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OpenCloudOS-Kernel/drivers/scsi/qla2xxx/qla_tmpl.c

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29 KiB
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/*
* QLogic Fibre Channel HBA Driver
* Copyright (c) 2003-2014 QLogic Corporation
*
* See LICENSE.qla2xxx for copyright and licensing details.
*/
#include "qla_def.h"
#include "qla_tmpl.h"
#define ISPREG(vha) (&(vha)->hw->iobase->isp24)
#define IOBAR(reg) offsetof(typeof(*(reg)), iobase_addr)
#define IOBASE(vha) IOBAR(ISPREG(vha))
#define INVALID_ENTRY ((struct qla27xx_fwdt_entry *)0xffffffffffffffffUL)
static inline void
qla27xx_insert16(uint16_t value, void *buf, ulong *len)
{
if (buf) {
buf += *len;
*(__le16 *)buf = cpu_to_le16(value);
}
*len += sizeof(value);
}
static inline void
qla27xx_insert32(uint32_t value, void *buf, ulong *len)
{
if (buf) {
buf += *len;
*(__le32 *)buf = cpu_to_le32(value);
}
*len += sizeof(value);
}
static inline void
qla27xx_insertbuf(void *mem, ulong size, void *buf, ulong *len)
{
if (buf && mem && size) {
buf += *len;
memcpy(buf, mem, size);
}
*len += size;
}
static inline void
qla27xx_read8(void __iomem *window, void *buf, ulong *len)
{
uint8_t value = ~0;
if (buf) {
value = rd_reg_byte(window);
}
qla27xx_insert32(value, buf, len);
}
static inline void
qla27xx_read16(void __iomem *window, void *buf, ulong *len)
{
uint16_t value = ~0;
if (buf) {
value = rd_reg_word(window);
}
qla27xx_insert32(value, buf, len);
}
static inline void
qla27xx_read32(void __iomem *window, void *buf, ulong *len)
{
uint32_t value = ~0;
if (buf) {
value = rd_reg_dword(window);
}
qla27xx_insert32(value, buf, len);
}
static inline void (*qla27xx_read_vector(uint width))(void __iomem*, void *, ulong *)
{
return
(width == 1) ? qla27xx_read8 :
(width == 2) ? qla27xx_read16 :
qla27xx_read32;
}
static inline void
qla27xx_read_reg(__iomem struct device_reg_24xx *reg,
uint offset, void *buf, ulong *len)
{
void __iomem *window = (void __iomem *)reg + offset;
qla27xx_read32(window, buf, len);
}
static inline void
qla27xx_write_reg(__iomem struct device_reg_24xx *reg,
uint offset, uint32_t data, void *buf)
{
if (buf) {
void __iomem *window = (void __iomem *)reg + offset;
wrt_reg_dword(window, data);
}
}
static inline void
qla27xx_read_window(__iomem struct device_reg_24xx *reg,
uint32_t addr, uint offset, uint count, uint width, void *buf,
ulong *len)
{
void __iomem *window = (void __iomem *)reg + offset;
void (*readn)(void __iomem*, void *, ulong *) = qla27xx_read_vector(width);
qla27xx_write_reg(reg, IOBAR(reg), addr, buf);
while (count--) {
qla27xx_insert32(addr, buf, len);
readn(window, buf, len);
window += width;
addr++;
}
}
static inline void
qla27xx_skip_entry(struct qla27xx_fwdt_entry *ent, void *buf)
{
if (buf)
ent->hdr.driver_flags |= DRIVER_FLAG_SKIP_ENTRY;
}
static inline struct qla27xx_fwdt_entry *
qla27xx_next_entry(struct qla27xx_fwdt_entry *ent)
{
return (void *)ent + le32_to_cpu(ent->hdr.size);
}
static struct qla27xx_fwdt_entry *
qla27xx_fwdt_entry_t0(struct scsi_qla_host *vha,
struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
{
ql_dbg(ql_dbg_misc, vha, 0xd100,
"%s: nop [%lx]\n", __func__, *len);
qla27xx_skip_entry(ent, buf);
return qla27xx_next_entry(ent);
}
static struct qla27xx_fwdt_entry *
qla27xx_fwdt_entry_t255(struct scsi_qla_host *vha,
struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
{
ql_dbg(ql_dbg_misc, vha, 0xd1ff,
"%s: end [%lx]\n", __func__, *len);
qla27xx_skip_entry(ent, buf);
/* terminate */
return NULL;
}
static struct qla27xx_fwdt_entry *
qla27xx_fwdt_entry_t256(struct scsi_qla_host *vha,
struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
{
ulong addr = le32_to_cpu(ent->t256.base_addr);
uint offset = ent->t256.pci_offset;
ulong count = le16_to_cpu(ent->t256.reg_count);
uint width = ent->t256.reg_width;
ql_dbg(ql_dbg_misc, vha, 0xd200,
"%s: rdio t1 [%lx]\n", __func__, *len);
qla27xx_read_window(ISPREG(vha), addr, offset, count, width, buf, len);
return qla27xx_next_entry(ent);
}
static struct qla27xx_fwdt_entry *
qla27xx_fwdt_entry_t257(struct scsi_qla_host *vha,
struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
{
ulong addr = le32_to_cpu(ent->t257.base_addr);
uint offset = ent->t257.pci_offset;
ulong data = le32_to_cpu(ent->t257.write_data);
ql_dbg(ql_dbg_misc, vha, 0xd201,
"%s: wrio t1 [%lx]\n", __func__, *len);
qla27xx_write_reg(ISPREG(vha), IOBASE(vha), addr, buf);
qla27xx_write_reg(ISPREG(vha), offset, data, buf);
return qla27xx_next_entry(ent);
}
static struct qla27xx_fwdt_entry *
qla27xx_fwdt_entry_t258(struct scsi_qla_host *vha,
struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
{
uint banksel = ent->t258.banksel_offset;
ulong bank = le32_to_cpu(ent->t258.bank);
ulong addr = le32_to_cpu(ent->t258.base_addr);
uint offset = ent->t258.pci_offset;
uint count = le16_to_cpu(ent->t258.reg_count);
uint width = ent->t258.reg_width;
ql_dbg(ql_dbg_misc, vha, 0xd202,
"%s: rdio t2 [%lx]\n", __func__, *len);
qla27xx_write_reg(ISPREG(vha), banksel, bank, buf);
qla27xx_read_window(ISPREG(vha), addr, offset, count, width, buf, len);
return qla27xx_next_entry(ent);
}
static struct qla27xx_fwdt_entry *
qla27xx_fwdt_entry_t259(struct scsi_qla_host *vha,
struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
{
ulong addr = le32_to_cpu(ent->t259.base_addr);
uint banksel = ent->t259.banksel_offset;
ulong bank = le32_to_cpu(ent->t259.bank);
uint offset = ent->t259.pci_offset;
ulong data = le32_to_cpu(ent->t259.write_data);
ql_dbg(ql_dbg_misc, vha, 0xd203,
"%s: wrio t2 [%lx]\n", __func__, *len);
qla27xx_write_reg(ISPREG(vha), IOBASE(vha), addr, buf);
qla27xx_write_reg(ISPREG(vha), banksel, bank, buf);
qla27xx_write_reg(ISPREG(vha), offset, data, buf);
return qla27xx_next_entry(ent);
}
static struct qla27xx_fwdt_entry *
qla27xx_fwdt_entry_t260(struct scsi_qla_host *vha,
struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
{
uint offset = ent->t260.pci_offset;
ql_dbg(ql_dbg_misc, vha, 0xd204,
"%s: rdpci [%lx]\n", __func__, *len);
qla27xx_insert32(offset, buf, len);
qla27xx_read_reg(ISPREG(vha), offset, buf, len);
return qla27xx_next_entry(ent);
}
static struct qla27xx_fwdt_entry *
qla27xx_fwdt_entry_t261(struct scsi_qla_host *vha,
struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
{
uint offset = ent->t261.pci_offset;
ulong data = le32_to_cpu(ent->t261.write_data);
ql_dbg(ql_dbg_misc, vha, 0xd205,
"%s: wrpci [%lx]\n", __func__, *len);
qla27xx_write_reg(ISPREG(vha), offset, data, buf);
return qla27xx_next_entry(ent);
}
static struct qla27xx_fwdt_entry *
qla27xx_fwdt_entry_t262(struct scsi_qla_host *vha,
struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
{
uint area = ent->t262.ram_area;
ulong start = le32_to_cpu(ent->t262.start_addr);
ulong end = le32_to_cpu(ent->t262.end_addr);
ulong dwords;
int rc;
ql_dbg(ql_dbg_misc, vha, 0xd206,
"%s: rdram(%x) [%lx]\n", __func__, ent->t262.ram_area, *len);
if (area == T262_RAM_AREA_CRITICAL_RAM) {
;
} else if (area == T262_RAM_AREA_EXTERNAL_RAM) {
end = vha->hw->fw_memory_size;
if (buf)
ent->t262.end_addr = cpu_to_le32(end);
} else if (area == T262_RAM_AREA_SHARED_RAM) {
start = vha->hw->fw_shared_ram_start;
end = vha->hw->fw_shared_ram_end;
if (buf) {
ent->t262.start_addr = cpu_to_le32(start);
ent->t262.end_addr = cpu_to_le32(end);
}
} else if (area == T262_RAM_AREA_DDR_RAM) {
start = vha->hw->fw_ddr_ram_start;
end = vha->hw->fw_ddr_ram_end;
if (buf) {
ent->t262.start_addr = cpu_to_le32(start);
ent->t262.end_addr = cpu_to_le32(end);
}
} else if (area == T262_RAM_AREA_MISC) {
if (buf) {
ent->t262.start_addr = cpu_to_le32(start);
ent->t262.end_addr = cpu_to_le32(end);
}
} else {
ql_dbg(ql_dbg_misc, vha, 0xd022,
"%s: unknown area %x\n", __func__, area);
qla27xx_skip_entry(ent, buf);
goto done;
}
if (end < start || start == 0 || end == 0) {
ql_dbg(ql_dbg_misc, vha, 0xd023,
"%s: unusable range (start=%lx end=%lx)\n",
__func__, start, end);
qla27xx_skip_entry(ent, buf);
goto done;
}
dwords = end - start + 1;
if (buf) {
buf += *len;
rc = qla24xx_dump_ram(vha->hw, start, buf, dwords, &buf);
if (rc != QLA_SUCCESS) {
ql_dbg(ql_dbg_async, vha, 0xffff,
"%s: dump ram MB failed. Area %xh start %lxh end %lxh\n",
__func__, area, start, end);
return INVALID_ENTRY;
}
}
*len += dwords * sizeof(uint32_t);
done:
return qla27xx_next_entry(ent);
}
static struct qla27xx_fwdt_entry *
qla27xx_fwdt_entry_t263(struct scsi_qla_host *vha,
struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
{
uint type = ent->t263.queue_type;
uint count = 0;
uint i;
uint length;
ql_dbg(ql_dbg_misc + ql_dbg_verbose, vha, 0xd207,
"%s: getq(%x) [%lx]\n", __func__, type, *len);
if (type == T263_QUEUE_TYPE_REQ) {
for (i = 0; i < vha->hw->max_req_queues; i++) {
struct req_que *req = vha->hw->req_q_map[i];
if (req || !buf) {
length = req ?
req->length : REQUEST_ENTRY_CNT_24XX;
qla27xx_insert16(i, buf, len);
qla27xx_insert16(length, buf, len);
qla27xx_insertbuf(req ? req->ring : NULL,
length * sizeof(*req->ring), buf, len);
count++;
}
}
} else if (type == T263_QUEUE_TYPE_RSP) {
for (i = 0; i < vha->hw->max_rsp_queues; i++) {
struct rsp_que *rsp = vha->hw->rsp_q_map[i];
if (rsp || !buf) {
length = rsp ?
rsp->length : RESPONSE_ENTRY_CNT_MQ;
qla27xx_insert16(i, buf, len);
qla27xx_insert16(length, buf, len);
qla27xx_insertbuf(rsp ? rsp->ring : NULL,
length * sizeof(*rsp->ring), buf, len);
count++;
}
}
} else if (QLA_TGT_MODE_ENABLED() &&
ent->t263.queue_type == T263_QUEUE_TYPE_ATIO) {
struct qla_hw_data *ha = vha->hw;
struct atio *atr = ha->tgt.atio_ring;
if (atr || !buf) {
length = ha->tgt.atio_q_length;
qla27xx_insert16(0, buf, len);
qla27xx_insert16(length, buf, len);
qla27xx_insertbuf(atr, length * sizeof(*atr), buf, len);
count++;
}
} else {
ql_dbg(ql_dbg_misc, vha, 0xd026,
"%s: unknown queue %x\n", __func__, type);
qla27xx_skip_entry(ent, buf);
}
if (buf) {
if (count)
ent->t263.num_queues = count;
else
qla27xx_skip_entry(ent, buf);
}
return qla27xx_next_entry(ent);
}
static struct qla27xx_fwdt_entry *
qla27xx_fwdt_entry_t264(struct scsi_qla_host *vha,
struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
{
ql_dbg(ql_dbg_misc, vha, 0xd208,
"%s: getfce [%lx]\n", __func__, *len);
if (vha->hw->fce) {
if (buf) {
ent->t264.fce_trace_size = FCE_SIZE;
ent->t264.write_pointer = vha->hw->fce_wr;
ent->t264.base_pointer = vha->hw->fce_dma;
ent->t264.fce_enable_mb0 = vha->hw->fce_mb[0];
ent->t264.fce_enable_mb2 = vha->hw->fce_mb[2];
ent->t264.fce_enable_mb3 = vha->hw->fce_mb[3];
ent->t264.fce_enable_mb4 = vha->hw->fce_mb[4];
ent->t264.fce_enable_mb5 = vha->hw->fce_mb[5];
ent->t264.fce_enable_mb6 = vha->hw->fce_mb[6];
}
qla27xx_insertbuf(vha->hw->fce, FCE_SIZE, buf, len);
} else {
ql_dbg(ql_dbg_misc, vha, 0xd027,
"%s: missing fce\n", __func__);
qla27xx_skip_entry(ent, buf);
}
return qla27xx_next_entry(ent);
}
static struct qla27xx_fwdt_entry *
qla27xx_fwdt_entry_t265(struct scsi_qla_host *vha,
struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
{
ql_dbg(ql_dbg_misc + ql_dbg_verbose, vha, 0xd209,
"%s: pause risc [%lx]\n", __func__, *len);
if (buf)
qla24xx_pause_risc(ISPREG(vha), vha->hw);
return qla27xx_next_entry(ent);
}
static struct qla27xx_fwdt_entry *
qla27xx_fwdt_entry_t266(struct scsi_qla_host *vha,
struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
{
ql_dbg(ql_dbg_misc, vha, 0xd20a,
"%s: reset risc [%lx]\n", __func__, *len);
if (buf)
WARN_ON_ONCE(qla24xx_soft_reset(vha->hw) != QLA_SUCCESS);
return qla27xx_next_entry(ent);
}
static struct qla27xx_fwdt_entry *
qla27xx_fwdt_entry_t267(struct scsi_qla_host *vha,
struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
{
uint offset = ent->t267.pci_offset;
ulong data = le32_to_cpu(ent->t267.data);
ql_dbg(ql_dbg_misc, vha, 0xd20b,
"%s: dis intr [%lx]\n", __func__, *len);
qla27xx_write_reg(ISPREG(vha), offset, data, buf);
return qla27xx_next_entry(ent);
}
static struct qla27xx_fwdt_entry *
qla27xx_fwdt_entry_t268(struct scsi_qla_host *vha,
struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
{
ql_dbg(ql_dbg_misc, vha, 0xd20c,
"%s: gethb(%x) [%lx]\n", __func__, ent->t268.buf_type, *len);
switch (ent->t268.buf_type) {
case T268_BUF_TYPE_EXTD_TRACE:
if (vha->hw->eft) {
if (buf) {
ent->t268.buf_size = EFT_SIZE;
ent->t268.start_addr = vha->hw->eft_dma;
}
qla27xx_insertbuf(vha->hw->eft, EFT_SIZE, buf, len);
} else {
ql_dbg(ql_dbg_misc, vha, 0xd028,
"%s: missing eft\n", __func__);
qla27xx_skip_entry(ent, buf);
}
break;
case T268_BUF_TYPE_EXCH_BUFOFF:
if (vha->hw->exchoffld_buf) {
if (buf) {
ent->t268.buf_size = vha->hw->exchoffld_size;
ent->t268.start_addr =
vha->hw->exchoffld_buf_dma;
}
qla27xx_insertbuf(vha->hw->exchoffld_buf,
vha->hw->exchoffld_size, buf, len);
} else {
ql_dbg(ql_dbg_misc, vha, 0xd028,
"%s: missing exch offld\n", __func__);
qla27xx_skip_entry(ent, buf);
}
break;
case T268_BUF_TYPE_EXTD_LOGIN:
if (vha->hw->exlogin_buf) {
if (buf) {
ent->t268.buf_size = vha->hw->exlogin_size;
ent->t268.start_addr =
vha->hw->exlogin_buf_dma;
}
qla27xx_insertbuf(vha->hw->exlogin_buf,
vha->hw->exlogin_size, buf, len);
} else {
ql_dbg(ql_dbg_misc, vha, 0xd028,
"%s: missing ext login\n", __func__);
qla27xx_skip_entry(ent, buf);
}
break;
case T268_BUF_TYPE_REQ_MIRROR:
case T268_BUF_TYPE_RSP_MIRROR:
/*
* Mirror pointers are not implemented in the
* driver, instead shadow pointers are used by
* the drier. Skip these entries.
*/
qla27xx_skip_entry(ent, buf);
break;
default:
ql_dbg(ql_dbg_async, vha, 0xd02b,
"%s: unknown buffer %x\n", __func__, ent->t268.buf_type);
qla27xx_skip_entry(ent, buf);
break;
}
return qla27xx_next_entry(ent);
}
static struct qla27xx_fwdt_entry *
qla27xx_fwdt_entry_t269(struct scsi_qla_host *vha,
struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
{
ql_dbg(ql_dbg_misc, vha, 0xd20d,
"%s: scratch [%lx]\n", __func__, *len);
qla27xx_insert32(0xaaaaaaaa, buf, len);
qla27xx_insert32(0xbbbbbbbb, buf, len);
qla27xx_insert32(0xcccccccc, buf, len);
qla27xx_insert32(0xdddddddd, buf, len);
qla27xx_insert32(*len + sizeof(uint32_t), buf, len);
if (buf)
ent->t269.scratch_size = 5 * sizeof(uint32_t);
return qla27xx_next_entry(ent);
}
static struct qla27xx_fwdt_entry *
qla27xx_fwdt_entry_t270(struct scsi_qla_host *vha,
struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
{
ulong addr = le32_to_cpu(ent->t270.addr);
ulong dwords = le32_to_cpu(ent->t270.count);
ql_dbg(ql_dbg_misc, vha, 0xd20e,
"%s: rdremreg [%lx]\n", __func__, *len);
qla27xx_write_reg(ISPREG(vha), IOBASE_ADDR, 0x40, buf);
while (dwords--) {
qla27xx_write_reg(ISPREG(vha), 0xc0, addr|0x80000000, buf);
qla27xx_insert32(addr, buf, len);
qla27xx_read_reg(ISPREG(vha), 0xc4, buf, len);
addr += sizeof(uint32_t);
}
return qla27xx_next_entry(ent);
}
static struct qla27xx_fwdt_entry *
qla27xx_fwdt_entry_t271(struct scsi_qla_host *vha,
struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
{
ulong addr = le32_to_cpu(ent->t271.addr);
ulong data = le32_to_cpu(ent->t271.data);
ql_dbg(ql_dbg_misc, vha, 0xd20f,
"%s: wrremreg [%lx]\n", __func__, *len);
qla27xx_write_reg(ISPREG(vha), IOBASE(vha), 0x40, buf);
qla27xx_write_reg(ISPREG(vha), 0xc4, data, buf);
qla27xx_write_reg(ISPREG(vha), 0xc0, addr, buf);
return qla27xx_next_entry(ent);
}
static struct qla27xx_fwdt_entry *
qla27xx_fwdt_entry_t272(struct scsi_qla_host *vha,
struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
{
ulong dwords = le32_to_cpu(ent->t272.count);
ulong start = le32_to_cpu(ent->t272.addr);
ql_dbg(ql_dbg_misc, vha, 0xd210,
"%s: rdremram [%lx]\n", __func__, *len);
if (buf) {
ql_dbg(ql_dbg_misc, vha, 0xd02c,
"%s: @%lx -> (%lx dwords)\n", __func__, start, dwords);
buf += *len;
qla27xx_dump_mpi_ram(vha->hw, start, buf, dwords, &buf);
}
*len += dwords * sizeof(uint32_t);
return qla27xx_next_entry(ent);
}
static struct qla27xx_fwdt_entry *
qla27xx_fwdt_entry_t273(struct scsi_qla_host *vha,
struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
{
ulong dwords = le32_to_cpu(ent->t273.count);
ulong addr = le32_to_cpu(ent->t273.addr);
uint32_t value;
ql_dbg(ql_dbg_misc, vha, 0xd211,
"%s: pcicfg [%lx]\n", __func__, *len);
while (dwords--) {
value = ~0;
if (pci_read_config_dword(vha->hw->pdev, addr, &value))
ql_dbg(ql_dbg_misc, vha, 0xd02d,
"%s: failed pcicfg read at %lx\n", __func__, addr);
qla27xx_insert32(addr, buf, len);
qla27xx_insert32(value, buf, len);
addr += sizeof(uint32_t);
}
return qla27xx_next_entry(ent);
}
static struct qla27xx_fwdt_entry *
qla27xx_fwdt_entry_t274(struct scsi_qla_host *vha,
struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
{
ulong type = ent->t274.queue_type;
uint count = 0;
uint i;
ql_dbg(ql_dbg_misc + ql_dbg_verbose, vha, 0xd212,
"%s: getqsh(%lx) [%lx]\n", __func__, type, *len);
if (type == T274_QUEUE_TYPE_REQ_SHAD) {
for (i = 0; i < vha->hw->max_req_queues; i++) {
struct req_que *req = vha->hw->req_q_map[i];
if (req || !buf) {
qla27xx_insert16(i, buf, len);
qla27xx_insert16(1, buf, len);
qla27xx_insert32(req && req->out_ptr ?
*req->out_ptr : 0, buf, len);
count++;
}
}
} else if (type == T274_QUEUE_TYPE_RSP_SHAD) {
for (i = 0; i < vha->hw->max_rsp_queues; i++) {
struct rsp_que *rsp = vha->hw->rsp_q_map[i];
if (rsp || !buf) {
qla27xx_insert16(i, buf, len);
qla27xx_insert16(1, buf, len);
qla27xx_insert32(rsp && rsp->in_ptr ?
*rsp->in_ptr : 0, buf, len);
count++;
}
}
} else if (QLA_TGT_MODE_ENABLED() &&
ent->t274.queue_type == T274_QUEUE_TYPE_ATIO_SHAD) {
struct qla_hw_data *ha = vha->hw;
struct atio *atr = ha->tgt.atio_ring_ptr;
if (atr || !buf) {
qla27xx_insert16(0, buf, len);
qla27xx_insert16(1, buf, len);
qla27xx_insert32(ha->tgt.atio_q_in ?
readl(ha->tgt.atio_q_in) : 0, buf, len);
count++;
}
} else {
ql_dbg(ql_dbg_misc, vha, 0xd02f,
"%s: unknown queue %lx\n", __func__, type);
qla27xx_skip_entry(ent, buf);
}
if (buf) {
if (count)
ent->t274.num_queues = count;
else
qla27xx_skip_entry(ent, buf);
}
return qla27xx_next_entry(ent);
}
static struct qla27xx_fwdt_entry *
qla27xx_fwdt_entry_t275(struct scsi_qla_host *vha,
struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
{
ulong offset = offsetof(typeof(*ent), t275.buffer);
ulong length = le32_to_cpu(ent->t275.length);
ulong size = le32_to_cpu(ent->hdr.size);
void *buffer = ent->t275.buffer;
ql_dbg(ql_dbg_misc + ql_dbg_verbose, vha, 0xd213,
"%s: buffer(%lx) [%lx]\n", __func__, length, *len);
if (!length) {
ql_dbg(ql_dbg_misc, vha, 0xd020,
"%s: buffer zero length\n", __func__);
qla27xx_skip_entry(ent, buf);
goto done;
}
if (offset + length > size) {
length = size - offset;
ql_dbg(ql_dbg_misc, vha, 0xd030,
"%s: buffer overflow, truncate [%lx]\n", __func__, length);
ent->t275.length = cpu_to_le32(length);
}
qla27xx_insertbuf(buffer, length, buf, len);
done:
return qla27xx_next_entry(ent);
}
static struct qla27xx_fwdt_entry *
qla27xx_fwdt_entry_t276(struct scsi_qla_host *vha,
struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
{
ql_dbg(ql_dbg_misc + ql_dbg_verbose, vha, 0xd214,
"%s: cond [%lx]\n", __func__, *len);
if (buf) {
ulong cond1 = le32_to_cpu(ent->t276.cond1);
ulong cond2 = le32_to_cpu(ent->t276.cond2);
uint type = vha->hw->pdev->device >> 4 & 0xf;
uint func = vha->hw->port_no & 0x3;
if (type != cond1 || func != cond2) {
struct qla27xx_fwdt_template *tmp = buf;
tmp->count--;
ent = qla27xx_next_entry(ent);
qla27xx_skip_entry(ent, buf);
}
}
return qla27xx_next_entry(ent);
}
static struct qla27xx_fwdt_entry *
qla27xx_fwdt_entry_t277(struct scsi_qla_host *vha,
struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
{
ulong cmd_addr = le32_to_cpu(ent->t277.cmd_addr);
ulong wr_cmd_data = le32_to_cpu(ent->t277.wr_cmd_data);
ulong data_addr = le32_to_cpu(ent->t277.data_addr);
ql_dbg(ql_dbg_misc + ql_dbg_verbose, vha, 0xd215,
"%s: rdpep [%lx]\n", __func__, *len);
qla27xx_insert32(wr_cmd_data, buf, len);
qla27xx_write_reg(ISPREG(vha), cmd_addr, wr_cmd_data, buf);
qla27xx_read_reg(ISPREG(vha), data_addr, buf, len);
return qla27xx_next_entry(ent);
}
static struct qla27xx_fwdt_entry *
qla27xx_fwdt_entry_t278(struct scsi_qla_host *vha,
struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
{
ulong cmd_addr = le32_to_cpu(ent->t278.cmd_addr);
ulong wr_cmd_data = le32_to_cpu(ent->t278.wr_cmd_data);
ulong data_addr = le32_to_cpu(ent->t278.data_addr);
ulong wr_data = le32_to_cpu(ent->t278.wr_data);
ql_dbg(ql_dbg_misc + ql_dbg_verbose, vha, 0xd216,
"%s: wrpep [%lx]\n", __func__, *len);
qla27xx_write_reg(ISPREG(vha), data_addr, wr_data, buf);
qla27xx_write_reg(ISPREG(vha), cmd_addr, wr_cmd_data, buf);
return qla27xx_next_entry(ent);
}
static struct qla27xx_fwdt_entry *
qla27xx_fwdt_entry_other(struct scsi_qla_host *vha,
struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
{
ulong type = le32_to_cpu(ent->hdr.type);
ql_dbg(ql_dbg_misc, vha, 0xd2ff,
"%s: other %lx [%lx]\n", __func__, type, *len);
qla27xx_skip_entry(ent, buf);
return qla27xx_next_entry(ent);
}
static struct {
uint type;
typeof(qla27xx_fwdt_entry_other)(*call);
} qla27xx_fwdt_entry_call[] = {
{ ENTRY_TYPE_NOP, qla27xx_fwdt_entry_t0 },
{ ENTRY_TYPE_TMP_END, qla27xx_fwdt_entry_t255 },
{ ENTRY_TYPE_RD_IOB_T1, qla27xx_fwdt_entry_t256 },
{ ENTRY_TYPE_WR_IOB_T1, qla27xx_fwdt_entry_t257 },
{ ENTRY_TYPE_RD_IOB_T2, qla27xx_fwdt_entry_t258 },
{ ENTRY_TYPE_WR_IOB_T2, qla27xx_fwdt_entry_t259 },
{ ENTRY_TYPE_RD_PCI, qla27xx_fwdt_entry_t260 },
{ ENTRY_TYPE_WR_PCI, qla27xx_fwdt_entry_t261 },
{ ENTRY_TYPE_RD_RAM, qla27xx_fwdt_entry_t262 },
{ ENTRY_TYPE_GET_QUEUE, qla27xx_fwdt_entry_t263 },
{ ENTRY_TYPE_GET_FCE, qla27xx_fwdt_entry_t264 },
{ ENTRY_TYPE_PSE_RISC, qla27xx_fwdt_entry_t265 },
{ ENTRY_TYPE_RST_RISC, qla27xx_fwdt_entry_t266 },
{ ENTRY_TYPE_DIS_INTR, qla27xx_fwdt_entry_t267 },
{ ENTRY_TYPE_GET_HBUF, qla27xx_fwdt_entry_t268 },
{ ENTRY_TYPE_SCRATCH, qla27xx_fwdt_entry_t269 },
{ ENTRY_TYPE_RDREMREG, qla27xx_fwdt_entry_t270 },
{ ENTRY_TYPE_WRREMREG, qla27xx_fwdt_entry_t271 },
{ ENTRY_TYPE_RDREMRAM, qla27xx_fwdt_entry_t272 },
{ ENTRY_TYPE_PCICFG, qla27xx_fwdt_entry_t273 },
{ ENTRY_TYPE_GET_SHADOW, qla27xx_fwdt_entry_t274 },
{ ENTRY_TYPE_WRITE_BUF, qla27xx_fwdt_entry_t275 },
{ ENTRY_TYPE_CONDITIONAL, qla27xx_fwdt_entry_t276 },
{ ENTRY_TYPE_RDPEPREG, qla27xx_fwdt_entry_t277 },
{ ENTRY_TYPE_WRPEPREG, qla27xx_fwdt_entry_t278 },
{ -1, qla27xx_fwdt_entry_other }
};
static inline
typeof(qla27xx_fwdt_entry_call->call)(qla27xx_find_entry(uint type))
{
typeof(*qla27xx_fwdt_entry_call) *list = qla27xx_fwdt_entry_call;
while (list->type < type)
list++;
if (list->type == type)
return list->call;
return qla27xx_fwdt_entry_other;
}
static void
qla27xx_walk_template(struct scsi_qla_host *vha,
struct qla27xx_fwdt_template *tmp, void *buf, ulong *len)
{
struct qla27xx_fwdt_entry *ent = (void *)tmp +
le32_to_cpu(tmp->entry_offset);
ulong type;
tmp->count = le32_to_cpu(tmp->entry_count);
ql_dbg(ql_dbg_misc, vha, 0xd01a,
"%s: entry count %u\n", __func__, tmp->count);
while (ent && tmp->count--) {
type = le32_to_cpu(ent->hdr.type);
ent = qla27xx_find_entry(type)(vha, ent, buf, len);
if (!ent)
break;
if (ent == INVALID_ENTRY) {
*len = 0;
ql_dbg(ql_dbg_async, vha, 0xffff,
"Unable to capture FW dump");
goto bailout;
}
}
if (tmp->count)
ql_dbg(ql_dbg_misc, vha, 0xd018,
"%s: entry count residual=+%u\n", __func__, tmp->count);
if (ent)
ql_dbg(ql_dbg_misc, vha, 0xd019,
"%s: missing end entry\n", __func__);
bailout:
cpu_to_le32s(&tmp->count); /* endianize residual count */
}
static void
qla27xx_time_stamp(struct qla27xx_fwdt_template *tmp)
{
tmp->capture_timestamp = cpu_to_le32(jiffies);
}
static void
qla27xx_driver_info(struct qla27xx_fwdt_template *tmp)
{
uint8_t v[] = { 0, 0, 0, 0, 0, 0 };
WARN_ON_ONCE(sscanf(qla2x00_version_str,
"%hhu.%hhu.%hhu.%hhu",
v + 0, v + 1, v + 2, v + 3) != 4);
tmp->driver_info[0] = cpu_to_le32(
v[3] << 24 | v[2] << 16 | v[1] << 8 | v[0]);
tmp->driver_info[1] = cpu_to_le32(v[5] << 8 | v[4]);
tmp->driver_info[2] = __constant_cpu_to_le32(0x12345678);
}
static void
qla27xx_firmware_info(struct scsi_qla_host *vha,
struct qla27xx_fwdt_template *tmp)
{
tmp->firmware_version[0] = cpu_to_le32(vha->hw->fw_major_version);
tmp->firmware_version[1] = cpu_to_le32(vha->hw->fw_minor_version);
tmp->firmware_version[2] = cpu_to_le32(vha->hw->fw_subminor_version);
tmp->firmware_version[3] = cpu_to_le32(
vha->hw->fw_attributes_h << 16 | vha->hw->fw_attributes);
tmp->firmware_version[4] = cpu_to_le32(
vha->hw->fw_attributes_ext[1] << 16 | vha->hw->fw_attributes_ext[0]);
}
static void
ql27xx_edit_template(struct scsi_qla_host *vha,
struct qla27xx_fwdt_template *tmp)
{
qla27xx_time_stamp(tmp);
qla27xx_driver_info(tmp);
qla27xx_firmware_info(vha, tmp);
}
static inline uint32_t
qla27xx_template_checksum(void *p, ulong size)
{
__le32 *buf = p;
uint64_t sum = 0;
size /= sizeof(*buf);
for ( ; size--; buf++)
sum += le32_to_cpu(*buf);
sum = (sum & 0xffffffff) + (sum >> 32);
return ~sum;
}
static inline int
qla27xx_verify_template_checksum(struct qla27xx_fwdt_template *tmp)
{
return qla27xx_template_checksum(tmp, tmp->template_size) == 0;
}
static inline int
qla27xx_verify_template_header(struct qla27xx_fwdt_template *tmp)
{
return le32_to_cpu(tmp->template_type) == TEMPLATE_TYPE_FWDUMP;
}
static ulong
qla27xx_execute_fwdt_template(struct scsi_qla_host *vha,
struct qla27xx_fwdt_template *tmp, void *buf)
{
ulong len = 0;
if (qla27xx_fwdt_template_valid(tmp)) {
len = tmp->template_size;
tmp = memcpy(buf, tmp, len);
ql27xx_edit_template(vha, tmp);
qla27xx_walk_template(vha, tmp, buf, &len);
}
return len;
}
ulong
qla27xx_fwdt_calculate_dump_size(struct scsi_qla_host *vha, void *p)
{
struct qla27xx_fwdt_template *tmp = p;
ulong len = 0;
if (qla27xx_fwdt_template_valid(tmp)) {
len = tmp->template_size;
qla27xx_walk_template(vha, tmp, NULL, &len);
}
return len;
}
ulong
qla27xx_fwdt_template_size(void *p)
{
struct qla27xx_fwdt_template *tmp = p;
return tmp->template_size;
}
int
qla27xx_fwdt_template_valid(void *p)
{
struct qla27xx_fwdt_template *tmp = p;
if (!qla27xx_verify_template_header(tmp)) {
ql_log(ql_log_warn, NULL, 0xd01c,
"%s: template type %x\n", __func__,
le32_to_cpu(tmp->template_type));
return false;
}
if (!qla27xx_verify_template_checksum(tmp)) {
ql_log(ql_log_warn, NULL, 0xd01d,
"%s: failed template checksum\n", __func__);
return false;
}
return true;
}
void
qla27xx_mpi_fwdump(scsi_qla_host_t *vha, int hardware_locked)
{
ulong flags = 0;
#ifndef __CHECKER__
if (!hardware_locked)
spin_lock_irqsave(&vha->hw->hardware_lock, flags);
#endif
if (!vha->hw->mpi_fw_dump) {
ql_log(ql_log_warn, vha, 0x02f3, "-> mpi_fwdump no buffer\n");
} else {
struct fwdt *fwdt = &vha->hw->fwdt[1];
ulong len;
void *buf = vha->hw->mpi_fw_dump;
bool walk_template_only = false;
if (vha->hw->mpi_fw_dumped) {
/* Use the spare area for any further dumps. */
buf += fwdt->dump_size;
walk_template_only = true;
ql_log(ql_log_warn, vha, 0x02f4,
"-> MPI firmware already dumped -- dump saving to temporary buffer %p.\n",
buf);
}
ql_log(ql_log_warn, vha, 0x02f5, "-> fwdt1 running...\n");
if (!fwdt->template) {
ql_log(ql_log_warn, vha, 0x02f6,
"-> fwdt1 no template\n");
goto bailout;
}
len = qla27xx_execute_fwdt_template(vha, fwdt->template, buf);
if (len == 0) {
goto bailout;
} else if (len != fwdt->dump_size) {
ql_log(ql_log_warn, vha, 0x02f7,
"-> fwdt1 fwdump residual=%+ld\n",
fwdt->dump_size - len);
}
vha->hw->stat.num_mpi_reset++;
if (walk_template_only)
goto bailout;
vha->hw->mpi_fw_dump_len = len;
vha->hw->mpi_fw_dumped = 1;
ql_log(ql_log_warn, vha, 0x02f8,
"-> MPI firmware dump saved to buffer (%lu/%p)\n",
vha->host_no, vha->hw->mpi_fw_dump);
qla2x00_post_uevent_work(vha, QLA_UEVENT_CODE_FW_DUMP);
}
bailout:
#ifndef __CHECKER__
if (!hardware_locked)
spin_unlock_irqrestore(&vha->hw->hardware_lock, flags);
#endif
}
void
qla27xx_fwdump(scsi_qla_host_t *vha)
{
lockdep_assert_held(&vha->hw->hardware_lock);
if (!vha->hw->fw_dump) {
ql_log(ql_log_warn, vha, 0xd01e, "-> fwdump no buffer\n");
} else if (vha->hw->fw_dumped) {
ql_log(ql_log_warn, vha, 0xd01f,
"-> Firmware already dumped (%p) -- ignoring request\n",
vha->hw->fw_dump);
} else {
struct fwdt *fwdt = vha->hw->fwdt;
ulong len;
void *buf = vha->hw->fw_dump;
ql_log(ql_log_warn, vha, 0xd011, "-> fwdt0 running...\n");
if (!fwdt->template) {
ql_log(ql_log_warn, vha, 0xd012,
"-> fwdt0 no template\n");
return;
}
len = qla27xx_execute_fwdt_template(vha, fwdt->template, buf);
if (len == 0) {
return;
} else if (len != fwdt->dump_size) {
ql_log(ql_log_warn, vha, 0xd013,
"-> fwdt0 fwdump residual=%+ld\n",
fwdt->dump_size - len);
}
vha->hw->fw_dump_len = len;
vha->hw->fw_dumped = true;
ql_log(ql_log_warn, vha, 0xd015,
"-> Firmware dump saved to buffer (%lu/%p) <%lx>\n",
vha->host_no, vha->hw->fw_dump, vha->hw->fw_dump_cap_flags);
qla2x00_post_uevent_work(vha, QLA_UEVENT_CODE_FW_DUMP);
}
}
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