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| author | Peter Maydell <peter.maydell@linaro.org> | 2019-07-30 20:53:26 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2019-07-30 20:53:26 +0100 |
| commit | 4366e7cfb4486cfe3e2947f3b0276082c2b43a90 (patch) | |
| tree | deab21f31b3e973a7d2e34fd8b8148cfc38484a3 | |
| parent | 987a23224218fa3bb3aa0024ad236dcf29ebde9e (diff) | |
| parent | c8557f1b4873549fc231496f00003a9e5389c8dd (diff) | |
| download | focaccia-qemu-4366e7cfb4486cfe3e2947f3b0276082c2b43a90.tar.gz focaccia-qemu-4366e7cfb4486cfe3e2947f3b0276082c2b43a90.zip | |
Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
pci: bugfix A last minute fix to cross-version migration. Better late than never. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> # gpg: Signature made Tue 30 Jul 2019 17:07:42 BST # gpg: using RSA key 281F0DB8D28D5469 # gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full] # gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [full] # Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67 # Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469 * remotes/mst/tags/for_upstream: pcie_root_port: Disable ACS on older machines pcie_root_port: Allow ACS to be disabled Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| -rw-r--r-- | hw/core/machine.c | 1 | ||||
| -rw-r--r-- | hw/pci-bridge/pcie_root_port.c | 3 | ||||
| -rw-r--r-- | include/hw/pci/pcie_port.h | 2 |
3 files changed, 5 insertions, 1 deletions
diff --git a/hw/core/machine.c b/hw/core/machine.c index c4a2ab2282..28a475ad97 100644 --- a/hw/core/machine.c +++ b/hw/core/machine.c @@ -52,6 +52,7 @@ GlobalProperty hw_compat_3_1[] = { { "virtio-blk-device", "discard", "false" }, { "virtio-blk-device", "write-zeroes", "false" }, { "virtio-balloon-device", "qemu-4-0-config-size", "false" }, + { "pcie-root-port-base", "disable-acs", "true" }, /* Added in 4.1 */ }; const size_t hw_compat_3_1_len = G_N_ELEMENTS(hw_compat_3_1); diff --git a/hw/pci-bridge/pcie_root_port.c b/hw/pci-bridge/pcie_root_port.c index 09019ca05d..1d8a778709 100644 --- a/hw/pci-bridge/pcie_root_port.c +++ b/hw/pci-bridge/pcie_root_port.c @@ -111,7 +111,7 @@ static void rp_realize(PCIDevice *d, Error **errp) pcie_aer_root_init(d); rp_aer_vector_update(d); - if (rpc->acs_offset) { + if (rpc->acs_offset && !s->disable_acs) { pcie_acs_init(d, rpc->acs_offset); } return; @@ -145,6 +145,7 @@ static void rp_exit(PCIDevice *d) static Property rp_props[] = { DEFINE_PROP_BIT(COMPAT_PROP_PCP, PCIDevice, cap_present, QEMU_PCIE_SLTCAP_PCP_BITNR, true), + DEFINE_PROP_BOOL("disable-acs", PCIESlot, disable_acs, false), DEFINE_PROP_END_OF_LIST() }; diff --git a/include/hw/pci/pcie_port.h b/include/hw/pci/pcie_port.h index 09586f4641..7515430087 100644 --- a/include/hw/pci/pcie_port.h +++ b/include/hw/pci/pcie_port.h @@ -53,6 +53,8 @@ struct PCIESlot { PCIExpLinkSpeed speed; PCIExpLinkWidth width; + /* Disable ACS (really for a pcie_root_port) */ + bool disable_acs; QLIST_ENTRY(PCIESlot) next; }; |