diff options
Diffstat (limited to 'src/drivers/net/intelxlvf.h')
-rw-r--r-- | src/drivers/net/intelxlvf.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/src/drivers/net/intelxlvf.h b/src/drivers/net/intelxlvf.h new file mode 100644 index 00000000..ffcae567 --- /dev/null +++ b/src/drivers/net/intelxlvf.h @@ -0,0 +1,86 @@ +#ifndef _INTELXLVF_H +#define _INTELXLVF_H + +/** @file + * + * Intel 40 Gigabit Ethernet virtual function network card driver + * + */ + +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); + +#include "intelxl.h" + +/** BAR size */ +#define INTELXLVF_BAR_SIZE 0x10000 + +/** Transmit Queue Tail Register */ +#define INTELXLVF_QTX_TAIL 0x00000 + +/** Receive Queue Tail Register */ +#define INTELXLVF_QRX_TAIL 0x02000 + +/** VF Interrupt Zero Dynamic Control Register */ +#define INTELXLVF_VFINT_DYN_CTL0 0x5c00 + +/** VF Admin Queue register block */ +#define INTELXLVF_ADMIN 0x6000 + +/** Admin Command Queue Base Address Low Register (offset) */ +#define INTELXLVF_ADMIN_CMD_BAL 0x1c00 + +/** Admin Command Queue Base Address High Register (offset) */ +#define INTELXLVF_ADMIN_CMD_BAH 0x1800 + +/** Admin Command Queue Length Register (offset) */ +#define INTELXLVF_ADMIN_CMD_LEN 0x0800 + +/** Admin Command Queue Head Register (offset) */ +#define INTELXLVF_ADMIN_CMD_HEAD 0x0400 + +/** Admin Command Queue Tail Register (offset) */ +#define INTELXLVF_ADMIN_CMD_TAIL 0x2400 + +/** Admin Event Queue Base Address Low Register (offset) */ +#define INTELXLVF_ADMIN_EVT_BAL 0x0c00 + +/** Admin Event Queue Base Address High Register (offset) */ +#define INTELXLVF_ADMIN_EVT_BAH 0x0000 + +/** Admin Event Queue Length Register (offset) */ +#define INTELXLVF_ADMIN_EVT_LEN 0x2000 + +/** Admin Event Queue Head Register (offset) */ +#define INTELXLVF_ADMIN_EVT_HEAD 0x1400 + +/** Admin Event Queue Tail Register (offset) */ +#define INTELXLVF_ADMIN_EVT_TAIL 0x1000 + +/** Maximum time to wait for a VF admin request to complete */ +#define INTELXLVF_ADMIN_MAX_WAIT_MS 2000 + +/** VF Reset Status Register */ +#define INTELXLVF_VFGEN_RSTAT 0x8800 +#define INTELXLVF_VFGEN_RSTAT_VFR_STATE(x) ( (x) & 0x3 ) +#define INTELXLVF_VFGEN_RSTAT_VFR_STATE_ACTIVE 0x2 + +/** Maximum time to wait for reset to complete */ +#define INTELXLVF_RESET_MAX_WAIT_MS 1000 + +/** + * Initialise descriptor ring + * + * @v ring Descriptor ring + * @v count Number of descriptors + * @v len Length of a single descriptor + * @v tail Tail register offset + */ +static inline __attribute__ (( always_inline)) void +intelxlvf_init_ring ( struct intelxl_ring *ring, unsigned int count, + size_t len, unsigned int tail ) { + + ring->len = ( count * len ); + ring->tail = tail; +} + +#endif /* _INTELXLVF_H */ |