Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / scsi / qla2xxx / qla_tmpl.c
diff --git a/kernel/drivers/scsi/qla2xxx/qla_tmpl.c b/kernel/drivers/scsi/qla2xxx/qla_tmpl.c
new file mode 100644 (file)
index 0000000..962cb89
--- /dev/null
@@ -0,0 +1,959 @@
+/*
+ * 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"
+
+/* note default template is in big endian */
+static const uint32_t ql27xx_fwdt_default_template[] = {
+       0x63000000, 0xa4000000, 0x7c050000, 0x00000000,
+       0x30000000, 0x01000000, 0x00000000, 0xc0406eb4,
+       0x00000000, 0x00000000, 0x00000000, 0x00000000,
+       0x00000000, 0x00000000, 0x00000000, 0x00000000,
+       0x00000000, 0x00000000, 0x00000000, 0x00000000,
+       0x00000000, 0x00000000, 0x00000000, 0x00000000,
+       0x00000000, 0x00000000, 0x00000000, 0x00000000,
+       0x00000000, 0x00000000, 0x00000000, 0x00000000,
+       0x00000000, 0x00000000, 0x00000000, 0x00000000,
+       0x00000000, 0x00000000, 0x00000000, 0x00000000,
+       0x00000000, 0x04010000, 0x14000000, 0x00000000,
+       0x02000000, 0x44000000, 0x09010000, 0x10000000,
+       0x00000000, 0x02000000, 0x01010000, 0x1c000000,
+       0x00000000, 0x02000000, 0x00600000, 0x00000000,
+       0xc0000000, 0x01010000, 0x1c000000, 0x00000000,
+       0x02000000, 0x00600000, 0x00000000, 0xcc000000,
+       0x01010000, 0x1c000000, 0x00000000, 0x02000000,
+       0x10600000, 0x00000000, 0xd4000000, 0x01010000,
+       0x1c000000, 0x00000000, 0x02000000, 0x700f0000,
+       0x00000060, 0xf0000000, 0x00010000, 0x18000000,
+       0x00000000, 0x02000000, 0x00700000, 0x041000c0,
+       0x00010000, 0x18000000, 0x00000000, 0x02000000,
+       0x10700000, 0x041000c0, 0x00010000, 0x18000000,
+       0x00000000, 0x02000000, 0x40700000, 0x041000c0,
+       0x01010000, 0x1c000000, 0x00000000, 0x02000000,
+       0x007c0000, 0x01000000, 0xc0000000, 0x00010000,
+       0x18000000, 0x00000000, 0x02000000, 0x007c0000,
+       0x040300c4, 0x00010000, 0x18000000, 0x00000000,
+       0x02000000, 0x007c0000, 0x040100c0, 0x01010000,
+       0x1c000000, 0x00000000, 0x02000000, 0x007c0000,
+       0x00000000, 0xc0000000, 0x00010000, 0x18000000,
+       0x00000000, 0x02000000, 0x007c0000, 0x04200000,
+       0x0b010000, 0x18000000, 0x00000000, 0x02000000,
+       0x0c000000, 0x00000000, 0x02010000, 0x20000000,
+       0x00000000, 0x02000000, 0x700f0000, 0x040100fc,
+       0xf0000000, 0x000000b0, 0x02010000, 0x20000000,
+       0x00000000, 0x02000000, 0x700f0000, 0x040100fc,
+       0xf0000000, 0x000010b0, 0x02010000, 0x20000000,
+       0x00000000, 0x02000000, 0x700f0000, 0x040100fc,
+       0xf0000000, 0x000020b0, 0x02010000, 0x20000000,
+       0x00000000, 0x02000000, 0x700f0000, 0x040100fc,
+       0xf0000000, 0x000030b0, 0x02010000, 0x20000000,
+       0x00000000, 0x02000000, 0x700f0000, 0x040100fc,
+       0xf0000000, 0x000040b0, 0x02010000, 0x20000000,
+       0x00000000, 0x02000000, 0x700f0000, 0x040100fc,
+       0xf0000000, 0x000050b0, 0x02010000, 0x20000000,
+       0x00000000, 0x02000000, 0x700f0000, 0x040100fc,
+       0xf0000000, 0x000060b0, 0x02010000, 0x20000000,
+       0x00000000, 0x02000000, 0x700f0000, 0x040100fc,
+       0xf0000000, 0x000070b0, 0x02010000, 0x20000000,
+       0x00000000, 0x02000000, 0x700f0000, 0x040100fc,
+       0xf0000000, 0x000080b0, 0x02010000, 0x20000000,
+       0x00000000, 0x02000000, 0x700f0000, 0x040100fc,
+       0xf0000000, 0x000090b0, 0x02010000, 0x20000000,
+       0x00000000, 0x02000000, 0x700f0000, 0x040100fc,
+       0xf0000000, 0x0000a0b0, 0x00010000, 0x18000000,
+       0x00000000, 0x02000000, 0x0a000000, 0x040100c0,
+       0x00010000, 0x18000000, 0x00000000, 0x02000000,
+       0x0a000000, 0x04200080, 0x00010000, 0x18000000,
+       0x00000000, 0x02000000, 0x00be0000, 0x041000c0,
+       0x00010000, 0x18000000, 0x00000000, 0x02000000,
+       0x10be0000, 0x041000c0, 0x00010000, 0x18000000,
+       0x00000000, 0x02000000, 0x20be0000, 0x041000c0,
+       0x00010000, 0x18000000, 0x00000000, 0x02000000,
+       0x30be0000, 0x041000c0, 0x00010000, 0x18000000,
+       0x00000000, 0x02000000, 0x00b00000, 0x041000c0,
+       0x00010000, 0x18000000, 0x00000000, 0x02000000,
+       0x10b00000, 0x041000c0, 0x00010000, 0x18000000,
+       0x00000000, 0x02000000, 0x20b00000, 0x041000c0,
+       0x00010000, 0x18000000, 0x00000000, 0x02000000,
+       0x30b00000, 0x041000c0, 0x00010000, 0x18000000,
+       0x00000000, 0x02000000, 0x00300000, 0x041000c0,
+       0x00010000, 0x18000000, 0x00000000, 0x02000000,
+       0x10300000, 0x041000c0, 0x00010000, 0x18000000,
+       0x00000000, 0x02000000, 0x20300000, 0x041000c0,
+       0x00010000, 0x18000000, 0x00000000, 0x02000000,
+       0x30300000, 0x041000c0, 0x0a010000, 0x10000000,
+       0x00000000, 0x02000000, 0x06010000, 0x1c000000,
+       0x00000000, 0x02000000, 0x01000000, 0x00000200,
+       0xff230200, 0x06010000, 0x1c000000, 0x00000000,
+       0x02000000, 0x02000000, 0x00001000, 0x00000000,
+       0x07010000, 0x18000000, 0x00000000, 0x02000000,
+       0x00000000, 0x01000000, 0x07010000, 0x18000000,
+       0x00000000, 0x02000000, 0x00000000, 0x02000000,
+       0x07010000, 0x18000000, 0x00000000, 0x02000000,
+       0x00000000, 0x03000000, 0x0d010000, 0x14000000,
+       0x00000000, 0x02000000, 0x00000000, 0xff000000,
+       0x10000000, 0x00000000, 0x00000080,
+};
+
+static inline void __iomem *
+qla27xx_isp_reg(struct scsi_qla_host *vha)
+{
+       return &vha->hw->iobase->isp24;
+}
+
+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 *window, void *buf, ulong *len)
+{
+       uint8_t value = ~0;
+
+       if (buf) {
+               value = RD_REG_BYTE((__iomem void *)window);
+       }
+       qla27xx_insert32(value, buf, len);
+}
+
+static inline void
+qla27xx_read16(void *window, void *buf, ulong *len)
+{
+       uint16_t value = ~0;
+
+       if (buf) {
+               value = RD_REG_WORD((__iomem void *)window);
+       }
+       qla27xx_insert32(value, buf, len);
+}
+
+static inline void
+qla27xx_read32(void *window, void *buf, ulong *len)
+{
+       uint32_t value = ~0;
+
+       if (buf) {
+               value = RD_REG_DWORD((__iomem void *)window);
+       }
+       qla27xx_insert32(value, buf, len);
+}
+
+static inline void (*qla27xx_read_vector(uint width))(void *, 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 *window = (void *)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)
+{
+       __iomem void *window = (void __iomem *)reg + offset;
+
+       if (buf) {
+               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 *window = (void *)reg + offset;
+       void (*readn)(void *, void *, ulong *) = qla27xx_read_vector(width);
+
+       qla27xx_write_reg(reg, IOBASE_ADDR, 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;
+       ql_dbg(ql_dbg_misc + ql_dbg_verbose, NULL, 0xd011,
+           "Skipping entry %d\n", ent->hdr.entry_type);
+}
+
+static int
+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 false;
+}
+
+static int
+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 true;
+}
+
+static int
+qla27xx_fwdt_entry_t256(struct scsi_qla_host *vha,
+       struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
+{
+       struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha);
+
+       ql_dbg(ql_dbg_misc, vha, 0xd200,
+           "%s: rdio t1 [%lx]\n", __func__, *len);
+       qla27xx_read_window(reg, ent->t256.base_addr, ent->t256.pci_offset,
+           ent->t256.reg_count, ent->t256.reg_width, buf, len);
+
+       return false;
+}
+
+static int
+qla27xx_fwdt_entry_t257(struct scsi_qla_host *vha,
+       struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
+{
+       struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha);
+
+       ql_dbg(ql_dbg_misc, vha, 0xd201,
+           "%s: wrio t1 [%lx]\n", __func__, *len);
+       qla27xx_write_reg(reg, IOBASE_ADDR, ent->t257.base_addr, buf);
+       qla27xx_write_reg(reg, ent->t257.pci_offset, ent->t257.write_data, buf);
+
+       return false;
+}
+
+static int
+qla27xx_fwdt_entry_t258(struct scsi_qla_host *vha,
+       struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
+{
+       struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha);
+
+       ql_dbg(ql_dbg_misc, vha, 0xd202,
+           "%s: rdio t2 [%lx]\n", __func__, *len);
+       qla27xx_write_reg(reg, ent->t258.banksel_offset, ent->t258.bank, buf);
+       qla27xx_read_window(reg, ent->t258.base_addr, ent->t258.pci_offset,
+           ent->t258.reg_count, ent->t258.reg_width, buf, len);
+
+       return false;
+}
+
+static int
+qla27xx_fwdt_entry_t259(struct scsi_qla_host *vha,
+       struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
+{
+       struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha);
+
+       ql_dbg(ql_dbg_misc, vha, 0xd203,
+           "%s: wrio t2 [%lx]\n", __func__, *len);
+       qla27xx_write_reg(reg, IOBASE_ADDR, ent->t259.base_addr, buf);
+       qla27xx_write_reg(reg, ent->t259.banksel_offset, ent->t259.bank, buf);
+       qla27xx_write_reg(reg, ent->t259.pci_offset, ent->t259.write_data, buf);
+
+       return false;
+}
+
+static int
+qla27xx_fwdt_entry_t260(struct scsi_qla_host *vha,
+       struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
+{
+       struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha);
+
+       ql_dbg(ql_dbg_misc, vha, 0xd204,
+           "%s: rdpci [%lx]\n", __func__, *len);
+       qla27xx_insert32(ent->t260.pci_offset, buf, len);
+       qla27xx_read_reg(reg, ent->t260.pci_offset, buf, len);
+
+       return false;
+}
+
+static int
+qla27xx_fwdt_entry_t261(struct scsi_qla_host *vha,
+       struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
+{
+       struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha);
+
+       ql_dbg(ql_dbg_misc, vha, 0xd205,
+           "%s: wrpci [%lx]\n", __func__, *len);
+       qla27xx_write_reg(reg, ent->t261.pci_offset, ent->t261.write_data, buf);
+
+       return false;
+}
+
+static int
+qla27xx_fwdt_entry_t262(struct scsi_qla_host *vha,
+       struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
+{
+       ulong dwords;
+       ulong start;
+       ulong end;
+
+       ql_dbg(ql_dbg_misc, vha, 0xd206,
+           "%s: rdram(%x) [%lx]\n", __func__, ent->t262.ram_area, *len);
+       start = ent->t262.start_addr;
+       end = ent->t262.end_addr;
+
+       if (ent->t262.ram_area == T262_RAM_AREA_CRITICAL_RAM) {
+               ;
+       } else if (ent->t262.ram_area == T262_RAM_AREA_EXTERNAL_RAM) {
+               end = vha->hw->fw_memory_size;
+               if (buf)
+                       ent->t262.end_addr = end;
+       } else if (ent->t262.ram_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 = start;
+                       ent->t262.end_addr = end;
+               }
+       } else {
+               ql_dbg(ql_dbg_misc, vha, 0xd022,
+                   "%s: unknown area %x\n", __func__, ent->t262.ram_area);
+               qla27xx_skip_entry(ent, buf);
+               goto done;
+       }
+
+       if (end < start || end == 0) {
+               ql_dbg(ql_dbg_misc, vha, 0xd023,
+                   "%s: unusable range (start=%x end=%x)\n", __func__,
+                   ent->t262.end_addr, ent->t262.start_addr);
+               qla27xx_skip_entry(ent, buf);
+               goto done;
+       }
+
+       dwords = end - start + 1;
+       if (buf) {
+               buf += *len;
+               qla24xx_dump_ram(vha->hw, start, buf, dwords, &buf);
+       }
+       *len += dwords * sizeof(uint32_t);
+done:
+       return false;
+}
+
+static int
+qla27xx_fwdt_entry_t263(struct scsi_qla_host *vha,
+       struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
+{
+       uint count = 0;
+       uint i;
+       uint length;
+
+       ql_dbg(ql_dbg_misc, vha, 0xd207,
+           "%s: getq(%x) [%lx]\n", __func__, ent->t263.queue_type, *len);
+       if (ent->t263.queue_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 (ent->t263.queue_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 {
+               ql_dbg(ql_dbg_misc, vha, 0xd026,
+                   "%s: unknown queue %x\n", __func__, ent->t263.queue_type);
+               qla27xx_skip_entry(ent, buf);
+       }
+
+       if (buf)
+               ent->t263.num_queues = count;
+
+       return false;
+}
+
+static int
+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 false;
+}
+
+static int
+qla27xx_fwdt_entry_t265(struct scsi_qla_host *vha,
+       struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
+{
+       struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha);
+
+       ql_dbg(ql_dbg_misc, vha, 0xd209,
+           "%s: pause risc [%lx]\n", __func__, *len);
+       if (buf)
+               qla24xx_pause_risc(reg, vha->hw);
+
+       return false;
+}
+
+static int
+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)
+               qla24xx_soft_reset(vha->hw);
+
+       return false;
+}
+
+static int
+qla27xx_fwdt_entry_t267(struct scsi_qla_host *vha,
+       struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
+{
+       struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha);
+
+       ql_dbg(ql_dbg_misc, vha, 0xd20b,
+           "%s: dis intr [%lx]\n", __func__, *len);
+       qla27xx_write_reg(reg, ent->t267.pci_offset, ent->t267.data, buf);
+
+       return false;
+}
+
+static int
+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);
+       if (ent->t268.buf_type == 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);
+               }
+       } else {
+               ql_dbg(ql_dbg_misc, vha, 0xd02b,
+                   "%s: unknown buffer %x\n", __func__, ent->t268.buf_type);
+               qla27xx_skip_entry(ent, buf);
+       }
+
+       return false;
+}
+
+static int
+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 false;
+}
+
+static int
+qla27xx_fwdt_entry_t270(struct scsi_qla_host *vha,
+       struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
+{
+       struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha);
+       ulong dwords = ent->t270.count;
+       ulong addr = ent->t270.addr;
+
+       ql_dbg(ql_dbg_misc, vha, 0xd20e,
+           "%s: rdremreg [%lx]\n", __func__, *len);
+       qla27xx_write_reg(reg, IOBASE_ADDR, 0x40, buf);
+       while (dwords--) {
+               qla27xx_write_reg(reg, 0xc0, addr|0x80000000, buf);
+               qla27xx_insert32(addr, buf, len);
+               qla27xx_read_reg(reg, 0xc4, buf, len);
+               addr += sizeof(uint32_t);
+       }
+
+       return false;
+}
+
+static int
+qla27xx_fwdt_entry_t271(struct scsi_qla_host *vha,
+       struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
+{
+       struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha);
+       ulong addr = ent->t271.addr;
+       ulong data = ent->t271.data;
+
+       ql_dbg(ql_dbg_misc, vha, 0xd20f,
+           "%s: wrremreg [%lx]\n", __func__, *len);
+       qla27xx_write_reg(reg, IOBASE_ADDR, 0x40, buf);
+       qla27xx_write_reg(reg, 0xc4, data, buf);
+       qla27xx_write_reg(reg, 0xc0, addr, buf);
+
+       return false;
+}
+
+static int
+qla27xx_fwdt_entry_t272(struct scsi_qla_host *vha,
+       struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
+{
+       ulong dwords = ent->t272.count;
+       ulong start = 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 false;
+}
+
+static int
+qla27xx_fwdt_entry_t273(struct scsi_qla_host *vha,
+       struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
+{
+       ulong dwords = ent->t273.count;
+       ulong addr = 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 false;
+}
+
+static int
+qla27xx_fwdt_entry_t274(struct scsi_qla_host *vha,
+       struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
+{
+       uint count = 0;
+       uint i;
+
+       ql_dbg(ql_dbg_misc, vha, 0xd212,
+           "%s: getqsh(%x) [%lx]\n", __func__, ent->t274.queue_type, *len);
+       if (ent->t274.queue_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 (ent->t274.queue_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 {
+               ql_dbg(ql_dbg_misc, vha, 0xd02f,
+                   "%s: unknown queue %x\n", __func__, ent->t274.queue_type);
+               qla27xx_skip_entry(ent, buf);
+       }
+
+       if (buf)
+               ent->t274.num_queues = count;
+
+       if (!count)
+               qla27xx_skip_entry(ent, buf);
+
+       return false;
+}
+
+static int
+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);
+
+       ql_dbg(ql_dbg_misc, vha, 0xd213,
+           "%s: buffer(%x) [%lx]\n", __func__, ent->t275.length, *len);
+       if (!ent->t275.length) {
+               ql_dbg(ql_dbg_misc, vha, 0xd020,
+                   "%s: buffer zero length\n", __func__);
+               qla27xx_skip_entry(ent, buf);
+               goto done;
+       }
+       if (offset + ent->t275.length > ent->hdr.entry_size) {
+               ql_dbg(ql_dbg_misc, vha, 0xd030,
+                   "%s: buffer overflow\n", __func__);
+               qla27xx_skip_entry(ent, buf);
+               goto done;
+       }
+
+       qla27xx_insertbuf(ent->t275.buffer, ent->t275.length, buf, len);
+done:
+       return false;
+}
+
+static int
+qla27xx_fwdt_entry_other(struct scsi_qla_host *vha,
+       struct qla27xx_fwdt_entry *ent, void *buf, ulong *len)
+{
+       ql_dbg(ql_dbg_misc, vha, 0xd2ff,
+           "%s: type %x [%lx]\n", __func__, ent->hdr.entry_type, *len);
+       qla27xx_skip_entry(ent, buf);
+
+       return false;
+}
+
+struct qla27xx_fwdt_entry_call {
+       uint type;
+       int (*call)(
+           struct scsi_qla_host *,
+           struct qla27xx_fwdt_entry *,
+           void *,
+           ulong *);
+};
+
+static struct qla27xx_fwdt_entry_call ql27xx_fwdt_entry_call_list[] = {
+       { 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  } ,
+       { -1                            , qla27xx_fwdt_entry_other }
+};
+
+static inline int (*qla27xx_find_entry(uint type))
+       (struct scsi_qla_host *, struct qla27xx_fwdt_entry *, void *, ulong *)
+{
+       struct qla27xx_fwdt_entry_call *list = ql27xx_fwdt_entry_call_list;
+
+       while (list->type < type)
+               list++;
+
+       if (list->type == type)
+               return list->call;
+       return qla27xx_fwdt_entry_other;
+}
+
+static inline void *
+qla27xx_next_entry(void *p)
+{
+       struct qla27xx_fwdt_entry *ent = p;
+
+       return p + ent->hdr.entry_size;
+}
+
+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 + tmp->entry_offset;
+       ulong count = tmp->entry_count;
+
+       ql_dbg(ql_dbg_misc, vha, 0xd01a,
+           "%s: entry count %lx\n", __func__, count);
+       while (count--) {
+               if (qla27xx_find_entry(ent->hdr.entry_type)(vha, ent, buf, len))
+                       break;
+               ent = qla27xx_next_entry(ent);
+       }
+
+       if (count)
+               ql_dbg(ql_dbg_misc, vha, 0xd018,
+                   "%s: residual count (%lx)\n", __func__, count);
+
+       if (ent->hdr.entry_type != ENTRY_TYPE_TMP_END)
+               ql_dbg(ql_dbg_misc, vha, 0xd019,
+                   "%s: missing end (%lx)\n", __func__, count);
+
+       ql_dbg(ql_dbg_misc, vha, 0xd01b,
+           "%s: len=%lx\n", __func__, *len);
+
+       if (buf) {
+               ql_log(ql_log_warn, vha, 0xd015,
+                   "Firmware dump saved to temp buffer (%ld/%p)\n",
+                   vha->host_no, vha->hw->fw_dump);
+               qla2x00_post_uevent_work(vha, QLA_UEVENT_CODE_FW_DUMP);
+       }
+}
+
+static void
+qla27xx_time_stamp(struct qla27xx_fwdt_template *tmp)
+{
+       tmp->capture_timestamp = jiffies;
+}
+
+static void
+qla27xx_driver_info(struct qla27xx_fwdt_template *tmp)
+{
+       uint8_t v[] = { 0, 0, 0, 0, 0, 0 };
+       int rval = 0;
+
+       rval = sscanf(qla2x00_version_str, "%hhu.%hhu.%hhu.%hhu.%hhu.%hhu",
+           v+0, v+1, v+2, v+3, v+4, v+5);
+
+       tmp->driver_info[0] = v[3] << 24 | v[2] << 16 | v[1] << 8 | v[0];
+       tmp->driver_info[1] = v[5] << 8 | v[4];
+       tmp->driver_info[2] = 0x12345678;
+}
+
+static void
+qla27xx_firmware_info(struct qla27xx_fwdt_template *tmp,
+       struct scsi_qla_host *vha)
+{
+       tmp->firmware_version[0] = vha->hw->fw_major_version;
+       tmp->firmware_version[1] = vha->hw->fw_minor_version;
+       tmp->firmware_version[2] = vha->hw->fw_subminor_version;
+       tmp->firmware_version[3] =
+           vha->hw->fw_attributes_h << 16 | vha->hw->fw_attributes;
+       tmp->firmware_version[4] =
+           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(tmp, vha);
+}
+
+static inline uint32_t
+qla27xx_template_checksum(void *p, ulong size)
+{
+       uint32_t *buf = p;
+       uint64_t sum = 0;
+
+       size /= sizeof(*buf);
+
+       while (size--)
+               sum += *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 tmp->template_type == TEMPLATE_TYPE_FWDUMP;
+}
+
+static void
+qla27xx_execute_fwdt_template(struct scsi_qla_host *vha)
+{
+       struct qla27xx_fwdt_template *tmp = vha->hw->fw_dump_template;
+       ulong len;
+
+       if (qla27xx_fwdt_template_valid(tmp)) {
+               len = tmp->template_size;
+               tmp = memcpy(vha->hw->fw_dump, tmp, len);
+               ql27xx_edit_template(vha, tmp);
+               qla27xx_walk_template(vha, tmp, tmp, &len);
+               vha->hw->fw_dump_len = len;
+               vha->hw->fw_dumped = 1;
+       }
+}
+
+ulong
+qla27xx_fwdt_calculate_dump_size(struct scsi_qla_host *vha)
+{
+       struct qla27xx_fwdt_template *tmp = vha->hw->fw_dump_template;
+       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;
+}
+
+ulong
+qla27xx_fwdt_template_default_size(void)
+{
+       return sizeof(ql27xx_fwdt_default_template);
+}
+
+const void *
+qla27xx_fwdt_template_default(void)
+{
+       return ql27xx_fwdt_default_template;
+}
+
+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__, 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_fwdump(scsi_qla_host_t *vha, int hardware_locked)
+{
+       ulong flags = 0;
+
+       if (!hardware_locked)
+               spin_lock_irqsave(&vha->hw->hardware_lock, flags);
+
+       if (!vha->hw->fw_dump)
+               ql_log(ql_log_warn, vha, 0xd01e, "fwdump buffer missing.\n");
+       else if (!vha->hw->fw_dump_template)
+               ql_log(ql_log_warn, vha, 0xd01f, "fwdump template missing.\n");
+       else if (vha->hw->fw_dumped)
+               ql_log(ql_log_warn, vha, 0xd300,
+                   "Firmware has been previously dumped (%p),"
+                   " -- ignoring request\n", vha->hw->fw_dump);
+       else
+               qla27xx_execute_fwdt_template(vha);
+
+       if (!hardware_locked)
+               spin_unlock_irqrestore(&vha->hw->hardware_lock, flags);
+}