vancouver/model/pcidirect.cc File Reference

#include "nul/motherboard.h"
#include "host/hostpci.h"
#include "host/hostvf.h"
#include "model/pci.h"

Classes
class	DirectPciDevice
	Directly-assigned PCI device. More...
struct	DirectPciDevice::MsiXTableEntry
Functions
	PARAM (dpci,{HostPci pci(mb.bus_hwpcicfg, mb.bus_hostop);unsigned hostbdf=pci.search_device(argv[0], argv[1], argv[2]);Logging::printf("search_device(%lx,%lx,%lx) bdf %x \n", argv[0], argv[1], argv[2], hostbdf);check0(!hostbdf,"dpci device not found");new DirectPciDevice(mb, hostbdf, argv[3], argv[4], argv[5]);},"dpci:class,subclass,instance,bdf,assign=1,irqs=1 - makes the specified hostdevice directly accessible to the guest.","Example: Use 'dpci:2,,0,0x21' to attach the first network controller to 00:04.1.","If class or subclass is ommited it is not compared. If the instance is ommited the last instance is used.","If bdf is zero the very same bdf as in the host is used, if it is ommited a free bdf is used.","If assign is zero, the BDF is not assigned via the IOMMU and can not do DMA.","If irq is zero, IRQs are disabled.") PARAM(vfpci
HostVfPci	pci (mb.bus_hwpcicfg, mb.bus_hostop)
	for (unsigned bdf, num=0;(bdf=pci.search_device(0x2, 0x0, num++));)
	check0 (!vf_bdf,"XXX VF%d does not exist in parent %x.", vf_no, parent_bdf)
new	DirectPciDevice (mb, 0, argv[3], true, true, parent_bdf, vf_no, true)
Variables
unsigned	vf_no = argv[2]
uint16	parent_bdf = 0
unsigned	found = 0
unsigned	vf_bdf = pci.vf_bdf(parent_bdf, vf_no)
vfpci	__pad0__
vfpci	parent_no
vfpci guest_bdf directly assign a virtual given function to the	guest
vfpci guest_bdf directly assign a virtual given function to the If no guest_bdf is	given

---

Function Documentation

check0	(	!	vf_bdf,
		"XXX VF%d does not exist in parent %x."	,
		vf_no	,
		parent_bdf
	)

new DirectPciDevice	(	mb	,
		0	,
		argv	[3],
		true	,
		true	,
		parent_bdf	,
		vf_no	,
		true
	)

for	(	unsigned	bdf,
		num	= 0; (bdf = pci.search_device(0x2, 0x0, num++));
	)

PARAM

(

dpci

)

HostVfPci pci	(	mb.	bus_hwpcicfg,
		mb.	bus_hostop
	)

---

Variable Documentation

vfpci __pad0__

unsigned found = 0

vfpci guest_bdf directly assign a virtual given function to the If no guest_bdf is given

vfpci guest_bdf directly assign a virtual given function to the guest

uint16 parent_bdf = 0

vfpci parent_no

unsigned vf_bdf = pci.vf_bdf(parent_bdf, vf_no)

vfpci vf_no = argv[2]