On 12/30/2015 10:23 AM, Matan Barak wrote:
int mlx4_CONFIG_DEV_wrapper(struct mlx4_dev *dev, int slave,
struct mlx4_vhcr *vhcr,
struct mlx4_cmd_mailbox *inbox,
struct mlx4_cmd_mailbox *outbox,
struct mlx4_cmd_info *cmd)
{
int err;
u8 get = vhcr->op_modifier;
if (get != 1)
return -EPERM;
err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
return err;
}
Only "get" is permitted in multi-function setups.
good, thanks for clarifying this out.
Anyway, mlx4_config_roce_v2_port is not called for these setups
because of this condition:
if (mlx4_is_mfunc(dev)) {
dev->caps.flags &= ~MLX4_DEV_CAP_FLAG_SENSE_SUPPORT;
dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_ROCE_V1_V2;
mlx4_dbg(dev, "RoCE V2 is not supported when SR-IOV is enabled\n");
}
wrong again, you assume your Linux VF driver, but the VM can run other
driver.
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