scsi: cxlflash: Fix warnings/errors
As a general cleanup, address all reasonable checkpatch warnings and errors. These include enforcement of comment styles and including named identifiers in function prototypes. Signed-off-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com> Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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@ -39,17 +39,16 @@ extern const struct file_operations cxlflash_cxl_fops;
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#define CXLFLASH_BLOCK_SIZE 4096 /* 4K blocks */
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#define CXLFLASH_MAX_XFER_SIZE 16777216 /* 16MB transfer */
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#define CXLFLASH_MAX_SECTORS (CXLFLASH_MAX_XFER_SIZE/512) /* SCSI wants
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max_sectors
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in units of
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512 byte
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sectors
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* max_sectors
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* in units of
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* 512 byte
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* sectors
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*/
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#define MAX_RHT_PER_CONTEXT (PAGE_SIZE / sizeof(struct sisl_rht_entry))
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/* AFU command retry limit */
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#define MC_RETRY_CNT 5 /* sufficient for SCSI check and
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certain AFU errors */
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#define MC_RETRY_CNT 5 /* Sufficient for SCSI and certain AFU errors */
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/* Command management definitions */
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#define CXLFLASH_MAX_CMDS 256
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@ -262,14 +261,14 @@ static inline __be64 __iomem *get_fc_port_luns(struct cxlflash_cfg *cfg, int i)
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return &fcpb->fc_port_luns[CHAN2BANKPORT(i)][0];
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}
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int cxlflash_afu_sync(struct afu *, ctx_hndl_t, res_hndl_t, u8);
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int cxlflash_afu_sync(struct afu *afu, ctx_hndl_t c, res_hndl_t r, u8 mode);
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void cxlflash_list_init(void);
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void cxlflash_term_global_luns(void);
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void cxlflash_free_errpage(void);
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int cxlflash_ioctl(struct scsi_device *, int, void __user *);
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void cxlflash_stop_term_user_contexts(struct cxlflash_cfg *);
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int cxlflash_mark_contexts_error(struct cxlflash_cfg *);
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void cxlflash_term_local_luns(struct cxlflash_cfg *);
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void cxlflash_restore_luntable(struct cxlflash_cfg *);
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int cxlflash_ioctl(struct scsi_device *sdev, int cmd, void __user *arg);
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void cxlflash_stop_term_user_contexts(struct cxlflash_cfg *cfg);
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int cxlflash_mark_contexts_error(struct cxlflash_cfg *cfg);
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void cxlflash_term_local_luns(struct cxlflash_cfg *cfg);
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void cxlflash_restore_luntable(struct cxlflash_cfg *cfg);
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#endif /* ifndef _CXLFLASH_COMMON_H */
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@ -90,15 +90,15 @@ struct sisl_rc {
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#define SISL_AFU_RC_RHT_UNALIGNED 0x02U /* should never happen */
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#define SISL_AFU_RC_RHT_OUT_OF_BOUNDS 0x03u /* user error */
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#define SISL_AFU_RC_RHT_DMA_ERR 0x04u /* see afu_extra
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may retry if afu_retry is off
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possible on master exit
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* may retry if afu_retry is off
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* possible on master exit
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*/
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#define SISL_AFU_RC_RHT_RW_PERM 0x05u /* no RW perms, user error */
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#define SISL_AFU_RC_LXT_UNALIGNED 0x12U /* should never happen */
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#define SISL_AFU_RC_LXT_OUT_OF_BOUNDS 0x13u /* user error */
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#define SISL_AFU_RC_LXT_DMA_ERR 0x14u /* see afu_extra
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may retry if afu_retry is off
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possible on master exit
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* may retry if afu_retry is off
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* possible on master exit
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*/
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#define SISL_AFU_RC_LXT_RW_PERM 0x15u /* no RW perms, user error */
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@ -111,11 +111,11 @@ struct sisl_rc {
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*/
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#define SISL_AFU_RC_NO_CHANNELS 0x20U /* see afu_extra, may retry */
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#define SISL_AFU_RC_CAP_VIOLATION 0x21U /* either user error or
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afu reset/master restart
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* afu reset/master restart
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*/
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#define SISL_AFU_RC_OUT_OF_DATA_BUFS 0x30U /* always retry */
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#define SISL_AFU_RC_DATA_DMA_ERR 0x31U /* see afu_extra
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may retry if afu_retry is off
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* may retry if afu_retry is off
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*/
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u8 scsi_rc; /* SCSI status byte, retry as appropriate */
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@ -149,8 +149,9 @@ struct sisl_rc {
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#define SISL_FC_RC_ABORTFAIL 0x59 /* pending abort completed w/fail */
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#define SISL_FC_RC_RESID 0x5A /* ioasa underrun/overrun flags set */
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#define SISL_FC_RC_RESIDERR 0x5B /* actual data len does not match SCSI
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reported len, possibly due to dropped
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frames */
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* reported len, possibly due to dropped
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* frames
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*/
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#define SISL_FC_RC_TGTABORT 0x5C /* command aborted by target */
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};
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@ -435,7 +436,7 @@ struct sisl_global_map {
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* | 64 KB Global |
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* | Trusted Process accessible |
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* +-------------------------------+
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*/
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*/
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struct cxlflash_afu_map {
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union {
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struct sisl_host_map host;
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@ -24,8 +24,8 @@ extern struct cxlflash_global global;
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*/
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/* Chunk size parms: note sislite minimum chunk size is
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0x10000 LBAs corresponding to a NMASK or 16.
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*/
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* 0x10000 LBAs corresponding to a NMASK or 16.
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*/
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#define MC_CHUNK_SIZE (1 << MC_RHT_NMASK) /* in LBAs */
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#define CMD_TIMEOUT 30 /* 30 secs */
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@ -89,7 +89,8 @@ enum ctx_ctrl {
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struct ctx_info {
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struct sisl_ctrl_map __iomem *ctrl_map; /* initialized at startup */
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struct sisl_rht_entry *rht_start; /* 1 page (req'd for alignment),
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alloc/free on attach/detach */
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* alloc/free on attach/detach
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*/
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u32 rht_out; /* Number of checked out RHT entries */
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u32 rht_perms; /* User-defined permissions for RHT entries */
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struct llun_info **rht_lun; /* Mapping of RHT entries to LUNs */
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@ -117,34 +118,40 @@ struct cxlflash_global {
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struct page *err_page; /* One page of all 0xF for error notification */
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};
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int cxlflash_vlun_resize(struct scsi_device *, struct dk_cxlflash_resize *);
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int _cxlflash_vlun_resize(struct scsi_device *, struct ctx_info *,
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struct dk_cxlflash_resize *);
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int cxlflash_vlun_resize(struct scsi_device *sdev,
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struct dk_cxlflash_resize *resize);
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int _cxlflash_vlun_resize(struct scsi_device *sdev, struct ctx_info *ctxi,
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struct dk_cxlflash_resize *resize);
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int cxlflash_disk_release(struct scsi_device *, struct dk_cxlflash_release *);
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int _cxlflash_disk_release(struct scsi_device *, struct ctx_info *,
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struct dk_cxlflash_release *);
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int cxlflash_disk_release(struct scsi_device *sdev,
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struct dk_cxlflash_release *release);
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int _cxlflash_disk_release(struct scsi_device *sdev, struct ctx_info *ctxi,
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struct dk_cxlflash_release *release);
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int cxlflash_disk_clone(struct scsi_device *, struct dk_cxlflash_clone *);
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int cxlflash_disk_clone(struct scsi_device *sdev,
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struct dk_cxlflash_clone *clone);
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int cxlflash_disk_virtual_open(struct scsi_device *, void *);
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int cxlflash_disk_virtual_open(struct scsi_device *sdev, void *arg);
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int cxlflash_lun_attach(struct glun_info *, enum lun_mode, bool);
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void cxlflash_lun_detach(struct glun_info *);
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int cxlflash_lun_attach(struct glun_info *gli, enum lun_mode mode, bool locked);
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void cxlflash_lun_detach(struct glun_info *gli);
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struct ctx_info *get_context(struct cxlflash_cfg *, u64, void *, enum ctx_ctrl);
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void put_context(struct ctx_info *);
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struct ctx_info *get_context(struct cxlflash_cfg *cfg, u64 rctxit, void *arg,
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enum ctx_ctrl ctrl);
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void put_context(struct ctx_info *ctxi);
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struct sisl_rht_entry *get_rhte(struct ctx_info *, res_hndl_t,
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struct llun_info *);
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struct sisl_rht_entry *get_rhte(struct ctx_info *ctxi, res_hndl_t rhndl,
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struct llun_info *lli);
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struct sisl_rht_entry *rhte_checkout(struct ctx_info *, struct llun_info *);
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void rhte_checkin(struct ctx_info *, struct sisl_rht_entry *);
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struct sisl_rht_entry *rhte_checkout(struct ctx_info *ctxi,
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struct llun_info *lli);
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void rhte_checkin(struct ctx_info *ctxi, struct sisl_rht_entry *rhte);
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void cxlflash_ba_terminate(struct ba_lun *);
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void cxlflash_ba_terminate(struct ba_lun *ba_lun);
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int cxlflash_manage_lun(struct scsi_device *, struct dk_cxlflash_manage_lun *);
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int cxlflash_manage_lun(struct scsi_device *sdev,
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struct dk_cxlflash_manage_lun *manage);
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int check_state(struct cxlflash_cfg *);
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int check_state(struct cxlflash_cfg *cfg);
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#endif /* ifndef _CXLFLASH_SUPERPIPE_H */
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@ -47,7 +47,7 @@
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* not stored anywhere.
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*
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* The LXT table is re-allocated whenever it needs to cross into another group.
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*/
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*/
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#define LXT_GROUP_SIZE 8
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#define LXT_NUM_GROUPS(lxt_cnt) (((lxt_cnt) + 7)/8) /* alloc'ed groups */
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#define LXT_LUNIDX_SHIFT 8 /* LXT entry, shift for LUN index */
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