core/lib/hv_vhca.c

34 	void (*control)(struct mlx5_hv_vhca_agent *agent,
36 	void (*invalidate)(struct mlx5_hv_vhca_agent *agent,
38 	void (*cleanup)(struct mlx5_hv_vhca_agent *agent);
81 		struct mlx5_hv_vhca_agent *agent = hv_vhca->agents[i];
83 		if (!agent || !agent->invalidate)
86 		if (!(BIT(agent->type) & hwork->block_mask))
89 		agent->invalidate(agent, hwork->block_mask);
120 		struct mlx5_hv_vhca_agent *agent = hv_vhca->agents[i];
122 		if (!agent || !agent->control)
125 		if (!(AGENT_MASK(agent->type) & block->control))
128 		agent->control(agent, block);
138 		struct mlx5_hv_vhca_agent *agent = hv_vhca->agents[i];
140 		if (agent)
141 			*capabilities |= AGENT_MASK(agent->type);
146 mlx5_hv_vhca_control_agent_invalidate(struct mlx5_hv_vhca_agent *agent,
149 	struct mlx5_hv_vhca *hv_vhca = agent->hv_vhca;
196 static void mlx5_hv_vhca_control_agent_destroy(struct mlx5_hv_vhca_agent *agent)
198 	mlx5_hv_vhca_agent_destroy(agent);
203 	struct mlx5_hv_vhca_agent *agent;
214 	agent = mlx5_hv_vhca_control_agent_create(hv_vhca);
215 	if (IS_ERR_OR_NULL(agent)) {
217 		return IS_ERR_OR_NULL(agent);
220 	hv_vhca->agents[MLX5_HV_VHCA_AGENT_CONTROL] = agent;
227 	struct mlx5_hv_vhca_agent *agent;
233 	agent = hv_vhca->agents[MLX5_HV_VHCA_AGENT_CONTROL];
234 	if (agent)
235 		mlx5_hv_vhca_control_agent_destroy(agent);
258 			  void (*cleaup)(struct mlx5_hv_vhca_agent *agent),
261 	struct mlx5_hv_vhca_agent *agent;
276 	agent = kzalloc(sizeof(*agent), GFP_KERNEL);
277 	if (!agent)
280 	agent->type      = type;
281 	agent->hv_vhca   = hv_vhca;
282 	agent->priv      = priv;
283 	agent->control   = control;
284 	agent->invalidate = invalidate;
285 	agent->cleanup   = cleaup;
288 	hv_vhca->agents[type] = agent;
293 	return agent;
296 void mlx5_hv_vhca_agent_destroy(struct mlx5_hv_vhca_agent *agent)
298 	struct mlx5_hv_vhca *hv_vhca = agent->hv_vhca;
302 	if (WARN_ON(agent != hv_vhca->agents[agent->type])) {
307 	hv_vhca->agents[agent->type] = NULL;
310 	if (agent->cleanup)
311 		agent->cleanup(agent);
313 	kfree(agent);
318 static int mlx5_hv_vhca_data_block_prepare(struct mlx5_hv_vhca_agent *agent,
324 	data_block->sequence = agent->seq;
331 static void mlx5_hv_vhca_agent_seq_update(struct mlx5_hv_vhca_agent *agent)
333 	agent->seq++;
336 int mlx5_hv_vhca_agent_write(struct mlx5_hv_vhca_agent *agent,
339 	int offset = agent->type * HV_CONFIG_BLOCK_SIZE_MAX;
348 		bytes = mlx5_hv_vhca_data_block_prepare(agent, &data_block,
354 		err = mlx5_hv_write_config(agent->hv_vhca->dev, &data_block,
363 	mlx5_hv_vhca_agent_seq_update(agent);
368 void *mlx5_hv_vhca_agent_priv(struct mlx5_hv_vhca_agent *agent)
370 	return agent->priv;