| /Linux-v6.1/drivers/xen/ |
| D | grant-dma-ops.c | 32 static inline dma_addr_t grant_to_dma(grant_ref_t grant) in grant_to_dma() argument
34 return XEN_GRANT_DMA_ADDR_OFF | ((dma_addr_t)grant << XEN_PAGE_SHIFT); in grant_to_dma()
84 grant_ref_t grant; in xen_grant_dma_alloc() local
100 if (gnttab_alloc_grant_reference_seq(n_pages, &grant)) { in xen_grant_dma_alloc()
106 gnttab_grant_foreign_access_ref(grant + i, data->backend_domid, in xen_grant_dma_alloc()
110 *dma_handle = grant_to_dma(grant); in xen_grant_dma_alloc()
120 grant_ref_t grant; in xen_grant_dma_free() local
129 grant = dma_to_grant(dma_handle); in xen_grant_dma_free()
132 if (unlikely(!gnttab_end_foreign_access_ref(grant + i))) { in xen_grant_dma_free()
139 gnttab_free_grant_reference_seq(grant, n_pages); in xen_grant_dma_free()
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| D | Makefile | 3 obj-y += grant-table.o features.o balloon.o manage.o time.o
42 obj-$(CONFIG_XEN_GRANT_DMA_OPS) += grant-dma-ops.o
43 obj-$(CONFIG_XEN_GRANT_DMA_IOMMU) += grant-dma-iommu.o
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| D | Kconfig | 137 tristate "userspace grant access device driver"
145 bool "Add support for dma-buf grant access device driver extension"
150 dma-buf implementation. With this extension grant references to
152 use and grant references coming from a foreign domain can be
156 tristate "User-space grant reference allocator driver"
165 bool "Allow allocating DMA capable buffers with grant reference module"
168 Extends grant table module API to allow allocating DMA capable
169 buffers and mapping foreign grant references on top of it.
334 memory regions, including grant maps and foreign pages. This avoids
362 Require virtio for Xen guests to use grant mappings.
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| D | xen-scsiback.c | 440 struct page **pg, grant_handle_t *grant, int cnt) in scsiback_gnttab_data_map_batch() argument
457 grant[i] = map[i].handle; in scsiback_gnttab_data_map_batch()
464 grant_handle_t *grant, int cnt, u32 flags) in scsiback_gnttab_data_map_list() argument
481 err = scsiback_gnttab_data_map_batch(map, pg, grant, mapcount); in scsiback_gnttab_data_map_list()
483 grant += mapcount; in scsiback_gnttab_data_map_list()
489 err = scsiback_gnttab_data_map_batch(map, pg, grant, mapcount); in scsiback_gnttab_data_map_list()
505 grant_handle_t *grant; in scsiback_gnttab_data_map() local
559 grant = pending_req->grant_handles + nr_sgl; in scsiback_gnttab_data_map()
563 pg, grant, nr_segments, flags); in scsiback_gnttab_data_map()
573 pg, grant, n_segs, flags); in scsiback_gnttab_data_map()
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| /Linux-v6.1/Documentation/ABI/testing/ |
| D | sysfs-fs-xfs | 23 The current state of the log reserve grant head. It
25 outstanding transactions. The grant head is exported in
34 The current state of the log write grant head. It
37 rolling transactions. The grant head is exported in
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| D | sysfs-driver-xen-blkback | 24 How long a persistent grant is allowed to remain
36 cache any page not backed by a grant mapping.
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| D | sysfs-firmware-ofw | 3 Contact: Grant Likely <grant.likely@arm.com>, devicetree@vger.kernel.org
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| /Linux-v6.1/arch/arm/xen/ |
| D | Makefile | 2 obj-y := enlighten.o hypercall.o grant-table.o p2m.o mm.o
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| /Linux-v6.1/arch/arm64/xen/ |
| D | Makefile | 2 xen-arm-y += $(addprefix ../../arm/xen/, enlighten.o grant-table.o p2m.o mm.o)
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| /Linux-v6.1/fs/xfs/ |
| D | xfs_log.c | 203 xlog_assign_grant_head(&head->grant, 1, 0); in xlog_grant_head_init()
313 } while (xlog_space_left(log, &head->grant) < need_bytes); in xlog_grant_head_wait()
358 free_bytes = xlog_space_left(log, &head->grant); in xlog_grant_head_check()
435 xlog_grant_add_space(log, &log->l_write_head.grant, need_bytes); in xfs_log_regrant()
491 xlog_grant_add_space(log, &log->l_reserve_head.grant, need_bytes); in xfs_log_reserve()
492 xlog_grant_add_space(log, &log->l_write_head.grant, need_bytes); in xfs_log_reserve()
1159 free_bytes = xlog_space_left(log, &log->l_write_head.grant); in xfs_log_space_wake()
1168 free_bytes = xlog_space_left(log, &log->l_reserve_head.grant); in xfs_log_space_wake()
1703 free_bytes = xlog_space_left(log, &log->l_reserve_head.grant); in xlog_grant_push_threshold()
2061 xlog_grant_add_space(log, &log->l_reserve_head.grant, roundoff); in xlog_sync()
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| D | xfs_sysfs.c | 385 xlog_crack_grant_head(&log->l_reserve_head.grant, &cycle, &bytes); in reserve_grant_head_show()
399 xlog_crack_grant_head(&log->l_write_head.grant, &cycle, &bytes); in write_grant_head_show()
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| /Linux-v6.1/Documentation/devicetree/bindings/arm/ |
| D | xen.txt | 13 Region 0 is reserved for mapping grant table, it must be always present.
14 The memory region is large enough to map the whole grant table (it is larger
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| /Linux-v6.1/drivers/block/ |
| D | xen-blkfront.c | 87 struct grant { struct
104 struct grant **grants_used; argument
105 struct grant **indirect_grants;
313 struct grant *gnt_list_entry, *n; in fill_grant_buffer()
317 gnt_list_entry = kzalloc(sizeof(struct grant), GFP_NOIO); in fill_grant_buffer()
350 static struct grant *get_free_grant(struct blkfront_ring_info *rinfo) in get_free_grant()
352 struct grant *gnt_list_entry; in get_free_grant()
355 gnt_list_entry = list_first_entry(&rinfo->grants, struct grant, in get_free_grant()
365 static inline void grant_foreign_access(const struct grant *gnt_list_entry, in grant_foreign_access()
374 static struct grant *get_grant(grant_ref_t *gref_head, in get_grant()
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| /Linux-v6.1/Documentation/userspace-api/ |
| D | no_new_privs.rst | 5 The execve system call can grant a newly-started program privileges that
26 promises not to grant the privilege to do anything that could not have
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| /Linux-v6.1/fs/ceph/ |
| D | caps.c | 3326 struct ceph_mds_caps *grant, in handle_cap_grant() argument
3333 int seq = le32_to_cpu(grant->seq); in handle_cap_grant()
3334 int newcaps = le32_to_cpu(grant->caps); in handle_cap_grant()
3336 u64 size = le64_to_cpu(grant->size); in handle_cap_grant()
3337 u64 max_size = le64_to_cpu(grant->max_size); in handle_cap_grant()
3385 WARN_ON(cap->cap_id != le64_to_cpu(grant->cap_id)); in handle_cap_grant()
3400 umode_t mode = le32_to_cpu(grant->mode); in handle_cap_grant()
3407 inode->i_uid = make_kuid(&init_user_ns, le32_to_cpu(grant->uid)); in handle_cap_grant()
3408 inode->i_gid = make_kgid(&init_user_ns, le32_to_cpu(grant->gid)); in handle_cap_grant()
3417 set_nlink(inode, le32_to_cpu(grant->nlink)); in handle_cap_grant()
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| /Linux-v6.1/arch/x86/xen/ |
| D | Makefile | 17 obj-y += grant-table.o
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| /Linux-v6.1/Documentation/devicetree/bindings/net/can/ |
| D | mpc5xxx-mscan.txt | 5 Grant Likely <grant.likely@secretlab.ca>
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| /Linux-v6.1/net/sunrpc/xprtrdma/ |
| D | rpc_rdma.c | 989 u32 grant) in __rpcrdma_update_cwnd_locked() argument
991 buf->rb_credits = grant; in __rpcrdma_update_cwnd_locked()
992 xprt->cwnd = grant << RPC_CWNDSHIFT; in __rpcrdma_update_cwnd_locked()
995 static void rpcrdma_update_cwnd(struct rpcrdma_xprt *r_xprt, u32 grant) in rpcrdma_update_cwnd() argument
1000 __rpcrdma_update_cwnd_locked(xprt, &r_xprt->rx_buf, grant); in rpcrdma_update_cwnd()
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| /Linux-v6.1/Documentation/translations/zh_TW/ |
| D | gpio.txt | 9 Maintainer: Grant Likely <grant.likely@secretlab.ca>
19 英文版維護者： Grant Likely <grant.likely@secretlab.ca>
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| /Linux-v6.1/arch/powerpc/boot/dts/ |
| D | media5200.dts | 6 * Grant Likely <grant.likely@secretlab.ca>
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| D | lite5200b.dts | 6 * Grant Likely <grant.likely@secretlab.ca>
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| D | amigaone.dts | 67 min-grant = <0>;
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| /Linux-v6.1/fs/ocfs2/dlm/ |
| D | dlmconvert.c | 166 goto grant; in __dlmconvert_master()
187 grant: in __dlmconvert_master()
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| /Linux-v6.1/Documentation/locking/ |
| D | locktypes.rst | 150 Because an rw_semaphore writer cannot grant its priority to multiple
153 can grant their priority to a writer, a preempted low-priority writer will
313 - Because an rwlock_t writer cannot grant its priority to multiple
316 can grant their priority to a writer, a preempted low-priority writer
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| /Linux-v6.1/Documentation/filesystems/ |
| D | xfs-delayed-logging-design.rst | 225 Log space accounting is done via a pair of constructs called "grant heads". The
226 position of the grant heads is an absolute value, so the amount of space
228 grant head and the current log tail. That is, how much space can be
229 reserved/consumed before the grant heads would fully wrap the log and overtake
232 The first grant head is the "reserve" head. This tracks the byte count of the
239 The reserve grant head is used to accurately account for exact transaction
248 The other grant head is the "write" head. Unlike the reserve head, this grant
250 this might sound like it is accounting the same state as the reserve grant head
251 - and it mostly does track exactly the same location as the reserve grant head -
269 grant head does not track physical space - it only accounts for the amount of
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