/* SPDX-License-Identifier: GPL-2.0 */ /* Copyright(c) 2013 - 2018 Intel Corporation. */ #ifndef _I40E_HMC_H_ #define _I40E_HMC_H_ #include "i40e_alloc.h" #include "i40e_io.h" #include "i40e_register.h" #define I40E_HMC_MAX_BP_COUNT … /* forward-declare the HW struct for the compiler */ struct i40e_hw; #define I40E_HMC_INFO_SIGNATURE … #define I40E_HMC_PD_CNT_IN_SD … #define I40E_HMC_DIRECT_BP_SIZE … #define I40E_HMC_PAGED_BP_SIZE … #define I40E_HMC_PD_BP_BUF_ALIGNMENT … struct i40e_hmc_obj_info { … }; enum i40e_sd_entry_type { … }; struct i40e_hmc_bp { … }; struct i40e_hmc_pd_entry { … }; struct i40e_hmc_pd_table { … }; struct i40e_hmc_sd_entry { … }; struct i40e_hmc_sd_table { … }; struct i40e_hmc_info { … }; #define I40E_INC_SD_REFCNT(sd_table) … #define I40E_INC_PD_REFCNT(pd_table) … #define I40E_INC_BP_REFCNT(bp) … #define I40E_DEC_SD_REFCNT(sd_table) … #define I40E_DEC_PD_REFCNT(pd_table) … #define I40E_DEC_BP_REFCNT(bp) … /** * I40E_SET_PF_SD_ENTRY - marks the sd entry as valid in the hardware * @hw: pointer to our hw struct * @pa: pointer to physical address * @sd_index: segment descriptor index * @type: if sd entry is direct or paged **/ #define I40E_SET_PF_SD_ENTRY(hw, pa, sd_index, type) … /** * I40E_CLEAR_PF_SD_ENTRY - marks the sd entry as invalid in the hardware * @hw: pointer to our hw struct * @sd_index: segment descriptor index * @type: if sd entry is direct or paged **/ #define I40E_CLEAR_PF_SD_ENTRY(hw, sd_index, type) … /** * I40E_INVALIDATE_PF_HMC_PD - Invalidates the pd cache in the hardware * @hw: pointer to our hw struct * @sd_idx: segment descriptor index * @pd_idx: page descriptor index **/ #define I40E_INVALIDATE_PF_HMC_PD(hw, sd_idx, pd_idx) … /** * I40E_FIND_SD_INDEX_LIMIT - finds segment descriptor index limit * @hmc_info: pointer to the HMC configuration information structure * @type: type of HMC resources we're searching * @index: starting index for the object * @cnt: number of objects we're trying to create * @sd_idx: pointer to return index of the segment descriptor in question * @sd_limit: pointer to return the maximum number of segment descriptors * * This function calculates the segment descriptor index and index limit * for the resource defined by i40e_hmc_rsrc_type. **/ #define I40E_FIND_SD_INDEX_LIMIT(hmc_info, type, index, cnt, sd_idx, sd_limit) … /** * I40E_FIND_PD_INDEX_LIMIT - finds page descriptor index limit * @hmc_info: pointer to the HMC configuration information struct * @type: HMC resource type we're examining * @idx: starting index for the object * @cnt: number of objects we're trying to create * @pd_index: pointer to return page descriptor index * @pd_limit: pointer to return page descriptor index limit * * Calculates the page descriptor index and index limit for the resource * defined by i40e_hmc_rsrc_type. **/ #define I40E_FIND_PD_INDEX_LIMIT(hmc_info, type, idx, cnt, pd_index, pd_limit) … int i40e_add_sd_table_entry(struct i40e_hw *hw, struct i40e_hmc_info *hmc_info, u32 sd_index, enum i40e_sd_entry_type type, u64 direct_mode_sz); int i40e_add_pd_table_entry(struct i40e_hw *hw, struct i40e_hmc_info *hmc_info, u32 pd_index, struct i40e_dma_mem *rsrc_pg); int i40e_remove_pd_bp(struct i40e_hw *hw, struct i40e_hmc_info *hmc_info, u32 idx); int i40e_prep_remove_sd_bp(struct i40e_hmc_info *hmc_info, u32 idx); int i40e_remove_sd_bp_new(struct i40e_hw *hw, struct i40e_hmc_info *hmc_info, u32 idx, bool is_pf); int i40e_prep_remove_pd_page(struct i40e_hmc_info *hmc_info, u32 idx); int i40e_remove_pd_page_new(struct i40e_hw *hw, struct i40e_hmc_info *hmc_info, u32 idx, bool is_pf); #endif /* _I40E_HMC_H_ */
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