nv-tegra-mirror/linux-nv-oot
1
0
Fork 0
mirror of git://nv-tegra.nvidia.com/linux-nv-oot.git synced 2025-12-24 10:11:26 +03:00
Code Issues Packages Projects Releases Wiki Activity

nvidia-oot: add IPA type info of IVC channel

Browse Source 
Bug 4293372

Signed-off-by: Joshua Cha <joshuac@nvidia.com>
Change-Id: I5c0cf142afdac9a6a1108a38513af6861272a8e9
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2995973
(cherry picked from commit ebedbb2492ea13211b53a48655e9312ba6b255dd)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3004066
Reviewed-by: Kurt Yi <kyi@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Joshua Cha
2023-10-12 19:29:29 +09:00
committed by mobile promotions
parent 1ae12540fe
commit 236a2f09ee
4 changed files with 93 additions and 42 deletions
Download Patch File Download Diff File Expand all files Collapse all files

49
drivers/virt/tegra/ivc-cdev.c
View File

@@ -1,6 +1,13 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2022-2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* SPDX-FileCopyrightText: Copyright (c) 2022-2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
*
* NVIDIA CORPORATION, its affiliates and licensors retain all intellectual
* property and proprietary rights in and to this material, related
* documentation and any modifications thereto. Any use, reproduction,
* disclosure or distribution of this material and related documentation
* without an express license agreement from NVIDIA CORPORATION or
* its affiliates is strictly prohibited.
*/
#include <nvidia/conftest.h>
@@ -283,10 +290,13 @@ static long ivc_dev_ioctl(struct file *filp, unsigned int cmd,
info.queue_offset = ivcd->qd->offset;
info.area_size = ivc_area_size;
#ifdef SUPPORTS_TRAP_MSI_NOTIFICATION
if (ivcd->qd->msi_ipa != 0)
if (ivcd->qd->msi_ipa != 0) {
info.noti_ipa = ivcd->qd->msi_ipa;
else
info.noti_type = IVC_MSI_IPA;
} else {
info.noti_ipa = ivcd->qd->trap_ipa;
info.noti_type = IVC_TRAP_IPA;
}
info.noti_irq = ivcd->qd->raise_irq;
#endif /* SUPPORTS_TRAP_MSI_NOTIFICATION */
@@ -624,6 +634,39 @@ exit:
}
EXPORT_SYMBOL(ivc_cdev_get_peer_vmid);
int ivc_cdev_get_noti_type(uint32_t qid, uint32_t *noti_type)
{
uint32_t i;
int32_t ret = -ENOENT;
if ((s_infop == NULL) || (s_guestid == INVALID_VMID)) {
ERR("ivc info or VMID is NOT initialized yet");
ret = -EFAULT;
goto exit;
}
for (i = 0; i < s_infop->nr_queues; i++) {
struct ivc_dev *ivc = &ivc_dev_array[i];
if (ivc->qd->id == qid) {
if (ivc->qd->msi_ipa != 0)
*noti_type = IVC_MSI_IPA;
else
*noti_type = IVC_TRAP_IPA;
ret = 0;
DBG("found qid %d: noti_type=%d\n", qid, *noti_type);
break;
}
}
if (ret != 0)
INFO("qid %d not found\n", qid);
exit:
return ret;
}
EXPORT_SYMBOL(ivc_cdev_get_noti_type);
module_init(ivc_init);
module_exit(ivc_exit);