Re: [RFC KERNEL PATCH v3 3/3] PCI/sysfs: Add gsi sysfs for pci_dev

2023-12-14 Thread Chen, Jiqian
On 2023/12/14 16:46, Roger Pau Monné wrote: > On Thu, Dec 14, 2023 at 07:08:32AM +, Chen, Jiqian wrote: >> On 2023/12/13 20:12, Roger Pau Monné wrote: >>> On Wed, Dec 13, 2023 at 03:31:21AM +, Chen, Jiqian wrote: On 2023/12/12 17:18, Roger Pau Monné wrote: > On Tue, Dec 12, 2023 at

Re: [RFC KERNEL PATCH v3 3/3] PCI/sysfs: Add gsi sysfs for pci_dev

2023-12-14 Thread Roger Pau Monné
On Thu, Dec 14, 2023 at 07:08:32AM +, Chen, Jiqian wrote: > On 2023/12/13 20:12, Roger Pau Monné wrote: > > On Wed, Dec 13, 2023 at 03:31:21AM +, Chen, Jiqian wrote: > >> On 2023/12/12 17:18, Roger Pau Monné wrote: > >>> On Tue, Dec 12, 2023 at 06:34:27AM +, Chen, Jiqian wrote: > >

Re: [RFC KERNEL PATCH v3 3/3] PCI/sysfs: Add gsi sysfs for pci_dev

2023-12-13 Thread Chen, Jiqian
On 2023/12/13 20:12, Roger Pau Monné wrote: > On Wed, Dec 13, 2023 at 03:31:21AM +, Chen, Jiqian wrote: >> On 2023/12/12 17:18, Roger Pau Monné wrote: >>> On Tue, Dec 12, 2023 at 06:34:27AM +, Chen, Jiqian wrote: On 2023/12/12 01:57, Roger Pau Monné wrote: > On Mon, Dec 11, 20

Re: [RFC KERNEL PATCH v3 3/3] PCI/sysfs: Add gsi sysfs for pci_dev

2023-12-13 Thread Roger Pau Monné
On Wed, Dec 13, 2023 at 03:31:21AM +, Chen, Jiqian wrote: > On 2023/12/12 17:18, Roger Pau Monné wrote: > > On Tue, Dec 12, 2023 at 06:34:27AM +, Chen, Jiqian wrote: > >> > >> On 2023/12/12 01:57, Roger Pau Monné wrote: > >>> On Mon, Dec 11, 2023 at 12:15:19AM +0800, Jiqian Chen wrote: > >>

Re: [RFC KERNEL PATCH v3 3/3] PCI/sysfs: Add gsi sysfs for pci_dev

2023-12-12 Thread Chen, Jiqian
On 2023/12/12 17:18, Roger Pau Monné wrote: > On Tue, Dec 12, 2023 at 06:34:27AM +, Chen, Jiqian wrote: >> >> On 2023/12/12 01:57, Roger Pau Monné wrote: >>> On Mon, Dec 11, 2023 at 12:15:19AM +0800, Jiqian Chen wrote: There is a need for some scenarios to use gsi sysfs. For example,

Re: [RFC KERNEL PATCH v3 3/3] PCI/sysfs: Add gsi sysfs for pci_dev

2023-12-12 Thread Roger Pau Monné
On Tue, Dec 12, 2023 at 06:34:27AM +, Chen, Jiqian wrote: > > On 2023/12/12 01:57, Roger Pau Monné wrote: > > On Mon, Dec 11, 2023 at 12:15:19AM +0800, Jiqian Chen wrote: > >> There is a need for some scenarios to use gsi sysfs. > >> For example, when xen passthrough a device to dumU, it will

Re: [RFC KERNEL PATCH v3 3/3] PCI/sysfs: Add gsi sysfs for pci_dev

2023-12-11 Thread Chen, Jiqian
On 2023/12/12 01:57, Roger Pau Monné wrote: > On Mon, Dec 11, 2023 at 12:15:19AM +0800, Jiqian Chen wrote: >> There is a need for some scenarios to use gsi sysfs. >> For example, when xen passthrough a device to dumU, it will >> use gsi to map pirq, but currently userspace can't get gsi >> number.

Re: [RFC KERNEL PATCH v3 3/3] PCI/sysfs: Add gsi sysfs for pci_dev

2023-12-11 Thread Roger Pau Monné
On Mon, Dec 11, 2023 at 12:15:19AM +0800, Jiqian Chen wrote: > There is a need for some scenarios to use gsi sysfs. > For example, when xen passthrough a device to dumU, it will > use gsi to map pirq, but currently userspace can't get gsi > number. > So, add gsi sysfs for that and for other potenti

[RFC KERNEL PATCH v3 3/3] PCI/sysfs: Add gsi sysfs for pci_dev

2023-12-10 Thread Jiqian Chen
There is a need for some scenarios to use gsi sysfs. For example, when xen passthrough a device to dumU, it will use gsi to map pirq, but currently userspace can't get gsi number. So, add gsi sysfs for that and for other potential scenarios. Co-developed-by: Huang Rui Signed-off-by: Jiqian Chen