示例#1
0
/**
 * i40e_remove_pd_page - Remove a page from the page descriptor table
 * @hw: pointer to the HW structure
 * @hmc_info: pointer to the HMC configuration information structure
 * @idx: segment descriptor index to find the relevant page descriptor
 *
 * This function:
 *	1. Marks the entry in pd table (for paged address mode) invalid
 *	2. write to register PMPDINV to invalidate the backing page in FV cache
 *	3. Decrement the ref count for  pd_entry
 * assumptions:
 *	1. caller can deallocate the memory used by pd after this function
 *	   returns.
 **/
STATIC enum i40e_status_code i40e_remove_pd_page(struct i40e_hw *hw,
        struct i40e_hmc_info *hmc_info,
        u32 idx)
{
    enum i40e_status_code ret_code = I40E_SUCCESS;

    if (i40e_prep_remove_pd_page(hmc_info, idx) == I40E_SUCCESS)
        ret_code = i40e_remove_pd_page_new(hw, hmc_info, idx, true);

    return ret_code;
}
示例#2
0
/**
 * i40e_remove_pd_page - Remove a page from the page descriptor table
 * @hw: pointer to the HW structure
 * @hmc_info: pointer to the HMC configuration information structure
 * @idx: segment descriptor index to find the relevant page descriptor
 *
 * This function:
 *	1. Marks the entry in pd table (for paged address mode) invalid
 *	2. write to register PMPDINV to invalidate the backing page in FV cache
 *	3. Decrement the ref count for  pd_entry
 * assumptions:
 *	1. caller can deallocate the memory used by pd after this function
 *	   returns.
 **/
static i40e_status i40e_remove_pd_page(struct i40e_hw *hw,
						 struct i40e_hmc_info *hmc_info,
						 u32 idx)
{
	i40e_status ret_code = 0;

	if (!i40e_prep_remove_pd_page(hmc_info, idx))
		ret_code = i40e_remove_pd_page_new(hw, hmc_info, idx, true);

	return ret_code;
}