vasilito
dc68054305
- Restore 29 recipe symlinks (libdrm, qtbase, dbus, sddm, pipewire, etc.) - Restore 33 patches (KDE, libdrm, mesa, pipewire, sddm, wireplumber) - Restore 20+ local/scripts (audit, lint, test, build helpers) - Restore src/cook/scheduler.rs, status.rs, gnu-config/ - Restore scripts/patch-inclusion-gate.sh, run_mini1.sh, validate-collision-log.sh - Recover TLC source from HEAD (was overwritten by 0.2.3 checkout) - Recover 11 local/docs plans from HEAD (were overwritten) - Recover qt6-wayland-smoke symlink from HEAD - Fix MOTD: remove garbled ASCII art, use clean text - Update version: 0.2.0 -> 0.2.4 in os-release, motd, config - Reduce filesystem_size: 1536 -> 512 MiB - Add ABSOLUTE RULE to AGENTS.md: never delete/ignore packages - Reduce pcid scheme log verbosity: info -> debug
61 lines
2.2 KiB
C
61 lines
2.2 KiB
C
/*
|
|
* Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved.
|
|
*
|
|
* This software is available to you under a choice of one of two
|
|
* licenses. You may choose to be licensed under the terms of the GNU
|
|
* General Public License (GPL) Version 2, available from the file
|
|
* COPYING in the main directory of this source tree, or the
|
|
* OpenIB.org BSD license below:
|
|
*
|
|
* Redistribution and use in source and binary forms, with or
|
|
* without modification, are permitted provided that the following
|
|
* conditions are met:
|
|
*
|
|
* - Redistributions of source code must retain the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer.
|
|
*
|
|
* - Redistributions in binary form must reproduce the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer in the documentation and/or other materials
|
|
* provided with the distribution.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*/
|
|
|
|
#ifndef MLX5_DOORBELL_H
|
|
#define MLX5_DOORBELL_H
|
|
|
|
#define MLX5_BF_OFFSET 0x800
|
|
#define MLX5_CQ_DOORBELL 0x20
|
|
|
|
/* Assume that we can just write a 64-bit doorbell atomically. s390
|
|
* actually doesn't have writeq() but S/390 systems don't even have
|
|
* PCI so we won't worry about it.
|
|
*
|
|
* Note that the write is not atomic on 32-bit systems! In contrast to 64-bit
|
|
* ones, it requires proper locking. mlx5_write64 doesn't do any locking, so use
|
|
* it at your own discretion, protected by some kind of lock on 32 bits.
|
|
*
|
|
* TODO: use write{q,l}_relaxed()
|
|
*/
|
|
|
|
static inline void mlx5_write64(__be32 val[2], void __iomem *dest)
|
|
{
|
|
#if BITS_PER_LONG == 64
|
|
__raw_writeq(*(u64 *)val, dest);
|
|
#else
|
|
__raw_writel((__force u32) val[0], dest);
|
|
__raw_writel((__force u32) val[1], dest + 4);
|
|
#endif
|
|
}
|
|
|
|
#endif /* MLX5_DOORBELL_H */
|