From: Cornelia Huck <cohuck@redhat.com>
To: Pierre Morel <pmorel@linux.vnet.ibm.com>
Cc: qemu-devel@nongnu.org, agraf@suse.de, borntraeger@de.ibm.com,
zyimin@linux.vnet.ibm.com, pasic@linux.vnet.ibm.com
Subject: Re: [Qemu-devel] [PATCH v2 7/7] s390x/pci: search for subregion inside the BARs
Date: Tue, 21 Nov 2017 11:51:04 +0100 [thread overview]
Message-ID: <20171121115104.77bb4637.cohuck@redhat.com> (raw)
In-Reply-To: <1510854715-7081-8-git-send-email-pmorel@linux.vnet.ibm.com>
On Thu, 16 Nov 2017 18:51:55 +0100
Pierre Morel <pmorel@linux.vnet.ibm.com> wrote:
> When dispatching memory access to PCI BAR region, we must
> look for possible subregions, used by the PCI device to map
> different memory areas inside the same PCI BAR.
>
> Since the data offset we received is calculated starting at the
> region start address we need to adjust the offset for the subregion.
>
> The data offset inside the subregion is calculated by substracting
> the subregion's starting address from the data offset in the region.
>
> The access to the MSIX region is now handled in a generic way,
> we do not need the specific trap_msix() function anymore.
>
> Signed-off-by: Pierre Morel <pmorel@linux.vnet.ibm.com>
> Reviewed-by: Yi Min Zhao <zyimin@linux.vnet.ibm.com>
> ---
> hw/s390x/s390-pci-inst.c | 44 +++++++++++++++++++++++++-------------------
> 1 file changed, 25 insertions(+), 19 deletions(-)
This one also looks fine.
next prev parent reply other threads:[~2017-11-21 10:51 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-16 17:51 [Qemu-devel] [PATCH v2 0/7] s390x/pci: Improve zPCI to cover more cases Pierre Morel
2017-11-16 17:51 ` [Qemu-devel] [PATCH v2 1/7] s390x/pci: factor out endianess conversion Pierre Morel
2017-11-21 10:35 ` Cornelia Huck
2017-11-21 17:41 ` Pierre Morel
2017-11-16 17:51 ` [Qemu-devel] [PATCH v2 2/7] s390x/pci: rework PCI STORE Pierre Morel
2017-11-21 10:38 ` Cornelia Huck
2017-11-21 14:25 ` Cornelia Huck
2017-11-21 18:03 ` Pierre Morel
2017-11-22 13:25 ` Cornelia Huck
2017-11-22 21:12 ` Pierre Morel
2017-11-21 17:52 ` Pierre Morel
2017-11-16 17:51 ` [Qemu-devel] [PATCH v2 3/7] s390x/pci: rework PCI LOAD Pierre Morel
2017-11-21 10:39 ` Cornelia Huck
2017-11-16 17:51 ` [Qemu-devel] [PATCH v2 4/7] s390x/pci: rework PCI STORE BLOCK Pierre Morel
2017-11-21 10:42 ` Cornelia Huck
2017-11-21 18:07 ` Pierre Morel
2017-11-22 5:15 ` Yi Min Zhao
2017-11-22 13:28 ` Cornelia Huck
2017-11-22 20:37 ` Pierre Morel
2017-11-16 17:51 ` [Qemu-devel] [PATCH v2 5/7] s390x/pci: move the memory region read from pcilg Pierre Morel
2017-11-21 10:48 ` Cornelia Huck
2017-11-16 17:51 ` [Qemu-devel] [PATCH v2 6/7] s390x/pci: move the memory region write from pcistg Pierre Morel
2017-11-21 10:49 ` Cornelia Huck
2017-11-16 17:51 ` [Qemu-devel] [PATCH v2 7/7] s390x/pci: search for subregion inside the BARs Pierre Morel
2017-11-21 10:51 ` Cornelia Huck [this message]
2017-11-21 10:52 ` [Qemu-devel] [PATCH v2 0/7] s390x/pci: Improve zPCI to cover more cases Cornelia Huck
2017-11-21 18:10 ` Pierre Morel
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