On 26/08/2025 10:05, Fan Gong wrote:
Use mailbox to get device capability for initializing driver capability.
Co-developed-by: Xin Guo <guoxin09@xxxxxxxxxx>
Signed-off-by: Xin Guo <guoxin09@xxxxxxxxxx>
Co-developed-by: Zhu Yikai <zhuyikai1@xxxxxxxxxxxxxx>
Signed-off-by: Zhu Yikai <zhuyikai1@xxxxxxxxxxxxxx>
Signed-off-by: Fan Gong <gongfan1@xxxxxxxxxx>
---
.../ethernet/huawei/hinic3/hinic3_hw_cfg.c | 66 +++++++++++++++++++
.../ethernet/huawei/hinic3/hinic3_hw_cfg.h | 1 +
.../ethernet/huawei/hinic3/hinic3_hw_intf.h | 42 ++++++++++++
.../net/ethernet/huawei/hinic3/hinic3_hwdev.c | 6 ++
4 files changed, 115 insertions(+)
diff --git a/drivers/net/ethernet/huawei/hinic3/hinic3_hw_cfg.c b/drivers/net/ethernet/huawei/hinic3/hinic3_hw_cfg.c
index e7ef450c4971..24b929690f64 100644
--- a/drivers/net/ethernet/huawei/hinic3/hinic3_hw_cfg.c
+++ b/drivers/net/ethernet/huawei/hinic3/hinic3_hw_cfg.c
@@ -8,6 +8,67 @@
#include "hinic3_hwif.h"
#include "hinic3_mbox.h"
+#define HINIC3_CFG_MAX_QP 256
+
+static void parse_pub_res_cap(struct hinic3_hwdev *hwdev,
+ struct hinic3_dev_cap *cap,
+ const struct cfg_cmd_dev_cap *dev_cap,
+ enum hinic3_func_type type)
+{
+ cap->port_id = dev_cap->port_id;
+ cap->supp_svcs_bitmap = dev_cap->svc_cap_en;
+}
+
+static void parse_l2nic_res_cap(struct hinic3_hwdev *hwdev,
+ struct hinic3_dev_cap *cap,
+ const struct cfg_cmd_dev_cap *dev_cap,
+ enum hinic3_func_type type)
+{
+ struct hinic3_nic_service_cap *nic_svc_cap = &cap->nic_svc_cap;
+
+ nic_svc_cap->max_sqs = min(dev_cap->nic_max_sq_id + 1,
+ HINIC3_CFG_MAX_QP);
+}
+
+static void parse_dev_cap(struct hinic3_hwdev *hwdev,
+ const struct cfg_cmd_dev_cap *dev_cap,
+ enum hinic3_func_type type)
+{
+ struct hinic3_dev_cap *cap = &hwdev->cfg_mgmt->cap;
+
+ /* Public resource */
+ parse_pub_res_cap(hwdev, cap, dev_cap, type);
+
+ /* L2 NIC resource */
+ if (hinic3_support_nic(hwdev))
+ parse_l2nic_res_cap(hwdev, cap, dev_cap, type);
+}
Could you please prepend local functions with the scope (hinic3) to be
consistent with naming? Some of functions have pretty common name and
may potentially overlap with some core functions.
+
+static int get_cap_from_fw(struct hinic3_hwdev *hwdev,
+ enum hinic3_func_type type)
+{
+ struct mgmt_msg_params msg_params = {};
+ struct cfg_cmd_dev_cap dev_cap = {};
+ int err;
+
+ dev_cap.func_id = hinic3_global_func_id(hwdev);
+
+ mgmt_msg_params_init_default(&msg_params, &dev_cap, sizeof(dev_cap));
+
+ err = hinic3_send_mbox_to_mgmt(hwdev, MGMT_MOD_CFGM,
+ CFG_CMD_GET_DEV_CAP, &msg_params);
+ if (err || dev_cap.head.status) {
+ dev_err(hwdev->dev,
+ "Failed to get capability from FW, err: %d, status: 0x%x\n",
+ err, dev_cap.head.status);
+ return -EIO;
+ }
+
+ parse_dev_cap(hwdev, &dev_cap, type);
+
+ return 0;
+}
+
static int hinic3_init_irq_info(struct hinic3_hwdev *hwdev)
{
struct hinic3_cfg_mgmt_info *cfg_mgmt = hwdev->cfg_mgmt;
@@ -180,6 +241,11 @@ void hinic3_free_irq(struct hinic3_hwdev *hwdev, u32 irq_id)
mutex_unlock(&irq_info->irq_mutex);
}
+int init_capability(struct hinic3_hwdev *hwdev)
+{
+ return get_cap_from_fw(hwdev, HINIC3_FUNC_TYPE_VF);
+}
+
bool hinic3_support_nic(struct hinic3_hwdev *hwdev)
{
return hwdev->cfg_mgmt->cap.supp_svcs_bitmap &
diff --git a/drivers/net/ethernet/huawei/hinic3/hinic3_hw_cfg.h b/drivers/net/ethernet/huawei/hinic3/hinic3_hw_cfg.h
index 5978cbd56fb2..8900b40e3c42 100644
--- a/drivers/net/ethernet/huawei/hinic3/hinic3_hw_cfg.h
+++ b/drivers/net/ethernet/huawei/hinic3/hinic3_hw_cfg.h
@@ -49,6 +49,7 @@ int hinic3_alloc_irqs(struct hinic3_hwdev *hwdev, u16 num,
struct msix_entry *alloc_arr, u16 *act_num);
void hinic3_free_irq(struct hinic3_hwdev *hwdev, u32 irq_id);
+int init_capability(struct hinic3_hwdev *hwdev);
and especially non-static functions has to be prefixed with the
scope, please
bool hinic3_support_nic(struct hinic3_hwdev *hwdev);
u16 hinic3_func_max_qnum(struct hinic3_hwdev *hwdev);
u8 hinic3_physical_port_id(struct hinic3_hwdev *hwdev);
[...]