gpu: nvgpu: gv100: add IPA to PA translation

Add IPA to PA translation for GV100 nvlink / pass-through mode
- define platform->phys_addr(g, ipa) method
- call nvgpu_init_soc_vars from nvgpu_tegra_pci_probe
- in nvgpu_init_soc_vars, define set platform->phys_addr to
  nvgpu_tegra_hv_ipa_pa, if hypervisor is present.
- in __nvgpu_sgl_phys, use sg_phys, then apply platform->phys_addr
  if defined.
- implement IPA to PA translation in nvgpu_tegra_hv_ipa_pa

Bug 200392719

Change-Id: I622049ddc62c2a57a665dd259c1bb4ed3843a537
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1673582
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Richard Zhao <rizhao@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/include/nvgpu/soc.h b/drivers/gpu/nvgpu/include/nvgpu/soc.h
index 5001f27f..f1b4f862 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/soc.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/soc.h
@@ -29,5 +29,6 @@ bool nvgpu_platform_is_simulation(struct gk20a *g);
 bool nvgpu_platform_is_fpga(struct gk20a *g);
 bool nvgpu_is_hypervisor_mode(struct gk20a *g);
 bool nvgpu_is_bpmp_running(struct gk20a *g);
+int nvgpu_init_soc_vars(struct gk20a *g);
 
 #endif