From d7e8eb5d9216c6a4f963aa6d07e29680af17d739 Mon Sep 17 00:00:00 2001 From: Nicholas Bellinger Date: Tue, 7 Jan 2014 23:24:14 +0000 Subject: target/rd: Add support for protection SGL setup + release This patch adds rd_build_prot_space() + rd_release_prot_space() logic to setup + release protection information scatterlists. It also adds rd_init_prot() + rd_free_prot() se_subsystem_api callbacks used by target core code for setup + release of protection information. v2 changes: - Drop unused sg_table from rd_release_prot_space (Wei) - Drop rd_release_prot_space call from rd_free_device Cc: Martin K. Petersen Cc: Christoph Hellwig Cc: Hannes Reinecke Cc: Sagi Grimberg Cc: Or Gerlitz Signed-off-by: Nicholas Bellinger --- drivers/target/target_core_rd.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/target/target_core_rd.h') diff --git a/drivers/target/target_core_rd.h b/drivers/target/target_core_rd.h index 1789d1e14395..cc46a6a89b38 100644 --- a/drivers/target/target_core_rd.h +++ b/drivers/target/target_core_rd.h @@ -33,8 +33,12 @@ struct rd_dev { u32 rd_page_count; /* Number of SG tables in sg_table_array */ u32 sg_table_count; + /* Number of SG tables in sg_prot_array */ + u32 sg_prot_count; /* Array of rd_dev_sg_table_t containing scatterlists */ struct rd_dev_sg_table *sg_table_array; + /* Array of rd_dev_sg_table containing protection scatterlists */ + struct rd_dev_sg_table *sg_prot_array; /* Ramdisk HBA device is connected to */ struct rd_host *rd_host; } ____cacheline_aligned; -- cgit v1.2.3-59-g8ed1b