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storage: Update VSC driver for handling erase

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1. If vs_blk_dev_config.req_ops_supported has only DISCARD
   support enabled, then REQ_OP_DISCARD should be mapped to
   DISCARD for UFS.

2. If vs_blk_dev_config.req_ops_supported has only SECURE_ERASE
   support enabled, then REQ_OP_DISCARD and REQ_OP_SECURE_ERASE
   both should be mapped to SECURE_ERASE for UFS.

3. If vs_blk_dev_config.req_ops_supported has only ERASE
   support enabled, then REQ_OP_DISCARD and REQ_OP_SECURE_ERASE
   both should be mapped to ERASE for UFS.

Bug 4176555

Signed-off-by: Manish Bhardwaj <mbhardwaj@nvidia.com>
Change-Id: I01599df9ab93525120106dfabf2d345ab8b64770
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2920433
Reviewed-by: Sanjith T D <std@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Sandeep Trasi <strasi@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Manish Bhardwaj
2023-07-10 15:28:54 +05:30
committed by mobile promotions
parent 6fa354a3b2
commit 7e764afb5f
2 changed files with 49 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
include/tegra_virt_storage_spec.h
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@@ -46,6 +46,7 @@ enum blk_cmd_op {
VS_BLK_DISCARD = 4,
VS_BLK_SECURE_ERASE = 5,
VS_BLK_IOCTL = 6,
VS_BLK_ERASE = 7,
VS_BLK_INVAL_REQ = 32,
VS_UNKNOWN_BLK_CMD = 0xffffffff,
};
@@ -57,6 +58,7 @@ enum blk_cmd_op {
#define VS_BLK_DISCARD_OP_F (1 << VS_BLK_DISCARD)
#define VS_BLK_SECURE_ERASE_OP_F (1 << VS_BLK_SECURE_ERASE)
#define VS_BLK_IOCTL_OP_F (1 << VS_BLK_IOCTL)
#define VS_BLK_ERASE_OP_F (1 << VS_BLK_ERASE)
#define VS_BLK_READ_ONLY_MASK ~(VS_BLK_READ_OP_F)
#pragma pack(push)