diff options
Diffstat (limited to 'share/man/man9/pci.9')
| -rw-r--r-- | share/man/man9/pci.9 | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/share/man/man9/pci.9 b/share/man/man9/pci.9 index 4089ee8..adc78b5 100644 --- a/share/man/man9/pci.9 +++ b/share/man/man9/pci.9 @@ -488,7 +488,7 @@ The .Fn pci_count_msi function returns the maximum number of MSI messages supported by the device -.Fa dev. +.Fa dev . If the device does not support MSI, then .Fn pci_count_msi @@ -567,7 +567,8 @@ is set to the number of messages allocated and returns zero. For MSI-X messages, the resource ID for each -.Dv SYS_RES_IRQ resource identifies the index in the MSI-X table of the +.Dv SYS_RES_IRQ +resource identifies the index in the MSI-X table of the corresponding message. A resource ID of one maps to the first index of the MSI-X table; a resource ID two identifies the second index in the table, etc. @@ -608,7 +609,7 @@ A driver may use a different distribution of available messages to table entries via the .Fn pci_remap_msix function. -Note that this function must be called after a succesful call to +Note that this function must be called after a successful call to .Fn pci_alloc_msix but before any of the .Dv SYS_RES_IRQ @@ -649,7 +650,8 @@ above for .Fn pci_alloc_msix . MSI-X table entries that with a vector of zero will not have an associated -.Dv SYS_RES_IRQ resource. +.Dv SYS_RES_IRQ +resource. Additionally, if any of the original messages allocated by .Fn pci_alloc_msix |
