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net/mlx4_core: Add health buffer address capability

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Health buffer address is a 32 bit PCI address offset provided by
the FW. This offset is used for reading FW health debug data
located on the shared CR space. Cr space is accessible in both
driver and FW and allows for different queries and configurations.
Health buffer size is always 64B of readable data followed by a
lock which is used to block volatile CR space access.

Signed-off-by: Alex Vesker <valex@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alex Vesker
2018-07-12 15:13:15 +03:00
committed by David S. Miller
parent 4e54795a27
commit 523f9eb1ef
4 changed files with 7 additions and 1 deletions
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include/linux/mlx4/device.h
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@@ -630,6 +630,7 @@ struct mlx4_caps {
u32 vf_caps;
bool wol_port[MLX4_MAX_PORTS + 1];
struct mlx4_rate_limit_caps rl_caps;
u32 health_buffer_addrs;
};
struct mlx4_buf_list {