#define PORTMASK2CHAN(_x) (ilog2((_x))) /* port mask to channel */
#define PORTNUM2CHAN(_x) ((_x) - 1) /* port number to channel */
-#define CXLFLASH_BLOCK_SIZE 4096 /* 4K blocks */
+#define CXLFLASH_BLOCK_SIZE 4096 /* 4K blocks */
#define CXLFLASH_MAX_XFER_SIZE 16777216 /* 16MB transfer */
#define CXLFLASH_MAX_SECTORS (CXLFLASH_MAX_XFER_SIZE/512) /* SCSI wants
- max_sectors
- in units of
- 512 byte
- sectors
- */
+ * max_sectors
+ * in units of
+ * 512 byte
+ * sectors
+ */
#define MAX_RHT_PER_CONTEXT (PAGE_SIZE / sizeof(struct sisl_rht_entry))
/* AFU command retry limit */
-#define MC_RETRY_CNT 5 /* sufficient for SCSI check and
- certain AFU errors */
+#define MC_RETRY_CNT 5 /* Sufficient for SCSI and certain AFU errors */
/* Command management definitions */
#define CXLFLASH_MAX_CMDS 256
return &fcpb->fc_port_luns[CHAN2BANKPORT(i)][0];
}
-int cxlflash_afu_sync(struct afu *, ctx_hndl_t, res_hndl_t, u8);
+int cxlflash_afu_sync(struct afu *afu, ctx_hndl_t c, res_hndl_t r, u8 mode);
void cxlflash_list_init(void);
void cxlflash_term_global_luns(void);
void cxlflash_free_errpage(void);
-int cxlflash_ioctl(struct scsi_device *, int, void __user *);
-void cxlflash_stop_term_user_contexts(struct cxlflash_cfg *);
-int cxlflash_mark_contexts_error(struct cxlflash_cfg *);
-void cxlflash_term_local_luns(struct cxlflash_cfg *);
-void cxlflash_restore_luntable(struct cxlflash_cfg *);
+int cxlflash_ioctl(struct scsi_device *sdev, int cmd, void __user *arg);
+void cxlflash_stop_term_user_contexts(struct cxlflash_cfg *cfg);
+int cxlflash_mark_contexts_error(struct cxlflash_cfg *cfg);
+void cxlflash_term_local_luns(struct cxlflash_cfg *cfg);
+void cxlflash_restore_luntable(struct cxlflash_cfg *cfg);
#endif /* ifndef _CXLFLASH_COMMON_H */
#define SISL_AFU_RC_RHT_UNALIGNED 0x02U /* should never happen */
#define SISL_AFU_RC_RHT_OUT_OF_BOUNDS 0x03u /* user error */
#define SISL_AFU_RC_RHT_DMA_ERR 0x04u /* see afu_extra
- may retry if afu_retry is off
- possible on master exit
+ * may retry if afu_retry is off
+ * possible on master exit
*/
#define SISL_AFU_RC_RHT_RW_PERM 0x05u /* no RW perms, user error */
#define SISL_AFU_RC_LXT_UNALIGNED 0x12U /* should never happen */
#define SISL_AFU_RC_LXT_OUT_OF_BOUNDS 0x13u /* user error */
#define SISL_AFU_RC_LXT_DMA_ERR 0x14u /* see afu_extra
- may retry if afu_retry is off
- possible on master exit
+ * may retry if afu_retry is off
+ * possible on master exit
*/
#define SISL_AFU_RC_LXT_RW_PERM 0x15u /* no RW perms, user error */
*/
#define SISL_AFU_RC_NO_CHANNELS 0x20U /* see afu_extra, may retry */
#define SISL_AFU_RC_CAP_VIOLATION 0x21U /* either user error or
- afu reset/master restart
+ * afu reset/master restart
*/
#define SISL_AFU_RC_OUT_OF_DATA_BUFS 0x30U /* always retry */
#define SISL_AFU_RC_DATA_DMA_ERR 0x31U /* see afu_extra
- may retry if afu_retry is off
+ * may retry if afu_retry is off
*/
u8 scsi_rc; /* SCSI status byte, retry as appropriate */
#define SISL_FC_RC_ABORTFAIL 0x59 /* pending abort completed w/fail */
#define SISL_FC_RC_RESID 0x5A /* ioasa underrun/overrun flags set */
#define SISL_FC_RC_RESIDERR 0x5B /* actual data len does not match SCSI
- reported len, possibly due to dropped
- frames */
+ * reported len, possibly due to dropped
+ * frames
+ */
#define SISL_FC_RC_TGTABORT 0x5C /* command aborted by target */
};
/* per context host transport MMIO */
struct sisl_host_map {
- __be64 endian_ctrl; /* Per context Endian Control. The AFU will
- * operate on whatever the context is of the
- * host application.
- */
+ __be64 endian_ctrl; /* Per context Endian Control. The AFU will
+ * operate on whatever the context is of the
+ * host application.
+ */
__be64 intr_status; /* this sends LISN# programmed in ctx_ctrl.
* Only recovery in a PERM_ERR is a context
* | 64 KB Global |
* | Trusted Process accessible |
* +-------------------------------+
-*/
+ */
struct cxlflash_afu_map {
union {
struct sisl_host_map host;
*/
/* Chunk size parms: note sislite minimum chunk size is
- 0x10000 LBAs corresponding to a NMASK or 16.
-*/
+ * 0x10000 LBAs corresponding to a NMASK or 16.
+ */
#define MC_CHUNK_SIZE (1 << MC_RHT_NMASK) /* in LBAs */
#define CMD_TIMEOUT 30 /* 30 secs */
struct ctx_info {
struct sisl_ctrl_map __iomem *ctrl_map; /* initialized at startup */
struct sisl_rht_entry *rht_start; /* 1 page (req'd for alignment),
- alloc/free on attach/detach */
+ * alloc/free on attach/detach
+ */
u32 rht_out; /* Number of checked out RHT entries */
u32 rht_perms; /* User-defined permissions for RHT entries */
struct llun_info **rht_lun; /* Mapping of RHT entries to LUNs */
struct page *err_page; /* One page of all 0xF for error notification */
};
-int cxlflash_vlun_resize(struct scsi_device *, struct dk_cxlflash_resize *);
-int _cxlflash_vlun_resize(struct scsi_device *, struct ctx_info *,
- struct dk_cxlflash_resize *);
+int cxlflash_vlun_resize(struct scsi_device *sdev,
+ struct dk_cxlflash_resize *resize);
+int _cxlflash_vlun_resize(struct scsi_device *sdev, struct ctx_info *ctxi,
+ struct dk_cxlflash_resize *resize);
-int cxlflash_disk_release(struct scsi_device *, struct dk_cxlflash_release *);
-int _cxlflash_disk_release(struct scsi_device *, struct ctx_info *,
- struct dk_cxlflash_release *);
+int cxlflash_disk_release(struct scsi_device *sdev,
+ struct dk_cxlflash_release *release);
+int _cxlflash_disk_release(struct scsi_device *sdev, struct ctx_info *ctxi,
+ struct dk_cxlflash_release *release);
-int cxlflash_disk_clone(struct scsi_device *, struct dk_cxlflash_clone *);
+int cxlflash_disk_clone(struct scsi_device *sdev,
+ struct dk_cxlflash_clone *clone);
-int cxlflash_disk_virtual_open(struct scsi_device *, void *);
+int cxlflash_disk_virtual_open(struct scsi_device *sdev, void *arg);
-int cxlflash_lun_attach(struct glun_info *, enum lun_mode, bool);
-void cxlflash_lun_detach(struct glun_info *);
+int cxlflash_lun_attach(struct glun_info *gli, enum lun_mode mode, bool locked);
+void cxlflash_lun_detach(struct glun_info *gli);
-struct ctx_info *get_context(struct cxlflash_cfg *, u64, void *, enum ctx_ctrl);
-void put_context(struct ctx_info *);
+struct ctx_info *get_context(struct cxlflash_cfg *cfg, u64 rctxit, void *arg,
+ enum ctx_ctrl ctrl);
+void put_context(struct ctx_info *ctxi);
-struct sisl_rht_entry *get_rhte(struct ctx_info *, res_hndl_t,
- struct llun_info *);
+struct sisl_rht_entry *get_rhte(struct ctx_info *ctxi, res_hndl_t rhndl,
+ struct llun_info *lli);
-struct sisl_rht_entry *rhte_checkout(struct ctx_info *, struct llun_info *);
-void rhte_checkin(struct ctx_info *, struct sisl_rht_entry *);
+struct sisl_rht_entry *rhte_checkout(struct ctx_info *ctxi,
+ struct llun_info *lli);
+void rhte_checkin(struct ctx_info *ctxi, struct sisl_rht_entry *rhte);
-void cxlflash_ba_terminate(struct ba_lun *);
+void cxlflash_ba_terminate(struct ba_lun *ba_lun);
-int cxlflash_manage_lun(struct scsi_device *, struct dk_cxlflash_manage_lun *);
+int cxlflash_manage_lun(struct scsi_device *sdev,
+ struct dk_cxlflash_manage_lun *manage);
-int check_state(struct cxlflash_cfg *);
+int check_state(struct cxlflash_cfg *cfg);
#endif /* ifndef _CXLFLASH_SUPERPIPE_H */
* not stored anywhere.
*
* The LXT table is re-allocated whenever it needs to cross into another group.
-*/
+ */
#define LXT_GROUP_SIZE 8
#define LXT_NUM_GROUPS(lxt_cnt) (((lxt_cnt) + 7)/8) /* alloc'ed groups */
#define LXT_LUNIDX_SHIFT 8 /* LXT entry, shift for LUN index */
projects / mirror_ubuntu-zesty-kernel.git / commitdiff