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[intelxl] Allow admin cookie to hold extended opcode and return code

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The "send to PF" and "send to VF" admin queue descriptors (ab)use the
cookie field to hold the extended opcode and return code values.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2019-04-24 13:00:12 +01:00
parent 7b68c310f9
commit 17298d0121
2 changed files with 16 additions and 7 deletions
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10
src/drivers/net/intelxl.c
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@@ -313,8 +313,11 @@ static int intelxl_admin_command ( struct intelxl_nic *intelxl ) {
tail = ( admin->index % INTELXL_ADMIN_NUM_DESC );
cmd = &admin->desc[ index % INTELXL_ADMIN_NUM_DESC ];
buf = &admin->buf[ index % INTELXL_ADMIN_NUM_DESC ];
DBGC2 ( intelxl, "INTELXL %p admin command %#x opcode %#04x:\n",
DBGC2 ( intelxl, "INTELXL %p admin command %#x opcode %#04x",
intelxl, index, le16_to_cpu ( cmd->opcode ) );
if ( cmd->vopcode )
DBGC2 ( intelxl, "/%#08x", le32_to_cpu ( cmd->vopcode ) );
DBGC2 ( intelxl, ":\n" );
/* Sanity checks */
assert ( ! ( cmd->flags & cpu_to_le16 ( INTELXL_ADMIN_FL_DD ) ) );
@@ -329,8 +332,9 @@ static int intelxl_admin_command ( struct intelxl_nic *intelxl ) {
cmd->params.buffer.low = cpu_to_le32 ( address & 0xffffffffUL );
}
/* Populate cookie */
cmd->cookie = cpu_to_le32 ( index );
/* Populate cookie, if not being (ab)used for VF opcode */
if ( ! cmd->vopcode )
cmd->cookie = cpu_to_le32 ( index );
/* Record cookie */
cookie = cmd->cookie;