/**
* i40e_remove_sd_bp - remove a backing page from a segment descriptor
* @hw: pointer to our HW structure
* @hmc_info: pointer to the HMC configuration information structure
* @idx: the page index
*
* This function:
* 1. Marks the entry in sd table (for direct address mode) invalid
* 2. write to register PMSDCMD, PMSDDATALOW(PMSDDATALOW.PMSDVALID set
* to 0) and PMSDDATAHIGH to invalidate the sd page
* 3. Decrement the ref count for the sd_entry
* assumptions:
* 1. caller can deallocate the memory used by backing storage after this
* function returns.
**/
STATIC enum i40e_status_code i40e_remove_sd_bp(struct i40e_hw *hw,
struct i40e_hmc_info *hmc_info,
u32 idx)
{
enum i40e_status_code ret_code = I40E_SUCCESS;
if (i40e_prep_remove_sd_bp(hmc_info, idx) == I40E_SUCCESS)
ret_code = i40e_remove_sd_bp_new(hw, hmc_info, idx, true);
return ret_code;
}
/**
* i40e_remove_sd_bp - remove a backing page from a segment descriptor
* @hw: pointer to our HW structure
* @hmc_info: pointer to the HMC configuration information structure
* @idx: the page index
*
* This function:
* 1. Marks the entry in sd table (for direct address mode) invalid
* 2. write to register PMSDCMD, PMSDDATALOW(PMSDDATALOW.PMSDVALID set
* to 0) and PMSDDATAHIGH to invalidate the sd page
* 3. Decrement the ref count for the sd_entry
* assumptions:
* 1. caller can deallocate the memory used by backing storage after this
* function returns.
**/
static i40e_status i40e_remove_sd_bp(struct i40e_hw *hw,
struct i40e_hmc_info *hmc_info,
u32 idx)
{
i40e_status ret_code = 0;
if (!i40e_prep_remove_sd_bp(hmc_info, idx))
ret_code = i40e_remove_sd_bp_new(hw, hmc_info, idx, true);
return ret_code;
}
