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authorYangbo Lu <yangbo.lu@nxp.com>2020-04-10 10:47:05 +0800
committerPetr Štetiar <ynezz@true.cz>2020-05-07 12:53:06 +0200
commitcddd4591404fb4c53dc0b3c0b15b942cdbed4356 (patch)
tree392c1179de46b0f804e3789edca19069b64e6b44 /target/linux/layerscape/patches-5.4/821-vfio-0010-vfio-fsl-mc-Map-the-VFIO-region-according-to-the-fla.patch
parentd1d2c0b5579ea4f69a42246c9318539d61ba1999 (diff)
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layerscape: add patches-5.4
Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release which was tagged LSDK-20.04-V5.4. https://source.codeaurora.org/external/qoriq/qoriq-components/linux/ For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in LSDK, port the dts patches from 4.14. The patches are sorted into the following categories: 301-arch-xxxx 302-dts-xxxx 303-core-xxxx 701-net-xxxx 801-audio-xxxx 802-can-xxxx 803-clock-xxxx 804-crypto-xxxx 805-display-xxxx 806-dma-xxxx 807-gpio-xxxx 808-i2c-xxxx 809-jailhouse-xxxx 810-keys-xxxx 811-kvm-xxxx 812-pcie-xxxx 813-pm-xxxx 814-qe-xxxx 815-sata-xxxx 816-sdhc-xxxx 817-spi-xxxx 818-thermal-xxxx 819-uart-xxxx 820-usb-xxxx 821-vfio-xxxx Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Diffstat (limited to 'target/linux/layerscape/patches-5.4/821-vfio-0010-vfio-fsl-mc-Map-the-VFIO-region-according-to-the-fla.patch')
-rw-r--r--target/linux/layerscape/patches-5.4/821-vfio-0010-vfio-fsl-mc-Map-the-VFIO-region-according-to-the-fla.patch38
1 files changed, 38 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/821-vfio-0010-vfio-fsl-mc-Map-the-VFIO-region-according-to-the-fla.patch b/target/linux/layerscape/patches-5.4/821-vfio-0010-vfio-fsl-mc-Map-the-VFIO-region-according-to-the-fla.patch
new file mode 100644
index 0000000000..1ddbd8e985
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/821-vfio-0010-vfio-fsl-mc-Map-the-VFIO-region-according-to-the-fla.patch
@@ -0,0 +1,38 @@
+From 41a18521d40ed19c2e22d8e41cc427d18f082b71 Mon Sep 17 00:00:00 2001
+From: Diana Craciun <diana.craciun@nxp.com>
+Date: Mon, 18 Nov 2019 16:32:08 +0200
+Subject: [PATCH] vfio/fsl-mc: Map the VFIO region according to the flags
+ received from mc firmware
+
+There are some VFIO regions which are cacheable (QMAN CENA region).
+These regions should be mapped cacheable.
+
+Signed-off-by: Diana Craciun <diana.craciun@nxp.com>
+---
+ drivers/vfio/fsl-mc/vfio_fsl_mc.c | 8 +++++++-
+ 1 file changed, 7 insertions(+), 1 deletion(-)
+
+--- a/drivers/vfio/fsl-mc/vfio_fsl_mc.c
++++ b/drivers/vfio/fsl-mc/vfio_fsl_mc.c
+@@ -106,6 +106,7 @@ static int vfio_fsl_mc_regions_init(stru
+ vdev->regions[i].flags |= VFIO_REGION_INFO_FLAG_READ;
+ if (!(mc_dev->regions[i].flags & IORESOURCE_READONLY))
+ vdev->regions[i].flags |= VFIO_REGION_INFO_FLAG_WRITE;
++ vdev->regions[i].type = mc_dev->regions[i].flags & IORESOURCE_BITS;
+ }
+
+ vdev->num_regions = mc_dev->obj_desc.region_count;
+@@ -451,7 +452,12 @@ static int vfio_fsl_mc_mmap_mmio(struct
+ if (region.size < PAGE_SIZE || base + size > region.size)
+ return -EINVAL;
+
+- vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
++ if (region.type & DPRC_REGION_CACHEABLE) {
++ if (!(region.type & DPRC_REGION_SHAREABLE))
++ vma->vm_page_prot = pgprot_cached_ns(vma->vm_page_prot);
++ } else
++ vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
++
+ vma->vm_pgoff = (region.addr >> PAGE_SHIFT) + pgoff;
+
+ return remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff,