diff options
Diffstat (limited to 'drivers/scsi/cxlflash/sislite.h')
| -rw-r--r-- | drivers/scsi/cxlflash/sislite.h | 124 |
1 files changed, 80 insertions, 44 deletions
diff --git a/drivers/scsi/cxlflash/sislite.h b/drivers/scsi/cxlflash/sislite.h index a6e48a893fef..a768360d2fa6 100644 --- a/drivers/scsi/cxlflash/sislite.h +++ b/drivers/scsi/cxlflash/sislite.h @@ -90,15 +90,15 @@ struct sisl_rc { #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 */ @@ -111,11 +111,11 @@ struct sisl_rc { */ #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 */ @@ -149,8 +149,9 @@ struct sisl_rc { #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 */ }; @@ -227,10 +228,10 @@ struct sisl_ioasa { /* 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 @@ -292,28 +293,54 @@ struct sisl_ctrl_map { /* single copy global regs */ struct sisl_global_regs { __be64 aintr_status; - /* In cxlflash, each FC port/link gets a byte of status */ -#define SISL_ASTATUS_FC0_OTHER 0x8000ULL /* b48, other err, - FC_ERRCAP[31:20] */ -#define SISL_ASTATUS_FC0_LOGO 0x4000ULL /* b49, target sent FLOGI/PLOGI/LOGO - while logged in */ -#define SISL_ASTATUS_FC0_CRC_T 0x2000ULL /* b50, CRC threshold exceeded */ -#define SISL_ASTATUS_FC0_LOGI_R 0x1000ULL /* b51, login state machine timed out - and retrying */ -#define SISL_ASTATUS_FC0_LOGI_F 0x0800ULL /* b52, login failed, - FC_ERROR[19:0] */ -#define SISL_ASTATUS_FC0_LOGI_S 0x0400ULL /* b53, login succeeded */ -#define SISL_ASTATUS_FC0_LINK_DN 0x0200ULL /* b54, link online to offline */ -#define SISL_ASTATUS_FC0_LINK_UP 0x0100ULL /* b55, link offline to online */ - -#define SISL_ASTATUS_FC1_OTHER 0x0080ULL /* b56 */ -#define SISL_ASTATUS_FC1_LOGO 0x0040ULL /* b57 */ -#define SISL_ASTATUS_FC1_CRC_T 0x0020ULL /* b58 */ -#define SISL_ASTATUS_FC1_LOGI_R 0x0010ULL /* b59 */ -#define SISL_ASTATUS_FC1_LOGI_F 0x0008ULL /* b60 */ -#define SISL_ASTATUS_FC1_LOGI_S 0x0004ULL /* b61 */ -#define SISL_ASTATUS_FC1_LINK_DN 0x0002ULL /* b62 */ -#define SISL_ASTATUS_FC1_LINK_UP 0x0001ULL /* b63 */ + /* + * In cxlflash, FC port/link are arranged in port pairs, each + * gets a byte of status: + * + * *_OTHER: other err, FC_ERRCAP[31:20] + * *_LOGO: target sent FLOGI/PLOGI/LOGO while logged in + * *_CRC_T: CRC threshold exceeded + * *_LOGI_R: login state machine timed out and retrying + * *_LOGI_F: login failed, FC_ERROR[19:0] + * *_LOGI_S: login succeeded + * *_LINK_DN: link online to offline + * *_LINK_UP: link offline to online + */ +#define SISL_ASTATUS_FC2_OTHER 0x80000000ULL /* b32 */ +#define SISL_ASTATUS_FC2_LOGO 0x40000000ULL /* b33 */ +#define SISL_ASTATUS_FC2_CRC_T 0x20000000ULL /* b34 */ +#define SISL_ASTATUS_FC2_LOGI_R 0x10000000ULL /* b35 */ +#define SISL_ASTATUS_FC2_LOGI_F 0x08000000ULL /* b36 */ +#define SISL_ASTATUS_FC2_LOGI_S 0x04000000ULL /* b37 */ +#define SISL_ASTATUS_FC2_LINK_DN 0x02000000ULL /* b38 */ +#define SISL_ASTATUS_FC2_LINK_UP 0x01000000ULL /* b39 */ + +#define SISL_ASTATUS_FC3_OTHER 0x00800000ULL /* b40 */ +#define SISL_ASTATUS_FC3_LOGO 0x00400000ULL /* b41 */ +#define SISL_ASTATUS_FC3_CRC_T 0x00200000ULL /* b42 */ +#define SISL_ASTATUS_FC3_LOGI_R 0x00100000ULL /* b43 */ +#define SISL_ASTATUS_FC3_LOGI_F 0x00080000ULL /* b44 */ +#define SISL_ASTATUS_FC3_LOGI_S 0x00040000ULL /* b45 */ +#define SISL_ASTATUS_FC3_LINK_DN 0x00020000ULL /* b46 */ +#define SISL_ASTATUS_FC3_LINK_UP 0x00010000ULL /* b47 */ + +#define SISL_ASTATUS_FC0_OTHER 0x00008000ULL /* b48 */ +#define SISL_ASTATUS_FC0_LOGO 0x00004000ULL /* b49 */ +#define SISL_ASTATUS_FC0_CRC_T 0x00002000ULL /* b50 */ +#define SISL_ASTATUS_FC0_LOGI_R 0x00001000ULL /* b51 */ +#define SISL_ASTATUS_FC0_LOGI_F 0x00000800ULL /* b52 */ +#define SISL_ASTATUS_FC0_LOGI_S 0x00000400ULL /* b53 */ +#define SISL_ASTATUS_FC0_LINK_DN 0x00000200ULL /* b54 */ +#define SISL_ASTATUS_FC0_LINK_UP 0x00000100ULL /* b55 */ + +#define SISL_ASTATUS_FC1_OTHER 0x00000080ULL /* b56 */ +#define SISL_ASTATUS_FC1_LOGO 0x00000040ULL /* b57 */ +#define SISL_ASTATUS_FC1_CRC_T 0x00000020ULL /* b58 */ +#define SISL_ASTATUS_FC1_LOGI_R 0x00000010ULL /* b59 */ +#define SISL_ASTATUS_FC1_LOGI_F 0x00000008ULL /* b60 */ +#define SISL_ASTATUS_FC1_LOGI_S 0x00000004ULL /* b61 */ +#define SISL_ASTATUS_FC1_LINK_DN 0x00000002ULL /* b62 */ +#define SISL_ASTATUS_FC1_LINK_UP 0x00000001ULL /* b63 */ #define SISL_FC_INTERNAL_UNMASK 0x0000000300000000ULL /* 1 means unmasked */ #define SISL_FC_INTERNAL_MASK ~(SISL_FC_INTERNAL_UNMASK) @@ -325,7 +352,7 @@ struct sisl_global_regs { #define SISL_STATUS_SHUTDOWN_ACTIVE 0x0000000000000010ULL #define SISL_STATUS_SHUTDOWN_COMPLETE 0x0000000000000020ULL -#define SISL_ASTATUS_UNMASK 0xFFFFULL /* 1 means unmasked */ +#define SISL_ASTATUS_UNMASK 0xFFFFFFFFULL /* 1 means unmasked */ #define SISL_ASTATUS_MASK ~(SISL_ASTATUS_UNMASK) /* 1 means masked */ __be64 aintr_clear; @@ -367,9 +394,18 @@ struct sisl_global_regs { #define SISL_INTVER_CAP_RESERVED_CMD_MODE_B 0x100000000000ULL }; -#define CXLFLASH_NUM_FC_PORTS 2 -#define CXLFLASH_MAX_CONTEXT 512 /* how many contexts per afu */ -#define CXLFLASH_NUM_VLUNS 512 +#define CXLFLASH_NUM_FC_PORTS_PER_BANK 2 /* fixed # of ports per bank */ +#define CXLFLASH_MAX_FC_BANKS 2 /* max # of banks supported */ +#define CXLFLASH_MAX_FC_PORTS (CXLFLASH_NUM_FC_PORTS_PER_BANK * \ + CXLFLASH_MAX_FC_BANKS) +#define CXLFLASH_MAX_CONTEXT 512 /* number of contexts per AFU */ +#define CXLFLASH_NUM_VLUNS 512 /* number of vluns per AFU/port */ +#define CXLFLASH_NUM_REGS 512 /* number of registers per port */ + +struct fc_port_bank { + __be64 fc_port_regs[CXLFLASH_NUM_FC_PORTS_PER_BANK][CXLFLASH_NUM_REGS]; + __be64 fc_port_luns[CXLFLASH_NUM_FC_PORTS_PER_BANK][CXLFLASH_NUM_VLUNS]; +}; struct sisl_global_map { union { @@ -379,11 +415,9 @@ struct sisl_global_map { char page1[SIZE_4K]; /* page 1 */ - /* pages 2 & 3 */ - __be64 fc_regs[CXLFLASH_NUM_FC_PORTS][CXLFLASH_NUM_VLUNS]; + struct fc_port_bank bank[CXLFLASH_MAX_FC_BANKS]; /* pages 2 - 9 */ - /* pages 4 & 5 (lun tbl) */ - __be64 fc_port[CXLFLASH_NUM_FC_PORTS][CXLFLASH_NUM_VLUNS]; + /* pages 10 - 15 are reserved */ }; @@ -402,7 +436,7 @@ struct sisl_global_map { * | 64 KB Global | * | Trusted Process accessible | * +-------------------------------+ -*/ + */ struct cxlflash_afu_map { union { struct sisl_host_map host; @@ -478,7 +512,9 @@ struct sisl_rht_entry_f1 { #define PORT0 0x01U #define PORT1 0x02U -#define BOTH_PORTS (PORT0 | PORT1) +#define PORT2 0x04U +#define PORT3 0x08U +#define PORT_MASK(_n) ((1 << (_n)) - 1) /* AFU Sync Mode byte */ #define AFU_LW_SYNC 0x0U |