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15 Commits

Author SHA1 Message Date
Peter Zijlstra
cdd30ebb1b module: Convert symbol namespace to string literal 
Clean up the existing export namespace code along the same lines of
commit 33def8498f ("treewide: Convert macro and uses of __section(foo)
to __section("foo")") and for the same reason, it is not desired for the
namespace argument to be a macro expansion itself.

Scripted using

  git grep -l -e MODULE_IMPORT_NS -e EXPORT_SYMBOL_NS | while read file;
  do
    awk -i inplace '
      /^#define EXPORT_SYMBOL_NS/ {
        gsub(/__stringify\(ns\)/, "ns");
        print;
        next;
      }
      /^#define MODULE_IMPORT_NS/ {
        gsub(/__stringify\(ns\)/, "ns");
        print;
        next;
      }
      /MODULE_IMPORT_NS/ {
        $0 = gensub(/MODULE_IMPORT_NS\(([^)]*)\)/, "MODULE_IMPORT_NS(\"\\1\")", "g");
      }
      /EXPORT_SYMBOL_NS/ {
        if ($0 ~ /(EXPORT_SYMBOL_NS[^(]*)\(([^,]+),/) {
  	if ($0 !~ /(EXPORT_SYMBOL_NS[^(]*)\(([^,]+), ([^)]+)\)/ &&
  	    $0 !~ /(EXPORT_SYMBOL_NS[^(]*)\(\)/ &&
  	    $0 !~ /^my/) {
  	  getline line;
  	  gsub(/[[:space:]]*\\$/, "");
  	  gsub(/[[:space:]]/, "", line);
  	  $0 = $0 " " line;
  	}

  	$0 = gensub(/(EXPORT_SYMBOL_NS[^(]*)\(([^,]+), ([^)]+)\)/,
  		    "\\1(\\2, \"\\3\")", "g");
        }
      }
      { print }' $file;
  done

Requested-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://mail.google.com/mail/u/2/#inbox/FMfcgzQXKWgMmjdFwwdsfgxzKpVHWPlc
Acked-by: Greg KH <gregkh@linuxfoundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2024-12-02 11:34:44 -08:00
Konstantin Taranov
1df03a4b44 RDMA/mana_ib: Set correct device into ib 
Add mana_get_primary_netdev_rcu helper to get a primary
netdevice for a given port. When mana is used with
netvsc, the VF netdev is controlled by an upper netvsc
device. In a baremetal case, the VF netdev is the
primary device.

Use the mana_get_primary_netdev_rcu() helper in the mana_ib
to get the correct device for querying network states.

Fixes: 8b184e4f1c ("RDMA/mana_ib: Enable RoCE on port 1")
Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1720705077-322-1-git-send-email-kotaranov@linux.microsoft.com
Reviewed-by: Long Li <longli@microsoft.com>
Reviewed-by: Zhu Yanjun <yanjun.zhu@linux.dev>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
 2024-07-14 10:49:53 +03:00
Konstantin Taranov
2a1251e3db RDMA/mana_ib: Process QP error events in mana_ib 
Process QP fatal events from the error event queue.
For that, find the QP, using QPN from the event, and then call its
event_handler. To find the QPs, store created RC QPs in an xarray.

Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1717754897-19858-1-git-send-email-kotaranov@linux.microsoft.com
Reviewed-by: Wei Hu <weh@microsoft.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
 2024-06-09 13:46:44 +03:00
Konstantin Taranov
65357e2c16 RDMA/mana_ib: set node_guid 
Use the mac address for the node_guid of the IB device.

Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1717070117-1234-2-git-send-email-kotaranov@linux.microsoft.com
Reviewed-by: Long Li <longli@microsoft.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
 2024-06-02 11:50:15 +03:00
Konstantin Taranov
f88320b698 RDMA/mana_ib: Fix missing ret value 
Set ret to -ENODEV when netdev_master_upper_dev_get_rcu returns NULL.

Fixes: 8b184e4f1c ("RDMA/mana_ib: Enable RoCE on port 1")
Link: https://lore.kernel.org/r/1713881751-21621-1-git-send-email-kotaranov@linux.microsoft.com
Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
 2024-04-23 12:02:44 -03:00
Konstantin Taranov
8859f009ac RDMA/mana_ib: Configure mac address in RNIC 
Set local mac address in RNIC, which is required by the HW.

Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1712738551-22075-7-git-send-email-kotaranov@linux.microsoft.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
 2024-04-16 14:28:26 +03:00
Konstantin Taranov
faafb8b126 RDMA/mana_ib: Adding and deleting GIDs 
Implement add_gid and del_gid for RNIC.
IPv4 and IPv6 addresses are supported.

Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1712738551-22075-6-git-send-email-kotaranov@linux.microsoft.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
 2024-04-16 14:28:26 +03:00
Konstantin Taranov
8b184e4f1c RDMA/mana_ib: Enable RoCE on port 1 
Set netdev and RoCEv2 flag to enable GID population on port 1.
Use GIDs of the master netdev. As mc->ports[] stores slave devices,
use a helper to get the master netdev.

Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1712738551-22075-5-git-send-email-kotaranov@linux.microsoft.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
 2024-04-16 14:28:26 +03:00
Konstantin Taranov
4bda1d5332 RDMA/mana_ib: Implement port parameters 
Implement port parameters for RNIC:
1) extend query_port() method
2) implement get_link_layer()
3) implement query_pkey()

Only port 1 can store GIDs.

Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1712738551-22075-4-git-send-email-kotaranov@linux.microsoft.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
 2024-04-16 14:28:26 +03:00
Konstantin Taranov
1a79c2b9d4 RDMA/mana_ib: Create and destroy rnic adapter 
Add functions for RNIC creation and destruction.
If creation fails, the ib_probe fails as well.

Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1712738551-22075-3-git-send-email-kotaranov@linux.microsoft.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
 2024-04-16 14:28:26 +03:00
Konstantin Taranov
98b889c439 RDMA/mana_ib: Add EQ creation for rnic adapter 
Create an error EQ for the RNIC adapter.

Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1712738551-22075-2-git-send-email-kotaranov@linux.microsoft.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
 2024-04-16 14:28:26 +03:00
Konstantin Taranov
23f59f4e83 RDMA/mana_ib: Use num_comp_vectors of ib_device 
Use num_comp_vectors of struct ib_device instead of max_num_queues
from gdma_context.

Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1712911656-17352-1-git-send-email-kotaranov@linux.microsoft.com
Reviewed-by: Long Li <longli@microsoft.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
 2024-04-16 13:29:47 +03:00
Long Li
2c20e20b22 RDMA/mana_ib: query device capabilities 
With RDMA device registered, use it to query on hardware capabilities and
cache this information for future query requests to the driver.

Signed-off-by: Long Li <longli@microsoft.com>
Link: https://lore.kernel.org/r/1702692255-23640-3-git-send-email-longli@linuxonhyperv.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
 2023-12-20 10:25:40 +02:00
Long Li
a7f0636d22 RDMA/mana_ib: register RDMA device with GDMA 
Software client needs to register with the RDMA management interface on
the SoC to access more features, including querying device capabilities
and RC queue pair.

Signed-off-by: Long Li <longli@microsoft.com>
Link: https://lore.kernel.org/r/1702692255-23640-2-git-send-email-longli@linuxonhyperv.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
 2023-12-20 10:25:40 +02:00
Long Li
0266a17763 RDMA/mana_ib: Add a driver for Microsoft Azure Network Adapter 
Add a RDMA VF driver for Microsoft Azure Network Adapter (MANA).

Co-developed-by: Ajay Sharma <sharmaajay@microsoft.com>
Signed-off-by: Ajay Sharma <sharmaajay@microsoft.com>
Reviewed-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: Long Li <longli@microsoft.com>
Link: https://lore.kernel.org/r/1667502990-2559-13-git-send-email-longli@linuxonhyperv.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
 2022-11-11 11:40:09 +02:00