diff options
| author |   Damjan Marion <damarion@cisco.com> | 2020-10-07 20:00:39 +0200 |
|---|---|---|
| committer |   Andrew Yourtchenko <ayourtch@gmail.com> | 2020-10-08 10:21:44 +0000 |
| commit | 9c9490cee8aba658ad2fef06305461cbaaaec1a1 (patch) | |
| tree | d48a82816278d20a3d348dd96d2f03c0e68d4086 /src/vlib | |
| parent | 22eefd79a1817ce6d0da3b20412eb61ce718cbaf (diff) | |
pci: add vlib_pci_get_msix_file_index
Type: improvement
Change-Id: Ibc15aa6f75e989b2b7caa9a57e3665b1ffc7cc18
Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/vlib')
| -rw-r--r-- | src/vlib/linux/pci.c | 11 | ||||
| -rw-r--r-- | src/vlib/pci/pci.h | 2 |
2 files changed, 13 insertions, 0 deletions
diff --git a/src/vlib/linux/pci.c b/src/vlib/linux/pci.c index a010e64fa13..6078be2537e 100644 --- a/src/vlib/linux/pci.c +++ b/src/vlib/linux/pci.c @@ -912,6 +912,17 @@ vlib_pci_enable_msix_irq (vlib_main_t * vm, vlib_pci_dev_handle_t h, VFIO_IRQ_SET_ACTION_TRIGGER, fds); } +uword +vlib_pci_get_msix_file_index (vlib_main_t * vm, vlib_pci_dev_handle_t h, + u16 index) +{ + linux_pci_device_t *p = linux_pci_get_device (h); + linux_pci_irq_t *irq = vec_elt_at_index (p->msix_irqs, index); + if (irq->fd == -1) + return ~0; + return irq->clib_file_index; +} + clib_error_t * vlib_pci_disable_msix_irq (vlib_main_t * vm, vlib_pci_dev_handle_t h, u16 start, u16 count) diff --git a/src/vlib/pci/pci.h b/src/vlib/pci/pci.h index d3b43ba8d90..5aae597f825 100644 --- a/src/vlib/pci/pci.h +++ b/src/vlib/pci/pci.h @@ -316,6 +316,8 @@ clib_error_t *vlib_pci_disable_msix_irq (vlib_main_t * vm, u16 count); clib_error_t *vlib_pci_map_dma (vlib_main_t * vm, vlib_pci_dev_handle_t h, void *ptr); +uword vlib_pci_get_msix_file_index (vlib_main_t * vm, vlib_pci_dev_handle_t h, + u16 index); int vlib_pci_supports_virtual_addr_dma (vlib_main_t * vm, vlib_pci_dev_handle_t h); |