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Keir Fraser
f8b6fcaf8f
this patch implements dynamic connections and disconnections in pcifront. This feature is required to properly support pci hotplug, because when no pci devices are assigned to a guest, xend will remove the pci backend altogether. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
30 lines
1.6 KiB
C
30 lines
1.6 KiB
C
#include <mini-os/types.h>
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#include <xen/io/pciif.h>
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struct pcifront_dev;
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void pcifront_watches(void *opaque);
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struct pcifront_dev *init_pcifront(char *nodename);
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void pcifront_op(struct pcifront_dev *dev, struct xen_pci_op *op);
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void pcifront_scan(struct pcifront_dev *dev, void (*fun)(unsigned int domain, unsigned int bus, unsigned slot, unsigned int fun));
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int pcifront_conf_read(struct pcifront_dev *dev,
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unsigned int dom,
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unsigned int bus, unsigned int slot, unsigned long fun,
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unsigned int off, unsigned int size, unsigned int *val);
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int pcifront_conf_write(struct pcifront_dev *dev,
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unsigned int dom,
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unsigned int bus, unsigned int slot, unsigned long fun,
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unsigned int off, unsigned int size, unsigned int val);
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int pcifront_enable_msi(struct pcifront_dev *dev,
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unsigned int dom,
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unsigned int bus, unsigned int slot, unsigned long fun);
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int pcifront_disable_msi(struct pcifront_dev *dev,
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unsigned int dom,
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unsigned int bus, unsigned int slot, unsigned long fun);
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int pcifront_enable_msix(struct pcifront_dev *dev,
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unsigned int dom,
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unsigned int bus, unsigned int slot, unsigned long fun,
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struct xen_msix_entry *entries, int n);
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int pcifront_disable_msix(struct pcifront_dev *dev,
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unsigned int dom,
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unsigned int bus, unsigned int slot, unsigned long fun);
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void shutdown_pcifront(struct pcifront_dev *dev);
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