diff options
Diffstat (limited to 'drivers/infiniband/hw/erdma/erdma_main.c')
-rw-r--r-- | drivers/infiniband/hw/erdma/erdma_main.c | 53 |
1 files changed, 20 insertions, 33 deletions
diff --git a/drivers/infiniband/hw/erdma/erdma_main.c b/drivers/infiniband/hw/erdma/erdma_main.c index 7c74abeee864..0880c79a978c 100644 --- a/drivers/infiniband/hw/erdma/erdma_main.c +++ b/drivers/infiniband/hw/erdma/erdma_main.c @@ -130,33 +130,6 @@ static irqreturn_t erdma_comm_irq_handler(int irq, void *data) return IRQ_HANDLED; } -static void erdma_dwqe_resource_init(struct erdma_dev *dev) -{ - int total_pages, type0, type1; - - dev->attrs.grp_num = erdma_reg_read32(dev, ERDMA_REGS_GRP_NUM_REG); - - if (dev->attrs.grp_num < 4) - dev->attrs.disable_dwqe = true; - else - dev->attrs.disable_dwqe = false; - - /* One page contains 4 goups. */ - total_pages = dev->attrs.grp_num * 4; - - if (dev->attrs.grp_num >= ERDMA_DWQE_MAX_GRP_CNT) { - dev->attrs.grp_num = ERDMA_DWQE_MAX_GRP_CNT; - type0 = ERDMA_DWQE_TYPE0_CNT; - type1 = ERDMA_DWQE_TYPE1_CNT / ERDMA_DWQE_TYPE1_CNT_PER_PAGE; - } else { - type1 = total_pages / 3; - type0 = total_pages - type1 - 1; - } - - dev->attrs.dwqe_pages = type0; - dev->attrs.dwqe_entries = type1 * ERDMA_DWQE_TYPE1_CNT_PER_PAGE; -} - static int erdma_request_vectors(struct erdma_dev *dev) { int expect_irq_num = min(num_possible_cpus() + 1, ERDMA_NUM_MSIX_VEC); @@ -199,8 +172,6 @@ static int erdma_device_init(struct erdma_dev *dev, struct pci_dev *pdev) { int ret; - erdma_dwqe_resource_init(dev); - ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(ERDMA_PCI_WIDTH)); if (ret) @@ -426,6 +397,22 @@ 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 +499,10 @@ 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)); @@ -537,10 +528,6 @@ static int erdma_ib_device_add(struct pci_dev *pdev) if (ret) return ret; - spin_lock_init(&dev->db_bitmap_lock); - bitmap_zero(dev->sdb_page, ERDMA_DWQE_TYPE0_CNT); - bitmap_zero(dev->sdb_entry, ERDMA_DWQE_TYPE1_CNT); - atomic_set(&dev->num_ctx, 0); mac = erdma_reg_read32(dev, ERDMA_REGS_NETDEV_MAC_L_REG); |