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[intelxl] Provide a mechanism for handling "send to VF" events

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Provide a weak stub function for handling the "send to VF" event used
for communications between the physical and virtual function drivers.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2019-04-24 13:09:43 +01:00
parent 17298d0121
commit 7676924571
2 changed files with 28 additions and 0 deletions
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18
src/drivers/net/intelxl.c
View File

@@ -658,6 +658,21 @@ static int intelxl_admin_link ( struct net_device *netdev ) {
return 0; return 0;
} }
/**
* Handle virtual function event (when VF driver is not present)
*
* @v netdev Network device
* @v evt Admin queue event descriptor
* @v buf Admin queue event data buffer
*/
__weak void
intelxlvf_admin_event ( struct net_device *netdev __unused,
struct intelxl_admin_descriptor *evt __unused,
union intelxl_admin_buffer *buf __unused ) {
/* Nothing to do */
}
/** /**
* Refill admin event queue * Refill admin event queue
* *
@@ -711,6 +726,9 @@ static void intelxl_poll_admin ( struct net_device *netdev ) {
case cpu_to_le16 ( INTELXL_ADMIN_LINK ): case cpu_to_le16 ( INTELXL_ADMIN_LINK ):
intelxl_admin_link ( netdev ); intelxl_admin_link ( netdev );
break; break;
case cpu_to_le16 ( INTELXL_ADMIN_SEND_TO_VF ):
intelxlvf_admin_event ( netdev, evt, buf );
break;
default: default:
DBGC ( intelxl, "INTELXL %p admin event %#x " DBGC ( intelxl, "INTELXL %p admin event %#x "
"unrecognised opcode %#04x\n", intelxl, "unrecognised opcode %#04x\n", intelxl,

10
src/drivers/net/intelxl.h
View File

@@ -289,6 +289,12 @@ struct intelxl_admin_link_params {
/** Link is up */ /** Link is up */
#define INTELXL_ADMIN_LINK_UP 0x01 #define INTELXL_ADMIN_LINK_UP 0x01
/** Admin queue Send Message to PF command */
#define INTELXL_ADMIN_SEND_TO_PF 0x0801
/** Admin queue Send Message to VF command */
#define INTELXL_ADMIN_SEND_TO_VF 0x0802
/** Admin queue command parameters */ /** Admin queue command parameters */
union intelxl_admin_params { union intelxl_admin_params {
/** Additional data buffer command parameters */ /** Additional data buffer command parameters */
@@ -824,4 +830,8 @@ struct intelxl_nic {
struct io_buffer *rx_iobuf[INTELXL_RX_NUM_DESC]; struct io_buffer *rx_iobuf[INTELXL_RX_NUM_DESC];
}; };
extern void intelxlvf_admin_event ( struct net_device *netdev,
struct intelxl_admin_descriptor *evt,
union intelxl_admin_buffer *buf );
#endif /* _INTELXL_H */ #endif /* _INTELXL_H */