#include <drm/ttm/ttm_placement.h>
#include <generated/utsrelease.h>
+#ifdef CONFIG_X86
+#include <asm/hypervisor.h>
+#endif
#include <linux/cc_platform.h>
#include <linux/dma-mapping.h>
#include <linux/module.h>
cap2_names, ARRAY_SIZE(cap2_names));
}
+ if (!vmwgfx_supported(dev_priv)) {
+ vmw_disable_backdoor();
+ drm_err_once(&dev_priv->drm,
+ "vmwgfx seems to be running on an unsupported hypervisor.");
+ drm_err_once(&dev_priv->drm,
+ "This configuration is likely broken.");
+ drm_err_once(&dev_priv->drm,
+ "Please switch to a supported graphics device to avoid problems.");
+ }
+
ret = vmw_dma_select_mode(dev_priv);
if (unlikely(ret != 0)) {
drm_info(&dev_priv->drm,
vmw_kms_legacy_hotspot_clear(dev_priv);
}
+bool vmwgfx_supported(struct vmw_private *vmw)
+{
+#if defined(CONFIG_X86)
+ return hypervisor_is_type(X86_HYPER_VMWARE);
+#elif defined(CONFIG_ARM64)
+ /*
+ * On aarch64 only svga3 is supported
+ */
+ return vmw->pci_id == VMWGFX_PCI_ID_SVGA3;
+#else
+ drm_warn_once(&vmw->drm,
+ "vmwgfx is running on an unknown architecture.");
+ return false;
+#endif
+}
+
/**
* __vmw_svga_enable - Enable SVGA mode, FIFO and use of VRAM.
*
extern void vmw_svga_enable(struct vmw_private *dev_priv);
extern void vmw_svga_disable(struct vmw_private *dev_priv);
+bool vmwgfx_supported(struct vmw_private *vmw);
/**
struct vmw_diff_cpy *diff);
/* Host messaging -vmwgfx_msg.c: */
+void vmw_disable_backdoor(void);
int vmw_host_get_guestinfo(const char *guest_info_param,
char *buffer, size_t *length);
__printf(1, 2) int vmw_host_printf(const char *fmt, ...);