diff options
Diffstat (limited to 'drivers/infiniband/hw/hns/hns_roce_hem.c')
-rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hem.c | 76 |
1 files changed, 2 insertions, 74 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_hem.c b/drivers/infiniband/hw/hns/hns_roce_hem.c index d53d64362389..250d8f280390 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hem.c +++ b/drivers/infiniband/hw/hns/hns_roce_hem.c @@ -36,14 +36,10 @@ #include "hns_roce_hem.h" #include "hns_roce_common.h" -#define HW_SYNC_TIMEOUT_MSECS 500 -#define HW_SYNC_SLEEP_TIME_INTERVAL 20 - #define HNS_ROCE_HEM_ALLOC_SIZE (1 << 17) #define HNS_ROCE_TABLE_CHUNK_SIZE (1 << 17) #define DMA_ADDR_T_SHIFT 12 -#define BT_CMD_SYNC_SHIFT 31 #define BT_BA_SHIFT 32 struct hns_roce_hem *hns_roce_alloc_hem(struct hns_roce_dev *hr_dev, int npages, @@ -213,74 +209,6 @@ static int hns_roce_set_hem(struct hns_roce_dev *hr_dev, return ret; } -static int hns_roce_clear_hem(struct hns_roce_dev *hr_dev, - struct hns_roce_hem_table *table, - unsigned long obj) -{ - struct device *dev = &hr_dev->pdev->dev; - unsigned long end = 0; - unsigned long flags; - void __iomem *bt_cmd; - uint32_t bt_cmd_val[2]; - u32 bt_cmd_h_val = 0; - int ret = 0; - - switch (table->type) { - case HEM_TYPE_QPC: - roce_set_field(bt_cmd_h_val, ROCEE_BT_CMD_H_ROCEE_BT_CMD_MDF_M, - ROCEE_BT_CMD_H_ROCEE_BT_CMD_MDF_S, HEM_TYPE_QPC); - break; - case HEM_TYPE_MTPT: - roce_set_field(bt_cmd_h_val, ROCEE_BT_CMD_H_ROCEE_BT_CMD_MDF_M, - ROCEE_BT_CMD_H_ROCEE_BT_CMD_MDF_S, - HEM_TYPE_MTPT); - break; - case HEM_TYPE_CQC: - roce_set_field(bt_cmd_h_val, ROCEE_BT_CMD_H_ROCEE_BT_CMD_MDF_M, - ROCEE_BT_CMD_H_ROCEE_BT_CMD_MDF_S, HEM_TYPE_CQC); - break; - case HEM_TYPE_SRQC: - roce_set_field(bt_cmd_h_val, ROCEE_BT_CMD_H_ROCEE_BT_CMD_MDF_M, - ROCEE_BT_CMD_H_ROCEE_BT_CMD_MDF_S, - HEM_TYPE_SRQC); - break; - default: - return ret; - } - roce_set_field(bt_cmd_h_val, ROCEE_BT_CMD_H_ROCEE_BT_CMD_IN_MDF_M, - ROCEE_BT_CMD_H_ROCEE_BT_CMD_IN_MDF_S, obj); - roce_set_bit(bt_cmd_h_val, ROCEE_BT_CMD_H_ROCEE_BT_CMD_S, 0); - roce_set_bit(bt_cmd_h_val, ROCEE_BT_CMD_H_ROCEE_BT_CMD_HW_SYNS_S, 1); - roce_set_field(bt_cmd_h_val, ROCEE_BT_CMD_H_ROCEE_BT_CMD_BA_H_M, - ROCEE_BT_CMD_H_ROCEE_BT_CMD_BA_H_S, 0); - - spin_lock_irqsave(&hr_dev->bt_cmd_lock, flags); - - bt_cmd = hr_dev->reg_base + ROCEE_BT_CMD_H_REG; - - end = msecs_to_jiffies(HW_SYNC_TIMEOUT_MSECS) + jiffies; - while (1) { - if (readl(bt_cmd) >> BT_CMD_SYNC_SHIFT) { - if (!(time_before(jiffies, end))) { - dev_err(dev, "Write bt_cmd err,hw_sync is not zero.\n"); - spin_unlock_irqrestore(&hr_dev->bt_cmd_lock, - flags); - return -EBUSY; - } - } else { - break; - } - msleep(HW_SYNC_SLEEP_TIME_INTERVAL); - } - - bt_cmd_val[0] = 0; - bt_cmd_val[1] = bt_cmd_h_val; - hns_roce_write64_k(bt_cmd_val, hr_dev->reg_base + ROCEE_BT_CMD_L_REG); - spin_unlock_irqrestore(&hr_dev->bt_cmd_lock, flags); - - return ret; -} - int hns_roce_table_get(struct hns_roce_dev *hr_dev, struct hns_roce_hem_table *table, unsigned long obj) { @@ -333,7 +261,7 @@ void hns_roce_table_put(struct hns_roce_dev *hr_dev, if (--table->hem[i]->refcount == 0) { /* Clear HEM base address */ - if (hns_roce_clear_hem(hr_dev, table, obj)) + if (hr_dev->hw->clear_hem(hr_dev, table, obj)) dev_warn(dev, "Clear HEM base address failed.\n"); hns_roce_free_hem(hr_dev, table->hem[i]); @@ -456,7 +384,7 @@ void hns_roce_cleanup_hem_table(struct hns_roce_dev *hr_dev, for (i = 0; i < table->num_hem; ++i) if (table->hem[i]) { - if (hns_roce_clear_hem(hr_dev, table, + if (hr_dev->hw->clear_hem(hr_dev, table, i * HNS_ROCE_TABLE_CHUNK_SIZE / table->obj_size)) dev_err(dev, "Clear HEM base address failed.\n"); |