Re: [PATCH v2] accel/qaic: Enable 1 MSI fallback mode

2023-10-27 Thread Jeffrey Hugo
On 10/16/2023 11:00 AM, Jeffrey Hugo wrote: From: Carl Vanderlip Several virtualization use-cases either don't support 32 MultiMSIs (Xen/VMware) or have significant drawbacks to their use (KVM's vIOMMU, which is required to support 32 MSI, needs to allocate an alternate system memory space for

Re: [PATCH v2] accel/qaic: Enable 1 MSI fallback mode

2023-10-22 Thread Stanislaw Gruszka
On Mon, Oct 16, 2023 at 11:00:36AM -0600, Jeffrey Hugo wrote: > From: Carl Vanderlip > > Several virtualization use-cases either don't support 32 MultiMSIs > (Xen/VMware) or have significant drawbacks to their use (KVM's vIOMMU, > which is required to support 32 MSI, needs to allocate an

[PATCH v2] accel/qaic: Enable 1 MSI fallback mode

2023-10-16 Thread Jeffrey Hugo
From: Carl Vanderlip Several virtualization use-cases either don't support 32 MultiMSIs (Xen/VMware) or have significant drawbacks to their use (KVM's vIOMMU, which is required to support 32 MSI, needs to allocate an alternate system memory space for each device using vIOMMU (e.g. 8GB VM mem and