From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Bjorn Helgaas <helgaas@kernel.org>, Marc Zygnier <maz@kernel.org>,
Alex Williamson <alex.williamson@redhat.com>,
Kevin Tian <kevin.tian@intel.com>,
Jason Gunthorpe <jgg@nvidia.com>, Megha Dey <megha.dey@intel.com>,
Ashok Raj <ashok.raj@intel.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Andrew Cooper <amc96@cam.ac.uk>, Juergen Gross <jgross@suse.com>,
linux-pci@vger.kernel.org, xen-devel@lists.xenproject.org
Subject: [patch 10/10] x86/apic/msi: Support MSI-X vector expansion
Date: Sat, 27 Nov 2021 02:24:45 +0100 (CET) [thread overview]
Message-ID: <20211127000919.061417652@linutronix.de> (raw)
In-Reply-To: 20211126233124.618283684@linutronix.de
The X86 PCI/MSI irq domaim implementation supports vector expansion out of
the box. Make it available.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/kernel/apic/msi.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/arch/x86/kernel/apic/msi.c
+++ b/arch/x86/kernel/apic/msi.c
@@ -178,7 +178,7 @@ static struct msi_domain_ops pci_msi_dom
static struct msi_domain_info pci_msi_domain_info = {
.flags = MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
- MSI_FLAG_PCI_MSIX,
+ MSI_FLAG_PCI_MSIX | MSI_FLAG_CAN_EXPAND,
.ops = &pci_msi_domain_ops,
.chip = &pci_msi_controller,
.handler = handle_edge_irq,
@@ -226,7 +226,7 @@ static struct irq_chip pci_msi_ir_contro
static struct msi_domain_info pci_msi_ir_domain_info = {
.flags = MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
- MSI_FLAG_MULTI_PCI_MSI | MSI_FLAG_PCI_MSIX,
+ MSI_FLAG_MULTI_PCI_MSI | MSI_FLAG_PCI_MSIX | MSI_FLAG_CAN_EXPAND,
.ops = &pci_msi_domain_ops,
.chip = &pci_msi_ir_controller,
.handler = handle_edge_irq,
WARNING: multiple messages have this Message-ID (diff)
From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Bjorn Helgaas <helgaas@kernel.org>, Marc Zygnier <maz@kernel.org>,
Alex Williamson <alex.williamson@redhat.com>,
Kevin Tian <kevin.tian@intel.com>,
Jason Gunthorpe <jgg@nvidia.com>, Megha Dey <megha.dey@intel.com>,
Ashok Raj <ashok.raj@intel.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Andrew Cooper <amc96@cam.ac.uk>, Juergen Gross <jgross@suse.com>,
linux-pci@vger.kernel.org, xen-devel@lists.xenproject.org
Subject: [patch 10/10] x86/apic/msi: Support MSI-X vector expansion
Date: Sat, 27 Nov 2021 02:25:12 +0100 (CET) [thread overview]
Message-ID: <20211127000919.061417652@linutronix.de> (raw)
Message-ID: <20211127012512.8gPRRQkXJTSewYEF_rgg_ytFmePW_wwWkK9ZhNEGzY4@z> (raw)
In-Reply-To: 20211126233124.618283684@linutronix.de
The X86 PCI/MSI irq domaim implementation supports vector expansion out of
the box. Make it available.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/kernel/apic/msi.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/arch/x86/kernel/apic/msi.c
+++ b/arch/x86/kernel/apic/msi.c
@@ -178,7 +178,7 @@ static struct msi_domain_ops pci_msi_dom
static struct msi_domain_info pci_msi_domain_info = {
.flags = MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
- MSI_FLAG_PCI_MSIX,
+ MSI_FLAG_PCI_MSIX | MSI_FLAG_CAN_EXPAND,
.ops = &pci_msi_domain_ops,
.chip = &pci_msi_controller,
.handler = handle_edge_irq,
@@ -226,7 +226,7 @@ static struct irq_chip pci_msi_ir_contro
static struct msi_domain_info pci_msi_ir_domain_info = {
.flags = MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
- MSI_FLAG_MULTI_PCI_MSI | MSI_FLAG_PCI_MSIX,
+ MSI_FLAG_MULTI_PCI_MSI | MSI_FLAG_PCI_MSIX | MSI_FLAG_CAN_EXPAND,
.ops = &pci_msi_domain_ops,
.chip = &pci_msi_ir_controller,
.handler = handle_edge_irq,
next prev parent reply other threads:[~2021-11-27 1:34 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-27 1:24 [patch 00/10] genirq/msi, PCI/MSI: Support for dynamic MSI-X vector expansion - Part 4 Thomas Gleixner
2021-11-27 1:24 ` [patch 01/10] genirq/msi: Add range argument to alloc/free MSI domain ops Thomas Gleixner
2021-11-27 1:24 ` Thomas Gleixner
2021-11-27 1:24 ` [patch 02/10] genirq/msi: Add range argument to msi_domain_alloc/free_descs_locked() Thomas Gleixner
2021-11-27 1:25 ` Thomas Gleixner
2021-11-27 1:24 ` [patch 03/10] genirq/msi: Make MSI descriptor alloc/free ready for range allocations Thomas Gleixner
2021-11-27 1:25 ` Thomas Gleixner
2021-11-28 15:57 ` Marc Zyngier
2021-11-28 19:17 ` Thomas Gleixner
2021-11-29 17:28 ` Thomas Gleixner
2021-11-27 1:24 ` [patch 05/10] genirq/msi: Add domain info flag MSI_FLAG_CAN_EXPAND Thomas Gleixner
2021-11-27 1:25 ` Thomas Gleixner
2021-11-27 1:24 ` [patch 06/10] PCI/MSI: Use range in allocation path Thomas Gleixner
2021-11-27 1:25 ` Thomas Gleixner
2021-11-27 1:24 ` [patch 08/10] PCI/MSI: Provide pci_msi_domain_supports_expand() Thomas Gleixner
2021-11-27 1:25 ` Thomas Gleixner
2021-11-27 1:24 ` Thomas Gleixner [this message]
2021-11-27 1:25 ` [patch 10/10] x86/apic/msi: Support MSI-X vector expansion Thomas Gleixner
2021-11-27 1:24 ` [patch 00/10] genirq/msi, PCI/MSI: Support for dynamic MSI-X vector expansion - Part 4 Thomas Gleixner
2021-11-27 1:25 ` [patch 04/10] genirq/msi: Prepare MSI domain alloc/free for range irq allocation Thomas Gleixner
2021-11-27 1:24 ` Thomas Gleixner
2021-11-27 1:25 ` [patch 07/10] PCI/MSI: Make free related functions range based Thomas Gleixner
2021-11-27 1:24 ` Thomas Gleixner
2021-11-27 1:25 ` [patch 09/10] PCI/MSI: Provide pci_msix_expand_vectors[_at]() Thomas Gleixner
2021-11-27 1:24 ` Thomas Gleixner
2021-12-02 1:08 ` Dey, Megha
2021-12-02 10:16 ` Thomas Gleixner
2021-12-02 19:21 ` Raj, Ashok
2021-12-02 20:40 ` Thomas Gleixner
2021-12-03 0:45 ` Raj, Ashok
2021-12-03 12:29 ` Thomas Gleixner
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