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Wed, 27 Jan 2021 12:49:57 +0900 (KST) Received: from ubuntu.dsn.sec.samsung.com (unknown [12.36.155.120]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20210127034956epsmtip25487dd458c2c7096be21f885e18d02fb~d_kCTEC-R2612426124epsmtip2O; Wed, 27 Jan 2021 03:49:56 +0000 (GMT) From: Kiwoong Kim To: linux-scsi@vger.kernel.org, alim.akhtar@samsung.com, avri.altman@wdc.com, jejb@linux.ibm.com, martin.petersen@oracle.com, beanhuo@micron.com, asutoshd@codeaurora.org, cang@codeaurora.org, bvanassche@acm.org, grant.jung@samsung.com, sc.suh@samsung.com, hy50.seo@samsung.com, sh425.lee@samsung.com, bhoon95.kim@samsung.com Cc: Kiwoong Kim Subject: [PATCH v9 1/2] ufs: introduce a callback to get info of command completion Date: Wed, 27 Jan 2021 12:38:22 +0900 Message-Id: <893c09bb91db01a105f0325ab5ff2e6c652ebfab.1611718633.git.kwmad.kim@samsung.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: In-Reply-To: X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprLJsWRmVeSWpSXmKPExsWy7bCmme7TRwIJBkuvKlo8mLeNzWJv2wl2 i5c/r7JZHHzYyWLxdekzVotpH34yW3xav4zV4tff9ewWqxc/YLFYdGMbk8XNLUdZLLqv72Cz WH78H5NF190bjBZL/71lceD3uHzF2+NyXy+Tx4RFBxg9vq/vYPP4+PQWi0ffllWMHp83yXm0 H+hmCuCIyrHJSE1MSS1SSM1Lzk/JzEu3VfIOjneONzUzMNQ1tLQwV1LIS8xNtVVy8QnQdcvM ATpeSaEsMacUKBSQWFyspG9nU5RfWpKqkJFfXGKrlFqQklNgaFigV5yYW1yal66XnJ9rZWhg YGQKVJmQk7HmzUrmgjcCFccfGTUwNvB1MXJySAiYSPQt3c7excjFISSwg1Hi7dHJzBDOJ0aJ j+3bmEGqhAS+MUosviMD03Fkcx8rRNFeRon/l7+wQDg/GCWOP5vHDlLFJqAp8fTmVCaQhIjA GSaJa61nWUESzALqErsmnGACsYUFQiU2LN0AFmcRUJXYdnMyI4jNKxAt0TrpLyvEOjmJm+c6 gc7g4OAUsJR4vtsAhckFVDGTQ6JvwkU2iHIXidtd/5kgbGGJV8e3sEPYUhKf3+2FqqmX2De1 gRWiuYdR4um+f4wQCWOJWc/aGUEWMAM9sH6XPogpIaAsceQWC8T1fBIdh/+yQ4R5JTrahCAa lSV+TZoMNURSYubNO1BbPSQWHpnJCAkeoE3TL+xnnMAoPwthwQJGxlWMYqkFxbnpqcVGBUbI cbeJEZxOtdx2ME55+0HvECMTB+MhRgkOZiUR3vfKAglCvCmJlVWpRfnxRaU5qcWHGE2BwTiR WUo0OR+Y0PNK4g1NjczMDCxNLUzNjCyUxHmLDR7ECwmkJ5akZqemFqQWwfQxcXBKNTCpsykr /Hq85tsH+3qzl1s1lm/OcpnOrTojJas1s5/9+ffsw2psfFJ9h88nZyQck5BLf6urelac5VS5 8+bwuSyrLjz+AdS6bmHW08OFy1ZdOsx4a/sRg+kK94uLOOffn7MqfdvjkkKjDROKJzW87/MM r3j7rMAi+db0XseGCSsn9PAUTWrO+5v/p+y/LgO/pueUWJlCy/jkLV1pxtsmPn1dd3j7qgrN 4zbPfT9uLz0VIBL5KJPBRsv4+Q85x2XxS7esbD+2+0aLXYJC8R1/zclLphuva8p/d+9hfEvo 5ElH50+UnrOjX/ORxwOL4qfNbzaFqN7hUFnuHB9ZvvjEzmeL+AV38v+e+NTmWv3tXVxKLMUZ iYZazEXFiQCYwLYSMAQAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrILMWRmVeSWpSXmKPExsWy7bCSvO7TRwIJBu2nmCwezNvGZrG37QS7 xcufV9ksDj7sZLH4uvQZq8W0Dz+ZLT6tX8Zq8evvenaL1YsfsFgsurGNyeLmlqMsFt3Xd7BZ LD/+j8mi6+4NRoul/96yOPB7XL7i7XG5r5fJY8KiA4we39d3sHl8fHqLxaNvyypGj8+b5Dza D3QzBXBEcdmkpOZklqUW6dslcGWsebOSueCNQMXxR0YNjA18XYycHBICJhJHNvexgthCArsZ Jbq6FCDikhIndj5nhLCFJe63HIGq+cYo8ewWC4jNJqAp8fTmVKYuRi4OEYF7TBKXJsxlBkkw C6hL7JpwggnEFhYIlvg0fyNYA4uAqsS2m5PBhvIKREu0TvrLCrFATuLmuU6gXg4OTgFLiee7 DSB2WUjcvLKSFYfwBEaBBYwMqxglUwuKc9Nziw0LDPNSy/WKE3OLS/PS9ZLzczcxgmNBS3MH 4/ZVH/QOMTJxMB5ilOBgVhLhfa8skCDEm5JYWZValB9fVJqTWnyIUZqDRUmc90LXyXghgfTE ktTs1NSC1CKYLBMHp1QD045WXuMqkcPNezjnygkWBpV/yAuzMujtfrFw5voj3Vs/iZV3nzp1 +roh9+MjfxhU9Sca3jV/svzH061Pg9p2Js1/OmkT55P+hXyP3p/5K3fabnbi+nX9ki3Kkz7u +tQ7OUCOk1P25/vZM0O1/lxPrDoXtM33UP0bsV1M3Vl9lf//PK7/ZLRJVkr/f+bFKKHueY+L TkxNTSv8fEn596HfB4pb+DcV3ruc9lfEIEllkVN2qIz+ecGzL4RfXDr3Q2bqzcmx+xedfrXy rm6l/LSqRSH8PPcXGDNcjbx5geto9lT323NWPi7/ytW/6vvdhoyJC+e3VYUc8WE8nsbRsOif U9vXuvSfJ7a8ZFG97lR74qOtEktxRqKhFnNRcSIA2Uu+uPQCAAA= X-CMS-MailID: 20210127034957epcas2p3d9e58c70424505b05b8c6b9d6f7cf095 X-Msg-Generator: CA X-Sendblock-Type: AUTO_CONFIDENTIAL CMS-TYPE: 102P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20210127034957epcas2p3d9e58c70424505b05b8c6b9d6f7cf095 References: Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Some SoC specific might need command history for various reasons, such as stacking command contexts in system memory to check for debugging in the future or scaling some DVFS knobs to boost IO throughput. What you would do with the information could be variant per SoC vendor. Signed-off-by: Kiwoong Kim Acked-by: Stanley Chu Reviewed-by: Avri Altman --- drivers/scsi/ufs/ufshcd.c | 1 + drivers/scsi/ufs/ufshcd.h | 8 ++++++++ 2 files changed, 9 insertions(+) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 9c691e4..af0548a 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -5093,6 +5093,7 @@ static void __ufshcd_transfer_req_compl(struct ufs_hba *hba, lrbp->in_use = false; lrbp->compl_time_stamp = ktime_get(); cmd = lrbp->cmd; + ufshcd_vops_compl_xfer_req(hba, index, (cmd) ? true : false); if (cmd) { ufshcd_add_command_trace(hba, index, UFS_CMD_COMP); result = ufshcd_transfer_rsp_status(hba, lrbp); diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index ee61f82..0178365 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -343,6 +343,7 @@ struct ufs_hba_variant_ops { struct ufs_pa_layer_attr *, struct ufs_pa_layer_attr *); void (*setup_xfer_req)(struct ufs_hba *, int, bool); + void (*compl_xfer_req)(struct ufs_hba *hba, int tag, bool is_scsi); void (*setup_task_mgmt)(struct ufs_hba *, int, u8); void (*hibern8_notify)(struct ufs_hba *, enum uic_cmd_dme, enum ufs_notify_change_status); @@ -1199,6 +1200,13 @@ static inline void ufshcd_vops_setup_xfer_req(struct ufs_hba *hba, int tag, return hba->vops->setup_xfer_req(hba, tag, is_scsi_cmd); } +static inline void ufshcd_vops_compl_xfer_req(struct ufs_hba *hba, + int tag, bool is_scsi) +{ + if (hba->vops && hba->vops->compl_xfer_req) + hba->vops->compl_xfer_req(hba, tag, is_scsi); +} + static inline void ufshcd_vops_setup_task_mgmt(struct ufs_hba *hba, int tag, u8 tm_function) {