summaryrefslogtreecommitdiff
path: root/drivers/scsi/ibmvscsi/ibmvfc.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/ibmvscsi/ibmvfc.h')
-rw-r--r--drivers/scsi/ibmvscsi/ibmvfc.h340
1 files changed, 260 insertions, 80 deletions
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.h b/drivers/scsi/ibmvscsi/ibmvfc.h
index b81a53c4a9a8..c73ed2314ad0 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.h
+++ b/drivers/scsi/ibmvscsi/ibmvfc.h
@@ -1,24 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* ibmvfc.h -- driver for IBM Power Virtual Fibre Channel Adapter
*
* Written By: Brian King <brking@linux.vnet.ibm.com>, IBM Corporation
*
* Copyright (C) IBM Corporation, 2008
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
*/
#ifndef _IBMVFC_H
@@ -41,11 +27,12 @@
#define IBMVFC_ABORT_TIMEOUT 8
#define IBMVFC_ABORT_WAIT_TIMEOUT 40
#define IBMVFC_MAX_REQUESTS_DEFAULT 100
+#define IBMVFC_SCSI_QDEPTH 128
#define IBMVFC_DEBUG 0
#define IBMVFC_MAX_TARGETS 1024
#define IBMVFC_MAX_LUN 0xffffffff
-#define IBMVFC_MAX_SECTORS 0xffffu
+#define IBMVFC_MAX_SECTORS 2048
#define IBMVFC_MAX_DISC_THREADS 4
#define IBMVFC_TGT_MEMPOOL_SZ 64
#define IBMVFC_MAX_CMDS_PER_LUN 64
@@ -55,6 +42,12 @@
#define IBMVFC_DEFAULT_LOG_LEVEL 2
#define IBMVFC_MAX_CDB_LEN 16
#define IBMVFC_CLS3_ERROR 0
+#define IBMVFC_MQ 1
+#define IBMVFC_SCSI_CHANNELS 8
+#define IBMVFC_MAX_SCSI_QUEUES 16
+#define IBMVFC_SCSI_HW_QUEUES 8
+#define IBMVFC_MIG_NO_SUB_TO_CRQ 0
+#define IBMVFC_MIG_NO_N_TO_M 0
/*
* Ensure we have resources for ERP and initialization:
@@ -65,9 +58,12 @@
* 2 for each discovery thread
*/
#define IBMVFC_NUM_INTERNAL_REQ (1 + 1 + 1 + 2 + (disc_threads * 2))
+/* Reserved suset of events for cancelling channelized IO commands */
+#define IBMVFC_NUM_INTERNAL_SUBQ_REQ 4
#define IBMVFC_MAD_SUCCESS 0x00
#define IBMVFC_MAD_NOT_SUPPORTED 0xF1
+#define IBMVFC_MAD_VERSION_NOT_SUPP 0xF2
#define IBMVFC_MAD_FAILED 0xF7
#define IBMVFC_MAD_DRIVER_FAILED 0xEE
#define IBMVFC_MAD_CRQ_ERROR 0xEF
@@ -78,9 +74,14 @@ enum ibmvfc_crq_valid {
IBMVFC_CRQ_XPORT_EVENT = 0xFF,
};
-enum ibmvfc_crq_format {
+enum ibmvfc_crq_init_msg {
IBMVFC_CRQ_INIT = 0x01,
IBMVFC_CRQ_INIT_COMPLETE = 0x02,
+};
+
+enum ibmvfc_crq_xport_evts {
+ IBMVFC_PARTNER_FAILED = 0x01,
+ IBMVFC_PARTNER_DEREGISTER = 0x02,
IBMVFC_PARTITION_MIGRATED = 0x06,
};
@@ -129,10 +130,14 @@ enum ibmvfc_mad_types {
IBMVFC_PORT_LOGIN = 0x0004,
IBMVFC_PROCESS_LOGIN = 0x0008,
IBMVFC_QUERY_TARGET = 0x0010,
+ IBMVFC_MOVE_LOGIN = 0x0020,
IBMVFC_IMPLICIT_LOGOUT = 0x0040,
IBMVFC_PASSTHRU = 0x0200,
IBMVFC_TMF_MAD = 0x0100,
IBMVFC_NPIV_LOGOUT = 0x0800,
+ IBMVFC_CHANNEL_ENQUIRY = 0x1000,
+ IBMVFC_CHANNEL_SETUP = 0x2000,
+ IBMVFC_CONNECTION_INFO = 0x4000,
};
struct ibmvfc_mad_common {
@@ -142,16 +147,16 @@ struct ibmvfc_mad_common {
__be16 status;
__be16 length;
__be64 tag;
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
struct ibmvfc_npiv_login_mad {
struct ibmvfc_mad_common common;
struct srp_direct_buf buffer;
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
struct ibmvfc_npiv_logout_mad {
struct ibmvfc_mad_common common;
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
#define IBMVFC_MAX_NAME 256
@@ -171,13 +176,17 @@ struct ibmvfc_npiv_login {
__be32 max_cmds;
__be64 capabilities;
#define IBMVFC_CAN_MIGRATE 0x01
+#define IBMVFC_CAN_USE_CHANNELS 0x02
+#define IBMVFC_CAN_HANDLE_FPIN 0x04
+#define IBMVFC_CAN_USE_MAD_VERSION 0x08
+#define IBMVFC_CAN_SEND_VF_WWPN 0x10
__be64 node_name;
struct srp_direct_buf async;
u8 partition_name[IBMVFC_MAX_NAME];
u8 device_name[IBMVFC_MAX_NAME];
u8 drc_name[IBMVFC_MAX_NAME];
__be64 reserved2[2];
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
struct ibmvfc_common_svc_parms {
__be16 fcph_version;
@@ -186,7 +195,7 @@ struct ibmvfc_common_svc_parms {
__be16 bb_rcv_sz; /* upper nibble is BB_SC_N */
__be32 ratov;
__be32 edtov;
-}__attribute__((packed, aligned (4)));
+} __packed __aligned(4);
struct ibmvfc_service_parms {
struct ibmvfc_common_svc_parms common;
@@ -201,7 +210,8 @@ struct ibmvfc_service_parms {
__be32 ext_len;
__be32 reserved[30];
__be32 clk_sync_qos[2];
-}__attribute__((packed, aligned (4)));
+ __be32 reserved2;
+} __packed __aligned(4);
struct ibmvfc_npiv_login_resp {
__be32 version;
@@ -213,6 +223,9 @@ struct ibmvfc_npiv_login_resp {
__be64 capabilities;
#define IBMVFC_CAN_FLUSH_ON_HALT 0x08
#define IBMVFC_CAN_SUPPRESS_ABTS 0x10
+#define IBMVFC_MAD_VERSION_CAP 0x20
+#define IBMVFC_HANDLE_VF_WWPN 0x40
+#define IBMVFC_CAN_SUPPORT_CHANNELS 0x80
__be32 max_cmds;
__be32 scsi_id_sz;
__be64 max_dma_len;
@@ -226,29 +239,32 @@ struct ibmvfc_npiv_login_resp {
u8 drc_name[IBMVFC_MAX_NAME];
struct ibmvfc_service_parms service_parms;
__be64 reserved2;
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
union ibmvfc_npiv_login_data {
struct ibmvfc_npiv_login login;
struct ibmvfc_npiv_login_resp resp;
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
-struct ibmvfc_discover_targets_buf {
- __be32 scsi_id[1];
+struct ibmvfc_discover_targets_entry {
+ __be32 scsi_id;
+ __be32 pad;
+ __be64 wwpn;
#define IBMVFC_DISC_TGT_SCSI_ID_MASK 0x00ffffff
-};
+} __packed __aligned(8);
struct ibmvfc_discover_targets {
struct ibmvfc_mad_common common;
struct srp_direct_buf buffer;
__be32 flags;
+#define IBMVFC_DISC_TGT_PORT_ID_WWPN_LIST 0x02
__be16 status;
__be16 error;
__be32 bufflen;
__be32 num_avail;
__be32 num_written;
__be64 reserved[2];
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
enum ibmvfc_fc_reason {
IBMVFC_INVALID_ELS_CMD_CODE = 0x01,
@@ -291,8 +307,29 @@ struct ibmvfc_port_login {
__be32 reserved2;
struct ibmvfc_service_parms service_parms;
struct ibmvfc_service_parms service_parms_change;
+ __be64 target_wwpn;
__be64 reserved3[2];
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
+
+struct ibmvfc_move_login {
+ struct ibmvfc_mad_common common;
+ __be64 old_scsi_id;
+ __be64 new_scsi_id;
+ __be64 wwpn;
+ __be64 node_name;
+ __be32 flags;
+#define IBMVFC_MOVE_LOGIN_IMPLICIT_OLD_FAILED 0x01
+#define IBMVFC_MOVE_LOGIN_IMPLICIT_NEW_FAILED 0x02
+#define IBMVFC_MOVE_LOGIN_PORT_LOGIN_FAILED 0x04
+ __be32 reserved;
+ struct ibmvfc_service_parms service_parms;
+ struct ibmvfc_service_parms service_parms_change;
+ __be32 reserved2;
+ __be16 service_class;
+ __be16 vios_flags;
+#define IBMVFC_MOVE_LOGIN_VF_NOT_SENT_ADAPTER 0x01
+ __be64 reserved3;
+} __packed __aligned(8);
struct ibmvfc_prli_svc_parms {
u8 type;
@@ -312,7 +349,7 @@ struct ibmvfc_prli_svc_parms {
#define IBMVFC_PRLI_TARGET_FUNC 0x00000010
#define IBMVFC_PRLI_READ_FCP_XFER_RDY_DISABLED 0x00000002
#define IBMVFC_PRLI_WR_FCP_XFER_RDY_DISABLED 0x00000001
-}__attribute__((packed, aligned (4)));
+} __packed __aligned(4);
struct ibmvfc_process_login {
struct ibmvfc_mad_common common;
@@ -322,8 +359,9 @@ struct ibmvfc_process_login {
__be16 status;
__be16 error; /* also fc_reason */
__be32 reserved2;
+ __be64 target_wwpn;
__be64 reserved3[2];
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
struct ibmvfc_query_tgt {
struct ibmvfc_mad_common common;
@@ -334,13 +372,13 @@ struct ibmvfc_query_tgt {
__be16 fc_explain;
__be16 fc_type;
__be64 reserved[2];
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
struct ibmvfc_implicit_logout {
struct ibmvfc_mad_common common;
__be64 old_scsi_id;
__be64 reserved[2];
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
struct ibmvfc_tmf {
struct ibmvfc_mad_common common;
@@ -356,8 +394,10 @@ struct ibmvfc_tmf {
__be32 cancel_key;
__be32 my_cancel_key;
__be32 pad;
+ __be64 target_wwpn;
+ __be64 task_tag;
__be64 reserved[2];
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
enum ibmvfc_fcp_rsp_info_codes {
RSP_NO_FAILURE = 0x00,
@@ -370,7 +410,7 @@ struct ibmvfc_fcp_rsp_info {
u8 reserved[3];
u8 rsp_code;
u8 reserved2[4];
-}__attribute__((packed, aligned (2)));
+} __packed __aligned(2);
enum ibmvfc_fcp_rsp_flags {
FCP_BIDI_RSP = 0x80,
@@ -386,7 +426,7 @@ enum ibmvfc_fcp_rsp_flags {
union ibmvfc_fcp_rsp_data {
struct ibmvfc_fcp_rsp_info info;
u8 sense[SCSI_SENSE_BUFFERSIZE + sizeof(struct ibmvfc_fcp_rsp_info)];
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
struct ibmvfc_fcp_rsp {
__be64 reserved;
@@ -397,7 +437,7 @@ struct ibmvfc_fcp_rsp {
__be32 fcp_sense_len;
__be32 fcp_rsp_len;
union ibmvfc_fcp_rsp_data data;
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
enum ibmvfc_cmd_flags {
IBMVFC_SCATTERLIST = 0x0001,
@@ -431,7 +471,7 @@ struct ibmvfc_fcp_cmd_iu {
#define IBMVFC_WRDATA 0x01
u8 cdb[IBMVFC_MAX_CDB_LEN];
__be32 xfer_len;
-}__attribute__((packed, aligned (4)));
+} __packed __aligned(4);
struct ibmvfc_cmd {
__be64 task_tag;
@@ -452,10 +492,20 @@ struct ibmvfc_cmd {
__be64 correlation;
__be64 tgt_scsi_id;
__be64 tag;
- __be64 reserved3[2];
- struct ibmvfc_fcp_cmd_iu iu;
- struct ibmvfc_fcp_rsp rsp;
-}__attribute__((packed, aligned (8)));
+ __be64 target_wwpn;
+ __be64 reserved3;
+ union {
+ struct {
+ struct ibmvfc_fcp_cmd_iu iu;
+ struct ibmvfc_fcp_rsp rsp;
+ } v1;
+ struct {
+ __be64 reserved4;
+ struct ibmvfc_fcp_cmd_iu iu;
+ struct ibmvfc_fcp_rsp rsp;
+ } v2;
+ };
+} __packed __aligned(8);
struct ibmvfc_passthru_fc_iu {
__be32 payload[7];
@@ -481,19 +531,66 @@ struct ibmvfc_passthru_iu {
__be64 correlation;
__be64 scsi_id;
__be64 tag;
+ __be64 target_wwpn;
__be64 reserved2[2];
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
struct ibmvfc_passthru_mad {
struct ibmvfc_mad_common common;
struct srp_direct_buf cmd_ioba;
struct ibmvfc_passthru_iu iu;
struct ibmvfc_passthru_fc_iu fc_iu;
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
+
+struct ibmvfc_channel_enquiry {
+ struct ibmvfc_mad_common common;
+ __be32 flags;
+#define IBMVFC_NO_CHANNELS_TO_CRQ_SUPPORT 0x01
+#define IBMVFC_SUPPORT_VARIABLE_SUBQ_MSG 0x02
+#define IBMVFC_NO_N_TO_M_CHANNELS_SUPPORT 0x04
+ __be32 num_scsi_subq_channels;
+ __be32 num_nvmeof_subq_channels;
+ __be32 num_scsi_vas_channels;
+ __be32 num_nvmeof_vas_channels;
+} __packed __aligned(8);
+
+struct ibmvfc_channel_setup_mad {
+ struct ibmvfc_mad_common common;
+ struct srp_direct_buf buffer;
+} __packed __aligned(8);
+
+#define IBMVFC_MAX_CHANNELS 502
+
+struct ibmvfc_channel_setup {
+ __be32 flags;
+#define IBMVFC_CANCEL_CHANNELS 0x01
+#define IBMVFC_USE_BUFFER 0x02
+#define IBMVFC_CHANNELS_CANCELED 0x04
+ __be32 reserved;
+ __be32 num_scsi_subq_channels;
+ __be32 num_nvmeof_subq_channels;
+ __be32 num_scsi_vas_channels;
+ __be32 num_nvmeof_vas_channels;
+ struct srp_direct_buf buffer;
+ __be64 reserved2[5];
+ __be64 channel_handles[IBMVFC_MAX_CHANNELS];
+} __packed __aligned(8);
+
+struct ibmvfc_connection_info {
+ struct ibmvfc_mad_common common;
+ __be64 information_bits;
+#define IBMVFC_NO_FC_IO_CHANNEL 0x01
+#define IBMVFC_NO_PHYP_VAS 0x02
+#define IBMVFC_NO_PHYP_SUBQ 0x04
+#define IBMVFC_PHYP_DEPRECATED_SUBQ 0x08
+#define IBMVFC_PHYP_PRESERVED_SUBQ 0x10
+#define IBMVFC_PHYP_FULL_SUBQ 0x20
+ __be64 reserved[16];
+} __packed __aligned(8);
struct ibmvfc_trace_start_entry {
u32 xfer_len;
-}__attribute__((packed));
+} __packed;
struct ibmvfc_trace_end_entry {
u16 status;
@@ -502,7 +599,7 @@ struct ibmvfc_trace_end_entry {
u8 rsp_code;
u8 scsi_status;
u8 reserved;
-}__attribute__((packed));
+} __packed;
struct ibmvfc_trace_entry {
struct ibmvfc_event *evt;
@@ -519,7 +616,7 @@ struct ibmvfc_trace_entry {
struct ibmvfc_trace_start_entry start;
struct ibmvfc_trace_end_entry end;
} u;
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
enum ibmvfc_crq_formats {
IBMVFC_CMD_FORMAT = 0x01,
@@ -541,6 +638,7 @@ enum ibmvfc_async_event {
IBMVFC_AE_HALT = 0x0400,
IBMVFC_AE_RESUME = 0x0800,
IBMVFC_AE_ADAPTER_FAILED = 0x1000,
+ IBMVFC_AE_FPIN = 0x2000,
};
struct ibmvfc_async_desc {
@@ -554,13 +652,12 @@ struct ibmvfc_crq {
volatile u8 format;
u8 reserved[6];
volatile __be64 ioba;
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
-struct ibmvfc_crq_queue {
- struct ibmvfc_crq *msgs;
- int size, cur;
- dma_addr_t msg_token;
-};
+struct ibmvfc_sub_crq {
+ struct ibmvfc_crq crq;
+ __be64 reserved[2];
+} __packed __aligned(8);
enum ibmvfc_ae_link_state {
IBMVFC_AE_LS_LINK_UP = 0x01,
@@ -569,23 +666,25 @@ enum ibmvfc_ae_link_state {
IBMVFC_AE_LS_LINK_DEAD = 0x08,
};
+enum ibmvfc_ae_fpin_status {
+ IBMVFC_AE_FPIN_LINK_CONGESTED = 0x1,
+ IBMVFC_AE_FPIN_PORT_CONGESTED = 0x2,
+ IBMVFC_AE_FPIN_PORT_CLEARED = 0x3,
+ IBMVFC_AE_FPIN_PORT_DEGRADED = 0x4,
+};
+
struct ibmvfc_async_crq {
volatile u8 valid;
u8 link_state;
- u8 pad[2];
+ u8 fpin_status;
+ u8 pad;
__be32 pad2;
volatile __be64 event;
volatile __be64 scsi_id;
volatile __be64 wwpn;
volatile __be64 node_name;
__be64 reserved;
-}__attribute__((packed, aligned (8)));
-
-struct ibmvfc_async_crq_queue {
- struct ibmvfc_async_crq *msgs;
- int size, cur;
- dma_addr_t msg_token;
-};
+} __packed __aligned(8);
union ibmvfc_iu {
struct ibmvfc_mad_common mad_common;
@@ -594,25 +693,40 @@ union ibmvfc_iu {
struct ibmvfc_discover_targets discover_targets;
struct ibmvfc_port_login plogi;
struct ibmvfc_process_login prli;
+ struct ibmvfc_move_login move_login;
struct ibmvfc_query_tgt query_tgt;
struct ibmvfc_implicit_logout implicit_logout;
struct ibmvfc_tmf tmf;
struct ibmvfc_cmd cmd;
struct ibmvfc_passthru_mad passthru;
-}__attribute__((packed, aligned (8)));
+ struct ibmvfc_channel_enquiry channel_enquiry;
+ struct ibmvfc_channel_setup_mad channel_setup;
+ struct ibmvfc_connection_info connection_info;
+} __packed __aligned(8);
enum ibmvfc_target_action {
IBMVFC_TGT_ACTION_NONE = 0,
IBMVFC_TGT_ACTION_INIT,
IBMVFC_TGT_ACTION_INIT_WAIT,
+ IBMVFC_TGT_ACTION_LOGOUT_RPORT,
+ IBMVFC_TGT_ACTION_LOGOUT_RPORT_WAIT,
IBMVFC_TGT_ACTION_DEL_RPORT,
IBMVFC_TGT_ACTION_DELETED_RPORT,
+ IBMVFC_TGT_ACTION_DEL_AND_LOGOUT_RPORT,
+ IBMVFC_TGT_ACTION_LOGOUT_DELETED_RPORT,
+};
+
+enum ibmvfc_protocol {
+ IBMVFC_PROTO_SCSI = 0,
+ IBMVFC_PROTO_NVME = 1,
};
struct ibmvfc_target {
struct list_head queue;
struct ibmvfc_host *vhost;
+ enum ibmvfc_protocol protocol;
u64 scsi_id;
+ u64 wwpn;
u64 new_scsi_id;
struct fc_rport *rport;
int target_id;
@@ -621,6 +735,7 @@ struct ibmvfc_target {
int add_rport;
int init_retries;
int logo_rcvd;
+ int move_login;
u32 cancel_key;
struct ibmvfc_service_parms service_parms;
struct ibmvfc_service_parms service_parms_change;
@@ -632,13 +747,17 @@ struct ibmvfc_target {
/* a unit of work for the hosting partition */
struct ibmvfc_event {
- struct list_head queue;
+ struct list_head queue_list;
+ struct list_head cancel;
struct ibmvfc_host *vhost;
+ struct ibmvfc_queue *queue;
struct ibmvfc_target *tgt;
struct scsi_cmnd *cmnd;
atomic_t free;
+ atomic_t active;
union ibmvfc_iu *xfer_iu;
- void (*done) (struct ibmvfc_event *);
+ void (*done)(struct ibmvfc_event *evt);
+ void (*_done)(struct ibmvfc_event *evt);
struct ibmvfc_crq crq;
union ibmvfc_iu iu;
union ibmvfc_iu *sync_iu;
@@ -647,6 +766,8 @@ struct ibmvfc_event {
struct completion comp;
struct completion *eh_comp;
struct timer_list timer;
+ u16 hwq;
+ u8 reserved;
};
/* a pool of event structs for use */
@@ -657,6 +778,61 @@ struct ibmvfc_event_pool {
dma_addr_t iu_token;
};
+enum ibmvfc_msg_fmt {
+ IBMVFC_CRQ_FMT = 0,
+ IBMVFC_ASYNC_FMT,
+ IBMVFC_SUB_CRQ_FMT,
+};
+
+union ibmvfc_msgs {
+ void *handle;
+ struct ibmvfc_crq *crq;
+ struct ibmvfc_async_crq *async;
+ struct ibmvfc_sub_crq *scrq;
+};
+
+struct ibmvfc_queue {
+ union ibmvfc_msgs msgs;
+ dma_addr_t msg_token;
+ enum ibmvfc_msg_fmt fmt;
+ int size, cur;
+ spinlock_t _lock;
+ spinlock_t *q_lock;
+
+ struct ibmvfc_host *vhost;
+ struct ibmvfc_event_pool evt_pool;
+ struct list_head sent;
+ struct list_head free;
+ u16 total_depth;
+ u16 evt_depth;
+ u16 reserved_depth;
+ u16 evt_free;
+ u16 reserved_free;
+ spinlock_t l_lock;
+
+ union ibmvfc_iu cancel_rsp;
+
+ /* Sub-CRQ fields */
+ unsigned long cookie;
+ unsigned long vios_cookie;
+ unsigned long hw_irq;
+ unsigned long irq;
+ unsigned long hwq_id;
+ char name[32];
+ irq_handler_t handler;
+};
+
+struct ibmvfc_channels {
+ struct ibmvfc_queue *scrqs;
+ enum ibmvfc_protocol protocol;
+ unsigned int active_queues;
+ unsigned int desired_queues;
+ unsigned int max_queues;
+ int disc_buf_sz;
+ struct ibmvfc_discover_targets_entry *disc_buf;
+ dma_addr_t disc_buf_dma;
+};
+
enum ibmvfc_host_action {
IBMVFC_HOST_ACTION_NONE = 0,
IBMVFC_HOST_ACTION_RESET,
@@ -691,41 +867,45 @@ struct ibmvfc_host {
enum ibmvfc_host_action action;
#define IBMVFC_NUM_TRACE_INDEX_BITS 8
#define IBMVFC_NUM_TRACE_ENTRIES (1 << IBMVFC_NUM_TRACE_INDEX_BITS)
+#define IBMVFC_TRACE_INDEX_MASK (IBMVFC_NUM_TRACE_ENTRIES - 1)
#define IBMVFC_TRACE_SIZE (sizeof(struct ibmvfc_trace_entry) * IBMVFC_NUM_TRACE_ENTRIES)
struct ibmvfc_trace_entry *trace;
- u32 trace_index:IBMVFC_NUM_TRACE_INDEX_BITS;
+ atomic_t trace_index;
int num_targets;
struct list_head targets;
- struct list_head sent;
- struct list_head free;
+ struct list_head purge;
struct device *dev;
- struct ibmvfc_event_pool pool;
struct dma_pool *sg_pool;
mempool_t *tgt_pool;
- struct ibmvfc_crq_queue crq;
- struct ibmvfc_async_crq_queue async_crq;
+ struct ibmvfc_queue crq;
+ struct ibmvfc_queue async_crq;
+ struct ibmvfc_channels scsi_scrqs;
struct ibmvfc_npiv_login login_info;
union ibmvfc_npiv_login_data *login_buf;
dma_addr_t login_buf_dma;
- int disc_buf_sz;
+ struct ibmvfc_channel_setup *channel_setup_buf;
+ dma_addr_t channel_setup_dma;
int log_level;
- struct ibmvfc_discover_targets_buf *disc_buf;
struct mutex passthru_mutex;
+ unsigned int max_vios_scsi_channels;
int task_set;
int init_retries;
int discovery_threads;
int abort_threads;
- int client_migrated;
- int reinit;
- int delay_init;
- int scan_complete;
- int logged_in;
- int aborting_passthru;
+ unsigned int client_migrated:1;
+ unsigned int reinit:1;
+ unsigned int delay_init:1;
+ unsigned int logged_in:1;
+ unsigned int mq_enabled:1;
+ unsigned int using_channels:1;
+ unsigned int do_enquiry:1;
+ unsigned int aborting_passthru:1;
+ unsigned int scan_complete:1;
+ int scan_timeout;
int events_to_log;
#define IBMVFC_AE_LINKUP 0x0001
#define IBMVFC_AE_LINKDOWN 0x0002
#define IBMVFC_AE_RSCN 0x0004
- dma_addr_t disc_buf_dma;
unsigned int partition_number;
char partition_name[97];
void (*job_step) (struct ibmvfc_host *);
generated by cgit (git 2.34.1) at 2025-12-25 14:48:44 +0000