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authorIngo Molnar <mingo@kernel.org>2017-09-04 11:01:18 +0200
committerIngo Molnar <mingo@kernel.org>2017-09-04 11:01:18 +0200
commitedc2988c548db05e33b921fed15821010bc74895 (patch)
treeb35860428acea35e5866d4cf007519ed943a85de /drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h
parentd82fed75294229abc9d757f08a4817febae6c4f4 (diff)
parent81a84ad3cb5711cec79f4dd53a4ce026b092c432 (diff)
Merge branch 'linus' into locking/core, to fix up conflicts
Conflicts: mm/page_alloc.c Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h')
-rw-r--r--drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h37
1 files changed, 35 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h
index 09078ccfaec7..df0a6b525021 100644
--- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h
+++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h
@@ -50,7 +50,15 @@
#include "pvrdma_verbs.h"
-#define PVRDMA_VERSION 17
+/*
+ * PVRDMA version macros. Some new features require updates to PVRDMA_VERSION.
+ * These macros allow us to check for different features if necessary.
+ */
+
+#define PVRDMA_ROCEV1_VERSION 17
+#define PVRDMA_ROCEV2_VERSION 18
+#define PVRDMA_VERSION PVRDMA_ROCEV2_VERSION
+
#define PVRDMA_BOARD_ID 1
#define PVRDMA_REV_ID 1
@@ -123,6 +131,31 @@
#define PVRDMA_GID_TYPE_FLAG_ROCE_V1 BIT(0)
#define PVRDMA_GID_TYPE_FLAG_ROCE_V2 BIT(1)
+/*
+ * Version checks. This checks whether each version supports specific
+ * capabilities from the device.
+ */
+
+#define PVRDMA_IS_VERSION17(_dev) \
+ (_dev->dsr_version == PVRDMA_ROCEV1_VERSION && \
+ _dev->dsr->caps.gid_types == PVRDMA_GID_TYPE_FLAG_ROCE_V1)
+
+#define PVRDMA_IS_VERSION18(_dev) \
+ (_dev->dsr_version >= PVRDMA_ROCEV2_VERSION && \
+ (_dev->dsr->caps.gid_types == PVRDMA_GID_TYPE_FLAG_ROCE_V1 || \
+ _dev->dsr->caps.gid_types == PVRDMA_GID_TYPE_FLAG_ROCE_V2)) \
+
+#define PVRDMA_SUPPORTED(_dev) \
+ ((_dev->dsr->caps.mode == PVRDMA_DEVICE_MODE_ROCE) && \
+ (PVRDMA_IS_VERSION17(_dev) || PVRDMA_IS_VERSION18(_dev)))
+
+/*
+ * Get capability values based on device version.
+ */
+
+#define PVRDMA_GET_CAP(_dev, _old_val, _val) \
+ ((PVRDMA_IS_VERSION18(_dev)) ? _val : _old_val)
+
enum pvrdma_pci_resource {
PVRDMA_PCI_RESOURCE_MSIX, /* BAR0: MSI-X, MMIO. */
PVRDMA_PCI_RESOURCE_REG, /* BAR1: Registers, MMIO. */
@@ -225,7 +258,7 @@ struct pvrdma_device_caps {
u8 atomic_ops; /* PVRDMA_ATOMIC_OP_* bits */
u8 bmme_flags; /* FRWR Mem Mgmt Extensions */
u8 gid_types; /* PVRDMA_GID_TYPE_FLAG_ */
- u8 reserved[4];
+ u32 max_fast_reg_page_list_len;
};
struct pvrdma_ring_page_info {