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-rw-r--r--drivers/infiniband/hw/mlx5/main.c3
-rw-r--r--drivers/infiniband/hw/mlx5/mlx5_ib.h6
-rw-r--r--drivers/infiniband/hw/mlx5/mr.c163
-rw-r--r--drivers/infiniband/hw/mlx5/qp.c4
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/cmd.c106
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/debugfs.c8
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/mr.c32
-rw-r--r--include/linux/mlx5/driver.h17
8 files changed, 255 insertions, 84 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index b1a6cb3a2809..306534109627 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -745,7 +745,8 @@ static int alloc_pa_mkey(struct mlx5_ib_dev *dev, u32 *key, u32 pdn)
seg->qpn_mkey7_0 = cpu_to_be32(0xffffff << 8);
seg->start_addr = 0;
- err = mlx5_core_create_mkey(&dev->mdev, &mr, in, sizeof(*in));
+ err = mlx5_core_create_mkey(&dev->mdev, &mr, in, sizeof(*in),
+ NULL, NULL, NULL);
if (err) {
mlx5_ib_warn(dev, "failed to create mkey, %d\n", err);
goto err_in;
diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h
index 836be9157242..4c134d93d4fc 100644
--- a/drivers/infiniband/hw/mlx5/mlx5_ib.h
+++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h
@@ -262,6 +262,9 @@ struct mlx5_ib_mr {
int npages;
struct completion done;
enum ib_wc_status status;
+ struct mlx5_ib_dev *dev;
+ struct mlx5_create_mkey_mbox_out out;
+ unsigned long start;
};
struct mlx5_ib_fast_reg_page_list {
@@ -323,6 +326,7 @@ struct mlx5_cache_ent {
struct mlx5_ib_dev *dev;
struct work_struct work;
struct delayed_work dwork;
+ int pending;
};
struct mlx5_mr_cache {
@@ -358,6 +362,8 @@ struct mlx5_ib_dev {
spinlock_t mr_lock;
struct mlx5_ib_resources devr;
struct mlx5_mr_cache cache;
+ struct timer_list delay_timer;
+ int fill_delay;
};
static inline struct mlx5_ib_cq *to_mibcq(struct mlx5_core_cq *mcq)
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index 3453580b1eb2..d7f202290747 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -35,11 +35,13 @@
#include <linux/random.h>
#include <linux/debugfs.h>
#include <linux/export.h>
+#include <linux/delay.h>
#include <rdma/ib_umem.h>
#include "mlx5_ib.h"
enum {
DEF_CACHE_SIZE = 10,
+ MAX_PENDING_REG_MR = 8,
};
enum {
@@ -63,6 +65,57 @@ static int order2idx(struct mlx5_ib_dev *dev, int order)
return order - cache->ent[0].order;
}
+static void reg_mr_callback(int status, void *context)
+{
+ struct mlx5_ib_mr *mr = context;
+ struct mlx5_ib_dev *dev = mr->dev;
+ struct mlx5_mr_cache *cache = &dev->cache;
+ int c = order2idx(dev, mr->order);
+ struct mlx5_cache_ent *ent = &cache->ent[c];
+ u8 key;
+ unsigned long delta = jiffies - mr->start;
+ unsigned long index;
+ unsigned long flags;
+
+ index = find_last_bit(&delta, 8 * sizeof(delta));
+ if (index == 64)
+ index = 0;
+
+ spin_lock_irqsave(&ent->lock, flags);
+ ent->pending--;
+ spin_unlock_irqrestore(&ent->lock, flags);
+ if (status) {
+ mlx5_ib_warn(dev, "async reg mr failed. status %d\n", status);
+ kfree(mr);
+ dev->fill_delay = 1;
+ mod_timer(&dev->delay_timer, jiffies + HZ);
+ return;
+ }
+
+ if (mr->out.hdr.status) {
+ mlx5_ib_warn(dev, "failed - status %d, syndorme 0x%x\n",
+ mr->out.hdr.status,
+ be32_to_cpu(mr->out.hdr.syndrome));
+ kfree(mr);
+ dev->fill_delay = 1;
+ mod_timer(&dev->delay_timer, jiffies + HZ);
+ return;
+ }
+
+ spin_lock_irqsave(&dev->mdev.priv.mkey_lock, flags);
+ key = dev->mdev.priv.mkey_key++;
+ spin_unlock_irqrestore(&dev->mdev.priv.mkey_lock, flags);
+ mr->mmr.key = mlx5_idx_to_mkey(be32_to_cpu(mr->out.mkey) & 0xffffff) | key;
+
+ cache->last_add = jiffies;
+
+ spin_lock_irqsave(&ent->lock, flags);
+ list_add_tail(&mr->list, &ent->head);
+ ent->cur++;
+ ent->size++;
+ spin_unlock_irqrestore(&ent->lock, flags);
+}
+
static int add_keys(struct mlx5_ib_dev *dev, int c, int num)
{
struct mlx5_mr_cache *cache = &dev->cache;
@@ -78,36 +131,39 @@ static int add_keys(struct mlx5_ib_dev *dev, int c, int num)
return -ENOMEM;
for (i = 0; i < num; i++) {
+ if (ent->pending >= MAX_PENDING_REG_MR) {
+ err = -EAGAIN;
+ break;
+ }
+
mr = kzalloc(sizeof(*mr), GFP_KERNEL);
if (!mr) {
err = -ENOMEM;
- goto out;
+ break;
}
mr->order = ent->order;
mr->umred = 1;
+ mr->dev = dev;
in->seg.status = 1 << 6;
in->seg.xlt_oct_size = cpu_to_be32((npages + 1) / 2);
in->seg.qpn_mkey7_0 = cpu_to_be32(0xffffff << 8);
in->seg.flags = MLX5_ACCESS_MODE_MTT | MLX5_PERM_UMR_EN;
in->seg.log2_page_size = 12;
+ spin_lock_irq(&ent->lock);
+ ent->pending++;
+ spin_unlock_irq(&ent->lock);
+ mr->start = jiffies;
err = mlx5_core_create_mkey(&dev->mdev, &mr->mmr, in,
- sizeof(*in));
+ sizeof(*in), reg_mr_callback,
+ mr, &mr->out);
if (err) {
mlx5_ib_warn(dev, "create mkey failed %d\n", err);
kfree(mr);
- goto out;
+ break;
}
- cache->last_add = jiffies;
-
- spin_lock(&ent->lock);
- list_add_tail(&mr->list, &ent->head);
- ent->cur++;
- ent->size++;
- spin_unlock(&ent->lock);
}
-out:
kfree(in);
return err;
}
@@ -121,16 +177,16 @@ static void remove_keys(struct mlx5_ib_dev *dev, int c, int num)
int i;
for (i = 0; i < num; i++) {
- spin_lock(&ent->lock);
+ spin_lock_irq(&ent->lock);
if (list_empty(&ent->head)) {
- spin_unlock(&ent->lock);
+ spin_unlock_irq(&ent->lock);
return;
}
mr = list_first_entry(&ent->head, struct mlx5_ib_mr, list);
list_del(&mr->list);
ent->cur--;
ent->size--;
- spin_unlock(&ent->lock);
+ spin_unlock_irq(&ent->lock);
err = mlx5_core_destroy_mkey(&dev->mdev, &mr->mmr);
if (err)
mlx5_ib_warn(dev, "failed destroy mkey\n");
@@ -162,9 +218,13 @@ static ssize_t size_write(struct file *filp, const char __user *buf,
return -EINVAL;
if (var > ent->size) {
- err = add_keys(dev, c, var - ent->size);
- if (err)
- return err;
+ do {
+ err = add_keys(dev, c, var - ent->size);
+ if (err && err != -EAGAIN)
+ return err;
+
+ usleep_range(3000, 5000);
+ } while (err);
} else if (var < ent->size) {
remove_keys(dev, c, ent->size - var);
}
@@ -280,23 +340,37 @@ static void __cache_work_func(struct mlx5_cache_ent *ent)
struct mlx5_ib_dev *dev = ent->dev;
struct mlx5_mr_cache *cache = &dev->cache;
int i = order2idx(dev, ent->order);
+ int err;
if (cache->stopped)
return;
ent = &dev->cache.ent[i];
- if (ent->cur < 2 * ent->limit) {
- add_keys(dev, i, 1);
- if (ent->cur < 2 * ent->limit)
- queue_work(cache->wq, &ent->work);
+ if (ent->cur < 2 * ent->limit && !dev->fill_delay) {
+ err = add_keys(dev, i, 1);
+ if (ent->cur < 2 * ent->limit) {
+ if (err == -EAGAIN) {
+ mlx5_ib_dbg(dev, "returned eagain, order %d\n",
+ i + 2);
+ queue_delayed_work(cache->wq, &ent->dwork,
+ msecs_to_jiffies(3));
+ } else if (err) {
+ mlx5_ib_warn(dev, "command failed order %d, err %d\n",
+ i + 2, err);
+ queue_delayed_work(cache->wq, &ent->dwork,
+ msecs_to_jiffies(1000));
+ } else {
+ queue_work(cache->wq, &ent->work);
+ }
+ }
} else if (ent->cur > 2 * ent->limit) {
if (!someone_adding(cache) &&
- time_after(jiffies, cache->last_add + 60 * HZ)) {
+ time_after(jiffies, cache->last_add + 300 * HZ)) {
remove_keys(dev, i, 1);
if (ent->cur > ent->limit)
queue_work(cache->wq, &ent->work);
} else {
- queue_delayed_work(cache->wq, &ent->dwork, 60 * HZ);
+ queue_delayed_work(cache->wq, &ent->dwork, 300 * HZ);
}
}
}
@@ -336,18 +410,18 @@ static struct mlx5_ib_mr *alloc_cached_mr(struct mlx5_ib_dev *dev, int order)
mlx5_ib_dbg(dev, "order %d, cache index %d\n", ent->order, i);
- spin_lock(&ent->lock);
+ spin_lock_irq(&ent->lock);
if (!list_empty(&ent->head)) {
mr = list_first_entry(&ent->head, struct mlx5_ib_mr,
list);
list_del(&mr->list);
ent->cur--;
- spin_unlock(&ent->lock);
+ spin_unlock_irq(&ent->lock);
if (ent->cur < ent->limit)
queue_work(cache->wq, &ent->work);
break;
}
- spin_unlock(&ent->lock);
+ spin_unlock_irq(&ent->lock);
queue_work(cache->wq, &ent->work);
@@ -374,12 +448,12 @@ static void free_cached_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr)
return;
}
ent = &cache->ent[c];
- spin_lock(&ent->lock);
+ spin_lock_irq(&ent->lock);
list_add_tail(&mr->list, &ent->head);
ent->cur++;
if (ent->cur > 2 * ent->limit)
shrink = 1;
- spin_unlock(&ent->lock);
+ spin_unlock_irq(&ent->lock);
if (shrink)
queue_work(cache->wq, &ent->work);
@@ -394,16 +468,16 @@ static void clean_keys(struct mlx5_ib_dev *dev, int c)
cancel_delayed_work(&ent->dwork);
while (1) {
- spin_lock(&ent->lock);
+ spin_lock_irq(&ent->lock);
if (list_empty(&ent->head)) {
- spin_unlock(&ent->lock);
+ spin_unlock_irq(&ent->lock);
return;
}
mr = list_first_entry(&ent->head, struct mlx5_ib_mr, list);
list_del(&mr->list);
ent->cur--;
ent->size--;
- spin_unlock(&ent->lock);
+ spin_unlock_irq(&ent->lock);
err = mlx5_core_destroy_mkey(&dev->mdev, &mr->mmr);
if (err)
mlx5_ib_warn(dev, "failed destroy mkey\n");
@@ -464,6 +538,13 @@ static void mlx5_mr_cache_debugfs_cleanup(struct mlx5_ib_dev *dev)
debugfs_remove_recursive(dev->cache.root);
}
+static void delay_time_func(unsigned long ctx)
+{
+ struct mlx5_ib_dev *dev = (struct mlx5_ib_dev *)ctx;
+
+ dev->fill_delay = 0;
+}
+
int mlx5_mr_cache_init(struct mlx5_ib_dev *dev)
{
struct mlx5_mr_cache *cache = &dev->cache;
@@ -479,6 +560,7 @@ int mlx5_mr_cache_init(struct mlx5_ib_dev *dev)
return -ENOMEM;
}
+ setup_timer(&dev->delay_timer, delay_time_func, (unsigned long)dev);
for (i = 0; i < MAX_MR_CACHE_ENTRIES; i++) {
INIT_LIST_HEAD(&cache->ent[i].head);
spin_lock_init(&cache->ent[i].lock);
@@ -522,6 +604,7 @@ int mlx5_mr_cache_cleanup(struct mlx5_ib_dev *dev)
clean_keys(dev, i);
destroy_workqueue(dev->cache.wq);
+ del_timer_sync(&dev->delay_timer);
return 0;
}
@@ -551,7 +634,8 @@ struct ib_mr *mlx5_ib_get_dma_mr(struct ib_pd *pd, int acc)
seg->qpn_mkey7_0 = cpu_to_be32(0xffffff << 8);
seg->start_addr = 0;
- err = mlx5_core_create_mkey(mdev, &mr->mmr, in, sizeof(*in));
+ err = mlx5_core_create_mkey(mdev, &mr->mmr, in, sizeof(*in), NULL, NULL,
+ NULL);
if (err)
goto err_in;
@@ -660,14 +744,14 @@ static struct mlx5_ib_mr *reg_umr(struct ib_pd *pd, struct ib_umem *umem,
int err;
int i;
- for (i = 0; i < 10; i++) {
+ for (i = 0; i < 1; i++) {
mr = alloc_cached_mr(dev, order);
if (mr)
break;
err = add_keys(dev, order2idx(dev, order), 1);
- if (err) {
- mlx5_ib_warn(dev, "add_keys failed\n");
+ if (err && err != -EAGAIN) {
+ mlx5_ib_warn(dev, "add_keys failed, err %d\n", err);
break;
}
}
@@ -759,8 +843,10 @@ static struct mlx5_ib_mr *reg_create(struct ib_pd *pd, u64 virt_addr,
in->seg.xlt_oct_size = cpu_to_be32(get_octo_len(virt_addr, length, 1 << page_shift));
in->seg.log2_page_size = page_shift;
in->seg.qpn_mkey7_0 = cpu_to_be32(0xffffff << 8);
- in->xlat_oct_act_size = cpu_to_be32(get_octo_len(virt_addr, length, 1 << page_shift));
- err = mlx5_core_create_mkey(&dev->mdev, &mr->mmr, in, inlen);
+ in->xlat_oct_act_size = cpu_to_be32(get_octo_len(virt_addr, length,
+ 1 << page_shift));
+ err = mlx5_core_create_mkey(&dev->mdev, &mr->mmr, in, inlen, NULL,
+ NULL, NULL);
if (err) {
mlx5_ib_warn(dev, "create mkey failed\n");
goto err_2;
@@ -944,7 +1030,8 @@ struct ib_mr *mlx5_ib_alloc_fast_reg_mr(struct ib_pd *pd,
* TBD not needed - issue 197292 */
in->seg.log2_page_size = PAGE_SHIFT;
- err = mlx5_core_create_mkey(&dev->mdev, &mr->mmr, in, sizeof(*in));
+ err = mlx5_core_create_mkey(&dev->mdev, &mr->mmr, in, sizeof(*in), NULL,
+ NULL, NULL);
kfree(in);
if (err)
goto err_free;
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index 5659ea880741..e3881433f5d7 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -1744,6 +1744,7 @@ static void set_reg_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr,
MLX5_MKEY_MASK_PD |
MLX5_MKEY_MASK_LR |
MLX5_MKEY_MASK_LW |
+ MLX5_MKEY_MASK_KEY |
MLX5_MKEY_MASK_RR |
MLX5_MKEY_MASK_RW |
MLX5_MKEY_MASK_A |
@@ -1800,7 +1801,8 @@ static void set_reg_mkey_segment(struct mlx5_mkey_seg *seg, struct ib_send_wr *w
seg->start_addr = cpu_to_be64(wr->wr.fast_reg.iova_start);
seg->len = cpu_to_be64(wr->wr.fast_reg.length);
seg->log2_page_size = wr->wr.fast_reg.page_shift;
- seg->qpn_mkey7_0 = cpu_to_be32(0xffffff << 8);
+ seg->qpn_mkey7_0 = cpu_to_be32(0xffffff00 |
+ mlx5_mkey_variant(wr->wr.fast_reg.rkey));
}
static void set_frwr_pages(struct mlx5_wqe_data_seg *dseg,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
index 6ca30739625f..8675d26a678b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
@@ -98,6 +98,7 @@ enum {
static struct mlx5_cmd_work_ent *alloc_cmd(struct mlx5_cmd *cmd,
struct mlx5_cmd_msg *in,
struct mlx5_cmd_msg *out,
+ void *uout, int uout_size,
mlx5_cmd_cbk_t cbk,
void *context, int page_queue)
{
@@ -110,6 +111,8 @@ static struct mlx5_cmd_work_ent *alloc_cmd(struct mlx5_cmd *cmd,
ent->in = in;
ent->out = out;
+ ent->uout = uout;
+ ent->uout_size = uout_size;
ent->callback = cbk;
ent->context = context;
ent->cmd = cmd;
@@ -534,6 +537,7 @@ static void cmd_work_handler(struct work_struct *work)
ent->lay = lay;
memset(lay, 0, sizeof(*lay));
memcpy(lay->in, ent->in->first.data, sizeof(lay->in));
+ ent->op = be32_to_cpu(lay->in[0]) >> 16;
if (ent->in->next)
lay->in_ptr = cpu_to_be64(ent->in->next->dma);
lay->inlen = cpu_to_be32(ent->in->len);
@@ -628,7 +632,8 @@ static int wait_func(struct mlx5_core_dev *dev, struct mlx5_cmd_work_ent *ent)
* 2. page queue commands do not support asynchrous completion
*/
static int mlx5_cmd_invoke(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *in,
- struct mlx5_cmd_msg *out, mlx5_cmd_cbk_t callback,
+ struct mlx5_cmd_msg *out, void *uout, int uout_size,
+ mlx5_cmd_cbk_t callback,
void *context, int page_queue, u8 *status)
{
struct mlx5_cmd *cmd = &dev->cmd;
@@ -642,7 +647,8 @@ static int mlx5_cmd_invoke(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *in,
if (callback && page_queue)
return -EINVAL;
- ent = alloc_cmd(cmd, in, out, callback, context, page_queue);
+ ent = alloc_cmd(cmd, in, out, uout, uout_size, callback, context,
+ page_queue);
if (IS_ERR(ent))
return PTR_ERR(ent);
@@ -670,10 +676,10 @@ static int mlx5_cmd_invoke(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *in,
op = be16_to_cpu(((struct mlx5_inbox_hdr *)in->first.data)->opcode);
if (op < ARRAY_SIZE(cmd->stats)) {
stats = &cmd->stats[op];
- spin_lock(&stats->lock);
+ spin_lock_irq(&stats->lock);
stats->sum += ds;
++stats->n;
- spin_unlock(&stats->lock);
+ spin_unlock_irq(&stats->lock);
}
mlx5_core_dbg_mask(dev, 1 << MLX5_CMD_TIME,
"fw exec time for %s is %lld nsec\n",
@@ -826,7 +832,7 @@ static struct mlx5_cmd_msg *mlx5_alloc_cmd_msg(struct mlx5_core_dev *dev,
int n;
int i;
- msg = kzalloc(sizeof(*msg), GFP_KERNEL);
+ msg = kzalloc(sizeof(*msg), flags);
if (!msg)
return ERR_PTR(-ENOMEM);
@@ -1109,6 +1115,19 @@ void mlx5_cmd_use_polling(struct mlx5_core_dev *dev)
up(&cmd->sem);
}
+static void free_msg(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *msg)
+{
+ unsigned long flags;
+
+ if (msg->cache) {
+ spin_lock_irqsave(&msg->cache->lock, flags);
+ list_add_tail(&msg->list, &msg->cache->head);
+ spin_unlock_irqrestore(&msg->cache->lock, flags);
+ } else {
+ mlx5_free_cmd_msg(dev, msg);
+ }
+}
+
void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, unsigned long vector)
{
struct mlx5_cmd *cmd = &dev->cmd;
@@ -1117,6 +1136,10 @@ void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, unsigned long vector)
void *context;
int err;
int i;
+ ktime_t t1, t2, delta;
+ s64 ds;
+ struct mlx5_cmd_stats *stats;
+ unsigned long flags;
for (i = 0; i < (1 << cmd->log_sz); i++) {
if (test_bit(i, &vector)) {
@@ -1141,9 +1164,29 @@ void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, unsigned long vector)
}
free_ent(cmd, ent->idx);
if (ent->callback) {
+ t1 = timespec_to_ktime(ent->ts1);
+ t2 = timespec_to_ktime(ent->ts2);
+ delta = ktime_sub(t2, t1);
+ ds = ktime_to_ns(delta);
+ if (ent->op < ARRAY_SIZE(cmd->stats)) {
+ stats = &cmd->stats[ent->op];
+ spin_lock_irqsave(&stats->lock, flags);
+ stats->sum += ds;
+ ++stats->n;
+ spin_unlock_irqrestore(&stats->lock, flags);
+ }
+
callback = ent->callback;
context = ent->context;
err = ent->ret;
+ if (!err)
+ err = mlx5_copy_from_msg(ent->uout,
+ ent->out,
+ ent->uout_size);
+
+ mlx5_free_cmd_msg(dev, ent->out);
+ free_msg(dev, ent->in);
+
free_cmd(ent);
callback(err, context);
} else {
@@ -1160,7 +1203,8 @@ static int status_to_err(u8 status)
return status ? -1 : 0; /* TBD more meaningful codes */
}
-static struct mlx5_cmd_msg *alloc_msg(struct mlx5_core_dev *dev, int in_size)
+static struct mlx5_cmd_msg *alloc_msg(struct mlx5_core_dev *dev, int in_size,
+ gfp_t gfp)
{
struct mlx5_cmd_msg *msg = ERR_PTR(-ENOMEM);
struct mlx5_cmd *cmd = &dev->cmd;
@@ -1172,7 +1216,7 @@ static struct mlx5_cmd_msg *alloc_msg(struct mlx5_core_dev *dev, int in_size)
ent = &cmd->cache.med;
if (ent) {
- spin_lock(&ent->lock);
+ spin_lock_irq(&ent->lock);
if (!list_empty(&ent->head)) {
msg = list_entry(ent->head.next, typeof(*msg), list);
/* For cached lists, we must explicitly state what is
@@ -1181,43 +1225,34 @@ static struct mlx5_cmd_msg *alloc_msg(struct mlx5_core_dev *dev, int in_size)
msg->len = in_size;
list_del(&msg->list);
}
- spin_unlock(&ent->lock);
+ spin_unlock_irq(&ent->lock);
}
if (IS_ERR(msg))
- msg = mlx5_alloc_cmd_msg(dev, GFP_KERNEL, in_size);
+ msg = mlx5_alloc_cmd_msg(dev, gfp, in_size);
return msg;
}
-static void free_msg(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *msg)
-{
- if (msg->cache) {
- spin_lock(&msg->cache->lock);
- list_add_tail(&msg->list, &msg->cache->head);
- spin_unlock(&msg->cache->lock);
- } else {
- mlx5_free_cmd_msg(dev, msg);
- }
-}
-
static int is_manage_pages(struct mlx5_inbox_hdr *in)
{
return be16_to_cpu(in->opcode) == MLX5_CMD_OP_MANAGE_PAGES;
}
-int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
- int out_size)
+static int cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
+ int out_size, mlx5_cmd_cbk_t callback, void *context)
{
struct mlx5_cmd_msg *inb;
struct mlx5_cmd_msg *outb;
int pages_queue;
+ gfp_t gfp;
int err;
u8 status = 0;
pages_queue = is_manage_pages(in);
+ gfp = callback ? GFP_ATOMIC : GFP_KERNEL;
- inb = alloc_msg(dev, in_size);
+ inb = alloc_msg(dev, in_size, gfp);
if (IS_ERR(inb)) {
err = PTR_ERR(inb);
return err;
@@ -1229,13 +1264,14 @@ int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
goto out_in;
}
- outb = mlx5_alloc_cmd_msg(dev, GFP_KERNEL, out_size);
+ outb = mlx5_alloc_cmd_msg(dev, gfp, out_size);
if (IS_ERR(outb)) {
err = PTR_ERR(outb);
goto out_in;
}
- err = mlx5_cmd_invoke(dev, inb, outb, NULL, NULL, pages_queue, &status);
+ err = mlx5_cmd_invoke(dev, inb, outb, out, out_size, callback, context,
+ pages_queue, &status);
if (err)
goto out_out;
@@ -1248,14 +1284,30 @@ int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
err = mlx5_copy_from_msg(out, outb, out_size);
out_out:
- mlx5_free_cmd_msg(dev, outb);
+ if (!callback)
+ mlx5_free_cmd_msg(dev, outb);
out_in:
- free_msg(dev, inb);
+ if (!callback)
+ free_msg(dev, inb);
return err;
}
+
+int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
+ int out_size)
+{
+ return cmd_exec(dev, in, in_size, out, out_size, NULL, NULL);
+}
EXPORT_SYMBOL(mlx5_cmd_exec);
+int mlx5_cmd_exec_cb(struct mlx5_core_dev *dev, void *in, int in_size,
+ void *out, int out_size, mlx5_cmd_cbk_t callback,
+ void *context)
+{
+ return cmd_exec(dev, in, in_size, out, out_size, callback, context);
+}
+EXPORT_SYMBOL(mlx5_cmd_exec_cb);
+
static void destroy_msg_cache(struct mlx5_core_dev *dev)
{
struct mlx5_cmd *cmd = &dev->cmd;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c b/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c
index 9c7194b26ee2..80f6d127257a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c
@@ -154,10 +154,10 @@ static ssize_t average_read(struct file *filp, char __user *buf, size_t count,
return 0;
stats = filp->private_data;
- spin_lock(&stats->lock);
+ spin_lock_irq(&stats->lock);
if (stats->n)
field = div64_u64(stats->sum, stats->n);
- spin_unlock(&stats->lock);
+ spin_unlock_irq(&stats->lock);
ret = snprintf(tbuf, sizeof(tbuf), "%llu\n", field);
if (ret > 0) {
if (copy_to_user(buf, tbuf, ret))
@@ -175,10 +175,10 @@ static ssize_t average_write(struct file *filp, const char __user *buf,
struct mlx5_cmd_stats *stats;
stats = filp->private_data;
- spin_lock(&stats->lock);
+ spin_lock_irq(&stats->lock);
stats->sum = 0;
stats->n = 0;
- spin_unlock(&stats->lock);
+ spin_unlock_irq(&stats->lock);
*pos += count;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/mr.c b/drivers/net/ethernet/mellanox/mlx5/core/mr.c
index 5b44e2e46daf..35e514dc7b7d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/mr.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/mr.c
@@ -37,31 +37,41 @@
#include "mlx5_core.h"
int mlx5_core_create_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr,
- struct mlx5_create_mkey_mbox_in *in, int inlen)
+ struct mlx5_create_mkey_mbox_in *in, int inlen,
+ mlx5_cmd_cbk_t callback, void *context,
+ struct mlx5_create_mkey_mbox_out *out)
{
- struct mlx5_create_mkey_mbox_out out;
+ struct mlx5_create_mkey_mbox_out lout;
int err;
u8 key;
- memset(&out, 0, sizeof(out));
- spin_lock(&dev->priv.mkey_lock);
+ memset(&lout, 0, sizeof(lout));
+ spin_lock_irq(&dev->priv.mkey_lock);
key = dev->priv.mkey_key++;
- spin_unlock(&dev->priv.mkey_lock);
+ spin_unlock_irq(&dev->priv.mkey_lock);
in->seg.qpn_mkey7_0 |= cpu_to_be32(key);
in->hdr.opcode = cpu_to_be16(MLX5_CMD_OP_CREATE_MKEY);
- err = mlx5_cmd_exec(dev, in, inlen, &out, sizeof(out));
+ if (callback) {
+ err = mlx5_cmd_exec_cb(dev, in, inlen, out, sizeof(*out),
+ callback, context);
+ return err;
+ } else {
+ err = mlx5_cmd_exec(dev, in, inlen, &lout, sizeof(lout));
+ }
+
if (err) {
mlx5_core_dbg(dev, "cmd exec faile %d\n", err);
return err;
}
- if (out.hdr.status) {
- mlx5_core_dbg(dev, "status %d\n", out.hdr.status);
- return mlx5_cmd_status_to_err(&out.hdr);
+ if (lout.hdr.status) {
+ mlx5_core_dbg(dev, "status %d\n", lout.hdr.status);
+ return mlx5_cmd_status_to_err(&lout.hdr);
}
- mr->key = mlx5_idx_to_mkey(be32_to_cpu(out.mkey) & 0xffffff) | key;
- mlx5_core_dbg(dev, "out 0x%x, key 0x%x, mkey 0x%x\n", be32_to_cpu(out.mkey), key, mr->key);
+ mr->key = mlx5_idx_to_mkey(be32_to_cpu(lout.mkey) & 0xffffff) | key;
+ mlx5_core_dbg(dev, "out 0x%x, key 0x%x, mkey 0x%x\n",
+ be32_to_cpu(lout.mkey), key, mr->key);
return err;
}
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 6b8c496572c8..513619a75695 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -557,9 +557,11 @@ typedef void (*mlx5_cmd_cbk_t)(int status, void *context);
struct mlx5_cmd_work_ent {
struct mlx5_cmd_msg *in;
struct mlx5_cmd_msg *out;
+ void *uout;
+ int uout_size;
mlx5_cmd_cbk_t callback;
void *context;
- int idx;
+ int idx;
struct completion done;
struct mlx5_cmd *cmd;
struct work_struct work;
@@ -570,6 +572,7 @@ struct mlx5_cmd_work_ent {
u8 token;
struct timespec ts1;
struct timespec ts2;
+ u16 op;
};
struct mlx5_pas {
@@ -653,6 +656,9 @@ void mlx5_cmd_use_polling(struct mlx5_core_dev *dev);
int mlx5_cmd_status_to_err(struct mlx5_outbox_hdr *hdr);
int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
int out_size);
+int mlx5_cmd_exec_cb(struct mlx5_core_dev *dev, void *in, int in_size,
+ void *out, int out_size, mlx5_cmd_cbk_t callback,
+ void *context);
int mlx5_cmd_alloc_uar(struct mlx5_core_dev *dev, u32 *uarn);
int mlx5_cmd_free_uar(struct mlx5_core_dev *dev, u32 uarn);
int mlx5_alloc_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari);
@@ -676,7 +682,9 @@ int mlx5_core_query_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
int mlx5_core_arm_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
u16 lwm, int is_srq);
int mlx5_core_create_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr,
- struct mlx5_create_mkey_mbox_in *in, int inlen);
+ struct mlx5_create_mkey_mbox_in *in, int inlen,
+ mlx5_cmd_cbk_t callback, void *context,
+ struct mlx5_create_mkey_mbox_out *out);
int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr);
int mlx5_core_query_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr,
struct mlx5_query_mkey_mbox_out *out, int outlen);
@@ -745,6 +753,11 @@ static inline u32 mlx5_idx_to_mkey(u32 mkey_idx)
return mkey_idx << 8;
}
+static inline u8 mlx5_mkey_variant(u32 mkey)
+{
+ return mkey & 0xff;
+}
+
enum {
MLX5_PROF_MASK_QP_SIZE = (u64)1 << 0,
MLX5_PROF_MASK_MR_CACHE = (u64)1 << 1,
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