Attachment #219488 for bug #250802




	struct pptseg *seg;
	struct pptdev *ppt;

bool mine = gpa == 0xd0000000;
if (mine) printf("ppt_map_mmio: pci0:%d:%d:%d\n", bus, slot, func);
	ppt = ppt_find(bus, slot, func);
	if (ppt != NULL) {
 if (ppt->vm != vm && mine) printf("ppt_map_mmio: EBUSY\n");
		if (ppt->vm != vm)
			return (EBUSY);


					seg->gpa = gpa;
					seg->len = len;
				}
if (mine) printf("ppt_map_mmio: vm_map_mmio %d\n", error);
				return (error);
			}
		}
if (mine) printf("ppt_map_mmio: ENOSPC\n");
		return (ENOSPC);
	}
if (mine) printf("ppt_map_mmio: ENOENT\n");
	return (ENOENT);
}


Lines 650-655 vm_mem_allocated(struct vm *vm, int vcpuid, vm_paddr_t gpa) Link Here

(-)b/sys/amd64/vmm/vmm.c (+1 lines)
650	return (true); /* 'gpa' is sysmem or devmem */	650	return (true); /* 'gpa' is sysmem or devmem */
651	}	651	}
652		652
		653	if (gpa >= 0xd0000000 && gpa < 0xe0000000) printf("ppt_is_mmio %#lx %d\n", gpa, ppt_is_mmio(vm, gpa));
653	if (ppt_is_mmio(vm, gpa))	654	if (ppt_is_mmio(vm, gpa))
654	return (true); /* 'gpa' is pci passthru mmio */	655	return (true); /* 'gpa' is pci passthru mmio */
655		656

Return to bug 250802

Lines 452-459 ppt_map_mmio(struct vm *vm, int bus, int slot, int func, Link Here

(-)b/sys/amd64/vmm/io/ppt.c (+6 lines)
452	struct pptseg *seg;	452	struct pptseg *seg;
453	struct pptdev *ppt;	453	struct pptdev *ppt;
454		454
		455	bool mine = gpa == 0xd0000000;
		456	if (mine) printf("ppt_map_mmio: pci0:%d:%d:%d\n", bus, slot, func);
455	ppt = ppt_find(bus, slot, func);	457	ppt = ppt_find(bus, slot, func);
456	if (ppt != NULL) {	458	if (ppt != NULL) {
		459	if (ppt->vm != vm && mine) printf("ppt_map_mmio: EBUSY\n");
457	if (ppt->vm != vm)	460	if (ppt->vm != vm)
458	return (EBUSY);	461	return (EBUSY);
459		462
Lines 465-475 ppt_map_mmio(struct vm *vm, int bus, int slot, int func, Link Here
465	seg->gpa = gpa;	468	seg->gpa = gpa;
466	seg->len = len;	469	seg->len = len;
467	}	470	}
		471	if (mine) printf("ppt_map_mmio: vm_map_mmio %d\n", error);
468	return (error);	472	return (error);
469	}	473	}
470	}	474	}
		475	if (mine) printf("ppt_map_mmio: ENOSPC\n");
471	return (ENOSPC);	476	return (ENOSPC);
472	}	477	}
		478	if (mine) printf("ppt_map_mmio: ENOENT\n");
473	return (ENOENT);	479	return (ENOENT);
474	}	480	}
475		481