diff options
Diffstat (limited to 'drivers/infiniband/hw/erdma')
| -rw-r--r-- | drivers/infiniband/hw/erdma/erdma_hw.h | 12 | ||||
| -rw-r--r-- | drivers/infiniband/hw/erdma/erdma_main.c | 20 |
2 files changed, 32 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/erdma/erdma_hw.h b/drivers/infiniband/hw/erdma/erdma_hw.h index 76ce2856be28..670796c22bcc 100644 --- a/drivers/infiniband/hw/erdma/erdma_hw.h +++ b/drivers/infiniband/hw/erdma/erdma_hw.h @@ -159,6 +159,7 @@ enum CMDQ_COMMON_OPCODE { CMDQ_OPCODE_DESTROY_EQ = 1, CMDQ_OPCODE_QUERY_FW_INFO = 2, CMDQ_OPCODE_CONF_MTU = 3, + CMDQ_OPCODE_CONF_DEVICE = 5, }; /* cmdq-SQE HDR */ @@ -196,6 +197,16 @@ struct erdma_cmdq_destroy_eq_req { u8 qtype; }; +/* config device cfg */ +#define ERDMA_CMD_CONFIG_DEVICE_PS_EN_MASK BIT(31) +#define ERDMA_CMD_CONFIG_DEVICE_PGSHIFT_MASK GENMASK(4, 0) + +struct erdma_cmdq_config_device_req { + u64 hdr; + u32 cfg; + u32 rsvd[5]; +}; + struct erdma_cmdq_config_mtu_req { u64 hdr; u32 mtu; @@ -329,6 +340,7 @@ struct erdma_cmdq_reflush_req { enum { ERDMA_DEV_CAP_FLAGS_ATOMIC = 1 << 7, + ERDMA_DEV_CAP_FLAGS_EXTEND_DB = 1 << 3, }; #define ERDMA_CMD_INFO0_FW_VER_MASK GENMASK_ULL(31, 0) diff --git a/drivers/infiniband/hw/erdma/erdma_main.c b/drivers/infiniband/hw/erdma/erdma_main.c index 7c74abeee864..525edea987b2 100644 --- a/drivers/infiniband/hw/erdma/erdma_main.c +++ b/drivers/infiniband/hw/erdma/erdma_main.c @@ -426,6 +426,22 @@ static int erdma_dev_attrs_init(struct erdma_dev *dev) return err; } +static int erdma_device_config(struct erdma_dev *dev) +{ + struct erdma_cmdq_config_device_req req = {}; + + if (!(dev->attrs.cap_flags & ERDMA_DEV_CAP_FLAGS_EXTEND_DB)) + return 0; + + erdma_cmdq_build_reqhdr(&req.hdr, CMDQ_SUBMOD_COMMON, + CMDQ_OPCODE_CONF_DEVICE); + + req.cfg = FIELD_PREP(ERDMA_CMD_CONFIG_DEVICE_PGSHIFT_MASK, PAGE_SHIFT) | + FIELD_PREP(ERDMA_CMD_CONFIG_DEVICE_PS_EN_MASK, 1); + + return erdma_post_cmd_wait(&dev->cmdq, &req, sizeof(req), NULL, NULL); +} + static int erdma_res_cb_init(struct erdma_dev *dev) { int i, j; @@ -512,6 +528,10 @@ static int erdma_ib_device_add(struct pci_dev *pdev) if (ret) return ret; + ret = erdma_device_config(dev); + if (ret) + return ret; + ibdev->node_type = RDMA_NODE_RNIC; memcpy(ibdev->node_desc, ERDMA_NODE_DESC, sizeof(ERDMA_NODE_DESC)); |