[PATCH][v3][9/21] Add Mellanox HCA low-level driver (FW commands)
From: Roland Dreier
Date: Mon Dec 13 2004 - 13:53:49 EST
Add firmware command processing code for Mellanox HCA driver.
Signed-off-by: Roland Dreier <roland@xxxxxxxxxxx>
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-bk/drivers/infiniband/hw/mthca/mthca_cmd.c 2004-12-13 09:44:45.011094434 -0800
@@ -0,0 +1,1562 @@
+/*
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available at
+ * <http://www.fsf.org/copyleft/gpl.html>, or the OpenIB.org BSD
+ * license, available in the LICENSE.TXT file accompanying this
+ * software. These details are also available at
+ * <http://openib.org/license.html>.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Copyright (c) 2004 Topspin Communications. All rights reserved.
+ *
+ * $Id: mthca_cmd.c 1321 2004-12-10 19:38:54Z roland $
+ */
+
+#include <linux/sched.h>
+#include <linux/pci.h>
+#include <linux/errno.h>
+#include <asm/io.h>
+
+#include "mthca_dev.h"
+#include "mthca_config_reg.h"
+#include "mthca_cmd.h"
+
+#define CMD_POLL_TOKEN 0xffff
+
+enum {
+ HCR_IN_PARAM_OFFSET = 0x00,
+ HCR_IN_MODIFIER_OFFSET = 0x08,
+ HCR_OUT_PARAM_OFFSET = 0x0c,
+ HCR_TOKEN_OFFSET = 0x14,
+ HCR_STATUS_OFFSET = 0x18,
+
+ HCR_OPMOD_SHIFT = 12,
+ HCA_E_BIT = 22,
+ HCR_GO_BIT = 23
+};
+
+enum {
+ /* initialization and general commands */
+ CMD_SYS_EN = 0x1,
+ CMD_SYS_DIS = 0x2,
+ CMD_MAP_FA = 0xfff,
+ CMD_UNMAP_FA = 0xffe,
+ CMD_RUN_FW = 0xff6,
+ CMD_MOD_STAT_CFG = 0x34,
+ CMD_QUERY_DEV_LIM = 0x3,
+ CMD_QUERY_FW = 0x4,
+ CMD_ENABLE_LAM = 0xff8,
+ CMD_DISABLE_LAM = 0xff7,
+ CMD_QUERY_DDR = 0x5,
+ CMD_QUERY_ADAPTER = 0x6,
+ CMD_INIT_HCA = 0x7,
+ CMD_CLOSE_HCA = 0x8,
+ CMD_INIT_IB = 0x9,
+ CMD_CLOSE_IB = 0xa,
+ CMD_QUERY_HCA = 0xb,
+ CMD_SET_IB = 0xc,
+ CMD_ACCESS_DDR = 0x2e,
+ CMD_MAP_ICM = 0xffa,
+ CMD_UNMAP_ICM = 0xff9,
+ CMD_MAP_ICM_AUX = 0xffc,
+ CMD_UNMAP_ICM_AUX = 0xffb,
+ CMD_SET_ICM_SIZE = 0xffd,
+
+ /* TPT commands */
+ CMD_SW2HW_MPT = 0xd,
+ CMD_QUERY_MPT = 0xe,
+ CMD_HW2SW_MPT = 0xf,
+ CMD_READ_MTT = 0x10,
+ CMD_WRITE_MTT = 0x11,
+ CMD_SYNC_TPT = 0x2f,
+
+ /* EQ commands */
+ CMD_MAP_EQ = 0x12,
+ CMD_SW2HW_EQ = 0x13,
+ CMD_HW2SW_EQ = 0x14,
+ CMD_QUERY_EQ = 0x15,
+
+ /* CQ commands */
+ CMD_SW2HW_CQ = 0x16,
+ CMD_HW2SW_CQ = 0x17,
+ CMD_QUERY_CQ = 0x18,
+ CMD_RESIZE_CQ = 0x2c,
+
+ /* SRQ commands */
+ CMD_SW2HW_SRQ = 0x35,
+ CMD_HW2SW_SRQ = 0x36,
+ CMD_QUERY_SRQ = 0x37,
+
+ /* QP/EE commands */
+ CMD_RST2INIT_QPEE = 0x19,
+ CMD_INIT2RTR_QPEE = 0x1a,
+ CMD_RTR2RTS_QPEE = 0x1b,
+ CMD_RTS2RTS_QPEE = 0x1c,
+ CMD_SQERR2RTS_QPEE = 0x1d,
+ CMD_2ERR_QPEE = 0x1e,
+ CMD_RTS2SQD_QPEE = 0x1f,
+ CMD_SQD2SQD_QPEE = 0x38,
+ CMD_SQD2RTS_QPEE = 0x20,
+ CMD_ERR2RST_QPEE = 0x21,
+ CMD_QUERY_QPEE = 0x22,
+ CMD_INIT2INIT_QPEE = 0x2d,
+ CMD_SUSPEND_QPEE = 0x32,
+ CMD_UNSUSPEND_QPEE = 0x33,
+ /* special QPs and management commands */
+ CMD_CONF_SPECIAL_QP = 0x23,
+ CMD_MAD_IFC = 0x24,
+
+ /* multicast commands */
+ CMD_READ_MGM = 0x25,
+ CMD_WRITE_MGM = 0x26,
+ CMD_MGID_HASH = 0x27,
+
+ /* miscellaneous commands */
+ CMD_DIAG_RPRT = 0x30,
+ CMD_NOP = 0x31,
+
+ /* debug commands */
+ CMD_QUERY_DEBUG_MSG = 0x2a,
+ CMD_SET_DEBUG_MSG = 0x2b,
+};
+
+/*
+ * According to Mellanox code, FW may be starved and never complete
+ * commands. So we can't use strict timeouts described in PRM -- we
+ * just arbitrarily select 60 seconds for now.
+ */
+#if 0
+/*
+ * Round up and add 1 to make sure we get the full wait time (since we
+ * will be starting in the middle of a jiffy)
+ */
+enum {
+ CMD_TIME_CLASS_A = (HZ + 999) / 1000 + 1,
+ CMD_TIME_CLASS_B = (HZ + 99) / 100 + 1,
+ CMD_TIME_CLASS_C = (HZ + 9) / 10 + 1
+};
+#else
+enum {
+ CMD_TIME_CLASS_A = 60 * HZ,
+ CMD_TIME_CLASS_B = 60 * HZ,
+ CMD_TIME_CLASS_C = 60 * HZ
+};
+#endif
+
+enum {
+ GO_BIT_TIMEOUT = HZ * 10
+};
+
+struct mthca_cmd_context {
+ struct completion done;
+ struct timer_list timer;
+ int result;
+ int next;
+ u64 out_param;
+ u16 token;
+ u8 status;
+};
+
+static inline int go_bit(struct mthca_dev *dev)
+{
+ return readl(dev->hcr + HCR_STATUS_OFFSET) &
+ swab32(1 << HCR_GO_BIT);
+}
+
+static int mthca_cmd_post(struct mthca_dev *dev,
+ u64 in_param,
+ u64 out_param,
+ u32 in_modifier,
+ u8 op_modifier,
+ u16 op,
+ u16 token,
+ int event)
+{
+ int err = 0;
+
+ if (down_interruptible(&dev->cmd.hcr_sem))
+ return -EINTR;
+
+ if (event) {
+ unsigned long end = jiffies + GO_BIT_TIMEOUT;
+
+ while (go_bit(dev) && time_before(jiffies, end)) {
+ set_current_state(TASK_RUNNING);
+ schedule();
+ }
+ }
+
+ if (go_bit(dev)) {
+ err = -EAGAIN;
+ goto out;
+ }
+
+ /*
+ * We use writel (instead of something like memcpy_toio)
+ * because writes of less than 32 bits to the HCR don't work
+ * (and some architectures such as ia64 implement memcpy_toio
+ * in terms of writeb).
+ */
+ __raw_writel(cpu_to_be32(in_param >> 32), dev->hcr + 0 * 4);
+ __raw_writel(cpu_to_be32(in_param & 0xfffffffful), dev->hcr + 1 * 4);
+ __raw_writel(cpu_to_be32(in_modifier), dev->hcr + 2 * 4);
+ __raw_writel(cpu_to_be32(out_param >> 32), dev->hcr + 3 * 4);
+ __raw_writel(cpu_to_be32(out_param & 0xfffffffful), dev->hcr + 4 * 4);
+ __raw_writel(cpu_to_be32(token << 16), dev->hcr + 5 * 4);
+
+ /* __raw_writel may not order writes. */
+ wmb();
+
+ __raw_writel(cpu_to_be32((1 << HCR_GO_BIT) |
+ (event ? (1 << HCA_E_BIT) : 0) |
+ (op_modifier << HCR_OPMOD_SHIFT) |
+ op), dev->hcr + 6 * 4);
+
+out:
+ up(&dev->cmd.hcr_sem);
+ return err;
+}
+
+static int mthca_cmd_poll(struct mthca_dev *dev,
+ u64 in_param,
+ u64 *out_param,
+ int out_is_imm,
+ u32 in_modifier,
+ u8 op_modifier,
+ u16 op,
+ unsigned long timeout,
+ u8 *status)
+{
+ int err = 0;
+ unsigned long end;
+
+ if (down_interruptible(&dev->cmd.poll_sem))
+ return -EINTR;
+
+ err = mthca_cmd_post(dev, in_param,
+ out_param ? *out_param : 0,
+ in_modifier, op_modifier,
+ op, CMD_POLL_TOKEN, 0);
+ if (err)
+ goto out;
+
+ end = timeout + jiffies;
+ while (go_bit(dev) && time_before(jiffies, end)) {
+ set_current_state(TASK_RUNNING);
+ schedule();
+ }
+
+ if (go_bit(dev)) {
+ err = -EBUSY;
+ goto out;
+ }
+
+ if (out_is_imm) {
+ memcpy_fromio(out_param, dev->hcr + HCR_OUT_PARAM_OFFSET, sizeof (u64));
+ be64_to_cpus(out_param);
+ }
+
+ *status = be32_to_cpu(__raw_readl(dev->hcr + HCR_STATUS_OFFSET)) >> 24;
+
+out:
+ up(&dev->cmd.poll_sem);
+ return err;
+}
+
+void mthca_cmd_event(struct mthca_dev *dev,
+ u16 token,
+ u8 status,
+ u64 out_param)
+{
+ struct mthca_cmd_context *context =
+ &dev->cmd.context[token & dev->cmd.token_mask];
+
+ /* previously timed out command completing at long last */
+ if (token != context->token)
+ return;
+
+ context->result = 0;
+ context->status = status;
+ context->out_param = out_param;
+
+ context->token += dev->cmd.token_mask + 1;
+
+ complete(&context->done);
+}
+
+static void event_timeout(unsigned long context_ptr)
+{
+ struct mthca_cmd_context *context =
+ (struct mthca_cmd_context *) context_ptr;
+
+ context->result = -EBUSY;
+ complete(&context->done);
+}
+
+static int mthca_cmd_wait(struct mthca_dev *dev,
+ u64 in_param,
+ u64 *out_param,
+ int out_is_imm,
+ u32 in_modifier,
+ u8 op_modifier,
+ u16 op,
+ unsigned long timeout,
+ u8 *status)
+{
+ int err = 0;
+ struct mthca_cmd_context *context;
+
+ if (down_interruptible(&dev->cmd.event_sem))
+ return -EINTR;
+
+ spin_lock(&dev->cmd.context_lock);
+ BUG_ON(dev->cmd.free_head < 0);
+ context = &dev->cmd.context[dev->cmd.free_head];
+ dev->cmd.free_head = context->next;
+ spin_unlock(&dev->cmd.context_lock);
+
+ init_completion(&context->done);
+
+ err = mthca_cmd_post(dev, in_param,
+ out_param ? *out_param : 0,
+ in_modifier, op_modifier,
+ op, context->token, 1);
+ if (err)
+ goto out;
+
+ context->timer.expires = jiffies + timeout;
+ add_timer(&context->timer);
+
+ wait_for_completion(&context->done);
+ del_timer_sync(&context->timer);
+
+ err = context->result;
+ if (err)
+ goto out;
+
+ *status = context->status;
+ if (*status)
+ mthca_dbg(dev, "Command %02x completed with status %02x\n",
+ op, *status);
+
+ if (out_is_imm)
+ *out_param = context->out_param;
+
+out:
+ spin_lock(&dev->cmd.context_lock);
+ context->next = dev->cmd.free_head;
+ dev->cmd.free_head = context - dev->cmd.context;
+ spin_unlock(&dev->cmd.context_lock);
+
+ up(&dev->cmd.event_sem);
+ return err;
+}
+
+/* Invoke a command with an output mailbox */
+static int mthca_cmd_box(struct mthca_dev *dev,
+ u64 in_param,
+ u64 out_param,
+ u32 in_modifier,
+ u8 op_modifier,
+ u16 op,
+ unsigned long timeout,
+ u8 *status)
+{
+ if (dev->cmd.use_events)
+ return mthca_cmd_wait(dev, in_param, &out_param, 0,
+ in_modifier, op_modifier, op,
+ timeout, status);
+ else
+ return mthca_cmd_poll(dev, in_param, &out_param, 0,
+ in_modifier, op_modifier, op,
+ timeout, status);
+}
+
+/* Invoke a command with no output parameter */
+static int mthca_cmd(struct mthca_dev *dev,
+ u64 in_param,
+ u32 in_modifier,
+ u8 op_modifier,
+ u16 op,
+ unsigned long timeout,
+ u8 *status)
+{
+ return mthca_cmd_box(dev, in_param, 0, in_modifier,
+ op_modifier, op, timeout, status);
+}
+
+/*
+ * Invoke a command with an immediate output parameter (and copy the
+ * output into the caller's out_param pointer after the command
+ * executes).
+ */
+static int mthca_cmd_imm(struct mthca_dev *dev,
+ u64 in_param,
+ u64 *out_param,
+ u32 in_modifier,
+ u8 op_modifier,
+ u16 op,
+ unsigned long timeout,
+ u8 *status)
+{
+ if (dev->cmd.use_events)
+ return mthca_cmd_wait(dev, in_param, out_param, 1,
+ in_modifier, op_modifier, op,
+ timeout, status);
+ else
+ return mthca_cmd_poll(dev, in_param, out_param, 1,
+ in_modifier, op_modifier, op,
+ timeout, status);
+}
+
+/*
+ * Switch to using events to issue FW commands (should be called after
+ * event queue to command events has been initialized).
+ */
+int mthca_cmd_use_events(struct mthca_dev *dev)
+{
+ int i;
+
+ dev->cmd.context = kmalloc(dev->cmd.max_cmds *
+ sizeof (struct mthca_cmd_context),
+ GFP_KERNEL);
+ if (!dev->cmd.context)
+ return -ENOMEM;
+
+ for (i = 0; i < dev->cmd.max_cmds; ++i) {
+ dev->cmd.context[i].token = i;
+ dev->cmd.context[i].next = i + 1;
+ init_timer(&dev->cmd.context[i].timer);
+ dev->cmd.context[i].timer.data =
+ (unsigned long) &dev->cmd.context[i];
+ dev->cmd.context[i].timer.function = event_timeout;
+ }
+
+ dev->cmd.context[dev->cmd.max_cmds - 1].next = -1;
+ dev->cmd.free_head = 0;
+
+ sema_init(&dev->cmd.event_sem, dev->cmd.max_cmds);
+ spin_lock_init(&dev->cmd.context_lock);
+
+ for (dev->cmd.token_mask = 1;
+ dev->cmd.token_mask < dev->cmd.max_cmds;
+ dev->cmd.token_mask <<= 1)
+ ; /* nothing */
+ --dev->cmd.token_mask;
+
+ dev->cmd.use_events = 1;
+ down(&dev->cmd.poll_sem);
+
+ return 0;
+}
+
+/*
+ * Switch back to polling (used when shutting down the device)
+ */
+void mthca_cmd_use_polling(struct mthca_dev *dev)
+{
+ int i;
+
+ dev->cmd.use_events = 0;
+
+ for (i = 0; i < dev->cmd.max_cmds; ++i)
+ down(&dev->cmd.event_sem);
+
+ kfree(dev->cmd.context);
+
+ up(&dev->cmd.poll_sem);
+}
+
+int mthca_SYS_EN(struct mthca_dev *dev, u8 *status)
+{
+ u64 out;
+ int ret;
+
+ ret = mthca_cmd_imm(dev, 0, &out, 0, 0, CMD_SYS_EN, HZ, status);
+
+ if (*status == MTHCA_CMD_STAT_DDR_MEM_ERR)
+ mthca_warn(dev, "SYS_EN DDR error: syn=%x, sock=%d, "
+ "sladdr=%d, SPD source=%s\n",
+ (int) (out >> 6) & 0xf, (int) (out >> 4) & 3,
+ (int) (out >> 1) & 7, (int) out & 1 ? "NVMEM" : "DIMM");
+
+ return ret;
+}
+
+int mthca_SYS_DIS(struct mthca_dev *dev, u8 *status)
+{
+ return mthca_cmd(dev, 0, 0, 0, CMD_SYS_DIS, HZ, status);
+}
+
+int mthca_MAP_FA(struct mthca_dev *dev, int count,
+ struct scatterlist *sglist, u8 *status)
+{
+ u32 *inbox;
+ dma_addr_t indma;
+ int lg;
+ int nent = 0;
+ int i, j;
+ int err = 0;
+ int ts = 0;
+
+ inbox = pci_alloc_consistent(dev->pdev, PAGE_SIZE, &indma);
+ memset(inbox, 0, PAGE_SIZE);
+
+ for (i = 0; i < count; ++i) {
+ /*
+ * We have to pass pages that are aligned to their
+ * size, so find the least significant 1 in the
+ * address or size and use that as our log2 size.
+ */
+ lg = ffs(sg_dma_address(sglist + i) | sg_dma_len(sglist + i)) - 1;
+ if (lg < 12) {
+ mthca_warn(dev, "Got FW area not aligned to 4K (%llx/%x).\n",
+ (unsigned long long) sg_dma_address(sglist + i),
+ sg_dma_len(sglist + i));
+ err = -EINVAL;
+ goto out;
+ }
+ for (j = 0; j < sg_dma_len(sglist + i) / (1 << lg); ++j, ++nent) {
+ *((__be64 *) (inbox + nent * 4 + 2)) =
+ cpu_to_be64((sg_dma_address(sglist + i) +
+ (j << lg)) |
+ (lg - 12));
+ ts += 1 << (lg - 10);
+ if (nent == PAGE_SIZE / 16) {
+ err = mthca_cmd(dev, indma, nent, 0, CMD_MAP_FA,
+ CMD_TIME_CLASS_B, status);
+ if (err || *status)
+ goto out;
+ nent = 0;
+ }
+ }
+ }
+
+ if (nent) {
+ err = mthca_cmd(dev, indma, nent, 0, CMD_MAP_FA,
+ CMD_TIME_CLASS_B, status);
+ }
+
+ mthca_dbg(dev, "Mapped %d KB of host memory for FW.\n", ts);
+
+out:
+ pci_free_consistent(dev->pdev, PAGE_SIZE, inbox, indma);
+ return err;
+}
+
+int mthca_UNMAP_FA(struct mthca_dev *dev, u8 *status)
+{
+ return mthca_cmd(dev, 0, 0, 0, CMD_UNMAP_FA, CMD_TIME_CLASS_B, status);
+}
+
+int mthca_RUN_FW(struct mthca_dev *dev, u8 *status)
+{
+ return mthca_cmd(dev, 0, 0, 0, CMD_RUN_FW, CMD_TIME_CLASS_A, status);
+}
+
+int mthca_QUERY_FW(struct mthca_dev *dev, u8 *status)
+{
+ u32 *outbox;
+ dma_addr_t outdma;
+ int err = 0;
+ u8 lg;
+
+#define QUERY_FW_OUT_SIZE 0x100
+#define QUERY_FW_VER_OFFSET 0x00
+#define QUERY_FW_MAX_CMD_OFFSET 0x0f
+#define QUERY_FW_ERR_START_OFFSET 0x30
+#define QUERY_FW_ERR_SIZE_OFFSET 0x38
+
+#define QUERY_FW_START_OFFSET 0x20
+#define QUERY_FW_END_OFFSET 0x28
+
+#define QUERY_FW_SIZE_OFFSET 0x00
+#define QUERY_FW_CLR_INT_BASE_OFFSET 0x20
+#define QUERY_FW_EQ_ARM_BASE_OFFSET 0x40
+#define QUERY_FW_EQ_SET_CI_BASE_OFFSET 0x48
+
+ outbox = pci_alloc_consistent(dev->pdev, QUERY_FW_OUT_SIZE, &outdma);
+ if (!outbox) {
+ return -ENOMEM;
+ }
+
+ err = mthca_cmd_box(dev, 0, outdma, 0, 0, CMD_QUERY_FW,
+ CMD_TIME_CLASS_A, status);
+
+ if (err)
+ goto out;
+
+ MTHCA_GET(dev->fw_ver, outbox, QUERY_FW_VER_OFFSET);
+ /*
+ * FW subminor version is at more signifant bits than minor
+ * version, so swap here.
+ */
+ dev->fw_ver = (dev->fw_ver & 0xffff00000000ull) |
+ ((dev->fw_ver & 0xffff0000ull) >> 16) |
+ ((dev->fw_ver & 0x0000ffffull) << 16);
+
+ MTHCA_GET(lg, outbox, QUERY_FW_MAX_CMD_OFFSET);
+ dev->cmd.max_cmds = 1 << lg;
+
+ mthca_dbg(dev, "FW version %012llx, max commands %d\n",
+ (unsigned long long) dev->fw_ver, dev->cmd.max_cmds);
+
+ if (dev->hca_type == ARBEL_NATIVE) {
+ MTHCA_GET(dev->fw.arbel.fw_pages, outbox, QUERY_FW_SIZE_OFFSET);
+ MTHCA_GET(dev->fw.arbel.clr_int_base, outbox, QUERY_FW_CLR_INT_BASE_OFFSET);
+ MTHCA_GET(dev->fw.arbel.eq_arm_base, outbox, QUERY_FW_EQ_ARM_BASE_OFFSET);
+ MTHCA_GET(dev->fw.arbel.eq_set_ci_base, outbox, QUERY_FW_EQ_SET_CI_BASE_OFFSET);
+ mthca_dbg(dev, "FW size %d KB\n", dev->fw.arbel.fw_pages << 2);
+
+ /*
+ * Arbel page size is always 4 KB; round up number of
+ * system pages needed.
+ */
+ dev->fw.arbel.fw_pages =
+ (dev->fw.arbel.fw_pages + (1 << (PAGE_SHIFT - 12)) - 1) >>
+ (PAGE_SHIFT - 12);
+
+ mthca_dbg(dev, "Clear int @ %llx, EQ arm @ %llx, EQ set CI @ %llx\n",
+ (unsigned long long) dev->fw.arbel.clr_int_base,
+ (unsigned long long) dev->fw.arbel.eq_arm_base,
+ (unsigned long long) dev->fw.arbel.eq_set_ci_base);
+ } else {
+ MTHCA_GET(dev->fw.tavor.fw_start, outbox, QUERY_FW_START_OFFSET);
+ MTHCA_GET(dev->fw.tavor.fw_end, outbox, QUERY_FW_END_OFFSET);
+
+ mthca_dbg(dev, "FW size %d KB (start %llx, end %llx)\n",
+ (int) ((dev->fw.tavor.fw_end - dev->fw.tavor.fw_start) >> 10),
+ (unsigned long long) dev->fw.tavor.fw_start,
+ (unsigned long long) dev->fw.tavor.fw_end);
+ }
+
+out:
+ pci_free_consistent(dev->pdev, QUERY_FW_OUT_SIZE, outbox, outdma);
+ return err;
+}
+
+int mthca_ENABLE_LAM(struct mthca_dev *dev, u8 *status)
+{
+ u8 info;
+ u32 *outbox;
+ dma_addr_t outdma;
+ int err = 0;
+
+#define ENABLE_LAM_OUT_SIZE 0x100
+#define ENABLE_LAM_START_OFFSET 0x00
+#define ENABLE_LAM_END_OFFSET 0x08
+#define ENABLE_LAM_INFO_OFFSET 0x13
+
+#define ENABLE_LAM_INFO_HIDDEN_FLAG (1 << 4)
+#define ENABLE_LAM_INFO_ECC_MASK 0x3
+
+ outbox = pci_alloc_consistent(dev->pdev, ENABLE_LAM_OUT_SIZE, &outdma);
+ if (!outbox)
+ return -ENOMEM;
+
+ err = mthca_cmd_box(dev, 0, outdma, 0, 0, CMD_ENABLE_LAM,
+ CMD_TIME_CLASS_C, status);
+
+ if (err)
+ goto out;
+
+ if (*status == MTHCA_CMD_STAT_LAM_NOT_PRE)
+ goto out;
+
+ MTHCA_GET(dev->ddr_start, outbox, ENABLE_LAM_START_OFFSET);
+ MTHCA_GET(dev->ddr_end, outbox, ENABLE_LAM_END_OFFSET);
+ MTHCA_GET(info, outbox, ENABLE_LAM_INFO_OFFSET);
+
+ if (!!(info & ENABLE_LAM_INFO_HIDDEN_FLAG) !=
+ !!(dev->mthca_flags & MTHCA_FLAG_DDR_HIDDEN)) {
+ mthca_info(dev, "FW reports that HCA-attached memory "
+ "is %s hidden; does not match PCI config\n",
+ (info & ENABLE_LAM_INFO_HIDDEN_FLAG) ?
+ "" : "not");
+ }
+ if (info & ENABLE_LAM_INFO_HIDDEN_FLAG)
+ mthca_dbg(dev, "HCA-attached memory is hidden.\n");
+
+ mthca_dbg(dev, "HCA memory size %d KB (start %llx, end %llx)\n",
+ (int) ((dev->ddr_end - dev->ddr_start) >> 10),
+ (unsigned long long) dev->ddr_start,
+ (unsigned long long) dev->ddr_end);
+
+out:
+ pci_free_consistent(dev->pdev, ENABLE_LAM_OUT_SIZE, outbox, outdma);
+ return err;
+}
+
+int mthca_DISABLE_LAM(struct mthca_dev *dev, u8 *status)
+{
+ return mthca_cmd(dev, 0, 0, 0, CMD_SYS_DIS, CMD_TIME_CLASS_C, status);
+}
+
+int mthca_QUERY_DDR(struct mthca_dev *dev, u8 *status)
+{
+ u8 info;
+ u32 *outbox;
+ dma_addr_t outdma;
+ int err = 0;
+
+#define QUERY_DDR_OUT_SIZE 0x100
+#define QUERY_DDR_START_OFFSET 0x00
+#define QUERY_DDR_END_OFFSET 0x08
+#define QUERY_DDR_INFO_OFFSET 0x13
+
+#define QUERY_DDR_INFO_HIDDEN_FLAG (1 << 4)
+#define QUERY_DDR_INFO_ECC_MASK 0x3
+
+ outbox = pci_alloc_consistent(dev->pdev, QUERY_DDR_OUT_SIZE, &outdma);
+ if (!outbox)
+ return -ENOMEM;
+
+ err = mthca_cmd_box(dev, 0, outdma, 0, 0, CMD_QUERY_DDR,
+ CMD_TIME_CLASS_A, status);
+
+ if (err)
+ goto out;
+
+ MTHCA_GET(dev->ddr_start, outbox, QUERY_DDR_START_OFFSET);
+ MTHCA_GET(dev->ddr_end, outbox, QUERY_DDR_END_OFFSET);
+ MTHCA_GET(info, outbox, QUERY_DDR_INFO_OFFSET);
+
+ if (!!(info & QUERY_DDR_INFO_HIDDEN_FLAG) !=
+ !!(dev->mthca_flags & MTHCA_FLAG_DDR_HIDDEN)) {
+ mthca_info(dev, "FW reports that HCA-attached memory "
+ "is %s hidden; does not match PCI config\n",
+ (info & QUERY_DDR_INFO_HIDDEN_FLAG) ?
+ "" : "not");
+ }
+ if (info & QUERY_DDR_INFO_HIDDEN_FLAG)
+ mthca_dbg(dev, "HCA-attached memory is hidden.\n");
+
+ mthca_dbg(dev, "HCA memory size %d KB (start %llx, end %llx)\n",
+ (int) ((dev->ddr_end - dev->ddr_start) >> 10),
+ (unsigned long long) dev->ddr_start,
+ (unsigned long long) dev->ddr_end);
+
+out:
+ pci_free_consistent(dev->pdev, QUERY_DDR_OUT_SIZE, outbox, outdma);
+ return err;
+}
+
+int mthca_QUERY_DEV_LIM(struct mthca_dev *dev,
+ struct mthca_dev_lim *dev_lim, u8 *status)
+{
+ u32 *outbox;
+ dma_addr_t outdma;
+ u8 field;
+ u16 size;
+ int err;
+
+#define QUERY_DEV_LIM_OUT_SIZE 0x100
+#define QUERY_DEV_LIM_MAX_SRQ_SZ_OFFSET 0x10
+#define QUERY_DEV_LIM_MAX_QP_SZ_OFFSET 0x11
+#define QUERY_DEV_LIM_RSVD_QP_OFFSET 0x12
+#define QUERY_DEV_LIM_MAX_QP_OFFSET 0x13
+#define QUERY_DEV_LIM_RSVD_SRQ_OFFSET 0x14
+#define QUERY_DEV_LIM_MAX_SRQ_OFFSET 0x15
+#define QUERY_DEV_LIM_RSVD_EEC_OFFSET 0x16
+#define QUERY_DEV_LIM_MAX_EEC_OFFSET 0x17
+#define QUERY_DEV_LIM_MAX_CQ_SZ_OFFSET 0x19
+#define QUERY_DEV_LIM_RSVD_CQ_OFFSET 0x1a
+#define QUERY_DEV_LIM_MAX_CQ_OFFSET 0x1b
+#define QUERY_DEV_LIM_MAX_MPT_OFFSET 0x1d
+#define QUERY_DEV_LIM_RSVD_EQ_OFFSET 0x1e
+#define QUERY_DEV_LIM_MAX_EQ_OFFSET 0x1f
+#define QUERY_DEV_LIM_RSVD_MTT_OFFSET 0x20
+#define QUERY_DEV_LIM_MAX_MRW_SZ_OFFSET 0x21
+#define QUERY_DEV_LIM_RSVD_MRW_OFFSET 0x22
+#define QUERY_DEV_LIM_MAX_MTT_SEG_OFFSET 0x23
+#define QUERY_DEV_LIM_MAX_AV_OFFSET 0x27
+#define QUERY_DEV_LIM_MAX_REQ_QP_OFFSET 0x29
+#define QUERY_DEV_LIM_MAX_RES_QP_OFFSET 0x2b
+#define QUERY_DEV_LIM_MAX_RDMA_OFFSET 0x2f
+#define QUERY_DEV_LIM_RSZ_SRQ_OFFSET 0x33
+#define QUERY_DEV_LIM_ACK_DELAY_OFFSET 0x35
+#define QUERY_DEV_LIM_MTU_WIDTH_OFFSET 0x36
+#define QUERY_DEV_LIM_VL_PORT_OFFSET 0x37
+#define QUERY_DEV_LIM_MAX_GID_OFFSET 0x3b
+#define QUERY_DEV_LIM_MAX_PKEY_OFFSET 0x3f
+#define QUERY_DEV_LIM_FLAGS_OFFSET 0x44
+#define QUERY_DEV_LIM_RSVD_UAR_OFFSET 0x48
+#define QUERY_DEV_LIM_UAR_SZ_OFFSET 0x49
+#define QUERY_DEV_LIM_PAGE_SZ_OFFSET 0x4b
+#define QUERY_DEV_LIM_MAX_SG_OFFSET 0x51
+#define QUERY_DEV_LIM_MAX_DESC_SZ_OFFSET 0x52
+#define QUERY_DEV_LIM_MAX_SG_RQ_OFFSET 0x55
+#define QUERY_DEV_LIM_MAX_DESC_SZ_RQ_OFFSET 0x56
+#define QUERY_DEV_LIM_MAX_QP_MCG_OFFSET 0x61
+#define QUERY_DEV_LIM_RSVD_MCG_OFFSET 0x62
+#define QUERY_DEV_LIM_MAX_MCG_OFFSET 0x63
+#define QUERY_DEV_LIM_RSVD_PD_OFFSET 0x64
+#define QUERY_DEV_LIM_MAX_PD_OFFSET 0x65
+#define QUERY_DEV_LIM_RSVD_RDD_OFFSET 0x66
+#define QUERY_DEV_LIM_MAX_RDD_OFFSET 0x67
+#define QUERY_DEV_LIM_EEC_ENTRY_SZ_OFFSET 0x80
+#define QUERY_DEV_LIM_QPC_ENTRY_SZ_OFFSET 0x82
+#define QUERY_DEV_LIM_EEEC_ENTRY_SZ_OFFSET 0x84
+#define QUERY_DEV_LIM_EQPC_ENTRY_SZ_OFFSET 0x86
+#define QUERY_DEV_LIM_EQC_ENTRY_SZ_OFFSET 0x88
+#define QUERY_DEV_LIM_CQC_ENTRY_SZ_OFFSET 0x8a
+#define QUERY_DEV_LIM_SRQ_ENTRY_SZ_OFFSET 0x8c
+#define QUERY_DEV_LIM_UAR_ENTRY_SZ_OFFSET 0x8e
+#define QUERY_DEV_LIM_MTT_ENTRY_SZ_OFFSET 0x90
+#define QUERY_DEV_LIM_MPT_ENTRY_SZ_OFFSET 0x92
+#define QUERY_DEV_LIM_PBL_SZ_OFFSET 0x96
+#define QUERY_DEV_LIM_BMME_FLAGS_OFFSET 0x97
+#define QUERY_DEV_LIM_RSVD_LKEY_OFFSET 0x98
+#define QUERY_DEV_LIM_LAMR_OFFSET 0x9f
+#define QUERY_DEV_LIM_MAX_ICM_SZ_OFFSET 0xa0
+
+ outbox = pci_alloc_consistent(dev->pdev, QUERY_DEV_LIM_OUT_SIZE, &outdma);
+ if (!outbox)
+ return -ENOMEM;
+
+ err = mthca_cmd_box(dev, 0, outdma, 0, 0, CMD_QUERY_DEV_LIM,
+ CMD_TIME_CLASS_A, status);
+
+ if (err)
+ goto out;
+
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_SRQ_SZ_OFFSET);
+ dev_lim->max_srq_sz = 1 << field;
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_QP_SZ_OFFSET);
+ dev_lim->max_qp_sz = 1 << field;
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_QP_OFFSET);
+ dev_lim->reserved_qps = 1 << (field & 0xf);
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_QP_OFFSET);
+ dev_lim->max_qps = 1 << (field & 0x1f);
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_SRQ_OFFSET);
+ dev_lim->reserved_srqs = 1 << (field >> 4);
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_SRQ_OFFSET);
+ dev_lim->max_srqs = 1 << (field & 0x1f);
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_EEC_OFFSET);
+ dev_lim->reserved_eecs = 1 << (field & 0xf);
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_EEC_OFFSET);
+ dev_lim->max_eecs = 1 << (field & 0x1f);
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_CQ_SZ_OFFSET);
+ dev_lim->max_cq_sz = 1 << field;
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_CQ_OFFSET);
+ dev_lim->reserved_cqs = 1 << (field & 0xf);
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_CQ_OFFSET);
+ dev_lim->max_cqs = 1 << (field & 0x1f);
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_MPT_OFFSET);
+ dev_lim->max_mpts = 1 << (field & 0x3f);
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_EQ_OFFSET);
+ dev_lim->reserved_eqs = 1 << (field & 0xf);
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_EQ_OFFSET);
+ dev_lim->max_eqs = 1 << (field & 0x7);
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_MTT_OFFSET);
+ dev_lim->reserved_mtts = 1 << (field >> 4);
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_MRW_SZ_OFFSET);
+ dev_lim->max_mrw_sz = 1 << field;
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_MRW_OFFSET);
+ dev_lim->reserved_mrws = 1 << (field & 0xf);
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_MTT_SEG_OFFSET);
+ dev_lim->max_mtt_seg = 1 << (field & 0x3f);
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_REQ_QP_OFFSET);
+ dev_lim->max_requester_per_qp = 1 << (field & 0x3f);
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_RES_QP_OFFSET);
+ dev_lim->max_responder_per_qp = 1 << (field & 0x3f);
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_RDMA_OFFSET);
+ dev_lim->max_rdma_global = 1 << (field & 0x3f);
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_ACK_DELAY_OFFSET);
+ dev_lim->local_ca_ack_delay = field & 0x1f;
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_MTU_WIDTH_OFFSET);
+ dev_lim->max_mtu = field >> 4;
+ dev_lim->max_port_width = field & 0xf;
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_VL_PORT_OFFSET);
+ dev_lim->max_vl = field >> 4;
+ dev_lim->num_ports = field & 0xf;
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_GID_OFFSET);
+ dev_lim->max_gids = 1 << (field & 0xf);
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_PKEY_OFFSET);
+ dev_lim->max_pkeys = 1 << (field & 0xf);
+ MTHCA_GET(dev_lim->flags, outbox, QUERY_DEV_LIM_FLAGS_OFFSET);
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_UAR_OFFSET);
+ dev_lim->reserved_uars = field >> 4;
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_UAR_SZ_OFFSET);
+ dev_lim->uar_size = 1 << ((field & 0x3f) + 20);
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_PAGE_SZ_OFFSET);
+ dev_lim->min_page_sz = 1 << field;
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_SG_OFFSET);
+ dev_lim->max_sg = field;
+
+ MTHCA_GET(size, outbox, QUERY_DEV_LIM_MAX_DESC_SZ_OFFSET);
+ dev_lim->max_desc_sz = size;
+
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_QP_MCG_OFFSET);
+ dev_lim->max_qp_per_mcg = 1 << field;
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_MCG_OFFSET);
+ dev_lim->reserved_mgms = field & 0xf;
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_MCG_OFFSET);
+ dev_lim->max_mcgs = 1 << field;
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_PD_OFFSET);
+ dev_lim->reserved_pds = field >> 4;
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_PD_OFFSET);
+ dev_lim->max_pds = 1 << (field & 0x3f);
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_RDD_OFFSET);
+ dev_lim->reserved_rdds = field >> 4;
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_RDD_OFFSET);
+ dev_lim->max_rdds = 1 << (field & 0x3f);
+
+ MTHCA_GET(size, outbox, QUERY_DEV_LIM_EEC_ENTRY_SZ_OFFSET);
+ dev_lim->eec_entry_sz = size;
+ MTHCA_GET(size, outbox, QUERY_DEV_LIM_QPC_ENTRY_SZ_OFFSET);
+ dev_lim->qpc_entry_sz = size;
+ MTHCA_GET(size, outbox, QUERY_DEV_LIM_EEEC_ENTRY_SZ_OFFSET);
+ dev_lim->eeec_entry_sz = size;
+ MTHCA_GET(size, outbox, QUERY_DEV_LIM_EQPC_ENTRY_SZ_OFFSET);
+ dev_lim->eqpc_entry_sz = size;
+ MTHCA_GET(size, outbox, QUERY_DEV_LIM_EQC_ENTRY_SZ_OFFSET);
+ dev_lim->eqc_entry_sz = size;
+ MTHCA_GET(size, outbox, QUERY_DEV_LIM_CQC_ENTRY_SZ_OFFSET);
+ dev_lim->cqc_entry_sz = size;
+ MTHCA_GET(size, outbox, QUERY_DEV_LIM_SRQ_ENTRY_SZ_OFFSET);
+ dev_lim->srq_entry_sz = size;
+ MTHCA_GET(size, outbox, QUERY_DEV_LIM_UAR_ENTRY_SZ_OFFSET);
+ dev_lim->uar_scratch_entry_sz = size;
+
+ mthca_dbg(dev, "Max QPs: %d, reserved QPs: %d, entry size: %d\n",
+ dev_lim->max_qps, dev_lim->reserved_qps, dev_lim->qpc_entry_sz);
+ mthca_dbg(dev, "Max CQs: %d, reserved CQs: %d, entry size: %d\n",
+ dev_lim->max_cqs, dev_lim->reserved_cqs, dev_lim->cqc_entry_sz);
+ mthca_dbg(dev, "Max EQs: %d, reserved EQs: %d, entry size: %d\n",
+ dev_lim->max_eqs, dev_lim->reserved_eqs, dev_lim->eqc_entry_sz);
+ mthca_dbg(dev, "reserved MPTs: %d, reserved MTTs: %d\n",
+ dev_lim->reserved_mrws, dev_lim->reserved_mtts);
+ mthca_dbg(dev, "Max PDs: %d, reserved PDs: %d, reserved UARs: %d\n",
+ dev_lim->max_pds, dev_lim->reserved_pds, dev_lim->reserved_uars);
+ mthca_dbg(dev, "Max QP/MCG: %d, reserved MGMs: %d\n",
+ dev_lim->max_pds, dev_lim->reserved_mgms);
+
+ mthca_dbg(dev, "Flags: %08x\n", dev_lim->flags);
+
+ if (dev->hca_type == ARBEL_NATIVE) {
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSZ_SRQ_OFFSET);
+ dev_lim->hca.arbel.resize_srq = field & 1;
+ MTHCA_GET(size, outbox, QUERY_DEV_LIM_MTT_ENTRY_SZ_OFFSET);
+ dev_lim->hca.arbel.mtt_entry_sz = size;
+ MTHCA_GET(size, outbox, QUERY_DEV_LIM_MPT_ENTRY_SZ_OFFSET);
+ dev_lim->hca.arbel.mpt_entry_sz = size;
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_PBL_SZ_OFFSET);
+ dev_lim->hca.arbel.max_pbl_sz = 1 << (field & 0x3f);
+ MTHCA_GET(dev_lim->hca.arbel.bmme_flags, outbox,
+ QUERY_DEV_LIM_BMME_FLAGS_OFFSET);
+ MTHCA_GET(dev_lim->hca.arbel.reserved_lkey, outbox,
+ QUERY_DEV_LIM_RSVD_LKEY_OFFSET);
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_LAMR_OFFSET);
+ dev_lim->hca.arbel.lam_required = field & 1;
+ MTHCA_GET(dev_lim->hca.arbel.max_icm_sz, outbox,
+ QUERY_DEV_LIM_MAX_ICM_SZ_OFFSET);
+
+ if (dev_lim->hca.arbel.bmme_flags & 1)
+ mthca_dbg(dev, "Base MM extensions: yes "
+ "(flags %d, max PBL %d, rsvd L_Key %08x)\n",
+ dev_lim->hca.arbel.bmme_flags,
+ dev_lim->hca.arbel.max_pbl_sz,
+ dev_lim->hca.arbel.reserved_lkey);
+ else
+ mthca_dbg(dev, "Base MM extensions: no\n");
+
+ mthca_dbg(dev, "Max ICM size %lld MB\n",
+ (unsigned long long) dev_lim->hca.arbel.max_icm_sz >> 20);
+ } else {
+ MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_AV_OFFSET);
+ dev_lim->hca.tavor.max_avs = 1 << (field & 0x3f);
+ }
+
+out:
+ pci_free_consistent(dev->pdev, QUERY_DEV_LIM_OUT_SIZE, outbox, outdma);
+ return err;
+}
+
+int mthca_QUERY_ADAPTER(struct mthca_dev *dev,
+ struct mthca_adapter *adapter, u8 *status)
+{
+ u32 *outbox;
+ dma_addr_t outdma;
+ int err;
+
+#define QUERY_ADAPTER_OUT_SIZE 0x100
+#define QUERY_ADAPTER_VENDOR_ID_OFFSET 0x00
+#define QUERY_ADAPTER_DEVICE_ID_OFFSET 0x04
+#define QUERY_ADAPTER_REVISION_ID_OFFSET 0x08
+#define QUERY_ADAPTER_INTA_PIN_OFFSET 0x10
+
+ outbox = pci_alloc_consistent(dev->pdev, QUERY_ADAPTER_OUT_SIZE, &outdma);
+ if (!outbox)
+ return -ENOMEM;
+
+ err = mthca_cmd_box(dev, 0, outdma, 0, 0, CMD_QUERY_ADAPTER,
+ CMD_TIME_CLASS_A, status);
+
+ if (err)
+ goto out;
+
+ MTHCA_GET(adapter->vendor_id, outbox, QUERY_ADAPTER_VENDOR_ID_OFFSET);
+ MTHCA_GET(adapter->device_id, outbox, QUERY_ADAPTER_DEVICE_ID_OFFSET);
+ MTHCA_GET(adapter->revision_id, outbox, QUERY_ADAPTER_REVISION_ID_OFFSET);
+ MTHCA_GET(adapter->inta_pin, outbox, QUERY_ADAPTER_INTA_PIN_OFFSET);
+
+out:
+ pci_free_consistent(dev->pdev, QUERY_DEV_LIM_OUT_SIZE, outbox, outdma);
+ return err;
+}
+
+int mthca_INIT_HCA(struct mthca_dev *dev,
+ struct mthca_init_hca_param *param,
+ u8 *status)
+{
+ u32 *inbox;
+ dma_addr_t indma;
+ int err;
+
+#define INIT_HCA_IN_SIZE 0x200
+#define INIT_HCA_FLAGS_OFFSET 0x014
+#define INIT_HCA_QPC_OFFSET 0x020
+#define INIT_HCA_QPC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x10)
+#define INIT_HCA_LOG_QP_OFFSET (INIT_HCA_QPC_OFFSET + 0x17)
+#define INIT_HCA_EEC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x20)
+#define INIT_HCA_LOG_EEC_OFFSET (INIT_HCA_QPC_OFFSET + 0x27)
+#define INIT_HCA_SRQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x28)
+#define INIT_HCA_LOG_SRQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x2f)
+#define INIT_HCA_CQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x30)
+#define INIT_HCA_LOG_CQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x37)
+#define INIT_HCA_EQPC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x40)
+#define INIT_HCA_EEEC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x50)
+#define INIT_HCA_EQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x60)
+#define INIT_HCA_LOG_EQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x67)
+#define INIT_HCA_RDB_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x70)
+#define INIT_HCA_UDAV_OFFSET 0x0b0
+#define INIT_HCA_UDAV_LKEY_OFFSET (INIT_HCA_UDAV_OFFSET + 0x0)
+#define INIT_HCA_UDAV_PD_OFFSET (INIT_HCA_UDAV_OFFSET + 0x4)
+#define INIT_HCA_MCAST_OFFSET 0x0c0
+#define INIT_HCA_MC_BASE_OFFSET (INIT_HCA_MCAST_OFFSET + 0x00)
+#define INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x12)
+#define INIT_HCA_MC_HASH_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x16)
+#define INIT_HCA_LOG_MC_TABLE_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x1b)
+#define INIT_HCA_TPT_OFFSET 0x0f0
+#define INIT_HCA_MPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x00)
+#define INIT_HCA_MTT_SEG_SZ_OFFSET (INIT_HCA_TPT_OFFSET + 0x09)
+#define INIT_HCA_LOG_MPT_SZ_OFFSET (INIT_HCA_TPT_OFFSET + 0x0b)
+#define INIT_HCA_MTT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x10)
+#define INIT_HCA_UAR_OFFSET 0x120
+#define INIT_HCA_UAR_BASE_OFFSET (INIT_HCA_UAR_OFFSET + 0x00)
+#define INIT_HCA_UAR_PAGE_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0b)
+#define INIT_HCA_UAR_SCATCH_BASE_OFFSET (INIT_HCA_UAR_OFFSET + 0x10)
+
+ inbox = pci_alloc_consistent(dev->pdev, INIT_HCA_IN_SIZE, &indma);
+ if (!inbox)
+ return -ENOMEM;
+
+ memset(inbox, 0, INIT_HCA_IN_SIZE);
+
+#if defined(__LITTLE_ENDIAN)
+ *(inbox + INIT_HCA_FLAGS_OFFSET / 4) &= ~cpu_to_be32(1 << 1);
+#elif defined(__BIG_ENDIAN)
+ *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 1);
+#else
+#error Host endianness not defined
+#endif
+ /* Check port for UD address vector: */
+ *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1);
+
+ /* We leave wqe_quota, responder_exu, etc as 0 (default) */
+
+ /* QPC/EEC/CQC/EQC/RDB attributes */
+
+ MTHCA_PUT(inbox, param->qpc_base, INIT_HCA_QPC_BASE_OFFSET);
+ MTHCA_PUT(inbox, param->log_num_qps, INIT_HCA_LOG_QP_OFFSET);
+ MTHCA_PUT(inbox, param->eec_base, INIT_HCA_EEC_BASE_OFFSET);
+ MTHCA_PUT(inbox, param->log_num_eecs, INIT_HCA_LOG_EEC_OFFSET);
+ MTHCA_PUT(inbox, param->srqc_base, INIT_HCA_SRQC_BASE_OFFSET);
+ MTHCA_PUT(inbox, param->log_num_srqs, INIT_HCA_LOG_SRQ_OFFSET);
+ MTHCA_PUT(inbox, param->cqc_base, INIT_HCA_CQC_BASE_OFFSET);
+ MTHCA_PUT(inbox, param->log_num_cqs, INIT_HCA_LOG_CQ_OFFSET);
+ MTHCA_PUT(inbox, param->eqpc_base, INIT_HCA_EQPC_BASE_OFFSET);
+ MTHCA_PUT(inbox, param->eeec_base, INIT_HCA_EEEC_BASE_OFFSET);
+ MTHCA_PUT(inbox, param->eqc_base, INIT_HCA_EQC_BASE_OFFSET);
+ MTHCA_PUT(inbox, param->log_num_eqs, INIT_HCA_LOG_EQ_OFFSET);
+ MTHCA_PUT(inbox, param->rdb_base, INIT_HCA_RDB_BASE_OFFSET);
+
+ /* UD AV attributes */
+
+ /* multicast attributes */
+
+ MTHCA_PUT(inbox, param->mc_base, INIT_HCA_MC_BASE_OFFSET);
+ MTHCA_PUT(inbox, param->log_mc_entry_sz, INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET);
+ MTHCA_PUT(inbox, param->mc_hash_sz, INIT_HCA_MC_HASH_SZ_OFFSET);
+ MTHCA_PUT(inbox, param->log_mc_table_sz, INIT_HCA_LOG_MC_TABLE_SZ_OFFSET);
+
+ /* TPT attributes */
+
+ MTHCA_PUT(inbox, param->mpt_base, INIT_HCA_MPT_BASE_OFFSET);
+ MTHCA_PUT(inbox, param->mtt_seg_sz, INIT_HCA_MTT_SEG_SZ_OFFSET);
+ MTHCA_PUT(inbox, param->log_mpt_sz, INIT_HCA_LOG_MPT_SZ_OFFSET);
+ MTHCA_PUT(inbox, param->mtt_base, INIT_HCA_MTT_BASE_OFFSET);
+
+ /* UAR attributes */
+ {
+ u8 uar_page_sz = PAGE_SHIFT - 12;
+ MTHCA_PUT(inbox, uar_page_sz, INIT_HCA_UAR_PAGE_SZ_OFFSET);
+ MTHCA_PUT(inbox, param->uar_scratch_base, INIT_HCA_UAR_SCATCH_BASE_OFFSET);
+ }
+
+ err = mthca_cmd(dev, indma, 0, 0, CMD_INIT_HCA,
+ HZ, status);
+
+ pci_free_consistent(dev->pdev, INIT_HCA_IN_SIZE, inbox, indma);
+ return err;
+}
+
+int mthca_INIT_IB(struct mthca_dev *dev,
+ struct mthca_init_ib_param *param,
+ int port, u8 *status)
+{
+ u32 *inbox;
+ dma_addr_t indma;
+ int err;
+ u32 flags;
+
+#define INIT_IB_IN_SIZE 56
+#define INIT_IB_FLAGS_OFFSET 0x00
+#define INIT_IB_FLAG_SIG (1 << 18)
+#define INIT_IB_FLAG_NG (1 << 17)
+#define INIT_IB_FLAG_G0 (1 << 16)
+#define INIT_IB_FLAG_1X (1 << 8)
+#define INIT_IB_FLAG_4X (1 << 9)
+#define INIT_IB_FLAG_12X (1 << 11)
+#define INIT_IB_VL_SHIFT 4
+#define INIT_IB_MTU_SHIFT 12
+#define INIT_IB_MAX_GID_OFFSET 0x06
+#define INIT_IB_MAX_PKEY_OFFSET 0x0a
+#define INIT_IB_GUID0_OFFSET 0x10
+#define INIT_IB_NODE_GUID_OFFSET 0x18
+#define INIT_IB_SI_GUID_OFFSET 0x20
+
+ inbox = pci_alloc_consistent(dev->pdev, INIT_IB_IN_SIZE, &indma);
+ if (!inbox)
+ return -ENOMEM;
+
+ memset(inbox, 0, INIT_IB_IN_SIZE);
+
+ flags = 0;
+ flags |= param->enable_1x ? INIT_IB_FLAG_1X : 0;
+ flags |= param->enable_4x ? INIT_IB_FLAG_4X : 0;
+ flags |= param->set_guid0 ? INIT_IB_FLAG_G0 : 0;
+ flags |= param->set_node_guid ? INIT_IB_FLAG_NG : 0;
+ flags |= param->set_si_guid ? INIT_IB_FLAG_SIG : 0;
+ flags |= param->vl_cap << INIT_IB_VL_SHIFT;
+ flags |= param->mtu_cap << INIT_IB_MTU_SHIFT;
+ MTHCA_PUT(inbox, flags, INIT_IB_FLAGS_OFFSET);
+
+ MTHCA_PUT(inbox, param->gid_cap, INIT_IB_MAX_GID_OFFSET);
+ MTHCA_PUT(inbox, param->pkey_cap, INIT_IB_MAX_PKEY_OFFSET);
+ MTHCA_PUT(inbox, param->guid0, INIT_IB_GUID0_OFFSET);
+ MTHCA_PUT(inbox, param->node_guid, INIT_IB_NODE_GUID_OFFSET);
+ MTHCA_PUT(inbox, param->si_guid, INIT_IB_SI_GUID_OFFSET);
+
+ err = mthca_cmd(dev, indma, port, 0, CMD_INIT_IB,
+ CMD_TIME_CLASS_A, status);
+
+ pci_free_consistent(dev->pdev, INIT_HCA_IN_SIZE, inbox, indma);
+ return err;
+}
+
+int mthca_CLOSE_IB(struct mthca_dev *dev, int port, u8 *status)
+{
+ return mthca_cmd(dev, 0, port, 0, CMD_CLOSE_IB, HZ, status);
+}
+
+int mthca_CLOSE_HCA(struct mthca_dev *dev, int panic, u8 *status)
+{
+ return mthca_cmd(dev, 0, 0, panic, CMD_CLOSE_HCA, HZ, status);
+}
+
+int mthca_SW2HW_MPT(struct mthca_dev *dev, void *mpt_entry,
+ int mpt_index, u8 *status)
+{
+ dma_addr_t indma;
+ int err;
+
+ indma = pci_map_single(dev->pdev, mpt_entry,
+ MTHCA_MPT_ENTRY_SIZE,
+ PCI_DMA_TODEVICE);
+ if (pci_dma_mapping_error(indma))
+ return -ENOMEM;
+
+ err = mthca_cmd(dev, indma, mpt_index, 0, CMD_SW2HW_MPT,
+ CMD_TIME_CLASS_B, status);
+
+ pci_unmap_single(dev->pdev, indma,
+ MTHCA_MPT_ENTRY_SIZE, PCI_DMA_TODEVICE);
+ return err;
+}
+
+int mthca_HW2SW_MPT(struct mthca_dev *dev, void *mpt_entry,
+ int mpt_index, u8 *status)
+{
+ dma_addr_t outdma = 0;
+ int err;
+
+ if (mpt_entry) {
+ outdma = pci_map_single(dev->pdev, mpt_entry,
+ MTHCA_MPT_ENTRY_SIZE,
+ PCI_DMA_FROMDEVICE);
+ if (pci_dma_mapping_error(outdma))
+ return -ENOMEM;
+ }
+
+ err = mthca_cmd_box(dev, 0, outdma, mpt_index, !mpt_entry,
+ CMD_HW2SW_MPT,
+ CMD_TIME_CLASS_B, status);
+
+ if (mpt_entry)
+ pci_unmap_single(dev->pdev, outdma,
+ MTHCA_MPT_ENTRY_SIZE,
+ PCI_DMA_FROMDEVICE);
+ return err;
+}
+
+int mthca_WRITE_MTT(struct mthca_dev *dev, u64 *mtt_entry,
+ int num_mtt, u8 *status)
+{
+ dma_addr_t indma;
+ int err;
+
+ indma = pci_map_single(dev->pdev, mtt_entry,
+ (num_mtt + 2) * 8,
+ PCI_DMA_TODEVICE);
+ if (pci_dma_mapping_error(indma))
+ return -ENOMEM;
+
+ err = mthca_cmd(dev, indma, num_mtt, 0, CMD_WRITE_MTT,
+ CMD_TIME_CLASS_B, status);
+
+ pci_unmap_single(dev->pdev, indma,
+ (num_mtt + 2) * 8, PCI_DMA_TODEVICE);
+ return err;
+}
+
+int mthca_MAP_EQ(struct mthca_dev *dev, u64 event_mask, int unmap,
+ int eq_num, u8 *status)
+{
+ mthca_dbg(dev, "%s mask %016llx for eqn %d\n",
+ unmap ? "Clearing" : "Setting",
+ (unsigned long long) event_mask, eq_num);
+ return mthca_cmd(dev, event_mask, (unmap << 31) | eq_num,
+ 0, CMD_MAP_EQ, CMD_TIME_CLASS_B, status);
+}
+
+int mthca_SW2HW_EQ(struct mthca_dev *dev, void *eq_context,
+ int eq_num, u8 *status)
+{
+ dma_addr_t indma;
+ int err;
+
+ indma = pci_map_single(dev->pdev, eq_context,
+ MTHCA_EQ_CONTEXT_SIZE,
+ PCI_DMA_TODEVICE);
+ if (pci_dma_mapping_error(indma))
+ return -ENOMEM;
+
+ err = mthca_cmd(dev, indma, eq_num, 0, CMD_SW2HW_EQ,
+ CMD_TIME_CLASS_A, status);
+
+ pci_unmap_single(dev->pdev, indma,
+ MTHCA_EQ_CONTEXT_SIZE, PCI_DMA_TODEVICE);
+ return err;
+}
+
+int mthca_HW2SW_EQ(struct mthca_dev *dev, void *eq_context,
+ int eq_num, u8 *status)
+{
+ dma_addr_t outdma = 0;
+ int err;
+
+ outdma = pci_map_single(dev->pdev, eq_context,
+ MTHCA_EQ_CONTEXT_SIZE,
+ PCI_DMA_FROMDEVICE);
+ if (pci_dma_mapping_error(outdma))
+ return -ENOMEM;
+
+ err = mthca_cmd_box(dev, 0, outdma, eq_num, 0,
+ CMD_HW2SW_EQ,
+ CMD_TIME_CLASS_A, status);
+
+ pci_unmap_single(dev->pdev, outdma,
+ MTHCA_EQ_CONTEXT_SIZE,
+ PCI_DMA_FROMDEVICE);
+ return err;
+}
+
+int mthca_SW2HW_CQ(struct mthca_dev *dev, void *cq_context,
+ int cq_num, u8 *status)
+{
+ dma_addr_t indma;
+ int err;
+
+ indma = pci_map_single(dev->pdev, cq_context,
+ MTHCA_CQ_CONTEXT_SIZE,
+ PCI_DMA_TODEVICE);
+ if (pci_dma_mapping_error(indma))
+ return -ENOMEM;
+
+ err = mthca_cmd(dev, indma, cq_num, 0, CMD_SW2HW_CQ,
+ CMD_TIME_CLASS_A, status);
+
+ pci_unmap_single(dev->pdev, indma,
+ MTHCA_CQ_CONTEXT_SIZE, PCI_DMA_TODEVICE);
+ return err;
+}
+
+int mthca_HW2SW_CQ(struct mthca_dev *dev, void *cq_context,
+ int cq_num, u8 *status)
+{
+ dma_addr_t outdma = 0;
+ int err;
+
+ outdma = pci_map_single(dev->pdev, cq_context,
+ MTHCA_CQ_CONTEXT_SIZE,
+ PCI_DMA_FROMDEVICE);
+ if (pci_dma_mapping_error(outdma))
+ return -ENOMEM;
+
+ err = mthca_cmd_box(dev, 0, outdma, cq_num, 0,
+ CMD_HW2SW_CQ,
+ CMD_TIME_CLASS_A, status);
+
+ pci_unmap_single(dev->pdev, outdma,
+ MTHCA_CQ_CONTEXT_SIZE,
+ PCI_DMA_FROMDEVICE);
+ return err;
+}
+
+int mthca_MODIFY_QP(struct mthca_dev *dev, int trans, u32 num,
+ int is_ee, void *qp_context, u32 optmask,
+ u8 *status)
+{
+ static const u16 op[] = {
+ [MTHCA_TRANS_RST2INIT] = CMD_RST2INIT_QPEE,
+ [MTHCA_TRANS_INIT2INIT] = CMD_INIT2INIT_QPEE,
+ [MTHCA_TRANS_INIT2RTR] = CMD_INIT2RTR_QPEE,
+ [MTHCA_TRANS_RTR2RTS] = CMD_RTR2RTS_QPEE,
+ [MTHCA_TRANS_RTS2RTS] = CMD_RTS2RTS_QPEE,
+ [MTHCA_TRANS_SQERR2RTS] = CMD_SQERR2RTS_QPEE,
+ [MTHCA_TRANS_ANY2ERR] = CMD_2ERR_QPEE,
+ [MTHCA_TRANS_RTS2SQD] = CMD_RTS2SQD_QPEE,
+ [MTHCA_TRANS_SQD2SQD] = CMD_SQD2SQD_QPEE,
+ [MTHCA_TRANS_SQD2RTS] = CMD_SQD2RTS_QPEE,
+ [MTHCA_TRANS_ANY2RST] = CMD_ERR2RST_QPEE
+ };
+ u8 op_mod = 0;
+
+ dma_addr_t indma;
+ int err;
+
+ if (trans < 0 || trans >= ARRAY_SIZE(op))
+ return -EINVAL;
+
+ if (trans == MTHCA_TRANS_ANY2RST) {
+ indma = 0;
+ op_mod = 3; /* don't write outbox, any->reset */
+
+ /* For debugging */
+ qp_context = pci_alloc_consistent(dev->pdev, MTHCA_QP_CONTEXT_SIZE,
+ &indma);
+ op_mod = 2; /* write outbox, any->reset */
+ } else {
+ indma = pci_map_single(dev->pdev, qp_context,
+ MTHCA_QP_CONTEXT_SIZE,
+ PCI_DMA_TODEVICE);
+ if (pci_dma_mapping_error(indma))
+ return -ENOMEM;
+
+ if (0) {
+ int i;
+ mthca_dbg(dev, "Dumping QP context:\n");
+ printk(" %08x\n", be32_to_cpup(qp_context));
+ for (i = 0; i < 0x100 / 4; ++i) {
+ if (i % 8 == 0)
+ printk("[%02x] ", i * 4);
+ printk(" %08x", be32_to_cpu(((u32 *) qp_context)[i + 2]));
+ if ((i + 1) % 8 == 0)
+ printk("\n");
+ }
+ }
+ }
+
+ if (trans == MTHCA_TRANS_ANY2RST) {
+ err = mthca_cmd_box(dev, 0, indma, (!!is_ee << 24) | num,
+ op_mod, op[trans], CMD_TIME_CLASS_C, status);
+
+ if (0) {
+ int i;
+ mthca_dbg(dev, "Dumping QP context:\n");
+ printk(" %08x\n", be32_to_cpup(qp_context));
+ for (i = 0; i < 0x100 / 4; ++i) {
+ if (i % 8 == 0)
+ printk("[%02x] ", i * 4);
+ printk(" %08x", be32_to_cpu(((u32 *) qp_context)[i + 2]));
+ if ((i + 1) % 8 == 0)
+ printk("\n");
+ }
+ }
+
+ } else
+ err = mthca_cmd(dev, indma, (!!is_ee << 24) | num,
+ op_mod, op[trans], CMD_TIME_CLASS_C, status);
+
+ if (trans != MTHCA_TRANS_ANY2RST)
+ pci_unmap_single(dev->pdev, indma,
+ MTHCA_QP_CONTEXT_SIZE, PCI_DMA_TODEVICE);
+ else
+ pci_free_consistent(dev->pdev, MTHCA_QP_CONTEXT_SIZE,
+ qp_context, indma);
+ return err;
+}
+
+int mthca_QUERY_QP(struct mthca_dev *dev, u32 num, int is_ee,
+ void *qp_context, u8 *status)
+{
+ dma_addr_t outdma = 0;
+ int err;
+
+ outdma = pci_map_single(dev->pdev, qp_context,
+ MTHCA_QP_CONTEXT_SIZE,
+ PCI_DMA_FROMDEVICE);
+ if (pci_dma_mapping_error(outdma))
+ return -ENOMEM;
+
+ err = mthca_cmd_box(dev, 0, outdma, (!!is_ee << 24) | num, 0,
+ CMD_QUERY_QPEE,
+ CMD_TIME_CLASS_A, status);
+
+ pci_unmap_single(dev->pdev, outdma,
+ MTHCA_QP_CONTEXT_SIZE,
+ PCI_DMA_FROMDEVICE);
+ return err;
+}
+
+int mthca_CONF_SPECIAL_QP(struct mthca_dev *dev, int type, u32 qpn,
+ u8 *status)
+{
+ u8 op_mod;
+
+ switch (type) {
+ case IB_QPT_SMI:
+ op_mod = 0;
+ break;
+ case IB_QPT_GSI:
+ op_mod = 1;
+ break;
+ case IB_QPT_RAW_IPV6:
+ op_mod = 2;
+ break;
+ case IB_QPT_RAW_ETY:
+ op_mod = 3;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return mthca_cmd(dev, 0, qpn, op_mod, CMD_CONF_SPECIAL_QP,
+ CMD_TIME_CLASS_B, status);
+}
+
+int mthca_MAD_IFC(struct mthca_dev *dev, int ignore_mkey, int port,
+ void *in_mad, void *response_mad, u8 *status) {
+ void *box;
+ dma_addr_t dma;
+ int err;
+
+#define MAD_IFC_BOX_SIZE 512
+
+ box = pci_alloc_consistent(dev->pdev, MAD_IFC_BOX_SIZE, &dma);
+ if (!box)
+ return -ENOMEM;
+
+ memcpy(box, in_mad, 256);
+
+ err = mthca_cmd_box(dev, dma, dma + 256, port, !!ignore_mkey,
+ CMD_MAD_IFC, CMD_TIME_CLASS_C, status);
+
+ if (!err && !*status)
+ memcpy(response_mad, box + 256, 256);
+
+ pci_free_consistent(dev->pdev, MAD_IFC_BOX_SIZE, box, dma);
+ return err;
+}
+
+int mthca_READ_MGM(struct mthca_dev *dev, int index, void *mgm,
+ u8 *status)
+{
+ dma_addr_t outdma = 0;
+ int err;
+
+ outdma = pci_map_single(dev->pdev, mgm,
+ MTHCA_MGM_ENTRY_SIZE,
+ PCI_DMA_FROMDEVICE);
+ if (pci_dma_mapping_error(outdma))
+ return -ENOMEM;
+
+ err = mthca_cmd_box(dev, 0, outdma, index, 0,
+ CMD_READ_MGM,
+ CMD_TIME_CLASS_A, status);
+
+ pci_unmap_single(dev->pdev, outdma,
+ MTHCA_MGM_ENTRY_SIZE,
+ PCI_DMA_FROMDEVICE);
+ return err;
+}
+
+int mthca_WRITE_MGM(struct mthca_dev *dev, int index, void *mgm,
+ u8 *status)
+{
+ dma_addr_t indma;
+ int err;
+
+ indma = pci_map_single(dev->pdev, mgm,
+ MTHCA_MGM_ENTRY_SIZE,
+ PCI_DMA_TODEVICE);
+ if (pci_dma_mapping_error(indma))
+ return -ENOMEM;
+
+ err = mthca_cmd(dev, indma, index, 0, CMD_WRITE_MGM,
+ CMD_TIME_CLASS_A, status);
+
+ pci_unmap_single(dev->pdev, indma,
+ MTHCA_MGM_ENTRY_SIZE, PCI_DMA_TODEVICE);
+ return err;
+}
+
+int mthca_MGID_HASH(struct mthca_dev *dev, void *gid, u16 *hash,
+ u8 *status)
+{
+ dma_addr_t indma;
+ u64 imm;
+ int err;
+
+ indma = pci_map_single(dev->pdev, gid, 16, PCI_DMA_TODEVICE);
+ if (pci_dma_mapping_error(indma))
+ return -ENOMEM;
+
+ err = mthca_cmd_imm(dev, indma, &imm, 0, 0, CMD_MGID_HASH,
+ CMD_TIME_CLASS_A, status);
+ *hash = imm;
+
+ pci_unmap_single(dev->pdev, indma, 16, PCI_DMA_TODEVICE);
+ return err;
+}
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-bk/drivers/infiniband/hw/mthca/mthca_cmd.h 2004-12-13 09:44:45.036090752 -0800
@@ -0,0 +1,265 @@
+/*
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available at
+ * <http://www.fsf.org/copyleft/gpl.html>, or the OpenIB.org BSD
+ * license, available in the LICENSE.TXT file accompanying this
+ * software. These details are also available at
+ * <http://openib.org/license.html>.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Copyright (c) 2004 Topspin Communications. All rights reserved.
+ *
+ * $Id: mthca_cmd.h 1321 2004-12-10 19:38:54Z roland $
+ */
+
+#ifndef MTHCA_CMD_H
+#define MTHCA_CMD_H
+
+#include <ib_verbs.h>
+
+#define MTHCA_CMD_MAILBOX_ALIGN 16UL
+#define MTHCA_CMD_MAILBOX_EXTRA (MTHCA_CMD_MAILBOX_ALIGN - 1)
+
+enum {
+ /* command completed successfully: */
+ MTHCA_CMD_STAT_OK = 0x00,
+ /* Internal error (such as a bus error) occurred while processing command: */
+ MTHCA_CMD_STAT_INTERNAL_ERR = 0x01,
+ /* Operation/command not supported or opcode modifier not supported: */
+ MTHCA_CMD_STAT_BAD_OP = 0x02,
+ /* Parameter not supported or parameter out of range: */
+ MTHCA_CMD_STAT_BAD_PARAM = 0x03,
+ /* System not enabled or bad system state: */
+ MTHCA_CMD_STAT_BAD_SYS_STATE = 0x04,
+ /* Attempt to access reserved or unallocaterd resource: */
+ MTHCA_CMD_STAT_BAD_RESOURCE = 0x05,
+ /* Requested resource is currently executing a command, or is otherwise busy: */
+ MTHCA_CMD_STAT_RESOURCE_BUSY = 0x06,
+ /* memory error: */
+ MTHCA_CMD_STAT_DDR_MEM_ERR = 0x07,
+ /* Required capability exceeds device limits: */
+ MTHCA_CMD_STAT_EXCEED_LIM = 0x08,
+ /* Resource is not in the appropriate state or ownership: */
+ MTHCA_CMD_STAT_BAD_RES_STATE = 0x09,
+ /* Index out of range: */
+ MTHCA_CMD_STAT_BAD_INDEX = 0x0a,
+ /* FW image corrupted: */
+ MTHCA_CMD_STAT_BAD_NVMEM = 0x0b,
+ /* Attempt to modify a QP/EE which is not in the presumed state: */
+ MTHCA_CMD_STAT_BAD_QPEE_STATE = 0x10,
+ /* Bad segment parameters (Address/Size): */
+ MTHCA_CMD_STAT_BAD_SEG_PARAM = 0x20,
+ /* Memory Region has Memory Windows bound to: */
+ MTHCA_CMD_STAT_REG_BOUND = 0x21,
+ /* HCA local attached memory not present: */
+ MTHCA_CMD_STAT_LAM_NOT_PRE = 0x22,
+ /* Bad management packet (silently discarded): */
+ MTHCA_CMD_STAT_BAD_PKT = 0x30,
+ /* More outstanding CQEs in CQ than new CQ size: */
+ MTHCA_CMD_STAT_BAD_SIZE = 0x40
+};
+
+enum {
+ MTHCA_TRANS_INVALID = 0,
+ MTHCA_TRANS_RST2INIT,
+ MTHCA_TRANS_INIT2INIT,
+ MTHCA_TRANS_INIT2RTR,
+ MTHCA_TRANS_RTR2RTS,
+ MTHCA_TRANS_RTS2RTS,
+ MTHCA_TRANS_SQERR2RTS,
+ MTHCA_TRANS_ANY2ERR,
+ MTHCA_TRANS_RTS2SQD,
+ MTHCA_TRANS_SQD2SQD,
+ MTHCA_TRANS_SQD2RTS,
+ MTHCA_TRANS_ANY2RST,
+};
+
+enum {
+ DEV_LIM_FLAG_SRQ = 1 << 6
+};
+
+struct mthca_dev_lim {
+ int max_srq_sz;
+ int max_qp_sz;
+ int reserved_qps;
+ int max_qps;
+ int reserved_srqs;
+ int max_srqs;
+ int reserved_eecs;
+ int max_eecs;
+ int max_cq_sz;
+ int reserved_cqs;
+ int max_cqs;
+ int max_mpts;
+ int reserved_eqs;
+ int max_eqs;
+ int reserved_mtts;
+ int max_mrw_sz;
+ int reserved_mrws;
+ int max_mtt_seg;
+ int max_requester_per_qp;
+ int max_responder_per_qp;
+ int max_rdma_global;
+ int local_ca_ack_delay;
+ int max_mtu;
+ int max_port_width;
+ int max_vl;
+ int num_ports;
+ int max_gids;
+ int max_pkeys;
+ u32 flags;
+ int reserved_uars;
+ int uar_size;
+ int min_page_sz;
+ int max_sg;
+ int max_desc_sz;
+ int max_qp_per_mcg;
+ int reserved_mgms;
+ int max_mcgs;
+ int reserved_pds;
+ int max_pds;
+ int reserved_rdds;
+ int max_rdds;
+ int eec_entry_sz;
+ int qpc_entry_sz;
+ int eeec_entry_sz;
+ int eqpc_entry_sz;
+ int eqc_entry_sz;
+ int cqc_entry_sz;
+ int srq_entry_sz;
+ int uar_scratch_entry_sz;
+ union {
+ struct {
+ int max_avs;
+ } tavor;
+ struct {
+ int resize_srq;
+ int mtt_entry_sz;
+ int mpt_entry_sz;
+ int max_pbl_sz;
+ u8 bmme_flags;
+ u32 reserved_lkey;
+ int lam_required;
+ u64 max_icm_sz;
+ } arbel;
+ } hca;
+};
+
+struct mthca_adapter {
+ u32 vendor_id;
+ u32 device_id;
+ u32 revision_id;
+ u8 inta_pin;
+};
+
+struct mthca_init_hca_param {
+ u64 qpc_base;
+ u8 log_num_qps;
+ u64 eec_base;
+ u8 log_num_eecs;
+ u64 srqc_base;
+ u8 log_num_srqs;
+ u64 cqc_base;
+ u8 log_num_cqs;
+ u64 eqpc_base;
+ u64 eeec_base;
+ u64 eqc_base;
+ u8 log_num_eqs;
+ u64 rdb_base;
+ u64 mc_base;
+ u16 log_mc_entry_sz;
+ u16 mc_hash_sz;
+ u8 log_mc_table_sz;
+ u64 mpt_base;
+ u8 mtt_seg_sz;
+ u8 log_mpt_sz;
+ u64 mtt_base;
+ u64 uar_scratch_base;
+};
+
+struct mthca_init_ib_param {
+ int enable_1x;
+ int enable_4x;
+ int vl_cap;
+ int mtu_cap;
+ u16 gid_cap;
+ u16 pkey_cap;
+ int set_guid0;
+ u64 guid0;
+ int set_node_guid;
+ u64 node_guid;
+ int set_si_guid;
+ u64 si_guid;
+};
+
+int mthca_cmd_use_events(struct mthca_dev *dev);
+void mthca_cmd_use_polling(struct mthca_dev *dev);
+void mthca_cmd_event(struct mthca_dev *dev, u16 token,
+ u8 status, u64 out_param);
+
+int mthca_SYS_EN(struct mthca_dev *dev, u8 *status);
+int mthca_SYS_DIS(struct mthca_dev *dev, u8 *status);
+int mthca_MAP_FA(struct mthca_dev *dev, int count,
+ struct scatterlist *sglist, u8 *status);
+int mthca_UNMAP_FA(struct mthca_dev *dev, u8 *status);
+int mthca_RUN_FW(struct mthca_dev *dev, u8 *status);
+int mthca_QUERY_FW(struct mthca_dev *dev, u8 *status);
+int mthca_ENABLE_LAM(struct mthca_dev *dev, u8 *status);
+int mthca_DISABLE_LAM(struct mthca_dev *dev, u8 *status);
+int mthca_QUERY_DDR(struct mthca_dev *dev, u8 *status);
+int mthca_QUERY_DEV_LIM(struct mthca_dev *dev,
+ struct mthca_dev_lim *dev_lim, u8 *status);
+int mthca_QUERY_ADAPTER(struct mthca_dev *dev,
+ struct mthca_adapter *adapter, u8 *status);
+int mthca_INIT_HCA(struct mthca_dev *dev,
+ struct mthca_init_hca_param *param,
+ u8 *status);
+int mthca_INIT_IB(struct mthca_dev *dev,
+ struct mthca_init_ib_param *param,
+ int port, u8 *status);
+int mthca_CLOSE_IB(struct mthca_dev *dev, int port, u8 *status);
+int mthca_CLOSE_HCA(struct mthca_dev *dev, int panic, u8 *status);
+int mthca_SW2HW_MPT(struct mthca_dev *dev, void *mpt_entry,
+ int mpt_index, u8 *status);
+int mthca_HW2SW_MPT(struct mthca_dev *dev, void *mpt_entry,
+ int mpt_index, u8 *status);
+int mthca_WRITE_MTT(struct mthca_dev *dev, u64 *mtt_entry,
+ int num_mtt, u8 *status);
+int mthca_MAP_EQ(struct mthca_dev *dev, u64 event_mask, int unmap,
+ int eq_num, u8 *status);
+int mthca_SW2HW_EQ(struct mthca_dev *dev, void *eq_context,
+ int eq_num, u8 *status);
+int mthca_HW2SW_EQ(struct mthca_dev *dev, void *eq_context,
+ int eq_num, u8 *status);
+int mthca_SW2HW_CQ(struct mthca_dev *dev, void *cq_context,
+ int cq_num, u8 *status);
+int mthca_HW2SW_CQ(struct mthca_dev *dev, void *cq_context,
+ int cq_num, u8 *status);
+int mthca_MODIFY_QP(struct mthca_dev *dev, int trans, u32 num,
+ int is_ee, void *qp_context, u32 optmask,
+ u8 *status);
+int mthca_QUERY_QP(struct mthca_dev *dev, u32 num, int is_ee,
+ void *qp_context, u8 *status);
+int mthca_CONF_SPECIAL_QP(struct mthca_dev *dev, int type, u32 qpn,
+ u8 *status);
+int mthca_MAD_IFC(struct mthca_dev *dev, int ignore_mkey, int port,
+ void *in_mad, void *response_mad, u8 *status);
+int mthca_READ_MGM(struct mthca_dev *dev, int index, void *mgm,
+ u8 *status);
+int mthca_WRITE_MGM(struct mthca_dev *dev, int index, void *mgm,
+ u8 *status);
+int mthca_MGID_HASH(struct mthca_dev *dev, void *gid, u16 *hash,
+ u8 *status);
+
+#define MAILBOX_ALIGN(x) ((void *) ALIGN((unsigned long) (x), MTHCA_CMD_MAILBOX_ALIGN))
+
+#endif /* MTHCA_CMD_H */
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