Files
cubelinux-kernel/drivers/net/ethernet/chelsio/cxgb4/cudbg_common.c
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

57 lines
1.4 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2017 Chelsio Communications. All rights reserved.
*/
#include "cxgb4.h"
#include "cudbg_if.h"
#include "cudbg_lib_common.h"
int cudbg_get_buff(struct cudbg_init *pdbg_init,
struct cudbg_buffer *pdbg_buff, u32 size,
struct cudbg_buffer *pin_buff)
{
u32 offset;
offset = pdbg_buff->offset;
if (offset + size > pdbg_buff->size)
return CUDBG_STATUS_NO_MEM;
if (pdbg_init->compress_type != CUDBG_COMPRESSION_NONE) {
if (size > pdbg_init->compress_buff_size)
return CUDBG_STATUS_NO_MEM;
pin_buff->data = (char *)pdbg_init->compress_buff;
pin_buff->offset = 0;
pin_buff->size = size;
return 0;
}
pin_buff->data = (char *)pdbg_buff->data + offset;
pin_buff->offset = offset;
pin_buff->size = size;
return 0;
}
void cudbg_put_buff(struct cudbg_init *pdbg_init,
struct cudbg_buffer *pin_buff)
{
/* Clear compression buffer for re-use */
if (pdbg_init->compress_type != CUDBG_COMPRESSION_NONE)
memset(pdbg_init->compress_buff, 0,
pdbg_init->compress_buff_size);
pin_buff->data = NULL;
pin_buff->offset = 0;
pin_buff->size = 0;
}
void cudbg_update_buff(struct cudbg_buffer *pin_buff,
struct cudbg_buffer *pout_buff)
{
/* We already write to buffer provided by ethool, so just
* increment offset to next free space.
*/
pout_buff->offset += pin_buff->size;
}