search for: msi_list

...eak arch_setup_msi_irqs(struct msi_irqs *msi, int nvec, int type) { struct msi_desc *entry; int ret; @@ -78,8 +80,8 @@ int __weak arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) if (type == MSI_TYPE && nvec > 1) return 1; - list_for_each_entry(entry, &dev->msi_list, list) { - ret = arch_setup_msi_irq(dev, entry); + list_for_each_entry(entry, &msi->msi_list, list) { + ret = arch_setup_msi_irq(msi, entry); if (ret < 0) return ret; if (ret > 0) @@ -93,11 +95,11 @@ int __weak arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)...

..., int nvec, int type) > { > struct msi_desc *entry; > int ret; > @@ -78,8 +80,8 @@ int __weak arch_setup_msi_irqs(struct pci_dev *dev, int nvec, > int type) > if (type == MSI_TYPE && nvec > 1) > return 1; > > - list_for_each_entry(entry, &dev->msi_list, list) { > - ret = arch_setup_msi_irq(dev, entry); > + list_for_each_entry(entry, &msi->msi_list, list) { > + ret = arch_setup_msi_irq(msi, entry); > if (ret < 0) > return ret; > if (ret > 0) > @@ -93,11 +95,11 @@ int __weak arch_setup_msi_irqs(struct p...

..., int nvec, int type) > { > struct msi_desc *entry; > int ret; > @@ -78,8 +80,8 @@ int __weak arch_setup_msi_irqs(struct pci_dev *dev, int nvec, > int type) > if (type == MSI_TYPE && nvec > 1) > return 1; > > - list_for_each_entry(entry, &dev->msi_list, list) { > - ret = arch_setup_msi_irq(dev, entry); > + list_for_each_entry(entry, &msi->msi_list, list) { > + ret = arch_setup_msi_irq(msi, entry); > if (ret < 0) > return ret; > if (ret > 0) > @@ -93,11 +95,11 @@ int __weak arch_setup_msi_irqs(struct p...

...t msi_desc *entry; > + int ret; > + > + /* > + * If an architecture wants to support multiple MSI, it needs to > + * override arch_setup_msi_irqs() > + */ > + if (type == MSI_TYPE && nvec > 1) > + return 1; > + > + list_for_each_entry(entry, &msi->msi_list, list) { > + ret = arch_setup_msi_irq(msi, entry); > + if (ret < 0) > + return ret; > + if (ret > 0) > + return -ENOSPC; > + } > + return 0; > +} > + > + > +void __weak arch_teardown_msi_irqs(struct msi_irqs *msi) > +{ > + return default_teardown_...

...t msi_desc *entry; > + int ret; > + > + /* > + * If an architecture wants to support multiple MSI, it needs to > + * override arch_setup_msi_irqs() > + */ > + if (type == MSI_TYPE && nvec > 1) > + return 1; > + > + list_for_each_entry(entry, &msi->msi_list, list) { > + ret = arch_setup_msi_irq(msi, entry); > + if (ret < 0) > + return ret; > + if (ret > 0) > + return -ENOSPC; > + } > + return 0; > +} > + > + > +void __weak arch_teardown_msi_irqs(struct msi_irqs *msi) > +{ > + return default_teardown_...

...ruct msi_irqs *msi, int nvec, int type) +{ + struct msi_desc *entry; + int ret; + + /* + * If an architecture wants to support multiple MSI, it needs to + * override arch_setup_msi_irqs() + */ + if (type == MSI_TYPE && nvec > 1) + return 1; + + list_for_each_entry(entry, &msi->msi_list, list) { + ret = arch_setup_msi_irq(msi, entry); + if (ret < 0) + return ret; + if (ret > 0) + return -ENOSPC; + } + return 0; +} + + +void __weak arch_teardown_msi_irqs(struct msi_irqs *msi) +{ + return default_teardown_msi_irqs(msi); +} + +/* + * We have a default implementation avai...

...I-X. And new non-PCI device will be designed to support MSI in future. So make the MSI driver code be generic will help the non-PCI device use MSI more simply. The new data struct for generic MSI driver. struct msi_irqs { u8 msi_enabled:1; /* Enable flag */ u8 msix_enabled:1; struct list_head msi_list; /* MSI desc list */ void *data; /* help to find the MSI device */ struct msi_ops *ops; /* MSI device specific hook */ }; struct msi_irqs is used to manage MSI related informations. Every device supports MSI should contain this data struct and allocate it. struct msi_ops { struct msi_desc *(*ms...

...I-X. And new non-PCI device will be designed to support MSI in future. So make the MSI driver code be generic will help the non-PCI device use MSI more simply. The new data struct for generic MSI driver. struct msi_irqs { u8 msi_enabled:1; /* Enable flag */ u8 msix_enabled:1; struct list_head msi_list; /* MSI desc list */ void *data; /* help to find the MSI device */ struct msi_ops *ops; /* MSI device specific hook */ }; struct msi_irqs is used to manage MSI related informations. Every device supports MSI should contain this data struct and allocate it. struct msi_ops { struct msi_desc *(*ms...

...irq; > - int node, ret; > + int ret; > > /* Multiple MSI vectors only supported with interrupt remapping */ > if (type == MSI_TYPE && nvec > 1) > return 1; > > - node = dev_to_node(&dev->dev); > - > - list_for_each_entry(msidesc, &dev->msi_list, list) { > - irq = irq_alloc_hwirq(node); > + list_for_each_entry(msidesc, &msi->msi_list, list) { > + irq = irq_alloc_hwirq(msi->node); > if (!irq) > return -ENOSPC; > > - ret = setup_msi_irq(dev, msidesc, irq, 0); > + ret = setup_msi_irq(msi, msidesc,...

...irq; > - int node, ret; > + int ret; > > /* Multiple MSI vectors only supported with interrupt remapping */ > if (type == MSI_TYPE && nvec > 1) > return 1; > > - node = dev_to_node(&dev->dev); > - > - list_for_each_entry(msidesc, &dev->msi_list, list) { > - irq = irq_alloc_hwirq(node); > + list_for_each_entry(msidesc, &msi->msi_list, list) { > + irq = irq_alloc_hwirq(msi->node); > if (!irq) > return -ENOSPC; > > - ret = setup_msi_irq(dev, msidesc, irq, 0); > + ret = setup_msi_irq(msi, msidesc,...

...) { struct msi_desc *msidesc; unsigned int irq; - int node, ret; + int ret; /* Multiple MSI vectors only supported with interrupt remapping */ if (type == MSI_TYPE && nvec > 1) return 1; - node = dev_to_node(&dev->dev); - - list_for_each_entry(msidesc, &dev->msi_list, list) { - irq = irq_alloc_hwirq(node); + list_for_each_entry(msidesc, &msi->msi_list, list) { + irq = irq_alloc_hwirq(msi->node); if (!irq) return -ENOSPC; - ret = setup_msi_irq(dev, msidesc, irq, 0); + ret = setup_msi_irq(msi, msidesc, irq, 0); if (ret < 0) { irq_...

...xen/arch/x86/hvm/vmsi.c +++ b/xen/arch/x86/hvm/vmsi.c @@ -187,6 +187,19 @@ static struct msixtbl_entry *msixtbl_find_entry( return NULL; } +static struct msi_desc *virt_to_msi_desc(struct pci_dev *dev, void *virt) +{ + struct msi_desc *desc; + + list_for_each_entry( desc, &dev->msi_list, list ) + if ( desc->msi_attrib.type == PCI_CAP_ID_MSIX && + desc->mask_base + PCI_MSIX_ENTRY_VECTOR_CTRL_OFFSET + == virt ) + return desc; + + return NULL; +} + static void __iomem *msixtbl_addr_to_virt( struct msixtbl_entry *en...

...MSI driver code be generic will >> help the non-PCI device use MSI more simply. >> >> The new data struct for generic MSI driver. >> struct msi_irqs { >> u8 msi_enabled:1; /* Enable flag */ >> u8 msix_enabled:1; >> struct list_head msi_list; /* MSI desc list */ >> void *data; /* help to find the MSI device */ >> struct msi_ops *ops; /* MSI device specific hook */ >> }; >> struct msi_irqs is used to manage MSI related informations. Every device supports >> MSI should contain this data s...

...MSI driver code be generic will >> help the non-PCI device use MSI more simply. >> >> The new data struct for generic MSI driver. >> struct msi_irqs { >> u8 msi_enabled:1; /* Enable flag */ >> u8 msix_enabled:1; >> struct list_head msi_list; /* MSI desc list */ >> void *data; /* help to find the MSI device */ >> struct msi_ops *ops; /* MSI device specific hook */ >> }; >> struct msi_irqs is used to manage MSI related informations. Every device supports >> MSI should contain this data s...

...p;= ~PCI_MSI_FLAGS_QSIZE; control |= (entry->msi_attrib.multiple << 4) | PCI_MSI_FLAGS_ENABLE; pci_write_config_word(dev, dev->msi_cap + PCI_MSI_FLAGS, control); @@ -430,7 +442,6 @@ static void __pci_restore_msix_state(struct pci_dev *dev) list_for_each_entry(entry, &dev->msi_list, list) { arch_restore_msi_irqs(dev, entry->irq); - msix_mask_irq(entry, entry->masked); } control &= ~PCI_MSIX_FLAGS_MASKALL; -- 1.7.3

...*dev, void __iomem *base, entry->msi_attrib.is_64 = 1; entry->msi_attrib.entry_nr = entries[i].entry; entry->msi_attrib.default_irq = dev->irq; - entry->msi_attrib.pos = dev->msix_cap; entry->mask_base = base; list_add_tail(&entry->list, &dev->msi_list); diff --git a/include/linux/msi.h b/include/linux/msi.h index 8103f32..ce88c5b 100644 --- a/include/linux/msi.h +++ b/include/linux/msi.h @@ -29,7 +29,6 @@ struct msi_desc { __u8 multi_cap : 3; /* log2 num of messages supported */ __u8 maskbit : 1; /* mask-pending bit supported ? */ __u8...

...MSI in future. So make the MSI driver code be generic will > help the non-PCI device use MSI more simply. > > The new data struct for generic MSI driver. > struct msi_irqs { > u8 msi_enabled:1; /* Enable flag */ > u8 msix_enabled:1; > struct list_head msi_list; /* MSI desc list */ > void *data; /* help to find the MSI device */ > struct msi_ops *ops; /* MSI device specific hook */ > }; > struct msi_irqs is used to manage MSI related informations. Every device supports > MSI should contain this data struct and allocate i...

...> On Saturday 26 July 2014 11:08:37 Yijing Wang wrote: > >> > >> The new data struct for generic MSI driver. > >> struct msi_irqs { > >> u8 msi_enabled:1; /* Enable flag */ > >> u8 msix_enabled:1; > >> struct list_head msi_list; /* MSI desc list */ > >> void *data; /* help to find the MSI device */ > >> struct msi_ops *ops; /* MSI device specific hook */ > >> }; > >> struct msi_irqs is used to manage MSI related informations. Every device supports > >> MSI s...

...the non-PCI device use MSI more simply. >>>> >>>> The new data struct for generic MSI driver. >>>> struct msi_irqs { >>>> u8 msi_enabled:1; /* Enable flag */ >>>> u8 msix_enabled:1; >>>> struct list_head msi_list; /* MSI desc list */ >>>> void *data; /* help to find the MSI device */ >>>> struct msi_ops *ops; /* MSI device specific hook */ >>>> }; >>>> struct msi_irqs is used to manage MSI related informations. Every device supports >&gt...

Under the assumption that in these cases recurring faults aren''t a security issue and it can be expected that the drivers there are going to try to take care of the problem. Signed-off-by: Jan Beulich <jbeulich@suse.com> --- a/xen/drivers/passthrough/amd/iommu_init.c +++ b/xen/drivers/passthrough/amd/iommu_init.c @@ -625,6 +625,18 @@ static void parse_event_log_entry(struct