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path: root/drivers/net/ethernet/intel/i40e/i40e_hmc.c
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Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e_hmc.c')
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_hmc.c118
1 files changed, 44 insertions, 74 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_hmc.c b/drivers/net/ethernet/intel/i40e/i40e_hmc.c
index a7c7b1d9b7c8..1742624ca62e 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_hmc.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_hmc.c
@@ -1,33 +1,8 @@
-/*******************************************************************************
- *
- * Intel Ethernet Controller XL710 Family Linux Driver
- * Copyright(c) 2013 - 2014 Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program. If not, see <http://www.gnu.org/licenses/>.
- *
- * The full GNU General Public License is included in this distribution in
- * the file called "COPYING".
- *
- * Contact Information:
- * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
- * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
- *
- ******************************************************************************/
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright(c) 2013 - 2018 Intel Corporation. */
-#include "i40e_osdep.h"
-#include "i40e_register.h"
-#include "i40e_status.h"
#include "i40e_alloc.h"
+#include "i40e_debug.h"
#include "i40e_hmc.h"
#include "i40e_type.h"
@@ -39,43 +14,39 @@
* @type: what type of segment descriptor we're manipulating
* @direct_mode_sz: size to alloc in direct mode
**/
-i40e_status 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_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)
{
- enum i40e_memory_type mem_type __attribute__((unused));
struct i40e_hmc_sd_entry *sd_entry;
bool dma_mem_alloc_done = false;
struct i40e_dma_mem mem;
- i40e_status ret_code = I40E_SUCCESS;
+ int ret_code = 0;
u64 alloc_len;
if (NULL == hmc_info->sd_table.sd_entry) {
- ret_code = I40E_ERR_BAD_PTR;
+ ret_code = -EINVAL;
hw_dbg(hw, "i40e_add_sd_table_entry: bad sd_entry\n");
goto exit;
}
if (sd_index >= hmc_info->sd_table.sd_cnt) {
- ret_code = I40E_ERR_INVALID_SD_INDEX;
+ ret_code = -EINVAL;
hw_dbg(hw, "i40e_add_sd_table_entry: bad sd_index\n");
goto exit;
}
sd_entry = &hmc_info->sd_table.sd_entry[sd_index];
if (!sd_entry->valid) {
- if (I40E_SD_TYPE_PAGED == type) {
- mem_type = i40e_mem_pd;
+ if (type == I40E_SD_TYPE_PAGED)
alloc_len = I40E_HMC_PAGED_BP_SIZE;
- } else {
- mem_type = i40e_mem_bp_jumbo;
+ else
alloc_len = direct_mode_sz;
- }
/* allocate a 4K pd page or 2M backing page */
- ret_code = i40e_allocate_dma_mem(hw, &mem, mem_type, alloc_len,
+ ret_code = i40e_allocate_dma_mem(hw, &mem, alloc_len,
I40E_HMC_PD_BP_BUF_ALIGNMENT);
if (ret_code)
goto exit;
@@ -128,22 +99,22 @@ exit:
* aligned on 4K boundary and zeroed memory.
* 2. It should be 4K in size.
**/
-i40e_status 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_add_pd_table_entry(struct i40e_hw *hw,
+ struct i40e_hmc_info *hmc_info,
+ u32 pd_index,
+ struct i40e_dma_mem *rsrc_pg)
{
- i40e_status ret_code = 0;
struct i40e_hmc_pd_table *pd_table;
struct i40e_hmc_pd_entry *pd_entry;
struct i40e_dma_mem mem;
struct i40e_dma_mem *page = &mem;
u32 sd_idx, rel_pd_idx;
- u64 *pd_addr;
+ int ret_code = 0;
u64 page_desc;
+ u64 *pd_addr;
if (pd_index / I40E_HMC_PD_CNT_IN_SD >= hmc_info->sd_table.sd_cnt) {
- ret_code = I40E_ERR_INVALID_PAGE_DESC_INDEX;
+ ret_code = -EINVAL;
hw_dbg(hw, "i40e_add_pd_table_entry: bad pd_index\n");
goto exit;
}
@@ -163,7 +134,7 @@ i40e_status i40e_add_pd_table_entry(struct i40e_hw *hw,
page = rsrc_pg;
} else {
/* allocate a 4K backing page */
- ret_code = i40e_allocate_dma_mem(hw, page, i40e_mem_bp,
+ ret_code = i40e_allocate_dma_mem(hw, page,
I40E_HMC_PAGED_BP_SIZE,
I40E_HMC_PD_BP_BUF_ALIGNMENT);
if (ret_code)
@@ -197,7 +168,6 @@ exit:
* @hw: pointer to our HW structure
* @hmc_info: pointer to the HMC configuration information structure
* @idx: the page index
- * @is_pf: distinguishes a VF from a PF
*
* This function:
* 1. Marks the entry in pd tabe (for paged address mode) or in sd table
@@ -208,28 +178,28 @@ exit:
* 1. Caller can deallocate the memory used by backing storage after this
* function returns.
**/
-i40e_status i40e_remove_pd_bp(struct i40e_hw *hw,
- struct i40e_hmc_info *hmc_info,
- u32 idx)
+int i40e_remove_pd_bp(struct i40e_hw *hw,
+ struct i40e_hmc_info *hmc_info,
+ u32 idx)
{
- i40e_status ret_code = 0;
struct i40e_hmc_pd_entry *pd_entry;
struct i40e_hmc_pd_table *pd_table;
struct i40e_hmc_sd_entry *sd_entry;
u32 sd_idx, rel_pd_idx;
+ int ret_code = 0;
u64 *pd_addr;
/* calculate index */
sd_idx = idx / I40E_HMC_PD_CNT_IN_SD;
rel_pd_idx = idx % I40E_HMC_PD_CNT_IN_SD;
if (sd_idx >= hmc_info->sd_table.sd_cnt) {
- ret_code = I40E_ERR_INVALID_PAGE_DESC_INDEX;
+ ret_code = -EINVAL;
hw_dbg(hw, "i40e_remove_pd_bp: bad idx\n");
goto exit;
}
sd_entry = &hmc_info->sd_table.sd_entry[sd_idx];
if (I40E_SD_TYPE_PAGED != sd_entry->entry_type) {
- ret_code = I40E_ERR_INVALID_SD_TYPE;
+ ret_code = -EINVAL;
hw_dbg(hw, "i40e_remove_pd_bp: wrong sd_entry type\n");
goto exit;
}
@@ -264,17 +234,17 @@ exit:
* @hmc_info: pointer to the HMC configuration information structure
* @idx: the page index
**/
-i40e_status i40e_prep_remove_sd_bp(struct i40e_hmc_info *hmc_info,
- u32 idx)
+int i40e_prep_remove_sd_bp(struct i40e_hmc_info *hmc_info,
+ u32 idx)
{
- i40e_status ret_code = 0;
struct i40e_hmc_sd_entry *sd_entry;
+ int ret_code = 0;
/* get the entry and decrease its ref counter */
sd_entry = &hmc_info->sd_table.sd_entry[idx];
I40E_DEC_BP_REFCNT(&sd_entry->u.bp);
if (sd_entry->u.bp.ref_cnt) {
- ret_code = I40E_ERR_NOT_READY;
+ ret_code = -EBUSY;
goto exit;
}
I40E_DEC_SD_REFCNT(&hmc_info->sd_table);
@@ -292,14 +262,14 @@ exit:
* @idx: the page index
* @is_pf: used to distinguish between VF and PF
**/
-i40e_status i40e_remove_sd_bp_new(struct i40e_hw *hw,
- struct i40e_hmc_info *hmc_info,
- u32 idx, bool is_pf)
+int i40e_remove_sd_bp_new(struct i40e_hw *hw,
+ struct i40e_hmc_info *hmc_info,
+ u32 idx, bool is_pf)
{
struct i40e_hmc_sd_entry *sd_entry;
if (!is_pf)
- return I40E_NOT_SUPPORTED;
+ return -EOPNOTSUPP;
/* get the entry and decrease its ref counter */
sd_entry = &hmc_info->sd_table.sd_entry[idx];
@@ -313,16 +283,16 @@ i40e_status i40e_remove_sd_bp_new(struct i40e_hw *hw,
* @hmc_info: pointer to the HMC configuration information structure
* @idx: segment descriptor index to find the relevant page descriptor
**/
-i40e_status i40e_prep_remove_pd_page(struct i40e_hmc_info *hmc_info,
- u32 idx)
+int i40e_prep_remove_pd_page(struct i40e_hmc_info *hmc_info,
+ u32 idx)
{
- i40e_status ret_code = 0;
struct i40e_hmc_sd_entry *sd_entry;
+ int ret_code = 0;
sd_entry = &hmc_info->sd_table.sd_entry[idx];
if (sd_entry->u.pd_table.ref_cnt) {
- ret_code = I40E_ERR_NOT_READY;
+ ret_code = -EBUSY;
goto exit;
}
@@ -341,14 +311,14 @@ exit:
* @idx: segment descriptor index to find the relevant page descriptor
* @is_pf: used to distinguish between VF and PF
**/
-i40e_status i40e_remove_pd_page_new(struct i40e_hw *hw,
- struct i40e_hmc_info *hmc_info,
- u32 idx, bool is_pf)
+int i40e_remove_pd_page_new(struct i40e_hw *hw,
+ struct i40e_hmc_info *hmc_info,
+ u32 idx, bool is_pf)
{
struct i40e_hmc_sd_entry *sd_entry;
if (!is_pf)
- return I40E_NOT_SUPPORTED;
+ return -EOPNOTSUPP;
sd_entry = &hmc_info->sd_table.sd_entry[idx];
I40E_CLEAR_PF_SD_ENTRY(hw, idx, I40E_SD_TYPE_PAGED);
generated by cgit (git 2.34.1) at 2025-12-25 15:16:22 +0000