scsi: fnic: fnic devcmd2 interface definitions
This patch adds the fnic devcmd2 command structre and the command result structure definitions. Signed-off-by: Satish Kharat <satishkh@cisco.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Satish Kharat
Martin K. Petersen
Родитель
18244e9445
Коммит
5ed827a62f
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@ -170,7 +170,8 @@ enum vnic_devcmd_cmd {
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/* variant of CMD_INIT, with provisioning info
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* (u64)a0=paddr of vnic_devcmd_provinfo
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* (u32)a1=sizeof provision info */
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* (u32)a1=sizeof provision info
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*/
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CMD_INIT_PROV_INFO = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 27),
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/* enable virtual link */
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@ -262,7 +263,125 @@ enum vnic_devcmd_cmd {
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* non-zero for resetting vlan to the default
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* out: (u16)a0=old default vlan
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*/
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CMD_SET_DEFAULT_VLAN = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 46)
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CMD_SET_DEFAULT_VLAN = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 46),
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/* init_prov_info2:
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* Variant of CMD_INIT_PROV_INFO, where it will not try to enable
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* the vnic until CMD_ENABLE2 is issued.
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* (u64)a0=paddr of vnic_devcmd_provinfo
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* (u32)a1=sizeof provision info
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*/
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CMD_INIT_PROV_INFO2 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 47),
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/* enable2:
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* (u32)a0=0 ==> standby
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* =CMD_ENABLE2_ACTIVE ==> active
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*/
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CMD_ENABLE2 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 48),
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/*
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* cmd_status:
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* Returns the status of the specified command
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* Input:
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* a0 = command for which status is being queried.
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* Possible values are:
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* CMD_SOFT_RESET
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* CMD_HANG_RESET
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* CMD_OPEN
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* CMD_INIT
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* CMD_INIT_PROV_INFO
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* CMD_DEINIT
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* CMD_INIT_PROV_INFO2
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* CMD_ENABLE2
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* Output:
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* if status == STAT_ERROR
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* a0 = ERR_ENOTSUPPORTED - status for command in a0 is
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* not supported
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* if status == STAT_NONE
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* a0 = status of the devcmd specified in a0 as follows.
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* ERR_SUCCESS - command in a0 completed successfully
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* ERR_EINPROGRESS - command in a0 is still in progress
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*/
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CMD_STATUS = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 49),
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/*
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* Returns interrupt coalescing timer conversion factors.
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* After calling this devcmd, ENIC driver can convert
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* interrupt coalescing timer in usec into CPU cycles as follows:
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*
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* intr_timer_cycles = intr_timer_usec * multiplier / divisor
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*
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* Interrupt coalescing timer in usecs can be be converted/obtained
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* from CPU cycles as follows:
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*
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* intr_timer_usec = intr_timer_cycles * divisor / multiplier
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*
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* in: none
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* out: (u32)a0 = multiplier
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* (u32)a1 = divisor
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* (u32)a2 = maximum timer value in usec
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*/
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CMD_INTR_COAL_CONVERT = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 50),
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/*
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* ISCSI DUMP API:
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* in: (u64)a0=paddr of the param or param itself
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* (u32)a1=ISCSI_CMD_xxx
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*/
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CMD_ISCSI_DUMP_REQ = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 51),
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/*
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* ISCSI DUMP STATUS API:
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* in: (u32)a0=cmd tag
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* in: (u32)a1=ISCSI_CMD_xxx
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* out: (u32)a0=cmd status
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*/
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CMD_ISCSI_DUMP_STATUS = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 52),
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/*
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* Subvnic migration from MQ <--> VF.
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* Enable the LIF migration from MQ to VF and vice versa. MQ and VF
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* indexes are statically bound at the time of initialization.
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* Based on the
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* direction of migration, the resources of either MQ or the VF shall
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* be attached to the LIF.
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* in: (u32)a0=Direction of Migration
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* 0=> Migrate to VF
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* 1=> Migrate to MQ
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* (u32)a1=VF index (MQ index)
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*/
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CMD_MIGRATE_SUBVNIC = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 53),
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/*
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* Register / Deregister the notification block for MQ subvnics
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* in:
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* (u64)a0=paddr to notify (set paddr=0 to unset)
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* (u32)a1 & 0x00000000ffffffff=sizeof(struct vnic_devcmd_notify)
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* (u16)a1 & 0x0000ffff00000000=intr num (-1 for no intr)
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* out:
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* (u32)a1 = effective size
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*/
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CMD_SUBVNIC_NOTIFY = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 54),
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/*
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* Set the predefined mac address as default
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* in:
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* (u48)a0=mac addr
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*/
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CMD_SET_MAC_ADDR = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 55),
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/* Update the provisioning info of the given VIF
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* (u64)a0=paddr of vnic_devcmd_provinfo
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* (u32)a1=sizeof provision info
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*/
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CMD_PROV_INFO_UPDATE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 56),
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/*
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* Initialization for the devcmd2 interface.
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* in: (u64) a0=host result buffer physical address
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* in: (u16) a1=number of entries in result buffer
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*/
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CMD_INITIALIZE_DEVCMD2 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 57)
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};
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/* flags for CMD_OPEN */
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@ -347,4 +466,39 @@ struct vnic_devcmd {
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u64 args[VNIC_DEVCMD_NARGS]; /* RW cmd args (little-endian) */
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};
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/*
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* Version 2 of the interface.
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*
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* Some things are carried over, notably the vnic_devcmd_cmd enum.
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*/
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/*
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* Flags for vnic_devcmd2.flags
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*/
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#define DEVCMD2_FNORESULT 0x1 /* Don't copy result to host */
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#define VNIC_DEVCMD2_NARGS VNIC_DEVCMD_NARGS
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struct vnic_devcmd2 {
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u16 pad;
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u16 flags;
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u32 cmd; /* same command #defines as original */
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u64 args[VNIC_DEVCMD2_NARGS];
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};
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#define VNIC_DEVCMD2_NRESULTS VNIC_DEVCMD_NARGS
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struct devcmd2_result {
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u64 results[VNIC_DEVCMD2_NRESULTS];
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u32 pad;
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u16 completed_index; /* into copy WQ */
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u8 error; /* same error codes as original */
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u8 color; /* 0 or 1 as with completion queues */
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};
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#define DEVCMD2_RING_SIZE 32
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#define DEVCMD2_DESC_SIZE 128
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#define DEVCMD2_RESULTS_SIZE_MAX ((1 << 16) - 1)
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#endif /* _VNIC_DEVCMD_H_ */
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@ -41,6 +41,13 @@ enum vnic_res_type {
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RES_TYPE_RSVD7,
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RES_TYPE_DEVCMD, /* Device command region */
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RES_TYPE_PASS_THRU_PAGE, /* Pass-thru page */
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RES_TYPE_SUBVNIC, /* subvnic resource type */
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RES_TYPE_MQ_WQ, /* MQ Work queues */
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RES_TYPE_MQ_RQ, /* MQ Receive queues */
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RES_TYPE_MQ_CQ, /* MQ Completion queues */
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RES_TYPE_DEPRECATED1, /* Old version of devcmd 2 */
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RES_TYPE_DEPRECATED2, /* Old version of devcmd 2 */
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RES_TYPE_DEVCMD2, /* Device control region */
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RES_TYPE_MAX, /* Count of resource types */
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};
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