summaryrefslogtreecommitdiff
path: root/arch/arm64/kvm/hyp/nvhe/ffa.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm64/kvm/hyp/nvhe/ffa.c')
-rw-r--r--arch/arm64/kvm/hyp/nvhe/ffa.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/arch/arm64/kvm/hyp/nvhe/ffa.c b/arch/arm64/kvm/hyp/nvhe/ffa.c
index ab4f5d160c58..320f2eaa14a9 100644
--- a/arch/arm64/kvm/hyp/nvhe/ffa.c
+++ b/arch/arm64/kvm/hyp/nvhe/ffa.c
@@ -423,6 +423,7 @@ static __always_inline void do_ffa_mem_xfer(const u64 func_id,
DECLARE_REG(u32, fraglen, ctxt, 2);
DECLARE_REG(u64, addr_mbz, ctxt, 3);
DECLARE_REG(u32, npages_mbz, ctxt, 4);
+ struct ffa_mem_region_attributes *ep_mem_access;
struct ffa_composite_mem_region *reg;
struct ffa_mem_region *buf;
u32 offset, nr_ranges;
@@ -452,7 +453,9 @@ static __always_inline void do_ffa_mem_xfer(const u64 func_id,
buf = hyp_buffers.tx;
memcpy(buf, host_buffers.tx, fraglen);
- offset = buf->ep_mem_access[0].composite_off;
+ ep_mem_access = (void *)buf +
+ ffa_mem_desc_offset(buf, 0, FFA_VERSION_1_0);
+ offset = ep_mem_access->composite_off;
if (!offset || buf->ep_count != 1 || buf->sender_id != HOST_FFA_ID) {
ret = FFA_RET_INVALID_PARAMETERS;
goto out_unlock;
@@ -504,6 +507,7 @@ static void do_ffa_mem_reclaim(struct arm_smccc_res *res,
DECLARE_REG(u32, handle_lo, ctxt, 1);
DECLARE_REG(u32, handle_hi, ctxt, 2);
DECLARE_REG(u32, flags, ctxt, 3);
+ struct ffa_mem_region_attributes *ep_mem_access;
struct ffa_composite_mem_region *reg;
u32 offset, len, fraglen, fragoff;
struct ffa_mem_region *buf;
@@ -528,7 +532,9 @@ static void do_ffa_mem_reclaim(struct arm_smccc_res *res,
len = res->a1;
fraglen = res->a2;
- offset = buf->ep_mem_access[0].composite_off;
+ ep_mem_access = (void *)buf +
+ ffa_mem_desc_offset(buf, 0, FFA_VERSION_1_0);
+ offset = ep_mem_access->composite_off;
/*
* We can trust the SPMD to get this right, but let's at least
* check that we end up with something that doesn't look _completely_
@@ -634,9 +640,8 @@ out_handled:
return true;
}
-bool kvm_host_ffa_handler(struct kvm_cpu_context *host_ctxt)
+bool kvm_host_ffa_handler(struct kvm_cpu_context *host_ctxt, u32 func_id)
{
- DECLARE_REG(u64, func_id, host_ctxt, 0);
struct arm_smccc_res res;
/*