From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40565) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WsRYy-0005eZ-Qf for qemu-devel@nongnu.org; Thu, 05 Jun 2014 02:54:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WsRYg-0005OD-KI for qemu-devel@nongnu.org; Thu, 05 Jun 2014 02:54:12 -0400 Received: from e23smtp07.au.ibm.com ([202.81.31.140]:50538) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WsRYf-0005MZ-OF for qemu-devel@nongnu.org; Thu, 05 Jun 2014 02:53:54 -0400 Received: from /spool/local by e23smtp07.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 5 Jun 2014 16:53:48 +1000 From: Gavin Shan Date: Thu, 5 Jun 2014 16:53:41 +1000 Message-Id: <1401951221-32613-5-git-send-email-gwshan@linux.vnet.ibm.com> In-Reply-To: <1401951221-32613-1-git-send-email-gwshan@linux.vnet.ibm.com> References: <1401951221-32613-1-git-send-email-gwshan@linux.vnet.ibm.com> Subject: [Qemu-devel] [PATCH v8 4/4] sPAPR: Implement sPAPRPHBClass::eeh_handler List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-ppc@nongnu.org Cc: aik@ozlabs.ru, qemu-devel@nongnu.org, agraf@suse.de, alex.williamson@redhat.com, qiudayu@linux.vnet.ibm.com, Gavin Shan The patch implements sPAPRPHBClass::eeh_handler so that the EEH RTAS requests can be routed to VFIO for further handling. Signed-off-by: Gavin Shan --- hw/ppc/spapr_pci_vfio.c | 54 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) diff --git a/hw/ppc/spapr_pci_vfio.c b/hw/ppc/spapr_pci_vfio.c index decf3dd..94bebc2 100644 --- a/hw/ppc/spapr_pci_vfio.c +++ b/hw/ppc/spapr_pci_vfio.c @@ -86,6 +86,59 @@ static void spapr_phb_vfio_finish_realize(sPAPRPHBState *sphb, Error **errp) spapr_tce_get_iommu(tcet)); } +static int spapr_phb_vfio_eeh_handler(sPAPRPHBState *sphb, int req, int opt) +{ + sPAPRPHBVFIOState *svphb = SPAPR_PCI_VFIO_HOST_BRIDGE(sphb); + int cmd; + + switch (req) { + case RTAS_EEH_REQ_SET_OPTION: + switch (opt) { + case RTAS_EEH_DISABLE: + cmd = VFIO_EEH_PE_DISABLE; + break; + case RTAS_EEH_ENABLE: + cmd = VFIO_EEH_PE_ENABLE; + break; + case RTAS_EEH_THAW_IO: + cmd = VFIO_EEH_PE_UNFREEZE_IO; + break; + case RTAS_EEH_THAW_DMA: + cmd = VFIO_EEH_PE_UNFREEZE_DMA; + break; + default: + return -EINVAL; + } + break; + case RTAS_EEH_REQ_GET_STATE: + cmd = VFIO_EEH_PE_GET_STATE; + break; + case RTAS_EEH_REQ_RESET: + switch (opt) { + case RTAS_SLOT_RESET_DEACTIVATE: + cmd = VFIO_EEH_PE_RESET_DEACTIVATE; + break; + case RTAS_SLOT_RESET_HOT: + cmd = VFIO_EEH_PE_RESET_HOT; + break; + case RTAS_SLOT_RESET_FUNDAMENTAL: + cmd = VFIO_EEH_PE_RESET_FUNDAMENTAL; + break; + default: + return -EINVAL; + } + break; + case RTAS_EEH_REQ_CONFIGURE: + cmd = VFIO_EEH_PE_CONFIGURE; + break; + default: + return -EINVAL; + } + + return vfio_pci_container_ioctl(svphb->iommugroupid, + VFIO_EEH_PE_OP, cmd); +} + static void spapr_phb_vfio_reset(DeviceState *qdev) { /* Do nothing */ @@ -99,6 +152,7 @@ static void spapr_phb_vfio_class_init(ObjectClass *klass, void *data) dc->props = spapr_phb_vfio_properties; dc->reset = spapr_phb_vfio_reset; spc->finish_realize = spapr_phb_vfio_finish_realize; + spc->eeh_handler = spapr_phb_vfio_eeh_handler; } static const TypeInfo spapr_phb_vfio_info = { -- 1.8.3.2