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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 19/21] drm/i915/gvt: devirtualize ->dma_{,un}map_guest_page
Date: Wed, 21 Jul 2021 17:53:53 +0200 [thread overview]
Message-ID: <20210721155355.173183-20-hch@lst.de> (raw)
In-Reply-To: <20210721155355.173183-1-hch@lst.de>
Just call the functions directly. Also remove a pointless wrapper.
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
drivers/gpu/drm/i915/gvt/dmabuf.c | 10 ++--------
drivers/gpu/drm/i915/gvt/gtt.c | 20 +++++++++----------
drivers/gpu/drm/i915/gvt/gvt.h | 4 ++++
drivers/gpu/drm/i915/gvt/hypercall.h | 5 -----
drivers/gpu/drm/i915/gvt/kvmgt.c | 6 ++----
drivers/gpu/drm/i915/gvt/mpt.h | 29 ----------------------------
6 files changed, 17 insertions(+), 57 deletions(-)
diff --git a/drivers/gpu/drm/i915/gvt/dmabuf.c b/drivers/gpu/drm/i915/gvt/dmabuf.c
index bc53a0c60b44..03d82f4f9aa2 100644
--- a/drivers/gpu/drm/i915/gvt/dmabuf.c
+++ b/drivers/gpu/drm/i915/gvt/dmabuf.c
@@ -48,12 +48,6 @@ static int vgpu_pin_dma_address(struct intel_vgpu *vgpu,
return ret;
}
-static void vgpu_unpin_dma_address(struct intel_vgpu *vgpu,
- dma_addr_t dma_addr)
-{
- intel_gvt_hypervisor_dma_unmap_guest_page(vgpu, dma_addr);
-}
-
static int vgpu_gem_get_pages(
struct drm_i915_gem_object *obj)
{
@@ -108,7 +102,7 @@ static int vgpu_gem_get_pages(
for_each_sg(st->sgl, sg, i, j) {
dma_addr = sg_dma_address(sg);
if (dma_addr)
- vgpu_unpin_dma_address(vgpu, dma_addr);
+ intel_gvt_dma_unmap_guest_page(vgpu, dma_addr);
}
sg_free_table(st);
kfree(st);
@@ -130,7 +124,7 @@ static void vgpu_gem_put_pages(struct drm_i915_gem_object *obj,
int i;
for_each_sg(pages->sgl, sg, fb_info->size, i)
- vgpu_unpin_dma_address(vgpu,
+ intel_gvt_dma_unmap_guest_page(vgpu,
sg_dma_address(sg));
}
diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c
index 75782f59df8e..0ae28b7f5c07 100644
--- a/drivers/gpu/drm/i915/gvt/gtt.c
+++ b/drivers/gpu/drm/i915/gvt/gtt.c
@@ -1011,7 +1011,7 @@ static inline void ppgtt_invalidate_pte(struct intel_vgpu_ppgtt_spt *spt,
if (!pfn || pfn == vgpu->gtt.scratch_pt[type].page_mfn)
return;
- intel_gvt_hypervisor_dma_unmap_guest_page(vgpu, pfn << PAGE_SHIFT);
+ intel_gvt_dma_unmap_guest_page(vgpu, pfn << PAGE_SHIFT);
}
static int ppgtt_invalidate_spt(struct intel_vgpu_ppgtt_spt *spt)
@@ -1210,8 +1210,8 @@ static int split_2MB_gtt_entry(struct intel_vgpu *vgpu,
return PTR_ERR(sub_spt);
for_each_shadow_entry(sub_spt, &sub_se, sub_index) {
- ret = intel_gvt_hypervisor_dma_map_guest_page(vgpu,
- start_gfn + sub_index, PAGE_SIZE, &dma_addr);
+ ret = intel_gvt_dma_map_guest_page(vgpu, start_gfn + sub_index,
+ PAGE_SIZE, &dma_addr);
if (ret) {
ppgtt_invalidate_spt(spt);
return ret;
@@ -1256,8 +1256,8 @@ static int split_64KB_gtt_entry(struct intel_vgpu *vgpu,
ops->set_64k_splited(&entry);
for (i = 0; i < GTT_64K_PTE_STRIDE; i++) {
- ret = intel_gvt_hypervisor_dma_map_guest_page(vgpu,
- start_gfn + i, PAGE_SIZE, &dma_addr);
+ ret = intel_gvt_dma_map_guest_page(vgpu, start_gfn + i,
+ PAGE_SIZE, &dma_addr);
if (ret)
return ret;
@@ -1311,8 +1311,7 @@ static int ppgtt_populate_shadow_entry(struct intel_vgpu *vgpu,
}
/* direct shadow */
- ret = intel_gvt_hypervisor_dma_map_guest_page(vgpu, gfn, page_size,
- &dma_addr);
+ ret = intel_gvt_dma_map_guest_page(vgpu, gfn, page_size, &dma_addr);
if (ret)
return -ENXIO;
@@ -2243,8 +2242,7 @@ static void ggtt_invalidate_pte(struct intel_vgpu *vgpu,
pfn = pte_ops->get_pfn(entry);
if (pfn != vgpu->gvt->gtt.scratch_mfn)
- intel_gvt_hypervisor_dma_unmap_guest_page(vgpu,
- pfn << PAGE_SHIFT);
+ intel_gvt_dma_unmap_guest_page(vgpu, pfn << PAGE_SHIFT);
}
static int emulate_ggtt_mmio_write(struct intel_vgpu *vgpu, unsigned int off,
@@ -2335,8 +2333,8 @@ static int emulate_ggtt_mmio_write(struct intel_vgpu *vgpu, unsigned int off,
goto out;
}
- ret = intel_gvt_hypervisor_dma_map_guest_page(vgpu, gfn,
- PAGE_SIZE, &dma_addr);
+ ret = intel_gvt_dma_map_guest_page(vgpu, gfn, PAGE_SIZE,
+ &dma_addr);
if (ret) {
gvt_vgpu_err("fail to populate guest ggtt entry\n");
/* guest driver may read/write the entry when partial
diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h
index e186ded7ec68..9d5a286e1269 100644
--- a/drivers/gpu/drm/i915/gvt/gvt.h
+++ b/drivers/gpu/drm/i915/gvt/gvt.h
@@ -766,6 +766,10 @@ void intel_gvt_debugfs_clean(struct intel_gvt *gvt);
int intel_gvt_page_track_add(struct intel_vgpu *info, u64 gfn);
int intel_gvt_page_track_remove(struct intel_vgpu *info, u64 gfn);
+int intel_gvt_dma_map_guest_page(struct intel_vgpu *vgpu, unsigned long gfn,
+ unsigned long size, dma_addr_t *dma_addr);
+void intel_gvt_dma_unmap_guest_page(struct intel_vgpu *vgpu,
+ dma_addr_t dma_addr);
#include "trace.h"
#include "mpt.h"
diff --git a/drivers/gpu/drm/i915/gvt/hypercall.h b/drivers/gpu/drm/i915/gvt/hypercall.h
index ded13a63ab66..ba03b3368a95 100644
--- a/drivers/gpu/drm/i915/gvt/hypercall.h
+++ b/drivers/gpu/drm/i915/gvt/hypercall.h
@@ -46,11 +46,6 @@ struct intel_gvt_mpt {
int (*host_init)(struct device *dev, void *gvt);
void (*host_exit)(struct device *dev, void *gvt);
- int (*dma_map_guest_page)(struct intel_vgpu *vgpu, unsigned long gfn,
- unsigned long size, dma_addr_t *dma_addr);
- void (*dma_unmap_guest_page)(struct intel_vgpu *vgpu,
- dma_addr_t dma_addr);
-
int (*dma_pin_guest_page)(struct intel_vgpu *vgpu, dma_addr_t dma_addr);
};
diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c
index 72e33332c412..8101c1485f12 100644
--- a/drivers/gpu/drm/i915/gvt/kvmgt.c
+++ b/drivers/gpu/drm/i915/gvt/kvmgt.c
@@ -1855,7 +1855,7 @@ void intel_vgpu_detach_regions(struct intel_vgpu *vgpu)
vgpu->region = NULL;
}
-static int kvmgt_dma_map_guest_page(struct intel_vgpu *vgpu, unsigned long gfn,
+int intel_gvt_dma_map_guest_page(struct intel_vgpu *vgpu, unsigned long gfn,
unsigned long size, dma_addr_t *dma_addr)
{
struct gvt_dma *entry;
@@ -1931,7 +1931,7 @@ static void __gvt_dma_release(struct kref *ref)
__gvt_cache_remove_entry(entry->vgpu, entry);
}
-static void kvmgt_dma_unmap_guest_page(struct intel_vgpu *vgpu,
+void intel_gvt_dma_unmap_guest_page(struct intel_vgpu *vgpu,
dma_addr_t dma_addr)
{
struct gvt_dma *entry;
@@ -1949,8 +1949,6 @@ static void kvmgt_dma_unmap_guest_page(struct intel_vgpu *vgpu,
static const struct intel_gvt_mpt kvmgt_mpt = {
.host_init = kvmgt_host_init,
.host_exit = kvmgt_host_exit,
- .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 d2723ac8bb04..26c1ee690f7e 100644
--- a/drivers/gpu/drm/i915/gvt/mpt.h
+++ b/drivers/gpu/drm/i915/gvt/mpt.h
@@ -71,35 +71,6 @@ static inline void intel_gvt_hypervisor_host_exit(struct device *dev, void *gvt)
intel_gvt_host.mpt->host_exit(dev, gvt);
}
-/**
- * intel_gvt_hypervisor_dma_map_guest_page - setup dma map for guest page
- * @vgpu: a vGPU
- * @gfn: guest pfn
- * @size: page size
- * @dma_addr: retrieve allocated dma addr
- *
- * Returns:
- * 0 on success, negative error code if failed.
- */
-static inline int intel_gvt_hypervisor_dma_map_guest_page(
- struct intel_vgpu *vgpu, unsigned long gfn, unsigned long size,
- dma_addr_t *dma_addr)
-{
- return intel_gvt_host.mpt->dma_map_guest_page(vgpu, gfn, size,
- dma_addr);
-}
-
-/**
- * intel_gvt_hypervisor_dma_unmap_guest_page - cancel dma map for guest page
- * @vgpu: a vGPU
- * @dma_addr: the mapped dma addr
- */
-static inline void intel_gvt_hypervisor_dma_unmap_guest_page(
- struct intel_vgpu *vgpu, dma_addr_t dma_addr)
-{
- intel_gvt_host.mpt->dma_unmap_guest_page(vgpu, dma_addr);
-}
-
/**
* intel_gvt_hypervisor_dma_pin_guest_page - pin guest dma buf
* @vgpu: a vGPU
--
2.30.2
next prev parent reply other threads:[~2021-07-21 16:01 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 ` [PATCH 17/21] drm/i915/gvt: devirtualize ->gfn_to_mfn Christoph Hellwig
2021-07-21 15:53 ` [PATCH 18/21] drm/i915/gvt: devirtualize ->{enable,disable}_page_track Christoph Hellwig
2021-07-21 15:53 ` Christoph Hellwig [this message]
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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