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This commit is contained in:
Andy Ritger
2022-10-10 14:59:24 -07:00
parent fe0728787f
commit 90eb10774f
758 changed files with 88383 additions and 26493 deletions
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79
src/common/nvlink/interface/nvlink.h
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@@ -1,25 +1,24 @@
/*
* SPDX-FileCopyrightText: Copyright (c) 2014-2022 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* 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.
*/
/*******************************************************************************
Copyright (c) 2014-2022 NVidia Corporation
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to
deal in the Software without restriction, including without limitation the
rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
sell copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
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.
*******************************************************************************/
//
// nvlink.h
@@ -72,6 +71,7 @@ extern "C" {
#define NVLINK_TRANSITION_OFF_TIMEOUT 1
#define NVLINK_TRANSITION_SAFE_TIMEOUT 300
#define NVLINK_TRANSITION_HS_TIMEOUT 8000
#define NVLINK_TRANSITION_ACTIVE_PENDING 2000
#define NVLINK_TRANSITION_POST_HS_TIMEOUT 70
// Link training seed values
@@ -109,9 +109,17 @@ struct nvlink_device
NvU64 type;
NvBool initialized;
// Training type: ALI or Non-ALI
NvBool enableALI;
// fabric node id
NvU16 nodeId;
// per Ioctrl data
NvU32 numIoctrls;
NvU32 numLinksPerIoctrl;
NvU32 numActiveLinksPerIoctrl;
// Client private information
void *pDevInfo;
};
@@ -249,6 +257,7 @@ struct nvlink_link_handlers
NV_API_CALL NvlStatus (*read_discovery_token) (struct nvlink_link *link, NvU64 *token);
NV_API_CALL void (*training_complete) (struct nvlink_link *link);
NV_API_CALL void (*get_uphy_load) (struct nvlink_link *link, NvBool* bUnlocked);
NV_API_CALL NvlStatus (*ali_training) (struct nvlink_link *link);
};
//
@@ -318,11 +327,15 @@ typedef struct nvlink_inband_data nvlink_inband_data;
#define NVLINK_LINKSTATE_DISABLE_HEARTBEAT 0x18 // Disables the heartbeat errors
#define NVLINK_LINKSTATE_CONTAIN 0x19 // TL is in contain mode
#define NVLINK_LINKSTATE_INITTL 0x1A // INITTL
#define NVLINK_LINKSTATE_INITPHASE5 0x1B // INITPHASE5
#define NVLINK_LINKSTATE_ALI 0x1C // ALI
#define NVLINK_LINKSTATE_ACTIVE_PENDING 0x1D // Intermediate state for a link going to active
#define NVLINK_LINKSTATE_INVALID 0xFF // Invalid state
// NVLINK TX SUBLINK states
#define NVLINK_SUBLINK_STATE_TX_HS 0x0 // TX High Speed
#define NVLINK_SUBLINK_STATE_TX_SINGLE_LANE 0x4 // TX Single Lane (1/8th or 1/4th) Mode (Deprecated)
#define NVLINK_SUBLINK_STATE_TX_LOW_POWER 0x4 // TX Single Lane Mode / L1
#define NVLINK_SUBLINK_STATE_TX_TRAIN 0x5 // TX training
#define NVLINK_SUBLINK_STATE_TX_SAFE 0x6 // TX Safe Mode
#define NVLINK_SUBLINK_STATE_TX_OFF 0x7 // TX OFF
@@ -336,6 +349,7 @@ typedef struct nvlink_inband_data nvlink_inband_data;
// NVLINK RX SUBLINK states
#define NVLINK_SUBLINK_STATE_RX_HS 0x0 // RX High Speed
#define NVLINK_SUBLINK_STATE_RX_SINGLE_LANE 0x4 // RX Single Lane (1/8th or 1/4th) Mode (Deprecated)
#define NVLINK_SUBLINK_STATE_RX_LOW_POWER 0x4 // RX Single Lane Mode / L1
#define NVLINK_SUBLINK_STATE_RX_TRAIN 0x5 // RX training
#define NVLINK_SUBLINK_STATE_RX_SAFE 0x6 // RX Safe Mode
#define NVLINK_SUBLINK_STATE_RX_OFF 0x7 // RX OFF
@@ -426,6 +440,15 @@ NvlStatus nvlink_lib_set_link_master(nvlink_link *link);
*/
NvlStatus nvlink_lib_get_link_master(nvlink_link *link, nvlink_link **master);
/*
* Set the training state for the given link as non-ALI or ALI
*/
NvlStatus nvlink_lib_is_link_using_ALI(nvlink_link *link, NvBool *usingALI);
/*
* Set the training state for the given link as non-ALI or ALI
*/
NvlStatus nvlink_lib_link_set_training_mode(nvlink_link *link, NvBool enableALI);
/************************************************************************************************/
/*************************** NVLink topology discovery functions ********************************/
/************************************************************************************************/
@@ -508,6 +531,7 @@ void nvlink_lib_restore_training_seeds(nvlink_link * link,
NvlStatus nvlink_lib_check_training_complete(nvlink_link **links,
NvU32 linkCount);
/************************************************************************************************/
/********************************** NVLink shutdown functions ***********************************/
/************************************************************************************************/
@@ -542,21 +566,26 @@ NvlStatus nvlink_lib_reset_links(nvlink_link **links,
NvU32 numLinks,
NvU32 flags);
/*
* Floorsweep the necessary links and set buffer ready on the active links
*/
NvlStatus nvlink_lib_powerdown_floorswept_links_to_off(nvlink_device *pDevice);
/*
* Nvlink core library structure iterators
*/
#define FOR_EACH_DEVICE_REGISTERED(dev, head, node) \
#define FOR_EACH_DEVICE_REGISTERED(dev, head, node) \
nvListForEachEntry(dev, &head.node, node)
#define FOR_EACH_LINK_REGISTERED(link, dev, node) \
#define FOR_EACH_LINK_REGISTERED(link, dev, node) \
nvListForEachEntry(link, &dev->link_list, node)
#define FOR_EACH_LINK_REGISTERED_SAFE(link, next, dev, node) \
nvListForEachEntry_safe(link, next, &dev->link_list, node)
#define FOR_EACH_CONNECTION(conn, head, node) \
#define FOR_EACH_CONNECTION(conn, head, node) \
nvListForEachEntry(conn, &head.node, node)
#ifdef __cplusplus