Pass the structure we actually care about instead of deriving it from the mdev_device in the lower level code.
Signed-off-by: Christoph Hellwig <h...@lst.de> --- drivers/gpu/drm/i915/gvt/kvmgt.c | 28 ++++++++++++++-------------- 1 file changed, 14 insertions(+), 14 deletions(-) diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c index 021cd8328db32..d3e0a3f5559db 100644 --- a/drivers/gpu/drm/i915/gvt/kvmgt.c +++ b/drivers/gpu/drm/i915/gvt/kvmgt.c @@ -989,10 +989,9 @@ static int intel_vgpu_aperture_rw(struct intel_vgpu *vgpu, u64 off, return 0; } -static ssize_t intel_vgpu_rw(struct mdev_device *mdev, char *buf, +static ssize_t intel_vgpu_rw(struct intel_vgpu *vgpu, char *buf, size_t count, loff_t *ppos, bool is_write) { - struct intel_vgpu *vgpu = mdev_get_drvdata(mdev); unsigned int index = VFIO_PCI_OFFSET_TO_INDEX(*ppos); u64 pos = *ppos & VFIO_PCI_OFFSET_MASK; int ret = -EINVAL; @@ -1038,9 +1037,8 @@ static ssize_t intel_vgpu_rw(struct mdev_device *mdev, char *buf, return ret == 0 ? count : ret; } -static bool gtt_entry(struct mdev_device *mdev, loff_t *ppos) +static bool gtt_entry(struct intel_vgpu *vgpu, loff_t *ppos) { - struct intel_vgpu *vgpu = mdev_get_drvdata(mdev); unsigned int index = VFIO_PCI_OFFSET_TO_INDEX(*ppos); struct intel_gvt *gvt = vgpu->gvt; int offset; @@ -1060,6 +1058,7 @@ static bool gtt_entry(struct mdev_device *mdev, loff_t *ppos) static ssize_t intel_vgpu_read(struct mdev_device *mdev, char __user *buf, size_t count, loff_t *ppos) { + struct intel_vgpu *vgpu = mdev_get_drvdata(mdev); unsigned int done = 0; int ret; @@ -1068,10 +1067,10 @@ static ssize_t intel_vgpu_read(struct mdev_device *mdev, char __user *buf, /* Only support GGTT entry 8 bytes read */ if (count >= 8 && !(*ppos % 8) && - gtt_entry(mdev, ppos)) { + gtt_entry(vgpu, ppos)) { u64 val; - ret = intel_vgpu_rw(mdev, (char *)&val, sizeof(val), + ret = intel_vgpu_rw(vgpu, (char *)&val, sizeof(val), ppos, false); if (ret <= 0) goto read_err; @@ -1083,7 +1082,7 @@ static ssize_t intel_vgpu_read(struct mdev_device *mdev, char __user *buf, } else if (count >= 4 && !(*ppos % 4)) { u32 val; - ret = intel_vgpu_rw(mdev, (char *)&val, sizeof(val), + ret = intel_vgpu_rw(vgpu, (char *)&val, sizeof(val), ppos, false); if (ret <= 0) goto read_err; @@ -1095,7 +1094,7 @@ static ssize_t intel_vgpu_read(struct mdev_device *mdev, char __user *buf, } else if (count >= 2 && !(*ppos % 2)) { u16 val; - ret = intel_vgpu_rw(mdev, (char *)&val, sizeof(val), + ret = intel_vgpu_rw(vgpu, (char *)&val, sizeof(val), ppos, false); if (ret <= 0) goto read_err; @@ -1107,7 +1106,7 @@ static ssize_t intel_vgpu_read(struct mdev_device *mdev, char __user *buf, } else { u8 val; - ret = intel_vgpu_rw(mdev, &val, sizeof(val), ppos, + ret = intel_vgpu_rw(vgpu, &val, sizeof(val), ppos, false); if (ret <= 0) goto read_err; @@ -1134,6 +1133,7 @@ static ssize_t intel_vgpu_write(struct mdev_device *mdev, const char __user *buf, size_t count, loff_t *ppos) { + struct intel_vgpu *vgpu = mdev_get_drvdata(mdev); unsigned int done = 0; int ret; @@ -1142,13 +1142,13 @@ static ssize_t intel_vgpu_write(struct mdev_device *mdev, /* Only support GGTT entry 8 bytes write */ if (count >= 8 && !(*ppos % 8) && - gtt_entry(mdev, ppos)) { + gtt_entry(vgpu, ppos)) { u64 val; if (copy_from_user(&val, buf, sizeof(val))) goto write_err; - ret = intel_vgpu_rw(mdev, (char *)&val, sizeof(val), + ret = intel_vgpu_rw(vgpu, (char *)&val, sizeof(val), ppos, true); if (ret <= 0) goto write_err; @@ -1160,7 +1160,7 @@ static ssize_t intel_vgpu_write(struct mdev_device *mdev, if (copy_from_user(&val, buf, sizeof(val))) goto write_err; - ret = intel_vgpu_rw(mdev, (char *)&val, sizeof(val), + ret = intel_vgpu_rw(vgpu, (char *)&val, sizeof(val), ppos, true); if (ret <= 0) goto write_err; @@ -1172,7 +1172,7 @@ static ssize_t intel_vgpu_write(struct mdev_device *mdev, if (copy_from_user(&val, buf, sizeof(val))) goto write_err; - ret = intel_vgpu_rw(mdev, (char *)&val, + ret = intel_vgpu_rw(vgpu, (char *)&val, sizeof(val), ppos, true); if (ret <= 0) goto write_err; @@ -1184,7 +1184,7 @@ static ssize_t intel_vgpu_write(struct mdev_device *mdev, if (copy_from_user(&val, buf, sizeof(val))) goto write_err; - ret = intel_vgpu_rw(mdev, &val, sizeof(val), + ret = intel_vgpu_rw(vgpu, &val, sizeof(val), ppos, true); if (ret <= 0) goto write_err; -- 2.30.2