Attachment 216468 Details for Bug 222996 – Proposed patch to reserve io sapce 0xf8000000 - 0xf87fffff on HyperV

[patch] Proposed patch to reserve io sapce 0xf8000000 - 0xf87fffff on HyperV

fb_reserve_071520.patch (text/plain), 1.23 KB, created by Wei Hu on 2020-07-15 13:42:31 UTC

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Creator: Wei Hu

Created: 2020-07-15 13:42:31 UTC

Size: 1.23 KB

patch

obsolete

>Index: dev/hyperv/vmbus/vmbus.c
>===================================================================
>--- dev/hyperv/vmbus/vmbus.c	(revision 349331)
>+++ dev/hyperv/vmbus/vmbus.c	(working copy)
>@@ -1292,7 +1292,35 @@
> 	vmbus_get_mmio_res_pass(dev, parse_32);
> }
> 
>+#if 1 /*XXX */
>+#define VMBUS_FB_MMIO_START		0xf8000000
>+#define VMBUS_FB_MMIO_END		0xf8800000
>+#define VMBUS_FB_MMIO_SIZE		0x800000
>+
>+static struct resource *hv_fb_res;
>+
> static void
>+vmbus_fb_mmio_res(device_t dev)
>+{
>+	struct vmbus_softc *sc = device_get_softc(dev);
>+	int rid = 0;
>+
>+	hv_fb_res = pcib_host_res_alloc(&sc->vmbus_mmio_res, dev,
>+	    SYS_RES_MEMORY, &rid,
>+	    VMBUS_FB_MMIO_START, VMBUS_FB_MMIO_END, VMBUS_FB_MMIO_SIZE,
>+	    RF_ACTIVE | rman_make_alignment_flags(PAGE_SIZE));
>+
>+	if (hv_fb_res && bootverbose)
>+		device_printf(dev,
>+		    "successfully reserved memory for framebuffer\n");
>+
>+	if (!hv_fb_res)
>+		device_printf(dev,
>+		    "XXX failed to reserve memory for framebuffer\n");
>+}
>+#endif
>+
>+static void
> vmbus_free_mmio_res(device_t dev)
> {
> 	struct vmbus_softc *sc = device_get_softc(dev);
>@@ -1347,6 +1375,7 @@
> 
> #ifdef NEW_PCIB
> 	vmbus_get_mmio_res(sc->vmbus_dev);
>+	vmbus_fb_mmio_res(sc->vmbus_dev);
> #endif
> 
> 	sc->vmbus_flags |= VMBUS_FLAG_ATTACHED;

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Attachments on bug 222996: 187158 | 194707 | 216006 | 216007 | 216468 | 216621 | 223208 | 223209 | 223210 | 223211 | 223225 | 223226 | 223227