diff options
Diffstat (limited to 'src/drivers/net/intelvf.h')
-rw-r--r-- | src/drivers/net/intelvf.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/drivers/net/intelvf.h b/src/drivers/net/intelvf.h new file mode 100644 index 00000000..d03a7f17 --- /dev/null +++ b/src/drivers/net/intelvf.h @@ -0,0 +1,84 @@ +#ifndef _INTELVF_H +#define _INTELVF_H + +/** @file + * + * Intel 10/100/1000 virtual function network card driver + * + */ + +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); + +#include "intel.h" + +/** Intel VF BAR size */ +#define INTELVF_BAR_SIZE ( 16 * 1024 ) + +/** Mailbox Control Register */ +#define INTELVF_MBCTRL 0x0c40UL +#define INTELVF_MBCTRL_REQ 0x00000001UL /**< Request for PF ready */ +#define INTELVF_MBCTRL_ACK 0x00000002UL /**< PF message received */ +#define INTELVF_MBCTRL_VFU 0x00000004UL /**< Buffer taken by VF */ +#define INTELVF_MBCTRL_PFU 0x00000008UL /**< Buffer taken to PF */ +#define INTELVF_MBCTRL_PFSTS 0x00000010UL /**< PF wrote a message */ +#define INTELVF_MBCTRL_PFACK 0x00000020UL /**< PF acknowledged message */ +#define INTELVF_MBCTRL_RSTI 0x00000040UL /**< PF reset in progress */ +#define INTELVF_MBCTRL_RSTD 0x00000080UL /**< PF reset complete */ + +/** Mailbox Memory Register Base */ +#define INTELVF_MBMEM 0x0800UL + +/** Reset mailbox message */ +#define INTELVF_MSG_TYPE_RESET 0x00000001UL + +/** Set MAC address mailbox message */ +#define INTELVF_MSG_TYPE_SET_MAC 0x00000002UL + +/** Control ("ping") mailbox message */ +#define INTELVF_MSG_TYPE_CONTROL 0x00000100UL + +/** Message type mask */ +#define INTELVF_MSG_TYPE_MASK 0x0000ffffUL + +/** Message NACK flag */ +#define INTELVF_MSG_NACK 0x40000000UL + +/** Message ACK flag */ +#define INTELVF_MSG_ACK 0x80000000UL + +/** Message is a response */ +#define INTELVF_MSG_RESPONSE ( INTELVF_MSG_ACK | INTELVF_MSG_NACK ) + +/** MAC address mailbox message */ +struct intelvf_msg_mac { + /** Message header */ + uint32_t hdr; + /** MAC address */ + uint8_t mac[ETH_ALEN]; + /** Alignment padding */ + uint8_t reserved[ (-ETH_ALEN) & 0x3 ]; +} __attribute__ (( packed )); + +/** Mailbox message */ +union intelvf_msg { + /** Message header */ + uint32_t hdr; + /** MAC address message */ + struct intelvf_msg_mac mac; + /** Raw dwords */ + uint32_t dword[0]; +}; + +/** Maximum time to wait for mailbox message + * + * This is a policy decision. + */ +#define INTELVF_MBOX_MAX_WAIT_MS 500 + +extern int intelvf_mbox_poll ( struct intel_nic *intel ); +extern int intelvf_mbox_wait ( struct intel_nic *intel ); +extern int intelvf_mbox_reset ( struct intel_nic *intel, uint8_t *hw_addr ); +extern int intelvf_mbox_set_mac ( struct intel_nic *intel, + const uint8_t *ll_addr ); + +#endif /* _INTELVF_H */ |