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gem5 / arm / linux / 33974a414ce2324554f75dbd204ff0868f499e32 / . / drivers / scsi / pm8001 / pm8001_hwi.c
blob: 10546faac58c62be292fef30551a293cc7147932 [file] [log] [blame]
/*
* PMC-Sierra SPC 8001 SAS/SATA based host adapters driver
*
* Copyright (c) 2008-2009 USI Co., Ltd.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*
*/
#include <linux/slab.h>
#include "pm8001_sas.h"
#include "pm8001_hwi.h"
#include "pm8001_chips.h"
#include "pm8001_ctl.h"
/**
* read_main_config_table - read the configure table and save it.
* @pm8001_ha: our hba card information
*/
static void read_main_config_table(struct pm8001_hba_info *pm8001_ha)
{
void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
pm8001_ha->main_cfg_tbl.pm8001_tbl.signature =
pm8001_mr32(address, 0x00);
pm8001_ha->main_cfg_tbl.pm8001_tbl.interface_rev =
pm8001_mr32(address, 0x04);
pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev =
pm8001_mr32(address, 0x08);
pm8001_ha->main_cfg_tbl.pm8001_tbl.max_out_io =
pm8001_mr32(address, 0x0C);
pm8001_ha->main_cfg_tbl.pm8001_tbl.max_sgl =
pm8001_mr32(address, 0x10);
pm8001_ha->main_cfg_tbl.pm8001_tbl.ctrl_cap_flag =
pm8001_mr32(address, 0x14);
pm8001_ha->main_cfg_tbl.pm8001_tbl.gst_offset =
pm8001_mr32(address, 0x18);
pm8001_ha->main_cfg_tbl.pm8001_tbl.inbound_queue_offset =
pm8001_mr32(address, MAIN_IBQ_OFFSET);
pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_queue_offset =
pm8001_mr32(address, MAIN_OBQ_OFFSET);
pm8001_ha->main_cfg_tbl.pm8001_tbl.hda_mode_flag =
pm8001_mr32(address, MAIN_HDA_FLAGS_OFFSET);
/* read analog Setting offset from the configuration table */
pm8001_ha->main_cfg_tbl.pm8001_tbl.anolog_setup_table_offset =
pm8001_mr32(address, MAIN_ANALOG_SETUP_OFFSET);
/* read Error Dump Offset and Length */
pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_dump_offset0 =
pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_OFFSET);
pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_dump_length0 =
pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_LENGTH);
pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_dump_offset1 =
pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_OFFSET);
pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_dump_length1 =
pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_LENGTH);
}
/**
* read_general_status_table - read the general status table and save it.
* @pm8001_ha: our hba card information
*/
static void read_general_status_table(struct pm8001_hba_info *pm8001_ha)
{
void __iomem *address = pm8001_ha->general_stat_tbl_addr;
pm8001_ha->gs_tbl.pm8001_tbl.gst_len_mpistate =
pm8001_mr32(address, 0x00);
pm8001_ha->gs_tbl.pm8001_tbl.iq_freeze_state0 =
pm8001_mr32(address, 0x04);
pm8001_ha->gs_tbl.pm8001_tbl.iq_freeze_state1 =
pm8001_mr32(address, 0x08);
pm8001_ha->gs_tbl.pm8001_tbl.msgu_tcnt =
pm8001_mr32(address, 0x0C);
pm8001_ha->gs_tbl.pm8001_tbl.iop_tcnt =
pm8001_mr32(address, 0x10);
pm8001_ha->gs_tbl.pm8001_tbl.rsvd =
pm8001_mr32(address, 0x14);
pm8001_ha->gs_tbl.pm8001_tbl.phy_state[0] =
pm8001_mr32(address, 0x18);
pm8001_ha->gs_tbl.pm8001_tbl.phy_state[1] =
pm8001_mr32(address, 0x1C);
pm8001_ha->gs_tbl.pm8001_tbl.phy_state[2] =
pm8001_mr32(address, 0x20);
pm8001_ha->gs_tbl.pm8001_tbl.phy_state[3] =
pm8001_mr32(address, 0x24);
pm8001_ha->gs_tbl.pm8001_tbl.phy_state[4] =
pm8001_mr32(address, 0x28);
pm8001_ha->gs_tbl.pm8001_tbl.phy_state[5] =
pm8001_mr32(address, 0x2C);
pm8001_ha->gs_tbl.pm8001_tbl.phy_state[6] =
pm8001_mr32(address, 0x30);
pm8001_ha->gs_tbl.pm8001_tbl.phy_state[7] =
pm8001_mr32(address, 0x34);
pm8001_ha->gs_tbl.pm8001_tbl.gpio_input_val =
pm8001_mr32(address, 0x38);
pm8001_ha->gs_tbl.pm8001_tbl.rsvd1[0] =
pm8001_mr32(address, 0x3C);
pm8001_ha->gs_tbl.pm8001_tbl.rsvd1[1] =
pm8001_mr32(address, 0x40);
pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[0] =
pm8001_mr32(address, 0x44);
pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[1] =
pm8001_mr32(address, 0x48);
pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[2] =
pm8001_mr32(address, 0x4C);
pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[3] =
pm8001_mr32(address, 0x50);
pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[4] =
pm8001_mr32(address, 0x54);
pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[5] =
pm8001_mr32(address, 0x58);
pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[6] =
pm8001_mr32(address, 0x5C);
pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[7] =
pm8001_mr32(address, 0x60);
}
/**
* read_inbnd_queue_table - read the inbound queue table and save it.
* @pm8001_ha: our hba card information
*/
static void read_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
{
int i;
void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
for (i = 0; i < PM8001_MAX_INB_NUM; i++) {
u32 offset = i * 0x20;
pm8001_ha->inbnd_q_tbl[i].pi_pci_bar =
get_pci_bar_index(pm8001_mr32(address, (offset + 0x14)));
pm8001_ha->inbnd_q_tbl[i].pi_offset =
pm8001_mr32(address, (offset + 0x18));
}
}
/**
* read_outbnd_queue_table - read the outbound queue table and save it.
* @pm8001_ha: our hba card information
*/
static void read_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
{
int i;
void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
for (i = 0; i < PM8001_MAX_OUTB_NUM; i++) {
u32 offset = i * 0x24;
pm8001_ha->outbnd_q_tbl[i].ci_pci_bar =
get_pci_bar_index(pm8001_mr32(address, (offset + 0x14)));
pm8001_ha->outbnd_q_tbl[i].ci_offset =
pm8001_mr32(address, (offset + 0x18));
}
}
/**
* init_default_table_values - init the default table.
* @pm8001_ha: our hba card information
*/
static void init_default_table_values(struct pm8001_hba_info *pm8001_ha)
{
int i;
u32 offsetib, offsetob;
void __iomem *addressib = pm8001_ha->inbnd_q_tbl_addr;
void __iomem *addressob = pm8001_ha->outbnd_q_tbl_addr;
pm8001_ha->main_cfg_tbl.pm8001_tbl.inbound_q_nppd_hppd = 0;
pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_hw_event_pid0_3 = 0;
pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_hw_event_pid4_7 = 0;
pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_ncq_event_pid0_3 = 0;
pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_ncq_event_pid4_7 = 0;
pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_ITNexus_event_pid0_3 =
0;
pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_ITNexus_event_pid4_7 =
0;
pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_ssp_event_pid0_3 = 0;
pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_ssp_event_pid4_7 = 0;
pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_smp_event_pid0_3 = 0;
pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_smp_event_pid4_7 = 0;
pm8001_ha->main_cfg_tbl.pm8001_tbl.upper_event_log_addr =
pm8001_ha->memoryMap.region[AAP1].phys_addr_hi;
pm8001_ha->main_cfg_tbl.pm8001_tbl.lower_event_log_addr =
pm8001_ha->memoryMap.region[AAP1].phys_addr_lo;
pm8001_ha->main_cfg_tbl.pm8001_tbl.event_log_size =
PM8001_EVENT_LOG_SIZE;
pm8001_ha->main_cfg_tbl.pm8001_tbl.event_log_option = 0x01;
pm8001_ha->main_cfg_tbl.pm8001_tbl.upper_iop_event_log_addr =
pm8001_ha->memoryMap.region[IOP].phys_addr_hi;
pm8001_ha->main_cfg_tbl.pm8001_tbl.lower_iop_event_log_addr =
pm8001_ha->memoryMap.region[IOP].phys_addr_lo;
pm8001_ha->main_cfg_tbl.pm8001_tbl.iop_event_log_size =
PM8001_EVENT_LOG_SIZE;
pm8001_ha->main_cfg_tbl.pm8001_tbl.iop_event_log_option = 0x01;
pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_interrupt = 0x01;
for (i = 0; i < PM8001_MAX_INB_NUM; i++) {
pm8001_ha->inbnd_q_tbl[i].element_pri_size_cnt =
PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x00<<30);
pm8001_ha->inbnd_q_tbl[i].upper_base_addr =
pm8001_ha->memoryMap.region[IB + i].phys_addr_hi;
pm8001_ha->inbnd_q_tbl[i].lower_base_addr =
pm8001_ha->memoryMap.region[IB + i].phys_addr_lo;
pm8001_ha->inbnd_q_tbl[i].base_virt =
(u8 *)pm8001_ha->memoryMap.region[IB + i].virt_ptr;
pm8001_ha->inbnd_q_tbl[i].total_length =
pm8001_ha->memoryMap.region[IB + i].total_len;
pm8001_ha->inbnd_q_tbl[i].ci_upper_base_addr =
pm8001_ha->memoryMap.region[CI + i].phys_addr_hi;
pm8001_ha->inbnd_q_tbl[i].ci_lower_base_addr =
pm8001_ha->memoryMap.region[CI + i].phys_addr_lo;
pm8001_ha->inbnd_q_tbl[i].ci_virt =
pm8001_ha->memoryMap.region[CI + i].virt_ptr;
offsetib = i * 0x20;
pm8001_ha->inbnd_q_tbl[i].pi_pci_bar =
get_pci_bar_index(pm8001_mr32(addressib,
(offsetib + 0x14)));
pm8001_ha->inbnd_q_tbl[i].pi_offset =
pm8001_mr32(addressib, (offsetib + 0x18));
pm8001_ha->inbnd_q_tbl[i].producer_idx = 0;
pm8001_ha->inbnd_q_tbl[i].consumer_index = 0;
}
for (i = 0; i < PM8001_MAX_OUTB_NUM; i++) {
pm8001_ha->outbnd_q_tbl[i].element_size_cnt =
PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x01<<30);
pm8001_ha->outbnd_q_tbl[i].upper_base_addr =
pm8001_ha->memoryMap.region[OB + i].phys_addr_hi;
pm8001_ha->outbnd_q_tbl[i].lower_base_addr =
pm8001_ha->memoryMap.region[OB + i].phys_addr_lo;
pm8001_ha->outbnd_q_tbl[i].base_virt =
(u8 *)pm8001_ha->memoryMap.region[OB + i].virt_ptr;
pm8001_ha->outbnd_q_tbl[i].total_length =
pm8001_ha->memoryMap.region[OB + i].total_len;
pm8001_ha->outbnd_q_tbl[i].pi_upper_base_addr =
pm8001_ha->memoryMap.region[PI + i].phys_addr_hi;
pm8001_ha->outbnd_q_tbl[i].pi_lower_base_addr =
pm8001_ha->memoryMap.region[PI + i].phys_addr_lo;
pm8001_ha->outbnd_q_tbl[i].interrup_vec_cnt_delay =
0 | (10 << 16) | (i << 24);
pm8001_ha->outbnd_q_tbl[i].pi_virt =
pm8001_ha->memoryMap.region[PI + i].virt_ptr;
offsetob = i * 0x24;
pm8001_ha->outbnd_q_tbl[i].ci_pci_bar =
get_pci_bar_index(pm8001_mr32(addressob,
offsetob + 0x14));
pm8001_ha->outbnd_q_tbl[i].ci_offset =
pm8001_mr32(addressob, (offsetob + 0x18));
pm8001_ha->outbnd_q_tbl[i].consumer_idx = 0;
pm8001_ha->outbnd_q_tbl[i].producer_index = 0;
}
}
/**
* update_main_config_table - update the main default table to the HBA.
* @pm8001_ha: our hba card information
*/
static void update_main_config_table(struct pm8001_hba_info *pm8001_ha)
{
void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
pm8001_mw32(address, 0x24,
pm8001_ha->main_cfg_tbl.pm8001_tbl.inbound_q_nppd_hppd);
pm8001_mw32(address, 0x28,
pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_hw_event_pid0_3);
pm8001_mw32(address, 0x2C,
pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_hw_event_pid4_7);
pm8001_mw32(address, 0x30,
pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_ncq_event_pid0_3);
pm8001_mw32(address, 0x34,
pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_ncq_event_pid4_7);
pm8001_mw32(address, 0x38,
pm8001_ha->main_cfg_tbl.pm8001_tbl.
outbound_tgt_ITNexus_event_pid0_3);
pm8001_mw32(address, 0x3C,
pm8001_ha->main_cfg_tbl.pm8001_tbl.
outbound_tgt_ITNexus_event_pid4_7);
pm8001_mw32(address, 0x40,
pm8001_ha->main_cfg_tbl.pm8001_tbl.
outbound_tgt_ssp_event_pid0_3);
pm8001_mw32(address, 0x44,
pm8001_ha->main_cfg_tbl.pm8001_tbl.
outbound_tgt_ssp_event_pid4_7);
pm8001_mw32(address, 0x48,
pm8001_ha->main_cfg_tbl.pm8001_tbl.
outbound_tgt_smp_event_pid0_3);
pm8001_mw32(address, 0x4C,
pm8001_ha->main_cfg_tbl.pm8001_tbl.
outbound_tgt_smp_event_pid4_7);
pm8001_mw32(address, 0x50,
pm8001_ha->main_cfg_tbl.pm8001_tbl.upper_event_log_addr);
pm8001_mw32(address, 0x54,
pm8001_ha->main_cfg_tbl.pm8001_tbl.lower_event_log_addr);
pm8001_mw32(address, 0x58,
pm8001_ha->main_cfg_tbl.pm8001_tbl.event_log_size);
pm8001_mw32(address, 0x5C,
pm8001_ha->main_cfg_tbl.pm8001_tbl.event_log_option);
pm8001_mw32(address, 0x60,
pm8001_ha->main_cfg_tbl.pm8001_tbl.upper_iop_event_log_addr);
pm8001_mw32(address, 0x64,
pm8001_ha->main_cfg_tbl.pm8001_tbl.lower_iop_event_log_addr);
pm8001_mw32(address, 0x68,
pm8001_ha->main_cfg_tbl.pm8001_tbl.iop_event_log_size);
pm8001_mw32(address, 0x6C,
pm8001_ha->main_cfg_tbl.pm8001_tbl.iop_event_log_option);
pm8001_mw32(address, 0x70,
pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_interrupt);
}
/**
* update_inbnd_queue_table - update the inbound queue table to the HBA.
* @pm8001_ha: our hba card information
*/
static void update_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
int number)
{
void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
u16 offset = number * 0x20;
pm8001_mw32(address, offset + 0x00,
pm8001_ha->inbnd_q_tbl[number].element_pri_size_cnt);
pm8001_mw32(address, offset + 0x04,
pm8001_ha->inbnd_q_tbl[number].upper_base_addr);
pm8001_mw32(address, offset + 0x08,
pm8001_ha->inbnd_q_tbl[number].lower_base_addr);
pm8001_mw32(address, offset + 0x0C,
pm8001_ha->inbnd_q_tbl[number].ci_upper_base_addr);
pm8001_mw32(address, offset + 0x10,
pm8001_ha->inbnd_q_tbl[number].ci_lower_base_addr);
}
/**
* update_outbnd_queue_table - update the outbound queue table to the HBA.
* @pm8001_ha: our hba card information
*/
static void update_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
int number)
{
void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
u16 offset = number * 0x24;
pm8001_mw32(address, offset + 0x00,
pm8001_ha->outbnd_q_tbl[number].element_size_cnt);
pm8001_mw32(address, offset + 0x04,
pm8001_ha->outbnd_q_tbl[number].upper_base_addr);
pm8001_mw32(address, offset + 0x08,
pm8001_ha->outbnd_q_tbl[number].lower_base_addr);
pm8001_mw32(address, offset + 0x0C,
pm8001_ha->outbnd_q_tbl[number].pi_upper_base_addr);
pm8001_mw32(address, offset + 0x10,
pm8001_ha->outbnd_q_tbl[number].pi_lower_base_addr);
pm8001_mw32(address, offset + 0x1C,
pm8001_ha->outbnd_q_tbl[number].interrup_vec_cnt_delay);
}
/**
* pm8001_bar4_shift - function is called to shift BAR base address
* @pm8001_ha : our hba card infomation
* @shiftValue : shifting value in memory bar.
*/
int pm8001_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue)
{
u32 regVal;
unsigned long start;
/* program the inbound AXI translation Lower Address */
pm8001_cw32(pm8001_ha, 1, SPC_IBW_AXI_TRANSLATION_LOW, shiftValue);
/* confirm the setting is written */
start = jiffies + HZ; /* 1 sec */
do {
regVal = pm8001_cr32(pm8001_ha, 1, SPC_IBW_AXI_TRANSLATION_LOW);
} while ((regVal != shiftValue) && time_before(jiffies, start));
if (regVal != shiftValue) {
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("TIMEOUT:SPC_IBW_AXI_TRANSLATION_LOW"
" = 0x%x\n", regVal));
return -1;
}
return 0;
}
/**
* mpi_set_phys_g3_with_ssc
* @pm8001_ha: our hba card information
* @SSCbit: set SSCbit to 0 to disable all phys ssc; 1 to enable all phys ssc.
*/
static void mpi_set_phys_g3_with_ssc(struct pm8001_hba_info *pm8001_ha,
u32 SSCbit)
{
u32 value, offset, i;
unsigned long flags;
#define SAS2_SETTINGS_LOCAL_PHY_0_3_SHIFT_ADDR 0x00030000
#define SAS2_SETTINGS_LOCAL_PHY_4_7_SHIFT_ADDR 0x00040000
#define SAS2_SETTINGS_LOCAL_PHY_0_3_OFFSET 0x1074
#define SAS2_SETTINGS_LOCAL_PHY_4_7_OFFSET 0x1074
#define PHY_G3_WITHOUT_SSC_BIT_SHIFT 12
#define PHY_G3_WITH_SSC_BIT_SHIFT 13
#define SNW3_PHY_CAPABILITIES_PARITY 31
/*
* Using shifted destination address 0x3_0000:0x1074 + 0x4000*N (N=0:3)
* Using shifted destination address 0x4_0000:0x1074 + 0x4000*(N-4) (N=4:7)
*/
spin_lock_irqsave(&pm8001_ha->lock, flags);
if (-1 == pm8001_bar4_shift(pm8001_ha,
SAS2_SETTINGS_LOCAL_PHY_0_3_SHIFT_ADDR)) {
spin_unlock_irqrestore(&pm8001_ha->lock, flags);
return;
}
for (i = 0; i < 4; i++) {
offset = SAS2_SETTINGS_LOCAL_PHY_0_3_OFFSET + 0x4000 * i;
pm8001_cw32(pm8001_ha, 2, offset, 0x80001501);
}
/* shift membase 3 for SAS2_SETTINGS_LOCAL_PHY 4 - 7 */
if (-1 == pm8001_bar4_shift(pm8001_ha,
SAS2_SETTINGS_LOCAL_PHY_4_7_SHIFT_ADDR)) {
spin_unlock_irqrestore(&pm8001_ha->lock, flags);
return;
}
for (i = 4; i < 8; i++) {
offset = SAS2_SETTINGS_LOCAL_PHY_4_7_OFFSET + 0x4000 * (i-4);
pm8001_cw32(pm8001_ha, 2, offset, 0x80001501);
}
/*************************************************************
Change the SSC upspreading value to 0x0 so that upspreading is disabled.
Device MABC SMOD0 Controls
Address: (via MEMBASE-III):
Using shifted destination address 0x0_0000: with Offset 0xD8
31:28 R/W Reserved Do not change
27:24 R/W SAS_SMOD_SPRDUP 0000
23:20 R/W SAS_SMOD_SPRDDN 0000
19:0 R/W Reserved Do not change
Upon power-up this register will read as 0x8990c016,
and I would like you to change the SAS_SMOD_SPRDUP bits to 0b0000
so that the written value will be 0x8090c016.
This will ensure only down-spreading SSC is enabled on the SPC.
*************************************************************/
value = pm8001_cr32(pm8001_ha, 2, 0xd8);
pm8001_cw32(pm8001_ha, 2, 0xd8, 0x8000C016);
/*set the shifted destination address to 0x0 to avoid error operation */
pm8001_bar4_shift(pm8001_ha, 0x0);
spin_unlock_irqrestore(&pm8001_ha->lock, flags);
return;
}
/**
* mpi_set_open_retry_interval_reg
* @pm8001_ha: our hba card information
* @interval - interval time for each OPEN_REJECT (RETRY). The units are in 1us.
*/
static void mpi_set_open_retry_interval_reg(struct pm8001_hba_info *pm8001_ha,
u32 interval)
{
u32 offset;
u32 value;
u32 i;
unsigned long flags;
#define OPEN_RETRY_INTERVAL_PHY_0_3_SHIFT_ADDR 0x00030000
#define OPEN_RETRY_INTERVAL_PHY_4_7_SHIFT_ADDR 0x00040000
#define OPEN_RETRY_INTERVAL_PHY_0_3_OFFSET 0x30B4
#define OPEN_RETRY_INTERVAL_PHY_4_7_OFFSET 0x30B4
#define OPEN_RETRY_INTERVAL_REG_MASK 0x0000FFFF
value = interval & OPEN_RETRY_INTERVAL_REG_MASK;
spin_lock_irqsave(&pm8001_ha->lock, flags);
/* shift bar and set the OPEN_REJECT(RETRY) interval time of PHY 0 -3.*/
if (-1 == pm8001_bar4_shift(pm8001_ha,
OPEN_RETRY_INTERVAL_PHY_0_3_SHIFT_ADDR)) {
spin_unlock_irqrestore(&pm8001_ha->lock, flags);
return;
}
for (i = 0; i < 4; i++) {
offset = OPEN_RETRY_INTERVAL_PHY_0_3_OFFSET + 0x4000 * i;
pm8001_cw32(pm8001_ha, 2, offset, value);
}
if (-1 == pm8001_bar4_shift(pm8001_ha,
OPEN_RETRY_INTERVAL_PHY_4_7_SHIFT_ADDR)) {
spin_unlock_irqrestore(&pm8001_ha->lock, flags);
return;
}
for (i = 4; i < 8; i++) {
offset = OPEN_RETRY_INTERVAL_PHY_4_7_OFFSET + 0x4000 * (i-4);
pm8001_cw32(pm8001_ha, 2, offset, value);
}
/*set the shifted destination address to 0x0 to avoid error operation */
pm8001_bar4_shift(pm8001_ha, 0x0);
spin_unlock_irqrestore(&pm8001_ha->lock, flags);
return;
}
/**
* mpi_init_check - check firmware initialization status.
* @pm8001_ha: our hba card information
*/
static int mpi_init_check(struct pm8001_hba_info *pm8001_ha)
{
u32 max_wait_count;
u32 value;
u32 gst_len_mpistate;
/* Write bit0=1 to Inbound DoorBell Register to tell the SPC FW the
table is updated */
pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPC_MSGU_CFG_TABLE_UPDATE);
/* wait until Inbound DoorBell Clear Register toggled */
max_wait_count = 1 * 1000 * 1000;/* 1 sec */
do {
udelay(1);
value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
value &= SPC_MSGU_CFG_TABLE_UPDATE;
} while ((value != 0) && (--max_wait_count));
if (!max_wait_count)
return -1;
/* check the MPI-State for initialization */
gst_len_mpistate =
pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
GST_GSTLEN_MPIS_OFFSET);
if (GST_MPI_STATE_INIT != (gst_len_mpistate & GST_MPI_STATE_MASK))
return -1;
/* check MPI Initialization error */
gst_len_mpistate = gst_len_mpistate >> 16;
if (0x0000 != gst_len_mpistate)
return -1;
return 0;
}
/**
* check_fw_ready - The LLDD check if the FW is ready, if not, return error.
* @pm8001_ha: our hba card information
*/
static int check_fw_ready(struct pm8001_hba_info *pm8001_ha)
{
u32 value, value1;
u32 max_wait_count;
/* check error state */
value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
/* check AAP error */
if (SCRATCH_PAD1_ERR == (value & SCRATCH_PAD_STATE_MASK)) {
/* error state */
value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
return -1;
}
/* check IOP error */
if (SCRATCH_PAD2_ERR == (value1 & SCRATCH_PAD_STATE_MASK)) {
/* error state */
value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
return -1;
}
/* bit 4-31 of scratch pad1 should be zeros if it is not
in error state*/
if (value & SCRATCH_PAD1_STATE_MASK) {
/* error case */
pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
return -1;
}
/* bit 2, 4-31 of scratch pad2 should be zeros if it is not
in error state */
if (value1 & SCRATCH_PAD2_STATE_MASK) {
/* error case */
return -1;
}
max_wait_count = 1 * 1000 * 1000;/* 1 sec timeout */
/* wait until scratch pad 1 and 2 registers in ready state */
do {
udelay(1);
value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1)
& SCRATCH_PAD1_RDY;
value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2)
& SCRATCH_PAD2_RDY;
if ((--max_wait_count) == 0)
return -1;
} while ((value != SCRATCH_PAD1_RDY) || (value1 != SCRATCH_PAD2_RDY));
return 0;
}
static void init_pci_device_addresses(struct pm8001_hba_info *pm8001_ha)
{
void __iomem *base_addr;
u32 value;
u32 offset;
u32 pcibar;
u32 pcilogic;
value = pm8001_cr32(pm8001_ha, 0, 0x44);
offset = value & 0x03FFFFFF;
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("Scratchpad 0 Offset: %x\n", offset));
pcilogic = (value & 0xFC000000) >> 26;
pcibar = get_pci_bar_index(pcilogic);
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("Scratchpad 0 PCI BAR: %d\n", pcibar));
pm8001_ha->main_cfg_tbl_addr = base_addr =
pm8001_ha->io_mem[pcibar].memvirtaddr + offset;
pm8001_ha->general_stat_tbl_addr =
base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x18);
pm8001_ha->inbnd_q_tbl_addr =
base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C);
pm8001_ha->outbnd_q_tbl_addr =
base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x20);
}
/**
* pm8001_chip_init - the main init function that initialize whole PM8001 chip.
* @pm8001_ha: our hba card information
*/
static int pm8001_chip_init(struct pm8001_hba_info *pm8001_ha)
{
u8 i = 0;
u16 deviceid;
pci_read_config_word(pm8001_ha->pdev, PCI_DEVICE_ID, &deviceid);
/* 8081 controllers need BAR shift to access MPI space
* as this is shared with BIOS data */
if (deviceid == 0x8081 || deviceid == 0x0042) {
if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_SM_BASE)) {
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("Shift Bar4 to 0x%x failed\n",
GSM_SM_BASE));
return -1;
}
}
/* check the firmware status */
if (-1 == check_fw_ready(pm8001_ha)) {
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("Firmware is not ready!\n"));
return -EBUSY;
}
/* Initialize pci space address eg: mpi offset */
init_pci_device_addresses(pm8001_ha);
init_default_table_values(pm8001_ha);
read_main_config_table(pm8001_ha);
read_general_status_table(pm8001_ha);
read_inbnd_queue_table(pm8001_ha);
read_outbnd_queue_table(pm8001_ha);
/* update main config table ,inbound table and outbound table */
update_main_config_table(pm8001_ha);
for (i = 0; i < PM8001_MAX_INB_NUM; i++)
update_inbnd_queue_table(pm8001_ha, i);
for (i = 0; i < PM8001_MAX_OUTB_NUM; i++)
update_outbnd_queue_table(pm8001_ha, i);
/* 8081 controller donot require these operations */
if (deviceid != 0x8081 && deviceid != 0x0042) {
mpi_set_phys_g3_with_ssc(pm8001_ha, 0);
/* 7->130ms, 34->500ms, 119->1.5s */
mpi_set_open_retry_interval_reg(pm8001_ha, 119);
}
/* notify firmware update finished and check initialization status */
if (0 == mpi_init_check(pm8001_ha)) {
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("MPI initialize successful!\n"));
} else
return -EBUSY;
/*This register is a 16-bit timer with a resolution of 1us. This is the
timer used for interrupt delay/coalescing in the PCIe Application Layer.
Zero is not a valid value. A value of 1 in the register will cause the
interrupts to be normal. A value greater than 1 will cause coalescing
delays.*/
pm8001_cw32(pm8001_ha, 1, 0x0033c0, 0x1);
pm8001_cw32(pm8001_ha, 1, 0x0033c4, 0x0);
return 0;
}
static int mpi_uninit_check(struct pm8001_hba_info *pm8001_ha)
{
u32 max_wait_count;
u32 value;
u32 gst_len_mpistate;
u16 deviceid;
pci_read_config_word(pm8001_ha->pdev, PCI_DEVICE_ID, &deviceid);
if (deviceid == 0x8081 || deviceid == 0x0042) {
if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_SM_BASE)) {
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("Shift Bar4 to 0x%x failed\n",
GSM_SM_BASE));
return -1;
}
}
init_pci_device_addresses(pm8001_ha);
/* Write bit1=1 to Inbound DoorBell Register to tell the SPC FW the
table is stop */
pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPC_MSGU_CFG_TABLE_RESET);
/* wait until Inbound DoorBell Clear Register toggled */
max_wait_count = 1 * 1000 * 1000;/* 1 sec */
do {
udelay(1);
value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
value &= SPC_MSGU_CFG_TABLE_RESET;
} while ((value != 0) && (--max_wait_count));
if (!max_wait_count) {
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("TIMEOUT:IBDB value/=0x%x\n", value));
return -1;
}
/* check the MPI-State for termination in progress */
/* wait until Inbound DoorBell Clear Register toggled */
max_wait_count = 1 * 1000 * 1000; /* 1 sec */
do {
udelay(1);
gst_len_mpistate =
pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
GST_GSTLEN_MPIS_OFFSET);
if (GST_MPI_STATE_UNINIT ==
(gst_len_mpistate & GST_MPI_STATE_MASK))
break;
} while (--max_wait_count);
if (!max_wait_count) {
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk(" TIME OUT MPI State = 0x%x\n",
gst_len_mpistate & GST_MPI_STATE_MASK));
return -1;
}
return 0;
}
/**
* soft_reset_ready_check - Function to check FW is ready for soft reset.
* @pm8001_ha: our hba card information
*/
static u32 soft_reset_ready_check(struct pm8001_hba_info *pm8001_ha)
{
u32 regVal, regVal1, regVal2;
if (mpi_uninit_check(pm8001_ha) != 0) {
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("MPI state is not ready\n"));
return -1;
}
/* read the scratch pad 2 register bit 2 */
regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2)
& SCRATCH_PAD2_FWRDY_RST;
if (regVal == SCRATCH_PAD2_FWRDY_RST) {
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("Firmware is ready for reset .\n"));
} else {
unsigned long flags;
/* Trigger NMI twice via RB6 */
spin_lock_irqsave(&pm8001_ha->lock, flags);
if (-1 == pm8001_bar4_shift(pm8001_ha, RB6_ACCESS_REG)) {
spin_unlock_irqrestore(&pm8001_ha->lock, flags);
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("Shift Bar4 to 0x%x failed\n",
RB6_ACCESS_REG));
return -1;
}
pm8001_cw32(pm8001_ha, 2, SPC_RB6_OFFSET,
RB6_MAGIC_NUMBER_RST);
pm8001_cw32(pm8001_ha, 2, SPC_RB6_OFFSET, RB6_MAGIC_NUMBER_RST);
/* wait for 100 ms */
mdelay(100);
regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2) &
SCRATCH_PAD2_FWRDY_RST;
if (regVal != SCRATCH_PAD2_FWRDY_RST) {
regVal1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
regVal2 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("TIMEOUT:MSGU_SCRATCH_PAD1"
"=0x%x, MSGU_SCRATCH_PAD2=0x%x\n",
regVal1, regVal2));
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("SCRATCH_PAD0 value = 0x%x\n",
pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0)));
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("SCRATCH_PAD3 value = 0x%x\n",
pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3)));
spin_unlock_irqrestore(&pm8001_ha->lock, flags);
return -1;
}
spin_unlock_irqrestore(&pm8001_ha->lock, flags);
}
return 0;
}
/**
* pm8001_chip_soft_rst - soft reset the PM8001 chip, so that the clear all
* the FW register status to the originated status.
* @pm8001_ha: our hba card information
*/
static int
pm8001_chip_soft_rst(struct pm8001_hba_info *pm8001_ha)
{
u32 regVal, toggleVal;
u32 max_wait_count;
u32 regVal1, regVal2, regVal3;
u32 signature = 0x252acbcd; /* for host scratch pad0 */
unsigned long flags;
/* step1: Check FW is ready for soft reset */
if (soft_reset_ready_check(pm8001_ha) != 0) {
PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("FW is not ready\n"));
return -1;
}
/* step 2: clear NMI status register on AAP1 and IOP, write the same
value to clear */
/* map 0x60000 to BAR4(0x20), BAR2(win) */
spin_lock_irqsave(&pm8001_ha->lock, flags);
if (-1 == pm8001_bar4_shift(pm8001_ha, MBIC_AAP1_ADDR_BASE)) {
spin_unlock_irqrestore(&pm8001_ha->lock, flags);
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("Shift Bar4 to 0x%x failed\n",
MBIC_AAP1_ADDR_BASE));
return -1;
}
regVal = pm8001_cr32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_IOP);
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("MBIC - NMI Enable VPE0 (IOP)= 0x%x\n", regVal));
pm8001_cw32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_IOP, 0x0);
/* map 0x70000 to BAR4(0x20), BAR2(win) */
if (-1 == pm8001_bar4_shift(pm8001_ha, MBIC_IOP_ADDR_BASE)) {
spin_unlock_irqrestore(&pm8001_ha->lock, flags);
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("Shift Bar4 to 0x%x failed\n",
MBIC_IOP_ADDR_BASE));
return -1;
}
regVal = pm8001_cr32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_AAP1);
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("MBIC - NMI Enable VPE0 (AAP1)= 0x%x\n", regVal));
pm8001_cw32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_AAP1, 0x0);
regVal = pm8001_cr32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT_ENABLE);
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("PCIE -Event Interrupt Enable = 0x%x\n", regVal));
pm8001_cw32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT_ENABLE, 0x0);
regVal = pm8001_cr32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT);
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("PCIE - Event Interrupt = 0x%x\n", regVal));
pm8001_cw32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT, regVal);
regVal = pm8001_cr32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT_ENABLE);
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("PCIE -Error Interrupt Enable = 0x%x\n", regVal));
pm8001_cw32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT_ENABLE, 0x0);
regVal = pm8001_cr32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT);
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("PCIE - Error Interrupt = 0x%x\n", regVal));
pm8001_cw32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT, regVal);
/* read the scratch pad 1 register bit 2 */
regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1)
& SCRATCH_PAD1_RST;
toggleVal = regVal ^ SCRATCH_PAD1_RST;
/* set signature in host scratch pad0 register to tell SPC that the
host performs the soft reset */
pm8001_cw32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_0, signature);
/* read required registers for confirmming */
/* map 0x0700000 to BAR4(0x20), BAR2(win) */
if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_ADDR_BASE)) {
spin_unlock_irqrestore(&pm8001_ha->lock, flags);
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("Shift Bar4 to 0x%x failed\n",
GSM_ADDR_BASE));
return -1;
}
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("GSM 0x0(0x00007b88)-GSM Configuration and"
" Reset = 0x%x\n",
pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET)));
/* step 3: host read GSM Configuration and Reset register */
regVal = pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET);
/* Put those bits to low */
/* GSM XCBI offset = 0x70 0000
0x00 Bit 13 COM_SLV_SW_RSTB 1
0x00 Bit 12 QSSP_SW_RSTB 1
0x00 Bit 11 RAAE_SW_RSTB 1
0x00 Bit 9 RB_1_SW_RSTB 1
0x00 Bit 8 SM_SW_RSTB 1
*/
regVal &= ~(0x00003b00);
/* host write GSM Configuration and Reset register */
pm8001_cw32(pm8001_ha, 2, GSM_CONFIG_RESET, regVal);
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("GSM 0x0 (0x00007b88 ==> 0x00004088) - GSM "
"Configuration and Reset is set to = 0x%x\n",
pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET)));
/* step 4: */
/* disable GSM - Read Address Parity Check */
regVal1 = pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK);
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("GSM 0x700038 - Read Address Parity Check "
"Enable = 0x%x\n", regVal1));
pm8001_cw32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK, 0x0);
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("GSM 0x700038 - Read Address Parity Check Enable"
"is set to = 0x%x\n",
pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK)));
/* disable GSM - Write Address Parity Check */
regVal2 = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK);
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("GSM 0x700040 - Write Address Parity Check"
" Enable = 0x%x\n", regVal2));
pm8001_cw32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK, 0x0);
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("GSM 0x700040 - Write Address Parity Check "
"Enable is set to = 0x%x\n",
pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK)));
/* disable GSM - Write Data Parity Check */
regVal3 = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK);
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("GSM 0x300048 - Write Data Parity Check"
" Enable = 0x%x\n", regVal3));
pm8001_cw32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK, 0x0);
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("GSM 0x300048 - Write Data Parity Check Enable"
"is set to = 0x%x\n",
pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK)));
/* step 5: delay 10 usec */
udelay(10);
/* step 5-b: set GPIO-0 output control to tristate anyway */
if (-1 == pm8001_bar4_shift(pm8001_ha, GPIO_ADDR_BASE)) {
spin_unlock_irqrestore(&pm8001_ha->lock, flags);
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("Shift Bar4 to 0x%x failed\n",
GPIO_ADDR_BASE));
return -1;
}
regVal = pm8001_cr32(pm8001_ha, 2, GPIO_GPIO_0_0UTPUT_CTL_OFFSET);
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("GPIO Output Control Register:"
" = 0x%x\n", regVal));
/* set GPIO-0 output control to tri-state */
regVal &= 0xFFFFFFFC;
pm8001_cw32(pm8001_ha, 2, GPIO_GPIO_0_0UTPUT_CTL_OFFSET, regVal);
/* Step 6: Reset the IOP and AAP1 */
/* map 0x00000 to BAR4(0x20), BAR2(win) */
if (-1 == pm8001_bar4_shift(pm8001_ha, SPC_TOP_LEVEL_ADDR_BASE)) {
spin_unlock_irqrestore(&pm8001_ha->lock, flags);
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("SPC Shift Bar4 to 0x%x failed\n",
SPC_TOP_LEVEL_ADDR_BASE));
return -1;
}
regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("Top Register before resetting IOP/AAP1"
":= 0x%x\n", regVal));
regVal &= ~(SPC_REG_RESET_PCS_IOP_SS | SPC_REG_RESET_PCS_AAP1_SS);
pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
/* step 7: Reset the BDMA/OSSP */
regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("Top Register before resetting BDMA/OSSP"
": = 0x%x\n", regVal));
regVal &= ~(SPC_REG_RESET_BDMA_CORE | SPC_REG_RESET_OSSP);
pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
/* step 8: delay 10 usec */
udelay(10);
/* step 9: bring the BDMA and OSSP out of reset */
regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("Top Register before bringing up BDMA/OSSP"
":= 0x%x\n", regVal));
regVal |= (SPC_REG_RESET_BDMA_CORE | SPC_REG_RESET_OSSP);
pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
/* step 10: delay 10 usec */
udelay(10);
/* step 11: reads and sets the GSM Configuration and Reset Register */
/* map 0x0700000 to BAR4(0x20), BAR2(win) */
if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_ADDR_BASE)) {
spin_unlock_irqrestore(&pm8001_ha->lock, flags);
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("SPC Shift Bar4 to 0x%x failed\n",
GSM_ADDR_BASE));
return -1;
}
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("GSM 0x0 (0x00007b88)-GSM Configuration and "
"Reset = 0x%x\n", pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET)));
regVal = pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET);
/* Put those bits to high */
/* GSM XCBI offset = 0x70 0000
0x00 Bit 13 COM_SLV_SW_RSTB 1
0x00 Bit 12 QSSP_SW_RSTB 1
0x00 Bit 11 RAAE_SW_RSTB 1
0x00 Bit 9 RB_1_SW_RSTB 1
0x00 Bit 8 SM_SW_RSTB 1
*/
regVal |= (GSM_CONFIG_RESET_VALUE);
pm8001_cw32(pm8001_ha, 2, GSM_CONFIG_RESET, regVal);
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("GSM (0x00004088 ==> 0x00007b88) - GSM"
" Configuration and Reset is set to = 0x%x\n",
pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET)));
/* step 12: Restore GSM - Read Address Parity Check */
regVal = pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK);
/* just for debugging */
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("GSM 0x700038 - Read Address Parity Check Enable"
" = 0x%x\n", regVal));
pm8001_cw32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK, regVal1);
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("GSM 0x700038 - Read Address Parity"
" Check Enable is set to = 0x%x\n",
pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK)));
/* Restore GSM - Write Address Parity Check */
regVal = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK);
pm8001_cw32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK, regVal2);
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("GSM 0x700040 - Write Address Parity Check"
" Enable is set to = 0x%x\n",
pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK)));
/* Restore GSM - Write Data Parity Check */
regVal = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK);
pm8001_cw32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK, regVal3);
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("GSM 0x700048 - Write Data Parity Check Enable"
"is set to = 0x%x\n",
pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK)));
/* step 13: bring the IOP and AAP1 out of reset */
/* map 0x00000 to BAR4(0x20), BAR2(win) */
if (-1 == pm8001_bar4_shift(pm8001_ha, SPC_TOP_LEVEL_ADDR_BASE)) {
spin_unlock_irqrestore(&pm8001_ha->lock, flags);
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("Shift Bar4 to 0x%x failed\n",
SPC_TOP_LEVEL_ADDR_BASE));
return -1;
}
regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
regVal |= (SPC_REG_RESET_PCS_IOP_SS | SPC_REG_RESET_PCS_AAP1_SS);
pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
/* step 14: delay 10 usec - Normal Mode */
udelay(10);
/* check Soft Reset Normal mode or Soft Reset HDA mode */
if (signature == SPC_SOFT_RESET_SIGNATURE) {
/* step 15 (Normal Mode): wait until scratch pad1 register
bit 2 toggled */
max_wait_count = 2 * 1000 * 1000;/* 2 sec */
do {
udelay(1);
regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1) &
SCRATCH_PAD1_RST;
} while ((regVal != toggleVal) && (--max_wait_count));
if (!max_wait_count) {
regVal = pm8001_cr32(pm8001_ha, 0,
MSGU_SCRATCH_PAD_1);
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("TIMEOUT : ToggleVal 0x%x,"
"MSGU_SCRATCH_PAD1 = 0x%x\n",
toggleVal, regVal));
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("SCRATCH_PAD0 value = 0x%x\n",
pm8001_cr32(pm8001_ha, 0,
MSGU_SCRATCH_PAD_0)));
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("SCRATCH_PAD2 value = 0x%x\n",
pm8001_cr32(pm8001_ha, 0,
MSGU_SCRATCH_PAD_2)));
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("SCRATCH_PAD3 value = 0x%x\n",
pm8001_cr32(pm8001_ha, 0,
MSGU_SCRATCH_PAD_3)));
spin_unlock_irqrestore(&pm8001_ha->lock, flags);
return -1;
}
/* step 16 (Normal) - Clear ODMR and ODCR */
pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
/* step 17 (Normal Mode): wait for the FW and IOP to get
ready - 1 sec timeout */
/* Wait for the SPC Configuration Table to be ready */
if (check_fw_ready(pm8001_ha) == -1) {
regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
/* return error if MPI Configuration Table not ready */
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("FW not ready SCRATCH_PAD1"
" = 0x%x\n", regVal));
regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
/* return error if MPI Configuration Table not ready */
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("FW not ready SCRATCH_PAD2"
" = 0x%x\n", regVal));
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("SCRATCH_PAD0 value = 0x%x\n",
pm8001_cr32(pm8001_ha, 0,
MSGU_SCRATCH_PAD_0)));
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("SCRATCH_PAD3 value = 0x%x\n",
pm8001_cr32(pm8001_ha, 0,
MSGU_SCRATCH_PAD_3)));
spin_unlock_irqrestore(&pm8001_ha->lock, flags);
return -1;
}
}
pm8001_bar4_shift(pm8001_ha, 0);
spin_unlock_irqrestore(&pm8001_ha->lock, flags);
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("SPC soft reset Complete\n"));
return 0;
}
static void pm8001_hw_chip_rst(struct pm8001_hba_info *pm8001_ha)
{
u32 i;
u32 regVal;
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("chip reset start\n"));
/* do SPC chip reset. */
regVal = pm8001_cr32(pm8001_ha, 1, SPC_REG_RESET);
regVal &= ~(SPC_REG_RESET_DEVICE);
pm8001_cw32(pm8001_ha, 1, SPC_REG_RESET, regVal);
/* delay 10 usec */
udelay(10);
/* bring chip reset out of reset */
regVal = pm8001_cr32(pm8001_ha, 1, SPC_REG_RESET);
regVal |= SPC_REG_RESET_DEVICE;
pm8001_cw32(pm8001_ha, 1, SPC_REG_RESET, regVal);
/* delay 10 usec */
udelay(10);
/* wait for 20 msec until the firmware gets reloaded */
i = 20;
do {
mdelay(1);
} while ((--i) != 0);
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("chip reset finished\n"));
}
/**
* pm8001_chip_iounmap - which maped when initialized.
* @pm8001_ha: our hba card information
*/
void pm8001_chip_iounmap(struct pm8001_hba_info *pm8001_ha)
{
s8 bar, logical = 0;
for (bar = 0; bar < 6; bar++) {
/*
** logical BARs for SPC:
** bar 0 and 1 - logical BAR0
** bar 2 and 3 - logical BAR1
** bar4 - logical BAR2
** bar5 - logical BAR3
** Skip the appropriate assignments:
*/
if ((bar == 1) || (bar == 3))
continue;
if (pm8001_ha->io_mem[logical].memvirtaddr) {
iounmap(pm8001_ha->io_mem[logical].memvirtaddr);
logical++;
}
}
}
/**
* pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
* @pm8001_ha: our hba card information
*/
static void
pm8001_chip_intx_interrupt_enable(struct pm8001_hba_info *pm8001_ha)
{
pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
}
/**
* pm8001_chip_intx_interrupt_disable- disable PM8001 chip interrupt
* @pm8001_ha: our hba card information
*/
static void
pm8001_chip_intx_interrupt_disable(struct pm8001_hba_info *pm8001_ha)
{
pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_MASK_ALL);
}
/**
* pm8001_chip_msix_interrupt_enable - enable PM8001 chip interrupt
* @pm8001_ha: our hba card information
*/
static void
pm8001_chip_msix_interrupt_enable(struct pm8001_hba_info *pm8001_ha,
u32 int_vec_idx)
{
u32 msi_index;
u32 value;
msi_index = int_vec_idx * MSIX_TABLE_ELEMENT_SIZE;
msi_index += MSIX_TABLE_BASE;
pm8001_cw32(pm8001_ha, 0, msi_index, MSIX_INTERRUPT_ENABLE);
value = (1 << int_vec_idx);
pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, value);
}
/**
* pm8001_chip_msix_interrupt_disable - disable PM8001 chip interrupt
* @pm8001_ha: our hba card information
*/
static void
pm8001_chip_msix_interrupt_disable(struct pm8001_hba_info *pm8001_ha,
u32 int_vec_idx)
{
u32 msi_index;
msi_index = int_vec_idx * MSIX_TABLE_ELEMENT_SIZE;
msi_index += MSIX_TABLE_BASE;
pm8001_cw32(pm8001_ha, 0, msi_index, MSIX_INTERRUPT_DISABLE);
}
/**
* pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
* @pm8001_ha: our hba card information
*/
static void
pm8001_chip_interrupt_enable(struct pm8001_hba_info *pm8001_ha, u8 vec)
{
#ifdef PM8001_USE_MSIX
pm8001_chip_msix_interrupt_enable(pm8001_ha, 0);
return;
#endif
pm8001_chip_intx_interrupt_enable(pm8001_ha);
}
/**
* pm8001_chip_intx_interrupt_disable- disable PM8001 chip interrupt
* @pm8001_ha: our hba card information
*/
static void
pm8001_chip_interrupt_disable(struct pm8001_hba_info *pm8001_ha, u8 vec)
{
#ifdef PM8001_USE_MSIX
pm8001_chip_msix_interrupt_disable(pm8001_ha, 0);
return;
#endif
pm8001_chip_intx_interrupt_disable(pm8001_ha);
}
/**
* pm8001_mpi_msg_free_get - get the free message buffer for transfer
* inbound queue.
* @circularQ: the inbound queue we want to transfer to HBA.
* @messageSize: the message size of this transfer, normally it is 64 bytes
* @messagePtr: the pointer to message.
*/
int pm8001_mpi_msg_free_get(struct inbound_queue_table *circularQ,
u16 messageSize, void **messagePtr)
{
u32 offset, consumer_index;
struct mpi_msg_hdr *msgHeader;
u8 bcCount = 1; /* only support single buffer */
/* Checks is the requested message size can be allocated in this queue*/
if (messageSize > IOMB_SIZE_SPCV) {
*messagePtr = NULL;
return -1;
}
/* Stores the new consumer index */
consumer_index = pm8001_read_32(circularQ->ci_virt);
circularQ->consumer_index = cpu_to_le32(consumer_index);
if (((circularQ->producer_idx + bcCount) % PM8001_MPI_QUEUE) ==
le32_to_cpu(circularQ->consumer_index)) {
*messagePtr = NULL;
return -1;
}
/* get memory IOMB buffer address */
offset = circularQ->producer_idx * messageSize;
/* increment to next bcCount element */
circularQ->producer_idx = (circularQ->producer_idx + bcCount)
% PM8001_MPI_QUEUE;
/* Adds that distance to the base of the region virtual address plus
the message header size*/
msgHeader = (struct mpi_msg_hdr *)(circularQ->base_virt + offset);
*messagePtr = ((void *)msgHeader) + sizeof(struct mpi_msg_hdr);
return 0;
}
/**
* pm8001_mpi_build_cmd- build the message queue for transfer, update the PI to
* FW to tell the fw to get this message from IOMB.
* @pm8001_ha: our hba card information
* @circularQ: the inbound queue we want to transfer to HBA.
* @opCode: the operation code represents commands which LLDD and fw recognized.
* @payload: the command payload of each operation command.
*/
int pm8001_mpi_build_cmd(struct pm8001_hba_info *pm8001_ha,
struct inbound_queue_table *circularQ,
u32 opCode, void *payload, u32 responseQueue)
{
u32 Header = 0, hpriority = 0, bc = 1, category = 0x02;
void *pMessage;
if (pm8001_mpi_msg_free_get(circularQ, pm8001_ha->iomb_size,
&pMessage) < 0) {
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("No free mpi buffer\n"));
return -ENOMEM;
}
BUG_ON(!payload);
/*Copy to the payload*/
memcpy(pMessage, payload, (pm8001_ha->iomb_size -
sizeof(struct mpi_msg_hdr)));
/*Build the header*/
Header = ((1 << 31) | (hpriority << 30) | ((bc & 0x1f) << 24)
| ((responseQueue & 0x3F) << 16)
| ((category & 0xF) << 12) | (opCode & 0xFFF));
pm8001_write_32((pMessage - 4), 0, cpu_to_le32(Header));
/*Update the PI to the firmware*/
pm8001_cw32(pm8001_ha, circularQ->pi_pci_bar,
circularQ->pi_offset, circularQ->producer_idx);
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("INB Q %x OPCODE:%x , UPDATED PI=%d CI=%d\n",
responseQueue, opCode, circularQ->producer_idx,
circularQ->consumer_index));
return 0;
}
u32 pm8001_mpi_msg_free_set(struct pm8001_hba_info *pm8001_ha, void *pMsg,
struct outbound_queue_table *circularQ, u8 bc)
{
u32 producer_index;
struct mpi_msg_hdr *msgHeader;
struct mpi_msg_hdr *pOutBoundMsgHeader;
msgHeader = (struct mpi_msg_hdr *)(pMsg - sizeof(struct mpi_msg_hdr));
pOutBoundMsgHeader = (struct mpi_msg_hdr *)(circularQ->base_virt +
circularQ->consumer_idx * pm8001_ha->iomb_size);
if (pOutBoundMsgHeader != msgHeader) {
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("consumer_idx = %d msgHeader = %p\n",
circularQ->consumer_idx, msgHeader));
/* Update the producer index from SPC */
producer_index = pm8001_read_32(circularQ->pi_virt);
circularQ->producer_index = cpu_to_le32(producer_index);
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("consumer_idx = %d producer_index = %d"
"msgHeader = %p\n", circularQ->consumer_idx,
circularQ->producer_index, msgHeader));
return 0;
}
/* free the circular queue buffer elements associated with the message*/
circularQ->consumer_idx = (circularQ->consumer_idx + bc)
% PM8001_MPI_QUEUE;
/* update the CI of outbound queue */
pm8001_cw32(pm8001_ha, circularQ->ci_pci_bar, circularQ->ci_offset,
circularQ->consumer_idx);
/* Update the producer index from SPC*/
producer_index = pm8001_read_32(circularQ->pi_virt);
circularQ->producer_index = cpu_to_le32(producer_index);
PM8001_IO_DBG(pm8001_ha,
pm8001_printk(" CI=%d PI=%d\n", circularQ->consumer_idx,
circularQ->producer_index));
return 0;
}
/**
* pm8001_mpi_msg_consume- get the MPI message from outbound queue
* message table.
* @pm8001_ha: our hba card information
* @circularQ: the outbound queue table.
* @messagePtr1: the message contents of this outbound message.
* @pBC: the message size.
*/
u32 pm8001_mpi_msg_consume(struct pm8001_hba_info *pm8001_ha,
struct outbound_queue_table *circularQ,
void **messagePtr1, u8 *pBC)
{
struct mpi_msg_hdr *msgHeader;
__le32 msgHeader_tmp;
u32 header_tmp;
do {
/* If there are not-yet-delivered messages ... */
if (le32_to_cpu(circularQ->producer_index)
!= circularQ->consumer_idx) {
/*Get the pointer to the circular queue buffer element*/
msgHeader = (struct mpi_msg_hdr *)
(circularQ->base_virt +
circularQ->consumer_idx * pm8001_ha->iomb_size);
/* read header */
header_tmp = pm8001_read_32(msgHeader);
msgHeader_tmp = cpu_to_le32(header_tmp);
if (0 != (le32_to_cpu(msgHeader_tmp) & 0x80000000)) {
if (OPC_OUB_SKIP_ENTRY !=
(le32_to_cpu(msgHeader_tmp) & 0xfff)) {
*messagePtr1 =
((u8 *)msgHeader) +
sizeof(struct mpi_msg_hdr);
*pBC = (u8)((le32_to_cpu(msgHeader_tmp)
>> 24) & 0x1f);
PM8001_IO_DBG(pm8001_ha,
pm8001_printk(": CI=%d PI=%d "
"msgHeader=%x\n",
circularQ->consumer_idx,
circularQ->producer_index,
msgHeader_tmp));
return MPI_IO_STATUS_SUCCESS;
} else {
circularQ->consumer_idx =
(circularQ->consumer_idx +
((le32_to_cpu(msgHeader_tmp)
>> 24) & 0x1f))
% PM8001_MPI_QUEUE;
msgHeader_tmp = 0;
pm8001_write_32(msgHeader, 0, 0);
/* update the CI of outbound queue */
pm8001_cw32(pm8001_ha,
circularQ->ci_pci_bar,
circularQ->ci_offset,
circularQ->consumer_idx);
}
} else {
circularQ->consumer_idx =
(circularQ->consumer_idx +
((le32_to_cpu(msgHeader_tmp) >> 24) &
0x1f)) % PM8001_MPI_QUEUE;
msgHeader_tmp = 0;
pm8001_write_32(msgHeader, 0, 0);
/* update the CI of outbound queue */
pm8001_cw32(pm8001_ha, circularQ->ci_pci_bar,
circularQ->ci_offset,
circularQ->consumer_idx);
return MPI_IO_STATUS_FAIL;
}
} else {
u32 producer_index;
void *pi_virt = circularQ->pi_virt;
/* Update the producer index from SPC */
producer_index = pm8001_read_32(pi_virt);
circularQ->producer_index = cpu_to_le32(producer_index);
}
} while (le32_to_cpu(circularQ->producer_index) !=
circularQ->consumer_idx);
/* while we don't have any more not-yet-delivered message */
/* report empty */
return MPI_IO_STATUS_BUSY;
}
void pm8001_work_fn(struct work_struct *work)
{
struct pm8001_work *pw = container_of(work, struct pm8001_work, work);
struct pm8001_device *pm8001_dev;
struct domain_device *dev;
/*
* So far, all users of this stash an associated structure here.
* If we get here, and this pointer is null, then the action
* was cancelled. This nullification happens when the device
* goes away.
*/
pm8001_dev = pw->data; /* Most stash device structure */
if ((pm8001_dev == NULL)
|| ((pw->handler != IO_XFER_ERROR_BREAK)
&& (pm8001_dev->dev_type == SAS_PHY_UNUSED))) {
kfree(pw);
return;
}
switch (pw->handler) {
case IO_XFER_ERROR_BREAK:
{ /* This one stashes the sas_task instead */
struct sas_task *t = (struct sas_task *)pm8001_dev;
u32 tag;
struct pm8001_ccb_info *ccb;
struct pm8001_hba_info *pm8001_ha = pw->pm8001_ha;
unsigned long flags, flags1;
struct task_status_struct *ts;
int i;
if (pm8001_query_task(t) == TMF_RESP_FUNC_SUCC)
break; /* Task still on lu */
spin_lock_irqsave(&pm8001_ha->lock, flags);
spin_lock_irqsave(&t->task_state_lock, flags1);
if (unlikely((t->task_state_flags & SAS_TASK_STATE_DONE))) {
spin_unlock_irqrestore(&t->task_state_lock, flags1);
spin_unlock_irqrestore(&pm8001_ha->lock, flags);
break; /* Task got completed by another */
}
spin_unlock_irqrestore(&t->task_state_lock, flags1);
/* Search for a possible ccb that matches the task */
for (i = 0; ccb = NULL, i < PM8001_MAX_CCB; i++) {
ccb = &pm8001_ha->ccb_info[i];
tag = ccb->ccb_tag;
if ((tag != 0xFFFFFFFF) && (ccb->task == t))
break;
}
if (!ccb) {
spin_unlock_irqrestore(&pm8001_ha->lock, flags);
break; /* Task got freed by another */
}
ts = &t->task_status;
ts->resp = SAS_TASK_COMPLETE;
/* Force the midlayer to retry */
ts->stat = SAS_QUEUE_FULL;
pm8001_dev = ccb->device;
if (pm8001_dev)
pm8001_dev->running_req--;
spin_lock_irqsave(&t->task_state_lock, flags1);
t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
t->task_state_flags |= SAS_TASK_STATE_DONE;
if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
spin_unlock_irqrestore(&t->task_state_lock, flags1);
PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("task 0x%p"
" done with event 0x%x resp 0x%x stat 0x%x but"
" aborted by upper layer!\n",
t, pw->handler, ts->resp, ts->stat));
pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
spin_unlock_irqrestore(&pm8001_ha->lock, flags);
} else {
spin_unlock_irqrestore(&t->task_state_lock, flags1);
pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
mb();/* in order to force CPU ordering */
spin_unlock_irqrestore(&pm8001_ha->lock, flags);
t->task_done(t);
}
} break;
case IO_XFER_OPEN_RETRY_TIMEOUT:
{ /* This one stashes the sas_task instead */
struct sas_task *t = (struct sas_task *)pm8001_dev;
u32 tag;
struct pm8001_ccb_info *ccb;
struct pm8001_hba_info *pm8001_ha = pw->pm8001_ha;
unsigned long flags, flags1;
int i, ret = 0;
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
ret = pm8001_query_task(t);
PM8001_IO_DBG(pm8001_ha,
switch (ret) {
case TMF_RESP_FUNC_SUCC:
pm8001_printk("...Task on lu\n");
break;
case TMF_RESP_FUNC_COMPLETE:
pm8001_printk("...Task NOT on lu\n");
break;
default:
pm8001_printk("...query task failed!!!\n");
break;
});
spin_lock_irqsave(&pm8001_ha->lock, flags);
spin_lock_irqsave(&t->task_state_lock, flags1);
if (unlikely((t->task_state_flags & SAS_TASK_STATE_DONE))) {
spin_unlock_irqrestore(&t->task_state_lock, flags1);
spin_unlock_irqrestore(&pm8001_ha->lock, flags);
if (ret == TMF_RESP_FUNC_SUCC) /* task on lu */
(void)pm8001_abort_task(t);
break; /* Task got completed by another */
}
spin_unlock_irqrestore(&t->task_state_lock, flags1);
/* Search for a possible ccb that matches the task */
for (i = 0; ccb = NULL, i < PM8001_MAX_CCB; i++) {
ccb = &pm8001_ha->ccb_info[i];
tag = ccb->ccb_tag;
if ((tag != 0xFFFFFFFF) && (ccb->task == t))
break;
}
if (!ccb) {
spin_unlock_irqrestore(&pm8001_ha->lock, flags);
if (ret == TMF_RESP_FUNC_SUCC) /* task on lu */
(void)pm8001_abort_task(t);
break; /* Task got freed by another */
}
pm8001_dev = ccb->device;
dev = pm8001_dev->sas_device;
switch (ret) {
case TMF_RESP_FUNC_SUCC: /* task on lu */
ccb->open_retry = 1; /* Snub completion */
spin_unlock_irqrestore(&pm8001_ha->lock, flags);
ret = pm8001_abort_task(t);
ccb->open_retry = 0;
switch (ret) {
case TMF_RESP_FUNC_SUCC:
case TMF_RESP_FUNC_COMPLETE:
break;
default: /* device misbehavior */
ret = TMF_RESP_FUNC_FAILED;
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("...Reset phy\n"));
pm8001_I_T_nexus_reset(dev);
break;
}
break;
case TMF_RESP_FUNC_COMPLETE: /* task not on lu */
spin_unlock_irqrestore(&pm8001_ha->lock, flags);
/* Do we need to abort the task locally? */
break;
default: /* device misbehavior */
spin_unlock_irqrestore(&pm8001_ha->lock, flags);
ret = TMF_RESP_FUNC_FAILED;
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("...Reset phy\n"));
pm8001_I_T_nexus_reset(dev);
}
if (ret == TMF_RESP_FUNC_FAILED)
t = NULL;
pm8001_open_reject_retry(pm8001_ha, t, pm8001_dev);
PM8001_IO_DBG(pm8001_ha, pm8001_printk("...Complete\n"));
} break;
case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
dev = pm8001_dev->sas_device;
pm8001_I_T_nexus_event_handler(dev);
break;
case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
dev = pm8001_dev->sas_device;
pm8001_I_T_nexus_reset(dev);
break;
case IO_DS_IN_ERROR:
dev = pm8001_dev->sas_device;
pm8001_I_T_nexus_reset(dev);
break;
case IO_DS_NON_OPERATIONAL:
dev = pm8001_dev->sas_device;
pm8001_I_T_nexus_reset(dev);
break;
}
kfree(pw);
}
int pm8001_handle_event(struct pm8001_hba_info *pm8001_ha, void *data,
int handler)
{
struct pm8001_work *pw;
int ret = 0;
pw = kmalloc(sizeof(struct pm8001_work), GFP_ATOMIC);
if (pw) {
pw->pm8001_ha = pm8001_ha;
pw->data = data;
pw->handler = handler;
INIT_WORK(&pw->work, pm8001_work_fn);
queue_work(pm8001_wq, &pw->work);
} else
ret = -ENOMEM;
return ret;
}
static void pm8001_send_abort_all(struct pm8001_hba_info *pm8001_ha,
struct pm8001_device *pm8001_ha_dev)
{
int res;
u32 ccb_tag;
struct pm8001_ccb_info *ccb;
struct sas_task *task = NULL;
struct task_abort_req task_abort;
struct inbound_queue_table *circularQ;
u32 opc = OPC_INB_SATA_ABORT;
int ret;
if (!pm8001_ha_dev) {
PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("dev is null\n"));
return;
}
task = sas_alloc_slow_task(GFP_ATOMIC);
if (!task) {
PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("cannot "
"allocate task\n"));
return;
}
task->task_done = pm8001_task_done;
res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
if (res)
return;
ccb = &pm8001_ha->ccb_info[ccb_tag];
ccb->device = pm8001_ha_dev;
ccb->ccb_tag = ccb_tag;
ccb->task = task;
circularQ = &pm8001_ha->inbnd_q_tbl[0];
memset(&task_abort, 0, sizeof(task_abort));
task_abort.abort_all = cpu_to_le32(1);
task_abort.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
task_abort.tag = cpu_to_le32(ccb_tag);
ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort, 0);
if (ret)
pm8001_tag_free(pm8001_ha, ccb_tag);
}
static void pm8001_send_read_log(struct pm8001_hba_info *pm8001_ha,
struct pm8001_device *pm8001_ha_dev)
{
struct sata_start_req sata_cmd;
int res;
u32 ccb_tag;
struct pm8001_ccb_info *ccb;
struct sas_task *task = NULL;
struct host_to_dev_fis fis;
struct domain_device *dev;
struct inbound_queue_table *circularQ;
u32 opc = OPC_INB_SATA_HOST_OPSTART;
task = sas_alloc_slow_task(GFP_ATOMIC);
if (!task) {
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("cannot allocate task !!!\n"));
return;
}
task->task_done = pm8001_task_done;
res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
if (res) {
sas_free_task(task);
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("cannot allocate tag !!!\n"));
return;
}
/* allocate domain device by ourselves as libsas
* is not going to provide any
*/
dev = kzalloc(sizeof(struct domain_device), GFP_ATOMIC);
if (!dev) {
sas_free_task(task);
pm8001_tag_free(pm8001_ha, ccb_tag);
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("Domain device cannot be allocated\n"));
return;
}
task->dev = dev;
task->dev->lldd_dev = pm8001_ha_dev;
ccb = &pm8001_ha->ccb_info[ccb_tag];
ccb->device = pm8001_ha_dev;
ccb->ccb_tag = ccb_tag;
ccb->task = task;
pm8001_ha_dev->id |= NCQ_READ_LOG_FLAG;
pm8001_ha_dev->id |= NCQ_2ND_RLE_FLAG;
memset(&sata_cmd, 0, sizeof(sata_cmd));
circularQ = &pm8001_ha->inbnd_q_tbl[0];
/* construct read log FIS */
memset(&fis, 0, sizeof(struct host_to_dev_fis));
fis.fis_type = 0x27;
fis.flags = 0x80;
fis.command = ATA_CMD_READ_LOG_EXT;
fis.lbal = 0x10;
fis.sector_count = 0x1;
sata_cmd.tag = cpu_to_le32(ccb_tag);
sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
sata_cmd.ncqtag_atap_dir_m |= ((0x1 << 7) | (0x5 << 9));
memcpy(&sata_cmd.sata_fis, &fis, sizeof(struct host_to_dev_fis));
res = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sata_cmd, 0);
if (res) {
sas_free_task(task);
pm8001_tag_free(pm8001_ha, ccb_tag);
kfree(dev);
}
}
/**
* mpi_ssp_completion- process the event that FW response to the SSP request.
* @pm8001_ha: our hba card information
* @piomb: the message contents of this outbound message.
*
* When FW has completed a ssp request for example a IO request, after it has
* filled the SG data with the data, it will trigger this event represent
* that he has finished the job,please check the coresponding buffer.
* So we will tell the caller who maybe waiting the result to tell upper layer
* that the task has been finished.
*/
static void
mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha , void *piomb)
{
struct sas_task *t;
struct pm8001_ccb_info *ccb;
unsigned long flags;
u32 status;
u32 param;
u32 tag;
struct ssp_completion_resp *psspPayload;
struct task_status_struct *ts;
struct ssp_response_iu *iu;
struct pm8001_device *pm8001_dev;
psspPayload = (struct ssp_completion_resp *)(piomb + 4);
status = le32_to_cpu(psspPayload->status);
tag = le32_to_cpu(psspPayload->tag);
ccb = &pm8001_ha->ccb_info[tag];
if ((status == IO_ABORTED) && ccb->open_retry) {
/* Being completed by another */
ccb->open_retry = 0;
return;
}
pm8001_dev = ccb->device;
param = le32_to_cpu(psspPayload->param);
t = ccb->task;
if (status && status != IO_UNDERFLOW)
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("sas IO status 0x%x\n", status));
if (unlikely(!t || !t->lldd_task || !t->dev))
return;
ts = &t->task_status;
/* Print sas address of IO failed device */
if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
(status != IO_UNDERFLOW))
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("SAS Address of IO Failure Drive:"
"%016llx", SAS_ADDR(t->dev->sas_addr)));
switch (status) {
case IO_SUCCESS:
PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS"
",param = %d\n", param));
if (param == 0) {
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAM_STAT_GOOD;
} else {
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_PROTO_RESPONSE;
ts->residual = param;
iu = &psspPayload->ssp_resp_iu;
sas_ssp_task_response(pm8001_ha->dev, t, iu);
}
if (pm8001_dev)
pm8001_dev->running_req--;
break;
case IO_ABORTED:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_ABORTED IOMB Tag\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_ABORTED_TASK;
break;
case IO_UNDERFLOW:
/* SSP Completion with error */
PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW"
",param = %d\n", param));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_DATA_UNDERRUN;
ts->residual = param;
if (pm8001_dev)
pm8001_dev->running_req--;
break;
case IO_NO_DEVICE:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_NO_DEVICE\n"));
ts->resp = SAS_TASK_UNDELIVERED;
ts->stat = SAS_PHY_DOWN;
break;
case IO_XFER_ERROR_BREAK:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_ERROR_BREAK\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
/* Force the midlayer to retry */
ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
break;
case IO_XFER_ERROR_PHY_NOT_READY:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
break;
case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_EPROTO;
break;
case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_UNKNOWN;
break;
case IO_OPEN_CNX_ERROR_BREAK:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
break;
case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_UNKNOWN;
if (!t->uldd_task)
pm8001_handle_event(pm8001_ha,
pm8001_dev,
IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
break;
case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_BAD_DEST;
break;
case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_OPEN_CNX_ERROR_CONNECTION_RATE_"
"NOT_SUPPORTED\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_CONN_RATE;
break;
case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
ts->resp = SAS_TASK_UNDELIVERED;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
break;
case IO_XFER_ERROR_NAK_RECEIVED:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
break;
case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_NAK_R_ERR;
break;
case IO_XFER_ERROR_DMA:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_ERROR_DMA\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
break;
case IO_XFER_OPEN_RETRY_TIMEOUT:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
break;
case IO_XFER_ERROR_OFFSET_MISMATCH:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
break;
case IO_PORT_IN_RESET:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_PORT_IN_RESET\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
break;
case IO_DS_NON_OPERATIONAL:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
if (!t->uldd_task)
pm8001_handle_event(pm8001_ha,
pm8001_dev,
IO_DS_NON_OPERATIONAL);
break;
case IO_DS_IN_RECOVERY:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_DS_IN_RECOVERY\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
break;
case IO_TM_TAG_NOT_FOUND:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_TM_TAG_NOT_FOUND\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
break;
case IO_SSP_EXT_IU_ZERO_LEN_ERROR:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_SSP_EXT_IU_ZERO_LEN_ERROR\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
break;
case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
break;
default:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("Unknown status 0x%x\n", status));
/* not allowed case. Therefore, return failed status */
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
break;
}
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("scsi_status = %x\n ",
psspPayload->ssp_resp_iu.status));
spin_lock_irqsave(&t->task_state_lock, flags);
t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
t->task_state_flags |= SAS_TASK_STATE_DONE;
if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
spin_unlock_irqrestore(&t->task_state_lock, flags);
PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("task 0x%p done with"
" io_status 0x%x resp 0x%x "
"stat 0x%x but aborted by upper layer!\n",
t, status, ts->resp, ts->stat));
pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
} else {
spin_unlock_irqrestore(&t->task_state_lock, flags);
pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
mb();/* in order to force CPU ordering */
t->task_done(t);
}
}
/*See the comments for mpi_ssp_completion */
static void mpi_ssp_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
{
struct sas_task *t;
unsigned long flags;
struct task_status_struct *ts;
struct pm8001_ccb_info *ccb;
struct pm8001_device *pm8001_dev;
struct ssp_event_resp *psspPayload =
(struct ssp_event_resp *)(piomb + 4);
u32 event = le32_to_cpu(psspPayload->event);
u32 tag = le32_to_cpu(psspPayload->tag);
u32 port_id = le32_to_cpu(psspPayload->port_id);
u32 dev_id = le32_to_cpu(psspPayload->device_id);
ccb = &pm8001_ha->ccb_info[tag];
t = ccb->task;
pm8001_dev = ccb->device;
if (event)
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("sas IO status 0x%x\n", event));
if (unlikely(!t || !t->lldd_task || !t->dev))
return;
ts = &t->task_status;
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("port_id = %x,device_id = %x\n",
port_id, dev_id));
switch (event) {
case IO_OVERFLOW:
PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n");)
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_DATA_OVERRUN;
ts->residual = 0;
if (pm8001_dev)
pm8001_dev->running_req--;
break;
case IO_XFER_ERROR_BREAK:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_ERROR_BREAK\n"));
pm8001_handle_event(pm8001_ha, t, IO_XFER_ERROR_BREAK);
return;
case IO_XFER_ERROR_PHY_NOT_READY:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
break;
case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT"
"_SUPPORTED\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_EPROTO;
break;
case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_UNKNOWN;
break;
case IO_OPEN_CNX_ERROR_BREAK:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
break;
case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_UNKNOWN;
if (!t->uldd_task)
pm8001_handle_event(pm8001_ha,
pm8001_dev,
IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
break;
case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_BAD_DEST;
break;
case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_OPEN_CNX_ERROR_CONNECTION_RATE_"
"NOT_SUPPORTED\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_CONN_RATE;
break;
case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
break;
case IO_XFER_ERROR_NAK_RECEIVED:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
break;
case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_NAK_R_ERR;
break;
case IO_XFER_OPEN_RETRY_TIMEOUT:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
pm8001_handle_event(pm8001_ha, t, IO_XFER_OPEN_RETRY_TIMEOUT);
return;
case IO_XFER_ERROR_UNEXPECTED_PHASE:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_ERROR_UNEXPECTED_PHASE\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_DATA_OVERRUN;
break;
case IO_XFER_ERROR_XFER_RDY_OVERRUN:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_ERROR_XFER_RDY_OVERRUN\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_DATA_OVERRUN;
break;
case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_DATA_OVERRUN;
break;
case IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_DATA_OVERRUN;
break;
case IO_XFER_ERROR_OFFSET_MISMATCH:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_DATA_OVERRUN;
break;
case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_DATA_OVERRUN;
break;
case IO_XFER_CMD_FRAME_ISSUED:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk(" IO_XFER_CMD_FRAME_ISSUED\n"));
return;
default:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("Unknown status 0x%x\n", event));
/* not allowed case. Therefore, return failed status */
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_DATA_OVERRUN;
break;
}
spin_lock_irqsave(&t->task_state_lock, flags);
t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
t->task_state_flags |= SAS_TASK_STATE_DONE;
if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
spin_unlock_irqrestore(&t->task_state_lock, flags);
PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("task 0x%p done with"
" event 0x%x resp 0x%x "
"stat 0x%x but aborted by upper layer!\n",
t, event, ts->resp, ts->stat));
pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
} else {
spin_unlock_irqrestore(&t->task_state_lock, flags);
pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
mb();/* in order to force CPU ordering */
t->task_done(t);
}
}
/*See the comments for mpi_ssp_completion */
static void
mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
{
struct sas_task *t;
struct pm8001_ccb_info *ccb;
u32 param;
u32 status;
u32 tag;
int i, j;
u8 sata_addr_low[4];
u32 temp_sata_addr_low;
u8 sata_addr_hi[4];
u32 temp_sata_addr_hi;
struct sata_completion_resp *psataPayload;
struct task_status_struct *ts;
struct ata_task_resp *resp ;
u32 *sata_resp;
struct pm8001_device *pm8001_dev;
unsigned long flags;
psataPayload = (struct sata_completion_resp *)(piomb + 4);
status = le32_to_cpu(psataPayload->status);
tag = le32_to_cpu(psataPayload->tag);
if (!tag) {
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("tag null\n"));
return;
}
ccb = &pm8001_ha->ccb_info[tag];
param = le32_to_cpu(psataPayload->param);
if (ccb) {
t = ccb->task;
pm8001_dev = ccb->device;
} else {
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("ccb null\n"));
return;
}
if (t) {
if (t->dev && (t->dev->lldd_dev))
pm8001_dev = t->dev->lldd_dev;
} else {
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("task null\n"));
return;
}
if ((pm8001_dev && !(pm8001_dev->id & NCQ_READ_LOG_FLAG))
&& unlikely(!t || !t->lldd_task || !t->dev)) {
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("task or dev null\n"));
return;
}
ts = &t->task_status;
if (!ts) {
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("ts null\n"));
return;
}
/* Print sas address of IO failed device */
if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
(status != IO_UNDERFLOW)) {
if (!((t->dev->parent) &&
(DEV_IS_EXPANDER(t->dev->parent->dev_type)))) {
for (i = 0 , j = 4; j <= 7 && i <= 3; i++ , j++)
sata_addr_low[i] = pm8001_ha->sas_addr[j];
for (i = 0 , j = 0; j <= 3 && i <= 3; i++ , j++)
sata_addr_hi[i] = pm8001_ha->sas_addr[j];
memcpy(&temp_sata_addr_low, sata_addr_low,
sizeof(sata_addr_low));
memcpy(&temp_sata_addr_hi, sata_addr_hi,
sizeof(sata_addr_hi));
temp_sata_addr_hi = (((temp_sata_addr_hi >> 24) & 0xff)
|((temp_sata_addr_hi << 8) &
0xff0000) |
((temp_sata_addr_hi >> 8)
& 0xff00) |
((temp_sata_addr_hi << 24) &
0xff000000));
temp_sata_addr_low = ((((temp_sata_addr_low >> 24)
& 0xff) |
((temp_sata_addr_low << 8)
& 0xff0000) |
((temp_sata_addr_low >> 8)
& 0xff00) |
((temp_sata_addr_low << 24)
& 0xff000000)) +
pm8001_dev->attached_phy +
0x10);
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("SAS Address of IO Failure Drive:"
"%08x%08x", temp_sata_addr_hi,
temp_sata_addr_low));
} else {
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("SAS Address of IO Failure Drive:"
"%016llx", SAS_ADDR(t->dev->sas_addr)));
}
}
switch (status) {
case IO_SUCCESS:
PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));
if (param == 0) {
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAM_STAT_GOOD;
/* check if response is for SEND READ LOG */
if (pm8001_dev &&
(pm8001_dev->id & NCQ_READ_LOG_FLAG)) {
/* set new bit for abort_all */
pm8001_dev->id |= NCQ_ABORT_ALL_FLAG;
/* clear bit for read log */
pm8001_dev->id = pm8001_dev->id & 0x7FFFFFFF;
pm8001_send_abort_all(pm8001_ha, pm8001_dev);
/* Free the tag */
pm8001_tag_free(pm8001_ha, tag);
sas_free_task(t);
return;
}
} else {
u8 len;
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_PROTO_RESPONSE;
ts->residual = param;
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("SAS_PROTO_RESPONSE len = %d\n",
param));
sata_resp = &psataPayload->sata_resp[0];
resp = (struct ata_task_resp *)ts->buf;
if (t->ata_task.dma_xfer == 0 &&
t->data_dir == PCI_DMA_FROMDEVICE) {
len = sizeof(struct pio_setup_fis);
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("PIO read len = %d\n", len));
} else if (t->ata_task.use_ncq) {
len = sizeof(struct set_dev_bits_fis);
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("FPDMA len = %d\n", len));
} else {
len = sizeof(struct dev_to_host_fis);
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("other len = %d\n", len));
}
if (SAS_STATUS_BUF_SIZE >= sizeof(*resp)) {
resp->frame_len = len;
memcpy(&resp->ending_fis[0], sata_resp, len);
ts->buf_valid_size = sizeof(*resp);
} else
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("response to large\n"));
}
if (pm8001_dev)
pm8001_dev->running_req--;
break;
case IO_ABORTED:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_ABORTED IOMB Tag\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_ABORTED_TASK;
if (pm8001_dev)
pm8001_dev->running_req--;
break;
/* following cases are to do cases */
case IO_UNDERFLOW:
/* SATA Completion with error */
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_UNDERFLOW param = %d\n", param));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_DATA_UNDERRUN;
ts->residual = param;
if (pm8001_dev)
pm8001_dev->running_req--;
break;
case IO_NO_DEVICE:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_NO_DEVICE\n"));
ts->resp = SAS_TASK_UNDELIVERED;
ts->stat = SAS_PHY_DOWN;
break;
case IO_XFER_ERROR_BREAK:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_ERROR_BREAK\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_INTERRUPTED;
break;
case IO_XFER_ERROR_PHY_NOT_READY:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
break;
case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT"
"_SUPPORTED\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_EPROTO;
break;
case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_UNKNOWN;
break;
case IO_OPEN_CNX_ERROR_BREAK:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
break;
case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_DEV_NO_RESPONSE;
if (!t->uldd_task) {
pm8001_handle_event(pm8001_ha,
pm8001_dev,
IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
ts->resp = SAS_TASK_UNDELIVERED;
ts->stat = SAS_QUEUE_FULL;
pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
return;
}
break;
case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
ts->resp = SAS_TASK_UNDELIVERED;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_BAD_DEST;
if (!t->uldd_task) {
pm8001_handle_event(pm8001_ha,
pm8001_dev,
IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
ts->resp = SAS_TASK_UNDELIVERED;
ts->stat = SAS_QUEUE_FULL;
pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
return;
}
break;
case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_OPEN_CNX_ERROR_CONNECTION_RATE_"
"NOT_SUPPORTED\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_CONN_RATE;
break;
case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_OPEN_CNX_ERROR_STP_RESOURCES"
"_BUSY\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_DEV_NO_RESPONSE;
if (!t->uldd_task) {
pm8001_handle_event(pm8001_ha,
pm8001_dev,
IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY);
ts->resp = SAS_TASK_UNDELIVERED;
ts->stat = SAS_QUEUE_FULL;
pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
return;
}
break;
case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
break;
case IO_XFER_ERROR_NAK_RECEIVED:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_NAK_R_ERR;
break;
case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_NAK_R_ERR;
break;
case IO_XFER_ERROR_DMA:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_ERROR_DMA\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_ABORTED_TASK;
break;
case IO_XFER_ERROR_SATA_LINK_TIMEOUT:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_ERROR_SATA_LINK_TIMEOUT\n"));
ts->resp = SAS_TASK_UNDELIVERED;
ts->stat = SAS_DEV_NO_RESPONSE;
break;
case IO_XFER_ERROR_REJECTED_NCQ_MODE:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_ERROR_REJECTED_NCQ_MODE\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_DATA_UNDERRUN;
break;
case IO_XFER_OPEN_RETRY_TIMEOUT:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_TO;
break;
case IO_PORT_IN_RESET:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_PORT_IN_RESET\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_DEV_NO_RESPONSE;
break;
case IO_DS_NON_OPERATIONAL:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_DEV_NO_RESPONSE;
if (!t->uldd_task) {
pm8001_handle_event(pm8001_ha, pm8001_dev,
IO_DS_NON_OPERATIONAL);
ts->resp = SAS_TASK_UNDELIVERED;
ts->stat = SAS_QUEUE_FULL;
pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
return;
}
break;
case IO_DS_IN_RECOVERY:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk(" IO_DS_IN_RECOVERY\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_DEV_NO_RESPONSE;
break;
case IO_DS_IN_ERROR:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_DS_IN_ERROR\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_DEV_NO_RESPONSE;
if (!t->uldd_task) {
pm8001_handle_event(pm8001_ha, pm8001_dev,
IO_DS_IN_ERROR);
ts->resp = SAS_TASK_UNDELIVERED;
ts->stat = SAS_QUEUE_FULL;
pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
return;
}
break;
case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
break;
default:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("Unknown status 0x%x\n", status));
/* not allowed case. Therefore, return failed status */
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_DEV_NO_RESPONSE;
break;
}
spin_lock_irqsave(&t->task_state_lock, flags);
t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
t->task_state_flags |= SAS_TASK_STATE_DONE;
if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
spin_unlock_irqrestore(&t->task_state_lock, flags);
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("task 0x%p done with io_status 0x%x"
" resp 0x%x stat 0x%x but aborted by upper layer!\n",
t, status, ts->resp, ts->stat));
pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
} else {
spin_unlock_irqrestore(&t->task_state_lock, flags);
pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
}
}
/*See the comments for mpi_ssp_completion */
static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
{
struct sas_task *t;
struct task_status_struct *ts;
struct pm8001_ccb_info *ccb;
struct pm8001_device *pm8001_dev;
struct sata_event_resp *psataPayload =
(struct sata_event_resp *)(piomb + 4);
u32 event = le32_to_cpu(psataPayload->event);
u32 tag = le32_to_cpu(psataPayload->tag);
u32 port_id = le32_to_cpu(psataPayload->port_id);
u32 dev_id = le32_to_cpu(psataPayload->device_id);
unsigned long flags;
ccb = &pm8001_ha->ccb_info[tag];
if (ccb) {
t = ccb->task;
pm8001_dev = ccb->device;
} else {
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("No CCB !!!. returning\n"));
}
if (event)
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("SATA EVENT 0x%x\n", event));
/* Check if this is NCQ error */
if (event == IO_XFER_ERROR_ABORTED_NCQ_MODE) {
/* find device using device id */
pm8001_dev = pm8001_find_dev(pm8001_ha, dev_id);
/* send read log extension */
if (pm8001_dev)
pm8001_send_read_log(pm8001_ha, pm8001_dev);
return;
}
ccb = &pm8001_ha->ccb_info[tag];
t = ccb->task;
pm8001_dev = ccb->device;
if (event)
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("sata IO status 0x%x\n", event));
if (unlikely(!t || !t->lldd_task || !t->dev))
return;
ts = &t->task_status;
PM8001_IO_DBG(pm8001_ha, pm8001_printk(
"port_id:0x%x, device_id:0x%x, tag:0x%x, event:0x%x\n",
port_id, dev_id, tag, event));
switch (event) {
case IO_OVERFLOW:
PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_DATA_OVERRUN;
ts->residual = 0;
if (pm8001_dev)
pm8001_dev->running_req--;
break;
case IO_XFER_ERROR_BREAK:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_ERROR_BREAK\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_INTERRUPTED;
break;
case IO_XFER_ERROR_PHY_NOT_READY:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
break;
case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT"
"_SUPPORTED\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_EPROTO;
break;
case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_UNKNOWN;
break;
case IO_OPEN_CNX_ERROR_BREAK:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
break;
case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
ts->resp = SAS_TASK_UNDELIVERED;
ts->stat = SAS_DEV_NO_RESPONSE;
if (!t->uldd_task) {
pm8001_handle_event(pm8001_ha,
pm8001_dev,
IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_QUEUE_FULL;
pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
return;
}
break;
case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
ts->resp = SAS_TASK_UNDELIVERED;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_BAD_DEST;
break;
case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_OPEN_CNX_ERROR_CONNECTION_RATE_"
"NOT_SUPPORTED\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_CONN_RATE;
break;
case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
break;
case IO_XFER_ERROR_NAK_RECEIVED:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_NAK_R_ERR;
break;
case IO_XFER_ERROR_PEER_ABORTED:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_ERROR_PEER_ABORTED\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_NAK_R_ERR;
break;
case IO_XFER_ERROR_REJECTED_NCQ_MODE:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_ERROR_REJECTED_NCQ_MODE\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_DATA_UNDERRUN;
break;
case IO_XFER_OPEN_RETRY_TIMEOUT:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_TO;
break;
case IO_XFER_ERROR_UNEXPECTED_PHASE:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_ERROR_UNEXPECTED_PHASE\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_TO;
break;
case IO_XFER_ERROR_XFER_RDY_OVERRUN:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_ERROR_XFER_RDY_OVERRUN\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_TO;
break;
case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_TO;
break;
case IO_XFER_ERROR_OFFSET_MISMATCH:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_TO;
break;
case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_TO;
break;
case IO_XFER_CMD_FRAME_ISSUED:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_CMD_FRAME_ISSUED\n"));
break;
case IO_XFER_PIO_SETUP_ERROR:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_PIO_SETUP_ERROR\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_TO;
break;
default:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("Unknown status 0x%x\n", event));
/* not allowed case. Therefore, return failed status */
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_TO;
break;
}
spin_lock_irqsave(&t->task_state_lock, flags);
t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
t->task_state_flags |= SAS_TASK_STATE_DONE;
if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
spin_unlock_irqrestore(&t->task_state_lock, flags);
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("task 0x%p done with io_status 0x%x"
" resp 0x%x stat 0x%x but aborted by upper layer!\n",
t, event, ts->resp, ts->stat));
pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
} else {
spin_unlock_irqrestore(&t->task_state_lock, flags);
pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
}
}
/*See the comments for mpi_ssp_completion */
static void
mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
{
u32 param;
struct sas_task *t;
struct pm8001_ccb_info *ccb;
unsigned long flags;
u32 status;
u32 tag;
struct smp_completion_resp *psmpPayload;
struct task_status_struct *ts;
struct pm8001_device *pm8001_dev;
psmpPayload = (struct smp_completion_resp *)(piomb + 4);
status = le32_to_cpu(psmpPayload->status);
tag = le32_to_cpu(psmpPayload->tag);
ccb = &pm8001_ha->ccb_info[tag];
param = le32_to_cpu(psmpPayload->param);
t = ccb->task;
ts = &t->task_status;
pm8001_dev = ccb->device;
if (status)
PM8001_FAIL_DBG(pm8001_ha,
pm8001_printk("smp IO status 0x%x\n", status));
if (unlikely(!t || !t->lldd_task || !t->dev))
return;
switch (status) {
case IO_SUCCESS:
PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAM_STAT_GOOD;
if (pm8001_dev)
pm8001_dev->running_req--;
break;
case IO_ABORTED:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_ABORTED IOMB\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_ABORTED_TASK;
if (pm8001_dev)
pm8001_dev->running_req--;
break;
case IO_OVERFLOW:
PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_DATA_OVERRUN;
ts->residual = 0;
if (pm8001_dev)
pm8001_dev->running_req--;
break;
case IO_NO_DEVICE:
PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_NO_DEVICE\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_PHY_DOWN;
break;
case IO_ERROR_HW_TIMEOUT:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_ERROR_HW_TIMEOUT\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAM_STAT_BUSY;
break;
case IO_XFER_ERROR_BREAK:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_ERROR_BREAK\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAM_STAT_BUSY;
break;
case IO_XFER_ERROR_PHY_NOT_READY:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAM_STAT_BUSY;
break;
case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_UNKNOWN;
break;
case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
ts->resp = SAS_TASK_COMPLETE;
ts->stat = SAS_OPEN_REJECT;
ts->open_rej_reason = SAS_OREJ_UNKNOWN;
break;
case IO_OPEN_CNX_ERROR_BREAK:
PM8001_IO_DBG(pm8001_ha,
pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
ts->resp = SAS_TASK_COMPLETE;