4 #include <linux/types.h>
5 #include <linux/device.h>
6 #include <asm/css_chars.h>
12 #define CHSC_SDA_OC_MSS 0x2
14 #define NR_MEASUREMENT_CHARS 5
16 u32 values
[NR_MEASUREMENT_CHARS
];
17 } __attribute__ ((packed
));
19 #define NR_MEASUREMENT_ENTRIES 8
21 u32 values
[NR_MEASUREMENT_ENTRIES
];
22 } __attribute__ ((packed
));
24 struct channel_path_desc_fmt1
{
40 } __attribute__ ((packed
));
44 struct css_chsc_char
{
47 u32 secm
: 1; /* bit 84 */
49 u32 scmc
: 1; /* bit 86 */
51 u32 scssc
: 1; /* bit 107 */
52 u32 scsscf
: 1; /* bit 108 */
54 u32 pnso
:1; /* bit 116 */
56 }__attribute__((packed
));
58 extern struct css_chsc_char css_chsc_characteristics
;
60 struct chsc_ssd_info
{
63 struct chp_id chpid
[8];
67 struct chsc_ssqd_area
{
68 struct chsc_header request
;
76 struct chsc_header response
;
78 struct qdio_ssqd_desc qdio_ssqd
;
81 struct chsc_scssc_area
{
82 struct chsc_header request
;
87 u64 summary_indicator_addr
;
88 u64 subchannel_indicator_addr
;
95 struct subchannel_id schid
;
97 struct chsc_header response
;
102 struct chsc_header request
;
114 struct chsc_header response
;
119 struct chsc_sda_area
{
120 struct chsc_header request
;
127 u32 operation_data_area
[252];
128 struct chsc_header response
;
132 } __packed
__aligned(PAGE_SIZE
);
134 extern int chsc_get_ssd_info(struct subchannel_id schid
,
135 struct chsc_ssd_info
*ssd
);
136 extern int chsc_determine_css_characteristics(void);
137 extern int chsc_init(void);
138 extern void chsc_init_cleanup(void);
140 int __chsc_enable_facility(struct chsc_sda_area
*sda_area
, int operation_code
);
141 extern int chsc_enable_facility(int);
142 struct channel_subsystem
;
143 extern int chsc_secm(struct channel_subsystem
*, int);
144 int __chsc_do_secm(struct channel_subsystem
*css
, int enable
);
146 int chsc_chp_vary(struct chp_id chpid
, int on
);
147 int chsc_determine_channel_path_desc(struct chp_id chpid
, int fmt
, int rfmt
,
148 int c
, int m
, void *page
);
149 int chsc_determine_base_channel_path_desc(struct chp_id chpid
,
150 struct channel_path_desc
*desc
);
151 int chsc_determine_fmt1_channel_path_desc(struct chp_id chpid
,
152 struct channel_path_desc_fmt1
*desc
);
153 void chsc_chp_online(struct chp_id chpid
);
154 void chsc_chp_offline(struct chp_id chpid
);
155 int chsc_get_channel_measurement_chars(struct channel_path
*chp
);
156 int chsc_ssqd(struct subchannel_id schid
, struct chsc_ssqd_area
*ssqd
);
157 int chsc_sadc(struct subchannel_id schid
, struct chsc_scssc_area
*scssc
,
158 u64 summary_indicator_addr
, u64 subchannel_indicator_addr
);
159 int chsc_error_from_response(int response
);
161 int chsc_siosl(struct subchannel_id schid
);
163 /* Functions and definitions to query storage-class memory. */
176 struct chsc_scm_info
{
177 struct chsc_header request
;
181 struct chsc_header response
;
193 struct sale scmal
[248];
196 int chsc_scm_info(struct chsc_scm_info
*scm_area
, u64 token
);
198 struct chsc_brinfo_resume_token
{
203 struct chsc_brinfo_naihdr
{
204 struct chsc_brinfo_resume_token resume_token
;
212 struct chsc_pnso_area
{
213 struct chsc_header request
;
226 struct chsc_brinfo_resume_token resume_token
;
230 struct chsc_header response
;
232 struct chsc_brinfo_naihdr naihdr
;
234 struct qdio_brinfo_entry_l3_ipv6 l3_ipv6
[0];
235 struct qdio_brinfo_entry_l3_ipv4 l3_ipv4
[0];
236 struct qdio_brinfo_entry_l2 l2
[0];
240 int chsc_pnso_brinfo(struct subchannel_id schid
,
241 struct chsc_pnso_area
*brinfo_area
,
242 struct chsc_brinfo_resume_token resume_token
,
245 int __init
chsc_get_cssid(int idx
);
247 #ifdef CONFIG_SCM_BUS
248 int scm_update_information(void);
249 int scm_process_availability_information(void);
250 #else /* CONFIG_SCM_BUS */
251 static inline int scm_update_information(void) { return 0; }
252 static inline int scm_process_availability_information(void) { return 0; }
253 #endif /* CONFIG_SCM_BUS */