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path: root/hw/rdma/rdma_rm.h
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2021-11-02qapi: introduce x-query-rdma QMP commandDaniel P. Berrangé1-1/+1
This is a counterpart to the HMP "info rdma" command. It is being added with an "x-" prefix because this QMP command is intended as an adhoc debugging tool and will thus not be modelled in QAPI as fully structured data, nor will it have long term guaranteed stability. The existing HMP command is rewritten to call the QMP command. Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2019-05-04hw/rdma: Modify create/destroy QP to support SRQKamal Heib1-1/+2
Modify create/destroy QP to support shared receive queue and rearrange the destroy_qp() code to avoid touching the QP after calling rdma_rm_dealloc_qp(). Signed-off-by: Kamal Heib <kamalheib1@gmail.com> Message-Id: <20190403113343.26384-4-kamalheib1@gmail.com> Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com> Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
2019-05-04hw/rdma: Add support for managing SRQ resourceKamal Heib1-0/+10
Adding the required functions and definitions for support managing the shared receive queues (SRQs). Signed-off-by: Kamal Heib <kamalheib1@gmail.com> Message-Id: <20190403113343.26384-3-kamalheib1@gmail.com> Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com> Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
2019-03-16{hmp, hw/pvrdma}: Expose device internals via monitor interfaceYuval Shaia1-0/+1
Allow interrogating device internals through HMP interface. The exposed indicators can be used for troubleshooting by developers or sysadmin. There is no need to expose these attributes to a management system (e.x. libvirt) because (1) most of them are not "device-management' related info and (2) there is no guarantee the interface is stable. Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com> Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Acked-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1552300155-25216-6-git-send-email-yuval.shaia@oracle.com> Reviewed-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com> Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
2019-03-16hw/rdma: Switch to generic error reporting wayYuval Shaia1-5/+5
Utilize error_report for all pr_err calls and some pr_dbg that are considered as errors. For the remaining pr_dbg calls, the important ones were replaced by trace points while other deleted. Some of the functions got renamed to include prefix "rdma/pvrdma" in the function name. Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com> Reviewed-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com> Message-Id: <1552300155-25216-2-git-send-email-yuval.shaia@oracle.com> Reviewed-by: Kamal Heib <kamalheib1@gmail.com> Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
2018-12-22hw/rdma: Remove unneeded code that handles more that one portYuval Shaia1-1/+1
Device supports only one port, let's remove a dead code that handles more than one port. Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com> Reviewed-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com> Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
2018-12-22hw/pvrdma: Add support to allow guest to configure GID tableYuval Shaia1-2/+15
The control over the RDMA device's GID table is done by updating the device's Ethernet function addresses. Usually the first GID entry is determined by the MAC address, the second by the first IPv6 address and the third by the IPv4 address. Other entries can be added by adding more IP addresses. The opposite is the same, i.e. whenever an address is removed, the corresponding GID entry is removed. The process is done by the network and RDMA stacks. Whenever an address is added the ib_core driver is notified and calls the device driver add_gid function which in turn update the device. To support this in pvrdma device we need to hook into the create_bind and destroy_bind HW commands triggered by pvrdma driver in guest. Whenever a change is made to the pvrdma port's GID table a special QMP message is sent to be processed by libvirt to update the address of the backend Ethernet device. Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com> Reviewed-by: Marcel Apfelbaum<marcel.apfelbaum@gmail.com> Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
2018-03-23rdma: fix up include directivesMichael S. Tsirkin1-1/+1
Our rule right now is to use <> for external headers only. RDMA code violates that, fix it up. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Marcel Apfelbaum <marcel@redhat.com> Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
2018-03-23hw/rdma: Add Query QP operationYuval Shaia1-0/+3
This operation is needed by rdma devices - implement it. Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com> Reviewed-by: Marcel Apfelbaum <marcel@redhat.com> Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
2018-02-19hw/rdma: Implementation of generic rdma device layersYuval Shaia1-0/+69
This layer is composed of two sub-modules, backend and resource manager. Backend sub-module is responsible for all the interaction with IB layers such as ibverbs and umad (external libraries). Resource manager is a collection of functions and structures to manage RDMA resources such as QPs, CQs and MRs. Reviewed-by: Dotan Barak <dotanb@mellanox.com> Reviewed-by: Zhu Yanjun <yanjun.zhu@oracle.com> Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com> Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
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