diff options
Diffstat (limited to 'arch/powerpc/sysdev/xive')
-rw-r--r-- | arch/powerpc/sysdev/xive/common.c | 13 | ||||
-rw-r--r-- | arch/powerpc/sysdev/xive/native.c | 6 | ||||
-rw-r--r-- | arch/powerpc/sysdev/xive/spapr.c | 7 |
3 files changed, 21 insertions, 5 deletions
diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c index b294f70f1a67..f591be9f01f4 100644 --- a/arch/powerpc/sysdev/xive/common.c +++ b/arch/powerpc/sysdev/xive/common.c @@ -19,6 +19,7 @@ #include <linux/slab.h> #include <linux/spinlock.h> #include <linux/msi.h> +#include <linux/vmalloc.h> #include <asm/debugfs.h> #include <asm/prom.h> @@ -196,6 +197,9 @@ static notrace u8 xive_esb_read(struct xive_irq_data *xd, u32 offset) { u64 val; + if (offset == XIVE_ESB_SET_PQ_10 && xd->flags & XIVE_IRQ_FLAG_STORE_EOI) + offset |= XIVE_ESB_LD_ST_MO; + /* Handle HW errata */ if (xd->flags & XIVE_IRQ_FLAG_SHIFT_BUG) offset |= offset << 4; @@ -1017,12 +1021,16 @@ EXPORT_SYMBOL_GPL(is_xive_irq); void xive_cleanup_irq_data(struct xive_irq_data *xd) { if (xd->eoi_mmio) { + unmap_kernel_range((unsigned long)xd->eoi_mmio, + 1u << xd->esb_shift); iounmap(xd->eoi_mmio); if (xd->eoi_mmio == xd->trig_mmio) xd->trig_mmio = NULL; xd->eoi_mmio = NULL; } if (xd->trig_mmio) { + unmap_kernel_range((unsigned long)xd->trig_mmio, + 1u << xd->esb_shift); iounmap(xd->trig_mmio); xd->trig_mmio = NULL; } @@ -1656,7 +1664,8 @@ DEFINE_SHOW_ATTRIBUTE(xive_core_debug); int xive_core_debug_init(void) { - debugfs_create_file("xive", 0400, powerpc_debugfs_root, - NULL, &xive_core_debug_fops); + if (xive_enabled()) + debugfs_create_file("xive", 0400, powerpc_debugfs_root, + NULL, &xive_core_debug_fops); return 0; } diff --git a/arch/powerpc/sysdev/xive/native.c b/arch/powerpc/sysdev/xive/native.c index 5218fdc4b29a..71b881e554fc 100644 --- a/arch/powerpc/sysdev/xive/native.c +++ b/arch/powerpc/sysdev/xive/native.c @@ -280,12 +280,12 @@ static int xive_native_get_ipi(unsigned int cpu, struct xive_cpu *xc) } #endif /* CONFIG_SMP */ -u32 xive_native_alloc_irq(void) +u32 xive_native_alloc_irq_on_chip(u32 chip_id) { s64 rc; for (;;) { - rc = opal_xive_allocate_irq(OPAL_XIVE_ANY_CHIP); + rc = opal_xive_allocate_irq(chip_id); if (rc != OPAL_BUSY) break; msleep(OPAL_BUSY_DELAY_MS); @@ -294,7 +294,7 @@ u32 xive_native_alloc_irq(void) return 0; return rc; } -EXPORT_SYMBOL_GPL(xive_native_alloc_irq); +EXPORT_SYMBOL_GPL(xive_native_alloc_irq_on_chip); void xive_native_free_irq(u32 irq) { diff --git a/arch/powerpc/sysdev/xive/spapr.c b/arch/powerpc/sysdev/xive/spapr.c index 7ab5c6780997..f0551a2be9df 100644 --- a/arch/powerpc/sysdev/xive/spapr.c +++ b/arch/powerpc/sysdev/xive/spapr.c @@ -27,6 +27,8 @@ #include <asm/xive.h> #include <asm/xive-regs.h> #include <asm/hvcall.h> +#include <asm/svm.h> +#include <asm/ultravisor.h> #include "xive-internal.h" @@ -502,6 +504,9 @@ static int xive_spapr_configure_queue(u32 target, struct xive_q *q, u8 prio, rc = -EIO; } else { q->qpage = qpage; + if (is_secure_guest()) + uv_share_page(PHYS_PFN(qpage_phys), + 1 << xive_alloc_order(order)); } fail: return rc; @@ -535,6 +540,8 @@ static void xive_spapr_cleanup_queue(unsigned int cpu, struct xive_cpu *xc, hw_cpu, prio); alloc_order = xive_alloc_order(xive_queue_shift); + if (is_secure_guest()) + uv_unshare_page(PHYS_PFN(__pa(q->qpage)), 1 << alloc_order); free_pages((unsigned long)q->qpage, alloc_order); q->qpage = NULL; } |