| Message ID | 1536223798-21227-2-git-send-email-liuyixian@huawei.com (mailing list archive) |
|---|---|
| State | Changes Requested |
| Delegated to: | Jason Gunthorpe |
| Headers | show |
| Series | Add mw support for hip08 in user space | expand |
On Thu, Sep 06, 2018 at 04:49:56PM +0800, Yixian Liu wrote: > This patch adds memory window (mw) allocation support in > the user space driver. > > Signed-off-by: Yixian Liu <liuyixian@huawei.com> > providers/hns/hns_roce_u.c | 1 + > providers/hns/hns_roce_u.h | 2 ++ > providers/hns/hns_roce_u_verbs.c | 19 +++++++++++++++++++ > 3 files changed, 22 insertions(+) > > diff --git a/providers/hns/hns_roce_u.c b/providers/hns/hns_roce_u.c > index 7536646..dd0e8fb 100644 > +++ b/providers/hns/hns_roce_u.c > @@ -75,6 +75,7 @@ static const struct verbs_context_ops hns_common_ops = { > .query_qp = hns_roce_u_query_qp, > .reg_mr = hns_roce_u_reg_mr, > .rereg_mr = hns_roce_u_rereg_mr, > + .alloc_mw = hns_roce_u_alloc_mw, > }; This list is supposed to be sorted.. Jason
On 2018/9/7 2:40, Jason Gunthorpe wrote: > On Thu, Sep 06, 2018 at 04:49:56PM +0800, Yixian Liu wrote: >> This patch adds memory window (mw) allocation support in >> the user space driver. >> >> Signed-off-by: Yixian Liu <liuyixian@huawei.com> >> providers/hns/hns_roce_u.c | 1 + >> providers/hns/hns_roce_u.h | 2 ++ >> providers/hns/hns_roce_u_verbs.c | 19 +++++++++++++++++++ >> 3 files changed, 22 insertions(+) >> >> diff --git a/providers/hns/hns_roce_u.c b/providers/hns/hns_roce_u.c >> index 7536646..dd0e8fb 100644 >> +++ b/providers/hns/hns_roce_u.c >> @@ -75,6 +75,7 @@ static const struct verbs_context_ops hns_common_ops = { >> .query_qp = hns_roce_u_query_qp, >> .reg_mr = hns_roce_u_reg_mr, >> .rereg_mr = hns_roce_u_rereg_mr, >> + .alloc_mw = hns_roce_u_alloc_mw, >> }; > > This list is supposed to be sorted.. > > Jason > Thanks, will fix it next version.
diff --git a/providers/hns/hns_roce_u.c b/providers/hns/hns_roce_u.c index 7536646..dd0e8fb 100644 --- a/providers/hns/hns_roce_u.c +++ b/providers/hns/hns_roce_u.c @@ -75,6 +75,7 @@ static const struct verbs_context_ops hns_common_ops = { .query_qp = hns_roce_u_query_qp, .reg_mr = hns_roce_u_reg_mr, .rereg_mr = hns_roce_u_rereg_mr, + .alloc_mw = hns_roce_u_alloc_mw, }; static struct verbs_context *hns_roce_alloc_context(struct ibv_device *ibdev, diff --git a/providers/hns/hns_roce_u.h b/providers/hns/hns_roce_u.h index 6c56bee..f023b6a 100644 --- a/providers/hns/hns_roce_u.h +++ b/providers/hns/hns_roce_u.h @@ -275,6 +275,8 @@ int hns_roce_u_rereg_mr(struct verbs_mr *mr, int flags, struct ibv_pd *pd, void *addr, size_t length, int access); int hns_roce_u_dereg_mr(struct verbs_mr *mr); +struct ibv_mw *hns_roce_u_alloc_mw(struct ibv_pd *pd, enum ibv_mw_type type); + struct ibv_cq *hns_roce_u_create_cq(struct ibv_context *context, int cqe, struct ibv_comp_channel *channel, int comp_vector); diff --git a/providers/hns/hns_roce_u_verbs.c b/providers/hns/hns_roce_u_verbs.c index 14eeb5e..be14430 100644 --- a/providers/hns/hns_roce_u_verbs.c +++ b/providers/hns/hns_roce_u_verbs.c @@ -175,6 +175,25 @@ int hns_roce_u_dereg_mr(struct verbs_mr *vmr) return ret; } +struct ibv_mw *hns_roce_u_alloc_mw(struct ibv_pd *pd, enum ibv_mw_type type) +{ + struct ibv_mw *mw; + struct ibv_alloc_mw cmd = {}; + struct ib_uverbs_alloc_mw_resp resp = {}; + + mw = malloc(sizeof(*mw)); + if (!mw) + return NULL; + + if (ibv_cmd_alloc_mw(pd, type, mw, &cmd, sizeof(cmd), + &resp, sizeof(resp))) { + free(mw); + return NULL; + } + + return mw; +} + static int align_cq_size(int req) { int nent;
This patch adds memory window (mw) allocation support in the user space driver. Signed-off-by: Yixian Liu <liuyixian@huawei.com> --- providers/hns/hns_roce_u.c | 1 + providers/hns/hns_roce_u.h | 2 ++ providers/hns/hns_roce_u_verbs.c | 19 +++++++++++++++++++ 3 files changed, 22 insertions(+)