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Diffstat (limited to 'drivers/infiniband/hw/i40iw/i40iw_pble.c')
-rw-r--r--drivers/infiniband/hw/i40iw/i40iw_pble.c611
1 files changed, 0 insertions, 611 deletions
diff --git a/drivers/infiniband/hw/i40iw/i40iw_pble.c b/drivers/infiniband/hw/i40iw/i40iw_pble.c
deleted file mode 100644
index 146a4148219b..000000000000
--- a/drivers/infiniband/hw/i40iw/i40iw_pble.c
+++ /dev/null
@@ -1,611 +0,0 @@
-/*******************************************************************************
-*
-* Copyright (c) 2015-2016 Intel Corporation.  All rights reserved.
-*
-* This software is available to you under a choice of one of two
-* licenses.  You may choose to be licensed under the terms of the GNU
-* General Public License (GPL) Version 2, available from the file
-* COPYING in the main directory of this source tree, or the
-* OpenFabrics.org BSD license below:
-*
-*   Redistribution and use in source and binary forms, with or
-*   without modification, are permitted provided that the following
-*   conditions are met:
-*
-*    - Redistributions of source code must retain the above
-*	copyright notice, this list of conditions and the following
-*	disclaimer.
-*
-*    - Redistributions in binary form must reproduce the above
-*	copyright notice, this list of conditions and the following
-*	disclaimer in the documentation and/or other materials
-*	provided with the distribution.
-*
-* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
-* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
-* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-* SOFTWARE.
-*
-*******************************************************************************/
-
-#include "i40iw_status.h"
-#include "i40iw_osdep.h"
-#include "i40iw_register.h"
-#include "i40iw_hmc.h"
-
-#include "i40iw_d.h"
-#include "i40iw_type.h"
-#include "i40iw_p.h"
-
-#include <linux/pci.h>
-#include <linux/genalloc.h>
-#include <linux/vmalloc.h>
-#include "i40iw_pble.h"
-#include "i40iw.h"
-
-struct i40iw_device;
-static enum i40iw_status_code add_pble_pool(struct i40iw_sc_dev *dev,
-					    struct i40iw_hmc_pble_rsrc *pble_rsrc);
-static void i40iw_free_vmalloc_mem(struct i40iw_hw *hw, struct i40iw_chunk *chunk);
-
-/**
- * i40iw_destroy_pble_pool - destroy pool during module unload
- * @dev: i40iw_sc_dev struct
- * @pble_rsrc:	pble resources
- */
-void i40iw_destroy_pble_pool(struct i40iw_sc_dev *dev, struct i40iw_hmc_pble_rsrc *pble_rsrc)
-{
-	struct list_head *clist;
-	struct list_head *tlist;
-	struct i40iw_chunk *chunk;
-	struct i40iw_pble_pool *pinfo = &pble_rsrc->pinfo;
-
-	if (pinfo->pool) {
-		list_for_each_safe(clist, tlist, &pinfo->clist) {
-			chunk = list_entry(clist, struct i40iw_chunk, list);
-			if (chunk->type == I40IW_VMALLOC)
-				i40iw_free_vmalloc_mem(dev->hw, chunk);
-			kfree(chunk);
-		}
-		gen_pool_destroy(pinfo->pool);
-	}
-}
-
-/**
- * i40iw_hmc_init_pble - Initialize pble resources during module load
- * @dev: i40iw_sc_dev struct
- * @pble_rsrc:	pble resources
- */
-enum i40iw_status_code i40iw_hmc_init_pble(struct i40iw_sc_dev *dev,
-					   struct i40iw_hmc_pble_rsrc *pble_rsrc)
-{
-	struct i40iw_hmc_info *hmc_info;
-	u32 fpm_idx = 0;
-
-	hmc_info = dev->hmc_info;
-	pble_rsrc->fpm_base_addr = hmc_info->hmc_obj[I40IW_HMC_IW_PBLE].base;
-	/* Now start the pble' on 4k boundary */
-	if (pble_rsrc->fpm_base_addr & 0xfff)
-		fpm_idx = (PAGE_SIZE - (pble_rsrc->fpm_base_addr & 0xfff)) >> 3;
-
-	pble_rsrc->unallocated_pble =
-	    hmc_info->hmc_obj[I40IW_HMC_IW_PBLE].cnt - fpm_idx;
-	pble_rsrc->next_fpm_addr = pble_rsrc->fpm_base_addr + (fpm_idx << 3);
-
-	pble_rsrc->pinfo.pool_shift = POOL_SHIFT;
-	pble_rsrc->pinfo.pool = gen_pool_create(pble_rsrc->pinfo.pool_shift, -1);
-	INIT_LIST_HEAD(&pble_rsrc->pinfo.clist);
-	if (!pble_rsrc->pinfo.pool)
-		goto error;
-
-	if (add_pble_pool(dev, pble_rsrc))
-		goto error;
-
-	return 0;
-
- error:i40iw_destroy_pble_pool(dev, pble_rsrc);
-	return I40IW_ERR_NO_MEMORY;
-}
-
-/**
- * get_sd_pd_idx -  Returns sd index, pd index and rel_pd_idx from fpm address
- * @pble_rsrc:	structure containing fpm address
- * @idx: where to return indexes
- */
-static inline void get_sd_pd_idx(struct i40iw_hmc_pble_rsrc *pble_rsrc,
-				 struct sd_pd_idx *idx)
-{
-	idx->sd_idx = (u32)(pble_rsrc->next_fpm_addr) / I40IW_HMC_DIRECT_BP_SIZE;
-	idx->pd_idx = (u32)(pble_rsrc->next_fpm_addr) / I40IW_HMC_PAGED_BP_SIZE;
-	idx->rel_pd_idx = (idx->pd_idx % I40IW_HMC_PD_CNT_IN_SD);
-}
-
-/**
- * add_sd_direct - add sd direct for pble
- * @dev: hardware control device structure
- * @pble_rsrc: pble resource ptr
- * @info: page info for sd
- */
-static enum i40iw_status_code add_sd_direct(struct i40iw_sc_dev *dev,
-					    struct i40iw_hmc_pble_rsrc *pble_rsrc,
-					    struct i40iw_add_page_info *info)
-{
-	enum i40iw_status_code ret_code = 0;
-	struct sd_pd_idx *idx = &info->idx;
-	struct i40iw_chunk *chunk = info->chunk;
-	struct i40iw_hmc_info *hmc_info = info->hmc_info;
-	struct i40iw_hmc_sd_entry *sd_entry = info->sd_entry;
-	u32 offset = 0;
-
-	if (!sd_entry->valid) {
-		if (dev->is_pf) {
-			ret_code = i40iw_add_sd_table_entry(dev->hw, hmc_info,
-							    info->idx.sd_idx,
-							    I40IW_SD_TYPE_DIRECT,
-							    I40IW_HMC_DIRECT_BP_SIZE);
-			if (ret_code)
-				return ret_code;
-			chunk->type = I40IW_DMA_COHERENT;
-		}
-	}
-	offset = idx->rel_pd_idx << I40IW_HMC_PAGED_BP_SHIFT;
-	chunk->size = info->pages << I40IW_HMC_PAGED_BP_SHIFT;
-	chunk->vaddr = ((u8 *)sd_entry->u.bp.addr.va + offset);
-	chunk->fpm_addr = pble_rsrc->next_fpm_addr;
-	i40iw_debug(dev, I40IW_DEBUG_PBLE, "chunk_size[%d] = 0x%x vaddr=%p fpm_addr = %llx\n",
-		    chunk->size, chunk->size, chunk->vaddr, chunk->fpm_addr);
-	return 0;
-}
-
-/**
- * i40iw_free_vmalloc_mem - free vmalloc during close
- * @hw: hw struct
- * @chunk: chunk information for vmalloc
- */
-static void i40iw_free_vmalloc_mem(struct i40iw_hw *hw, struct i40iw_chunk *chunk)
-{
-	struct pci_dev *pcidev = hw->pcidev;
-	int i;
-
-	if (!chunk->pg_cnt)
-		goto done;
-	for (i = 0; i < chunk->pg_cnt; i++)
-		dma_unmap_page(&pcidev->dev, chunk->dmaaddrs[i], PAGE_SIZE, DMA_BIDIRECTIONAL);
-
- done:
-	kfree(chunk->dmaaddrs);
-	chunk->dmaaddrs = NULL;
-	vfree(chunk->vaddr);
-	chunk->vaddr = NULL;
-	chunk->type = 0;
-}
-
-/**
- * i40iw_get_vmalloc_mem - get 2M page for sd
- * @hw: hardware address
- * @chunk: chunk to adf
- * @pg_cnt: #of 4 K pages
- */
-static enum i40iw_status_code i40iw_get_vmalloc_mem(struct i40iw_hw *hw,
-						    struct i40iw_chunk *chunk,
-						    int pg_cnt)
-{
-	struct pci_dev *pcidev = hw->pcidev;
-	struct page *page;
-	u8 *addr;
-	u32 size;
-	int i;
-
-	chunk->dmaaddrs = kzalloc(pg_cnt << 3, GFP_KERNEL);
-	if (!chunk->dmaaddrs)
-		return I40IW_ERR_NO_MEMORY;
-	size = PAGE_SIZE * pg_cnt;
-	chunk->vaddr = vmalloc(size);
-	if (!chunk->vaddr) {
-		kfree(chunk->dmaaddrs);
-		chunk->dmaaddrs = NULL;
-		return I40IW_ERR_NO_MEMORY;
-	}
-	chunk->size = size;
-	addr = (u8 *)chunk->vaddr;
-	for (i = 0; i < pg_cnt; i++) {
-		page = vmalloc_to_page((void *)addr);
-		if (!page)
-			break;
-		chunk->dmaaddrs[i] = dma_map_page(&pcidev->dev, page, 0,
-						  PAGE_SIZE, DMA_BIDIRECTIONAL);
-		if (dma_mapping_error(&pcidev->dev, chunk->dmaaddrs[i]))
-			break;
-		addr += PAGE_SIZE;
-	}
-
-	chunk->pg_cnt = i;
-	chunk->type = I40IW_VMALLOC;
-	if (i == pg_cnt)
-		return 0;
-
-	i40iw_free_vmalloc_mem(hw, chunk);
-	return I40IW_ERR_NO_MEMORY;
-}
-
-/**
- * fpm_to_idx - given fpm address, get pble index
- * @pble_rsrc: pble resource management
- * @addr: fpm address for index
- */
-static inline u32 fpm_to_idx(struct i40iw_hmc_pble_rsrc *pble_rsrc, u64 addr)
-{
-	return (addr - (pble_rsrc->fpm_base_addr)) >> 3;
-}
-
-/**
- * add_bp_pages - add backing pages for sd
- * @dev: hardware control device structure
- * @pble_rsrc: pble resource management
- * @info: page info for sd
- */
-static enum i40iw_status_code add_bp_pages(struct i40iw_sc_dev *dev,
-					   struct i40iw_hmc_pble_rsrc *pble_rsrc,
-					   struct i40iw_add_page_info *info)
-{
-	u8 *addr;
-	struct i40iw_dma_mem mem;
-	struct i40iw_hmc_pd_entry *pd_entry;
-	struct i40iw_hmc_sd_entry *sd_entry = info->sd_entry;
-	struct i40iw_hmc_info *hmc_info = info->hmc_info;
-	struct i40iw_chunk *chunk = info->chunk;
-	struct i40iw_manage_vf_pble_info vf_pble_info;
-	enum i40iw_status_code status = 0;
-	u32 rel_pd_idx = info->idx.rel_pd_idx;
-	u32 pd_idx = info->idx.pd_idx;
-	u32 i;
-
-	status = i40iw_get_vmalloc_mem(dev->hw, chunk, info->pages);
-	if (status)
-		return I40IW_ERR_NO_MEMORY;
-	status = i40iw_add_sd_table_entry(dev->hw, hmc_info,
-					  info->idx.sd_idx, I40IW_SD_TYPE_PAGED,
-					  I40IW_HMC_DIRECT_BP_SIZE);
-	if (status)
-		goto error;
-	if (!dev->is_pf) {
-		status = i40iw_vchnl_vf_add_hmc_objs(dev, I40IW_HMC_IW_PBLE,
-						     fpm_to_idx(pble_rsrc,
-								pble_rsrc->next_fpm_addr),
-						     (info->pages << PBLE_512_SHIFT));
-		if (status) {
-			i40iw_pr_err("allocate PBLEs in the PF.  Error %i\n", status);
-			goto error;
-		}
-	}
-	addr = chunk->vaddr;
-	for (i = 0; i < info->pages; i++) {
-		mem.pa = chunk->dmaaddrs[i];
-		mem.size = PAGE_SIZE;
-		mem.va = (void *)(addr);
-		pd_entry = &sd_entry->u.pd_table.pd_entry[rel_pd_idx++];
-		if (!pd_entry->valid) {
-			status = i40iw_add_pd_table_entry(dev->hw, hmc_info, pd_idx++, &mem);
-			if (status)
-				goto error;
-			addr += PAGE_SIZE;
-		} else {
-			i40iw_pr_err("pd entry is valid expecting to be invalid\n");
-		}
-	}
-	if (!dev->is_pf) {
-		vf_pble_info.first_pd_index = info->idx.rel_pd_idx;
-		vf_pble_info.inv_pd_ent = false;
-		vf_pble_info.pd_entry_cnt = PBLE_PER_PAGE;
-		vf_pble_info.pd_pl_pba = sd_entry->u.pd_table.pd_page_addr.pa;
-		vf_pble_info.sd_index = info->idx.sd_idx;
-		status = i40iw_hw_manage_vf_pble_bp(dev->back_dev,
-						    &vf_pble_info, true);
-		if (status) {
-			i40iw_pr_err("CQP manage VF PBLE BP failed.  %i\n", status);
-			goto error;
-		}
-	}
-	chunk->fpm_addr = pble_rsrc->next_fpm_addr;
-	return 0;
-error:
-	i40iw_free_vmalloc_mem(dev->hw, chunk);
-	return status;
-}
-
-/**
- * add_pble_pool - add a sd entry for pble resoure
- * @dev: hardware control device structure
- * @pble_rsrc: pble resource management
- */
-static enum i40iw_status_code add_pble_pool(struct i40iw_sc_dev *dev,
-					    struct i40iw_hmc_pble_rsrc *pble_rsrc)
-{
-	struct i40iw_hmc_sd_entry *sd_entry;
-	struct i40iw_hmc_info *hmc_info;
-	struct i40iw_chunk *chunk;
-	struct i40iw_add_page_info info;
-	struct sd_pd_idx *idx = &info.idx;
-	enum i40iw_status_code ret_code = 0;
-	enum i40iw_sd_entry_type sd_entry_type;
-	u64 sd_reg_val = 0;
-	u32 pages;
-
-	if (pble_rsrc->unallocated_pble < PBLE_PER_PAGE)
-		return I40IW_ERR_NO_MEMORY;
-	if (pble_rsrc->next_fpm_addr & 0xfff) {
-		i40iw_pr_err("next fpm_addr %llx\n", pble_rsrc->next_fpm_addr);
-		return I40IW_ERR_INVALID_PAGE_DESC_INDEX;
-	}
-	chunk = kzalloc(sizeof(*chunk), GFP_KERNEL);
-	if (!chunk)
-		return I40IW_ERR_NO_MEMORY;
-	hmc_info = dev->hmc_info;
-	chunk->fpm_addr = pble_rsrc->next_fpm_addr;
-	get_sd_pd_idx(pble_rsrc, idx);
-	sd_entry = &hmc_info->sd_table.sd_entry[idx->sd_idx];
-	pages = (idx->rel_pd_idx) ? (I40IW_HMC_PD_CNT_IN_SD -
-			idx->rel_pd_idx) : I40IW_HMC_PD_CNT_IN_SD;
-	pages = min(pages, pble_rsrc->unallocated_pble >> PBLE_512_SHIFT);
-	info.chunk = chunk;
-	info.hmc_info = hmc_info;
-	info.pages = pages;
-	info.sd_entry = sd_entry;
-	if (!sd_entry->valid) {
-		sd_entry_type = (!idx->rel_pd_idx &&
-				 (pages == I40IW_HMC_PD_CNT_IN_SD) &&
-				 dev->is_pf) ? I40IW_SD_TYPE_DIRECT : I40IW_SD_TYPE_PAGED;
-	} else {
-		sd_entry_type = sd_entry->entry_type;
-	}
-	i40iw_debug(dev, I40IW_DEBUG_PBLE,
-		    "pages = %d, unallocated_pble[%u] current_fpm_addr = %llx\n",
-		    pages, pble_rsrc->unallocated_pble, pble_rsrc->next_fpm_addr);
-	i40iw_debug(dev, I40IW_DEBUG_PBLE, "sd_entry_type = %d sd_entry valid = %d\n",
-		    sd_entry_type, sd_entry->valid);
-
-	if (sd_entry_type == I40IW_SD_TYPE_DIRECT)
-		ret_code = add_sd_direct(dev, pble_rsrc, &info);
-	if (ret_code)
-		sd_entry_type = I40IW_SD_TYPE_PAGED;
-	else
-		pble_rsrc->stats_direct_sds++;
-
-	if (sd_entry_type == I40IW_SD_TYPE_PAGED) {
-		ret_code = add_bp_pages(dev, pble_rsrc, &info);
-		if (ret_code)
-			goto error;
-		else
-			pble_rsrc->stats_paged_sds++;
-	}
-
-	if (gen_pool_add_virt(pble_rsrc->pinfo.pool, (unsigned long)chunk->vaddr,
-			      (phys_addr_t)chunk->fpm_addr, chunk->size, -1)) {
-		i40iw_pr_err("could not allocate memory by gen_pool_addr_virt()\n");
-		ret_code = I40IW_ERR_NO_MEMORY;
-		goto error;
-	}
-	pble_rsrc->next_fpm_addr += chunk->size;
-	i40iw_debug(dev, I40IW_DEBUG_PBLE, "next_fpm_addr = %llx chunk_size[%u] = 0x%x\n",
-		    pble_rsrc->next_fpm_addr, chunk->size, chunk->size);
-	pble_rsrc->unallocated_pble -= (chunk->size >> 3);
-	sd_reg_val = (sd_entry_type == I40IW_SD_TYPE_PAGED) ?
-			sd_entry->u.pd_table.pd_page_addr.pa : sd_entry->u.bp.addr.pa;
-	if (dev->is_pf && !sd_entry->valid) {
-		ret_code = i40iw_hmc_sd_one(dev, hmc_info->hmc_fn_id,
-					    sd_reg_val, idx->sd_idx,
-					    sd_entry->entry_type, true);
-		if (ret_code) {
-			i40iw_pr_err("cqp cmd failed for sd (pbles)\n");
-			goto error;
-		}
-	}
-
-	sd_entry->valid = true;
-	list_add(&chunk->list, &pble_rsrc->pinfo.clist);
-	return 0;
- error:
-	kfree(chunk);
-	return ret_code;
-}
-
-/**
- * free_lvl2 - fee level 2 pble
- * @pble_rsrc: pble resource management
- * @palloc: level 2 pble allocation
- */
-static void free_lvl2(struct i40iw_hmc_pble_rsrc *pble_rsrc,
-		      struct i40iw_pble_alloc *palloc)
-{
-	u32 i;
-	struct gen_pool *pool;
-	struct i40iw_pble_level2 *lvl2 = &palloc->level2;
-	struct i40iw_pble_info *root = &lvl2->root;
-	struct i40iw_pble_info *leaf = lvl2->leaf;
-
-	pool = pble_rsrc->pinfo.pool;
-
-	for (i = 0; i < lvl2->leaf_cnt; i++, leaf++) {
-		if (leaf->addr)
-			gen_pool_free(pool, leaf->addr, (leaf->cnt << 3));
-		else
-			break;
-	}
-
-	if (root->addr)
-		gen_pool_free(pool, root->addr, (root->cnt << 3));
-
-	kfree(lvl2->leaf);
-	lvl2->leaf = NULL;
-}
-
-/**
- * get_lvl2_pble - get level 2 pble resource
- * @pble_rsrc: pble resource management
- * @palloc: level 2 pble allocation
- * @pool: pool pointer
- */
-static enum i40iw_status_code get_lvl2_pble(struct i40iw_hmc_pble_rsrc *pble_rsrc,
-					    struct i40iw_pble_alloc *palloc,
-					    struct gen_pool *pool)
-{
-	u32 lf4k, lflast, total, i;
-	u32 pblcnt = PBLE_PER_PAGE;
-	u64 *addr;
-	struct i40iw_pble_level2 *lvl2 = &palloc->level2;
-	struct i40iw_pble_info *root = &lvl2->root;
-	struct i40iw_pble_info *leaf;
-
-	/* number of full 512 (4K) leafs) */
-	lf4k = palloc->total_cnt >> 9;
-	lflast = palloc->total_cnt % PBLE_PER_PAGE;
-	total = (lflast == 0) ? lf4k : lf4k + 1;
-	lvl2->leaf_cnt = total;
-
-	leaf = kzalloc((sizeof(*leaf) * total), GFP_ATOMIC);
-	if (!leaf)
-		return I40IW_ERR_NO_MEMORY;
-	lvl2->leaf = leaf;
-	/* allocate pbles for the root */
-	root->addr = gen_pool_alloc(pool, (total << 3));
-	if (!root->addr) {
-		kfree(lvl2->leaf);
-		lvl2->leaf = NULL;
-		return I40IW_ERR_NO_MEMORY;
-	}
-	root->idx = fpm_to_idx(pble_rsrc,
-			       (u64)gen_pool_virt_to_phys(pool, root->addr));
-	root->cnt = total;
-	addr = (u64 *)root->addr;
-	for (i = 0; i < total; i++, leaf++) {
-		pblcnt = (lflast && ((i + 1) == total)) ? lflast : PBLE_PER_PAGE;
-		leaf->addr = gen_pool_alloc(pool, (pblcnt << 3));
-		if (!leaf->addr)
-			goto error;
-		leaf->idx = fpm_to_idx(pble_rsrc, (u64)gen_pool_virt_to_phys(pool, leaf->addr));
-
-		leaf->cnt = pblcnt;
-		*addr = (u64)leaf->idx;
-		addr++;
-	}
-	palloc->level = I40IW_LEVEL_2;
-	pble_rsrc->stats_lvl2++;
-	return 0;
- error:
-	free_lvl2(pble_rsrc, palloc);
-	return I40IW_ERR_NO_MEMORY;
-}
-
-/**
- * get_lvl1_pble - get level 1 pble resource
- * @dev: hardware control device structure
- * @pble_rsrc: pble resource management
- * @palloc: level 1 pble allocation
- */
-static enum i40iw_status_code get_lvl1_pble(struct i40iw_sc_dev *dev,
-					    struct i40iw_hmc_pble_rsrc *pble_rsrc,
-					    struct i40iw_pble_alloc *palloc)
-{
-	u64 *addr;
-	struct gen_pool *pool;
-	struct i40iw_pble_info *lvl1 = &palloc->level1;
-
-	pool = pble_rsrc->pinfo.pool;
-	addr = (u64 *)gen_pool_alloc(pool, (palloc->total_cnt << 3));
-
-	if (!addr)
-		return I40IW_ERR_NO_MEMORY;
-
-	palloc->level = I40IW_LEVEL_1;
-	lvl1->addr = (unsigned long)addr;
-	lvl1->idx = fpm_to_idx(pble_rsrc, (u64)gen_pool_virt_to_phys(pool,
-			       (unsigned long)addr));
-	lvl1->cnt = palloc->total_cnt;
-	pble_rsrc->stats_lvl1++;
-	return 0;
-}
-
-/**
- * get_lvl1_lvl2_pble - calls get_lvl1 and get_lvl2 pble routine
- * @dev: i40iw_sc_dev struct
- * @pble_rsrc:	pble resources
- * @palloc: contains all inforamtion regarding pble (idx + pble addr)
- * @pool: pointer to general purpose special memory pool descriptor
- */
-static inline enum i40iw_status_code get_lvl1_lvl2_pble(struct i40iw_sc_dev *dev,
-							struct i40iw_hmc_pble_rsrc *pble_rsrc,
-							struct i40iw_pble_alloc *palloc,
-							struct gen_pool *pool)
-{
-	enum i40iw_status_code status = 0;
-
-	status = get_lvl1_pble(dev, pble_rsrc, palloc);
-	if (status && (palloc->total_cnt > PBLE_PER_PAGE))
-		status = get_lvl2_pble(pble_rsrc, palloc, pool);
-	return status;
-}
-
-/**
- * i40iw_get_pble - allocate pbles from the pool
- * @dev: i40iw_sc_dev struct
- * @pble_rsrc:	pble resources
- * @palloc: contains all inforamtion regarding pble (idx + pble addr)
- * @pble_cnt: #of pbles requested
- */
-enum i40iw_status_code i40iw_get_pble(struct i40iw_sc_dev *dev,
-				      struct i40iw_hmc_pble_rsrc *pble_rsrc,
-				      struct i40iw_pble_alloc *palloc,
-				      u32 pble_cnt)
-{
-	struct gen_pool *pool;
-	enum i40iw_status_code status = 0;
-	u32 max_sds = 0;
-	int i;
-
-	pool = pble_rsrc->pinfo.pool;
-	palloc->total_cnt = pble_cnt;
-	palloc->level = I40IW_LEVEL_0;
-	/*check first to see if we can get pble's without acquiring additional sd's */
-	status = get_lvl1_lvl2_pble(dev, pble_rsrc, palloc, pool);
-	if (!status)
-		goto exit;
-	max_sds = (palloc->total_cnt >> 18) + 1;
-	for (i = 0; i < max_sds; i++) {
-		status = add_pble_pool(dev, pble_rsrc);
-		if (status)
-			break;
-		status = get_lvl1_lvl2_pble(dev, pble_rsrc, palloc, pool);
-		if (!status)
-			break;
-	}
-exit:
-	if (!status)
-		pble_rsrc->stats_alloc_ok++;
-	else
-		pble_rsrc->stats_alloc_fail++;
-
-	return status;
-}
-
-/**
- * i40iw_free_pble - put pbles back into pool
- * @pble_rsrc:	pble resources
- * @palloc: contains all inforamtion regarding pble resource being freed
- */
-void i40iw_free_pble(struct i40iw_hmc_pble_rsrc *pble_rsrc,
-		     struct i40iw_pble_alloc *palloc)
-{
-	struct gen_pool *pool;
-
-	pool = pble_rsrc->pinfo.pool;
-	if (palloc->level == I40IW_LEVEL_2)
-		free_lvl2(pble_rsrc, palloc);
-	else
-		gen_pool_free(pool, palloc->level1.addr,
-			      (palloc->level1.cnt << 3));
-	pble_rsrc->stats_alloc_freed++;
-}