emlxs_pkt.c revision a9800beb32c1006bb21c8da39e0180ea440b7bad
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * CDDL HEADER START
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * The contents of this file are subject to the terms of the
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * Common Development and Distribution License (the "License").
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fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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a9800beb32c1006bb21c8da39e0180ea440b7badGarrett D'Amore * Copyright 2010 Emulex. All rights reserved.
825277341c15b6b0d2c4b8b622ae7b1d2bdc0390Sukumar Swaminathan * Use is subject to license terms.
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte/* Required for EMLXS_CONTEXT in EMLXS_MSGF calls */
291a2b48b9adcd7b3666c34e80ba6411929afe7fSukumar Swaminathan#endif /* >= EMLXS_MODREV3 */
bb63f56ebeb244bd34f5e8d50900e3420f01b394Sukumar Swaminathanemlxs_pkt_thread(emlxs_hba_t *hba, void *arg1, void *arg2)
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte /* Send the pkt now */
291a2b48b9adcd7b3666c34e80ba6411929afe7fSukumar Swaminathan "Deferred emlxs_pkt_send failed: status=%x pkt=%p", rval,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte emlxs_set_pkt_state(sbp, IOSTAT_LOCAL_REJECT, 0, 1);
825277341c15b6b0d2c4b8b622ae7b1d2bdc0390Sukumar Swaminathan ((CHANNEL *)sbp->channel)->ulpCmplCmd++;
825277341c15b6b0d2c4b8b622ae7b1d2bdc0390Sukumar Swaminathan} /* emlxs_pkt_thread() */
bb63f56ebeb244bd34f5e8d50900e3420f01b394Sukumar Swaminathan emlxs_port_t *port = (emlxs_port_t *)pkt->pkt_ulp_private;
a9800beb32c1006bb21c8da39e0180ea440b7badGarrett D'Amore rval = emlxs_fca_transport((opaque_t)port, pkt);
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte /* Spawn a thread to send the pkt */
bb63f56ebeb244bd34f5e8d50900e3420f01b394Sukumar Swaminathan emlxs_thread_spawn(hba, emlxs_pkt_thread, (char *)pkt, NULL);
825277341c15b6b0d2c4b8b622ae7b1d2bdc0390Sukumar Swaminathan} /* emlxs_pkt_send() */
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte emlxs_port_t *port = (emlxs_port_t *)pkt->pkt_ulp_private;
a9800beb32c1006bb21c8da39e0180ea440b7badGarrett D'Amore (void) emlxs_fca_pkt_uninit((opaque_t)port, pkt);
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte kmem_free(pkt, (sizeof (fc_packet_t) + sizeof (emlxs_buf_t) +
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte kmem_free(pkt, (sizeof (fc_packet_t) + sizeof (emlxs_buf_t)));
291a2b48b9adcd7b3666c34e80ba6411929afe7fSukumar Swaminathan#endif /* >= EMLXS_MODREV3 */
825277341c15b6b0d2c4b8b622ae7b1d2bdc0390Sukumar Swaminathan} /* emlxs_pkt_free() */
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte/* Default pkt callback routine */
825277341c15b6b0d2c4b8b622ae7b1d2bdc0390Sukumar Swaminathan} /* emlxs_pkt_callback() */
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forteemlxs_pkt_alloc(emlxs_port_t *port, uint32_t cmdlen, uint32_t rsplen,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte unsigned long real_len;
291a2b48b9adcd7b3666c34e80ba6411929afe7fSukumar Swaminathan sizeof (fc_packet_t) + sizeof (emlxs_buf_t) +
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte pkt_size = sizeof (fc_packet_t) + sizeof (emlxs_buf_t);
291a2b48b9adcd7b3666c34e80ba6411929afe7fSukumar Swaminathan#endif /* >= EMLXS_MODREV3 */
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte /* Allocate some space */
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte if (!(pkt = (fc_packet_t *)kmem_alloc(pkt_size, sleep))) {
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte cb = (sleep == KM_SLEEP) ? DDI_DMA_SLEEP : DDI_DMA_DONTWAIT;
291a2b48b9adcd7b3666c34e80ba6411929afe7fSukumar Swaminathan (opaque_t)((uintptr_t)pkt + sizeof (fc_packet_t));
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte pkt->pkt_tran_flags = (FC_TRAN_CLASS3 | FC_TRAN_INTR);
291a2b48b9adcd7b3666c34e80ba6411929afe7fSukumar Swaminathan (emlxs_pkt_cookie_t *)((uintptr_t)pkt + sizeof (fc_packet_t) +
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte pkt->pkt_cmd_cookie = &pkt_cookie->pkt_cmd_cookie;
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte pkt->pkt_resp_cookie = &pkt_cookie->pkt_resp_cookie;
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte pkt->pkt_data_cookie = &pkt_cookie->pkt_data_cookie;
291a2b48b9adcd7b3666c34e80ba6411929afe7fSukumar Swaminathan#endif /* >= EMLXS_MODREV3 */
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte /* Allocate the cmd buf */
62379b581655b9c347d192fce07f06c575a54ea3Sukumar Swaminathan if (ddi_dma_alloc_handle(hba->dip, &hba->dma_attr_1sg, cb,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte &emlxs_data_acc_attr, DDI_DMA_CONSISTENT, cb, NULL,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte if (ddi_dma_addr_bind_handle(pkt->pkt_cmd_dma, NULL,
291a2b48b9adcd7b3666c34e80ba6411929afe7fSukumar Swaminathan DDI_DMA_WRITE | DDI_DMA_CONSISTENT, cb, NULL,
291a2b48b9adcd7b3666c34e80ba6411929afe7fSukumar Swaminathan &pkt->pkt_cmd_cookie_cnt) != DDI_DMA_MAPPED)
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte if (ddi_dma_addr_bind_handle(pkt->pkt_cmd_dma, NULL,
291a2b48b9adcd7b3666c34e80ba6411929afe7fSukumar Swaminathan DDI_DMA_WRITE | DDI_DMA_CONSISTENT, cb, NULL,
291a2b48b9adcd7b3666c34e80ba6411929afe7fSukumar Swaminathan &pkt->pkt_cmd_cookie, &num_cookie) != DDI_DMA_MAPPED)
291a2b48b9adcd7b3666c34e80ba6411929afe7fSukumar Swaminathan#endif /* >= EMLXS_MODREV3 */
291a2b48b9adcd7b3666c34e80ba6411929afe7fSukumar Swaminathan#endif /* >= EMLXS_MODREV3 */
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte /* Allocate the rsp buf */
62379b581655b9c347d192fce07f06c575a54ea3Sukumar Swaminathan if (ddi_dma_alloc_handle(hba->dip, &hba->dma_attr_1sg, cb,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte &emlxs_data_acc_attr, DDI_DMA_CONSISTENT, cb, NULL,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte if (ddi_dma_addr_bind_handle(pkt->pkt_resp_dma, NULL,
291a2b48b9adcd7b3666c34e80ba6411929afe7fSukumar Swaminathan DDI_DMA_READ | DDI_DMA_CONSISTENT, cb, NULL,
291a2b48b9adcd7b3666c34e80ba6411929afe7fSukumar Swaminathan &pkt->pkt_resp_cookie_cnt) != DDI_DMA_MAPPED)
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte if (ddi_dma_addr_bind_handle(pkt->pkt_resp_dma, NULL,
291a2b48b9adcd7b3666c34e80ba6411929afe7fSukumar Swaminathan DDI_DMA_READ | DDI_DMA_CONSISTENT, cb, NULL,
291a2b48b9adcd7b3666c34e80ba6411929afe7fSukumar Swaminathan &pkt->pkt_resp_cookie, &num_cookie) != DDI_DMA_MAPPED)
291a2b48b9adcd7b3666c34e80ba6411929afe7fSukumar Swaminathan#endif /* >= EMLXS_MODREV3 */
291a2b48b9adcd7b3666c34e80ba6411929afe7fSukumar Swaminathan#endif /* >= EMLXS_MODREV3 */
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte /* Allocate the data buf */
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte /* Allocate the rsp buf */
62379b581655b9c347d192fce07f06c575a54ea3Sukumar Swaminathan if (ddi_dma_alloc_handle(hba->dip, &hba->dma_attr_1sg, cb,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte if (ddi_dma_mem_alloc(pkt->pkt_data_dma, datalen,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte &emlxs_data_acc_attr, DDI_DMA_CONSISTENT, cb, NULL,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte if (ddi_dma_addr_bind_handle(pkt->pkt_data_dma, NULL,
291a2b48b9adcd7b3666c34e80ba6411929afe7fSukumar Swaminathan DDI_DMA_READ | DDI_DMA_WRITE | DDI_DMA_CONSISTENT, cb,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte if (ddi_dma_addr_bind_handle(pkt->pkt_data_dma, NULL,
291a2b48b9adcd7b3666c34e80ba6411929afe7fSukumar Swaminathan DDI_DMA_READ | DDI_DMA_WRITE | DDI_DMA_CONSISTENT, cb,
291a2b48b9adcd7b3666c34e80ba6411929afe7fSukumar Swaminathan#endif /* >= EMLXS_MODREV3 */
291a2b48b9adcd7b3666c34e80ba6411929afe7fSukumar Swaminathan#endif /* >= EMLXS_MODREV3 */
728bdc9be5faf84b5dca42f545967bd4910d608eSukumar Swaminathan bzero((void *)sbp, sizeof (emlxs_buf_t));
a9800beb32c1006bb21c8da39e0180ea440b7badGarrett D'Amore mutex_init(&sbp->mtx, NULL, MUTEX_DRIVER, DDI_INTR_PRI(hba->intr_arg));
825277341c15b6b0d2c4b8b622ae7b1d2bdc0390Sukumar Swaminathan sbp->pkt_flags = PACKET_VALID | PACKET_ULP_OWNED | PACKET_ALLOCATED;
825277341c15b6b0d2c4b8b622ae7b1d2bdc0390Sukumar Swaminathan} /* emlxs_pkt_alloc() */