[PATCH v3 28/31] elx: efct: Firmware update, async link processing

James Smart
2020-04-12T03:34:08Z

This patch continues the efct driver population.

This patch adds driver definitions for:
Handling of async link event.
Registrations for VFI, VPI and RPI.
Add Firmware update helper routines.

Signed-off-by: Ram Vegesna <ram.vegesna@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>

---
v3:
Reworked efct_hw_port_attach_reg_vpi() and efct_hw_port_attach_reg_vfi()
Return defined values
---
drivers/scsi/elx/efct/efct_hw.c | 1509 +++++++++++++++++++++++++++++++++++++++
drivers/scsi/elx/efct/efct_hw.h | 58 ++
2 files changed, 1567 insertions(+)

diff --git a/drivers/scsi/elx/efct/efct_hw.c b/drivers/scsi/elx/efct/efct_hw.c
index a007ca98895d..b3a1ec0f674b 100644
--- a/drivers/scsi/elx/efct/efct_hw.c
+++ b/drivers/scsi/elx/efct/efct_hw.c
@@ -42,6 +42,12 @@ struct efct_hw_host_stat_cb_arg {
void *arg;
};

+struct efct_hw_fw_wr_cb_arg {
+ void (*cb)(int status, u32 bytes_written,
+ u32 change_status, void *arg);
+ void *arg;
+};
+
static enum efct_hw_rtn
efct_hw_link_event_init(struct efct_hw *hw)
{
@@ -3836,3 +3842,1506 @@ efct_hw_get_num_eq(struct efct_hw *hw)
{
return hw->eq_count;
}
+
+/* HW async call context structure */
+struct efct_hw_async_call_ctx {
+ efct_hw_async_cb_t callback;
+ void *arg;
+ u8 cmd[SLI4_BMBX_SIZE];
+};
+
+static void
+efct_hw_async_cb(struct efct_hw *hw, int status, u8 *mqe, void *arg)
+{
+ struct efct_hw_async_call_ctx *ctx = arg;
+
+ if (ctx) {
+ if (ctx->callback)
+ (*ctx->callback)(hw, status, mqe, ctx->arg);
+
+ kfree(ctx);
+ }
+}
+
+/*
+ * Post a NOP mbox cmd; the callback with argument is invoked upon completion
+ * while in the event processing context.
+ */
+int
+efct_hw_async_call(struct efct_hw *hw,
+ efct_hw_async_cb_t callback, void *arg)
+{
+ int rc = 0;
+ struct efct_hw_async_call_ctx *ctx;
+
+ /*
+ * Allocate a callback context (which includes the mbox cmd buffer),
+ * we need this to be persistent as the mbox cmd submission may be
+ * queued and executed later execution.
+ */
+ ctx = kmalloc(sizeof(*ctx), GFP_ATOMIC);
+ if (!ctx)
+ return EFCT_HW_RTN_NO_MEMORY;
+
+ memset(ctx, 0, sizeof(*ctx));
+ ctx->callback = callback;
+ ctx->arg = arg;
+
+ /* Build and send a NOP mailbox command */
+ if (sli_cmd_common_nop(&hw->sli, ctx->cmd, sizeof(ctx->cmd), 0)) {
+ efc_log_err(hw->os, "COMMON_NOP format failure\n");
+ kfree(ctx);
+ rc = -1;
+ }
+
+ if (efct_hw_command(hw, ctx->cmd, EFCT_CMD_NOWAIT, efct_hw_async_cb,
+ ctx)) {
+ efc_log_err(hw->os, "COMMON_NOP command failure\n");
+ kfree(ctx);
+ rc = -1;
+ }
+ return rc;
+}
+
+static void
+efct_hw_port_free_resources(struct efc_sli_port *sport, int evt, void *data)
+{
+ struct efct_hw *hw = sport->hw;
+ struct efct *efct = hw->os;
+
+ /* Clear the sport attached flag */
+ sport->attached = false;
+
+ /* Free the service parameters buffer */
+ if (sport->dma.virt) {
+ dma_free_coherent(&efct->pcidev->dev,
+ sport->dma.size, sport->dma.virt,
+ sport->dma.phys);
+ memset(&sport->dma, 0, sizeof(struct efc_dma));
+ }
+
+ /* Free the command buffer */
+ kfree(data);
+
+ /* Free the SLI resources */
+ sli_resource_free(&hw->sli, SLI_RSRC_VPI, sport->indicator);
+
+ efc_lport_cb(efct->efcport, evt, sport);
+}
+
+static int
+efct_hw_port_get_mbox_status(struct efc_sli_port *sport,
+ u8 *mqe, int status)
+{
+ struct efct_hw *hw = sport->hw;
+ struct sli4_mbox_command_header *hdr =
+ (struct sli4_mbox_command_header *)mqe;
+ int rc = 0;
+
+ if (status || le16_to_cpu(hdr->status)) {
+ efc_log_debug(hw->os, "bad status vpi=%#x st=%x hdr=%x\n",
+ sport->indicator, status,
+ le16_to_cpu(hdr->status));
+ rc = -1;
+ }
+
+ return rc;
+}
+
+static int
+efct_hw_port_free_unreg_vpi_cb(struct efct_hw *hw,
+ int status, u8 *mqe, void *arg)
+{
+ struct efc_sli_port *sport = arg;
+ int evt = EFC_HW_PORT_FREE_OK;
+ int rc = 0;
+
+ rc = efct_hw_port_get_mbox_status(sport, mqe, status);
+ if (rc) {
+ evt = EFC_HW_PORT_FREE_FAIL;
+ rc = -1;
+ }
+
+ efct_hw_port_free_resources(sport, evt, mqe);
+ return rc;
+}
+
+static void
+efct_hw_port_free_unreg_vpi(struct efc_sli_port *sport, void *data)
+{
+ struct efct_hw *hw = sport->hw;
+ int rc;
+
+ /* Allocate memory and send unreg_vpi */
+ if (!data) {
+ data = kmalloc(SLI4_BMBX_SIZE, GFP_ATOMIC);
+ if (!data) {
+ efct_hw_port_free_resources(sport,
+ EFC_HW_PORT_FREE_FAIL,
+ data);
+ return;
+ }
+ memset(data, 0, SLI4_BMBX_SIZE);
+ }
+
+ rc = sli_cmd_unreg_vpi(&hw->sli, data, SLI4_BMBX_SIZE,
+ sport->indicator, SLI4_UNREG_TYPE_PORT);
+ if (rc) {
+ efc_log_err(hw->os, "UNREG_VPI format failure\n");
+ efct_hw_port_free_resources(sport,
+ EFC_HW_PORT_FREE_FAIL, data);
+ return;
+ }
+
+ rc = efct_hw_command(hw, data, EFCT_CMD_NOWAIT,
+ efct_hw_port_free_unreg_vpi_cb, sport);
+ if (rc) {
+ efc_log_err(hw->os, "UNREG_VPI command failure\n");
+ efct_hw_port_free_resources(sport,
+ EFC_HW_PORT_FREE_FAIL, data);
+ }
+}
+
+static void
+efct_hw_port_send_evt(struct efc_sli_port *sport, int evt, void *data)
+{
+ struct efct_hw *hw = sport->hw;
+ struct efct *efct = hw->os;
+
+ /* Free the mbox buffer */
+ kfree(data);
+
+ /* Now inform the registered callbacks */
+ efc_lport_cb(efct->efcport, evt, sport);
+
+ /* Set the sport attached flag */
+ if (evt == EFC_HW_PORT_ATTACH_OK)
+ sport->attached = true;
+
+ /* If there is a pending free request, then handle it now */
+ if (sport->free_req_pending)
+ efct_hw_port_free_unreg_vpi(sport, NULL);
+}
+
+static int
+efct_hw_port_alloc_init_vpi_cb(struct efct_hw *hw,
+ int status, u8 *mqe, void *arg)
+{
+ struct efc_sli_port *sport = arg;
+ int rc;
+
+ rc = efct_hw_port_get_mbox_status(sport, mqe, status);
+ if (rc) {
+ efct_hw_port_free_resources(sport,
+ EFC_HW_PORT_ALLOC_FAIL, mqe);
+ return EFC_FAIL;
+ }
+
+ efct_hw_port_send_evt(sport, EFC_HW_PORT_ALLOC_OK, mqe);
+ return EFC_SUCCESS;
+}
+
+static void
+efct_hw_port_alloc_init_vpi(struct efc_sli_port *sport, void *data)
+{
+ struct efct_hw *hw = sport->hw;
+ int rc;
+
+ /* If there is a pending free request, then handle it now */
+ if (sport->free_req_pending) {
+ efct_hw_port_free_resources(sport, EFC_HW_PORT_FREE_OK, data);
+ return;
+ }
+
+ rc = sli_cmd_init_vpi(&hw->sli, data, SLI4_BMBX_SIZE,
+ sport->indicator, sport->domain->indicator);
+ if (rc) {
+ efc_log_err(hw->os, "INIT_VPI format failure\n");
+ efct_hw_port_free_resources(sport,
+ EFC_HW_PORT_ALLOC_FAIL, data);
+ return;
+ }
+
+ rc = efct_hw_command(hw, data, EFCT_CMD_NOWAIT,
+ efct_hw_port_alloc_init_vpi_cb, sport);
+ if (rc) {
+ efc_log_err(hw->os, "INIT_VPI command failure\n");
+ efct_hw_port_free_resources(sport,
+ EFC_HW_PORT_ALLOC_FAIL, data);
+ }
+}
+
+static int
+efct_hw_port_alloc_read_sparm64_cb(struct efct_hw *hw,
+ int status, u8 *mqe, void *arg)
+{
+ struct efc_sli_port *sport = arg;
+ u8 *payload = NULL;
+ struct efct *efct = hw->os;
+ int rc;
+
+ rc = efct_hw_port_get_mbox_status(sport, mqe, status);
+ if (rc) {
+ efct_hw_port_free_resources(sport,
+ EFC_HW_PORT_ALLOC_FAIL, mqe);
+ return EFC_FAIL;
+ }
+
+ payload = sport->dma.virt;
+
+ memcpy(&sport->sli_wwpn,
+ payload + SLI4_READ_SPARM64_WWPN_OFFSET,
+ sizeof(sport->sli_wwpn));
+ memcpy(&sport->sli_wwnn,
+ payload + SLI4_READ_SPARM64_WWNN_OFFSET,
+ sizeof(sport->sli_wwnn));
+
+ dma_free_coherent(&efct->pcidev->dev,
+ sport->dma.size, sport->dma.virt, sport->dma.phys);
+ memset(&sport->dma, 0, sizeof(struct efc_dma));
+ efct_hw_port_alloc_init_vpi(sport, mqe);
+ return EFC_SUCCESS;
+}
+
+static void
+efct_hw_port_alloc_read_sparm64(struct efc_sli_port *sport, void *data)
+{
+ struct efct_hw *hw = sport->hw;
+ struct efct *efct = hw->os;
+ int rc;
+
+ /* Allocate memory for the service parameters */
+ sport->dma.size = 112;
+ sport->dma.virt = dma_alloc_coherent(&efct->pcidev->dev,
+ sport->dma.size, &sport->dma.phys,
+ GFP_DMA);
+ if (!sport->dma.virt) {
+ efc_log_err(hw->os, "Failed to allocate DMA memory\n");
+ efct_hw_port_free_resources(sport,
+ EFC_HW_PORT_ALLOC_FAIL, data);
+ return;
+ }
+
+ rc = sli_cmd_read_sparm64(&hw->sli, data, SLI4_BMBX_SIZE,
+ &sport->dma, sport->indicator);
+ if (rc) {
+ efc_log_err(hw->os, "READ_SPARM64 format failure\n");
+ efct_hw_port_free_resources(sport,
+ EFC_HW_PORT_ALLOC_FAIL, data);
+ return;
+ }
+
+ rc = efct_hw_command(hw, data, EFCT_CMD_NOWAIT,
+ efct_hw_port_alloc_read_sparm64_cb, sport);
+ if (rc) {
+ efc_log_err(hw->os, "READ_SPARM64 command failure\n");
+ efct_hw_port_free_resources(sport,
+ EFC_HW_PORT_ALLOC_FAIL, data);
+ }
+}
+
+/*
+ * This function allocates a VPI object for the port and stores it in the
+ * indicator field of the port object.
+ */
+enum efct_hw_rtn
+efct_hw_port_alloc(struct efc *efc, struct efc_sli_port *sport,
+ struct efc_domain *domain, u8 *wwpn)
+{
+ struct efct *efct = efc->base;
+ struct efct_hw *hw = &efct->hw;
+
+ u8 *cmd = NULL;
+ enum efct_hw_rtn rc = EFCT_HW_RTN_SUCCESS;
+ u32 index;
+
+ sport->indicator = U32_MAX;
+ sport->hw = hw;
+ sport->free_req_pending = false;
+
+ /*
+ * Check if the chip is in an error state (UE'd) before proceeding.
+ */
+ if (sli_fw_error_status(&hw->sli) > 0) {
+ efc_log_crit(hw->os,
+ "Chip is in an error state - reset needed\n");
+ return EFCT_HW_RTN_ERROR;
+ }
+
+ if (wwpn)
+ memcpy(&sport->sli_wwpn, wwpn, sizeof(sport->sli_wwpn));
+
+ if (sli_resource_alloc(&hw->sli, SLI_RSRC_VPI,
+ &sport->indicator, &index)) {
+ efc_log_err(hw->os, "VPI allocation failure\n");
+ return EFCT_HW_RTN_ERROR;
+ }
+
+ if (domain) {
+ cmd = kmalloc(SLI4_BMBX_SIZE, GFP_ATOMIC);
+ if (!cmd) {
+ rc = EFCT_HW_RTN_NO_MEMORY;
+ goto efct_hw_port_alloc_out;
+ }
+ memset(cmd, 0, SLI4_BMBX_SIZE);
+
+ /*
+ * If the WWPN is NULL, fetch the default
+ * WWPN and WWNN before initializing the VPI
+ */
+ if (!wwpn)
+ efct_hw_port_alloc_read_sparm64(sport, cmd);
+ else
+ efct_hw_port_alloc_init_vpi(sport, cmd);
+ } else if (!wwpn) {
+ /* This is the convention for the HW, not SLI */
+ efc_log_test(hw->os, "need WWN for physical port\n");
+ rc = EFCT_HW_RTN_ERROR;
+ }
+ /* domain NULL and wwpn non-NULL */
+ // no-op;
+
+efct_hw_port_alloc_out:
+ if (rc != EFCT_HW_RTN_SUCCESS) {
+ kfree(cmd);
+
+ sli_resource_free(&hw->sli, SLI_RSRC_VPI,
+ sport->indicator);
+ }
+
+ return rc;
+}
+
+static int
+efct_hw_port_attach_reg_vpi_cb(struct efct_hw *hw,
+ int status, u8 *mqe, void *arg)
+{
+ struct efc_sli_port *sport = arg;
+ int rc;
+
+ rc = efct_hw_port_get_mbox_status(sport, mqe, status);
+ if (rc) {
+ efct_hw_port_free_resources(sport,
+ EFC_HW_PORT_ATTACH_FAIL, mqe);
+ return EFC_FAIL;
+ }
+
+ efct_hw_port_send_evt(sport, EFC_HW_PORT_ATTACH_OK, mqe);
+ return EFC_SUCCESS;
+}
+
+/**
+ * This function registers a previously-allocated VPI with the
+ * device.
+ */
+enum efct_hw_rtn
+efct_hw_port_attach(struct efc *efc, struct efc_sli_port *sport,
+ u32 fc_id)
+{
+ struct efct *efct = efc->base;
+ struct efct_hw *hw = &efct->hw;
+
+ u8 *buf = NULL;
+ enum efct_hw_rtn rc = EFCT_HW_RTN_SUCCESS;
+
+ if (!sport) {
+ efc_log_err(hw->os,
+ "bad parameter(s) hw=%p sport=%p\n", hw,
+ sport);
+ return EFCT_HW_RTN_ERROR;
+ }
+
+ /*
+ * Check if the chip is in an error state (UE'd) before proceeding.
+ */
+ if (sli_fw_error_status(&hw->sli) > 0) {
+ efc_log_crit(hw->os,
+ "Chip is in an error state - reset needed\n");
+ return EFCT_HW_RTN_ERROR;
+ }
+
+ buf = kmalloc(SLI4_BMBX_SIZE, GFP_ATOMIC);
+ if (!buf)
+ return EFCT_HW_RTN_NO_MEMORY;
+
+ memset(buf, 0, SLI4_BMBX_SIZE);
+ sport->fc_id = fc_id;
+
+ rc = sli_cmd_reg_vpi(&hw->sli, buf, SLI4_BMBX_SIZE, sport->fc_id,
+ sport->sli_wwpn, sport->indicator,
+ sport->domain->indicator, false);
+ if (rc) {
+ efc_log_err(hw->os, "REG_VPI format failure\n");
+ efct_hw_port_free_resources(sport,
+ EFC_HW_PORT_ATTACH_FAIL, buf);
+ return rc;
+ }
+
+ rc = efct_hw_command(hw, buf, EFCT_CMD_NOWAIT,
+ efct_hw_port_attach_reg_vpi_cb, sport);
+ if (rc) {
+ efc_log_err(hw->os, "REG_VPI command failure\n");
+ efct_hw_port_free_resources(sport,
+ EFC_HW_PORT_ATTACH_FAIL, buf);
+ }
+
+ return rc;
+}
+
+/* Issue the UNREG_VPI command to free the assigned VPI context */
+enum efct_hw_rtn
+efct_hw_port_free(struct efc *efc, struct efc_sli_port *sport)
+{
+ struct efct *efct = efc->base;
+ struct efct_hw *hw = &efct->hw;
+
+ enum efct_hw_rtn rc = EFCT_HW_RTN_SUCCESS;
+
+ if (!sport) {
+ efc_log_err(hw->os,
+ "bad parameter(s) hw=%p sport=%p\n", hw,
+ sport);
+ return EFCT_HW_RTN_ERROR;
+ }
+
+ /*
+ * Check if the chip is in an error state (UE'd) before proceeding.
+ */
+ if (sli_fw_error_status(&hw->sli) > 0) {
+ efc_log_crit(hw->os,
+ "Chip is in an error state - reset needed\n");
+ return EFCT_HW_RTN_ERROR;
+ }
+
+ if (sport->attached)
+ efct_hw_port_free_unreg_vpi(sport, NULL);
+ else
+ sport->free_req_pending = true;
+
+ return rc;
+}
+
+static int
+efct_hw_domain_get_mbox_status(struct efc_domain *domain,
+ u8 *mqe, int status)
+{
+ struct efct_hw *hw = domain->hw;
+ struct sli4_mbox_command_header *hdr =
+ (struct sli4_mbox_command_header *)mqe;
+ int rc = 0;
+
+ if (status || le16_to_cpu(hdr->status)) {
+ efc_log_debug(hw->os, "bad status vfi=%#x st=%x hdr=%x\n",
+ domain->indicator, status,
+ le16_to_cpu(hdr->status));
+ rc = -1;
+ }
+
+ return rc;
+}
+
+static void
+efct_hw_domain_free_resources(struct efc_domain *domain,
+ int evt, void *data)
+{
+ struct efct_hw *hw = domain->hw;
+ struct efct *efct = hw->os;
+
+ /* Free the service parameters buffer */
+ if (domain->dma.virt) {
+ dma_free_coherent(&efct->pcidev->dev,
+ domain->dma.size, domain->dma.virt,
+ domain->dma.phys);
+ memset(&domain->dma, 0, sizeof(struct efc_dma));
+ }
+
+ /* Free the command buffer */
+ kfree(data);
+
+ /* Free the SLI resources */
+ sli_resource_free(&hw->sli, SLI_RSRC_VFI, domain->indicator);
+
+ efc_domain_cb(efct->efcport, evt, domain);
+}
+
+static void
+efct_hw_domain_send_sport_evt(struct efc_domain *domain,
+ int port_evt, int domain_evt, void *data)
+{
+ struct efct_hw *hw = domain->hw;
+ struct efct *efct = hw->os;
+
+ /* Free the mbox buffer */
+ kfree(data);
+
+ /* Send alloc/attach ok to the physical sport */
+ efct_hw_port_send_evt(domain->sport, port_evt, NULL);
+
+ /* Now inform the registered callbacks */
+ efc_domain_cb(efct->efcport, domain_evt, domain);
+}
+
+static int
+efct_hw_domain_alloc_read_sparm64_cb(struct efct_hw *hw,
+ int status, u8 *mqe, void *arg)
+{
+ struct efc_domain *domain = arg;
+ int rc;
+
+ rc = efct_hw_domain_get_mbox_status(domain, mqe, status);
+ if (rc) {
+ efct_hw_domain_free_resources(domain,
+ EFC_HW_DOMAIN_ALLOC_FAIL, mqe);
+ return EFC_FAIL;
+ }
+
+ hw->domain = domain;
+ efct_hw_domain_send_sport_evt(domain, EFC_HW_PORT_ALLOC_OK,
+ EFC_HW_DOMAIN_ALLOC_OK, mqe);
+ return EFC_SUCCESS;
+}
+
+static void
+efct_hw_domain_alloc_read_sparm64(struct efc_domain *domain, void *data)
+{
+ struct efct_hw *hw = domain->hw;
+ int rc;
+
+ rc = sli_cmd_read_sparm64(&hw->sli, data, SLI4_BMBX_SIZE,
+ &domain->dma, 0);
+ if (rc) {
+ efc_log_err(hw->os, "READ_SPARM64 format failure\n");
+ efct_hw_domain_free_resources(domain,
+ EFC_HW_DOMAIN_ALLOC_FAIL, data);
+ return;
+ }
+
+ rc = efct_hw_command(hw, data, EFCT_CMD_NOWAIT,
+ efct_hw_domain_alloc_read_sparm64_cb, domain);
+ if (rc) {
+ efc_log_err(hw->os, "READ_SPARM64 command failure\n");
+ efct_hw_domain_free_resources(domain,
+ EFC_HW_DOMAIN_ALLOC_FAIL, data);
+ }
+}
+
+static int
+efct_hw_domain_alloc_init_vfi_cb(struct efct_hw *hw,
+ int status, u8 *mqe, void *arg)
+{
+ struct efc_domain *domain = arg;
+ int rc;
+
+ rc = efct_hw_domain_get_mbox_status(domain, mqe, status);
+ if (rc) {
+ efct_hw_domain_free_resources(domain,
+ EFC_HW_DOMAIN_ALLOC_FAIL, mqe);
+ return EFC_FAIL;
+ }
+
+ efct_hw_domain_alloc_read_sparm64(domain, mqe);
+ return EFC_SUCCESS;
+}
+
+static void
+efct_hw_domain_alloc_init_vfi(struct efc_domain *domain, void *data)
+{
+ struct efct_hw *hw = domain->hw;
+ struct efc_sli_port *sport = domain->sport;
+ int rc;
+
+ /*
+ * For FC, the HW alread registered an FCFI.
+ * Copy FCF information into the domain and jump to INIT_VFI.
+ */
+ domain->fcf_indicator = hw->fcf_indicator;
+ rc = sli_cmd_init_vfi(&hw->sli, data, SLI4_BMBX_SIZE,
+ domain->indicator, domain->fcf_indicator,
+ sport->indicator);
+ if (rc) {
+ efc_log_err(hw->os, "INIT_VFI format failure\n");
+ efct_hw_domain_free_resources(domain,
+ EFC_HW_DOMAIN_ALLOC_FAIL, data);
+ return;
+ }
+
+ rc = efct_hw_command(hw, data, EFCT_CMD_NOWAIT,
+ efct_hw_domain_alloc_init_vfi_cb, domain);
+ if (rc) {
+ efc_log_err(hw->os, "INIT_VFI command failure\n");
+ efct_hw_domain_free_resources(domain,
+ EFC_HW_DOMAIN_ALLOC_FAIL, data);
+ }
+}
+
+/**
+ * This function starts a series of commands needed to connect to the domain,
+ * including
+ * - REG_FCFI
+ * - INIT_VFI
+ * - READ_SPARMS
+ */
+enum efct_hw_rtn
+efct_hw_domain_alloc(struct efc *efc, struct efc_domain *domain,
+ u32 fcf)
+{
+ struct efct *efct = efc->base;
+ struct efct_hw *hw = &efct->hw;
+ u8 *cmd = NULL;
+ u32 index;
+
+ if (!domain || !domain->sport) {
+ efc_log_err(efct,
+ "bad parameter(s) hw=%p domain=%p sport=%p\n",
+ hw, domain, domain ? domain->sport : NULL);
+ return EFCT_HW_RTN_ERROR;
+ }
+
+ /*
+ * Check if the chip is in an error state (UE'd) before proceeding.
+ */
+ if (sli_fw_error_status(&hw->sli) > 0) {
+ efc_log_crit(efct,
+ "Chip is in an error state - reset needed\n");
+ return EFCT_HW_RTN_ERROR;
+ }
+
+ cmd = kmalloc(SLI4_BMBX_SIZE, GFP_ATOMIC);
+ if (!cmd)
+ return EFCT_HW_RTN_NO_MEMORY;
+
+ memset(cmd, 0, SLI4_BMBX_SIZE);
+
+ /* allocate memory for the service parameters */
+ domain->dma.size = 112;
+ domain->dma.virt = dma_alloc_coherent(&efct->pcidev->dev,
+ domain->dma.size,
+ &domain->dma.phys, GFP_DMA);
+ if (!domain->dma.virt) {
+ efc_log_err(hw->os, "Failed to allocate DMA memory\n");
+ kfree(cmd);
+ return EFCT_HW_RTN_NO_MEMORY;
+ }
+
+ domain->hw = hw;
+ domain->fcf = fcf;
+ domain->fcf_indicator = U32_MAX;
+ domain->indicator = U32_MAX;
+
+ if (sli_resource_alloc(&hw->sli,
+ SLI_RSRC_VFI, &domain->indicator,
+ &index)) {
+ efc_log_err(hw->os, "VFI allocation failure\n");
+
+ kfree(cmd);
+ dma_free_coherent(&efct->pcidev->dev,
+ domain->dma.size, domain->dma.virt,
+ domain->dma.phys);
+ memset(&domain->dma, 0, sizeof(struct efc_dma));
+
+ return EFCT_HW_RTN_ERROR;
+ }
+
+ efct_hw_domain_alloc_init_vfi(domain, cmd);
+ return EFCT_HW_RTN_SUCCESS;
+}
+
+static int
+efct_hw_domain_attach_reg_vfi_cb(struct efct_hw *hw,
+ int status, u8 *mqe, void *arg)
+{
+ struct efc_domain *domain = arg;
+ int rc;
+
+ rc = efct_hw_domain_get_mbox_status(domain, mqe, status);
+ if (rc) {
+ hw->domain = NULL;
+ efct_hw_domain_free_resources(domain,
+ EFC_HW_DOMAIN_ATTACH_FAIL, mqe);
+ return EFC_FAIL;
+ }
+
+ efct_hw_domain_send_sport_evt(domain, EFC_HW_PORT_ATTACH_OK,
+ EFC_HW_DOMAIN_ATTACH_OK, mqe);
+ return EFC_SUCCESS;
+}
+
+enum efct_hw_rtn
+efct_hw_domain_attach(struct efc *efc,
+ struct efc_domain *domain, u32 fc_id)
+{
+ struct efct *efct = efc->base;
+ struct efct_hw *hw = &efct->hw;
+
+ u8 *buf = NULL;
+ enum efct_hw_rtn rc = EFCT_HW_RTN_SUCCESS;
+
+ if (!domain) {
+ efc_log_err(hw->os,
+ "bad parameter(s) hw=%p domain=%p\n",
+ hw, domain);
+ return EFCT_HW_RTN_ERROR;
+ }
+
+ /*
+ * Check if the chip is in an error state (UE'd) before proceeding.
+ */
+ if (sli_fw_error_status(&hw->sli) > 0) {
+ efc_log_crit(hw->os,
+ "Chip is in an error state - reset needed\n");
+ return EFCT_HW_RTN_ERROR;
+ }
+
+ buf = kmalloc(SLI4_BMBX_SIZE, GFP_ATOMIC);
+ if (!buf)
+ return EFCT_HW_RTN_NO_MEMORY;
+
+ memset(buf, 0, SLI4_BMBX_SIZE);
+ domain->sport->fc_id = fc_id;
+
+ rc = sli_cmd_reg_vfi(&hw->sli, buf, SLI4_BMBX_SIZE, domain->indicator,
+ domain->fcf_indicator, domain->dma,
+ domain->sport->indicator, domain->sport->sli_wwpn,
+ domain->sport->fc_id);
+ if (rc) {
+ efc_log_err(hw->os, "REG_VFI format failure\n");
+ goto cleanup;
+ }
+
+ rc = efct_hw_command(hw, buf, EFCT_CMD_NOWAIT,
+ efct_hw_domain_attach_reg_vfi_cb, domain);
+ if (rc) {
+ efc_log_err(hw->os, "REG_VFI command failure\n");
+ goto cleanup;
+ }
+
+ return rc;
+
+cleanup:
+ hw->domain = NULL;
+ efct_hw_domain_free_resources(domain, EFC_HW_DOMAIN_ATTACH_FAIL, buf);
+
+ return rc;
+}
+
+static int
+efct_hw_domain_free_unreg_vfi_cb(struct efct_hw *hw,
+ int status, u8 *mqe, void *arg)
+{
+ struct efc_domain *domain = arg;
+ int evt = EFC_HW_DOMAIN_FREE_OK;
+ int rc = 0;
+
+ rc = efct_hw_domain_get_mbox_status(domain, mqe, status);
+ if (rc) {
+ evt = EFC_HW_DOMAIN_FREE_FAIL;
+ rc = -1;
+ }
+
+ hw->domain = NULL;
+ efct_hw_domain_free_resources(domain, evt, mqe);
+ return rc;
+}
+
+static void
+efct_hw_domain_free_unreg_vfi(struct efc_domain *domain, void *data)
+{
+ struct efct_hw *hw = domain->hw;
+ int rc;
+
+ if (!data) {
+ data = kzalloc(SLI4_BMBX_SIZE, GFP_ATOMIC);
+ if (!data)
+ goto cleanup;
+ }
+
+ rc = sli_cmd_unreg_vfi(&hw->sli, data, SLI4_BMBX_SIZE,
+ domain->indicator, SLI4_UNREG_TYPE_DOMAIN);
+ if (rc) {
+ efc_log_err(hw->os, "UNREG_VFI format failure\n");
+ goto cleanup;
+ }
+
+ rc = efct_hw_command(hw, data, EFCT_CMD_NOWAIT,
+ efct_hw_domain_free_unreg_vfi_cb, domain);
+ if (rc) {
+ efc_log_err(hw->os, "UNREG_VFI command failure\n");
+ goto cleanup;
+ }
+
+ return;
+
+cleanup:
+ hw->domain = NULL;
+ efct_hw_domain_free_resources(domain, EFC_HW_DOMAIN_FREE_FAIL, data);
+}
+
+enum efct_hw_rtn
+efct_hw_domain_free(struct efc *efc, struct efc_domain *domain)
+{
+ struct efct *efct = efc->base;
+ struct efct_hw *hw = &efct->hw;
+
+ enum efct_hw_rtn rc = EFCT_HW_RTN_SUCCESS;
+
+ if (!domain) {
+ efc_log_err(hw->os,
+ "bad parameter(s) hw=%p domain=%p\n",
+ hw, domain);
+ return EFCT_HW_RTN_ERROR;
+ }
+
+ /*
+ * Check if the chip is in an error state (UE'd) before proceeding.
+ */
+ if (sli_fw_error_status(&hw->sli) > 0) {
+ efc_log_crit(hw->os,
+ "Chip is in an error state - reset needed\n");
+ return EFCT_HW_RTN_ERROR;
+ }
+
+ efct_hw_domain_free_unreg_vfi(domain, NULL);
+ return rc;
+}
+
+enum efct_hw_rtn
+efct_hw_domain_force_free(struct efc *efc, struct efc_domain *domain)
+{
+ struct efct *efct = efc->base;
+ struct efct_hw *hw = &efct->hw;
+
+ if (!domain) {
+ efc_log_err(efct,
+ "bad parameter(s) hw=%p domain=%p\n", hw, domain);
+ return EFCT_HW_RTN_ERROR;
+ }
+
+ dma_free_coherent(&efct->pcidev->dev,
+ domain->dma.size, domain->dma.virt, domain->dma.phys);
+ memset(&domain->dma, 0, sizeof(struct efc_dma));
+ sli_resource_free(&hw->sli, SLI_RSRC_VFI,
+ domain->indicator);
+
+ return EFCT_HW_RTN_SUCCESS;
+}
+
+enum efct_hw_rtn
+efct_hw_node_alloc(struct efc *efc, struct efc_remote_node *rnode,
+ u32 fc_addr, struct efc_sli_port *sport)
+{
+ struct efct *efct = efc->base;
+ struct efct_hw *hw = &efct->hw;
+
+ /* Check for invalid indicator */
+ if (rnode->indicator != U32_MAX) {
+ efc_log_err(hw->os,
+ "RPI allocation failure addr=%#x rpi=%#x\n",
+ fc_addr, rnode->indicator);
+ return EFCT_HW_RTN_ERROR;
+ }
+
+ /*
+ * Check if the chip is in an error state (UE'd) before proceeding.
+ */
+ if (sli_fw_error_status(&hw->sli) > 0) {
+ efc_log_crit(hw->os,
+ "Chip is in an error state - reset needed\n");
+ return EFCT_HW_RTN_ERROR;
+ }
+
+ /* NULL SLI port indicates an unallocated remote node */
+ rnode->sport = NULL;
+
+ if (sli_resource_alloc(&hw->sli, SLI_RSRC_RPI,
+ &rnode->indicator, &rnode->index)) {
+ efc_log_err(hw->os, "RPI allocation failure addr=%#x\n",
+ fc_addr);
+ return EFCT_HW_RTN_ERROR;
+ }
+
+ rnode->fc_id = fc_addr;
+ rnode->sport = sport;
+
+ return EFCT_HW_RTN_SUCCESS;
+}
+
+static int
+efct_hw_cb_node_attach(struct efct_hw *hw, int status,
+ u8 *mqe, void *arg)
+{
+ struct efc_remote_node *rnode = arg;
+ struct sli4_mbox_command_header *hdr =
+ (struct sli4_mbox_command_header *)mqe;
+ enum efc_hw_remote_node_event evt = 0;
+
+ struct efct *efct = hw->os;
+
+ if (status || le16_to_cpu(hdr->status)) {
+ efc_log_debug(hw->os, "bad status cqe=%#x mqe=%#x\n", status,
+ le16_to_cpu(hdr->status));
+ atomic_sub_return(1, &hw->rpi_ref[rnode->index].rpi_count);
+ rnode->attached = false;
+ atomic_set(&hw->rpi_ref[rnode->index].rpi_attached, 0);
+ evt = EFC_HW_NODE_ATTACH_FAIL;
+ } else {
+ rnode->attached = true;
+ atomic_set(&hw->rpi_ref[rnode->index].rpi_attached, 1);
+ evt = EFC_HW_NODE_ATTACH_OK;
+ }
+
+ efc_remote_node_cb(efct->efcport, evt, rnode);
+
+ kfree(mqe);
+
+ return EFC_SUCCESS;
+}
+
+/* Update a remote node object with the remote port's service parameters */
+enum efct_hw_rtn
+efct_hw_node_attach(struct efc *efc, struct efc_remote_node *rnode,
+ struct efc_dma *sparms)
+{
+ struct efct *efct = efc->base;
+ struct efct_hw *hw = &efct->hw;
+
+ enum efct_hw_rtn rc = EFCT_HW_RTN_ERROR;
+ u8 *buf = NULL;
+ u32 count = 0;
+
+ if (!hw || !rnode || !sparms) {
+ efc_log_err(efct,
+ "bad parameter(s) hw=%p rnode=%p sparms=%p\n",
+ hw, rnode, sparms);
+ return EFCT_HW_RTN_ERROR;
+ }
+
+ /*
+ * Check if the chip is in an error state (UE'd) before proceeding.
+ */
+ if (sli_fw_error_status(&hw->sli) > 0) {
+ efc_log_crit(hw->os,
+ "Chip is in an error state - reset needed\n");
+ return EFCT_HW_RTN_ERROR;
+ }
+
+ buf = kmalloc(SLI4_BMBX_SIZE, GFP_ATOMIC);
+ if (!buf)
+ return EFCT_HW_RTN_NO_MEMORY;
+
+ memset(buf, 0, SLI4_BMBX_SIZE);
+ /*
+ * If the attach count is non-zero, this RPI has already been reg'd.
+ * Otherwise, register the RPI
+ */
+ if (rnode->index == U32_MAX) {
+ efc_log_err(efct, "bad parameter rnode->index invalid\n");
+ kfree(buf);
+ return EFCT_HW_RTN_ERROR;
+ }
+ count = atomic_add_return(1, &hw->rpi_ref[rnode->index].rpi_count);
+ count--;
+ if (count) {
+ /*
+ * Can't attach multiple FC_ID's to a node unless High Login
+ * Mode is enabled
+ */
+ if (!hw->sli.high_login_mode) {
+ efc_log_test(hw->os,
+ "attach to attached node HLM=%d cnt=%d\n",
+ hw->sli.high_login_mode, count);
+ rc = EFCT_HW_RTN_SUCCESS;
+ } else {
+ rnode->node_group = true;
+ rnode->attached =
+ atomic_read(&hw->rpi_ref[rnode->index].rpi_attached);
+ rc = rnode->attached ? EFCT_HW_RTN_SUCCESS_SYNC :
+ EFCT_HW_RTN_SUCCESS;
+ }
+ } else {
+ rnode->node_group = false;
+
+ if (!sli_cmd_reg_rpi(&hw->sli, buf, SLI4_BMBX_SIZE,
+ rnode->fc_id,
+ rnode->indicator, rnode->sport->indicator,
+ sparms, 0, 0))
+ rc = efct_hw_command(hw, buf, EFCT_CMD_NOWAIT,
+ efct_hw_cb_node_attach, rnode);
+ }
+
+ if (count || rc) {
+ if (rc < EFCT_HW_RTN_SUCCESS) {
+ atomic_sub_return(1,
+ &hw->rpi_ref[rnode->index].rpi_count);
+ efc_log_err(hw->os,
+ "%s error\n", count ? "HLM" : "REG_RPI");
+ }
+ kfree(buf);
+ }
+
+ return rc;
+}
+
+enum efct_hw_rtn
+efct_hw_node_free_resources(struct efc *efc,
+ struct efc_remote_node *rnode)
+{
+ struct efct *efct = efc->base;
+ struct efct_hw *hw = &efct->hw;
+ enum efct_hw_rtn rc = EFCT_HW_RTN_SUCCESS;
+
+ if (!hw || !rnode) {
+ efc_log_err(efct, "bad parameter(s) hw=%p rnode=%p\n",
+ hw, rnode);
+ return EFCT_HW_RTN_ERROR;
+ }
+
+ if (rnode->sport) {
+ if (rnode->attached) {
+ efc_log_err(hw->os, "Err: rnode is still attached\n");
+ return EFCT_HW_RTN_ERROR;
+ }
+ if (rnode->indicator != U32_MAX) {
+ if (sli_resource_free(&hw->sli, SLI_RSRC_RPI,
+ rnode->indicator)) {
+ efc_log_err(hw->os,
+ "RPI free fail RPI %d addr=%#x\n",
+ rnode->indicator,
+ rnode->fc_id);
+ rc = EFCT_HW_RTN_ERROR;
+ } else {
+ rnode->node_group = false;
+ rnode->indicator = U32_MAX;
+ rnode->index = U32_MAX;
+ rnode->free_group = false;
+ }
+ }
+ }
+
+ return rc;
+}
+
+static int
+efct_hw_cb_node_free(struct efct_hw *hw,
+ int status, u8 *mqe, void *arg)
+{
+ struct efc_remote_node *rnode = arg;
+ struct sli4_mbox_command_header *hdr =
+ (struct sli4_mbox_command_header *)mqe;
+ enum efc_hw_remote_node_event evt = EFC_HW_NODE_FREE_FAIL;
+ int rc = 0;
+ struct efct *efct = hw->os;
+
+ if (status || le16_to_cpu(hdr->status)) {
+ efc_log_debug(hw->os, "bad status cqe=%#x mqe=%#x\n", status,
+ le16_to_cpu(hdr->status));
+
+ /*
+ * In certain cases, a non-zero MQE status is OK (all must be
+ * true):
+ * - node is attached
+ * - if High Login Mode is enabled, node is part of a node
+ * group
+ * - status is 0x1400
+ */
+ if (!rnode->attached ||
+ (hw->sli.high_login_mode && !rnode->node_group) ||
+ (le16_to_cpu(hdr->status) !=
+ MBX_STATUS_RPI_NOT_REG))
+ rc = -1;
+ }
+
+ if (rc == 0) {
+ rnode->node_group = false;
+ rnode->attached = false;
+
+ if (atomic_read(&hw->rpi_ref[rnode->index].rpi_count) == 0)
+ atomic_set(&hw->rpi_ref[rnode->index].rpi_attached,
+ 0);
+ evt = EFC_HW_NODE_FREE_OK;
+ }
+
+ efc_remote_node_cb(efct->efcport, evt, rnode);
+
+ kfree(mqe);
+
+ return rc;
+}
+
+enum efct_hw_rtn
+efct_hw_node_detach(struct efc *efc, struct efc_remote_node *rnode)
+{
+ struct efct *efct = efc->base;
+ struct efct_hw *hw = &efct->hw;
+ u8 *buf = NULL;
+ enum efct_hw_rtn rc = EFCT_HW_RTN_SUCCESS_SYNC;
+ u32 index = U32_MAX;
+
+ if (!hw || !rnode) {
+ efc_log_err(efct, "bad parameter(s) hw=%p rnode=%p\n",
+ hw, rnode);
+ return EFCT_HW_RTN_ERROR;
+ }
+
+ /*
+ * Check if the chip is in an error state (UE'd) before proceeding.
+ */
+ if (sli_fw_error_status(&hw->sli) > 0) {
+ efc_log_crit(hw->os,
+ "Chip is in an error state - reset needed\n");
+ return EFCT_HW_RTN_ERROR;
+ }
+
+ index = rnode->index;
+
+ if (rnode->sport) {
+ u32 count = 0;
+ u32 fc_id;
+
+ if (!rnode->attached)
+ return EFCT_HW_RTN_SUCCESS_SYNC;
+
+ buf = kmalloc(SLI4_BMBX_SIZE, GFP_ATOMIC);
+ if (!buf)
+ return EFCT_HW_RTN_NO_MEMORY;
+
+ memset(buf, 0, SLI4_BMBX_SIZE);
+ count = atomic_sub_return(1, &hw->rpi_ref[index].rpi_count);
+ count++;
+ if (count <= 1) {
+ /*
+ * There are no other references to this RPI so
+ * unregister it
+ */
+ fc_id = U32_MAX;
+ /* and free the resource */
+ rnode->node_group = false;
+ rnode->free_group = true;
+ } else {
+ if (!hw->sli.high_login_mode)
+ efc_log_test(hw->os,
+ "Inval cnt with HLM off, cnt=%d\n",
+ count);
+ fc_id = rnode->fc_id & 0x00ffffff;
+ }
+
+ rc = EFCT_HW_RTN_ERROR;
+
+ if (!sli_cmd_unreg_rpi(&hw->sli, buf, SLI4_BMBX_SIZE,
+ rnode->indicator,
+ SLI_RSRC_RPI, fc_id))
+ rc = efct_hw_command(hw, buf, EFCT_CMD_NOWAIT,
+ efct_hw_cb_node_free, rnode);
+
+ if (rc != EFCT_HW_RTN_SUCCESS) {
+ efc_log_err(hw->os, "UNREG_RPI failed\n");
+ kfree(buf);
+ rc = EFCT_HW_RTN_ERROR;
+ }
+ }
+
+ return rc;
+}
+
+static int
+efct_hw_cb_node_free_all(struct efct_hw *hw, int status, u8 *mqe,
+ void *arg)
+{
+ struct sli4_mbox_command_header *hdr =
+ (struct sli4_mbox_command_header *)mqe;
+ enum efc_hw_remote_node_event evt = EFC_HW_NODE_FREE_FAIL;
+ int rc = 0;
+ u32 i;
+ struct efct *efct = hw->os;
+
+ if (status || le16_to_cpu(hdr->status)) {
+ efc_log_debug(hw->os, "bad status cqe=%#x mqe=%#x\n", status,
+ le16_to_cpu(hdr->status));
+ } else {
+ evt = EFC_HW_NODE_FREE_ALL_OK;
+ }
+
+ if (evt == EFC_HW_NODE_FREE_ALL_OK) {
+ for (i = 0; i < hw->sli.extent[SLI_RSRC_RPI].size;
+ i++)
+ atomic_set(&hw->rpi_ref[i].rpi_count, 0);
+
+ if (sli_resource_reset(&hw->sli, SLI_RSRC_RPI)) {
+ efc_log_test(hw->os, "RPI free all failure\n");
+ rc = -1;
+ }
+ }
+
+ efc_remote_node_cb(efct->efcport, evt, NULL);
+
+ kfree(mqe);
+
+ return rc;
+}
+
+enum efct_hw_rtn
+efct_hw_node_free_all(struct efct_hw *hw)
+{
+ u8 *buf = NULL;
+ enum efct_hw_rtn rc = EFCT_HW_RTN_ERROR;
+
+ /*
+ * Check if the chip is in an error state (UE'd) before proceeding.
+ */
+ if (sli_fw_error_status(&hw->sli) > 0) {
+ efc_log_crit(hw->os,
+ "Chip is in an error state - reset needed\n");
+ return EFCT_HW_RTN_ERROR;
+ }
+
+ buf = kmalloc(SLI4_BMBX_SIZE, GFP_ATOMIC);
+ if (!buf)
+ return EFCT_HW_RTN_NO_MEMORY;
+
+ memset(buf, 0, SLI4_BMBX_SIZE);
+
+ if (!sli_cmd_unreg_rpi(&hw->sli, buf, SLI4_BMBX_SIZE, 0xffff,
+ SLI_RSRC_FCFI, U32_MAX))
+ rc = efct_hw_command(hw, buf, EFCT_CMD_NOWAIT,
+ efct_hw_cb_node_free_all,
+ NULL);
+
+ if (rc != EFCT_HW_RTN_SUCCESS) {
+ efc_log_err(hw->os, "UNREG_RPI failed\n");
+ kfree(buf);
+ rc = EFCT_HW_RTN_ERROR;
+ }
+
+ return rc;
+}
+
+struct efct_hw_get_nvparms_cb_arg {
+ void (*cb)(int status,
+ u8 *wwpn, u8 *wwnn,
+ u8 hard_alpa, u32 preferred_d_id,
+ void *arg);
+ void *arg;
+};
+
+static int
+efct_hw_get_nvparms_cb(struct efct_hw *hw, int status,
+ u8 *mqe, void *arg)
+{
+ struct efct_hw_get_nvparms_cb_arg *cb_arg = arg;
+ struct sli4_cmd_read_nvparms *mbox_rsp =
+ (struct sli4_cmd_read_nvparms *)mqe;
+ u8 hard_alpa;
+ u32 preferred_d_id;
+
+ hard_alpa = le32_to_cpu(mbox_rsp->hard_alpa_d_id) &
+ SLI4_READ_NVPARAMS_HARD_ALPA;
+ preferred_d_id = (le32_to_cpu(mbox_rsp->hard_alpa_d_id) &
+ SLI4_READ_NVPARAMS_PREFERRED_D_ID) >> 8;
+ if (cb_arg->cb)
+ cb_arg->cb(status, mbox_rsp->wwpn, mbox_rsp->wwnn,
+ hard_alpa, preferred_d_id,
+ cb_arg->arg);
+
+ kfree(mqe);
+ kfree(cb_arg);
+
+ return EFC_SUCCESS;
+}
+
+int
+efct_hw_get_nvparms(struct efct_hw *hw,
+ void (*cb)(int status, u8 *wwpn,
+ u8 *wwnn, u8 hard_alpa,
+ u32 preferred_d_id, void *arg),
+ void *ul_arg)
+{
+ u8 *mbxdata;
+ struct efct_hw_get_nvparms_cb_arg *cb_arg;
+ enum efct_hw_rtn rc = EFCT_HW_RTN_SUCCESS;
+
+ /* mbxdata holds the header of the command */
+ mbxdata = kmalloc(SLI4_BMBX_SIZE, GFP_KERNEL);
+ if (!mbxdata)
+ return EFCT_HW_RTN_NO_MEMORY;
+
+ memset(mbxdata, 0, SLI4_BMBX_SIZE);
+
+ /*
+ * cb_arg holds the data that will be passed to the callback on
+ * completion
+ */
+ cb_arg = kmalloc(sizeof(*cb_arg), GFP_KERNEL);
+ if (!cb_arg) {
+ kfree(mbxdata);
+ return EFCT_HW_RTN_NO_MEMORY;
+ }
+
+ cb_arg->cb = cb;
+ cb_arg->arg = ul_arg;
+
+ /* Send the HW command */
+ if (!sli_cmd_read_nvparms(&hw->sli, mbxdata, SLI4_BMBX_SIZE))
+ rc = efct_hw_command(hw, mbxdata, EFCT_CMD_NOWAIT,
+ efct_hw_get_nvparms_cb, cb_arg);
+
+ if (rc != EFCT_HW_RTN_SUCCESS) {
+ efc_log_test(hw->os, "READ_NVPARMS failed\n");
+ kfree(mbxdata);
+ kfree(cb_arg);
+ }
+
+ return rc;
+}
+
+struct efct_hw_set_nvparms_cb_arg {
+ void (*cb)(int status, void *arg);
+ void *arg;
+};
+
+static int
+efct_hw_set_nvparms_cb(struct efct_hw *hw, int status,
+ u8 *mqe, void *arg)
+{
+ struct efct_hw_set_nvparms_cb_arg *cb_arg = arg;
+
+ if (cb_arg->cb)
+ cb_arg->cb(status, cb_arg->arg);
+
+ kfree(mqe);
+ kfree(cb_arg);
+
+ return EFC_SUCCESS;
+}
+
+int
+efct_hw_set_nvparms(struct efct_hw *hw,
+ void (*cb)(int status, void *arg),
+ u8 *wwpn, u8 *wwnn, u8 hard_alpa,
+ u32 preferred_d_id,
+ void *ul_arg)
+{
+ u8 *mbxdata;
+ struct efct_hw_set_nvparms_cb_arg *cb_arg;
+ enum efct_hw_rtn rc = EFCT_HW_RTN_SUCCESS;
+
+ /* mbxdata holds the header of the command */
+ mbxdata = kmalloc(SLI4_BMBX_SIZE, GFP_KERNEL);
+ if (!mbxdata)
+ return EFCT_HW_RTN_NO_MEMORY;
+
+ /*
+ * cb_arg holds the data that will be passed to the callback on
+ * completion
+ */
+ cb_arg = kmalloc(sizeof(*cb_arg), GFP_KERNEL);
+ if (!cb_arg) {
+ kfree(mbxdata);
+ return EFCT_HW_RTN_NO_MEMORY;
+ }
+
+ cb_arg->cb = cb;
+ cb_arg->arg = ul_arg;
+
+ /* Send the HW command */
+ if (!sli_cmd_write_nvparms(&hw->sli, mbxdata, SLI4_BMBX_SIZE, wwpn,
+ wwnn, hard_alpa, preferred_d_id))
+ rc = efct_hw_command(hw, mbxdata, EFCT_CMD_NOWAIT,
+ efct_hw_set_nvparms_cb, cb_arg);
+
+ if (rc != EFCT_HW_RTN_SUCCESS) {
+ efc_log_test(hw->os, "SET_NVPARMS failed\n");
+ kfree(mbxdata);
+ kfree(cb_arg);
+ }
+
+ return rc;
+}
+
+static int
+efct_hw_cb_fw_write(struct efct_hw *hw, int status,
+ u8 *mqe, void *arg)
+{
+ struct sli4_cmd_sli_config *mbox_rsp =
+ (struct sli4_cmd_sli_config *)mqe;
+ struct sli4_rsp_cmn_write_object *wr_obj_rsp;
+ struct efct_hw_fw_wr_cb_arg *cb_arg = arg;
+ u32 bytes_written;
+ u16 mbox_status;
+ u32 change_status;
+
+ wr_obj_rsp = (struct sli4_rsp_cmn_write_object *)
+ &mbox_rsp->payload.embed;
+ bytes_written = le32_to_cpu(wr_obj_rsp->actual_write_length);
+ mbox_status = le16_to_cpu(mbox_rsp->hdr.status);
+ change_status = (le32_to_cpu(wr_obj_rsp->change_status_dword) &
+ RSP_CHANGE_STATUS);
+
+ kfree(mqe);
+
+ if (cb_arg) {
+ if (cb_arg->cb) {
+ if (!status && mbox_status)
+ status = mbox_status;
+ cb_arg->cb(status, bytes_written, change_status,
+ cb_arg->arg);
+ }
+
+ kfree(cb_arg);
+ }
+
+ return EFC_SUCCESS;
+}
+
+static enum efct_hw_rtn
+efct_hw_firmware_write_sli4_intf_2(struct efct_hw *hw, struct efc_dma *dma,
+ u32 size, u32 offset, int last,
+ void (*cb)(int status, u32 bytes_written,
+ u32 change_status, void *arg),
+ void *arg)
+{
+ enum efct_hw_rtn rc = EFCT_HW_RTN_ERROR;
+ u8 *mbxdata;
+ struct efct_hw_fw_wr_cb_arg *cb_arg;
+ int noc = 0;
+
+ mbxdata = kmalloc(SLI4_BMBX_SIZE, GFP_KERNEL);
+ if (!mbxdata)
+ return EFCT_HW_RTN_NO_MEMORY;
+
+ memset(mbxdata, 0, SLI4_BMBX_SIZE);
+
+ cb_arg = kmalloc(sizeof(*cb_arg), GFP_KERNEL);
+ if (!cb_arg) {
+ kfree(mbxdata);
+ return EFCT_HW_RTN_NO_MEMORY;
+ }
+ memset(cb_arg, 0, sizeof(struct efct_hw_fw_wr_cb_arg));
+ cb_arg->cb = cb;
+ cb_arg->arg = arg;
+
+ /* Send the HW command */
+ if (!sli_cmd_common_write_object(&hw->sli, mbxdata, SLI4_BMBX_SIZE,
+ noc, last, size, offset, "/prg/",
+ dma))
+ rc = efct_hw_command(hw, mbxdata, EFCT_CMD_NOWAIT,
+ efct_hw_cb_fw_write, cb_arg);
+
+ if (rc != EFCT_HW_RTN_SUCCESS) {
+ efc_log_test(hw->os, "COMMON_WRITE_OBJECT failed\n");
+ kfree(mbxdata);
+ kfree(cb_arg);
+ }
+
+ return rc;
+}
+
+/* Write a portion of a firmware image to the device */
+enum efct_hw_rtn
+efct_hw_firmware_write(struct efct_hw *hw, struct efc_dma *dma,
+ u32 size, u32 offset, int last,
+ void (*cb)(int status, u32 bytes_written,
+ u32 change_status, void *arg),
+ void *arg)
+{
+ return efct_hw_firmware_write_sli4_intf_2(hw, dma, size, offset,
+ last, cb, arg);
+}
diff --git a/drivers/scsi/elx/efct/efct_hw.h b/drivers/scsi/elx/efct/efct_hw.h
index 9c025a1709e3..6bd1fde177cd 100644
--- a/drivers/scsi/elx/efct/efct_hw.h
+++ b/drivers/scsi/elx/efct/efct_hw.h
@@ -802,5 +802,63 @@ efct_hw_port_control(struct efct_hw *hw, enum efct_hw_port ctrl,
uintptr_t value,
void (*cb)(int status, uintptr_t value, void *arg),
void *arg);
+extern enum efct_hw_rtn
+efct_hw_port_alloc(struct efc *efc, struct efc_sli_port *sport,
+ struct efc_domain *domain, u8 *wwpn);
+extern enum efct_hw_rtn
+efct_hw_port_attach(struct efc *efc, struct efc_sli_port *sport,
+ u32 fc_id);
+extern enum efct_hw_rtn
+efct_hw_port_free(struct efc *efc, struct efc_sli_port *sport);
+extern enum efct_hw_rtn
+efct_hw_domain_alloc(struct efc *efc, struct efc_domain *domain,
+ u32 fcf);
+extern enum efct_hw_rtn
+efct_hw_domain_attach(struct efc *efc,
+ struct efc_domain *domain, u32 fc_id);
+extern enum efct_hw_rtn
+efct_hw_domain_free(struct efc *efc, struct efc_domain *domain);
+extern enum efct_hw_rtn
+efct_hw_domain_force_free(struct efc *efc, struct efc_domain *domain);
+extern enum efct_hw_rtn
+efct_hw_node_alloc(struct efc *efc, struct efc_remote_node *rnode,
+ u32 fc_addr, struct efc_sli_port *sport);
+extern enum efct_hw_rtn
+efct_hw_node_free_all(struct efct_hw *hw);
+extern enum efct_hw_rtn
+efct_hw_node_attach(struct efc *efc, struct efc_remote_node *rnode,
+ struct efc_dma *sparms);
+extern enum efct_hw_rtn
+efct_hw_node_detach(struct efc *efc, struct efc_remote_node *rnode);
+extern enum efct_hw_rtn
+efct_hw_node_free_resources(struct efc *efc,
+ struct efc_remote_node *rnode);
+
+extern enum efct_hw_rtn
+efct_hw_firmware_write(struct efct_hw *hw, struct efc_dma *dma,
+ u32 size, u32 offset, int last,
+ void (*cb)(int status, u32 bytes_written,
+ u32 change_status, void *arg),
+ void *arg);
+
+extern enum efct_hw_rtn
+efct_hw_get_nvparms(struct efct_hw *hw,
+ void (*mgmt_cb)(int status, u8 *wwpn,
+ u8 *wwnn, u8 hard_alpa,
+ u32 preferred_d_id, void *arg),
+ void *arg);
+extern
+enum efct_hw_rtn efct_hw_set_nvparms(struct efct_hw *hw,
+ void (*mgmt_cb)(int status, void *arg),
+ u8 *wwpn, u8 *wwnn, u8 hard_alpa,
+ u32 preferred_d_id, void *arg);
+
+typedef int (*efct_hw_async_cb_t)(struct efct_hw *hw, int status,
+ u8 *mqe, void *arg);
+extern int
+efct_hw_async_call(struct efct_hw *hw,
+ efct_hw_async_cb_t callback, void *arg);
+enum efct_hw_rtn
+efct_hw_init_queues(struct efct_hw *hw);

#endif /* __EFCT_H__ */
--
2.16.4