/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
*/
/*
* hermon_ioctl.c
* Hemron IOCTL Routines
*
* Implements all ioctl access into the driver. This includes all routines
* necessary for updating firmware, accessing the hermon flash device, and
* providing interfaces for VTS.
*/
#include <sys/types.h>
#include <sys/conf.h>
#include <sys/ddi.h>
#include <sys/sunddi.h>
#include <sys/modctl.h>
#include <sys/file.h>
#include <sys/ib/adapters/hermon/hermon.h>
/* Hemron HCA state pointer (extern) */
extern void *hermon_statep;
extern int hermon_verbose;
#define DO_WRCONF 1
static int do_bar0 = 1;
/*
* The ioctl declarations (for firmware flash burning, register read/write
* (DEBUG-only), and VTS interfaces)
*/
static int hermon_ioctl_flash_read(hermon_state_t *state, dev_t dev,
intptr_t arg, int mode);
static int hermon_ioctl_flash_write(hermon_state_t *state, dev_t dev,
intptr_t arg, int mode);
static int hermon_ioctl_flash_erase(hermon_state_t *state, dev_t dev,
intptr_t arg, int mode);
static int hermon_ioctl_flash_init(hermon_state_t *state, dev_t dev,
intptr_t arg, int mode);
static int hermon_ioctl_flash_fini(hermon_state_t *state, dev_t dev);
static int hermon_ioctl_flash_cleanup(hermon_state_t *state);
static int hermon_ioctl_flash_cleanup_nolock(hermon_state_t *state);
#ifdef DEBUG
static int hermon_ioctl_reg_write(hermon_state_t *state, intptr_t arg,
int mode);
static int hermon_ioctl_reg_read(hermon_state_t *state, intptr_t arg,
int mode);
#endif /* DEBUG */
static int hermon_ioctl_write_boot_addr(hermon_state_t *state, dev_t dev,
intptr_t arg, int mode);
static int hermon_ioctl_info(hermon_state_t *state, dev_t dev,
intptr_t arg, int mode);
static int hermon_ioctl_ports(hermon_state_t *state, intptr_t arg,
int mode);
static int hermon_ioctl_loopback(hermon_state_t *state, intptr_t arg,
int mode);
/* Hemron Flash Functions */
static void hermon_flash_spi_exec_command(hermon_state_t *state,
ddi_acc_handle_t hdl, uint32_t cmd);
static int hermon_flash_read_sector(hermon_state_t *state,
uint32_t sector_num);
static int hermon_flash_read_quadlet(hermon_state_t *state, uint32_t *data,
uint32_t addr);
static int hermon_flash_write_sector(hermon_state_t *state,
uint32_t sector_num);
static int hermon_flash_spi_write_dword(hermon_state_t *state,
uint32_t addr, uint32_t data);
static int hermon_flash_write_byte(hermon_state_t *state, uint32_t addr,
uchar_t data);
static int hermon_flash_erase_sector(hermon_state_t *state,
uint32_t sector_num);
static int hermon_flash_erase_chip(hermon_state_t *state);
static int hermon_flash_bank(hermon_state_t *state, uint32_t addr);
static uint32_t hermon_flash_read(hermon_state_t *state, uint32_t addr,
int *err);
static void hermon_flash_write(hermon_state_t *state, uint32_t addr,
uchar_t data, int *err);
static int hermon_flash_spi_wait_wip(hermon_state_t *state);
static void hermon_flash_spi_write_enable(hermon_state_t *state);
static int hermon_flash_init(hermon_state_t *state);
static int hermon_flash_cfi_init(hermon_state_t *state, uint32_t *cfi_info,
int *intel_xcmd);
static int hermon_flash_fini(hermon_state_t *state);
static int hermon_flash_reset(hermon_state_t *state);
static uint32_t hermon_flash_read_cfg(hermon_state_t *state,
ddi_acc_handle_t pci_config_hdl, uint32_t addr);
#ifdef DO_WRCONF
static void hermon_flash_write_cfg(hermon_state_t *state,
ddi_acc_handle_t pci_config_hdl, uint32_t addr, uint32_t data);
static void hermon_flash_write_cfg_helper(hermon_state_t *state,
ddi_acc_handle_t pci_config_hdl, uint32_t addr, uint32_t data);
static void hermon_flash_write_confirm(hermon_state_t *state,
ddi_acc_handle_t pci_config_hdl);
#endif
static void hermon_flash_cfi_byte(uint8_t *ch, uint32_t dword, int i);
static void hermon_flash_cfi_dword(uint32_t *dword, uint8_t *ch, int i);
/* Hemron loopback test functions */
static void hermon_loopback_free_qps(hermon_loopback_state_t *lstate);
static void hermon_loopback_free_state(hermon_loopback_state_t *lstate);
static int hermon_loopback_init(hermon_state_t *state,
hermon_loopback_state_t *lstate);
static void hermon_loopback_init_qp_info(hermon_loopback_state_t *lstate,
hermon_loopback_comm_t *comm);
static int hermon_loopback_alloc_mem(hermon_loopback_state_t *lstate,
hermon_loopback_comm_t *comm, int sz);
static int hermon_loopback_alloc_qps(hermon_loopback_state_t *lstate,
hermon_loopback_comm_t *comm);
static int hermon_loopback_modify_qp(hermon_loopback_state_t *lstate,
hermon_loopback_comm_t *comm, uint_t qp_num);
static int hermon_loopback_copyout(hermon_loopback_ioctl_t *lb,
intptr_t arg, int mode);
static int hermon_loopback_post_send(hermon_loopback_state_t *lstate,
hermon_loopback_comm_t *tx, hermon_loopback_comm_t *rx);
static int hermon_loopback_poll_cq(hermon_loopback_state_t *lstate,
hermon_loopback_comm_t *comm);
/* Patchable timeout values for flash operations */
int hermon_hw_flash_timeout_gpio_sema = HERMON_HW_FLASH_TIMEOUT_GPIO_SEMA;
int hermon_hw_flash_timeout_config = HERMON_HW_FLASH_TIMEOUT_CONFIG;
int hermon_hw_flash_timeout_write = HERMON_HW_FLASH_TIMEOUT_WRITE;
int hermon_hw_flash_timeout_erase = HERMON_HW_FLASH_TIMEOUT_ERASE;
/*
* hermon_ioctl()
*/
/* ARGSUSED */
int
hermon_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *credp,
int *rvalp)
{
hermon_state_t *state;
minor_t instance;
int status;
if (drv_priv(credp) != 0) {
return (EPERM);
}
instance = HERMON_DEV_INSTANCE(dev);
if (instance == (minor_t)-1) {
return (EBADF);
}
state = ddi_get_soft_state(hermon_statep, instance);
if (state == NULL) {
return (EBADF);
}
status = 0;
switch (cmd) {
case HERMON_IOCTL_FLASH_READ:
status = hermon_ioctl_flash_read(state, dev, arg, mode);
break;
case HERMON_IOCTL_FLASH_WRITE:
status = hermon_ioctl_flash_write(state, dev, arg, mode);
break;
case HERMON_IOCTL_FLASH_ERASE:
status = hermon_ioctl_flash_erase(state, dev, arg, mode);
break;
case HERMON_IOCTL_FLASH_INIT:
status = hermon_ioctl_flash_init(state, dev, arg, mode);
break;
case HERMON_IOCTL_FLASH_FINI:
status = hermon_ioctl_flash_fini(state, dev);
break;
case HERMON_IOCTL_INFO:
status = hermon_ioctl_info(state, dev, arg, mode);
break;
case HERMON_IOCTL_PORTS:
status = hermon_ioctl_ports(state, arg, mode);
break;
case HERMON_IOCTL_LOOPBACK:
status = hermon_ioctl_loopback(state, arg, mode);
break;
#ifdef DEBUG
case HERMON_IOCTL_REG_WRITE:
status = hermon_ioctl_reg_write(state, arg, mode);
break;
case HERMON_IOCTL_REG_READ:
status = hermon_ioctl_reg_read(state, arg, mode);
break;
#endif /* DEBUG */
case HERMON_IOCTL_DDR_READ:
/* XXX guard until the ioctl header is cleaned up */
status = ENODEV;
break;
case HERMON_IOCTL_WRITE_BOOT_ADDR:
status = hermon_ioctl_write_boot_addr(state, dev, arg, mode);
break;
default:
status = ENOTTY;
break;
}
*rvalp = status;
return (status);
}
/*
* hermon_ioctl_flash_read()
*/
static int
hermon_ioctl_flash_read(hermon_state_t *state, dev_t dev, intptr_t arg,
int mode)
{
hermon_flash_ioctl_t ioctl_info;
int status = 0;
/*
* Check that flash init ioctl has been called first. And check
* that the same dev_t that called init is the one calling read now.
*/
mutex_enter(&state->hs_fw_flashlock);
if ((state->hs_fw_flashdev != dev) ||
(state->hs_fw_flashstarted == 0)) {
mutex_exit(&state->hs_fw_flashlock);
return (EIO);
}
/* copy user struct to kernel */
#ifdef _MULTI_DATAMODEL
if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
hermon_flash_ioctl32_t info32;
if (ddi_copyin((void *)arg, &info32,
sizeof (hermon_flash_ioctl32_t), mode) != 0) {
mutex_exit(&state->hs_fw_flashlock);
return (EFAULT);
}
ioctl_info.af_type = info32.af_type;
ioctl_info.af_sector = (caddr_t)(uintptr_t)info32.af_sector;
ioctl_info.af_sector_num = info32.af_sector_num;
ioctl_info.af_addr = info32.af_addr;
} else
#endif /* _MULTI_DATAMODEL */
if (ddi_copyin((void *)arg, &ioctl_info, sizeof (hermon_flash_ioctl_t),
mode) != 0) {
mutex_exit(&state->hs_fw_flashlock);
return (EFAULT);
}
/*
* Determine type of READ ioctl
*/
switch (ioctl_info.af_type) {
case HERMON_FLASH_READ_SECTOR:
/* Check if sector num is too large for flash device */
if (ioctl_info.af_sector_num >=
(state->hs_fw_device_sz >> state->hs_fw_log_sector_sz)) {
mutex_exit(&state->hs_fw_flashlock);
return (EFAULT);
}
/* Perform the Sector Read */
if ((status = hermon_flash_reset(state)) != 0 ||
(status = hermon_flash_read_sector(state,
ioctl_info.af_sector_num)) != 0) {
mutex_exit(&state->hs_fw_flashlock);
return (status);
}
/* copyout the firmware sector image data */
if (ddi_copyout(&state->hs_fw_sector[0],
&ioctl_info.af_sector[0], 1 << state->hs_fw_log_sector_sz,
mode) != 0) {
mutex_exit(&state->hs_fw_flashlock);
return (EFAULT);
}
break;
case HERMON_FLASH_READ_QUADLET:
/* Check if addr is too large for flash device */
if (ioctl_info.af_addr >= state->hs_fw_device_sz) {
mutex_exit(&state->hs_fw_flashlock);
return (EFAULT);
}
/* Perform the Quadlet Read */
if ((status = hermon_flash_reset(state)) != 0 ||
(status = hermon_flash_read_quadlet(state,
&ioctl_info.af_quadlet, ioctl_info.af_addr)) != 0) {
mutex_exit(&state->hs_fw_flashlock);
return (status);
}
break;
default:
mutex_exit(&state->hs_fw_flashlock);
return (EINVAL);
}
/* copy results back to userland */
#ifdef _MULTI_DATAMODEL
if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
hermon_flash_ioctl32_t info32;
info32.af_quadlet = ioctl_info.af_quadlet;
info32.af_type = ioctl_info.af_type;
info32.af_sector_num = ioctl_info.af_sector_num;
info32.af_sector = (caddr32_t)(uintptr_t)ioctl_info.af_sector;
info32.af_addr = ioctl_info.af_addr;
if (ddi_copyout(&info32, (void *)arg,
sizeof (hermon_flash_ioctl32_t), mode) != 0) {
mutex_exit(&state->hs_fw_flashlock);
return (EFAULT);
}
} else
#endif /* _MULTI_DATAMODEL */
if (ddi_copyout(&ioctl_info, (void *)arg,
sizeof (hermon_flash_ioctl_t), mode) != 0) {
mutex_exit(&state->hs_fw_flashlock);
return (EFAULT);
}
mutex_exit(&state->hs_fw_flashlock);
return (status);
}
/*
* hermon_ioctl_flash_write()
*/
static int
hermon_ioctl_flash_write(hermon_state_t *state, dev_t dev, intptr_t arg,
int mode)
{
hermon_flash_ioctl_t ioctl_info;
int status = 0;
/*
* Check that flash init ioctl has been called first. And check
* that the same dev_t that called init is the one calling write now.
*/
mutex_enter(&state->hs_fw_flashlock);
if ((state->hs_fw_flashdev != dev) ||
(state->hs_fw_flashstarted == 0)) {
mutex_exit(&state->hs_fw_flashlock);
return (EIO);
}
/* copy user struct to kernel */
#ifdef _MULTI_DATAMODEL
if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
hermon_flash_ioctl32_t info32;
if (ddi_copyin((void *)arg, &info32,
sizeof (hermon_flash_ioctl32_t), mode) != 0) {
mutex_exit(&state->hs_fw_flashlock);
return (EFAULT);
}
ioctl_info.af_type = info32.af_type;
ioctl_info.af_sector = (caddr_t)(uintptr_t)info32.af_sector;
ioctl_info.af_sector_num = info32.af_sector_num;
ioctl_info.af_addr = info32.af_addr;
ioctl_info.af_byte = info32.af_byte;
} else
#endif /* _MULTI_DATAMODEL */
if (ddi_copyin((void *)arg, &ioctl_info,
sizeof (hermon_flash_ioctl_t), mode) != 0) {
mutex_exit(&state->hs_fw_flashlock);
return (EFAULT);
}
/*
* Determine type of WRITE ioctl
*/
switch (ioctl_info.af_type) {
case HERMON_FLASH_WRITE_SECTOR:
/* Check if sector num is too large for flash device */
if (ioctl_info.af_sector_num >=
(state->hs_fw_device_sz >> state->hs_fw_log_sector_sz)) {
mutex_exit(&state->hs_fw_flashlock);
return (EFAULT);
}
/* copy in fw sector image data */
if (ddi_copyin(&ioctl_info.af_sector[0],
&state->hs_fw_sector[0], 1 << state->hs_fw_log_sector_sz,
mode) != 0) {
mutex_exit(&state->hs_fw_flashlock);
return (EFAULT);
}
/* Perform Write Sector */
status = hermon_flash_write_sector(state,
ioctl_info.af_sector_num);
break;
case HERMON_FLASH_WRITE_BYTE:
/* Check if addr is too large for flash device */
if (ioctl_info.af_addr >= state->hs_fw_device_sz) {
mutex_exit(&state->hs_fw_flashlock);
return (EFAULT);
}
/* Perform Write Byte */
/*
* CMJ -- is a reset really needed before and after writing
* each byte? This code came from arbel, but we should look
* into this. Also, for SPI, no reset is actually performed.
*/
if ((status = hermon_flash_bank(state,
ioctl_info.af_addr)) != 0 ||
(status = hermon_flash_reset(state)) != 0 ||
(status = hermon_flash_write_byte(state,
ioctl_info.af_addr, ioctl_info.af_byte)) != 0 ||
(status = hermon_flash_reset(state)) != 0) {
mutex_exit(&state->hs_fw_flashlock);
return (status);
}
break;
default:
status = EINVAL;
break;
}
mutex_exit(&state->hs_fw_flashlock);
return (status);
}
/*
* hermon_ioctl_flash_erase()
*/
static int
hermon_ioctl_flash_erase(hermon_state_t *state, dev_t dev, intptr_t arg,
int mode)
{
hermon_flash_ioctl_t ioctl_info;
int status = 0;
/*
* Check that flash init ioctl has been called first. And check
* that the same dev_t that called init is the one calling erase now.
*/
mutex_enter(&state->hs_fw_flashlock);
if ((state->hs_fw_flashdev != dev) ||
(state->hs_fw_flashstarted == 0)) {
mutex_exit(&state->hs_fw_flashlock);
return (EIO);
}
/* copy user struct to kernel */
#ifdef _MULTI_DATAMODEL
if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
hermon_flash_ioctl32_t info32;
if (ddi_copyin((void *)arg, &info32,
sizeof (hermon_flash_ioctl32_t), mode) != 0) {
mutex_exit(&state->hs_fw_flashlock);
return (EFAULT);
}
ioctl_info.af_type = info32.af_type;
ioctl_info.af_sector_num = info32.af_sector_num;
} else
#endif /* _MULTI_DATAMODEL */
if (ddi_copyin((void *)arg, &ioctl_info, sizeof (hermon_flash_ioctl_t),
mode) != 0) {
mutex_exit(&state->hs_fw_flashlock);
return (EFAULT);
}
/*
* Determine type of ERASE ioctl
*/
switch (ioctl_info.af_type) {
case HERMON_FLASH_ERASE_SECTOR:
/* Check if sector num is too large for flash device */
if (ioctl_info.af_sector_num >=
(state->hs_fw_device_sz >> state->hs_fw_log_sector_sz)) {
mutex_exit(&state->hs_fw_flashlock);
return (EFAULT);
}
/* Perform Sector Erase */
status = hermon_flash_erase_sector(state,
ioctl_info.af_sector_num);
break;
case HERMON_FLASH_ERASE_CHIP:
/* Perform Chip Erase */
status = hermon_flash_erase_chip(state);
break;
default:
status = EINVAL;
break;
}
mutex_exit(&state->hs_fw_flashlock);
return (status);
}
/*
* hermon_ioctl_flash_init()
*/
static int
hermon_ioctl_flash_init(hermon_state_t *state, dev_t dev, intptr_t arg,
int mode)
{
hermon_flash_init_ioctl_t init_info;
int ret;
int intel_xcmd = 0;
ddi_acc_handle_t pci_hdl = hermon_get_pcihdl(state);
/* initialize the FMA retry loop */
hermon_pio_init(fm_loop_cnt, fm_status, fm_test);
state->hs_fw_sector = NULL;
/*
* init cannot be called more than once. If we have already init'd the
* flash, return directly.
*/
mutex_enter(&state->hs_fw_flashlock);
if (state->hs_fw_flashstarted == 1) {
mutex_exit(&state->hs_fw_flashlock);
return (EINVAL);
}
/* copyin the user struct to kernel */
if (ddi_copyin((void *)arg, &init_info,
sizeof (hermon_flash_init_ioctl_t), mode) != 0) {
mutex_exit(&state->hs_fw_flashlock);
return (EFAULT);
}
/* Init Flash */
if ((ret = hermon_flash_init(state)) != 0) {
if (ret == EIO) {
goto pio_error;
}
mutex_exit(&state->hs_fw_flashlock);
return (ret);
}
/* Read CFI info */
if ((ret = hermon_flash_cfi_init(state, &init_info.af_cfi_info[0],
&intel_xcmd)) != 0) {
if (ret == EIO) {
goto pio_error;
}
mutex_exit(&state->hs_fw_flashlock);
return (ret);
}
/*
* Return error if the command set is unknown.
*/
if (state->hs_fw_cmdset == HERMON_FLASH_UNKNOWN_CMDSET) {
if ((ret = hermon_ioctl_flash_cleanup_nolock(state)) != 0) {
if (ret == EIO) {
goto pio_error;
}
mutex_exit(&state->hs_fw_flashlock);
return (ret);
}
mutex_exit(&state->hs_fw_flashlock);
return (EFAULT);
}
/* the FMA retry loop starts. */
hermon_pio_start(state, pci_hdl, pio_error,
fm_loop_cnt, fm_status, fm_test);
/* Read HWREV - least significant 8 bits is revision ID */
init_info.af_hwrev = pci_config_get32(pci_hdl,
HERMON_HW_FLASH_CFG_HWREV) & 0xFF;
/* the FMA retry loop ends. */
hermon_pio_end(state, pci_hdl, pio_error, fm_loop_cnt,
fm_status, fm_test);
/* Fill in the firmwate revision numbers */
init_info.af_fwrev.afi_maj = state->hs_fw.fw_rev_major;
init_info.af_fwrev.afi_min = state->hs_fw.fw_rev_minor;
init_info.af_fwrev.afi_sub = state->hs_fw.fw_rev_subminor;
/* Alloc flash mem for one sector size */
state->hs_fw_sector = (uint32_t *)kmem_zalloc(1 <<
state->hs_fw_log_sector_sz, KM_SLEEP);
/* Set HW part number and length */
init_info.af_pn_len = state->hs_hca_pn_len;
if (state->hs_hca_pn_len != 0) {
(void) memcpy(init_info.af_hwpn, state->hs_hca_pn,
state->hs_hca_pn_len);
}
/* Copy ioctl results back to userland */
if (ddi_copyout(&init_info, (void *)arg,
sizeof (hermon_flash_init_ioctl_t), mode) != 0) {
if ((ret = hermon_ioctl_flash_cleanup_nolock(state)) != 0) {
if (ret == EIO) {
goto pio_error;
}
mutex_exit(&state->hs_fw_flashlock);
return (ret);
}
mutex_exit(&state->hs_fw_flashlock);
return (EFAULT);
}
/* Set flash state to started */
state->hs_fw_flashstarted = 1;
state->hs_fw_flashdev = dev;
mutex_exit(&state->hs_fw_flashlock);
/*
* If "flash init" is successful, add an "on close" callback to the
* current dev node to ensure that "flash fini" gets called later
* even if the userland process prematurely exits.
*/
ret = hermon_umap_db_set_onclose_cb(dev,
HERMON_ONCLOSE_FLASH_INPROGRESS,
(int (*)(void *))hermon_ioctl_flash_cleanup, state);
if (ret != DDI_SUCCESS) {
int status = hermon_ioctl_flash_fini(state, dev);
if (status != 0) {
if (status == EIO) {
hermon_fm_ereport(state, HCA_SYS_ERR,
HCA_ERR_IOCTL);
return (EIO);
}
return (status);
}
}
return (0);
pio_error:
mutex_exit(&state->hs_fw_flashlock);
hermon_fm_ereport(state, HCA_SYS_ERR, HCA_ERR_IOCTL);
return (EIO);
}
/*
* hermon_ioctl_flash_fini()
*/
static int
hermon_ioctl_flash_fini(hermon_state_t *state, dev_t dev)
{
int ret;
/*
* Check that flash init ioctl has been called first. And check
* that the same dev_t that called init is the one calling fini now.
*/
mutex_enter(&state->hs_fw_flashlock);
if ((state->hs_fw_flashdev != dev) ||
(state->hs_fw_flashstarted == 0)) {
mutex_exit(&state->hs_fw_flashlock);
return (EINVAL);
}
if ((ret = hermon_ioctl_flash_cleanup_nolock(state)) != 0) {
mutex_exit(&state->hs_fw_flashlock);
if (ret == EIO) {
hermon_fm_ereport(state, HCA_SYS_ERR, HCA_ERR_IOCTL);
}
return (ret);
}
mutex_exit(&state->hs_fw_flashlock);
/*
* If "flash fini" is successful, remove the "on close" callback
* that was setup during "flash init".
*/
ret = hermon_umap_db_clear_onclose_cb(dev,
HERMON_ONCLOSE_FLASH_INPROGRESS);
if (ret != DDI_SUCCESS) {
return (EFAULT);
}
return (0);
}
/*
* hermon_ioctl_flash_cleanup()
*/
static int
hermon_ioctl_flash_cleanup(hermon_state_t *state)
{
int status;
mutex_enter(&state->hs_fw_flashlock);
status = hermon_ioctl_flash_cleanup_nolock(state);
mutex_exit(&state->hs_fw_flashlock);
return (status);
}
/*
* hermon_ioctl_flash_cleanup_nolock()
*/
static int
hermon_ioctl_flash_cleanup_nolock(hermon_state_t *state)
{
int status;
ASSERT(MUTEX_HELD(&state->hs_fw_flashlock));
/* free flash mem */
if (state->hs_fw_sector) {
kmem_free(state->hs_fw_sector, 1 << state->hs_fw_log_sector_sz);
}
/* Fini the Flash */
if ((status = hermon_flash_fini(state)) != 0)
return (status);
/* Set flash state to fini */
state->hs_fw_flashstarted = 0;
state->hs_fw_flashdev = 0;
return (0);
}
/*
* hermon_ioctl_info()
*/
static int
hermon_ioctl_info(hermon_state_t *state, dev_t dev, intptr_t arg, int mode)
{
hermon_info_ioctl_t info;
hermon_flash_init_ioctl_t init_info;
/*
* Access to Hemron VTS ioctls is not allowed in "maintenance mode".
*/
if (state->hs_operational_mode == HERMON_MAINTENANCE_MODE) {
return (EFAULT);
}
/* copyin the user struct to kernel */
if (ddi_copyin((void *)arg, &info, sizeof (hermon_info_ioctl_t),
mode) != 0) {
return (EFAULT);
}
/*
* Check ioctl revision
*/
if (info.ai_revision != HERMON_VTS_IOCTL_REVISION) {
return (EINVAL);
}
/*
* If the 'fw_device_sz' has not been initialized yet, we initialize it
* here. This is done by leveraging the
* hermon_ioctl_flash_init()/fini() calls. We also hold our own mutex
* around this operation in case we have multiple VTS threads in
* process at the same time.
*/
mutex_enter(&state->hs_info_lock);
if (state->hs_fw_device_sz == 0) {
if (hermon_ioctl_flash_init(state, dev, (intptr_t)&init_info,
(FKIOCTL | mode)) != 0) {
mutex_exit(&state->hs_info_lock);
return (EFAULT);
}
(void) hermon_ioctl_flash_fini(state, dev);
}
mutex_exit(&state->hs_info_lock);
info.ai_hw_rev = state->hs_revision_id;
info.ai_flash_sz = state->hs_fw_device_sz;
info.ai_fw_rev.afi_maj = state->hs_fw.fw_rev_major;
info.ai_fw_rev.afi_min = state->hs_fw.fw_rev_minor;
info.ai_fw_rev.afi_sub = state->hs_fw.fw_rev_subminor;
/* Copy ioctl results back to user struct */
if (ddi_copyout(&info, (void *)arg, sizeof (hermon_info_ioctl_t),
mode) != 0) {
return (EFAULT);
}
return (0);
}
/*
* hermon_ioctl_ports()
*/
static int
hermon_ioctl_ports(hermon_state_t *state, intptr_t arg, int mode)
{
hermon_ports_ioctl_t info;
hermon_stat_port_ioctl_t portstat;
ibt_hca_portinfo_t pi;
uint_t tbl_size;
ib_gid_t *sgid_tbl;
ib_pkey_t *pkey_tbl;
int i;
/*
* Access to Hemron VTS ioctls is not allowed in "maintenance mode".
*/
if (state->hs_operational_mode == HERMON_MAINTENANCE_MODE) {
return (EFAULT);
}
/* copyin the user struct to kernel */
#ifdef _MULTI_DATAMODEL
if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
hermon_ports_ioctl32_t info32;
if (ddi_copyin((void *)arg, &info32,
sizeof (hermon_ports_ioctl32_t), mode) != 0) {
return (EFAULT);
}
info.ap_revision = info32.ap_revision;
info.ap_ports =
(hermon_stat_port_ioctl_t *)(uintptr_t)info32.ap_ports;
info.ap_num_ports = info32.ap_num_ports;
} else
#endif /* _MULTI_DATAMODEL */
if (ddi_copyin((void *)arg, &info, sizeof (hermon_ports_ioctl_t),
mode) != 0) {
return (EFAULT);
}
/*
* Check ioctl revision
*/
if (info.ap_revision != HERMON_VTS_IOCTL_REVISION) {
return (EINVAL);
}
/* Allocate space for temporary GID table/PKey table */
tbl_size = (1 << state->hs_cfg_profile->cp_log_max_gidtbl);
sgid_tbl = (ib_gid_t *)kmem_zalloc(tbl_size * sizeof (ib_gid_t),
KM_SLEEP);
tbl_size = (1 << state->hs_cfg_profile->cp_log_max_pkeytbl);
pkey_tbl = (ib_pkey_t *)kmem_zalloc(tbl_size * sizeof (ib_pkey_t),
KM_SLEEP);
_NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*sgid_tbl, *pkey_tbl))
/*
* Setup the number of ports, then loop through all ports and
* query properties of each.
*/
info.ap_num_ports = (uint8_t)state->hs_cfg_profile->cp_num_ports;
for (i = 0; i < info.ap_num_ports; i++) {
/*
* Get portstate information from the device. If
* hermon_port_query() fails, leave zeroes in user
* struct port entry and continue.
*/
bzero(&pi, sizeof (ibt_hca_portinfo_t));
pi.p_sgid_tbl = sgid_tbl;
pi.p_pkey_tbl = pkey_tbl;
(void) hermon_port_query(state, i + 1, &pi);
portstat.asp_port_num = pi.p_port_num;
portstat.asp_state = pi.p_linkstate;
portstat.asp_guid = pi.p_sgid_tbl[0].gid_guid;
/*
* Copy queried port results back to user struct. If
* this fails, then break out of loop, attempt to copy
* out remaining info to user struct, and return (without
* error).
*/
if (ddi_copyout(&portstat,
&(((hermon_stat_port_ioctl_t *)info.ap_ports)[i]),
sizeof (hermon_stat_port_ioctl_t), mode) != 0) {
break;
}
}
/* Free the temporary space used for GID table/PKey table */
tbl_size = (1 << state->hs_cfg_profile->cp_log_max_gidtbl);
kmem_free(sgid_tbl, tbl_size * sizeof (ib_gid_t));
tbl_size = (1 << state->hs_cfg_profile->cp_log_max_pkeytbl);
kmem_free(pkey_tbl, tbl_size * sizeof (ib_pkey_t));
/* Copy ioctl results back to user struct */
#ifdef _MULTI_DATAMODEL
if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
hermon_ports_ioctl32_t info32;
info32.ap_revision = info.ap_revision;
info32.ap_ports = (caddr32_t)(uintptr_t)info.ap_ports;
info32.ap_num_ports = info.ap_num_ports;
if (ddi_copyout(&info32, (void *)arg,
sizeof (hermon_ports_ioctl32_t), mode) != 0) {
return (EFAULT);
}
} else
#endif /* _MULTI_DATAMODEL */
if (ddi_copyout(&info, (void *)arg, sizeof (hermon_ports_ioctl_t),
mode) != 0) {
return (EFAULT);
}
return (0);
}
/*
* hermon_ioctl_loopback()
*/
static int
hermon_ioctl_loopback(hermon_state_t *state, intptr_t arg, int mode)
{
hermon_loopback_ioctl_t lb;
hermon_loopback_state_t lstate;
ibt_hca_portinfo_t pi;
uint_t tbl_size, loopmax, max_usec;
ib_gid_t *sgid_tbl;
ib_pkey_t *pkey_tbl;
int j, iter, ret;
_NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(lstate))
/*
* Access to Hemron VTS ioctls is not allowed in "maintenance mode".
*/
if (state->hs_operational_mode == HERMON_MAINTENANCE_MODE) {
return (EFAULT);
}
/* copyin the user struct to kernel */
#ifdef _MULTI_DATAMODEL
if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
hermon_loopback_ioctl32_t lb32;
if (ddi_copyin((void *)arg, &lb32,
sizeof (hermon_loopback_ioctl32_t), mode) != 0) {
return (EFAULT);
}
lb.alb_revision = lb32.alb_revision;
lb.alb_send_buf = (caddr_t)(uintptr_t)lb32.alb_send_buf;
lb.alb_fail_buf = (caddr_t)(uintptr_t)lb32.alb_fail_buf;
lb.alb_buf_sz = lb32.alb_buf_sz;
lb.alb_num_iter = lb32.alb_num_iter;
lb.alb_pass_done = lb32.alb_pass_done;
lb.alb_timeout = lb32.alb_timeout;
lb.alb_error_type = lb32.alb_error_type;
lb.alb_port_num = lb32.alb_port_num;
lb.alb_num_retry = lb32.alb_num_retry;
} else
#endif /* _MULTI_DATAMODEL */
if (ddi_copyin((void *)arg, &lb, sizeof (hermon_loopback_ioctl_t),
mode) != 0) {
return (EFAULT);
}
/* Initialize the internal loopback test state structure */
bzero(&lstate, sizeof (hermon_loopback_state_t));
/*
* Check ioctl revision
*/
if (lb.alb_revision != HERMON_VTS_IOCTL_REVISION) {
lb.alb_error_type = HERMON_LOOPBACK_INVALID_REVISION;
(void) hermon_loopback_copyout(&lb, arg, mode);
return (EINVAL);
}
/* Validate that specified port number is legal */
if (!hermon_portnum_is_valid(state, lb.alb_port_num)) {
lb.alb_error_type = HERMON_LOOPBACK_INVALID_PORT;
(void) hermon_loopback_copyout(&lb, arg, mode);
return (EINVAL);
}
/* Allocate space for temporary GID table/PKey table */
tbl_size = (1 << state->hs_cfg_profile->cp_log_max_gidtbl);
sgid_tbl = (ib_gid_t *)kmem_zalloc(tbl_size * sizeof (ib_gid_t),
KM_SLEEP);
tbl_size = (1 << state->hs_cfg_profile->cp_log_max_pkeytbl);
pkey_tbl = (ib_pkey_t *)kmem_zalloc(tbl_size * sizeof (ib_pkey_t),
KM_SLEEP);
/*
* Get portstate information from specific port on device
*/
bzero(&pi, sizeof (ibt_hca_portinfo_t));
pi.p_sgid_tbl = sgid_tbl;
pi.p_pkey_tbl = pkey_tbl;
if (hermon_port_query(state, lb.alb_port_num, &pi) != 0) {
/* Free the temporary space used for GID table/PKey table */
tbl_size = (1 << state->hs_cfg_profile->cp_log_max_gidtbl);
kmem_free(sgid_tbl, tbl_size * sizeof (ib_gid_t));
tbl_size = (1 << state->hs_cfg_profile->cp_log_max_pkeytbl);
kmem_free(pkey_tbl, tbl_size * sizeof (ib_pkey_t));
lb.alb_error_type = HERMON_LOOPBACK_INVALID_PORT;
(void) hermon_loopback_copyout(&lb, arg, mode);
hermon_loopback_free_state(&lstate);
return (EINVAL);
}
lstate.hls_port = pi.p_port_num;
lstate.hls_lid = pi.p_base_lid;
lstate.hls_pkey_ix = (pi.p_linkstate == HERMON_PORT_LINK_ACTIVE) ?
1 : 0; /* XXX bogus assumption of a SUN subnet manager */
lstate.hls_state = state;
lstate.hls_retry = lb.alb_num_retry;
/* Free the temporary space used for GID table/PKey table */
tbl_size = (1 << state->hs_cfg_profile->cp_log_max_gidtbl);
kmem_free(sgid_tbl, tbl_size * sizeof (ib_gid_t));
tbl_size = (1 << state->hs_cfg_profile->cp_log_max_pkeytbl);
kmem_free(pkey_tbl, tbl_size * sizeof (ib_pkey_t));
/*
* Compute the timeout duration in usec per the formula:
* to_usec_per_retry = 4.096us * (2 ^ supplied_timeout)
* (plus we add a little fudge-factor here too)
*/
lstate.hls_timeout = lb.alb_timeout;
max_usec = (4096 * (1 << lstate.hls_timeout)) / 1000;
max_usec = max_usec * (lstate.hls_retry + 1);
max_usec = max_usec + 10000;
/*
* Determine how many times we should loop before declaring a
* timeout failure.
*/
loopmax = max_usec/HERMON_VTS_LOOPBACK_MIN_WAIT_DUR;
if ((max_usec % HERMON_VTS_LOOPBACK_MIN_WAIT_DUR) != 0) {
loopmax++;
}
if (lb.alb_send_buf == NULL || lb.alb_buf_sz == 0) {
lb.alb_error_type = HERMON_LOOPBACK_SEND_BUF_INVALID;
(void) hermon_loopback_copyout(&lb, arg, mode);
hermon_loopback_free_state(&lstate);
return (EINVAL);
}
/* Allocate protection domain (PD) */
if (hermon_loopback_init(state, &lstate) != 0) {
lb.alb_error_type = lstate.hls_err;
(void) hermon_loopback_copyout(&lb, arg, mode);
hermon_loopback_free_state(&lstate);
return (EFAULT);
}
/* Allocate and register a TX buffer */
if (hermon_loopback_alloc_mem(&lstate, &lstate.hls_tx,
lb.alb_buf_sz) != 0) {
lb.alb_error_type =
HERMON_LOOPBACK_SEND_BUF_MEM_REGION_ALLOC_FAIL;
(void) hermon_loopback_copyout(&lb, arg, mode);
hermon_loopback_free_state(&lstate);
return (EFAULT);
}
/* Allocate and register an RX buffer */
if (hermon_loopback_alloc_mem(&lstate, &lstate.hls_rx,
lb.alb_buf_sz) != 0) {
lb.alb_error_type =
HERMON_LOOPBACK_RECV_BUF_MEM_REGION_ALLOC_FAIL;
(void) hermon_loopback_copyout(&lb, arg, mode);
hermon_loopback_free_state(&lstate);
return (EFAULT);
}
/* Copy in the transmit buffer data */
if (ddi_copyin((void *)lb.alb_send_buf, lstate.hls_tx.hlc_buf,
lb.alb_buf_sz, mode) != 0) {
lb.alb_error_type = HERMON_LOOPBACK_SEND_BUF_COPY_FAIL;
(void) hermon_loopback_copyout(&lb, arg, mode);
hermon_loopback_free_state(&lstate);
return (EFAULT);
}
/* Allocate the transmit QP and CQs */
lstate.hls_err = HERMON_LOOPBACK_XMIT_SEND_CQ_ALLOC_FAIL;
if (hermon_loopback_alloc_qps(&lstate, &lstate.hls_tx) != 0) {
lb.alb_error_type = lstate.hls_err;
(void) hermon_loopback_copyout(&lb, arg, mode);
hermon_loopback_free_state(&lstate);
return (EFAULT);
}
/* Allocate the receive QP and CQs */
lstate.hls_err = HERMON_LOOPBACK_RECV_SEND_CQ_ALLOC_FAIL;
if (hermon_loopback_alloc_qps(&lstate, &lstate.hls_rx) != 0) {
lb.alb_error_type = lstate.hls_err;
(void) hermon_loopback_copyout(&lb, arg, mode);
hermon_loopback_free_state(&lstate);
return (EFAULT);
}
/* Activate the TX QP (connect to RX QP) */
lstate.hls_err = HERMON_LOOPBACK_XMIT_QP_INIT_FAIL;
if (hermon_loopback_modify_qp(&lstate, &lstate.hls_tx,
lstate.hls_rx.hlc_qp_num) != 0) {
lb.alb_error_type = lstate.hls_err;
(void) hermon_loopback_copyout(&lb, arg, mode);
hermon_loopback_free_state(&lstate);
return (EFAULT);
}
/* Activate the RX QP (connect to TX QP) */
lstate.hls_err = HERMON_LOOPBACK_RECV_QP_INIT_FAIL;
if (hermon_loopback_modify_qp(&lstate, &lstate.hls_rx,
lstate.hls_tx.hlc_qp_num) != 0) {
lb.alb_error_type = lstate.hls_err;
(void) hermon_loopback_copyout(&lb, arg, mode);
hermon_loopback_free_state(&lstate);
return (EFAULT);
}
/* Run the loopback test (for specified number of iterations) */
lb.alb_pass_done = 0;
for (iter = 0; iter < lb.alb_num_iter; iter++) {
lstate.hls_err = 0;
bzero(lstate.hls_rx.hlc_buf, lb.alb_buf_sz);
/* Post RDMA Write work request */
if (hermon_loopback_post_send(&lstate, &lstate.hls_tx,
&lstate.hls_rx) != IBT_SUCCESS) {
lb.alb_error_type = HERMON_LOOPBACK_WQE_POST_FAIL;
(void) hermon_loopback_copyout(&lb, arg, mode);
hermon_loopback_free_state(&lstate);
return (EFAULT);
}
/* Poll the TX CQ for a completion every few ticks */
for (j = 0; j < loopmax; j++) {
delay(drv_usectohz(HERMON_VTS_LOOPBACK_MIN_WAIT_DUR));
ret = hermon_loopback_poll_cq(&lstate, &lstate.hls_tx);
if (((ret != IBT_SUCCESS) && (ret != IBT_CQ_EMPTY)) ||
((ret == IBT_CQ_EMPTY) && (j == loopmax - 1))) {
lb.alb_error_type =
HERMON_LOOPBACK_CQ_POLL_FAIL;
if (ddi_copyout(lstate.hls_rx.hlc_buf,
lb.alb_fail_buf, lstate.hls_tx.hlc_buf_sz,
mode) != 0) {
return (EFAULT);
}
(void) hermon_loopback_copyout(&lb, arg, mode);
hermon_loopback_free_state(&lstate);
return (EFAULT);
} else if (ret == IBT_CQ_EMPTY) {
continue;
}
/* Compare the data buffers */
if (bcmp(lstate.hls_tx.hlc_buf, lstate.hls_rx.hlc_buf,
lb.alb_buf_sz) == 0) {
break;
} else {
lb.alb_error_type =
HERMON_LOOPBACK_SEND_RECV_COMPARE_FAIL;
if (ddi_copyout(lstate.hls_rx.hlc_buf,
lb.alb_fail_buf, lstate.hls_tx.hlc_buf_sz,
mode) != 0) {
return (EFAULT);
}
(void) hermon_loopback_copyout(&lb, arg, mode);
hermon_loopback_free_state(&lstate);
return (EFAULT);
}
}
lstate.hls_err = HERMON_LOOPBACK_SUCCESS;
lb.alb_pass_done = iter + 1;
}
lb.alb_error_type = HERMON_LOOPBACK_SUCCESS;
/* Copy ioctl results back to user struct */
ret = hermon_loopback_copyout(&lb, arg, mode);
/* Free up everything and release all consumed resources */
hermon_loopback_free_state(&lstate);
return (ret);
}
#ifdef DEBUG
/*
* hermon_ioctl_reg_read()
*/
static int
hermon_ioctl_reg_read(hermon_state_t *state, intptr_t arg, int mode)
{
hermon_reg_ioctl_t rdreg;
uint32_t *addr;
uintptr_t baseaddr;
int status;
ddi_acc_handle_t handle;
/* initialize the FMA retry loop */
hermon_pio_init(fm_loop_cnt, fm_status, fm_test);
/*
* Access to Hemron registers is not allowed in "maintenance mode".
* This is primarily because the device may not have BARs to access
*/
if (state->hs_operational_mode == HERMON_MAINTENANCE_MODE) {
return (EFAULT);
}
/* Copy in the hermon_reg_ioctl_t structure */
status = ddi_copyin((void *)arg, &rdreg, sizeof (hermon_reg_ioctl_t),
mode);
if (status != 0) {
return (EFAULT);
}
/* Determine base address for requested register set */
switch (rdreg.arg_reg_set) {
case HERMON_CMD_BAR:
baseaddr = (uintptr_t)state->hs_reg_cmd_baseaddr;
handle = hermon_get_cmdhdl(state);
break;
case HERMON_UAR_BAR:
baseaddr = (uintptr_t)state->hs_reg_uar_baseaddr;
handle = hermon_get_uarhdl(state);
break;
default:
return (EINVAL);
}
/* Ensure that address is properly-aligned */
addr = (uint32_t *)((baseaddr + rdreg.arg_offset) & ~0x3);
/* the FMA retry loop starts. */
hermon_pio_start(state, handle, pio_error, fm_loop_cnt,
fm_status, fm_test);
/* Read the register pointed to by addr */
rdreg.arg_data = ddi_get32(handle, addr);
/* the FMA retry loop ends. */
hermon_pio_end(state, handle, pio_error, fm_loop_cnt, fm_status,
fm_test);
/* Copy in the result into the hermon_reg_ioctl_t structure */
status = ddi_copyout(&rdreg, (void *)arg, sizeof (hermon_reg_ioctl_t),
mode);
if (status != 0) {
return (EFAULT);
}
return (0);
pio_error:
hermon_fm_ereport(state, HCA_SYS_ERR, HCA_ERR_IOCTL);
return (EIO);
}
/*
* hermon_ioctl_reg_write()
*/
static int
hermon_ioctl_reg_write(hermon_state_t *state, intptr_t arg, int mode)
{
hermon_reg_ioctl_t wrreg;
uint32_t *addr;
uintptr_t baseaddr;
int status;
ddi_acc_handle_t handle;
/* initialize the FMA retry loop */
hermon_pio_init(fm_loop_cnt, fm_status, fm_test);
/*
* Access to Hermon registers is not allowed in "maintenance mode".
* This is primarily because the device may not have BARs to access
*/
if (state->hs_operational_mode == HERMON_MAINTENANCE_MODE) {
return (EFAULT);
}
/* Copy in the hermon_reg_ioctl_t structure */
status = ddi_copyin((void *)arg, &wrreg, sizeof (hermon_reg_ioctl_t),
mode);
if (status != 0) {
return (EFAULT);
}
/* Determine base address for requested register set */
switch (wrreg.arg_reg_set) {
case HERMON_CMD_BAR:
baseaddr = (uintptr_t)state->hs_reg_cmd_baseaddr;
handle = hermon_get_cmdhdl(state);
break;
case HERMON_UAR_BAR:
baseaddr = (uintptr_t)state->hs_reg_uar_baseaddr;
handle = hermon_get_uarhdl(state);
break;
default:
return (EINVAL);
}
/* Ensure that address is properly-aligned */
addr = (uint32_t *)((baseaddr + wrreg.arg_offset) & ~0x3);
/* the FMA retry loop starts. */
hermon_pio_start(state, handle, pio_error, fm_loop_cnt,
fm_status, fm_test);
/* Write the data to the register pointed to by addr */
ddi_put32(handle, addr, wrreg.arg_data);
/* the FMA retry loop ends. */
hermon_pio_end(state, handle, pio_error, fm_loop_cnt, fm_status,
fm_test);
return (0);
pio_error:
hermon_fm_ereport(state, HCA_SYS_ERR, HCA_ERR_IOCTL);
return (EIO);
}
#endif /* DEBUG */
static int
hermon_ioctl_write_boot_addr(hermon_state_t *state, dev_t dev, intptr_t arg,
int mode)
{
hermon_flash_ioctl_t ioctl_info;
/* initialize the FMA retry loop */
hermon_pio_init(fm_loop_cnt, fm_status, fm_test);
/*
* Check that flash init ioctl has been called first. And check
* that the same dev_t that called init is the one calling write now.
*/
mutex_enter(&state->hs_fw_flashlock);
if ((state->hs_fw_flashdev != dev) ||
(state->hs_fw_flashstarted == 0)) {
mutex_exit(&state->hs_fw_flashlock);
return (EIO);
}
/* copy user struct to kernel */
#ifdef _MULTI_DATAMODEL
if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
hermon_flash_ioctl32_t info32;
if (ddi_copyin((void *)arg, &info32,
sizeof (hermon_flash_ioctl32_t), mode) != 0) {
mutex_exit(&state->hs_fw_flashlock);
return (EFAULT);
}
ioctl_info.af_type = info32.af_type;
ioctl_info.af_sector = (caddr_t)(uintptr_t)info32.af_sector;
ioctl_info.af_sector_num = info32.af_sector_num;
ioctl_info.af_addr = info32.af_addr;
ioctl_info.af_byte = info32.af_byte;
} else
#endif /* _MULTI_DATAMODEL */
if (ddi_copyin((void *)arg, &ioctl_info,
sizeof (hermon_flash_ioctl_t), mode) != 0) {
mutex_exit(&state->hs_fw_flashlock);
return (EFAULT);
}
switch (state->hs_fw_cmdset) {
case HERMON_FLASH_AMD_CMDSET:
case HERMON_FLASH_INTEL_CMDSET:
break;
case HERMON_FLASH_SPI_CMDSET:
{
ddi_acc_handle_t pci_hdl = hermon_get_pcihdl(state);
/* the FMA retry loop starts. */
hermon_pio_start(state, pci_hdl, pio_error,
fm_loop_cnt, fm_status, fm_test);
hermon_flash_write_cfg(state, pci_hdl,
HERMON_HW_FLASH_SPI_BOOT_ADDR_REG,
(ioctl_info.af_addr << 8) | 0x06);
/* the FMA retry loop ends. */
hermon_pio_end(state, pci_hdl, pio_error,
fm_loop_cnt, fm_status, fm_test);
break;
}
case HERMON_FLASH_UNKNOWN_CMDSET:
default:
mutex_exit(&state->hs_fw_flashlock);
return (EINVAL);
}
mutex_exit(&state->hs_fw_flashlock);
return (0);
pio_error:
mutex_exit(&state->hs_fw_flashlock);
hermon_fm_ereport(state, HCA_SYS_ERR, HCA_ERR_IOCTL);
return (EIO);
}
/*
* hermon_flash_reset()
*/
static int
hermon_flash_reset(hermon_state_t *state)
{
int status;
/*
* Performs a reset to the flash device. After a reset the flash will
* be operating in normal mode (capable of read/write, etc.).
*/
switch (state->hs_fw_cmdset) {
case HERMON_FLASH_AMD_CMDSET:
hermon_flash_write(state, 0x555, HERMON_HW_FLASH_RESET_AMD,
&status);
if (status != 0) {
return (status);
}
break;
case HERMON_FLASH_INTEL_CMDSET:
hermon_flash_write(state, 0x555, HERMON_HW_FLASH_RESET_INTEL,
&status);
if (status != 0) {
return (status);
}
break;
/* It appears no reset is needed for SPI */
case HERMON_FLASH_SPI_CMDSET:
status = 0;
break;
case HERMON_FLASH_UNKNOWN_CMDSET:
default:
status = EINVAL;
break;
}
return (status);
}
/*
* hermon_flash_read_sector()
*/
static int
hermon_flash_read_sector(hermon_state_t *state, uint32_t sector_num)
{
uint32_t addr;
uint32_t end_addr;
uint32_t *image;
int i, status;
image = (uint32_t *)&state->hs_fw_sector[0];
/*
* Calculate the start and end address of the sector, based on the
* sector number passed in.
*/
addr = sector_num << state->hs_fw_log_sector_sz;
end_addr = addr + (1 << state->hs_fw_log_sector_sz);
/* Set the flash bank correctly for the given address */
if ((status = hermon_flash_bank(state, addr)) != 0)
return (status);
/* Read the entire sector, one quadlet at a time */
for (i = 0; addr < end_addr; i++, addr += 4) {
image[i] = hermon_flash_read(state, addr, &status);
if (status != 0) {
return (status);
}
}
return (0);
}
/*
* hermon_flash_read_quadlet()
*/
static int
hermon_flash_read_quadlet(hermon_state_t *state, uint32_t *data,
uint32_t addr)
{
int status;
/* Set the flash bank correctly for the given address */
if ((status = hermon_flash_bank(state, addr)) != 0) {
return (status);
}
/* Read one quadlet of data */
*data = hermon_flash_read(state, addr, &status);
if (status != 0) {
return (EIO);
}
return (0);
}
/*
* hermon_flash_write_sector()
*/
static int
hermon_flash_write_sector(hermon_state_t *state, uint32_t sector_num)
{
uint32_t addr;
uint32_t end_addr;
uint32_t *databuf;
uchar_t *sector;
int status = 0;
int i;
sector = (uchar_t *)&state->hs_fw_sector[0];
/*
* Calculate the start and end address of the sector, based on the
* sector number passed in.
*/
addr = sector_num << state->hs_fw_log_sector_sz;
end_addr = addr + (1 << state->hs_fw_log_sector_sz);
/* Set the flash bank correctly for the given address */
if ((status = hermon_flash_bank(state, addr)) != 0 ||
(status = hermon_flash_reset(state)) != 0) {
return (status);
}
/* Erase the sector before writing */
status = hermon_flash_erase_sector(state, sector_num);
if (status != 0) {
return (status);
}
switch (state->hs_fw_cmdset) {
case HERMON_FLASH_SPI_CMDSET:
databuf = (uint32_t *)(void *)sector;
/* Write the sector, one dword at a time */
for (i = 0; addr < end_addr; i++, addr += 4) {
if ((status = hermon_flash_spi_write_dword(state, addr,
htonl(databuf[i]))) != 0) {
return (status);
}
}
status = hermon_flash_reset(state);
break;
case HERMON_FLASH_INTEL_CMDSET:
case HERMON_FLASH_AMD_CMDSET:
/* Write the sector, one byte at a time */
for (i = 0; addr < end_addr; i++, addr++) {
status = hermon_flash_write_byte(state, addr,
sector[i]);
if (status != 0) {
break;
}
}
status = hermon_flash_reset(state);
break;
case HERMON_FLASH_UNKNOWN_CMDSET:
default:
status = EINVAL;
break;
}
return (status);
}
/*
* hermon_flash_spi_write_dword()
*
* NOTE: This function assumes that "data" is in network byte order.
*
*/
static int
hermon_flash_spi_write_dword(hermon_state_t *state, uint32_t addr,
uint32_t data)
{
int status;
ddi_acc_handle_t hdl;
/* initialize the FMA retry loop */
hermon_pio_init(fm_loop_cnt, fm_status, fm_test);
hdl = hermon_get_pcihdl(state);
/* the FMA retry loop starts. */
hermon_pio_start(state, hdl, pio_error, fm_loop_cnt, fm_status,
fm_test);
/* Issue Write Enable */
hermon_flash_spi_write_enable(state);
/* Set the Address */
hermon_flash_write_cfg(state, hdl, HERMON_HW_FLASH_SPI_ADDR,
addr & HERMON_HW_FLASH_SPI_ADDR_MASK);
/* Set the Data */
hermon_flash_write_cfg(state, hdl, HERMON_HW_FLASH_SPI_DATA, data);
/* Set the Page Program and execute */
hermon_flash_spi_exec_command(state, hdl,
HERMON_HW_FLASH_SPI_INSTR_PHASE_OFF |
HERMON_HW_FLASH_SPI_ADDR_PHASE_OFF |
HERMON_HW_FLASH_SPI_DATA_PHASE_OFF |
HERMON_HW_FLASH_SPI_TRANS_SZ_4B |
(HERMON_HW_FLASH_SPI_PAGE_PROGRAM <<
HERMON_HW_FLASH_SPI_INSTR_SHIFT));
/* Wait for write to complete */
if ((status = hermon_flash_spi_wait_wip(state)) != 0) {
return (status);
}
/* the FMA retry loop ends. */
hermon_pio_end(state, hdl, pio_error, fm_loop_cnt, fm_status, fm_test);
return (0);
pio_error:
hermon_fm_ereport(state, HCA_SYS_ERR, HCA_ERR_IOCTL);
return (EIO);
}
/*
* hermon_flash_write_byte()
*/
static int
hermon_flash_write_byte(hermon_state_t *state, uint32_t addr, uchar_t data)
{
uint32_t stat;
int status = 0;
int dword_addr;
int byte_offset;
int i;
union {
uint8_t bytes[4];
uint32_t dword;
} dword;
switch (state->hs_fw_cmdset) {
case HERMON_FLASH_AMD_CMDSET:
/* Issue Flash Byte program command */
hermon_flash_write(state, addr, 0xAA, &status);
if (status != 0) {
return (status);
}
hermon_flash_write(state, addr, 0x55, &status);
if (status != 0) {
return (status);
}
hermon_flash_write(state, addr, 0xA0, &status);
if (status != 0) {
return (status);
}
hermon_flash_write(state, addr, data, &status);
if (status != 0) {
return (status);
}
/* Wait for Write Byte to Complete */
i = 0;
do {
drv_usecwait(1);
stat = hermon_flash_read(state, addr & ~3, &status);
if (status != 0) {
return (status);
}
if (i == hermon_hw_flash_timeout_write) {
cmn_err(CE_WARN,
"hermon_flash_write_byte: ACS write "
"timeout: addr: 0x%x, data: 0x%x\n",
addr, data);
hermon_fm_ereport(state, HCA_SYS_ERR,
HCA_ERR_IOCTL);
return (EIO);
}
i++;
} while (data != ((stat >> ((3 - (addr & 3)) << 3)) & 0xFF));
break;
case HERMON_FLASH_INTEL_CMDSET:
/* Issue Flash Byte program command */
hermon_flash_write(state, addr, HERMON_HW_FLASH_ICS_WRITE,
&status);
if (status != 0) {
return (status);
}
hermon_flash_write(state, addr, data, &status);
if (status != 0) {
return (status);
}
/* Wait for Write Byte to Complete */
i = 0;
do {
drv_usecwait(1);
stat = hermon_flash_read(state, addr & ~3, &status);
if (status != 0) {
return (status);
}
if (i == hermon_hw_flash_timeout_write) {
cmn_err(CE_WARN,
"hermon_flash_write_byte: ICS write "
"timeout: addr: %x, data: %x\n",
addr, data);
hermon_fm_ereport(state, HCA_SYS_ERR,
HCA_ERR_IOCTL);
return (EIO);
}
i++;
} while ((stat & HERMON_HW_FLASH_ICS_READY) == 0);
if (stat & HERMON_HW_FLASH_ICS_ERROR) {
cmn_err(CE_WARN,
"hermon_flash_write_byte: ICS write cmd error: "
"addr: %x, data: %x\n",
addr, data);
hermon_fm_ereport(state, HCA_SYS_ERR, HCA_ERR_IOCTL);
return (EIO);
}
break;
case HERMON_FLASH_SPI_CMDSET:
/*
* Our lowest write granularity on SPI is a dword.
* To support this ioctl option, we can read in the
* dword that contains this byte, modify this byte,
* and write the dword back out.
*/
/* Determine dword offset and byte offset within the dword */
byte_offset = addr & 3;
dword_addr = addr - byte_offset;
#ifdef _LITTLE_ENDIAN
byte_offset = 3 - byte_offset;
#endif
/* Read in dword */
if ((status = hermon_flash_read_quadlet(state, &dword.dword,
dword_addr)) != 0)
break;
/* Set "data" to the appopriate byte */
dword.bytes[byte_offset] = data;
/* Write modified dword back out */
status = hermon_flash_spi_write_dword(state, dword_addr,
dword.dword);
break;
case HERMON_FLASH_UNKNOWN_CMDSET:
default:
cmn_err(CE_WARN,
"hermon_flash_write_byte: unknown cmd set: 0x%x\n",
state->hs_fw_cmdset);
status = EINVAL;
break;
}
return (status);
}
/*
* hermon_flash_erase_sector()
*/
static int
hermon_flash_erase_sector(hermon_state_t *state, uint32_t sector_num)
{
ddi_acc_handle_t hdl;
uint32_t addr;
uint32_t stat;
int status = 0;
int i;
/* initialize the FMA retry loop */
hermon_pio_init(fm_loop_cnt, fm_status, fm_test);
/* Get address from sector num */
addr = sector_num << state->hs_fw_log_sector_sz;
switch (state->hs_fw_cmdset) {
case HERMON_FLASH_AMD_CMDSET:
/* Issue Flash Sector Erase Command */
hermon_flash_write(state, addr, 0xAA, &status);
if (status != 0) {
return (status);
}
hermon_flash_write(state, addr, 0x55, &status);
if (status != 0) {
return (status);
}
hermon_flash_write(state, addr, 0x80, &status);
if (status != 0) {
return (status);
}
hermon_flash_write(state, addr, 0xAA, &status);
if (status != 0) {
return (status);
}
hermon_flash_write(state, addr, 0x55, &status);
if (status != 0) {
return (status);
}
hermon_flash_write(state, addr, 0x30, &status);
if (status != 0) {
return (status);
}
/* Wait for Sector Erase to complete */
i = 0;
do {
drv_usecwait(1);
stat = hermon_flash_read(state, addr, &status);
if (status != 0) {
return (status);
}
if (i == hermon_hw_flash_timeout_erase) {
cmn_err(CE_WARN,
"hermon_flash_erase_sector: "
"ACS erase timeout\n");
hermon_fm_ereport(state, HCA_SYS_ERR,
HCA_ERR_IOCTL);
return (EIO);
}
i++;
} while (stat != 0xFFFFFFFF);
break;
case HERMON_FLASH_INTEL_CMDSET:
/* Issue Flash Sector Erase Command */
hermon_flash_write(state, addr, HERMON_HW_FLASH_ICS_ERASE,
&status);
if (status != 0) {
return (status);
}
hermon_flash_write(state, addr, HERMON_HW_FLASH_ICS_CONFIRM,
&status);
if (status != 0) {
return (status);
}
/* Wait for Sector Erase to complete */
i = 0;
do {
drv_usecwait(1);
stat = hermon_flash_read(state, addr & ~3, &status);
if (status != 0) {
return (status);
}
if (i == hermon_hw_flash_timeout_erase) {
cmn_err(CE_WARN,
"hermon_flash_erase_sector: "
"ICS erase timeout\n");
hermon_fm_ereport(state, HCA_SYS_ERR,
HCA_ERR_IOCTL);
return (EIO);
}
i++;
} while ((stat & HERMON_HW_FLASH_ICS_READY) == 0);
if (stat & HERMON_HW_FLASH_ICS_ERROR) {
cmn_err(CE_WARN,
"hermon_flash_erase_sector: "
"ICS erase cmd error\n");
hermon_fm_ereport(state, HCA_SYS_ERR,
HCA_ERR_IOCTL);
return (EIO);
}
break;
case HERMON_FLASH_SPI_CMDSET:
hdl = hermon_get_pcihdl(state);
/* the FMA retry loop starts. */
hermon_pio_start(state, hdl, pio_error, fm_loop_cnt, fm_status,
fm_test);
/* Issue Write Enable */
hermon_flash_spi_write_enable(state);
/* Set the Address */
hermon_flash_write_cfg(state, hdl, HERMON_HW_FLASH_SPI_ADDR,
addr & HERMON_HW_FLASH_SPI_ADDR_MASK);
/* Issue Flash Sector Erase */
hermon_flash_spi_exec_command(state, hdl,
HERMON_HW_FLASH_SPI_INSTR_PHASE_OFF |
HERMON_HW_FLASH_SPI_ADDR_PHASE_OFF |
((uint32_t)(HERMON_HW_FLASH_SPI_SECTOR_ERASE) <<
HERMON_HW_FLASH_SPI_INSTR_SHIFT));
/* the FMA retry loop ends. */
hermon_pio_end(state, hdl, pio_error, fm_loop_cnt, fm_status,
fm_test);
/* Wait for Sector Erase to complete */
status = hermon_flash_spi_wait_wip(state);
break;
case HERMON_FLASH_UNKNOWN_CMDSET:
default:
cmn_err(CE_WARN,
"hermon_flash_erase_sector: unknown cmd set: 0x%x\n",
state->hs_fw_cmdset);
status = EINVAL;
break;
}
/* Reset the flash device */
if (status == 0) {
status = hermon_flash_reset(state);
}
return (status);
pio_error:
hermon_fm_ereport(state, HCA_SYS_ERR, HCA_ERR_IOCTL);
return (EIO);
}
/*
* hermon_flash_erase_chip()
*/
static int
hermon_flash_erase_chip(hermon_state_t *state)
{
uint32_t stat;
uint_t size;
int status = 0;
int i;
int num_sect;
switch (state->hs_fw_cmdset) {
case HERMON_FLASH_AMD_CMDSET:
/* Issue Flash Chip Erase Command */
hermon_flash_write(state, 0, 0xAA, &status);
if (status != 0) {
return (status);
}
hermon_flash_write(state, 0, 0x55, &status);
if (status != 0) {
return (status);
}
hermon_flash_write(state, 0, 0x80, &status);
if (status != 0) {
return (status);
}
hermon_flash_write(state, 0, 0xAA, &status);
if (status != 0) {
return (status);
}
hermon_flash_write(state, 0, 0x55, &status);
if (status != 0) {
return (status);
}
hermon_flash_write(state, 0, 0x10, &status);
if (status != 0) {
return (status);
}
/* Wait for Chip Erase to Complete */
i = 0;
do {
drv_usecwait(1);
stat = hermon_flash_read(state, 0, &status);
if (status != 0) {
return (status);
}
if (i == hermon_hw_flash_timeout_erase) {
cmn_err(CE_WARN,
"hermon_flash_erase_chip: erase timeout\n");
hermon_fm_ereport(state, HCA_SYS_ERR,
HCA_ERR_IOCTL);
return (EIO);
}
i++;
} while (stat != 0xFFFFFFFF);
break;
case HERMON_FLASH_INTEL_CMDSET:
case HERMON_FLASH_SPI_CMDSET:
/*
* These chips don't have a chip erase command, so erase
* all blocks one at a time.
*/
size = (0x1 << state->hs_fw_log_sector_sz);
num_sect = state->hs_fw_device_sz / size;
for (i = 0; i < num_sect; i++) {
status = hermon_flash_erase_sector(state, i);
if (status != 0) {
cmn_err(CE_WARN,
"hermon_flash_erase_chip: "
"sector %d erase error\n", i);
return (status);
}
}
break;
case HERMON_FLASH_UNKNOWN_CMDSET:
default:
cmn_err(CE_WARN, "hermon_flash_erase_chip: "
"unknown cmd set: 0x%x\n", state->hs_fw_cmdset);
status = EINVAL;
break;
}
return (status);
}
/*
* hermon_flash_spi_write_enable()
*/
static void
hermon_flash_spi_write_enable(hermon_state_t *state)
{
ddi_acc_handle_t hdl;
hdl = hermon_get_pcihdl(state);
hermon_flash_spi_exec_command(state, hdl,
HERMON_HW_FLASH_SPI_INSTR_PHASE_OFF |
(HERMON_HW_FLASH_SPI_WRITE_ENABLE <<
HERMON_HW_FLASH_SPI_INSTR_SHIFT));
}
/*
* hermon_flash_spi_wait_wip()
*/
static int
hermon_flash_spi_wait_wip(hermon_state_t *state)
{
ddi_acc_handle_t hdl;
uint32_t status;
/* initialize the FMA retry loop */
hermon_pio_init(fm_loop_cnt, fm_status, fm_test);
hdl = hermon_get_pcihdl(state);
/* the FMA retry loop starts. */
hermon_pio_start(state, hdl, pio_error, fm_loop_cnt, fm_status,
fm_test);
/* wait on the gateway to clear busy */
do {
status = hermon_flash_read_cfg(state, hdl,
HERMON_HW_FLASH_SPI_GW);
} while (status & HERMON_HW_FLASH_SPI_BUSY);
/* now, get the status and check for WIP to clear */
do {
hermon_flash_spi_exec_command(state, hdl,
HERMON_HW_FLASH_SPI_READ_OP |
HERMON_HW_FLASH_SPI_INSTR_PHASE_OFF |
HERMON_HW_FLASH_SPI_DATA_PHASE_OFF |
HERMON_HW_FLASH_SPI_TRANS_SZ_4B |
(HERMON_HW_FLASH_SPI_READ_STATUS_REG <<
HERMON_HW_FLASH_SPI_INSTR_SHIFT));
status = hermon_flash_read_cfg(state, hdl,
HERMON_HW_FLASH_SPI_DATA);
} while (status & HERMON_HW_FLASH_SPI_WIP);
/* the FMA retry loop ends. */
hermon_pio_end(state, hdl, pio_error, fm_loop_cnt, fm_status, fm_test);
return (0);
pio_error:
hermon_fm_ereport(state, HCA_SYS_ERR, HCA_ERR_IOCTL);
return (EIO);
}
/*
* hermon_flash_bank()
*/
static int
hermon_flash_bank(hermon_state_t *state, uint32_t addr)
{
ddi_acc_handle_t hdl;
uint32_t bank;
/* initialize the FMA retry loop */
hermon_pio_init(fm_loop_cnt, fm_status, fm_test);
/* Set handle */
hdl = hermon_get_pcihdl(state);
/* Determine the bank setting from the address */
bank = addr & HERMON_HW_FLASH_BANK_MASK;
_NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(state->hs_fw_flashbank))
/*
* If the bank is different from the currently set bank, we need to
* change it. Also, if an 'addr' of 0 is given, this allows the
* capability to force the flash bank to 0. This is useful at init
* time to initially set the bank value
*/
if (state->hs_fw_flashbank != bank || addr == 0) {
switch (state->hs_fw_cmdset) {
case HERMON_FLASH_SPI_CMDSET:
/* CMJ: not needed for hermon */
break;
case HERMON_FLASH_INTEL_CMDSET:
case HERMON_FLASH_AMD_CMDSET:
/* the FMA retry loop starts. */
hermon_pio_start(state, hdl, pio_error, fm_loop_cnt,
fm_status, fm_test);
hermon_flash_write_cfg(state, hdl,
HERMON_HW_FLASH_GPIO_DATACLEAR, 0x70);
hermon_flash_write_cfg(state, hdl,
HERMON_HW_FLASH_GPIO_DATASET, (bank >> 15) & 0x70);
/* the FMA retry loop ends. */
hermon_pio_end(state, hdl, pio_error, fm_loop_cnt,
fm_status, fm_test);
break;
case HERMON_FLASH_UNKNOWN_CMDSET:
default:
return (EINVAL);
}
state->hs_fw_flashbank = bank;
}
return (0);
pio_error:
hermon_fm_ereport(state, HCA_SYS_ERR, HCA_ERR_IOCTL);
return (EIO);
}
/*
* hermon_flash_spi_exec_command()
*/
static void
hermon_flash_spi_exec_command(hermon_state_t *state, ddi_acc_handle_t hdl,
uint32_t cmd)
{
uint32_t data;
int timeout = 0;
cmd |= HERMON_HW_FLASH_SPI_BUSY | HERMON_HW_FLASH_SPI_ENABLE_OFF;
hermon_flash_write_cfg(state, hdl, HERMON_HW_FLASH_SPI_GW, cmd);
do {
data = hermon_flash_read_cfg(state, hdl,
HERMON_HW_FLASH_SPI_GW);
timeout++;
} while ((data & HERMON_HW_FLASH_SPI_BUSY) &&
(timeout < hermon_hw_flash_timeout_config));
}
/*
* hermon_flash_read()
*/
static uint32_t
hermon_flash_read(hermon_state_t *state, uint32_t addr, int *err)
{
ddi_acc_handle_t hdl;
uint32_t data = 0;
int timeout, status = 0;
/* initialize the FMA retry loop */
hermon_pio_init(fm_loop_cnt, fm_status, fm_test);
hdl = hermon_get_pcihdl(state);
/* the FMA retry loop starts. */
hermon_pio_start(state, hdl, pio_error, fm_loop_cnt, fm_status,
fm_test);
switch (state->hs_fw_cmdset) {
case HERMON_FLASH_SPI_CMDSET:
/* Set the transaction address */
hermon_flash_write_cfg(state, hdl, HERMON_HW_FLASH_SPI_ADDR,
(addr & HERMON_HW_FLASH_SPI_ADDR_MASK));
hermon_flash_spi_exec_command(state, hdl,
HERMON_HW_FLASH_SPI_READ_OP |
HERMON_HW_FLASH_SPI_INSTR_PHASE_OFF |
HERMON_HW_FLASH_SPI_ADDR_PHASE_OFF |
HERMON_HW_FLASH_SPI_DATA_PHASE_OFF |
HERMON_HW_FLASH_SPI_TRANS_SZ_4B |
(HERMON_HW_FLASH_SPI_READ <<
HERMON_HW_FLASH_SPI_INSTR_SHIFT));
data = hermon_flash_read_cfg(state, hdl,
HERMON_HW_FLASH_SPI_DATA);
break;
case HERMON_FLASH_INTEL_CMDSET:
case HERMON_FLASH_AMD_CMDSET:
/*
* The Read operation does the following:
* 1) Write the masked address to the HERMON_FLASH_ADDR
* register. Only the least significant 19 bits are valid.
* 2) Read back the register until the command has completed.
* 3) Read the data retrieved from the address at the
* HERMON_FLASH_DATA register.
*/
hermon_flash_write_cfg(state, hdl, HERMON_HW_FLASH_ADDR,
(addr & HERMON_HW_FLASH_ADDR_MASK) | (1 << 29));
timeout = 0;
do {
data = hermon_flash_read_cfg(state, hdl,
HERMON_HW_FLASH_ADDR);
timeout++;
} while ((data & HERMON_HW_FLASH_CMD_MASK) &&
(timeout < hermon_hw_flash_timeout_config));
if (timeout == hermon_hw_flash_timeout_config) {
cmn_err(CE_WARN, "hermon_flash_read: command timed "
"out.\n");
*err = EIO;
hermon_fm_ereport(state, HCA_SYS_ERR, HCA_ERR_IOCTL);
return (data);
}
data = hermon_flash_read_cfg(state, hdl, HERMON_HW_FLASH_DATA);
break;
case HERMON_FLASH_UNKNOWN_CMDSET:
default:
cmn_err(CE_CONT, "hermon_flash_read: unknown cmdset: 0x%x\n",
state->hs_fw_cmdset);
status = EINVAL;
break;
}
/* the FMA retry loop ends. */
hermon_pio_end(state, hdl, pio_error, fm_loop_cnt, fm_status, fm_test);
*err = status;
return (data);
pio_error:
*err = EIO;
hermon_fm_ereport(state, HCA_SYS_ERR, HCA_ERR_IOCTL);
return (data);
}
/*
* hermon_flash_write()
*/
static void
hermon_flash_write(hermon_state_t *state, uint32_t addr, uchar_t data, int *err)
{
ddi_acc_handle_t hdl;
int cmd;
int timeout;
/* initialize the FMA retry loop */
hermon_pio_init(fm_loop_cnt, fm_status, fm_test);
hdl = hermon_get_pcihdl(state);
/* the FMA retry loop starts. */
hermon_pio_start(state, hdl, pio_error, fm_loop_cnt, fm_status,
fm_test);
/*
* The Write operation does the following:
* 1) Write the data to be written to the HERMON_FLASH_DATA offset.
* 2) Write the address to write the data to to the HERMON_FLASH_ADDR
* offset.
* 3) Wait until the write completes.
*/
hermon_flash_write_cfg(state, hdl, HERMON_HW_FLASH_DATA, data << 24);
hermon_flash_write_cfg(state, hdl, HERMON_HW_FLASH_ADDR,
(addr & 0x7FFFF) | (2 << 29));
timeout = 0;
do {
cmd = hermon_flash_read_cfg(state, hdl, HERMON_HW_FLASH_ADDR);
timeout++;
} while ((cmd & HERMON_HW_FLASH_CMD_MASK) &&
(timeout < hermon_hw_flash_timeout_config));
if (timeout == hermon_hw_flash_timeout_config) {
cmn_err(CE_WARN, "hermon_flash_write: config cmd timeout.\n");
*err = EIO;
hermon_fm_ereport(state, HCA_SYS_ERR, HCA_ERR_IOCTL);
return;
}
/* the FMA retry loop ends. */
hermon_pio_end(state, hdl, pio_error, fm_loop_cnt, fm_status, fm_test);
*err = 0;
return;
pio_error:
*err = EIO;
hermon_fm_ereport(state, HCA_SYS_ERR, HCA_ERR_IOCTL);
}
/*
* hermon_flash_init()
*/
static int
hermon_flash_init(hermon_state_t *state)
{
uint32_t word;
ddi_acc_handle_t hdl;
int sema_cnt;
int gpio;
/* initialize the FMA retry loop */
hermon_pio_init(fm_loop_cnt, fm_status, fm_test);
/* Set handle */
hdl = hermon_get_pcihdl(state);
/* the FMA retry loop starts. */
hermon_pio_start(state, hdl, pio_error, fm_loop_cnt, fm_status,
fm_test);
/* Init the flash */
#ifdef DO_WRCONF
/*
* Grab the WRCONF semaphore.
*/
word = hermon_flash_read_cfg(state, hdl, HERMON_HW_FLASH_WRCONF_SEMA);
#endif
/*
* Grab the GPIO semaphore. This allows us exclusive access to the
* GPIO settings on the Hermon for the duration of the flash burning
* procedure.
*/
sema_cnt = 0;
do {
word = hermon_flash_read_cfg(state, hdl,
HERMON_HW_FLASH_GPIO_SEMA);
if (word == 0) {
break;
}
sema_cnt++;
drv_usecwait(1);
} while (sema_cnt < hermon_hw_flash_timeout_gpio_sema);
/*
* Determine if we timed out trying to grab the GPIO semaphore
*/
if (sema_cnt == hermon_hw_flash_timeout_gpio_sema) {
cmn_err(CE_WARN, "hermon_flash_init: GPIO SEMA timeout\n");
cmn_err(CE_WARN, "GPIO_SEMA value: 0x%x\n", word);
hermon_fm_ereport(state, HCA_SYS_ERR, HCA_ERR_IOCTL);
return (EIO);
}
/* Save away original GPIO Values */
state->hs_fw_gpio[0] = hermon_flash_read_cfg(state, hdl,
HERMON_HW_FLASH_GPIO_DATA);
/* Set new GPIO value */
gpio = state->hs_fw_gpio[0] | HERMON_HW_FLASH_GPIO_PIN_ENABLE;
hermon_flash_write_cfg(state, hdl, HERMON_HW_FLASH_GPIO_DATA, gpio);
/* Save away original GPIO Values */
state->hs_fw_gpio[1] = hermon_flash_read_cfg(state, hdl,
HERMON_HW_FLASH_GPIO_MOD0);
state->hs_fw_gpio[2] = hermon_flash_read_cfg(state, hdl,
HERMON_HW_FLASH_GPIO_MOD1);
/* unlock GPIO */
hermon_flash_write_cfg(state, hdl, HERMON_HW_FLASH_GPIO_LOCK,
HERMON_HW_FLASH_GPIO_UNLOCK_VAL);
/*
* Set new GPIO values
*/
gpio = state->hs_fw_gpio[1] | HERMON_HW_FLASH_GPIO_PIN_ENABLE;
hermon_flash_write_cfg(state, hdl, HERMON_HW_FLASH_GPIO_MOD0, gpio);
gpio = state->hs_fw_gpio[2] & ~HERMON_HW_FLASH_GPIO_PIN_ENABLE;
hermon_flash_write_cfg(state, hdl, HERMON_HW_FLASH_GPIO_MOD1, gpio);
/* re-lock GPIO */
hermon_flash_write_cfg(state, hdl, HERMON_HW_FLASH_GPIO_LOCK, 0);
/* Set CPUMODE to enable hermon to access the flash device */
/* CMJ This code came from arbel. Hermon doesn't seem to need it. */
/*
* hermon_flash_write_cfg(state, hdl, HERMON_HW_FLASH_CPUMODE,
* 1 << HERMON_HW_FLASH_CPU_SHIFT);
*/
/* the FMA retry loop ends. */
hermon_pio_end(state, hdl, pio_error, fm_loop_cnt, fm_status, fm_test);
return (0);
pio_error:
hermon_fm_ereport(state, HCA_SYS_ERR, HCA_ERR_IOCTL);
return (EIO);
}
/*
* hermon_flash_cfi_init
* Implements access to the CFI (Common Flash Interface) data
*/
static int
hermon_flash_cfi_init(hermon_state_t *state, uint32_t *cfi_info,
int *intel_xcmd)
{
uint32_t data;
uint32_t sector_sz_bytes;
uint32_t bit_count;
uint8_t cfi_ch_info[HERMON_CFI_INFO_SIZE];
uint32_t cfi_dw_info[HERMON_CFI_INFO_QSIZE];
int i;
int status;
/* Right now, all hermon cards use SPI. */
if (hermon_device_mode(state)) {
/*
* Don't use CFI for SPI part. Just fill in what we need
* and return.
*/
state->hs_fw_cmdset = HERMON_FLASH_SPI_CMDSET;
state->hs_fw_log_sector_sz = HERMON_FLASH_SPI_LOG_SECTOR_SIZE;
state->hs_fw_device_sz = HERMON_FLASH_SPI_DEVICE_SIZE;
/*
* set this to inform caller of cmdset type.
*/
cfi_ch_info[0x13] = HERMON_FLASH_SPI_CMDSET;
hermon_flash_cfi_dword(&cfi_info[4], cfi_ch_info, 0x10);
return (0);
}
/*
* Determine if the user command supports the Intel Extended
* Command Set. The query string is contained in the fourth
* quad word.
*/
hermon_flash_cfi_byte(cfi_ch_info, cfi_info[0x04], 0x10);
if (cfi_ch_info[0x10] == 'M' &&
cfi_ch_info[0x11] == 'X' &&
cfi_ch_info[0x12] == '2') {
*intel_xcmd = 1; /* support is there */
if (hermon_verbose) {
IBTF_DPRINTF_L2("hermon",
"Support for Intel X is present\n");
}
}
/* CFI QUERY */
hermon_flash_write(state, 0x55, HERMON_FLASH_CFI_INIT, &status);
if (status != 0) {
return (status);
}
/* temporarily set the cmdset in order to do the initial read */
state->hs_fw_cmdset = HERMON_FLASH_INTEL_CMDSET;
/* Read in CFI data */
for (i = 0; i < HERMON_CFI_INFO_SIZE; i += 4) {
data = hermon_flash_read(state, i, &status);
if (status != 0) {
return (status);
}
cfi_dw_info[i >> 2] = data;
hermon_flash_cfi_byte(cfi_ch_info, data, i);
}
/* Determine chip set */
state->hs_fw_cmdset = HERMON_FLASH_UNKNOWN_CMDSET;
if (cfi_ch_info[0x20] == 'Q' &&
cfi_ch_info[0x22] == 'R' &&
cfi_ch_info[0x24] == 'Y') {
/*
* Mode: x16 working in x8 mode (Intel).
* Pack data - skip spacing bytes.
*/
if (hermon_verbose) {
IBTF_DPRINTF_L2("hermon",
"x16 working in x8 mode (Intel)\n");
}
for (i = 0; i < HERMON_CFI_INFO_SIZE; i += 2) {
cfi_ch_info[i/2] = cfi_ch_info[i];
}
}
state->hs_fw_cmdset = cfi_ch_info[0x13];
if (state->hs_fw_cmdset != HERMON_FLASH_INTEL_CMDSET &&
state->hs_fw_cmdset != HERMON_FLASH_AMD_CMDSET) {
cmn_err(CE_WARN,
"hermon_flash_cfi_init: UNKNOWN chip cmd set 0x%04x\n",
state->hs_fw_cmdset);
state->hs_fw_cmdset = HERMON_FLASH_UNKNOWN_CMDSET;
return (0);
}
/* Determine total bytes in one sector size */
sector_sz_bytes = ((cfi_ch_info[0x30] << 8) | cfi_ch_info[0x2F]) << 8;
/* Calculate equivalent of log2 (n) */
for (bit_count = 0; sector_sz_bytes > 1; bit_count++) {
sector_sz_bytes >>= 1;
}
/* Set sector size */
state->hs_fw_log_sector_sz = bit_count;
/* Set flash size */
state->hs_fw_device_sz = 0x1 << cfi_ch_info[0x27];
/* Reset to turn off CFI mode */
if ((status = hermon_flash_reset(state)) != 0)
goto out;
/* Pass CFI data back to user command. */
for (i = 0; i < HERMON_FLASH_CFI_SIZE_QUADLET; i++) {
hermon_flash_cfi_dword(&cfi_info[i], cfi_ch_info, i << 2);
}
if (*intel_xcmd == 1) {
/*
* Inform the user cmd that this driver does support the
* Intel Extended Command Set.
*/
cfi_ch_info[0x10] = 'M';
cfi_ch_info[0x11] = 'X';
cfi_ch_info[0x12] = '2';
} else {
cfi_ch_info[0x10] = 'Q';
cfi_ch_info[0x11] = 'R';
cfi_ch_info[0x12] = 'Y';
}
cfi_ch_info[0x13] = state->hs_fw_cmdset;
hermon_flash_cfi_dword(&cfi_info[0x4], cfi_ch_info, 0x10);
out:
return (status);
}
/*
* hermon_flash_fini()
*/
static int
hermon_flash_fini(hermon_state_t *state)
{
int status;
ddi_acc_handle_t hdl;
/* initialize the FMA retry loop */
hermon_pio_init(fm_loop_cnt, fm_status, fm_test);
/* Set handle */
hdl = hermon_get_pcihdl(state);
if ((status = hermon_flash_bank(state, 0)) != 0)
return (status);
/* the FMA retry loop starts. */
hermon_pio_start(state, hdl, pio_error, fm_loop_cnt, fm_status,
fm_test);
/*
* Restore original GPIO Values
*/
hermon_flash_write_cfg(state, hdl, HERMON_HW_FLASH_GPIO_DATA,
state->hs_fw_gpio[0]);
/* unlock GPIOs */
hermon_flash_write_cfg(state, hdl, HERMON_HW_FLASH_GPIO_LOCK,
HERMON_HW_FLASH_GPIO_UNLOCK_VAL);
hermon_flash_write_cfg(state, hdl, HERMON_HW_FLASH_GPIO_MOD0,
state->hs_fw_gpio[1]);
hermon_flash_write_cfg(state, hdl, HERMON_HW_FLASH_GPIO_MOD1,
state->hs_fw_gpio[2]);
/* re-lock GPIOs */
hermon_flash_write_cfg(state, hdl, HERMON_HW_FLASH_GPIO_LOCK, 0);
/* Give up gpio semaphore */
hermon_flash_write_cfg(state, hdl, HERMON_HW_FLASH_GPIO_SEMA, 0);
/* the FMA retry loop ends. */
hermon_pio_end(state, hdl, pio_error, fm_loop_cnt, fm_status, fm_test);
return (0);
pio_error:
hermon_fm_ereport(state, HCA_SYS_ERR, HCA_ERR_IOCTL);
return (EIO);
}
/*
* hermon_flash_read_cfg
*/
static uint32_t
hermon_flash_read_cfg(hermon_state_t *state, ddi_acc_handle_t pci_config_hdl,
uint32_t addr)
{
uint32_t read;
if (do_bar0) {
read = ddi_get32(hermon_get_cmdhdl(state), (uint32_t *)(void *)
(state->hs_reg_cmd_baseaddr + addr));
} else {
/*
* Perform flash read operation:
* 1) Place addr to read from on the HERMON_HW_FLASH_CFG_ADDR
* register
* 2) Read data at that addr from the HERMON_HW_FLASH_CFG_DATA
* register
*/
pci_config_put32(pci_config_hdl, HERMON_HW_FLASH_CFG_ADDR,
addr);
read = pci_config_get32(pci_config_hdl,
HERMON_HW_FLASH_CFG_DATA);
}
return (read);
}
#ifdef DO_WRCONF
static void
hermon_flash_write_cfg(hermon_state_t *state,
ddi_acc_handle_t pci_config_hdl, uint32_t addr, uint32_t data)
{
hermon_flash_write_cfg_helper(state, pci_config_hdl, addr, data);
hermon_flash_write_confirm(state, pci_config_hdl);
}
static void
hermon_flash_write_confirm(hermon_state_t *state,
ddi_acc_handle_t pci_config_hdl)
{
uint32_t sem_value = 1;
hermon_flash_write_cfg_helper(state, pci_config_hdl,
HERMON_HW_FLASH_WRCONF_SEMA, 0);
while (sem_value) {
sem_value = hermon_flash_read_cfg(state, pci_config_hdl,
HERMON_HW_FLASH_WRCONF_SEMA);
}
}
#endif
/*
* hermon_flash_write_cfg
*/
static void
#ifdef DO_WRCONF
hermon_flash_write_cfg_helper(hermon_state_t *state,
ddi_acc_handle_t pci_config_hdl, uint32_t addr, uint32_t data)
#else
hermon_flash_write_cfg(hermon_state_t *state,
ddi_acc_handle_t pci_config_hdl, uint32_t addr, uint32_t data)
#endif
{
if (do_bar0) {
ddi_put32(hermon_get_cmdhdl(state), (uint32_t *)(void *)
(state->hs_reg_cmd_baseaddr + addr), data);
} else {
/*
* Perform flash write operation:
* 1) Place addr to write to on the HERMON_HW_FLASH_CFG_ADDR
* register
* 2) Place data to write on to the HERMON_HW_FLASH_CFG_DATA
* register
*/
pci_config_put32(pci_config_hdl, HERMON_HW_FLASH_CFG_ADDR,
addr);
pci_config_put32(pci_config_hdl, HERMON_HW_FLASH_CFG_DATA,
data);
}
}
/*
* Support routines to convert Common Flash Interface (CFI) data
* from a 32 bit word to a char array, and from a char array to
* a 32 bit word.
*/
static void
hermon_flash_cfi_byte(uint8_t *ch, uint32_t dword, int i)
{
ch[i] = (uint8_t)((dword & 0xFF000000) >> 24);
ch[i+1] = (uint8_t)((dword & 0x00FF0000) >> 16);
ch[i+2] = (uint8_t)((dword & 0x0000FF00) >> 8);
ch[i+3] = (uint8_t)((dword & 0x000000FF));
}
static void
hermon_flash_cfi_dword(uint32_t *dword, uint8_t *ch, int i)
{
*dword = (uint32_t)
((uint32_t)ch[i] << 24 |
(uint32_t)ch[i+1] << 16 |
(uint32_t)ch[i+2] << 8 |
(uint32_t)ch[i+3]);
}
/*
* hermon_loopback_free_qps
*/
static void
hermon_loopback_free_qps(hermon_loopback_state_t *lstate)
{
int i;
_NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*lstate))
if (lstate->hls_tx.hlc_qp_hdl != NULL) {
(void) hermon_qp_free(lstate->hls_state,
&lstate->hls_tx.hlc_qp_hdl, IBC_FREE_QP_AND_QPN, NULL,
HERMON_NOSLEEP);
}
if (lstate->hls_rx.hlc_qp_hdl != NULL) {
(void) hermon_qp_free(lstate->hls_state,
&lstate->hls_rx.hlc_qp_hdl, IBC_FREE_QP_AND_QPN, NULL,
HERMON_NOSLEEP);
}
lstate->hls_tx.hlc_qp_hdl = NULL;
lstate->hls_rx.hlc_qp_hdl = NULL;
for (i = 0; i < 2; i++) {
if (lstate->hls_tx.hlc_cqhdl[i] != NULL) {
(void) hermon_cq_free(lstate->hls_state,
&lstate->hls_tx.hlc_cqhdl[i], HERMON_NOSLEEP);
}
if (lstate->hls_rx.hlc_cqhdl[i] != NULL) {
(void) hermon_cq_free(lstate->hls_state,
&lstate->hls_rx.hlc_cqhdl[i], HERMON_NOSLEEP);
}
lstate->hls_tx.hlc_cqhdl[i] = NULL;
lstate->hls_rx.hlc_cqhdl[i] = NULL;
}
}
/*
* hermon_loopback_free_state
*/
static void
hermon_loopback_free_state(hermon_loopback_state_t *lstate)
{
hermon_loopback_free_qps(lstate);
if (lstate->hls_tx.hlc_mrhdl != NULL) {
(void) hermon_mr_deregister(lstate->hls_state,
&lstate->hls_tx.hlc_mrhdl, HERMON_MR_DEREG_ALL,
HERMON_NOSLEEP);
}
if (lstate->hls_rx.hlc_mrhdl != NULL) {
(void) hermon_mr_deregister(lstate->hls_state,
&lstate->hls_rx.hlc_mrhdl, HERMON_MR_DEREG_ALL,
HERMON_NOSLEEP);
}
if (lstate->hls_pd_hdl != NULL) {
(void) hermon_pd_free(lstate->hls_state, &lstate->hls_pd_hdl);
}
if (lstate->hls_tx.hlc_buf != NULL) {
kmem_free(lstate->hls_tx.hlc_buf, lstate->hls_tx.hlc_buf_sz);
}
if (lstate->hls_rx.hlc_buf != NULL) {
kmem_free(lstate->hls_rx.hlc_buf, lstate->hls_rx.hlc_buf_sz);
}
bzero(lstate, sizeof (hermon_loopback_state_t));
}
/*
* hermon_loopback_init
*/
static int
hermon_loopback_init(hermon_state_t *state, hermon_loopback_state_t *lstate)
{
_NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*lstate))
lstate->hls_hca_hdl = (ibc_hca_hdl_t)state;
lstate->hls_status = hermon_pd_alloc(lstate->hls_state,
&lstate->hls_pd_hdl, HERMON_NOSLEEP);
if (lstate->hls_status != IBT_SUCCESS) {
lstate->hls_err = HERMON_LOOPBACK_PROT_DOMAIN_ALLOC_FAIL;
return (EFAULT);
}
return (0);
}
/*
* hermon_loopback_init_qp_info
*/
static void
hermon_loopback_init_qp_info(hermon_loopback_state_t *lstate,
hermon_loopback_comm_t *comm)
{
bzero(&comm->hlc_cq_attr, sizeof (ibt_cq_attr_t));
bzero(&comm->hlc_qp_attr, sizeof (ibt_qp_alloc_attr_t));
bzero(&comm->hlc_qp_info, sizeof (ibt_qp_info_t));
comm->hlc_wrid = 1;
comm->hlc_cq_attr.cq_size = 128;
comm->hlc_qp_attr.qp_sizes.cs_sq_sgl = 3;
comm->hlc_qp_attr.qp_sizes.cs_rq_sgl = 3;
comm->hlc_qp_attr.qp_sizes.cs_sq = 16;
comm->hlc_qp_attr.qp_sizes.cs_rq = 16;
comm->hlc_qp_attr.qp_flags = IBT_WR_SIGNALED;
comm->hlc_qp_info.qp_state = IBT_STATE_RESET;
comm->hlc_qp_info.qp_trans = IBT_RC_SRV;
comm->hlc_qp_info.qp_flags = IBT_CEP_RDMA_RD | IBT_CEP_RDMA_WR;
comm->hlc_qp_info.qp_transport.rc.rc_path.cep_hca_port_num =
lstate->hls_port;
comm->hlc_qp_info.qp_transport.rc.rc_path.cep_pkey_ix =
lstate->hls_pkey_ix;
comm->hlc_qp_info.qp_transport.rc.rc_path.cep_timeout =
lstate->hls_timeout;
comm->hlc_qp_info.qp_transport.rc.rc_path.cep_adds_vect.av_srvl = 0;
comm->hlc_qp_info.qp_transport.rc.rc_path.cep_adds_vect.av_srate =
IBT_SRATE_4X;
comm->hlc_qp_info.qp_transport.rc.rc_path.cep_adds_vect.av_send_grh = 0;
comm->hlc_qp_info.qp_transport.rc.rc_path.cep_adds_vect.av_dlid =
lstate->hls_lid;
comm->hlc_qp_info.qp_transport.rc.rc_retry_cnt = lstate->hls_retry;
comm->hlc_qp_info.qp_transport.rc.rc_sq_psn = 0;
comm->hlc_qp_info.qp_transport.rc.rc_rq_psn = 0;
comm->hlc_qp_info.qp_transport.rc.rc_rdma_ra_in = 4;
comm->hlc_qp_info.qp_transport.rc.rc_rdma_ra_out = 4;
comm->hlc_qp_info.qp_transport.rc.rc_dst_qpn = 0;
comm->hlc_qp_info.qp_transport.rc.rc_min_rnr_nak = IBT_RNR_NAK_655ms;
comm->hlc_qp_info.qp_transport.rc.rc_path_mtu = IB_MTU_1K;
}
/*
* hermon_loopback_alloc_mem
*/
static int
hermon_loopback_alloc_mem(hermon_loopback_state_t *lstate,
hermon_loopback_comm_t *comm, int sz)
{
_NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*comm))
/* Allocate buffer of specified size */
comm->hlc_buf_sz = sz;
comm->hlc_buf = kmem_zalloc(sz, KM_NOSLEEP);
if (comm->hlc_buf == NULL) {
return (EFAULT);
}
/* Register the buffer as a memory region */
comm->hlc_memattr.mr_vaddr = (uint64_t)(uintptr_t)comm->hlc_buf;
comm->hlc_memattr.mr_len = (ib_msglen_t)sz;
comm->hlc_memattr.mr_as = NULL;
comm->hlc_memattr.mr_flags = IBT_MR_NOSLEEP |
IBT_MR_ENABLE_REMOTE_WRITE | IBT_MR_ENABLE_LOCAL_WRITE;
comm->hlc_status = hermon_mr_register(lstate->hls_state,
lstate->hls_pd_hdl, &comm->hlc_memattr, &comm->hlc_mrhdl,
NULL, HERMON_MPT_DMPT);
_NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*comm->hlc_mrhdl))
comm->hlc_mrdesc.md_vaddr = comm->hlc_mrhdl->mr_bindinfo.bi_addr;
comm->hlc_mrdesc.md_lkey = comm->hlc_mrhdl->mr_lkey;
comm->hlc_mrdesc.md_rkey = comm->hlc_mrhdl->mr_rkey;
if (comm->hlc_status != IBT_SUCCESS) {
return (EFAULT);
}
return (0);
}
/*
* hermon_loopback_alloc_qps
*/
static int
hermon_loopback_alloc_qps(hermon_loopback_state_t *lstate,
hermon_loopback_comm_t *comm)
{
uint32_t i, real_size;
hermon_qp_info_t qpinfo;
_NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*comm))
_NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*lstate))
/* Allocate send and recv CQs */
for (i = 0; i < 2; i++) {
bzero(&comm->hlc_cq_attr, sizeof (ibt_cq_attr_t));
comm->hlc_cq_attr.cq_size = 128;
comm->hlc_status = hermon_cq_alloc(lstate->hls_state,
(ibt_cq_hdl_t)NULL, &comm->hlc_cq_attr, &real_size,
&comm->hlc_cqhdl[i], HERMON_NOSLEEP);
if (comm->hlc_status != IBT_SUCCESS) {
lstate->hls_err += i;
return (EFAULT);
}
}
/* Allocate the QP */
hermon_loopback_init_qp_info(lstate, comm);
comm->hlc_qp_attr.qp_pd_hdl = (ibt_pd_hdl_t)lstate->hls_pd_hdl;
comm->hlc_qp_attr.qp_scq_hdl = (ibt_cq_hdl_t)comm->hlc_cqhdl[0];
comm->hlc_qp_attr.qp_rcq_hdl = (ibt_cq_hdl_t)comm->hlc_cqhdl[1];
comm->hlc_qp_attr.qp_ibc_scq_hdl = (ibt_opaque1_t)comm->hlc_cqhdl[0];
comm->hlc_qp_attr.qp_ibc_rcq_hdl = (ibt_opaque1_t)comm->hlc_cqhdl[1];
qpinfo.qpi_attrp = &comm->hlc_qp_attr;
qpinfo.qpi_type = IBT_RC_RQP;
qpinfo.qpi_ibt_qphdl = NULL;
qpinfo.qpi_queueszp = &comm->hlc_chan_sizes;
qpinfo.qpi_qpn = &comm->hlc_qp_num;
comm->hlc_status = hermon_qp_alloc(lstate->hls_state, &qpinfo,
HERMON_NOSLEEP);
if (comm->hlc_status == DDI_SUCCESS) {
comm->hlc_qp_hdl = qpinfo.qpi_qphdl;
}
if (comm->hlc_status != IBT_SUCCESS) {
lstate->hls_err += 2;
return (EFAULT);
}
return (0);
}
/*
* hermon_loopback_modify_qp
*/
static int
hermon_loopback_modify_qp(hermon_loopback_state_t *lstate,
hermon_loopback_comm_t *comm, uint_t qp_num)
{
_NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*comm))
_NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*lstate))
/* Modify QP to INIT */
hermon_loopback_init_qp_info(lstate, comm);
comm->hlc_qp_info.qp_state = IBT_STATE_INIT;
comm->hlc_status = hermon_qp_modify(lstate->hls_state, comm->hlc_qp_hdl,
IBT_CEP_SET_STATE, &comm->hlc_qp_info, &comm->hlc_queue_sizes);
if (comm->hlc_status != IBT_SUCCESS) {
return (EFAULT);
}
/*
* Modify QP to RTR (set destination LID and QP number to local
* LID and QP number)
*/
comm->hlc_qp_info.qp_state = IBT_STATE_RTR;
comm->hlc_qp_info.qp_transport.rc.rc_path.cep_adds_vect.av_dlid
= lstate->hls_lid;
comm->hlc_qp_info.qp_transport.rc.rc_dst_qpn = qp_num;
comm->hlc_status = hermon_qp_modify(lstate->hls_state, comm->hlc_qp_hdl,
IBT_CEP_SET_STATE, &comm->hlc_qp_info, &comm->hlc_queue_sizes);
if (comm->hlc_status != IBT_SUCCESS) {
lstate->hls_err += 1;
return (EFAULT);
}
/* Modify QP to RTS */
comm->hlc_qp_info.qp_current_state = IBT_STATE_RTR;
comm->hlc_qp_info.qp_state = IBT_STATE_RTS;
comm->hlc_status = hermon_qp_modify(lstate->hls_state, comm->hlc_qp_hdl,
IBT_CEP_SET_STATE, &comm->hlc_qp_info, &comm->hlc_queue_sizes);
if (comm->hlc_status != IBT_SUCCESS) {
lstate->hls_err += 2;
return (EFAULT);
}
return (0);
}
/*
* hermon_loopback_copyout
*/
static int
hermon_loopback_copyout(hermon_loopback_ioctl_t *lb, intptr_t arg, int mode)
{
#ifdef _MULTI_DATAMODEL
if (ddi_model_convert_from(mode & FMODELS) == DDI_MODEL_ILP32) {
hermon_loopback_ioctl32_t lb32;
lb32.alb_revision = lb->alb_revision;
lb32.alb_send_buf =
(caddr32_t)(uintptr_t)lb->alb_send_buf;
lb32.alb_fail_buf =
(caddr32_t)(uintptr_t)lb->alb_fail_buf;
lb32.alb_buf_sz = lb->alb_buf_sz;
lb32.alb_num_iter = lb->alb_num_iter;
lb32.alb_pass_done = lb->alb_pass_done;
lb32.alb_timeout = lb->alb_timeout;
lb32.alb_error_type = lb->alb_error_type;
lb32.alb_port_num = lb->alb_port_num;
lb32.alb_num_retry = lb->alb_num_retry;
if (ddi_copyout(&lb32, (void *)arg,
sizeof (hermon_loopback_ioctl32_t), mode) != 0) {
return (EFAULT);
}
} else
#endif /* _MULTI_DATAMODEL */
if (ddi_copyout(lb, (void *)arg, sizeof (hermon_loopback_ioctl_t),
mode) != 0) {
return (EFAULT);
}
return (0);
}
/*
* hermon_loopback_post_send
*/
static int
hermon_loopback_post_send(hermon_loopback_state_t *lstate,
hermon_loopback_comm_t *tx, hermon_loopback_comm_t *rx)
{
int ret;
_NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*tx))
bzero(&tx->hlc_sgl, sizeof (ibt_wr_ds_t));
bzero(&tx->hlc_wr, sizeof (ibt_send_wr_t));
/* Initialize local address for TX buffer */
tx->hlc_sgl.ds_va = tx->hlc_mrdesc.md_vaddr;
tx->hlc_sgl.ds_key = tx->hlc_mrdesc.md_lkey;
tx->hlc_sgl.ds_len = tx->hlc_buf_sz;
/* Initialize the remaining details of the work request */
tx->hlc_wr.wr_id = tx->hlc_wrid++;
tx->hlc_wr.wr_flags = IBT_WR_SEND_SIGNAL;
tx->hlc_wr.wr_nds = 1;
tx->hlc_wr.wr_sgl = &tx->hlc_sgl;
tx->hlc_wr.wr_opcode = IBT_WRC_RDMAW;
tx->hlc_wr.wr_trans = IBT_RC_SRV;
/* Initialize the remote address for RX buffer */
tx->hlc_wr.wr.rc.rcwr.rdma.rdma_raddr = rx->hlc_mrdesc.md_vaddr;
tx->hlc_wr.wr.rc.rcwr.rdma.rdma_rkey = rx->hlc_mrdesc.md_rkey;
tx->hlc_complete = 0;
ret = hermon_post_send(lstate->hls_state, tx->hlc_qp_hdl, &tx->hlc_wr,
1, NULL);
if (ret != IBT_SUCCESS) {
return (EFAULT);
}
return (0);
}
/*
* hermon_loopback_poll_cq
*/
static int
hermon_loopback_poll_cq(hermon_loopback_state_t *lstate,
hermon_loopback_comm_t *comm)
{
_NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*comm))
comm->hlc_wc.wc_status = 0;
comm->hlc_num_polled = 0;
comm->hlc_status = hermon_cq_poll(lstate->hls_state,
comm->hlc_cqhdl[0], &comm->hlc_wc, 1, &comm->hlc_num_polled);
if ((comm->hlc_status == IBT_SUCCESS) &&
(comm->hlc_wc.wc_status != IBT_WC_SUCCESS)) {
comm->hlc_status = ibc_get_ci_failure(0);
}
return (comm->hlc_status);
}