[PATCH 21.11 1/4] net/hns3: extract common function to obtain revision ID
Huisong Li
lihuisong at huawei.com
Thu Nov 23 09:05:26 CET 2023
[ upstream commit f5ed7d99cf45d550a69c1430b7c4a5623a9c774a ]
The code logic of obtaining the revision ID of PCI device is the same
for PF and VF driver. This patch extracts a common interface to do it.
Signed-off-by: Huisong Li <lihuisong at huawei.com>
Acked-by: Min Hu (Connor) <humin29 at huawei.com>
---
drivers/net/hns3/hns3_common.c | 22 ++++++++++++++++++++++
drivers/net/hns3/hns3_common.h | 1 +
drivers/net/hns3/hns3_ethdev.c | 16 ++++------------
drivers/net/hns3/hns3_ethdev_vf.c | 21 ++++-----------------
4 files changed, 31 insertions(+), 29 deletions(-)
diff --git a/drivers/net/hns3/hns3_common.c b/drivers/net/hns3/hns3_common.c
index 6dae69347c..8641b90f67 100644
--- a/drivers/net/hns3/hns3_common.c
+++ b/drivers/net/hns3/hns3_common.c
@@ -789,6 +789,28 @@ hns3_restore_rx_interrupt(struct hns3_hw *hw)
return 0;
}
+int
+hns3_get_pci_revision_id(struct hns3_hw *hw, uint8_t *revision_id)
+{
+ struct rte_pci_device *pci_dev;
+ struct rte_eth_dev *eth_dev;
+ uint8_t revision;
+ int ret;
+
+ eth_dev = &rte_eth_devices[hw->data->port_id];
+ pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
+ ret = rte_pci_read_config(pci_dev, &revision, HNS3_PCI_REVISION_ID_LEN,
+ HNS3_PCI_REVISION_ID);
+ if (ret != HNS3_PCI_REVISION_ID_LEN) {
+ hns3_err(hw, "failed to read pci revision id, ret = %d", ret);
+ return -EIO;
+ }
+
+ *revision_id = revision;
+
+ return 0;
+}
+
void
hns3_set_default_dev_specifications(struct hns3_hw *hw)
{
diff --git a/drivers/net/hns3/hns3_common.h b/drivers/net/hns3/hns3_common.h
index 1d2ca24194..47d6e34269 100644
--- a/drivers/net/hns3/hns3_common.h
+++ b/drivers/net/hns3/hns3_common.h
@@ -58,6 +58,7 @@ int hns3_map_rx_interrupt(struct rte_eth_dev *dev);
void hns3_unmap_rx_interrupt(struct rte_eth_dev *dev);
int hns3_restore_rx_interrupt(struct hns3_hw *hw);
+int hns3_get_pci_revision_id(struct hns3_hw *hw, uint8_t *revision_id);
void hns3_set_default_dev_specifications(struct hns3_hw *hw);
int hns3_query_dev_specifications(struct hns3_hw *hw);
diff --git a/drivers/net/hns3/hns3_ethdev.c b/drivers/net/hns3/hns3_ethdev.c
index ed85caa7bd..6ae62879b3 100644
--- a/drivers/net/hns3/hns3_ethdev.c
+++ b/drivers/net/hns3/hns3_ethdev.c
@@ -5,7 +5,6 @@
#include <rte_alarm.h>
#include <rte_bus_pci.h>
#include <ethdev_pci.h>
-#include <rte_pci.h>
#include "hns3_ethdev.h"
#include "hns3_common.h"
@@ -2694,7 +2693,6 @@ hns3_get_capability(struct hns3_hw *hw)
struct hns3_pf *pf = &hns->pf;
struct rte_eth_dev *eth_dev;
uint16_t device_id;
- uint8_t revision;
int ret;
eth_dev = &rte_eth_devices[hw->data->port_id];
@@ -2707,21 +2705,15 @@ hns3_get_capability(struct hns3_hw *hw)
device_id == HNS3_DEV_ID_200G_RDMA)
hns3_set_bit(hw->capability, HNS3_DEV_SUPPORT_DCB_B, 1);
- /* Get PCI revision id */
- ret = rte_pci_read_config(pci_dev, &revision, HNS3_PCI_REVISION_ID_LEN,
- HNS3_PCI_REVISION_ID);
- if (ret != HNS3_PCI_REVISION_ID_LEN) {
- PMD_INIT_LOG(ERR, "failed to read pci revision id, ret = %d",
- ret);
- return -EIO;
- }
- hw->revision = revision;
+ ret = hns3_get_pci_revision_id(hw, &hw->revision);
+ if (ret)
+ return ret;
ret = hns3_query_mac_stats_reg_num(hw);
if (ret)
return ret;
- if (revision < PCI_REVISION_ID_HIP09_A) {
+ if (hw->revision < PCI_REVISION_ID_HIP09_A) {
hns3_set_default_dev_specifications(hw);
hw->intr.mapping_mode = HNS3_INTR_MAPPING_VEC_RSV_ONE;
hw->intr.gl_unit = HNS3_INTR_COALESCE_GL_UINT_2US;
diff --git a/drivers/net/hns3/hns3_ethdev_vf.c b/drivers/net/hns3/hns3_ethdev_vf.c
index a125cfbeb9..cea885d7d8 100644
--- a/drivers/net/hns3/hns3_ethdev_vf.c
+++ b/drivers/net/hns3/hns3_ethdev_vf.c
@@ -6,7 +6,6 @@
#include <rte_alarm.h>
#include <ethdev_pci.h>
#include <rte_io.h>
-#include <rte_pci.h>
#include <rte_vfio.h>
#include "hns3_ethdev.h"
@@ -760,25 +759,13 @@ hns3vf_get_push_lsc_cap(struct hns3_hw *hw)
static int
hns3vf_get_capability(struct hns3_hw *hw)
{
- struct rte_pci_device *pci_dev;
- struct rte_eth_dev *eth_dev;
- uint8_t revision;
int ret;
- eth_dev = &rte_eth_devices[hw->data->port_id];
- pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
-
- /* Get PCI revision id */
- ret = rte_pci_read_config(pci_dev, &revision, HNS3_PCI_REVISION_ID_LEN,
- HNS3_PCI_REVISION_ID);
- if (ret != HNS3_PCI_REVISION_ID_LEN) {
- PMD_INIT_LOG(ERR, "failed to read pci revision id, ret = %d",
- ret);
- return -EIO;
- }
- hw->revision = revision;
+ ret = hns3_get_pci_revision_id(hw, &hw->revision);
+ if (ret)
+ return ret;
- if (revision < PCI_REVISION_ID_HIP09_A) {
+ if (hw->revision < PCI_REVISION_ID_HIP09_A) {
hns3_set_default_dev_specifications(hw);
hw->intr.mapping_mode = HNS3_INTR_MAPPING_VEC_RSV_ONE;
hw->intr.gl_unit = HNS3_INTR_COALESCE_GL_UINT_2US;
--
2.33.0
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