diff options
Diffstat (limited to 'drivers/irqchip')
| -rw-r--r-- | drivers/irqchip/irq-gic-v3-its.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index 6065b09d6c43..5bb3eacbbde4 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -102,6 +102,7 @@ struct its_node { struct its_collection *collections; struct fwnode_handle *fwnode_handle; u64 (*get_msi_base)(struct its_device *its_dev); + u64 typer; u64 cbaser_save; u32 ctlr_save; struct list_head its_device_list; @@ -112,10 +113,11 @@ struct its_node { int numa_node; unsigned int msi_domain_flags; u32 pre_its_base; /* for Socionext Synquacer */ - bool is_v4; int vlpi_redist_offset; }; +#define is_v4(its) (!!((its)->typer & GITS_TYPER_VLPIS)) + #define ITS_ITT_ALIGN SZ_256 /* The maximum number of VPEID bits supported by VLPI commands */ @@ -181,7 +183,7 @@ static u16 get_its_list(struct its_vm *vm) unsigned long its_list = 0; list_for_each_entry(its, &its_nodes, entry) { - if (!its->is_v4) + if (!is_v4(its)) continue; if (vm->vlpi_count[its->list_nr]) @@ -1037,7 +1039,7 @@ static void its_send_vmovp(struct its_vpe *vpe) /* Emit VMOVPs */ list_for_each_entry(its, &its_nodes, entry) { - if (!its->is_v4) + if (!is_v4(its)) continue; if (!vpe->its_vm->vlpi_count[its->list_nr]) @@ -1448,7 +1450,7 @@ static int its_irq_set_vcpu_affinity(struct irq_data *d, void *vcpu_info) struct its_cmd_info *info = vcpu_info; /* Need a v4 ITS */ - if (!its_dev->its->is_v4) + if (!is_v4(its_dev->its)) return -EINVAL; /* Unmap request? */ @@ -2412,7 +2414,7 @@ static bool its_alloc_vpe_table(u32 vpe_id) list_for_each_entry(its, &its_nodes, entry) { struct its_baser *baser; - if (!its->is_v4) + if (!is_v4(its)) continue; baser = its_get_baser(its, GITS_BASER_TYPE_VCPU); @@ -2900,7 +2902,7 @@ static void its_vpe_invall(struct its_vpe *vpe) struct its_node *its; list_for_each_entry(its, &its_nodes, entry) { - if (!its->is_v4) + if (!is_v4(its)) continue; if (its_list_map && !vpe->its_vm->vlpi_count[its->list_nr]) @@ -3168,7 +3170,7 @@ static int its_vpe_irq_domain_activate(struct irq_domain *domain, vpe->col_idx = cpumask_first(cpu_online_mask); list_for_each_entry(its, &its_nodes, entry) { - if (!its->is_v4) + if (!is_v4(its)) continue; its_send_vmapp(its, vpe, true); @@ -3194,7 +3196,7 @@ static void its_vpe_irq_domain_deactivate(struct irq_domain *domain, return; list_for_each_entry(its, &its_nodes, entry) { - if (!its->is_v4) + if (!is_v4(its)) continue; its_send_vmapp(its, vpe, false); @@ -3632,12 +3634,12 @@ static int __init its_probe_one(struct resource *res, INIT_LIST_HEAD(&its->entry); INIT_LIST_HEAD(&its->its_device_list); typer = gic_read_typer(its_base + GITS_TYPER); + its->typer = typer; its->base = its_base; its->phys_base = res->start; its->ite_size = GITS_TYPER_ITT_ENTRY_SIZE(typer); its->device_ids = GITS_TYPER_DEVBITS(typer); - its->is_v4 = !!(typer & GITS_TYPER_VLPIS); - if (its->is_v4) { + if (is_v4(its)) { if (!(typer & GITS_TYPER_VMOVP)) { err = its_compute_its_list_map(res, its_base); if (err < 0) @@ -3704,7 +3706,7 @@ static int __init its_probe_one(struct resource *res, gits_write_cwriter(0, its->base + GITS_CWRITER); ctlr = readl_relaxed(its->base + GITS_CTLR); ctlr |= GITS_CTLR_ENABLE; - if (its->is_v4) + if (is_v4(its)) ctlr |= GITS_CTLR_ImDe; writel_relaxed(ctlr, its->base + GITS_CTLR); @@ -4029,7 +4031,7 @@ int __init its_init(struct fwnode_handle *handle, struct rdists *rdists, return err; list_for_each_entry(its, &its_nodes, entry) - has_v4 |= its->is_v4; + has_v4 |= is_v4(its); if (has_v4 & rdists->has_vlpis) { if (its_init_vpe_domain() || |