Lines Matching full:vpe
260 static int vpe_to_cpuid_lock(struct its_vpe *vpe, unsigned long *flags) in vpe_to_cpuid_lock() argument
262 raw_spin_lock_irqsave(&vpe->vpe_lock, *flags); in vpe_to_cpuid_lock()
263 return vpe->col_idx; in vpe_to_cpuid_lock()
266 static void vpe_to_cpuid_unlock(struct its_vpe *vpe, unsigned long flags) in vpe_to_cpuid_unlock() argument
268 raw_spin_unlock_irqrestore(&vpe->vpe_lock, flags); in vpe_to_cpuid_unlock()
277 cpu = vpe_to_cpuid_lock(map->vpe, flags); in irq_to_cpuid_lock()
294 vpe_to_cpuid_unlock(map->vpe, flags); in irq_to_cpuid_unlock()
305 static struct its_vpe *valid_vpe(struct its_node *its, struct its_vpe *vpe) in valid_vpe() argument
307 if (valid_col(its->collections + vpe->col_idx)) in valid_vpe()
308 return vpe; in valid_vpe()
366 struct its_vpe *vpe; member
370 struct its_vpe *vpe; member
376 struct its_vpe *vpe; member
384 struct its_vpe *vpe; member
391 struct its_vpe *vpe; member
398 struct its_vpe *vpe; member
402 struct its_vpe *vpe; member
754 its_encode_vpeid(cmd, desc->its_vinvall_cmd.vpe->vpe_id); in its_build_vinvall_cmd()
758 return valid_vpe(its, desc->its_vinvall_cmd.vpe); in its_build_vinvall_cmd()
770 its_encode_vpeid(cmd, desc->its_vmapp_cmd.vpe->vpe_id); in its_build_vmapp_cmd()
775 alloc = !atomic_dec_return(&desc->its_vmapp_cmd.vpe->vmapp_count); in its_build_vmapp_cmd()
782 vpt_addr = virt_to_phys(page_address(desc->its_vmapp_cmd.vpe->vpt_page)); in its_build_vmapp_cmd()
792 vconf_addr = virt_to_phys(page_address(desc->its_vmapp_cmd.vpe->its_vm->vprop_page)); in its_build_vmapp_cmd()
794 alloc = !atomic_fetch_inc(&desc->its_vmapp_cmd.vpe->vmapp_count); in its_build_vmapp_cmd()
801 its_encode_vmapp_default_db(cmd, desc->its_vmapp_cmd.vpe->vpe_db_lpi); in its_build_vmapp_cmd()
806 return valid_vpe(its, desc->its_vmapp_cmd.vpe); in its_build_vmapp_cmd()
816 db = desc->its_vmapti_cmd.vpe->vpe_db_lpi; in its_build_vmapti_cmd()
822 its_encode_vpeid(cmd, desc->its_vmapti_cmd.vpe->vpe_id); in its_build_vmapti_cmd()
829 return valid_vpe(its, desc->its_vmapti_cmd.vpe); in its_build_vmapti_cmd()
839 db = desc->its_vmovi_cmd.vpe->vpe_db_lpi; in its_build_vmovi_cmd()
845 its_encode_vpeid(cmd, desc->its_vmovi_cmd.vpe->vpe_id); in its_build_vmovi_cmd()
852 return valid_vpe(its, desc->its_vmovi_cmd.vpe); in its_build_vmovi_cmd()
865 its_encode_vpeid(cmd, desc->its_vmovp_cmd.vpe->vpe_id); in its_build_vmovp_cmd()
870 its_encode_vmovp_default_db(cmd, desc->its_vmovp_cmd.vpe->vpe_db_lpi); in its_build_vmovp_cmd()
875 return valid_vpe(its, desc->its_vmovp_cmd.vpe); in its_build_vmovp_cmd()
893 return valid_vpe(its, map->vpe); in its_build_vinv_cmd()
911 return valid_vpe(its, map->vpe); in its_build_vint_cmd()
929 return valid_vpe(its, map->vpe); in its_build_vclear_cmd()
940 its_encode_vpeid(cmd, desc->its_invdb_cmd.vpe->vpe_id); in its_build_invdb_cmd()
944 return valid_vpe(its, desc->its_invdb_cmd.vpe); in its_build_invdb_cmd()
955 its_encode_vpeid(cmd, desc->its_vsgi_cmd.vpe->vpe_id); in its_build_vsgi_cmd()
964 return valid_vpe(its, desc->its_vsgi_cmd.vpe); in its_build_vsgi_cmd()
1247 desc.its_vmapti_cmd.vpe = map->vpe; in its_send_vmapti()
1261 desc.its_vmovi_cmd.vpe = map->vpe; in its_send_vmovi()
1270 struct its_vpe *vpe, bool valid) in its_send_vmapp() argument
1274 desc.its_vmapp_cmd.vpe = vpe; in its_send_vmapp()
1276 desc.its_vmapp_cmd.col = &its->collections[vpe->col_idx]; in its_send_vmapp()
1281 static void its_send_vmovp(struct its_vpe *vpe) in its_send_vmovp() argument
1286 int col_id = vpe->col_idx; in its_send_vmovp()
1288 desc.its_vmovp_cmd.vpe = vpe; in its_send_vmovp()
1308 desc.its_vmovp_cmd.its_list = get_its_list(vpe->its_vm); in its_send_vmovp()
1315 if (!require_its_list_vmovp(vpe->its_vm, its)) in its_send_vmovp()
1325 static void its_send_vinvall(struct its_node *its, struct its_vpe *vpe) in its_send_vinvall() argument
1329 desc.its_vinvall_cmd.vpe = vpe; in its_send_vinvall()
1375 static void its_send_invdb(struct its_node *its, struct its_vpe *vpe) in its_send_invdb() argument
1379 desc.its_invdb_cmd.vpe = vpe; in its_send_invdb()
1440 val |= FIELD_PREP(GICR_INVLPIR_VPEID, map->vpe->vpe_id); in direct_lpi_inv()
1498 * to the /same/ vPE, using this opportunity to adjust the in its_vlpi_set_doorbell()
1767 struct its_vpe *vpe = vm->vpes[i]; in its_map_vm() local
1768 struct irq_data *d = irq_get_irq_data(vpe->irq); in its_map_vm()
1770 /* Map the VPE to the first possible CPU */ in its_map_vm()
1771 vpe->col_idx = cpumask_first(cpu_online_mask); in its_map_vm()
1772 its_send_vmapp(its, vpe, true); in its_map_vm()
1773 its_send_vinvall(its, vpe); in its_map_vm()
1774 irq_data_update_effective_affinity(d, cpumask_of(vpe->col_idx)); in its_map_vm()
2510 /* GICv4.1 guarantees that the vPE table is GITS_BASER2 */ in find_sibling_its()
2667 /* GICv4.1 guarantees that the vPE table is GITS_BASER2 */ in inherit_vpe_l1_table_from_its()
2821 * VPE by setting PendingLast while clearing Valid. This has the in allocate_vpe_l1_table()
3166 * sheduled as a vPE, especially for the first CPU, and the in its_cpu_init_lpis()
3354 * that have interrupts targeted at this VPE, but the in its_alloc_vpe_table()
3532 WARN_ONCE(1, "DevId %x clashes with GICv4 VPE proxy device\n", in its_msi_prepare()
3727 static void its_vpe_db_proxy_unmap_locked(struct its_vpe *vpe) in its_vpe_db_proxy_unmap_locked() argument
3734 if (vpe->vpe_proxy_event == -1) in its_vpe_db_proxy_unmap_locked()
3737 its_send_discard(vpe_proxy.dev, vpe->vpe_proxy_event); in its_vpe_db_proxy_unmap_locked()
3738 vpe_proxy.vpes[vpe->vpe_proxy_event] = NULL; in its_vpe_db_proxy_unmap_locked()
3748 vpe_proxy.next_victim = vpe->vpe_proxy_event; in its_vpe_db_proxy_unmap_locked()
3750 vpe->vpe_proxy_event = -1; in its_vpe_db_proxy_unmap_locked()
3753 static void its_vpe_db_proxy_unmap(struct its_vpe *vpe) in its_vpe_db_proxy_unmap() argument
3763 its_vpe_db_proxy_unmap_locked(vpe); in its_vpe_db_proxy_unmap()
3768 static void its_vpe_db_proxy_map_locked(struct its_vpe *vpe) in its_vpe_db_proxy_map_locked() argument
3775 if (vpe->vpe_proxy_event != -1) in its_vpe_db_proxy_map_locked()
3778 /* This slot was already allocated. Kick the other VPE out. */ in its_vpe_db_proxy_map_locked()
3782 /* Map the new VPE instead */ in its_vpe_db_proxy_map_locked()
3783 vpe_proxy.vpes[vpe_proxy.next_victim] = vpe; in its_vpe_db_proxy_map_locked()
3784 vpe->vpe_proxy_event = vpe_proxy.next_victim; in its_vpe_db_proxy_map_locked()
3787 vpe_proxy.dev->event_map.col_map[vpe->vpe_proxy_event] = vpe->col_idx; in its_vpe_db_proxy_map_locked()
3788 its_send_mapti(vpe_proxy.dev, vpe->vpe_db_lpi, vpe->vpe_proxy_event); in its_vpe_db_proxy_map_locked()
3791 static void its_vpe_db_proxy_move(struct its_vpe *vpe, int from, int to) in its_vpe_db_proxy_move() argument
3804 gic_write_lpir(vpe->vpe_db_lpi, rdbase + GICR_CLRLPIR); in its_vpe_db_proxy_move()
3812 its_vpe_db_proxy_map_locked(vpe); in its_vpe_db_proxy_move()
3815 its_send_movi(vpe_proxy.dev, target_col, vpe->vpe_proxy_event); in its_vpe_db_proxy_move()
3816 vpe_proxy.dev->event_map.col_map[vpe->vpe_proxy_event] = to; in its_vpe_db_proxy_move()
3825 struct its_vpe *vpe = irq_data_get_irq_chip_data(d); in its_vpe_set_affinity() local
3835 * Another thing is that changing the affinity of a vPE affects in its_vpe_set_affinity()
3837 * this vPE. This means that the irq_desc lock is not enough to in its_vpe_set_affinity()
3838 * protect us, and that we must ensure nobody samples vpe->col_idx in its_vpe_set_affinity()
3840 * taken on any vLPI handling path that evaluates vpe->col_idx. in its_vpe_set_affinity()
3842 from = vpe_to_cpuid_lock(vpe, &flags); in its_vpe_set_affinity()
3846 vpe->col_idx = cpu; in its_vpe_set_affinity()
3850 * is sharing its VPE table with the current one. in its_vpe_set_affinity()
3856 its_send_vmovp(vpe); in its_vpe_set_affinity()
3857 its_vpe_db_proxy_move(vpe, from, cpu); in its_vpe_set_affinity()
3861 vpe_to_cpuid_unlock(vpe, flags); in its_vpe_set_affinity()
3880 static void its_vpe_schedule(struct its_vpe *vpe) in its_vpe_schedule() argument
3885 /* Schedule the VPE */ in its_vpe_schedule()
3886 val = virt_to_phys(page_address(vpe->its_vm->vprop_page)) & in its_vpe_schedule()
3893 val = virt_to_phys(page_address(vpe->vpt_page)) & in its_vpe_schedule()
3900 * easily. So in the end, vpe->pending_last is only an in its_vpe_schedule()
3907 val |= vpe->idai ? GICR_VPENDBASER_IDAI : 0; in its_vpe_schedule()
3912 static void its_vpe_deschedule(struct its_vpe *vpe) in its_vpe_deschedule() argument
3919 vpe->idai = !!(val & GICR_VPENDBASER_IDAI); in its_vpe_deschedule()
3920 vpe->pending_last = !!(val & GICR_VPENDBASER_PendingLast); in its_vpe_deschedule()
3923 static void its_vpe_invall(struct its_vpe *vpe) in its_vpe_invall() argument
3931 if (its_list_map && !vpe->its_vm->vlpi_count[its->list_nr]) in its_vpe_invall()
3938 its_send_vinvall(its, vpe); in its_vpe_invall()
3945 struct its_vpe *vpe = irq_data_get_irq_chip_data(d); in its_vpe_set_vcpu_affinity() local
3950 its_vpe_schedule(vpe); in its_vpe_set_vcpu_affinity()
3954 its_vpe_deschedule(vpe); in its_vpe_set_vcpu_affinity()
3962 its_vpe_invall(vpe); in its_vpe_set_vcpu_affinity()
3970 static void its_vpe_send_cmd(struct its_vpe *vpe, in its_vpe_send_cmd() argument
3977 its_vpe_db_proxy_map_locked(vpe); in its_vpe_send_cmd()
3978 cmd(vpe_proxy.dev, vpe->vpe_proxy_event); in its_vpe_send_cmd()
3985 struct its_vpe *vpe = irq_data_get_irq_chip_data(d); in its_vpe_send_inv() local
3990 /* Target the redistributor this VPE is currently known on */ in its_vpe_send_inv()
3991 raw_spin_lock(&gic_data_rdist_cpu(vpe->col_idx)->rd_lock); in its_vpe_send_inv()
3992 rdbase = per_cpu_ptr(gic_rdists->rdist, vpe->col_idx)->rd_base; in its_vpe_send_inv()
3995 raw_spin_unlock(&gic_data_rdist_cpu(vpe->col_idx)->rd_lock); in its_vpe_send_inv()
3997 its_vpe_send_cmd(vpe, its_send_inv); in its_vpe_send_inv()
4024 struct its_vpe *vpe = irq_data_get_irq_chip_data(d); in its_vpe_set_irqchip_state() local
4032 rdbase = per_cpu_ptr(gic_rdists->rdist, vpe->col_idx)->rd_base; in its_vpe_set_irqchip_state()
4034 gic_write_lpir(vpe->vpe_db_lpi, rdbase + GICR_SETLPIR); in its_vpe_set_irqchip_state()
4036 gic_write_lpir(vpe->vpe_db_lpi, rdbase + GICR_CLRLPIR); in its_vpe_set_irqchip_state()
4041 its_vpe_send_cmd(vpe, its_send_int); in its_vpe_set_irqchip_state()
4043 its_vpe_send_cmd(vpe, its_send_clear); in its_vpe_set_irqchip_state()
4055 .name = "GICv4-vpe",
4084 struct its_vpe *vpe = irq_data_get_irq_chip_data(d); in its_vpe_4_1_send_inv() local
4094 its_send_invdb(its, vpe); in its_vpe_4_1_send_inv()
4109 static void its_vpe_4_1_schedule(struct its_vpe *vpe, in its_vpe_4_1_schedule() argument
4115 /* Schedule the VPE */ in its_vpe_4_1_schedule()
4119 val |= FIELD_PREP(GICR_VPENDBASER_4_1_VPEID, vpe->vpe_id); in its_vpe_4_1_schedule()
4124 static void its_vpe_4_1_deschedule(struct its_vpe *vpe, in its_vpe_4_1_deschedule() argument
4134 * vPE is going to block: make the vPE non-resident with in its_vpe_4_1_deschedule()
4143 raw_spin_lock_irqsave(&vpe->vpe_lock, flags); in its_vpe_4_1_deschedule()
4147 vpe->pending_last = !!(val & GICR_VPENDBASER_PendingLast); in its_vpe_4_1_deschedule()
4148 raw_spin_unlock_irqrestore(&vpe->vpe_lock, flags); in its_vpe_4_1_deschedule()
4151 * We're not blocking, so just make the vPE non-resident in its_vpe_4_1_deschedule()
4157 vpe->pending_last = true; in its_vpe_4_1_deschedule()
4161 static void its_vpe_4_1_invall(struct its_vpe *vpe) in its_vpe_4_1_invall() argument
4169 val |= FIELD_PREP(GICR_INVALLR_VPEID, vpe->vpe_id); in its_vpe_4_1_invall()
4171 /* Target the redistributor this vPE is currently known on */ in its_vpe_4_1_invall()
4172 cpu = vpe_to_cpuid_lock(vpe, &flags); in its_vpe_4_1_invall()
4179 vpe_to_cpuid_unlock(vpe, flags); in its_vpe_4_1_invall()
4184 struct its_vpe *vpe = irq_data_get_irq_chip_data(d); in its_vpe_4_1_set_vcpu_affinity() local
4189 its_vpe_4_1_schedule(vpe, info); in its_vpe_4_1_set_vcpu_affinity()
4193 its_vpe_4_1_deschedule(vpe, info); in its_vpe_4_1_set_vcpu_affinity()
4201 its_vpe_4_1_invall(vpe); in its_vpe_4_1_set_vcpu_affinity()
4210 .name = "GICv4.1-vpe",
4220 struct its_vpe *vpe = irq_data_get_irq_chip_data(d); in its_configure_sgi() local
4223 desc.its_vsgi_cmd.vpe = vpe; in its_configure_sgi()
4225 desc.its_vsgi_cmd.priority = vpe->sgi_config[d->hwirq].priority; in its_configure_sgi()
4226 desc.its_vsgi_cmd.enable = vpe->sgi_config[d->hwirq].enabled; in its_configure_sgi()
4227 desc.its_vsgi_cmd.group = vpe->sgi_config[d->hwirq].group; in its_configure_sgi()
4232 * destination VPE is mapped there. Since we map them eagerly at in its_configure_sgi()
4240 struct its_vpe *vpe = irq_data_get_irq_chip_data(d); in its_sgi_mask_irq() local
4242 vpe->sgi_config[d->hwirq].enabled = false; in its_sgi_mask_irq()
4248 struct its_vpe *vpe = irq_data_get_irq_chip_data(d); in its_sgi_unmask_irq() local
4250 vpe->sgi_config[d->hwirq].enabled = true; in its_sgi_unmask_irq()
4260 * not on the host (since they can only be targetting a vPE). in its_sgi_set_affinity()
4275 struct its_vpe *vpe = irq_data_get_irq_chip_data(d); in its_sgi_set_irqchip_state() local
4279 val = FIELD_PREP(GITS_SGIR_VPEID, vpe->vpe_id); in its_sgi_set_irqchip_state()
4292 struct its_vpe *vpe = irq_data_get_irq_chip_data(d); in its_sgi_get_irqchip_state() local
4305 * - Concurent vPE affinity change: we must make sure it cannot in its_sgi_get_irqchip_state()
4312 cpu = vpe_to_cpuid_lock(vpe, &flags); in its_sgi_get_irqchip_state()
4315 writel_relaxed(vpe->vpe_id, base + GICR_VSGIR); in its_sgi_get_irqchip_state()
4332 vpe_to_cpuid_unlock(vpe, flags); in its_sgi_get_irqchip_state()
4344 struct its_vpe *vpe = irq_data_get_irq_chip_data(d); in its_sgi_set_vcpu_affinity() local
4349 vpe->sgi_config[d->hwirq].priority = info->priority; in its_sgi_set_vcpu_affinity()
4350 vpe->sgi_config[d->hwirq].group = info->group; in its_sgi_set_vcpu_affinity()
4373 struct its_vpe *vpe = args; in its_sgi_irq_domain_alloc() local
4380 vpe->sgi_config[i].priority = 0; in its_sgi_irq_domain_alloc()
4381 vpe->sgi_config[i].enabled = false; in its_sgi_irq_domain_alloc()
4382 vpe->sgi_config[i].group = false; in its_sgi_irq_domain_alloc()
4385 &its_sgi_irq_chip, vpe); in its_sgi_irq_domain_alloc()
4410 struct its_vpe *vpe = irq_data_get_irq_chip_data(d); in its_sgi_irq_domain_deactivate() local
4422 vpe->sgi_config[d->hwirq].enabled = false; in its_sgi_irq_domain_deactivate()
4444 static int its_vpe_init(struct its_vpe *vpe) in its_vpe_init() argument
4467 raw_spin_lock_init(&vpe->vpe_lock); in its_vpe_init()
4468 vpe->vpe_id = vpe_id; in its_vpe_init()
4469 vpe->vpt_page = vpt_page; in its_vpe_init()
4471 atomic_set(&vpe->vmapp_count, 0); in its_vpe_init()
4473 vpe->vpe_proxy_event = -1; in its_vpe_init()
4478 static void its_vpe_teardown(struct its_vpe *vpe) in its_vpe_teardown() argument
4480 its_vpe_db_proxy_unmap(vpe); in its_vpe_teardown()
4481 its_vpe_id_free(vpe->vpe_id); in its_vpe_teardown()
4482 its_free_pending_table(vpe->vpt_page); in its_vpe_teardown()
4497 struct its_vpe *vpe = irq_data_get_irq_chip_data(data); in its_vpe_irq_domain_free() local
4499 BUG_ON(vm != vpe->its_vm); in its_vpe_irq_domain_free()
4502 its_vpe_teardown(vpe); in its_vpe_irq_domain_free()
4574 struct its_vpe *vpe = irq_data_get_irq_chip_data(d); in its_vpe_irq_domain_activate() local
4579 * we're on a GICv4.1 and we eagerly map the VPE on all ITSs in its_vpe_irq_domain_activate()
4585 /* Map the VPE to the first possible CPU */ in its_vpe_irq_domain_activate()
4586 vpe->col_idx = cpumask_first(cpu_online_mask); in its_vpe_irq_domain_activate()
4592 its_send_vmapp(its, vpe, true); in its_vpe_irq_domain_activate()
4593 its_send_vinvall(its, vpe); in its_vpe_irq_domain_activate()
4596 irq_data_update_effective_affinity(d, cpumask_of(vpe->col_idx)); in its_vpe_irq_domain_activate()
4604 struct its_vpe *vpe = irq_data_get_irq_chip_data(d); in its_vpe_irq_domain_deactivate() local
4608 * If we use the list map on GICv4.0, we unmap the VPE once no in its_vpe_irq_domain_deactivate()
4618 its_send_vmapp(its, vpe, false); in its_vpe_irq_domain_deactivate()
4937 pr_info("ITS: Using DirectLPI for VPE invalidation\n"); in its_init_vpe_domain()