Re: [PATCH] pci: SLT must be RO

2023-10-02 Thread Michael S. Tsirkin
On Mon, Oct 02, 2023 at 01:39:16PM +0200, Marcin Juszkiewicz wrote: > W dniu 8.09.2023 o 15:29, Marcin Juszkiewicz pisze: > > W dniu 31.08.2023 o 12:05, Marcin Juszkiewicz pisze: > > > W dniu 30.08.2023 o 23:48, Michael S. Tsirkin pisze: > > > > current code sets PCI_SEC_LATENCY_TIMER to WO, but

Re: [PATCH] pci: SLT must be RO

2023-10-02 Thread Marcin Juszkiewicz
W dniu 8.09.2023 o 15:29, Marcin Juszkiewicz pisze: W dniu 31.08.2023 o 12:05, Marcin Juszkiewicz pisze: W dniu 30.08.2023 o 23:48, Michael S. Tsirkin pisze: current code sets PCI_SEC_LATENCY_TIMER to WO, but for pcie to pcie bridges it must be RO 0 according to pci express spec which says:    

Re: [PATCH] pci: SLT must be RO

2023-09-08 Thread Marcin Juszkiewicz
W dniu 31.08.2023 o 12:05, Marcin Juszkiewicz pisze: W dniu 30.08.2023 o 23:48, Michael S. Tsirkin pisze: current code sets PCI_SEC_LATENCY_TIMER to WO, but for pcie to pcie bridges it must be RO 0 according to pci express spec which says: This register does not apply to PCI Express. It

Re: [PATCH] pci: SLT must be RO

2023-08-31 Thread Marcin Juszkiewicz
W dniu 30.08.2023 o 23:48, Michael S. Tsirkin pisze: current code sets PCI_SEC_LATENCY_TIMER to WO, but for pcie to pcie bridges it must be RO 0 according to pci express spec which says: This register does not apply to PCI Express. It must be read-only and hardwired to 00h. For PCI

Re: [PATCH] pci: SLT must be RO

2023-08-31 Thread Philippe Mathieu-Daudé
On 31/8/23 08:45, Michael S. Tsirkin wrote: On Thu, Aug 31, 2023 at 08:22:34AM +0200, Philippe Mathieu-Daudé wrote: Hi Michael, On 30/8/23 23:48, Michael S. Tsirkin wrote: current code sets PCI_SEC_LATENCY_TIMER to WO, but for pcie to pcie bridges it must be RO 0 according to pci express spec

Re: [PATCH] pci: SLT must be RO

2023-08-31 Thread Michael S. Tsirkin
On Thu, Aug 31, 2023 at 08:22:34AM +0200, Philippe Mathieu-Daudé wrote: > Hi Michael, > > On 30/8/23 23:48, Michael S. Tsirkin wrote: > > current code sets PCI_SEC_LATENCY_TIMER to WO, but for > > pcie to pcie bridges it must be RO 0 according to > > pci express spec which says: > > This

Re: [PATCH] pci: SLT must be RO

2023-08-31 Thread Philippe Mathieu-Daudé
Hi Michael, On 30/8/23 23:48, Michael S. Tsirkin wrote: current code sets PCI_SEC_LATENCY_TIMER to WO, but for pcie to pcie bridges it must be RO 0 according to pci express spec which says: This register does not apply to PCI Express. It must be read-only and hardwired to 00h. For PCI