This patch mainly set mtu and gid resource. These resource will be used to set up network transmission in nodes.
Signed-off-by: Wei Hu <xavier.hu...@huawei.com> Signed-off-by: Nenglong Zhao <zhaonengl...@hisilicon.com> Signed-off-by: Lijun Ou <ouli...@huawei.com> --- drivers/infiniband/hw/hns/hns_roce_common.h | 16 ++++ drivers/infiniband/hw/hns/hns_roce_device.h | 14 ++++ drivers/infiniband/hw/hns/hns_roce_hw_v1.c | 64 +++++++++++++++ drivers/infiniband/hw/hns/hns_roce_hw_v1.h | 1 + drivers/infiniband/hw/hns/hns_roce_main.c | 123 ++++++++++++++++++++++++++++ 5 files changed, 218 insertions(+) diff --git a/drivers/infiniband/hw/hns/hns_roce_common.h b/drivers/infiniband/hw/hns/hns_roce_common.h index d9c5fda..45b5804 100644 --- a/drivers/infiniband/hw/hns/hns_roce_common.h +++ b/drivers/infiniband/hw/hns/hns_roce_common.h @@ -133,6 +133,14 @@ #define ROCEE_BT_CMD_H_ROCEE_BT_CMD_HW_SYNS_S 31 +#define ROCEE_SMAC_H_ROCEE_SMAC_H_S 0 +#define ROCEE_SMAC_H_ROCEE_SMAC_H_M \ + (((1UL << 16) - 1) << ROCEE_SMAC_H_ROCEE_SMAC_H_S) + +#define ROCEE_SMAC_H_ROCEE_PORT_MTU_S 16 +#define ROCEE_SMAC_H_ROCEE_PORT_MTU_M \ + (((1UL << 4) - 1) << ROCEE_SMAC_H_ROCEE_PORT_MTU_S) + #define ROCEE_CAEP_AEQC_AEQE_SHIFT_CAEP_AEQC_STATE_S 0 #define ROCEE_CAEP_AEQC_AEQE_SHIFT_CAEP_AEQC_STATE_M \ (((1UL << 2) - 1) << ROCEE_CAEP_AEQC_AEQE_SHIFT_CAEP_AEQC_STATE_S) @@ -173,8 +181,16 @@ #define ROCEE_SYS_IMAGE_GUID_L_REG 0xC #define ROCEE_SYS_IMAGE_GUID_H_REG 0x10 +#define ROCEE_PORT_GID_L_0_REG 0x50 +#define ROCEE_PORT_GID_ML_0_REG 0x54 +#define ROCEE_PORT_GID_MH_0_REG 0x58 +#define ROCEE_PORT_GID_H_0_REG 0x5C + #define ROCEE_BT_CMD_H_REG 0x204 +#define ROCEE_SMAC_L_0_REG 0x240 +#define ROCEE_SMAC_H_0_REG 0x244 + #define ROCEE_CAEP_AEQE_CONS_IDX_REG 0x3AC #define ROCEE_CAEP_CEQC_CONS_IDX_0_REG 0x3BC diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h index 9844cd0..722870d 100644 --- a/drivers/infiniband/hw/hns/hns_roce_device.h +++ b/drivers/infiniband/hw/hns/hns_roce_device.h @@ -21,6 +21,8 @@ #define DRV_NAME "hns_roce" +#define MAC_ADDR_OCTET_NUM 6 + #define HNS_ROCE_BA_SIZE (32 * 4096) #define HNS_ROCE_MAX_IRQ_NUM 34 @@ -31,6 +33,9 @@ #define HNS_ROCE_AEQE_VEC_NUM 1 #define HNS_ROCE_AEQE_OF_VEC_NUM 1 +#define HNS_ROCE_MAX_PORTS 6 +#define HNS_ROCE_MAX_GID_NUM 16 + #define ADDR_SHIFT_12 12 #define ADDR_SHIFT_32 32 #define ADDR_SHIFT_44 44 @@ -237,6 +242,8 @@ struct hns_roce_qp { struct hns_roce_ib_iboe { struct net_device *netdevs[HNS_ROCE_MAX_PORTS]; + /* 16 GID is shared by 6 port in v1 engine. */ + union ib_gid gid_table[HNS_ROCE_MAX_GID_NUM]; u8 phy_port[HNS_ROCE_MAX_PORTS]; }; @@ -311,6 +318,11 @@ struct hns_roce_hw { void (*hw_profile)(struct hns_roce_dev *hr_dev); int (*hw_init)(struct hns_roce_dev *hr_dev); void (*hw_uninit)(struct hns_roce_dev *hr_dev); + void (*set_gid)(struct hns_roce_dev *hr_dev, u8 port, int gid_index, + union ib_gid *gid); + void (*set_mac)(struct hns_roce_dev *hr_dev, u8 phy_port, u8 *addr); + void (*set_mtu)(struct hns_roce_dev *hr_dev, u8 phy_port, + enum ib_mtu mtu); void *priv; }; @@ -328,6 +340,7 @@ struct hns_roce_dev { struct hns_roce_caps caps; struct radix_tree_root qp_table_tree; + unsigned char dev_addr[HNS_ROCE_MAX_PORTS][MAC_ADDR_OCTET_NUM]; u64 fw_ver; u64 sys_image_guid; u32 vendor_id; @@ -397,6 +410,7 @@ void hns_roce_bitmap_free_range(struct hns_roce_bitmap *bitmap, void hns_roce_cq_completion(struct hns_roce_dev *hr_dev, u32 cqn); void hns_roce_cq_event(struct hns_roce_dev *hr_dev, u32 cqn, int event_type); void hns_roce_qp_event(struct hns_roce_dev *hr_dev, u32 qpn, int event_type); +int hns_get_gid_index(struct hns_roce_dev *hr_dev, u8 port, int gid_index); extern struct hns_roce_hw hns_roce_hw_v1; diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c index 491b5cb..6f0f463 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c @@ -601,9 +601,73 @@ void hns_roce_v1_uninit(struct hns_roce_dev *hr_dev) hns_roce_db_free(hr_dev); } +void hns_roce_v1_set_gid(struct hns_roce_dev *hr_dev, u8 port, int gid_index, + union ib_gid *gid) +{ + u32 *p = NULL; + u8 gid_idx = 0; + + gid_idx = hns_get_gid_index(hr_dev, port, gid_index); + + p = (u32 *)&gid->raw[0]; + roce_raw_write(*p, hr_dev->reg_base + ROCEE_PORT_GID_L_0_REG + + (HNS_ROCE_V1_GID_NUM * gid_idx)); + + p = (u32 *)&gid->raw[4]; + roce_raw_write(*p, hr_dev->reg_base + ROCEE_PORT_GID_ML_0_REG + + (HNS_ROCE_V1_GID_NUM * gid_idx)); + + p = (u32 *)&gid->raw[8]; + roce_raw_write(*p, hr_dev->reg_base + ROCEE_PORT_GID_MH_0_REG + + (HNS_ROCE_V1_GID_NUM * gid_idx)); + + p = (u32 *)&gid->raw[0xc]; + roce_raw_write(*p, hr_dev->reg_base + ROCEE_PORT_GID_H_0_REG + + (HNS_ROCE_V1_GID_NUM * gid_idx)); +} + +void hns_roce_v1_set_mac(struct hns_roce_dev *hr_dev, u8 phy_port, u8 *addr) +{ + u32 reg_smac_l; + u16 reg_smac_h; + u16 *p_h; + u32 *p; + u32 val; + + p = (u32 *)(&addr[0]); + reg_smac_l = *p; + roce_raw_write(reg_smac_l, hr_dev->reg_base + ROCEE_SMAC_L_0_REG + + PHY_PORT_OFFSET * phy_port); + + val = roce_readl(hr_dev->reg_base + ROCEE_SMAC_H_0_REG + + phy_port * PHY_PORT_OFFSET); + p_h = (u16 *)(&addr[4]); + reg_smac_h = *p_h; + roce_set_field(val, ROCEE_SMAC_H_ROCEE_SMAC_H_M, + ROCEE_SMAC_H_ROCEE_SMAC_H_S, reg_smac_h); + roce_writel(val, hr_dev->reg_base + ROCEE_SMAC_H_0_REG + + phy_port * PHY_PORT_OFFSET); +} + +void hns_roce_v1_set_mtu(struct hns_roce_dev *hr_dev, u8 phy_port, + enum ib_mtu mtu) +{ + u32 val; + + val = roce_readl(hr_dev->reg_base + ROCEE_SMAC_H_0_REG + + phy_port * PHY_PORT_OFFSET); + roce_set_field(val, ROCEE_SMAC_H_ROCEE_PORT_MTU_M, + ROCEE_SMAC_H_ROCEE_PORT_MTU_S, mtu); + roce_writel(val, hr_dev->reg_base + ROCEE_SMAC_H_0_REG + + phy_port * PHY_PORT_OFFSET); +} + struct hns_roce_hw hns_roce_hw_v1 = { .reset = hns_roce_v1_reset, .hw_profile = hns_roce_v1_profile, .hw_init = hns_roce_v1_init, .hw_uninit = hns_roce_v1_uninit, + .set_gid = hns_roce_v1_set_gid, + .set_mac = hns_roce_v1_set_mac, + .set_mtu = hns_roce_v1_set_mtu, }; diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.h b/drivers/infiniband/hw/hns/hns_roce_hw_v1.h index 7188381..8ffcf4a 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.h +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.h @@ -84,6 +84,7 @@ #define HNS_ROCE_ODB_EXTEND_MODE 1 +#define PHY_PORT_OFFSET 0x8 #define ALL_PORT_VAL_OPEN 0x3f #define POL_TIME_INTERVAL_VAL 0x80 #define SLEEP_TIME_INTERVAL 20 diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c index e2576c4..6c43771 100644 --- a/drivers/infiniband/hw/hns/hns_roce_main.c +++ b/drivers/infiniband/hw/hns/hns_roce_main.c @@ -43,6 +43,118 @@ #include "hns_roce_device.h" #include "hns_roce_icm.h" +/** + * hns_get_gid_index - Get gid index. + * @hr_dev: pointer to structure hns_roce_dev. + * @port: port, value range: 0 ~ MAX + * @gid_index: gid_index, value range: 0 ~ MAX + * Description: + * N ports shared gids, allocation method as follow: + * GID[0][0], GID[1][0],.....GID[N - 1][0], + * GID[0][0], GID[1][0],.....GID[N - 1][0], + * And so on + */ +int hns_get_gid_index(struct hns_roce_dev *hr_dev, u8 port, int gid_index) +{ + return gid_index * hr_dev->caps.num_ports + port; +} + +int hns_roce_set_gid(struct hns_roce_dev *hr_dev, u8 port, int gid_index, + union ib_gid *gid) +{ + struct device *dev = &hr_dev->pdev->dev; + u8 gid_idx = 0; + + if (gid_index >= hr_dev->caps.gid_table_len[port]) { + dev_err(dev, "gid_index %d illegal, port %d gid range: 0~%d\n", + gid_index, port, hr_dev->caps.gid_table_len[port] - 1); + return -EINVAL; + } + + gid_idx = hns_get_gid_index(hr_dev, port, gid_index); + + if (!memcmp(gid, &hr_dev->iboe.gid_table[gid_idx], sizeof(*gid))) + return -EINVAL; + + memcpy(&hr_dev->iboe.gid_table[gid_idx], gid, sizeof(*gid)); + + hr_dev->hw->set_gid(hr_dev, port, gid_index, gid); + + return 0; +} + +void hns_roce_set_mac(struct hns_roce_dev *hr_dev, u8 port, u8 *addr) +{ + u8 phy_port; + u32 i = 0; + + if (!memcmp(hr_dev->dev_addr[port], addr, MAC_ADDR_OCTET_NUM)) + return; + + for (i = 0; i < MAC_ADDR_OCTET_NUM; i++) + hr_dev->dev_addr[port][i] = addr[i]; + + phy_port = hr_dev->iboe.phy_port[port]; + hr_dev->hw->set_mac(hr_dev, phy_port, addr); +} + +void hns_roce_set_mtu(struct hns_roce_dev *hr_dev, u8 port, int mtu) +{ + u8 phy_port = hr_dev->iboe.phy_port[port]; + enum ib_mtu tmp; + + tmp = iboe_get_mtu(mtu); + if (!tmp) + tmp = IB_MTU_256; + + hr_dev->hw->set_mtu(hr_dev, phy_port, tmp); +} + +void hns_roce_update_gids(struct hns_roce_dev *hr_dev, int port) +{ + struct ib_event event; + + /* Refresh gid in ib_cache */ + event.device = &hr_dev->ib_dev; + event.element.port_num = port + 1; + event.event = IB_EVENT_GID_CHANGE; + ib_dispatch_event(&event); +} + +int hns_roce_setup_mtu_gids(struct hns_roce_dev *hr_dev) +{ + struct in_ifaddr *ifa_list = NULL; + union ib_gid gid = {{0} }; + u32 ipaddr = 0; + int index = 0; + int ret = 0; + u8 i = 0; + + for (i = 0; i < hr_dev->caps.num_ports; i++) { + hns_roce_set_mtu(hr_dev, i, + ib_mtu_enum_to_int(hr_dev->caps.max_mtu)); + hns_roce_set_mac(hr_dev, i, hr_dev->iboe.netdevs[i]->dev_addr); + + if (hr_dev->iboe.netdevs[i]->ip_ptr) { + ifa_list = hr_dev->iboe.netdevs[i]->ip_ptr->ifa_list; + index = 1; + while (ifa_list) { + ipaddr = ifa_list->ifa_address; + ipv6_addr_set_v4mapped(ipaddr, + (struct in6_addr *)&gid); + ret = hns_roce_set_gid(hr_dev, i, index, &gid); + if (ret) + break; + index++; + ifa_list = ifa_list->ifa_next; + } + hns_roce_update_gids(hr_dev, i); + } + } + + return ret; +} + void hns_roce_unregister_device(struct hns_roce_dev *hr_dev) { ib_unregister_device(&hr_dev->ib_dev); @@ -75,7 +187,18 @@ int hns_roce_register_device(struct hns_roce_dev *hr_dev) return ret; } + ret = hns_roce_setup_mtu_gids(hr_dev); + if (ret) { + dev_err(dev, "roce_setup_mtu_gids failed!\n"); + goto _error_failed_setup_mtu_gids; + } + return 0; + +_error_failed_setup_mtu_gids: + ib_unregister_device(ib_dev); + + return ret; } -- 1.9.1