From f70575805708cabdedea7498aaa3f710fde4d920 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 03:29:01 +0000
Subject: [PATCH] add lvds1024*800
---
kernel/drivers/scsi/qla2xxx/tcm_qla2xxx.c | 149 ++++++++++++++++++++++---------------------------
1 files changed, 68 insertions(+), 81 deletions(-)
diff --git a/kernel/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/kernel/drivers/scsi/qla2xxx/tcm_qla2xxx.c
index b51dba3..7405fab 100644
--- a/kernel/drivers/scsi/qla2xxx/tcm_qla2xxx.c
+++ b/kernel/drivers/scsi/qla2xxx/tcm_qla2xxx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*******************************************************************************
* This file contains tcm implementation using v4 configfs fabric infrastructure
* for QLogic target mode HBAs
@@ -11,35 +12,20 @@
*
* Copyright (c) 2010 Cisco Systems, Inc
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
****************************************************************************/
#include <linux/module.h>
-#include <linux/moduleparam.h>
#include <linux/utsname.h>
#include <linux/vmalloc.h>
-#include <linux/init.h>
#include <linux/list.h>
#include <linux/slab.h>
-#include <linux/kthread.h>
#include <linux/types.h>
#include <linux/string.h>
#include <linux/configfs.h>
#include <linux/ctype.h>
#include <asm/unaligned.h>
-#include <scsi/scsi.h>
#include <scsi/scsi_host.h>
-#include <scsi/scsi_device.h>
-#include <scsi/scsi_cmnd.h>
#include <target/target_core_base.h>
#include <target/target_core_fabric.h>
@@ -108,11 +94,6 @@
b[0], b[1], b[2], b[3], b[4], b[5], b[6], b[7]);
}
-static char *tcm_qla2xxx_get_fabric_name(void)
-{
- return "qla2xxx";
-}
-
/*
* From drivers/scsi/scsi_transport_fc.c:fc_parse_wwn
*/
@@ -176,11 +157,6 @@
return rc;
return 0;
-}
-
-static char *tcm_qla2xxx_npiv_get_fabric_name(void)
-{
- return "qla2xxx_npiv";
}
static char *tcm_qla2xxx_get_fabric_wwn(struct se_portal_group *se_tpg)
@@ -270,6 +246,8 @@
*/
static void tcm_qla2xxx_free_mcmd(struct qla_tgt_mgmt_cmd *mcmd)
{
+ if (!mcmd)
+ return;
INIT_WORK(&mcmd->free_work, tcm_qla2xxx_complete_mcmd);
queue_work(tcm_qla2xxx_free_wq, &mcmd->free_work);
}
@@ -282,9 +260,35 @@
WARN_ON(cmd->trc_flags & TRC_CMD_FREE);
+ /* To do: protect all tgt_counters manipulations with proper locking. */
cmd->qpair->tgt_counters.qla_core_ret_sta_ctio++;
cmd->trc_flags |= TRC_CMD_FREE;
+ cmd->cmd_sent_to_fw = 0;
+
transport_generic_free_cmd(&cmd->se_cmd, 0);
+}
+
+static struct qla_tgt_cmd *tcm_qla2xxx_get_cmd(struct fc_port *sess)
+{
+ struct se_session *se_sess = sess->se_sess;
+ struct qla_tgt_cmd *cmd;
+ int tag, cpu;
+
+ tag = sbitmap_queue_get(&se_sess->sess_tag_pool, &cpu);
+ if (tag < 0)
+ return NULL;
+
+ cmd = &((struct qla_tgt_cmd *)se_sess->sess_cmd_map)[tag];
+ memset(cmd, 0, sizeof(struct qla_tgt_cmd));
+ cmd->se_cmd.map_tag = tag;
+ cmd->se_cmd.map_cpu = cpu;
+
+ return cmd;
+}
+
+static void tcm_qla2xxx_rel_cmd(struct qla_tgt_cmd *cmd)
+{
+ target_free_tag(cmd->sess->se_sess, &cmd->se_cmd);
}
/*
@@ -332,8 +336,11 @@
qlt_free_mcmd(mcmd);
return;
}
-
cmd = container_of(se_cmd, struct qla_tgt_cmd, se_cmd);
+
+ if (WARN_ON(cmd->cmd_sent_to_fw))
+ return;
+
qlt_free_cmd(cmd);
}
@@ -366,6 +373,7 @@
target_sess_cmd_list_set_waiting(se_sess);
spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
+ sess->explicit_logout = 1;
tcm_qla2xxx_put_sess(sess);
}
@@ -407,30 +415,10 @@
se_cmd->pi_err = 0;
/*
- * qla_target.c:qlt_rdy_to_xfer() will call pci_map_sg() to setup
+ * qla_target.c:qlt_rdy_to_xfer() will call dma_map_sg() to setup
* the SGL mappings into PCIe memory for incoming FCP WRITE data.
*/
return qlt_rdy_to_xfer(cmd);
-}
-
-static int tcm_qla2xxx_write_pending_status(struct se_cmd *se_cmd)
-{
- unsigned long flags;
- /*
- * Check for WRITE_PENDING status to determine if we need to wait for
- * CTIO aborts to be posted via hardware in tcm_qla2xxx_handle_data().
- */
- spin_lock_irqsave(&se_cmd->t_state_lock, flags);
- if (se_cmd->t_state == TRANSPORT_WRITE_PENDING ||
- se_cmd->t_state == TRANSPORT_COMPLETE_QF_WP) {
- spin_unlock_irqrestore(&se_cmd->t_state_lock, flags);
- wait_for_completion_timeout(&se_cmd->t_transport_stop_comp,
- 50);
- return 0;
- }
- spin_unlock_irqrestore(&se_cmd->t_state_lock, flags);
-
- return 0;
}
static void tcm_qla2xxx_set_default_node_attrs(struct se_node_acl *nacl)
@@ -507,18 +495,15 @@
* Otherwise return an exception via CHECK_CONDITION status.
*/
cmd->cmd_in_wq = 0;
+ cmd->cmd_sent_to_fw = 0;
+ if (cmd->aborted) {
+ transport_generic_request_failure(&cmd->se_cmd,
+ TCM_CHECK_CONDITION_ABORT_CMD);
+ return;
+ }
cmd->qpair->tgt_counters.qla_core_ret_ctio++;
if (!cmd->write_data_transferred) {
- /*
- * Check if se_cmd has already been aborted via LUN_RESET, and
- * waiting upon completion in tcm_qla2xxx_write_pending_status()
- */
- if (cmd->se_cmd.transport_state & CMD_T_ABORTED) {
- complete(&cmd->se_cmd.t_transport_stop_comp);
- return;
- }
-
switch (cmd->dif_err_code) {
case DIF_ERR_GRD:
cmd->se_cmd.pi_err =
@@ -861,7 +846,7 @@
struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, \
struct tcm_qla2xxx_tpg, se_tpg); \
\
- return sprintf(page, "%u\n", tpg->tpg_attrib.name); \
+ return sprintf(page, "%d\n", tpg->tpg_attrib.name); \
} \
\
static ssize_t tcm_qla2xxx_tpg_attrib_##name##_store( \
@@ -1179,9 +1164,8 @@
/*
* Expected to be called with struct qla_hw_data->tgt.sess_lock held
*/
-static struct fc_port *tcm_qla2xxx_find_sess_by_s_id(
- scsi_qla_host_t *vha,
- const uint8_t *s_id)
+static struct fc_port *tcm_qla2xxx_find_sess_by_s_id(scsi_qla_host_t *vha,
+ const be_id_t s_id)
{
struct tcm_qla2xxx_lport *lport;
struct se_node_acl *se_nacl;
@@ -1224,7 +1208,7 @@
struct tcm_qla2xxx_nacl *nacl,
struct se_session *se_sess,
struct fc_port *fc_port,
- uint8_t *s_id)
+ be_id_t s_id)
{
u32 key;
void *slot;
@@ -1391,14 +1375,9 @@
struct tcm_qla2xxx_nacl *nacl, struct fc_port *sess)
{
struct se_session *se_sess = sess->se_sess;
- unsigned char be_sid[3];
-
- be_sid[0] = sess->d_id.b.domain;
- be_sid[1] = sess->d_id.b.area;
- be_sid[2] = sess->d_id.b.al_pa;
tcm_qla2xxx_set_sess_by_s_id(lport, NULL, nacl, se_sess,
- sess, be_sid);
+ sess, port_id_to_be_id(sess->d_id));
tcm_qla2xxx_set_sess_by_loop_id(lport, NULL, nacl, se_sess,
sess, sess->loop_id);
}
@@ -1444,19 +1423,14 @@
struct fc_port *qlat_sess = p;
uint16_t loop_id = qlat_sess->loop_id;
unsigned long flags;
- unsigned char be_sid[3];
-
- be_sid[0] = qlat_sess->d_id.b.domain;
- be_sid[1] = qlat_sess->d_id.b.area;
- be_sid[2] = qlat_sess->d_id.b.al_pa;
/*
* And now setup se_nacl and session pointers into HW lport internal
* mappings for fabric S_ID and LOOP_ID.
*/
spin_lock_irqsave(&ha->tgt.sess_lock, flags);
- tcm_qla2xxx_set_sess_by_s_id(lport, se_nacl, nacl,
- se_sess, qlat_sess, be_sid);
+ tcm_qla2xxx_set_sess_by_s_id(lport, se_nacl, nacl, se_sess, qlat_sess,
+ port_id_to_be_id(qlat_sess->d_id));
tcm_qla2xxx_set_sess_by_loop_id(lport, se_nacl, nacl,
se_sess, qlat_sess, loop_id);
spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
@@ -1492,7 +1466,7 @@
*/
tpg = lport->tpg_1;
if (!tpg) {
- pr_err("Unable to lcoate struct tcm_qla2xxx_lport->tpg_1\n");
+ pr_err("Unable to locate struct tcm_qla2xxx_lport->tpg_1\n");
return -EINVAL;
}
/*
@@ -1596,6 +1570,8 @@
.handle_cmd = tcm_qla2xxx_handle_cmd,
.handle_data = tcm_qla2xxx_handle_data,
.handle_tmr = tcm_qla2xxx_handle_tmr,
+ .get_cmd = tcm_qla2xxx_get_cmd,
+ .rel_cmd = tcm_qla2xxx_rel_cmd,
.free_cmd = tcm_qla2xxx_free_cmd,
.free_mcmd = tcm_qla2xxx_free_mcmd,
.free_session = tcm_qla2xxx_free_session,
@@ -1852,14 +1828,13 @@
static const struct target_core_fabric_ops tcm_qla2xxx_ops = {
.module = THIS_MODULE,
- .name = "qla2xxx",
+ .fabric_name = "qla2xxx",
.node_acl_size = sizeof(struct tcm_qla2xxx_nacl),
/*
* XXX: Limit assumes single page per scatter-gather-list entry.
* Current maximum is ~4.9 MB per se_cmd->t_data_sg with PAGE_SIZE=4096
*/
.max_data_sg_nents = 1200,
- .get_fabric_name = tcm_qla2xxx_get_fabric_name,
.tpg_get_wwn = tcm_qla2xxx_get_fabric_wwn,
.tpg_get_tag = tcm_qla2xxx_get_tag,
.tpg_check_demo_mode = tcm_qla2xxx_check_demo_mode,
@@ -1877,7 +1852,6 @@
.sess_get_index = tcm_qla2xxx_sess_get_index,
.sess_get_initiator_sid = NULL,
.write_pending = tcm_qla2xxx_write_pending,
- .write_pending_status = tcm_qla2xxx_write_pending_status,
.set_default_node_attributes = tcm_qla2xxx_set_default_node_attrs,
.get_cmd_state = tcm_qla2xxx_get_cmd_state,
.queue_data_in = tcm_qla2xxx_queue_data_in,
@@ -1901,9 +1875,8 @@
static const struct target_core_fabric_ops tcm_qla2xxx_npiv_ops = {
.module = THIS_MODULE,
- .name = "qla2xxx_npiv",
+ .fabric_name = "qla2xxx_npiv",
.node_acl_size = sizeof(struct tcm_qla2xxx_nacl),
- .get_fabric_name = tcm_qla2xxx_npiv_get_fabric_name,
.tpg_get_wwn = tcm_qla2xxx_get_fabric_wwn,
.tpg_get_tag = tcm_qla2xxx_get_tag,
.tpg_check_demo_mode = tcm_qla2xxx_check_demo_mode,
@@ -1919,7 +1892,6 @@
.sess_get_index = tcm_qla2xxx_sess_get_index,
.sess_get_initiator_sid = NULL,
.write_pending = tcm_qla2xxx_write_pending,
- .write_pending_status = tcm_qla2xxx_write_pending_status,
.set_default_node_attributes = tcm_qla2xxx_set_default_node_attrs,
.get_cmd_state = tcm_qla2xxx_get_cmd_state,
.queue_data_in = tcm_qla2xxx_queue_data_in,
@@ -1984,6 +1956,21 @@
{
int ret;
+ BUILD_BUG_ON(sizeof(struct abts_recv_from_24xx) != 64);
+ BUILD_BUG_ON(sizeof(struct abts_resp_from_24xx_fw) != 64);
+ BUILD_BUG_ON(sizeof(struct atio7_fcp_cmnd) != 32);
+ BUILD_BUG_ON(sizeof(struct atio_from_isp) != 64);
+ BUILD_BUG_ON(sizeof(struct ba_acc_le) != 12);
+ BUILD_BUG_ON(sizeof(struct ba_rjt_le) != 4);
+ BUILD_BUG_ON(sizeof(struct ctio7_from_24xx) != 64);
+ BUILD_BUG_ON(sizeof(struct ctio7_to_24xx) != 64);
+ BUILD_BUG_ON(sizeof(struct ctio_crc2_to_fw) != 64);
+ BUILD_BUG_ON(sizeof(struct ctio_crc_from_fw) != 64);
+ BUILD_BUG_ON(sizeof(struct ctio_to_2xxx) != 64);
+ BUILD_BUG_ON(sizeof(struct fcp_hdr) != 24);
+ BUILD_BUG_ON(sizeof(struct fcp_hdr_le) != 24);
+ BUILD_BUG_ON(sizeof(struct nack_to_isp) != 64);
+
ret = tcm_qla2xxx_register_configfs();
if (ret < 0)
return ret;
--
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