From: Christoph Hellwig <hch@lst.de>
To: Jani Nikula <jani.nikula@linux.intel.com>,
Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
Rodrigo Vivi <rodrigo.vivi@intel.com>,
Zhenyu Wang <zhenyuw@linux.intel.com>,
Zhi Wang <zhi.a.wang@intel.com>
Cc: intel-gfx@lists.freedesktop.org,
intel-gvt-dev@lists.freedesktop.org,
dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: [PATCH 17/21] drm/i915/gvt: devirtualize ->gfn_to_mfn
Date: Wed, 21 Jul 2021 17:53:51 +0200 [thread overview]
Message-ID: <20210721155355.173183-18-hch@lst.de> (raw)
In-Reply-To: <20210721155355.173183-1-hch@lst.de>
Just open code it in the only caller.
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
drivers/gpu/drm/i915/gvt/gtt.c | 9 +++++----
drivers/gpu/drm/i915/gvt/hypercall.h | 1 -
drivers/gpu/drm/i915/gvt/kvmgt.c | 16 ----------------
drivers/gpu/drm/i915/gvt/mpt.h | 14 --------------
4 files changed, 5 insertions(+), 35 deletions(-)
diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c
index 5783642d4d79..75782f59df8e 100644
--- a/drivers/gpu/drm/i915/gvt/gtt.c
+++ b/drivers/gpu/drm/i915/gvt/gtt.c
@@ -1176,15 +1176,16 @@ static int is_2MB_gtt_possible(struct intel_vgpu *vgpu,
struct intel_gvt_gtt_entry *entry)
{
struct intel_gvt_gtt_pte_ops *ops = vgpu->gvt->gtt.pte_ops;
- unsigned long pfn;
+ kvm_pfn_t pfn;
if (!HAS_PAGE_SIZES(vgpu->gvt->gt->i915, I915_GTT_PAGE_SIZE_2M))
return 0;
- pfn = intel_gvt_hypervisor_gfn_to_mfn(vgpu, ops->get_pfn(entry));
- if (pfn == INTEL_GVT_INVALID_ADDR)
+ if (!vgpu->attached)
+ return -EINVAL;
+ pfn = gfn_to_pfn(vgpu->kvm, ops->get_pfn(entry));
+ if (is_error_noslot_pfn(pfn))
return -EINVAL;
-
return PageTransHuge(pfn_to_page(pfn));
}
diff --git a/drivers/gpu/drm/i915/gvt/hypercall.h b/drivers/gpu/drm/i915/gvt/hypercall.h
index c1a9eeed0460..dbde492cafc8 100644
--- a/drivers/gpu/drm/i915/gvt/hypercall.h
+++ b/drivers/gpu/drm/i915/gvt/hypercall.h
@@ -47,7 +47,6 @@ struct intel_gvt_mpt {
void (*host_exit)(struct device *dev, void *gvt);
int (*enable_page_track)(struct intel_vgpu *vgpu, u64 gfn);
int (*disable_page_track)(struct intel_vgpu *vgpu, u64 gfn);
- unsigned long (*gfn_to_mfn)(struct intel_vgpu *vgpu, unsigned long gfn);
int (*dma_map_guest_page)(struct intel_vgpu *vgpu, unsigned long gfn,
unsigned long size, dma_addr_t *dma_addr);
diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c
index 2d3ef59e7227..226e3f3c41df 100644
--- a/drivers/gpu/drm/i915/gvt/kvmgt.c
+++ b/drivers/gpu/drm/i915/gvt/kvmgt.c
@@ -1855,21 +1855,6 @@ void intel_vgpu_detach_regions(struct intel_vgpu *vgpu)
vgpu->region = NULL;
}
-static unsigned long kvmgt_gfn_to_pfn(struct intel_vgpu *vgpu,
- unsigned long gfn)
-{
- kvm_pfn_t pfn;
-
- if (!vgpu->attached)
- return INTEL_GVT_INVALID_ADDR;
-
- pfn = gfn_to_pfn(vgpu->kvm, gfn);
- if (is_error_noslot_pfn(pfn))
- return INTEL_GVT_INVALID_ADDR;
-
- return pfn;
-}
-
static int kvmgt_dma_map_guest_page(struct intel_vgpu *vgpu, unsigned long gfn,
unsigned long size, dma_addr_t *dma_addr)
{
@@ -1966,7 +1951,6 @@ static const struct intel_gvt_mpt kvmgt_mpt = {
.host_exit = kvmgt_host_exit,
.enable_page_track = kvmgt_page_track_add,
.disable_page_track = kvmgt_page_track_remove,
- .gfn_to_mfn = kvmgt_gfn_to_pfn,
.dma_map_guest_page = kvmgt_dma_map_guest_page,
.dma_unmap_guest_page = kvmgt_dma_unmap_guest_page,
.dma_pin_guest_page = kvmgt_dma_pin_guest_page,
diff --git a/drivers/gpu/drm/i915/gvt/mpt.h b/drivers/gpu/drm/i915/gvt/mpt.h
index 1a796f2181ba..2d4bb6eaa08e 100644
--- a/drivers/gpu/drm/i915/gvt/mpt.h
+++ b/drivers/gpu/drm/i915/gvt/mpt.h
@@ -99,20 +99,6 @@ static inline int intel_gvt_hypervisor_disable_page_track(
return intel_gvt_host.mpt->disable_page_track(vgpu, gfn);
}
-/**
- * intel_gvt_hypervisor_gfn_to_mfn - translate a GFN to MFN
- * @vgpu: a vGPU
- * @gpfn: guest pfn
- *
- * Returns:
- * MFN on success, INTEL_GVT_INVALID_ADDR if failed.
- */
-static inline unsigned long intel_gvt_hypervisor_gfn_to_mfn(
- struct intel_vgpu *vgpu, unsigned long gfn)
-{
- return intel_gvt_host.mpt->gfn_to_mfn(vgpu, gfn);
-}
-
/**
* intel_gvt_hypervisor_dma_map_guest_page - setup dma map for guest page
* @vgpu: a vGPU
--
2.30.2
next prev parent reply other threads:[~2021-07-21 16:00 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-21 15:53 refactor the i915 GVT support Christoph Hellwig
2021-07-21 15:53 ` [PATCH 01/21] drm/i915/gvt: integrate into the main Makefile Christoph Hellwig
2021-08-03 9:27 ` Zhenyu Wang
2021-07-21 15:53 ` [PATCH 02/21] drm/i915/gvt: remove module refcounting in intel_gvt_{,un}register_hypervisor Christoph Hellwig
2021-07-21 15:53 ` [PATCH 03/21] drm/i915/gvt: remove enum hypervisor_type Christoph Hellwig
2021-07-21 15:53 ` [PATCH 04/21] drm/i915/gvt: move the gvt code into kvmgt.ko Christoph Hellwig
2021-08-09 11:29 ` Joonas Lahtinen
2021-08-09 14:29 ` Christoph Hellwig
2021-07-21 15:53 ` [PATCH 05/21] drm/i915/gvt: remove intel_gvt_ops Christoph Hellwig
2021-07-21 15:53 ` [PATCH 06/21] drm/i915/gvt: remove the map_gfn_to_mfn and set_trap_area ops Christoph Hellwig
2021-07-21 15:53 ` [PATCH 07/21] drm/i915/gvt: remove the unused from_virt_to_mfn op Christoph Hellwig
2021-07-21 15:53 ` [PATCH 08/21] drm/i915/gvt: merge struct kvmgt_vdev into struct intel_vgpu Christoph Hellwig
2021-07-21 15:53 ` [PATCH 09/21] drm/i915/gvt: merge struct kvmgt_guest_info into strut intel_vgpu Christoph Hellwig
2021-07-21 15:53 ` [PATCH 10/21] drm/i915/gvt: remove vgpu->handle Christoph Hellwig
2021-07-21 15:53 ` [PATCH 11/21] drm/i915/gvt: devirtualize ->{read,write}_gpa Christoph Hellwig
2021-07-21 15:53 ` [PATCH 12/21] drm/i915/gvt: devirtualize ->{get,put}_vfio_device Christoph Hellwig
2021-07-21 15:53 ` [PATCH 13/21] drm/i915/gvt: devirtualize ->set_edid and ->set_opregion Christoph Hellwig
2021-07-21 15:53 ` [PATCH 14/21] drm/i915/gvt: devirtualize ->detach_vgpu Christoph Hellwig
2021-07-21 15:53 ` [PATCH 15/21] drm/i915/gvt: devirtualize ->inject_msi Christoph Hellwig
2021-07-21 15:53 ` [PATCH 16/21] drm/i915/gvt: devirtualize ->is_valid_gfn Christoph Hellwig
2021-07-21 15:53 ` Christoph Hellwig [this message]
2021-07-21 15:53 ` [PATCH 18/21] drm/i915/gvt: devirtualize ->{enable,disable}_page_track Christoph Hellwig
2021-07-21 15:53 ` [PATCH 19/21] drm/i915/gvt: devirtualize ->dma_{,un}map_guest_page Christoph Hellwig
2021-07-21 15:53 ` [PATCH 20/21] drm/i915/gvt: devirtualize dma_pin_guest_page Christoph Hellwig
2021-07-21 15:53 ` [PATCH 21/21] drm/i915/gvt: remove struct intel_gvt_mpt Christoph Hellwig
2021-07-22 9:45 ` refactor the i915 GVT support Zhenyu Wang
2021-07-22 12:55 ` Christoph Hellwig
2021-07-22 10:49 ` Wang, Zhi A
2021-07-22 11:26 ` Gerd Hoffmann
2021-07-27 12:12 ` Jason Gunthorpe
2021-07-28 13:38 ` Wang, Zhi A
2021-07-28 13:43 ` Greg KH
2021-07-28 17:59 ` Jason Gunthorpe
2021-07-29 7:20 ` Christoph Hellwig
2021-07-29 7:30 ` [Intel-gfx] " Daniel Vetter
2021-08-03 9:43 ` Zhenyu Wang
2021-08-03 14:30 ` Jason Gunthorpe
2021-08-04 5:26 ` Zhenyu Wang
2021-08-16 17:34 ` Christoph Hellwig
2021-08-17 1:08 ` Zhenyu Wang
2021-08-17 5:22 ` Zhenyu Wang
2021-08-19 8:29 ` Zhenyu Wang
2021-08-19 14:43 ` Joonas Lahtinen
2021-08-26 6:04 ` Zhenyu Wang
2021-08-20 14:17 ` Christoph Hellwig
2021-08-20 19:56 ` Luis Chamberlain
2021-08-26 6:12 ` Zhenyu Wang
2021-09-28 7:41 ` Wang, Zhi A
2021-09-28 14:00 ` Luis Chamberlain
2021-09-28 14:35 ` Wang, Zhi A
2021-09-28 15:05 ` Jason Gunthorpe
2021-09-29 18:27 ` Wang, Zhi A
2021-09-29 18:55 ` Jason Gunthorpe
2021-10-01 13:01 ` Wang, Zhi A
2021-10-05 7:33 ` Wang, Zhi A
2021-09-30 5:24 ` Christoph Hellwig
2021-08-26 6:08 ` Zhenyu Wang
2021-08-04 5:40 ` Christoph Hellwig
2021-07-29 8:19 ` Wang, Zhi A
2021-07-22 13:16 ` Greg KH
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