diff options
Diffstat (limited to 'drivers/s390/net/ism.h')
| -rw-r--r-- | drivers/s390/net/ism.h | 53 |
1 files changed, 51 insertions, 2 deletions
diff --git a/drivers/s390/net/ism.h b/drivers/s390/net/ism.h index 047fa6101555..08d17956cb36 100644 --- a/drivers/s390/net/ism.h +++ b/drivers/s390/net/ism.h @@ -5,11 +5,13 @@ #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. @@ -32,6 +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; @@ -65,6 +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; @@ -174,6 +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]; @@ -188,6 +224,19 @@ struct ism_sba { u16 dmbe_mask[ISM_NR_DMBS]; }; +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_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)) |