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

tegra_hv: Update driver to support Linux 6.2 and above

Browse Source 
The IO sys map helpers are used for the IVC communication
on Linux 6.2 and above. Update drivers to have compatible
with IVC APIs of Linux 6.2 and above.

Bug 4370594

Change-Id: I0528248efa9edc3d4962f7b62d8ebfe2ac0a027e
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3013108
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Laxman Dewangan
2023-11-08 15:10:11 +00:00
committed by mobile promotions
parent c8a83b5692
commit 9647ab8386
1 changed files with 27 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
drivers/virt/tegra/tegra_hv.c
View File

@@ -812,7 +812,11 @@ int tegra_hv_ivc_tx_empty(struct tegra_hv_ivc_cookie *ivck)
{
struct hv_ivc *ivc = cookie_to_ivc_dev(ivck);
#if defined(NV_TEGRA_IVC_STRUCT_HAS_IOSYS_MAP)
return tegra_ivc_empty(&ivc->ivc, &ivc->ivc.tx.map);
#else
return tegra_ivc_empty(&ivc->ivc, ivc->ivc.tx.channel);
#endif
}
EXPORT_SYMBOL(tegra_hv_ivc_tx_empty);
@@ -820,7 +824,11 @@ uint32_t tegra_hv_ivc_tx_frames_available(struct tegra_hv_ivc_cookie *ivck)
{
struct hv_ivc *ivc = cookie_to_ivc_dev(ivck);
#if defined(NV_TEGRA_IVC_STRUCT_HAS_IOSYS_MAP)
return tegra_ivc_frames_available(&ivc->ivc, &ivc->ivc.tx.map);
#else
return tegra_ivc_frames_available(&ivc->ivc, ivc->ivc.tx.channel);
#endif
}
EXPORT_SYMBOL(tegra_hv_ivc_tx_frames_available);
@@ -834,16 +842,35 @@ EXPORT_SYMBOL(tegra_hv_ivc_dump);
void *tegra_hv_ivc_read_get_next_frame(struct tegra_hv_ivc_cookie *ivck)
{
struct hv_ivc *ivc = cookie_to_ivc_dev(ivck);
#if defined(NV_TEGRA_IVC_STRUCT_HAS_IOSYS_MAP)
struct iosys_map map;
int err;
err = tegra_ivc_read_get_next_frame(&ivc->ivc, &map);
if (err)
return ERR_PTR(err);
return map.vaddr;
#else
return tegra_ivc_read_get_next_frame(&ivc->ivc);
#endif
}
EXPORT_SYMBOL(tegra_hv_ivc_read_get_next_frame);
void *tegra_hv_ivc_write_get_next_frame(struct tegra_hv_ivc_cookie *ivck)
{
struct hv_ivc *ivc = cookie_to_ivc_dev(ivck);
#if defined(NV_TEGRA_IVC_STRUCT_HAS_IOSYS_MAP)
struct iosys_map map;
int err;
err = tegra_ivc_write_get_next_frame(&ivc->ivc, &map);
if (err)
return ERR_PTR(err);
return map.vaddr;
#else
return tegra_ivc_write_get_next_frame(&ivc->ivc);
#endif
}
EXPORT_SYMBOL(tegra_hv_ivc_write_get_next_frame);