From: Rahul Singh <rahul.singh@arm.com>
To: xen-devel@lists.xenproject.org
Cc: bertrand.marquis@arm.com, rahul.singh@arm.com,
andre.przywara@arm.com, "Roger Pau Monné" <roger.pau@citrix.com>,
"Stefano Stabellini" <sstabellini@kernel.org>,
"Julien Grall" <julien@xen.org>,
"Volodymyr Babchuk" <Volodymyr_Babchuk@epam.com>
Subject: [PATCH v2 15/17] xen/arm: Transitional change to build HAS_VPCI on ARM.
Date: Wed, 22 Sep 2021 12:35:01 +0100 [thread overview]
Message-ID: <0b7654cc44452575cae43c4d1700075c3a42ea2a.1632307952.git.rahul.singh@arm.com> (raw)
In-Reply-To: <cover.1632307952.git.rahul.singh@arm.com>
In-Reply-To: <cover.1632307952.git.rahul.singh@arm.com>
This patch will be reverted once we add support for VPCI MSI/MSIX
support on ARM.
Signed-off-by: Rahul Singh <rahul.singh@arm.com>
---
Change in v2: Patch introduced in v2
---
xen/drivers/vpci/Makefile | 3 ++-
| 2 ++
xen/include/asm-arm/pci.h | 8 ++++++++
3 files changed, 12 insertions(+), 1 deletion(-)
diff --git a/xen/drivers/vpci/Makefile b/xen/drivers/vpci/Makefile
index 55d1bdfda0..1a1413b93e 100644
--- a/xen/drivers/vpci/Makefile
+++ b/xen/drivers/vpci/Makefile
@@ -1 +1,2 @@
-obj-y += vpci.o header.o msi.o msix.o
+obj-y += vpci.o header.o
+obj-$(CONFIG_HAS_PCI_MSI) += msi.o msix.o
--git a/xen/drivers/vpci/header.c b/xen/drivers/vpci/header.c
index ba9a036202..f8cd55e7c0 100644
--- a/xen/drivers/vpci/header.c
+++ b/xen/drivers/vpci/header.c
@@ -96,8 +96,10 @@ static void modify_decoding(const struct pci_dev *pdev, uint16_t cmd,
* FIXME: punching holes after the p2m has been set up might be racy for
* DomU usage, needs to be revisited.
*/
+#ifdef CONFIG_HAS_PCI_MSI
if ( map && !rom_only && vpci_make_msix_hole(pdev) )
return;
+#endif
for ( i = 0; i < ARRAY_SIZE(header->bars); i++ )
{
diff --git a/xen/include/asm-arm/pci.h b/xen/include/asm-arm/pci.h
index 5406daecda..9327b7488e 100644
--- a/xen/include/asm-arm/pci.h
+++ b/xen/include/asm-arm/pci.h
@@ -27,6 +27,14 @@ struct arch_pci_dev {
struct device dev;
};
+/* Arch-specific MSI data for vPCI. */
+struct vpci_arch_msi {
+};
+
+/* Arch-specific MSI-X entry data for vPCI. */
+struct vpci_arch_msix_entry {
+};
+
/*
* struct to hold the mappings of a config space window. This
* is expected to be used as sysdata for PCI controllers that
--
2.17.1
next prev parent reply other threads:[~2021-09-22 11:40 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-22 11:34 [PATCH v2 00/17] PCI devices passthrough on Arm Rahul Singh
2021-09-22 11:34 ` [PATCH v2 01/17] xen/pci: Refactor MSI code that implements MSI functionality within XEN Rahul Singh
2021-09-22 11:34 ` [PATCH v2 02/17] xen/pci: solve compilation error on ARM with HAS_PCI enabled Rahul Singh
2021-09-22 22:04 ` Stefano Stabellini
2021-09-23 2:07 ` Julien Grall
2021-09-23 11:14 ` Rahul Singh
2021-09-22 11:34 ` [PATCH v2 03/17] xen/arm: solve compilation error on ARM with ACPI && HAS_PCI Rahul Singh
2021-09-22 22:08 ` Stefano Stabellini
2021-09-22 11:34 ` [PATCH v2 04/17] xen/arm: xc_domain_ioport_permission(..) not supported on ARM Rahul Singh
2021-09-22 22:13 ` Stefano Stabellini
2021-09-22 11:34 ` [PATCH v2 05/17] xen/arm: Add PHYSDEVOP_pci_device_* support for ARM Rahul Singh
2021-09-22 22:37 ` Stefano Stabellini
2021-09-23 11:19 ` Rahul Singh
2021-09-22 11:34 ` [PATCH v2 06/17] xen/device-tree: Add dt_property_read_variable_u32_array helper Rahul Singh
2021-09-22 23:06 ` Stefano Stabellini
2021-09-23 11:21 ` Rahul Singh
2021-09-22 11:34 ` [PATCH v2 07/17] xen/device-tree: Add dt_property_read_u32_array helper Rahul Singh
2021-09-22 23:44 ` Stefano Stabellini
2021-09-22 11:34 ` [PATCH v2 08/17] xen/device-tree: Add dt_get_pci_domain_nr helper Rahul Singh
2021-09-22 23:50 ` Stefano Stabellini
2021-09-23 11:52 ` Rahul Singh
2021-09-22 11:34 ` [PATCH v2 09/17] xen/arm: Add support for PCI init to initialize the PCI driver Rahul Singh
2021-09-23 0:03 ` Stefano Stabellini
2021-09-23 14:53 ` Rahul Singh
2021-09-22 11:34 ` [PATCH v2 10/17] xen/arm: Add cmdline boot option "pci-passthrough = <boolean>" Rahul Singh
2021-09-23 0:14 ` Stefano Stabellini
2021-09-23 15:03 ` Rahul Singh
2021-09-22 11:34 ` [PATCH v2 11/17] xen/arm: PCI host bridge discovery within XEN on ARM Rahul Singh
2021-09-23 2:09 ` Stefano Stabellini
2021-09-23 13:03 ` Oleksandr Andrushchenko
2021-09-23 15:36 ` Stefano Stabellini
2021-09-23 17:08 ` Rahul Singh
2021-09-23 19:12 ` Stefano Stabellini
2021-09-24 12:54 ` Rahul Singh
2021-09-24 21:42 ` Stefano Stabellini
2021-09-24 23:26 ` Stefano Stabellini
2021-09-27 16:20 ` Rahul Singh
2021-09-27 16:59 ` Julien Grall
2021-09-22 11:34 ` [PATCH v2 12/17] xen/arm: Add support for Xilinx ZynqMP PCI host controller Rahul Singh
2021-09-23 2:11 ` Stefano Stabellini
2021-09-23 15:08 ` Rahul Singh
2021-09-22 11:34 ` [PATCH v2 13/17] xen:arm: Implement pci access functions Rahul Singh
2021-09-23 2:23 ` Stefano Stabellini
2021-09-23 8:52 ` Julien Grall
2021-09-23 15:17 ` Rahul Singh
2021-09-23 9:02 ` Julien Grall
2021-09-23 15:19 ` Rahul Singh
2021-09-23 15:15 ` Rahul Singh
2021-09-22 11:35 ` [PATCH v2 14/17] xen/arm: Enable the existing x86 virtual PCI support for ARM Rahul Singh
2021-09-23 2:41 ` Stefano Stabellini
2021-09-23 15:34 ` Rahul Singh
2021-09-24 7:21 ` Oleksandr Andrushchenko
2021-09-24 7:37 ` Jan Beulich
2021-09-24 7:44 ` Jan Beulich
2021-09-28 16:32 ` Rahul Singh
2021-09-22 11:35 ` Rahul Singh [this message]
2021-09-22 11:35 ` [PATCH v2 16/17] arm/libxl: Emulated PCI device tree node in libxl Rahul Singh
2021-09-23 20:41 ` Stefano Stabellini
2021-09-22 11:35 ` [PATCH v2 17/17] xen/arm: Add linux,pci-domain property for hwdom if not available Rahul Singh
2021-09-23 2:52 ` Stefano Stabellini
2021-09-23 15:21 ` Rahul Singh
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=0b7654cc44452575cae43c4d1700075c3a42ea2a.1632307952.git.rahul.singh@arm.com \
--to=rahul.singh@arm.com \
--cc=Volodymyr_Babchuk@epam.com \
--cc=andre.przywara@arm.com \
--cc=bertrand.marquis@arm.com \
--cc=julien@xen.org \
--cc=roger.pau@citrix.com \
--cc=sstabellini@kernel.org \
--cc=xen-devel@lists.xenproject.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).