diff options
author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-07-02 09:01:31 -0700 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-07-02 09:01:31 -0700 |
commit | 27eb2c4b3d3e13f376a359e293c212a2e9407af5 (patch) | |
tree | 556aa7b5cd6eeb4214dec129c789515157187010 /include/xen | |
parent | 5705b8aca5a80141de5637ff0e23b31b26f2c5bf (diff) | |
parent | 67bf12ca50d524f9e225347fe63533562e2004de (diff) |
Merge branch 'next' into for-linus
Prepare first set of updates for 3.11 merge window.
Diffstat (limited to 'include/xen')
-rw-r--r-- | include/xen/events.h | 3 | ||||
-rw-r--r-- | include/xen/interface/io/blkif.h | 10 | ||||
-rw-r--r-- | include/xen/interface/io/netif.h | 19 | ||||
-rw-r--r-- | include/xen/interface/physdev.h | 6 | ||||
-rw-r--r-- | include/xen/tmem.h | 8 | ||||
-rw-r--r-- | include/xen/xenbus.h | 1 |
6 files changed, 45 insertions, 2 deletions
diff --git a/include/xen/events.h b/include/xen/events.h index c6bfe01acf6..b2b27c6a0f7 100644 --- a/include/xen/events.h +++ b/include/xen/events.h @@ -90,8 +90,7 @@ int xen_bind_pirq_gsi_to_irq(unsigned gsi, int xen_allocate_pirq_msi(struct pci_dev *dev, struct msi_desc *msidesc); /* Bind an PSI pirq to an irq. */ int xen_bind_pirq_msi_to_irq(struct pci_dev *dev, struct msi_desc *msidesc, - int pirq, int vector, const char *name, - domid_t domid); + int pirq, const char *name, domid_t domid); #endif /* De-allocates the above mentioned physical interrupt. */ diff --git a/include/xen/interface/io/blkif.h b/include/xen/interface/io/blkif.h index 01c3d62436e..ffd4652de91 100644 --- a/include/xen/interface/io/blkif.h +++ b/include/xen/interface/io/blkif.h @@ -138,11 +138,21 @@ struct blkif_request_discard { uint8_t _pad3; } __attribute__((__packed__)); +struct blkif_request_other { + uint8_t _pad1; + blkif_vdev_t _pad2; /* only for read/write requests */ +#ifdef CONFIG_X86_64 + uint32_t _pad3; /* offsetof(blkif_req..,u.other.id)==8*/ +#endif + uint64_t id; /* private guest value, echoed in resp */ +} __attribute__((__packed__)); + struct blkif_request { uint8_t operation; /* BLKIF_OP_??? */ union { struct blkif_request_rw rw; struct blkif_request_discard discard; + struct blkif_request_other other; } u; } __attribute__((__packed__)); diff --git a/include/xen/interface/io/netif.h b/include/xen/interface/io/netif.h index 9dfc1200098..3ef3fe05ee9 100644 --- a/include/xen/interface/io/netif.h +++ b/include/xen/interface/io/netif.h @@ -13,6 +13,24 @@ #include <xen/interface/grant_table.h> /* + * Older implementation of Xen network frontend / backend has an + * implicit dependency on the MAX_SKB_FRAGS as the maximum number of + * ring slots a skb can use. Netfront / netback may not work as + * expected when frontend and backend have different MAX_SKB_FRAGS. + * + * A better approach is to add mechanism for netfront / netback to + * negotiate this value. However we cannot fix all possible + * frontends, so we need to define a value which states the minimum + * slots backend must support. + * + * The minimum value derives from older Linux kernel's MAX_SKB_FRAGS + * (18), which is proved to work with most frontends. Any new backend + * which doesn't negotiate with frontend should expect frontend to + * send a valid packet using slots up to this value. + */ +#define XEN_NETIF_NR_SLOTS_MIN 18 + +/* * Notifications after enqueuing any type of message should be conditional on * the appropriate req_event or rsp_event field in the shared ring. * If the client sends notification for rx requests then it should specify @@ -47,6 +65,7 @@ #define _XEN_NETTXF_extra_info (3) #define XEN_NETTXF_extra_info (1U<<_XEN_NETTXF_extra_info) +#define XEN_NETIF_MAX_TX_SIZE 0xFFFF struct xen_netif_tx_request { grant_ref_t gref; /* Reference to buffer page */ uint16_t offset; /* Offset within buffer page */ diff --git a/include/xen/interface/physdev.h b/include/xen/interface/physdev.h index 1844d31f455..7000bb1f6e9 100644 --- a/include/xen/interface/physdev.h +++ b/include/xen/interface/physdev.h @@ -251,6 +251,12 @@ struct physdev_pci_device_add { #define PHYSDEVOP_pci_device_remove 26 #define PHYSDEVOP_restore_msi_ext 27 +/* + * Dom0 should use these two to announce MMIO resources assigned to + * MSI-X capable devices won't (prepare) or may (release) change. + */ +#define PHYSDEVOP_prepare_msix 30 +#define PHYSDEVOP_release_msix 31 struct physdev_pci_device { /* IN */ uint16_t seg; diff --git a/include/xen/tmem.h b/include/xen/tmem.h index 591550a22ac..3930a90045f 100644 --- a/include/xen/tmem.h +++ b/include/xen/tmem.h @@ -3,7 +3,15 @@ #include <linux/types.h> +#ifdef CONFIG_XEN_TMEM_MODULE +#define tmem_enabled true +#else /* defined in drivers/xen/tmem.c */ extern bool tmem_enabled; +#endif + +#ifdef CONFIG_XEN_SELFBALLOONING +extern int xen_selfballoon_init(bool, bool); +#endif #endif /* _XEN_TMEM_H */ diff --git a/include/xen/xenbus.h b/include/xen/xenbus.h index 0a7515c1e3a..569c07f2e34 100644 --- a/include/xen/xenbus.h +++ b/include/xen/xenbus.h @@ -70,6 +70,7 @@ struct xenbus_device { struct device dev; enum xenbus_state state; struct completion down; + struct work_struct work; }; static inline struct xenbus_device *to_xenbus_device(struct device *dev) |