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/openbmc/linux/mm/
H A Dmmu_gather.c20 struct mmu_gather_batch *batch; in tlb_next_batch() local
23 if (tlb->delayed_rmap && tlb->active != &tlb->local) in tlb_next_batch()
26 batch = tlb->active; in tlb_next_batch()
27 if (batch->next) { in tlb_next_batch()
28 tlb->active = batch->next; in tlb_next_batch()
32 if (tlb->batch_count == MAX_GATHER_BATCH_COUNT) in tlb_next_batch()
35 batch = (void *)__get_free_page(GFP_NOWAIT | __GFP_NOWARN); in tlb_next_batch()
36 if (!batch) in tlb_next_batch()
39 tlb->batch_count++; in tlb_next_batch()
40 batch->next = NULL; in tlb_next_batch()
[all …]
/openbmc/qemu/util/
H A Dqemu-coroutine.c11 * See the COPYING.LIB file in the top-level directory.
20 #include "qemu/coroutine-tls.h"
40 * .-----------------------------------.
41 * | Batch 1 | Batch 2 | Batch 3 | ... | global_pool
42 * `-----------------------------------'
44 * .-------------------.
45 * | Batch 1 | Batch 2 | per-thread local_pool (maximum 2 batches)
46 * `-------------------'
52 /* This batch holds up to @COROUTINE_POOL_BATCH_MAX_SIZE coroutines */
72 CoroutinePoolBatch *batch = g_new(CoroutinePoolBatch, 1); in coroutine_pool_batch_new() local
[all …]
/openbmc/linux/arch/powerpc/mm/book3s64/
H A Dhash_tlb.c1 // SPDX-License-Identifier: GPL-2.0-or-later
7 * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
27 #include <asm/pte-walk.h>
37 * immediately or will batch it up if the current CPU has an active
38 * batch on it.
44 struct ppc64_tlb_batch *batch = &get_cpu_var(ppc64_tlb_batch); in hpte_need_flush() local
51 i = batch->index; in hpte_need_flush()
65 addr &= ~((1UL << mmu_psize_defs[psize].shift) - 1); in hpte_need_flush()
90 vsid = get_user_vsid(&mm->context, addr, ssize); in hpte_need_flush()
100 * Check if we have an active batch on this CPU. If not, just in hpte_need_flush()
[all …]
/openbmc/linux/drivers/gpu/drm/i915/selftests/
H A Digt_spinner.c2 * SPDX-License-Identifier: MIT
19 spin->gt = gt; in igt_spinner_init()
21 spin->hws = i915_gem_object_create_internal(gt->i915, PAGE_SIZE); in igt_spinner_init()
22 if (IS_ERR(spin->hws)) { in igt_spinner_init()
23 err = PTR_ERR(spin->hws); in igt_spinner_init()
26 i915_gem_object_set_cache_coherency(spin->hws, I915_CACHE_LLC); in igt_spinner_init()
28 spin->obj = i915_gem_object_create_internal(gt->i915, PAGE_SIZE); in igt_spinner_init()
29 if (IS_ERR(spin->obj)) { in igt_spinner_init()
30 err = PTR_ERR(spin->obj); in igt_spinner_init()
37 i915_gem_object_put(spin->hws); in igt_spinner_init()
[all …]
H A Di915_request.c75 request = mock_request(rcs0(i915)->kernel_context, HZ / 10); in igt_add_request()
77 return -ENOMEM; in igt_add_request()
89 int err = -EINVAL; in igt_wait_request()
93 request = mock_request(rcs0(i915)->kernel_context, T); in igt_wait_request()
95 return -ENOMEM; in igt_wait_request()
99 if (i915_request_wait(request, 0, 0) != -ETIME) { in igt_wait_request()
104 if (i915_request_wait(request, 0, T) != -ETIME) { in igt_wait_request()
116 if (i915_request_wait(request, 0, 0) != -ETIME) { in igt_wait_request()
126 if (i915_request_wait(request, 0, T / 2) != -ETIME) { in igt_wait_request()
131 if (i915_request_wait(request, 0, T) == -ETIME) { in igt_wait_request()
[all …]
/openbmc/linux/drivers/iommu/iommufd/
H A Dpages.c1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (c) 2021-2022, NVIDIA CORPORATION & AFFILIATES.
21 * If access_itree includes the PFN's index then an in-kernel access has
31 * means removing an iommu_domain or releasing a in-kernel access will not fail
108 for (i = 0; i != ARRAY_SIZE(iter->spans); i++) { in interval_tree_double_span_iter_update()
109 if (interval_tree_span_iter_done(&iter->spans[i])) { in interval_tree_double_span_iter_update()
110 iter->is_used = -1; in interval_tree_double_span_iter_update()
114 if (iter->spans[i].is_hole) { in interval_tree_double_span_iter_update()
115 last_hole = min(last_hole, iter->spans[i].last_hole); in interval_tree_double_span_iter_update()
119 iter->is_used = i + 1; in interval_tree_double_span_iter_update()
[all …]
/openbmc/linux/drivers/gpu/drm/i915/gt/
H A Dgen7_renderclear.c1 // SPDX-License-Identifier: MIT
12 #define batch_advance(Y, CS) GEM_BUG_ON((Y)->end != (CS))
48 * a shader on every HW thread, and clear the thread-local registers. in num_primitives()
52 return bv->max_threads; in num_primitives()
59 switch (INTEL_INFO(i915)->gt) { in batch_get_defaults()
62 bv->max_threads = 70; in batch_get_defaults()
65 bv->max_threads = 140; in batch_get_defaults()
68 bv->max_threads = 280; in batch_get_defaults()
71 bv->surface_height = 16 * 16; in batch_get_defaults()
72 bv->surface_width = 32 * 2 * 16; in batch_get_defaults()
[all …]
H A Dintel_lrc.c1 // SPDX-License-Identifier: MIT
24 * The per-platform tables are u8-encoded in @data. Decode @data and set the
29 * [7]: create NOPs - number of NOPs are set in lower bits
60 const u32 base = engine->mmio_base; in set_offsets()
78 if (GRAPHICS_VER(engine->i915) >= 11) in set_offsets()
95 } while (--count); in set_offsets()
99 /* Close the batch; used mainly by live_lrc_layout() */ in set_offsets()
101 if (GRAPHICS_VER(engine->i915) >= 11) in set_offsets()
690 GEM_BUG_ON(GRAPHICS_VER(engine->i915) >= 12 && in reg_offsets()
693 if (engine->flags & I915_ENGINE_HAS_RCS_REG_STATE) { in reg_offsets()
[all …]
H A Dgen8_engine_cs.h1 /* SPDX-License-Identifier: MIT */
53 __gen8_emit_pipe_control(u32 *batch, u32 bit_group_0, in __gen8_emit_pipe_control() argument
56 memset(batch, 0, 6 * sizeof(u32)); in __gen8_emit_pipe_control()
58 batch[0] = GFX_OP_PIPE_CONTROL(6) | bit_group_0; in __gen8_emit_pipe_control()
59 batch[1] = bit_group_1; in __gen8_emit_pipe_control()
60 batch[2] = offset; in __gen8_emit_pipe_control()
62 return batch + 6; in __gen8_emit_pipe_control()
65 static inline u32 *gen8_emit_pipe_control(u32 *batch, in gen8_emit_pipe_control() argument
68 return __gen8_emit_pipe_control(batch, 0, bit_group_1, offset); in gen8_emit_pipe_control()
71 static inline u32 *gen12_emit_pipe_control(u32 *batch, u32 bit_group_0, in gen12_emit_pipe_control() argument
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H A Dselftest_hangcheck.c1 // SPDX-License-Identifier: MIT
38 u32 *batch; member
47 h->gt = gt; in hang_init()
49 h->ctx = kernel_context(gt->i915, NULL); in hang_init()
50 if (IS_ERR(h->ctx)) in hang_init()
51 return PTR_ERR(h->ctx); in hang_init()
53 GEM_BUG_ON(i915_gem_context_is_bannable(h->ctx)); in hang_init()
55 h->hws = i915_gem_object_create_internal(gt->i915, PAGE_SIZE); in hang_init()
56 if (IS_ERR(h->hws)) { in hang_init()
57 err = PTR_ERR(h->hws); in hang_init()
[all …]
/openbmc/linux/arch/powerpc/include/asm/book3s/64/
H A Dtlbflush-hash.h1 /* SPDX-License-Identifier: GPL-2.0 */
6 * TLB flushing for 64-bit hash-MMU CPUs
25 extern void __flush_tlb_pending(struct ppc64_tlb_batch *batch);
31 struct ppc64_tlb_batch *batch; in arch_enter_lazy_mmu_mode() local
40 batch = this_cpu_ptr(&ppc64_tlb_batch); in arch_enter_lazy_mmu_mode()
41 batch->active = 1; in arch_enter_lazy_mmu_mode()
46 struct ppc64_tlb_batch *batch; in arch_leave_lazy_mmu_mode() local
50 batch = this_cpu_ptr(&ppc64_tlb_batch); in arch_leave_lazy_mmu_mode()
52 if (batch->index) in arch_leave_lazy_mmu_mode()
53 __flush_tlb_pending(batch); in arch_leave_lazy_mmu_mode()
[all …]
/openbmc/linux/include/linux/
H A Dpagevec.h1 /* SPDX-License-Identifier: GPL-2.0 */
5 * In many places it is efficient to batch an operation up against multiple
20 * struct folio_batch - A collection of folios.
23 * operating on a set of folios. The order of folios in the batch may be
35 * folio_batch_init() - Initialise a batch of folios
36 * @fbatch: The folio batch.
42 fbatch->nr = 0; in folio_batch_init()
43 fbatch->percpu_pvec_drained = false; in folio_batch_init()
48 fbatch->nr = 0; in folio_batch_reinit()
53 return fbatch->nr; in folio_batch_count()
[all …]
/openbmc/linux/drivers/net/ethernet/netronome/nfp/flower/
H A Dlag_conf.c1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
27 * struct nfp_flower_cmsg_lag_config - control message payload for LAG config
30 * @ttl: Time to live of packet - host always sets to 0xff
31 * @pkt_number: Config message packet number - increment for each message
32 * @batch_ver: Batch version of messages - increment for each batch of messages
34 * @group_inst: Group instance number - increment when group is reused
35 * @members: Array of 32-bit words listing all active group members
49 * struct nfp_fl_lag_group - list entry for each LAG group
76 /* Use this ID with zero members to ack a batch config */
88 lag->pkt_num++; in nfp_fl_get_next_pkt_number()
[all …]
/openbmc/linux/drivers/gpu/drm/i915/gem/selftests/
H A Digt_gem_utils.c2 * SPDX-License-Identifier: MIT
31 ce = i915_gem_context_get_engine(ctx, engine->legacy_idx); in igt_request_alloc()
48 const int ver = GRAPHICS_VER(vma->vm->i915); in igt_emit_store_dw()
55 obj = i915_gem_object_create_internal(vma->vm->i915, size); in igt_emit_store_dw()
65 GEM_BUG_ON(offset + (count - 1) * PAGE_SIZE > i915_vma_size(vma)); in igt_emit_store_dw()
92 intel_gt_chipset_flush(vma->vm->gt); in igt_emit_store_dw()
94 vma = i915_vma_instance(obj, vma->vm, NULL); in igt_emit_store_dw()
116 struct i915_vma *batch; in igt_gpu_fill_dw() local
120 GEM_BUG_ON(!intel_engine_can_store_dword(ce->engine)); in igt_gpu_fill_dw()
123 batch = igt_emit_store_dw(vma, offset, count, val); in igt_gpu_fill_dw()
[all …]
H A Di915_gem_client_blt.c1 // SPDX-License-Identifier: MIT
56 * F so we can use the Y-tile algorithm to get to that point. in linear_x_y_to_ftiled_pos()
104 struct i915_vma *batch; member
115 /* XY_FAST_COPY_BLT does not exist on pre-gen9 platforms */ in fastblit_supports_x_tiling()
116 drm_WARN_ON(&i915->drm, gen < 9); in fastblit_supports_x_tiling()
129 /* XY_FAST_COPY_BLT does not exist on pre-gen9 platforms */ in fast_blit_ok()
130 if (GRAPHICS_VER(buf->vma->vm->i915) < 9) in fast_blit_ok()
133 /* filter out platforms with unsupported X-tile support in fastblit */ in fast_blit_ok()
134 if (buf->tiling == CLIENT_TILING_X && !fastblit_supports_x_tiling(buf->vma->vm->i915)) in fast_blit_ok()
143 struct drm_i915_gem_object *batch) in prepare_blit() argument
[all …]
/openbmc/linux/drivers/xen/
H A Dgntdev.c4 * Device for accessing (in user-space) pages that have been granted by other
7 * Copyright (c) 2006-2007, D G Murray.
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 #include <linux/dma-mapping.h>
49 #include "gntdev-common.h"
51 #include "gntdev-dmabuf.h"
57 MODULE_DESCRIPTION("User-space granted page access driver");
72 /* ------------------------------------------------------------------ */
86 list_for_each_entry(map, &priv->maps, next) in gntdev_print_maps()
88 map->index, map->count, in gntdev_print_maps()
[all …]
/openbmc/linux/tools/testing/selftests/tc-testing/
H A Dtdc_multibatch.py2 # SPDX-License-Identifier: GPL-2.0
4 tdc_multibatch.py - a thin wrapper over tdc_batch.py to generate multiple batch
14 description='TC multiple batch file generator')
16 parser.add_argument("dir", help="where to put batch files")
18 "num_filters", type=int, help="how many lines per batch file")
19 parser.add_argument("num_files", type=int, help="how many batch files")
25 "-x",
26 "--file_prefix",
28 help="prefix for generated batch file names")
30 "-d",
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/openbmc/linux/tools/testing/selftests/bpf/progs/
H A Dtest_bpf_ma.c1 // SPDX-License-Identifier: GPL-2.0
28 char data[_size - sizeof(void *)]; \
42 static __always_inline void batch_alloc_free(struct bpf_map *map, unsigned int batch, in batch_alloc_free() argument
49 for (i = 0; i < batch; i++) { in batch_alloc_free()
61 old = bpf_kptr_xchg(&value->data, new); in batch_alloc_free()
68 for (i = 0; i < batch; i++) { in batch_alloc_free()
75 old = bpf_kptr_xchg(&value->data, NULL); in batch_alloc_free()
84 #define CALL_BATCH_ALLOC_FREE(size, batch, idx) \ argument
85 batch_alloc_free((struct bpf_map *)(&array_##size), batch, idx)
106 /* Alloc 128 8-bytes objects in batch to trigger refilling, in test_bpf_mem_alloc_free()
[all …]
/openbmc/linux/drivers/gpu/drm/vmwgfx/
H A Dvmwgfx_mob.c1 // SPDX-License-Identifier: GPL-2.0 OR MIT
4 * Copyright 2012-2023 VMware, Inc., Palo Alto, CA., USA
20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
46 * struct vmw_mob - Structure containing page table and metadata for a
50 * @pt_level The indirection level of the page table. 0-2.
62 * struct vmw_otable - Guest Memory OBject table metadata
64 * @size: Size of the table (page-aligned).
103 * vmw_setup_otable_base - Issue an object table base setup command to
111 * This function returns -ENOMEM if it fails to reserve fifo space,
129 BUG_ON(otable->page_table != NULL); in vmw_setup_otable_base()
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/openbmc/linux/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/
H A Drx.c1 // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
14 * and private mlx5e_xdp_buff fields fall into xdp_buff_xsk->cb in xsk_buff_to_mxbuf()
22 struct mlx5e_icosq *icosq = rq->icosq; in mlx5e_xsk_alloc_rx_mpwqe()
23 struct mlx5_wq_cyc *wq = &icosq->wq; in mlx5e_xsk_alloc_rx_mpwqe()
26 int batch, i; in mlx5e_xsk_alloc_rx_mpwqe() local
27 u32 offset; /* 17-bit value with MTT. */ in mlx5e_xsk_alloc_rx_mpwqe()
30 if (unlikely(!xsk_buff_can_alloc(rq->xsk_pool, rq->mpwqe.pages_per_wqe))) in mlx5e_xsk_alloc_rx_mpwqe()
34 xsk_buffs = (struct xdp_buff **)wi->alloc_units.xsk_buffs; in mlx5e_xsk_alloc_rx_mpwqe()
35 batch = xsk_buff_alloc_batch(rq->xsk_pool, xsk_buffs, in mlx5e_xsk_alloc_rx_mpwqe()
36 rq->mpwqe.pages_per_wqe); in mlx5e_xsk_alloc_rx_mpwqe()
[all …]
/openbmc/linux/tools/testing/selftests/rcutorture/bin/
H A Dkvm.sh2 # SPDX-License-Identifier: GPL-2.0+
5 # by the relevant CFLIST file, but can be overridden by the --configs
6 # command-line argument.
17 T="`mktemp -d ${TMPDIR-/tmp}/kvm.sh.XXXXXX`"
18 trap 'rm -rf $T' 0
23 LANG=en_US.UTF-8; export LANG
55 ds=`date +%Y.%m.%d-%H.%M.%S`
56 jitter="-1"
63 echo " --allcpus"
64 echo " --bootargs kernel-boot-arguments"
[all …]
/openbmc/linux/include/linux/platform_data/
H A Dcros_ec_sensorhub.h1 /* SPDX-License-Identifier: GPL-2.0 */
19 * struct cros_ec_sensor_platform - ChromeOS EC sensor platform information.
27 * typedef cros_ec_sensorhub_push_data_cb_t - Callback function to send datum
67 * struct cros_ec_sensors_ts_filter_state - Timestamp filetr state.
94 /* struct cros_ec_sensors_ts_batch_state - State of batch of a single sensor.
96 * Use to store information to batch data using median fileter information.
98 * @penul_ts: last but one batch timestamp (penultimate timestamp).
100 * when a batch shows up.
101 * @penul_len: last but one batch length.
102 * @last_ts: Last batch timestam.
[all …]
/openbmc/linux/tools/testing/selftests/bpf/benchs/
H A Drun_bench_ringbufs.sh5 set -eufo pipefail
7 RUN_RB_BENCH="$RUN_BENCH -c1"
9 header "Single-producer, parallel producer"
10 for b in rb-libbpf rb-custom pb-libbpf pb-custom; do
14 header "Single-producer, parallel producer, sampled notification"
15 for b in rb-libbpf rb-custom pb-libbpf pb-custom; do
16 summarize $b "$($RUN_RB_BENCH --rb-sampled $b)"
19 header "Single-producer, back-to-back mode"
20 for b in rb-libbpf rb-custom pb-libbpf pb-custom; do
21 summarize $b "$($RUN_RB_BENCH --rb-b2b $b)"
[all …]
/openbmc/linux/tools/virtio/
H A Dvirtio_test.c1 // SPDX-License-Identifier: GPL-2.0
22 #define RANDOM_BATCH -1
49 static const struct vhost_vring_file no_backend = { .fd = -1 },
55 struct vq_info *info = vq->priv; in vq_notify()
58 r = write(info->kick, &v, sizeof v); in vq_notify()
70 struct vhost_vring_state state = { .index = info->idx }; in vhost_vq_setup()
71 struct vhost_vring_file file = { .index = info->idx }; in vhost_vq_setup()
72 unsigned long long features = dev->vdev.features; in vhost_vq_setup()
74 .index = info->idx, in vhost_vq_setup()
75 .desc_user_addr = (uint64_t)(unsigned long)info->vring.desc, in vhost_vq_setup()
[all …]
/openbmc/linux/Documentation/bpf/
H A Dbpf_prog_run.rst1 .. SPDX-License-Identifier: GPL-2.0
16 --------
20 can be used to unit test BPF programs against user-supplied context objects, and
28 - ``BPF_PROG_TYPE_SOCKET_FILTER``
29 - ``BPF_PROG_TYPE_SCHED_CLS``
30 - ``BPF_PROG_TYPE_SCHED_ACT``
31 - ``BPF_PROG_TYPE_XDP``
32 - ``BPF_PROG_TYPE_SK_LOOKUP``
33 - ``BPF_PROG_TYPE_CGROUP_SKB``
34 - ``BPF_PROG_TYPE_LWT_IN``
[all …]

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