From: "Philippe Mathieu-Daudé" <philmd@redhat.com>
To: Peter Xu <peterx@redhat.com>, qemu-devel@nongnu.org
Cc: Peter Maydell <peter.maydell@linaro.org>,
"Daniel P . Berrange" <berrange@redhat.com>,
Eduardo Habkost <ehabkost@redhat.com>,
David Hildenbrand <david@redhat.com>,
Jason Wang <jasowang@redhat.com>,
"Michael S . Tsirkin" <mst@redhat.com>,
Markus Armbruster <armbru@redhat.com>,
Shannon Zhao <shannon.zhaosl@gmail.com>,
Alex Williamson <alex.williamson@redhat.com>,
Eric Auger <eric.auger@redhat.com>,
Igor Mammedov <imammedo@redhat.com>,
Paolo Bonzini <pbonzini@redhat.com>,
David Gibson <david@gibson.dropbear.id.au>
Subject: Re: [PATCH 4/8] pci: Define pci_bus_fn/pci_bus_ret_fn type
Date: Thu, 21 Oct 2021 14:54:44 +0200 [thread overview]
Message-ID: <c9f5420e-c2d2-9332-8780-c8bb07827609@redhat.com> (raw)
In-Reply-To: <f7062eed-3040-0ba2-1d8f-0cb002640acc@redhat.com>
On 10/21/21 13:44, Philippe Mathieu-Daudé wrote:
> On 10/21/21 12:42, Peter Xu wrote:
>> The pci_bus_fn is similar to pci_bus_dev_fn that only takes a PCIBus* and an
>> opaque. The pci_bus_ret_fn is similar to pci_bus_fn but it allows to return a
>> void* pointer.
>>
>> Use them where proper in pci.[ch], and to be used elsewhere.
>>
>> Signed-off-by: Peter Xu <peterx@redhat.com>
>> ---
>> hw/pci/pci.c | 6 ++----
>> include/hw/pci/pci.h | 12 +++++-------
>> 2 files changed, 7 insertions(+), 11 deletions(-)
>
>> --- a/include/hw/pci/pci.h
>> +++ b/include/hw/pci/pci.h
>> @@ -402,6 +402,8 @@ OBJECT_DECLARE_TYPE(PCIBus, PCIBusClass, PCI_BUS)
>> #define TYPE_PCIE_BUS "PCIE"
>>
>> typedef void (*pci_bus_dev_fn)(PCIBus *b, PCIDevice *d, void *opaque);
>> +typedef void (*pci_bus_fn)(PCIBus *b, void *opaque);
>> +typedef void* (*pci_bus_ret_fn)(PCIBus *b, void *opaque);
Now looking at patch #8, I wonder if it wouldn't be cleaner to have
a single:
/*
* pci_bus_fn:
* @bus: PCI bus
* @opaque: Pointer to opaque pointer,
can be used as input *and* output
* Return #true on success, #false on failure
*/
typedef bool (*pci_bus_fn)(PCIBus *bus, void **opaque);
next prev parent reply other threads:[~2021-10-21 12:56 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-21 10:42 [PATCH 0/8] pci/iommu: Fail early if vfio-pci detected before vIOMMU Peter Xu
2021-10-21 10:42 ` [PATCH 1/8] pci: Define pci_bus_dev_fn type Peter Xu
2021-10-21 10:53 ` David Hildenbrand
2021-10-21 11:15 ` Eric Auger
2021-10-22 2:16 ` Peter Xu
2021-10-21 11:36 ` Philippe Mathieu-Daudé
2021-10-21 10:42 ` [PATCH 2/8] pci: Export pci_for_each_device_under_bus*() Peter Xu
2021-10-21 10:54 ` David Hildenbrand
2021-10-21 11:32 ` Eric Auger
2021-10-21 11:39 ` Philippe Mathieu-Daudé
2021-10-21 10:42 ` [PATCH 3/8] pci: Use pci_for_each_device_under_bus*() Peter Xu
2021-10-21 10:56 ` David Hildenbrand
2021-10-21 11:34 ` Eric Auger
2021-10-22 2:19 ` Peter Xu
2021-10-21 10:42 ` [PATCH 4/8] pci: Define pci_bus_fn/pci_bus_ret_fn type Peter Xu
2021-10-21 10:57 ` David Hildenbrand
2021-10-21 11:37 ` Eric Auger
2021-10-21 11:44 ` Philippe Mathieu-Daudé
2021-10-21 12:54 ` Philippe Mathieu-Daudé [this message]
2021-10-22 2:24 ` Peter Xu
2021-10-21 10:42 ` [PATCH 5/8] pci: Add pci_for_each_root_bus() Peter Xu
2021-10-21 11:00 ` David Hildenbrand
2021-10-21 12:22 ` Eric Auger
2021-10-25 13:16 ` Michael S. Tsirkin
2021-10-28 2:56 ` Peter Xu
2021-10-21 10:42 ` [PATCH 6/8] pci: Use pci_for_each_root_bus() in current code Peter Xu
2021-10-21 11:06 ` David Hildenbrand
2021-10-21 12:28 ` Eric Auger
2021-10-21 10:42 ` [PATCH 7/8] pci: Add pci_for_each_device_all() Peter Xu
2021-10-21 10:54 ` Michael S. Tsirkin
2021-10-22 2:33 ` Peter Xu
2021-10-22 8:43 ` Michael S. Tsirkin
2021-10-25 12:57 ` Peter Xu
2021-10-25 13:13 ` Michael S. Tsirkin
2021-10-21 10:42 ` [PATCH 8/8] x86-iommu: Fail early if vIOMMU specified after vfio-pci Peter Xu
2021-10-21 10:49 ` Michael S. Tsirkin
2021-10-21 12:38 ` Eric Auger
2021-10-22 2:37 ` Peter Xu
2021-10-21 22:30 ` Alex Williamson
2021-10-22 2:14 ` Peter Xu
2021-10-26 15:11 ` Igor Mammedov
2021-10-26 15:38 ` Alex Williamson
2021-10-27 8:30 ` Peter Xu
2021-10-28 2:30 ` Peter Xu
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