mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-30 08:56:45 +07:00
ceb93a9ff1
This file uses PCI MSI defines and so needs pci.h. Tested-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
/*
|
|
* Copyright 2006-2007, Michael Ellerman, IBM Corporation.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version
|
|
* 2 of the License, or (at your option) any later version.
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/msi.h>
|
|
#include <linux/pci.h>
|
|
|
|
#include <asm/machdep.h>
|
|
|
|
int arch_msi_check_device(struct pci_dev* dev, int nvec, int type)
|
|
{
|
|
if (!ppc_md.setup_msi_irqs || !ppc_md.teardown_msi_irqs) {
|
|
pr_debug("msi: Platform doesn't provide MSI callbacks.\n");
|
|
return -ENOSYS;
|
|
}
|
|
|
|
/* PowerPC doesn't support multiple MSI yet */
|
|
if (type == PCI_CAP_ID_MSI && nvec > 1)
|
|
return 1;
|
|
|
|
if (ppc_md.msi_check_device) {
|
|
pr_debug("msi: Using platform check routine.\n");
|
|
return ppc_md.msi_check_device(dev, nvec, type);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
|
|
{
|
|
return ppc_md.setup_msi_irqs(dev, nvec, type);
|
|
}
|
|
|
|
void arch_teardown_msi_irqs(struct pci_dev *dev)
|
|
{
|
|
ppc_md.teardown_msi_irqs(dev);
|
|
}
|