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scsi: csiostor: add support for Chelsio T6 adapters 

Enable probe for T6 adapters, add code to flash T6 firmware and firmware
config file, use T6 specific macros.

Signed-off-by: Varun Prakash <varun@chelsio.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
hifive-unleashed-5.1
Varun Prakash 2017-05-18 20:17:38 +05:30 committed by Martin K. Petersen
parent bfcc62ed70
commit 4bbd458eaa
5 changed files with 88 additions and 44 deletions
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79
drivers/scsi/csiostor/csio_hw.c
View File

@ -794,18 +794,24 @@ csio_hw_dev_ready(struct csio_hw *hw)
{
uint32_t reg;
int cnt = 6;
int src_pf;
while (((reg = csio_rd_reg32(hw, PL_WHOAMI_A)) == 0xFFFFFFFF) &&
(--cnt != 0))
mdelay(100);
if ((cnt == 0) && (((int32_t)(SOURCEPF_G(reg)) < 0) ||
(SOURCEPF_G(reg) >= CSIO_MAX_PFN))) {
if (csio_is_t5(hw->pdev->device & CSIO_HW_CHIP_MASK))
src_pf = SOURCEPF_G(reg);
else
src_pf = T6_SOURCEPF_G(reg);
if ((cnt == 0) && (((int32_t)(src_pf) < 0) ||
(src_pf >= CSIO_MAX_PFN))) {
csio_err(hw, "PL_WHOAMI returned 0x%x, cnt:%d\n", reg, cnt);
return -EIO;
}
hw->pfn = SOURCEPF_G(reg);
hw->pfn = src_pf;
return 0;
}
@ -1581,10 +1587,16 @@ csio_hw_flash_config(struct csio_hw *hw, u32 *fw_cfg_param, char *path)
unsigned int mtype = 0, maddr = 0;
uint32_t *cfg_data;
int value_to_add = 0;
const char *fw_cfg_file;
if (request_firmware(&cf, FW_CFG_NAME_T5, dev) < 0) {
if (csio_is_t5(pci_dev->device & CSIO_HW_CHIP_MASK))
fw_cfg_file = FW_CFG_NAME_T5;
else
fw_cfg_file = FW_CFG_NAME_T6;
if (request_firmware(&cf, fw_cfg_file, dev) < 0) {
csio_err(hw, "could not find config file %s, err: %d\n",
FW_CFG_NAME_T5, ret);
fw_cfg_file, ret);
return -ENOENT;
}
@ -1623,9 +1635,8 @@ csio_hw_flash_config(struct csio_hw *hw, u32 *fw_cfg_param, char *path)
ret = csio_memory_write(hw, mtype, maddr + size, 4, &last.word);
}
if (ret == 0) {
csio_info(hw, "config file upgraded to %s\n",
FW_CFG_NAME_T5);
snprintf(path, 64, "%s%s", "/lib/firmware/", FW_CFG_NAME_T5);
csio_info(hw, "config file upgraded to %s\n", fw_cfg_file);
snprintf(path, 64, "%s%s", "/lib/firmware/", fw_cfg_file);
}
leave:
@ -1886,6 +1897,19 @@ static struct fw_info fw_info_array[] = {
.intfver_iscsi = FW_INTFVER(T5, ISCSI),
.intfver_fcoe = FW_INTFVER(T5, FCOE),
},
}, {
.chip = CHELSIO_T6,
.fs_name = FW_CFG_NAME_T6,
.fw_mod_name = FW_FNAME_T6,
.fw_hdr = {
.chip = FW_HDR_CHIP_T6,
.fw_ver = __cpu_to_be32(FW_VERSION(T6)),
.intfver_nic = FW_INTFVER(T6, NIC),
.intfver_vnic = FW_INTFVER(T6, VNIC),
.intfver_ri = FW_INTFVER(T6, RI),
.intfver_iscsi = FW_INTFVER(T6, ISCSI),
.intfver_fcoe = FW_INTFVER(T6, FCOE),
},
}
};
@ -2002,6 +2026,7 @@ csio_hw_flash_fw(struct csio_hw *hw, int *reset)
struct device *dev = &pci_dev->dev ;
const u8 *fw_data = NULL;
unsigned int fw_size = 0;
const char *fw_bin_file;
/* This is the firmware whose headers the driver was compiled
* against
@ -2014,9 +2039,14 @@ csio_hw_flash_fw(struct csio_hw *hw, int *reset)
return -EINVAL;
}
if (request_firmware(&fw, FW_FNAME_T5, dev) < 0) {
if (csio_is_t5(pci_dev->device & CSIO_HW_CHIP_MASK))
fw_bin_file = FW_FNAME_T5;
else
fw_bin_file = FW_FNAME_T6;
if (request_firmware(&fw, fw_bin_file, dev) < 0) {
csio_err(hw, "could not find firmware image %s, err: %d\n",
FW_FNAME_T5, ret);
fw_bin_file, ret);
} else {
fw_data = fw->data;
fw_size = fw->size;
@ -2241,9 +2271,14 @@ static void
csio_hw_intr_enable(struct csio_hw *hw)
{
uint16_t vec = (uint16_t)csio_get_mb_intr_idx(csio_hw_to_mbm(hw));
uint32_t pf = SOURCEPF_G(csio_rd_reg32(hw, PL_WHOAMI_A));
u32 pf = 0;
uint32_t pl = csio_rd_reg32(hw, PL_INT_ENABLE_A);
if (csio_is_t5(hw->pdev->device & CSIO_HW_CHIP_MASK))
pf = SOURCEPF_G(csio_rd_reg32(hw, PL_WHOAMI_A));
else
pf = T6_SOURCEPF_G(csio_rd_reg32(hw, PL_WHOAMI_A));
/*
* Set aivec for MSI/MSIX. PCIE_PF_CFG.INTXType is set up
* by FW, so do nothing for INTX.
@ -2293,7 +2328,12 @@ csio_hw_intr_enable(struct csio_hw *hw)
void
csio_hw_intr_disable(struct csio_hw *hw)
{
uint32_t pf = SOURCEPF_G(csio_rd_reg32(hw, PL_WHOAMI_A));
u32 pf = 0;
if (csio_is_t5(hw->pdev->device & CSIO_HW_CHIP_MASK))
pf = SOURCEPF_G(csio_rd_reg32(hw, PL_WHOAMI_A));
else
pf = T6_SOURCEPF_G(csio_rd_reg32(hw, PL_WHOAMI_A));
if (!(hw->flags & CSIO_HWF_HW_INTR_ENABLED))
return;
@ -2918,6 +2958,8 @@ static void csio_cplsw_intr_handler(struct csio_hw *hw)
*/
static void csio_le_intr_handler(struct csio_hw *hw)
{
enum chip_type chip = CHELSIO_CHIP_VERSION(hw->chip_id);
static struct intr_info le_intr_info[] = {
{ LIPMISS_F, "LE LIP miss", -1, 0 },
{ LIP0_F, "LE 0 LIP error", -1, 0 },
@ -2927,7 +2969,18 @@ static void csio_le_intr_handler(struct csio_hw *hw)
{ 0, NULL, 0, 0 }
};
if (csio_handle_intr_status(hw, LE_DB_INT_CAUSE_A, le_intr_info))
static struct intr_info t6_le_intr_info[] = {
{ T6_LIPMISS_F, "LE LIP miss", -1, 0 },
{ T6_LIP0_F, "LE 0 LIP error", -1, 0 },
{ TCAMINTPERR_F, "LE parity error", -1, 1 },
{ T6_UNKNOWNCMD_F, "LE unknown command", -1, 1 },
{ SSRAMINTPERR_F, "LE request queue parity error", -1, 1 },
{ 0, NULL, 0, 0 }
};
if (csio_handle_intr_status(hw, LE_DB_INT_CAUSE_A,
(chip == CHELSIO_T5) ?
le_intr_info : t6_le_intr_info))
csio_hw_fatal_err(hw);
}

14
drivers/scsi/csiostor/csio_hw_chip.h
View File

@ -39,11 +39,15 @@
/* Define MACRO values */
#define CSIO_HW_T5 0x5000
#define CSIO_T5_FCOE_ASIC 0x5600
#define CSIO_HW_T6 0x6000
#define CSIO_T6_FCOE_ASIC 0x6600
#define CSIO_HW_CHIP_MASK 0xF000
#define T5_REGMAP_SIZE (332 * 1024)
#define FW_FNAME_T5 "cxgb4/t5fw.bin"
#define FW_CFG_NAME_T5 "cxgb4/t5-config.txt"
#define FW_FNAME_T6 "cxgb4/t6fw.bin"
#define FW_CFG_NAME_T6 "cxgb4/t6-config.txt"
#define CHELSIO_CHIP_CODE(version, revision) (((version) << 4) | (revision))
#define CHELSIO_CHIP_FPGA 0x100
@ -51,12 +55,17 @@
#define CHELSIO_CHIP_RELEASE(code) ((code) & 0xf)
#define CHELSIO_T5 0x5
#define CHELSIO_T6 0x6
enum chip_type {
T5_A0 = CHELSIO_CHIP_CODE(CHELSIO_T5, 0),
T5_A1 = CHELSIO_CHIP_CODE(CHELSIO_T5, 1),
T5_FIRST_REV = T5_A0,
T5_LAST_REV = T5_A1,
T6_A0 = CHELSIO_CHIP_CODE(CHELSIO_T6, 0),
T6_FIRST_REV = T6_A0,
T6_LAST_REV = T6_A0,
};
static inline int csio_is_t5(uint16_t chip)
@ -64,6 +73,11 @@ static inline int csio_is_t5(uint16_t chip)
return (chip == CSIO_HW_T5);
}
static inline int csio_is_t6(uint16_t chip)
{
return (chip == CSIO_HW_T6);
}
/* Define MACRO DEFINITIONS */
#define CSIO_DEVICE(devid, idx) \
{ PCI_VENDOR_ID_CHELSIO, (devid), PCI_ANY_ID, PCI_ANY_ID, 0, 0, (idx) }

29
drivers/scsi/csiostor/csio_hw_t5.c
View File

@ -71,27 +71,6 @@ csio_t5_set_mem_win(struct csio_hw *hw, uint32_t win)
static void
csio_t5_pcie_intr_handler(struct csio_hw *hw)
{
static struct intr_info sysbus_intr_info[] = {
{ RNPP_F, "RXNP array parity error", -1, 1 },
{ RPCP_F, "RXPC array parity error", -1, 1 },
{ RCIP_F, "RXCIF array parity error", -1, 1 },
{ RCCP_F, "Rx completions control array parity error", -1, 1 },
{ RFTP_F, "RXFT array parity error", -1, 1 },
{ 0, NULL, 0, 0 }
};
static struct intr_info pcie_port_intr_info[] = {
{ TPCP_F, "TXPC array parity error", -1, 1 },
{ TNPP_F, "TXNP array parity error", -1, 1 },
{ TFTP_F, "TXFT array parity error", -1, 1 },
{ TCAP_F, "TXCA array parity error", -1, 1 },
{ TCIP_F, "TXCIF array parity error", -1, 1 },
{ RCAP_F, "RXCA array parity error", -1, 1 },
{ OTDD_F, "outbound request TLP discarded", -1, 1 },
{ RDPE_F, "Rx data parity error", -1, 1 },
{ TDUE_F, "Tx uncorrectable data error", -1, 1 },
{ 0, NULL, 0, 0 }
};
static struct intr_info pcie_intr_info[] = {
{ MSTGRPPERR_F, "Master Response Read Queue parity error",
-1, 1 },
@ -133,13 +112,7 @@ csio_t5_pcie_intr_handler(struct csio_hw *hw)
};
int fat;
fat = csio_handle_intr_status(hw,
PCIE_CORE_UTL_SYSTEM_BUS_AGENT_STATUS_A,
sysbus_intr_info) +
csio_handle_intr_status(hw,
PCIE_CORE_UTL_PCI_EXPRESS_PORT_STATUS_A,
pcie_port_intr_info) +
csio_handle_intr_status(hw, PCIE_INT_CAUSE_A, pcie_intr_info);
fat = csio_handle_intr_status(hw, PCIE_INT_CAUSE_A, pcie_intr_info);
if (fat)
csio_hw_fatal_err(hw);
}

6
drivers/scsi/csiostor/csio_init.c
View File

@ -952,8 +952,9 @@ static int csio_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
struct csio_hw *hw;
struct csio_lnode *ln;
/* probe only T5 cards */
if (!csio_is_t5((pdev->device & CSIO_HW_CHIP_MASK)))
/* probe only T5 and T6 cards */
if (!csio_is_t5((pdev->device & CSIO_HW_CHIP_MASK)) &&
!csio_is_t6((pdev->device & CSIO_HW_CHIP_MASK)))
return -ENODEV;
rv = csio_pci_init(pdev, &bars);
@ -1253,3 +1254,4 @@ MODULE_LICENSE(CSIO_DRV_LICENSE);
MODULE_DEVICE_TABLE(pci, csio_pci_tbl);
MODULE_VERSION(CSIO_DRV_VERSION);
MODULE_FIRMWARE(FW_FNAME_T5);
MODULE_FIRMWARE(FW_FNAME_T6);

4
drivers/scsi/csiostor/csio_wr.c
View File

@ -480,12 +480,14 @@ csio_wr_iq_create(struct csio_hw *hw, void *priv, int iq_idx,
flq_idx = csio_q_iq_flq_idx(hw, iq_idx);
if (flq_idx != -1) {
enum chip_type chip = CHELSIO_CHIP_VERSION(hw->chip_id);
struct csio_q *flq = hw->wrm.q_arr[flq_idx];
iqp.fl0paden = 1;
iqp.fl0packen = flq->un.fl.packen ? 1 : 0;
iqp.fl0fbmin = X_FETCHBURSTMIN_64B;
iqp.fl0fbmax = X_FETCHBURSTMAX_512B;
iqp.fl0fbmax = ((chip == CHELSIO_T5) ?
X_FETCHBURSTMAX_512B : X_FETCHBURSTMAX_256B);
iqp.fl0size = csio_q_size(hw, flq_idx) / CSIO_QCREDIT_SZ;
iqp.fl0addr = csio_q_pstart(hw, flq_idx);
}