/*
* Uninitialize the resources used during PQI initialization.
*/
void pqisrc_pqi_uninit(pqisrc_softstate_t *softs)
{
int i;
DBG_FUNC("IN\n");
if(softs->devlist_lockcreated==true){
os_uninit_spinlock(&softs->devlist_lock);
softs->devlist_lockcreated = false;
}
for (i = 0; i < softs->num_op_raid_ibq; i++) {
/* OP RAID IB Q */
if(softs->op_raid_ib_q[i].lockcreated==true){
OS_UNINIT_PQILOCK(&softs->op_raid_ib_q[i].lock);
softs->op_raid_ib_q[i].lockcreated = false;
}
/* OP AIO IB Q */
if(softs->op_aio_ib_q[i].lockcreated==true){
OS_UNINIT_PQILOCK(&softs->op_aio_ib_q[i].lock);
softs->op_aio_ib_q[i].lockcreated = false;
}
}
/* Free Op queues */
os_dma_mem_free(softs, &softs->op_ibq_dma_mem);
os_dma_mem_free(softs, &softs->op_obq_dma_mem);
os_dma_mem_free(softs, &softs->event_q_dma_mem);
/* Complete all pending commands. */
os_complete_outstanding_cmds_nodevice(softs);
/* Free rcb */
pqisrc_free_rcb(softs, softs->max_outstanding_io + 1);
/* Free request id lists */
pqisrc_destroy_taglist(softs,&softs->taglist);
if(softs->admin_ib_queue.lockcreated==true){
OS_UNINIT_PQILOCK(&softs->admin_ib_queue.lock);
softs->admin_ib_queue.lockcreated = false;
}
/* Free Admin Queue */
os_dma_mem_free(softs, &softs->admin_queue_dma_mem);
/* Switch back to SIS mode */
if (pqisrc_force_sis(softs)) {
DBG_ERR("Failed to switch back the adapter to SIS mode!\n");
}
DBG_FUNC("OUT\n");
}
/*
* Function used to deallocate the used rcb.
*/
void pqisrc_free_rcb(pqisrc_softstate_t *softs, int req_count)
{
uint32_t num_req;
size_t size;
int i;
DBG_FUNC("IN\n");
num_req = softs->max_outstanding_io + 1;
size = num_req * sizeof(rcb_t);
for (i = 1; i < req_count; i++)
os_dma_mem_free(softs, &softs->sg_dma_desc[i]);
os_mem_free(softs, (void *)softs->rcb, size);
softs->rcb = NULL;
DBG_FUNC("OUT\n");
}
/*
* Request the adapter to get PQI capabilities supported.
*/
static int pqisrc_report_pqi_capability(pqisrc_softstate_t *softs)
{
int ret = PQI_STATUS_SUCCESS;
DBG_FUNC("IN\n");
gen_adm_req_iu_t admin_req;
gen_adm_resp_iu_t admin_resp;
dma_mem_t pqi_cap_dma_buf;
pqi_dev_cap_t *capability = NULL;
pqi_iu_layer_desc_t *iu_layer_desc = NULL;
/* Allocate Non DMA memory */
capability = os_mem_alloc(softs, sizeof(*capability));
if (!capability) {
DBG_ERR("Failed to allocate memory for capability\n");
ret = PQI_STATUS_FAILURE;
goto err_out;
}
memset(&admin_req, 0, sizeof(admin_req));
memset(&admin_resp, 0, sizeof(admin_resp));
memset(&pqi_cap_dma_buf, 0, sizeof(struct dma_mem));
pqi_cap_dma_buf.tag = "pqi_cap_buf";
pqi_cap_dma_buf.size = REPORT_PQI_DEV_CAP_DATA_BUF_SIZE;
pqi_cap_dma_buf.align = PQISRC_DEFAULT_DMA_ALIGN;
ret = os_dma_mem_alloc(softs, &pqi_cap_dma_buf);
if (ret) {
DBG_ERR("Failed to allocate capability DMA buffer : %d\n", ret);
goto err_dma_alloc;
}
admin_req.fn_code = PQI_FUNCTION_REPORT_DEV_CAP;
admin_req.req_type.general_func.buf_size = pqi_cap_dma_buf.size;
admin_req.req_type.general_func.sg_desc.length = pqi_cap_dma_buf.size;
admin_req.req_type.general_func.sg_desc.addr = pqi_cap_dma_buf.dma_addr;
admin_req.req_type.general_func.sg_desc.type = SGL_DESCRIPTOR_CODE_DATA_BLOCK;
ret = pqisrc_submit_admin_req(softs, &admin_req, &admin_resp);
if( PQI_STATUS_SUCCESS == ret) {
memcpy(capability,
pqi_cap_dma_buf.virt_addr,
pqi_cap_dma_buf.size);
} else {
DBG_ERR("Failed to send admin req report pqi device capability\n");
goto err_admin_req;
}
softs->pqi_dev_cap.max_iqs = capability->max_iqs;
softs->pqi_dev_cap.max_iq_elements = capability->max_iq_elements;
softs->pqi_dev_cap.max_iq_elem_len = capability->max_iq_elem_len;
softs->pqi_dev_cap.min_iq_elem_len = capability->min_iq_elem_len;
softs->pqi_dev_cap.max_oqs = capability->max_oqs;
softs->pqi_dev_cap.max_oq_elements = capability->max_oq_elements;
softs->pqi_dev_cap.max_oq_elem_len = capability->max_oq_elem_len;
softs->pqi_dev_cap.intr_coales_time_granularity = capability->intr_coales_time_granularity;
iu_layer_desc = &capability->iu_layer_desc[PQI_PROTOCOL_SOP];
softs->max_ib_iu_length_per_fw = iu_layer_desc->max_ib_iu_len;
softs->ib_spanning_supported = iu_layer_desc->ib_spanning_supported;
softs->ob_spanning_supported = iu_layer_desc->ob_spanning_supported;
DBG_INIT("softs->pqi_dev_cap.max_iqs: %d\n", softs->pqi_dev_cap.max_iqs);
DBG_INIT("softs->pqi_dev_cap.max_iq_elements: %d\n", softs->pqi_dev_cap.max_iq_elements);
DBG_INIT("softs->pqi_dev_cap.max_iq_elem_len: %d\n", softs->pqi_dev_cap.max_iq_elem_len);
DBG_INIT("softs->pqi_dev_cap.min_iq_elem_len: %d\n", softs->pqi_dev_cap.min_iq_elem_len);
DBG_INIT("softs->pqi_dev_cap.max_oqs: %d\n", softs->pqi_dev_cap.max_oqs);
DBG_INIT("softs->pqi_dev_cap.max_oq_elements: %d\n", softs->pqi_dev_cap.max_oq_elements);
DBG_INIT("softs->pqi_dev_cap.max_oq_elem_len: %d\n", softs->pqi_dev_cap.max_oq_elem_len);
DBG_INIT("softs->pqi_dev_cap.intr_coales_time_granularity: %d\n", softs->pqi_dev_cap.intr_coales_time_granularity);
DBG_INIT("softs->max_ib_iu_length_per_fw: %d\n", softs->max_ib_iu_length_per_fw);
DBG_INIT("softs->ib_spanning_supported: %d\n", softs->ib_spanning_supported);
DBG_INIT("softs->ob_spanning_supported: %d\n", softs->ob_spanning_supported);
os_mem_free(softs, (void *)capability,
REPORT_PQI_DEV_CAP_DATA_BUF_SIZE);
os_dma_mem_free(softs, &pqi_cap_dma_buf);
DBG_FUNC("OUT\n");
return ret;
err_admin_req:
os_dma_mem_free(softs, &pqi_cap_dma_buf);
err_dma_alloc:
if (capability)
os_mem_free(softs, (void *)capability,
REPORT_PQI_DEV_CAP_DATA_BUF_SIZE);
err_out:
DBG_FUNC("failed OUT\n");
return PQI_STATUS_FAILURE;
}
