>> Add msg chan enable implementation to support
>> send msg to get infos.
> Would be interesting to explain which module is receiving the message.
Send messages to the backend (device side) to obtain information.
> I am curious about the spinlock function below.
> What is it doing exactly?
>> +static int32_t zxdh_spinlock_lock(uint32_t virt_lock_id, uint64_t virt_addr,
>> + uint64_t label_addr, uint16_t
>> primary_id)
>> +{
>> + uint32_t lock_rd_cnt = 0;
>> +
>> + do {
>> + /* read to lock */
>> + uint8_t spl_val = spinklock_read(virt_addr, virt_lock_id);
Using locks to ensure message consistency when accessing backend information
for multiple pf/vf.
