diff options
Diffstat (limited to 'debian/patches/features/all/ethernet-microsoft/0004-net-mana-Record-the-physical-address-for-doorbell-pa.patch')
| -rw-r--r-- | debian/patches/features/all/ethernet-microsoft/0004-net-mana-Record-the-physical-address-for-doorbell-pa.patch | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/debian/patches/features/all/ethernet-microsoft/0004-net-mana-Record-the-physical-address-for-doorbell-pa.patch b/debian/patches/features/all/ethernet-microsoft/0004-net-mana-Record-the-physical-address-for-doorbell-pa.patch new file mode 100644 index 000000000..21568f6aa --- /dev/null +++ b/debian/patches/features/all/ethernet-microsoft/0004-net-mana-Record-the-physical-address-for-doorbell-pa.patch @@ -0,0 +1,63 @@ +From 108ed3960c8f1e65ad64b22a4a073c4e42204132 Mon Sep 17 00:00:00 2001 +From: Long Li <longli@microsoft.com> +Date: Thu, 3 Nov 2022 12:16:20 -0700 +Subject: [PATCH 04/23] net: mana: Record the physical address for doorbell + page region + +For supporting RDMA device with multiple user contexts with their +individual doorbell pages, record the start address of doorbell page +region for use by the RDMA driver to allocate user context doorbell IDs. + +Reviewed-by: Dexuan Cui <decui@microsoft.com> +Signed-off-by: Long Li <longli@microsoft.com> +Link: https://lore.kernel.org/r/1667502990-2559-3-git-send-email-longli@linuxonhyperv.com +Acked-by: Haiyang Zhang <haiyangz@microsoft.com> +Signed-off-by: Leon Romanovsky <leonro@nvidia.com> +(cherry picked from commit f3dc096246091048677c45cfc0e24ad512927b52) +Signed-off-by: Bastian Blank <waldi@debian.org> +--- + drivers/net/ethernet/microsoft/mana/gdma.h | 2 ++ + drivers/net/ethernet/microsoft/mana/gdma_main.c | 4 ++++ + 2 files changed, 6 insertions(+) + +diff --git a/drivers/net/ethernet/microsoft/mana/gdma.h b/drivers/net/ethernet/microsoft/mana/gdma.h +index df0ffe35db92..86d8a9e36005 100644 +--- a/drivers/net/ethernet/microsoft/mana/gdma.h ++++ b/drivers/net/ethernet/microsoft/mana/gdma.h +@@ -354,9 +354,11 @@ struct gdma_context { + u32 test_event_eq_id; + + bool is_pf; ++ phys_addr_t bar0_pa; + void __iomem *bar0_va; + void __iomem *shm_base; + void __iomem *db_page_base; ++ phys_addr_t phys_db_page_base; + u32 db_page_size; + int numa_node; + +diff --git a/drivers/net/ethernet/microsoft/mana/gdma_main.c b/drivers/net/ethernet/microsoft/mana/gdma_main.c +index abe9888a40aa..a00bd88443d3 100644 +--- a/drivers/net/ethernet/microsoft/mana/gdma_main.c ++++ b/drivers/net/ethernet/microsoft/mana/gdma_main.c +@@ -44,6 +44,9 @@ static void mana_gd_init_vf_regs(struct pci_dev *pdev) + gc->db_page_base = gc->bar0_va + + mana_gd_r64(gc, GDMA_REG_DB_PAGE_OFFSET); + ++ gc->phys_db_page_base = gc->bar0_pa + ++ mana_gd_r64(gc, GDMA_REG_DB_PAGE_OFFSET); ++ + gc->shm_base = gc->bar0_va + mana_gd_r64(gc, GDMA_REG_SHM_OFFSET); + } + +@@ -1407,6 +1410,7 @@ static int mana_gd_probe(struct pci_dev *pdev, const struct pci_device_id *ent) + + mutex_init(&gc->eq_test_event_mutex); + pci_set_drvdata(pdev, gc); ++ gc->bar0_pa = pci_resource_start(pdev, 0); + + bar0_va = pci_iomap(pdev, bar, 0); + if (!bar0_va) +-- +2.40.1 + |