github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-09-24 06:24:02 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

RDMA/efa: Extend page-shift field in MR registration

Browse Source 
Update device interface adding one more bit from reserved to enable
>4GB page sizes that can be supported on 0xefa4 devices.

Reviewed-by: Yonatan Nachum <ynachum@amazon.com>
Signed-off-by: Michael Margolin <mrgolin@amazon.com>
Link: https://patch.msgid.link/20260712134413.19226-2-mrgolin@amazon.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Michael Margolin 2026-07-12 13:44:12 +00:00 committed by Leon Romanovsky
parent e26c48cf23
commit 4266547bdc
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/infiniband/hw/efa/efa_admin_cmds_defs.h
View File

@ -367,10 +367,10 @@ struct efa_admin_reg_mr_cmd {
/*
* flags and page size
* 4:0 : phys_page_size_shift - page size is (1 <<
* 5:0 : phys_page_size_shift - page size is (1 <<
* phys_page_size_shift). Page size is used for
* building the Virtual to Physical address mapping
* 6:5 : reserved - MBZ
* 6 : reserved - MBZ
* 7 : mem_addr_phy_mode_en - Enable bit for physical
* memory registration (no translation), can be used
* only by privileged clients. If set, PBL must
@ -1103,7 +1103,7 @@ struct efa_admin_host_info {
#define EFA_ADMIN_MODIFY_QP_CMD_RNR_RETRY_MASK BIT(5)
/* reg_mr_cmd */
#define EFA_ADMIN_REG_MR_CMD_PHYS_PAGE_SIZE_SHIFT_MASK GENMASK(4, 0)
#define EFA_ADMIN_REG_MR_CMD_PHYS_PAGE_SIZE_SHIFT_MASK GENMASK(5, 0)
#define EFA_ADMIN_REG_MR_CMD_MEM_ADDR_PHY_MODE_EN_MASK BIT(7)
#define EFA_ADMIN_REG_MR_CMD_LOCAL_WRITE_ENABLE_MASK BIT(0)
#define EFA_ADMIN_REG_MR_CMD_REMOTE_WRITE_ENABLE_MASK BIT(1)