From f70575805708cabdedea7498aaa3f710fde4d920 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 03:29:01 +0000
Subject: [PATCH] add lvds1024*800
---
kernel/drivers/s390/block/dasd_eckd.h | 181 +++++++++++++++++++++++++++++++++++++-------
1 files changed, 151 insertions(+), 30 deletions(-)
diff --git a/kernel/drivers/s390/block/dasd_eckd.h b/kernel/drivers/s390/block/dasd_eckd.h
index 5869d2f..ca24a78 100644
--- a/kernel/drivers/s390/block/dasd_eckd.h
+++ b/kernel/drivers/s390/block/dasd_eckd.h
@@ -50,14 +50,24 @@
#define DASD_ECKD_CCW_PFX_READ 0xEA
#define DASD_ECKD_CCW_RSCK 0xF9
#define DASD_ECKD_CCW_RCD 0xFA
+#define DASD_ECKD_CCW_DSO 0xF7
+
+/* Define Subssystem Function / Orders */
+#define DSO_ORDER_RAS 0x81
+
+/*
+ * Perform Subsystem Function / Orders
+ */
+#define PSF_ORDER_PRSSD 0x18
+#define PSF_ORDER_CUIR_RESPONSE 0x1A
+#define PSF_ORDER_SSC 0x1D
/*
* Perform Subsystem Function / Sub-Orders
*/
-#define PSF_ORDER_PRSSD 0x18
-#define PSF_ORDER_CUIR_RESPONSE 0x1A
-#define PSF_SUBORDER_QHA 0x1C
-#define PSF_ORDER_SSC 0x1D
+#define PSF_SUBORDER_QHA 0x1C /* Query Host Access */
+#define PSF_SUBORDER_VSQ 0x52 /* Volume Storage Query */
+#define PSF_SUBORDER_LCQ 0x53 /* Logical Configuration Query */
/*
* CUIR response condition codes
@@ -80,10 +90,22 @@
#define CUIR_RESUME 0x02
/*
+ * Out-of-space (OOS) Codes
+ */
+#define REPO_WARN 0x01
+#define REPO_EXHAUST 0x02
+#define POOL_WARN 0x03
+#define POOL_EXHAUST 0x04
+#define REPO_RELIEVE 0x05
+#define POOL_RELIEVE 0x06
+
+/*
* attention message definitions
*/
#define ATTENTION_LENGTH_CUIR 0x0e
#define ATTENTION_FORMAT_CUIR 0x01
+#define ATTENTION_LENGTH_OOS 0x10
+#define ATTENTION_FORMAT_OOS 0x06
#define DASD_ECKD_PG_GROUPED 0x10
@@ -98,6 +120,12 @@
#define DASD_ECKD_PATH_THRHLD 256
#define DASD_ECKD_PATH_INTERVAL 300
+
+/*
+ * Maximum number of blocks to be chained
+ */
+#define DASD_ECKD_MAX_BLOCKS 190
+#define DASD_ECKD_MAX_BLOCKS_RAW 256
/*****************************************************************************
* SECTION: Type Definitions
@@ -116,33 +144,10 @@
__u16 head;
} __attribute__ ((packed));
-struct chs_t {
- __u16 cyl;
- __u16 head;
- __u32 sector;
-} __attribute__ ((packed));
-
struct chr_t {
__u16 cyl;
__u16 head;
__u8 record;
-} __attribute__ ((packed));
-
-struct geom_t {
- __u16 cyl;
- __u16 head;
- __u32 sector;
-} __attribute__ ((packed));
-
-struct eckd_home {
- __u8 skip_control[14];
- __u16 cell_number;
- __u8 physical_addr[3];
- __u8 flag;
- struct ch_t track_addr;
- __u8 reserved;
- __u8 key_length;
- __u8 reserved2[2];
} __attribute__ ((packed));
struct DE_eckd_data {
@@ -215,7 +220,7 @@
__u8 imbedded_count;
__u8 extended_operation;
__u16 extended_parameter_length;
- __u8 extended_parameter[0];
+ __u8 extended_parameter[];
} __attribute__ ((packed));
/* Prefix data for format 0x00 and 0x01 */
@@ -387,6 +392,86 @@
char messages[4087];
} __packed;
+/*
+ * Read Subsystem Data - Volume Storage Query
+ */
+struct dasd_rssd_vsq {
+ struct {
+ __u8 tse:1;
+ __u8 space_not_available:1;
+ __u8 ese:1;
+ __u8 unused:5;
+ } __packed vol_info;
+ __u8 unused1;
+ __u16 extent_pool_id;
+ __u8 warn_cap_limit;
+ __u8 warn_cap_guaranteed;
+ __u16 unused2;
+ __u32 limit_capacity;
+ __u32 guaranteed_capacity;
+ __u32 space_allocated;
+ __u32 space_configured;
+ __u32 logical_capacity;
+} __packed;
+
+/*
+ * Extent Pool Summary
+ */
+struct dasd_ext_pool_sum {
+ __u16 pool_id;
+ __u8 repo_warn_thrshld;
+ __u8 warn_thrshld;
+ struct {
+ __u8 type:1; /* 0 - CKD / 1 - FB */
+ __u8 track_space_efficient:1;
+ __u8 extent_space_efficient:1;
+ __u8 standard_volume:1;
+ __u8 extent_size_valid:1;
+ __u8 capacity_at_warnlevel:1;
+ __u8 pool_oos:1;
+ __u8 unused0:1;
+ __u8 unused1;
+ } __packed flags;
+ struct {
+ __u8 reserved0:1;
+ __u8 size_1G:1;
+ __u8 reserved1:5;
+ __u8 size_16M:1;
+ } __packed extent_size;
+ __u8 unused;
+} __packed;
+
+/*
+ * Read Subsystem Data-Response - Logical Configuration Query - Header
+ */
+struct dasd_rssd_lcq {
+ __u16 data_length; /* Length of data returned */
+ __u16 pool_count; /* Count of extent pools returned - Max: 448 */
+ struct {
+ __u8 pool_info_valid:1; /* Detailed Information valid */
+ __u8 pool_id_volume:1;
+ __u8 pool_id_cec:1;
+ __u8 unused0:5;
+ __u8 unused1;
+ } __packed header_flags;
+ char sfi_type[6]; /* Storage Facility Image Type (EBCDIC) */
+ char sfi_model[3]; /* Storage Facility Image Model (EBCDIC) */
+ __u8 sfi_seq_num[10]; /* Storage Facility Image Sequence Number */
+ __u8 reserved[7];
+ struct dasd_ext_pool_sum ext_pool_sum[448];
+} __packed;
+
+struct dasd_oos_message {
+ __u16 length;
+ __u8 format;
+ __u8 code;
+ __u8 percentage_empty;
+ __u8 reserved;
+ __u16 ext_pool_id;
+ __u16 token;
+ __u8 unused[6];
+} __packed;
+
struct dasd_cuir_message {
__u16 length;
__u8 format;
@@ -460,6 +545,42 @@
unsigned char suborder;
unsigned char reserved[59];
} __attribute__((packed));
+
+/* Maximum number of extents for a single Release Allocated Space command */
+#define DASD_ECKD_RAS_EXTS_MAX 110U
+
+struct dasd_dso_ras_ext_range {
+ struct ch_t beg_ext;
+ struct ch_t end_ext;
+} __packed;
+
+/*
+ * Define Subsytem Operation - Release Allocated Space
+ */
+struct dasd_dso_ras_data {
+ __u8 order;
+ struct {
+ __u8 message:1; /* Must be zero */
+ __u8 reserved1:2;
+ __u8 vol_type:1; /* 0 - CKD/FBA, 1 - FB */
+ __u8 reserved2:4;
+ } __packed flags;
+ /* Operation Flags to specify scope */
+ struct {
+ __u8 reserved1:2;
+ /* Release Space by Extent */
+ __u8 by_extent:1; /* 0 - entire volume, 1 - specified extents */
+ __u8 guarantee_init:1;
+ __u8 force_release:1; /* Internal - will be ignored */
+ __u16 reserved2:11;
+ } __packed op_flags;
+ __u8 lss;
+ __u8 dev_addr;
+ __u32 reserved1;
+ __u8 reserved2[10];
+ __u16 nr_exts; /* Defines number of ext_scope - max 110 */
+ __u16 reserved3;
+} __packed;
/*
@@ -551,6 +672,8 @@
int uses_cdl;
struct attrib_data_t attrib; /* e.g. cache operations */
struct dasd_rssd_features features;
+ struct dasd_rssd_vsq vsq;
+ struct dasd_ext_pool_sum eps;
u32 real_cyl;
/* alias managemnet */
@@ -572,7 +695,5 @@
struct dasd_device *dasd_alias_get_start_dev(struct dasd_device *);
void dasd_alias_handle_summary_unit_check(struct work_struct *);
void dasd_eckd_reset_ccw_to_base_io(struct dasd_ccw_req *);
-void dasd_alias_lcu_setup_complete(struct dasd_device *);
-void dasd_alias_wait_for_lcu_setup(struct dasd_device *);
int dasd_alias_update_add_device(struct dasd_device *);
#endif /* DASD_ECKD_H */
--
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