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path: root/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c
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Diffstat (limited to 'drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c')
-rw-r--r--drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c486
1 files changed, 0 insertions, 486 deletions
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c
index aeacf1d..ff879cd 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c
@@ -266,33 +266,6 @@ static const unsigned crb_hub_agt[64] = {
0,
};
-static void qlcnic_read_dump_reg(u32 addr, void __iomem *bar0, u32 *data)
-{
- u32 dest;
- void __iomem *window_reg;
-
- dest = addr & 0xFFFF0000;
- window_reg = bar0 + QLCNIC_FW_DUMP_REG1;
- writel(dest, window_reg);
- readl(window_reg);
- window_reg = bar0 + QLCNIC_FW_DUMP_REG2 + LSW(addr);
- *data = readl(window_reg);
-}
-
-static void qlcnic_write_dump_reg(u32 addr, void __iomem *bar0, u32 data)
-{
- u32 dest;
- void __iomem *window_reg;
-
- dest = addr & 0xFFFF0000;
- window_reg = bar0 + QLCNIC_FW_DUMP_REG1;
- writel(dest, window_reg);
- readl(window_reg);
- window_reg = bar0 + QLCNIC_FW_DUMP_REG2 + LSW(addr);
- writel(data, window_reg);
- readl(window_reg);
-}
-
/* PCI Windowing for DDR regions. */
#define QLCNIC_PCIE_SEM_TIMEOUT 10000
@@ -1088,8 +1061,6 @@ qlcnic_pci_camqm_write_2M(struct qlcnic_adapter *adapter, u64 off, u64 data)
mutex_unlock(&adapter->ahw->mem_lock);
}
-#define MAX_CTL_CHECK 1000
-
int
qlcnic_pci_mem_write_2M(struct qlcnic_adapter *adapter,
u64 off, u64 data)
@@ -1347,460 +1318,3 @@ int qlcnic_config_led(struct qlcnic_adapter *adapter, u32 state, u32 rate)
return rv;
}
-
-/* FW dump related functions */
-static u32 qlcnic_dump_crb(struct qlcnic_adapter *adapter,
- struct qlcnic_dump_entry *entry, __le32 *buffer)
-{
- int i;
- u32 addr, data;
- struct __crb *crb = &entry->region.crb;
- void __iomem *base = adapter->ahw->pci_base0;
-
- addr = crb->addr;
-
- for (i = 0; i < crb->no_ops; i++) {
- qlcnic_read_dump_reg(addr, base, &data);
- *buffer++ = cpu_to_le32(addr);
- *buffer++ = cpu_to_le32(data);
- addr += crb->stride;
- }
- return crb->no_ops * 2 * sizeof(u32);
-}
-
-static u32 qlcnic_dump_ctrl(struct qlcnic_adapter *adapter,
- struct qlcnic_dump_entry *entry, __le32 *buffer)
-{
- int i, k, timeout = 0;
- void __iomem *base = adapter->ahw->pci_base0;
- u32 addr, data;
- u8 opcode, no_ops;
- struct __ctrl *ctr = &entry->region.ctrl;
- struct qlcnic_dump_template_hdr *t_hdr = adapter->ahw->fw_dump.tmpl_hdr;
-
- addr = ctr->addr;
- no_ops = ctr->no_ops;
-
- for (i = 0; i < no_ops; i++) {
- k = 0;
- opcode = 0;
- for (k = 0; k < 8; k++) {
- if (!(ctr->opcode & (1 << k)))
- continue;
- switch (1 << k) {
- case QLCNIC_DUMP_WCRB:
- qlcnic_write_dump_reg(addr, base, ctr->val1);
- break;
- case QLCNIC_DUMP_RWCRB:
- qlcnic_read_dump_reg(addr, base, &data);
- qlcnic_write_dump_reg(addr, base, data);
- break;
- case QLCNIC_DUMP_ANDCRB:
- qlcnic_read_dump_reg(addr, base, &data);
- qlcnic_write_dump_reg(addr, base,
- data & ctr->val2);
- break;
- case QLCNIC_DUMP_ORCRB:
- qlcnic_read_dump_reg(addr, base, &data);
- qlcnic_write_dump_reg(addr, base,
- data | ctr->val3);
- break;
- case QLCNIC_DUMP_POLLCRB:
- while (timeout <= ctr->timeout) {
- qlcnic_read_dump_reg(addr, base, &data);
- if ((data & ctr->val2) == ctr->val1)
- break;
- msleep(1);
- timeout++;
- }
- if (timeout > ctr->timeout) {
- dev_info(&adapter->pdev->dev,
- "Timed out, aborting poll CRB\n");
- return -EINVAL;
- }
- break;
- case QLCNIC_DUMP_RD_SAVE:
- if (ctr->index_a)
- addr = t_hdr->saved_state[ctr->index_a];
- qlcnic_read_dump_reg(addr, base, &data);
- t_hdr->saved_state[ctr->index_v] = data;
- break;
- case QLCNIC_DUMP_WRT_SAVED:
- if (ctr->index_v)
- data = t_hdr->saved_state[ctr->index_v];
- else
- data = ctr->val1;
- if (ctr->index_a)
- addr = t_hdr->saved_state[ctr->index_a];
- qlcnic_write_dump_reg(addr, base, data);
- break;
- case QLCNIC_DUMP_MOD_SAVE_ST:
- data = t_hdr->saved_state[ctr->index_v];
- data <<= ctr->shl_val;
- data >>= ctr->shr_val;
- if (ctr->val2)
- data &= ctr->val2;
- data |= ctr->val3;
- data += ctr->val1;
- t_hdr->saved_state[ctr->index_v] = data;
- break;
- default:
- dev_info(&adapter->pdev->dev,
- "Unknown opcode\n");
- break;
- }
- }
- addr += ctr->stride;
- }
- return 0;
-}
-
-static u32 qlcnic_dump_mux(struct qlcnic_adapter *adapter,
- struct qlcnic_dump_entry *entry, __le32 *buffer)
-{
- int loop;
- u32 val, data = 0;
- struct __mux *mux = &entry->region.mux;
- void __iomem *base = adapter->ahw->pci_base0;
-
- val = mux->val;
- for (loop = 0; loop < mux->no_ops; loop++) {
- qlcnic_write_dump_reg(mux->addr, base, val);
- qlcnic_read_dump_reg(mux->read_addr, base, &data);
- *buffer++ = cpu_to_le32(val);
- *buffer++ = cpu_to_le32(data);
- val += mux->val_stride;
- }
- return 2 * mux->no_ops * sizeof(u32);
-}
-
-static u32 qlcnic_dump_que(struct qlcnic_adapter *adapter,
- struct qlcnic_dump_entry *entry, __le32 *buffer)
-{
- int i, loop;
- u32 cnt, addr, data, que_id = 0;
- void __iomem *base = adapter->ahw->pci_base0;
- struct __queue *que = &entry->region.que;
-
- addr = que->read_addr;
- cnt = que->read_addr_cnt;
-
- for (loop = 0; loop < que->no_ops; loop++) {
- qlcnic_write_dump_reg(que->sel_addr, base, que_id);
- addr = que->read_addr;
- for (i = 0; i < cnt; i++) {
- qlcnic_read_dump_reg(addr, base, &data);
- *buffer++ = cpu_to_le32(data);
- addr += que->read_addr_stride;
- }
- que_id += que->stride;
- }
- return que->no_ops * cnt * sizeof(u32);
-}
-
-static u32 qlcnic_dump_ocm(struct qlcnic_adapter *adapter,
- struct qlcnic_dump_entry *entry, __le32 *buffer)
-{
- int i;
- u32 data;
- void __iomem *addr;
- struct __ocm *ocm = &entry->region.ocm;
-
- addr = adapter->ahw->pci_base0 + ocm->read_addr;
- for (i = 0; i < ocm->no_ops; i++) {
- data = readl(addr);
- *buffer++ = cpu_to_le32(data);
- addr += ocm->read_addr_stride;
- }
- return ocm->no_ops * sizeof(u32);
-}
-
-static u32 qlcnic_read_rom(struct qlcnic_adapter *adapter,
- struct qlcnic_dump_entry *entry, __le32 *buffer)
-{
- int i, count = 0;
- u32 fl_addr, size, val, lck_val, addr;
- struct __mem *rom = &entry->region.mem;
- void __iomem *base = adapter->ahw->pci_base0;
-
- fl_addr = rom->addr;
- size = rom->size/4;
-lock_try:
- lck_val = readl(base + QLCNIC_FLASH_SEM2_LK);
- if (!lck_val && count < MAX_CTL_CHECK) {
- msleep(10);
- count++;
- goto lock_try;
- }
- writel(adapter->ahw->pci_func, (base + QLCNIC_FLASH_LOCK_ID));
- for (i = 0; i < size; i++) {
- addr = fl_addr & 0xFFFF0000;
- qlcnic_write_dump_reg(FLASH_ROM_WINDOW, base, addr);
- addr = LSW(fl_addr) + FLASH_ROM_DATA;
- qlcnic_read_dump_reg(addr, base, &val);
- fl_addr += 4;
- *buffer++ = cpu_to_le32(val);
- }
- readl(base + QLCNIC_FLASH_SEM2_ULK);
- return rom->size;
-}
-
-static u32 qlcnic_dump_l1_cache(struct qlcnic_adapter *adapter,
- struct qlcnic_dump_entry *entry, __le32 *buffer)
-{
- int i;
- u32 cnt, val, data, addr;
- void __iomem *base = adapter->ahw->pci_base0;
- struct __cache *l1 = &entry->region.cache;
-
- val = l1->init_tag_val;
-
- for (i = 0; i < l1->no_ops; i++) {
- qlcnic_write_dump_reg(l1->addr, base, val);
- qlcnic_write_dump_reg(l1->ctrl_addr, base, LSW(l1->ctrl_val));
- addr = l1->read_addr;
- cnt = l1->read_addr_num;
- while (cnt) {
- qlcnic_read_dump_reg(addr, base, &data);
- *buffer++ = cpu_to_le32(data);
- addr += l1->read_addr_stride;
- cnt--;
- }
- val += l1->stride;
- }
- return l1->no_ops * l1->read_addr_num * sizeof(u32);
-}
-
-static u32 qlcnic_dump_l2_cache(struct qlcnic_adapter *adapter,
- struct qlcnic_dump_entry *entry, __le32 *buffer)
-{
- int i;
- u32 cnt, val, data, addr;
- u8 poll_mask, poll_to, time_out = 0;
- void __iomem *base = adapter->ahw->pci_base0;
- struct __cache *l2 = &entry->region.cache;
-
- val = l2->init_tag_val;
- poll_mask = LSB(MSW(l2->ctrl_val));
- poll_to = MSB(MSW(l2->ctrl_val));
-
- for (i = 0; i < l2->no_ops; i++) {
- qlcnic_write_dump_reg(l2->addr, base, val);
- if (LSW(l2->ctrl_val))
- qlcnic_write_dump_reg(l2->ctrl_addr, base,
- LSW(l2->ctrl_val));
- if (!poll_mask)
- goto skip_poll;
- do {
- qlcnic_read_dump_reg(l2->ctrl_addr, base, &data);
- if (!(data & poll_mask))
- break;
- msleep(1);
- time_out++;
- } while (time_out <= poll_to);
-
- if (time_out > poll_to) {
- dev_err(&adapter->pdev->dev,
- "Timeout exceeded in %s, aborting dump\n",
- __func__);
- return -EINVAL;
- }
-skip_poll:
- addr = l2->read_addr;
- cnt = l2->read_addr_num;
- while (cnt) {
- qlcnic_read_dump_reg(addr, base, &data);
- *buffer++ = cpu_to_le32(data);
- addr += l2->read_addr_stride;
- cnt--;
- }
- val += l2->stride;
- }
- return l2->no_ops * l2->read_addr_num * sizeof(u32);
-}
-
-static u32 qlcnic_read_memory(struct qlcnic_adapter *adapter,
- struct qlcnic_dump_entry *entry, __le32 *buffer)
-{
- u32 addr, data, test, ret = 0;
- int i, reg_read;
- struct __mem *mem = &entry->region.mem;
- void __iomem *base = adapter->ahw->pci_base0;
-
- reg_read = mem->size;
- addr = mem->addr;
- /* check for data size of multiple of 16 and 16 byte alignment */
- if ((addr & 0xf) || (reg_read%16)) {
- dev_info(&adapter->pdev->dev,
- "Unaligned memory addr:0x%x size:0x%x\n",
- addr, reg_read);
- return -EINVAL;
- }
-
- mutex_lock(&adapter->ahw->mem_lock);
-
- while (reg_read != 0) {
- qlcnic_write_dump_reg(MIU_TEST_ADDR_LO, base, addr);
- qlcnic_write_dump_reg(MIU_TEST_ADDR_HI, base, 0);
- qlcnic_write_dump_reg(MIU_TEST_CTR, base,
- TA_CTL_ENABLE | TA_CTL_START);
-
- for (i = 0; i < MAX_CTL_CHECK; i++) {
- qlcnic_read_dump_reg(MIU_TEST_CTR, base, &test);
- if (!(test & TA_CTL_BUSY))
- break;
- }
- if (i == MAX_CTL_CHECK) {
- if (printk_ratelimit()) {
- dev_err(&adapter->pdev->dev,
- "failed to read through agent\n");
- ret = -EINVAL;
- goto out;
- }
- }
- for (i = 0; i < 4; i++) {
- qlcnic_read_dump_reg(MIU_TEST_READ_DATA[i], base,
- &data);
- *buffer++ = cpu_to_le32(data);
- }
- addr += 16;
- reg_read -= 16;
- ret += 16;
- }
-out:
- mutex_unlock(&adapter->ahw->mem_lock);
- return mem->size;
-}
-
-static u32 qlcnic_dump_nop(struct qlcnic_adapter *adapter,
- struct qlcnic_dump_entry *entry, __le32 *buffer)
-{
- entry->hdr.flags |= QLCNIC_DUMP_SKIP;
- return 0;
-}
-
-static const struct qlcnic_dump_operations fw_dump_ops[] = {
- { QLCNIC_DUMP_NOP, qlcnic_dump_nop },
- { QLCNIC_DUMP_READ_CRB, qlcnic_dump_crb },
- { QLCNIC_DUMP_READ_MUX, qlcnic_dump_mux },
- { QLCNIC_DUMP_QUEUE, qlcnic_dump_que },
- { QLCNIC_DUMP_BRD_CONFIG, qlcnic_read_rom },
- { QLCNIC_DUMP_READ_OCM, qlcnic_dump_ocm },
- { QLCNIC_DUMP_PEG_REG, qlcnic_dump_ctrl },
- { QLCNIC_DUMP_L1_DTAG, qlcnic_dump_l1_cache },
- { QLCNIC_DUMP_L1_ITAG, qlcnic_dump_l1_cache },
- { QLCNIC_DUMP_L1_DATA, qlcnic_dump_l1_cache },
- { QLCNIC_DUMP_L1_INST, qlcnic_dump_l1_cache },
- { QLCNIC_DUMP_L2_DTAG, qlcnic_dump_l2_cache },
- { QLCNIC_DUMP_L2_ITAG, qlcnic_dump_l2_cache },
- { QLCNIC_DUMP_L2_DATA, qlcnic_dump_l2_cache },
- { QLCNIC_DUMP_L2_INST, qlcnic_dump_l2_cache },
- { QLCNIC_DUMP_READ_ROM, qlcnic_read_rom },
- { QLCNIC_DUMP_READ_MEM, qlcnic_read_memory },
- { QLCNIC_DUMP_READ_CTRL, qlcnic_dump_ctrl },
- { QLCNIC_DUMP_TLHDR, qlcnic_dump_nop },
- { QLCNIC_DUMP_RDEND, qlcnic_dump_nop },
-};
-
-/* Walk the template and collect dump for each entry in the dump template */
-static int
-qlcnic_valid_dump_entry(struct device *dev, struct qlcnic_dump_entry *entry,
- u32 size)
-{
- int ret = 1;
- if (size != entry->hdr.cap_size) {
- dev_info(dev,
- "Invalidate dump, Type:%d\tMask:%d\tSize:%dCap_size:%d\n",
- entry->hdr.type, entry->hdr.mask, size, entry->hdr.cap_size);
- dev_info(dev, "Aborting further dump capture\n");
- ret = 0;
- }
- return ret;
-}
-
-int qlcnic_dump_fw(struct qlcnic_adapter *adapter)
-{
- __le32 *buffer;
- char mesg[64];
- char *msg[] = {mesg, NULL};
- int i, k, ops_cnt, ops_index, dump_size = 0;
- u32 entry_offset, dump, no_entries, buf_offset = 0;
- struct qlcnic_dump_entry *entry;
- struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
- struct qlcnic_dump_template_hdr *tmpl_hdr = fw_dump->tmpl_hdr;
-
- if (fw_dump->clr) {
- dev_info(&adapter->pdev->dev,
- "Previous dump not cleared, not capturing dump\n");
- return -EIO;
- }
- /* Calculate the size for dump data area only */
- for (i = 2, k = 1; (i & QLCNIC_DUMP_MASK_MAX); i <<= 1, k++)
- if (i & tmpl_hdr->drv_cap_mask)
- dump_size += tmpl_hdr->cap_sizes[k];
- if (!dump_size)
- return -EIO;
-
- fw_dump->data = vzalloc(dump_size);
- if (!fw_dump->data) {
- dev_info(&adapter->pdev->dev,
- "Unable to allocate (%d KB) for fw dump\n",
- dump_size/1024);
- return -ENOMEM;
- }
- buffer = fw_dump->data;
- fw_dump->size = dump_size;
- no_entries = tmpl_hdr->num_entries;
- ops_cnt = ARRAY_SIZE(fw_dump_ops);
- entry_offset = tmpl_hdr->offset;
- tmpl_hdr->sys_info[0] = QLCNIC_DRIVER_VERSION;
- tmpl_hdr->sys_info[1] = adapter->fw_version;
-
- for (i = 0; i < no_entries; i++) {
- entry = (void *)tmpl_hdr + entry_offset;
- if (!(entry->hdr.mask & tmpl_hdr->drv_cap_mask)) {
- entry->hdr.flags |= QLCNIC_DUMP_SKIP;
- entry_offset += entry->hdr.offset;
- continue;
- }
- /* Find the handler for this entry */
- ops_index = 0;
- while (ops_index < ops_cnt) {
- if (entry->hdr.type == fw_dump_ops[ops_index].opcode)
- break;
- ops_index++;
- }
- if (ops_index == ops_cnt) {
- dev_info(&adapter->pdev->dev,
- "Invalid entry type %d, exiting dump\n",
- entry->hdr.type);
- goto error;
- }
- /* Collect dump for this entry */
- dump = fw_dump_ops[ops_index].handler(adapter, entry, buffer);
- if (dump && !qlcnic_valid_dump_entry(&adapter->pdev->dev, entry,
- dump))
- entry->hdr.flags |= QLCNIC_DUMP_SKIP;
- buf_offset += entry->hdr.cap_size;
- entry_offset += entry->hdr.offset;
- buffer = fw_dump->data + buf_offset;
- }
- if (dump_size != buf_offset) {
- dev_info(&adapter->pdev->dev,
- "Captured(%d) and expected size(%d) do not match\n",
- buf_offset, dump_size);
- goto error;
- } else {
- fw_dump->clr = 1;
- snprintf(mesg, sizeof(mesg), "FW_DUMP=%s",
- adapter->netdev->name);
- dev_info(&adapter->pdev->dev, "Dump data, %d bytes captured\n",
- fw_dump->size);
- /* Send a udev event to notify availability of FW dump */
- kobject_uevent_env(&adapter->pdev->dev.kobj, KOBJ_CHANGE, msg);
- return 0;
- }
-error:
- vfree(fw_dump->data);
- return -EINVAL;
-}