From 847d19a451465304f54d69b5be97baecc86c3617 Mon Sep 17 00:00:00 2001 From: Lang Cheng Date: Tue, 16 Mar 2021 16:09:21 +0800 Subject: RDMA/hns: Support to query firmware version Implement the ops named get_dev_fw_str to support ib_get_device_fw_str(). Link: https://lore.kernel.org/r/1615882161-53827-1-git-send-email-liweihang@huawei.com Signed-off-by: Lang Cheng Signed-off-by: Weihang Li Reviewed-by: Leon Romanovsky Signed-off-by: Jason Gunthorpe --- drivers/infiniband/hw/hns/hns_roce_main.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'drivers/infiniband') diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c index 1a747f700197..2b9e501e321e 100644 --- a/drivers/infiniband/hw/hns/hns_roce_main.c +++ b/drivers/infiniband/hw/hns/hns_roce_main.c @@ -394,6 +394,19 @@ static void hns_roce_disassociate_ucontext(struct ib_ucontext *ibcontext) { } +static void hns_roce_get_fw_ver(struct ib_device *device, char *str) +{ + u64 fw_ver = to_hr_dev(device)->caps.fw_ver; + unsigned int major, minor, sub_minor; + + major = upper_32_bits(fw_ver); + minor = high_16_bits(lower_32_bits(fw_ver)); + sub_minor = low_16_bits(fw_ver); + + snprintf(str, IB_FW_VERSION_NAME_MAX, "%u.%u.%04u", major, minor, + sub_minor); +} + static void hns_roce_unregister_device(struct hns_roce_dev *hr_dev) { struct hns_roce_ib_iboe *iboe = &hr_dev->iboe; @@ -409,6 +422,7 @@ static const struct ib_device_ops hns_roce_dev_ops = { .uverbs_abi_ver = 1, .uverbs_no_driver_id_binding = 1, + .get_dev_fw_str = hns_roce_get_fw_ver, .add_gid = hns_roce_add_gid, .alloc_pd = hns_roce_alloc_pd, .alloc_ucontext = hns_roce_alloc_ucontext, -- cgit v1.2.3-59-g8ed1b