diff options
| author |   Lang Cheng <chenglang@huawei.com> | 2021-08-21 17:53:25 +0800 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@nvidia.com> | 2021-08-23 13:45:11 -0300 |
| commit | 0110a1ed0e8084f928170e055c87f4f046206908 (patch) | |
| tree | 061a56406882f5a3d647e4e1148bb5a036352843 /drivers/infiniband/hw | |
| parent | RDMA: switch from 'pci_' to 'dma_' API (diff) | |
| download | linux-dev-0110a1ed0e8084f928170e055c87f4f046206908.tar.xz linux-dev-0110a1ed0e8084f928170e055c87f4f046206908.zip | |
RDMA/hns: Remove unsupport cmdq mode
CMDQ support un-interrupt mode only, and firmware ignores this mode flag,
so remove it.
Fixes: a04ff739f2a9 ("RDMA/hns: Add command queue support for hip08 RoCE driver")
Link: https://lore.kernel.org/r/1629539607-33217-2-git-send-email-liangwenpeng@huawei.com
Signed-off-by: Lang Cheng <chenglang@huawei.com>
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/hw')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 21 | ||||
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hw_v2.h | 20 |
2 files changed, 14 insertions, 27 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index 594d4cef31b3..a1fb903a948d 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -1248,8 +1248,7 @@ static void hns_roce_cmq_setup_basic_desc(struct hns_roce_cmq_desc *desc, { memset((void *)desc, 0, sizeof(struct hns_roce_cmq_desc)); desc->opcode = cpu_to_le16(opcode); - desc->flag = - cpu_to_le16(HNS_ROCE_CMD_FLAG_NO_INTR | HNS_ROCE_CMD_FLAG_IN); + desc->flag = cpu_to_le16(HNS_ROCE_CMD_FLAG_IN); if (is_read) desc->flag |= cpu_to_le16(HNS_ROCE_CMD_FLAG_WR); else @@ -1288,16 +1287,11 @@ static int __hns_roce_cmq_send(struct hns_roce_dev *hr_dev, /* Write to hardware */ roce_write(hr_dev, ROCEE_TX_CMQ_PI_REG, csq->head); - /* If the command is sync, wait for the firmware to write back, - * if multi descriptors to be sent, use the first one to check - */ - if (le16_to_cpu(desc->flag) & HNS_ROCE_CMD_FLAG_NO_INTR) { - do { - if (hns_roce_cmq_csq_done(hr_dev)) - break; - udelay(1); - } while (++timeout < priv->cmq.tx_timeout); - } + do { + if (hns_roce_cmq_csq_done(hr_dev)) + break; + udelay(1); + } while (++timeout < priv->cmq.tx_timeout); if (hns_roce_cmq_csq_done(hr_dev)) { for (ret = 0, i = 0; i < num; i++) { @@ -1761,8 +1755,7 @@ static int __hns_roce_set_vf_switch_param(struct hns_roce_dev *hr_dev, if (ret) return ret; - desc.flag = - cpu_to_le16(HNS_ROCE_CMD_FLAG_NO_INTR | HNS_ROCE_CMD_FLAG_IN); + desc.flag = cpu_to_le16(HNS_ROCE_CMD_FLAG_IN); desc.flag &= cpu_to_le16(~HNS_ROCE_CMD_FLAG_WR); roce_set_bit(swt->cfg, VF_SWITCH_DATA_CFG_ALW_LPBK_S, 1); roce_set_bit(swt->cfg, VF_SWITCH_DATA_CFG_ALW_LCL_LPBK_S, 0); diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h index b8a09d411e2e..54c1223d63d8 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h @@ -129,19 +129,13 @@ #define HNS_ROCE_V2_TABLE_CHUNK_SIZE (1 << 18) -#define HNS_ROCE_CMD_FLAG_IN_VALID_SHIFT 0 -#define HNS_ROCE_CMD_FLAG_OUT_VALID_SHIFT 1 -#define HNS_ROCE_CMD_FLAG_NEXT_SHIFT 2 -#define HNS_ROCE_CMD_FLAG_WR_OR_RD_SHIFT 3 -#define HNS_ROCE_CMD_FLAG_NO_INTR_SHIFT 4 -#define HNS_ROCE_CMD_FLAG_ERR_INTR_SHIFT 5 - -#define HNS_ROCE_CMD_FLAG_IN BIT(HNS_ROCE_CMD_FLAG_IN_VALID_SHIFT) -#define HNS_ROCE_CMD_FLAG_OUT BIT(HNS_ROCE_CMD_FLAG_OUT_VALID_SHIFT) -#define HNS_ROCE_CMD_FLAG_NEXT BIT(HNS_ROCE_CMD_FLAG_NEXT_SHIFT) -#define HNS_ROCE_CMD_FLAG_WR BIT(HNS_ROCE_CMD_FLAG_WR_OR_RD_SHIFT) -#define HNS_ROCE_CMD_FLAG_NO_INTR BIT(HNS_ROCE_CMD_FLAG_NO_INTR_SHIFT) -#define HNS_ROCE_CMD_FLAG_ERR_INTR BIT(HNS_ROCE_CMD_FLAG_ERR_INTR_SHIFT) +enum { + HNS_ROCE_CMD_FLAG_IN = BIT(0), + HNS_ROCE_CMD_FLAG_OUT = BIT(1), + HNS_ROCE_CMD_FLAG_NEXT = BIT(2), + HNS_ROCE_CMD_FLAG_WR = BIT(3), + HNS_ROCE_CMD_FLAG_ERR_INTR = BIT(5), +}; #define HNS_ROCE_CMQ_DESC_NUM_S 3 |