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/openbmc/linux/mm/
H A Dbacking-dev.c52 struct bdi_writeback *wb = &bdi->wb; in bdi_debug_stats_show() local
60 spin_lock(&wb->list_lock); in bdi_debug_stats_show()
61 list_for_each_entry(inode, &wb->b_dirty, i_io_list) in bdi_debug_stats_show()
63 list_for_each_entry(inode, &wb->b_io, i_io_list) in bdi_debug_stats_show()
65 list_for_each_entry(inode, &wb->b_more_io, i_io_list) in bdi_debug_stats_show()
67 list_for_each_entry(inode, &wb->b_dirty_time, i_io_list) in bdi_debug_stats_show()
70 spin_unlock(&wb->list_lock); in bdi_debug_stats_show()
73 wb_thresh = wb_calc_thresh(wb, dirty_thresh); in bdi_debug_stats_show()
90 (unsigned long) K(wb_stat(wb, WB_WRITEBACK)), in bdi_debug_stats_show()
91 (unsigned long) K(wb_stat(wb, WB_RECLAIMABLE)), in bdi_debug_stats_show()
[all …]
H A Dpage-writeback.c129 struct bdi_writeback *wb; member
137 unsigned long wb_dirty; /* per-wb counterparts */
153 #define GDTC_INIT(__wb) .wb = (__wb), \
159 #define MDTC_INIT(__wb, __gdtc) .wb = (__wb), \
179 static struct fprop_local_percpu *wb_memcg_completions(struct bdi_writeback *wb) in wb_memcg_completions() argument
181 return &wb->memcg_completions; in wb_memcg_completions()
184 static void wb_min_max_ratio(struct bdi_writeback *wb, in wb_min_max_ratio() argument
187 unsigned long this_bw = READ_ONCE(wb->avg_write_bandwidth); in wb_min_max_ratio()
188 unsigned long tot_bw = atomic_long_read(&wb->bdi->tot_write_bandwidth); in wb_min_max_ratio()
189 unsigned long long min = wb->bdi->min_ratio; in wb_min_max_ratio()
[all …]
/openbmc/linux/fs/
H A Dfs-writeback.c85 static bool wb_io_lists_populated(struct bdi_writeback *wb) in wb_io_lists_populated() argument
87 if (wb_has_dirty_io(wb)) { in wb_io_lists_populated()
90 set_bit(WB_has_dirty_io, &wb->state); in wb_io_lists_populated()
91 WARN_ON_ONCE(!wb->avg_write_bandwidth); in wb_io_lists_populated()
92 atomic_long_add(wb->avg_write_bandwidth, in wb_io_lists_populated()
93 &wb->bdi->tot_write_bandwidth); in wb_io_lists_populated()
98 static void wb_io_lists_depopulated(struct bdi_writeback *wb) in wb_io_lists_depopulated() argument
100 if (wb_has_dirty_io(wb) && list_empty(&wb->b_dirty) && in wb_io_lists_depopulated()
101 list_empty(&wb->b_io) && list_empty(&wb->b_more_io)) { in wb_io_lists_depopulated()
102 clear_bit(WB_has_dirty_io, &wb->state); in wb_io_lists_depopulated()
[all …]
/openbmc/linux/include/linux/
H A Dbacking-dev-defs.h84 * Each wb (bdi_writeback) can perform writeback operations, is measured
86 * (bdi_writeback) is served by its embedded bdi->wb.
90 * memcg - blkcg combination can be served by its own wb by assigning a
91 * dedicated wb to each memcg, which enables isolation across different
95 * A cgroup wb is indexed on its bdi by the ID of the associated memcg,
98 * change as blkcg is disabled and enabled higher up in the hierarchy, a wb
100 * that a new wb for the combination can be created.
147 struct percpu_ref refcnt; /* used only for !root wb's */
186 struct bdi_writeback wb; /* the root writeback info for this bdi */ member
190 struct mutex cgwb_release_mutex; /* protect shutdown of wb structs */
[all …]
H A Dbacking-dev.h39 void wb_start_background_writeback(struct bdi_writeback *wb);
41 void wb_wakeup_delayed(struct bdi_writeback *wb);
50 static inline bool wb_has_dirty_io(struct bdi_writeback *wb) in wb_has_dirty_io() argument
52 return test_bit(WB_has_dirty_io, &wb->state); in wb_has_dirty_io()
64 static inline void wb_stat_mod(struct bdi_writeback *wb, in wb_stat_mod() argument
67 percpu_counter_add_batch(&wb->stat[item], amount, WB_STAT_BATCH); in wb_stat_mod()
70 static inline void inc_wb_stat(struct bdi_writeback *wb, enum wb_stat_item item) in inc_wb_stat() argument
72 wb_stat_mod(wb, item, 1); in inc_wb_stat()
75 static inline void dec_wb_stat(struct bdi_writeback *wb, enum wb_stat_item item) in dec_wb_stat() argument
77 wb_stat_mod(wb, item, -1); in dec_wb_stat()
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H A Dwriteback.h81 struct bdi_writeback *wb; /* wb this writeback is issued under */ member
85 int wb_id; /* current wb id */
86 int wb_lcand_id; /* last foreign candidate wb id */
87 int wb_tcand_id; /* this foreign candidate wb id */
88 size_t wb_bytes; /* bytes written by current wb */
108 ((wbc)->wb ? (wbc)->wb->blkcg_css : blkcg_root_css)
114 * A wb_domain represents a domain that wb's (bdi_writeback's) belong to
116 * domain, global_wb_domain, that every wb in the system is a member of.
117 * This allows measuring the relative bandwidth of each wb to distribute
215 bool cleanup_offline_cgwb(struct bdi_writeback *wb);
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/openbmc/linux/include/trace/events/
H A Dwriteback.h151 static inline ino_t __trace_wb_assign_cgroup(struct bdi_writeback *wb) in __trace_wb_assign_cgroup() argument
153 return cgroup_ino(wb->memcg_css->cgroup); in __trace_wb_assign_cgroup()
158 if (wbc->wb) in __trace_wbc_assign_cgroup()
159 return __trace_wb_assign_cgroup(wbc->wb); in __trace_wbc_assign_cgroup()
165 static inline ino_t __trace_wb_assign_cgroup(struct bdi_writeback *wb) in __trace_wb_assign_cgroup() argument
239 TP_PROTO(struct folio *folio, struct bdi_writeback *wb),
241 TP_ARGS(folio, wb),
256 strscpy_pad(__entry->name, bdi_dev_name(wb->bdi), 32);
257 __entry->bdi_id = wb->bdi->id;
259 __entry->memcg_id = wb->memcg_css->id;
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/openbmc/linux/Documentation/devicetree/bindings/interrupt-controller/
H A Dqca,ath79-cpu-intc.txt5 qca,ddr-wb-channels and qca,ddr-wb-channel-interrupts properties.
20 - qca,ddr-wb-channel-interrupts: List of the interrupts needing a write
22 - qca,ddr-wb-channels: List of phandles to the write buffer channels for
23 each interrupt. If qca,ddr-wb-channel-interrupts is not present the interrupt
34 qca,ddr-wb-channel-interrupts = <2>, <3>, <4>, <5>;
35 qca,ddr-wb-channels = <&ddr_ctrl 3>, <&ddr_ctrl 2>,
43 #qca,ddr-wb-channel-cells = <1>;
/openbmc/linux/Documentation/arch/ia64/
H A Daliasing.rst19 WB Write-back (cacheable)
24 System memory typically uses the WB attribute. The UC attribute is
34 support either WB or UC access to main memory, while others support
35 only WB access.
82 and WB regions.
100 mappings may be either WB or UC. If the region being mapped
163 WB, we should use that (granules that are partially reserved
166 If the granule contains non-WB memory, but we can cover the
182 succeed. It may create either WB or UC user mappings, depending
191 0x00000-0x9FFFF WB only
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/openbmc/linux/arch/arm/mm/
H A Dproc-arm1020.S86 mcr p15, 0, ip, c7, c10, 4 @ drain WB
141 mcr p15, 0, ip, c7, c10, 4 @ drain WB
145 mcr p15, 0, ip, c7, c10, 4 @ drain WB
155 mcrne p15, 0, ip, c7, c10, 4 @ drain WB
177 mcr p15, 0, ip, c7, c10, 4 @ drain WB
186 mcrne p15, 0, ip, c7, c10, 4 @ drain WB
219 mcr p15, 0, ip, c7, c10, 4 @ drain WB
227 mcr p15, 0, ip, c7, c10, 4 @ drain WB
245 mcr p15, 0, ip, c7, c10, 4 @ drain WB
250 mcr p15, 0, ip, c7, c10, 4 @ drain WB
[all …]
H A Dproc-feroceon.S73 mcr p15, 0, r0, c7, c10, 4 @ drain WB
96 mcr p15, 0, ip, c7, c10, 4 @ drain WB
162 mcrne p15, 0, ip, c7, c10, 4 @ drain WB
191 mcrne p15, 0, ip, c7, c10, 4 @ drain WB
225 mcr p15, 0, r0, c7, c10, 4 @ drain WB
247 mcr p15, 0, r0, c7, c10, 4 @ drain WB
261 mcr p15, 0, r0, c7, c10, 4 @ drain WB
288 mcr p15, 0, r0, c7, c10, 4 @ drain WB
324 mcr p15, 0, r0, c7, c10, 4 @ drain WB
337 mcr p15, 0, r0, c7, c10, 4 @ drain WB
[all …]
H A Dproc-arm922.S80 mcr p15, 0, ip, c7, c10, 4 @ drain WB
141 mcrne p15, 0, ip, c7, c10, 4 @ drain WB
167 mcrne p15, 0, ip, c7, c10, 4 @ drain WB
200 mcr p15, 0, r0, c7, c10, 4 @ drain WB
221 mcr p15, 0, r0, c7, c10, 4 @ drain WB
247 mcr p15, 0, r0, c7, c10, 4 @ drain WB
266 mcr p15, 0, r0, c7, c10, 4 @ drain WB
283 mcr p15, 0, r0, c7, c10, 4 @ drain WB
356 mcr p15, 0, ip, c7, c10, 4 @ drain WB
373 mcr p15, 0, r0, c7, c10, 4 @ drain WB
/openbmc/linux/drivers/staging/media/atomisp/pci/isp/kernels/wb/wb_1.0/
H A Dia_css_wb.host.c59 const struct sh_css_isp_wb_params *wb, in ia_css_wb_dump() argument
62 if (!wb) return; in ia_css_wb_dump()
65 "wb_gain_shift", wb->gain_shift); in ia_css_wb_dump()
67 "wb_gain_gr", wb->gain_gr); in ia_css_wb_dump()
69 "wb_gain_r", wb->gain_r); in ia_css_wb_dump()
71 "wb_gain_b", wb->gain_b); in ia_css_wb_dump()
73 "wb_gain_gb", wb->gain_gb); in ia_css_wb_dump()
/openbmc/linux/certs/
H A Dextract-cert.c79 static BIO *wb; variable
87 if (!wb) { in write_cert()
88 wb = BIO_new_file(cert_dst, "wb"); in write_cert()
89 ERR(!wb, "%s", cert_dst); in write_cert()
92 ERR(!i2d_X509_bio(wb, x509), "%s", cert_dst); in write_cert()
120 FILE *f = fopen(cert_dst, "wb"); in main()
156 if (wb && !x509) { in main()
169 BIO_free(wb); in main()
/openbmc/linux/drivers/gpu/drm/msm/disp/dpu1/
H A Ddpu_hw_wb.h26 * struct dpu_hw_wb_ops : Interface to the wb hw driver functions
36 struct dpu_hw_wb_cfg *wb);
39 struct dpu_hw_wb_cfg *wb);
42 struct dpu_hw_wb_cfg *wb);
56 * struct dpu_hw_wb : WB driver object
65 /* wb path */
H A Ddpu_encoder_phys_wb.c29 * dpu_encoder_phys_wb_is_master - report wb always as master encoder
91 DPU_DEBUG("[qos_remap] wb:%d vbif:%d xin:%d is_rt:%d\n", in dpu_encoder_phys_wb_set_qos_remap()
203 intf_cfg.wb = hw_wb->idx; in dpu_encoder_phys_wb_setup_cdp()
212 /* setup which pp blk will connect to this wb */ in dpu_encoder_phys_wb_setup_cdp()
222 intf_cfg.wb = hw_wb->idx; in dpu_encoder_phys_wb_setup_cdp()
300 DPU_DEBUG("[wb:%d]\n", hw_wb->idx - WB_0); in _dpu_encoder_phys_wb_update_flush()
303 DPU_DEBUG("[wb:%d] no ctl assigned\n", hw_wb->idx - WB_0); in _dpu_encoder_phys_wb_update_flush()
317 DPU_DEBUG("Pending flush mask for CTL_%d is 0x%x, WB %d\n", in _dpu_encoder_phys_wb_update_flush()
362 DPU_DEBUG("[wb:%d]\n", hw_wb->idx - WB_0); in dpu_encoder_phys_wb_done_irq()
380 * dpu_encoder_phys_wb_irq_ctrl - irq control of WB
[all …]
/openbmc/linux/Documentation/devicetree/bindings/memory-controllers/
H A Dqca,ath79-ddr-controller.yaml29 "#qca,ddr-wb-channel-cells":
41 - "#qca,ddr-wb-channel-cells"
53 #qca,ddr-wb-channel-cells = <1>;
58 qca,ddr-wb-channel-interrupts = <2>, <3>, <4>, <5>;
59 qca,ddr-wb-channels = <&ddr_ctrl 3>, <&ddr_ctrl 2>,
/openbmc/linux/drivers/gpu/drm/radeon/
H A Dr600_dma.c55 if (rdev->wb.enabled) in r600_dma_get_rptr()
56 rptr = rdev->wb.wb[ring->rptr_offs/4]; in r600_dma_get_rptr()
141 /* set the wb address whether it's enabled or not */ in r600_dma_resume()
143 upper_32_bits(rdev->wb.gpu_addr + R600_WB_DMA_RPTR_OFFSET) & 0xFF); in r600_dma_resume()
145 ((rdev->wb.gpu_addr + R600_WB_DMA_RPTR_OFFSET) & 0xFFFFFFFC)); in r600_dma_resume()
147 if (rdev->wb.enabled) in r600_dma_resume()
243 gpu_addr = rdev->wb.gpu_addr + index; in r600_dma_ring_test()
246 rdev->wb.wb[index/4] = cpu_to_le32(tmp); in r600_dma_ring_test()
260 tmp = le32_to_cpu(rdev->wb.wb[index/4]); in r600_dma_ring_test()
350 gpu_addr = rdev->wb.gpu_addr + index; in r600_dma_ib_test()
[all …]
H A Dradeon_device.c424 rdev->wb.enabled = false; in radeon_wb_disable()
438 if (rdev->wb.wb_obj) { in radeon_wb_fini()
439 if (!radeon_bo_reserve(rdev->wb.wb_obj, false)) { in radeon_wb_fini()
440 radeon_bo_kunmap(rdev->wb.wb_obj); in radeon_wb_fini()
441 radeon_bo_unpin(rdev->wb.wb_obj); in radeon_wb_fini()
442 radeon_bo_unreserve(rdev->wb.wb_obj); in radeon_wb_fini()
444 radeon_bo_unref(&rdev->wb.wb_obj); in radeon_wb_fini()
445 rdev->wb.wb = NULL; in radeon_wb_fini()
446 rdev->wb.wb_obj = NULL; in radeon_wb_fini()
463 if (rdev->wb.wb_obj == NULL) { in radeon_wb_init()
[all …]
/openbmc/linux/drivers/usb/class/
H A Dcdc-acm.c157 usb_poison_urb(acm->wb[i].urb); in acm_poison_urbs()
169 usb_unpoison_urb(acm->wb[i].urb); in acm_unpoison_urbs()
182 struct acm_wb *wb; in acm_wb_alloc() local
187 wb = &acm->wb[wbn]; in acm_wb_alloc()
188 if (!wb->use) { in acm_wb_alloc()
189 wb->use = true; in acm_wb_alloc()
190 wb->len = 0; in acm_wb_alloc()
207 if(acm->wb[i].use) in acm_wb_is_avail()
216 static void acm_write_done(struct acm *acm, struct acm_wb *wb) in acm_write_done() argument
218 wb->use = false; in acm_write_done()
[all …]
/openbmc/linux/drivers/net/wireless/microchip/wilc1000/
H A Dspi.c363 static int wilc_spi_tx_rx(struct wilc *wilc, u8 *wb, u8 *rb, u32 rlen) in wilc_spi_tx_rx() argument
372 .tx_buf = wb, in wilc_spi_tx_rx()
487 u8 wb[32], rb[32]; in wilc_spi_single_read() local
494 memset(wb, 0x0, sizeof(wb)); in wilc_spi_single_read()
496 c = (struct wilc_spi_cmd *)wb; in wilc_spi_single_read()
517 c->u.simple_cmd.crc[0] = wilc_get_crc7(wb, cmd_len); in wilc_spi_single_read()
522 if (cmd_len + resp_len > ARRAY_SIZE(wb)) { in wilc_spi_single_read()
525 cmd_len, resp_len, ARRAY_SIZE(wb)); in wilc_spi_single_read()
529 if (wilc_spi_tx_rx(wilc, wb, rb, cmd_len + resp_len)) { in wilc_spi_single_read()
582 u8 wb[32], rb[32]; in wilc_spi_write_cmd() local
[all …]
/openbmc/linux/security/apparmor/
H A Dmatch.c671 #define inc_wb_pos(wb) \ argument
673 wb->pos = (wb->pos + 1) & (WB_HISTORY_SIZE - 1); \
674 wb->len = (wb->len + 1) & (WB_HISTORY_SIZE - 1); \
678 static bool is_loop(struct match_workbuf *wb, aa_state_t state, in is_loop() argument
681 aa_state_t pos = wb->pos; in is_loop()
684 if (wb->history[pos] < state) in is_loop()
687 for (i = 0; i <= wb->len; i++) { in is_loop()
688 if (wb->history[pos] == state) { in is_loop()
702 const char *str, struct match_workbuf *wb, in leftmatch_fb() argument
713 AA_BUG(!wb); in leftmatch_fb()
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/openbmc/linux/drivers/irqchip/
H A Dirq-ath79-cpu.c63 node, "qca,ddr-wb-channels", "#qca,ddr-wb-channel-cells"); in ar79_cpu_intc_of_init()
70 node, "qca,ddr-wb-channel-interrupts", i, &irq); in ar79_cpu_intc_of_init()
75 node, "qca,ddr-wb-channels", in ar79_cpu_intc_of_init()
76 "#qca,ddr-wb-channel-cells", in ar79_cpu_intc_of_init()
/openbmc/linux/drivers/gpu/drm/tidss/
H A Dtidss_irq.h18 * bit group |dev|wb |mrg0|mrg1|mrg2|mrg3|plane0-3| <unused> |
23 * WB bits: f = frame done wb, o = wb buffer overflow,
24 * u = wb buffer uncomplete
/openbmc/linux/Documentation/arch/x86/
H A Dpat.rst20 WB Write-back
43 | ioremap_cache | -- | WB | WB |
71 | /dev/mem | -- | WB/WC/UC- | WB/WC/UC- |
77 | /dev/mem | -- | WB/WC/UC- | WB/WC/UC- |
82 | /dev/mem | -- | WB | WB |
86 | MTRR says WB | | | |
92 | MTRR says !WB | | | |
145 WC 000 WB _PAGE_CACHE_MODE_WB WC | WC
163 will first make a region uc, wc or wt and switch it back to wb after use.

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