resource type, int id)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
|
struct res_common *r;
|
|
spin_lock_irq(mlx4_tlock(dev));
|
r = res_tracker_lookup(&tracker->res_tree[type], id);
|
if (r && (r->owner == slave))
|
r->state = r->from_state;
|
spin_unlock_irq(mlx4_tlock(dev));
|
}
|
|
static void res_end_move(struct mlx4_dev *dev, int slave,
|
enum mlx4_resource type, int id)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
|
struct res_common *r;
|
|
spin_lock_irq(mlx4_tlock(dev));
|
r = res_tracker_lookup(&tracker->res_tree[type], id);
|
if (r && (r->owner == slave))
|
r->state = r->to_state;
|
spin_unlock_irq(mlx4_tlock(dev));
|
}
|
|
static int valid_reserved(struct mlx4_dev *dev, int slave, int qpn)
|
{
|
return mlx4_is_qp_reserved(dev, qpn) &&
|
(mlx4_is_master(dev) || mlx4_is_guest_proxy(dev, slave, qpn));
|
}
|
|
static int fw_reserved(struct mlx4_dev *dev, int qpn)
|
{
|
return qpn < dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW];
|
}
|
|
static int qp_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd,
|
u64 in_param, u64 *out_param)
|
{
|
int err;
|
int count;
|
int align;
|
int base;
|
int qpn;
|
u8 flags;
|
|
switch (op) {
|
case RES_OP_RESERVE:
|
count = get_param_l(&in_param) & 0xffffff;
|
/* Turn off all unsupported QP allocation flags that the
|
* slave tries to set.
|
*/
|
flags = (get_param_l(&in_param) >> 24) & dev->caps.alloc_res_qp_mask;
|
align = get_param_h(&in_param);
|
err = mlx4_grant_resource(dev, slave, RES_QP, count, 0);
|
if (err)
|
return err;
|
|
err = __mlx4_qp_reserve_range(dev, count, align, &base, flags);
|
if (err) {
|
mlx4_release_resource(dev, slave, RES_QP, count, 0);
|
return err;
|
}
|
|
err = add_res_range(dev, slave, base, count, RES_QP, 0);
|
if (err) {
|
mlx4_release_resource(dev, slave, RES_QP, count, 0);
|
__mlx4_qp_release_range(dev, base, count);
|
return err;
|
}
|
set_param_l(out_param, base);
|
break;
|
case RES_OP_MAP_ICM:
|
qpn = get_param_l(&in_param) & 0x7fffff;
|
if (valid_reserved(dev, slave, qpn)) {
|
err = add_res_range(dev, slave, qpn, 1, RES_QP, 0);
|
if (err)
|
return err;
|
}
|
|
err = qp_res_start_move_to(dev, slave, qpn, RES_QP_MAPPED,
|
NULL, 1);
|
if (err)
|
return err;
|
|
if (!fw_reserved(dev, qpn)) {
|
err = __mlx4_qp_alloc_icm(dev, qpn);
|
if (err) {
|
res_abort_move(dev, slave, RES_QP, qpn);
|
return err;
|
}
|
}
|
|
res_end_move(dev, slave, RES_QP, qpn);
|
break;
|
|
default:
|
err = -EINVAL;
|
break;
|
}
|
return err;
|
}
|
|
static int mtt_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd,
|
u64 in_param, u64 *out_param)
|
{
|
int err = -EINVAL;
|
int base;
|
int order;
|
|
if (op != RES_OP_RESERVE_AND_MAP)
|
return err;
|
|
order = get_param_l(&in_param);
|
|
err = mlx4_grant_resource(dev, slave, RES_MTT, 1 << order, 0);
|
if (err)
|
return err;
|
|
base = __mlx4_alloc_mtt_range(dev, order);
|
if (base == -1) {
|
mlx4_release_resource(dev, slave, RES_MTT, 1 << order, 0);
|
return -ENOMEM;
|
}
|
|
err = add_res_range(dev, slave, base, 1, RES_MTT, order);
|
if (err) {
|
mlx4_release_resource(dev, slave, RES_MTT, 1 << order, 0);
|
__mlx4_free_mtt_range(dev, base, order);
|
} else {
|
set_param_l(out_param, base);
|
}
|
|
return err;
|
}
|
|
static int mpt_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd,
|
u64 in_param, u64 *out_param)
|
{
|
int err = -EINVAL;
|
int index;
|
int id;
|
struct res_mpt *mpt;
|
|
switch (op) {
|
case RES_OP_RESERVE:
|
err = mlx4_grant_resource(dev, slave, RES_MPT, 1, 0);
|
if (err)
|
break;
|
|
index = __mlx4_mpt_reserve(dev);
|
if (index == -1) {
|
mlx4_release_resource(dev, slave, RES_MPT, 1, 0);
|
break;
|
}
|
id = index & mpt_mask(dev);
|
|
err = add_res_range(dev, slave, id, 1, RES_MPT, index);
|
if (err) {
|
mlx4_release_resource(dev, slave, RES_MPT, 1, 0);
|
__mlx4_mpt_release(dev, index);
|
break;
|
}
|
set_param_l(out_param, index);
|
break;
|
case RES_OP_MAP_ICM:
|
index = get_param_l(&in_param);
|
id = index & mpt_mask(dev);
|
err = mr_res_start_move_to(dev, slave, id,
|
RES_MPT_MAPPED, &mpt);
|
if (err)
|
return err;
|
|
err = __mlx4_mpt_alloc_icm(dev, mpt->key);
|
if (err) {
|
res_abort_move(dev, slave, RES_MPT, id);
|
return err;
|
}
|
|
res_end_move(dev, slave, RES_MPT, id);
|
break;
|
}
|
return err;
|
}
|
|
static int cq_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd,
|
u64 in_param, u64 *out_param)
|
{
|
int cqn;
|
int err;
|
|
switch (op) {
|
case RES_OP_RESERVE_AND_MAP:
|
err = mlx4_grant_resource(dev, slave, RES_CQ, 1, 0);
|
if (err)
|
break;
|
|
err = __mlx4_cq_alloc_icm(dev, &cqn);
|
if (err) {
|
mlx4_release_resource(dev, slave, RES_CQ, 1, 0);
|
break;
|
}
|
|
err = add_res_range(dev, slave, cqn, 1, RES_CQ, 0);
|
if (err) {
|
mlx4_release_resource(dev, slave, RES_CQ, 1, 0);
|
__mlx4_cq_free_icm(dev, cqn);
|
break;
|
}
|
|
set_param_l(out_param, cqn);
|
break;
|
|
default:
|
err = -EINVAL;
|
}
|
|
return err;
|
}
|
|
static int srq_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd,
|
u64 in_param, u64 *out_param)
|
{
|
int srqn;
|
int err;
|
|
switch (op) {
|
case RES_OP_RESERVE_AND_MAP:
|
err = mlx4_grant_resource(dev, slave, RES_SRQ, 1, 0);
|
if (err)
|
break;
|
|
err = __mlx4_srq_alloc_icm(dev, &srqn);
|
if (err) {
|
mlx4_release_resource(dev, slave, RES_SRQ, 1, 0);
|
break;
|
}
|
|
err = add_res_range(dev, slave, srqn, 1, RES_SRQ, 0);
|
if (err) {
|
mlx4_release_resource(dev, slave, RES_SRQ, 1, 0);
|
__mlx4_srq_free_icm(dev, srqn);
|
break;
|
}
|
|
set_param_l(out_param, srqn);
|
break;
|
|
default:
|
err = -EINVAL;
|
}
|
|
return err;
|
}
|
|
static int mac_find_smac_ix_in_slave(struct mlx4_dev *dev, int slave, int port,
|
u8 smac_index, u64 *mac)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
|
struct list_head *mac_list =
|
&tracker->slave_list[slave].res_list[RES_MAC];
|
struct mac_res *res, *tmp;
|
|
list_for_each_entry_safe(res, tmp, mac_list, list) {
|
if (res->smac_index == smac_index && res->port == (u8) port) {
|
*mac = res->mac;
|
return 0;
|
}
|
}
|
return -ENOENT;
|
}
|
|
static int mac_add_to_slave(struct mlx4_dev *dev, int slave, u64 mac, int port, u8 smac_index)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
|
struct list_head *mac_list =
|
&tracker->slave_list[slave].res_list[RES_MAC];
|
struct mac_res *res, *tmp;
|
|
list_for_each_entry_safe(res, tmp, mac_list, list) {
|
if (res->mac == mac && res->port == (u8) port) {
|
/* mac found. update ref count */
|
++res->ref_count;
|
return 0;
|
}
|
}
|
|
if (mlx4_grant_resource(dev, slave, RES_MAC, 1, port))
|
return -EINVAL;
|
res = kzalloc(sizeof(*res), GFP_KERNEL);
|
if (!res) {
|
mlx4_release_resource(dev, slave, RES_MAC, 1, port);
|
return -ENOMEM;
|
}
|
res->mac = mac;
|
res->port = (u8) port;
|
res->smac_index = smac_index;
|
res->ref_count = 1;
|
list_add_tail(&res->list,
|
&tracker->slave_list[slave].res_list[RES_MAC]);
|
return 0;
|
}
|
|
static void mac_del_from_slave(struct mlx4_dev *dev, int slave, u64 mac,
|
int port)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
|
struct list_head *mac_list =
|
&tracker->slave_list[slave].res_list[RES_MAC];
|
struct mac_res *res, *tmp;
|
|
list_for_each_entry_safe(res, tmp, mac_list, list) {
|
if (res->mac == mac && res->port == (u8) port) {
|
if (!--res->ref_count) {
|
list_del(&res->list);
|
mlx4_release_resource(dev, slave, RES_MAC, 1, port);
|
kfree(res);
|
}
|
break;
|
}
|
}
|
}
|
|
static void rem_slave_macs(struct mlx4_dev *dev, int slave)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
|
struct list_head *mac_list =
|
&tracker->slave_list[slave].res_list[RES_MAC];
|
struct mac_res *res, *tmp;
|
int i;
|
|
list_for_each_entry_safe(res, tmp, mac_list, list) {
|
list_del(&res->list);
|
/* dereference the mac the num times the slave referenced it */
|
for (i = 0; i < res->ref_count; i++)
|
__mlx4_unregister_mac(dev, res->port, res->mac);
|
mlx4_release_resource(dev, slave, RES_MAC, 1, res->port);
|
kfree(res);
|
}
|
}
|
|
static int mac_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd,
|
u64 in_param, u64 *out_param, int in_port)
|
{
|
int err = -EINVAL;
|
int port;
|
u64 mac;
|
u8 smac_index;
|
|
if (op != RES_OP_RESERVE_AND_MAP)
|
return err;
|
|
port = !in_port ? get_param_l(out_param) : in_port;
|
port = mlx4_slave_convert_port(
|
dev, slave, port);
|
|
if (port < 0)
|
return -EINVAL;
|
mac = in_param;
|
|
err = __mlx4_register_mac(dev, port, mac);
|
if (err >= 0) {
|
smac_index = err;
|
set_param_l(out_param, err);
|
err = 0;
|
}
|
|
if (!err) {
|
err = mac_add_to_slave(dev, slave, mac, port, smac_index);
|
if (err)
|
__mlx4_unregister_mac(dev, port, mac);
|
}
|
return err;
|
}
|
|
static int vlan_add_to_slave(struct mlx4_dev *dev, int slave, u16 vlan,
|
int port, int vlan_index)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
|
struct list_head *vlan_list =
|
&tracker->slave_list[slave].res_list[RES_VLAN];
|
struct vlan_res *res, *tmp;
|
|
list_for_each_entry_safe(res, tmp, vlan_list, list) {
|
if (res->vlan == vlan && res->port == (u8) port) {
|
/* vlan found. update ref count */
|
++res->ref_count;
|
return 0;
|
}
|
}
|
|
if (mlx4_grant_resource(dev, slave, RES_VLAN, 1, port))
|
return -EINVAL;
|
res = kzalloc(sizeof(*res), GFP_KERNEL);
|
if (!res) {
|
mlx4_release_resource(dev, slave, RES_VLAN, 1, port);
|
return -ENOMEM;
|
}
|
res->vlan = vlan;
|
res->port = (u8) port;
|
res->vlan_index = vlan_index;
|
res->ref_count = 1;
|
list_add_tail(&res->list,
|
&tracker->slave_list[slave].res_list[RES_VLAN]);
|
return 0;
|
}
|
|
|
static void vlan_del_from_slave(struct mlx4_dev *dev, int slave, u16 vlan,
|
int port)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
|
struct list_head *vlan_list =
|
&tracker->slave_list[slave].res_list[RES_VLAN];
|
struct vlan_res *res, *tmp;
|
|
list_for_each_entry_safe(res, tmp, vlan_list, list) {
|
if (res->vlan == vlan && res->port == (u8) port) {
|
if (!--res->ref_count) {
|
list_del(&res->list);
|
mlx4_release_resource(dev, slave, RES_VLAN,
|
1, port);
|
kfree(res);
|
}
|
break;
|
}
|
}
|
}
|
|
static void rem_slave_vlans(struct mlx4_dev *dev, int slave)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
|
struct list_head *vlan_list =
|
&tracker->slave_list[slave].res_list[RES_VLAN];
|
struct vlan_res *res, *tmp;
|
int i;
|
|
list_for_each_entry_safe(res, tmp, vlan_list, list) {
|
list_del(&res->list);
|
/* dereference the vlan the num times the slave referenced it */
|
for (i = 0; i < res->ref_count; i++)
|
__mlx4_unregister_vlan(dev, res->port, res->vlan);
|
mlx4_release_resource(dev, slave, RES_VLAN, 1, res->port);
|
kfree(res);
|
}
|
}
|
|
static int vlan_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd,
|
u64 in_param, u64 *out_param, int in_port)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct mlx4_slave_state *slave_state = priv->mfunc.master.slave_state;
|
int err;
|
u16 vlan;
|
int vlan_index;
|
int port;
|
|
port = !in_port ? get_param_l(out_param) : in_port;
|
|
if (!port || op != RES_OP_RESERVE_AND_MAP)
|
return -EINVAL;
|
|
port = mlx4_slave_convert_port(
|
dev, slave, port);
|
|
if (port < 0)
|
return -EINVAL;
|
/* upstream kernels had NOP for reg/unreg vlan. Continue this. */
|
if (!in_port && port > 0 && port <= dev->caps.num_ports) {
|
slave_state[slave].old_vlan_api = true;
|
return 0;
|
}
|
|
vlan = (u16) in_param;
|
|
err = __mlx4_register_vlan(dev, port, vlan, &vlan_index);
|
if (!err) {
|
set_param_l(out_param, (u32) vlan_index);
|
err = vlan_add_to_slave(dev, slave, vlan, port, vlan_index);
|
if (err)
|
__mlx4_unregister_vlan(dev, port, vlan);
|
}
|
return err;
|
}
|
|
static int counter_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd,
|
u64 in_param, u64 *out_param, int port)
|
{
|
u32 index;
|
int err;
|
|
if (op != RES_OP_RESERVE)
|
return -EINVAL;
|
|
err = mlx4_grant_resource(dev, slave, RES_COUNTER, 1, 0);
|
if (err)
|
return err;
|
|
err = __mlx4_counter_alloc(dev, &index);
|
if (err) {
|
mlx4_release_resource(dev, slave, RES_COUNTER, 1, 0);
|
return err;
|
}
|
|
err = add_res_range(dev, slave, index, 1, RES_COUNTER, port);
|
if (err) {
|
__mlx4_counter_free(dev, index);
|
mlx4_release_resource(dev, slave, RES_COUNTER, 1, 0);
|
} else {
|
set_param_l(out_param, index);
|
}
|
|
return err;
|
}
|
|
static int xrcdn_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd,
|
u64 in_param, u64 *out_param)
|
{
|
u32 xrcdn;
|
int err;
|
|
if (op != RES_OP_RESERVE)
|
return -EINVAL;
|
|
err = __mlx4_xrcd_alloc(dev, &xrcdn);
|
if (err)
|
return err;
|
|
err = add_res_range(dev, slave, xrcdn, 1, RES_XRCD, 0);
|
if (err)
|
__mlx4_xrcd_free(dev, xrcdn);
|
else
|
set_param_l(out_param, xrcdn);
|
|
return err;
|
}
|
|
int mlx4_ALLOC_RES_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
int err;
|
int alop = vhcr->op_modifier;
|
|
switch (vhcr->in_modifier & 0xFF) {
|
case RES_QP:
|
err = qp_alloc_res(dev, slave, vhcr->op_modifier, alop,
|
vhcr->in_param, &vhcr->out_param);
|
break;
|
|
case RES_MTT:
|
err = mtt_alloc_res(dev, slave, vhcr->op_modifier, alop,
|
vhcr->in_param, &vhcr->out_param);
|
break;
|
|
case RES_MPT:
|
err = mpt_alloc_res(dev, slave, vhcr->op_modifier, alop,
|
vhcr->in_param, &vhcr->out_param);
|
break;
|
|
case RES_CQ:
|
err = cq_alloc_res(dev, slave, vhcr->op_modifier, alop,
|
vhcr->in_param, &vhcr->out_param);
|
break;
|
|
case RES_SRQ:
|
err = srq_alloc_res(dev, slave, vhcr->op_modifier, alop,
|
vhcr->in_param, &vhcr->out_param);
|
break;
|
|
case RES_MAC:
|
err = mac_alloc_res(dev, slave, vhcr->op_modifier, alop,
|
vhcr->in_param, &vhcr->out_param,
|
(vhcr->in_modifier >> 8) & 0xFF);
|
break;
|
|
case RES_VLAN:
|
err = vlan_alloc_res(dev, slave, vhcr->op_modifier, alop,
|
vhcr->in_param, &vhcr->out_param,
|
(vhcr->in_modifier >> 8) & 0xFF);
|
break;
|
|
case RES_COUNTER:
|
err = counter_alloc_res(dev, slave, vhcr->op_modifier, alop,
|
vhcr->in_param, &vhcr->out_param, 0);
|
break;
|
|
case RES_XRCD:
|
err = xrcdn_alloc_res(dev, slave, vhcr->op_modifier, alop,
|
vhcr->in_param, &vhcr->out_param);
|
break;
|
|
default:
|
err = -EINVAL;
|
break;
|
}
|
|
return err;
|
}
|
|
static int qp_free_res(struct mlx4_dev *dev, int slave, int op, int cmd,
|
u64 in_param)
|
{
|
int err;
|
int count;
|
int base;
|
int qpn;
|
|
switch (op) {
|
case RES_OP_RESERVE:
|
base = get_param_l(&in_param) & 0x7fffff;
|
count = get_param_h(&in_param);
|
err = rem_res_range(dev, slave, base, count, RES_QP, 0);
|
if (err)
|
break;
|
mlx4_release_resource(dev, slave, RES_QP, count, 0);
|
__mlx4_qp_release_range(dev, base, count);
|
break;
|
case RES_OP_MAP_ICM:
|
qpn = get_param_l(&in_param) & 0x7fffff;
|
err = qp_res_start_move_to(dev, slave, qpn, RES_QP_RESERVED,
|
NULL, 0);
|
if (err)
|
return err;
|
|
if (!fw_reserved(dev, qpn))
|
__mlx4_qp_free_icm(dev, qpn);
|
|
res_end_move(dev, slave, RES_QP, qpn);
|
|
if (valid_reserved(dev, slave, qpn))
|
err = rem_res_range(dev, slave, qpn, 1, RES_QP, 0);
|
break;
|
default:
|
err = -EINVAL;
|
break;
|
}
|
return err;
|
}
|
|
static int mtt_free_res(struct mlx4_dev *dev, int slave, int op, int cmd,
|
u64 in_param, u64 *out_param)
|
{
|
int err = -EINVAL;
|
int base;
|
int order;
|
|
if (op != RES_OP_RESERVE_AND_MAP)
|
return err;
|
|
base = get_param_l(&in_param);
|
order = get_param_h(&in_param);
|
err = rem_res_range(dev, slave, base, 1, RES_MTT, order);
|
if (!err) {
|
mlx4_release_resource(dev, slave, RES_MTT, 1 << order, 0);
|
__mlx4_free_mtt_range(dev, base, order);
|
}
|
return err;
|
}
|
|
static int mpt_free_res(struct mlx4_dev *dev, int slave, int op, int cmd,
|
u64 in_param)
|
{
|
int err = -EINVAL;
|
int index;
|
int id;
|
struct res_mpt *mpt;
|
|
switch (op) {
|
case RES_OP_RESERVE:
|
index = get_param_l(&in_param);
|
id = index & mpt_mask(dev);
|
err = get_res(dev, slave, id, RES_MPT, &mpt);
|
if (err)
|
break;
|
index = mpt->key;
|
put_res(dev, slave, id, RES_MPT);
|
|
err = rem_res_range(dev, slave, id, 1, RES_MPT, 0);
|
if (err)
|
break;
|
mlx4_release_resource(dev, slave, RES_MPT, 1, 0);
|
__mlx4_mpt_release(dev, index);
|
break;
|
case RES_OP_MAP_ICM:
|
index = get_param_l(&in_param);
|
id = index & mpt_mask(dev);
|
err = mr_res_start_move_to(dev, slave, id,
|
RES_MPT_RESERVED, &mpt);
|
if (err)
|
return err;
|
|
__mlx4_mpt_free_icm(dev, mpt->key);
|
res_end_move(dev, slave, RES_MPT, id);
|
break;
|
default:
|
err = -EINVAL;
|
break;
|
}
|
return err;
|
}
|
|
static int cq_free_res(struct mlx4_dev *dev, int slave, int op, int cmd,
|
u64 in_param, u64 *out_param)
|
{
|
int cqn;
|
int err;
|
|
switch (op) {
|
case RES_OP_RESERVE_AND_MAP:
|
cqn = get_param_l(&in_param);
|
err = rem_res_range(dev, slave, cqn, 1, RES_CQ, 0);
|
if (err)
|
break;
|
|
mlx4_release_resource(dev, slave, RES_CQ, 1, 0);
|
__mlx4_cq_free_icm(dev, cqn);
|
break;
|
|
default:
|
err = -EINVAL;
|
break;
|
}
|
|
return err;
|
}
|
|
static int srq_free_res(struct mlx4_dev *dev, int slave, int op, int cmd,
|
u64 in_param, u64 *out_param)
|
{
|
int srqn;
|
int err;
|
|
switch (op) {
|
case RES_OP_RESERVE_AND_MAP:
|
srqn = get_param_l(&in_param);
|
err = rem_res_range(dev, slave, srqn, 1, RES_SRQ, 0);
|
if (err)
|
break;
|
|
mlx4_release_resource(dev, slave, RES_SRQ, 1, 0);
|
__mlx4_srq_free_icm(dev, srqn);
|
break;
|
|
default:
|
err = -EINVAL;
|
break;
|
}
|
|
return err;
|
}
|
|
static int mac_free_res(struct mlx4_dev *dev, int slave, int op, int cmd,
|
u64 in_param, u64 *out_param, int in_port)
|
{
|
int port;
|
int err = 0;
|
|
switch (op) {
|
case RES_OP_RESERVE_AND_MAP:
|
port = !in_port ? get_param_l(out_param) : in_port;
|
port = mlx4_slave_convert_port(
|
dev, slave, port);
|
|
if (port < 0)
|
return -EINVAL;
|
mac_del_from_slave(dev, slave, in_param, port);
|
__mlx4_unregister_mac(dev, port, in_param);
|
break;
|
default:
|
err = -EINVAL;
|
break;
|
}
|
|
return err;
|
|
}
|
|
static int vlan_free_res(struct mlx4_dev *dev, int slave, int op, int cmd,
|
u64 in_param, u64 *out_param, int port)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct mlx4_slave_state *slave_state = priv->mfunc.master.slave_state;
|
int err = 0;
|
|
port = mlx4_slave_convert_port(
|
dev, slave, port);
|
|
if (port < 0)
|
return -EINVAL;
|
switch (op) {
|
case RES_OP_RESERVE_AND_MAP:
|
if (slave_state[slave].old_vlan_api)
|
return 0;
|
if (!port)
|
return -EINVAL;
|
vlan_del_from_slave(dev, slave, in_param, port);
|
__mlx4_unregister_vlan(dev, port, in_param);
|
break;
|
default:
|
err = -EINVAL;
|
break;
|
}
|
|
return err;
|
}
|
|
static int counter_free_res(struct mlx4_dev *dev, int slave, int op, int cmd,
|
u64 in_param, u64 *out_param)
|
{
|
int index;
|
int err;
|
|
if (op != RES_OP_RESERVE)
|
return -EINVAL;
|
|
index = get_param_l(&in_param);
|
if (index == MLX4_SINK_COUNTER_INDEX(dev))
|
return 0;
|
|
err = rem_res_range(dev, slave, index, 1, RES_COUNTER, 0);
|
if (err)
|
return err;
|
|
__mlx4_counter_free(dev, index);
|
mlx4_release_resource(dev, slave, RES_COUNTER, 1, 0);
|
|
return err;
|
}
|
|
static int xrcdn_free_res(struct mlx4_dev *dev, int slave, int op, int cmd,
|
u64 in_param, u64 *out_param)
|
{
|
int xrcdn;
|
int err;
|
|
if (op != RES_OP_RESERVE)
|
return -EINVAL;
|
|
xrcdn = get_param_l(&in_param);
|
err = rem_res_range(dev, slave, xrcdn, 1, RES_XRCD, 0);
|
if (err)
|
return err;
|
|
__mlx4_xrcd_free(dev, xrcdn);
|
|
return err;
|
}
|
|
int mlx4_FREE_RES_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
int err = -EINVAL;
|
int alop = vhcr->op_modifier;
|
|
switch (vhcr->in_modifier & 0xFF) {
|
case RES_QP:
|
err = qp_free_res(dev, slave, vhcr->op_modifier, alop,
|
vhcr->in_param);
|
break;
|
|
case RES_MTT:
|
err = mtt_free_res(dev, slave, vhcr->op_modifier, alop,
|
vhcr->in_param, &vhcr->out_param);
|
break;
|
|
case RES_MPT:
|
err = mpt_free_res(dev, slave, vhcr->op_modifier, alop,
|
vhcr->in_param);
|
break;
|
|
case RES_CQ:
|
err = cq_free_res(dev, slave, vhcr->op_modifier, alop,
|
vhcr->in_param, &vhcr->out_param);
|
break;
|
|
case RES_SRQ:
|
err = srq_free_res(dev, slave, vhcr->op_modifier, alop,
|
vhcr->in_param, &vhcr->out_param);
|
break;
|
|
case RES_MAC:
|
err = mac_free_res(dev, slave, vhcr->op_modifier, alop,
|
vhcr->in_param, &vhcr->out_param,
|
(vhcr->in_modifier >> 8) & 0xFF);
|
break;
|
|
case RES_VLAN:
|
err = vlan_free_res(dev, slave, vhcr->op_modifier, alop,
|
vhcr->in_param, &vhcr->out_param,
|
(vhcr->in_modifier >> 8) & 0xFF);
|
break;
|
|
case RES_COUNTER:
|
err = counter_free_res(dev, slave, vhcr->op_modifier, alop,
|
vhcr->in_param, &vhcr->out_param);
|
break;
|
|
case RES_XRCD:
|
err = xrcdn_free_res(dev, slave, vhcr->op_modifier, alop,
|
vhcr->in_param, &vhcr->out_param);
|
|
default:
|
break;
|
}
|
return err;
|
}
|
|
/* ugly but other choices are uglier */
|
static int mr_phys_mpt(struct mlx4_mpt_entry *mpt)
|
{
|
return (be32_to_cpu(mpt->flags) >> 9) & 1;
|
}
|
|
static int mr_get_mtt_addr(struct mlx4_mpt_entry *mpt)
|
{
|
return (int)be64_to_cpu(mpt->mtt_addr) & 0xfffffff8;
|
}
|
|
static int mr_get_mtt_size(struct mlx4_mpt_entry *mpt)
|
{
|
return be32_to_cpu(mpt->mtt_sz);
|
}
|
|
static u32 mr_get_pd(struct mlx4_mpt_entry *mpt)
|
{
|
return be32_to_cpu(mpt->pd_flags) & 0x00ffffff;
|
}
|
|
static int mr_is_fmr(struct mlx4_mpt_entry *mpt)
|
{
|
return be32_to_cpu(mpt->pd_flags) & MLX4_MPT_PD_FLAG_FAST_REG;
|
}
|
|
static int mr_is_bind_enabled(struct mlx4_mpt_entry *mpt)
|
{
|
return be32_to_cpu(mpt->flags) & MLX4_MPT_FLAG_BIND_ENABLE;
|
}
|
|
static int mr_is_region(struct mlx4_mpt_entry *mpt)
|
{
|
return be32_to_cpu(mpt->flags) & MLX4_MPT_FLAG_REGION;
|
}
|
|
static int qp_get_mtt_addr(struct mlx4_qp_context *qpc)
|
{
|
return be32_to_cpu(qpc->mtt_base_addr_l) & 0xfffffff8;
|
}
|
|
static int srq_get_mtt_addr(struct mlx4_srq_context *srqc)
|
{
|
return be32_to_cpu(srqc->mtt_base_addr_l) & 0xfffffff8;
|
}
|
|
static int qp_get_mtt_size(struct mlx4_qp_context *qpc)
|
{
|
int page_shift = (qpc->log_page_size & 0x3f) + 12;
|
int log_sq_size = (qpc->sq_size_stride >> 3) & 0xf;
|
int log_sq_sride = qpc->sq_size_stride & 7;
|
int log_rq_size = (qpc->rq_size_stride >> 3) & 0xf;
|
int log_rq_stride = qpc->rq_size_stride & 7;
|
int srq = (be32_to_cpu(qpc->srqn) >> 24) & 1;
|
int rss = (be32_to_cpu(qpc->flags) >> 13) & 1;
|
u32 ts = (be32_to_cpu(qpc->flags) >> 16) & 0xff;
|
int xrc = (ts == MLX4_QP_ST_XRC) ? 1 : 0;
|
int sq_size;
|
int rq_size;
|
int total_pages;
|
int total_mem;
|
int page_offset = (be32_to_cpu(qpc->params2) >> 6) & 0x3f;
|
int tot;
|
|
sq_size = 1 << (log_sq_size + log_sq_sride + 4);
|
rq_size = (srq|rss|xrc) ? 0 : (1 << (log_rq_size + log_rq_stride + 4));
|
total_mem = sq_size + rq_size;
|
tot = (total_mem + (page_offset << 6)) >> page_shift;
|
total_pages = !tot ? 1 : roundup_pow_of_two(tot);
|
|
return total_pages;
|
}
|
|
static int check_mtt_range(struct mlx4_dev *dev, int slave, int start,
|
int size, struct res_mtt *mtt)
|
{
|
int res_start = mtt->com.res_id;
|
int res_size = (1 << mtt->order);
|
|
if (start < res_start || start + size > res_start + res_size)
|
return -EPERM;
|
return 0;
|
}
|
|
int mlx4_SW2HW_MPT_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
int err;
|
int index = vhcr->in_modifier;
|
struct res_mtt *mtt;
|
struct res_mpt *mpt = NULL;
|
int mtt_base = mr_get_mtt_addr(inbox->buf) / dev->caps.mtt_entry_sz;
|
int phys;
|
int id;
|
u32 pd;
|
int pd_slave;
|
|
id = index & mpt_mask(dev);
|
err = mr_res_start_move_to(dev, slave, id, RES_MPT_HW, &mpt);
|
if (err)
|
return err;
|
|
/* Disable memory windows for VFs. */
|
if (!mr_is_region(inbox->buf)) {
|
err = -EPERM;
|
goto ex_abort;
|
}
|
|
/* Make sure that the PD bits related to the slave id are zeros. */
|
pd = mr_get_pd(inbox->buf);
|
pd_slave = (pd >> 17) & 0x7f;
|
if (pd_slave != 0 && --pd_slave != slave) {
|
err = -EPERM;
|
goto ex_abort;
|
}
|
|
if (mr_is_fmr(inbox->buf)) {
|
/* FMR and Bind Enable are forbidden in slave devices. */
|
if (mr_is_bind_enabled(inbox->buf)) {
|
err = -EPERM;
|
goto ex_abort;
|
}
|
/* FMR and Memory Windows are also forbidden. */
|
if (!mr_is_region(inbox->buf)) {
|
err = -EPERM;
|
goto ex_abort;
|
}
|
}
|
|
phys = mr_phys_mpt(inbox->buf);
|
if (!phys) {
|
err = get_res(dev, slave, mtt_base, RES_MTT, &mtt);
|
if (err)
|
goto ex_abort;
|
|
err = check_mtt_range(dev, slave, mtt_base,
|
mr_get_mtt_size(inbox->buf), mtt);
|
if (err)
|
goto ex_put;
|
|
mpt->mtt = mtt;
|
}
|
|
err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
|
if (err)
|
goto ex_put;
|
|
if (!phys) {
|
atomic_inc(&mtt->ref_count);
|
put_res(dev, slave, mtt->com.res_id, RES_MTT);
|
}
|
|
res_end_move(dev, slave, RES_MPT, id);
|
return 0;
|
|
ex_put:
|
if (!phys)
|
put_res(dev, slave, mtt->com.res_id, RES_MTT);
|
ex_abort:
|
res_abort_move(dev, slave, RES_MPT, id);
|
|
return err;
|
}
|
|
int mlx4_HW2SW_MPT_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
int err;
|
int index = vhcr->in_modifier;
|
struct res_mpt *mpt;
|
int id;
|
|
id = index & mpt_mask(dev);
|
err = mr_res_start_move_to(dev, slave, id, RES_MPT_MAPPED, &mpt);
|
if (err)
|
return err;
|
|
err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
|
if (err)
|
goto ex_abort;
|
|
if (mpt->mtt)
|
atomic_dec(&mpt->mtt->ref_count);
|
|
res_end_move(dev, slave, RES_MPT, id);
|
return 0;
|
|
ex_abort:
|
res_abort_move(dev, slave, RES_MPT, id);
|
|
return err;
|
}
|
|
int mlx4_QUERY_MPT_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
int err;
|
int index = vhcr->in_modifier;
|
struct res_mpt *mpt;
|
int id;
|
|
id = index & mpt_mask(dev);
|
err = get_res(dev, slave, id, RES_MPT, &mpt);
|
if (err)
|
return err;
|
|
if (mpt->com.from_state == RES_MPT_MAPPED) {
|
/* In order to allow rereg in SRIOV, we need to alter the MPT entry. To do
|
* that, the VF must read the MPT. But since the MPT entry memory is not
|
* in the VF's virtual memory space, it must use QUERY_MPT to obtain the
|
* entry contents. To guarantee that the MPT cannot be changed, the driver
|
* must perform HW2SW_MPT before this query and return the MPT entry to HW
|
* ownership fofollowing the change. The change here allows the VF to
|
* perform QUERY_MPT also when the entry is in SW ownership.
|
*/
|
struct mlx4_mpt_entry *mpt_entry = mlx4_table_find(
|
&mlx4_priv(dev)->mr_table.dmpt_table,
|
mpt->key, NULL);
|
|
if (NULL == mpt_entry || NULL == outbox->buf) {
|
err = -EINVAL;
|
goto out;
|
}
|
|
memcpy(outbox->buf, mpt_entry, sizeof(*mpt_entry));
|
|
err = 0;
|
} else if (mpt->com.from_state == RES_MPT_HW) {
|
err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
|
} else {
|
err = -EBUSY;
|
goto out;
|
}
|
|
|
out:
|
put_res(dev, slave, id, RES_MPT);
|
return err;
|
}
|
|
static int qp_get_rcqn(struct mlx4_qp_context *qpc)
|
{
|
return be32_to_cpu(qpc->cqn_recv) & 0xffffff;
|
}
|
|
static int qp_get_scqn(struct mlx4_qp_context *qpc)
|
{
|
return be32_to_cpu(qpc->cqn_send) & 0xffffff;
|
}
|
|
static u32 qp_get_srqn(struct mlx4_qp_context *qpc)
|
{
|
return be32_to_cpu(qpc->srqn) & 0x1ffffff;
|
}
|
|
static void adjust_proxy_tun_qkey(struct mlx4_dev *dev, struct mlx4_vhcr *vhcr,
|
struct mlx4_qp_context *context)
|
{
|
u32 qpn = vhcr->in_modifier & 0xffffff;
|
u32 qkey = 0;
|
|
if (mlx4_get_parav_qkey(dev, qpn, &qkey))
|
return;
|
|
/* adjust qkey in qp context */
|
context->qkey = cpu_to_be32(qkey);
|
}
|
|
static int adjust_qp_sched_queue(struct mlx4_dev *dev, int slave,
|
struct mlx4_qp_context *qpc,
|
struct mlx4_cmd_mailbox *inbox);
|
|
int mlx4_RST2INIT_QP_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
int err;
|
int qpn = vhcr->in_modifier & 0x7fffff;
|
struct res_mtt *mtt;
|
struct res_qp *qp;
|
struct mlx4_qp_context *qpc = inbox->buf + 8;
|
int mtt_base = qp_get_mtt_addr(qpc) / dev->caps.mtt_entry_sz;
|
int mtt_size = qp_get_mtt_size(qpc);
|
struct res_cq *rcq;
|
struct res_cq *scq;
|
int rcqn = qp_get_rcqn(qpc);
|
int scqn = qp_get_scqn(qpc);
|
u32 srqn = qp_get_srqn(qpc) & 0xffffff;
|
int use_srq = (qp_get_srqn(qpc) >> 24) & 1;
|
struct res_srq *srq;
|
int local_qpn = vhcr->in_modifier & 0xffffff;
|
|
err = adjust_qp_sched_queue(dev, slave, qpc, inbox);
|
if (err)
|
return err;
|
|
err = qp_res_start_move_to(dev, slave, qpn, RES_QP_HW, &qp, 0);
|
if (err)
|
return err;
|
qp->local_qpn = local_qpn;
|
qp->sched_queue = 0;
|
qp->param3 = 0;
|
qp->vlan_control = 0;
|
qp->fvl_rx = 0;
|
qp->pri_path_fl = 0;
|
qp->vlan_index = 0;
|
qp->feup = 0;
|
qp->qpc_flags = be32_to_cpu(qpc->flags);
|
|
err = get_res(dev, slave, mtt_base, RES_MTT, &mtt);
|
if (err)
|
goto ex_abort;
|
|
err = check_mtt_range(dev, slave, mtt_base, mtt_size, mtt);
|
if (err)
|
goto ex_put_mtt;
|
|
err = get_res(dev, slave, rcqn, RES_CQ, &rcq);
|
if (err)
|
goto ex_put_mtt;
|
|
if (scqn != rcqn) {
|
err = get_res(dev, slave, scqn, RES_CQ, &scq);
|
if (err)
|
goto ex_put_rcq;
|
} else
|
scq = rcq;
|
|
if (use_srq) {
|
err = get_res(dev, slave, srqn, RES_SRQ, &srq);
|
if (err)
|
goto ex_put_scq;
|
}
|
|
adjust_proxy_tun_qkey(dev, vhcr, qpc);
|
update_pkey_index(dev, slave, inbox);
|
err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
|
if (err)
|
goto ex_put_srq;
|
atomic_inc(&mtt->ref_count);
|
qp->mtt = mtt;
|
atomic_inc(&rcq->ref_count);
|
qp->rcq = rcq;
|
atomic_inc(&scq->ref_count);
|
qp->scq = scq;
|
|
if (scqn != rcqn)
|
put_res(dev, slave, scqn, RES_CQ);
|
|
if (use_srq) {
|
atomic_inc(&srq->ref_count);
|
put_res(dev, slave, srqn, RES_SRQ);
|
qp->srq = srq;
|
}
|
|
/* Save param3 for dynamic changes from VST back to VGT */
|
qp->param3 = qpc->param3;
|
put_res(dev, slave, rcqn, RES_CQ);
|
put_res(dev, slave, mtt_base, RES_MTT);
|
res_end_move(dev, slave, RES_QP, qpn);
|
|
return 0;
|
|
ex_put_srq:
|
if (use_srq)
|
put_res(dev, slave, srqn, RES_SRQ);
|
ex_put_scq:
|
if (scqn != rcqn)
|
put_res(dev, slave, scqn, RES_CQ);
|
ex_put_rcq:
|
put_res(dev, slave, rcqn, RES_CQ);
|
ex_put_mtt:
|
put_res(dev, slave, mtt_base, RES_MTT);
|
ex_abort:
|
res_abort_move(dev, slave, RES_QP, qpn);
|
|
return err;
|
}
|
|
static int eq_get_mtt_addr(struct mlx4_eq_context *eqc)
|
{
|
return be32_to_cpu(eqc->mtt_base_addr_l) & 0xfffffff8;
|
}
|
|
static int eq_get_mtt_size(struct mlx4_eq_context *eqc)
|
{
|
int log_eq_size = eqc->log_eq_size & 0x1f;
|
int page_shift = (eqc->log_page_size & 0x3f) + 12;
|
|
if (log_eq_size + 5 < page_shift)
|
return 1;
|
|
return 1 << (log_eq_size + 5 - page_shift);
|
}
|
|
static int cq_get_mtt_addr(struct mlx4_cq_context *cqc)
|
{
|
return be32_to_cpu(cqc->mtt_base_addr_l) & 0xfffffff8;
|
}
|
|
static int cq_get_mtt_size(struct mlx4_cq_context *cqc)
|
{
|
int log_cq_size = (be32_to_cpu(cqc->logsize_usrpage) >> 24) & 0x1f;
|
int page_shift = (cqc->log_page_size & 0x3f) + 12;
|
|
if (log_cq_size + 5 < page_shift)
|
return 1;
|
|
return 1 << (log_cq_size + 5 - page_shift);
|
}
|
|
int mlx4_SW2HW_EQ_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
int err;
|
int eqn = vhcr->in_modifier;
|
int res_id = (slave << 10) | eqn;
|
struct mlx4_eq_context *eqc = inbox->buf;
|
int mtt_base = eq_get_mtt_addr(eqc) / dev->caps.mtt_entry_sz;
|
int mtt_size = eq_get_mtt_size(eqc);
|
struct res_eq *eq;
|
struct res_mtt *mtt;
|
|
err = add_res_range(dev, slave, res_id, 1, RES_EQ, 0);
|
if (err)
|
return err;
|
err = eq_res_start_move_to(dev, slave, res_id, RES_EQ_HW, &eq);
|
if (err)
|
goto out_add;
|
|
err = get_res(dev, slave, mtt_base, RES_MTT, &mtt);
|
if (err)
|
goto out_move;
|
|
err = check_mtt_range(dev, slave, mtt_base, mtt_size, mtt);
|
if (err)
|
goto out_put;
|
|
err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
|
if (err)
|
goto out_put;
|
|
atomic_inc(&mtt->ref_count);
|
eq->mtt = mtt;
|
put_res(dev, slave, mtt->com.res_id, RES_MTT);
|
res_end_move(dev, slave, RES_EQ, res_id);
|
return 0;
|
|
out_put:
|
put_res(dev, slave, mtt->com.res_id, RES_MTT);
|
out_move:
|
res_abort_move(dev, slave, RES_EQ, res_id);
|
out_add:
|
rem_res_range(dev, slave, res_id, 1, RES_EQ, 0);
|
return err;
|
}
|
|
int mlx4_CONFIG_DEV_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
int err;
|
u8 get = vhcr->op_modifier;
|
|
if (get != 1)
|
return -EPERM;
|
|
err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
|
|
return err;
|
}
|
|
static int get_containing_mtt(struct mlx4_dev *dev, int slave, int start,
|
int len, struct res_mtt **res)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
|
struct res_mtt *mtt;
|
int err = -EINVAL;
|
|
spin_lock_irq(mlx4_tlock(dev));
|
list_for_each_entry(mtt, &tracker->slave_list[slave].res_list[RES_MTT],
|
com.list) {
|
if (!check_mtt_range(dev, slave, start, len, mtt)) {
|
*res = mtt;
|
mtt->com.from_state = mtt->com.state;
|
mtt->com.state = RES_MTT_BUSY;
|
err = 0;
|
break;
|
}
|
}
|
spin_unlock_irq(mlx4_tlock(dev));
|
|
return err;
|
}
|
|
static int verify_qp_parameters(struct mlx4_dev *dev,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
enum qp_transition transition, u8 slave)
|
{
|
u32 qp_type;
|
u32 qpn;
|
struct mlx4_qp_context *qp_ctx;
|
enum mlx4_qp_optpar optpar;
|
int port;
|
int num_gids;
|
|
qp_ctx = inbox->buf + 8;
|
qp_type = (be32_to_cpu(qp_ctx->flags) >> 16) & 0xff;
|
optpar = be32_to_cpu(*(__be32 *) inbox->buf);
|
|
if (slave != mlx4_master_func_num(dev)) {
|
qp_ctx->params2 &= ~cpu_to_be32(MLX4_QP_BIT_FPP);
|
/* setting QP rate-limit is disallowed for VFs */
|
if (qp_ctx->rate_limit_params)
|
return -EPERM;
|
}
|
|
switch (qp_type) {
|
case MLX4_QP_ST_RC:
|
case MLX4_QP_ST_XRC:
|
case MLX4_QP_ST_UC:
|
switch (transition) {
|
case QP_TRANS_INIT2RTR:
|
case QP_TRANS_RTR2RTS:
|
case QP_TRANS_RTS2RTS:
|
case QP_TRANS_SQD2SQD:
|
case QP_TRANS_SQD2RTS:
|
if (slave != mlx4_master_func_num(dev)) {
|
if (optpar & MLX4_QP_OPTPAR_PRIMARY_ADDR_PATH) {
|
port = (qp_ctx->pri_path.sched_queue >> 6 & 1) + 1;
|
if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB)
|
num_gids = mlx4_get_slave_num_gids(dev, slave, port);
|
else
|
num_gids = 1;
|
if (qp_ctx->pri_path.mgid_index >= num_gids)
|
return -EINVAL;
|
}
|
if (optpar & MLX4_QP_OPTPAR_ALT_ADDR_PATH) {
|
port = (qp_ctx->alt_path.sched_queue >> 6 & 1) + 1;
|
if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB)
|
num_gids = mlx4_get_slave_num_gids(dev, slave, port);
|
else
|
num_gids = 1;
|
if (qp_ctx->alt_path.mgid_index >= num_gids)
|
return -EINVAL;
|
}
|
}
|
break;
|
default:
|
break;
|
}
|
break;
|
|
case MLX4_QP_ST_MLX:
|
qpn = vhcr->in_modifier & 0x7fffff;
|
port = (qp_ctx->pri_path.sched_queue >> 6 & 1) + 1;
|
if (transition == QP_TRANS_INIT2RTR &&
|
slave != mlx4_master_func_num(dev) &&
|
mlx4_is_qp_reserved(dev, qpn) &&
|
!mlx4_vf_smi_enabled(dev, slave, port)) {
|
/* only enabled VFs may create MLX proxy QPs */
|
mlx4_err(dev, "%s: unprivileged slave %d attempting to create an MLX proxy special QP on port %d\n",
|
__func__, slave, port);
|
return -EPERM;
|
}
|
break;
|
|
default:
|
break;
|
}
|
|
return 0;
|
}
|
|
int mlx4_WRITE_MTT_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
struct mlx4_mtt mtt;
|
__be64 *page_list = inbox->buf;
|
u64 *pg_list = (u64 *)page_list;
|
int i;
|
struct res_mtt *rmtt = NULL;
|
int start = be64_to_cpu(page_list[0]);
|
int npages = vhcr->in_modifier;
|
int err;
|
|
err = get_containing_mtt(dev, slave, start, npages, &rmtt);
|
if (err)
|
return err;
|
|
/* Call the SW implementation of write_mtt:
|
* - Prepare a dummy mtt struct
|
* - Translate inbox contents to simple addresses in host endianness */
|
mtt.offset = 0; /* TBD this is broken but I don't handle it since
|
we don't really use it */
|
mtt.order = 0;
|
mtt.page_shift = 0;
|
for (i = 0; i < npages; ++i)
|
pg_list[i + 2] = (be64_to_cpu(page_list[i + 2]) & ~1ULL);
|
|
err = __mlx4_write_mtt(dev, &mtt, be64_to_cpu(page_list[0]), npages,
|
((u64 *)page_list + 2));
|
|
if (rmtt)
|
put_res(dev, slave, rmtt->com.res_id, RES_MTT);
|
|
return err;
|
}
|
|
int mlx4_HW2SW_EQ_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
int eqn = vhcr->in_modifier;
|
int res_id = eqn | (slave << 10);
|
struct res_eq *eq;
|
int err;
|
|
err = eq_res_start_move_to(dev, slave, res_id, RES_EQ_RESERVED, &eq);
|
if (err)
|
return err;
|
|
err = get_res(dev, slave, eq->mtt->com.res_id, RES_MTT, NULL);
|
if (err)
|
goto ex_abort;
|
|
err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
|
if (err)
|
goto ex_put;
|
|
atomic_dec(&eq->mtt->ref_count);
|
put_res(dev, slave, eq->mtt->com.res_id, RES_MTT);
|
res_end_move(dev, slave, RES_EQ, res_id);
|
rem_res_range(dev, slave, res_id, 1, RES_EQ, 0);
|
|
return 0;
|
|
ex_put:
|
put_res(dev, slave, eq->mtt->com.res_id, RES_MTT);
|
ex_abort:
|
res_abort_move(dev, slave, RES_EQ, res_id);
|
|
return err;
|
}
|
|
int mlx4_GEN_EQE(struct mlx4_dev *dev, int slave, struct mlx4_eqe *eqe)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct mlx4_slave_event_eq_info *event_eq;
|
struct mlx4_cmd_mailbox *mailbox;
|
u32 in_modifier = 0;
|
int err;
|
int res_id;
|
struct res_eq *req;
|
|
if (!priv->mfunc.master.slave_state)
|
return -EINVAL;
|
|
/* check for slave valid, slave not PF, and slave active */
|
if (slave < 0 || slave > dev->persist->num_vfs ||
|
slave == dev->caps.function ||
|
!priv->mfunc.master.slave_state[slave].active)
|
return 0;
|
|
event_eq = &priv->mfunc.master.slave_state[slave].event_eq[eqe->type];
|
|
/* Create the event only if the slave is registered */
|
if (event_eq->eqn < 0)
|
return 0;
|
|
mutex_lock(&priv->mfunc.master.gen_eqe_mutex[slave]);
|
res_id = (slave << 10) | event_eq->eqn;
|
err = get_res(dev, slave, res_id, RES_EQ, &req);
|
if (err)
|
goto unlock;
|
|
if (req->com.from_state != RES_EQ_HW) {
|
err = -EINVAL;
|
goto put;
|
}
|
|
mailbox = mlx4_alloc_cmd_mailbox(dev);
|
if (IS_ERR(mailbox)) {
|
err = PTR_ERR(mailbox);
|
goto put;
|
}
|
|
if (eqe->type == MLX4_EVENT_TYPE_CMD) {
|
++event_eq->token;
|
eqe->event.cmd.token = cpu_to_be16(event_eq->token);
|
}
|
|
memcpy(mailbox->buf, (u8 *) eqe, 28);
|
|
in_modifier = (slave & 0xff) | ((event_eq->eqn & 0x3ff) << 16);
|
|
err = mlx4_cmd(dev, mailbox->dma, in_modifier, 0,
|
MLX4_CMD_GEN_EQE, MLX4_CMD_TIME_CLASS_B,
|
MLX4_CMD_NATIVE);
|
|
put_res(dev, slave, res_id, RES_EQ);
|
mutex_unlock(&priv->mfunc.master.gen_eqe_mutex[slave]);
|
mlx4_free_cmd_mailbox(dev, mailbox);
|
return err;
|
|
put:
|
put_res(dev, slave, res_id, RES_EQ);
|
|
unlock:
|
mutex_unlock(&priv->mfunc.master.gen_eqe_mutex[slave]);
|
return err;
|
}
|
|
int mlx4_QUERY_EQ_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
int eqn = vhcr->in_modifier;
|
int res_id = eqn | (slave << 10);
|
struct res_eq *eq;
|
int err;
|
|
err = get_res(dev, slave, res_id, RES_EQ, &eq);
|
if (err)
|
return err;
|
|
if (eq->com.from_state != RES_EQ_HW) {
|
err = -EINVAL;
|
goto ex_put;
|
}
|
|
err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
|
|
ex_put:
|
put_res(dev, slave, res_id, RES_EQ);
|
return err;
|
}
|
|
int mlx4_SW2HW_CQ_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
int err;
|
int cqn = vhcr->in_modifier;
|
struct mlx4_cq_context *cqc = inbox->buf;
|
int mtt_base = cq_get_mtt_addr(cqc) / dev->caps.mtt_entry_sz;
|
struct res_cq *cq = NULL;
|
struct res_mtt *mtt;
|
|
err = cq_res_start_move_to(dev, slave, cqn, RES_CQ_HW, &cq);
|
if (err)
|
return err;
|
err = get_res(dev, slave, mtt_base, RES_MTT, &mtt);
|
if (err)
|
goto out_move;
|
err = check_mtt_range(dev, slave, mtt_base, cq_get_mtt_size(cqc), mtt);
|
if (err)
|
goto out_put;
|
err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
|
if (err)
|
goto out_put;
|
atomic_inc(&mtt->ref_count);
|
cq->mtt = mtt;
|
put_res(dev, slave, mtt->com.res_id, RES_MTT);
|
res_end_move(dev, slave, RES_CQ, cqn);
|
return 0;
|
|
out_put:
|
put_res(dev, slave, mtt->com.res_id, RES_MTT);
|
out_move:
|
res_abort_move(dev, slave, RES_CQ, cqn);
|
return err;
|
}
|
|
int mlx4_HW2SW_CQ_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
int err;
|
int cqn = vhcr->in_modifier;
|
struct res_cq *cq = NULL;
|
|
err = cq_res_start_move_to(dev, slave, cqn, RES_CQ_ALLOCATED, &cq);
|
if (err)
|
return err;
|
err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
|
if (err)
|
goto out_move;
|
atomic_dec(&cq->mtt->ref_count);
|
res_end_move(dev, slave, RES_CQ, cqn);
|
return 0;
|
|
out_move:
|
res_abort_move(dev, slave, RES_CQ, cqn);
|
return err;
|
}
|
|
int mlx4_QUERY_CQ_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
int cqn = vhcr->in_modifier;
|
struct res_cq *cq;
|
int err;
|
|
err = get_res(dev, slave, cqn, RES_CQ, &cq);
|
if (err)
|
return err;
|
|
if (cq->com.from_state != RES_CQ_HW)
|
goto ex_put;
|
|
err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
|
ex_put:
|
put_res(dev, slave, cqn, RES_CQ);
|
|
return err;
|
}
|
|
static int handle_resize(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd,
|
struct res_cq *cq)
|
{
|
int err;
|
struct res_mtt *orig_mtt;
|
struct res_mtt *mtt;
|
struct mlx4_cq_context *cqc = inbox->buf;
|
int mtt_base = cq_get_mtt_addr(cqc) / dev->caps.mtt_entry_sz;
|
|
err = get_res(dev, slave, cq->mtt->com.res_id, RES_MTT, &orig_mtt);
|
if (err)
|
return err;
|
|
if (orig_mtt != cq->mtt) {
|
err = -EINVAL;
|
goto ex_put;
|
}
|
|
err = get_res(dev, slave, mtt_base, RES_MTT, &mtt);
|
if (err)
|
goto ex_put;
|
|
err = check_mtt_range(dev, slave, mtt_base, cq_get_mtt_size(cqc), mtt);
|
if (err)
|
goto ex_put1;
|
err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
|
if (err)
|
goto ex_put1;
|
atomic_dec(&orig_mtt->ref_count);
|
put_res(dev, slave, orig_mtt->com.res_id, RES_MTT);
|
atomic_inc(&mtt->ref_count);
|
cq->mtt = mtt;
|
put_res(dev, slave, mtt->com.res_id, RES_MTT);
|
return 0;
|
|
ex_put1:
|
put_res(dev, slave, mtt->com.res_id, RES_MTT);
|
ex_put:
|
put_res(dev, slave, orig_mtt->com.res_id, RES_MTT);
|
|
return err;
|
|
}
|
|
int mlx4_MODIFY_CQ_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
int cqn = vhcr->in_modifier;
|
struct res_cq *cq;
|
int err;
|
|
err = get_res(dev, slave, cqn, RES_CQ, &cq);
|
if (err)
|
return err;
|
|
if (cq->com.from_state != RES_CQ_HW)
|
goto ex_put;
|
|
if (vhcr->op_modifier == 0) {
|
err = handle_resize(dev, slave, vhcr, inbox, outbox, cmd, cq);
|
goto ex_put;
|
}
|
|
err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
|
ex_put:
|
put_res(dev, slave, cqn, RES_CQ);
|
|
return err;
|
}
|
|
static int srq_get_mtt_size(struct mlx4_srq_context *srqc)
|
{
|
int log_srq_size = (be32_to_cpu(srqc->state_logsize_srqn) >> 24) & 0xf;
|
int log_rq_stride = srqc->logstride & 7;
|
int page_shift = (srqc->log_page_size & 0x3f) + 12;
|
|
if (log_srq_size + log_rq_stride + 4 < page_shift)
|
return 1;
|
|
return 1 << (log_srq_size + log_rq_stride + 4 - page_shift);
|
}
|
|
int mlx4_SW2HW_SRQ_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
int err;
|
int srqn = vhcr->in_modifier;
|
struct res_mtt *mtt;
|
struct res_srq *srq = NULL;
|
struct mlx4_srq_context *srqc = inbox->buf;
|
int mtt_base = srq_get_mtt_addr(srqc) / dev->caps.mtt_entry_sz;
|
|
if (srqn != (be32_to_cpu(srqc->state_logsize_srqn) & 0xffffff))
|
return -EINVAL;
|
|
err = srq_res_start_move_to(dev, slave, srqn, RES_SRQ_HW, &srq);
|
if (err)
|
return err;
|
err = get_res(dev, slave, mtt_base, RES_MTT, &mtt);
|
if (err)
|
goto ex_abort;
|
err = check_mtt_range(dev, slave, mtt_base, srq_get_mtt_size(srqc),
|
mtt);
|
if (err)
|
goto ex_put_mtt;
|
|
err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
|
if (err)
|
goto ex_put_mtt;
|
|
atomic_inc(&mtt->ref_count);
|
srq->mtt = mtt;
|
put_res(dev, slave, mtt->com.res_id, RES_MTT);
|
res_end_move(dev, slave, RES_SRQ, srqn);
|
return 0;
|
|
ex_put_mtt:
|
put_res(dev, slave, mtt->com.res_id, RES_MTT);
|
ex_abort:
|
res_abort_move(dev, slave, RES_SRQ, srqn);
|
|
return err;
|
}
|
|
int mlx4_HW2SW_SRQ_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
int err;
|
int srqn = vhcr->in_modifier;
|
struct res_srq *srq = NULL;
|
|
err = srq_res_start_move_to(dev, slave, srqn, RES_SRQ_ALLOCATED, &srq);
|
if (err)
|
return err;
|
err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
|
if (err)
|
goto ex_abort;
|
atomic_dec(&srq->mtt->ref_count);
|
if (srq->cq)
|
atomic_dec(&srq->cq->ref_count);
|
res_end_move(dev, slave, RES_SRQ, srqn);
|
|
return 0;
|
|
ex_abort:
|
res_abort_move(dev, slave, RES_SRQ, srqn);
|
|
return err;
|
}
|
|
int mlx4_QUERY_SRQ_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
int err;
|
int srqn = vhcr->in_modifier;
|
struct res_srq *srq;
|
|
err = get_res(dev, slave, srqn, RES_SRQ, &srq);
|
if (err)
|
return err;
|
if (srq->com.from_state != RES_SRQ_HW) {
|
err = -EBUSY;
|
goto out;
|
}
|
err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
|
out:
|
put_res(dev, slave, srqn, RES_SRQ);
|
return err;
|
}
|
|
int mlx4_ARM_SRQ_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
int err;
|
int srqn = vhcr->in_modifier;
|
struct res_srq *srq;
|
|
err = get_res(dev, slave, srqn, RES_SRQ, &srq);
|
if (err)
|
return err;
|
|
if (srq->com.from_state != RES_SRQ_HW) {
|
err = -EBUSY;
|
goto out;
|
}
|
|
err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
|
out:
|
put_res(dev, slave, srqn, RES_SRQ);
|
return err;
|
}
|
|
int mlx4_GEN_QP_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
int err;
|
int qpn = vhcr->in_modifier & 0x7fffff;
|
struct res_qp *qp;
|
|
err = get_res(dev, slave, qpn, RES_QP, &qp);
|
if (err)
|
return err;
|
if (qp->com.from_state != RES_QP_HW) {
|
err = -EBUSY;
|
goto out;
|
}
|
|
err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
|
out:
|
put_res(dev, slave, qpn, RES_QP);
|
return err;
|
}
|
|
int mlx4_INIT2INIT_QP_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
struct mlx4_qp_context *context = inbox->buf + 8;
|
adjust_proxy_tun_qkey(dev, vhcr, context);
|
update_pkey_index(dev, slave, inbox);
|
return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
|
}
|
|
static int adjust_qp_sched_queue(struct mlx4_dev *dev, int slave,
|
struct mlx4_qp_context *qpc,
|
struct mlx4_cmd_mailbox *inbox)
|
{
|
enum mlx4_qp_optpar optpar = be32_to_cpu(*(__be32 *)inbox->buf);
|
u8 pri_sched_queue;
|
int port = mlx4_slave_convert_port(
|
dev, slave, (qpc->pri_path.sched_queue >> 6 & 1) + 1) - 1;
|
|
if (port < 0)
|
return -EINVAL;
|
|
pri_sched_queue = (qpc->pri_path.sched_queue & ~(1 << 6)) |
|
((port & 1) << 6);
|
|
if (optpar & (MLX4_QP_OPTPAR_PRIMARY_ADDR_PATH | MLX4_QP_OPTPAR_SCHED_QUEUE) ||
|
qpc->pri_path.sched_queue || mlx4_is_eth(dev, port + 1)) {
|
qpc->pri_path.sched_queue = pri_sched_queue;
|
}
|
|
if (optpar & MLX4_QP_OPTPAR_ALT_ADDR_PATH) {
|
port = mlx4_slave_convert_port(
|
dev, slave, (qpc->alt_path.sched_queue >> 6 & 1)
|
+ 1) - 1;
|
if (port < 0)
|
return -EINVAL;
|
qpc->alt_path.sched_queue =
|
(qpc->alt_path.sched_queue & ~(1 << 6)) |
|
(port & 1) << 6;
|
}
|
return 0;
|
}
|
|
static int roce_verify_mac(struct mlx4_dev *dev, int slave,
|
struct mlx4_qp_context *qpc,
|
struct mlx4_cmd_mailbox *inbox)
|
{
|
u64 mac;
|
int port;
|
u32 ts = (be32_to_cpu(qpc->flags) >> 16) & 0xff;
|
u8 sched = *(u8 *)(inbox->buf + 64);
|
u8 smac_ix;
|
|
port = (sched >> 6 & 1) + 1;
|
if (mlx4_is_eth(dev, port) && (ts != MLX4_QP_ST_MLX)) {
|
smac_ix = qpc->pri_path.grh_mylmc & 0x7f;
|
if (mac_find_smac_ix_in_slave(dev, slave, port, smac_ix, &mac))
|
return -ENOENT;
|
}
|
return 0;
|
}
|
|
int mlx4_INIT2RTR_QP_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
int err;
|
struct mlx4_qp_context *qpc = inbox->buf + 8;
|
int qpn = vhcr->in_modifier & 0x7fffff;
|
struct res_qp *qp;
|
u8 orig_sched_queue;
|
u8 orig_vlan_control = qpc->pri_path.vlan_control;
|
u8 orig_fvl_rx = qpc->pri_path.fvl_rx;
|
u8 orig_pri_path_fl = qpc->pri_path.fl;
|
u8 orig_vlan_index = qpc->pri_path.vlan_index;
|
u8 orig_feup = qpc->pri_path.feup;
|
|
err = adjust_qp_sched_queue(dev, slave, qpc, inbox);
|
if (err)
|
return err;
|
err = verify_qp_parameters(dev, vhcr, inbox, QP_TRANS_INIT2RTR, slave);
|
if (err)
|
return err;
|
|
if (roce_verify_mac(dev, slave, qpc, inbox))
|
return -EINVAL;
|
|
update_pkey_index(dev, slave, inbox);
|
update_gid(dev, inbox, (u8)slave);
|
adjust_proxy_tun_qkey(dev, vhcr, qpc);
|
orig_sched_queue = qpc->pri_path.sched_queue;
|
|
err = get_res(dev, slave, qpn, RES_QP, &qp);
|
if (err)
|
return err;
|
if (qp->com.from_state != RES_QP_HW) {
|
err = -EBUSY;
|
goto out;
|
}
|
|
err = update_vport_qp_param(dev, inbox, slave, qpn);
|
if (err)
|
goto out;
|
|
err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
|
out:
|
/* if no error, save sched queue value passed in by VF. This is
|
* essentially the QOS value provided by the VF. This will be useful
|
* if we allow dynamic changes from VST back to VGT
|
*/
|
if (!err) {
|
qp->sched_queue = orig_sched_queue;
|
qp->vlan_control = orig_vlan_control;
|
qp->fvl_rx = orig_fvl_rx;
|
qp->pri_path_fl = orig_pri_path_fl;
|
qp->vlan_index = orig_vlan_index;
|
qp->feup = orig_feup;
|
}
|
put_res(dev, slave, qpn, RES_QP);
|
return err;
|
}
|
|
int mlx4_RTR2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
int err;
|
struct mlx4_qp_context *context = inbox->buf + 8;
|
|
err = adjust_qp_sched_queue(dev, slave, context, inbox);
|
if (err)
|
return err;
|
err = verify_qp_parameters(dev, vhcr, inbox, QP_TRANS_RTR2RTS, slave);
|
if (err)
|
return err;
|
|
update_pkey_index(dev, slave, inbox);
|
update_gid(dev, inbox, (u8)slave);
|
adjust_proxy_tun_qkey(dev, vhcr, context);
|
return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
|
}
|
|
int mlx4_RTS2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
int err;
|
struct mlx4_qp_context *context = inbox->buf + 8;
|
|
err = adjust_qp_sched_queue(dev, slave, context, inbox);
|
if (err)
|
return err;
|
err = verify_qp_parameters(dev, vhcr, inbox, QP_TRANS_RTS2RTS, slave);
|
if (err)
|
return err;
|
|
update_pkey_index(dev, slave, inbox);
|
update_gid(dev, inbox, (u8)slave);
|
adjust_proxy_tun_qkey(dev, vhcr, context);
|
return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
|
}
|
|
|
int mlx4_SQERR2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
struct mlx4_qp_context *context = inbox->buf + 8;
|
int err = adjust_qp_sched_queue(dev, slave, context, inbox);
|
if (err)
|
return err;
|
adjust_proxy_tun_qkey(dev, vhcr, context);
|
return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
|
}
|
|
int mlx4_SQD2SQD_QP_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
int err;
|
struct mlx4_qp_context *context = inbox->buf + 8;
|
|
err = adjust_qp_sched_queue(dev, slave, context, inbox);
|
if (err)
|
return err;
|
err = verify_qp_parameters(dev, vhcr, inbox, QP_TRANS_SQD2SQD, slave);
|
if (err)
|
return err;
|
|
adjust_proxy_tun_qkey(dev, vhcr, context);
|
update_gid(dev, inbox, (u8)slave);
|
update_pkey_index(dev, slave, inbox);
|
return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
|
}
|
|
int mlx4_SQD2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
int err;
|
struct mlx4_qp_context *context = inbox->buf + 8;
|
|
err = adjust_qp_sched_queue(dev, slave, context, inbox);
|
if (err)
|
return err;
|
err = verify_qp_parameters(dev, vhcr, inbox, QP_TRANS_SQD2RTS, slave);
|
if (err)
|
return err;
|
|
adjust_proxy_tun_qkey(dev, vhcr, context);
|
update_gid(dev, inbox, (u8)slave);
|
update_pkey_index(dev, slave, inbox);
|
return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
|
}
|
|
int mlx4_2RST_QP_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
int err;
|
int qpn = vhcr->in_modifier & 0x7fffff;
|
struct res_qp *qp;
|
|
err = qp_res_start_move_to(dev, slave, qpn, RES_QP_MAPPED, &qp, 0);
|
if (err)
|
return err;
|
err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
|
if (err)
|
goto ex_abort;
|
|
atomic_dec(&qp->mtt->ref_count);
|
atomic_dec(&qp->rcq->ref_count);
|
atomic_dec(&qp->scq->ref_count);
|
if (qp->srq)
|
atomic_dec(&qp->srq->ref_count);
|
res_end_move(dev, slave, RES_QP, qpn);
|
return 0;
|
|
ex_abort:
|
res_abort_move(dev, slave, RES_QP, qpn);
|
|
return err;
|
}
|
|
static struct res_gid *find_gid(struct mlx4_dev *dev, int slave,
|
struct res_qp *rqp, u8 *gid)
|
{
|
struct res_gid *res;
|
|
list_for_each_entry(res, &rqp->mcg_list, list) {
|
if (!memcmp(res->gid, gid, 16))
|
return res;
|
}
|
return NULL;
|
}
|
|
static int add_mcg_res(struct mlx4_dev *dev, int slave, struct res_qp *rqp,
|
u8 *gid, enum mlx4_protocol prot,
|
enum mlx4_steer_type steer, u64 reg_id)
|
{
|
struct res_gid *res;
|
int err;
|
|
res = kzalloc(sizeof(*res), GFP_KERNEL);
|
if (!res)
|
return -ENOMEM;
|
|
spin_lock_irq(&rqp->mcg_spl);
|
if (find_gid(dev, slave, rqp, gid)) {
|
kfree(res);
|
err = -EEXIST;
|
} else {
|
memcpy(res->gid, gid, 16);
|
res->prot = prot;
|
res->steer = steer;
|
res->reg_id = reg_id;
|
list_add_tail(&res->list, &rqp->mcg_list);
|
err = 0;
|
}
|
spin_unlock_irq(&rqp->mcg_spl);
|
|
return err;
|
}
|
|
static int rem_mcg_res(struct mlx4_dev *dev, int slave, struct res_qp *rqp,
|
u8 *gid, enum mlx4_protocol prot,
|
enum mlx4_steer_type steer, u64 *reg_id)
|
{
|
struct res_gid *res;
|
int err;
|
|
spin_lock_irq(&rqp->mcg_spl);
|
res = find_gid(dev, slave, rqp, gid);
|
if (!res || res->prot != prot || res->steer != steer)
|
err = -EINVAL;
|
else {
|
*reg_id = res->reg_id;
|
list_del(&res->list);
|
kfree(res);
|
err = 0;
|
}
|
spin_unlock_irq(&rqp->mcg_spl);
|
|
return err;
|
}
|
|
static int qp_attach(struct mlx4_dev *dev, int slave, struct mlx4_qp *qp,
|
u8 gid[16], int block_loopback, enum mlx4_protocol prot,
|
enum mlx4_steer_type type, u64 *reg_id)
|
{
|
switch (dev->caps.steering_mode) {
|
case MLX4_STEERING_MODE_DEVICE_MANAGED: {
|
int port = mlx4_slave_convert_port(dev, slave, gid[5]);
|
if (port < 0)
|
return port;
|
return mlx4_trans_to_dmfs_attach(dev, qp, gid, port,
|
block_loopback, prot,
|
reg_id);
|
}
|
case MLX4_STEERING_MODE_B0:
|
if (prot == MLX4_PROT_ETH) {
|
int port = mlx4_slave_convert_port(dev, slave, gid[5]);
|
if (port < 0)
|
return port;
|
gid[5] = port;
|
}
|
return mlx4_qp_attach_common(dev, qp, gid,
|
block_loopback, prot, type);
|
default:
|
return -EINVAL;
|
}
|
}
|
|
static int qp_detach(struct mlx4_dev *dev, struct mlx4_qp *qp,
|
u8 gid[16], enum mlx4_protocol prot,
|
enum mlx4_steer_type type, u64 reg_id)
|
{
|
switch (dev->caps.steering_mode) {
|
case MLX4_STEERING_MODE_DEVICE_MANAGED:
|
return mlx4_flow_detach(dev, reg_id);
|
case MLX4_STEERING_MODE_B0:
|
return mlx4_qp_detach_common(dev, qp, gid, prot, type);
|
default:
|
return -EINVAL;
|
}
|
}
|
|
static int mlx4_adjust_port(struct mlx4_dev *dev, int slave,
|
u8 *gid, enum mlx4_protocol prot)
|
{
|
int real_port;
|
|
if (prot != MLX4_PROT_ETH)
|
return 0;
|
|
if (dev->caps.steering_mode == MLX4_STEERING_MODE_B0 ||
|
dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) {
|
real_port = mlx4_slave_convert_port(dev, slave, gid[5]);
|
if (real_port < 0)
|
return -EINVAL;
|
gid[5] = real_port;
|
}
|
|
return 0;
|
}
|
|
int mlx4_QP_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
struct mlx4_qp qp; /* dummy for calling attach/detach */
|
u8 *gid = inbox->buf;
|
enum mlx4_protocol prot = (vhcr->in_modifier >> 28) & 0x7;
|
int err;
|
int qpn;
|
struct res_qp *rqp;
|
u64 reg_id = 0;
|
int attach = vhcr->op_modifier;
|
int block_loopback = vhcr->in_modifier >> 31;
|
u8 steer_type_mask = 2;
|
enum mlx4_steer_type type = (gid[7] & steer_type_mask) >> 1;
|
|
qpn = vhcr->in_modifier & 0xffffff;
|
err = get_res(dev, slave, qpn, RES_QP, &rqp);
|
if (err)
|
return err;
|
|
qp.qpn = qpn;
|
if (attach) {
|
err = qp_attach(dev, slave, &qp, gid, block_loopback, prot,
|
type, ®_id);
|
if (err) {
|
pr_err("Fail to attach rule to qp 0x%x\n", qpn);
|
goto ex_put;
|
}
|
err = add_mcg_res(dev, slave, rqp, gid, prot, type, reg_id);
|
if (err)
|
goto ex_detach;
|
} else {
|
err = mlx4_adjust_port(dev, slave, gid, prot);
|
if (err)
|
goto ex_put;
|
|
err = rem_mcg_res(dev, slave, rqp, gid, prot, type, ®_id);
|
if (err)
|
goto ex_put;
|
|
err = qp_detach(dev, &qp, gid, prot, type, reg_id);
|
if (err)
|
pr_err("Fail to detach rule from qp 0x%x reg_id = 0x%llx\n",
|
qpn, reg_id);
|
}
|
put_res(dev, slave, qpn, RES_QP);
|
return err;
|
|
ex_detach:
|
qp_detach(dev, &qp, gid, prot, type, reg_id);
|
ex_put:
|
put_res(dev, slave, qpn, RES_QP);
|
return err;
|
}
|
|
/*
|
* MAC validation for Flow Steering rules.
|
* VF can attach rules only with a mac address which is assigned to it.
|
*/
|
static int validate_eth_header_mac(int slave, struct _rule_hw *eth_header,
|
struct list_head *rlist)
|
{
|
struct mac_res *res, *tmp;
|
__be64 be_mac;
|
|
/* make sure it isn't multicast or broadcast mac*/
|
if (!is_multicast_ether_addr(eth_header->eth.dst_mac) &&
|
!is_broadcast_ether_addr(eth_header->eth.dst_mac)) {
|
list_for_each_entry_safe(res, tmp, rlist, list) {
|
be_mac = cpu_to_be64(res->mac << 16);
|
if (ether_addr_equal((u8 *)&be_mac, eth_header->eth.dst_mac))
|
return 0;
|
}
|
pr_err("MAC %pM doesn't belong to VF %d, Steering rule rejected\n",
|
eth_header->eth.dst_mac, slave);
|
return -EINVAL;
|
}
|
return 0;
|
}
|
|
/*
|
* In case of missing eth header, append eth header with a MAC address
|
* assigned to the VF.
|
*/
|
static int add_eth_header(struct mlx4_dev *dev, int slave,
|
struct mlx4_cmd_mailbox *inbox,
|
struct list_head *rlist, int header_id)
|
{
|
struct mac_res *res, *tmp;
|
u8 port;
|
struct mlx4_net_trans_rule_hw_ctrl *ctrl;
|
struct mlx4_net_trans_rule_hw_eth *eth_header;
|
struct mlx4_net_trans_rule_hw_ipv4 *ip_header;
|
struct mlx4_net_trans_rule_hw_tcp_udp *l4_header;
|
__be64 be_mac = 0;
|
__be64 mac_msk = cpu_to_be64(MLX4_MAC_MASK << 16);
|
|
ctrl = (struct mlx4_net_trans_rule_hw_ctrl *)inbox->buf;
|
port = ctrl->port;
|
eth_header = (struct mlx4_net_trans_rule_hw_eth *)(ctrl + 1);
|
|
/* Clear a space in the inbox for eth header */
|
switch (header_id) {
|
case MLX4_NET_TRANS_RULE_ID_IPV4:
|
ip_header =
|
(struct mlx4_net_trans_rule_hw_ipv4 *)(eth_header + 1);
|
memmove(ip_header, eth_header,
|
sizeof(*ip_header) + sizeof(*l4_header));
|
break;
|
case MLX4_NET_TRANS_RULE_ID_TCP:
|
case MLX4_NET_TRANS_RULE_ID_UDP:
|
l4_header = (struct mlx4_net_trans_rule_hw_tcp_udp *)
|
(eth_header + 1);
|
memmove(l4_header, eth_header, sizeof(*l4_header));
|
break;
|
default:
|
return -EINVAL;
|
}
|
list_for_each_entry_safe(res, tmp, rlist, list) {
|
if (port == res->port) {
|
be_mac = cpu_to_be64(res->mac << 16);
|
break;
|
}
|
}
|
if (!be_mac) {
|
pr_err("Failed adding eth header to FS rule, Can't find matching MAC for port %d\n",
|
port);
|
return -EINVAL;
|
}
|
|
memset(eth_header, 0, sizeof(*eth_header));
|
eth_header->size = sizeof(*eth_header) >> 2;
|
eth_header->id = cpu_to_be16(__sw_id_hw[MLX4_NET_TRANS_RULE_ID_ETH]);
|
memcpy(eth_header->dst_mac, &be_mac, ETH_ALEN);
|
memcpy(eth_header->dst_mac_msk, &mac_msk, ETH_ALEN);
|
|
return 0;
|
|
}
|
|
#define MLX4_UPD_QP_PATH_MASK_SUPPORTED ( \
|
1ULL << MLX4_UPD_QP_PATH_MASK_MAC_INDEX |\
|
1ULL << MLX4_UPD_QP_PATH_MASK_ETH_SRC_CHECK_MC_LB)
|
int mlx4_UPDATE_QP_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd_info)
|
{
|
int err;
|
u32 qpn = vhcr->in_modifier & 0xffffff;
|
struct res_qp *rqp;
|
u64 mac;
|
unsigned port;
|
u64 pri_addr_path_mask;
|
struct mlx4_update_qp_context *cmd;
|
int smac_index;
|
|
cmd = (struct mlx4_update_qp_context *)inbox->buf;
|
|
pri_addr_path_mask = be64_to_cpu(cmd->primary_addr_path_mask);
|
if (cmd->qp_mask || cmd->secondary_addr_path_mask ||
|
(pri_addr_path_mask & ~MLX4_UPD_QP_PATH_MASK_SUPPORTED))
|
return -EPERM;
|
|
if ((pri_addr_path_mask &
|
(1ULL << MLX4_UPD_QP_PATH_MASK_ETH_SRC_CHECK_MC_LB)) &&
|
!(dev->caps.flags2 &
|
MLX4_DEV_CAP_FLAG2_UPDATE_QP_SRC_CHECK_LB)) {
|
mlx4_warn(dev, "Src check LB for slave %d isn't supported\n",
|
slave);
|
return -EOPNOTSUPP;
|
}
|
|
/* Just change the smac for the QP */
|
err = get_res(dev, slave, qpn, RES_QP, &rqp);
|
if (err) {
|
mlx4_err(dev, "Updating qpn 0x%x for slave %d rejected\n", qpn, slave);
|
return err;
|
}
|
|
port = (rqp->sched_queue >> 6 & 1) + 1;
|
|
if (pri_addr_path_mask & (1ULL << MLX4_UPD_QP_PATH_MASK_MAC_INDEX)) {
|
smac_index = cmd->qp_context.pri_path.grh_mylmc;
|
err = mac_find_smac_ix_in_slave(dev, slave, port,
|
smac_index, &mac);
|
|
if (err) {
|
mlx4_err(dev, "Failed to update qpn 0x%x, MAC is invalid. smac_ix: %d\n",
|
qpn, smac_index);
|
goto err_mac;
|
}
|
}
|
|
err = mlx4_cmd(dev, inbox->dma,
|
vhcr->in_modifier, 0,
|
MLX4_CMD_UPDATE_QP, MLX4_CMD_TIME_CLASS_A,
|
MLX4_CMD_NATIVE);
|
if (err) {
|
mlx4_err(dev, "Failed to update qpn on qpn 0x%x, command failed\n", qpn);
|
goto err_mac;
|
}
|
|
err_mac:
|
put_res(dev, slave, qpn, RES_QP);
|
return err;
|
}
|
|
static u32 qp_attach_mbox_size(void *mbox)
|
{
|
u32 size = sizeof(struct mlx4_net_trans_rule_hw_ctrl);
|
struct _rule_hw *rule_header;
|
|
rule_header = (struct _rule_hw *)(mbox + size);
|
|
while (rule_header->size) {
|
size += rule_header->size * sizeof(u32);
|
rule_header += 1;
|
}
|
return size;
|
}
|
|
static int mlx4_do_mirror_rule(struct mlx4_dev *dev, struct res_fs_rule *fs_rule);
|
|
int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
|
struct list_head *rlist = &tracker->slave_list[slave].res_list[RES_MAC];
|
int err;
|
int qpn;
|
struct res_qp *rqp;
|
struct mlx4_net_trans_rule_hw_ctrl *ctrl;
|
struct _rule_hw *rule_header;
|
int header_id;
|
struct res_fs_rule *rrule;
|
u32 mbox_size;
|
|
if (dev->caps.steering_mode !=
|
MLX4_STEERING_MODE_DEVICE_MANAGED)
|
return -EOPNOTSUPP;
|
|
ctrl = (struct mlx4_net_trans_rule_hw_ctrl *)inbox->buf;
|
err = mlx4_slave_convert_port(dev, slave, ctrl->port);
|
if (err <= 0)
|
return -EINVAL;
|
ctrl->port = err;
|
qpn = be32_to_cpu(ctrl->qpn) & 0xffffff;
|
err = get_res(dev, slave, qpn, RES_QP, &rqp);
|
if (err) {
|
pr_err("Steering rule with qpn 0x%x rejected\n", qpn);
|
return err;
|
}
|
rule_header = (struct _rule_hw *)(ctrl + 1);
|
header_id = map_hw_to_sw_id(be16_to_cpu(rule_header->id));
|
|
if (header_id == MLX4_NET_TRANS_RULE_ID_ETH)
|
mlx4_handle_eth_header_mcast_prio(ctrl, rule_header);
|
|
switch (header_id) {
|
case MLX4_NET_TRANS_RULE_ID_ETH:
|
if (validate_eth_header_mac(slave, rule_header, rlist)) {
|
err = -EINVAL;
|
goto err_put_qp;
|
}
|
break;
|
case MLX4_NET_TRANS_RULE_ID_IB:
|
break;
|
case MLX4_NET_TRANS_RULE_ID_IPV4:
|
case MLX4_NET_TRANS_RULE_ID_TCP:
|
case MLX4_NET_TRANS_RULE_ID_UDP:
|
pr_warn("Can't attach FS rule without L2 headers, adding L2 header\n");
|
if (add_eth_header(dev, slave, inbox, rlist, header_id)) {
|
err = -EINVAL;
|
goto err_put_qp;
|
}
|
vhcr->in_modifier +=
|
sizeof(struct mlx4_net_trans_rule_hw_eth) >> 2;
|
break;
|
default:
|
pr_err("Corrupted mailbox\n");
|
err = -EINVAL;
|
goto err_put_qp;
|
}
|
|
err = mlx4_cmd_imm(dev, inbox->dma, &vhcr->out_param,
|
vhcr->in_modifier, 0,
|
MLX4_QP_FLOW_STEERING_ATTACH, MLX4_CMD_TIME_CLASS_A,
|
MLX4_CMD_NATIVE);
|
if (err)
|
goto err_put_qp;
|
|
|
err = add_res_range(dev, slave, vhcr->out_param, 1, RES_FS_RULE, qpn);
|
if (err) {
|
mlx4_err(dev, "Fail to add flow steering resources\n");
|
goto err_detach;
|
}
|
|
err = get_res(dev, slave, vhcr->out_param, RES_FS_RULE, &rrule);
|
if (err)
|
goto err_detach;
|
|
mbox_size = qp_attach_mbox_size(inbox->buf);
|
rrule->mirr_mbox = kmalloc(mbox_size, GFP_KERNEL);
|
if (!rrule->mirr_mbox) {
|
err = -ENOMEM;
|
goto err_put_rule;
|
}
|
rrule->mirr_mbox_size = mbox_size;
|
rrule->mirr_rule_id = 0;
|
memcpy(rrule->mirr_mbox, inbox->buf, mbox_size);
|
|
/* set different port */
|
ctrl = (struct mlx4_net_trans_rule_hw_ctrl *)rrule->mirr_mbox;
|
if (ctrl->port == 1)
|
ctrl->port = 2;
|
else
|
ctrl->port = 1;
|
|
if (mlx4_is_bonded(dev))
|
mlx4_do_mirror_rule(dev, rrule);
|
|
atomic_inc(&rqp->ref_count);
|
|
err_put_rule:
|
put_res(dev, slave, vhcr->out_param, RES_FS_RULE);
|
err_detach:
|
/* detach rule on error */
|
if (err)
|
mlx4_cmd(dev, vhcr->out_param, 0, 0,
|
MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A,
|
MLX4_CMD_NATIVE);
|
err_put_qp:
|
put_res(dev, slave, qpn, RES_QP);
|
return err;
|
}
|
|
static int mlx4_undo_mirror_rule(struct mlx4_dev *dev, struct res_fs_rule *fs_rule)
|
{
|
int err;
|
|
err = rem_res_range(dev, fs_rule->com.owner, fs_rule->com.res_id, 1, RES_FS_RULE, 0);
|
if (err) {
|
mlx4_err(dev, "Fail to remove flow steering resources\n");
|
return err;
|
}
|
|
mlx4_cmd(dev, fs_rule->com.res_id, 0, 0, MLX4_QP_FLOW_STEERING_DETACH,
|
MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
|
return 0;
|
}
|
|
int mlx4_QP_FLOW_STEERING_DETACH_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
int err;
|
struct res_qp *rqp;
|
struct res_fs_rule *rrule;
|
u64 mirr_reg_id;
|
int qpn;
|
|
if (dev->caps.steering_mode !=
|
MLX4_STEERING_MODE_DEVICE_MANAGED)
|
return -EOPNOTSUPP;
|
|
err = get_res(dev, slave, vhcr->in_param, RES_FS_RULE, &rrule);
|
if (err)
|
return err;
|
|
if (!rrule->mirr_mbox) {
|
mlx4_err(dev, "Mirror rules cannot be removed explicitly\n");
|
put_res(dev, slave, vhcr->in_param, RES_FS_RULE);
|
return -EINVAL;
|
}
|
mirr_reg_id = rrule->mirr_rule_id;
|
kfree(rrule->mirr_mbox);
|
qpn = rrule->qpn;
|
|
/* Release the rule form busy state before removal */
|
put_res(dev, slave, vhcr->in_param, RES_FS_RULE);
|
err = get_res(dev, slave, qpn, RES_QP, &rqp);
|
if (err)
|
return err;
|
|
if (mirr_reg_id && mlx4_is_bonded(dev)) {
|
err = get_res(dev, slave, mirr_reg_id, RES_FS_RULE, &rrule);
|
if (err) {
|
mlx4_err(dev, "Fail to get resource of mirror rule\n");
|
} else {
|
put_res(dev, slave, mirr_reg_id, RES_FS_RULE);
|
mlx4_undo_mirror_rule(dev, rrule);
|
}
|
}
|
err = rem_res_range(dev, slave, vhcr->in_param, 1, RES_FS_RULE, 0);
|
if (err) {
|
mlx4_err(dev, "Fail to remove flow steering resources\n");
|
goto out;
|
}
|
|
err = mlx4_cmd(dev, vhcr->in_param, 0, 0,
|
MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A,
|
MLX4_CMD_NATIVE);
|
if (!err)
|
atomic_dec(&rqp->ref_count);
|
out:
|
put_res(dev, slave, qpn, RES_QP);
|
return err;
|
}
|
|
enum {
|
BUSY_MAX_RETRIES = 10
|
};
|
|
int mlx4_QUERY_IF_STAT_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
int err;
|
int index = vhcr->in_modifier & 0xffff;
|
|
err = get_res(dev, slave, index, RES_COUNTER, NULL);
|
if (err)
|
return err;
|
|
err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
|
put_res(dev, slave, index, RES_COUNTER);
|
return err;
|
}
|
|
static void detach_qp(struct mlx4_dev *dev, int slave, struct res_qp *rqp)
|
{
|
struct res_gid *rgid;
|
struct res_gid *tmp;
|
struct mlx4_qp qp; /* dummy for calling attach/detach */
|
|
list_for_each_entry_safe(rgid, tmp, &rqp->mcg_list, list) {
|
switch (dev->caps.steering_mode) {
|
case MLX4_STEERING_MODE_DEVICE_MANAGED:
|
mlx4_flow_detach(dev, rgid->reg_id);
|
break;
|
case MLX4_STEERING_MODE_B0:
|
qp.qpn = rqp->local_qpn;
|
(void) mlx4_qp_detach_common(dev, &qp, rgid->gid,
|
rgid->prot, rgid->steer);
|
break;
|
}
|
list_del(&rgid->list);
|
kfree(rgid);
|
}
|
}
|
|
static int _move_all_busy(struct mlx4_dev *dev, int slave,
|
enum mlx4_resource type, int print)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct mlx4_resource_tracker *tracker =
|
&priv->mfunc.master.res_tracker;
|
struct list_head *rlist = &tracker->slave_list[slave].res_list[type];
|
struct res_common *r;
|
struct res_common *tmp;
|
int busy;
|
|
busy = 0;
|
spin_lock_irq(mlx4_tlock(dev));
|
list_for_each_entry_safe(r, tmp, rlist, list) {
|
if (r->owner == slave) {
|
if (!r->removing) {
|
if (r->state == RES_ANY_BUSY) {
|
if (print)
|
mlx4_dbg(dev,
|
"%s id 0x%llx is busy\n",
|
resource_str(type),
|
r->res_id);
|
++busy;
|
} else {
|
r->from_state = r->state;
|
r->state = RES_ANY_BUSY;
|
r->removing = 1;
|
}
|
}
|
}
|
}
|
spin_unlock_irq(mlx4_tlock(dev));
|
|
return busy;
|
}
|
|
static int move_all_busy(struct mlx4_dev *dev, int slave,
|
enum mlx4_resource type)
|
{
|
unsigned long begin;
|
int busy;
|
|
begin = jiffies;
|
do {
|
busy = _move_all_busy(dev, slave, type, 0);
|
if (time_after(jiffies, begin + 5 * HZ))
|
break;
|
if (busy)
|
cond_resched();
|
} while (busy);
|
|
if (busy)
|
busy = _move_all_busy(dev, slave, type, 1);
|
|
return busy;
|
}
|
static void rem_slave_qps(struct mlx4_dev *dev, int slave)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
|
struct list_head *qp_list =
|
&tracker->slave_list[slave].res_list[RES_QP];
|
struct res_qp *qp;
|
struct res_qp *tmp;
|
int state;
|
u64 in_param;
|
int qpn;
|
int err;
|
|
err = move_all_busy(dev, slave, RES_QP);
|
if (err)
|
mlx4_warn(dev, "rem_slave_qps: Could not move all qps to busy for slave %d\n",
|
slave);
|
|
spin_lock_irq(mlx4_tlock(dev));
|
list_for_each_entry_safe(qp, tmp, qp_list, com.list) {
|
spin_unlock_irq(mlx4_tlock(dev));
|
if (qp->com.owner == slave) {
|
qpn = qp->com.res_id;
|
detach_qp(dev, slave, qp);
|
state = qp->com.from_state;
|
while (state != 0) {
|
switch (state) {
|
case RES_QP_RESERVED:
|
spin_lock_irq(mlx4_tlock(dev));
|
rb_erase(&qp->com.node,
|
&tracker->res_tree[RES_QP]);
|
list_del(&qp->com.list);
|
spin_unlock_irq(mlx4_tlock(dev));
|
if (!valid_reserved(dev, slave, qpn)) {
|
__mlx4_qp_release_range(dev, qpn, 1);
|
mlx4_release_resource(dev, slave,
|
RES_QP, 1, 0);
|
}
|
kfree(qp);
|
state = 0;
|
break;
|
case RES_QP_MAPPED:
|
if (!valid_reserved(dev, slave, qpn))
|
__mlx4_qp_free_icm(dev, qpn);
|
state = RES_QP_RESERVED;
|
break;
|
case RES_QP_HW:
|
in_param = slave;
|
err = mlx4_cmd(dev, in_param,
|
qp->local_qpn, 2,
|
MLX4_CMD_2RST_QP,
|
MLX4_CMD_TIME_CLASS_A,
|
MLX4_CMD_NATIVE);
|
if (err)
|
mlx4_dbg(dev, "rem_slave_qps: failed to move slave %d qpn %d to reset\n",
|
slave, qp->local_qpn);
|
atomic_dec(&qp->rcq->ref_count);
|
atomic_dec(&qp->scq->ref_count);
|
atomic_dec(&qp->mtt->ref_count);
|
if (qp->srq)
|
atomic_dec(&qp->srq->ref_count);
|
state = RES_QP_MAPPED;
|
break;
|
default:
|
state = 0;
|
}
|
}
|
}
|
spin_lock_irq(mlx4_tlock(dev));
|
}
|
spin_unlock_irq(mlx4_tlock(dev));
|
}
|
|
static void rem_slave_srqs(struct mlx4_dev *dev, int slave)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
|
struct list_head *srq_list =
|
&tracker->slave_list[slave].res_list[RES_SRQ];
|
struct res_srq *srq;
|
struct res_srq *tmp;
|
int state;
|
u64 in_param;
|
int srqn;
|
int err;
|
|
err = move_all_busy(dev, slave, RES_SRQ);
|
if (err)
|
mlx4_warn(dev, "rem_slave_srqs: Could not move all srqs - too busy for slave %d\n",
|
slave);
|
|
spin_lock_irq(mlx4_tlock(dev));
|
list_for_each_entry_safe(srq, tmp, srq_list, com.list) {
|
spin_unlock_irq(mlx4_tlock(dev));
|
if (srq->com.owner == slave) {
|
srqn = srq->com.res_id;
|
state = srq->com.from_state;
|
while (state != 0) {
|
switch (state) {
|
case RES_SRQ_ALLOCATED:
|
__mlx4_srq_free_icm(dev, srqn);
|
spin_lock_irq(mlx4_tlock(dev));
|
rb_erase(&srq->com.node,
|
&tracker->res_tree[RES_SRQ]);
|
list_del(&srq->com.list);
|
spin_unlock_irq(mlx4_tlock(dev));
|
mlx4_release_resource(dev, slave,
|
RES_SRQ, 1, 0);
|
kfree(srq);
|
state = 0;
|
break;
|
|
case RES_SRQ_HW:
|
in_param = slave;
|
err = mlx4_cmd(dev, in_param, srqn, 1,
|
MLX4_CMD_HW2SW_SRQ,
|
MLX4_CMD_TIME_CLASS_A,
|
MLX4_CMD_NATIVE);
|
if (err)
|
mlx4_dbg(dev, "rem_slave_srqs: failed to move slave %d srq %d to SW ownership\n",
|
slave, srqn);
|
|
atomic_dec(&srq->mtt->ref_count);
|
if (srq->cq)
|
atomic_dec(&srq->cq->ref_count);
|
state = RES_SRQ_ALLOCATED;
|
break;
|
|
default:
|
state = 0;
|
}
|
}
|
}
|
spin_lock_irq(mlx4_tlock(dev));
|
}
|
spin_unlock_irq(mlx4_tlock(dev));
|
}
|
|
static void rem_slave_cqs(struct mlx4_dev *dev, int slave)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
|
struct list_head *cq_list =
|
&tracker->slave_list[slave].res_list[RES_CQ];
|
struct res_cq *cq;
|
struct res_cq *tmp;
|
int state;
|
u64 in_param;
|
int cqn;
|
int err;
|
|
err = move_all_busy(dev, slave, RES_CQ);
|
if (err)
|
mlx4_warn(dev, "rem_slave_cqs: Could not move all cqs - too busy for slave %d\n",
|
slave);
|
|
spin_lock_irq(mlx4_tlock(dev));
|
list_for_each_entry_safe(cq, tmp, cq_list, com.list) {
|
spin_unlock_irq(mlx4_tlock(dev));
|
if (cq->com.owner == slave && !atomic_read(&cq->ref_count)) {
|
cqn = cq->com.res_id;
|
state = cq->com.from_state;
|
while (state != 0) {
|
switch (state) {
|
case RES_CQ_ALLOCATED:
|
__mlx4_cq_free_icm(dev, cqn);
|
spin_lock_irq(mlx4_tlock(dev));
|
rb_erase(&cq->com.node,
|
&tracker->res_tree[RES_CQ]);
|
list_del(&cq->com.list);
|
spin_unlock_irq(mlx4_tlock(dev));
|
mlx4_release_resource(dev, slave,
|
RES_CQ, 1, 0);
|
kfree(cq);
|
state = 0;
|
break;
|
|
case RES_CQ_HW:
|
in_param = slave;
|
err = mlx4_cmd(dev, in_param, cqn, 1,
|
MLX4_CMD_HW2SW_CQ,
|
MLX4_CMD_TIME_CLASS_A,
|
MLX4_CMD_NATIVE);
|
if (err)
|
mlx4_dbg(dev, "rem_slave_cqs: failed to move slave %d cq %d to SW ownership\n",
|
slave, cqn);
|
atomic_dec(&cq->mtt->ref_count);
|
state = RES_CQ_ALLOCATED;
|
break;
|
|
default:
|
state = 0;
|
}
|
}
|
}
|
spin_lock_irq(mlx4_tlock(dev));
|
}
|
spin_unlock_irq(mlx4_tlock(dev));
|
}
|
|
static void rem_slave_mrs(struct mlx4_dev *dev, int slave)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
|
struct list_head *mpt_list =
|
&tracker->slave_list[slave].res_list[RES_MPT];
|
struct res_mpt *mpt;
|
struct res_mpt *tmp;
|
int state;
|
u64 in_param;
|
int mptn;
|
int err;
|
|
err = move_all_busy(dev, slave, RES_MPT);
|
if (err)
|
mlx4_warn(dev, "rem_slave_mrs: Could not move all mpts - too busy for slave %d\n",
|
slave);
|
|
spin_lock_irq(mlx4_tlock(dev));
|
list_for_each_entry_safe(mpt, tmp, mpt_list, com.list) {
|
spin_unlock_irq(mlx4_tlock(dev));
|
if (mpt->com.owner == slave) {
|
mptn = mpt->com.res_id;
|
state = mpt->com.from_state;
|
while (state != 0) {
|
switch (state) {
|
case RES_MPT_RESERVED:
|
__mlx4_mpt_release(dev, mpt->key);
|
spin_lock_irq(mlx4_tlock(dev));
|
rb_erase(&mpt->com.node,
|
&tracker->res_tree[RES_MPT]);
|
list_del(&mpt->com.list);
|
spin_unlock_irq(mlx4_tlock(dev));
|
mlx4_release_resource(dev, slave,
|
RES_MPT, 1, 0);
|
kfree(mpt);
|
state = 0;
|
break;
|
|
case RES_MPT_MAPPED:
|
__mlx4_mpt_free_icm(dev, mpt->key);
|
state = RES_MPT_RESERVED;
|
break;
|
|
case RES_MPT_HW:
|
in_param = slave;
|
err = mlx4_cmd(dev, in_param, mptn, 0,
|
MLX4_CMD_HW2SW_MPT,
|
MLX4_CMD_TIME_CLASS_A,
|
MLX4_CMD_NATIVE);
|
if (err)
|
mlx4_dbg(dev, "rem_slave_mrs: failed to move slave %d mpt %d to SW ownership\n",
|
slave, mptn);
|
if (mpt->mtt)
|
atomic_dec(&mpt->mtt->ref_count);
|
state = RES_MPT_MAPPED;
|
break;
|
default:
|
state = 0;
|
}
|
}
|
}
|
spin_lock_irq(mlx4_tlock(dev));
|
}
|
spin_unlock_irq(mlx4_tlock(dev));
|
}
|
|
static void rem_slave_mtts(struct mlx4_dev *dev, int slave)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct mlx4_resource_tracker *tracker =
|
&priv->mfunc.master.res_tracker;
|
struct list_head *mtt_list =
|
&tracker->slave_list[slave].res_list[RES_MTT];
|
struct res_mtt *mtt;
|
struct res_mtt *tmp;
|
int state;
|
int base;
|
int err;
|
|
err = move_all_busy(dev, slave, RES_MTT);
|
if (err)
|
mlx4_warn(dev, "rem_slave_mtts: Could not move all mtts - too busy for slave %d\n",
|
slave);
|
|
spin_lock_irq(mlx4_tlock(dev));
|
list_for_each_entry_safe(mtt, tmp, mtt_list, com.list) {
|
spin_unlock_irq(mlx4_tlock(dev));
|
if (mtt->com.owner == slave) {
|
base = mtt->com.res_id;
|
state = mtt->com.from_state;
|
while (state != 0) {
|
switch (state) {
|
case RES_MTT_ALLOCATED:
|
__mlx4_free_mtt_range(dev, base,
|
mtt->order);
|
spin_lock_irq(mlx4_tlock(dev));
|
rb_erase(&mtt->com.node,
|
&tracker->res_tree[RES_MTT]);
|
list_del(&mtt->com.list);
|
spin_unlock_irq(mlx4_tlock(dev));
|
mlx4_release_resource(dev, slave, RES_MTT,
|
1 << mtt->order, 0);
|
kfree(mtt);
|
state = 0;
|
break;
|
|
default:
|
state = 0;
|
}
|
}
|
}
|
spin_lock_irq(mlx4_tlock(dev));
|
}
|
spin_unlock_irq(mlx4_tlock(dev));
|
}
|
|
static int mlx4_do_mirror_rule(struct mlx4_dev *dev, struct res_fs_rule *fs_rule)
|
{
|
struct mlx4_cmd_mailbox *mailbox;
|
int err;
|
struct res_fs_rule *mirr_rule;
|
u64 reg_id;
|
|
mailbox = mlx4_alloc_cmd_mailbox(dev);
|
if (IS_ERR(mailbox))
|
return PTR_ERR(mailbox);
|
|
if (!fs_rule->mirr_mbox) {
|
mlx4_err(dev, "rule mirroring mailbox is null\n");
|
mlx4_free_cmd_mailbox(dev, mailbox);
|
return -EINVAL;
|
}
|
memcpy(mailbox->buf, fs_rule->mirr_mbox, fs_rule->mirr_mbox_size);
|
err = mlx4_cmd_imm(dev, mailbox->dma, ®_id, fs_rule->mirr_mbox_size >> 2, 0,
|
MLX4_QP_FLOW_STEERING_ATTACH, MLX4_CMD_TIME_CLASS_A,
|
MLX4_CMD_NATIVE);
|
mlx4_free_cmd_mailbox(dev, mailbox);
|
|
if (err)
|
goto err;
|
|
err = add_res_range(dev, fs_rule->com.owner, reg_id, 1, RES_FS_RULE, fs_rule->qpn);
|
if (err)
|
goto err_detach;
|
|
err = get_res(dev, fs_rule->com.owner, reg_id, RES_FS_RULE, &mirr_rule);
|
if (err)
|
goto err_rem;
|
|
fs_rule->mirr_rule_id = reg_id;
|
mirr_rule->mirr_rule_id = 0;
|
mirr_rule->mirr_mbox_size = 0;
|
mirr_rule->mirr_mbox = NULL;
|
put_res(dev, fs_rule->com.owner, reg_id, RES_FS_RULE);
|
|
return 0;
|
err_rem:
|
rem_res_range(dev, fs_rule->com.owner, reg_id, 1, RES_FS_RULE, 0);
|
err_detach:
|
mlx4_cmd(dev, reg_id, 0, 0, MLX4_QP_FLOW_STEERING_DETACH,
|
MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
|
err:
|
return err;
|
}
|
|
static int mlx4_mirror_fs_rules(struct mlx4_dev *dev, bool bond)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct mlx4_resource_tracker *tracker =
|
&priv->mfunc.master.res_tracker;
|
struct rb_root *root = &tracker->res_tree[RES_FS_RULE];
|
struct rb_node *p;
|
struct res_fs_rule *fs_rule;
|
int err = 0;
|
LIST_HEAD(mirr_list);
|
|
for (p = rb_first(root); p; p = rb_next(p)) {
|
fs_rule = rb_entry(p, struct res_fs_rule, com.node);
|
if ((bond && fs_rule->mirr_mbox_size) ||
|
(!bond && !fs_rule->mirr_mbox_size))
|
list_add_tail(&fs_rule->mirr_list, &mirr_list);
|
}
|
|
list_for_each_entry(fs_rule, &mirr_list, mirr_list) {
|
if (bond)
|
err += mlx4_do_mirror_rule(dev, fs_rule);
|
else
|
err += mlx4_undo_mirror_rule(dev, fs_rule);
|
}
|
return err;
|
}
|
|
int mlx4_bond_fs_rules(struct mlx4_dev *dev)
|
{
|
return mlx4_mirror_fs_rules(dev, true);
|
}
|
|
int mlx4_unbond_fs_rules(struct mlx4_dev *dev)
|
{
|
return mlx4_mirror_fs_rules(dev, false);
|
}
|
|
static void rem_slave_fs_rule(struct mlx4_dev *dev, int slave)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct mlx4_resource_tracker *tracker =
|
&priv->mfunc.master.res_tracker;
|
struct list_head *fs_rule_list =
|
&tracker->slave_list[slave].res_list[RES_FS_RULE];
|
struct res_fs_rule *fs_rule;
|
struct res_fs_rule *tmp;
|
int state;
|
u64 base;
|
int err;
|
|
err = move_all_busy(dev, slave, RES_FS_RULE);
|
if (err)
|
mlx4_warn(dev, "rem_slave_fs_rule: Could not move all mtts to busy for slave %d\n",
|
slave);
|
|
spin_lock_irq(mlx4_tlock(dev));
|
list_for_each_entry_safe(fs_rule, tmp, fs_rule_list, com.list) {
|
spin_unlock_irq(mlx4_tlock(dev));
|
if (fs_rule->com.owner == slave) {
|
base = fs_rule->com.res_id;
|
state = fs_rule->com.from_state;
|
while (state != 0) {
|
switch (state) {
|
case RES_FS_RULE_ALLOCATED:
|
/* detach rule */
|
err = mlx4_cmd(dev, base, 0, 0,
|
MLX4_QP_FLOW_STEERING_DETACH,
|
MLX4_CMD_TIME_CLASS_A,
|
MLX4_CMD_NATIVE);
|
|
spin_lock_irq(mlx4_tlock(dev));
|
rb_erase(&fs_rule->com.node,
|
&tracker->res_tree[RES_FS_RULE]);
|
list_del(&fs_rule->com.list);
|
spin_unlock_irq(mlx4_tlock(dev));
|
kfree(fs_rule->mirr_mbox);
|
kfree(fs_rule);
|
state = 0;
|
break;
|
|
default:
|
state = 0;
|
}
|
}
|
}
|
spin_lock_irq(mlx4_tlock(dev));
|
}
|
spin_unlock_irq(mlx4_tlock(dev));
|
}
|
|
static void rem_slave_eqs(struct mlx4_dev *dev, int slave)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
|
struct list_head *eq_list =
|
&tracker->slave_list[slave].res_list[RES_EQ];
|
struct res_eq *eq;
|
struct res_eq *tmp;
|
int err;
|
int state;
|
int eqn;
|
|
err = move_all_busy(dev, slave, RES_EQ);
|
if (err)
|
mlx4_warn(dev, "rem_slave_eqs: Could not move all eqs - too busy for slave %d\n",
|
slave);
|
|
spin_lock_irq(mlx4_tlock(dev));
|
list_for_each_entry_safe(eq, tmp, eq_list, com.list) {
|
spin_unlock_irq(mlx4_tlock(dev));
|
if (eq->com.owner == slave) {
|
eqn = eq->com.res_id;
|
state = eq->com.from_state;
|
while (state != 0) {
|
switch (state) {
|
case RES_EQ_RESERVED:
|
spin_lock_irq(mlx4_tlock(dev));
|
rb_erase(&eq->com.node,
|
&tracker->res_tree[RES_EQ]);
|
list_del(&eq->com.list);
|
spin_unlock_irq(mlx4_tlock(dev));
|
kfree(eq);
|
state = 0;
|
break;
|
|
case RES_EQ_HW:
|
err = mlx4_cmd(dev, slave, eqn & 0x3ff,
|
1, MLX4_CMD_HW2SW_EQ,
|
MLX4_CMD_TIME_CLASS_A,
|
MLX4_CMD_NATIVE);
|
if (err)
|
mlx4_dbg(dev, "rem_slave_eqs: failed to move slave %d eqs %d to SW ownership\n",
|
slave, eqn & 0x3ff);
|
atomic_dec(&eq->mtt->ref_count);
|
state = RES_EQ_RESERVED;
|
break;
|
|
default:
|
state = 0;
|
}
|
}
|
}
|
spin_lock_irq(mlx4_tlock(dev));
|
}
|
spin_unlock_irq(mlx4_tlock(dev));
|
}
|
|
static void rem_slave_counters(struct mlx4_dev *dev, int slave)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
|
struct list_head *counter_list =
|
&tracker->slave_list[slave].res_list[RES_COUNTER];
|
struct res_counter *counter;
|
struct res_counter *tmp;
|
int err;
|
int *counters_arr = NULL;
|
int i, j;
|
|
err = move_all_busy(dev, slave, RES_COUNTER);
|
if (err)
|
mlx4_warn(dev, "rem_slave_counters: Could not move all counters - too busy for slave %d\n",
|
slave);
|
|
counters_arr = kmalloc_array(dev->caps.max_counters,
|
sizeof(*counters_arr), GFP_KERNEL);
|
if (!counters_arr)
|
return;
|
|
do {
|
i = 0;
|
j = 0;
|
spin_lock_irq(mlx4_tlock(dev));
|
list_for_each_entry_safe(counter, tmp, counter_list, com.list) {
|
if (counter->com.owner == slave) {
|
counters_arr[i++] = counter->com.res_id;
|
rb_erase(&counter->com.node,
|
&tracker->res_tree[RES_COUNTER]);
|
list_del(&counter->com.list);
|
kfree(counter);
|
}
|
}
|
spin_unlock_irq(mlx4_tlock(dev));
|
|
while (j < i) {
|
__mlx4_counter_free(dev, counters_arr[j++]);
|
mlx4_release_resource(dev, slave, RES_COUNTER, 1, 0);
|
}
|
} while (i);
|
|
kfree(counters_arr);
|
}
|
|
static void rem_slave_xrcdns(struct mlx4_dev *dev, int slave)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
|
struct list_head *xrcdn_list =
|
&tracker->slave_list[slave].res_list[RES_XRCD];
|
struct res_xrcdn *xrcd;
|
struct res_xrcdn *tmp;
|
int err;
|
int xrcdn;
|
|
err = move_all_busy(dev, slave, RES_XRCD);
|
if (err)
|
mlx4_warn(dev, "rem_slave_xrcdns: Could not move all xrcdns - too busy for slave %d\n",
|
slave);
|
|
spin_lock_irq(mlx4_tlock(dev));
|
list_for_each_entry_safe(xrcd, tmp, xrcdn_list, com.list) {
|
if (xrcd->com.owner == slave) {
|
xrcdn = xrcd->com.res_id;
|
rb_erase(&xrcd->com.node, &tracker->res_tree[RES_XRCD]);
|
list_del(&xrcd->com.list);
|
kfree(xrcd);
|
__mlx4_xrcd_free(dev, xrcdn);
|
}
|
}
|
spin_unlock_irq(mlx4_tlock(dev));
|
}
|
|
void mlx4_delete_all_resources_for_slave(struct mlx4_dev *dev, int slave)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
mlx4_reset_roce_gids(dev, slave);
|
mutex_lock(&priv->mfunc.master.res_tracker.slave_list[slave].mutex);
|
rem_slave_vlans(dev, slave);
|
rem_slave_macs(dev, slave);
|
rem_slave_fs_rule(dev, slave);
|
rem_slave_qps(dev, slave);
|
rem_slave_srqs(dev, slave);
|
rem_slave_cqs(dev, slave);
|
rem_slave_mrs(dev, slave);
|
rem_slave_eqs(dev, slave);
|
rem_slave_mtts(dev, slave);
|
rem_slave_counters(dev, slave);
|
rem_slave_xrcdns(dev, slave);
|
mutex_unlock(&priv->mfunc.master.res_tracker.slave_list[slave].mutex);
|
}
|
|
static void update_qos_vpp(struct mlx4_update_qp_context *ctx,
|
struct mlx4_vf_immed_vlan_work *work)
|
{
|
ctx->qp_mask |= cpu_to_be64(1ULL << MLX4_UPD_QP_MASK_QOS_VPP);
|
ctx->qp_context.qos_vport = work->qos_vport;
|
}
|
|
void mlx4_vf_immed_vlan_work_handler(struct work_struct *_work)
|
{
|
struct mlx4_vf_immed_vlan_work *work =
|
container_of(_work, struct mlx4_vf_immed_vlan_work, work);
|
struct mlx4_cmd_mailbox *mailbox;
|
struct mlx4_update_qp_context *upd_context;
|
struct mlx4_dev *dev = &work->priv->dev;
|
struct mlx4_resource_tracker *tracker =
|
&work->priv->mfunc.master.res_tracker;
|
struct list_head *qp_list =
|
&tracker->slave_list[work->slave].res_list[RES_QP];
|
struct res_qp *qp;
|
struct res_qp *tmp;
|
u64 qp_path_mask_vlan_ctrl =
|
((1ULL << MLX4_UPD_QP_PATH_MASK_ETH_TX_BLOCK_UNTAGGED) |
|
(1ULL << MLX4_UPD_QP_PATH_MASK_ETH_TX_BLOCK_1P) |
|
(1ULL << MLX4_UPD_QP_PATH_MASK_ETH_TX_BLOCK_TAGGED) |
|
(1ULL << MLX4_UPD_QP_PATH_MASK_ETH_RX_BLOCK_UNTAGGED) |
|
(1ULL << MLX4_UPD_QP_PATH_MASK_ETH_RX_BLOCK_1P) |
|
(1ULL << MLX4_UPD_QP_PATH_MASK_ETH_RX_BLOCK_TAGGED));
|
|
u64 qp_path_mask = ((1ULL << MLX4_UPD_QP_PATH_MASK_VLAN_INDEX) |
|
(1ULL << MLX4_UPD_QP_PATH_MASK_FVL) |
|
(1ULL << MLX4_UPD_QP_PATH_MASK_CV) |
|
(1ULL << MLX4_UPD_QP_PATH_MASK_SV) |
|
(1ULL << MLX4_UPD_QP_PATH_MASK_ETH_HIDE_CQE_VLAN) |
|
(1ULL << MLX4_UPD_QP_PATH_MASK_FEUP) |
|
(1ULL << MLX4_UPD_QP_PATH_MASK_FVL_RX) |
|
(1ULL << MLX4_UPD_QP_PATH_MASK_SCHED_QUEUE));
|
|
int err;
|
int port, errors = 0;
|
u8 vlan_control;
|
|
if (mlx4_is_slave(dev)) {
|
mlx4_warn(dev, "Trying to update-qp in slave %d\n",
|
work->slave);
|
goto out;
|
}
|
|
mailbox = mlx4_alloc_cmd_mailbox(dev);
|
if (IS_ERR(mailbox))
|
goto out;
|
if (work->flags & MLX4_VF_IMMED_VLAN_FLAG_LINK_DISABLE) /* block all */
|
vlan_control = MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED |
|
MLX4_VLAN_CTRL_ETH_TX_BLOCK_PRIO_TAGGED |
|
MLX4_VLAN_CTRL_ETH_TX_BLOCK_UNTAGGED |
|
MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED |
|
MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED |
|
MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED;
|
else if (!work->vlan_id)
|
vlan_control = MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED |
|
MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED;
|
else if (work->vlan_proto == htons(ETH_P_8021AD))
|
vlan_control = MLX4_VLAN_CTRL_ETH_TX_BLOCK_PRIO_TAGGED |
|
MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED |
|
MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED |
|
MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED;
|
else /* vst 802.1Q */
|
vlan_control = MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED |
|
MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED |
|
MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED;
|
|
upd_context = mailbox->buf;
|
upd_context->qp_mask = cpu_to_be64(1ULL << MLX4_UPD_QP_MASK_VSD);
|
|
spin_lock_irq(mlx4_tlock(dev));
|
list_for_each_entry_safe(qp, tmp, qp_list, com.list) {
|
spin_unlock_irq(mlx4_tlock(dev));
|
if (qp->com.owner == work->slave) {
|
if (qp->com.from_state != RES_QP_HW ||
|
!qp->sched_queue || /* no INIT2RTR trans yet */
|
mlx4_is_qp_reserved(dev, qp->local_qpn) ||
|
qp->qpc_flags & (1 << MLX4_RSS_QPC_FLAG_OFFSET)) {
|
spin_lock_irq(mlx4_tlock(dev));
|
continue;
|
}
|
port = (qp->sched_queue >> 6 & 1) + 1;
|
if (port != work->port) {
|
spin_lock_irq(mlx4_tlock(dev));
|
continue;
|
}
|
if (MLX4_QP_ST_RC == ((qp->qpc_flags >> 16) & 0xff))
|
upd_context->primary_addr_path_mask = cpu_to_be64(qp_path_mask);
|
else
|
upd_context->primary_addr_path_mask =
|
cpu_to_be64(qp_path_mask | qp_path_mask_vlan_ctrl);
|
if (work->vlan_id == MLX4_VGT) {
|
upd_context->qp_context.param3 = qp->param3;
|
upd_context->qp_context.pri_path.vlan_control = qp->vlan_control;
|
upd_context->qp_context.pri_path.fvl_rx = qp->fvl_rx;
|
upd_context->qp_context.pri_path.vlan_index = qp->vlan_index;
|
upd_context->qp_context.pri_path.fl = qp->pri_path_fl;
|
upd_context->qp_context.pri_path.feup = qp->feup;
|
upd_context->qp_context.pri_path.sched_queue =
|
qp->sched_queue;
|
} else {
|
upd_context->qp_context.param3 = qp->param3 & ~cpu_to_be32(MLX4_STRIP_VLAN);
|
upd_context->qp_context.pri_path.vlan_control = vlan_control;
|
upd_context->qp_context.pri_path.vlan_index = work->vlan_ix;
|
upd_context->qp_context.pri_path.fvl_rx =
|
qp->fvl_rx | MLX4_FVL_RX_FORCE_ETH_VLAN;
|
upd_context->qp_context.pri_path.fl =
|
qp->pri_path_fl | MLX4_FL_ETH_HIDE_CQE_VLAN;
|
if (work->vlan_proto == htons(ETH_P_8021AD))
|
upd_context->qp_context.pri_path.fl |= MLX4_FL_SV;
|
else
|
upd_context->qp_context.pri_path.fl |= MLX4_FL_CV;
|
upd_context->qp_context.pri_path.feup =
|
qp->feup | MLX4_FEUP_FORCE_ETH_UP | MLX4_FVL_FORCE_ETH_VLAN;
|
upd_context->qp_context.pri_path.sched_queue =
|
qp->sched_queue & 0xC7;
|
upd_context->qp_context.pri_path.sched_queue |=
|
((work->qos & 0x7) << 3);
|
|
if (dev->caps.flags2 &
|
MLX4_DEV_CAP_FLAG2_QOS_VPP)
|
update_qos_vpp(upd_context, work);
|
}
|
|
err = mlx4_cmd(dev, mailbox->dma,
|
qp->local_qpn & 0xffffff,
|
0, MLX4_CMD_UPDATE_QP,
|
MLX4_CMD_TIME_CLASS_C, MLX4_CMD_NATIVE);
|
if (err) {
|
mlx4_info(dev, "UPDATE_QP failed for slave %d, port %d, qpn %d (%d)\n",
|
work->slave, port, qp->local_qpn, err);
|
errors++;
|
}
|
}
|
spin_lock_irq(mlx4_tlock(dev));
|
}
|
spin_unlock_irq(mlx4_tlock(dev));
|
mlx4_free_cmd_mailbox(dev, mailbox);
|
|
if (errors)
|
mlx4_err(dev, "%d UPDATE_QP failures for slave %d, port %d\n",
|
errors, work->slave, work->port);
|
|
/* unregister previous vlan_id if needed and we had no errors
|
* while updating the QPs
|
*/
|
if (work->flags & MLX4_VF_IMMED_VLAN_FLAG_VLAN && !errors &&
|
NO_INDX != work->orig_vlan_ix)
|
__mlx4_unregister_vlan(&work->priv->dev, work->port,
|
work->orig_vlan_id);
|
out:
|
kfree(work);
|
return;
|
}
|
