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-rw-r--r--drivers/misc/habanalabs/firmware_if.c7
-rw-r--r--drivers/misc/habanalabs/goya/goya.c90
-rw-r--r--drivers/misc/habanalabs/habanalabs.h10
-rw-r--r--drivers/misc/habanalabs/hw_queue.c6
-rw-r--r--drivers/misc/habanalabs/memory.c4
-rw-r--r--drivers/misc/habanalabs/pci.c11
6 files changed, 72 insertions, 56 deletions
diff --git a/drivers/misc/habanalabs/firmware_if.c b/drivers/misc/habanalabs/firmware_if.c
index 1acf82650b20..eda5d7fcb79f 100644
--- a/drivers/misc/habanalabs/firmware_if.c
+++ b/drivers/misc/habanalabs/firmware_if.c
@@ -249,8 +249,7 @@ int hl_fw_armcp_info_get(struct hl_device *hdev)
pkt.ctl = cpu_to_le32(ARMCP_PACKET_INFO_GET <<
ARMCP_PKT_CTL_OPCODE_SHIFT);
- pkt.addr = cpu_to_le64(armcp_info_dma_addr +
- prop->host_phys_base_address);
+ pkt.addr = cpu_to_le64(armcp_info_dma_addr);
pkt.data_max_size = cpu_to_le32(sizeof(struct armcp_info));
rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
@@ -281,7 +280,6 @@ out:
int hl_fw_get_eeprom_data(struct hl_device *hdev, void *data, size_t max_size)
{
- struct asic_fixed_properties *prop = &hdev->asic_prop;
struct armcp_packet pkt = {};
void *eeprom_info_cpu_addr;
dma_addr_t eeprom_info_dma_addr;
@@ -301,8 +299,7 @@ int hl_fw_get_eeprom_data(struct hl_device *hdev, void *data, size_t max_size)
pkt.ctl = cpu_to_le32(ARMCP_PACKET_EEPROM_DATA_GET <<
ARMCP_PKT_CTL_OPCODE_SHIFT);
- pkt.addr = cpu_to_le64(eeprom_info_dma_addr +
- prop->host_phys_base_address);
+ pkt.addr = cpu_to_le64(eeprom_info_dma_addr);
pkt.data_max_size = cpu_to_le32(max_size);
rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c
index 8e18c80a22e7..31dc3b872f9e 100644
--- a/drivers/misc/habanalabs/goya/goya.c
+++ b/drivers/misc/habanalabs/goya/goya.c
@@ -345,7 +345,6 @@ void goya_get_fixed_properties(struct hl_device *hdev)
prop->mmu_hop0_tables_total_size = HOP0_TABLES_TOTAL_SIZE;
prop->dram_page_size = PAGE_SIZE_2MB;
- prop->host_phys_base_address = HOST_PHYS_BASE;
prop->va_space_host_start_address = VA_HOST_SPACE_START;
prop->va_space_host_end_address = VA_HOST_SPACE_END;
prop->va_space_dram_start_address = VA_DDR_SPACE_START;
@@ -422,7 +421,7 @@ static u64 goya_set_ddr_bar_base(struct hl_device *hdev, u64 addr)
static int goya_init_iatu(struct hl_device *hdev)
{
return hl_pci_init_iatu(hdev, SRAM_BASE_ADDR, DRAM_PHYS_BASE,
- HOST_PHYS_SIZE);
+ HOST_PHYS_BASE, HOST_PHYS_SIZE);
}
/*
@@ -804,7 +803,6 @@ void goya_init_dma_qmans(struct hl_device *hdev)
{
struct goya_device *goya = hdev->asic_specific;
struct hl_hw_queue *q;
- dma_addr_t bus_address;
int i;
if (goya->hw_cap_initialized & HW_CAP_DMA)
@@ -813,10 +811,7 @@ void goya_init_dma_qmans(struct hl_device *hdev)
q = &hdev->kernel_queues[0];
for (i = 0 ; i < NUMBER_OF_EXT_HW_QUEUES ; i++, q++) {
- bus_address = q->bus_address +
- hdev->asic_prop.host_phys_base_address;
-
- goya_init_dma_qman(hdev, i, bus_address);
+ goya_init_dma_qman(hdev, i, q->bus_address);
goya_init_dma_ch(hdev, i);
}
@@ -957,7 +952,6 @@ int goya_init_cpu_queues(struct hl_device *hdev)
{
struct goya_device *goya = hdev->asic_specific;
struct hl_eq *eq;
- dma_addr_t bus_address;
u32 status;
struct hl_hw_queue *cpu_pq = &hdev->kernel_queues[GOYA_QUEUE_ID_CPU_PQ];
int err;
@@ -970,19 +964,18 @@ int goya_init_cpu_queues(struct hl_device *hdev)
eq = &hdev->event_queue;
- bus_address = cpu_pq->bus_address +
- hdev->asic_prop.host_phys_base_address;
- WREG32(mmPSOC_GLOBAL_CONF_SCRATCHPAD_0, lower_32_bits(bus_address));
- WREG32(mmPSOC_GLOBAL_CONF_SCRATCHPAD_1, upper_32_bits(bus_address));
+ WREG32(mmPSOC_GLOBAL_CONF_SCRATCHPAD_0,
+ lower_32_bits(cpu_pq->bus_address));
+ WREG32(mmPSOC_GLOBAL_CONF_SCRATCHPAD_1,
+ upper_32_bits(cpu_pq->bus_address));
- bus_address = eq->bus_address + hdev->asic_prop.host_phys_base_address;
- WREG32(mmPSOC_GLOBAL_CONF_SCRATCHPAD_2, lower_32_bits(bus_address));
- WREG32(mmPSOC_GLOBAL_CONF_SCRATCHPAD_3, upper_32_bits(bus_address));
+ WREG32(mmPSOC_GLOBAL_CONF_SCRATCHPAD_2, lower_32_bits(eq->bus_address));
+ WREG32(mmPSOC_GLOBAL_CONF_SCRATCHPAD_3, upper_32_bits(eq->bus_address));
- bus_address = hdev->cpu_accessible_dma_address +
- hdev->asic_prop.host_phys_base_address;
- WREG32(mmPSOC_GLOBAL_CONF_SCRATCHPAD_8, lower_32_bits(bus_address));
- WREG32(mmPSOC_GLOBAL_CONF_SCRATCHPAD_9, upper_32_bits(bus_address));
+ WREG32(mmPSOC_GLOBAL_CONF_SCRATCHPAD_8,
+ lower_32_bits(hdev->cpu_accessible_dma_address));
+ WREG32(mmPSOC_GLOBAL_CONF_SCRATCHPAD_9,
+ upper_32_bits(hdev->cpu_accessible_dma_address));
WREG32(mmPSOC_GLOBAL_CONF_SCRATCHPAD_5, HL_QUEUE_SIZE_IN_BYTES);
WREG32(mmPSOC_GLOBAL_CONF_SCRATCHPAD_4, HL_EQ_SIZE_IN_BYTES);
@@ -2731,13 +2724,23 @@ void goya_flush_pq_write(struct hl_device *hdev, u64 *pq, u64 exp_val)
static void *goya_dma_alloc_coherent(struct hl_device *hdev, size_t size,
dma_addr_t *dma_handle, gfp_t flags)
{
- return dma_alloc_coherent(&hdev->pdev->dev, size, dma_handle, flags);
+ void *kernel_addr = dma_alloc_coherent(&hdev->pdev->dev, size,
+ dma_handle, flags);
+
+ /* Shift to the device's base physical address of host memory */
+ if (kernel_addr)
+ *dma_handle += HOST_PHYS_BASE;
+
+ return kernel_addr;
}
static void goya_dma_free_coherent(struct hl_device *hdev, size_t size,
void *cpu_addr, dma_addr_t dma_handle)
{
- dma_free_coherent(&hdev->pdev->dev, size, cpu_addr, dma_handle);
+ /* Cancel the device's base physical address of host memory */
+ dma_addr_t fixed_dma_handle = dma_handle - HOST_PHYS_BASE;
+
+ dma_free_coherent(&hdev->pdev->dev, size, cpu_addr, fixed_dma_handle);
}
void *goya_get_int_queue_base(struct hl_device *hdev, u32 queue_id,
@@ -2848,8 +2851,7 @@ static int goya_send_job_on_qman0(struct hl_device *hdev, struct hl_cs_job *job)
(1 << GOYA_PKT_CTL_MB_SHIFT);
fence_pkt->ctl = cpu_to_le32(tmp);
fence_pkt->value = cpu_to_le32(GOYA_QMAN0_FENCE_VAL);
- fence_pkt->addr = cpu_to_le64(fence_dma_addr +
- hdev->asic_prop.host_phys_base_address);
+ fence_pkt->addr = cpu_to_le64(fence_dma_addr);
rc = hl_hw_queue_send_cb_no_cmpl(hdev, GOYA_QUEUE_ID_DMA_0,
job->job_cb_size, cb->bus_address);
@@ -2928,8 +2930,7 @@ int goya_test_queue(struct hl_device *hdev, u32 hw_queue_id)
(1 << GOYA_PKT_CTL_MB_SHIFT);
fence_pkt->ctl = cpu_to_le32(tmp);
fence_pkt->value = cpu_to_le32(fence_val);
- fence_pkt->addr = cpu_to_le64(fence_dma_addr +
- hdev->asic_prop.host_phys_base_address);
+ fence_pkt->addr = cpu_to_le64(fence_dma_addr);
rc = hl_hw_queue_send_cb_no_cmpl(hdev, hw_queue_id,
sizeof(struct packet_msg_prot),
@@ -3001,16 +3002,27 @@ int goya_test_queues(struct hl_device *hdev)
static void *goya_dma_pool_zalloc(struct hl_device *hdev, size_t size,
gfp_t mem_flags, dma_addr_t *dma_handle)
{
+ void *kernel_addr;
+
if (size > GOYA_DMA_POOL_BLK_SIZE)
return NULL;
- return dma_pool_zalloc(hdev->dma_pool, mem_flags, dma_handle);
+ kernel_addr = dma_pool_zalloc(hdev->dma_pool, mem_flags, dma_handle);
+
+ /* Shift to the device's base physical address of host memory */
+ if (kernel_addr)
+ *dma_handle += HOST_PHYS_BASE;
+
+ return kernel_addr;
}
static void goya_dma_pool_free(struct hl_device *hdev, void *vaddr,
dma_addr_t dma_addr)
{
- dma_pool_free(hdev->dma_pool, vaddr, dma_addr);
+ /* Cancel the device's base physical address of host memory */
+ dma_addr_t fixed_dma_addr = dma_addr - HOST_PHYS_BASE;
+
+ dma_pool_free(hdev->dma_pool, vaddr, fixed_dma_addr);
}
void *goya_cpu_accessible_dma_pool_alloc(struct hl_device *hdev, size_t size,
@@ -3025,19 +3037,33 @@ void goya_cpu_accessible_dma_pool_free(struct hl_device *hdev, size_t size,
hl_fw_cpu_accessible_dma_pool_free(hdev, size, vaddr);
}
-static int goya_dma_map_sg(struct hl_device *hdev, struct scatterlist *sg,
+static int goya_dma_map_sg(struct hl_device *hdev, struct scatterlist *sgl,
int nents, enum dma_data_direction dir)
{
- if (!dma_map_sg(&hdev->pdev->dev, sg, nents, dir))
+ struct scatterlist *sg;
+ int i;
+
+ if (!dma_map_sg(&hdev->pdev->dev, sgl, nents, dir))
return -ENOMEM;
+ /* Shift to the device's base physical address of host memory */
+ for_each_sg(sgl, sg, nents, i)
+ sg->dma_address += HOST_PHYS_BASE;
+
return 0;
}
-static void goya_dma_unmap_sg(struct hl_device *hdev, struct scatterlist *sg,
+static void goya_dma_unmap_sg(struct hl_device *hdev, struct scatterlist *sgl,
int nents, enum dma_data_direction dir)
{
- dma_unmap_sg(&hdev->pdev->dev, sg, nents, dir);
+ struct scatterlist *sg;
+ int i;
+
+ /* Cancel the device's base physical address of host memory */
+ for_each_sg(sgl, sg, nents, i)
+ sg->dma_address -= HOST_PHYS_BASE;
+
+ dma_unmap_sg(&hdev->pdev->dev, sgl, nents, dir);
}
u32 goya_get_dma_desc_list_size(struct hl_device *hdev, struct sg_table *sgt)
@@ -3589,8 +3615,6 @@ static int goya_patch_dma_packet(struct hl_device *hdev,
new_dma_pkt->ctl = cpu_to_le32(ctl);
new_dma_pkt->tsize = cpu_to_le32((u32) len);
- dma_addr += hdev->asic_prop.host_phys_base_address;
-
if (dir == DMA_TO_DEVICE) {
new_dma_pkt->src_addr = cpu_to_le64(dma_addr);
new_dma_pkt->dst_addr = cpu_to_le64(device_memory_addr);
diff --git a/drivers/misc/habanalabs/habanalabs.h b/drivers/misc/habanalabs/habanalabs.h
index b64594be6dbd..f08f71982585 100644
--- a/drivers/misc/habanalabs/habanalabs.h
+++ b/drivers/misc/habanalabs/habanalabs.h
@@ -135,8 +135,6 @@ enum hl_device_hw_state {
* @dram_user_base_address: DRAM physical start address for user access.
* @dram_size: DRAM total size.
* @dram_pci_bar_size: size of PCI bar towards DRAM.
- * @host_phys_base_address: base physical address of host memory for
- * transactions that the device generates.
* @max_power_default: max power of the device after reset
* @va_space_host_start_address: base address of virtual memory range for
* mapping host memory.
@@ -184,7 +182,6 @@ struct asic_fixed_properties {
u64 dram_user_base_address;
u64 dram_size;
u64 dram_pci_bar_size;
- u64 host_phys_base_address;
u64 max_power_default;
u64 va_space_host_start_address;
u64 va_space_host_end_address;
@@ -537,11 +534,11 @@ struct hl_asic_funcs {
void (*cpu_accessible_dma_pool_free)(struct hl_device *hdev,
size_t size, void *vaddr);
void (*hl_dma_unmap_sg)(struct hl_device *hdev,
- struct scatterlist *sg, int nents,
+ struct scatterlist *sgl, int nents,
enum dma_data_direction dir);
int (*cs_parser)(struct hl_device *hdev, struct hl_cs_parser *parser);
int (*asic_dma_map_sg)(struct hl_device *hdev,
- struct scatterlist *sg, int nents,
+ struct scatterlist *sgl, int nents,
enum dma_data_direction dir);
u32 (*get_dma_desc_list_size)(struct hl_device *hdev,
struct sg_table *sgt);
@@ -1450,7 +1447,8 @@ int hl_pci_iatu_write(struct hl_device *hdev, u32 addr, u32 data);
int hl_pci_set_dram_bar_base(struct hl_device *hdev, u8 inbound_region, u8 bar,
u64 addr);
int hl_pci_init_iatu(struct hl_device *hdev, u64 sram_base_address,
- u64 dram_base_address, u64 host_phys_size);
+ u64 dram_base_address, u64 host_phys_base_address,
+ u64 host_phys_size);
int hl_pci_init(struct hl_device *hdev, u8 dma_mask);
void hl_pci_fini(struct hl_device *hdev);
int hl_pci_set_dma_mask(struct hl_device *hdev, u8 dma_mask);
diff --git a/drivers/misc/habanalabs/hw_queue.c b/drivers/misc/habanalabs/hw_queue.c
index 6cdaa117fc40..2894d8975933 100644
--- a/drivers/misc/habanalabs/hw_queue.c
+++ b/drivers/misc/habanalabs/hw_queue.c
@@ -82,7 +82,7 @@ static void ext_queue_submit_bd(struct hl_device *hdev, struct hl_hw_queue *q,
bd += hl_pi_2_offset(q->pi);
bd->ctl = __cpu_to_le32(ctl);
bd->len = __cpu_to_le32(len);
- bd->ptr = __cpu_to_le64(ptr + hdev->asic_prop.host_phys_base_address);
+ bd->ptr = __cpu_to_le64(ptr);
q->pi = hl_queue_inc_ptr(q->pi);
hdev->asic_funcs->ring_doorbell(hdev, q->hw_queue_id, q->pi);
@@ -263,9 +263,7 @@ static void ext_hw_queue_schedule_job(struct hl_cs_job *job)
* checked in hl_queue_sanity_checks
*/
cq = &hdev->completion_queue[q->hw_queue_id];
- cq_addr = cq->bus_address +
- hdev->asic_prop.host_phys_base_address;
- cq_addr += cq->pi * sizeof(struct hl_cq_entry);
+ cq_addr = cq->bus_address + cq->pi * sizeof(struct hl_cq_entry);
hdev->asic_funcs->add_end_of_cb_packets(cb->kernel_address, len,
cq_addr,
diff --git a/drivers/misc/habanalabs/memory.c b/drivers/misc/habanalabs/memory.c
index 43ef3ad8438a..d67d24c13efd 100644
--- a/drivers/misc/habanalabs/memory.c
+++ b/drivers/misc/habanalabs/memory.c
@@ -759,10 +759,6 @@ static int map_phys_page_pack(struct hl_ctx *ctx, u64 vaddr,
for (i = 0 ; i < phys_pg_pack->npages ; i++) {
paddr = phys_pg_pack->pages[i];
- /* For accessing the host we need to turn on bit 39 */
- if (phys_pg_pack->created_from_userptr)
- paddr += hdev->asic_prop.host_phys_base_address;
-
rc = hl_mmu_map(ctx, next_vaddr, paddr, page_size);
if (rc) {
dev_err(hdev->dev,
diff --git a/drivers/misc/habanalabs/pci.c b/drivers/misc/habanalabs/pci.c
index 5278f086d65d..0e78a04d63f4 100644
--- a/drivers/misc/habanalabs/pci.c
+++ b/drivers/misc/habanalabs/pci.c
@@ -236,6 +236,8 @@ int hl_pci_set_dram_bar_base(struct hl_device *hdev, u8 inbound_region, u8 bar,
* @hdev: Pointer to hl_device structure.
* @sram_base_address: SRAM base address.
* @dram_base_address: DRAM base address.
+ * @host_phys_base_address: Base physical address of host memory for device
+ * transactions.
* @host_phys_size: Size of host memory for device transactions.
*
* This is needed in case the firmware doesn't initialize the iATU.
@@ -243,7 +245,8 @@ int hl_pci_set_dram_bar_base(struct hl_device *hdev, u8 inbound_region, u8 bar,
* Return: 0 on success, negative value for failure.
*/
int hl_pci_init_iatu(struct hl_device *hdev, u64 sram_base_address,
- u64 dram_base_address, u64 host_phys_size)
+ u64 dram_base_address, u64 host_phys_base_address,
+ u64 host_phys_size)
{
struct asic_fixed_properties *prop = &hdev->asic_prop;
u64 host_phys_end_addr;
@@ -265,11 +268,11 @@ int hl_pci_init_iatu(struct hl_device *hdev, u64 sram_base_address,
/* Outbound Region 0 - Point to Host */
- host_phys_end_addr = prop->host_phys_base_address + host_phys_size - 1;
+ host_phys_end_addr = host_phys_base_address + host_phys_size - 1;
rc |= hl_pci_iatu_write(hdev, 0x008,
- lower_32_bits(prop->host_phys_base_address));
+ lower_32_bits(host_phys_base_address));
rc |= hl_pci_iatu_write(hdev, 0x00C,
- upper_32_bits(prop->host_phys_base_address));
+ upper_32_bits(host_phys_base_address));
rc |= hl_pci_iatu_write(hdev, 0x010, lower_32_bits(host_phys_end_addr));
rc |= hl_pci_iatu_write(hdev, 0x014, 0);
rc |= hl_pci_iatu_write(hdev, 0x018, 0);