diff options
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns3/hns3vf')
5 files changed, 98 insertions, 42 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c index 652b796044e3..4c2c9458648f 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c @@ -43,7 +43,7 @@ static int hclgevf_cmd_csq_clean(struct hclgevf_hw *hw) { struct hclgevf_dev *hdev = container_of(hw, struct hclgevf_dev, hw); struct hclgevf_cmq_ring *csq = &hw->cmq.csq; - int clean = 0; + int clean; u32 head; head = hclgevf_read_dev(hw, HCLGEVF_NIC_CSQ_HEAD_REG); @@ -97,7 +97,9 @@ static void hclgevf_cmd_config_regs(struct hclgevf_cmq_ring *ring) reg_val = (u32)((ring->desc_dma_addr >> 31) >> 1); hclgevf_write_dev(hw, HCLGEVF_NIC_CSQ_BASEADDR_H_REG, reg_val); - reg_val = (ring->desc_num >> HCLGEVF_NIC_CMQ_DESC_NUM_S); + reg_val = hclgevf_read_dev(hw, HCLGEVF_NIC_CSQ_DEPTH_REG); + reg_val &= HCLGEVF_NIC_SW_RST_RDY; + reg_val |= (ring->desc_num >> HCLGEVF_NIC_CMQ_DESC_NUM_S); hclgevf_write_dev(hw, HCLGEVF_NIC_CSQ_DEPTH_REG, reg_val); hclgevf_write_dev(hw, HCLGEVF_NIC_CSQ_HEAD_REG, 0); @@ -405,7 +407,15 @@ int hclgevf_cmd_init(struct hclgevf_dev *hdev) } hdev->fw_version = version; - dev_info(&hdev->pdev->dev, "The firmware version is %08x\n", version); + dev_info(&hdev->pdev->dev, "The firmware version is %lu.%lu.%lu.%lu\n", + hnae3_get_field(version, HNAE3_FW_VERSION_BYTE3_MASK, + HNAE3_FW_VERSION_BYTE3_SHIFT), + hnae3_get_field(version, HNAE3_FW_VERSION_BYTE2_MASK, + HNAE3_FW_VERSION_BYTE2_SHIFT), + hnae3_get_field(version, HNAE3_FW_VERSION_BYTE1_MASK, + HNAE3_FW_VERSION_BYTE1_SHIFT), + hnae3_get_field(version, HNAE3_FW_VERSION_BYTE0_MASK, + HNAE3_FW_VERSION_BYTE0_SHIFT)); return 0; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h index 127a434a56f3..f830eef02e5c 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h @@ -244,8 +244,11 @@ struct hclgevf_cfg_tx_queue_pointer_cmd { #define HCLGEVF_NIC_CRQ_DEPTH_REG 0x27020 #define HCLGEVF_NIC_CRQ_TAIL_REG 0x27024 #define HCLGEVF_NIC_CRQ_HEAD_REG 0x27028 -#define HCLGEVF_NIC_CMQ_EN_B 16 -#define HCLGEVF_NIC_CMQ_ENABLE BIT(HCLGEVF_NIC_CMQ_EN_B) + +/* this bit indicates that the driver is ready for hardware reset */ +#define HCLGEVF_NIC_SW_RST_RDY_B 16 +#define HCLGEVF_NIC_SW_RST_RDY BIT(HCLGEVF_NIC_SW_RST_RDY_B) + #define HCLGEVF_NIC_CMQ_DESC_NUM 1024 #define HCLGEVF_NIC_CMQ_DESC_NUM_S 3 #define HCLGEVF_NIC_CMDQ_INT_SRC_REG 0x27100 diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c index a13a0e101c3b..594cae8c7410 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c @@ -1269,7 +1269,7 @@ static int hclgevf_set_vlan_filter(struct hnae3_handle *handle, HCLGE_MBX_VLAN_FILTER, msg_data, HCLGEVF_VLAN_MBX_MSG_LEN, false, NULL, 0); - /* When remove hw vlan filter failed, record the vlan id, + /* when remove hw vlan filter failed, record the vlan id, * and try to remove it from hw later, to be consistence * with stack. */ @@ -1396,19 +1396,22 @@ static int hclgevf_reset_wait(struct hclgevf_dev *hdev) u32 val; int ret; - /* wait to check the hardware reset completion status */ - val = hclgevf_read_dev(&hdev->hw, HCLGEVF_RST_ING); - dev_info(&hdev->pdev->dev, "checking vf resetting status: %x\n", val); - if (hdev->reset_type == HNAE3_FLR_RESET) return hclgevf_flr_poll_timeout(hdev, HCLGEVF_RESET_WAIT_US, HCLGEVF_RESET_WAIT_CNT); - - ret = readl_poll_timeout(hdev->hw.io_base + HCLGEVF_RST_ING, val, - !(val & HCLGEVF_RST_ING_BITS), - HCLGEVF_RESET_WAIT_US, - HCLGEVF_RESET_WAIT_TIMEOUT_US); + else if (hdev->reset_type == HNAE3_VF_RESET) + ret = readl_poll_timeout(hdev->hw.io_base + + HCLGEVF_VF_RST_ING, val, + !(val & HCLGEVF_VF_RST_ING_BIT), + HCLGEVF_RESET_WAIT_US, + HCLGEVF_RESET_WAIT_TIMEOUT_US); + else + ret = readl_poll_timeout(hdev->hw.io_base + + HCLGEVF_RST_ING, val, + !(val & HCLGEVF_RST_ING_BITS), + HCLGEVF_RESET_WAIT_US, + HCLGEVF_RESET_WAIT_TIMEOUT_US); /* hardware completion status should be available by this time */ if (ret) { @@ -1426,6 +1429,20 @@ static int hclgevf_reset_wait(struct hclgevf_dev *hdev) return 0; } +static void hclgevf_reset_handshake(struct hclgevf_dev *hdev, bool enable) +{ + u32 reg_val; + + reg_val = hclgevf_read_dev(&hdev->hw, HCLGEVF_NIC_CSQ_DEPTH_REG); + if (enable) + reg_val |= HCLGEVF_NIC_SW_RST_RDY; + else + reg_val &= ~HCLGEVF_NIC_SW_RST_RDY; + + hclgevf_write_dev(&hdev->hw, HCLGEVF_NIC_CSQ_DEPTH_REG, + reg_val); +} + static int hclgevf_reset_stack(struct hclgevf_dev *hdev) { int ret; @@ -1448,7 +1465,14 @@ static int hclgevf_reset_stack(struct hclgevf_dev *hdev) if (ret) return ret; - return hclgevf_notify_client(hdev, HNAE3_RESTORE_CLIENT); + ret = hclgevf_notify_client(hdev, HNAE3_RESTORE_CLIENT); + if (ret) + return ret; + + /* clear handshake status with IMP */ + hclgevf_reset_handshake(hdev, false); + + return 0; } static int hclgevf_reset_prepare_wait(struct hclgevf_dev *hdev) @@ -1474,8 +1498,7 @@ static int hclgevf_reset_prepare_wait(struct hclgevf_dev *hdev) set_bit(HCLGEVF_STATE_CMD_DISABLE, &hdev->state); /* inform hardware that preparatory work is done */ msleep(HCLGEVF_RESET_SYNC_TIME); - hclgevf_write_dev(&hdev->hw, HCLGEVF_NIC_CSQ_DEPTH_REG, - HCLGEVF_NIC_CMQ_ENABLE); + hclgevf_reset_handshake(hdev, true); dev_info(&hdev->pdev->dev, "prepare reset(%d) wait done, ret:%d\n", hdev->reset_type, ret); @@ -1484,6 +1507,8 @@ static int hclgevf_reset_prepare_wait(struct hclgevf_dev *hdev) static void hclgevf_reset_err_handle(struct hclgevf_dev *hdev) { + /* recover handshake status with IMP when reset fail */ + hclgevf_reset_handshake(hdev, true); hdev->rst_stats.rst_fail_cnt++; dev_err(&hdev->pdev->dev, "failed to reset VF(%d)\n", hdev->rst_stats.rst_fail_cnt); @@ -1494,9 +1519,6 @@ static void hclgevf_reset_err_handle(struct hclgevf_dev *hdev) if (hclgevf_is_reset_pending(hdev)) { set_bit(HCLGEVF_RESET_PENDING, &hdev->reset_state); hclgevf_reset_task_schedule(hdev); - } else { - hclgevf_write_dev(&hdev->hw, HCLGEVF_NIC_CSQ_DEPTH_REG, - HCLGEVF_NIC_CMQ_ENABLE); } } @@ -1539,7 +1561,7 @@ static int hclgevf_reset(struct hclgevf_dev *hdev) rtnl_lock(); - /* now, re-initialize the nic client and ae device*/ + /* now, re-initialize the nic client and ae device */ ret = hclgevf_reset_stack(hdev); if (ret) { dev_err(&hdev->pdev->dev, "failed to reset VF stack\n"); @@ -1762,9 +1784,8 @@ static void hclgevf_reset_service_task(struct work_struct *work) * 1b and 2. cases but we will not get any intimation about 1a * from PF as cmdq would be in unreliable state i.e. mailbox * communication between PF and VF would be broken. - */ - - /* if we are never geting into pending state it means either: + * + * if we are never geting into pending state it means either: * 1. PF is not receiving our request which could be due to IMP * reset * 2. PF is screwed @@ -1867,29 +1888,45 @@ static void hclgevf_clear_event_cause(struct hclgevf_dev *hdev, u32 regclr) static enum hclgevf_evt_cause hclgevf_check_evt_cause(struct hclgevf_dev *hdev, u32 *clearval) { - u32 cmdq_src_reg, rst_ing_reg; + u32 val, cmdq_stat_reg, rst_ing_reg; /* fetch the events from their corresponding regs */ - cmdq_src_reg = hclgevf_read_dev(&hdev->hw, - HCLGEVF_VECTOR0_CMDQ_SRC_REG); + cmdq_stat_reg = hclgevf_read_dev(&hdev->hw, + HCLGEVF_VECTOR0_CMDQ_STAT_REG); - if (BIT(HCLGEVF_VECTOR0_RST_INT_B) & cmdq_src_reg) { + if (BIT(HCLGEVF_VECTOR0_RST_INT_B) & cmdq_stat_reg) { rst_ing_reg = hclgevf_read_dev(&hdev->hw, HCLGEVF_RST_ING); dev_info(&hdev->pdev->dev, "receive reset interrupt 0x%x!\n", rst_ing_reg); set_bit(HNAE3_VF_RESET, &hdev->reset_pending); set_bit(HCLGEVF_RESET_PENDING, &hdev->reset_state); set_bit(HCLGEVF_STATE_CMD_DISABLE, &hdev->state); - cmdq_src_reg &= ~BIT(HCLGEVF_VECTOR0_RST_INT_B); - *clearval = cmdq_src_reg; + *clearval = ~(1U << HCLGEVF_VECTOR0_RST_INT_B); hdev->rst_stats.vf_rst_cnt++; + /* set up VF hardware reset status, its PF will clear + * this status when PF has initialized done. + */ + val = hclgevf_read_dev(&hdev->hw, HCLGEVF_VF_RST_ING); + hclgevf_write_dev(&hdev->hw, HCLGEVF_VF_RST_ING, + val | HCLGEVF_VF_RST_ING_BIT); return HCLGEVF_VECTOR0_EVENT_RST; } /* check for vector0 mailbox(=CMDQ RX) event source */ - if (BIT(HCLGEVF_VECTOR0_RX_CMDQ_INT_B) & cmdq_src_reg) { - cmdq_src_reg &= ~BIT(HCLGEVF_VECTOR0_RX_CMDQ_INT_B); - *clearval = cmdq_src_reg; + if (BIT(HCLGEVF_VECTOR0_RX_CMDQ_INT_B) & cmdq_stat_reg) { + /* for revision 0x21, clearing interrupt is writing bit 0 + * to the clear register, writing bit 1 means to keep the + * old value. + * for revision 0x20, the clear register is a read & write + * register, so we should just write 0 to the bit we are + * handling, and keep other bits as cmdq_stat_reg. + */ + if (hdev->pdev->revision >= 0x21) + *clearval = ~(1U << HCLGEVF_VECTOR0_RX_CMDQ_INT_B); + else + *clearval = cmdq_stat_reg & + ~BIT(HCLGEVF_VECTOR0_RX_CMDQ_INT_B); + return HCLGEVF_VECTOR0_EVENT_MBX; } @@ -2265,7 +2302,7 @@ static void hclgevf_uninit_msi(struct hclgevf_dev *hdev) static int hclgevf_misc_irq_init(struct hclgevf_dev *hdev) { - int ret = 0; + int ret; hclgevf_get_misc_vector(hdev); @@ -2695,7 +2732,8 @@ static int hclgevf_init_hdev(struct hclgevf_dev *hdev) } hdev->last_reset_time = jiffies; - pr_info("finished initializing %s driver\n", HCLGEVF_DRIVER_NAME); + dev_info(&hdev->pdev->dev, "finished initializing %s driver\n", + HCLGEVF_DRIVER_NAME); return 0; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h index 5a9e30998a8f..bdde3afc286b 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h @@ -87,6 +87,8 @@ /* Vector0 interrupt CMDQ event source register(RW) */ #define HCLGEVF_VECTOR0_CMDQ_SRC_REG 0x27100 +/* Vector0 interrupt CMDQ event status register(RO) */ +#define HCLGEVF_VECTOR0_CMDQ_STAT_REG 0x27104 /* CMDQ register bits for RX event(=MBX event) */ #define HCLGEVF_VECTOR0_RX_CMDQ_INT_B 1 /* RST register bits for RESET event */ @@ -103,6 +105,9 @@ (HCLGEVF_FUN_RST_ING_BIT | HCLGEVF_GLOBAL_RST_ING_BIT | \ HCLGEVF_CORE_RST_ING_BIT | HCLGEVF_IMP_RST_ING_BIT) +#define HCLGEVF_VF_RST_ING 0x07008 +#define HCLGEVF_VF_RST_ING_BIT BIT(16) + #define HCLGEVF_RSS_IND_TBL_SIZE 512 #define HCLGEVF_RSS_SET_BITMAP_MSK 0xffff #define HCLGEVF_RSS_KEY_SIZE 40 @@ -120,7 +125,7 @@ #define HCLGEVF_S_IP_BIT BIT(3) #define HCLGEVF_V_TAG_BIT BIT(4) -#define HCLGEVF_STATS_TIMER_INTERVAL (36) +#define HCLGEVF_STATS_TIMER_INTERVAL 36U enum hclgevf_evt_cause { HCLGEVF_VECTOR0_EVENT_RST, diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c index 6a96987bd8f0..a108191c9e50 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c @@ -277,9 +277,9 @@ void hclgevf_mbx_async_handler(struct hclgevf_dev *hdev) switch (msg_q[0]) { case HCLGE_MBX_LINK_STAT_CHANGE: - link_status = le16_to_cpu(msg_q[1]); + link_status = msg_q[1]; memcpy(&speed, &msg_q[2], sizeof(speed)); - duplex = (u8)le16_to_cpu(msg_q[4]); + duplex = (u8)msg_q[4]; /* update upper layer with new link link status */ hclgevf_update_link_status(hdev, link_status); @@ -287,7 +287,7 @@ void hclgevf_mbx_async_handler(struct hclgevf_dev *hdev) break; case HCLGE_MBX_LINK_STAT_MODE: - idx = (u8)le16_to_cpu(msg_q[1]); + idx = (u8)msg_q[1]; if (idx) memcpy(&hdev->hw.mac.supported, &msg_q[2], sizeof(unsigned long)); @@ -301,14 +301,14 @@ void hclgevf_mbx_async_handler(struct hclgevf_dev *hdev) * has been completely reset. After this stack should * eventually be re-initialized. */ - reset_type = le16_to_cpu(msg_q[1]); + reset_type = (enum hnae3_reset_type)msg_q[1]; set_bit(reset_type, &hdev->reset_pending); set_bit(HCLGEVF_RESET_PENDING, &hdev->reset_state); hclgevf_reset_task_schedule(hdev); break; case HCLGE_MBX_PUSH_VLAN_INFO: - state = le16_to_cpu(msg_q[1]); + state = msg_q[1]; vlan_info = &msg_q[1]; hclgevf_update_port_base_vlan_info(hdev, state, (u8 *)vlan_info, 8); |