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gpu: nvgpu: gv100: add IPA to PA translation

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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>
This commit is contained in:
Thomas Fleury
2018-03-07 09:30:21 -08:00
committed by mobile promotions
parent 6c33a010d8
commit c6e8257c44
5 changed files with 81 additions and 3 deletions
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3
drivers/gpu/nvgpu/common/linux/pci.c
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@@ -24,6 +24,7 @@
#include <nvgpu/kmem.h>
#include <nvgpu/enabled.h>
#include <nvgpu/nvlink.h>
#include <nvgpu/soc.h>
#include "gk20a/gk20a.h"
#include "clk/clk.h"
@@ -44,7 +45,7 @@
static int nvgpu_pci_tegra_probe(struct device *dev)
{
return 0;
return nvgpu_init_soc_vars(get_gk20a(dev));
}
static int nvgpu_pci_tegra_remove(struct device *dev)