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authorAlastair D'Silva <alastair@d-silva.org>2018-06-28 06:05:03 -0400
committerMichael Ellerman <mpe@ellerman.id.au>2018-07-02 09:54:31 -0400
commit82c6ae67fbbef68c80c2a39d559dd649d7530cd6 (patch)
tree28a7827cc3724836ef10b25caefbb7642ba8b0a4 /drivers/misc/cxl/api.c
parent17d29039388807305ab02a4d6eae7cbe09f81f90 (diff)
Revert "cxl: Add kernel APIs to get & set the max irqs per context"
Remove abandonned capi support for the Mellanox CX4. This reverts commit 79384e4b71240abf50c375eea56060b0d79c242a. Signed-off-by: Alastair D'Silva <alastair@d-silva.org> Acked-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'drivers/misc/cxl/api.c')
-rw-r--r--drivers/misc/cxl/api.c27
1 files changed, 0 insertions, 27 deletions
diff --git a/drivers/misc/cxl/api.c b/drivers/misc/cxl/api.c
index 34ba67bc41bd..a535c1e6aa92 100644
--- a/drivers/misc/cxl/api.c
+++ b/drivers/misc/cxl/api.c
@@ -552,30 +552,3 @@ ssize_t cxl_read_adapter_vpd(struct pci_dev *dev, void *buf, size_t count)
552 return cxl_ops->read_adapter_vpd(afu->adapter, buf, count); 552 return cxl_ops->read_adapter_vpd(afu->adapter, buf, count);
553} 553}
554EXPORT_SYMBOL_GPL(cxl_read_adapter_vpd); 554EXPORT_SYMBOL_GPL(cxl_read_adapter_vpd);
555
556int cxl_set_max_irqs_per_process(struct pci_dev *dev, int irqs)
557{
558 struct cxl_afu *afu = cxl_pci_to_afu(dev);
559 if (IS_ERR(afu))
560 return -ENODEV;
561
562 if (irqs > afu->adapter->user_irqs)
563 return -EINVAL;
564
565 /* Limit user_irqs to prevent the user increasing this via sysfs */
566 afu->adapter->user_irqs = irqs;
567 afu->irqs_max = irqs;
568
569 return 0;
570}
571EXPORT_SYMBOL_GPL(cxl_set_max_irqs_per_process);
572
573int cxl_get_max_irqs_per_process(struct pci_dev *dev)
574{
575 struct cxl_afu *afu = cxl_pci_to_afu(dev);
576 if (IS_ERR(afu))
577 return -ENODEV;
578
579 return afu->irqs_max;
580}
581EXPORT_SYMBOL_GPL(cxl_get_max_irqs_per_process);