On Tue, Feb 26, 2019 at 11:18:57AM +0200, Gal Pressman wrote:
> Introduce a provider that exposes EFA devices to user applications via
> the verbs interface.
>
> Signed-off-by: Gal Pressman <galpress@xxxxxxxxxx>
> ---
> CMakeLists.txt | 1 +
> MAINTAINERS | 5 +
> README.md | 1 +
> debian/control | 9 +-
> debian/copyright | 4 +
> kernel-headers/CMakeLists.txt | 2 +
> kernel-headers/rdma/efa-abi.h | 129 ++++
> kernel-headers/rdma/rdma_user_ioctl_cmds.h | 1 +
> libibverbs/verbs.h | 1 +
> providers/efa/CMakeLists.txt | 4 +
> providers/efa/efa-abi.h | 56 ++
> providers/efa/efa.c | 155 ++++
> providers/efa/efa.h | 200 +++++
> providers/efa/efa_io_defs.h | 679 +++++++++++++++++
> providers/efa/verbs.c | 1142 ++++++++++++++++++++++++++++
> providers/efa/verbs.h | 72 ++
> redhat/rdma-core.spec | 3 +
> suse/rdma-core.spec | 2 +
> 18 files changed, 2463 insertions(+), 3 deletions(-)
> create mode 100644 kernel-headers/rdma/efa-abi.h
> create mode 100644 providers/efa/CMakeLists.txt
> create mode 100644 providers/efa/efa-abi.h
> create mode 100644 providers/efa/efa.c
> create mode 100644 providers/efa/efa.h
> create mode 100644 providers/efa/efa_io_defs.h
> create mode 100644 providers/efa/verbs.c
> create mode 100644 providers/efa/verbs.h
<...>
> +static inline unsigned long align(unsigned long val, unsigned long align)
> +{
> + return (val + align - 1) & ~(align - 1);
> +}
Don't we already have helper for that?
> +
> +static inline uint32_t align_up_queue_size(uint32_t req)
> +{
> + req--;
> + req |= req >> 1;
> + req |= req >> 2;
> + req |= req >> 4;
> + req |= req >> 8;
> + req |= req >> 16;
> + req++;
> + return req;
> +}
What did you want to achieve with this?
Thanks
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