diff options
Diffstat (limited to 'drivers/misc')
-rw-r--r-- | drivers/misc/cxl/pci.c | 4 | ||||
-rw-r--r-- | drivers/misc/ocxl/Kconfig | 2 | ||||
-rw-r--r-- | drivers/misc/ocxl/afu_irq.c | 12 | ||||
-rw-r--r-- | drivers/misc/ocxl/link.c | 15 |
4 files changed, 17 insertions, 16 deletions
diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c index 25a9dd9c0c1b..2ba899f5659f 100644 --- a/drivers/misc/cxl/pci.c +++ b/drivers/misc/cxl/pci.c @@ -393,8 +393,8 @@ int cxl_calc_capp_routing(struct pci_dev *dev, u64 *chipid, *capp_unit_id = get_capp_unit_id(np, *phb_index); of_node_put(np); if (!*capp_unit_id) { - pr_err("cxl: invalid capp unit id (phb_index: %d)\n", - *phb_index); + pr_err("cxl: No capp unit found for PHB[%lld,%d]. Make sure the adapter is on a capi-compatible slot\n", + *chipid, *phb_index); return -ENODEV; } diff --git a/drivers/misc/ocxl/Kconfig b/drivers/misc/ocxl/Kconfig index 947294f6d7f4..c9b0a27caf64 100644 --- a/drivers/misc/ocxl/Kconfig +++ b/drivers/misc/ocxl/Kconfig @@ -9,7 +9,7 @@ config OCXL_BASE config OCXL tristate "OpenCAPI coherent accelerator support" - depends on PPC_POWERNV && PCI && EEH && HOTPLUG_PCI_POWERNV + depends on HOTPLUG_PCI_POWERNV select OCXL_BASE default m help diff --git a/drivers/misc/ocxl/afu_irq.c b/drivers/misc/ocxl/afu_irq.c index 70f8f1c3929d..ecdcfae025b7 100644 --- a/drivers/misc/ocxl/afu_irq.c +++ b/drivers/misc/ocxl/afu_irq.c @@ -2,6 +2,7 @@ // Copyright 2017 IBM Corp. #include <linux/interrupt.h> #include <asm/pnv-ocxl.h> +#include <asm/xive.h> #include "ocxl_internal.h" #include "trace.h" @@ -10,7 +11,6 @@ struct afu_irq { int hw_irq; unsigned int virq; char *name; - u64 trigger_page; irqreturn_t (*handler)(void *private); void (*free_private)(void *private); void *private; @@ -124,8 +124,7 @@ int ocxl_afu_irq_alloc(struct ocxl_context *ctx, int *irq_id) goto err_unlock; } - rc = ocxl_link_irq_alloc(ctx->afu->fn->link, &irq->hw_irq, - &irq->trigger_page); + rc = ocxl_link_irq_alloc(ctx->afu->fn->link, &irq->hw_irq); if (rc) goto err_idr; @@ -196,13 +195,16 @@ void ocxl_afu_irq_free_all(struct ocxl_context *ctx) u64 ocxl_afu_irq_get_addr(struct ocxl_context *ctx, int irq_id) { + struct xive_irq_data *xd; struct afu_irq *irq; u64 addr = 0; mutex_lock(&ctx->irq_lock); irq = idr_find(&ctx->irq_idr, irq_id); - if (irq) - addr = irq->trigger_page; + if (irq) { + xd = irq_get_handler_data(irq->virq); + addr = xd ? xd->trig_page : 0; + } mutex_unlock(&ctx->irq_lock); return addr; } diff --git a/drivers/misc/ocxl/link.c b/drivers/misc/ocxl/link.c index 58d111afd9f6..fd73d3bc0eb6 100644 --- a/drivers/misc/ocxl/link.c +++ b/drivers/misc/ocxl/link.c @@ -6,6 +6,7 @@ #include <linux/mmu_context.h> #include <asm/copro.h> #include <asm/pnv-ocxl.h> +#include <asm/xive.h> #include <misc/ocxl.h> #include "ocxl_internal.h" #include "trace.h" @@ -682,23 +683,21 @@ unlock: } EXPORT_SYMBOL_GPL(ocxl_link_remove_pe); -int ocxl_link_irq_alloc(void *link_handle, int *hw_irq, u64 *trigger_addr) +int ocxl_link_irq_alloc(void *link_handle, int *hw_irq) { struct ocxl_link *link = (struct ocxl_link *) link_handle; - int rc, irq; - u64 addr; + int irq; if (atomic_dec_if_positive(&link->irq_available) < 0) return -ENOSPC; - rc = pnv_ocxl_alloc_xive_irq(&irq, &addr); - if (rc) { + irq = xive_native_alloc_irq(); + if (!irq) { atomic_inc(&link->irq_available); - return rc; + return -ENXIO; } *hw_irq = irq; - *trigger_addr = addr; return 0; } EXPORT_SYMBOL_GPL(ocxl_link_irq_alloc); @@ -707,7 +706,7 @@ void ocxl_link_free_irq(void *link_handle, int hw_irq) { struct ocxl_link *link = (struct ocxl_link *) link_handle; - pnv_ocxl_free_xive_irq(hw_irq); + xive_native_free_irq(hw_irq); atomic_inc(&link->irq_available); } EXPORT_SYMBOL_GPL(ocxl_link_free_irq); |