diff options
| author | Wei Hu(Xavier) <xavier.huwei@huawei.com> | 2017-08-30 12:23:11 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2017-09-27 15:34:56 +0300 |
| commit | 7afddafa8403842a2dd50cd6c696a80b1f74a22f (patch) | |
| tree | e57c84a728668704edd258b3a8e4aee7b7b10636 /drivers/infiniband/hw/hns/hns_roce_pd.c | |
| parent | ff795f71787c945d6abb6eabe95475bf9cbd6083 (diff) | |
| download | linux-7afddafa8403842a2dd50cd6c696a80b1f74a22f.tar.xz | |
RDMA/hns: Configure mac&gid and user access region for hip08 RoCE driver
In hip08, the user access region(UAR) pfn is calculated
from pci device memory resource.
This patch mainly sets mac and gid table by configuring
the relevant registers and updates the uar pfn for hip08 SoC.
Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Shaobo Xu <xushaobo2@huawei.com>
Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/hns/hns_roce_pd.c')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_pd.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_pd.c b/drivers/infiniband/hw/hns/hns_roce_pd.c index 079bb10237cf..bdab2188c04a 100644 --- a/drivers/infiniband/hw/hns/hns_roce_pd.c +++ b/drivers/infiniband/hw/hns/hns_roce_pd.c @@ -31,6 +31,7 @@ */ #include <linux/platform_device.h> +#include <linux/pci.h> #include "hns_roce_device.h" static int hns_roce_pd_alloc(struct hns_roce_dev *hr_dev, unsigned long *pdn) @@ -111,12 +112,17 @@ int hns_roce_uar_alloc(struct hns_roce_dev *hr_dev, struct hns_roce_uar *uar) uar->index = (uar->index - 1) % (hr_dev->caps.phy_num_uars - 1) + 1; - res = platform_get_resource(hr_dev->pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&hr_dev->pdev->dev, "memory resource not found!\n"); - return -EINVAL; + if (!dev_is_pci(hr_dev->dev)) { + res = platform_get_resource(hr_dev->pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(&hr_dev->pdev->dev, "memory resource not found!\n"); + return -EINVAL; + } + uar->pfn = ((res->start) >> PAGE_SHIFT) + uar->index; + } else { + uar->pfn = ((pci_resource_start(hr_dev->pci_dev, 2)) + >> PAGE_SHIFT); } - uar->pfn = ((res->start) >> PAGE_SHIFT) + uar->index; return 0; } |