diff options
| author | Per Larsen <perlarsen@google.com> | 2025-08-20 01:10:09 +0000 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2025-09-08 19:30:59 +0100 |
| commit | 3f5952917498e7bb9d227812d4349668f62c413b (patch) | |
| tree | edf0656fb40df7ba14ce1f91b95b21a04b990238 /include | |
| parent | KVM: arm64: Mark optional FF-A 1.2 interfaces as unsupported (diff) | |
| download | linux-3f5952917498e7bb9d227812d4349668f62c413b.tar.gz linux-3f5952917498e7bb9d227812d4349668f62c413b.zip | |
KVM: arm64: Mask response to FFA_FEATURE call
The minimum size and alignment boundary for FFA_RXTX_MAP is returned in
bit[1:0]. Mask off any other bits in w2 when reading the minimum buffer
size in hyp_ffa_post_init.
Acked-by: Will Deacon <will@kernel.org>
Signed-off-by: Per Larsen <perlarsen@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/arm_ffa.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/arm_ffa.h b/include/linux/arm_ffa.h index e1634897e159..cd7ee4df9045 100644 --- a/include/linux/arm_ffa.h +++ b/include/linux/arm_ffa.h @@ -128,6 +128,7 @@ #define FFA_FEAT_RXTX_MIN_SZ_4K 0 #define FFA_FEAT_RXTX_MIN_SZ_64K 1 #define FFA_FEAT_RXTX_MIN_SZ_16K 2 +#define FFA_FEAT_RXTX_MIN_SZ_MASK GENMASK(1, 0) /* FFA Bus/Device/Driver related */ struct ffa_device { |