linux-hardened/drivers/scsi/be2iscsi/be_mgmt.h
Jayamohan Kallickal 3cbb7a74a7 [SCSI] be2iscsi: Fix for premature buffer free
This patch fixes a bug where the buffer was being freed as soon as
 submission to HW is done.

Signed-off-by: Jayamohan Kallickal <jayamohank@serverengines.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-28 09:05:37 -05:00

252 lines
6.5 KiB
C

/**
* Copyright (C) 2005 - 2010 ServerEngines
* All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation. The full GNU General
* Public License is included in this distribution in the file called COPYING.
*
* Written by: Jayamohan Kallickal (jayamohank@serverengines.com)
*
* Contact Information:
* linux-drivers@serverengines.com
*
* ServerEngines
* 209 N. Fair Oaks Ave
* Sunnyvale, CA 94085
*
*/
#ifndef _BEISCSI_MGMT_
#define _BEISCSI_MGMT_
#include <linux/types.h>
#include <linux/list.h>
#include "be_iscsi.h"
#include "be_main.h"
/**
* Pseudo amap definition in which each bit of the actual structure is defined
* as a byte: used to calculate offset/shift/mask of each field
*/
struct amap_mcc_sge {
u8 pa_lo[32]; /* dword 0 */
u8 pa_hi[32]; /* dword 1 */
u8 length[32]; /* DWORD 2 */
} __packed;
/**
* Pseudo amap definition in which each bit of the actual structure is defined
* as a byte: used to calculate offset/shift/mask of each field
*/
struct amap_mcc_wrb_payload {
union {
struct amap_mcc_sge sgl[19];
u8 embedded[59 * 32]; /* DWORDS 57 to 115 */
} u;
} __packed;
/**
* Pseudo amap definition in which each bit of the actual structure is defined
* as a byte: used to calculate offset/shift/mask of each field
*/
struct amap_mcc_wrb {
u8 embedded; /* DWORD 0 */
u8 rsvd0[2]; /* DWORD 0 */
u8 sge_count[5]; /* DWORD 0 */
u8 rsvd1[16]; /* DWORD 0 */
u8 special[8]; /* DWORD 0 */
u8 payload_length[32];
u8 tag[64]; /* DWORD 2 */
u8 rsvd2[32]; /* DWORD 4 */
struct amap_mcc_wrb_payload payload;
};
struct mcc_sge {
u32 pa_lo; /* dword 0 */
u32 pa_hi; /* dword 1 */
u32 length; /* DWORD 2 */
} __packed;
struct mcc_wrb_payload {
union {
struct mcc_sge sgl[19];
u32 embedded[59]; /* DWORDS 57 to 115 */
} u;
} __packed;
#define MCC_WRB_EMBEDDED_MASK 0x00000001
struct mcc_wrb {
u32 dw[0]; /* DWORD 0 */
u32 payload_length;
u32 tag[2]; /* DWORD 2 */
u32 rsvd2[1]; /* DWORD 4 */
struct mcc_wrb_payload payload;
};
int mgmt_epfw_cleanup(struct beiscsi_hba *phba, unsigned short chute);
int mgmt_open_connection(struct beiscsi_hba *phba,
struct sockaddr *dst_addr,
struct beiscsi_endpoint *beiscsi_ep,
struct be_dma_mem *nonemb_cmd);
unsigned int mgmt_upload_connection(struct beiscsi_hba *phba,
unsigned short cid,
unsigned int upload_flag);
unsigned int mgmt_invalidate_icds(struct beiscsi_hba *phba,
struct invalidate_command_table *inv_tbl,
unsigned int num_invalidate, unsigned int cid,
struct be_dma_mem *nonemb_cmd);
struct iscsi_invalidate_connection_params_in {
struct be_cmd_req_hdr hdr;
unsigned int session_handle;
unsigned short cid;
unsigned short unused;
unsigned short cleanup_type;
unsigned short save_cfg;
} __packed;
struct iscsi_invalidate_connection_params_out {
unsigned int session_handle;
unsigned short cid;
unsigned short unused;
} __packed;
union iscsi_invalidate_connection_params {
struct iscsi_invalidate_connection_params_in request;
struct iscsi_invalidate_connection_params_out response;
} __packed;
struct invalidate_commands_params_in {
struct be_cmd_req_hdr hdr;
unsigned int ref_handle;
unsigned int icd_count;
struct invalidate_command_table table[128];
unsigned short cleanup_type;
unsigned short unused;
} __packed;
struct invalidate_commands_params_out {
unsigned int ref_handle;
unsigned int icd_count;
unsigned int icd_status[128];
} __packed;
union invalidate_commands_params {
struct invalidate_commands_params_in request;
struct invalidate_commands_params_out response;
} __packed;
struct mgmt_hba_attributes {
u8 flashrom_version_string[32];
u8 manufacturer_name[32];
u32 supported_modes;
u8 seeprom_version_lo;
u8 seeprom_version_hi;
u8 rsvd0[2];
u32 fw_cmd_data_struct_version;
u32 ep_fw_data_struct_version;
u32 future_reserved[12];
u32 default_extended_timeout;
u8 controller_model_number[32];
u8 controller_description[64];
u8 controller_serial_number[32];
u8 ip_version_string[32];
u8 firmware_version_string[32];
u8 bios_version_string[32];
u8 redboot_version_string[32];
u8 driver_version_string[32];
u8 fw_on_flash_version_string[32];
u32 functionalities_supported;
u16 max_cdblength;
u8 asic_revision;
u8 generational_guid[16];
u8 hba_port_count;
u16 default_link_down_timeout;
u8 iscsi_ver_min_max;
u8 multifunction_device;
u8 cache_valid;
u8 hba_status;
u8 max_domains_supported;
u8 phy_port;
u32 firmware_post_status;
u32 hba_mtu[8];
u8 iscsi_features;
u8 future_u8[3];
u32 future_u32[3];
} __packed;
struct mgmt_controller_attributes {
struct mgmt_hba_attributes hba_attribs;
u16 pci_vendor_id;
u16 pci_device_id;
u16 pci_sub_vendor_id;
u16 pci_sub_system_id;
u8 pci_bus_number;
u8 pci_device_number;
u8 pci_function_number;
u8 interface_type;
u64 unique_identifier;
u8 netfilters;
u8 rsvd0[3];
u8 future_u32[4];
} __packed;
struct be_mgmt_controller_attributes {
struct be_cmd_req_hdr hdr;
struct mgmt_controller_attributes params;
} __packed;
struct be_mgmt_controller_attributes_resp {
struct be_cmd_resp_hdr hdr;
struct mgmt_controller_attributes params;
} __packed;
/* configuration management */
#define GET_MGMT_CONTROLLER_WS(phba) (phba->pmgmt_ws)
/* MGMT CMD flags */
#define MGMT_CMDH_FREE (1<<0)
/* --- MGMT_ERROR_CODES --- */
/* Error Codes returned in the status field of the CMD response header */
#define MGMT_STATUS_SUCCESS 0 /* The CMD completed without errors */
#define MGMT_STATUS_FAILED 1 /* Error status in the Status field of */
/* the CMD_RESPONSE_HEADER */
#define ISCSI_GET_PDU_TEMPLATE_ADDRESS(pc, pa) {\
pa->lo = phba->init_mem[ISCSI_MEM_GLOBAL_HEADER].mem_array[0].\
bus_address.u.a32.address_lo; \
pa->hi = phba->init_mem[ISCSI_MEM_GLOBAL_HEADER].mem_array[0].\
bus_address.u.a32.address_hi; \
}
struct beiscsi_endpoint {
struct beiscsi_hba *phba;
struct beiscsi_sess *sess;
struct beiscsi_conn *conn;
struct iscsi_endpoint *openiscsi_ep;
unsigned short ip_type;
char dst6_addr[ISCSI_ADDRESS_BUF_LEN];
unsigned long dst_addr;
unsigned short ep_cid;
unsigned int fw_handle;
u16 dst_tcpport;
u16 cid_vld;
};
int mgmt_get_fw_config(struct be_ctrl_info *ctrl,
struct beiscsi_hba *phba);
unsigned int mgmt_invalidate_connection(struct beiscsi_hba *phba,
struct beiscsi_endpoint *beiscsi_ep,
unsigned short cid,
unsigned short issue_reset,
unsigned short savecfg_flag);
#endif