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Searched refs:rb (Results 1 – 25 of 504) sorted by relevance

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/openbmc/linux/kernel/events/
H A Dring_buffer.c22 atomic_set(&handle->rb->poll, EPOLLIN); in perf_output_wakeup()
38 struct perf_buffer *rb = handle->rb; in perf_output_get_handle() local
46 (*(volatile unsigned int *)&rb->nest)++; in perf_output_get_handle()
47 handle->wakeup = local_read(&rb->wakeup); in perf_output_get_handle()
52 struct perf_buffer *rb = handle->rb; in perf_output_put_handle() local
60 nest = READ_ONCE(rb->nest); in perf_output_put_handle()
62 WRITE_ONCE(rb->nest, nest - 1); in perf_output_put_handle()
76 head = local_read(&rb->head); in perf_output_put_handle()
110 WRITE_ONCE(rb->user_page->data_head, head); in perf_output_put_handle()
118 WRITE_ONCE(rb->nest, 0); in perf_output_put_handle()
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H A Dinternal.h62 extern void rb_free(struct perf_buffer *rb);
66 struct perf_buffer *rb; in rb_free_rcu() local
68 rb = container_of(rcu_head, struct perf_buffer, rcu_head); in rb_free_rcu()
69 rb_free(rb); in rb_free_rcu()
72 static inline void rb_toggle_paused(struct perf_buffer *rb, bool pause) in rb_toggle_paused() argument
74 if (!pause && rb->nr_pages) in rb_toggle_paused()
75 rb->paused = 0; in rb_toggle_paused()
77 rb->paused = 1; in rb_toggle_paused()
83 extern int rb_alloc_aux(struct perf_buffer *rb, struct perf_event *event,
85 extern void rb_free_aux(struct perf_buffer *rb);
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/openbmc/obmc-console/
H A Dringbuffer.c31 struct ringbuffer *rb; in ringbuffer_init() local
33 rb = malloc(sizeof(*rb) + size); in ringbuffer_init()
34 if (!rb) { in ringbuffer_init()
38 memset(rb, 0, sizeof(*rb)); in ringbuffer_init()
39 rb->size = size; in ringbuffer_init()
40 rb->buf = (void *)(rb + 1); in ringbuffer_init()
42 return rb; in ringbuffer_init()
45 void ringbuffer_fini(struct ringbuffer *rb) in ringbuffer_fini() argument
47 while (rb->n_consumers) { in ringbuffer_fini()
48 ringbuffer_consumer_unregister(rb->consumers[0]); in ringbuffer_fini()
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/openbmc/linux/tools/lib/bpf/
H A Dringbuf.c60 static void ringbuf_unmap_ring(struct ring_buffer *rb, struct ring *r) in ringbuf_unmap_ring() argument
63 munmap(r->consumer_pos, rb->page_size); in ringbuf_unmap_ring()
67 munmap(r->producer_pos, rb->page_size + 2 * (r->mask + 1)); in ringbuf_unmap_ring()
73 int ring_buffer__add(struct ring_buffer *rb, int map_fd, in ring_buffer__add() argument
100 tmp = libbpf_reallocarray(rb->rings, rb->ring_cnt + 1, sizeof(*rb->rings)); in ring_buffer__add()
103 rb->rings = tmp; in ring_buffer__add()
105 tmp = libbpf_reallocarray(rb->events, rb->ring_cnt + 1, sizeof(*rb->events)); in ring_buffer__add()
108 rb->events = tmp; in ring_buffer__add()
110 r = &rb->rings[rb->ring_cnt]; in ring_buffer__add()
119 tmp = mmap(NULL, rb->page_size, PROT_READ | PROT_WRITE, MAP_SHARED, map_fd, 0); in ring_buffer__add()
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/openbmc/linux/drivers/scsi/bfa/
H A Dbfa_ioc_ct.c185 void __iomem *rb; in bfa_ioc_ct_reg_init() local
188 rb = bfa_ioc_bar0(ioc); in bfa_ioc_ct_reg_init()
190 ioc->ioc_regs.hfn_mbox = rb + ct_fnreg[pcifn].hfn_mbox; in bfa_ioc_ct_reg_init()
191 ioc->ioc_regs.lpu_mbox = rb + ct_fnreg[pcifn].lpu_mbox; in bfa_ioc_ct_reg_init()
192 ioc->ioc_regs.host_page_num_fn = rb + ct_fnreg[pcifn].hfn_pgn; in bfa_ioc_ct_reg_init()
195 ioc->ioc_regs.heartbeat = rb + BFA_IOC0_HBEAT_REG; in bfa_ioc_ct_reg_init()
196 ioc->ioc_regs.ioc_fwstate = rb + BFA_IOC0_STATE_REG; in bfa_ioc_ct_reg_init()
197 ioc->ioc_regs.alt_ioc_fwstate = rb + BFA_IOC1_STATE_REG; in bfa_ioc_ct_reg_init()
198 ioc->ioc_regs.hfn_mbox_cmd = rb + ct_p0reg[pcifn].hfn; in bfa_ioc_ct_reg_init()
199 ioc->ioc_regs.lpu_mbox_cmd = rb + ct_p0reg[pcifn].lpu; in bfa_ioc_ct_reg_init()
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H A Dbfa_ioc_cb.c138 void __iomem *rb; in bfa_ioc_cb_reg_init() local
141 rb = bfa_ioc_bar0(ioc); in bfa_ioc_cb_reg_init()
143 ioc->ioc_regs.hfn_mbox = rb + iocreg_fnreg[pcifn].hfn_mbox; in bfa_ioc_cb_reg_init()
144 ioc->ioc_regs.lpu_mbox = rb + iocreg_fnreg[pcifn].lpu_mbox; in bfa_ioc_cb_reg_init()
145 ioc->ioc_regs.host_page_num_fn = rb + iocreg_fnreg[pcifn].hfn_pgn; in bfa_ioc_cb_reg_init()
148 ioc->ioc_regs.heartbeat = rb + BFA_IOC0_HBEAT_REG; in bfa_ioc_cb_reg_init()
149 ioc->ioc_regs.ioc_fwstate = rb + BFA_IOC0_STATE_REG; in bfa_ioc_cb_reg_init()
150 ioc->ioc_regs.alt_ioc_fwstate = rb + BFA_IOC1_STATE_REG; in bfa_ioc_cb_reg_init()
152 ioc->ioc_regs.heartbeat = (rb + BFA_IOC1_HBEAT_REG); in bfa_ioc_cb_reg_init()
153 ioc->ioc_regs.ioc_fwstate = (rb + BFA_IOC1_STATE_REG); in bfa_ioc_cb_reg_init()
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/openbmc/linux/drivers/net/ethernet/brocade/bna/
H A Dbfa_ioc_ct.c49 static enum bfa_status bfa_ioc_ct_pll_init(void __iomem *rb,
51 static enum bfa_status bfa_ioc_ct2_pll_init(void __iomem *rb,
251 void __iomem *rb; in bfa_ioc_ct_reg_init() local
254 rb = bfa_ioc_bar0(ioc); in bfa_ioc_ct_reg_init()
256 ioc->ioc_regs.hfn_mbox = rb + ct_fnreg[pcifn].hfn_mbox; in bfa_ioc_ct_reg_init()
257 ioc->ioc_regs.lpu_mbox = rb + ct_fnreg[pcifn].lpu_mbox; in bfa_ioc_ct_reg_init()
258 ioc->ioc_regs.host_page_num_fn = rb + ct_fnreg[pcifn].hfn_pgn; in bfa_ioc_ct_reg_init()
261 ioc->ioc_regs.heartbeat = rb + BFA_IOC0_HBEAT_REG; in bfa_ioc_ct_reg_init()
262 ioc->ioc_regs.ioc_fwstate = rb + BFA_IOC0_STATE_REG; in bfa_ioc_ct_reg_init()
263 ioc->ioc_regs.alt_ioc_fwstate = rb + BFA_IOC1_STATE_REG; in bfa_ioc_ct_reg_init()
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/openbmc/linux/kernel/bpf/
H A Dringbuf.c80 struct bpf_ringbuf *rb; member
97 struct bpf_ringbuf *rb; in bpf_ringbuf_area_alloc() local
134 rb = vmap(pages, nr_meta_pages + 2 * nr_data_pages, in bpf_ringbuf_area_alloc()
136 if (rb) { in bpf_ringbuf_area_alloc()
138 rb->pages = pages; in bpf_ringbuf_area_alloc()
139 rb->nr_pages = nr_pages; in bpf_ringbuf_area_alloc()
140 return rb; in bpf_ringbuf_area_alloc()
152 struct bpf_ringbuf *rb = container_of(work, struct bpf_ringbuf, work); in bpf_ringbuf_notify() local
154 wake_up_all(&rb->waitq); in bpf_ringbuf_notify()
170 struct bpf_ringbuf *rb; in bpf_ringbuf_alloc() local
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/openbmc/linux/drivers/hid/intel-ish-hid/ishtp/
H A Dclient-buffers.c23 struct ishtp_cl_rb *rb; in ishtp_cl_alloc_rx_ring() local
28 rb = ishtp_io_rb_init(cl); in ishtp_cl_alloc_rx_ring()
29 if (!rb) { in ishtp_cl_alloc_rx_ring()
33 ret = ishtp_io_rb_alloc_buf(rb, len); in ishtp_cl_alloc_rx_ring()
37 list_add_tail(&rb->list, &cl->free_rb_list.list); in ishtp_cl_alloc_rx_ring()
99 struct ishtp_cl_rb *rb; in ishtp_cl_free_rx_ring() local
105 rb = list_entry(cl->free_rb_list.list.next, struct ishtp_cl_rb, in ishtp_cl_free_rx_ring()
107 list_del(&rb->list); in ishtp_cl_free_rx_ring()
108 kfree(rb->buffer.data); in ishtp_cl_free_rx_ring()
109 kfree(rb); in ishtp_cl_free_rx_ring()
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H A Dclient.c44 struct ishtp_cl_rb *rb; in ishtp_read_list_flush() local
49 list_for_each_entry_safe(rb, next, &cl->dev->read_list.list, list) in ishtp_read_list_flush()
50 if (rb->cl && ishtp_cl_cmp_id(cl, rb->cl)) { in ishtp_read_list_flush()
51 list_del(&rb->list); in ishtp_read_list_flush()
52 ishtp_io_rb_free(rb); in ishtp_read_list_flush()
447 struct ishtp_cl_rb *rb; in ishtp_cl_read_start() local
477 rb = NULL; in ishtp_cl_read_start()
481 rb = list_entry(cl->free_rb_list.list.next, struct ishtp_cl_rb, list); in ishtp_cl_read_start()
482 list_del_init(&rb->list); in ishtp_cl_read_start()
485 rb->cl = cl; in ishtp_cl_read_start()
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/openbmc/linux/lib/
H A Drbtree_test.c20 struct rb_node rb; member
39 if (key < rb_entry(parent, struct test_node, rb)->key) in insert()
45 rb_link_node(&node->rb, parent, new); in insert()
46 rb_insert_color(&node->rb, &root->rb_root); in insert()
57 if (key < rb_entry(parent, struct test_node, rb)->key) in insert_cached()
65 rb_link_node(&node->rb, parent, new); in insert_cached()
66 rb_insert_color_cached(&node->rb, root, leftmost); in insert_cached()
71 rb_erase(&node->rb, &root->rb_root); in erase()
76 rb_erase_cached(&node->rb, root); in erase_cached()
83 struct test_node, rb, u32, augmented, NODE_VAL) in RB_DECLARE_CALLBACKS_MAX() argument
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/openbmc/qemu/target/ppc/translate/
H A Ddfp-impl.c.inc13 TCGv_ptr rt, ra, rb; \
18 rb = gen_fprp_ptr(a->rb); \
19 gen_helper_##NAME(tcg_env, rt, ra, rb); \
29 TCGv_ptr ra, rb; \
33 rb = gen_fprp_ptr(a->rb); \
35 tcg_env, ra, rb); \
42 TCGv_ptr rb; \
45 rb = gen_fprp_ptr(a->rb); \
47 tcg_env, tcg_constant_i32(a->uim), rb);\
66 TCGv_ptr rt, rb; \
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/openbmc/qemu/target/openrisc/
H A Dsys_helper.c42 void HELPER(mtspr)(CPUOpenRISCState *env, target_ulong spr, target_ulong rb) in HELPER()
54 cpu_set_fpcsr(env, rb); in HELPER()
65 env->evbar = rb; in HELPER()
72 if (env->pc != rb) { in HELPER()
73 env->pc = rb; in HELPER()
80 cpu_set_sr(env, rb); in HELPER()
84 env->epcr = rb; in HELPER()
88 env->eear = rb; in HELPER()
92 env->esr = rb; in HELPER()
97 env->shadow_gpr[idx / 32][idx % 32] = rb; in HELPER()
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/openbmc/linux/kernel/printk/
H A Dprintk_ringbuffer.c564 static bool data_make_reusable(struct printk_ringbuffer *rb, in data_make_reusable() argument
570 struct prb_data_ring *data_ring = &rb->text_data_ring; in data_make_reusable()
571 struct prb_desc_ring *desc_ring = &rb->desc_ring; in data_make_reusable()
632 static bool data_push_tail(struct printk_ringbuffer *rb, unsigned long lpos) in data_push_tail() argument
634 struct prb_data_ring *data_ring = &rb->text_data_ring; in data_push_tail()
675 if (!data_make_reusable(rb, tail_lpos, lpos, &next_lpos)) { in data_push_tail()
767 static bool desc_push_tail(struct printk_ringbuffer *rb, in desc_push_tail() argument
770 struct prb_desc_ring *desc_ring = &rb->desc_ring; in desc_push_tail()
812 if (!data_push_tail(rb, desc.text_blk_lpos.next)) in desc_push_tail()
875 static bool desc_reserve(struct printk_ringbuffer *rb, unsigned long *id_out) in desc_reserve() argument
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/openbmc/qemu/target/alpha/
H A Dtranslate.c314 static void gen_load_fp(DisasContext *ctx, int ra, int rb, int32_t disp16, in gen_load_fp() argument
320 tcg_gen_addi_i64(addr, load_gpr(ctx, rb), disp16); in gen_load_fp()
325 static void gen_load_int(DisasContext *ctx, int ra, int rb, int32_t disp16, in gen_load_int() argument
338 tcg_gen_addi_i64(addr, load_gpr(ctx, rb), disp16); in gen_load_int()
380 static void gen_store_fp(DisasContext *ctx, int ra, int rb, int32_t disp16, in gen_store_fp() argument
384 tcg_gen_addi_i64(addr, load_gpr(ctx, rb), disp16); in gen_store_fp()
388 static void gen_store_int(DisasContext *ctx, int ra, int rb, int32_t disp16, in gen_store_int() argument
394 tcg_gen_addi_i64(addr, load_gpr(ctx, rb), disp16); in gen_store_int()
405 static DisasJumpType gen_store_conditional(DisasContext *ctx, int ra, int rb, in gen_store_conditional() argument
413 tcg_gen_addi_i64(addr, load_gpr(ctx, rb), disp16); in gen_store_conditional()
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/openbmc/qemu/migration/
H A Dpostcopy-ram.c340 static int test_ramblock_postcopiable(RAMBlock *rb, Error **errp) in test_ramblock_postcopiable() argument
342 const char *block_name = qemu_ram_get_idstr(rb); in test_ramblock_postcopiable()
343 ram_addr_t length = qemu_ram_get_used_length(rb); in test_ramblock_postcopiable()
344 size_t pagesize = qemu_ram_pagesize(rb); in test_ramblock_postcopiable()
355 if (rb->fd >= 0) { in test_ramblock_postcopiable()
356 fs = qemu_fd_getfs(rb->fd); in test_ramblock_postcopiable()
488 static int init_range(RAMBlock *rb, void *opaque) in init_range() argument
490 const char *block_name = qemu_ram_get_idstr(rb); in init_range()
491 void *host_addr = qemu_ram_get_host_addr(rb); in init_range()
492 ram_addr_t offset = qemu_ram_get_offset(rb); in init_range()
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/openbmc/qemu/include/exec/
H A Dcpu-common.h92 ram_addr_t qemu_ram_block_host_offset(RAMBlock *rb, void *host);
95 const char *qemu_ram_get_idstr(RAMBlock *rb);
96 void *qemu_ram_get_host_addr(RAMBlock *rb);
97 ram_addr_t qemu_ram_get_offset(RAMBlock *rb);
98 ram_addr_t qemu_ram_get_used_length(RAMBlock *rb);
99 ram_addr_t qemu_ram_get_max_length(RAMBlock *rb);
100 bool qemu_ram_is_shared(RAMBlock *rb);
101 bool qemu_ram_is_noreserve(RAMBlock *rb);
102 bool qemu_ram_is_uf_zeroable(RAMBlock *rb);
103 void qemu_ram_set_uf_zeroable(RAMBlock *rb);
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/openbmc/linux/drivers/gpu/drm/
H A Ddrm_mm.c152 INTERVAL_TREE_DEFINE(struct drm_mm_node, rb, in INTERVAL_TREE_DEFINE() argument
168 struct rb_node **link, *rb; in drm_mm_interval_tree_add_node() local
175 rb = &hole_node->rb; in drm_mm_interval_tree_add_node()
176 while (rb) { in drm_mm_interval_tree_add_node()
177 parent = rb_entry(rb, struct drm_mm_node, rb); in drm_mm_interval_tree_add_node()
182 rb = rb_parent(rb); in drm_mm_interval_tree_add_node()
185 rb = &hole_node->rb; in drm_mm_interval_tree_add_node()
186 link = &hole_node->rb.rb_right; in drm_mm_interval_tree_add_node()
189 rb = NULL; in drm_mm_interval_tree_add_node()
195 rb = *link; in drm_mm_interval_tree_add_node()
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H A Ddrm_prime.c100 struct rb_node **p, *rb; in drm_prime_add_buf_handle() local
110 rb = NULL; in drm_prime_add_buf_handle()
115 rb = *p; in drm_prime_add_buf_handle()
116 pos = rb_entry(rb, struct drm_prime_member, dmabuf_rb); in drm_prime_add_buf_handle()
118 p = &rb->rb_right; in drm_prime_add_buf_handle()
120 p = &rb->rb_left; in drm_prime_add_buf_handle()
122 rb_link_node(&member->dmabuf_rb, rb, p); in drm_prime_add_buf_handle()
125 rb = NULL; in drm_prime_add_buf_handle()
130 rb = *p; in drm_prime_add_buf_handle()
131 pos = rb_entry(rb, struct drm_prime_member, handle_rb); in drm_prime_add_buf_handle()
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/openbmc/linux/mm/
H A Dinterval_tree.c23 INTERVAL_TREE_DEFINE(struct vm_area_struct, shared.rb,
38 if (!prev->shared.rb.rb_right) { in vma_interval_tree_insert_after()
40 link = &prev->shared.rb.rb_right; in vma_interval_tree_insert_after()
42 parent = rb_entry(prev->shared.rb.rb_right, in vma_interval_tree_insert_after()
43 struct vm_area_struct, shared.rb); in vma_interval_tree_insert_after()
46 while (parent->shared.rb.rb_left) { in vma_interval_tree_insert_after()
47 parent = rb_entry(parent->shared.rb.rb_left, in vma_interval_tree_insert_after()
48 struct vm_area_struct, shared.rb); in vma_interval_tree_insert_after()
52 link = &parent->shared.rb.rb_left; in vma_interval_tree_insert_after()
56 rb_link_node(&node->shared.rb, &parent->shared.rb, link); in vma_interval_tree_insert_after()
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/openbmc/linux/drivers/misc/mchp_pci1xxxx/
H A Dmchp_pci1xxxx_otpe2p.c99 void __iomem *rb = priv->reg_base; in is_eeprom_responsive() local
104 rb + MMAP_EEPROM_OFFSET(EEPROM_CMD_REG)); in is_eeprom_responsive()
106 rb + MMAP_EEPROM_OFFSET(EEPROM_CMD_REG)); in is_eeprom_responsive()
111 true, rb + MMAP_EEPROM_OFFSET(EEPROM_CMD_REG)); in is_eeprom_responsive()
124 void __iomem *rb = priv->reg_base; in pci1xxxx_eeprom_read() local
141 writel(EEPROM_CMD_EPC_BUSY_BIT | (off + byte), rb + in pci1xxxx_eeprom_read()
148 rb + MMAP_EEPROM_OFFSET(EEPROM_CMD_REG)); in pci1xxxx_eeprom_read()
154 buf[byte] = readl(rb + MMAP_EEPROM_OFFSET(EEPROM_DATA_REG)); in pci1xxxx_eeprom_read()
165 void __iomem *rb = priv->reg_base; in pci1xxxx_eeprom_write() local
182 writel(*(value + byte), rb + MMAP_EEPROM_OFFSET(EEPROM_DATA_REG)); in pci1xxxx_eeprom_write()
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/openbmc/linux/Documentation/translations/zh_CN/core-api/
H A Drbtree.rst271 node = rb_entry(root->rb_node, struct interval_tree_node, rb);
274 if (node->rb.rb_left) {
276 rb_entry(node->rb.rb_left,
277 struct interval_tree_node, rb);
294 if (node->rb.rb_right) {
295 node = rb_entry(node->rb.rb_right,
296 struct interval_tree_node, rb);
311 if (node->rb.rb_left) {
312 subtree_last = rb_entry(node->rb.rb_left,
313 struct interval_tree_node, rb)->__subtree_last;
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/openbmc/linux/arch/arm64/crypto/
H A Dsm3-neon-core.S42 #define rb w4 macro
356 ldp ra, rb, [RSTATE, #0]
401 R1(ra, rb, rc, rd, re, rf, rg, rh, k_even, KL, 0, 0, IW, _, 0)
402 R1(rd, ra, rb, rc, rh, re, rf, rg, k_odd, _, 1, 1, IW, _, 0)
403 R1(rc, rd, ra, rb, rg, rh, re, rf, k_even, KL, 2, 2, IW, _, 0)
404 R1(rb, rc, rd, ra, rf, rg, rh, re, k_odd, _, 3, 3, IW, _, 0)
407 R1(ra, rb, rc, rd, re, rf, rg, rh, k_even, KL, 4, 0, IW, _, 0)
408 R1(rd, ra, rb, rc, rh, re, rf, rg, k_odd, _, 5, 1, IW, _, 0)
409 R1(rc, rd, ra, rb, rg, rh, re, rf, k_even, KL, 6, 2, IW, SCHED_W_W0W1W2W3W4W5_1, 12)
410 R1(rb, rc, rd, ra, rf, rg, rh, re, k_odd, _, 7, 3, IW, SCHED_W_W0W1W2W3W4W5_2, 12)
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/openbmc/linux/drivers/target/iscsi/
H A Discsi_target_configfs.c44 ssize_t rb; in lio_target_np_driver_show() local
48 rb = sysfs_emit(page, "1\n"); in lio_target_np_driver_show()
50 rb = sysfs_emit(page, "0\n"); in lio_target_np_driver_show()
52 return rb; in lio_target_np_driver_show()
474 ssize_t rb; \
479 rb = snprintf(page, PAGE_SIZE, \
483 rb = snprintf(page, PAGE_SIZE, "%u\n", \
488 return rb; \
530 ssize_t rb = 0; in lio_target_nacl_info_show() local
536 rb += sysfs_emit_at(page, rb, "No active iSCSI Session for Initiator" in lio_target_nacl_info_show()
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/openbmc/linux/drivers/gpu/drm/amd/display/dmub/inc/
H A Ddmub_cmd.h4225 static inline bool dmub_rb_empty(struct dmub_rb *rb) in dmub_rb_empty() argument
4227 return (rb->wrpt == rb->rptr); in dmub_rb_empty()
4237 static inline bool dmub_rb_full(struct dmub_rb *rb) in dmub_rb_full() argument
4241 if (rb->wrpt >= rb->rptr) in dmub_rb_full()
4242 data_count = rb->wrpt - rb->rptr; in dmub_rb_full()
4244 data_count = rb->capacity - (rb->rptr - rb->wrpt); in dmub_rb_full()
4246 return (data_count == (rb->capacity - DMUB_RB_CMD_SIZE)); in dmub_rb_full()
4257 static inline bool dmub_rb_push_front(struct dmub_rb *rb, in dmub_rb_push_front() argument
4260 uint64_t volatile *dst = (uint64_t volatile *)((uint8_t *)(rb->base_address) + rb->wrpt); in dmub_rb_push_front()
4264 if (dmub_rb_full(rb)) in dmub_rb_push_front()
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