| Message ID | 1548590494-16684-1-git-send-email-yishaih@mellanox.com (mailing list archive) |
|---|---|
| Headers | show |
| Series | Expose PCI atomic capabilities | expand |
On 1/27/2019 2:01 PM, Yishai Hadas wrote: > This series from Michael exposes PCI atomic operations capabilities to user space > applications > > PCI atomic operations were first introduced in PCIe Base Specification 2.1. > > The supported operations are swap, fetch & add and compare & swap. Each > operation can be supported in a few different operation sizes therefore we > expose the capabilities in a bitmask of supported operation sizes per operation > type. > > Each device needs to enable the above PCI capabilities and report on to let > applications use them. The mlx5 driver exposes the capabilities by using the > DEVX interface. > > PR was sent: > https://github.com/linux-rdma/rdma-core/pull/458 > > Michael Guralnik (3): > mlx5: Infrastructure for building mailbox for devx > verbs: Expose PCI atomic operations capabilities in query_device_ex > mlx5: Report PCI atomic capabilities > > libibverbs/man/ibv_query_device_ex.3 | 17 ++++++ > libibverbs/verbs.h | 17 ++++++ > providers/mlx5/mlx5_ifc.h | 100 +++++++++++++++++++++++++++++++++++ > providers/mlx5/mlx5dv.h | 59 +++++++++++++++++++++ > providers/mlx5/verbs.c | 31 +++++++++++ > 5 files changed, 224 insertions(+) > create mode 100644 providers/mlx5/mlx5_ifc.h > The series was merged.