int ret;
spin_lock_irqsave(&cmd->alloc_lock, flags);
- ret = find_first_bit(&cmd->bitmask, cmd->max_reg_cmds);
- if (ret < cmd->max_reg_cmds)
- clear_bit(ret, &cmd->bitmask);
+ ret = find_first_bit(&cmd->vars.bitmask, cmd->vars.max_reg_cmds);
+ if (ret < cmd->vars.max_reg_cmds)
+ clear_bit(ret, &cmd->vars.bitmask);
spin_unlock_irqrestore(&cmd->alloc_lock, flags);
- return ret < cmd->max_reg_cmds ? ret : -ENOMEM;
+ return ret < cmd->vars.max_reg_cmds ? ret : -ENOMEM;
}
static void cmd_free_index(struct mlx5_cmd *cmd, int idx)
{
lockdep_assert_held(&cmd->alloc_lock);
- set_bit(idx, &cmd->bitmask);
+ set_bit(idx, &cmd->vars.bitmask);
}
static void cmd_ent_get(struct mlx5_cmd_work_ent *ent)
if (ent->idx >= 0) {
cmd_free_index(cmd, ent->idx);
- up(ent->page_queue ? &cmd->pages_sem : &cmd->sem);
+ up(ent->page_queue ? &cmd->vars.pages_sem : &cmd->vars.sem);
}
cmd_free_ent(ent);
static struct mlx5_cmd_layout *get_inst(struct mlx5_cmd *cmd, int idx)
{
- return cmd->cmd_buf + (idx << cmd->log_stride);
+ return cmd->cmd_buf + (idx << cmd->vars.log_stride);
}
static int mlx5_calc_cmd_blocks(struct mlx5_cmd_msg *msg)
cb_timeout = msecs_to_jiffies(mlx5_tout_ms(dev, CMD));
complete(&ent->handling);
- sem = ent->page_queue ? &cmd->pages_sem : &cmd->sem;
+ sem = ent->page_queue ? &cmd->vars.pages_sem : &cmd->vars.sem;
down(sem);
if (!ent->page_queue) {
alloc_ret = cmd_alloc_index(cmd);
}
ent->idx = alloc_ret;
} else {
- ent->idx = cmd->max_reg_cmds;
+ ent->idx = cmd->vars.max_reg_cmds;
spin_lock_irqsave(&cmd->alloc_lock, flags);
- clear_bit(ent->idx, &cmd->bitmask);
+ clear_bit(ent->idx, &cmd->vars.bitmask);
spin_unlock_irqrestore(&cmd->alloc_lock, flags);
}
struct mlx5_cmd *cmd = &dev->cmd;
int i;
- for (i = 0; i < cmd->max_reg_cmds; i++)
- down(&cmd->sem);
- down(&cmd->pages_sem);
+ for (i = 0; i < cmd->vars.max_reg_cmds; i++)
+ down(&cmd->vars.sem);
+ down(&cmd->vars.pages_sem);
cmd->allowed_opcode = opcode;
- up(&cmd->pages_sem);
- for (i = 0; i < cmd->max_reg_cmds; i++)
- up(&cmd->sem);
+ up(&cmd->vars.pages_sem);
+ for (i = 0; i < cmd->vars.max_reg_cmds; i++)
+ up(&cmd->vars.sem);
}
static void mlx5_cmd_change_mod(struct mlx5_core_dev *dev, int mode)
struct mlx5_cmd *cmd = &dev->cmd;
int i;
- for (i = 0; i < cmd->max_reg_cmds; i++)
- down(&cmd->sem);
- down(&cmd->pages_sem);
+ for (i = 0; i < cmd->vars.max_reg_cmds; i++)
+ down(&cmd->vars.sem);
+ down(&cmd->vars.pages_sem);
cmd->mode = mode;
- up(&cmd->pages_sem);
- for (i = 0; i < cmd->max_reg_cmds; i++)
- up(&cmd->sem);
+ up(&cmd->vars.pages_sem);
+ for (i = 0; i < cmd->vars.max_reg_cmds; i++)
+ up(&cmd->vars.sem);
}
static int cmd_comp_notifier(struct notifier_block *nb,
/* there can be at most 32 command queues */
vector = vec & 0xffffffff;
- for (i = 0; i < (1 << cmd->log_sz); i++) {
+ for (i = 0; i < (1 << cmd->vars.log_sz); i++) {
if (test_bit(i, &vector)) {
ent = cmd->ent_arr[i];
/* wait for pending handlers to complete */
mlx5_eq_synchronize_cmd_irq(dev);
spin_lock_irqsave(&dev->cmd.alloc_lock, flags);
- vector = ~dev->cmd.bitmask & ((1ul << (1 << dev->cmd.log_sz)) - 1);
+ vector = ~dev->cmd.vars.bitmask & ((1ul << (1 << dev->cmd.vars.log_sz)) - 1);
if (!vector)
goto no_trig;
* to guarantee pending commands will not get freed in the meanwhile.
* For that reason, it also has to be done inside the alloc_lock.
*/
- for_each_set_bit(i, &bitmask, (1 << cmd->log_sz))
+ for_each_set_bit(i, &bitmask, (1 << cmd->vars.log_sz))
cmd_ent_get(cmd->ent_arr[i]);
vector |= MLX5_TRIGGERED_CMD_COMP;
spin_unlock_irqrestore(&dev->cmd.alloc_lock, flags);
mlx5_core_dbg(dev, "vector 0x%llx\n", vector);
mlx5_cmd_comp_handler(dev, vector, true);
- for_each_set_bit(i, &bitmask, (1 << cmd->log_sz))
+ for_each_set_bit(i, &bitmask, (1 << cmd->vars.log_sz))
cmd_ent_put(cmd->ent_arr[i]);
return;
struct mlx5_cmd *cmd = &dev->cmd;
int i;
- for (i = 0; i < cmd->max_reg_cmds; i++) {
- while (down_trylock(&cmd->sem)) {
+ for (i = 0; i < cmd->vars.max_reg_cmds; i++) {
+ while (down_trylock(&cmd->vars.sem)) {
mlx5_cmd_trigger_completions(dev);
cond_resched();
}
}
- while (down_trylock(&cmd->pages_sem)) {
+ while (down_trylock(&cmd->vars.pages_sem)) {
mlx5_cmd_trigger_completions(dev);
cond_resched();
}
/* Unlock cmdif */
- up(&cmd->pages_sem);
- for (i = 0; i < cmd->max_reg_cmds; i++)
- up(&cmd->sem);
+ up(&cmd->vars.pages_sem);
+ for (i = 0; i < cmd->vars.max_reg_cmds; i++)
+ up(&cmd->vars.sem);
}
static struct mlx5_cmd_msg *alloc_msg(struct mlx5_core_dev *dev, int in_size,
/* atomic context may not sleep */
if (callback)
return -EINVAL;
- down(&dev->cmd.throttle_sem);
+ down(&dev->cmd.vars.throttle_sem);
}
pages_queue = is_manage_pages(in);
free_msg(dev, inb);
out_up:
if (throttle_op)
- up(&dev->cmd.throttle_sem);
+ up(&dev->cmd.vars.throttle_sem);
return err;
}
goto err_free_pool;
cmd_l = ioread32be(&dev->iseg->cmdq_addr_l_sz) & 0xff;
- cmd->log_sz = cmd_l >> 4 & 0xf;
- cmd->log_stride = cmd_l & 0xf;
- if (1 << cmd->log_sz > MLX5_MAX_COMMANDS) {
+ cmd->vars.log_sz = cmd_l >> 4 & 0xf;
+ cmd->vars.log_stride = cmd_l & 0xf;
+ if (1 << cmd->vars.log_sz > MLX5_MAX_COMMANDS) {
mlx5_core_err(dev, "firmware reports too many outstanding commands %d\n",
- 1 << cmd->log_sz);
+ 1 << cmd->vars.log_sz);
err = -EINVAL;
goto err_free_page;
}
- if (cmd->log_sz + cmd->log_stride > MLX5_ADAPTER_PAGE_SHIFT) {
+ if (cmd->vars.log_sz + cmd->vars.log_stride > MLX5_ADAPTER_PAGE_SHIFT) {
mlx5_core_err(dev, "command queue size overflow\n");
err = -EINVAL;
goto err_free_page;
cmd->state = MLX5_CMDIF_STATE_DOWN;
cmd->checksum_disabled = 1;
- cmd->max_reg_cmds = (1 << cmd->log_sz) - 1;
- cmd->bitmask = (1UL << cmd->max_reg_cmds) - 1;
+ cmd->vars.max_reg_cmds = (1 << cmd->vars.log_sz) - 1;
+ cmd->vars.bitmask = (1UL << cmd->vars.max_reg_cmds) - 1;
- cmd->cmdif_rev = ioread32be(&dev->iseg->cmdif_rev_fw_sub) >> 16;
- if (cmd->cmdif_rev > CMD_IF_REV) {
+ cmd->vars.cmdif_rev = ioread32be(&dev->iseg->cmdif_rev_fw_sub) >> 16;
+ if (cmd->vars.cmdif_rev > CMD_IF_REV) {
mlx5_core_err(dev, "driver does not support command interface version. driver %d, firmware %d\n",
- CMD_IF_REV, cmd->cmdif_rev);
+ CMD_IF_REV, cmd->vars.cmdif_rev);
err = -EOPNOTSUPP;
goto err_free_page;
}
for (i = 0; i < MLX5_CMD_OP_MAX; i++)
spin_lock_init(&cmd->stats[i].lock);
- sema_init(&cmd->sem, cmd->max_reg_cmds);
- sema_init(&cmd->pages_sem, 1);
- sema_init(&cmd->throttle_sem, DIV_ROUND_UP(cmd->max_reg_cmds, 2));
+ sema_init(&cmd->vars.sem, cmd->vars.max_reg_cmds);
+ sema_init(&cmd->vars.pages_sem, 1);
+ sema_init(&cmd->vars.throttle_sem, DIV_ROUND_UP(cmd->vars.max_reg_cmds, 2));
cmd_h = (u32)((u64)(cmd->dma) >> 32);
cmd_l = (u32)(cmd->dma);