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-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/cmd.c20
-rw-r--r--include/linux/mlx5/driver.h6
2 files changed, 23 insertions, 3 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
index 84838c2f528f..c3e54b7e8780 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
@@ -254,6 +254,10 @@ static void dump_buf(void *buf, int size, int data_only, int offset)
pr_debug("\n");
}
+enum {
+ MLX5_DRIVER_STATUS_ABORTED = 0xfe,
+};
+
const char *mlx5_command_str(int command)
{
switch (command) {
@@ -473,6 +477,7 @@ static void cmd_work_handler(struct work_struct *work)
struct mlx5_core_dev *dev = container_of(cmd, struct mlx5_core_dev, cmd);
struct mlx5_cmd_layout *lay;
struct semaphore *sem;
+ unsigned long flags;
sem = ent->page_queue ? &cmd->pages_sem : &cmd->sem;
down(sem);
@@ -485,6 +490,9 @@ static void cmd_work_handler(struct work_struct *work)
}
} else {
ent->idx = cmd->max_reg_cmds;
+ spin_lock_irqsave(&cmd->alloc_lock, flags);
+ clear_bit(ent->idx, &cmd->bitmask);
+ spin_unlock_irqrestore(&cmd->alloc_lock, flags);
}
ent->token = alloc_token(cmd);
@@ -1081,7 +1089,7 @@ static void free_msg(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *msg)
}
}
-void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, unsigned long vector)
+void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec)
{
struct mlx5_cmd *cmd = &dev->cmd;
struct mlx5_cmd_work_ent *ent;
@@ -1092,7 +1100,10 @@ void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, unsigned long vector)
s64 ds;
struct mlx5_cmd_stats *stats;
unsigned long flags;
+ unsigned long vector;
+ /* there can be at most 32 command queues */
+ vector = vec & 0xffffffff;
for (i = 0; i < (1 << cmd->log_sz); i++) {
if (test_bit(i, &vector)) {
struct semaphore *sem;
@@ -1110,11 +1121,16 @@ void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, unsigned long vector)
ent->ret = verify_signature(ent);
else
ent->ret = 0;
- ent->status = ent->lay->status_own >> 1;
+ if (vec & MLX5_TRIGGERED_CMD_COMP)
+ ent->status = MLX5_DRIVER_STATUS_ABORTED;
+ else
+ ent->status = ent->lay->status_own >> 1;
+
mlx5_core_dbg(dev, "command completed. ret 0x%x, delivery status %s(0x%x)\n",
ent->ret, deliv_status_to_str(ent->status), ent->status);
}
free_ent(cmd, ent->idx);
+
if (ent->callback) {
ds = ent->ts2 - ent->ts1;
if (ent->op < ARRAY_SIZE(cmd->stats)) {
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 8b6d6f2154a4..aa899559eec0 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -731,7 +731,7 @@ void mlx5_eq_pagefault(struct mlx5_core_dev *dev, struct mlx5_eqe *eqe);
#endif
void mlx5_srq_event(struct mlx5_core_dev *dev, u32 srqn, int event_type);
struct mlx5_core_srq *mlx5_core_get_srq(struct mlx5_core_dev *dev, u32 srqn);
-void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, unsigned long vector);
+void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec);
void mlx5_cq_event(struct mlx5_core_dev *dev, u32 cqn, int event_type);
int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx,
int nent, u64 mask, const char *name, struct mlx5_uar *uar);
@@ -865,4 +865,8 @@ static inline int mlx5_get_gid_table_len(u16 param)
return 8 * (1 << param);
}
+enum {
+ MLX5_TRIGGERED_CMD_COMP = (u64)1 << 32,
+};
+
#endif /* MLX5_DRIVER_H */