Robert,
I'm hoping that the set of commits done for
https://reviews.freebsd.org/D19646 will fix the pcie reset problems.
Apparently pcie wasn't auto retraining after reset. I don't know if
connected to that review but wanted to let you know.
On Wed, Apr 3, 2019 at 7:42 PM Robert Crowston via freebsd-virtualization <
freebsd-virtualization@freebsd.org> wrote:
> To get Windows to boot I think the only hacks I needed were in bhyve/mem.c
> (this is not production ready!)
>
> Diff'd against 12.0-release
>
> -- /tmp//sh-np.vFXFJd 2019-04-04 00:29:32.752990000 +0100
> +++ mem.c 2019-03-02 22:27:14.500906000 +0000
> @@ -101,20 +101,22 @@
> }
>
> static int
> -mmio_rb_add(struct mmio_rb_tree *rbt, struct mmio_rb_range *new)
> +mmio_rb_add(struct mmio_rb_tree *rbt, struct mmio_rb_range *new_element)
> {
> struct mmio_rb_range *overlap;
>
> - overlap = RB_INSERT(mmio_rb_tree, rbt, new);
> + overlap = RB_INSERT(mmio_rb_tree, rbt, new_element);
>
> + printf("mmio_rb_add: %lx:%lx\n", new_element->mr_base,
> new_element->mr_end);
> +
> if (overlap != NULL) {
> -#ifdef RB_DEBUG
> - printf("overlap detected: new %lx:%lx, tree %lx:%lx\n",
> - new->mr_base, new->mr_end,
> +//#ifdef RB_DEBUG
> + printf("overlap detected: new_element %lx:%lx, tree
> %lx:%lx\n",
> + new_element->mr_base, new_element->mr_end,
> overlap->mr_base, overlap->mr_end);
> -#endif
> +//#endif
>
> - return (EEXIST);
> +// return (EEXIST);
> }
>
> return (0);
> @@ -336,6 +338,8 @@
> assert((mr->flags & MEM_F_IMMUTABLE) == 0);
> RB_REMOVE(mmio_rb_tree, &mmio_rb_root, entry);
>
> + printf("unregister: %lx:%lx\n", mr->base,
> mr->base+mr->size);
> +
> /* flush Per-vCPU cache */
> for (i=0; i < VM_MAXCPU; i++) {
> if (mmio_hint[i] == entry)
> @@ -348,7 +352,12 @@
> if (entry)
> free(entry);
>
> - return (err);
> + if (err)
> + fprintf( stderr, "Unregister mem errno %d for range
> %lx:%lx.\n", err,
> + memp->base, memp->base + memp->size );
> +
> + return 0;
> + //return (err);
> }
>
>
>
>
> ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
> On Thursday, 28 March 2019 22:02, Ruslan Bukin <b...@bsdpad.com> wrote:
>
> > Hi Robert:
> >
> > On Sun, Mar 17, 2019 at 04:22:29PM +0000, Robert Crowston via
> freebsd-virtualization wrote:
> >
> > > Is it worth me continuing to hack away at these problems---of course
> I'm happy to share anything I come up with---or is there an official
> solution to GPU support in the pipe about to make my efforts redundant :)?
> >
> > Could you share your patch/hacks somewhere?
> > I would like to try it with AMD graphics card and Windows.
> >
> > Ruslan
>
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