From: Roger Pau Monne <roger.pau@citrix.com>
To: Paul Durrant <Paul.Durrant@citrix.com>
Cc: "xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>,
"boris.ostrovsky@oracle.com" <boris.ostrovsky@oracle.com>
Subject: Re: [PATCH v2 28/30] xen/x86: add MSI-X emulation to PVHv2 Dom0
Date: Thu, 6 Oct 2016 17:58:55 +0200 [thread overview]
Message-ID: <20161006155854.fhhv2odiqjnv4fjs@mac> (raw)
In-Reply-To: <528736ea7a0b43ce96dc4244a8781bc4@AMSPEX02CL03.citrite.net>
On Mon, Oct 03, 2016 at 11:57:13AM +0100, Paul Durrant wrote:
> > -----Original Message-----
> > From: Xen-devel [mailto:xen-devel-bounces@lists.xen.org] On Behalf Of
> > Roger Pau Monne
> > Sent: 27 September 2016 16:57
> > To: xen-devel@lists.xenproject.org
> > Cc: boris.ostrovsky@oracle.com; Roger Pau Monne <roger.pau@citrix.com>
> > Subject: [Xen-devel] [PATCH v2 28/30] xen/x86: add MSI-X emulation to
> > PVHv2 Dom0
> >
> > This requires adding handlers to the PCI configuration space, plus a MMIO
> > handler for the MSI-X table, the PBA is left mapped directly into the guest.
> > The implementation is based on the one already found in the passthrough
> > code from QEMU.
> >
> > Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
> > ---
> > Paul Durrant <paul.durrant@citrix.com>
> > Jan Beulich <jbeulich@suse.com>
> > Andrew Cooper <andrew.cooper3@citrix.com>
> > ---
> > xen/arch/x86/hvm/io.c | 2 +
> > xen/arch/x86/hvm/vmsi.c | 498
> > ++++++++++++++++++++++++++++++++++++++++++
> > xen/drivers/passthrough/pci.c | 6 +-
> > xen/include/asm-x86/hvm/io.h | 26 +++
> > xen/include/asm-x86/msi.h | 4 +-
> > 5 files changed, 534 insertions(+), 2 deletions(-)
> >
> > diff --git a/xen/arch/x86/hvm/io.c b/xen/arch/x86/hvm/io.c
> > index 088e3ec..11b7313 100644
> > --- a/xen/arch/x86/hvm/io.c
> > +++ b/xen/arch/x86/hvm/io.c
> > @@ -867,6 +867,7 @@ static struct hvm_pt_handler_init
> > *hwdom_pt_handlers[] = {
> > &hvm_pt_bar_init,
> > &hvm_pt_vf_bar_init,
> > &hvm_pt_msi_init,
> > + &hvm_pt_msix_init,
> > };
> >
> > int hwdom_add_device(struct pci_dev *pdev)
> > @@ -1176,6 +1177,7 @@ void register_dpci_portio_handler(struct domain
> > *d)
> > {
> > handler->ops = &hw_dpci_portio_ops;
> > register_mmio_handler(d, &pcie_mmio_ops);
> > + register_mmio_handler(d, &vmsix_mmio_ops);
>
> Again, this is a somewhat counterintuitive place to make this call.
Done, I've moved it to hvm_domain_initialise together with the PCIe MMIO
handlers.
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next prev parent reply other threads:[~2016-10-06 16:07 UTC|newest]
Thread overview: 146+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-27 15:56 [PATCH v2 00/30] PVHv2 Dom0 Roger Pau Monne
2016-09-27 15:56 ` [PATCH v2 01/30] xen/x86: move setup of the VM86 TSS to the domain builder Roger Pau Monne
2016-09-28 15:35 ` Jan Beulich
2016-09-29 12:57 ` Roger Pau Monne
2016-09-27 15:56 ` [PATCH v2 02/30] xen/x86: remove XENFEAT_hvm_pirqs for PVHv2 guests Roger Pau Monne
2016-09-28 16:03 ` Jan Beulich
2016-09-29 14:17 ` Roger Pau Monne
2016-09-29 16:07 ` Jan Beulich
2016-09-27 15:56 ` [PATCH v2 03/30] xen/x86: fix parameters and return value of *_set_allocation functions Roger Pau Monne
2016-09-28 9:34 ` Tim Deegan
2016-09-29 10:39 ` Jan Beulich
2016-09-29 14:33 ` Roger Pau Monne
2016-09-29 16:09 ` Jan Beulich
2016-09-30 16:48 ` George Dunlap
2016-10-03 8:05 ` Paul Durrant
2016-10-06 11:33 ` Roger Pau Monne
2016-09-27 15:56 ` [PATCH v2 04/30] xen/x86: allow calling {sh/hap}_set_allocation with the idle domain Roger Pau Monne
2016-09-29 10:43 ` Jan Beulich
2016-09-29 14:37 ` Roger Pau Monne
2016-09-29 16:10 ` Jan Beulich
2016-09-30 16:56 ` George Dunlap
2016-09-30 16:56 ` George Dunlap
2016-09-27 15:57 ` [PATCH v2 05/30] xen/x86: assert that local_events_need_delivery is not called by " Roger Pau Monne
2016-09-29 10:45 ` Jan Beulich
2016-09-30 8:32 ` Roger Pau Monne
2016-09-30 8:59 ` Jan Beulich
2016-09-27 15:57 ` [PATCH v2 06/30] x86/paging: introduce paging_set_allocation Roger Pau Monne
2016-09-29 10:51 ` Jan Beulich
2016-09-29 14:51 ` Roger Pau Monne
2016-09-29 16:12 ` Jan Beulich
2016-09-29 16:57 ` Roger Pau Monne
2016-09-30 17:00 ` George Dunlap
2016-09-27 15:57 ` [PATCH v2 07/30] xen/x86: split the setup of Dom0 permissions to a function Roger Pau Monne
2016-09-29 13:47 ` Jan Beulich
2016-09-29 15:53 ` Roger Pau Monne
2016-09-27 15:57 ` [PATCH v2 08/30] xen/x86: do the PCI scan unconditionally Roger Pau Monne
2016-09-29 13:55 ` Jan Beulich
2016-09-29 15:11 ` Roger Pau Monne
2016-09-29 16:14 ` Jan Beulich
2016-09-27 15:57 ` [PATCH v2 09/30] x86/vtd: fix and simplify mapping RMRR regions Roger Pau Monne
2016-09-29 14:18 ` Jan Beulich
2016-09-30 11:27 ` Roger Pau Monne
2016-09-30 13:21 ` Jan Beulich
2016-09-30 15:02 ` Roger Pau Monne
2016-09-30 15:09 ` Jan Beulich
2016-09-27 15:57 ` [PATCH v2 10/30] xen/x86: allow the emulated APICs to be enbled for the hardware domain Roger Pau Monne
2016-09-29 14:26 ` Jan Beulich
2016-09-30 15:44 ` Roger Pau Monne
2016-09-27 15:57 ` [PATCH v2 11/30] xen/x86: split Dom0 build into PV and PVHv2 Roger Pau Monne
2016-09-30 15:03 ` Jan Beulich
2016-10-03 10:09 ` Roger Pau Monne
2016-10-04 6:54 ` Jan Beulich
2016-10-04 7:09 ` Andrew Cooper
2016-09-27 15:57 ` [PATCH v2 12/30] xen/x86: make print_e820_memory_map global Roger Pau Monne
2016-09-30 15:04 ` Jan Beulich
2016-10-03 16:23 ` Roger Pau Monne
2016-10-04 6:47 ` Jan Beulich
2016-09-27 15:57 ` [PATCH v2 13/30] xen: introduce a new format specifier to print sizes in human-readable form Roger Pau Monne
2016-09-28 8:24 ` Juergen Gross
2016-09-28 11:56 ` Roger Pau Monne
2016-09-28 12:01 ` Andrew Cooper
2016-10-03 8:36 ` Paul Durrant
2016-10-11 10:27 ` Roger Pau Monne
2016-09-27 15:57 ` [PATCH v2 14/30] xen/mm: add a ceil sufix to current page calculation routine Roger Pau Monne
2016-09-30 15:20 ` Jan Beulich
2016-09-27 15:57 ` [PATCH v2 15/30] xen/x86: populate PVHv2 Dom0 physical memory map Roger Pau Monne
2016-09-30 15:52 ` Jan Beulich
2016-10-04 9:12 ` Roger Pau Monne
2016-10-04 11:16 ` Jan Beulich
2016-10-11 14:01 ` Roger Pau Monne
2016-10-12 11:51 ` Jan Beulich
2016-10-11 14:06 ` Roger Pau Monne
2016-10-12 11:58 ` Jan Beulich
2016-09-27 15:57 ` [PATCH v2 16/30] xen/x86: parse Dom0 kernel for PVHv2 Roger Pau Monne
2016-10-06 15:14 ` Jan Beulich
2016-10-11 15:02 ` Roger Pau Monne
2016-09-27 15:57 ` [PATCH v2 17/30] xen/x86: setup PVHv2 Dom0 CPUs Roger Pau Monne
2016-10-06 15:20 ` Jan Beulich
2016-10-12 11:06 ` Roger Pau Monne
2016-10-12 11:32 ` Andrew Cooper
2016-10-12 12:02 ` Jan Beulich
2016-09-27 15:57 ` [PATCH v2 18/30] xen/x86: setup PVHv2 Dom0 ACPI tables Roger Pau Monne
2016-10-06 15:40 ` Jan Beulich
2016-10-06 15:48 ` Andrew Cooper
2016-10-12 15:35 ` Roger Pau Monne
2016-10-12 15:55 ` Jan Beulich
2016-10-26 11:35 ` Roger Pau Monne
2016-10-26 14:10 ` Jan Beulich
2016-10-26 15:08 ` Roger Pau Monne
2016-10-26 15:16 ` Jan Beulich
2016-10-26 16:03 ` Roger Pau Monne
2016-10-27 7:25 ` Jan Beulich
2016-10-27 11:08 ` Roger Pau Monne
2016-10-26 17:14 ` Boris Ostrovsky
2016-10-27 7:27 ` Jan Beulich
2016-10-27 11:13 ` Roger Pau Monne
2016-10-27 11:25 ` Jan Beulich
2016-10-27 13:51 ` Boris Ostrovsky
2016-10-27 14:02 ` Jan Beulich
2016-10-27 14:15 ` Boris Ostrovsky
2016-10-27 14:30 ` Jan Beulich
2016-10-27 14:40 ` Boris Ostrovsky
2016-10-27 15:04 ` Roger Pau Monne
2016-10-27 15:20 ` Jan Beulich
2016-10-27 15:37 ` Roger Pau Monne
2016-10-28 13:51 ` Boris Ostrovsky
2016-09-27 15:57 ` [PATCH v2 19/30] xen/dcpi: add a dpci passthrough handler for hardware domain Roger Pau Monne
2016-10-03 9:02 ` Paul Durrant
2016-10-06 14:31 ` Roger Pau Monne
2016-10-06 15:44 ` Jan Beulich
2016-09-27 15:57 ` [PATCH v2 20/30] xen/x86: add the basic infrastructure to import QEMU passthrough code Roger Pau Monne
2016-10-03 9:54 ` Paul Durrant
2016-10-06 15:08 ` Roger Pau Monne
2016-10-06 15:52 ` Lars Kurth
2016-10-07 9:13 ` Jan Beulich
2016-10-06 15:47 ` Jan Beulich
2016-10-10 12:41 ` Jan Beulich
2016-09-27 15:57 ` [PATCH v2 21/30] xen/pci: split code to size BARs from pci_add_device Roger Pau Monne
2016-10-06 16:00 ` Jan Beulich
2016-09-27 15:57 ` [PATCH v2 22/30] xen/x86: support PVHv2 Dom0 BAR remapping Roger Pau Monne
2016-10-03 10:10 ` Paul Durrant
2016-10-06 15:25 ` Roger Pau Monne
2016-09-27 15:57 ` [PATCH v2 23/30] xen/x86: route legacy PCI interrupts to Dom0 Roger Pau Monne
2016-10-10 13:37 ` Jan Beulich
2016-09-27 15:57 ` [PATCH v2 24/30] x86/vmsi: add MSI emulation for hardware domain Roger Pau Monne
2016-09-27 15:57 ` [PATCH v2 25/30] xen/x86: add all PCI devices to PVHv2 Dom0 Roger Pau Monne
2016-10-10 13:44 ` Jan Beulich
2016-09-27 15:57 ` [PATCH v2 26/30] xen/x86: add PCIe emulation Roger Pau Monne
2016-10-03 10:46 ` Paul Durrant
2016-10-06 15:53 ` Roger Pau Monne
2016-10-10 13:57 ` Jan Beulich
2016-09-27 15:57 ` [PATCH v2 27/30] x86/msixtbl: disable MSI-X intercepts for domains without an ioreq server Roger Pau Monne
2016-10-10 14:18 ` Jan Beulich
2016-09-27 15:57 ` [PATCH v2 28/30] xen/x86: add MSI-X emulation to PVHv2 Dom0 Roger Pau Monne
2016-10-03 10:57 ` Paul Durrant
2016-10-06 15:58 ` Roger Pau Monne [this message]
2016-10-10 16:15 ` Jan Beulich
2016-09-27 15:57 ` [PATCH v2 29/30] xen/x86: allow PVHv2 to perform foreign memory mappings Roger Pau Monne
2016-09-30 17:36 ` George Dunlap
2016-10-10 14:21 ` Jan Beulich
2016-10-10 14:27 ` George Dunlap
2016-10-10 14:50 ` Jan Beulich
2016-10-10 14:58 ` George Dunlap
2016-09-27 15:57 ` [PATCH v2 30/30] xen: allow setting the store pfn HVM parameter Roger Pau Monne
2016-10-03 11:01 ` Paul Durrant
2016-09-28 12:22 ` [PATCH v2 00/30] PVHv2 Dom0 Roger Pau Monne
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