diff options
Diffstat (limited to 'src/drivers/net/mlx_ipoib/cmdif_comm.c')
| -rw-r--r-- | src/drivers/net/mlx_ipoib/cmdif_comm.c | 564 |
1 files changed, 0 insertions, 564 deletions
diff --git a/src/drivers/net/mlx_ipoib/cmdif_comm.c b/src/drivers/net/mlx_ipoib/cmdif_comm.c deleted file mode 100644 index d43a1068..00000000 --- a/src/drivers/net/mlx_ipoib/cmdif_comm.c +++ /dev/null @@ -1,564 +0,0 @@ -/* - 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 Mellanox Technologies Ltd. All rights reserved. -*/ - -#include "cmdif.h" -#include "cmdif_comm.h" -#include "cmdif_priv.h" - -static int cmdif_is_free(int *is_free) -{ - int rc; - __u32 result; - - rc = gw_read_cr(HCR_OFFSET_GO, &result); - if (rc) { - eprintf(""); - return rc; - } - *is_free = (result & 0x800000) == 0; - - return 0; -} - -static void edit_hcr(command_fields_t * cmd_prms, __u32 * buf) -{ - unsigned int i; - - switch (cmd_prms->in_trans) { - case TRANS_NA: - /* note! since these are zeroes I do not bother to deal with endianess */ - buf[0] = 0; - buf[1] = 0; - break; - - case TRANS_IMMEDIATE: - buf[0] = cmd_prms->in_param[0]; - buf[1] = cmd_prms->in_param[1]; - break; - - case TRANS_MAILBOX: - buf[0] = 0; - buf[1] = virt_to_bus(cmd_prms->in_param); - - for (i = 0; i < cmd_prms->in_param_size; i += 4) - cmd_prms->in_param[i >> 2] = - cpu_to_be32(cmd_prms->in_param[i >> 2]); - break; - } - - buf[2] = cmd_prms->input_modifier; - - switch (cmd_prms->out_trans) { - case TRANS_NA: - /* note! since these are zeroes I do not bother to deal with endianess */ - buf[3] = 0; - buf[4] = 0; - break; - - case TRANS_IMMEDIATE: - break; - case TRANS_MAILBOX: - buf[3] = 0; - buf[4] = virt_to_bus(cmd_prms->out_param); - break; - } - - buf[5] = 0; /* token is always 0 */ - buf[6] = cmd_prms->opcode | /* opcode */ - 0x800000 | /* go bit */ - ((cmd_prms->opcode_modifier & 0xf) << 12); /* opcode modifier -*/ } - -static int wait_cmdif_free(void) -{ - int ret, is_free; - unsigned int i, relax_time = 1, max_time = 5000; - - /* wait until go bit is free */ - for (i = 0; i < max_time; i += relax_time) { - ret = cmdif_is_free(&is_free); - if (ret) - return ret; - if (is_free) - break; - mdelay(relax_time); - } - if (i >= max_time) - return -1; - return 0; -} - -static XHH_cmd_status_t cmd_invoke(command_fields_t * cmd_prms) -{ - int ret, is_free, i; - __u32 hcr[7], data; - __u8 status; - - /* check if go bit is free */ - ret = cmdif_is_free(&is_free); - if (ret) { - eprintf(""); - return -1; - } - - __asm__ __volatile__("":::"memory"); - /* it must be free */ - if (!is_free) { - eprintf(""); - return -1; - } - __asm__ __volatile__("":::"memory"); - edit_hcr(cmd_prms, hcr); - __asm__ __volatile__("":::"memory"); - - for (i = 0; i < 7; ++i) { - ret = gw_write_cr(HCR_BASE + i * 4, hcr[i]); - if (ret) { - eprintf(""); - return -1; - } - } - - __asm__ __volatile__("":::"memory"); - /* wait for completion */ - ret = wait_cmdif_free(); - if (ret) { - eprintf(""); - return -1; - } - - __asm__ __volatile__("":::"memory"); - ret = gw_read_cr(HCR_OFFSET_STATUS, &data); - if (ret) { - eprintf(""); - return -1; - } - - status = data >> 24; - - if (status) { - tprintf("status=0x%x", status); - return status; - } - - if (cmd_prms->out_trans == TRANS_MAILBOX) - be_to_cpu_buf(cmd_prms->out_param, cmd_prms->out_param_size); - else if (cmd_prms->out_trans == TRANS_IMMEDIATE) { - if (gw_read_cr(HCR_OFFSET_OUTPRM_H, &cmd_prms->out_param[0])) - return -1; - if (gw_read_cr(HCR_OFFSET_OUTPRM_L, &cmd_prms->out_param[1])) - return -1; - } - - return 0; -} - -/************************************************* - commands -*************************************************/ - -/* - * cmd_close_hca - */ -static int cmd_close_hca(int panic) -{ - int rc; - command_fields_t cmd_desc; - - memset(&cmd_desc, 0, sizeof cmd_desc); - cmd_desc.opcode = XDEV_CMD_CLOSE_HCA; - cmd_desc.opcode_modifier= panic; - rc = cmd_invoke(&cmd_desc); - - return rc; -} - -/* - * cmd_init_hca - */ -static int cmd_init_hca(__u32 * inprm, __u32 in_prm_size) -{ - int rc; - - command_fields_t cmd_desc; - - memset(&cmd_desc, 0, sizeof cmd_desc); - cmd_desc.in_trans = TRANS_MAILBOX; - cmd_desc.opcode = XDEV_CMD_INIT_HCA; - cmd_desc.in_param = inprm; - cmd_desc.in_param_size = in_prm_size; - - rc = cmd_invoke(&cmd_desc); - - return rc; -} - -/* - * cmd_sw2hw_eq - */ -static int cmd_sw2hw_eq(__u32 inprm_sz) -{ - int rc; - command_fields_t cmd_desc; - void *inprm; - - memset(&cmd_desc, 0, sizeof cmd_desc); - - inprm = get_inprm_buf(); - cmd_desc.in_trans = TRANS_MAILBOX; - cmd_desc.opcode = XDEV_CMD_SW2HW_EQ; - cmd_desc.in_param = inprm; - cmd_desc.in_param_size = inprm_sz; - - rc = cmd_invoke(&cmd_desc); - - return rc; -} - -/* - * cmd_hw2sw_eq - */ -static int cmd_hw2sw_eq(__u8 eqn) -{ - int rc; - command_fields_t cmd_desc; - void *outprm; - - memset(&cmd_desc, 0, sizeof cmd_desc); - - outprm = get_outprm_buf(); - cmd_desc.opcode = XDEV_CMD_HW2SW_EQ; - cmd_desc.input_modifier = eqn; - cmd_desc.out_trans = TRANS_MAILBOX; - cmd_desc.out_param = outprm; - cmd_desc.out_param_size = 0x40; - rc = cmd_invoke(&cmd_desc); - - return rc; -} - -/* - * cmd_map_eq - */ -static int cmd_map_eq(__u8 eqn, __u32 mask, int map) -{ - int rc; - command_fields_t cmd_desc; - __u32 *inprm; - - memset(&cmd_desc, 0, sizeof cmd_desc); - - inprm = get_inprm_buf(); - - inprm[1] = mask; - inprm[0] = 0; - - cmd_desc.opcode = XDEV_CMD_MAP_EQ; - cmd_desc.in_trans = TRANS_IMMEDIATE; - cmd_desc.in_param = inprm; - cmd_desc.input_modifier = ((map ? 0 : 1) << 31) | eqn; - - rc = cmd_invoke(&cmd_desc); - - return rc; -} - -/* - * cmd_sw2hw_mpt - */ -static int cmd_sw2hw_mpt(__u32 * lkey, __u32 in_key, __u32 * inprm, - __u32 inprm_sz) -{ - int rc; - command_fields_t cmd_desc; - - memset(&cmd_desc, 0, sizeof cmd_desc); - cmd_desc.in_trans = TRANS_MAILBOX; - cmd_desc.opcode = XDEV_CMD_SW2HW_MPT; - cmd_desc.input_modifier = in_key & MKEY_IDX_MASK; /* only one MR for the whole driver */ - cmd_desc.in_param = inprm; - cmd_desc.in_param_size = inprm_sz; - - rc = cmd_invoke(&cmd_desc); - if (!rc) - *lkey = in_key; - - return rc; -} - -/* - * cmd_hw2sw_mpt - */ -static int cmd_hw2sw_mpt(__u32 key) -{ - int rc; - command_fields_t cmd_desc; - - memset(&cmd_desc, 0, sizeof cmd_desc); - cmd_desc.opcode = XDEV_CMD_HW2SW_MPT; - cmd_desc.input_modifier = key & MKEY_IDX_MASK; - cmd_desc.opcode_modifier = 1; - - rc = cmd_invoke(&cmd_desc); - - return rc; -} - -/* - * cmd_init_ib - */ -static int cmd_init_ib(__u32 port, __u32 * inprm, __u32 inprm_sz) -{ - int rc; - command_fields_t cmd_desc; - - memset(&cmd_desc, 0, sizeof cmd_desc); - cmd_desc.opcode = XDEV_CMD_INIT_IB; - cmd_desc.input_modifier = port; - cmd_desc.in_trans = TRANS_MAILBOX; - cmd_desc.in_param = inprm; - cmd_desc.in_param_size = inprm_sz; - - rc = cmd_invoke(&cmd_desc); - - return rc; -} - -/* - * cmd_close_ib - */ -static int cmd_close_ib(__u32 port) -{ - int rc; - command_fields_t cmd_desc; - - memset(&cmd_desc, 0, sizeof cmd_desc); - cmd_desc.opcode = XDEV_CMD_CLOSE_IB; - cmd_desc.input_modifier = port; - - rc = cmd_invoke(&cmd_desc); - - return rc; -} - -/* - * cmd_sw2hw_cq - */ -static int cmd_sw2hw_cq(__u32 cqn, __u32 * inprm, __u32 inprm_sz) -{ - int rc; - command_fields_t cmd_desc; - - memset(&cmd_desc, 0, sizeof cmd_desc); - cmd_desc.opcode = XDEV_CMD_SW2HW_CQ; - cmd_desc.in_trans = TRANS_MAILBOX; - cmd_desc.in_param = inprm; - cmd_desc.in_param_size = inprm_sz; - cmd_desc.input_modifier = cqn; - - rc = cmd_invoke(&cmd_desc); - - return rc; -} - -/* - * cmd_hw2sw_cq - */ -static int cmd_hw2sw_cq(__u32 cqn) -{ - int rc; - command_fields_t cmd_desc; - - memset(&cmd_desc, 0, sizeof cmd_desc); - cmd_desc.opcode = XDEV_CMD_HW2SW_CQ; - cmd_desc.input_modifier = cqn; - cmd_desc.out_trans = TRANS_MAILBOX; - cmd_desc.out_param = get_outprm_buf(); - - rc = cmd_invoke(&cmd_desc); - - return rc; -} - -/* - * cmd_rst2init_qpee - */ -static int cmd_rst2init_qpee(__u32 qpn, __u32 * inprm, __u32 inprm_sz) -{ - int rc; - command_fields_t cmd_desc; - - memset(&cmd_desc, 0, sizeof cmd_desc); - cmd_desc.opcode = XDEV_CMD_RST2INIT_QPEE; - cmd_desc.in_trans = TRANS_MAILBOX; - cmd_desc.in_param = inprm; - cmd_desc.in_param_size = inprm_sz; - cmd_desc.input_modifier = qpn; - - rc = cmd_invoke(&cmd_desc); - - return rc; -} - -/* - * cmd_init2rtr_qpee - */ -static int cmd_init2rtr_qpee(__u32 qpn, __u32 * inprm, __u32 inprm_sz) -{ - int rc; - command_fields_t cmd_desc; - - memset(&cmd_desc, 0, sizeof cmd_desc); - cmd_desc.opcode = XDEV_CMD_INIT2RTR_QPEE; - cmd_desc.in_trans = TRANS_MAILBOX; - cmd_desc.in_param = inprm; - cmd_desc.in_param_size = inprm_sz; - cmd_desc.input_modifier = qpn;; - - rc = cmd_invoke(&cmd_desc); - - return rc; -} - -/* - * cmd_rtr2rts_qpee - */ -static int cmd_rtr2rts_qpee(__u32 qpn, __u32 * inprm, __u32 inprm_sz) -{ - int rc; - command_fields_t cmd_desc; - - memset(&cmd_desc, 0, sizeof cmd_desc); - cmd_desc.opcode = XDEV_CMD_RTR2RTS_QPEE; - cmd_desc.in_trans = TRANS_MAILBOX; - cmd_desc.in_param = inprm; - cmd_desc.in_param_size = inprm_sz; - cmd_desc.input_modifier = qpn; - - rc = cmd_invoke(&cmd_desc); - - return rc; -} - -/* - * cmd_2rst_qpee - */ -static int cmd_2rst_qpee(__u32 qpn) -{ - int rc; - command_fields_t cmd_desc; - - memset(&cmd_desc, 0, sizeof cmd_desc); - cmd_desc.opcode = XDEV_CMD_ERR2RST_QPEE; - cmd_desc.opcode_modifier = 0; - cmd_desc.input_modifier = qpn; - cmd_desc.out_trans = TRANS_MAILBOX; - cmd_desc.out_param = get_outprm_buf(); - - rc = cmd_invoke(&cmd_desc); - - return rc; -} - -/* - * cmd_2err_qpee - */ -static int cmd_2err_qpee(__u32 qpn) -{ - int rc; - command_fields_t cmd_desc; - - memset(&cmd_desc, 0, sizeof cmd_desc); - cmd_desc.opcode = XDEV_CMD_2ERR_QPEE; - cmd_desc.input_modifier = qpn; - - rc = cmd_invoke(&cmd_desc); - - return rc; -} - -/* - * cmd_post_doorbell - */ -static int cmd_post_doorbell(void *inprm, __u32 offset) -{ - int rc; - command_fields_t cmd_desc; - - memset(&cmd_desc, 0, sizeof cmd_desc); - cmd_desc.opcode = XDEV_CMD_POST_DOORBELL; - cmd_desc.in_trans = TRANS_IMMEDIATE; - cmd_desc.in_param = inprm; - cmd_desc.input_modifier = offset; - if (0) { - rc = cmd_invoke(&cmd_desc); - } else { - dev_post_dbell(inprm, offset); - rc = 0; - } - - return rc; -} - -static int cmd_mad_ifc(void *inprm, struct ib_mad_st *mad, __u8 port) -{ - int rc; - command_fields_t cmd_desc; - - memset(&cmd_desc, 0, sizeof cmd_desc); - cmd_desc.opcode = XDEV_CMD_MAD_IFC; - cmd_desc.opcode_modifier = 1; /* no mkey/bkey validation */ - cmd_desc.input_modifier = port; - cmd_desc.in_trans = TRANS_MAILBOX; - cmd_desc.in_param_size = 256; - cmd_desc.in_param = (__u32 *) inprm; - cmd_desc.out_trans = TRANS_MAILBOX; - cmd_desc.out_param = (__u32 *) mad; - cmd_desc.out_param_size = 256; - rc = cmd_invoke(&cmd_desc); - - return rc; -} - -static int cmd_mgid_hash(__u8 * gid, __u16 * mgid_hash_p) -{ - int rc; - command_fields_t cmd_desc; - __u16 result[2]; - - memset(&cmd_desc, 0, sizeof cmd_desc); - - cmd_desc.opcode = XDEV_CMD_MGID_HASH; - cmd_desc.in_trans = TRANS_MAILBOX; - cmd_desc.in_param = (__u32 *) gid; - cmd_desc.in_param_size = 16; - cmd_desc.out_trans = TRANS_IMMEDIATE; - - rc = cmd_invoke(&cmd_desc); - if (!rc) { - rc = gw_read_cr(HCR_BASE + 16, (__u32 *) result); - if (!rc) { - *mgid_hash_p = result[0]; - } - } - - return rc; -} |