diff options
| -rw-r--r-- | drivers/misc/cxl/api.c | 21 | ||||
| -rw-r--r-- | drivers/misc/cxl/cxl.h | 3 | ||||
| -rw-r--r-- | include/misc/cxl.h | 7 |
3 files changed, 31 insertions, 0 deletions
diff --git a/drivers/misc/cxl/api.c b/drivers/misc/cxl/api.c index f11dc0e5fdd6..7707055d33ab 100644 --- a/drivers/misc/cxl/api.c +++ b/drivers/misc/cxl/api.c @@ -94,6 +94,27 @@ static irq_hw_number_t cxl_find_afu_irq(struct cxl_context *ctx, int num) return 0; } + +int cxl_set_priv(struct cxl_context *ctx, void *priv) +{ + if (!ctx) + return -EINVAL; + + ctx->priv = priv; + + return 0; +} +EXPORT_SYMBOL_GPL(cxl_set_priv); + +void *cxl_get_priv(struct cxl_context *ctx) +{ + if (!ctx) + return ERR_PTR(-EINVAL); + + return ctx->priv; +} +EXPORT_SYMBOL_GPL(cxl_get_priv); + int cxl_allocate_afu_irqs(struct cxl_context *ctx, int num) { int res; diff --git a/drivers/misc/cxl/cxl.h b/drivers/misc/cxl/cxl.h index 422ee53868a8..27578fceda8a 100644 --- a/drivers/misc/cxl/cxl.h +++ b/drivers/misc/cxl/cxl.h @@ -484,6 +484,9 @@ struct cxl_context { /* Only used in PR mode */ u64 process_token; + /* driver private data */ + void *priv; + unsigned long *irq_bitmap; /* Accessed from IRQ context */ struct cxl_irq_ranges irqs; struct list_head irq_names; diff --git a/include/misc/cxl.h b/include/misc/cxl.h index 17419f61e611..b6d040f31f76 100644 --- a/include/misc/cxl.h +++ b/include/misc/cxl.h @@ -86,6 +86,13 @@ struct cxl_context *cxl_dev_context_init(struct pci_dev *dev); int cxl_release_context(struct cxl_context *ctx); /* + * Set and get private data associated with a context. Allows drivers to have a + * back pointer to some useful structure. + */ +int cxl_set_priv(struct cxl_context *ctx, void *priv); +void *cxl_get_priv(struct cxl_context *ctx); + +/* * Allocate AFU interrupts for this context. num=0 will allocate the default * for this AFU as given in the AFU descriptor. This number doesn't include the * interrupt 0 (CAIA defines AFU IRQ 0 for page faults). Each interrupt to be |