From: longli@linuxonhyperv.com
To: "K. Y. Srinivasan" <kys@microsoft.com>,
Haiyang Zhang <haiyangz@microsoft.com>,
Wei Liu <wei.liu@kernel.org>, Dexuan Cui <decui@microsoft.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Shradha Gupta <shradhagupta@linux.microsoft.com>,
Simon Horman <horms@kernel.org>,
Konstantin Taranov <kotaranov@microsoft.com>,
Souradeep Chakrabarti <schakrabarti@linux.microsoft.com>,
Erick Archer <erick.archer@outlook.com>,
linux-hyperv@vger.kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org
Cc: Long Li <longli@microsoft.com>
Subject: [PATCH net-next] net: mana: Record doorbell physical address in PF mode
Date: Mon, 9 Jun 2025 16:09:40 -0700 [thread overview]
Message-ID: <1749510580-21011-1-git-send-email-longli@linuxonhyperv.com> (raw)
From: Long Li <longli@microsoft.com>
MANA supports RDMA in PF mode. The driver should record the doorbell
physical address when in PF mode.
Signed-off-by: Long Li <longli@microsoft.com>
---
drivers/net/ethernet/microsoft/mana/gdma_main.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/net/ethernet/microsoft/mana/gdma_main.c b/drivers/net/ethernet/microsoft/mana/gdma_main.c
index 3504507477c6..52cf7112762c 100644
--- a/drivers/net/ethernet/microsoft/mana/gdma_main.c
+++ b/drivers/net/ethernet/microsoft/mana/gdma_main.c
@@ -31,6 +31,9 @@ static void mana_gd_init_pf_regs(struct pci_dev *pdev)
gc->db_page_base = gc->bar0_va +
mana_gd_r64(gc, GDMA_PF_REG_DB_PAGE_OFF);
+ gc->phys_db_page_base = gc->bar0_pa +
+ mana_gd_r64(gc, GDMA_PF_REG_DB_PAGE_OFF);
+
sriov_base_off = mana_gd_r64(gc, GDMA_SRIOV_REG_CFG_BASE_OFF);
sriov_base_va = gc->bar0_va + sriov_base_off;
--
2.25.1
next reply other threads:[~2025-06-09 23:09 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-09 23:09 longli [this message]
2025-06-10 22:35 ` [PATCH net-next] net: mana: Record doorbell physical address in PF mode Jakub Kicinski
2025-06-10 23:43 ` [EXTERNAL] " Long Li
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