[PATCH v2 for-rc 2/3] RDMA/hns: Remove VF extend configuration
From: Junxian Huang
Date: Mon Jul 17 2023 - 02:06:29 EST
Remove VF extend configuration since the relative registers are
configured in firmware currently.
Signed-off-by: Junxian Huang <huangjunxian6@xxxxxxxxxxxxx>
---
drivers/infiniband/hw/hns/hns_roce_device.h | 1 -
drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 84 +++------------------
drivers/infiniband/hw/hns/hns_roce_hw_v2.h | 10 ---
3 files changed, 10 insertions(+), 85 deletions(-)
diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h
index 84239b907de2..6084c1649000 100644
--- a/drivers/infiniband/hw/hns/hns_roce_device.h
+++ b/drivers/infiniband/hw/hns/hns_roce_device.h
@@ -714,7 +714,6 @@ struct hns_roce_caps {
u32 max_rq_sg;
u32 rsv0;
u32 num_qps;
- u32 num_pi_qps;
u32 reserved_qps;
u32 num_srqs;
u32 max_wqes;
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index fb3ce4af22b5..c4b92d8bd98a 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -1698,29 +1698,6 @@ static int load_func_res_caps(struct hns_roce_dev *hr_dev, bool is_vf)
return 0;
}
-static int load_ext_cfg_caps(struct hns_roce_dev *hr_dev, bool is_vf)
-{
- struct hns_roce_cmq_desc desc;
- struct hns_roce_cmq_req *req = (struct hns_roce_cmq_req *)desc.data;
- struct hns_roce_caps *caps = &hr_dev->caps;
- u32 func_num, qp_num;
- int ret;
-
- hns_roce_cmq_setup_basic_desc(&desc, HNS_ROCE_OPC_EXT_CFG, true);
- ret = hns_roce_cmq_send(hr_dev, &desc, 1);
- if (ret)
- return ret;
-
- func_num = is_vf ? 1 : max_t(u32, 1, hr_dev->func_num);
- qp_num = hr_reg_read(req, EXT_CFG_QP_PI_NUM) / func_num;
- caps->num_pi_qps = round_down(qp_num, HNS_ROCE_QP_BANK_NUM);
-
- qp_num = hr_reg_read(req, EXT_CFG_QP_NUM) / func_num;
- caps->num_qps = round_down(qp_num, HNS_ROCE_QP_BANK_NUM);
-
- return 0;
-}
-
static int load_pf_timer_res_caps(struct hns_roce_dev *hr_dev)
{
struct hns_roce_cmq_desc desc;
@@ -1741,50 +1718,37 @@ static int load_pf_timer_res_caps(struct hns_roce_dev *hr_dev)
return 0;
}
-static int query_func_resource_caps(struct hns_roce_dev *hr_dev, bool is_vf)
+static int hns_roce_query_pf_resource(struct hns_roce_dev *hr_dev)
{
struct device *dev = hr_dev->dev;
int ret;
- ret = load_func_res_caps(hr_dev, is_vf);
+ ret = load_func_res_caps(hr_dev, false);
if (ret) {
- dev_err(dev, "failed to load res caps, ret = %d (%s).\n", ret,
- is_vf ? "vf" : "pf");
+ dev_err(dev, "failed to load pf res caps, ret = %d.\n", ret);
return ret;
}
- if (hr_dev->pci_dev->revision >= PCI_REVISION_ID_HIP09) {
- ret = load_ext_cfg_caps(hr_dev, is_vf);
- if (ret)
- dev_err(dev, "failed to load ext cfg, ret = %d (%s).\n",
- ret, is_vf ? "vf" : "pf");
- }
+ ret = load_pf_timer_res_caps(hr_dev);
+ if (ret)
+ dev_err(dev, "failed to load pf timer resource, ret = %d.\n",
+ ret);
return ret;
}
-static int hns_roce_query_pf_resource(struct hns_roce_dev *hr_dev)
+static int hns_roce_query_vf_resource(struct hns_roce_dev *hr_dev)
{
struct device *dev = hr_dev->dev;
int ret;
- ret = query_func_resource_caps(hr_dev, false);
+ ret = load_func_res_caps(hr_dev, true);
if (ret)
- return ret;
-
- ret = load_pf_timer_res_caps(hr_dev);
- if (ret)
- dev_err(dev, "failed to load pf timer resource, ret = %d.\n",
- ret);
+ dev_err(dev, "failed to load vf res caps, ret = %d.\n", ret);
return ret;
}
-static int hns_roce_query_vf_resource(struct hns_roce_dev *hr_dev)
-{
- return query_func_resource_caps(hr_dev, true);
-}
-
static int __hns_roce_set_vf_switch_param(struct hns_roce_dev *hr_dev,
u32 vf_id)
{
@@ -1867,24 +1831,6 @@ static int config_vf_hem_resource(struct hns_roce_dev *hr_dev, int vf_id)
return hns_roce_cmq_send(hr_dev, desc, 2);
}
-static int config_vf_ext_resource(struct hns_roce_dev *hr_dev, u32 vf_id)
-{
- struct hns_roce_cmq_desc desc;
- struct hns_roce_cmq_req *req = (struct hns_roce_cmq_req *)desc.data;
- struct hns_roce_caps *caps = &hr_dev->caps;
-
- hns_roce_cmq_setup_basic_desc(&desc, HNS_ROCE_OPC_EXT_CFG, false);
-
- hr_reg_write(req, EXT_CFG_VF_ID, vf_id);
-
- hr_reg_write(req, EXT_CFG_QP_PI_NUM, caps->num_pi_qps);
- hr_reg_write(req, EXT_CFG_QP_PI_IDX, vf_id * caps->num_pi_qps);
- hr_reg_write(req, EXT_CFG_QP_NUM, caps->num_qps);
- hr_reg_write(req, EXT_CFG_QP_IDX, vf_id * caps->num_qps);
-
- return hns_roce_cmq_send(hr_dev, &desc, 1);
-}
-
static int hns_roce_alloc_vf_resource(struct hns_roce_dev *hr_dev)
{
u32 func_num = max_t(u32, 1, hr_dev->func_num);
@@ -1899,16 +1845,6 @@ static int hns_roce_alloc_vf_resource(struct hns_roce_dev *hr_dev)
vf_id, ret);
return ret;
}
-
- if (hr_dev->pci_dev->revision >= PCI_REVISION_ID_HIP09) {
- ret = config_vf_ext_resource(hr_dev, vf_id);
- if (ret) {
- dev_err(hr_dev->dev,
- "failed to config vf-%u ext res, ret = %d.\n",
- vf_id, ret);
- return ret;
- }
- }
}
return 0;
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
index 2b87f0cf06ec..d9693f6cc802 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
@@ -219,7 +219,6 @@ enum hns_roce_opcode_type {
HNS_ROCE_OPC_QUERY_VF_RES = 0x850e,
HNS_ROCE_OPC_CFG_GMV_TBL = 0x850f,
HNS_ROCE_OPC_CFG_GMV_BT = 0x8510,
- HNS_ROCE_OPC_EXT_CFG = 0x8512,
HNS_ROCE_QUERY_RAM_ECC = 0x8513,
HNS_SWITCH_PARAMETER_CFG = 0x1033,
};
@@ -956,15 +955,6 @@ struct hns_roce_func_clear {
#define HNS_ROCE_V2_READ_FUNC_CLEAR_FLAG_INTERVAL 40
#define HNS_ROCE_V2_READ_FUNC_CLEAR_FLAG_FAIL_WAIT 20
-/* Fields of HNS_ROCE_OPC_EXT_CFG */
-#define EXT_CFG_VF_ID CMQ_REQ_FIELD_LOC(31, 0)
-#define EXT_CFG_QP_PI_IDX CMQ_REQ_FIELD_LOC(45, 32)
-#define EXT_CFG_QP_PI_NUM CMQ_REQ_FIELD_LOC(63, 48)
-#define EXT_CFG_QP_NUM CMQ_REQ_FIELD_LOC(87, 64)
-#define EXT_CFG_QP_IDX CMQ_REQ_FIELD_LOC(119, 96)
-#define EXT_CFG_LLM_IDX CMQ_REQ_FIELD_LOC(139, 128)
-#define EXT_CFG_LLM_NUM CMQ_REQ_FIELD_LOC(156, 144)
-
#define CFG_LLM_A_BA_L CMQ_REQ_FIELD_LOC(31, 0)
#define CFG_LLM_A_BA_H CMQ_REQ_FIELD_LOC(63, 32)
#define CFG_LLM_A_DEPTH CMQ_REQ_FIELD_LOC(76, 64)
--
2.30.0