Differential D46691 Diff 145996 sys/dev/gve/gve_adminq.h

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sys/dev/gve/gve_adminq.h

Show First 20 Lines • Show All 138 Lines • ▼ Show 20 Lines	struct gve_device_option_dqo_rda {
__be32 supported_features_mask;		__be32 supported_features_mask;
__be16 tx_comp_ring_entries;		__be16 tx_comp_ring_entries;
__be16 rx_buff_ring_entries;		__be16 rx_buff_ring_entries;
};		};

_Static_assert(sizeof(struct gve_device_option_dqo_rda) == 8,		_Static_assert(sizeof(struct gve_device_option_dqo_rda) == 8,
"gve: bad admin queue struct length");		"gve: bad admin queue struct length");

		struct gve_device_option_dqo_qpl {
		__be32 supported_features_mask;
		__be16 tx_comp_ring_entries;
		__be16 rx_buff_ring_entries;
		};

		_Static_assert(sizeof(struct gve_device_option_dqo_qpl) == 8,
		"gve: bad admin queue struct length");

struct gve_device_option_modify_ring {		struct gve_device_option_modify_ring {
__be32 supported_features_mask;		__be32 supported_features_mask;
__be16 max_rx_ring_size;		__be16 max_rx_ring_size;
__be16 max_tx_ring_size;		__be16 max_tx_ring_size;
};		};

_Static_assert(sizeof(struct gve_device_option_modify_ring) == 8,		_Static_assert(sizeof(struct gve_device_option_modify_ring) == 8,
"gve: bad admin queue struct length");		"gve: bad admin queue struct length");

struct gve_device_option_jumbo_frames {		struct gve_device_option_jumbo_frames {
__be32 supported_features_mask;		__be32 supported_features_mask;
__be16 max_mtu;		__be16 max_mtu;
uint8_t padding[2];		uint8_t padding[2];
};		};

_Static_assert(sizeof(struct gve_device_option_jumbo_frames) == 8,		_Static_assert(sizeof(struct gve_device_option_jumbo_frames) == 8,
"gve: bad admin queue struct length");		"gve: bad admin queue struct length");

enum gve_dev_opt_id {		enum gve_dev_opt_id {
GVE_DEV_OPT_ID_GQI_RAW_ADDRESSING = 0x1,		GVE_DEV_OPT_ID_GQI_RAW_ADDRESSING = 0x1,
GVE_DEV_OPT_ID_GQI_RDA = 0x2,		GVE_DEV_OPT_ID_GQI_RDA = 0x2,
GVE_DEV_OPT_ID_GQI_QPL = 0x3,		GVE_DEV_OPT_ID_GQI_QPL = 0x3,
GVE_DEV_OPT_ID_DQO_RDA = 0x4,		GVE_DEV_OPT_ID_DQO_RDA = 0x4,
GVE_DEV_OPT_ID_MODIFY_RING = 0x6,		GVE_DEV_OPT_ID_MODIFY_RING = 0x6,
		GVE_DEV_OPT_ID_DQO_QPL = 0x7,
GVE_DEV_OPT_ID_JUMBO_FRAMES = 0x8,		GVE_DEV_OPT_ID_JUMBO_FRAMES = 0x8,
};		};

/*		/*
* These masks are way to predicate the use of a particular option on the driver		* These masks are way to predicate the use of a particular option on the driver
* having particular bug fixes represented by each bit position in the mask.		* having particular bug fixes represented by each bit position in the mask.
* Currently they are all zero because there are no known bugs preventing the		* Currently they are all zero because there are no known bugs preventing the
* use of any option.		* use of any option.
*/		*/
enum gve_dev_opt_req_feat_mask {		enum gve_dev_opt_req_feat_mask {
GVE_DEV_OPT_REQ_FEAT_MASK_GQI_RAW_ADDRESSING = 0x0,		GVE_DEV_OPT_REQ_FEAT_MASK_GQI_RAW_ADDRESSING = 0x0,
GVE_DEV_OPT_REQ_FEAT_MASK_GQI_RDA = 0x0,		GVE_DEV_OPT_REQ_FEAT_MASK_GQI_RDA = 0x0,
GVE_DEV_OPT_REQ_FEAT_MASK_GQI_QPL = 0x0,		GVE_DEV_OPT_REQ_FEAT_MASK_GQI_QPL = 0x0,
GVE_DEV_OPT_REQ_FEAT_MASK_DQO_RDA = 0x0,		GVE_DEV_OPT_REQ_FEAT_MASK_DQO_RDA = 0x0,
		GVE_DEV_OPT_REQ_FEAT_MASK_DQO_QPL = 0x0,
GVE_DEV_OPT_REQ_FEAT_MASK_MODIFY_RING = 0x0,		GVE_DEV_OPT_REQ_FEAT_MASK_MODIFY_RING = 0x0,
GVE_DEV_OPT_REQ_FEAT_MASK_JUMBO_FRAMES = 0x0,		GVE_DEV_OPT_REQ_FEAT_MASK_JUMBO_FRAMES = 0x0,
};		};

enum gve_sup_feature_mask {		enum gve_sup_feature_mask {
GVE_SUP_MODIFY_RING_MASK = 1 << 0,		GVE_SUP_MODIFY_RING_MASK = 1 << 0,
GVE_SUP_JUMBO_FRAMES_MASK = 1 << 2,		GVE_SUP_JUMBO_FRAMES_MASK = 1 << 2,
};		};

#define GVE_VERSION_STR_LEN 128		#define GVE_VERSION_STR_LEN 128

enum gve_driver_capability {		enum gve_driver_capability {
gve_driver_capability_gqi_qpl = 0,		gve_driver_capability_gqi_qpl = 0,
gve_driver_capability_gqi_rda = 1,		gve_driver_capability_gqi_rda = 1,
gve_driver_capability_dqo_qpl = 2, /* reserved for future use */		gve_driver_capability_dqo_qpl = 2,
gve_driver_capability_dqo_rda = 3,		gve_driver_capability_dqo_rda = 3,
};		};

#define GVE_CAP1(a) BIT((int) a)		#define GVE_CAP1(a) BIT((int) a)
#define GVE_CAP2(a) BIT(((int) a) - 64)		#define GVE_CAP2(a) BIT(((int) a) - 64)
#define GVE_CAP3(a) BIT(((int) a) - 128)		#define GVE_CAP3(a) BIT(((int) a) - 128)
#define GVE_CAP4(a) BIT(((int) a) - 192)		#define GVE_CAP4(a) BIT(((int) a) - 192)

/*		/*
* The following four defines describe 256 compatibility bits.		* The following four defines describe 256 compatibility bits.
* Only a few bits (as shown in `gve_driver_compatibility`) are currently		* Only a few bits (as shown in `gve_driver_compatibility`) are currently
* defined. The rest are reserved for future use.		* defined. The rest are reserved for future use.
*/		*/
#define GVE_DRIVER_CAPABILITY_FLAGS1 \		#define GVE_DRIVER_CAPABILITY_FLAGS1 \
(GVE_CAP1(gve_driver_capability_gqi_qpl) \| \		(GVE_CAP1(gve_driver_capability_gqi_qpl) \| \
		GVE_CAP1(gve_driver_capability_dqo_qpl) \| \
GVE_CAP1(gve_driver_capability_dqo_rda))		GVE_CAP1(gve_driver_capability_dqo_rda))
#define GVE_DRIVER_CAPABILITY_FLAGS2 0x0		#define GVE_DRIVER_CAPABILITY_FLAGS2 0x0
#define GVE_DRIVER_CAPABILITY_FLAGS3 0x0		#define GVE_DRIVER_CAPABILITY_FLAGS3 0x0
#define GVE_DRIVER_CAPABILITY_FLAGS4 0x0		#define GVE_DRIVER_CAPABILITY_FLAGS4 0x0

struct gve_driver_info {		struct gve_driver_info {
uint8_t os_type;		uint8_t os_type;
uint8_t driver_major;		uint8_t driver_major;
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