accel/amdxdna: Block running under a hypervisor

[ Upstream commit 7bbf6d15e935abbb3d604c1fa157350e84a26f98 ]

SVA support is required, which isn't configured by hypervisor
solutions.

Closes: https://github.com/QubesOS/qubes-issues/issues/10275
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4656
Reviewed-by: Lizhi Hou <lizhi.hou@amd.com>
Link: https://patch.msgid.link/20251213054513.87925-1-superm1@kernel.org
Signed-off-by: Mario Limonciello (AMD) <superm1@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/accel/amdxdna/aie2_pci.c b/drivers/accel/amdxdna/aie2_pci.c
index 43f725e1a2d761dcaacebb1fd46fc6c149531478..6e07793bbeacf81046a942a0c96afd23f1aaeb12 100644 (file)
--- a/drivers/accel/amdxdna/aie2_pci.c
+++ b/drivers/accel/amdxdna/aie2_pci.c
@@ -17,6 +17,7 @@
 #include <linux/iopoll.h>
 #include <linux/pci.h>
 #include <linux/xarray.h>
+#include <asm/hypervisor.h>
 
 #include "aie2_msg_priv.h"
 #include "aie2_pci.h"
@@ -486,6 +487,11 @@ static int aie2_init(struct amdxdna_dev *xdna)
        unsigned long bars = 0;
        int i, nvec, ret;
 
+       if (!hypervisor_is_type(X86_HYPER_NATIVE)) {
+               XDNA_ERR(xdna, "Running under hypervisor not supported");
+               return -EINVAL;
+       }
+
        ndev = drmm_kzalloc(&xdna->ddev, sizeof(*ndev), GFP_KERNEL);
        if (!ndev)
                return -ENOMEM;