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| author |   Ariel Elior <Ariel.Elior@cavium.com> | 2018-11-28 18:16:02 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-11-30 13:45:12 -0800 |
| commit | 36907cd5cd720c5a6d36670b49eba3b1f7f4d8fe (patch) | |
| tree | 537e45c004acac490f7f13e27b27935d04b4885f /include/linux/qed | |
| parent | Merge branch 'rtnetlink-avoid-a-warning-in-rtnl_newlink' (diff) | |
| download | linux-dev-36907cd5cd720c5a6d36670b49eba3b1f7f4d8fe.tar.xz linux-dev-36907cd5cd720c5a6d36670b49eba3b1f7f4d8fe.zip | |
qed: Add doorbell overflow recovery mechanism
Add the database used to register doorbelling entities, and APIs for adding
and deleting entries, and logic for traversing the database and doorbelling
once on behalf of all entities.
Signed-off-by: Ariel Elior <Ariel.Elior@cavium.com>
Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Tomer Tayar <Tomer.Tayar@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/qed')
| -rw-r--r-- | include/linux/qed/qed_if.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/qed/qed_if.h b/include/linux/qed/qed_if.h index a47321a0d572..eb851f89f417 100644 --- a/include/linux/qed/qed_if.h +++ b/include/linux/qed/qed_if.h @@ -47,6 +47,7 @@ #include <linux/slab.h> #include <linux/qed/common_hsi.h> #include <linux/qed/qed_chain.h> +#include <linux/io-64-nonatomic-lo-hi.h> enum dcbx_protocol_type { DCBX_PROTOCOL_ISCSI, @@ -448,11 +449,24 @@ struct qed_mfw_tlv_iscsi { bool tx_bytes_set; }; +enum qed_db_rec_width { + DB_REC_WIDTH_32B, + DB_REC_WIDTH_64B, +}; + +enum qed_db_rec_space { + DB_REC_KERNEL, + DB_REC_USER, +}; + #define DIRECT_REG_WR(reg_addr, val) writel((u32)val, \ (void __iomem *)(reg_addr)) #define DIRECT_REG_RD(reg_addr) readl((void __iomem *)(reg_addr)) +#define DIRECT_REG_WR64(reg_addr, val) writeq((u32)val, \ + (void __iomem *)(reg_addr)) + #define QED_COALESCE_MAX 0x1FF #define QED_DEFAULT_RX_USECS 12 #define QED_DEFAULT_TX_USECS 48 |