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/linux/drivers/media/i2c/
H A Daptina-pll.c16 const struct aptina_pll_limits *limits, in aptina_pll_calculate() argument
29 if (pll->ext_clock < limits->ext_clock_min || in aptina_pll_calculate()
30 pll->ext_clock > limits->ext_clock_max) { in aptina_pll_calculate()
35 if (pll->pix_clock == 0 || pll->pix_clock > limits->pix_clock_max) { in aptina_pll_calculate()
55 mf_min = DIV_ROUND_UP(limits->m_min, pll->m); in aptina_pll_calculate()
56 mf_min = max(mf_min, limits->out_clock_min / in aptina_pll_calculate()
57 (pll->ext_clock / limits->n_min * pll->m)); in aptina_pll_calculate()
58 mf_min = max(mf_min, limits->n_min * limits->p1_min / div); in aptina_pll_calculate()
59 mf_max = limits->m_max / pll->m; in aptina_pll_calculate()
60 mf_max = min(mf_max, limits->out_clock_max / in aptina_pll_calculate()
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/linux/drivers/net/ipa/
H A Dipa_resource.c50 if (resource->limits[j].min || resource->limits[j].max) in ipa_resource_limits_valid()
63 if (resource->limits[j].min || resource->limits[j].max) in ipa_resource_limits_valid()
99 ylimits = group_count == 1 ? NULL : &resource->limits[1]; in ipa_resource_config_src()
101 &resource->limits[0], ylimits); in ipa_resource_config_src()
106 ylimits = group_count == 3 ? NULL : &resource->limits[3]; in ipa_resource_config_src()
108 &resource->limits[2], ylimits); in ipa_resource_config_src()
113 ylimits = group_count == 5 ? NULL : &resource->limits[5]; in ipa_resource_config_src()
115 &resource->limits[4], ylimits); in ipa_resource_config_src()
120 ylimits = group_count == 7 ? NULL : &resource->limits[7]; in ipa_resource_config_src()
122 &resource->limits[6], ylimits); in ipa_resource_config_src()
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/linux/drivers/infiniband/hw/mthca/
H A Dmthca_main.c168 mdev->limits.mtt_seg_size = (1 << log_mtts_per_seg) * 8; in mthca_dev_lim()
196 mdev->limits.num_ports = dev_lim->num_ports; in mthca_dev_lim()
197 mdev->limits.vl_cap = dev_lim->max_vl; in mthca_dev_lim()
198 mdev->limits.mtu_cap = dev_lim->max_mtu; in mthca_dev_lim()
199 mdev->limits.gid_table_len = dev_lim->max_gids; in mthca_dev_lim()
200 mdev->limits.pkey_table_len = dev_lim->max_pkeys; in mthca_dev_lim()
201 mdev->limits.local_ca_ack_delay = dev_lim->local_ca_ack_delay; in mthca_dev_lim()
207 mdev->limits.max_sg = min_t(int, dev_lim->max_sg, in mthca_dev_lim()
214 mdev->limits.max_wqes = dev_lim->max_qp_sz; in mthca_dev_lim()
215 mdev->limits.max_qp_init_rdma = dev_lim->max_requester_per_qp; in mthca_dev_lim()
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H A Dmthca_profile.c94 profile[MTHCA_RES_MTT].size = dev->limits.mtt_seg_size; in mthca_make_profile()
173 dev->limits.num_qps = profile[i].num; in mthca_make_profile()
178 dev->limits.num_eecs = profile[i].num; in mthca_make_profile()
183 dev->limits.num_srqs = profile[i].num; in mthca_make_profile()
188 dev->limits.num_cqs = profile[i].num; in mthca_make_profile()
199 dev->limits.num_eqs = profile[i].num; in mthca_make_profile()
212 dev->limits.num_mgms = profile[i].num >> 1; in mthca_make_profile()
213 dev->limits.num_amgms = profile[i].num >> 1; in mthca_make_profile()
220 dev->limits.num_mpts = profile[i].num; in mthca_make_profile()
226 dev->limits.num_mtt_segs = profile[i].num; in mthca_make_profile()
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H A Dmthca_mr.c221 for (i = dev->limits.mtt_seg_size / 8; i < size; i <<= 1) in __mthca_alloc_mtt()
267 mtt->first_seg * dev->limits.mtt_seg_size + in __mthca_write_mtt()
320 mtts = dev->mr_table.tavor_fmr.mtt_base + mtt->first_seg * dev->limits.mtt_seg_size + in mthca_tavor_write_mtt_seg()
339 BUG_ON(s % dev->limits.mtt_seg_size); in mthca_arbel_write_mtt_seg()
342 s / dev->limits.mtt_seg_size, &dma_handle); in mthca_arbel_write_mtt_seg()
475 mr->mtt->first_seg * dev->limits.mtt_seg_size); in mthca_mr_alloc()
489 key & (dev->limits.num_mpts - 1)); in mthca_mr_alloc()
556 (dev->limits.num_mpts - 1)); in mthca_free_mr()
570 dev->limits.num_mpts, in mthca_init_mr_table()
571 ~0, dev->limits.reserved_mrws); in mthca_init_mr_table()
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H A Dmthca_srq.c215 if (attr->max_wr > dev->limits.max_srq_wqes || in mthca_alloc_srq()
216 attr->max_sge > dev->limits.max_srq_sge) in mthca_alloc_srq()
232 if (!mthca_is_memfree(dev) && (ds > dev->limits.max_desc_sz)) in mthca_alloc_srq()
285 srq->srqn & (dev->limits.num_srqs - 1), in mthca_alloc_srq()
355 srq->srqn & (dev->limits.num_srqs - 1)); in mthca_free_srq()
437 srq = mthca_array_get(&dev->srq_table.srq, srqn & (dev->limits.num_srqs - 1)); in mthca_srq_event()
645 return dev->limits.max_sg; in mthca_max_srq_sge()
661 return min_t(int, dev->limits.max_sg, in mthca_max_srq_sge()
662 ((1 << (fls(dev->limits.max_desc_sz) - 1)) - in mthca_max_srq_sge()
677 dev->limits.num_srqs, in mthca_init_srq_table()
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H A Dmthca_uar.c59 dev->limits.num_uars, in mthca_init_uar_table()
60 dev->limits.num_uars - 1, in mthca_init_uar_table()
61 dev->limits.reserved_uars + 1); in mthca_init_uar_table()
H A Dmthca_qp.c245 qp = mthca_array_get(&dev->qp_table.qp, qpn & (dev->limits.num_qps - 1)); in mthca_qp_event()
317 param.port_width = dev->limits.port_width_cap; in init_port()
318 param.vl_cap = dev->limits.vl_cap; in init_port()
319 param.mtu_cap = dev->limits.mtu_cap; in init_port()
320 param.gid_cap = dev->limits.gid_table_len; in init_port()
321 param.pkey_cap = dev->limits.pkey_table_len; in init_port()
405 if (port_num == 0 || port_num > dev->limits.num_ports) in to_rdma_ah_attr()
423 (dev->limits.gid_table_len - 1), in to_rdma_ah_attr()
533 if (grh->sgid_index >= dev->limits.gid_table_len) { in mthca_path_set()
536 dev->limits.gid_table_len - 1); in mthca_path_set()
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H A Dmthca_mcg.c205 BUG_ON(index < dev->limits.num_mgms); in mthca_multicast_attach()
285 BUG_ON(amgm_index_to_free < dev->limits.num_mgms); in mthca_multicast_detach()
304 BUG_ON(index < dev->limits.num_mgms); in mthca_multicast_detach()
318 int table_size = dev->limits.num_mgms + dev->limits.num_amgms; in mthca_init_mcg_table()
323 dev->limits.num_mgms); in mthca_init_mcg_table()
/linux/drivers/clk/
H A Dclk-axi-clkgen.c66 struct axi_clkgen_limits limits; member
132 static void axi_clkgen_calc_params(const struct axi_clkgen_limits *limits, in axi_clkgen_calc_params() argument
151 d_min = max(DIV_ROUND_UP(fin, limits->fpfd_max), 1); in axi_clkgen_calc_params()
152 d_max = min(fin / limits->fpfd_min, 80); in axi_clkgen_calc_params()
155 fvco_min_fract = limits->fvco_min << fract_shift; in axi_clkgen_calc_params()
156 fvco_max_fract = limits->fvco_max << fract_shift; in axi_clkgen_calc_params()
350 const struct axi_clkgen_limits *limits = &axi_clkgen->limits; in axi_clkgen_set_rate() local
358 axi_clkgen_calc_params(limits, parent_rate, rate, &d, &m, &dout); in axi_clkgen_set_rate()
399 const struct axi_clkgen_limits *limits = &axi_clkgen->limits; in axi_clkgen_determine_rate() local
403 axi_clkgen_calc_params(limits, req->best_parent_rate, req->rate, in axi_clkgen_determine_rate()
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/linux/drivers/md/
H A Ddm-table.c234 struct queue_limits *limits = data; in device_area_is_invalid() local
238 limits->logical_block_size >> SECTOR_SHIFT; in device_area_is_invalid()
292 limits->logical_block_size, bdev); in device_area_is_invalid()
300 limits->logical_block_size, bdev); in device_area_is_invalid()
423 struct queue_limits *limits = data; in dm_set_device_limits() local
438 limits->features |= (q->limits.features & BLK_FEAT_ATOMIC_WRITES); in dm_set_device_limits()
440 if (blk_stack_limits(limits, &q->limits, in dm_set_device_limits()
446 q->limits.physical_block_size, in dm_set_device_limits()
447 q->limits.logical_block_size, in dm_set_device_limits()
448 q->limits.alignment_offset, in dm_set_device_limits()
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/linux/drivers/macintosh/
H A Dtherm_adt746x.c80 u8 limits[3]; member
219 th->limits[0], th->limits[1], th->limits[2], in display_stats()
237 int var = th->temps[i] - th->limits[i]; in update_fans_speed()
314 th->limits[i] = default_limits_chip[i] + limit_adjust; in set_limit()
315 write_reg(th, LIMIT_REG[i], th->limits[i]); in set_limit()
318 th->limits[i] = default_limits_local[i] + limit_adjust; in set_limit()
378 BUILD_SHOW_FUNC_INT(sensor1_limit, th->limits[1])
379 BUILD_SHOW_FUNC_INT(sensor2_limit, th->limits[2])
535 th->initial_limits[2], th->limits[0], th->limits[1], in probe_thermostat()
536 th->limits[2]); in probe_thermostat()
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/linux/drivers/clk/sophgo/
H A Dclk-sg2044-pll.c73 const struct sg2044_pll_limit *limits; member
165 static int sg2042_pll_compute_postdiv(const struct sg2044_pll_limit *limits, in sg2042_pll_compute_postdiv() argument
177 for_each_pll_limit_range(div2, &limits[PLL_LIMIT_POSTDIV2]) { in sg2042_pll_compute_postdiv()
178 for_each_pll_limit_range(div1, &limits[PLL_LIMIT_POSTDIV1]) { in sg2042_pll_compute_postdiv()
207 static int sg2044_compute_pll_setting(const struct sg2044_pll_limit *limits, in sg2044_compute_pll_setting() argument
217 for_each_pll_limit_range(fbdiv, &limits[PLL_LIMIT_FBDIV]) { in sg2044_compute_pll_setting()
218 for_each_pll_limit_range(refdiv, &limits[PLL_LIMIT_REFDIV]) { in sg2044_compute_pll_setting()
221 if (!sg2044_clk_fit_limit(vco, &limits[PLL_LIMIT_FOUTVCO])) in sg2044_compute_pll_setting()
224 ret = sg2042_pll_compute_postdiv(limits, in sg2044_compute_pll_setting()
268 target = clamp(req->rate, pll->pll.limits[PLL_LIMIT_FOUT].min, in sg2044_pll_determine_rate()
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/linux/include/linux/
H A Dt10-pi.h45 rq->q->limits.integrity.interval_exp) in t10_pi_ref_tag()
46 shift = rq->q->limits.integrity.interval_exp; in t10_pi_ref_tag()
70 rq->q->limits.integrity.interval_exp) in ext_pi_ref_tag()
71 shift = rq->q->limits.integrity.interval_exp; in ext_pi_ref_tag()
/linux/Documentation/admin-guide/sysctl/
H A Duser.rst15 limits on the number of namespaces and other objects that have
16 per user per user namespace limits.
18 The primary purpose of these limits is to stop programs that
21 intention that the defaults of these limits are set high enough that
22 no program in normal operation should run into these limits.
31 limits in the user namespaces of those users.
34 user namespace does not allow a user to escape their current limits.
/linux/Documentation/hwmon/
H A Dlm77.rst27 The LM77 implements 3 limits: low (temp1_min), high (temp1_max) and
29 applies to all 3 limits. The relative difference is stored in a single
31 the limit and its hysteresis is always the same for all 3 limits.
44 hysteresis applies automatically to the low and high limits.
45 * The limits should be set before the hysteresis.
H A Demc1403.rst72 The chips implement three limits for each sensor: low (tempX_min), high
74 hysteresis mechanism which applies to all limits. The relative difference
77 all three limits.
90 hysteresis applies automatically to all other limits.
91 * The limits should be set before the hysteresis.
H A Dstpddc60.rst37 The vout under- and over-voltage limits are set in relation to the commanded
39 in 50mV steps. This means that the absolute values of the limits will change
41 writing to those limits since in the worst case the commanded output voltage
55 The following attributes are supported. Vin, iout, pout and temp limits
/linux/include/linux/clk/
H A Drenesas.h157 bool rzv2h_get_pll_pars(const struct rzv2h_pll_limits *limits,
160 bool rzv2h_get_pll_divs_pars(const struct rzv2h_pll_limits *limits,
164 static inline bool rzv2h_get_pll_pars(const struct rzv2h_pll_limits *limits, in rzv2h_get_pll_pars() argument
171 static inline bool rzv2h_get_pll_divs_pars(const struct rzv2h_pll_limits *limits, in rzv2h_get_pll_divs_pars() argument
/linux/drivers/regulator/
H A Dmax14577-regulator.c41 const struct maxim_charger_current *limits = in max14577_reg_get_current_limit() local
53 return limits->min; in max14577_reg_get_current_limit()
57 return limits->high_start + reg_data * limits->high_step; in max14577_reg_get_current_limit()
66 const struct maxim_charger_current *limits = in max14577_reg_set_current_limit() local
72 ret = maxim_charger_calc_reg_current(limits, min_uA, max_uA, &reg_data); in max14577_reg_set_current_limit()
/linux/drivers/platform/x86/
H A Dintel_ips.c321 struct ips_mcp_limits *limits; member
636 if (avg > (ips->limits->core_temp_limit * 100)) in cpu_exceeded()
662 if (ips->mch_avg_temp > (ips->limits->mch_temp_limit * 100)) in mch_exceeded()
681 if (ips->mcp_power_limit < ips->limits->mcp_power_limit || in verify_limits()
683 ips->mcp_power_limit = ips->limits->mcp_power_limit; in verify_limits()
685 if (ips->mcp_temp_limit < ips->limits->core_temp_limit || in verify_limits()
686 ips->mcp_temp_limit < ips->limits->mch_temp_limit || in verify_limits()
688 ips->mcp_temp_limit = min(ips->limits->core_temp_limit, in verify_limits()
689 ips->limits->mch_temp_limit); in verify_limits()
1285 struct ips_mcp_limits *limits = NULL; in ips_detect_cpu() local
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H A Dasus-armoury.c842 static bool has_valid_limit(const char *name, const struct power_limits *limits) in has_valid_limit() argument
846 if (!limits) in has_valid_limit()
850 limit_value = limits->ppt_pl1_spl_max; in has_valid_limit()
852 limit_value = limits->ppt_pl2_sppt_max; in has_valid_limit()
854 limit_value = limits->ppt_pl3_fppt_max; in has_valid_limit()
856 limit_value = limits->ppt_apu_sppt_max; in has_valid_limit()
858 limit_value = limits->ppt_platform_sppt_max; in has_valid_limit()
860 limit_value = limits->nv_dynamic_boost_max; in has_valid_limit()
862 limit_value = limits->nv_temp_target_max; in has_valid_limit()
865 limit_value = limits->nv_tgp_max; in has_valid_limit()
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/linux/Documentation/admin-guide/cgroup-v1/
H A Drdma.rst47 But nothing limits to have it more. At present hundreds of RDMA devices per
70 (b) No resource limits were configured, but IB/RDMA stack tries to
72 running without limits and later on when limits are enforced during uncharging,
75 Resource pool is destroyed if all the resource limits are set to max and
81 IB stack honors limits enforced by the rdma controller. When application
82 query about maximum resource limits of IB device, it returns minimum of
/linux/drivers/net/ethernet/mellanox/mlx5/core/en_accel/
H A Dipsec_offload.c403 if (!sa_entry->limits.soft_limit_hit && in mlx5e_ipsec_handle_limits()
404 sa_entry->limits.round == attrs->lft.numb_rounds_soft) { in mlx5e_ipsec_handle_limits()
405 sa_entry->limits.soft_limit_hit = true; in mlx5e_ipsec_handle_limits()
409 if (sa_entry->limits.round == attrs->lft.numb_rounds_hard) in mlx5e_ipsec_handle_limits()
426 sa_entry->limits.fix_limit = true; in mlx5e_ipsec_handle_limits()
430 sa_entry->limits.fix_limit = true; in mlx5e_ipsec_handle_limits()
434 if (sa_entry->limits.round == attrs->lft.numb_rounds_hard) { in mlx5e_ipsec_handle_limits()
441 sa_entry->limits.round++; in mlx5e_ipsec_handle_limits()
442 if (sa_entry->limits.round == attrs->lft.numb_rounds_soft) in mlx5e_ipsec_handle_limits()
445 if (sa_entry->limits.fix_limit) { in mlx5e_ipsec_handle_limits()
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/linux/drivers/mfd/
H A Dmax14577.c62 int maxim_charger_calc_reg_current(const struct maxim_charger_current *limits, in maxim_charger_calc_reg_current() argument
70 if (min_ua > limits->max || max_ua < limits->min) in maxim_charger_calc_reg_current()
73 if (max_ua < limits->high_start) { in maxim_charger_calc_reg_current()
83 max_ua = min(limits->max, max_ua); in maxim_charger_calc_reg_current()
84 max_ua -= limits->high_start; in maxim_charger_calc_reg_current()
90 current_bits = max_ua / limits->high_step; in maxim_charger_calc_reg_current()

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