IB/core: Add reserved values to enums for low-level driver use
Continue the approach taken by commit d2b57063e4
("IB/core: Reserve
bits in enum ib_qp_create_flags for low-level driver use") and add
reserved entries to the ib_qp_type and ib_wr_opcode enums. Low-level
drivers can then define macros to use these reserved values, giving
proper names to the macros for readability. Also add a range of
reserved flags to enum ib_send_flags.
The mlx5 IB driver uses the new additions.
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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@ -610,7 +610,21 @@ enum ib_qp_type {
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IB_QPT_RAW_PACKET = 8,
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IB_QPT_XRC_INI = 9,
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IB_QPT_XRC_TGT,
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IB_QPT_MAX
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IB_QPT_MAX,
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/* Reserve a range for qp types internal to the low level driver.
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* These qp types will not be visible at the IB core layer, so the
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* IB_QPT_MAX usages should not be affected in the core layer
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*/
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IB_QPT_RESERVED1 = 0x1000,
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IB_QPT_RESERVED2,
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IB_QPT_RESERVED3,
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IB_QPT_RESERVED4,
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IB_QPT_RESERVED5,
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IB_QPT_RESERVED6,
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IB_QPT_RESERVED7,
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IB_QPT_RESERVED8,
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IB_QPT_RESERVED9,
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IB_QPT_RESERVED10,
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};
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enum ib_qp_create_flags {
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@ -766,6 +780,19 @@ enum ib_wr_opcode {
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IB_WR_MASKED_ATOMIC_CMP_AND_SWP,
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IB_WR_MASKED_ATOMIC_FETCH_AND_ADD,
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IB_WR_BIND_MW,
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/* reserve values for low level drivers' internal use.
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* These values will not be used at all in the ib core layer.
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*/
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IB_WR_RESERVED1 = 0xf0,
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IB_WR_RESERVED2,
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IB_WR_RESERVED3,
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IB_WR_RESERVED4,
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IB_WR_RESERVED5,
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IB_WR_RESERVED6,
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IB_WR_RESERVED7,
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IB_WR_RESERVED8,
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IB_WR_RESERVED9,
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IB_WR_RESERVED10,
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};
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enum ib_send_flags {
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@ -773,7 +800,11 @@ enum ib_send_flags {
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IB_SEND_SIGNALED = (1<<1),
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IB_SEND_SOLICITED = (1<<2),
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IB_SEND_INLINE = (1<<3),
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IB_SEND_IP_CSUM = (1<<4)
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IB_SEND_IP_CSUM = (1<<4),
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/* reserve bits 26-31 for low level drivers' internal use */
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IB_SEND_RESERVED_START = (1 << 26),
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IB_SEND_RESERVED_END = (1 << 31),
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};
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struct ib_sge {
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