From a31a2a3b27f18bce0830581057a3fff75b830924 Mon Sep 17 00:00:00 2001 From: Adit Ranadive Date: Tue, 22 Aug 2017 23:19:01 -0700 Subject: [PATCH] RDMA/vmw_pvrdma: Update device query parameters and port caps Added support for two device caps - max_sge_rd, max_fast_reg_page_list_len and the IP_BASED_GIDS port cap flag. Reviewed-by: Jorgen Hansen Reviewed-by: Bryan Tan Reviewed-by: Aditya Sarwade Signed-off-by: Adit Ranadive Reviewed-by: Leon Romanovsky Signed-off-by: Doug Ledford --- drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h | 9 ++++++++- drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c | 9 +++++++++ 2 files changed, 17 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h index 3a308ffe00bd..df0a6b525021 100644 --- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h +++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h @@ -149,6 +149,13 @@ ((_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. */ @@ -251,7 +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 { diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c index 28517042011d..48776f5ffb0e 100644 --- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c +++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c @@ -83,6 +83,8 @@ int pvrdma_query_device(struct ib_device *ibdev, props->max_qp_wr = dev->dsr->caps.max_qp_wr; props->device_cap_flags = dev->dsr->caps.device_cap_flags; props->max_sge = dev->dsr->caps.max_sge; + props->max_sge_rd = PVRDMA_GET_CAP(dev, dev->dsr->caps.max_sge, + dev->dsr->caps.max_sge_rd); props->max_cq = dev->dsr->caps.max_cq; props->max_cqe = dev->dsr->caps.max_cqe; props->max_mr = dev->dsr->caps.max_mr; @@ -101,8 +103,14 @@ int pvrdma_query_device(struct ib_device *ibdev, (dev->dsr->caps.bmme_flags & PVRDMA_BMME_FLAG_REMOTE_INV) && (dev->dsr->caps.bmme_flags & PVRDMA_BMME_FLAG_FAST_REG_WR)) { props->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS; + props->max_fast_reg_page_list_len = PVRDMA_GET_CAP(dev, + PVRDMA_MAX_FAST_REG_PAGES, + dev->dsr->caps.max_fast_reg_page_list_len); } + props->device_cap_flags |= IB_DEVICE_PORT_ACTIVE_EVENT | + IB_DEVICE_RC_RNR_NAK_GEN; + return 0; } @@ -143,6 +151,7 @@ int pvrdma_query_port(struct ib_device *ibdev, u8 port, props->gid_tbl_len = resp->attrs.gid_tbl_len; props->port_cap_flags = pvrdma_port_cap_flags_to_ib(resp->attrs.port_cap_flags); + props->port_cap_flags |= IB_PORT_CM_SUP | IB_PORT_IP_BASED_GIDS; props->max_msg_sz = resp->attrs.max_msg_sz; props->bad_pkey_cntr = resp->attrs.bad_pkey_cntr; props->qkey_viol_cntr = resp->attrs.qkey_viol_cntr; -- 2.20.1