From e537b62b0796042e1ab66657c4dab662d19e9f0b Mon Sep 17 00:00:00 2001 From: Xiaofei Tan Date: Sat, 9 Dec 2017 01:16:44 +0800 Subject: [PATCH] scsi: hisi_sas: use an general way to delay PHY work Use an general way to do delay work for a PHY. Then it will be easier to add new delayed work for a PHY in future. Signed-off-by: Xiaofei Tan Signed-off-by: John Garry Signed-off-by: Martin K. Petersen --- drivers/scsi/hisi_sas/hisi_sas.h | 9 ++++++++- drivers/scsi/hisi_sas/hisi_sas_main.c | 22 ++++++++++++++++++++-- drivers/scsi/hisi_sas/hisi_sas_v1_hw.c | 2 +- drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | 4 ++-- drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 2 +- 5 files changed, 32 insertions(+), 7 deletions(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h index 71bc8ea..aa14638 100644 --- a/drivers/scsi/hisi_sas/hisi_sas.h +++ b/drivers/scsi/hisi_sas/hisi_sas.h @@ -124,12 +124,17 @@ enum hisi_sas_bit_err_type { HISI_SAS_ERR_MULTI_BIT_ECC = 0x1, }; +enum hisi_sas_phy_event { + HISI_PHYE_PHY_UP = 0U, + HISI_PHYES_NUM, +}; + struct hisi_sas_phy { + struct work_struct works[HISI_PHYES_NUM]; struct hisi_hba *hisi_hba; struct hisi_sas_port *port; struct asd_sas_phy sas_phy; struct sas_identify identify; - struct work_struct phyup_ws; u64 port_id; /* from hw */ u64 dev_sas_addr; u64 frame_rcvd_size; @@ -453,4 +458,6 @@ extern void hisi_sas_init_mem(struct hisi_hba *hisi_hba); extern void hisi_sas_rst_work_handler(struct work_struct *work); extern void hisi_sas_sync_rst_work_handler(struct work_struct *work); extern void hisi_sas_kill_tasklets(struct hisi_hba *hisi_hba); +extern bool hisi_sas_notify_phy_event(struct hisi_sas_phy *phy, + enum hisi_sas_phy_event event); #endif diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 1f6f063..326dc81 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -622,7 +622,7 @@ static int hisi_sas_scan_finished(struct Scsi_Host *shost, unsigned long time) static void hisi_sas_phyup_work(struct work_struct *work) { struct hisi_sas_phy *phy = - container_of(work, struct hisi_sas_phy, phyup_ws); + container_of(work, typeof(*phy), works[HISI_PHYE_PHY_UP]); struct hisi_hba *hisi_hba = phy->hisi_hba; struct asd_sas_phy *sas_phy = &phy->sas_phy; int phy_no = sas_phy->id; @@ -631,10 +631,27 @@ static void hisi_sas_phyup_work(struct work_struct *work) hisi_sas_bytes_dmaed(hisi_hba, phy_no); } +static const work_func_t hisi_sas_phye_fns[HISI_PHYES_NUM] = { + [HISI_PHYE_PHY_UP] = hisi_sas_phyup_work, +}; + +bool hisi_sas_notify_phy_event(struct hisi_sas_phy *phy, + enum hisi_sas_phy_event event) +{ + struct hisi_hba *hisi_hba = phy->hisi_hba; + + if (WARN_ON(event >= HISI_PHYES_NUM)) + return false; + + return queue_work(hisi_hba->wq, &phy->works[event]); +} +EXPORT_SYMBOL_GPL(hisi_sas_notify_phy_event); + static void hisi_sas_phy_init(struct hisi_hba *hisi_hba, int phy_no) { struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no]; struct asd_sas_phy *sas_phy = &phy->sas_phy; + int i; phy->hisi_hba = hisi_hba; phy->port = NULL; @@ -652,7 +669,8 @@ static void hisi_sas_phy_init(struct hisi_hba *hisi_hba, int phy_no) sas_phy->ha = (struct sas_ha_struct *)hisi_hba->shost->hostdata; sas_phy->lldd_phy = phy; - INIT_WORK(&phy->phyup_ws, hisi_sas_phyup_work); + for (i = 0; i < HISI_PHYES_NUM; i++) + INIT_WORK(&phy->works[i], hisi_sas_phye_fns[i]); } static void hisi_sas_port_notify_formed(struct asd_sas_phy *sas_phy) diff --git a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c index 8cb9061..679e76f 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c @@ -1482,7 +1482,7 @@ static irqreturn_t int_phyup_v1_hw(int irq_no, void *p) else if (phy->identify.device_type != SAS_PHY_UNUSED) phy->identify.target_port_protocols = SAS_PROTOCOL_SMP; - queue_work(hisi_hba->wq, &phy->phyup_ws); + hisi_sas_notify_phy_event(phy, HISI_PHYE_PHY_UP); end: hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT2, diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c index 7257311..e521c42 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c @@ -2708,7 +2708,7 @@ static int phy_up_v2_hw(int phy_no, struct hisi_hba *hisi_hba) if (!timer_pending(&hisi_hba->timer)) set_link_timer_quirk(hisi_hba); } - queue_work(hisi_hba->wq, &phy->phyup_ws); + hisi_sas_notify_phy_event(phy, HISI_PHYE_PHY_UP); end: hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0, @@ -3262,7 +3262,7 @@ static irqreturn_t sata_int_v2_hw(int irq_no, void *p) phy->identify.device_type = SAS_SATA_DEV; phy->frame_rcvd_size = sizeof(struct dev_to_host_fis); phy->identify.target_port_protocols = SAS_PROTOCOL_SATA; - queue_work(hisi_hba->wq, &phy->phyup_ws); + hisi_sas_notify_phy_event(phy, HISI_PHYE_PHY_UP); end: hisi_sas_write32(hisi_hba, ENT_INT_SRC1 + offset, ent_tmp); diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index 67020bd..4b7f251 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -1192,7 +1192,7 @@ static int phy_up_v3_hw(int phy_no, struct hisi_hba *hisi_hba) phy->port_id = port_id; phy->phy_attached = 1; - queue_work(hisi_hba->wq, &phy->phyup_ws); + hisi_sas_notify_phy_event(phy, HISI_PHYE_PHY_UP); end: hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0, -- 2.7.4