From 0f69ce1e4474e5d5e266457e8a1f4166cf71f6c7 Mon Sep 17 00:00:00 2001
From: Jack Morgenstein <jackm@mellanox.co.il>
Date: Fri, 4 Nov 2005 16:03:32 -0800
Subject: [IB] mthca: report page size capability
Report the device's real page size capability in mthca_query_device().
Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
drivers/infiniband/hw/mthca/mthca_dev.h | 1 +
drivers/infiniband/hw/mthca/mthca_main.c | 1 +
drivers/infiniband/hw/mthca/mthca_provider.c | 1 +
3 files changed, 3 insertions(+)
(limited to 'drivers/infiniband')
diff --git a/drivers/infiniband/hw/mthca/mthca_dev.h b/drivers/infiniband/hw/mthca/mthca_dev.h
index e7e5d3b4f004..808037f25c78 100644
--- a/drivers/infiniband/hw/mthca/mthca_dev.h
+++ b/drivers/infiniband/hw/mthca/mthca_dev.h
@@ -154,6 +154,7 @@ struct mthca_limits {
int reserved_mcgs;
int num_pds;
int reserved_pds;
+ u32 page_size_cap;
u32 flags;
u8 port_width_cap;
};
diff --git a/drivers/infiniband/hw/mthca/mthca_main.c b/drivers/infiniband/hw/mthca/mthca_main.c
index 45c6328e780c..16594d1342df 100644
--- a/drivers/infiniband/hw/mthca/mthca_main.c
+++ b/drivers/infiniband/hw/mthca/mthca_main.c
@@ -181,6 +181,7 @@ static int __devinit mthca_dev_lim(struct mthca_dev *mdev, struct mthca_dev_lim
mdev->limits.reserved_uars = dev_lim->reserved_uars;
mdev->limits.reserved_pds = dev_lim->reserved_pds;
mdev->limits.port_width_cap = dev_lim->max_port_width;
+ mdev->limits.page_size_cap = ~(u32) (dev_lim->min_page_sz - 1);
mdev->limits.flags = dev_lim->flags;
/* IB_DEVICE_RESIZE_MAX_WR not supported by driver.
diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c
index 6b0166668269..e78259b2664b 100644
--- a/drivers/infiniband/hw/mthca/mthca_provider.c
+++ b/drivers/infiniband/hw/mthca/mthca_provider.c
@@ -90,6 +90,7 @@ static int mthca_query_device(struct ib_device *ibdev,
memcpy(&props->node_guid, out_mad->data + 12, 8);
props->max_mr_size = ~0ull;
+ props->page_size_cap = mdev->limits.page_size_cap;
props->max_qp = mdev->limits.num_qps - mdev->limits.reserved_qps;
props->max_qp_wr = mdev->limits.max_wqes;
props->max_sge = mdev->limits.max_sg;
--
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