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From: Oleksandr Andrushchenko <andr2000@gmail.com>
To: xen-devel@lists.xenproject.org
Cc: julien@xen.org, sstabellini@kernel.org,
	oleksandr_tyshchenko@epam.com, volodymyr_babchuk@epam.com,
	Artem_Mygaiev@epam.com, roger.pau@citrix.com, jbeulich@suse.com,
	bertrand.marquis@arm.com, rahul.singh@arm.com,
	Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Subject: [PATCH v2 01/11] vpci: Make vpci registers removal a dedicated function
Date: Thu, 23 Sep 2021 15:54:51 +0300	[thread overview]
Message-ID: <20210923125501.234252-2-andr2000@gmail.com> (raw)
In-Reply-To: <20210923125501.234252-1-andr2000@gmail.com>

From: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>

This is in preparation for dynamic assignment of the vpci register
handlers depending on the domain: hwdom or guest.

Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>

---
Since v1:
 - constify struct pci_dev where possible
---
 xen/drivers/vpci/vpci.c | 7 ++++++-
 xen/include/xen/vpci.h  | 2 ++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/xen/drivers/vpci/vpci.c b/xen/drivers/vpci/vpci.c
index cbd1bac7fc33..1666402d55b8 100644
--- a/xen/drivers/vpci/vpci.c
+++ b/xen/drivers/vpci/vpci.c
@@ -35,7 +35,7 @@ extern vpci_register_init_t *const __start_vpci_array[];
 extern vpci_register_init_t *const __end_vpci_array[];
 #define NUM_VPCI_INIT (__end_vpci_array - __start_vpci_array)
 
-void vpci_remove_device(struct pci_dev *pdev)
+void vpci_remove_device_registers(const struct pci_dev *pdev)
 {
     spin_lock(&pdev->vpci->lock);
     while ( !list_empty(&pdev->vpci->handlers) )
@@ -48,6 +48,11 @@ void vpci_remove_device(struct pci_dev *pdev)
         xfree(r);
     }
     spin_unlock(&pdev->vpci->lock);
+}
+
+void vpci_remove_device(struct pci_dev *pdev)
+{
+    vpci_remove_device_registers(pdev);
     xfree(pdev->vpci->msix);
     xfree(pdev->vpci->msi);
     xfree(pdev->vpci);
diff --git a/xen/include/xen/vpci.h b/xen/include/xen/vpci.h
index 9f5b5d52e159..2e910d0b1f90 100644
--- a/xen/include/xen/vpci.h
+++ b/xen/include/xen/vpci.h
@@ -28,6 +28,8 @@ int __must_check vpci_add_handlers(struct pci_dev *dev);
 
 /* Remove all handlers and free vpci related structures. */
 void vpci_remove_device(struct pci_dev *pdev);
+/* Remove all handlers for the device given. */
+void vpci_remove_device_registers(const struct pci_dev *pdev);
 
 /* Add/remove a register handler. */
 int __must_check vpci_add_register(struct vpci *vpci,
-- 
2.25.1



  reply	other threads:[~2021-09-23 12:58 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-23 12:54 [PATCH v2 00/11] PCI devices passthrough on Arm, part 3 Oleksandr Andrushchenko
2021-09-23 12:54 ` Oleksandr Andrushchenko [this message]
2021-09-28 11:15   ` [PATCH v2 01/11] vpci: Make vpci registers removal a dedicated function Michal Orzel
2021-09-23 12:54 ` [PATCH v2 02/11] vpci: Add hooks for PCI device assign/de-assign Oleksandr Andrushchenko
2021-09-29  9:35   ` Michal Orzel
2021-09-23 12:54 ` [PATCH v2 03/11] vpci/header: Move register assignments from init_bars Oleksandr Andrushchenko
2021-09-23 12:54 ` [PATCH v2 04/11] vpci/header: Add and remove register handlers dynamically Oleksandr Andrushchenko
2021-09-23 12:54 ` [PATCH v2 05/11] vpci/header: Implement guest BAR register handlers Oleksandr Andrushchenko
2021-09-29  9:27   ` Michal Orzel
2021-09-23 12:54 ` [PATCH v2 06/11] vpci/header: Handle p2m range sets per BAR Oleksandr Andrushchenko
2021-09-23 12:54 ` [PATCH v2 07/11] vpci/header: program p2m with guest BAR view Oleksandr Andrushchenko
2021-09-29  8:13   ` Michal Orzel
2021-09-29  8:16     ` Jan Beulich
2021-09-29  8:24       ` Oleksandr Andrushchenko
2021-09-29  8:36         ` Jan Beulich
2021-09-29  8:58           ` Oleksandr Andrushchenko
2021-09-29  8:16     ` Oleksandr Andrushchenko
2021-09-23 12:54 ` [PATCH v2 08/11] vpci/header: Emulate PCI_COMMAND register for guests Oleksandr Andrushchenko
2021-09-28  7:34   ` Michal Orzel
2021-09-23 12:54 ` [PATCH v2 09/11] vpci/header: Reset the command register when adding devices Oleksandr Andrushchenko
2021-09-28  7:38   ` Michal Orzel
2021-09-23 12:55 ` [PATCH v2 10/11] vpci: Add initial support for virtual PCI bus topology Oleksandr Andrushchenko
2021-09-28  7:48   ` Michal Orzel
2021-09-28  7:59     ` Jan Beulich
2021-09-28  8:17       ` Michal Orzel
2021-09-28 12:58         ` Oleksandr Andrushchenko
2021-09-29  9:03           ` Oleksandr Andrushchenko
2021-09-29  9:09             ` Jan Beulich
2021-09-29 11:56               ` Oleksandr Andrushchenko
2021-09-29 12:54                 ` Jan Beulich
2021-09-29 13:16                   ` Oleksandr Andrushchenko
2021-09-29 13:23                     ` Jan Beulich
2021-09-29 13:49                       ` Oleksandr Andrushchenko
2021-09-29 14:07                         ` Jan Beulich
2021-09-29 14:16                           ` Oleksandr Andrushchenko
2021-09-23 12:55 ` [PATCH v2 11/11] xen/arm: Translate virtual PCI bus topology for guests Oleksandr Andrushchenko
2021-09-27 11:31   ` Jan Beulich
2021-09-27 12:08     ` Oleksandr Andrushchenko
2021-09-27 13:34       ` Jan Beulich
2021-09-27 13:43         ` Oleksandr Andrushchenko
2021-09-27 13:51           ` Jan Beulich
2021-09-27 14:04             ` Oleksandr Andrushchenko
2021-09-27 14:16               ` Jan Beulich
2021-09-27 14:20                 ` Oleksandr Andrushchenko

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