diff options
Diffstat (limited to 'usr/src/uts/intel/sys/viona_io.h')
| -rw-r--r-- | usr/src/uts/intel/sys/viona_io.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/usr/src/uts/intel/sys/viona_io.h b/usr/src/uts/intel/sys/viona_io.h index 46cc72eb06..761445986c 100644 --- a/usr/src/uts/intel/sys/viona_io.h +++ b/usr/src/uts/intel/sys/viona_io.h @@ -12,6 +12,7 @@ /* * Copyright 2013 Pluribus Networks Inc. * Copyright 2018 Joyent, Inc. + * Copyright 2022 Oxide Computer Company */ #ifndef _VIONA_IO_H_ @@ -20,18 +21,39 @@ #define VNA_IOC (('V' << 16)|('C' << 8)) #define VNA_IOC_CREATE (VNA_IOC | 0x01) #define VNA_IOC_DELETE (VNA_IOC | 0x02) +#define VNA_IOC_VERSION (VNA_IOC | 0x03) #define VNA_IOC_RING_INIT (VNA_IOC | 0x10) #define VNA_IOC_RING_RESET (VNA_IOC | 0x11) #define VNA_IOC_RING_KICK (VNA_IOC | 0x12) #define VNA_IOC_RING_SET_MSI (VNA_IOC | 0x13) #define VNA_IOC_RING_INTR_CLR (VNA_IOC | 0x14) +#define VNA_IOC_RING_SET_STATE (VNA_IOC | 0x15) +#define VNA_IOC_RING_GET_STATE (VNA_IOC | 0x16) +#define VNA_IOC_RING_PAUSE (VNA_IOC | 0x17) #define VNA_IOC_INTR_POLL (VNA_IOC | 0x20) #define VNA_IOC_SET_FEATURES (VNA_IOC | 0x21) #define VNA_IOC_GET_FEATURES (VNA_IOC | 0x22) #define VNA_IOC_SET_NOTIFY_IOP (VNA_IOC | 0x23) + +/* + * Viona Interface Version + * + * Like bhyve, viona exposes Private interfaces which are nonetheless consumed + * by out-of-gate consumers. While those consumers assume all risk of breakage + * incurred by subsequent changes, it would be nice to equip them to potentially + * detect (and handle) those modifications. + * + * There are no established criteria for the magnitude of change which requires + * this version to be incremented, and maintenance of it is considered a + * best-effort activity. Nothing is to be inferred about the magnitude of a + * change when the version is modified. It follows no rules like semver. + * + */ +#define VIONA_CURRENT_INTERFACE_VERSION 1 + typedef struct vioc_create { datalink_id_t c_linkid; int c_vmfd; @@ -43,6 +65,14 @@ typedef struct vioc_ring_init { uint64_t ri_qaddr; } vioc_ring_init_t; +typedef struct vioc_ring_state { + uint16_t vrs_index; + uint16_t vrs_avail_idx; + uint16_t vrs_used_idx; + uint16_t vrs_qsize; + uint64_t vrs_qaddr; +} vioc_ring_state_t; + typedef struct vioc_ring_msi { uint16_t rm_index; uint64_t rm_addr; |