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This commit is contained in:
Bernhard Stoeckner
2024-02-22 17:27:30 +01:00
parent ee55481a49
commit 6d33efe502
79 changed files with 75714 additions and 75417 deletions
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95
src/common/nvswitch/kernel/ls10/link_ls10.c
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@@ -41,6 +41,11 @@
#include "nvswitch/ls10/dev_minion_ip_addendum.h"
#include "ls10/minion_nvlink_defines_public_ls10.h"
#define NV_NVLINK_TLREQ_TIMEOUT_ACTIVE 10000
#define NV_NVLINK_TLREQ_TIMEOUT_SHUTDOWN 10
#define NV_NVLINK_TLREQ_TIMEOUT_RESET 4
#define NV_NVLINK_TLREQ_TIMEOUT_L2 5
static void
_nvswitch_configure_reserved_throughput_counters
(
@@ -144,7 +149,7 @@ nvswitch_init_lpwr_regs_ls10
if (nvswitch_lib_get_bios_version(device, &biosVersion) != NVL_SUCCESS)
{
NVSWITCH_PRINT(device, WARN, "%s Get VBIOS version failed.\n",
__FUNCTION__);
__FUNCTION__);
biosVersion = 0;
}
@@ -1713,6 +1718,39 @@ nvswitch_are_link_clocks_on_ls10
return NV_TRUE;
}
static
NvlStatus
_nvswitch_tl_request_get_timeout_value_ls10
(
nvswitch_device *device,
NvU32 tlLinkState,
NvU32 *timeoutVal
)
{
switch (tlLinkState)
{
case NV_NVLIPT_LNK_CTRL_LINK_STATE_REQUEST_REQUEST_ACTIVE:
*timeoutVal = NV_NVLINK_TLREQ_TIMEOUT_ACTIVE;
break;
case NV_NVLIPT_LNK_CTRL_LINK_STATE_REQUEST_REQUEST_RESET:
*timeoutVal = NV_NVLINK_TLREQ_TIMEOUT_RESET;
break;
case NV_NVLIPT_LNK_CTRL_LINK_STATE_REQUEST_REQUEST_SHUTDOWN:
*timeoutVal = NV_NVLINK_TLREQ_TIMEOUT_SHUTDOWN;
break;
case NV_NVLIPT_LNK_CTRL_LINK_STATE_REQUEST_REQUEST_L2:
*timeoutVal = NV_NVLINK_TLREQ_TIMEOUT_L2;
break;
default:
NVSWITCH_PRINT(device, ERROR,
"%s: Invalid tlLinkState %d provided!\n",
__FUNCTION__, tlLinkState);
return NVL_BAD_ARGS;
}
return NVL_SUCCESS;
}
NvlStatus
nvswitch_request_tl_link_state_ls10
(
@@ -1726,6 +1764,9 @@ nvswitch_request_tl_link_state_ls10
NvU32 linkStatus;
NvU32 lnkErrStatus;
NvU32 bit;
NvU32 timeoutVal;
NVSWITCH_TIMEOUT timeout;
NvBool keepPolling;
if (!NVSWITCH_IS_LINK_ENG_VALID_LS10(device, NVLIPT_LNK, link->linkNumber))
{
@@ -1759,25 +1800,53 @@ nvswitch_request_tl_link_state_ls10
if (bSync)
{
// Wait for the TL link state register to complete
status = nvswitch_wait_for_tl_request_ready_lr10(link);
// setup timeouts for the TL request
status = _nvswitch_tl_request_get_timeout_value_ls10(device, tlLinkState, &timeoutVal);
if (status != NVL_SUCCESS)
{
return status;
return NVL_ERR_INVALID_STATE;
}
// Check for state requested
linkStatus = NVSWITCH_LINK_RD32_LS10(device, link->linkNumber,
nvswitch_timeout_create(NVSWITCH_INTERVAL_1MSEC_IN_NS * timeoutVal, &timeout);
status = NVL_MORE_PROCESSING_REQUIRED;
do
{
keepPolling = (nvswitch_timeout_check(&timeout)) ? NV_FALSE : NV_TRUE;
// Check for state requested
linkStatus = NVSWITCH_LINK_RD32_LS10(device, link->linkNumber,
NVLIPT_LNK , _NVLIPT_LNK , _CTRL_LINK_STATE_STATUS);
if (DRF_VAL(_NVLIPT_LNK, _CTRL_LINK_STATE_STATUS, _CURRENTLINKSTATE, linkStatus) !=
tlLinkState)
{
NVSWITCH_PRINT(device, ERROR,
"%s: TL link state request to state 0x%x for link #%d did not complete!\n",
__FUNCTION__, tlLinkState, link->linkNumber);
return -NVL_ERR_GENERIC;
if (DRF_VAL(_NVLIPT_LNK, _CTRL_LINK_STATE_STATUS, _CURRENTLINKSTATE, linkStatus) ==
tlLinkState)
{
status = NVL_SUCCESS;
break;
}
nvswitch_os_sleep(1);
}
while(keepPolling);
// Do one final check if the polling loop didn't see the target linkState
if (status == NVL_MORE_PROCESSING_REQUIRED)
{
// Check for state requested
linkStatus = NVSWITCH_LINK_RD32_LS10(device, link->linkNumber,
NVLIPT_LNK , _NVLIPT_LNK , _CTRL_LINK_STATE_STATUS);
if (DRF_VAL(_NVLIPT_LNK, _CTRL_LINK_STATE_STATUS, _CURRENTLINKSTATE, linkStatus) !=
tlLinkState)
{
NVSWITCH_PRINT(device, ERROR,
"%s: TL link state request to state 0x%x for link #%d did not complete!\n",
__FUNCTION__, tlLinkState, link->linkNumber);
return -NVL_ERR_GENERIC;
}
}
}
return status;