[006/117] target: Use enum sam_status instead of u8

Message ID	20210420000845.25873-7-bvanassche@acm.org
State	New
Headers	show Return-Path: <linux-scsi-owner@kernel.org> From: Bart Van Assche <bvanassche@acm.org> To: "Martin K . Petersen" <martin.petersen@oracle.com>, "James E . J . Bottomley" <jejb@linux.vnet.ibm.com> Cc: linux-scsi@vger.kernel.org, Christoph Hellwig <hch@lst.de>, Bart Van Assche <bvanassche@acm.org>, Mike Christie <michael.christie@oracle.com> Subject: [PATCH 006/117] target: Use enum sam_status instead of u8 Date: Mon, 19 Apr 2021 17:06:54 -0700 Message-Id: <20210420000845.25873-7-bvanassche@acm.org> In-Reply-To: <20210420000845.25873-1-bvanassche@acm.org> References: <20210420000845.25873-1-bvanassche@acm.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk
Series	Make better use of static type checking \| expand [000/117] Make better use of static type checking [002/117] Introduce enums for the SAM, message, host and driver status codes [004/117] libiscsi: Use the host_status enum [006/117] target: Use enum sam_status instead of u8 [007/117] lpfc: Reformat four comparisons [010/117] ufs: Add a compile-time structure size check [012/117] block: Convert SCSI and bsg code to the scsi_status union [013/117] core: Convert to the scsi_status union [017/117] st: Convert to the scsi_status union [018/117] sg: Convert to the scsi_status union [020/117] 53c700: Convert to the scsi_status union [022/117] NCR5380: Convert to the scsi_status union [024/117] aacraid: Convert to the scsi_status union [027/117] advansys: Convert to the scsi_status union [028/117] aha*: Convert to the scsi_status union [030/117] arcmsr: Convert to the scsi_status union [032/117] atp870u: Convert to the scsi_status union [034/117] bfa: Use type int32_t to represent a signed integer [036/117] bnx2fc: Convert to the scsi_status union [039/117] cxlflash: Convert to the scsi_status union [040/117] dc395x: Use the set_{host,msg,status}_byte() functions [042/117] dpt_i2o: Convert to the scsi_status union [043/117] esas2r: Convert to the scsi_status union [046/117] fas216: Convert to the scsi_status union [048/117] fdomain: Convert to the scsi_status union [050/117] fnic: Convert to the scsi_status union [052/117] hptiop: Convert to the scsi_status union [054/117] ibmvfc: Fix the documentation of the return value of ibmvfc_host_chkready() [056/117] ibmvscsi: Convert to the scsi_status union [058/117] imm: Convert to the scsi_status union [060/117] ipr: Convert to the scsi_status union [062/117] iscsi: Convert to the scsi_status union [064/117] sas: Convert to the scsi_status union [065/117] lpfc: Convert to the scsi_status union [068/117] mesh: Convert to the scsi_status union [070/117] mpt3sas: Convert to the scsi_status union [072/117] myrb: Convert to the scsi_status union [074/117] ncr53c8xx: Convert to the scsi_status union [075/117] nfsd: Convert to the scsi_status union [077/117] pcmcia: Convert to the scsi_status union [081/117] ps3rom: Convert to the scsi_status union [082/117] qedf: Convert to the scsi_status union [084/117] qla1280: Convert to the scsi_status union [086/117] qla4xxx: Convert to the scsi_status union [088/117] qlogicpti: Convert to the scsi_status union [090/117] scsi_debug: Convert to the scsi_status union [091/117] smartpqi: Convert to the scsi_status union [093/117] staging: Convert to the scsi_status union [095/117] storvsc: Convert to the scsi_status union [097/117] target: Convert to the scsi_status union [100/117] ufs: Use enum sam_status where appropriate [101/117] ufs: Remove an assignment from ufshcd_transfer_rsp_status() [103/117] usb: Convert to the scsi_status union [105/117] vmw_pvscsi: Convert to the scsi_status union [107/117] wd719x: Convert to the scsi_status union [108/117] xen-scsiback: Pass union status to the {status,msg,host,driver}_byte() macros [111/117] Use the scsi_status union more widely [113/117] Change the return type of scsi_execute_req() into union scsi_status [115/117] Change the return types of scsi_mode_sense() and sd_do_mode_sense() [117/117] Change the return type of ioctl_internal_command() into union scsi_status

diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/tcm_loop.c index 2687fd7d45db..66ea91c52175 100644 --- a/drivers/target/loopback/tcm_loop.c +++ b/drivers/target/loopback/tcm_loop.c @@ -550,7 +550,7 @@ static int tcm_loop_write_pending(struct se_cmd *se_cmd) } static int tcm_loop_queue_data_or_status(const char *func, - struct se_cmd *se_cmd, u8 scsi_status) + struct se_cmd *se_cmd, enum sam_status scsi_status) { struct tcm_loop_cmd *tl_cmd = container_of(se_cmd, struct tcm_loop_cmd, tl_se_cmd); diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c index 5517c7dd5144..3bb921345bce 100644 --- a/drivers/target/target_core_alua.c +++ b/drivers/target/target_core_alua.c @@ -123,7 +123,7 @@ target_emulate_report_referrals(struct se_cmd *cmd) transport_kunmap_data_sg(cmd); - target_complete_cmd(cmd, GOOD); + target_complete_cmd(cmd, SAM_STAT_GOOD); return 0; } @@ -255,7 +255,7 @@ target_emulate_report_target_port_groups(struct se_cmd *cmd) } transport_kunmap_data_sg(cmd); - target_complete_cmd_with_length(cmd, GOOD, rd_len + 4); + target_complete_cmd_with_length(cmd, SAM_STAT_GOOD, rd_len + 4); return 0; } @@ -424,7 +424,7 @@ target_emulate_set_target_port_groups(struct se_cmd *cmd) out: transport_kunmap_data_sg(cmd); if (!rc) - target_complete_cmd(cmd, GOOD); + target_complete_cmd(cmd, SAM_STAT_GOOD); return rc; } diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c index d6fdd1c61f90..deb2b8b64d20 100644 --- a/drivers/target/target_core_iblock.c +++ b/drivers/target/target_core_iblock.c @@ -474,7 +474,7 @@ iblock_execute_zero_out(struct block_device *bdev, struct se_cmd *cmd) if (ret) return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; - target_complete_cmd(cmd, GOOD); + target_complete_cmd(cmd, SAM_STAT_GOOD); return 0; } diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c index 6fd5fec95539..4b94b085625b 100644 --- a/drivers/target/target_core_pr.c +++ b/drivers/target/target_core_pr.c @@ -234,7 +234,7 @@ target_scsi2_reservation_release(struct se_cmd *cmd) out_unlock: spin_unlock(&dev->dev_reservation_lock); out: - target_complete_cmd(cmd, GOOD); + target_complete_cmd(cmd, SAM_STAT_GOOD); return 0; } @@ -297,7 +297,7 @@ target_scsi2_reservation_reserve(struct se_cmd *cmd) spin_unlock(&dev->dev_reservation_lock); out: if (!ret) - target_complete_cmd(cmd, GOOD); + target_complete_cmd(cmd, SAM_STAT_GOOD); return ret; } @@ -3676,7 +3676,7 @@ target_scsi3_emulate_pr_out(struct se_cmd *cmd) } if (!ret) - target_complete_cmd(cmd, GOOD); + target_complete_cmd(cmd, SAM_STAT_GOOD); return ret; } @@ -4073,7 +4073,7 @@ target_scsi3_emulate_pr_in(struct se_cmd *cmd) } if (!ret) - target_complete_cmd(cmd, GOOD); + target_complete_cmd(cmd, SAM_STAT_GOOD); return ret; } diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c index dac44caf77a3..fd617bc4113e 100644 --- a/drivers/target/target_core_pscsi.c +++ b/drivers/target/target_core_pscsi.c @@ -588,7 +588,7 @@ static void pscsi_destroy_device(struct se_device *dev) } } -static void pscsi_complete_cmd(struct se_cmd *cmd, u8 scsi_status, +static void pscsi_complete_cmd(struct se_cmd *cmd, enum sam_status scsi_status, unsigned char *req_sense) { struct pscsi_dev_virt *pdv = PSCSI_DEV(cmd->se_dev); @@ -1044,7 +1044,7 @@ static void pscsi_req_done(struct request *req, blk_status_t status) struct se_cmd *cmd = req->end_io_data; struct pscsi_plugin_task *pt = cmd->priv; int result = scsi_req(req)->result; - u8 scsi_status = status_byte(result) << 1; + enum sam_status scsi_status = status_byte(result) << 1; if (scsi_status != SAM_STAT_GOOD) { pr_debug("PSCSI Status Byte exception at cmd: %p CDB:" diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c index 7b07e557dc8d..b32f4ee88e79 100644 --- a/drivers/target/target_core_sbc.c +++ b/drivers/target/target_core_sbc.c @@ -67,7 +67,7 @@ sbc_emulate_readcapacity(struct se_cmd *cmd) transport_kunmap_data_sg(cmd); } - target_complete_cmd_with_length(cmd, GOOD, 8); + target_complete_cmd_with_length(cmd, SAM_STAT_GOOD, 8); return 0; } @@ -130,7 +130,7 @@ sbc_emulate_readcapacity_16(struct se_cmd *cmd) transport_kunmap_data_sg(cmd); } - target_complete_cmd_with_length(cmd, GOOD, 32); + target_complete_cmd_with_length(cmd, SAM_STAT_GOOD, 32); return 0; } @@ -202,14 +202,14 @@ sbc_execute_write_same_unmap(struct se_cmd *cmd) return ret; } - target_complete_cmd(cmd, GOOD); + target_complete_cmd(cmd, SAM_STAT_GOOD); return 0; } static sense_reason_t sbc_emulate_noop(struct se_cmd *cmd) { - target_complete_cmd(cmd, GOOD); + target_complete_cmd(cmd, SAM_STAT_GOOD); return 0; } @@ -1245,7 +1245,7 @@ sbc_execute_unmap(struct se_cmd *cmd) err: transport_kunmap_data_sg(cmd); if (!ret) - target_complete_cmd(cmd, GOOD); + target_complete_cmd(cmd, SAM_STAT_GOOD); return ret; } diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c index 70a661801cb9..0756a690ea84 100644 --- a/drivers/target/target_core_spc.c +++ b/drivers/target/target_core_spc.c @@ -750,7 +750,7 @@ spc_emulate_inquiry(struct se_cmd *cmd) kfree(buf); if (!ret) - target_complete_cmd_with_length(cmd, GOOD, len); + target_complete_cmd_with_length(cmd, SAM_STAT_GOOD, len); return ret; } @@ -1104,7 +1104,7 @@ static sense_reason_t spc_emulate_modesense(struct se_cmd *cmd) transport_kunmap_data_sg(cmd); } - target_complete_cmd_with_length(cmd, GOOD, length); + target_complete_cmd_with_length(cmd, SAM_STAT_GOOD, length); return 0; } @@ -1122,7 +1122,7 @@ static sense_reason_t spc_emulate_modeselect(struct se_cmd *cmd) int i; if (!cmd->data_length) { - target_complete_cmd(cmd, GOOD); + target_complete_cmd(cmd, SAM_STAT_GOOD); return 0; } @@ -1165,7 +1165,7 @@ static sense_reason_t spc_emulate_modeselect(struct se_cmd *cmd) transport_kunmap_data_sg(cmd); if (!ret) - target_complete_cmd(cmd, GOOD); + target_complete_cmd(cmd, SAM_STAT_GOOD); return ret; } @@ -1198,7 +1198,7 @@ static sense_reason_t spc_emulate_request_sense(struct se_cmd *cmd) memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length)); transport_kunmap_data_sg(cmd); - target_complete_cmd(cmd, GOOD); + target_complete_cmd(cmd, SAM_STAT_GOOD); return 0; } @@ -1265,7 +1265,7 @@ sense_reason_t spc_emulate_report_luns(struct se_cmd *cmd) transport_kunmap_data_sg(cmd); } - target_complete_cmd_with_length(cmd, GOOD, 8 + lun_count * 8); + target_complete_cmd_with_length(cmd, SAM_STAT_GOOD, 8 + lun_count * 8); return 0; } EXPORT_SYMBOL(spc_emulate_report_luns); @@ -1273,7 +1273,7 @@ EXPORT_SYMBOL(spc_emulate_report_luns); static sense_reason_t spc_emulate_testunitready(struct se_cmd *cmd) { - target_complete_cmd(cmd, GOOD); + target_complete_cmd(cmd, SAM_STAT_GOOD); return 0; } diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 8fbfe75c5744..b55db3a1f94b 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -855,7 +855,7 @@ static bool target_cmd_interrupted(struct se_cmd *cmd) } /* May be called from interrupt context so must not sleep. */ -void target_complete_cmd(struct se_cmd *cmd, u8 scsi_status) +void target_complete_cmd(struct se_cmd *cmd, enum sam_status scsi_status) { struct se_wwn *wwn = cmd->se_sess->se_tpg->se_tpg_wwn; int success, cpu; @@ -910,7 +910,8 @@ void target_set_cmd_data_length(struct se_cmd *cmd, int length) } EXPORT_SYMBOL(target_set_cmd_data_length); -void target_complete_cmd_with_length(struct se_cmd *cmd, u8 scsi_status, int length) +void target_complete_cmd_with_length(struct se_cmd *cmd, + enum sam_status scsi_status, int length) { if (scsi_status == SAM_STAT_GOOD || cmd->se_cmd_flags & SCF_TREAT_READ_AS_NORMAL) { diff --git a/drivers/target/target_core_xcopy.c b/drivers/target/target_core_xcopy.c index d31ed071cb08..44d76c304701 100644 --- a/drivers/target/target_core_xcopy.c +++ b/drivers/target/target_core_xcopy.c @@ -1011,7 +1011,7 @@ static sense_reason_t target_rcr_operating_parameters(struct se_cmd *se_cmd) put_unaligned_be32(42, &p[0]); transport_kunmap_data_sg(se_cmd); - target_complete_cmd(se_cmd, GOOD); + target_complete_cmd(se_cmd, SAM_STAT_GOOD); return TCM_NO_SENSE; } diff --git a/include/target/target_core_backend.h b/include/target/target_core_backend.h index 1f78b09bba55..15e1db779bce 100644 --- a/include/target/target_core_backend.h +++ b/include/target/target_core_backend.h @@ -73,9 +73,9 @@ struct sbc_ops { int transport_backend_register(const struct target_backend_ops *); void target_backend_unregister(const struct target_backend_ops *); -void target_complete_cmd(struct se_cmd *, u8); +void target_complete_cmd(struct se_cmd *, enum sam_status); void target_set_cmd_data_length(struct se_cmd *, int); -void target_complete_cmd_with_length(struct se_cmd *, u8, int); +void target_complete_cmd_with_length(struct se_cmd *, enum sam_status, int); void transport_copy_sense_to_cmd(struct se_cmd *, unsigned char *); diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h index d1f7d2a45354..68accab36b3e 100644 --- a/include/target/target_core_base.h +++ b/include/target/target_core_base.h @@ -8,6 +8,7 @@ #include <linux/percpu-refcount.h> #include <linux/semaphore.h> /* struct semaphore */ #include <linux/completion.h> +#include <scsi/scsi_proto.h> #define TARGET_CORE_VERSION "v5.0" @@ -453,7 +454,7 @@ enum target_core_dif_check { struct se_cmd { /* SAM response code being sent to initiator */ - u8 scsi_status; + enum sam_status scsi_status; u8 scsi_asc; u8 scsi_ascq; u16 scsi_sense_length;

[006/117] target: Use enum sam_status instead of u8

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Patch