diff options
Diffstat (limited to 'drivers/misc/cxl/api.c')
| -rw-r--r-- | drivers/misc/cxl/api.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/misc/cxl/api.c b/drivers/misc/cxl/api.c index 1e2c0d9f1df7..f02a85974e49 100644 --- a/drivers/misc/cxl/api.c +++ b/drivers/misc/cxl/api.c @@ -97,6 +97,21 @@ static irq_hw_number_t cxl_find_afu_irq(struct cxl_context *ctx, int num) return 0; } +int _cxl_next_msi_hwirq(struct pci_dev *pdev, struct cxl_context **ctx, int *afu_irq) +{ + if (*ctx == NULL || *afu_irq == 0) { + *afu_irq = 1; + *ctx = cxl_get_context(pdev); + } else { + (*afu_irq)++; + if (*afu_irq > cxl_get_max_irqs_per_process(pdev)) { + *ctx = list_next_entry(*ctx, extra_irq_contexts); + *afu_irq = 1; + } + } + return cxl_find_afu_irq(*ctx, *afu_irq); +} +/* Exported via cxl_base */ int cxl_set_priv(struct cxl_context *ctx, void *priv) { |