/**
* 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;
}
/**
* 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;
}