diff options
author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2017-11-21 11:33:10 +0100 |
---|---|---|
committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2017-11-21 14:17:56 +0100 |
commit | 70c5f93669249886b151812076509f30569aff80 (patch) | |
tree | 05dce785f3a70e022b91016c87e4092f143a2fef /drivers/gpu/drm/i915/gvt/kvmgt.c | |
parent | c83ecfa5851f4d35be88f32dabb3a53f51cf5c32 (diff) | |
parent | f150891fd9878ef0d9197c4e8451ce67c3bdd014 (diff) |
Merge airlied/drm-next into drm-misc-next
Bake in the conflict between the drm_print.h extraction and the
addition of DRM_DEBUG_LEASES since we lost it a few too many times.
Also fix a new use of drm_plane_helper_check_state in msm to follow
Ville's conversion in
commit a01cb8ba3f6282934cff65e89ab36b18b14cbe27
Author: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Wed Nov 1 22:16:19 2017 +0200
drm: Move drm_plane_helper_check_state() into drm_atomic_helper.c
Acked-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/kvmgt.c')
-rw-r--r-- | drivers/gpu/drm/i915/gvt/kvmgt.c | 44 |
1 files changed, 26 insertions, 18 deletions
diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c index 83e88c70272a..96060920a6fe 100644 --- a/drivers/gpu/drm/i915/gvt/kvmgt.c +++ b/drivers/gpu/drm/i915/gvt/kvmgt.c @@ -609,21 +609,20 @@ static void intel_vgpu_release_work(struct work_struct *work) __intel_vgpu_release(vgpu); } -static uint64_t intel_vgpu_get_bar0_addr(struct intel_vgpu *vgpu) +static uint64_t intel_vgpu_get_bar_addr(struct intel_vgpu *vgpu, int bar) { u32 start_lo, start_hi; u32 mem_type; - int pos = PCI_BASE_ADDRESS_0; - start_lo = (*(u32 *)(vgpu->cfg_space.virtual_cfg_space + pos)) & + start_lo = (*(u32 *)(vgpu->cfg_space.virtual_cfg_space + bar)) & PCI_BASE_ADDRESS_MEM_MASK; - mem_type = (*(u32 *)(vgpu->cfg_space.virtual_cfg_space + pos)) & + mem_type = (*(u32 *)(vgpu->cfg_space.virtual_cfg_space + bar)) & PCI_BASE_ADDRESS_MEM_TYPE_MASK; switch (mem_type) { case PCI_BASE_ADDRESS_MEM_TYPE_64: start_hi = (*(u32 *)(vgpu->cfg_space.virtual_cfg_space - + pos + 4)); + + bar + 4)); break; case PCI_BASE_ADDRESS_MEM_TYPE_32: case PCI_BASE_ADDRESS_MEM_TYPE_1M: @@ -637,6 +636,21 @@ static uint64_t intel_vgpu_get_bar0_addr(struct intel_vgpu *vgpu) return ((u64)start_hi << 32) | start_lo; } +static int intel_vgpu_bar_rw(struct intel_vgpu *vgpu, int bar, uint64_t off, + void *buf, unsigned int count, bool is_write) +{ + uint64_t bar_start = intel_vgpu_get_bar_addr(vgpu, bar); + int ret; + + if (is_write) + ret = intel_gvt_ops->emulate_mmio_write(vgpu, + bar_start + off, buf, count); + else + ret = intel_gvt_ops->emulate_mmio_read(vgpu, + bar_start + off, buf, count); + return ret; +} + static ssize_t intel_vgpu_rw(struct mdev_device *mdev, char *buf, size_t count, loff_t *ppos, bool is_write) { @@ -661,20 +675,14 @@ static ssize_t intel_vgpu_rw(struct mdev_device *mdev, char *buf, buf, count); break; case VFIO_PCI_BAR0_REGION_INDEX: - case VFIO_PCI_BAR1_REGION_INDEX: - if (is_write) { - uint64_t bar0_start = intel_vgpu_get_bar0_addr(vgpu); - - ret = intel_gvt_ops->emulate_mmio_write(vgpu, - bar0_start + pos, buf, count); - } else { - uint64_t bar0_start = intel_vgpu_get_bar0_addr(vgpu); - - ret = intel_gvt_ops->emulate_mmio_read(vgpu, - bar0_start + pos, buf, count); - } + ret = intel_vgpu_bar_rw(vgpu, PCI_BASE_ADDRESS_0, pos, + buf, count, is_write); break; case VFIO_PCI_BAR2_REGION_INDEX: + ret = intel_vgpu_bar_rw(vgpu, PCI_BASE_ADDRESS_2, pos, + buf, count, is_write); + break; + case VFIO_PCI_BAR1_REGION_INDEX: case VFIO_PCI_BAR3_REGION_INDEX: case VFIO_PCI_BAR4_REGION_INDEX: case VFIO_PCI_BAR5_REGION_INDEX: @@ -970,7 +978,7 @@ static long intel_vgpu_ioctl(struct mdev_device *mdev, unsigned int cmd, switch (info.index) { case VFIO_PCI_CONFIG_REGION_INDEX: info.offset = VFIO_PCI_INDEX_TO_OFFSET(info.index); - info.size = INTEL_GVT_MAX_CFG_SPACE_SZ; + info.size = vgpu->gvt->device_info.cfg_space_size; info.flags = VFIO_REGION_INFO_FLAG_READ | VFIO_REGION_INFO_FLAG_WRITE; break; |