From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hannes Reinecke Subject: Re: [PATCH 7/9] be2iscsi: Fix to process 25G link speed info from FW Date: Mon, 14 Dec 2015 16:26:19 +0100 Message-ID: <566EDF9B.4060908@suse.de> References: <1450073466-21077-1-git-send-email-jitendra.bhivare@avagotech.com> <1450073466-21077-8-git-send-email-jitendra.bhivare@avagotech.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mx2.suse.de ([195.135.220.15]:54095 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751860AbbLNP0V (ORCPT ); Mon, 14 Dec 2015 10:26:21 -0500 In-Reply-To: <1450073466-21077-8-git-send-email-jitendra.bhivare@avagotech.com> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Jitendra Bhivare , linux-scsi@vger.kernel.org, michaelc@cs.wisc.edu On 12/14/2015 07:11 AM, Jitendra Bhivare wrote: > From: Jitendra > > Async link event provides port_speed info. Use the same to report in > ISCSI_HOST_PARAM_PORT_SPEED query. Removed link status query IOCTL us= ed > to do the same. > > 25G and 40G are defined in kernel enum iscsi_port_speed. > > Fixed get_nic_conf structure definition. Removed rsvd[23] field in > be_cmd_get_nic_conf_resp. > > Signed-off-by: Jitendra > --- > drivers/scsi/be2iscsi/be_cmds.c | 52 +++++++++++++-----------= ---- > drivers/scsi/be2iscsi/be_cmds.h | 65 ++++++++++--------------= ---------- > drivers/scsi/be2iscsi/be_iscsi.c | 49 +++++++-----------------= -- > drivers/scsi/be2iscsi/be_main.h | 1 + > drivers/scsi/be2iscsi/be_mgmt.c | 28 --------------- > drivers/scsi/scsi_transport_iscsi.c | 2 + > include/scsi/iscsi_if.h | 2 + > 7 files changed, 62 insertions(+), 137 deletions(-) > > diff --git a/drivers/scsi/be2iscsi/be_cmds.c b/drivers/scsi/be2iscsi/= be_cmds.c > index 37d1008..498eba2 100644 > --- a/drivers/scsi/be2iscsi/be_cmds.c > +++ b/drivers/scsi/be2iscsi/be_cmds.c > @@ -402,31 +402,31 @@ void beiscsi_fail_session(struct iscsi_cls_sess= ion *cls_session) > iscsi_session_failure(cls_session->dd_data, ISCSI_ERR_CONN_FAILED)= ; > } > > -static void beiscsi_async_link_state_process(struct beiscsi_hba *phb= a, > - struct be_async_event_link_state *evt) > +static void beiscsi_process_async_link(struct beiscsi_hba *phba, > + struct be_mcc_compl *compl) > { > - if ((evt->port_link_status =3D=3D ASYNC_EVENT_LINK_DOWN) || > - ((evt->port_link_status & ASYNC_EVENT_LOGICAL) && > - (evt->port_fault !=3D BEISCSI_PHY_LINK_FAULT_NONE))) { > - phba->state =3D BE_ADAPTER_LINK_DOWN; > + struct be_async_event_link_state *evt; > > - beiscsi_log(phba, KERN_ERR, > - BEISCSI_LOG_CONFIG | BEISCSI_LOG_INIT, > - "BC_%d : Link Down on Port %d\n", > - evt->physical_port); > + evt =3D (struct be_async_event_link_state *)compl; > > - iscsi_host_for_each_session(phba->shost, > - beiscsi_fail_session); > - } else if ((evt->port_link_status & ASYNC_EVENT_LINK_UP) || > - ((evt->port_link_status & ASYNC_EVENT_LOGICAL) && > - (evt->port_fault =3D=3D BEISCSI_PHY_LINK_FAULT_NONE))) { > + phba->port_speed =3D evt->port_speed; > + /** > + * Check logical link status in ASYNC event. > + * This has been newly introduced in SKH-R Firmware 10.0.338.45. > + **/ > + if (evt->port_link_status & BE_ASYNC_LINK_UP_MASK) { > phba->state =3D BE_ADAPTER_LINK_UP | BE_ADAPTER_CHECK_BOOT; > phba->get_boot =3D BE_GET_BOOT_RETRIES; > - > - beiscsi_log(phba, KERN_ERR, > - BEISCSI_LOG_CONFIG | BEISCSI_LOG_INIT, > - "BC_%d : Link UP on Port %d\n", > - evt->physical_port); > + __beiscsi_log(phba, KERN_ERR, > + "BC_%d : Link Up on Port %d tag 0x%x\n", > + evt->physical_port, evt->event_tag); > + } else { > + phba->state =3D BE_ADAPTER_LINK_DOWN; > + __beiscsi_log(phba, KERN_ERR, > + "BC_%d : Link Down on Port %d tag 0x%x\n", > + evt->physical_port, evt->event_tag); > + iscsi_host_for_each_session(phba->shost, > + beiscsi_fail_session); > } > } > > @@ -438,9 +438,6 @@ static char *beiscsi_port_misconf_event_msg[] =3D= { > "Unqualified optics - Replace with Avago optics for Warranty and T= echnical Support.", > "Uncertified optics - Replace with Avago Certified optics to enabl= e link operation." > }; > -#define BEISCSI_PORT_MISCONF_EVENT_MAX \ > - (sizeof(beiscsi_port_misconf_event_msg) / \ > - sizeof(beiscsi_port_misconf_event_msg[0])) > > static void beiscsi_process_async_sli(struct beiscsi_hba *phba, > struct be_mcc_compl *compl) > @@ -466,7 +463,7 @@ static void beiscsi_process_async_sli(struct beis= csi_hba *phba, > old_state =3D phba->optic_state; > phba->optic_state =3D state; > > - if (state >=3D BEISCSI_PORT_MISCONF_EVENT_MAX) { > + if (state >=3D ARRAY_SIZE(beiscsi_port_misconf_event_msg)) { > /* fw is reporting a state we don't know, log and return */ > __beiscsi_log(phba, KERN_ERR, > "BC_%d : Port %c: Unrecognized optic state 0x%x\n", > @@ -506,8 +503,7 @@ void beiscsi_process_async_event(struct beiscsi_h= ba *phba, > evt_code &=3D ASYNC_TRAILER_EVENT_CODE_MASK; > switch (evt_code) { > case ASYNC_EVENT_CODE_LINK_STATE: > - beiscsi_async_link_state_process(phba, > - (struct be_async_event_link_state *)compl); > + beiscsi_process_async_link(phba, compl); > break; > case ASYNC_EVENT_CODE_ISCSI: > phba->state |=3D BE_ADAPTER_CHECK_BOOT; > @@ -523,8 +519,8 @@ void beiscsi_process_async_event(struct beiscsi_h= ba *phba, > } > > beiscsi_log(phba, sev, BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX, > - "BC_%d : ASYNC Event: status 0x%08x flags 0x%08x\n", > - compl->status, compl->flags); > + "BC_%d : ASYNC Event %x: status 0x%08x flags 0x%08x\n", > + evt_code, compl->status, compl->flags); > } > > int beiscsi_process_mcc(struct beiscsi_hba *phba) > diff --git a/drivers/scsi/be2iscsi/be_cmds.h b/drivers/scsi/be2iscsi/= be_cmds.h > index 6411f7b..3b9bc2e 100644 > --- a/drivers/scsi/be2iscsi/be_cmds.h > +++ b/drivers/scsi/be2iscsi/be_cmds.h > @@ -142,7 +142,6 @@ struct be_async_event_trailer { > enum { > ASYNC_EVENT_LINK_DOWN =3D 0x0, > ASYNC_EVENT_LINK_UP =3D 0x1, > - ASYNC_EVENT_LOGICAL =3D 0x2 > }; > > /** > @@ -152,13 +151,26 @@ enum { > struct be_async_event_link_state { > u8 physical_port; > u8 port_link_status; > +/** > + * ASYNC_EVENT_LINK_DOWN 0x0 > + * ASYNC_EVENT_LINK_UP 0x1 > + * ASYNC_EVENT_LINK_LOGICAL_DOWN 0x2 > + * ASYNC_EVENT_LINK_LOGICAL_UP 0x3 > + */ > +#define BE_ASYNC_LINK_UP_MASK 0x01 > u8 port_duplex; > u8 port_speed; > -#define BEISCSI_PHY_LINK_FAULT_NONE 0x00 > -#define BEISCSI_PHY_LINK_FAULT_LOCAL 0x01 > -#define BEISCSI_PHY_LINK_FAULT_REMOTE 0x02 > +/* BE2ISCSI_LINK_SPEED_ZERO 0x00 - no link */ > +#define BE2ISCSI_LINK_SPEED_10MBPS 0x01 > +#define BE2ISCSI_LINK_SPEED_100MBPS 0x02 > +#define BE2ISCSI_LINK_SPEED_1GBPS 0x03 > +#define BE2ISCSI_LINK_SPEED_10GBPS 0x04 > +#define BE2ISCSI_LINK_SPEED_25GBPS 0x06 > +#define BE2ISCSI_LINK_SPEED_40GBPS 0x07 > u8 port_fault; > - u8 rsvd0[7]; > + u8 event_reason; > + u16 qos_link_speed; > + u32 event_tag; > struct be_async_event_trailer trailer; > } __packed; > > @@ -675,20 +687,6 @@ struct be_cmd_req_modify_eq_delay { > > /******************** Get MAC ADDR *******************/ > > -#define ETH_ALEN 6 > - > -struct be_cmd_get_nic_conf_req { > - struct be_cmd_req_hdr hdr; > - u32 nic_port_count; > - u32 speed; > - u32 max_speed; > - u32 link_state; > - u32 max_frame_size; > - u16 size_of_structure; > - u8 mac_address[ETH_ALEN]; > - u32 rsvd[23]; > -}; > - > struct be_cmd_get_nic_conf_resp { > struct be_cmd_resp_hdr hdr; > u32 nic_port_count; > @@ -697,9 +695,8 @@ struct be_cmd_get_nic_conf_resp { > u32 link_state; > u32 max_frame_size; > u16 size_of_structure; > - u8 mac_address[6]; > - u32 rsvd[23]; > -}; > + u8 mac_address[ETH_ALEN]; > +} __packed; > > #define BEISCSI_ALIAS_LEN 32 > > @@ -711,29 +708,6 @@ struct be_cmd_hba_name { > u8 initiator_alias[BEISCSI_ALIAS_LEN]; > } __packed; > > -struct be_cmd_ntwk_link_status_req { > - struct be_cmd_req_hdr hdr; > - u32 rsvd0; > -} __packed; > - > -/*** Port Speed Values ***/ > -#define BE2ISCSI_LINK_SPEED_ZERO 0x00 > -#define BE2ISCSI_LINK_SPEED_10MBPS 0x01 > -#define BE2ISCSI_LINK_SPEED_100MBPS 0x02 > -#define BE2ISCSI_LINK_SPEED_1GBPS 0x03 > -#define BE2ISCSI_LINK_SPEED_10GBPS 0x04 > -struct be_cmd_ntwk_link_status_resp { > - struct be_cmd_resp_hdr hdr; > - u8 phys_port; > - u8 mac_duplex; > - u8 mac_speed; > - u8 mac_fault; > - u8 mgmt_mac_duplex; > - u8 mgmt_mac_speed; > - u16 qos_link_speed; > - u32 logical_link_speed; > -} __packed; > - > int beiscsi_cmd_eq_create(struct be_ctrl_info *ctrl, > struct be_queue_info *eq, int eq_delay); > > @@ -752,7 +726,6 @@ int be_poll_mcc(struct be_ctrl_info *ctrl); > int mgmt_check_supported_fw(struct be_ctrl_info *ctrl, > struct beiscsi_hba *phba); > unsigned int be_cmd_get_initname(struct beiscsi_hba *phba); > -unsigned int be_cmd_get_port_speed(struct beiscsi_hba *phba); > > void free_mcc_tag(struct be_ctrl_info *ctrl, unsigned int tag); > > diff --git a/drivers/scsi/be2iscsi/be_iscsi.c b/drivers/scsi/be2iscsi= /be_iscsi.c > index 3545721..eca72b9 100644 > --- a/drivers/scsi/be2iscsi/be_iscsi.c > +++ b/drivers/scsi/be2iscsi/be_iscsi.c > @@ -749,51 +749,30 @@ static int beiscsi_get_initname(char *buf, stru= ct beiscsi_hba *phba) > } > > /** > - * beiscsi_get_port_state - Get the Port State > + * beiscsi_set_port_state - Set port_state in iscsi_cls_host > * @shost : pointer to scsi_host structure > * > */ > -static void beiscsi_get_port_state(struct Scsi_Host *shost) > +static void beiscsi_set_port_state(struct Scsi_Host *shost) > { > struct beiscsi_hba *phba =3D iscsi_host_priv(shost); > struct iscsi_cls_host *ihost =3D shost->shost_data; > > - ihost->port_state =3D (phba->state =3D=3D BE_ADAPTER_LINK_UP) ? > + ihost->port_state =3D (phba->state & BE_ADAPTER_LINK_UP) ? > ISCSI_PORT_STATE_UP : ISCSI_PORT_STATE_DOWN; > } > > /** > - * beiscsi_get_port_speed - Get the Port Speed from Adapter > + * beiscsi_set_port_speed - Set port_speed in iscsi_cls_host > * @shost : pointer to scsi_host structure > * > - * returns Success/Failure > */ > -static int beiscsi_get_port_speed(struct Scsi_Host *shost) > +static void beiscsi_set_port_speed(struct Scsi_Host *shost) > { > - int rc; > - unsigned int tag; > - struct be_mcc_wrb *wrb; > - struct be_cmd_ntwk_link_status_resp *resp; > struct beiscsi_hba *phba =3D iscsi_host_priv(shost); > struct iscsi_cls_host *ihost =3D shost->shost_data; > > - tag =3D be_cmd_get_port_speed(phba); > - if (!tag) { > - beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG, > - "BS_%d : Getting Port Speed Failed\n"); > - > - return -EBUSY; > - } > - rc =3D beiscsi_mccq_compl(phba, tag, &wrb, NULL); > - if (rc) { > - beiscsi_log(phba, KERN_ERR, > - BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX, > - "BS_%d : Port Speed MBX Failed\n"); > - return rc; > - } > - resp =3D embedded_payload(wrb); > - > - switch (resp->mac_speed) { > + switch (phba->port_speed) { > case BE2ISCSI_LINK_SPEED_10MBPS: > ihost->port_speed =3D ISCSI_PORT_SPEED_10MBPS; > break; > @@ -806,10 +785,15 @@ static int beiscsi_get_port_speed(struct Scsi_H= ost *shost) > case BE2ISCSI_LINK_SPEED_10GBPS: > ihost->port_speed =3D ISCSI_PORT_SPEED_10GBPS; > break; > + case BE2ISCSI_LINK_SPEED_25GBPS: > + ihost->port_speed =3D ISCSI_PORT_SPEED_25GBPS; > + break; > + case BE2ISCSI_LINK_SPEED_40GBPS: > + ihost->port_speed =3D ISCSI_PORT_SPEED_40GBPS; > + break; > default: > ihost->port_speed =3D ISCSI_PORT_SPEED_UNKNOWN; > } > - return 0; > } > > /** > @@ -855,16 +839,11 @@ int beiscsi_get_host_param(struct Scsi_Host *sh= ost, > } > break; > case ISCSI_HOST_PARAM_PORT_STATE: > - beiscsi_get_port_state(shost); > + beiscsi_set_port_state(shost); > status =3D sprintf(buf, "%s\n", iscsi_get_port_state_name(shost))= ; > break; > case ISCSI_HOST_PARAM_PORT_SPEED: > - status =3D beiscsi_get_port_speed(shost); > - if (status) { > - beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG, > - "BS_%d : Retreiving Port Speed Failed\n"); > - return status; > - } > + beiscsi_set_port_speed(shost); > status =3D sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost))= ; > break; > default: Why did you rename the functions? The new names are utterly confusing. Please keep the old names. Cheers, Hannes --=20 Dr. Hannes Reinecke zSeries & Storage hare@suse.de +49 911 74053 688 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 N=FCrnberg GF: F. Imend=F6rffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton HRB 21284 (AG N=FCrnberg) -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html