diff options
Diffstat (limited to 'drivers/s390/net/ism.h')
| -rw-r--r-- | drivers/s390/net/ism.h | 60 |
1 files changed, 51 insertions, 9 deletions
diff --git a/drivers/s390/net/ism.h b/drivers/s390/net/ism.h index 70c5bbda0fea..08d17956cb36 100644 --- a/drivers/s390/net/ism.h +++ b/drivers/s390/net/ism.h @@ -5,18 +5,19 @@ #include <linux/spinlock.h> #include <linux/types.h> #include <linux/pci.h> -#include <linux/ism.h> -#include <net/smc.h> +#include <linux/dibs.h> #include <asm/pci_insn.h> #define UTIL_STR_LEN 16 +#define ISM_ERROR 0xFFFF + +#define ISM_NR_DMBS 1920 /* * Do not use the first word of the DMB bits to ensure 8 byte aligned access. */ #define ISM_DMB_WORD_OFFSET 1 #define ISM_DMB_BIT_OFFSET (ISM_DMB_WORD_OFFSET * 32) -#define ISM_IDENT_MASK 0x00FFFF #define ISM_REG_SBA 0x1 #define ISM_REG_IEQ 0x2 @@ -33,6 +34,23 @@ #define ISM_UNREG_SBA 0x11 #define ISM_UNREG_IEQ 0x12 +enum ism_event_type { + ISM_EVENT_BUF = 0x00, + ISM_EVENT_DEV = 0x01, + ISM_EVENT_SWR = 0x02 +}; + +enum ism_event_code { + ISM_BUF_DMB_UNREGISTERED = 0x04, + ISM_BUF_USING_ISM_DEV_DISABLED = 0x08, + ISM_BUF_OWNING_ISM_DEV_IN_ERR_STATE = 0x02, + ISM_BUF_USING_ISM_DEV_IN_ERR_STATE = 0x03, + ISM_BUF_VLAN_MISMATCH_WITH_OWNER = 0x05, + ISM_BUF_VLAN_MISMATCH_WITH_USER = 0x06, + ISM_DEV_GID_DISABLED = 0x07, + ISM_DEV_GID_ERR_STATE = 0x01 +}; + struct ism_req_hdr { u32 cmd; u16 : 16; @@ -66,6 +84,15 @@ union ism_reg_ieq { } response; } __aligned(16); +/* ISM-vPCI devices provide 64 Bit GIDs + * Map them to ISM UUID GIDs like this: + * _________________________________________ + * | 64 Bit ISM-vPCI GID | 00000000_00000000 | + * ----------------------------------------- + * This will be interpreted as a UIID variant, that is reserved + * for NCS backward compatibility. So it will not collide with + * proper UUIDs. + */ union ism_read_gid { struct { struct ism_req_hdr hdr; @@ -175,6 +202,14 @@ struct ism_eq_header { u64 : 64; }; +struct ism_event { + u32 type; + u32 code; + u64 tok; + u64 time; + u64 info; +}; + struct ism_eq { struct ism_eq_header header; struct ism_event entry[15]; @@ -189,15 +224,22 @@ struct ism_sba { u16 dmbe_mask[ISM_NR_DMBS]; }; -#define ISM_CREATE_REQ(dmb, idx, sf, offset) \ - ((dmb) | (idx) << 24 | (sf) << 23 | (offset)) +struct ism_dev { + spinlock_t cmd_lock; /* serializes cmds */ + struct dibs_dev *dibs; + struct pci_dev *pdev; + struct ism_sba *sba; + dma_addr_t sba_dma_addr; + DECLARE_BITMAP(sba_bitmap, ISM_NR_DMBS); -struct ism_systemeid { - u8 seid_string[24]; - u8 serial_number[4]; - u8 type[4]; + struct ism_eq *ieq; + dma_addr_t ieq_dma_addr; + int ieq_idx; }; +#define ISM_CREATE_REQ(dmb, idx, sf, offset) \ + ((dmb) | (idx) << 24 | (sf) << 23 | (offset)) + static inline void __ism_read_cmd(struct ism_dev *ism, void *data, unsigned long offset, unsigned long len) { |