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| author | David S. Miller <davem@davemloft.net> | 2019-08-22 10:25:12 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-08-22 10:25:12 +0300 |
| commit | 8da3803d1ac49a9e47e9059fecd07167d4139389 (patch) | |
| tree | b352f82d59d203d1f0f1daf6d36a8dbde496b41d /include/linux | |
| parent | fed07ef3b072ff5b420de954697c529e4bed73e2 (diff) | |
| parent | cef35af34d6dc3792333075115c7deb7062b6e18 (diff) | |
| download | linux-8da3803d1ac49a9e47e9059fecd07167d4139389.tar.xz | |
Merge branch 'mlx5-hyperv'
Haiyang Zhang says:
====================
Add software backchannel and mlx5e HV VHCA stats
This patch set adds paravirtual backchannel in software in pci_hyperv,
which is required by the mlx5e driver HV VHCA stats agent.
The stats agent is responsible on running a periodic rx/tx packets/bytes
stats update.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/hyperv.h | 29 | ||||
| -rw-r--r-- | include/linux/mlx5/driver.h | 2 |
2 files changed, 31 insertions, 0 deletions
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index 6256cc34c4a6..2afe6fdc1dda 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -1578,4 +1578,33 @@ hv_pkt_iter_next(struct vmbus_channel *channel, for (pkt = hv_pkt_iter_first(channel); pkt; \ pkt = hv_pkt_iter_next(channel, pkt)) +/* + * Interface for passing data between SR-IOV PF and VF drivers. The VF driver + * sends requests to read and write blocks. Each block must be 128 bytes or + * smaller. Optionally, the VF driver can register a callback function which + * will be invoked when the host says that one or more of the first 64 block + * IDs is "invalid" which means that the VF driver should reread them. + */ +#define HV_CONFIG_BLOCK_SIZE_MAX 128 + +int hyperv_read_cfg_blk(struct pci_dev *dev, void *buf, unsigned int buf_len, + unsigned int block_id, unsigned int *bytes_returned); +int hyperv_write_cfg_blk(struct pci_dev *dev, void *buf, unsigned int len, + unsigned int block_id); +int hyperv_reg_block_invalidate(struct pci_dev *dev, void *context, + void (*block_invalidate)(void *context, + u64 block_mask)); + +struct hyperv_pci_block_ops { + int (*read_block)(struct pci_dev *dev, void *buf, unsigned int buf_len, + unsigned int block_id, unsigned int *bytes_returned); + int (*write_block)(struct pci_dev *dev, void *buf, unsigned int len, + unsigned int block_id); + int (*reg_blk_invalidate)(struct pci_dev *dev, void *context, + void (*block_invalidate)(void *context, + u64 block_mask)); +}; + +extern struct hyperv_pci_block_ops hvpci_block_ops; + #endif /* _HYPERV_H */ diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index df23f17eed64..13b4cf22f3ab 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -659,6 +659,7 @@ struct mlx5_clock { struct mlx5_fw_tracer; struct mlx5_vxlan; struct mlx5_geneve; +struct mlx5_hv_vhca; struct mlx5_core_dev { struct device *device; @@ -706,6 +707,7 @@ struct mlx5_core_dev { struct mlx5_ib_clock_info *clock_info; struct mlx5_fw_tracer *tracer; u32 vsc_addr; + struct mlx5_hv_vhca *hv_vhca; }; struct mlx5_db { |