diff options
7 files changed, 63 insertions, 48 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h index 5b3b10479cd4..510dd083e43f 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h +++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h @@ -124,6 +124,7 @@ enum hnae3_reset_notify_type { enum hnae3_reset_type { HNAE3_VF_RESET, + HNAE3_VF_FUNC_RESET, HNAE3_VF_FULL_RESET, HNAE3_FUNC_RESET, HNAE3_CORE_RESET, diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h index cfd6a7109691..5a38226c4c1f 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h @@ -593,7 +593,8 @@ static inline void hns3_write_reg(void __iomem *base, u32 reg, u32 value) static inline bool hns3_dev_ongoing_func_reset(struct hnae3_ae_dev *ae_dev) { - return (ae_dev && (ae_dev->reset_type == HNAE3_FUNC_RESET)); + return (ae_dev && (ae_dev->reset_type == HNAE3_FUNC_RESET || + ae_dev->reset_type == HNAE3_VF_FUNC_RESET)); } #define hns3_read_dev(a, reg) \ diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h index 36f341368683..6df4cfe6af35 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h @@ -775,6 +775,7 @@ static inline int hclge_get_queue_id(struct hnae3_queue *queue) return tqp->index; } +int hclge_inform_reset_assert_to_vf(struct hclge_vport *vport); int hclge_cfg_mac_speed_dup(struct hclge_dev *hdev, int speed, u8 duplex); int hclge_set_vlan_filter(struct hnae3_handle *handle, __be16 proto, u16 vlan_id, bool is_kill); diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c index f890022938d9..013bc7a8c798 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c @@ -79,7 +79,7 @@ static int hclge_send_mbx_msg(struct hclge_vport *vport, u8 *msg, u16 msg_len, return status; } -static int hclge_inform_reset_assert_to_vf(struct hclge_vport *vport) +int hclge_inform_reset_assert_to_vf(struct hclge_vport *vport) { u8 msg_data[2]; u8 dest_vfid; @@ -363,24 +363,10 @@ static void hclge_reset_vf(struct hclge_vport *vport, int ret; dev_warn(&hdev->pdev->dev, "PF received VF reset request from VF %d!", - mbx_req->mbx_src_vfid); - - /* Acknowledge VF that PF is now about to assert the reset for the VF. - * On receiving this message VF will get into pending state and will - * start polling for the hardware reset completion status. - */ - ret = hclge_inform_reset_assert_to_vf(vport); - if (ret) { - dev_err(&hdev->pdev->dev, - "PF fail(%d) to inform VF(%d)of reset, reset failed!\n", - ret, vport->vport_id); - return; - } + vport->vport_id); - dev_warn(&hdev->pdev->dev, "PF is now resetting VF %d.\n", - mbx_req->mbx_src_vfid); - /* reset this virtual function */ - hclge_func_reset_cmd(hdev, mbx_req->mbx_src_vfid); + ret = hclge_func_reset_cmd(hdev, vport->vport_id); + hclge_gen_resp_to_vf(vport, mbx_req, ret, NULL, 0); } static bool hclge_cmd_crq_empty(struct hclge_hw *hw) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c index cdeb231088b8..7a1462a41e81 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c @@ -855,6 +855,9 @@ static int hclgevf_unmap_ring_from_vector( struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); int ret, vector_id; + if (test_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state)) + return 0; + vector_id = hclgevf_get_vector_index(hdev, vector); if (vector_id < 0) { dev_err(&handle->pdev->dev, @@ -1141,10 +1144,34 @@ static int hclgevf_reset_stack(struct hclgevf_dev *hdev) return 0; } +static int hclgevf_reset_prepare_wait(struct hclgevf_dev *hdev) +{ + int ret = 0; + + switch (hdev->reset_type) { + case HNAE3_VF_FUNC_RESET: + ret = hclgevf_send_mbx_msg(hdev, HCLGE_MBX_RESET, 0, NULL, + 0, true, NULL, sizeof(u8)); + break; + default: + break; + } + + dev_info(&hdev->pdev->dev, "prepare reset(%d) wait done, ret:%d\n", + hdev->reset_type, ret); + + return ret; +} + static int hclgevf_reset(struct hclgevf_dev *hdev) { + struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev); int ret; + /* Initialize ae_dev reset status as well, in case enet layer wants to + * know if device is undergoing reset + */ + ae_dev->reset_type = hdev->reset_type; hdev->reset_count++; rtnl_lock(); @@ -1153,6 +1180,8 @@ static int hclgevf_reset(struct hclgevf_dev *hdev) rtnl_unlock(); + hclgevf_reset_prepare_wait(hdev); + /* check if VF could successfully fetch the hardware reset completion * status from the hardware */ @@ -1186,28 +1215,19 @@ static int hclgevf_reset(struct hclgevf_dev *hdev) return ret; } -static int hclgevf_do_reset(struct hclgevf_dev *hdev) -{ - int status; - u8 respmsg; - - status = hclgevf_send_mbx_msg(hdev, HCLGE_MBX_RESET, 0, NULL, - 0, false, &respmsg, sizeof(u8)); - if (status) - dev_err(&hdev->pdev->dev, - "VF reset request to PF failed(=%d)\n", status); - - return status; -} - static enum hnae3_reset_type hclgevf_get_reset_level(struct hclgevf_dev *hdev, unsigned long *addr) { enum hnae3_reset_type rst_level = HNAE3_NONE_RESET; - if (test_bit(HNAE3_VF_RESET, addr)) { - rst_level = HNAE3_VF_RESET; - clear_bit(HNAE3_VF_RESET, addr); + /* return the highest priority reset level amongst all */ + if (test_bit(HNAE3_VF_FULL_RESET, addr)) { + rst_level = HNAE3_VF_FULL_RESET; + clear_bit(HNAE3_VF_FULL_RESET, addr); + clear_bit(HNAE3_VF_FUNC_RESET, addr); + } else if (test_bit(HNAE3_VF_FUNC_RESET, addr)) { + rst_level = HNAE3_VF_FUNC_RESET; + clear_bit(HNAE3_VF_FUNC_RESET, addr); } return rst_level; @@ -1225,7 +1245,7 @@ static void hclgevf_reset_event(struct pci_dev *pdev, hclgevf_get_reset_level(hdev, &hdev->default_reset_request); else - hdev->reset_level = HNAE3_VF_RESET; + hdev->reset_level = HNAE3_VF_FUNC_RESET; /* reset of this VF requested */ set_bit(HCLGEVF_RESET_REQUESTED, &hdev->reset_state); @@ -1328,9 +1348,15 @@ static void hclgevf_reset_service_task(struct work_struct *work) */ hdev->reset_attempts = 0; - ret = hclgevf_reset(hdev); - if (ret) - dev_err(&hdev->pdev->dev, "VF stack reset failed.\n"); + hdev->last_reset_time = jiffies; + while ((hdev->reset_type = + hclgevf_get_reset_level(hdev, &hdev->reset_pending)) + != HNAE3_NONE_RESET) { + ret = hclgevf_reset(hdev); + if (ret) + dev_err(&hdev->pdev->dev, + "VF stack reset failed %d.\n", ret); + } } else if (test_and_clear_bit(HCLGEVF_RESET_REQUESTED, &hdev->reset_state)) { /* we could be here when either of below happens: @@ -1359,19 +1385,17 @@ static void hclgevf_reset_service_task(struct work_struct *work) */ if (hdev->reset_attempts > 3) { /* prepare for full reset of stack + pcie interface */ - hdev->reset_level = HNAE3_VF_FULL_RESET; + set_bit(HNAE3_VF_FULL_RESET, &hdev->reset_pending); /* "defer" schedule the reset task again */ set_bit(HCLGEVF_RESET_PENDING, &hdev->reset_state); } else { hdev->reset_attempts++; - /* request PF for resetting this VF via mailbox */ - ret = hclgevf_do_reset(hdev); - if (ret) - dev_warn(&hdev->pdev->dev, - "VF rst fail, stack will call\n"); + set_bit(hdev->reset_level, &hdev->reset_pending); + set_bit(HCLGEVF_RESET_PENDING, &hdev->reset_state); } + hclgevf_reset_task_schedule(hdev); } clear_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state); @@ -1982,7 +2006,7 @@ static int hclgevf_init_hdev(struct hclgevf_dev *hdev) } hclgevf_state_init(hdev); - hdev->reset_level = HNAE3_VF_RESET; + hdev->reset_level = HNAE3_VF_FUNC_RESET; ret = hclgevf_misc_irq_init(hdev); if (ret) { diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h index 29ae4b6281c6..e6abc4e19e6f 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h @@ -148,6 +148,8 @@ struct hclgevf_dev { unsigned long default_reset_request; unsigned long last_reset_time; enum hnae3_reset_type reset_level; + unsigned long reset_pending; + enum hnae3_reset_type reset_type; #define HCLGEVF_RESET_REQUESTED 0 #define HCLGEVF_RESET_PENDING 1 diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c index 558e3b838676..d3519f7e9b07 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c @@ -267,7 +267,7 @@ void hclgevf_mbx_async_handler(struct hclgevf_dev *hdev) * has been completely reset. After this stack should * eventually be re-initialized. */ - hdev->reset_level = HNAE3_VF_RESET; + set_bit(HNAE3_VF_FULL_RESET, &hdev->reset_pending); set_bit(HCLGEVF_RESET_PENDING, &hdev->reset_state); hclgevf_reset_task_schedule(hdev); |