From: Muneendra <muneendra.kumar@broadcom.com> To: linux-block@vger.kernel.org, linux-scsi@vger.kernel.org, tj@kernel.org, linux-nvme@lists.infradead.org Cc: jsmart2021@gmail.com, emilne@redhat.com, mkumar@redhat.com, pbonzini@redhat.com, Gaurav Srivastava <gaurav.srivastava@broadcom.com> Subject: [RFC v2 04/18] lpfc: vmid: Add the datastructure for supporting VMID in lpfc Date: Mon, 19 Oct 2020 13:12:59 +0530 [thread overview] Message-ID: <1603093393-12875-5-git-send-email-muneendra.kumar@broadcom.com> (raw) In-Reply-To: <1603093393-12875-1-git-send-email-muneendra.kumar@broadcom.com> [-- Attachment #1: Type: text/plain, Size: 5339 bytes --] From: Gaurav Srivastava <gaurav.srivastava@broadcom.com> This patch adds the primary datastructures needed to implement VMID in lpfc driver. It maintains the capability, current state, hash table for the vmid/appid along with other information. Signed-off-by: Gaurav Srivastava <gaurav.srivastava@broadcom.com> Signed-off-by: James Smart <jsmart2021@gmail.com> --- v2: Ported the patch on top of 5.10/scsi-queue Removed unused variable. --- drivers/scsi/lpfc/lpfc.h | 97 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 97 insertions(+) diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index 549adfaa97ce..8f0062d2b891 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -303,6 +303,63 @@ struct lpfc_stats { struct lpfc_hba; +#define LPFC_VMID_TIMER 300 /* timer interval in seconds. */ + +#define LPFC_MAX_VMID_SIZE 256 +#define LPFC_COMPRESS_VMID_SIZE 16 + +union lpfc_vmid_io_tag { + u32 app_id; /* App Id vmid */ + u8 cs_ctl_vmid; /* Priority tag vmid */ +}; + +#define JIFFIES_PER_HR (HZ * 60 * 60) + +struct lpfc_vmid { + u8 flag; +#define LPFC_VMID_SLOT_FREE 0x0 +#define LPFC_VMID_SLOT_USED 0x1 +#define LPFC_VMID_REQ_REGISTER 0x2 +#define LPFC_VMID_REGISTERED 0x4 +#define LPFC_VMID_DE_REGISTER 0x8 + u8 host_vmid[LPFC_MAX_VMID_SIZE]; + union lpfc_vmid_io_tag un; + u64 io_rd_cnt; + u64 io_wr_cnt; + u8 vmid_len; + u8 delete_inactive; /* Delete if inactive flag 0 = no, 1 = yes */ + u32 hash_index; + u64 __percpu *last_io_time; +}; + +#define lpfc_vmid_is_type_priority_tag(vport)\ + (vport->vmid_priority_tagging ? 1 : 0) + +#define LPFC_VMID_HASH_SIZE 256 +#define LPFC_VMID_HASH_MASK 255 +#define LPFC_VMID_HASH_SHIFT 6 + +struct lpfc_vmid_context { + struct lpfc_vmid *vmp; + struct lpfc_nodelist *nlp; + u8 instantiated; +}; + +struct lpfc_vmid_priority_range { + u8 low; + u8 high; + u8 qos; +}; + +struct lpfc_vmid_priority_info { + u32 num_descriptors; + struct lpfc_vmid_priority_range *vmid_range; +}; + +#define QFPA_EVEN_ONLY 0x01 +#define QFPA_ODD_ONLY 0x02 +#define QFPA_EVEN_ODD 0x03 + enum discovery_state { LPFC_VPORT_UNKNOWN = 0, /* vport state is unknown */ LPFC_VPORT_FAILED = 1, /* vport has failed */ @@ -442,6 +499,9 @@ struct lpfc_vport { #define WORKER_RAMP_DOWN_QUEUE 0x800 /* hba: Decrease Q depth */ #define WORKER_RAMP_UP_QUEUE 0x1000 /* hba: Increase Q depth */ #define WORKER_SERVICE_TXQ 0x2000 /* hba: IOCBs on the txq */ +#define WORKER_CHECK_INACTIVE_VMID 0x4000 /* hba: check inactive vmids */ +#define WORKER_CHECK_VMID_ISSUE_QFPA 0x8000 /* vport: Check if qfpa need */ + /* to issue */ struct timer_list els_tmofunc; struct timer_list delayed_disc_tmo; @@ -452,6 +512,8 @@ struct lpfc_vport { #define FC_LOADING 0x1 /* HBA in process of loading drvr */ #define FC_UNLOADING 0x2 /* HBA in process of unloading drvr */ #define FC_ALLOW_FDMI 0x4 /* port is ready for FDMI requests */ +#define FC_ALLOW_VMID 0x8 /* Allow VMID IO's */ +#define FC_DEREGISTER_ALL_APP_ID 0x10 /* Deregister all vmid's */ /* Vport Config Parameters */ uint32_t cfg_scan_down; uint32_t cfg_lun_queue_depth; @@ -470,9 +532,36 @@ struct lpfc_vport { uint32_t cfg_tgt_queue_depth; uint32_t cfg_first_burst_size; uint32_t dev_loss_tmo_changed; + /* VMID parameters */ + u8 lpfc_vmid_host_uuid[LPFC_COMPRESS_VMID_SIZE]; + u32 max_vmid; /* maximum VMIDs allowed per port */ + u32 cur_vmid_cnt; /* Current VMID count */ +#define LPFC_MIN_VMID 4 +#define LPFC_MAX_VMID 255 + u32 vmid_inactivity_timeout; /* Time after which the VMID */ + /* deregisters from switch */ + u32 vmid_priority_tagging; +#define LPFC_VMID_PRIO_TAG_DISABLE 0 /* Disable */ +#define LPFC_VMID_PRIO_TAG_SUP_TARGETS 1 /* Allow supported targets only */ +#define LPFC_VMID_PRIO_TAG_ALL_TARGETS 2 /* Allow all targets */ + unsigned long *vmid_priority_range; +#define LPFC_VMID_MAX_PRIORITY_RANGE 256 +#define LPFC_VMID_PRIORITY_BITMAP_SIZE 32 + u8 vmid_flag; +#define LPFC_VMID_IN_USE 0x1 +#define LPFC_VMID_ISSUE_QFPA 0x2 +#define LPFC_VMID_QFPA_CMPL 0x4 +#define LPFC_VMID_QOS_ENABLED 0x8 +#define LPFC_VMID_TIMER_ENBLD 0x10 + struct fc_qfpa_res *qfpa_res; struct fc_vport *fc_vport; + struct lpfc_vmid *vmid; + struct lpfc_vmid *hash_table[LPFC_VMID_HASH_SIZE]; + rwlock_t vmid_lock; + struct lpfc_vmid_priority_info vmid_priority; + #ifdef CONFIG_SCSI_LPFC_DEBUG_FS struct dentry *debug_disc_trc; struct dentry *debug_nodelist; @@ -925,6 +1014,13 @@ struct lpfc_hba { struct nvmet_fc_target_port *targetport; lpfc_vpd_t vpd; /* vital product data */ + u32 cfg_max_vmid; /* maximum VMIDs allowed per port */ + u32 cfg_vmid_app_header; +#define LPFC_VMID_APP_HEADER_DISABLE 0 +#define LPFC_VMID_APP_HEADER_ENABLE 1 + u32 cfg_vmid_priority_tagging; + u32 cfg_vmid_inactivity_timeout; /* Time after which the VMID */ + /* deregisters from switch */ struct pci_dev *pcidev; struct list_head work_list; uint32_t work_ha; /* Host Attention Bits for WT */ @@ -1168,6 +1264,7 @@ struct lpfc_hba { struct list_head ct_ev_waiters; struct unsol_rcv_ct_ctx ct_ctx[LPFC_CT_CTX_MAX]; uint32_t ctx_idx; + struct timer_list inactive_vmid_poll; /* RAS Support */ struct lpfc_ras_fwlog ras_fwlog; -- 2.26.2 [-- Attachment #2: S/MIME Cryptographic Signature --] [-- Type: application/pkcs7-signature, Size: 4177 bytes --]
WARNING: multiple messages have this Message-ID (diff)
From: Muneendra <muneendra.kumar@broadcom.com> To: linux-block@vger.kernel.org, linux-scsi@vger.kernel.org, tj@kernel.org, linux-nvme@lists.infradead.org Cc: pbonzini@redhat.com, jsmart2021@gmail.com, mkumar@redhat.com, emilne@redhat.com, Gaurav Srivastava <gaurav.srivastava@broadcom.com> Subject: [RFC v2 04/18] lpfc: vmid: Add the datastructure for supporting VMID in lpfc Date: Mon, 19 Oct 2020 13:12:59 +0530 [thread overview] Message-ID: <1603093393-12875-5-git-send-email-muneendra.kumar@broadcom.com> (raw) In-Reply-To: <1603093393-12875-1-git-send-email-muneendra.kumar@broadcom.com> [-- Attachment #1.1: Type: text/plain, Size: 5339 bytes --] From: Gaurav Srivastava <gaurav.srivastava@broadcom.com> This patch adds the primary datastructures needed to implement VMID in lpfc driver. It maintains the capability, current state, hash table for the vmid/appid along with other information. Signed-off-by: Gaurav Srivastava <gaurav.srivastava@broadcom.com> Signed-off-by: James Smart <jsmart2021@gmail.com> --- v2: Ported the patch on top of 5.10/scsi-queue Removed unused variable. --- drivers/scsi/lpfc/lpfc.h | 97 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 97 insertions(+) diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index 549adfaa97ce..8f0062d2b891 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -303,6 +303,63 @@ struct lpfc_stats { struct lpfc_hba; +#define LPFC_VMID_TIMER 300 /* timer interval in seconds. */ + +#define LPFC_MAX_VMID_SIZE 256 +#define LPFC_COMPRESS_VMID_SIZE 16 + +union lpfc_vmid_io_tag { + u32 app_id; /* App Id vmid */ + u8 cs_ctl_vmid; /* Priority tag vmid */ +}; + +#define JIFFIES_PER_HR (HZ * 60 * 60) + +struct lpfc_vmid { + u8 flag; +#define LPFC_VMID_SLOT_FREE 0x0 +#define LPFC_VMID_SLOT_USED 0x1 +#define LPFC_VMID_REQ_REGISTER 0x2 +#define LPFC_VMID_REGISTERED 0x4 +#define LPFC_VMID_DE_REGISTER 0x8 + u8 host_vmid[LPFC_MAX_VMID_SIZE]; + union lpfc_vmid_io_tag un; + u64 io_rd_cnt; + u64 io_wr_cnt; + u8 vmid_len; + u8 delete_inactive; /* Delete if inactive flag 0 = no, 1 = yes */ + u32 hash_index; + u64 __percpu *last_io_time; +}; + +#define lpfc_vmid_is_type_priority_tag(vport)\ + (vport->vmid_priority_tagging ? 1 : 0) + +#define LPFC_VMID_HASH_SIZE 256 +#define LPFC_VMID_HASH_MASK 255 +#define LPFC_VMID_HASH_SHIFT 6 + +struct lpfc_vmid_context { + struct lpfc_vmid *vmp; + struct lpfc_nodelist *nlp; + u8 instantiated; +}; + +struct lpfc_vmid_priority_range { + u8 low; + u8 high; + u8 qos; +}; + +struct lpfc_vmid_priority_info { + u32 num_descriptors; + struct lpfc_vmid_priority_range *vmid_range; +}; + +#define QFPA_EVEN_ONLY 0x01 +#define QFPA_ODD_ONLY 0x02 +#define QFPA_EVEN_ODD 0x03 + enum discovery_state { LPFC_VPORT_UNKNOWN = 0, /* vport state is unknown */ LPFC_VPORT_FAILED = 1, /* vport has failed */ @@ -442,6 +499,9 @@ struct lpfc_vport { #define WORKER_RAMP_DOWN_QUEUE 0x800 /* hba: Decrease Q depth */ #define WORKER_RAMP_UP_QUEUE 0x1000 /* hba: Increase Q depth */ #define WORKER_SERVICE_TXQ 0x2000 /* hba: IOCBs on the txq */ +#define WORKER_CHECK_INACTIVE_VMID 0x4000 /* hba: check inactive vmids */ +#define WORKER_CHECK_VMID_ISSUE_QFPA 0x8000 /* vport: Check if qfpa need */ + /* to issue */ struct timer_list els_tmofunc; struct timer_list delayed_disc_tmo; @@ -452,6 +512,8 @@ struct lpfc_vport { #define FC_LOADING 0x1 /* HBA in process of loading drvr */ #define FC_UNLOADING 0x2 /* HBA in process of unloading drvr */ #define FC_ALLOW_FDMI 0x4 /* port is ready for FDMI requests */ +#define FC_ALLOW_VMID 0x8 /* Allow VMID IO's */ +#define FC_DEREGISTER_ALL_APP_ID 0x10 /* Deregister all vmid's */ /* Vport Config Parameters */ uint32_t cfg_scan_down; uint32_t cfg_lun_queue_depth; @@ -470,9 +532,36 @@ struct lpfc_vport { uint32_t cfg_tgt_queue_depth; uint32_t cfg_first_burst_size; uint32_t dev_loss_tmo_changed; + /* VMID parameters */ + u8 lpfc_vmid_host_uuid[LPFC_COMPRESS_VMID_SIZE]; + u32 max_vmid; /* maximum VMIDs allowed per port */ + u32 cur_vmid_cnt; /* Current VMID count */ +#define LPFC_MIN_VMID 4 +#define LPFC_MAX_VMID 255 + u32 vmid_inactivity_timeout; /* Time after which the VMID */ + /* deregisters from switch */ + u32 vmid_priority_tagging; +#define LPFC_VMID_PRIO_TAG_DISABLE 0 /* Disable */ +#define LPFC_VMID_PRIO_TAG_SUP_TARGETS 1 /* Allow supported targets only */ +#define LPFC_VMID_PRIO_TAG_ALL_TARGETS 2 /* Allow all targets */ + unsigned long *vmid_priority_range; +#define LPFC_VMID_MAX_PRIORITY_RANGE 256 +#define LPFC_VMID_PRIORITY_BITMAP_SIZE 32 + u8 vmid_flag; +#define LPFC_VMID_IN_USE 0x1 +#define LPFC_VMID_ISSUE_QFPA 0x2 +#define LPFC_VMID_QFPA_CMPL 0x4 +#define LPFC_VMID_QOS_ENABLED 0x8 +#define LPFC_VMID_TIMER_ENBLD 0x10 + struct fc_qfpa_res *qfpa_res; struct fc_vport *fc_vport; + struct lpfc_vmid *vmid; + struct lpfc_vmid *hash_table[LPFC_VMID_HASH_SIZE]; + rwlock_t vmid_lock; + struct lpfc_vmid_priority_info vmid_priority; + #ifdef CONFIG_SCSI_LPFC_DEBUG_FS struct dentry *debug_disc_trc; struct dentry *debug_nodelist; @@ -925,6 +1014,13 @@ struct lpfc_hba { struct nvmet_fc_target_port *targetport; lpfc_vpd_t vpd; /* vital product data */ + u32 cfg_max_vmid; /* maximum VMIDs allowed per port */ + u32 cfg_vmid_app_header; +#define LPFC_VMID_APP_HEADER_DISABLE 0 +#define LPFC_VMID_APP_HEADER_ENABLE 1 + u32 cfg_vmid_priority_tagging; + u32 cfg_vmid_inactivity_timeout; /* Time after which the VMID */ + /* deregisters from switch */ struct pci_dev *pcidev; struct list_head work_list; uint32_t work_ha; /* Host Attention Bits for WT */ @@ -1168,6 +1264,7 @@ struct lpfc_hba { struct list_head ct_ev_waiters; struct unsol_rcv_ct_ctx ct_ctx[LPFC_CT_CTX_MAX]; uint32_t ctx_idx; + struct timer_list inactive_vmid_poll; /* RAS Support */ struct lpfc_ras_fwlog ras_fwlog; -- 2.26.2 [-- Attachment #1.2: S/MIME Cryptographic Signature --] [-- Type: application/pkcs7-signature, Size: 4177 bytes --] [-- Attachment #2: Type: text/plain, Size: 158 bytes --] _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme
next prev parent reply other threads:[~2020-10-19 14:36 UTC|newest] Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-10-19 7:42 [RFC v2 00/18] blkcg:Support to track FC storage blk io traffic Muneendra 2020-10-19 7:42 ` Muneendra 2020-10-19 7:42 ` [RFC v2 01/18] cgroup: Added cgroup_get_from_kernfs_id Muneendra 2020-10-19 7:42 ` Muneendra 2020-10-19 14:43 ` Tejun Heo 2020-10-19 14:43 ` Tejun Heo 2020-10-19 7:42 ` [RFC v2 02/18] blkcg: Added a app identifier support for blkcg Muneendra 2020-10-19 7:42 ` Muneendra 2020-10-19 14:46 ` Tejun Heo 2020-10-19 14:46 ` Tejun Heo 2020-10-19 15:13 ` Muneendra Kumar M 2020-10-19 15:13 ` Muneendra Kumar M 2020-10-19 15:19 ` Tejun Heo 2020-10-19 15:19 ` Tejun Heo 2020-10-19 15:20 ` Muneendra Kumar M 2020-10-19 15:20 ` Muneendra Kumar M 2020-10-19 7:42 ` [RFC v2 03/18] nvme: Added a newsysfs attribute appid_store Muneendra 2020-10-19 7:42 ` Muneendra 2020-10-19 17:14 ` kernel test robot 2020-10-19 7:42 ` Muneendra [this message] 2020-10-19 7:42 ` [RFC v2 04/18] lpfc: vmid: Add the datastructure for supporting VMID in lpfc Muneendra 2020-10-19 7:43 ` [RFC v2 05/18] lpfc: vmid: API to check if VMID is enabled Muneendra 2020-10-19 7:43 ` Muneendra 2020-10-19 7:43 ` [RFC v2 06/18] lpfc: vmid: Supplementary data structures for vmid Muneendra 2020-10-19 7:43 ` Muneendra 2020-10-19 7:43 ` Muneendra 2020-10-19 7:43 ` [RFC v2 07/18] lpfc: vmid: Forward declarations for APIs Muneendra 2020-10-19 7:43 ` Muneendra 2020-10-19 7:43 ` [RFC v2 08/18] lpfc: vmid: Add support for vmid in mailbox command Muneendra 2020-10-19 7:43 ` Muneendra 2020-10-19 7:43 ` [RFC v2 09/18] lpfc: vmid: VMID params initialization Muneendra 2020-10-19 7:43 ` Muneendra 2020-10-19 7:43 ` [RFC v2 10/18] lpfc: vmid: vmid resource allocation Muneendra 2020-10-19 7:43 ` Muneendra 2020-10-19 7:43 ` [RFC v2 11/18] lpfc: vmid: cleanup vmid resources Muneendra 2020-10-19 7:43 ` Muneendra 2020-10-19 7:43 ` [RFC v2 12/18] lpfc: vmid: Implements ELS commands for appid patch Muneendra 2020-10-19 7:43 ` Muneendra 2020-10-19 7:43 ` [RFC v2 13/18] lpfc: vmid: Functions to manage vmids Muneendra 2020-10-19 7:43 ` Muneendra 2020-10-19 7:43 ` Muneendra 2020-10-19 7:43 ` [RFC v2 14/18] lpfc: vmid: Implements CT commands for appid Muneendra 2020-10-19 7:43 ` Muneendra 2020-10-19 7:43 ` [RFC v2 15/18] lpfc: vmid: Appends the vmid in the wqe before sending request Muneendra 2020-10-19 7:43 ` Muneendra 2020-10-19 7:43 ` [RFC v2 16/18] lpfc: vmid: Timeout implementation for vmid Muneendra 2020-10-19 7:43 ` Muneendra 2020-10-19 7:43 ` [RFC v2 17/18] lpfc: vmid: Adding qfpa and vmid timeout check in worker thread Muneendra 2020-10-19 7:43 ` Muneendra 2020-10-19 7:43 ` [RFC v2 18/18] lpfc: vmid: Introducing vmid in io path Muneendra 2020-10-19 7:43 ` Muneendra
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