diff options
Diffstat (limited to 'drivers/s390/cio/chsc.h')
| -rw-r--r-- | drivers/s390/cio/chsc.h | 210 |
1 files changed, 171 insertions, 39 deletions
diff --git a/drivers/s390/cio/chsc.h b/drivers/s390/cio/chsc.h index ba59bceace9..76c9b50700b 100644 --- a/drivers/s390/cio/chsc.h +++ b/drivers/s390/cio/chsc.h @@ -3,17 +3,14 @@ #include <linux/types.h> #include <linux/device.h> +#include <asm/css_chars.h> #include <asm/chpid.h> #include <asm/chsc.h> #include <asm/schid.h> +#include <asm/qdio.h> #define CHSC_SDA_OC_MSS 0x2 -struct chsc_header { - u16 length; - u16 code; -} __attribute__ ((packed)); - #define NR_MEASUREMENT_CHARS 5 struct cmg_chars { u32 values[NR_MEASUREMENT_CHARS]; @@ -24,42 +21,26 @@ struct cmg_entry { u32 values[NR_MEASUREMENT_ENTRIES]; } __attribute__ ((packed)); -struct channel_path_desc { +struct channel_path_desc_fmt1 { u8 flags; u8 lsn; u8 desc; u8 chpid; - u8 swla; - u8 zeroes; - u8 chla; + u32:24; u8 chpp; + u32 unused[2]; + u16 chid; + u32:16; + u16 mdc; + u16:13; + u8 r:1; + u8 s:1; + u8 f:1; + u32 zeros[2]; } __attribute__ ((packed)); struct channel_path; -struct css_general_char { - u64 : 12; - u32 dynio : 1; /* bit 12 */ - u32 : 28; - u32 aif : 1; /* bit 41 */ - u32 : 3; - u32 mcss : 1; /* bit 45 */ - u32 fcs : 1; /* bit 46 */ - u32 : 1; - u32 ext_mb : 1; /* bit 48 */ - u32 : 7; - u32 aif_tdd : 1; /* bit 56 */ - u32 : 1; - u32 qebsm : 1; /* bit 58 */ - u32 : 8; - u32 aif_osa : 1; /* bit 67 */ - u32 : 14; - u32 cib : 1; /* bit 82 */ - u32 : 5; - u32 fcx : 1; /* bit 88 */ - u32 : 7; -}__attribute__((packed)); - struct css_chsc_char { u64 res; u64 : 20; @@ -69,10 +50,11 @@ struct css_chsc_char { u32 : 20; u32 scssc : 1; /* bit 107 */ u32 scsscf : 1; /* bit 108 */ - u32 : 19; + u32:7; + u32 pnso:1; /* bit 116 */ + u32:11; }__attribute__((packed)); -extern struct css_general_char css_general_characteristics; extern struct css_chsc_char css_chsc_characteristics; struct chsc_ssd_info { @@ -81,26 +63,176 @@ struct chsc_ssd_info { struct chp_id chpid[8]; u16 fla[8]; }; + +struct chsc_ssqd_area { + struct chsc_header request; + u16:10; + u8 ssid:2; + u8 fmt:4; + u16 first_sch; + u16:16; + u16 last_sch; + u32:32; + struct chsc_header response; + u32:32; + struct qdio_ssqd_desc qdio_ssqd; +} __packed; + +struct chsc_scssc_area { + struct chsc_header request; + u16 operation_code; + u16:16; + u32:32; + u32:32; + u64 summary_indicator_addr; + u64 subchannel_indicator_addr; + u32 ks:4; + u32 kc:4; + u32:21; + u32 isc:3; + u32 word_with_d_bit; + u32:32; + struct subchannel_id schid; + u32 reserved[1004]; + struct chsc_header response; + u32:32; +} __packed; + +struct chsc_scpd { + struct chsc_header request; + u32:2; + u32 m:1; + u32 c:1; + u32 fmt:4; + u32 cssid:8; + u32:4; + u32 rfmt:4; + u32 first_chpid:8; + u32:24; + u32 last_chpid:8; + u32 zeroes1; + struct chsc_header response; + u8 data[PAGE_SIZE - 20]; +} __attribute__ ((packed)); + + extern int chsc_get_ssd_info(struct subchannel_id schid, struct chsc_ssd_info *ssd); extern int chsc_determine_css_characteristics(void); -extern int chsc_alloc_sei_area(void); -extern void chsc_free_sei_area(void); +extern int chsc_init(void); +extern void chsc_init_cleanup(void); extern int chsc_enable_facility(int); struct channel_subsystem; extern int chsc_secm(struct channel_subsystem *, int); +int __chsc_do_secm(struct channel_subsystem *css, int enable); int chsc_chp_vary(struct chp_id chpid, int on); int chsc_determine_channel_path_desc(struct chp_id chpid, int fmt, int rfmt, - int c, int m, - struct chsc_response_struct *resp); + int c, int m, void *page); int chsc_determine_base_channel_path_desc(struct chp_id chpid, struct channel_path_desc *desc); +int chsc_determine_fmt1_channel_path_desc(struct chp_id chpid, + struct channel_path_desc_fmt1 *desc); void chsc_chp_online(struct chp_id chpid); void chsc_chp_offline(struct chp_id chpid); int chsc_get_channel_measurement_chars(struct channel_path *chp); - +int chsc_ssqd(struct subchannel_id schid, struct chsc_ssqd_area *ssqd); +int chsc_sadc(struct subchannel_id schid, struct chsc_scssc_area *scssc, + u64 summary_indicator_addr, u64 subchannel_indicator_addr); int chsc_error_from_response(int response); +int chsc_siosl(struct subchannel_id schid); + +/* Functions and definitions to query storage-class memory. */ +struct sale { + u64 sa; + u32 p:4; + u32 op_state:4; + u32 data_state:4; + u32 rank:4; + u32 r:1; + u32:7; + u32 rid:8; + u32:32; +} __packed; + +struct chsc_scm_info { + struct chsc_header request; + u32:32; + u64 reqtok; + u32 reserved1[4]; + struct chsc_header response; + u64:56; + u8 rq; + u32 mbc; + u64 msa; + u16 is; + u16 mmc; + u32 mci; + u64 nr_scm_ini; + u64 nr_scm_unini; + u32 reserved2[10]; + u64 restok; + struct sale scmal[248]; +} __packed; + +int chsc_scm_info(struct chsc_scm_info *scm_area, u64 token); + +struct chsc_brinfo_resume_token { + u64 t1; + u64 t2; +} __packed; + +struct chsc_brinfo_naihdr { + struct chsc_brinfo_resume_token resume_token; + u32:32; + u32 instance; + u32:24; + u8 naids; + u32 reserved[3]; +} __packed; + +struct chsc_pnso_area { + struct chsc_header request; + u8:2; + u8 m:1; + u8:5; + u8:2; + u8 ssid:2; + u8 fmt:4; + u16 sch; + u8:8; + u8 cssid; + u16:16; + u8 oc; + u32:24; + struct chsc_brinfo_resume_token resume_token; + u32 n:1; + u32:31; + u32 reserved[3]; + struct chsc_header response; + u32:32; + struct chsc_brinfo_naihdr naihdr; + union { + struct qdio_brinfo_entry_l3_ipv6 l3_ipv6[0]; + struct qdio_brinfo_entry_l3_ipv4 l3_ipv4[0]; + struct qdio_brinfo_entry_l2 l2[0]; + } entries; +} __packed; + +int chsc_pnso_brinfo(struct subchannel_id schid, + struct chsc_pnso_area *brinfo_area, + struct chsc_brinfo_resume_token resume_token, + int cnc); + +#ifdef CONFIG_SCM_BUS +int scm_update_information(void); +int scm_process_availability_information(void); +#else /* CONFIG_SCM_BUS */ +static inline int scm_update_information(void) { return 0; } +static inline int scm_process_availability_information(void) { return 0; } +#endif /* CONFIG_SCM_BUS */ + + #endif |