#define KMSG_COMPONENT "zfcp"
#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+#include <linux/types.h>
+#include <scsi/fc/fc_els.h>
+#include <scsi/libfc.h>
#include "zfcp_ext.h"
+#include "zfcp_fc.h"
-enum rscn_address_format {
- RSCN_PORT_ADDRESS = 0x0,
- RSCN_AREA_ADDRESS = 0x1,
- RSCN_DOMAIN_ADDRESS = 0x2,
- RSCN_FABRIC_ADDRESS = 0x3,
-};
-
-static u32 rscn_range_mask[] = {
- [RSCN_PORT_ADDRESS] = 0xFFFFFF,
- [RSCN_AREA_ADDRESS] = 0xFFFF00,
- [RSCN_DOMAIN_ADDRESS] = 0xFF0000,
- [RSCN_FABRIC_ADDRESS] = 0x000000,
+static u32 zfcp_fc_rscn_range_mask[] = {
+ [ELS_ADDR_FMT_PORT] = 0xFFFFFF,
+ [ELS_ADDR_FMT_AREA] = 0xFFFF00,
+ [ELS_ADDR_FMT_DOM] = 0xFF0000,
+ [ELS_ADDR_FMT_FAB] = 0x000000,
};
struct gpn_ft_resp_acc {
}
static void _zfcp_fc_incoming_rscn(struct zfcp_fsf_req *fsf_req, u32 range,
- struct fcp_rscn_element *elem)
+ struct fc_els_rscn_page *page)
{
unsigned long flags;
struct zfcp_adapter *adapter = fsf_req->adapter;
read_lock_irqsave(&adapter->port_list_lock, flags);
list_for_each_entry(port, &adapter->port_list, list) {
- if ((port->d_id & range) == (elem->nport_did & range))
+ if ((port->d_id & range) == (ntoh24(page->rscn_fid) & range))
zfcp_fc_test_link(port);
if (!port->d_id)
zfcp_erp_port_reopen(port,
static void zfcp_fc_incoming_rscn(struct zfcp_fsf_req *fsf_req)
{
struct fsf_status_read_buffer *status_buffer = (void *)fsf_req->data;
- struct fcp_rscn_head *fcp_rscn_head;
- struct fcp_rscn_element *fcp_rscn_element;
+ struct fc_els_rscn *head;
+ struct fc_els_rscn_page *page;
u16 i;
u16 no_entries;
- u32 range_mask;
+ unsigned int afmt;
- fcp_rscn_head = (struct fcp_rscn_head *) status_buffer->payload.data;
- fcp_rscn_element = (struct fcp_rscn_element *) fcp_rscn_head;
+ head = (struct fc_els_rscn *) status_buffer->payload.data;
+ page = (struct fc_els_rscn_page *) head;
/* see FC-FS */
- no_entries = fcp_rscn_head->payload_len /
- sizeof(struct fcp_rscn_element);
+ no_entries = head->rscn_plen / sizeof(struct fc_els_rscn_page);
for (i = 1; i < no_entries; i++) {
/* skip head and start with 1st element */
- fcp_rscn_element++;
- range_mask = rscn_range_mask[fcp_rscn_element->addr_format];
- _zfcp_fc_incoming_rscn(fsf_req, range_mask, fcp_rscn_element);
+ page++;
+ afmt = page->rscn_page_flags & ELS_RSCN_ADDR_FMT_MASK;
+ _zfcp_fc_incoming_rscn(fsf_req, zfcp_fc_rscn_range_mask[afmt],
+ page);
}
queue_work(fsf_req->adapter->work_queue, &fsf_req->adapter->scan_work);
}
static void zfcp_fc_incoming_plogi(struct zfcp_fsf_req *req)
{
- struct fsf_status_read_buffer *status_buffer =
- (struct fsf_status_read_buffer *)req->data;
- struct fsf_plogi *els_plogi =
- (struct fsf_plogi *) status_buffer->payload.data;
+ struct fsf_status_read_buffer *status_buffer;
+ struct fc_els_flogi *plogi;
- zfcp_fc_incoming_wwpn(req, els_plogi->serv_param.wwpn);
+ status_buffer = (struct fsf_status_read_buffer *) req->data;
+ plogi = (struct fc_els_flogi *) status_buffer->payload.data;
+ zfcp_fc_incoming_wwpn(req, plogi->fl_wwpn);
}
static void zfcp_fc_incoming_logo(struct zfcp_fsf_req *req)
{
struct fsf_status_read_buffer *status_buffer =
(struct fsf_status_read_buffer *)req->data;
- struct fcp_logo *els_logo =
- (struct fcp_logo *) status_buffer->payload.data;
+ struct fc_els_logo *logo =
+ (struct fc_els_logo *) status_buffer->payload.data;
- zfcp_fc_incoming_wwpn(req, els_logo->nport_wwpn);
+ zfcp_fc_incoming_wwpn(req, logo->fl_n_port_wwn);
}
/**
unsigned int els_type = status_buffer->payload.data[0];
zfcp_dbf_san_incoming_els(fsf_req);
- if (els_type == LS_PLOGI)
+ if (els_type == ELS_PLOGI)
zfcp_fc_incoming_plogi(fsf_req);
- else if (els_type == LS_LOGO)
+ else if (els_type == ELS_LOGO)
zfcp_fc_incoming_logo(fsf_req);
- else if (els_type == LS_RSCN)
+ else if (els_type == ELS_RSCN)
zfcp_fc_incoming_rscn(fsf_req);
}
*
* Evaluate PLOGI playload and copy important fields into zfcp_port structure
*/
-void zfcp_fc_plogi_evaluate(struct zfcp_port *port, struct fsf_plogi *plogi)
-{
- port->maxframe_size = plogi->serv_param.common_serv_param[7] |
- ((plogi->serv_param.common_serv_param[6] & 0x0F) << 8);
- if (plogi->serv_param.class1_serv_param[0] & 0x80)
+void zfcp_fc_plogi_evaluate(struct zfcp_port *port, struct fc_els_flogi *plogi)
+{
+ if (plogi->fl_wwpn != port->wwpn) {
+ port->d_id = 0;
+ dev_warn(&port->adapter->ccw_device->dev,
+ "A port opened with WWPN 0x%016Lx returned data that "
+ "identifies it as WWPN 0x%016Lx\n",
+ (unsigned long long) port->wwpn,
+ (unsigned long long) plogi->fl_wwpn);
+ return;
+ }
+
+ port->wwnn = plogi->fl_wwnn;
+ port->maxframe_size = plogi->fl_csp.sp_bb_data;
+
+ if (plogi->fl_cssp[0].cp_class & FC_CPC_VALID)
port->supported_classes |= FC_COS_CLASS1;
- if (plogi->serv_param.class2_serv_param[0] & 0x80)
+ if (plogi->fl_cssp[1].cp_class & FC_CPC_VALID)
port->supported_classes |= FC_COS_CLASS2;
- if (plogi->serv_param.class3_serv_param[0] & 0x80)
+ if (plogi->fl_cssp[2].cp_class & FC_CPC_VALID)
port->supported_classes |= FC_COS_CLASS3;
- if (plogi->serv_param.class4_serv_param[0] & 0x80)
+ if (plogi->fl_cssp[3].cp_class & FC_CPC_VALID)
port->supported_classes |= FC_COS_CLASS4;
}
-struct zfcp_els_adisc {
- struct zfcp_send_els els;
- struct scatterlist req;
- struct scatterlist resp;
- struct zfcp_ls_adisc ls_adisc;
- struct zfcp_ls_adisc ls_adisc_acc;
-};
-
static void zfcp_fc_adisc_handler(unsigned long data)
{
- struct zfcp_els_adisc *adisc = (struct zfcp_els_adisc *) data;
+ struct zfcp_fc_els_adisc *adisc = (struct zfcp_fc_els_adisc *) data;
struct zfcp_port *port = adisc->els.port;
- struct zfcp_ls_adisc *ls_adisc = &adisc->ls_adisc_acc;
+ struct fc_els_adisc *adisc_resp = &adisc->adisc_resp;
if (adisc->els.status) {
/* request rejected or timed out */
}
if (!port->wwnn)
- port->wwnn = ls_adisc->wwnn;
+ port->wwnn = adisc_resp->adisc_wwnn;
- if ((port->wwpn != ls_adisc->wwpn) ||
+ if ((port->wwpn != adisc_resp->adisc_wwpn) ||
!(atomic_read(&port->status) & ZFCP_STATUS_COMMON_OPEN)) {
zfcp_erp_port_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED,
"fcadh_2", NULL);
static int zfcp_fc_adisc(struct zfcp_port *port)
{
- struct zfcp_els_adisc *adisc;
+ struct zfcp_fc_els_adisc *adisc;
struct zfcp_adapter *adapter = port->adapter;
- adisc = kzalloc(sizeof(struct zfcp_els_adisc), GFP_ATOMIC);
+ adisc = kzalloc(sizeof(struct zfcp_fc_els_adisc), GFP_ATOMIC);
if (!adisc)
return -ENOMEM;
adisc->els.req = &adisc->req;
adisc->els.resp = &adisc->resp;
- sg_init_one(adisc->els.req, &adisc->ls_adisc,
- sizeof(struct zfcp_ls_adisc));
- sg_init_one(adisc->els.resp, &adisc->ls_adisc_acc,
- sizeof(struct zfcp_ls_adisc));
+ sg_init_one(adisc->els.req, &adisc->adisc_req,
+ sizeof(struct fc_els_adisc));
+ sg_init_one(adisc->els.resp, &adisc->adisc_resp,
+ sizeof(struct fc_els_adisc));
adisc->els.adapter = adapter;
adisc->els.port = port;
adisc->els.d_id = port->d_id;
adisc->els.handler = zfcp_fc_adisc_handler;
adisc->els.handler_data = (unsigned long) adisc;
- adisc->els.ls_code = adisc->ls_adisc.code = ZFCP_LS_ADISC;
+ adisc->els.ls_code = adisc->adisc_req.adisc_cmd = ELS_ADISC;
/* acc. to FC-FS, hard_nport_id in ADISC should not be set for ports
without FC-AL-2 capability, so we don't set it */
- adisc->ls_adisc.wwpn = fc_host_port_name(adapter->scsi_host);
- adisc->ls_adisc.wwnn = fc_host_node_name(adapter->scsi_host);
- adisc->ls_adisc.nport_id = fc_host_port_id(adapter->scsi_host);
+ adisc->adisc_req.adisc_wwpn = fc_host_port_name(adapter->scsi_host);
+ adisc->adisc_req.adisc_wwnn = fc_host_node_name(adapter->scsi_host);
+ hton24(adisc->adisc_req.adisc_port_id,
+ fc_host_port_id(adapter->scsi_host));
return zfcp_fsf_send_els(&adisc->els);
}
#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
#include <linux/blktrace_api.h>
+#include <scsi/fc/fc_els.h>
#include "zfcp_ext.h"
#include "zfcp_fc.h"
#include "zfcp_dbf.h"
static int zfcp_fsf_exchange_config_evaluate(struct zfcp_fsf_req *req)
{
- struct fsf_qtcb_bottom_config *bottom;
+ struct fsf_qtcb_bottom_config *bottom = &req->qtcb->bottom.config;
struct zfcp_adapter *adapter = req->adapter;
struct Scsi_Host *shost = adapter->scsi_host;
+ struct fc_els_flogi *nsp, *plogi;
- bottom = &req->qtcb->bottom.config;
+ /* adjust pointers for missing command code */
+ nsp = (struct fc_els_flogi *) ((u8 *)&bottom->nport_serv_param
+ - sizeof(u32));
+ plogi = (struct fc_els_flogi *) ((u8 *)&bottom->plogi_payload
+ - sizeof(u32));
if (req->data)
memcpy(req->data, bottom, sizeof(*bottom));
- fc_host_node_name(shost) = bottom->nport_serv_param.wwnn;
- fc_host_port_name(shost) = bottom->nport_serv_param.wwpn;
+ fc_host_port_name(shost) = nsp->fl_wwpn;
+ fc_host_node_name(shost) = nsp->fl_wwnn;
fc_host_port_id(shost) = bottom->s_id & ZFCP_DID_MASK;
fc_host_speed(shost) = bottom->fc_link_speed;
fc_host_supported_classes(shost) = FC_COS_CLASS2 | FC_COS_CLASS3;
switch (bottom->fc_topology) {
case FSF_TOPO_P2P:
adapter->peer_d_id = bottom->peer_d_id & ZFCP_DID_MASK;
- adapter->peer_wwpn = bottom->plogi_payload.wwpn;
- adapter->peer_wwnn = bottom->plogi_payload.wwnn;
+ adapter->peer_wwpn = plogi->fl_wwpn;
+ adapter->peer_wwnn = plogi->fl_wwnn;
fc_host_port_type(shost) = FC_PORTTYPE_PTP;
break;
case FSF_TOPO_FABRIC:
int max_sbals)
{
int ret;
+ unsigned int fcp_chan_timeout;
ret = zfcp_fsf_setup_ct_els_sbals(req, sg_req, sg_resp, max_sbals);
if (ret)
return ret;
/* common settings for ct/gs and els requests */
+ fcp_chan_timeout = 2 * FC_DEF_R_A_TOV / 1000;
req->qtcb->bottom.support.service_class = FSF_CLASS_3;
- req->qtcb->bottom.support.timeout = 2 * R_A_TOV;
- zfcp_fsf_start_timer(req, (2 * R_A_TOV + 10) * HZ);
+ req->qtcb->bottom.support.timeout = fcp_chan_timeout;
+ zfcp_fsf_start_timer(req, (fcp_chan_timeout + 10) * HZ);
return 0;
}
case FSF_ADAPTER_STATUS_AVAILABLE:
switch (header->fsf_status_qual.word[0]){
case FSF_SQ_INVOKE_LINK_TEST_PROCEDURE:
- if (port && (send_els->ls_code != ZFCP_LS_ADISC))
+ if (port && (send_els->ls_code != ELS_ADISC))
zfcp_fc_test_link(port);
/*fall through */
case FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED:
{
struct zfcp_port *port = req->data;
struct fsf_qtcb_header *header = &req->qtcb->header;
- struct fsf_plogi *plogi;
+ struct fc_els_flogi *plogi;
if (req->status & ZFCP_STATUS_FSFREQ_ERROR)
goto out;
* another GID_PN straight after a port has been opened.
* Alternately, an ADISC/PDISC ELS should suffice, as well.
*/
- plogi = (struct fsf_plogi *) req->qtcb->bottom.support.els;
+ plogi = (struct fc_els_flogi *) req->qtcb->bottom.support.els;
if (req->qtcb->bottom.support.els1_length >=
- FSF_PLOGI_MIN_LEN) {
- if (plogi->serv_param.wwpn != port->wwpn) {
- port->d_id = 0;
- dev_warn(&port->adapter->ccw_device->dev,
- "A port opened with WWPN 0x%016Lx "
- "returned data that identifies it as "
- "WWPN 0x%016Lx\n",
- (unsigned long long) port->wwpn,
- (unsigned long long)
- plogi->serv_param.wwpn);
- } else {
- port->wwnn = plogi->serv_param.wwnn;
+ FSF_PLOGI_MIN_LEN)
zfcp_fc_plogi_evaluate(port, plogi);
- }
- }
break;
case FSF_UNKNOWN_OP_SUBTYPE:
req->status |= ZFCP_STATUS_FSFREQ_ERROR;
projects / GitHub / LineageOS / android_kernel_motorola_exynos9610.git / commitdiff