[dpdk-dev] [PATCH v3 59/60] common/sfc_efx/base: add option for descriptor proxy queues
Andrew Rybchenko
arybchenko at solarflare.com
Thu Sep 24 14:12:34 CEST 2020
From: Andy Moreton <amoreton at xilinx.com>
EF100 uses descriptor proxy queues to support virtio-blk proxy.
Signed-off-by: Andy Moreton <amoreton at xilinx.com>
Signed-off-by: Andrew Rybchenko <arybchenko at solarflare.com>
---
drivers/common/sfc_efx/base/efx_check.h | 10 ++++++++++
drivers/common/sfc_efx/efsys.h | 2 ++
2 files changed, 12 insertions(+)
diff --git a/drivers/common/sfc_efx/base/efx_check.h b/drivers/common/sfc_efx/base/efx_check.h
index 40ba57be6f..8f42d87a04 100644
--- a/drivers/common/sfc_efx/base/efx_check.h
+++ b/drivers/common/sfc_efx/base/efx_check.h
@@ -391,4 +391,14 @@
# endif
#endif /* EFSYS_OPT_EV_EXTENDED_WIDTH */
+/* Support descriptor proxy queues */
+#if EFSYS_OPT_DESC_PROXY
+# if !EFSYS_OPT_RIVERHEAD
+# error "DESC_PROXY requires RIVERHEAD"
+# endif
+# if !EFSYS_OPT_EV_EXTENDED_WIDTH
+# error "DESC_PROXY requires EV_EXTENDED_WIDTH"
+# endif
+#endif /* EFSYS_OPT_DESC_PROXY */
+
#endif /* _SYS_EFX_CHECK_H */
diff --git a/drivers/common/sfc_efx/efsys.h b/drivers/common/sfc_efx/efsys.h
index f74b703cda..9ad7c82b86 100644
--- a/drivers/common/sfc_efx/efsys.h
+++ b/drivers/common/sfc_efx/efsys.h
@@ -165,6 +165,8 @@ prefetch_read_once(const volatile void *addr)
#define EFSYS_OPT_PCI 0
+#define EFSYS_OPT_DESC_PROXY 0
+
/* ID */
typedef struct __efsys_identifier_s efsys_identifier_t;
--
2.17.1
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