summaryrefslogtreecommitdiffstats
path: root/include
diff options
context:
space:
mode:
Diffstat (limited to 'include')
-rw-r--r--include/asm-generic/Kbuild1
-rw-r--r--include/asm-generic/platform-feature.h8
-rw-r--r--include/linux/libata.h1
-rw-r--r--include/linux/mm_types.h5
-rw-r--r--include/linux/netfs.h58
-rw-r--r--include/linux/platform-feature.h19
-rw-r--r--include/linux/virtio_config.h9
-rw-r--r--include/linux/xarray.h1
-rw-r--r--include/net/flow_offload.h1
-rw-r--r--include/net/ipv6.h4
-rw-r--r--include/net/netfilter/nf_tables.h1
-rw-r--r--include/net/netfilter/nf_tables_offload.h2
-rw-r--r--include/uapi/linux/tls.h4
-rw-r--r--include/xen/arm/xen-ops.h18
-rw-r--r--include/xen/grant_table.h4
-rw-r--r--include/xen/xen-ops.h13
-rw-r--r--include/xen/xen.h8
17 files changed, 106 insertions, 51 deletions
diff --git a/include/asm-generic/Kbuild b/include/asm-generic/Kbuild
index 302506bbc2a4..8e47d483b524 100644
--- a/include/asm-generic/Kbuild
+++ b/include/asm-generic/Kbuild
@@ -44,6 +44,7 @@ mandatory-y += msi.h
mandatory-y += pci.h
mandatory-y += percpu.h
mandatory-y += pgalloc.h
+mandatory-y += platform-feature.h
mandatory-y += preempt.h
mandatory-y += rwonce.h
mandatory-y += sections.h
diff --git a/include/asm-generic/platform-feature.h b/include/asm-generic/platform-feature.h
new file mode 100644
index 000000000000..4b0af3d51588
--- /dev/null
+++ b/include/asm-generic/platform-feature.h
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_GENERIC_PLATFORM_FEATURE_H
+#define _ASM_GENERIC_PLATFORM_FEATURE_H
+
+/* Number of arch specific feature flags. */
+#define PLATFORM_ARCH_FEAT_N 0
+
+#endif /* _ASM_GENERIC_PLATFORM_FEATURE_H */
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 732de9014626..0f2a59c9c735 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -822,7 +822,6 @@ struct ata_port {
struct ata_queued_cmd qcmd[ATA_MAX_QUEUE + 1];
u64 qc_active;
int nr_active_links; /* #links with active qcs */
- unsigned int sas_last_tag; /* track next tag hw expects */
struct ata_link link; /* host default link */
struct ata_link *slave_link; /* see ata_slave_link_init() */
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index b34ff2cdbc4f..c29ab4c0cd5c 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -227,6 +227,7 @@ struct page {
* struct folio - Represents a contiguous set of bytes.
* @flags: Identical to the page flags.
* @lru: Least Recently Used list; tracks how recently this folio was used.
+ * @mlock_count: Number of times this folio has been pinned by mlock().
* @mapping: The file this page belongs to, or refers to the anon_vma for
* anonymous memory.
* @index: Offset within the file, in units of pages. For anonymous memory,
@@ -255,10 +256,14 @@ struct folio {
unsigned long flags;
union {
struct list_head lru;
+ /* private: avoid cluttering the output */
struct {
void *__filler;
+ /* public: */
unsigned int mlock_count;
+ /* private: */
};
+ /* public: */
};
struct address_space *mapping;
pgoff_t index;
diff --git a/include/linux/netfs.h b/include/linux/netfs.h
index 77fa6a61706a..097cdd644665 100644
--- a/include/linux/netfs.h
+++ b/include/linux/netfs.h
@@ -119,9 +119,10 @@ typedef void (*netfs_io_terminated_t)(void *priv, ssize_t transferred_or_error,
bool was_async);
/*
- * Per-inode description. This must be directly after the inode struct.
+ * Per-inode context. This wraps the VFS inode.
*/
-struct netfs_i_context {
+struct netfs_inode {
+ struct inode inode; /* The VFS inode */
const struct netfs_request_ops *ops;
#if IS_ENABLED(CONFIG_FSCACHE)
struct fscache_cookie *cache;
@@ -205,7 +206,9 @@ struct netfs_io_request {
*/
struct netfs_request_ops {
int (*init_request)(struct netfs_io_request *rreq, struct file *file);
+ void (*free_request)(struct netfs_io_request *rreq);
int (*begin_cache_operation)(struct netfs_io_request *rreq);
+
void (*expand_readahead)(struct netfs_io_request *rreq);
bool (*clamp_length)(struct netfs_io_subrequest *subreq);
void (*issue_read)(struct netfs_io_subrequest *subreq);
@@ -213,7 +216,6 @@ struct netfs_request_ops {
int (*check_write_begin)(struct file *file, loff_t pos, unsigned len,
struct folio *folio, void **_fsdata);
void (*done)(struct netfs_io_request *rreq);
- void (*cleanup)(struct address_space *mapping, void *netfs_priv);
};
/*
@@ -256,7 +258,7 @@ struct netfs_cache_ops {
* boundary as appropriate.
*/
enum netfs_io_source (*prepare_read)(struct netfs_io_subrequest *subreq,
- loff_t i_size);
+ loff_t i_size);
/* Prepare a write operation, working out what part of the write we can
* actually do.
@@ -276,7 +278,8 @@ struct netfs_cache_ops {
struct readahead_control;
extern void netfs_readahead(struct readahead_control *);
int netfs_read_folio(struct file *, struct folio *);
-extern int netfs_write_begin(struct file *, struct address_space *,
+extern int netfs_write_begin(struct netfs_inode *,
+ struct file *, struct address_space *,
loff_t, unsigned int, struct folio **,
void **);
@@ -288,71 +291,56 @@ extern void netfs_put_subrequest(struct netfs_io_subrequest *subreq,
extern void netfs_stats_show(struct seq_file *);
/**
- * netfs_i_context - Get the netfs inode context from the inode
+ * netfs_inode - Get the netfs inode context from the inode
* @inode: The inode to query
*
* Get the netfs lib inode context from the network filesystem's inode. The
* context struct is expected to directly follow on from the VFS inode struct.
*/
-static inline struct netfs_i_context *netfs_i_context(struct inode *inode)
-{
- return (void *)inode + sizeof(*inode);
-}
-
-/**
- * netfs_inode - Get the netfs inode from the inode context
- * @ctx: The context to query
- *
- * Get the netfs inode from the netfs library's inode context. The VFS inode
- * is expected to directly precede the context struct.
- */
-static inline struct inode *netfs_inode(struct netfs_i_context *ctx)
+static inline struct netfs_inode *netfs_inode(struct inode *inode)
{
- return (void *)ctx - sizeof(struct inode);
+ return container_of(inode, struct netfs_inode, inode);
}
/**
- * netfs_i_context_init - Initialise a netfs lib context
- * @inode: The inode with which the context is associated
+ * netfs_inode_init - Initialise a netfslib inode context
+ * @inode: The netfs inode to initialise
* @ops: The netfs's operations list
*
* Initialise the netfs library context struct. This is expected to follow on
* directly from the VFS inode struct.
*/
-static inline void netfs_i_context_init(struct inode *inode,
- const struct netfs_request_ops *ops)
+static inline void netfs_inode_init(struct netfs_inode *ctx,
+ const struct netfs_request_ops *ops)
{
- struct netfs_i_context *ctx = netfs_i_context(inode);
-
- memset(ctx, 0, sizeof(*ctx));
ctx->ops = ops;
- ctx->remote_i_size = i_size_read(inode);
+ ctx->remote_i_size = i_size_read(&ctx->inode);
+#if IS_ENABLED(CONFIG_FSCACHE)
+ ctx->cache = NULL;
+#endif
}
/**
* netfs_resize_file - Note that a file got resized
- * @inode: The inode being resized
+ * @ctx: The netfs inode being resized
* @new_i_size: The new file size
*
* Inform the netfs lib that a file got resized so that it can adjust its state.
*/
-static inline void netfs_resize_file(struct inode *inode, loff_t new_i_size)
+static inline void netfs_resize_file(struct netfs_inode *ctx, loff_t new_i_size)
{
- struct netfs_i_context *ctx = netfs_i_context(inode);
-
ctx->remote_i_size = new_i_size;
}
/**
* netfs_i_cookie - Get the cache cookie from the inode
- * @inode: The inode to query
+ * @ctx: The netfs inode to query
*
* Get the caching cookie (if enabled) from the network filesystem's inode.
*/
-static inline struct fscache_cookie *netfs_i_cookie(struct inode *inode)
+static inline struct fscache_cookie *netfs_i_cookie(struct netfs_inode *ctx)
{
#if IS_ENABLED(CONFIG_FSCACHE)
- struct netfs_i_context *ctx = netfs_i_context(inode);
return ctx->cache;
#else
return NULL;
diff --git a/include/linux/platform-feature.h b/include/linux/platform-feature.h
new file mode 100644
index 000000000000..b2f48be999fa
--- /dev/null
+++ b/include/linux/platform-feature.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _PLATFORM_FEATURE_H
+#define _PLATFORM_FEATURE_H
+
+#include <linux/bitops.h>
+#include <asm/platform-feature.h>
+
+/* The platform features are starting with the architecture specific ones. */
+
+/* Used to enable platform specific DMA handling for virtio devices. */
+#define PLATFORM_VIRTIO_RESTRICTED_MEM_ACCESS (0 + PLATFORM_ARCH_FEAT_N)
+
+#define PLATFORM_FEAT_N (1 + PLATFORM_ARCH_FEAT_N)
+
+void platform_set(unsigned int feature);
+void platform_clear(unsigned int feature);
+bool platform_has(unsigned int feature);
+
+#endif /* _PLATFORM_FEATURE_H */
diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h
index 9a36051ceb76..49c7c32815f1 100644
--- a/include/linux/virtio_config.h
+++ b/include/linux/virtio_config.h
@@ -604,13 +604,4 @@ static inline void virtio_cwrite64(struct virtio_device *vdev,
_r; \
})
-#ifdef CONFIG_ARCH_HAS_RESTRICTED_VIRTIO_MEMORY_ACCESS
-int arch_has_restricted_virtio_memory_access(void);
-#else
-static inline int arch_has_restricted_virtio_memory_access(void)
-{
- return 0;
-}
-#endif /* CONFIG_ARCH_HAS_RESTRICTED_VIRTIO_MEMORY_ACCESS */
-
#endif /* _LINUX_VIRTIO_CONFIG_H */
diff --git a/include/linux/xarray.h b/include/linux/xarray.h
index 72feab5ea8d4..c29e11b2c073 100644
--- a/include/linux/xarray.h
+++ b/include/linux/xarray.h
@@ -1508,6 +1508,7 @@ void *xas_find_marked(struct xa_state *, unsigned long max, xa_mark_t);
void xas_init_marks(const struct xa_state *);
bool xas_nomem(struct xa_state *, gfp_t);
+void xas_destroy(struct xa_state *);
void xas_pause(struct xa_state *);
void xas_create_range(struct xa_state *);
diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h
index 021778a7e1af..6484095a8c01 100644
--- a/include/net/flow_offload.h
+++ b/include/net/flow_offload.h
@@ -612,5 +612,6 @@ int flow_indr_dev_setup_offload(struct net_device *dev, struct Qdisc *sch,
enum tc_setup_type type, void *data,
struct flow_block_offload *bo,
void (*cleanup)(struct flow_block_cb *block_cb));
+bool flow_indr_dev_exists(void);
#endif /* _NET_FLOW_OFFLOAD_H */
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 5b38bf1a586b..de9dcc5652c4 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -1063,7 +1063,7 @@ int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr);
int ip6_append_data(struct sock *sk,
int getfrag(void *from, char *to, int offset, int len,
int odd, struct sk_buff *skb),
- void *from, int length, int transhdrlen,
+ void *from, size_t length, int transhdrlen,
struct ipcm6_cookie *ipc6, struct flowi6 *fl6,
struct rt6_info *rt, unsigned int flags);
@@ -1079,7 +1079,7 @@ struct sk_buff *__ip6_make_skb(struct sock *sk, struct sk_buff_head *queue,
struct sk_buff *ip6_make_skb(struct sock *sk,
int getfrag(void *from, char *to, int offset,
int len, int odd, struct sk_buff *skb),
- void *from, int length, int transhdrlen,
+ void *from, size_t length, int transhdrlen,
struct ipcm6_cookie *ipc6,
struct rt6_info *rt, unsigned int flags,
struct inet_cork_full *cork);
diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h
index 20af9d3557b9..279ae0fff7ad 100644
--- a/include/net/netfilter/nf_tables.h
+++ b/include/net/netfilter/nf_tables.h
@@ -1090,7 +1090,6 @@ struct nft_stats {
struct nft_hook {
struct list_head list;
- bool inactive;
struct nf_hook_ops ops;
struct rcu_head rcu;
};
diff --git a/include/net/netfilter/nf_tables_offload.h b/include/net/netfilter/nf_tables_offload.h
index 797147843958..3568b6a2f5f0 100644
--- a/include/net/netfilter/nf_tables_offload.h
+++ b/include/net/netfilter/nf_tables_offload.h
@@ -92,7 +92,7 @@ int nft_flow_rule_offload_commit(struct net *net);
NFT_OFFLOAD_MATCH(__key, __base, __field, __len, __reg) \
memset(&(__reg)->mask, 0xff, (__reg)->len);
-int nft_chain_offload_priority(struct nft_base_chain *basechain);
+bool nft_chain_offload_support(const struct nft_base_chain *basechain);
int nft_offload_init(void);
void nft_offload_exit(void);
diff --git a/include/uapi/linux/tls.h b/include/uapi/linux/tls.h
index ac39328eabe7..bb8f80812b0b 100644
--- a/include/uapi/linux/tls.h
+++ b/include/uapi/linux/tls.h
@@ -39,7 +39,7 @@
/* TLS socket options */
#define TLS_TX 1 /* Set transmit parameters */
#define TLS_RX 2 /* Set receive parameters */
-#define TLS_TX_ZEROCOPY_SENDFILE 3 /* transmit zerocopy sendfile */
+#define TLS_TX_ZEROCOPY_RO 3 /* TX zerocopy (only sendfile now) */
/* Supported versions */
#define TLS_VERSION_MINOR(ver) ((ver) & 0xFF)
@@ -161,7 +161,7 @@ enum {
TLS_INFO_CIPHER,
TLS_INFO_TXCONF,
TLS_INFO_RXCONF,
- TLS_INFO_ZC_SENDFILE,
+ TLS_INFO_ZC_RO_TX,
__TLS_INFO_MAX,
};
#define TLS_INFO_MAX (__TLS_INFO_MAX - 1)
diff --git a/include/xen/arm/xen-ops.h b/include/xen/arm/xen-ops.h
new file mode 100644
index 000000000000..b0766a660338
--- /dev/null
+++ b/include/xen/arm/xen-ops.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_ARM_XEN_OPS_H
+#define _ASM_ARM_XEN_OPS_H
+
+#include <xen/swiotlb-xen.h>
+#include <xen/xen-ops.h>
+
+static inline void xen_setup_dma_ops(struct device *dev)
+{
+#ifdef CONFIG_XEN
+ if (xen_is_grant_dma_device(dev))
+ xen_grant_setup_dma_ops(dev);
+ else if (xen_swiotlb_detect())
+ dev->dma_ops = &xen_swiotlb_dma_ops;
+#endif
+}
+
+#endif /* _ASM_ARM_XEN_OPS_H */
diff --git a/include/xen/grant_table.h b/include/xen/grant_table.h
index 527c9907f99c..e279be353e3f 100644
--- a/include/xen/grant_table.h
+++ b/include/xen/grant_table.h
@@ -127,10 +127,14 @@ int gnttab_try_end_foreign_access(grant_ref_t ref);
*/
int gnttab_alloc_grant_references(u16 count, grant_ref_t *pprivate_head);
+int gnttab_alloc_grant_reference_seq(unsigned int count, grant_ref_t *first);
+
void gnttab_free_grant_reference(grant_ref_t ref);
void gnttab_free_grant_references(grant_ref_t head);
+void gnttab_free_grant_reference_seq(grant_ref_t head, unsigned int count);
+
int gnttab_empty_grant_references(const grant_ref_t *pprivate_head);
int gnttab_claim_grant_reference(grant_ref_t *pprivate_head);
diff --git a/include/xen/xen-ops.h b/include/xen/xen-ops.h
index c7c1b46ff4cd..80546960f8b7 100644
--- a/include/xen/xen-ops.h
+++ b/include/xen/xen-ops.h
@@ -214,4 +214,17 @@ static inline void xen_preemptible_hcall_end(void) { }
#endif /* CONFIG_XEN_PV && !CONFIG_PREEMPTION */
+#ifdef CONFIG_XEN_GRANT_DMA_OPS
+void xen_grant_setup_dma_ops(struct device *dev);
+bool xen_is_grant_dma_device(struct device *dev);
+#else
+static inline void xen_grant_setup_dma_ops(struct device *dev)
+{
+}
+static inline bool xen_is_grant_dma_device(struct device *dev)
+{
+ return false;
+}
+#endif /* CONFIG_XEN_GRANT_DMA_OPS */
+
#endif /* INCLUDE_XEN_OPS_H */
diff --git a/include/xen/xen.h b/include/xen/xen.h
index a99bab817523..0780a81e140d 100644
--- a/include/xen/xen.h
+++ b/include/xen/xen.h
@@ -52,6 +52,14 @@ bool xen_biovec_phys_mergeable(const struct bio_vec *vec1,
extern u64 xen_saved_max_mem_size;
#endif
+#include <linux/platform-feature.h>
+
+static inline void xen_set_restricted_virtio_memory_access(void)
+{
+ if (IS_ENABLED(CONFIG_XEN_VIRTIO) && xen_domain())
+ platform_set(PLATFORM_VIRTIO_RESTRICTED_MEM_ACCESS);
+}
+
#ifdef CONFIG_XEN_UNPOPULATED_ALLOC
int xen_alloc_unpopulated_pages(unsigned int nr_pages, struct page **pages);
void xen_free_unpopulated_pages(unsigned int nr_pages, struct page **pages);
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-25 23:58:41 +0000